src/guiFormSpecMenu.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20
  21 #include <cstdlib>
  22 #include <algorithm>
  23 #include <iterator>
  24 #include <sstream>
  25 #include <limits>
  26 #include "guiFormSpecMenu.h"
  27 #include "guiTable.h"
  28 #include "constants.h"
  29 #include "gamedef.h"
  30 #include "keycode.h"
  31 #include "strfnd.h"
  32 #include <IGUICheckBox.h>
  33 #include <IGUIEditBox.h>
  34 #include <IGUIButton.h>
  35 #include <IGUIStaticText.h>
  36 #include <IGUIFont.h>
  37 #include <IGUITabControl.h>
  38 #include <IGUIComboBox.h>
  39 #include "log.h"
  40 #include "client/tile.h" // ITextureSource
  41 #include "hud.h" // drawItemStack
  42 #include "filesys.h"
  43 #include "gettime.h"
  44 #include "gettext.h"
  45 #include "scripting_game.h"
  46 #include "porting.h"
  47 #include "settings.h"
  48 #include "client.h"
  49 #include "fontengine.h"
  50 #include "util/hex.h"
  51 #include "util/numeric.h"
  52 #include "util/string.h" // for parseColorString()
  53 #include "guiscalingfilter.h"
  54
  55 #if USE_FREETYPE && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
  56 #include "intlGUIEditBox.h"
  57 #endif
  58
  59 #define MY_CHECKPOS(a,b)                                                                                                        \
  60         if (v_pos.size() != 2) {                                                                                                \
  61                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  62                         << parts[b] << "\"" << std::endl;                                                               \
  63                         return;                                                                                                                 \
  64         }
  65
  66 #define MY_CHECKGEOM(a,b)                                                                                                       \
  67         if (v_geom.size() != 2) {                                                                                               \
  68                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  69                         << parts[b] << "\"" << std::endl;                                                               \
  70                         return;                                                                                                                 \
  71         }
  72 /*
  73         GUIFormSpecMenu
  74 */
  75 static unsigned int font_line_height(gui::IGUIFont *font)
  76 {
  77         return font->getDimension(L"Ay").Height + font->getKerningHeight();
  78 }
  79
  80 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
  81                 gui::IGUIElement* parent, s32 id, IMenuManager *menumgr,
  82                 InventoryManager *invmgr, IGameDef *gamedef,
  83                 ISimpleTextureSource *tsrc, IFormSource* fsrc, TextDest* tdst,
  84                 Client* client, bool remap_dbl_click) :
  85         GUIModalMenu(dev->getGUIEnvironment(), parent, id, menumgr),
  86         m_device(dev),
  87         m_invmgr(invmgr),
  88         m_gamedef(gamedef),
  89         m_tsrc(tsrc),
  90         m_client(client),
  91         m_selected_item(NULL),
  92         m_selected_amount(0),
  93         m_selected_dragging(false),
  94         m_tooltip_element(NULL),
  95         m_hovered_time(0),
  96         m_old_tooltip_id(-1),
  97         m_rmouse_auto_place(false),
  98         m_allowclose(true),
  99         m_lock(false),
 100         m_form_src(fsrc),
 101         m_text_dst(tdst),
 102         m_formspec_version(0),
 103         m_focused_element(""),
 104         m_font(NULL),
 105         m_remap_dbl_click(remap_dbl_click)
 106 #ifdef __ANDROID__
 107         , m_JavaDialogFieldName("")
 108 #endif
 109 {
 110         current_keys_pending.key_down = false;
 111         current_keys_pending.key_up = false;
 112         current_keys_pending.key_enter = false;
 113         current_keys_pending.key_escape = false;
 114
 115         m_doubleclickdetect[0].time = 0;
 116         m_doubleclickdetect[1].time = 0;
 117
 118         m_doubleclickdetect[0].pos = v2s32(0, 0);
 119         m_doubleclickdetect[1].pos = v2s32(0, 0);
 120
 121         m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
 122 }
 123
 124 GUIFormSpecMenu::~GUIFormSpecMenu()
 125 {
 126         removeChildren();
 127
 128         for (u32 i = 0; i < m_tables.size(); ++i) {
 129                 GUITable *table = m_tables[i].second;
 130                 table->drop();
 131         }
 132
 133         delete m_selected_item;
 134
 135         if (m_form_src != NULL) {
 136                 delete m_form_src;
 137         }
 138         if (m_text_dst != NULL) {
 139                 delete m_text_dst;
 140         }
 141 }
 142
 143 void GUIFormSpecMenu::removeChildren()
 144 {
 145         const core::list<gui::IGUIElement*> &children = getChildren();
 146
 147         while(!children.empty()) {
 148                 (*children.getLast())->remove();
 149         }
 150
 151         if(m_tooltip_element) {
 152                 m_tooltip_element->remove();
 153                 m_tooltip_element->drop();
 154                 m_tooltip_element = NULL;
 155         }
 156
 157 }
 158
 159 void GUIFormSpecMenu::setInitialFocus()
 160 {
 161         // Set initial focus according to following order of precedence:
 162         // 1. first empty editbox
 163         // 2. first editbox
 164         // 3. first table
 165         // 4. last button
 166         // 5. first focusable (not statictext, not tabheader)
 167         // 6. first child element
 168
 169         core::list<gui::IGUIElement*> children = getChildren();
 170
 171         // in case "children" contains any NULL elements, remove them
 172         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 173                         it != children.end();) {
 174                 if (*it)
 175                         ++it;
 176                 else
 177                         it = children.erase(it);
 178         }
 179
 180         // 1. first empty editbox
 181         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 182                         it != children.end(); ++it) {
 183                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
 184                                 && (*it)->getText()[0] == 0) {
 185                         Environment->setFocus(*it);
 186                         return;
 187                 }
 188         }
 189
 190         // 2. first editbox
 191         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 192                         it != children.end(); ++it) {
 193                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
 194                         Environment->setFocus(*it);
 195                         return;
 196                 }
 197         }
 198
 199         // 3. first table
 200         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 201                         it != children.end(); ++it) {
 202                 if ((*it)->getTypeName() == std::string("GUITable")) {
 203                         Environment->setFocus(*it);
 204                         return;
 205                 }
 206         }
 207
 208         // 4. last button
 209         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
 210                         it != children.end(); --it) {
 211                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
 212                         Environment->setFocus(*it);
 213                         return;
 214                 }
 215         }
 216
 217         // 5. first focusable (not statictext, not tabheader)
 218         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 219                         it != children.end(); ++it) {
 220                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
 221                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
 222                         Environment->setFocus(*it);
 223                         return;
 224                 }
 225         }
 226
 227         // 6. first child element
 228         if (children.empty())
 229                 Environment->setFocus(this);
 230         else
 231                 Environment->setFocus(*(children.begin()));
 232 }
 233
 234 GUITable* GUIFormSpecMenu::getTable(const std::string &tablename)
 235 {
 236         for (u32 i = 0; i < m_tables.size(); ++i) {
 237                 if (tablename == m_tables[i].first.fname)
 238                         return m_tables[i].second;
 239         }
 240         return 0;
 241 }
 242
 243 static std::vector<std::string> split(const std::string &s, char delim)
 244 {
 245         std::vector<std::string> tokens;
 246
 247         std::string current = "";
 248         bool last_was_escape = false;
 249         for (unsigned int i = 0; i < s.size(); i++) {
 250                 char si = s.c_str()[i];
 251                 if (last_was_escape) {
 252                         current += '\\';
 253                         current += si;
 254                         last_was_escape = false;
 255                 } else {
 256                         if (si == delim) {
 257                                 tokens.push_back(current);
 258                                 current = "";
 259                                 last_was_escape = false;
 260                         } else if (si == '\\') {
 261                                 last_was_escape = true;
 262                         } else {
 263                                 current += si;
 264                                 last_was_escape = false;
 265                         }
 266                 }
 267         }
 268         //push last element
 269         tokens.push_back(current);
 270
 271         return tokens;
 272 }
 273
 274 void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
 275 {
 276         std::vector<std::string> parts = split(element,',');
 277
 278         if (((parts.size() == 2) || parts.size() == 3) ||
 279                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 280         {
 281                 if (parts[1].find(';') != std::string::npos)
 282                         parts[1] = parts[1].substr(0,parts[1].find(';'));
 283
 284                 data->invsize.X = MYMAX(0, stof(parts[0]));
 285                 data->invsize.Y = MYMAX(0, stof(parts[1]));
 286
 287                 lockSize(false);
 288                 if (parts.size() == 3) {
 289                         if (parts[2] == "true") {
 290                                 lockSize(true,v2u32(800,600));
 291                         }
 292                 }
 293
 294                 data->explicit_size = true;
 295                 return;
 296         }
 297         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
 298 }
 299
 300 void GUIFormSpecMenu::parseList(parserData* data,std::string element)
 301 {
 302         if (m_gamedef == 0) {
 303                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
 304                 return;
 305         }
 306
 307         std::vector<std::string> parts = split(element,';');
 308
 309         if (((parts.size() == 4) || (parts.size() == 5)) ||
 310                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 311         {
 312                 std::string location = parts[0];
 313                 std::string listname = parts[1];
 314                 std::vector<std::string> v_pos  = split(parts[2],',');
 315                 std::vector<std::string> v_geom = split(parts[3],',');
 316                 std::string startindex = "";
 317                 if (parts.size() == 5)
 318                         startindex = parts[4];
 319
 320                 MY_CHECKPOS("list",2);
 321                 MY_CHECKGEOM("list",3);
 322
 323                 InventoryLocation loc;
 324
 325                 if(location == "context" || location == "current_name")
 326                         loc = m_current_inventory_location;
 327                 else
 328                         loc.deSerialize(location);
 329
 330                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 331                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 332                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 333
 334                 v2s32 geom;
 335                 geom.X = stoi(v_geom[0]);
 336                 geom.Y = stoi(v_geom[1]);
 337
 338                 s32 start_i = 0;
 339                 if(startindex != "")
 340                         start_i = stoi(startindex);
 341
 342                 if (geom.X < 0 || geom.Y < 0 || start_i < 0) {
 343                         errorstream<< "Invalid list element: '" << element << "'"  << std::endl;
 344                         return;
 345                 }
 346
 347                 if(!data->explicit_size)
 348                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 349                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 350                 return;
 351         }
 352         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
 353 }
 354
 355 void GUIFormSpecMenu::parseListRing(parserData* data, std::string element)
 356 {
 357         if (m_gamedef == 0) {
 358                 errorstream << "WARNING: invalid use of 'listring' with m_gamedef==0" << std::endl;
 359                 return;
 360         }
 361
 362         std::vector<std::string> parts = split(element, ';');
 363
 364         if (parts.size() == 2) {
 365                 std::string location = parts[0];
 366                 std::string listname = parts[1];
 367
 368                 InventoryLocation loc;
 369
 370                 if (location == "context" || location == "current_name")
 371                         loc = m_current_inventory_location;
 372                 else
 373                         loc.deSerialize(location);
 374
 375                 m_inventory_rings.push_back(ListRingSpec(loc, listname));
 376                 return;
 377         } else if ((element == "") && (m_inventorylists.size() > 1)) {
 378                 size_t siz = m_inventorylists.size();
 379                 // insert the last two inv list elements into the list ring
 380                 const ListDrawSpec &spa = m_inventorylists[siz - 2];
 381                 const ListDrawSpec &spb = m_inventorylists[siz - 1];
 382                 m_inventory_rings.push_back(ListRingSpec(spa.inventoryloc, spa.listname));
 383                 m_inventory_rings.push_back(ListRingSpec(spb.inventoryloc, spb.listname));
 384                 return;
 385         }
 386         errorstream<< "Invalid list ring element(" << parts.size() << ", "
 387                 << m_inventorylists.size() << "): '" << element << "'"  << std::endl;
 388 }
 389
 390 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 391 {
 392         std::vector<std::string> parts = split(element,';');
 393
 394         if (((parts.size() >= 3) && (parts.size() <= 4)) ||
 395                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 396         {
 397                 std::vector<std::string> v_pos = split(parts[0],',');
 398                 std::string name = parts[1];
 399                 std::string label = parts[2];
 400                 std::string selected = "";
 401
 402                 if (parts.size() >= 4)
 403                         selected = parts[3];
 404
 405                 MY_CHECKPOS("checkbox",0);
 406
 407                 v2s32 pos = padding;
 408                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 409                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 410
 411                 bool fselected = false;
 412
 413                 if (selected == "true")
 414                         fselected = true;
 415
 416                 std::wstring wlabel = utf8_to_wide(label);
 417
 418                 core::rect<s32> rect = core::rect<s32>(
 419                                 pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
 420                                 pos.X + m_font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
 421                                 pos.Y + ((imgsize.Y/2) + m_btn_height));
 422
 423                 FieldSpec spec(
 424                                 name,
 425                                 wlabel, //Needed for displaying text on MSVC
 426                                 wlabel,
 427                                 258+m_fields.size()
 428                         );
 429
 430                 spec.ftype = f_CheckBox;
 431
 432                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
 433                                         spec.fid, spec.flabel.c_str());
 434
 435                 if (spec.fname == data->focused_fieldname) {
 436                         Environment->setFocus(e);
 437                 }
 438
 439                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
 440                 m_fields.push_back(spec);
 441                 return;
 442         }
 443         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 444 }
 445
 446 void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
 447 {
 448         std::vector<std::string> parts = split(element,';');
 449
 450         if (parts.size() >= 5) {
 451                 std::vector<std::string> v_pos = split(parts[0],',');
 452                 std::vector<std::string> v_dim = split(parts[1],',');
 453                 std::string name = parts[2];
 454                 std::string value = parts[4];
 455
 456                 MY_CHECKPOS("scrollbar",0);
 457
 458                 v2s32 pos = padding;
 459                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 460                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 461
 462                 if (v_dim.size() != 2) {
 463                         errorstream<< "Invalid size for element " << "scrollbar"
 464                                 << "specified: \"" << parts[1] << "\"" << std::endl;
 465                         return;
 466                 }
 467
 468                 v2s32 dim;
 469                 dim.X = stof(v_dim[0]) * (float) spacing.X;
 470                 dim.Y = stof(v_dim[1]) * (float) spacing.Y;
 471
 472                 core::rect<s32> rect =
 473                                 core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
 474
 475                 FieldSpec spec(
 476                                 name,
 477                                 L"",
 478                                 L"",
 479                                 258+m_fields.size()
 480                         );
 481
 482                 bool is_horizontal = true;
 483
 484                 if (parts[2] == "vertical")
 485                         is_horizontal = false;
 486
 487                 spec.ftype = f_ScrollBar;
 488                 spec.send  = true;
 489                 gui::IGUIScrollBar* e =
 490                                 Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
 491
 492                 e->setMax(1000);
 493                 e->setMin(0);
 494                 e->setPos(stoi(parts[4]));
 495                 e->setSmallStep(10);
 496                 e->setLargeStep(100);
 497
 498                 m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
 499                 m_fields.push_back(spec);
 500                 return;
 501         }
 502         errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
 503 }
 504
 505 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
 506 {
 507         std::vector<std::string> parts = split(element,';');
 508
 509         if ((parts.size() == 3) ||
 510                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 511         {
 512                 std::vector<std::string> v_pos = split(parts[0],',');
 513                 std::vector<std::string> v_geom = split(parts[1],',');
 514                 std::string name = unescape_string(parts[2]);
 515
 516                 MY_CHECKPOS("image",0);
 517                 MY_CHECKGEOM("image",1);
 518
 519                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 520                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 521                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 522
 523                 v2s32 geom;
 524                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 525                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 526
 527                 if(!data->explicit_size)
 528                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 529                 m_images.push_back(ImageDrawSpec(name, pos, geom));
 530                 return;
 531         }
 532
 533         if (parts.size() == 2) {
 534                 std::vector<std::string> v_pos = split(parts[0],',');
 535                 std::string name = unescape_string(parts[1]);
 536
 537                 MY_CHECKPOS("image",0);
 538
 539                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 540                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 541                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 542
 543                 if(!data->explicit_size)
 544                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 545                 m_images.push_back(ImageDrawSpec(name, pos));
 546                 return;
 547         }
 548         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
 549 }
 550
 551 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
 552 {
 553         std::vector<std::string> parts = split(element,';');
 554
 555         if ((parts.size() == 3) ||
 556                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 557         {
 558                 std::vector<std::string> v_pos = split(parts[0],',');
 559                 std::vector<std::string> v_geom = split(parts[1],',');
 560                 std::string name = parts[2];
 561
 562                 MY_CHECKPOS("itemimage",0);
 563                 MY_CHECKGEOM("itemimage",1);
 564
 565                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 566                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 567                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 568
 569                 v2s32 geom;
 570                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 571                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 572
 573                 if(!data->explicit_size)
 574                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 575                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 576                 return;
 577         }
 578         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
 579 }
 580
 581 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 582                 std::string type)
 583 {
 584         std::vector<std::string> parts = split(element,';');
 585
 586         if ((parts.size() == 4) ||
 587                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 588         {
 589                 std::vector<std::string> v_pos = split(parts[0],',');
 590                 std::vector<std::string> v_geom = split(parts[1],',');
 591                 std::string name = parts[2];
 592                 std::string label = parts[3];
 593
 594                 MY_CHECKPOS("button",0);
 595                 MY_CHECKGEOM("button",1);
 596
 597                 v2s32 pos = padding;
 598                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 599                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 600
 601                 v2s32 geom;
 602                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 603                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 604
 605                 core::rect<s32> rect =
 606                                 core::rect<s32>(pos.X, pos.Y - m_btn_height,
 607                                                 pos.X + geom.X, pos.Y + m_btn_height);
 608
 609                 if(!data->explicit_size)
 610                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 611
 612                 label = unescape_string(label);
 613
 614                 std::wstring wlabel = utf8_to_wide(label);
 615
 616                 FieldSpec spec(
 617                         name,
 618                         wlabel,
 619                         L"",
 620                         258+m_fields.size()
 621                 );
 622                 spec.ftype = f_Button;
 623                 if(type == "button_exit")
 624                         spec.is_exit = true;
 625                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
 626                                 spec.flabel.c_str());
 627
 628                 if (spec.fname == data->focused_fieldname) {
 629                         Environment->setFocus(e);
 630                 }
 631
 632                 m_fields.push_back(spec);
 633                 return;
 634         }
 635         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
 636 }
 637
 638 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
 639 {
 640         std::vector<std::string> parts = split(element,';');
 641
 642         if (((parts.size() == 3) || (parts.size() == 4)) ||
 643                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 644         {
 645                 std::vector<std::string> v_pos = split(parts[0],',');
 646                 std::vector<std::string> v_geom = split(parts[1],',');
 647                 std::string name = unescape_string(parts[2]);
 648
 649                 MY_CHECKPOS("background",0);
 650                 MY_CHECKGEOM("background",1);
 651
 652                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 653                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 654                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 655
 656                 v2s32 geom;
 657                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 658                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 659
 660                 if (parts.size() == 4) {
 661                         m_clipbackground = is_yes(parts[3]);
 662                         if (m_clipbackground) {
 663                                 pos.X = stoi(v_pos[0]); //acts as offset
 664                                 pos.Y = stoi(v_pos[1]); //acts as offset
 665                         }
 666                 }
 667
 668                 if(!data->explicit_size)
 669                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 670                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 671                 return;
 672         }
 673         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
 674 }
 675
 676 void GUIFormSpecMenu::parseTableOptions(parserData* data,std::string element)
 677 {
 678         std::vector<std::string> parts = split(element,';');
 679
 680         data->table_options.clear();
 681         for (size_t i = 0; i < parts.size(); ++i) {
 682                 // Parse table option
 683                 std::string opt = unescape_string(parts[i]);
 684                 data->table_options.push_back(GUITable::splitOption(opt));
 685         }
 686 }
 687
 688 void GUIFormSpecMenu::parseTableColumns(parserData* data,std::string element)
 689 {
 690         std::vector<std::string> parts = split(element,';');
 691
 692         data->table_columns.clear();
 693         for (size_t i = 0; i < parts.size(); ++i) {
 694                 std::vector<std::string> col_parts = split(parts[i],',');
 695                 GUITable::TableColumn column;
 696                 // Parse column type
 697                 if (!col_parts.empty())
 698                         column.type = col_parts[0];
 699                 // Parse column options
 700                 for (size_t j = 1; j < col_parts.size(); ++j) {
 701                         std::string opt = unescape_string(col_parts[j]);
 702                         column.options.push_back(GUITable::splitOption(opt));
 703                 }
 704                 data->table_columns.push_back(column);
 705         }
 706 }
 707
 708 void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 709 {
 710         std::vector<std::string> parts = split(element,';');
 711
 712         if (((parts.size() == 4) || (parts.size() == 5)) ||
 713                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 714         {
 715                 std::vector<std::string> v_pos = split(parts[0],',');
 716                 std::vector<std::string> v_geom = split(parts[1],',');
 717                 std::string name = parts[2];
 718                 std::vector<std::string> items = split(parts[3],',');
 719                 std::string str_initial_selection = "";
 720                 std::string str_transparent = "false";
 721
 722                 if (parts.size() >= 5)
 723                         str_initial_selection = parts[4];
 724
 725                 MY_CHECKPOS("table",0);
 726                 MY_CHECKGEOM("table",1);
 727
 728                 v2s32 pos = padding;
 729                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 730                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 731
 732                 v2s32 geom;
 733                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 734                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 735
 736
 737                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 738
 739                 FieldSpec spec(
 740                         name,
 741                         L"",
 742                         L"",
 743                         258+m_fields.size()
 744                 );
 745
 746                 spec.ftype = f_Table;
 747
 748                 for (unsigned int i = 0; i < items.size(); ++i) {
 749                         items[i] = unescape_string(items[i]);
 750                 }
 751
 752                 //now really show table
 753                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 754                                 m_tsrc);
 755
 756                 if (spec.fname == data->focused_fieldname) {
 757                         Environment->setFocus(e);
 758                 }
 759
 760                 e->setTable(data->table_options, data->table_columns, items);
 761
 762                 if (data->table_dyndata.find(name) != data->table_dyndata.end()) {
 763                         e->setDynamicData(data->table_dyndata[name]);
 764                 }
 765
 766                 if ((str_initial_selection != "") &&
 767                                 (str_initial_selection != "0"))
 768                         e->setSelected(stoi(str_initial_selection.c_str()));
 769
 770                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 771                 m_fields.push_back(spec);
 772                 return;
 773         }
 774         errorstream<< "Invalid table element(" << parts.size() << "): '" << element << "'"  << std::endl;
 775 }
 776
 777 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 778 {
 779         std::vector<std::string> parts = split(element,';');
 780
 781         if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
 782                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
 783         {
 784                 std::vector<std::string> v_pos = split(parts[0],',');
 785                 std::vector<std::string> v_geom = split(parts[1],',');
 786                 std::string name = parts[2];
 787                 std::vector<std::string> items = split(parts[3],',');
 788                 std::string str_initial_selection = "";
 789                 std::string str_transparent = "false";
 790
 791                 if (parts.size() >= 5)
 792                         str_initial_selection = parts[4];
 793
 794                 if (parts.size() >= 6)
 795                         str_transparent = parts[5];
 796
 797                 MY_CHECKPOS("textlist",0);
 798                 MY_CHECKGEOM("textlist",1);
 799
 800                 v2s32 pos = padding;
 801                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 802                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 803
 804                 v2s32 geom;
 805                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 806                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 807
 808
 809                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 810
 811                 FieldSpec spec(
 812                         name,
 813                         L"",
 814                         L"",
 815                         258+m_fields.size()
 816                 );
 817
 818                 spec.ftype = f_Table;
 819
 820                 for (unsigned int i = 0; i < items.size(); ++i) {
 821                         items[i] = unescape_string(items[i]);
 822                 }
 823
 824                 //now really show list
 825                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 826                                 m_tsrc);
 827
 828                 if (spec.fname == data->focused_fieldname) {
 829                         Environment->setFocus(e);
 830                 }
 831
 832                 e->setTextList(items, is_yes(str_transparent));
 833
 834                 if (data->table_dyndata.find(name) != data->table_dyndata.end()) {
 835                         e->setDynamicData(data->table_dyndata[name]);
 836                 }
 837
 838                 if ((str_initial_selection != "") &&
 839                                 (str_initial_selection != "0"))
 840                         e->setSelected(stoi(str_initial_selection.c_str()));
 841
 842                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 843                 m_fields.push_back(spec);
 844                 return;
 845         }
 846         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
 847 }
 848
 849
 850 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 851 {
 852         std::vector<std::string> parts = split(element,';');
 853
 854         if ((parts.size() == 5) ||
 855                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 856         {
 857                 std::vector<std::string> v_pos = split(parts[0],',');
 858                 std::string name = parts[2];
 859                 std::vector<std::string> items = split(parts[3],',');
 860                 std::string str_initial_selection = "";
 861                 str_initial_selection = parts[4];
 862
 863                 MY_CHECKPOS("dropdown",0);
 864
 865                 v2s32 pos = padding;
 866                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 867                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 868
 869                 s32 width = stof(parts[1]) * (float)spacing.Y;
 870
 871                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
 872                                 pos.X + width, pos.Y + (m_btn_height * 2));
 873
 874                 FieldSpec spec(
 875                         name,
 876                         L"",
 877                         L"",
 878                         258+m_fields.size()
 879                 );
 880
 881                 spec.ftype = f_DropDown;
 882                 spec.send = true;
 883
 884                 //now really show list
 885                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
 886
 887                 if (spec.fname == data->focused_fieldname) {
 888                         Environment->setFocus(e);
 889                 }
 890
 891                 for (unsigned int i=0; i < items.size(); i++) {
 892                         e->addItem(utf8_to_wide(items[i]).c_str());
 893                 }
 894
 895                 if (str_initial_selection != "")
 896                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 897
 898                 m_fields.push_back(spec);
 899                 return;
 900         }
 901         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
 902                                 << element << "'"  << std::endl;
 903 }
 904
 905 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 906 {
 907         std::vector<std::string> parts = split(element,';');
 908
 909         if ((parts.size() == 4) ||
 910                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 911         {
 912                 std::vector<std::string> v_pos = split(parts[0],',');
 913                 std::vector<std::string> v_geom = split(parts[1],',');
 914                 std::string name = parts[2];
 915                 std::string label = parts[3];
 916
 917                 MY_CHECKPOS("pwdfield",0);
 918                 MY_CHECKGEOM("pwdfield",1);
 919
 920                 v2s32 pos;
 921                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 922                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 923
 924                 v2s32 geom;
 925                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 926
 927                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 928                 pos.Y -= m_btn_height;
 929                 geom.Y = m_btn_height*2;
 930
 931                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 932
 933                 label = unescape_string(label);
 934
 935                 std::wstring wlabel = utf8_to_wide(label);
 936
 937                 FieldSpec spec(
 938                         name,
 939                         wlabel,
 940                         L"",
 941                         258+m_fields.size()
 942                         );
 943
 944                 spec.send = true;
 945                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
 946
 947                 if (spec.fname == data->focused_fieldname) {
 948                         Environment->setFocus(e);
 949                 }
 950
 951                 if (label.length() >= 1)
 952                 {
 953                         int font_height = g_fontengine->getTextHeight();
 954                         rect.UpperLeftCorner.Y -= font_height;
 955                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + font_height;
 956                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
 957                 }
 958
 959                 e->setPasswordBox(true,L'*');
 960
 961                 irr::SEvent evt;
 962                 evt.EventType            = EET_KEY_INPUT_EVENT;
 963                 evt.KeyInput.Key         = KEY_END;
 964                 evt.KeyInput.Char        = 0;
 965                 evt.KeyInput.Control     = 0;
 966                 evt.KeyInput.Shift       = 0;
 967                 evt.KeyInput.PressedDown = true;
 968                 e->OnEvent(evt);
 969                 m_fields.push_back(spec);
 970                 return;
 971         }
 972         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
 973 }
 974
 975 void GUIFormSpecMenu::parseSimpleField(parserData* data,
 976                 std::vector<std::string> &parts)
 977 {
 978         std::string name = parts[0];
 979         std::string label = parts[1];
 980         std::string default_val = parts[2];
 981
 982         core::rect<s32> rect;
 983
 984         if(data->explicit_size)
 985                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
 986
 987         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 988         pos.Y = ((m_fields.size()+2)*60);
 989         v2s32 size = DesiredRect.getSize();
 990
 991         rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
 992                         (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
 993
 994
 995         if(m_form_src)
 996                 default_val = m_form_src->resolveText(default_val);
 997
 998         default_val = unescape_string(default_val);
 999         label = unescape_string(label);
1000
1001         std::wstring wlabel = utf8_to_wide(label);
1002
1003         FieldSpec spec(
1004                 name,
1005                 wlabel,
1006                 utf8_to_wide(default_val),
1007                 258+m_fields.size()
1008         );
1009
1010         if (name == "")
1011         {
1012                 // spec field id to 0, this stops submit searching for a value that isn't there
1013                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1014         }
1015         else
1016         {
1017                 spec.send = true;
1018                 gui::IGUIElement *e;
1019 #if USE_FREETYPE && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
1020                 if (g_settings->getBool("freetype")) {
1021                         e = (gui::IGUIElement *) new gui::intlGUIEditBox(spec.fdefault.c_str(),
1022                                 true, Environment, this, spec.fid, rect);
1023                 } else {
1024 #else
1025                 {
1026 #endif
1027                         e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1028                 }
1029                 if (spec.fname == data->focused_fieldname) {
1030                         Environment->setFocus(e);
1031                 }
1032
1033                 irr::SEvent evt;
1034                 evt.EventType            = EET_KEY_INPUT_EVENT;
1035                 evt.KeyInput.Key         = KEY_END;
1036                 evt.KeyInput.Char        = 0;
1037                 evt.KeyInput.Control     = 0;
1038                 evt.KeyInput.Shift       = 0;
1039                 evt.KeyInput.PressedDown = true;
1040                 e->OnEvent(evt);
1041
1042                 if (label.length() >= 1)
1043                 {
1044                         int font_height = g_fontengine->getTextHeight();
1045                         rect.UpperLeftCorner.Y -= font_height;
1046                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + font_height;
1047                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1048                 }
1049         }
1050
1051         m_fields.push_back(spec);
1052 }
1053
1054 void GUIFormSpecMenu::parseTextArea(parserData* data,
1055                 std::vector<std::string>& parts,std::string type)
1056 {
1057
1058         std::vector<std::string> v_pos = split(parts[0],',');
1059         std::vector<std::string> v_geom = split(parts[1],',');
1060         std::string name = parts[2];
1061         std::string label = parts[3];
1062         std::string default_val = parts[4];
1063
1064         MY_CHECKPOS(type,0);
1065         MY_CHECKGEOM(type,1);
1066
1067         v2s32 pos;
1068         pos.X = stof(v_pos[0]) * (float) spacing.X;
1069         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
1070
1071         v2s32 geom;
1072
1073         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1074
1075         if (type == "textarea")
1076         {
1077                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
1078                 pos.Y += m_btn_height;
1079         }
1080         else
1081         {
1082                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
1083                 pos.Y -= m_btn_height;
1084                 geom.Y = m_btn_height*2;
1085         }
1086
1087         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1088
1089         if(!data->explicit_size)
1090                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
1091
1092         if(m_form_src)
1093                 default_val = m_form_src->resolveText(default_val);
1094
1095
1096         default_val = unescape_string(default_val);
1097         label = unescape_string(label);
1098
1099         std::wstring wlabel = utf8_to_wide(label);
1100
1101         FieldSpec spec(
1102                 name,
1103                 wlabel,
1104                 utf8_to_wide(default_val),
1105                 258+m_fields.size()
1106         );
1107
1108         if (name == "")
1109         {
1110                 // spec field id to 0, this stops submit searching for a value that isn't there
1111                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1112         }
1113         else
1114         {
1115                 spec.send = true;
1116
1117                 gui::IGUIEditBox *e;
1118 #if USE_FREETYPE && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
1119                 if (g_settings->getBool("freetype")) {
1120                         e = (gui::IGUIEditBox *) new gui::intlGUIEditBox(spec.fdefault.c_str(),
1121                                 true, Environment, this, spec.fid, rect);
1122                 } else {
1123 #else
1124                 {
1125 #endif
1126                         e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1127                 }
1128
1129                 if (spec.fname == data->focused_fieldname) {
1130                         Environment->setFocus(e);
1131                 }
1132
1133                 if (type == "textarea")
1134                 {
1135                         e->setMultiLine(true);
1136                         e->setWordWrap(true);
1137                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1138                 } else {
1139                         irr::SEvent evt;
1140                         evt.EventType            = EET_KEY_INPUT_EVENT;
1141                         evt.KeyInput.Key         = KEY_END;
1142                         evt.KeyInput.Char        = 0;
1143                         evt.KeyInput.Control     = 0;
1144                         evt.KeyInput.Shift       = 0;
1145                         evt.KeyInput.PressedDown = true;
1146                         e->OnEvent(evt);
1147                 }
1148
1149                 if (label.length() >= 1)
1150                 {
1151                         int font_height = g_fontengine->getTextHeight();
1152                         rect.UpperLeftCorner.Y -= font_height;
1153                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + font_height;
1154                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1155                 }
1156         }
1157         m_fields.push_back(spec);
1158 }
1159
1160 void GUIFormSpecMenu::parseField(parserData* data,std::string element,
1161                 std::string type)
1162 {
1163         std::vector<std::string> parts = split(element,';');
1164
1165         if (parts.size() == 3 || parts.size() == 4) {
1166                 parseSimpleField(data,parts);
1167                 return;
1168         }
1169
1170         if ((parts.size() == 5) ||
1171                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1172         {
1173                 parseTextArea(data,parts,type);
1174                 return;
1175         }
1176         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1177 }
1178
1179 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
1180 {
1181         std::vector<std::string> parts = split(element,';');
1182
1183         if ((parts.size() == 2) ||
1184                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1185         {
1186                 std::vector<std::string> v_pos = split(parts[0],',');
1187                 std::string text = parts[1];
1188
1189                 MY_CHECKPOS("label",0);
1190
1191                 v2s32 pos = padding;
1192                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1193                 pos.Y += (stof(v_pos[1]) + 7.0/30.0) * (float)spacing.Y;
1194
1195                 if(!data->explicit_size)
1196                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1197
1198                 text = unescape_string(text);
1199                 std::vector<std::string> lines = split(text, '\n');
1200
1201                 for (unsigned int i = 0; i != lines.size(); i++) {
1202                         // Lines are spaced at the nominal distance of
1203                         // 2/5 inventory slot, even if the font doesn't
1204                         // quite match that.  This provides consistent
1205                         // form layout, at the expense of sometimes
1206                         // having sub-optimal spacing for the font.
1207                         // We multiply by 2 and then divide by 5, rather
1208                         // than multiply by 0.4, to get exact results
1209                         // in the integer cases: 0.4 is not exactly
1210                         // representable in binary floating point.
1211                         s32 posy = pos.Y + ((float)i) * spacing.Y * 2.0 / 5.0;
1212                         std::wstring wlabel = utf8_to_wide(lines[i]);
1213                         core::rect<s32> rect = core::rect<s32>(
1214                                 pos.X, posy - m_btn_height,
1215                                 pos.X + m_font->getDimension(wlabel.c_str()).Width,
1216                                 posy + m_btn_height);
1217                         FieldSpec spec(
1218                                 "",
1219                                 wlabel,
1220                                 L"",
1221                                 258+m_fields.size()
1222                         );
1223                         gui::IGUIStaticText *e =
1224                                 Environment->addStaticText(spec.flabel.c_str(),
1225                                         rect, false, false, this, spec.fid);
1226                         e->setTextAlignment(gui::EGUIA_UPPERLEFT,
1227                                                 gui::EGUIA_CENTER);
1228                         m_fields.push_back(spec);
1229                 }
1230
1231                 return;
1232         }
1233         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1234 }
1235
1236 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
1237 {
1238         std::vector<std::string> parts = split(element,';');
1239
1240         if ((parts.size() == 2) ||
1241                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1242         {
1243                 std::vector<std::string> v_pos = split(parts[0],',');
1244                 std::wstring text = utf8_to_wide(unescape_string(parts[1]));
1245
1246                 MY_CHECKPOS("vertlabel",1);
1247
1248                 v2s32 pos = padding;
1249                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1250                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1251
1252                 core::rect<s32> rect = core::rect<s32>(
1253                                 pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
1254                                 pos.X+15, pos.Y +
1255                                         font_line_height(m_font)
1256                                         * (text.length()+1)
1257                                         +((imgsize.Y/2)- m_btn_height));
1258                 //actually text.length() would be correct but adding +1 avoids to break all mods
1259
1260                 if(!data->explicit_size)
1261                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1262
1263                 std::wstring label = L"";
1264
1265                 for (unsigned int i=0; i < text.length(); i++) {
1266                         label += text[i];
1267                         label += L"\n";
1268                 }
1269
1270                 FieldSpec spec(
1271                         "",
1272                         label,
1273                         L"",
1274                         258+m_fields.size()
1275                 );
1276                 gui::IGUIStaticText *t =
1277                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1278                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1279                 m_fields.push_back(spec);
1280                 return;
1281         }
1282         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1283 }
1284
1285 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
1286                 std::string type)
1287 {
1288         std::vector<std::string> parts = split(element,';');
1289
1290         if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
1291                 ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
1292         {
1293                 std::vector<std::string> v_pos = split(parts[0],',');
1294                 std::vector<std::string> v_geom = split(parts[1],',');
1295                 std::string image_name = parts[2];
1296                 std::string name = parts[3];
1297                 std::string label = parts[4];
1298
1299                 MY_CHECKPOS("imagebutton",0);
1300                 MY_CHECKGEOM("imagebutton",1);
1301
1302                 v2s32 pos = padding;
1303                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1304                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1305                 v2s32 geom;
1306                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1307                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1308
1309                 bool noclip     = false;
1310                 bool drawborder = true;
1311                 std::string pressed_image_name = "";
1312
1313                 if (parts.size() >= 7) {
1314                         if (parts[5] == "true")
1315                                 noclip = true;
1316                         if (parts[6] == "false")
1317                                 drawborder = false;
1318                 }
1319
1320                 if (parts.size() >= 8) {
1321                         pressed_image_name = parts[7];
1322                 }
1323
1324                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1325
1326                 if(!data->explicit_size)
1327                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1328
1329                 image_name = unescape_string(image_name);
1330                 pressed_image_name = unescape_string(pressed_image_name);
1331                 label = unescape_string(label);
1332
1333                 std::wstring wlabel = utf8_to_wide(label);
1334
1335                 FieldSpec spec(
1336                         name,
1337                         wlabel,
1338                         utf8_to_wide(image_name),
1339                         258+m_fields.size()
1340                 );
1341                 spec.ftype = f_Button;
1342                 if(type == "image_button_exit")
1343                         spec.is_exit = true;
1344
1345                 video::ITexture *texture = 0;
1346                 video::ITexture *pressed_texture = 0;
1347                 texture = m_tsrc->getTexture(image_name);
1348                 if (pressed_image_name != "")
1349                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1350                 else
1351                         pressed_texture = texture;
1352
1353                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1354
1355                 if (spec.fname == data->focused_fieldname) {
1356                         Environment->setFocus(e);
1357                 }
1358
1359                 e->setUseAlphaChannel(true);
1360                 e->setImage(guiScalingImageButton(
1361                         Environment->getVideoDriver(), texture, geom.X, geom.Y));
1362                 e->setPressedImage(guiScalingImageButton(
1363                         Environment->getVideoDriver(), pressed_texture, geom.X, geom.Y));
1364                 e->setScaleImage(true);
1365                 e->setNotClipped(noclip);
1366                 e->setDrawBorder(drawborder);
1367
1368                 m_fields.push_back(spec);
1369                 return;
1370         }
1371
1372         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1373 }
1374
1375 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
1376 {
1377         std::vector<std::string> parts = split(element,';');
1378
1379         if (((parts.size() == 4) || (parts.size() == 6)) ||
1380                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
1381         {
1382                 std::vector<std::string> v_pos = split(parts[0],',');
1383                 std::string name = parts[1];
1384                 std::vector<std::string> buttons = split(parts[2],',');
1385                 std::string str_index = parts[3];
1386                 bool show_background = true;
1387                 bool show_border = true;
1388                 int tab_index = stoi(str_index) -1;
1389
1390                 MY_CHECKPOS("tabheader",0);
1391
1392                 if (parts.size() == 6) {
1393                         if (parts[4] == "true")
1394                                 show_background = false;
1395                         if (parts[5] == "false")
1396                                 show_border = false;
1397                 }
1398
1399                 FieldSpec spec(
1400                         name,
1401                         L"",
1402                         L"",
1403                         258+m_fields.size()
1404                 );
1405
1406                 spec.ftype = f_TabHeader;
1407
1408                 v2s32 pos(0,0);
1409                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1410                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
1411                 v2s32 geom;
1412                 geom.X = DesiredRect.getWidth();
1413                 geom.Y = m_btn_height*2;
1414
1415                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
1416                                 pos.Y+geom.Y);
1417
1418                 gui::IGUITabControl *e = Environment->addTabControl(rect, this,
1419                                 show_background, show_border, spec.fid);
1420                 e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
1421                                 irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
1422                 e->setTabHeight(m_btn_height*2);
1423
1424                 if (spec.fname == data->focused_fieldname) {
1425                         Environment->setFocus(e);
1426                 }
1427
1428                 e->setNotClipped(true);
1429
1430                 for (unsigned int i = 0; i < buttons.size(); i++) {
1431                         e->addTab(utf8_to_wide(buttons[i]).c_str(), -1);
1432                 }
1433
1434                 if ((tab_index >= 0) &&
1435                                 (buttons.size() < INT_MAX) &&
1436                                 (tab_index < (int) buttons.size()))
1437                         e->setActiveTab(tab_index);
1438
1439                 m_fields.push_back(spec);
1440                 return;
1441         }
1442         errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
1443                         << element << "'"  << std::endl;
1444 }
1445
1446 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
1447 {
1448
1449         if (m_gamedef == 0) {
1450                 errorstream <<
1451                                 "WARNING: invalid use of item_image_button with m_gamedef==0"
1452                                 << std::endl;
1453                 return;
1454         }
1455
1456         std::vector<std::string> parts = split(element,';');
1457
1458         if ((parts.size() == 5) ||
1459                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1460         {
1461                 std::vector<std::string> v_pos = split(parts[0],',');
1462                 std::vector<std::string> v_geom = split(parts[1],',');
1463                 std::string item_name = parts[2];
1464                 std::string name = parts[3];
1465                 std::string label = parts[4];
1466
1467                 MY_CHECKPOS("itemimagebutton",0);
1468                 MY_CHECKGEOM("itemimagebutton",1);
1469
1470                 v2s32 pos = padding;
1471                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1472                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1473                 v2s32 geom;
1474                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1475                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1476
1477                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1478
1479                 if(!data->explicit_size)
1480                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1481
1482                 IItemDefManager *idef = m_gamedef->idef();
1483                 ItemStack item;
1484                 item.deSerialize(item_name, idef);
1485                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1486
1487                 m_tooltips[name] =
1488                         TooltipSpec(item.getDefinition(idef).description,
1489                                                 m_default_tooltip_bgcolor,
1490                                                 m_default_tooltip_color);
1491
1492                 label = unescape_string(label);
1493                 FieldSpec spec(
1494                         name,
1495                         utf8_to_wide(label),
1496                         utf8_to_wide(item_name),
1497                         258 + m_fields.size()
1498                 );
1499
1500                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1501
1502                 if (spec.fname == data->focused_fieldname) {
1503                         Environment->setFocus(e);
1504                 }
1505
1506                 e->setUseAlphaChannel(true);
1507                 e->setImage(guiScalingImageButton(Environment->getVideoDriver(), texture, geom.X, geom.Y));
1508                 e->setPressedImage(guiScalingImageButton(Environment->getVideoDriver(), texture, geom.X, geom.Y));
1509                 e->setScaleImage(true);
1510                 spec.ftype = f_Button;
1511                 rect+=data->basepos-padding;
1512                 spec.rect=rect;
1513                 m_fields.push_back(spec);
1514                 return;
1515         }
1516         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1517 }
1518
1519 void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
1520 {
1521         std::vector<std::string> parts = split(element,';');
1522
1523         if ((parts.size() == 3) ||
1524                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
1525         {
1526                 std::vector<std::string> v_pos = split(parts[0],',');
1527                 std::vector<std::string> v_geom = split(parts[1],',');
1528
1529                 MY_CHECKPOS("box",0);
1530                 MY_CHECKGEOM("box",1);
1531
1532                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1533                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1534                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1535
1536                 v2s32 geom;
1537                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1538                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1539
1540                 video::SColor tmp_color;
1541
1542                 if (parseColorString(parts[2], tmp_color, false)) {
1543                         BoxDrawSpec spec(pos, geom, tmp_color);
1544
1545                         m_boxes.push_back(spec);
1546                 }
1547                 else {
1548                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1549                 }
1550                 return;
1551         }
1552         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1553 }
1554
1555 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
1556 {
1557         std::vector<std::string> parts = split(element,';');
1558
1559         if (((parts.size() == 1) || (parts.size() == 2)) ||
1560                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1561         {
1562                 parseColorString(parts[0],m_bgcolor,false);
1563
1564                 if (parts.size() == 2) {
1565                         std::string fullscreen = parts[1];
1566                         m_bgfullscreen = is_yes(fullscreen);
1567                 }
1568                 return;
1569         }
1570         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1571 }
1572
1573 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
1574 {
1575         std::vector<std::string> parts = split(element,';');
1576
1577         if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
1578                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1579         {
1580                 parseColorString(parts[0], m_slotbg_n, false);
1581                 parseColorString(parts[1], m_slotbg_h, false);
1582
1583                 if (parts.size() >= 3) {
1584                         if (parseColorString(parts[2], m_slotbordercolor, false)) {
1585                                 m_slotborder = true;
1586                         }
1587                 }
1588                 if (parts.size() == 5) {
1589                         video::SColor tmp_color;
1590
1591                         if (parseColorString(parts[3], tmp_color, false))
1592                                 m_default_tooltip_bgcolor = tmp_color;
1593                         if (parseColorString(parts[4], tmp_color, false))
1594                                 m_default_tooltip_color = tmp_color;
1595                 }
1596                 return;
1597         }
1598         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1599 }
1600
1601 void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
1602 {
1603         std::vector<std::string> parts = split(element,';');
1604         if (parts.size() == 2) {
1605                 std::string name = parts[0];
1606                 m_tooltips[name] = TooltipSpec(unescape_string(parts[1]),
1607                         m_default_tooltip_bgcolor, m_default_tooltip_color);
1608                 return;
1609         } else if (parts.size() == 4) {
1610                 std::string name = parts[0];
1611                 video::SColor tmp_color1, tmp_color2;
1612                 if ( parseColorString(parts[2], tmp_color1, false) && parseColorString(parts[3], tmp_color2, false) ) {
1613                         m_tooltips[name] = TooltipSpec(unescape_string(parts[1]),
1614                                 tmp_color1, tmp_color2);
1615                         return;
1616                 }
1617         }
1618         errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
1619 }
1620
1621 bool GUIFormSpecMenu::parseVersionDirect(std::string data)
1622 {
1623         //some prechecks
1624         if (data == "")
1625                 return false;
1626
1627         std::vector<std::string> parts = split(data,'[');
1628
1629         if (parts.size() < 2) {
1630                 return false;
1631         }
1632
1633         if (parts[0] != "formspec_version") {
1634                 return false;
1635         }
1636
1637         if (is_number(parts[1])) {
1638                 m_formspec_version = mystoi(parts[1]);
1639                 return true;
1640         }
1641
1642         return false;
1643 }
1644
1645 bool GUIFormSpecMenu::parseSizeDirect(parserData* data, std::string element)
1646 {
1647         if (element == "")
1648                 return false;
1649
1650         std::vector<std::string> parts = split(element,'[');
1651
1652         if (parts.size() < 2)
1653                 return false;
1654
1655         std::string type = trim(parts[0]);
1656         std::string description = trim(parts[1]);
1657
1658         if (type != "size" && type != "invsize")
1659                 return false;
1660
1661         if (type == "invsize")
1662                 log_deprecated("Deprecated formspec element \"invsize\" is used");
1663
1664         parseSize(data, description);
1665
1666         return true;
1667 }
1668
1669 void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
1670 {
1671         //some prechecks
1672         if (element == "")
1673                 return;
1674
1675         std::vector<std::string> parts = split(element,'[');
1676
1677         // ugly workaround to keep compatibility
1678         if (parts.size() > 2) {
1679                 if (trim(parts[0]) == "image") {
1680                         for (unsigned int i=2;i< parts.size(); i++) {
1681                                 parts[1] += "[" + parts[i];
1682                         }
1683                 }
1684                 else { return; }
1685         }
1686
1687         if (parts.size() < 2) {
1688                 return;
1689         }
1690
1691         std::string type = trim(parts[0]);
1692         std::string description = trim(parts[1]);
1693
1694         if (type == "list") {
1695                 parseList(data,description);
1696                 return;
1697         }
1698
1699         if (type == "listring") {
1700                 parseListRing(data, description);
1701                 return;
1702         }
1703
1704         if (type == "checkbox") {
1705                 parseCheckbox(data,description);
1706                 return;
1707         }
1708
1709         if (type == "image") {
1710                 parseImage(data,description);
1711                 return;
1712         }
1713
1714         if (type == "item_image") {
1715                 parseItemImage(data,description);
1716                 return;
1717         }
1718
1719         if ((type == "button") || (type == "button_exit")) {
1720                 parseButton(data,description,type);
1721                 return;
1722         }
1723
1724         if (type == "background") {
1725                 parseBackground(data,description);
1726                 return;
1727         }
1728
1729         if (type == "tableoptions"){
1730                 parseTableOptions(data,description);
1731                 return;
1732         }
1733
1734         if (type == "tablecolumns"){
1735                 parseTableColumns(data,description);
1736                 return;
1737         }
1738
1739         if (type == "table"){
1740                 parseTable(data,description);
1741                 return;
1742         }
1743
1744         if (type == "textlist"){
1745                 parseTextList(data,description);
1746                 return;
1747         }
1748
1749         if (type == "dropdown"){
1750                 parseDropDown(data,description);
1751                 return;
1752         }
1753
1754         if (type == "pwdfield") {
1755                 parsePwdField(data,description);
1756                 return;
1757         }
1758
1759         if ((type == "field") || (type == "textarea")){
1760                 parseField(data,description,type);
1761                 return;
1762         }
1763
1764         if (type == "label") {
1765                 parseLabel(data,description);
1766                 return;
1767         }
1768
1769         if (type == "vertlabel") {
1770                 parseVertLabel(data,description);
1771                 return;
1772         }
1773
1774         if (type == "item_image_button") {
1775                 parseItemImageButton(data,description);
1776                 return;
1777         }
1778
1779         if ((type == "image_button") || (type == "image_button_exit")) {
1780                 parseImageButton(data,description,type);
1781                 return;
1782         }
1783
1784         if (type == "tabheader") {
1785                 parseTabHeader(data,description);
1786                 return;
1787         }
1788
1789         if (type == "box") {
1790                 parseBox(data,description);
1791                 return;
1792         }
1793
1794         if (type == "bgcolor") {
1795                 parseBackgroundColor(data,description);
1796                 return;
1797         }
1798
1799         if (type == "listcolors") {
1800                 parseListColors(data,description);
1801                 return;
1802         }
1803
1804         if (type == "tooltip") {
1805                 parseTooltip(data,description);
1806                 return;
1807         }
1808
1809         if (type == "scrollbar") {
1810                 parseScrollBar(data, description);
1811                 return;
1812         }
1813
1814         // Ignore others
1815         infostream
1816                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1817                 <<std::endl;
1818 }
1819
1820 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1821 {
1822         /* useless to regenerate without a screensize */
1823         if ((screensize.X <= 0) || (screensize.Y <= 0)) {
1824                 return;
1825         }
1826
1827         parserData mydata;
1828
1829         //preserve tables
1830         for (u32 i = 0; i < m_tables.size(); ++i) {
1831                 std::string tablename = m_tables[i].first.fname;
1832                 GUITable *table = m_tables[i].second;
1833                 mydata.table_dyndata[tablename] = table->getDynamicData();
1834         }
1835
1836         //set focus
1837         if (!m_focused_element.empty())
1838                 mydata.focused_fieldname = m_focused_element;
1839
1840         //preserve focus
1841         gui::IGUIElement *focused_element = Environment->getFocus();
1842         if (focused_element && focused_element->getParent() == this) {
1843                 s32 focused_id = focused_element->getID();
1844                 if (focused_id > 257) {
1845                         for (u32 i=0; i<m_fields.size(); i++) {
1846                                 if (m_fields[i].fid == focused_id) {
1847                                         mydata.focused_fieldname =
1848                                                 m_fields[i].fname;
1849                                         break;
1850                                 }
1851                         }
1852                 }
1853         }
1854
1855         // Remove children
1856         removeChildren();
1857
1858         for (u32 i = 0; i < m_tables.size(); ++i) {
1859                 GUITable *table = m_tables[i].second;
1860                 table->drop();
1861         }
1862
1863         mydata.size= v2s32(100,100);
1864         mydata.screensize = screensize;
1865
1866         // Base position of contents of form
1867         mydata.basepos = getBasePos();
1868
1869         /* Convert m_init_draw_spec to m_inventorylists */
1870
1871         m_inventorylists.clear();
1872         m_images.clear();
1873         m_backgrounds.clear();
1874         m_itemimages.clear();
1875         m_tables.clear();
1876         m_checkboxes.clear();
1877         m_scrollbars.clear();
1878         m_fields.clear();
1879         m_boxes.clear();
1880         m_tooltips.clear();
1881
1882         // Set default values (fits old formspec values)
1883         m_bgcolor = video::SColor(140,0,0,0);
1884         m_bgfullscreen = false;
1885
1886         m_slotbg_n = video::SColor(255,128,128,128);
1887         m_slotbg_h = video::SColor(255,192,192,192);
1888
1889         m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
1890         m_default_tooltip_color = video::SColor(255,255,255,255);
1891
1892         m_slotbordercolor = video::SColor(200,0,0,0);
1893         m_slotborder = false;
1894
1895         m_clipbackground = false;
1896         // Add tooltip
1897         {
1898                 assert(m_tooltip_element == NULL);
1899                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1900                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1901                 m_tooltip_element->enableOverrideColor(true);
1902                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
1903                 m_tooltip_element->setDrawBackground(true);
1904                 m_tooltip_element->setDrawBorder(true);
1905                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
1906                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1907                 m_tooltip_element->setWordWrap(false);
1908                 //we're not parent so no autograb for this one!
1909                 m_tooltip_element->grab();
1910         }
1911
1912         std::vector<std::string> elements = split(m_formspec_string,']');
1913         unsigned int i = 0;
1914
1915         /* try to read version from first element only */
1916         if (elements.size() >= 1) {
1917                 if ( parseVersionDirect(elements[0]) ) {
1918                         i++;
1919                 }
1920         }
1921
1922         /* we need size first in order to calculate image scale */
1923         mydata.explicit_size = false;
1924         for (; i< elements.size(); i++) {
1925                 if (!parseSizeDirect(&mydata, elements[i])) {
1926                         break;
1927                 }
1928         }
1929
1930         if (mydata.explicit_size) {
1931                 // compute scaling for specified form size
1932                 if (m_lock) {
1933                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
1934                         v2u32 delta = current_screensize - m_lockscreensize;
1935
1936                         if (current_screensize.Y > m_lockscreensize.Y)
1937                                 delta.Y /= 2;
1938                         else
1939                                 delta.Y = 0;
1940
1941                         if (current_screensize.X > m_lockscreensize.X)
1942                                 delta.X /= 2;
1943                         else
1944                                 delta.X = 0;
1945
1946                         offset = v2s32(delta.X,delta.Y);
1947
1948                         mydata.screensize = m_lockscreensize;
1949                 } else {
1950                         offset = v2s32(0,0);
1951                 }
1952
1953                 double gui_scaling = g_settings->getFloat("gui_scaling");
1954                 double screen_dpi = porting::getDisplayDensity() * 96;
1955
1956                 double use_imgsize;
1957                 if (m_lock) {
1958                         // In fixed-size mode, inventory image size
1959                         // is 0.53 inch multiplied by the gui_scaling
1960                         // config parameter.  This magic size is chosen
1961                         // to make the main menu (15.5 inventory images
1962                         // wide, including border) just fit into the
1963                         // default window (800 pixels wide) at 96 DPI
1964                         // and default scaling (1.00).
1965                         use_imgsize = 0.5555 * screen_dpi * gui_scaling;
1966                 } else {
1967                         // In variable-size mode, we prefer to make the
1968                         // inventory image size 1/15 of screen height,
1969                         // multiplied by the gui_scaling config parameter.
1970                         // If the preferred size won't fit the whole
1971                         // form on the screen, either horizontally or
1972                         // vertically, then we scale it down to fit.
1973                         // (The magic numbers in the computation of what
1974                         // fits arise from the scaling factors in the
1975                         // following stanza, including the form border,
1976                         // help text space, and 0.1 inventory slot spare.)
1977                         // However, a minimum size is also set, that
1978                         // the image size can't be less than 0.3 inch
1979                         // multiplied by gui_scaling, even if this means
1980                         // the form doesn't fit the screen.
1981                         double prefer_imgsize = mydata.screensize.Y / 15 *
1982                                                         gui_scaling;
1983                         double fitx_imgsize = mydata.screensize.X /
1984                                 ((5.0/4.0) * (0.5 + mydata.invsize.X));
1985                         double fity_imgsize = mydata.screensize.Y /
1986                                 ((15.0/13.0) * (0.85 * mydata.invsize.Y));
1987                         double screen_dpi = porting::getDisplayDensity() * 96;
1988                         double min_imgsize = 0.3 * screen_dpi * gui_scaling;
1989                         use_imgsize = MYMAX(min_imgsize, MYMIN(prefer_imgsize,
1990                                 MYMIN(fitx_imgsize, fity_imgsize)));
1991                 }
1992
1993                 // Everything else is scaled in proportion to the
1994                 // inventory image size.  The inventory slot spacing
1995                 // is 5/4 image size horizontally and 15/13 image size
1996                 // vertically.  The padding around the form (incorporating
1997                 // the border of the outer inventory slots) is 3/8
1998                 // image size.  Font height (baseline to baseline)
1999                 // is 2/5 vertical inventory slot spacing, and button
2000                 // half-height is 7/8 of font height.
2001                 imgsize = v2s32(use_imgsize, use_imgsize);
2002                 spacing = v2s32(use_imgsize*5.0/4, use_imgsize*15.0/13);
2003                 padding = v2s32(use_imgsize*3.0/8, use_imgsize*3.0/8);
2004                 m_btn_height = use_imgsize*15.0/13 * 0.35;
2005
2006                 m_font = g_fontengine->getFont();
2007
2008                 mydata.size = v2s32(
2009                         padding.X*2+spacing.X*(mydata.invsize.X-1.0)+imgsize.X,
2010                         padding.Y*2+spacing.Y*(mydata.invsize.Y-1.0)+imgsize.Y + m_btn_height*2.0/3.0
2011                 );
2012                 DesiredRect = mydata.rect = core::rect<s32>(
2013                                 mydata.screensize.X/2 - mydata.size.X/2 + offset.X,
2014                                 mydata.screensize.Y/2 - mydata.size.Y/2 + offset.Y,
2015                                 mydata.screensize.X/2 + mydata.size.X/2 + offset.X,
2016                                 mydata.screensize.Y/2 + mydata.size.Y/2 + offset.Y
2017                 );
2018         } else {
2019                 // Non-size[] form must consist only of text fields and
2020                 // implicit "Proceed" button.  Use default font, and
2021                 // temporary form size which will be recalculated below.
2022                 m_font = g_fontengine->getFont();
2023                 m_btn_height = font_line_height(m_font) * 0.875;
2024                 DesiredRect = core::rect<s32>(
2025                         mydata.screensize.X/2 - 580/2,
2026                         mydata.screensize.Y/2 - 300/2,
2027                         mydata.screensize.X/2 + 580/2,
2028                         mydata.screensize.Y/2 + 300/2
2029                 );
2030         }
2031         recalculateAbsolutePosition(false);
2032         mydata.basepos = getBasePos();
2033         m_tooltip_element->setOverrideFont(m_font);
2034
2035         gui::IGUISkin* skin = Environment->getSkin();
2036         sanity_check(skin != NULL);
2037         gui::IGUIFont *old_font = skin->getFont();
2038         skin->setFont(m_font);
2039
2040         for (; i< elements.size(); i++) {
2041                 parseElement(&mydata, elements[i]);
2042         }
2043
2044         // If there are fields without explicit size[], add a "Proceed"
2045         // button and adjust size to fit all the fields.
2046         if (m_fields.size() && !mydata.explicit_size) {
2047                 mydata.rect = core::rect<s32>(
2048                                 mydata.screensize.X/2 - 580/2,
2049                                 mydata.screensize.Y/2 - 300/2,
2050                                 mydata.screensize.X/2 + 580/2,
2051                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
2052                 );
2053                 DesiredRect = mydata.rect;
2054                 recalculateAbsolutePosition(false);
2055                 mydata.basepos = getBasePos();
2056
2057                 {
2058                         v2s32 pos = mydata.basepos;
2059                         pos.Y = ((m_fields.size()+2)*60);
2060
2061                         v2s32 size = DesiredRect.getSize();
2062                         mydata.rect =
2063                                         core::rect<s32>(size.X/2-70, pos.Y,
2064                                                         (size.X/2-70)+140, pos.Y + (m_btn_height*2));
2065                         const wchar_t *text = wgettext("Proceed");
2066                         Environment->addButton(mydata.rect, this, 257, text);
2067                         delete[] text;
2068                 }
2069
2070         }
2071
2072         //set initial focus if parser didn't set it
2073         focused_element = Environment->getFocus();
2074         if (!focused_element
2075                         || !isMyChild(focused_element)
2076                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
2077                 setInitialFocus();
2078
2079         skin->setFont(old_font);
2080 }
2081
2082 #ifdef __ANDROID__
2083 bool GUIFormSpecMenu::getAndroidUIInput()
2084 {
2085         /* no dialog shown */
2086         if (m_JavaDialogFieldName == "") {
2087                 return false;
2088         }
2089
2090         /* still waiting */
2091         if (porting::getInputDialogState() == -1) {
2092                 return true;
2093         }
2094
2095         std::string fieldname = m_JavaDialogFieldName;
2096         m_JavaDialogFieldName = "";
2097
2098         /* no value abort dialog processing */
2099         if (porting::getInputDialogState() != 0) {
2100                 return false;
2101         }
2102
2103         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2104                         iter != m_fields.end(); iter++) {
2105
2106                 if (iter->fname != fieldname) {
2107                         continue;
2108                 }
2109                 IGUIElement* tochange = getElementFromId(iter->fid);
2110
2111                 if (tochange == 0) {
2112                         return false;
2113                 }
2114
2115                 if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
2116                         return false;
2117                 }
2118
2119                 std::string text = porting::getInputDialogValue();
2120
2121                 ((gui::IGUIEditBox*) tochange)->
2122                         setText(utf8_to_wide(text).c_str());
2123         }
2124         return false;
2125 }
2126 #endif
2127
2128 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
2129 {
2130         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2131
2132         for(u32 i=0; i<m_inventorylists.size(); i++)
2133         {
2134                 const ListDrawSpec &s = m_inventorylists[i];
2135
2136                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
2137                         s32 item_i = i + s.start_item_i;
2138                         s32 x = (i%s.geom.X) * spacing.X;
2139                         s32 y = (i/s.geom.X) * spacing.Y;
2140                         v2s32 p0(x,y);
2141                         core::rect<s32> rect = imgrect + s.pos + p0;
2142                         if(rect.isPointInside(p))
2143                         {
2144                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
2145                         }
2146                 }
2147         }
2148
2149         return ItemSpec(InventoryLocation(), "", -1);
2150 }
2151
2152 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
2153 {
2154         video::IVideoDriver* driver = Environment->getVideoDriver();
2155
2156         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2157         if(!inv){
2158                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2159                                 <<"The inventory location "
2160                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2161                                 <<std::endl;
2162                 return;
2163         }
2164         InventoryList *ilist = inv->getList(s.listname);
2165         if(!ilist){
2166                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2167                                 <<"The inventory list \""<<s.listname<<"\" @ \""
2168                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
2169                                 <<std::endl;
2170                 return;
2171         }
2172
2173         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2174
2175         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
2176         {
2177                 s32 item_i = i + s.start_item_i;
2178                 if(item_i >= (s32) ilist->getSize())
2179                         break;
2180                 s32 x = (i%s.geom.X) * spacing.X;
2181                 s32 y = (i/s.geom.X) * spacing.Y;
2182                 v2s32 p(x,y);
2183                 core::rect<s32> rect = imgrect + s.pos + p;
2184                 ItemStack item;
2185                 if(ilist)
2186                         item = ilist->getItem(item_i);
2187
2188                 bool selected = m_selected_item
2189                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
2190                         && m_selected_item->listname == s.listname
2191                         && m_selected_item->i == item_i;
2192                 bool hovering = rect.isPointInside(m_pointer);
2193
2194                 if(phase == 0)
2195                 {
2196                         if(hovering)
2197                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
2198                         else
2199                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
2200                 }
2201
2202                 //Draw inv slot borders
2203                 if (m_slotborder) {
2204                         s32 x1 = rect.UpperLeftCorner.X;
2205                         s32 y1 = rect.UpperLeftCorner.Y;
2206                         s32 x2 = rect.LowerRightCorner.X;
2207                         s32 y2 = rect.LowerRightCorner.Y;
2208                         s32 border = 1;
2209                         driver->draw2DRectangle(m_slotbordercolor,
2210                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
2211                                                                 v2s32(x2 + border, y1)), NULL);
2212                         driver->draw2DRectangle(m_slotbordercolor,
2213                                 core::rect<s32>(v2s32(x1 - border, y2),
2214                                                                 v2s32(x2 + border, y2 + border)), NULL);
2215                         driver->draw2DRectangle(m_slotbordercolor,
2216                                 core::rect<s32>(v2s32(x1 - border, y1),
2217                                                                 v2s32(x1, y2)), NULL);
2218                         driver->draw2DRectangle(m_slotbordercolor,
2219                                 core::rect<s32>(v2s32(x2, y1),
2220                                                                 v2s32(x2 + border, y2)), NULL);
2221                 }
2222
2223                 if(phase == 1)
2224                 {
2225                         // Draw item stack
2226                         if(selected)
2227                         {
2228                                 item.takeItem(m_selected_amount);
2229                         }
2230                         if(!item.empty())
2231                         {
2232                                 drawItemStack(driver, m_font, item,
2233                                                 rect, &AbsoluteClippingRect, m_gamedef);
2234                         }
2235
2236                         // Draw tooltip
2237                         std::string tooltip_text = "";
2238                         if (hovering && !m_selected_item)
2239                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
2240                         if (tooltip_text != "") {
2241                                 std::vector<std::string> tt_rows = str_split(tooltip_text, '\n');
2242                                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
2243                                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
2244                                 m_tooltip_element->setVisible(true);
2245                                 this->bringToFront(m_tooltip_element);
2246                                 m_tooltip_element->setText(utf8_to_wide(tooltip_text).c_str());
2247                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2248                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2249                                 v2u32 screenSize = driver->getScreenSize();
2250                                 int tooltip_offset_x = m_btn_height;
2251                                 int tooltip_offset_y = m_btn_height;
2252 #ifdef __ANDROID__
2253                                 tooltip_offset_x *= 3;
2254                                 tooltip_offset_y  = 0;
2255                                 if (m_pointer.X > (s32)screenSize.X / 2)
2256                                         tooltip_offset_x = (tooltip_offset_x + tooltip_width) * -1;
2257 #endif
2258                                 s32 tooltip_x = m_pointer.X + tooltip_offset_x;
2259                                 s32 tooltip_y = m_pointer.Y + tooltip_offset_y;
2260                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2261                                         tooltip_x = (s32)screenSize.X - tooltip_width  - m_btn_height;
2262                                 if (tooltip_y + tooltip_height > (s32)screenSize.Y)
2263                                         tooltip_y = (s32)screenSize.Y - tooltip_height - m_btn_height;
2264                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2265                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2266                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2267                         }
2268                 }
2269         }
2270 }
2271
2272 void GUIFormSpecMenu::drawSelectedItem()
2273 {
2274         if(!m_selected_item)
2275                 return;
2276
2277         video::IVideoDriver* driver = Environment->getVideoDriver();
2278
2279         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2280         sanity_check(inv);
2281         InventoryList *list = inv->getList(m_selected_item->listname);
2282         sanity_check(list);
2283         ItemStack stack = list->getItem(m_selected_item->i);
2284         stack.count = m_selected_amount;
2285
2286         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2287         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
2288         drawItemStack(driver, m_font, stack, rect, NULL, m_gamedef);
2289 }
2290
2291 void GUIFormSpecMenu::drawMenu()
2292 {
2293         if(m_form_src){
2294                 std::string newform = m_form_src->getForm();
2295                 if(newform != m_formspec_string){
2296                         m_formspec_string = newform;
2297                         regenerateGui(m_screensize_old);
2298                 }
2299         }
2300
2301         gui::IGUISkin* skin = Environment->getSkin();
2302         sanity_check(skin != NULL);
2303         gui::IGUIFont *old_font = skin->getFont();
2304         skin->setFont(m_font);
2305
2306         updateSelectedItem();
2307
2308         video::IVideoDriver* driver = Environment->getVideoDriver();
2309
2310         v2u32 screenSize = driver->getScreenSize();
2311         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
2312         if (m_bgfullscreen)
2313                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
2314         else
2315                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
2316
2317         m_tooltip_element->setVisible(false);
2318
2319         /*
2320                 Draw backgrounds
2321         */
2322         for(u32 i=0; i<m_backgrounds.size(); i++)
2323         {
2324                 const ImageDrawSpec &spec = m_backgrounds[i];
2325                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2326
2327                 if (texture != 0) {
2328                         // Image size on screen
2329                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2330                         // Image rectangle on screen
2331                         core::rect<s32> rect = imgrect + spec.pos;
2332
2333                         if (m_clipbackground) {
2334                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
2335                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
2336                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
2337                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X,
2338                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y);
2339                         }
2340
2341                         const video::SColor color(255,255,255,255);
2342                         const video::SColor colors[] = {color,color,color,color};
2343                         draw2DImageFilterScaled(driver, texture, rect,
2344                                 core::rect<s32>(core::position2d<s32>(0,0),
2345                                                 core::dimension2di(texture->getOriginalSize())),
2346                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2347                 }
2348                 else {
2349                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
2350                         errorstream << "\t" << spec.name << std::endl;
2351                 }
2352         }
2353
2354         /*
2355                 Draw Boxes
2356         */
2357         for(u32 i=0; i<m_boxes.size(); i++)
2358         {
2359                 const BoxDrawSpec &spec = m_boxes[i];
2360
2361                 irr::video::SColor todraw = spec.color;
2362
2363                 todraw.setAlpha(140);
2364
2365                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
2366                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
2367
2368                 driver->draw2DRectangle(todraw, rect, 0);
2369         }
2370         /*
2371                 Draw images
2372         */
2373         for(u32 i=0; i<m_images.size(); i++)
2374         {
2375                 const ImageDrawSpec &spec = m_images[i];
2376                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2377
2378                 if (texture != 0) {
2379                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
2380                         // Image size on screen
2381                         core::rect<s32> imgrect;
2382
2383                         if (spec.scale)
2384                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
2385                         else {
2386
2387                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
2388                         }
2389                         // Image rectangle on screen
2390                         core::rect<s32> rect = imgrect + spec.pos;
2391                         const video::SColor color(255,255,255,255);
2392                         const video::SColor colors[] = {color,color,color,color};
2393                         draw2DImageFilterScaled(driver, texture, rect,
2394                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
2395                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2396                 }
2397                 else {
2398                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
2399                         errorstream << "\t" << spec.name << std::endl;
2400                 }
2401         }
2402
2403         /*
2404                 Draw item images
2405         */
2406         for(u32 i=0; i<m_itemimages.size(); i++)
2407         {
2408                 if (m_gamedef == 0)
2409                         break;
2410
2411                 const ImageDrawSpec &spec = m_itemimages[i];
2412                 IItemDefManager *idef = m_gamedef->idef();
2413                 ItemStack item;
2414                 item.deSerialize(spec.name, idef);
2415                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
2416                 // Image size on screen
2417                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2418                 // Image rectangle on screen
2419                 core::rect<s32> rect = imgrect + spec.pos;
2420                 const video::SColor color(255,255,255,255);
2421                 const video::SColor colors[] = {color,color,color,color};
2422                 draw2DImageFilterScaled(driver, texture, rect,
2423                         core::rect<s32>(core::position2d<s32>(0,0),
2424                                         core::dimension2di(texture->getOriginalSize())),
2425                         NULL/*&AbsoluteClippingRect*/, colors, true);
2426         }
2427
2428         /*
2429                 Draw items
2430                 Phase 0: Item slot rectangles
2431                 Phase 1: Item images; prepare tooltip
2432         */
2433         int start_phase=0;
2434         for(int phase=start_phase; phase<=1; phase++)
2435         for(u32 i=0; i<m_inventorylists.size(); i++)
2436         {
2437                 drawList(m_inventorylists[i], phase);
2438         }
2439
2440         /*
2441                 Call base class
2442         */
2443         gui::IGUIElement::draw();
2444
2445 /* TODO find way to show tooltips on touchscreen */
2446 #ifndef HAVE_TOUCHSCREENGUI
2447         m_pointer = m_device->getCursorControl()->getPosition();
2448 #endif
2449
2450         /*
2451                 Draw fields/buttons tooltips
2452         */
2453         gui::IGUIElement *hovered =
2454                         Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
2455
2456         if (hovered != NULL) {
2457                 s32 id = hovered->getID();
2458
2459                 u32 delta = 0;
2460                 if (id == -1) {
2461                         m_old_tooltip_id = id;
2462                         m_old_tooltip = "";
2463                 } else {
2464                         if (id == m_old_tooltip_id) {
2465                                 delta = porting::getDeltaMs(m_hovered_time, getTimeMs());
2466                         } else {
2467                                 m_hovered_time = getTimeMs();
2468                                 m_old_tooltip_id = id;
2469                         }
2470                 }
2471
2472                 if (id != -1 && delta >= m_tooltip_show_delay) {
2473                         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2474                                         iter != m_fields.end(); iter++) {
2475                                 if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
2476                                         if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
2477                                                 m_old_tooltip = m_tooltips[iter->fname].tooltip;
2478                                                 m_tooltip_element->setText(utf8_to_wide(m_tooltips[iter->fname].tooltip).c_str());
2479                                                 std::vector<std::string> tt_rows = str_split(m_tooltips[iter->fname].tooltip, '\n');
2480                                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2481                                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2482                                                 int tooltip_offset_x = m_btn_height;
2483                                                 int tooltip_offset_y = m_btn_height;
2484 #ifdef __ANDROID__
2485                                                 tooltip_offset_x *= 3;
2486                                                 tooltip_offset_y  = 0;
2487                                                 if (m_pointer.X > (s32)screenSize.X / 2)
2488                                                         tooltip_offset_x = (tooltip_offset_x + tooltip_width) * -1;
2489 #endif
2490                                                 s32 tooltip_x = m_pointer.X + tooltip_offset_x;
2491                                                 s32 tooltip_y = m_pointer.Y + tooltip_offset_y;
2492                                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2493                                                         tooltip_x = (s32)screenSize.X - tooltip_width  - m_btn_height;
2494                                                 if (tooltip_y + tooltip_height > (s32)screenSize.Y)
2495                                                         tooltip_y = (s32)screenSize.Y - tooltip_height - m_btn_height;
2496                                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2497                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2498                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2499                                         }
2500                                         m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
2501                                         m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
2502                                         m_tooltip_element->setVisible(true);
2503                                         this->bringToFront(m_tooltip_element);
2504                                         break;
2505                                 }
2506                         }
2507                 }
2508         }
2509
2510         /*
2511                 Draw dragged item stack
2512         */
2513         drawSelectedItem();
2514
2515         skin->setFont(old_font);
2516 }
2517
2518 void GUIFormSpecMenu::updateSelectedItem()
2519 {
2520         // If the selected stack has become empty for some reason, deselect it.
2521         // If the selected stack has become inaccessible, deselect it.
2522         // If the selected stack has become smaller, adjust m_selected_amount.
2523         ItemStack selected = verifySelectedItem();
2524
2525         // WARNING: BLACK MAGIC
2526         // See if there is a stack suited for our current guess.
2527         // If such stack does not exist, clear the guess.
2528         if(m_selected_content_guess.name != "" &&
2529                         selected.name == m_selected_content_guess.name &&
2530                         selected.count == m_selected_content_guess.count){
2531                 // Selected item fits the guess. Skip the black magic.
2532         }
2533         else if(m_selected_content_guess.name != ""){
2534                 bool found = false;
2535                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2536                         const ListDrawSpec &s = m_inventorylists[i];
2537                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2538                         if(!inv)
2539                                 continue;
2540                         InventoryList *list = inv->getList(s.listname);
2541                         if(!list)
2542                                 continue;
2543                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2544                                 u32 item_i = i + s.start_item_i;
2545                                 if(item_i >= list->getSize())
2546                                         continue;
2547                                 ItemStack stack = list->getItem(item_i);
2548                                 if(stack.name == m_selected_content_guess.name &&
2549                                                 stack.count == m_selected_content_guess.count){
2550                                         found = true;
2551                                         infostream<<"Client: Changing selected content guess to "
2552                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2553                                                         <<" "<<item_i<<std::endl;
2554                                         delete m_selected_item;
2555                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2556                                         m_selected_amount = stack.count;
2557                                 }
2558                         }
2559                 }
2560                 if(!found){
2561                         infostream<<"Client: Discarding selected content guess: "
2562                                         <<m_selected_content_guess.getItemString()<<std::endl;
2563                         m_selected_content_guess.name = "";
2564                 }
2565         }
2566
2567         // If craftresult is nonempty and nothing else is selected, select it now.
2568         if(!m_selected_item)
2569         {
2570                 for(u32 i=0; i<m_inventorylists.size(); i++)
2571                 {
2572                         const ListDrawSpec &s = m_inventorylists[i];
2573                         if(s.listname == "craftpreview")
2574                         {
2575                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2576                                 InventoryList *list = inv->getList("craftresult");
2577                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2578                                 {
2579                                         m_selected_item = new ItemSpec;
2580                                         m_selected_item->inventoryloc = s.inventoryloc;
2581                                         m_selected_item->listname = "craftresult";
2582                                         m_selected_item->i = 0;
2583                                         m_selected_amount = 0;
2584                                         m_selected_dragging = false;
2585                                         break;
2586                                 }
2587                         }
2588                 }
2589         }
2590
2591         // If craftresult is selected, keep the whole stack selected
2592         if(m_selected_item && m_selected_item->listname == "craftresult")
2593         {
2594                 m_selected_amount = verifySelectedItem().count;
2595         }
2596 }
2597
2598 ItemStack GUIFormSpecMenu::verifySelectedItem()
2599 {
2600         // If the selected stack has become empty for some reason, deselect it.
2601         // If the selected stack has become inaccessible, deselect it.
2602         // If the selected stack has become smaller, adjust m_selected_amount.
2603         // Return the selected stack.
2604
2605         if(m_selected_item)
2606         {
2607                 if(m_selected_item->isValid())
2608                 {
2609                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2610                         if(inv)
2611                         {
2612                                 InventoryList *list = inv->getList(m_selected_item->listname);
2613                                 if(list && (u32) m_selected_item->i < list->getSize())
2614                                 {
2615                                         ItemStack stack = list->getItem(m_selected_item->i);
2616                                         if(m_selected_amount > stack.count)
2617                                                 m_selected_amount = stack.count;
2618                                         if(!stack.empty())
2619                                                 return stack;
2620                                 }
2621                         }
2622                 }
2623
2624                 // selection was not valid
2625                 delete m_selected_item;
2626                 m_selected_item = NULL;
2627                 m_selected_amount = 0;
2628                 m_selected_dragging = false;
2629         }
2630         return ItemStack();
2631 }
2632
2633 void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
2634 {
2635         if(m_text_dst)
2636         {
2637                 StringMap fields;
2638
2639                 if (quitmode == quit_mode_accept) {
2640                         fields["quit"] = "true";
2641                 }
2642
2643                 if (quitmode == quit_mode_cancel) {
2644                         fields["quit"] = "true";
2645                         m_text_dst->gotText(fields);
2646                         return;
2647                 }
2648
2649                 if (current_keys_pending.key_down) {
2650                         fields["key_down"] = "true";
2651                         current_keys_pending.key_down = false;
2652                 }
2653
2654                 if (current_keys_pending.key_up) {
2655                         fields["key_up"] = "true";
2656                         current_keys_pending.key_up = false;
2657                 }
2658
2659                 if (current_keys_pending.key_enter) {
2660                         fields["key_enter"] = "true";
2661                         current_keys_pending.key_enter = false;
2662                 }
2663
2664                 if (current_keys_pending.key_escape) {
2665                         fields["key_escape"] = "true";
2666                         current_keys_pending.key_escape = false;
2667                 }
2668
2669                 for(unsigned int i=0; i<m_fields.size(); i++) {
2670                         const FieldSpec &s = m_fields[i];
2671                         if(s.send) {
2672                                 std::string name = s.fname;
2673                                 if (s.ftype == f_Button) {
2674                                         fields[name] = wide_to_utf8(s.flabel);
2675                                 } else if (s.ftype == f_Table) {
2676                                         GUITable *table = getTable(s.fname);
2677                                         if (table) {
2678                                                 fields[name] = table->checkEvent();
2679                                         }
2680                                 }
2681                                 else if(s.ftype == f_DropDown) {
2682                                         // no dynamic cast possible due to some distributions shipped
2683                                         // without rtti support in irrlicht
2684                                         IGUIElement * element = getElementFromId(s.fid);
2685                                         gui::IGUIComboBox *e = NULL;
2686                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2687                                                 e = static_cast<gui::IGUIComboBox*>(element);
2688                                         }
2689                                         s32 selected = e->getSelected();
2690                                         if (selected >= 0) {
2691                                                 fields[name] =
2692                                                         wide_to_utf8(e->getItem(selected));
2693                                         }
2694                                 }
2695                                 else if (s.ftype == f_TabHeader) {
2696                                         // no dynamic cast possible due to some distributions shipped
2697                                         // without rtti support in irrlicht
2698                                         IGUIElement * element = getElementFromId(s.fid);
2699                                         gui::IGUITabControl *e = NULL;
2700                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2701                                                 e = static_cast<gui::IGUITabControl*>(element);
2702                                         }
2703
2704                                         if (e != 0) {
2705                                                 std::stringstream ss;
2706                                                 ss << (e->getActiveTab() +1);
2707                                                 fields[name] = ss.str();
2708                                         }
2709                                 }
2710                                 else if (s.ftype == f_CheckBox) {
2711                                         // no dynamic cast possible due to some distributions shipped
2712                                         // without rtti support in irrlicht
2713                                         IGUIElement * element = getElementFromId(s.fid);
2714                                         gui::IGUICheckBox *e = NULL;
2715                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2716                                                 e = static_cast<gui::IGUICheckBox*>(element);
2717                                         }
2718
2719                                         if (e != 0) {
2720                                                 if (e->isChecked())
2721                                                         fields[name] = "true";
2722                                                 else
2723                                                         fields[name] = "false";
2724                                         }
2725                                 }
2726                                 else if (s.ftype == f_ScrollBar) {
2727                                         // no dynamic cast possible due to some distributions shipped
2728                                         // without rtti support in irrlicht
2729                                         IGUIElement * element = getElementFromId(s.fid);
2730                                         gui::IGUIScrollBar *e = NULL;
2731                                         if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
2732                                                 e = static_cast<gui::IGUIScrollBar*>(element);
2733                                         }
2734
2735                                         if (e != 0) {
2736                                                 std::stringstream os;
2737                                                 os << e->getPos();
2738                                                 if (s.fdefault == L"Changed")
2739                                                         fields[name] = "CHG:" + os.str();
2740                                                 else
2741                                                         fields[name] = "VAL:" + os.str();
2742                                         }
2743                                 }
2744                                 else
2745                                 {
2746                                         IGUIElement* e = getElementFromId(s.fid);
2747                                         if(e != NULL) {
2748                                                 fields[name] = wide_to_utf8(e->getText());
2749                                         }
2750                                 }
2751                         }
2752                 }
2753
2754                 m_text_dst->gotText(fields);
2755         }
2756 }
2757
2758 static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
2759 {
2760         while(tocheck != NULL) {
2761                 if (tocheck == parent) {
2762                         return true;
2763                 }
2764                 tocheck = tocheck->getParent();
2765         }
2766         return false;
2767 }
2768
2769 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2770 {
2771         // The IGUITabControl renders visually using the skin's selected
2772         // font, which we override for the duration of form drawing,
2773         // but computes tab hotspots based on how it would have rendered
2774         // using the font that is selected at the time of button release.
2775         // To make these two consistent, temporarily override the skin's
2776         // font while the IGUITabControl is processing the event.
2777         if (event.EventType == EET_MOUSE_INPUT_EVENT &&
2778                         event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
2779                 s32 x = event.MouseInput.X;
2780                 s32 y = event.MouseInput.Y;
2781                 gui::IGUIElement *hovered =
2782                         Environment->getRootGUIElement()->getElementFromPoint(
2783                                 core::position2d<s32>(x, y));
2784                 if (hovered && isMyChild(hovered) &&
2785                                 hovered->getType() == gui::EGUIET_TAB_CONTROL) {
2786                         gui::IGUISkin* skin = Environment->getSkin();
2787                         sanity_check(skin != NULL);
2788                         gui::IGUIFont *old_font = skin->getFont();
2789                         skin->setFont(m_font);
2790                         bool retval = hovered->OnEvent(event);
2791                         skin->setFont(old_font);
2792                         return retval;
2793                 }
2794         }
2795
2796         // Fix Esc/Return key being eaten by checkboxen and tables
2797         if(event.EventType==EET_KEY_INPUT_EVENT) {
2798                 KeyPress kp(event.KeyInput);
2799                 if (kp == EscapeKey || kp == CancelKey
2800                                 || kp == getKeySetting("keymap_inventory")
2801                                 || event.KeyInput.Key==KEY_RETURN) {
2802                         gui::IGUIElement *focused = Environment->getFocus();
2803                         if (focused && isMyChild(focused) &&
2804                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2805                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2806                                 OnEvent(event);
2807                                 return true;
2808                         }
2809                 }
2810         }
2811         // Mouse wheel events: send to hovered element instead of focused
2812         if(event.EventType==EET_MOUSE_INPUT_EVENT
2813                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
2814                 s32 x = event.MouseInput.X;
2815                 s32 y = event.MouseInput.Y;
2816                 gui::IGUIElement *hovered =
2817                         Environment->getRootGUIElement()->getElementFromPoint(
2818                                 core::position2d<s32>(x, y));
2819                 if (hovered && isMyChild(hovered)) {
2820                         hovered->OnEvent(event);
2821                         return true;
2822                 }
2823         }
2824
2825         if (event.EventType == EET_MOUSE_INPUT_EVENT) {
2826                 s32 x = event.MouseInput.X;
2827                 s32 y = event.MouseInput.Y;
2828                 gui::IGUIElement *hovered =
2829                         Environment->getRootGUIElement()->getElementFromPoint(
2830                                 core::position2d<s32>(x, y));
2831                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2832                         m_old_tooltip_id = -1;
2833                         m_old_tooltip = "";
2834                 }
2835                 if (!isChild(hovered,this)) {
2836                         if (DoubleClickDetection(event)) {
2837                                 return true;
2838                         }
2839                 }
2840         }
2841
2842         #ifdef __ANDROID__
2843         // display software keyboard when clicking edit boxes
2844         if (event.EventType == EET_MOUSE_INPUT_EVENT
2845                         && event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2846                 gui::IGUIElement *hovered =
2847                         Environment->getRootGUIElement()->getElementFromPoint(
2848                                 core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
2849                 if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
2850                         bool retval = hovered->OnEvent(event);
2851                         if (retval) {
2852                                 Environment->setFocus(hovered);
2853                         }
2854                         m_JavaDialogFieldName = getNameByID(hovered->getID());
2855                         std::string message   = gettext("Enter ");
2856                         std::string label     = wide_to_utf8(getLabelByID(hovered->getID()));
2857                         if (label == "") {
2858                                 label = "text";
2859                         }
2860                         message += gettext(label) + ":";
2861
2862                         /* single line text input */
2863                         int type = 2;
2864
2865                         /* multi line text input */
2866                         if (((gui::IGUIEditBox*) hovered)->isMultiLineEnabled()) {
2867                                 type = 1;
2868                         }
2869
2870                         /* passwords are always single line */
2871                         if (((gui::IGUIEditBox*) hovered)->isPasswordBox()) {
2872                                 type = 3;
2873                         }
2874
2875                         porting::showInputDialog(gettext("ok"), "",
2876                                         wide_to_utf8(((gui::IGUIEditBox*) hovered)->getText()),
2877                                         type);
2878                         return retval;
2879                 }
2880         }
2881
2882         if (event.EventType == EET_TOUCH_INPUT_EVENT)
2883         {
2884                 SEvent translated;
2885                 memset(&translated, 0, sizeof(SEvent));
2886                 translated.EventType   = EET_MOUSE_INPUT_EVENT;
2887                 gui::IGUIElement* root = Environment->getRootGUIElement();
2888
2889                 if (!root) {
2890                         errorstream
2891                         << "GUIFormSpecMenu::preprocessEvent unable to get root element"
2892                         << std::endl;
2893                         return false;
2894                 }
2895                 gui::IGUIElement* hovered = root->getElementFromPoint(
2896                         core::position2d<s32>(
2897                                         event.TouchInput.X,
2898                                         event.TouchInput.Y));
2899
2900                 translated.MouseInput.X = event.TouchInput.X;
2901                 translated.MouseInput.Y = event.TouchInput.Y;
2902                 translated.MouseInput.Control = false;
2903
2904                 bool dont_send_event = false;
2905
2906                 if (event.TouchInput.touchedCount == 1) {
2907                         switch (event.TouchInput.Event) {
2908                                 case ETIE_PRESSED_DOWN:
2909                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2910                                         translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
2911                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2912                                         m_down_pos = m_pointer;
2913                                         break;
2914                                 case ETIE_MOVED:
2915                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2916                                         translated.MouseInput.Event = EMIE_MOUSE_MOVED;
2917                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2918                                         break;
2919                                 case ETIE_LEFT_UP:
2920                                         translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
2921                                         translated.MouseInput.ButtonStates = 0;
2922                                         hovered = root->getElementFromPoint(m_down_pos);
2923                                         /* we don't have a valid pointer element use last
2924                                          * known pointer pos */
2925                                         translated.MouseInput.X = m_pointer.X;
2926                                         translated.MouseInput.Y = m_pointer.Y;
2927
2928                                         /* reset down pos */
2929                                         m_down_pos = v2s32(0,0);
2930                                         break;
2931                                 default:
2932                                         dont_send_event = true;
2933                                         //this is not supposed to happen
2934                                         errorstream
2935                                         << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
2936                                         << event.TouchInput.Event << std::endl;
2937                         }
2938                 } else if ( (event.TouchInput.touchedCount == 2) &&
2939                                 (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
2940                         hovered = root->getElementFromPoint(m_down_pos);
2941
2942                         translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
2943                         translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
2944                         translated.MouseInput.X = m_pointer.X;
2945                         translated.MouseInput.Y = m_pointer.Y;
2946
2947                         if (hovered) {
2948                                 hovered->OnEvent(translated);
2949                         }
2950
2951                         translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
2952                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2953
2954
2955                         if (hovered) {
2956                                 hovered->OnEvent(translated);
2957                         }
2958                         dont_send_event = true;
2959                 }
2960                 /* ignore unhandled 2 touch events ... accidental moving for example */
2961                 else if (event.TouchInput.touchedCount == 2) {
2962                         dont_send_event = true;
2963                 }
2964                 else if (event.TouchInput.touchedCount > 2) {
2965                         errorstream
2966                         << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
2967                         << event.TouchInput.touchedCount << " ignoring them" << std::endl;
2968                 }
2969
2970                 if (dont_send_event) {
2971                         return true;
2972                 }
2973
2974                 /* check if translated event needs to be preprocessed again */
2975                 if (preprocessEvent(translated)) {
2976                         return true;
2977                 }
2978                 if (hovered) {
2979                         grab();
2980                         bool retval = hovered->OnEvent(translated);
2981
2982                         if (event.TouchInput.Event == ETIE_LEFT_UP) {
2983                                 /* reset pointer */
2984                                 m_pointer = v2s32(0,0);
2985                         }
2986                         drop();
2987                         return retval;
2988                 }
2989         }
2990         #endif
2991
2992         return false;
2993 }
2994
2995 /******************************************************************************/
2996 bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
2997 {
2998         /* The following code is for capturing double-clicks of the mouse button
2999          * and translating the double-click into an EET_KEY_INPUT_EVENT event
3000          * -- which closes the form -- under some circumstances.
3001          *
3002          * There have been many github issues reporting this as a bug even though it
3003          * was an intended feature.  For this reason, remapping the double-click as
3004          * an ESC must be explicitly set when creating this class via the
3005          * /p remap_dbl_click parameter of the constructor.
3006          */
3007
3008         if (!m_remap_dbl_click)
3009                 return false;
3010
3011         if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
3012                 m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
3013                 m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
3014
3015                 m_doubleclickdetect[1].pos  = m_pointer;
3016                 m_doubleclickdetect[1].time = getTimeMs();
3017         }
3018         else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
3019                 u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
3020                 if (delta > 400) {
3021                         return false;
3022                 }
3023
3024                 double squaredistance =
3025                                 m_doubleclickdetect[0].pos
3026                                 .getDistanceFromSQ(m_doubleclickdetect[1].pos);
3027
3028                 if (squaredistance > (30*30)) {
3029                         return false;
3030                 }
3031
3032                 SEvent* translated = new SEvent();
3033                 assert(translated != 0);
3034                 //translate doubleclick to escape
3035                 memset(translated, 0, sizeof(SEvent));
3036                 translated->EventType = irr::EET_KEY_INPUT_EVENT;
3037                 translated->KeyInput.Key         = KEY_ESCAPE;
3038                 translated->KeyInput.Control     = false;
3039                 translated->KeyInput.Shift       = false;
3040                 translated->KeyInput.PressedDown = true;
3041                 translated->KeyInput.Char        = 0;
3042                 OnEvent(*translated);
3043
3044                 // no need to send the key up event as we're already deleted
3045                 // and no one else did notice this event
3046                 delete translated;
3047                 return true;
3048         }
3049
3050         return false;
3051 }
3052
3053 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
3054 {
3055         if (event.EventType==EET_KEY_INPUT_EVENT) {
3056                 KeyPress kp(event.KeyInput);
3057                 if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
3058                                 (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
3059                         if (m_allowclose) {
3060                                 doPause = false;
3061                                 acceptInput(quit_mode_cancel);
3062                                 quitMenu();
3063                         } else {
3064                                 m_text_dst->gotText(L"MenuQuit");
3065                         }
3066                         return true;
3067                 } else if (m_client != NULL && event.KeyInput.PressedDown &&
3068                                 (kp == getKeySetting("keymap_screenshot"))) {
3069                         m_client->makeScreenshot(m_device);
3070                 }
3071                 if (event.KeyInput.PressedDown &&
3072                         (event.KeyInput.Key==KEY_RETURN ||
3073                          event.KeyInput.Key==KEY_UP ||
3074                          event.KeyInput.Key==KEY_DOWN)
3075                         ) {
3076                         switch (event.KeyInput.Key) {
3077                                 case KEY_RETURN:
3078                                         current_keys_pending.key_enter = true;
3079                                         break;
3080                                 case KEY_UP:
3081                                         current_keys_pending.key_up = true;
3082                                         break;
3083                                 case KEY_DOWN:
3084                                         current_keys_pending.key_down = true;
3085                                         break;
3086                                 break;
3087                                 default:
3088                                         //can't happen at all!
3089                                         FATAL_ERROR("Reached a source line that can't ever been reached");
3090                                         break;
3091                         }
3092                         if (current_keys_pending.key_enter && m_allowclose) {
3093                                 acceptInput(quit_mode_accept);
3094                                 quitMenu();
3095                         } else {
3096                                 acceptInput();
3097                         }
3098                         return true;
3099                 }
3100
3101         }
3102
3103         /* Mouse event other than movement, or crossing the border of inventory
3104           field while holding right mouse button
3105          */
3106         if (event.EventType == EET_MOUSE_INPUT_EVENT &&
3107                         (event.MouseInput.Event != EMIE_MOUSE_MOVED ||
3108                          (event.MouseInput.Event == EMIE_MOUSE_MOVED &&
3109                           event.MouseInput.isRightPressed() &&
3110                           getItemAtPos(m_pointer).i != getItemAtPos(m_old_pointer).i))) {
3111
3112                 // Get selected item and hovered/clicked item (s)
3113
3114                 m_old_tooltip_id = -1;
3115                 updateSelectedItem();
3116                 ItemSpec s = getItemAtPos(m_pointer);
3117
3118                 Inventory *inv_selected = NULL;
3119                 Inventory *inv_s = NULL;
3120                 InventoryList *list_s = NULL;
3121
3122                 if (m_selected_item) {
3123                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
3124                         sanity_check(inv_selected);
3125                         sanity_check(inv_selected->getList(m_selected_item->listname) != NULL);
3126                 }
3127
3128                 u32 s_count = 0;
3129
3130                 if (s.isValid())
3131                 do { // breakable
3132                         inv_s = m_invmgr->getInventory(s.inventoryloc);
3133
3134                         if (!inv_s) {
3135                                 errorstream << "InventoryMenu: The selected inventory location "
3136                                                 << "\"" << s.inventoryloc.dump() << "\" doesn't exist"
3137                                                 << std::endl;
3138                                 s.i = -1;  // make it invalid again
3139                                 break;
3140                         }
3141
3142                         list_s = inv_s->getList(s.listname);
3143                         if (list_s == NULL) {
3144                                 verbosestream << "InventoryMenu: The selected inventory list \""
3145                                                 << s.listname << "\" does not exist" << std::endl;
3146                                 s.i = -1;  // make it invalid again
3147                                 break;
3148                         }
3149
3150                         if ((u32)s.i >= list_s->getSize()) {
3151                                 infostream << "InventoryMenu: The selected inventory list \""
3152                                                 << s.listname << "\" is too small (i=" << s.i << ", size="
3153                                                 << list_s->getSize() << ")" << std::endl;
3154                                 s.i = -1;  // make it invalid again
3155                                 break;
3156                         }
3157
3158                         s_count = list_s->getItem(s.i).count;
3159                 } while(0);
3160
3161                 bool identical = (m_selected_item != NULL) && s.isValid() &&
3162                         (inv_selected == inv_s) &&
3163                         (m_selected_item->listname == s.listname) &&
3164                         (m_selected_item->i == s.i);
3165
3166                 // buttons: 0 = left, 1 = right, 2 = middle
3167                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
3168                 int button = 0;
3169                 int updown = 2;
3170                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
3171                         { button = 0; updown = 0; }
3172                 else if (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
3173                         { button = 1; updown = 0; }
3174                 else if (event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
3175                         { button = 2; updown = 0; }
3176                 else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
3177                         { button = 0; updown = 1; }
3178                 else if (event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
3179                         { button = 1; updown = 1; }
3180                 else if (event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
3181                         { button = 2; updown = 1; }
3182                 else if (event.MouseInput.Event == EMIE_MOUSE_MOVED)
3183                         { updown = -1;}
3184
3185                 // Set this number to a positive value to generate a move action
3186                 // from m_selected_item to s.
3187                 u32 move_amount = 0;
3188
3189                 // Set this number to a positive value to generate a move action
3190                 // from s to the next inventory ring.
3191                 u32 shift_move_amount = 0;
3192
3193                 // Set this number to a positive value to generate a drop action
3194                 // from m_selected_item.
3195                 u32 drop_amount = 0;
3196
3197                 // Set this number to a positive value to generate a craft action at s.
3198                 u32 craft_amount = 0;
3199
3200                 if (updown == 0) {
3201                         // Some mouse button has been pressed
3202
3203                         //infostream<<"Mouse button "<<button<<" pressed at p=("
3204                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3205
3206                         m_selected_dragging = false;
3207
3208                         if (s.isValid() && s.listname == "craftpreview") {
3209                                 // Craft preview has been clicked: craft
3210                                 craft_amount = (button == 2 ? 10 : 1);
3211                         } else if (m_selected_item == NULL) {
3212                                 if (s_count != 0) {
3213                                         // Non-empty stack has been clicked: select or shift-move it
3214                                         m_selected_item = new ItemSpec(s);
3215
3216                                         u32 count;
3217                                         if (button == 1)  // right
3218                                                 count = (s_count + 1) / 2;
3219                                         else if (button == 2)  // middle
3220                                                 count = MYMIN(s_count, 10);
3221                                         else  // left
3222                                                 count = s_count;
3223
3224                                         if (!event.MouseInput.Shift) {
3225                                                 // no shift: select item
3226                                                 m_selected_amount = count;
3227                                                 m_selected_dragging = true;
3228                                                 m_rmouse_auto_place = false;
3229                                         } else {
3230                                                 // shift pressed: move item
3231                                                 if (button != 1)
3232                                                         shift_move_amount = count;
3233                                                 else // count of 1 at left click like after drag & drop
3234                                                         shift_move_amount = 1;
3235                                         }
3236                                 }
3237                         } else { // m_selected_item != NULL
3238                                 assert(m_selected_amount >= 1);
3239
3240                                 if (s.isValid()) {
3241                                         // Clicked a slot: move
3242                                         if (button == 1)  // right
3243                                                 move_amount = 1;
3244                                         else if (button == 2)  // middle
3245                                                 move_amount = MYMIN(m_selected_amount, 10);
3246                                         else  // left
3247                                                 move_amount = m_selected_amount;
3248
3249                                         if (identical) {
3250                                                 if (move_amount >= m_selected_amount)
3251                                                         m_selected_amount = 0;
3252                                                 else
3253                                                         m_selected_amount -= move_amount;
3254                                                 move_amount = 0;
3255                                         }
3256                                 }
3257                                 else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
3258                                         // Clicked outside of the window: drop
3259                                         if (button == 1)  // right
3260                                                 drop_amount = 1;
3261                                         else if (button == 2)  // middle
3262                                                 drop_amount = MYMIN(m_selected_amount, 10);
3263                                         else  // left
3264                                                 drop_amount = m_selected_amount;
3265                                 }
3266                         }
3267                 }
3268                 else if (updown == 1) {
3269                         // Some mouse button has been released
3270
3271                         //infostream<<"Mouse button "<<button<<" released at p=("
3272                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3273
3274                         if (m_selected_item != NULL && m_selected_dragging && s.isValid()) {
3275                                 if (!identical) {
3276                                         // Dragged to different slot: move all selected
3277                                         move_amount = m_selected_amount;
3278                                 }
3279                         } else if (m_selected_item != NULL && m_selected_dragging &&
3280                                         !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
3281                                 // Dragged outside of window: drop all selected
3282                                 drop_amount = m_selected_amount;
3283                         }
3284
3285                         m_selected_dragging = false;
3286                         // Keep count of how many times right mouse button has been
3287                         // clicked. One click is drag without dropping. Click + release
3288                         // + click changes to drop one item when moved mode
3289                         if (button == 1 && m_selected_item != NULL)
3290                                 m_rmouse_auto_place = !m_rmouse_auto_place;
3291                 } else if (updown == -1) {
3292                         // Mouse has been moved and rmb is down and mouse pointer just
3293                         // entered a new inventory field (checked in the entry-if, this
3294                         // is the only action here that is generated by mouse movement)
3295                         if (m_selected_item != NULL && s.isValid()) {
3296                                 // Move 1 item
3297                                 // TODO: middle mouse to move 10 items might be handy
3298                                 if (m_rmouse_auto_place) {
3299                                         // Only move an item if the destination slot is empty
3300                                         // or contains the same item type as what is going to be
3301                                         // moved
3302                                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3303                                         InventoryList *list_to = list_s;
3304                                         assert(list_from && list_to);
3305                                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3306                                         ItemStack stack_to = list_to->getItem(s.i);
3307                                         if (stack_to.empty() || stack_to.name == stack_from.name)
3308                                                 move_amount = 1;
3309                                 }
3310                         }
3311                 }
3312
3313                 // Possibly send inventory action to server
3314                 if (move_amount > 0) {
3315                         // Send IACTION_MOVE
3316
3317                         assert(m_selected_item && m_selected_item->isValid());
3318                         assert(s.isValid());
3319
3320                         assert(inv_selected && inv_s);
3321                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3322                         InventoryList *list_to = list_s;
3323                         assert(list_from && list_to);
3324                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3325                         ItemStack stack_to = list_to->getItem(s.i);
3326
3327                         // Check how many items can be moved
3328                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
3329                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
3330                         // If source stack cannot be added to destination stack at all,
3331                         // they are swapped
3332                         if ((leftover.count == stack_from.count) &&
3333                                         (leftover.name == stack_from.name)) {
3334                                 m_selected_amount = stack_to.count;
3335                                 // In case the server doesn't directly swap them but instead
3336                                 // moves stack_to somewhere else, set this
3337                                 m_selected_content_guess = stack_to;
3338                                 m_selected_content_guess_inventory = s.inventoryloc;
3339                         }
3340                         // Source stack goes fully into destination stack
3341                         else if (leftover.empty()) {
3342                                 m_selected_amount -= move_amount;
3343                                 m_selected_content_guess = ItemStack(); // Clear
3344                         }
3345                         // Source stack goes partly into destination stack
3346                         else {
3347                                 move_amount -= leftover.count;
3348                                 m_selected_amount -= move_amount;
3349                                 m_selected_content_guess = ItemStack(); // Clear
3350                         }
3351
3352                         infostream << "Handing IACTION_MOVE to manager" << std::endl;
3353                         IMoveAction *a = new IMoveAction();
3354                         a->count = move_amount;
3355                         a->from_inv = m_selected_item->inventoryloc;
3356                         a->from_list = m_selected_item->listname;
3357                         a->from_i = m_selected_item->i;
3358                         a->to_inv = s.inventoryloc;
3359                         a->to_list = s.listname;
3360                         a->to_i = s.i;
3361                         m_invmgr->inventoryAction(a);
3362                 } else if (shift_move_amount > 0) {
3363                         u32 mis = m_inventory_rings.size();
3364                         u32 i = 0;
3365                         for (; i < mis; i++) {
3366                                 const ListRingSpec &sp = m_inventory_rings[i];
3367                                 if (sp.inventoryloc == s.inventoryloc
3368                                                 && sp.listname == s.listname)
3369                                         break;
3370                         }
3371                         do {
3372                                 if (i >= mis) // if not found
3373                                         break;
3374                                 u32 to_inv_ind = (i + 1) % mis;
3375                                 const ListRingSpec &to_inv_sp = m_inventory_rings[to_inv_ind];
3376                                 InventoryList *list_from = list_s;
3377                                 if (!s.isValid())
3378                                         break;
3379                                 Inventory *inv_to = m_invmgr->getInventory(to_inv_sp.inventoryloc);
3380                                 if (!inv_to)
3381                                         break;
3382                                 InventoryList *list_to = inv_to->getList(to_inv_sp.listname);
3383                                 if (!list_to)
3384                                         break;
3385                                 ItemStack stack_from = list_from->getItem(s.i);
3386                                 assert(shift_move_amount <= stack_from.count);
3387
3388                                 // find a place (or more than one) to add the new item
3389                                 u32 ilt_size = list_to->getSize();
3390                                 ItemStack leftover;
3391                                 for (u32 slot_to = 0; slot_to < ilt_size
3392                                                 && shift_move_amount > 0; slot_to++) {
3393                                         list_to->itemFits(slot_to, stack_from, &leftover);
3394                                         if (leftover.count < stack_from.count) {
3395                                                 infostream << "Handing IACTION_MOVE to manager" << std::endl;
3396                                                 IMoveAction *a = new IMoveAction();
3397                                                 a->count = MYMIN(shift_move_amount,
3398                                                         (u32) (stack_from.count - leftover.count));
3399                                                 shift_move_amount -= a->count;
3400                                                 a->from_inv = s.inventoryloc;
3401                                                 a->from_list = s.listname;
3402                                                 a->from_i = s.i;
3403                                                 a->to_inv = to_inv_sp.inventoryloc;
3404                                                 a->to_list = to_inv_sp.listname;
3405                                                 a->to_i = slot_to;
3406                                                 m_invmgr->inventoryAction(a);
3407                                                 stack_from = leftover;
3408                                         }
3409                                 }
3410                         } while (0);
3411
3412                 } else if (drop_amount > 0) {
3413                         m_selected_content_guess = ItemStack(); // Clear
3414
3415                         // Send IACTION_DROP
3416
3417                         assert(m_selected_item && m_selected_item->isValid());
3418                         assert(inv_selected);
3419                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3420                         assert(list_from);
3421                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3422
3423                         // Check how many items can be dropped
3424                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
3425                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
3426                         m_selected_amount -= drop_amount;
3427
3428                         infostream << "Handing IACTION_DROP to manager" << std::endl;
3429                         IDropAction *a = new IDropAction();
3430                         a->count = drop_amount;
3431                         a->from_inv = m_selected_item->inventoryloc;
3432                         a->from_list = m_selected_item->listname;
3433                         a->from_i = m_selected_item->i;
3434                         m_invmgr->inventoryAction(a);
3435                 } else if (craft_amount > 0) {
3436                         m_selected_content_guess = ItemStack(); // Clear
3437
3438                         // Send IACTION_CRAFT
3439
3440                         assert(s.isValid());
3441                         assert(inv_s);
3442
3443                         infostream << "Handing IACTION_CRAFT to manager" << std::endl;
3444                         ICraftAction *a = new ICraftAction();
3445                         a->count = craft_amount;
3446                         a->craft_inv = s.inventoryloc;
3447                         m_invmgr->inventoryAction(a);
3448                 }
3449
3450                 // If m_selected_amount has been decreased to zero, deselect
3451                 if (m_selected_amount == 0) {
3452                         delete m_selected_item;
3453                         m_selected_item = NULL;
3454                         m_selected_amount = 0;
3455                         m_selected_dragging = false;
3456                         m_selected_content_guess = ItemStack();
3457                 }
3458                 m_old_pointer = m_pointer;
3459         }
3460         if (event.EventType == EET_GUI_EVENT) {
3461
3462                 if (event.GUIEvent.EventType == gui::EGET_TAB_CHANGED
3463                                 && isVisible()) {
3464                         // find the element that was clicked
3465                         for (unsigned int i=0; i<m_fields.size(); i++) {
3466                                 FieldSpec &s = m_fields[i];
3467                                 if ((s.ftype == f_TabHeader) &&
3468                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3469                                         s.send = true;
3470                                         acceptInput();
3471                                         s.send = false;
3472                                         return true;
3473                                 }
3474                         }
3475                 }
3476                 if (event.GUIEvent.EventType == gui::EGET_ELEMENT_FOCUS_LOST
3477                                 && isVisible()) {
3478                         if (!canTakeFocus(event.GUIEvent.Element)) {
3479                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
3480                                                 <<std::endl;
3481                                 // Returning true disables focus change
3482                                 return true;
3483                         }
3484                 }
3485                 if ((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
3486                                 (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
3487                                 (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
3488                                 (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
3489                         unsigned int btn_id = event.GUIEvent.Caller->getID();
3490
3491                         if (btn_id == 257) {
3492                                 if (m_allowclose) {
3493                                         acceptInput(quit_mode_accept);
3494                                         quitMenu();
3495                                 } else {
3496                                         acceptInput();
3497                                         m_text_dst->gotText(L"ExitButton");
3498                                 }
3499                                 // quitMenu deallocates menu
3500                                 return true;
3501                         }
3502
3503                         // find the element that was clicked
3504                         for (u32 i = 0; i < m_fields.size(); i++) {
3505                                 FieldSpec &s = m_fields[i];
3506                                 // if its a button, set the send field so
3507                                 // lua knows which button was pressed
3508                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
3509                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3510                                         s.send = true;
3511                                         if (s.is_exit) {
3512                                                 if (m_allowclose) {
3513                                                         acceptInput(quit_mode_accept);
3514                                                         quitMenu();
3515                                                 } else {
3516                                                         m_text_dst->gotText(L"ExitButton");
3517                                                 }
3518                                                 return true;
3519                                         } else {
3520                                                 acceptInput(quit_mode_no);
3521                                                 s.send = false;
3522                                                 return true;
3523                                         }
3524                                 } else if ((s.ftype == f_DropDown) &&
3525                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3526                                         // only send the changed dropdown
3527                                         for (u32 i = 0; i < m_fields.size(); i++) {
3528                                                 FieldSpec &s2 = m_fields[i];
3529                                                 if (s2.ftype == f_DropDown) {
3530                                                         s2.send = false;
3531                                                 }
3532                                         }
3533                                         s.send = true;
3534                                         acceptInput(quit_mode_no);
3535
3536                                         // revert configuration to make sure dropdowns are sent on
3537                                         // regular button click
3538                                         for (u32 i = 0; i < m_fields.size(); i++) {
3539                                                 FieldSpec &s2 = m_fields[i];
3540                                                 if (s2.ftype == f_DropDown) {
3541                                                         s2.send = true;
3542                                                 }
3543                                         }
3544                                         return true;
3545                                 } else if ((s.ftype == f_ScrollBar) &&
3546                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3547                                         s.fdefault = L"Changed";
3548                                         acceptInput(quit_mode_no);
3549                                         s.fdefault = L"";
3550                                 }
3551                         }
3552                 }
3553
3554                 if (event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
3555                         if (event.GUIEvent.Caller->getID() > 257) {
3556
3557                                 if (m_allowclose) {
3558                                         acceptInput(quit_mode_accept);
3559                                         quitMenu();
3560                                 } else {
3561                                         current_keys_pending.key_enter = true;
3562                                         acceptInput();
3563                                 }
3564                                 // quitMenu deallocates menu
3565                                 return true;
3566                         }
3567                 }
3568
3569                 if (event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
3570                         int current_id = event.GUIEvent.Caller->getID();
3571                         if (current_id > 257) {
3572                                 // find the element that was clicked
3573                                 for (u32 i = 0; i < m_fields.size(); i++) {
3574                                         FieldSpec &s = m_fields[i];
3575                                         // if it's a table, set the send field
3576                                         // so lua knows which table was changed
3577                                         if ((s.ftype == f_Table) && (s.fid == current_id)) {
3578                                                 s.send = true;
3579                                                 acceptInput();
3580                                                 s.send=false;
3581                                         }
3582                                 }
3583                                 return true;
3584                         }
3585                 }
3586         }
3587
3588         return Parent ? Parent->OnEvent(event) : false;
3589 }
3590
3591 /**
3592  * get name of element by element id
3593  * @param id of element
3594  * @return name string or empty string
3595  */
3596 std::string GUIFormSpecMenu::getNameByID(s32 id)
3597 {
3598         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3599                                 iter != m_fields.end(); iter++) {
3600                 if (iter->fid == id) {
3601                         return iter->fname;
3602                 }
3603         }
3604         return "";
3605 }
3606
3607 /**
3608  * get label of element by id
3609  * @param id of element
3610  * @return label string or empty string
3611  */
3612 std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
3613 {
3614         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3615                                 iter != m_fields.end(); iter++) {
3616                 if (iter->fid == id) {
3617                         return iter->flabel;
3618                 }
3619         }
3620         return L"";
3621 }