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 "tile.h" // ITextureSource
  41 #include "hud.h" // drawItemStack
  42 #include "hex.h"
  43 #include "util/string.h"
  44 #include "util/numeric.h"
  45 #include "filesys.h"
  46 #include "gettime.h"
  47 #include "gettext.h"
  48 #include "scripting_game.h"
  49 #include "porting.h"
  50 #include "main.h"
  51 #include "settings.h"
  52 #include "client.h"
  53 #include "util/string.h" // for parseColorString()
  54
  55 #define MY_CHECKPOS(a,b)                                                                                                        \
  56         if (v_pos.size() != 2) {                                                                                                \
  57                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  58                         << parts[b] << "\"" << std::endl;                                                               \
  59                         return;                                                                                                                 \
  60         }
  61
  62 #define MY_CHECKGEOM(a,b)                                                                                                       \
  63         if (v_geom.size() != 2) {                                                                                               \
  64                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  65                         << parts[b] << "\"" << std::endl;                                                               \
  66                         return;                                                                                                                 \
  67         }
  68 /*
  69         GUIFormSpecMenu
  70 */
  71 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
  72                 gui::IGUIElement* parent, s32 id, IMenuManager *menumgr,
  73                 InventoryManager *invmgr, IGameDef *gamedef,
  74                 ISimpleTextureSource *tsrc, IFormSource* fsrc, TextDest* tdst,
  75                 Client* client) :
  76         GUIModalMenu(dev->getGUIEnvironment(), parent, id, menumgr),
  77         m_device(dev),
  78         m_invmgr(invmgr),
  79         m_gamedef(gamedef),
  80         m_tsrc(tsrc),
  81         m_client(client),
  82         m_selected_item(NULL),
  83         m_selected_amount(0),
  84         m_selected_dragging(false),
  85         m_tooltip_element(NULL),
  86         m_hovered_time(0),
  87         m_old_tooltip_id(-1),
  88         m_allowclose(true),
  89         m_lock(false),
  90         m_form_src(fsrc),
  91         m_text_dst(tdst),
  92         m_font(dev->getGUIEnvironment()->getSkin()->getFont()),
  93         m_formspec_version(0)
  94 #ifdef __ANDROID__
  95         ,m_JavaDialogFieldName(L"")
  96 #endif
  97 {
  98         current_keys_pending.key_down = false;
  99         current_keys_pending.key_up = false;
 100         current_keys_pending.key_enter = false;
 101         current_keys_pending.key_escape = false;
 102
 103         m_doubleclickdetect[0].time = 0;
 104         m_doubleclickdetect[1].time = 0;
 105
 106         m_doubleclickdetect[0].pos = v2s32(0, 0);
 107         m_doubleclickdetect[1].pos = v2s32(0, 0);
 108
 109         m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
 110
 111         m_btn_height = g_settings->getS32("font_size") +2;
 112         assert(m_btn_height > 0);
 113 }
 114
 115 GUIFormSpecMenu::~GUIFormSpecMenu()
 116 {
 117         removeChildren();
 118
 119         for (u32 i = 0; i < m_tables.size(); ++i) {
 120                 GUITable *table = m_tables[i].second;
 121                 table->drop();
 122         }
 123
 124         delete m_selected_item;
 125
 126         if (m_form_src != NULL) {
 127                 delete m_form_src;
 128         }
 129         if (m_text_dst != NULL) {
 130                 delete m_text_dst;
 131         }
 132 }
 133
 134 void GUIFormSpecMenu::removeChildren()
 135 {
 136         const core::list<gui::IGUIElement*> &children = getChildren();
 137
 138         while(!children.empty()) {
 139                 (*children.getLast())->remove();
 140         }
 141
 142         if(m_tooltip_element) {
 143                 m_tooltip_element->remove();
 144                 m_tooltip_element->drop();
 145                 m_tooltip_element = NULL;
 146         }
 147
 148 }
 149
 150 void GUIFormSpecMenu::setInitialFocus()
 151 {
 152         // Set initial focus according to following order of precedence:
 153         // 1. first empty editbox
 154         // 2. first editbox
 155         // 3. first table
 156         // 4. last button
 157         // 5. first focusable (not statictext, not tabheader)
 158         // 6. first child element
 159
 160         core::list<gui::IGUIElement*> children = getChildren();
 161
 162         // in case "children" contains any NULL elements, remove them
 163         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 164                         it != children.end();) {
 165                 if (*it)
 166                         ++it;
 167                 else
 168                         it = children.erase(it);
 169         }
 170
 171         // 1. first empty editbox
 172         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 173                         it != children.end(); ++it) {
 174                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
 175                                 && (*it)->getText()[0] == 0) {
 176                         Environment->setFocus(*it);
 177                         return;
 178                 }
 179         }
 180
 181         // 2. first editbox
 182         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 183                         it != children.end(); ++it) {
 184                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
 185                         Environment->setFocus(*it);
 186                         return;
 187                 }
 188         }
 189
 190         // 3. first table
 191         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 192                         it != children.end(); ++it) {
 193                 if ((*it)->getTypeName() == std::string("GUITable")) {
 194                         Environment->setFocus(*it);
 195                         return;
 196                 }
 197         }
 198
 199         // 4. last button
 200         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
 201                         it != children.end(); --it) {
 202                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
 203                         Environment->setFocus(*it);
 204                         return;
 205                 }
 206         }
 207
 208         // 5. first focusable (not statictext, not tabheader)
 209         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 210                         it != children.end(); ++it) {
 211                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
 212                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
 213                         Environment->setFocus(*it);
 214                         return;
 215                 }
 216         }
 217
 218         // 6. first child element
 219         if (children.empty())
 220                 Environment->setFocus(this);
 221         else
 222                 Environment->setFocus(*(children.begin()));
 223 }
 224
 225 GUITable* GUIFormSpecMenu::getTable(std::wstring tablename)
 226 {
 227         for (u32 i = 0; i < m_tables.size(); ++i) {
 228                 if (tablename == m_tables[i].first.fname)
 229                         return m_tables[i].second;
 230         }
 231         return 0;
 232 }
 233
 234 std::vector<std::string> split(const std::string &s, char delim) {
 235         std::vector<std::string> tokens;
 236
 237         std::string current = "";
 238         bool last_was_escape = false;
 239         for(unsigned int i=0; i < s.size(); i++) {
 240                 if (last_was_escape) {
 241                         current += '\\';
 242                         current += s.c_str()[i];
 243                         last_was_escape = false;
 244                 }
 245                 else {
 246                         if (s.c_str()[i] == delim) {
 247                                 tokens.push_back(current);
 248                                 current = "";
 249                                 last_was_escape = false;
 250                         }
 251                         else if (s.c_str()[i] == '\\'){
 252                                 last_was_escape = true;
 253                         }
 254                         else {
 255                                 current += s.c_str()[i];
 256                                 last_was_escape = false;
 257                         }
 258                 }
 259         }
 260         //push last element
 261         tokens.push_back(current);
 262
 263         return tokens;
 264 }
 265
 266 void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
 267 {
 268         std::vector<std::string> parts = split(element,',');
 269
 270         if (((parts.size() == 2) || parts.size() == 3) ||
 271                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 272         {
 273                 v2f invsize;
 274
 275                 if (parts[1].find(';') != std::string::npos)
 276                         parts[1] = parts[1].substr(0,parts[1].find(';'));
 277
 278                 invsize.X = stof(parts[0]);
 279                 invsize.Y = stof(parts[1]);
 280
 281                 lockSize(false);
 282                 if (parts.size() == 3) {
 283                         if (parts[2] == "true") {
 284                                 lockSize(true,v2u32(800,600));
 285                         }
 286                 }
 287
 288                 double cur_scaling = porting::getDisplayDensity() *
 289                                 g_settings->getFloat("gui_scaling");
 290
 291                 if (m_lock) {
 292                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
 293                         v2u32 delta = current_screensize - m_lockscreensize;
 294
 295                         if (current_screensize.Y > m_lockscreensize.Y)
 296                                 delta.Y /= 2;
 297                         else
 298                                 delta.Y = 0;
 299
 300                         if (current_screensize.X > m_lockscreensize.X)
 301                                 delta.X /= 2;
 302                         else
 303                                 delta.X = 0;
 304
 305                         offset = v2s32(delta.X,delta.Y);
 306
 307                         data->screensize = m_lockscreensize;
 308
 309                         // fixed scaling for fixed size gui elements */
 310                         cur_scaling = LEGACY_SCALING;
 311                 }
 312                 else {
 313                         offset = v2s32(0,0);
 314                 }
 315
 316                 /* adjust image size to dpi */
 317                 int y_partition = 15;
 318                 imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 319                 int min_imgsize = DEFAULT_IMGSIZE * cur_scaling;
 320                 while ((min_imgsize > imgsize.Y) && (y_partition > 1)) {
 321                         y_partition--;
 322                         imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 323                 }
 324                 assert(y_partition > 0);
 325
 326                 /* adjust spacing to dpi */
 327                 spacing = v2s32(imgsize.X+(DEFAULT_XSPACING * cur_scaling),
 328                                 imgsize.Y+(DEFAULT_YSPACING * cur_scaling));
 329
 330                 padding = v2s32(data->screensize.Y/imgsize.Y, data->screensize.Y/imgsize.Y);
 331
 332                 /* adjust padding to dpi */
 333                 padding = v2s32(
 334                                 (padding.X/(2.0/3.0)) * cur_scaling,
 335                                 (padding.X/(2.0/3.0)) * cur_scaling
 336                                 );
 337                 data->size = v2s32(
 338                         padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 339                         padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + m_btn_height - 5
 340                 );
 341                 data->rect = core::rect<s32>(
 342                                 data->screensize.X/2 - data->size.X/2 + offset.X,
 343                                 data->screensize.Y/2 - data->size.Y/2 + offset.Y,
 344                                 data->screensize.X/2 + data->size.X/2 + offset.X,
 345                                 data->screensize.Y/2 + data->size.Y/2 + offset.Y
 346                 );
 347
 348                 DesiredRect = data->rect;
 349                 recalculateAbsolutePosition(false);
 350                 data->basepos = getBasePos();
 351                 data->bp_set = 2;
 352                 return;
 353         }
 354         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
 355 }
 356
 357 void GUIFormSpecMenu::parseList(parserData* data,std::string element)
 358 {
 359         if (m_gamedef == 0) {
 360                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
 361                 return;
 362         }
 363
 364         std::vector<std::string> parts = split(element,';');
 365
 366         if (((parts.size() == 4) || (parts.size() == 5)) ||
 367                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 368         {
 369                 std::string location = parts[0];
 370                 std::string listname = parts[1];
 371                 std::vector<std::string> v_pos  = split(parts[2],',');
 372                 std::vector<std::string> v_geom = split(parts[3],',');
 373                 std::string startindex = "";
 374                 if (parts.size() == 5)
 375                         startindex = parts[4];
 376
 377                 MY_CHECKPOS("list",2);
 378                 MY_CHECKGEOM("list",3);
 379
 380                 InventoryLocation loc;
 381
 382                 if(location == "context" || location == "current_name")
 383                         loc = m_current_inventory_location;
 384                 else
 385                         loc.deSerialize(location);
 386
 387                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 388                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 389                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 390
 391                 v2s32 geom;
 392                 geom.X = stoi(v_geom[0]);
 393                 geom.Y = stoi(v_geom[1]);
 394
 395                 s32 start_i = 0;
 396                 if(startindex != "")
 397                         start_i = stoi(startindex);
 398
 399                 if (geom.X < 0 || geom.Y < 0 || start_i < 0) {
 400                         errorstream<< "Invalid list element: '" << element << "'"  << std::endl;
 401                         return;
 402                 }
 403
 404                 if(data->bp_set != 2)
 405                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 406                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 407                 return;
 408         }
 409         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
 410 }
 411
 412 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 413 {
 414         std::vector<std::string> parts = split(element,';');
 415
 416         if (((parts.size() >= 3) || (parts.size() <= 4)) ||
 417                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 418         {
 419                 std::vector<std::string> v_pos = split(parts[0],',');
 420                 std::string name = parts[1];
 421                 std::string label = parts[2];
 422                 std::string selected = "";
 423
 424                 if (parts.size() >= 4)
 425                         selected = parts[3];
 426
 427                 MY_CHECKPOS("checkbox",0);
 428
 429                 v2s32 pos = padding;
 430                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 431                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 432
 433                 bool fselected = false;
 434
 435                 if (selected == "true")
 436                         fselected = true;
 437
 438                 std::wstring wlabel = narrow_to_wide(label.c_str());
 439
 440                 core::rect<s32> rect = core::rect<s32>(
 441                                 pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
 442                                 pos.X + m_font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
 443                                 pos.Y + ((imgsize.Y/2) + m_btn_height));
 444
 445                 FieldSpec spec(
 446                                 narrow_to_wide(name.c_str()),
 447                                 wlabel, //Needed for displaying text on MSVC
 448                                 wlabel,
 449                                 258+m_fields.size()
 450                         );
 451
 452                 spec.ftype = f_CheckBox;
 453
 454                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
 455                                         spec.fid, spec.flabel.c_str());
 456
 457                 if (spec.fname == data->focused_fieldname) {
 458                         Environment->setFocus(e);
 459                 }
 460
 461                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
 462                 m_fields.push_back(spec);
 463                 return;
 464         }
 465         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 466 }
 467
 468 void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
 469 {
 470         std::vector<std::string> parts = split(element,';');
 471
 472         if (parts.size() >= 5) {
 473                 std::vector<std::string> v_pos = split(parts[0],',');
 474                 std::vector<std::string> v_dim = split(parts[1],',');
 475                 std::string name = parts[2];
 476                 std::string value = parts[4];
 477
 478                 MY_CHECKPOS("scrollbar",0);
 479
 480                 v2s32 pos = padding;
 481                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 482                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 483
 484                 if (v_dim.size() != 2) {
 485                         errorstream<< "Invalid size for element " << "scrollbar"
 486                                 << "specified: \"" << parts[1] << "\"" << std::endl;
 487                         return;
 488                 }
 489
 490                 v2s32 dim;
 491                 dim.X = stof(v_dim[0]) * (float) spacing.X;
 492                 dim.Y = stof(v_dim[1]) * (float) spacing.Y;
 493
 494                 core::rect<s32> rect =
 495                                 core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
 496
 497                 FieldSpec spec(
 498                                 narrow_to_wide(name.c_str()),
 499                                 L"",
 500                                 L"",
 501                                 258+m_fields.size()
 502                         );
 503
 504                 bool is_horizontal = true;
 505
 506                 if (parts[2] == "vertical")
 507                         is_horizontal = false;
 508
 509                 spec.ftype = f_ScrollBar;
 510                 spec.send  = true;
 511                 gui::IGUIScrollBar* e =
 512                                 Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
 513
 514                 e->setMax(1000);
 515                 e->setMin(0);
 516                 e->setPos(stoi(parts[4]));
 517                 e->setSmallStep(10);
 518                 e->setLargeStep(100);
 519
 520                 if (!m_lock) {
 521                         core::rect<s32> relative_rect = e->getRelativePosition();
 522
 523                         if (!is_horizontal) {
 524                                 s32 original_width = relative_rect.getWidth();
 525                                 s32 width = (original_width/(2.0/3.0))
 526                                                 * porting::getDisplayDensity()
 527                                                 * g_settings->getFloat("gui_scaling");
 528                                 e->setRelativePosition(core::rect<s32>(
 529                                                 relative_rect.UpperLeftCorner.X,
 530                                                 relative_rect.UpperLeftCorner.Y,
 531                                                 relative_rect.LowerRightCorner.X + (width - original_width),
 532                                                 relative_rect.LowerRightCorner.Y
 533                                         ));
 534                         }
 535                         else  {
 536                                 s32 original_height = relative_rect.getHeight();
 537                                 s32 height = (original_height/(2.0/3.0))
 538                                                 * porting::getDisplayDensity()
 539                                                 * g_settings->getFloat("gui_scaling");
 540                                 e->setRelativePosition(core::rect<s32>(
 541                                                 relative_rect.UpperLeftCorner.X,
 542                                                 relative_rect.UpperLeftCorner.Y,
 543                                                 relative_rect.LowerRightCorner.X,
 544                                                 relative_rect.LowerRightCorner.Y + (height - original_height)
 545                                         ));
 546                         }
 547                 }
 548
 549                 m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
 550                 m_fields.push_back(spec);
 551                 return;
 552         }
 553         errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
 554 }
 555
 556 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
 557 {
 558         std::vector<std::string> parts = split(element,';');
 559
 560         if ((parts.size() == 3) ||
 561                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 562         {
 563                 std::vector<std::string> v_pos = split(parts[0],',');
 564                 std::vector<std::string> v_geom = split(parts[1],',');
 565                 std::string name = unescape_string(parts[2]);
 566
 567                 MY_CHECKPOS("image",0);
 568                 MY_CHECKGEOM("image",1);
 569
 570                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 571                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 572                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 573
 574                 v2s32 geom;
 575                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 576                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 577
 578                 if(data->bp_set != 2)
 579                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 580                 m_images.push_back(ImageDrawSpec(name, pos, geom));
 581                 return;
 582         }
 583
 584         if (parts.size() == 2) {
 585                 std::vector<std::string> v_pos = split(parts[0],',');
 586                 std::string name = unescape_string(parts[1]);
 587
 588                 MY_CHECKPOS("image",0);
 589
 590                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 591                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 592                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 593
 594                 if(data->bp_set != 2)
 595                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 596                 m_images.push_back(ImageDrawSpec(name, pos));
 597                 return;
 598         }
 599         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
 600 }
 601
 602 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
 603 {
 604         std::vector<std::string> parts = split(element,';');
 605
 606         if ((parts.size() == 3) ||
 607                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 608         {
 609                 std::vector<std::string> v_pos = split(parts[0],',');
 610                 std::vector<std::string> v_geom = split(parts[1],',');
 611                 std::string name = parts[2];
 612
 613                 MY_CHECKPOS("itemimage",0);
 614                 MY_CHECKGEOM("itemimage",1);
 615
 616                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 617                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 618                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 619
 620                 v2s32 geom;
 621                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 622                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 623
 624                 if(data->bp_set != 2)
 625                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 626                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 627                 return;
 628         }
 629         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
 630 }
 631
 632 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 633                 std::string type)
 634 {
 635         std::vector<std::string> parts = split(element,';');
 636
 637         if ((parts.size() == 4) ||
 638                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 639         {
 640                 std::vector<std::string> v_pos = split(parts[0],',');
 641                 std::vector<std::string> v_geom = split(parts[1],',');
 642                 std::string name = parts[2];
 643                 std::string label = parts[3];
 644
 645                 MY_CHECKPOS("button",0);
 646                 MY_CHECKGEOM("button",1);
 647
 648                 v2s32 pos = padding;
 649                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 650                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 651
 652                 v2s32 geom;
 653                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 654                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 655
 656                 core::rect<s32> rect =
 657                                 core::rect<s32>(pos.X, pos.Y - m_btn_height,
 658                                                 pos.X + geom.X, pos.Y + m_btn_height);
 659
 660                 if(data->bp_set != 2)
 661                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 662
 663                 label = unescape_string(label);
 664
 665                 std::wstring wlabel = narrow_to_wide(label.c_str());
 666
 667                 FieldSpec spec(
 668                         narrow_to_wide(name.c_str()),
 669                         wlabel,
 670                         L"",
 671                         258+m_fields.size()
 672                 );
 673                 spec.ftype = f_Button;
 674                 if(type == "button_exit")
 675                         spec.is_exit = true;
 676                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
 677                                 spec.flabel.c_str());
 678
 679                 if (spec.fname == data->focused_fieldname) {
 680                         Environment->setFocus(e);
 681                 }
 682
 683                 m_fields.push_back(spec);
 684                 return;
 685         }
 686         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
 687 }
 688
 689 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
 690 {
 691         std::vector<std::string> parts = split(element,';');
 692
 693         if (((parts.size() == 3) || (parts.size() == 4)) ||
 694                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 695         {
 696                 std::vector<std::string> v_pos = split(parts[0],',');
 697                 std::vector<std::string> v_geom = split(parts[1],',');
 698                 std::string name = unescape_string(parts[2]);
 699
 700                 MY_CHECKPOS("background",0);
 701                 MY_CHECKGEOM("background",1);
 702
 703                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 704                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 705                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 706
 707                 v2s32 geom;
 708                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 709                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 710
 711                 if (parts.size() == 4) {
 712                         m_clipbackground = is_yes(parts[3]);
 713                         if (m_clipbackground) {
 714                                 pos.X = stoi(v_pos[0]); //acts as offset
 715                                 pos.Y = stoi(v_pos[1]); //acts as offset
 716                         }
 717                 }
 718
 719                 if(data->bp_set != 2)
 720                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 721                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 722                 return;
 723         }
 724         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
 725 }
 726
 727 void GUIFormSpecMenu::parseTableOptions(parserData* data,std::string element)
 728 {
 729         std::vector<std::string> parts = split(element,';');
 730
 731         data->table_options.clear();
 732         for (size_t i = 0; i < parts.size(); ++i) {
 733                 // Parse table option
 734                 std::string opt = unescape_string(parts[i]);
 735                 data->table_options.push_back(GUITable::splitOption(opt));
 736         }
 737 }
 738
 739 void GUIFormSpecMenu::parseTableColumns(parserData* data,std::string element)
 740 {
 741         std::vector<std::string> parts = split(element,';');
 742
 743         data->table_columns.clear();
 744         for (size_t i = 0; i < parts.size(); ++i) {
 745                 std::vector<std::string> col_parts = split(parts[i],',');
 746                 GUITable::TableColumn column;
 747                 // Parse column type
 748                 if (!col_parts.empty())
 749                         column.type = col_parts[0];
 750                 // Parse column options
 751                 for (size_t j = 1; j < col_parts.size(); ++j) {
 752                         std::string opt = unescape_string(col_parts[j]);
 753                         column.options.push_back(GUITable::splitOption(opt));
 754                 }
 755                 data->table_columns.push_back(column);
 756         }
 757 }
 758
 759 void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 760 {
 761         std::vector<std::string> parts = split(element,';');
 762
 763         if (((parts.size() == 4) || (parts.size() == 5)) ||
 764                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 765         {
 766                 std::vector<std::string> v_pos = split(parts[0],',');
 767                 std::vector<std::string> v_geom = split(parts[1],',');
 768                 std::string name = parts[2];
 769                 std::vector<std::string> items = split(parts[3],',');
 770                 std::string str_initial_selection = "";
 771                 std::string str_transparent = "false";
 772
 773                 if (parts.size() >= 5)
 774                         str_initial_selection = parts[4];
 775
 776                 MY_CHECKPOS("table",0);
 777                 MY_CHECKGEOM("table",1);
 778
 779                 v2s32 pos = padding;
 780                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 781                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 782
 783                 v2s32 geom;
 784                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 785                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 786
 787
 788                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 789
 790                 std::wstring fname_w = narrow_to_wide(name.c_str());
 791
 792                 FieldSpec spec(
 793                         fname_w,
 794                         L"",
 795                         L"",
 796                         258+m_fields.size()
 797                 );
 798
 799                 spec.ftype = f_Table;
 800
 801                 for (unsigned int i = 0; i < items.size(); ++i) {
 802                         items[i] = unescape_string(items[i]);
 803                 }
 804
 805                 //now really show table
 806                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 807                                 m_tsrc);
 808
 809                 if (spec.fname == data->focused_fieldname) {
 810                         Environment->setFocus(e);
 811                 }
 812
 813                 e->setTable(data->table_options, data->table_columns, items);
 814
 815                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 816                         e->setDynamicData(data->table_dyndata[fname_w]);
 817                 }
 818
 819                 if ((str_initial_selection != "") &&
 820                                 (str_initial_selection != "0"))
 821                         e->setSelected(stoi(str_initial_selection.c_str()));
 822
 823                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 824                 m_fields.push_back(spec);
 825                 return;
 826         }
 827         errorstream<< "Invalid table element(" << parts.size() << "): '" << element << "'"  << std::endl;
 828 }
 829
 830 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 831 {
 832         std::vector<std::string> parts = split(element,';');
 833
 834         if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
 835                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
 836         {
 837                 std::vector<std::string> v_pos = split(parts[0],',');
 838                 std::vector<std::string> v_geom = split(parts[1],',');
 839                 std::string name = parts[2];
 840                 std::vector<std::string> items = split(parts[3],',');
 841                 std::string str_initial_selection = "";
 842                 std::string str_transparent = "false";
 843
 844                 if (parts.size() >= 5)
 845                         str_initial_selection = parts[4];
 846
 847                 if (parts.size() >= 6)
 848                         str_transparent = parts[5];
 849
 850                 MY_CHECKPOS("textlist",0);
 851                 MY_CHECKGEOM("textlist",1);
 852
 853                 v2s32 pos = padding;
 854                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 855                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 856
 857                 v2s32 geom;
 858                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 859                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 860
 861
 862                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 863
 864                 std::wstring fname_w = narrow_to_wide(name.c_str());
 865
 866                 FieldSpec spec(
 867                         fname_w,
 868                         L"",
 869                         L"",
 870                         258+m_fields.size()
 871                 );
 872
 873                 spec.ftype = f_Table;
 874
 875                 for (unsigned int i = 0; i < items.size(); ++i) {
 876                         items[i] = unescape_string(items[i]);
 877                 }
 878
 879                 //now really show list
 880                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 881                                 m_tsrc);
 882
 883                 if (spec.fname == data->focused_fieldname) {
 884                         Environment->setFocus(e);
 885                 }
 886
 887                 e->setTextList(items, is_yes(str_transparent));
 888
 889                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 890                         e->setDynamicData(data->table_dyndata[fname_w]);
 891                 }
 892
 893                 if ((str_initial_selection != "") &&
 894                                 (str_initial_selection != "0"))
 895                         e->setSelected(stoi(str_initial_selection.c_str()));
 896
 897                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 898                 m_fields.push_back(spec);
 899                 return;
 900         }
 901         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
 902 }
 903
 904
 905 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 906 {
 907         std::vector<std::string> parts = split(element,';');
 908
 909         if ((parts.size() == 5) ||
 910                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 911         {
 912                 std::vector<std::string> v_pos = split(parts[0],',');
 913                 std::string name = parts[2];
 914                 std::vector<std::string> items = split(parts[3],',');
 915                 std::string str_initial_selection = "";
 916                 str_initial_selection = parts[4];
 917
 918                 MY_CHECKPOS("dropdown",0);
 919
 920                 v2s32 pos = padding;
 921                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 922                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 923
 924                 s32 width = stof(parts[1]) * (float)spacing.Y;
 925
 926                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
 927                                 pos.X + width, pos.Y + (m_btn_height * 2));
 928
 929                 std::wstring fname_w = narrow_to_wide(name.c_str());
 930
 931                 FieldSpec spec(
 932                         fname_w,
 933                         L"",
 934                         L"",
 935                         258+m_fields.size()
 936                 );
 937
 938                 spec.ftype = f_DropDown;
 939                 spec.send = true;
 940
 941                 //now really show list
 942                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
 943
 944                 if (spec.fname == data->focused_fieldname) {
 945                         Environment->setFocus(e);
 946                 }
 947
 948                 for (unsigned int i=0; i < items.size(); i++) {
 949                         e->addItem(narrow_to_wide(items[i]).c_str());
 950                 }
 951
 952                 if (str_initial_selection != "")
 953                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 954
 955                 m_fields.push_back(spec);
 956                 return;
 957         }
 958         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
 959                                 << element << "'"  << std::endl;
 960 }
 961
 962 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 963 {
 964         std::vector<std::string> parts = split(element,';');
 965
 966         if ((parts.size() == 4) ||
 967                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 968         {
 969                 std::vector<std::string> v_pos = split(parts[0],',');
 970                 std::vector<std::string> v_geom = split(parts[1],',');
 971                 std::string name = parts[2];
 972                 std::string label = parts[3];
 973
 974                 MY_CHECKPOS("pwdfield",0);
 975                 MY_CHECKGEOM("pwdfield",1);
 976
 977                 v2s32 pos;
 978                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 979                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 980
 981                 v2s32 geom;
 982                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 983
 984                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 985                 pos.Y -= m_btn_height;
 986                 geom.Y = m_btn_height*2;
 987
 988                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 989
 990                 label = unescape_string(label);
 991
 992                 std::wstring wlabel = narrow_to_wide(label.c_str());
 993
 994                 FieldSpec spec(
 995                         narrow_to_wide(name.c_str()),
 996                         wlabel,
 997                         L"",
 998                         258+m_fields.size()
 999                         );
1000
1001                 spec.send = true;
1002                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
1003
1004                 if (spec.fname == data->focused_fieldname) {
1005                         Environment->setFocus(e);
1006                 }
1007
1008                 if (label.length() >= 1)
1009                 {
1010                         rect.UpperLeftCorner.Y -= m_btn_height;
1011                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1012                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1013                 }
1014
1015                 e->setPasswordBox(true,L'*');
1016
1017                 irr::SEvent evt;
1018                 evt.EventType            = EET_KEY_INPUT_EVENT;
1019                 evt.KeyInput.Key         = KEY_END;
1020                 evt.KeyInput.Char        = 0;
1021                 evt.KeyInput.Control     = 0;
1022                 evt.KeyInput.Shift       = 0;
1023                 evt.KeyInput.PressedDown = true;
1024                 e->OnEvent(evt);
1025                 m_fields.push_back(spec);
1026                 return;
1027         }
1028         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
1029 }
1030
1031 void GUIFormSpecMenu::parseSimpleField(parserData* data,
1032                 std::vector<std::string> &parts)
1033 {
1034         std::string name = parts[0];
1035         std::string label = parts[1];
1036         std::string default_val = parts[2];
1037
1038         core::rect<s32> rect;
1039
1040         if(!data->bp_set)
1041         {
1042                 rect = core::rect<s32>(
1043                         data->screensize.X/2 - 580/2,
1044                         data->screensize.Y/2 - 300/2,
1045                         data->screensize.X/2 + 580/2,
1046                         data->screensize.Y/2 + 300/2
1047                 );
1048                 DesiredRect = rect;
1049                 recalculateAbsolutePosition(false);
1050                 data->basepos = getBasePos();
1051                 data->bp_set = 1;
1052         }
1053         else if(data->bp_set == 2)
1054                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
1055
1056         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1057         pos.Y = ((m_fields.size()+2)*60);
1058         v2s32 size = DesiredRect.getSize();
1059
1060         rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
1061                         (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
1062
1063
1064         if(m_form_src)
1065                 default_val = m_form_src->resolveText(default_val);
1066
1067         default_val = unescape_string(default_val);
1068         label = unescape_string(label);
1069
1070         std::wstring wlabel = narrow_to_wide(label.c_str());
1071
1072         FieldSpec spec(
1073                 narrow_to_wide(name.c_str()),
1074                 wlabel,
1075                 narrow_to_wide(default_val.c_str()),
1076                 258+m_fields.size()
1077         );
1078
1079         if (name == "")
1080         {
1081                 // spec field id to 0, this stops submit searching for a value that isn't there
1082                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1083         }
1084         else
1085         {
1086                 spec.send = true;
1087                 gui::IGUIEditBox *e =
1088                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1089
1090                 if (spec.fname == data->focused_fieldname) {
1091                         Environment->setFocus(e);
1092                 }
1093
1094                 irr::SEvent evt;
1095                 evt.EventType            = EET_KEY_INPUT_EVENT;
1096                 evt.KeyInput.Key         = KEY_END;
1097                 evt.KeyInput.Char        = 0;
1098                 evt.KeyInput.Control     = 0;
1099                 evt.KeyInput.Shift       = 0;
1100                 evt.KeyInput.PressedDown = true;
1101                 e->OnEvent(evt);
1102
1103                 if (label.length() >= 1)
1104                 {
1105                         rect.UpperLeftCorner.Y -= m_btn_height;
1106                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1107                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1108                 }
1109         }
1110
1111         m_fields.push_back(spec);
1112 }
1113
1114 void GUIFormSpecMenu::parseTextArea(parserData* data,
1115                 std::vector<std::string>& parts,std::string type)
1116 {
1117
1118         std::vector<std::string> v_pos = split(parts[0],',');
1119         std::vector<std::string> v_geom = split(parts[1],',');
1120         std::string name = parts[2];
1121         std::string label = parts[3];
1122         std::string default_val = parts[4];
1123
1124         MY_CHECKPOS(type,0);
1125         MY_CHECKGEOM(type,1);
1126
1127         v2s32 pos;
1128         pos.X = stof(v_pos[0]) * (float) spacing.X;
1129         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
1130
1131         v2s32 geom;
1132
1133         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1134
1135         if (type == "textarea")
1136         {
1137                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
1138                 pos.Y += m_btn_height;
1139         }
1140         else
1141         {
1142                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
1143                 pos.Y -= m_btn_height;
1144                 geom.Y = m_btn_height*2;
1145         }
1146
1147         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1148
1149         if(data->bp_set != 2)
1150                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
1151
1152         if(m_form_src)
1153                 default_val = m_form_src->resolveText(default_val);
1154
1155
1156         default_val = unescape_string(default_val);
1157         label = unescape_string(label);
1158
1159         std::wstring wlabel = narrow_to_wide(label.c_str());
1160
1161         FieldSpec spec(
1162                 narrow_to_wide(name.c_str()),
1163                 wlabel,
1164                 narrow_to_wide(default_val.c_str()),
1165                 258+m_fields.size()
1166         );
1167
1168         if (name == "")
1169         {
1170                 // spec field id to 0, this stops submit searching for a value that isn't there
1171                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1172         }
1173         else
1174         {
1175                 spec.send = true;
1176                 gui::IGUIEditBox *e =
1177                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1178
1179                 if (spec.fname == data->focused_fieldname) {
1180                         Environment->setFocus(e);
1181                 }
1182
1183                 if (type == "textarea")
1184                 {
1185                         e->setMultiLine(true);
1186                         e->setWordWrap(true);
1187                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1188                 } else {
1189                         irr::SEvent evt;
1190                         evt.EventType            = EET_KEY_INPUT_EVENT;
1191                         evt.KeyInput.Key         = KEY_END;
1192                         evt.KeyInput.Char        = 0;
1193                         evt.KeyInput.Control     = 0;
1194                         evt.KeyInput.Shift       = 0;
1195                         evt.KeyInput.PressedDown = true;
1196                         e->OnEvent(evt);
1197                 }
1198
1199                 if (label.length() >= 1)
1200                 {
1201                         rect.UpperLeftCorner.Y -= m_btn_height;
1202                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1203                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1204                 }
1205         }
1206         m_fields.push_back(spec);
1207 }
1208
1209 void GUIFormSpecMenu::parseField(parserData* data,std::string element,
1210                 std::string type)
1211 {
1212         std::vector<std::string> parts = split(element,';');
1213
1214         if (parts.size() == 3 || parts.size() == 4) {
1215                 parseSimpleField(data,parts);
1216                 return;
1217         }
1218
1219         if ((parts.size() == 5) ||
1220                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1221         {
1222                 parseTextArea(data,parts,type);
1223                 return;
1224         }
1225         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1226 }
1227
1228 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
1229 {
1230         std::vector<std::string> parts = split(element,';');
1231
1232         if ((parts.size() == 2) ||
1233                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1234         {
1235                 std::vector<std::string> v_pos = split(parts[0],',');
1236                 std::string text = parts[1];
1237
1238                 MY_CHECKPOS("label",0);
1239
1240                 v2s32 pos = padding;
1241                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1242                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1243
1244                 if(data->bp_set != 2)
1245                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1246
1247                 text = unescape_string(text);
1248
1249                 std::wstring wlabel = narrow_to_wide(text.c_str());
1250
1251                 core::rect<s32> rect = core::rect<s32>(
1252                                 pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
1253                                 pos.X + m_font->getDimension(wlabel.c_str()).Width,
1254                                 pos.Y+((imgsize.Y/2) + m_btn_height));
1255
1256                 FieldSpec spec(
1257                         L"",
1258                         wlabel,
1259                         L"",
1260                         258+m_fields.size()
1261                 );
1262                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1263                 m_fields.push_back(spec);
1264                 return;
1265         }
1266         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1267 }
1268
1269 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
1270 {
1271         std::vector<std::string> parts = split(element,';');
1272
1273         if ((parts.size() == 2) ||
1274                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1275         {
1276                 std::vector<std::string> v_pos = split(parts[0],',');
1277                 std::wstring text = narrow_to_wide(unescape_string(parts[1]));
1278
1279                 MY_CHECKPOS("vertlabel",1);
1280
1281                 v2s32 pos = padding;
1282                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1283                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1284
1285                 core::rect<s32> rect = core::rect<s32>(
1286                                 pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
1287                                 pos.X+15, pos.Y +
1288                                         (m_font->getKerningHeight() +
1289                                         m_font->getDimension(text.c_str()).Height)
1290                                         * (text.length()+1));
1291                 //actually text.length() would be correct but adding +1 avoids to break all mods
1292
1293                 if(data->bp_set != 2)
1294                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1295
1296                 std::wstring label = L"";
1297
1298                 for (unsigned int i=0; i < text.length(); i++) {
1299                         label += text[i];
1300                         label += L"\n";
1301                 }
1302
1303                 FieldSpec spec(
1304                         L"",
1305                         label,
1306                         L"",
1307                         258+m_fields.size()
1308                 );
1309                 gui::IGUIStaticText *t =
1310                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1311                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1312                 m_fields.push_back(spec);
1313                 return;
1314         }
1315         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1316 }
1317
1318 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
1319                 std::string type)
1320 {
1321         std::vector<std::string> parts = split(element,';');
1322
1323         if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
1324                 ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
1325         {
1326                 std::vector<std::string> v_pos = split(parts[0],',');
1327                 std::vector<std::string> v_geom = split(parts[1],',');
1328                 std::string image_name = parts[2];
1329                 std::string name = parts[3];
1330                 std::string label = parts[4];
1331
1332                 MY_CHECKPOS("imagebutton",0);
1333                 MY_CHECKGEOM("imagebutton",1);
1334
1335                 v2s32 pos = padding;
1336                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1337                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1338                 v2s32 geom;
1339                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1340                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1341
1342                 bool noclip     = false;
1343                 bool drawborder = true;
1344                 std::string pressed_image_name = "";
1345
1346                 if (parts.size() >= 7) {
1347                         if (parts[5] == "true")
1348                                 noclip = true;
1349                         if (parts[6] == "false")
1350                                 drawborder = false;
1351                 }
1352
1353                 if (parts.size() >= 8) {
1354                         pressed_image_name = parts[7];
1355                 }
1356
1357                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1358
1359                 if(data->bp_set != 2)
1360                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1361
1362                 image_name = unescape_string(image_name);
1363                 pressed_image_name = unescape_string(pressed_image_name);
1364                 label = unescape_string(label);
1365
1366                 std::wstring wlabel = narrow_to_wide(label.c_str());
1367
1368                 FieldSpec spec(
1369                         narrow_to_wide(name.c_str()),
1370                         wlabel,
1371                         narrow_to_wide(image_name.c_str()),
1372                         258+m_fields.size()
1373                 );
1374                 spec.ftype = f_Button;
1375                 if(type == "image_button_exit")
1376                         spec.is_exit = true;
1377
1378                 video::ITexture *texture = 0;
1379                 video::ITexture *pressed_texture = 0;
1380                 texture = m_tsrc->getTexture(image_name);
1381                 if (pressed_image_name != "")
1382                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1383                 else
1384                         pressed_texture = texture;
1385
1386                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1387
1388                 if (spec.fname == data->focused_fieldname) {
1389                         Environment->setFocus(e);
1390                 }
1391
1392                 e->setUseAlphaChannel(true);
1393                 e->setImage(texture);
1394                 e->setPressedImage(pressed_texture);
1395                 e->setScaleImage(true);
1396                 e->setNotClipped(noclip);
1397                 e->setDrawBorder(drawborder);
1398
1399                 m_fields.push_back(spec);
1400                 return;
1401         }
1402
1403         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1404 }
1405
1406 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
1407 {
1408         std::vector<std::string> parts = split(element,';');
1409
1410         if (((parts.size() == 4) || (parts.size() == 6)) ||
1411                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
1412         {
1413                 std::vector<std::string> v_pos = split(parts[0],',');
1414                 std::string name = parts[1];
1415                 std::vector<std::string> buttons = split(parts[2],',');
1416                 std::string str_index = parts[3];
1417                 bool show_background = true;
1418                 bool show_border = true;
1419                 int tab_index = stoi(str_index) -1;
1420
1421                 MY_CHECKPOS("tabheader",0);
1422
1423                 if (parts.size() == 6) {
1424                         if (parts[4] == "true")
1425                                 show_background = false;
1426                         if (parts[5] == "false")
1427                                 show_border = false;
1428                 }
1429
1430                 FieldSpec spec(
1431                         narrow_to_wide(name.c_str()),
1432                         L"",
1433                         L"",
1434                         258+m_fields.size()
1435                 );
1436
1437                 spec.ftype = f_TabHeader;
1438
1439                 v2s32 pos(0,0);
1440                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1441                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
1442                 v2s32 geom;
1443                 geom.X = data->screensize.Y;
1444                 geom.Y = m_btn_height*2;
1445
1446                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
1447                                 pos.Y+geom.Y);
1448
1449                 gui::IGUITabControl *e = Environment->addTabControl(rect, this,
1450                                 show_background, show_border, spec.fid);
1451                 e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
1452                                 irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
1453                 e->setTabHeight(m_btn_height*2);
1454
1455                 if (spec.fname == data->focused_fieldname) {
1456                         Environment->setFocus(e);
1457                 }
1458
1459                 e->setNotClipped(true);
1460
1461                 for (unsigned int i=0; i< buttons.size(); i++) {
1462                         e->addTab(narrow_to_wide(buttons[i]).c_str(), -1);
1463                 }
1464
1465                 if ((tab_index >= 0) &&
1466                                 (buttons.size() < INT_MAX) &&
1467                                 (tab_index < (int) buttons.size()))
1468                         e->setActiveTab(tab_index);
1469
1470                 m_fields.push_back(spec);
1471                 return;
1472         }
1473         errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
1474                         << element << "'"  << std::endl;
1475 }
1476
1477 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
1478 {
1479
1480         if (m_gamedef == 0) {
1481                 errorstream <<
1482                                 "WARNING: invalid use of item_image_button with m_gamedef==0"
1483                                 << std::endl;
1484                 return;
1485         }
1486
1487         std::vector<std::string> parts = split(element,';');
1488
1489         if ((parts.size() == 5) ||
1490                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1491         {
1492                 std::vector<std::string> v_pos = split(parts[0],',');
1493                 std::vector<std::string> v_geom = split(parts[1],',');
1494                 std::string item_name = parts[2];
1495                 std::string name = parts[3];
1496                 std::string label = parts[4];
1497
1498                 MY_CHECKPOS("itemimagebutton",0);
1499                 MY_CHECKGEOM("itemimagebutton",1);
1500
1501                 v2s32 pos = padding;
1502                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1503                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1504                 v2s32 geom;
1505                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1506                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1507
1508                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1509
1510                 if(data->bp_set != 2)
1511                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1512
1513                 IItemDefManager *idef = m_gamedef->idef();
1514                 ItemStack item;
1515                 item.deSerialize(item_name, idef);
1516                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1517
1518                 m_tooltips[narrow_to_wide(name.c_str())] =
1519                         TooltipSpec (item.getDefinition(idef).description,
1520                                                 m_default_tooltip_bgcolor,
1521                                                 m_default_tooltip_color);
1522
1523                 label = unescape_string(label);
1524                 FieldSpec spec(
1525                         narrow_to_wide(name.c_str()),
1526                         narrow_to_wide(label.c_str()),
1527                         narrow_to_wide(item_name.c_str()),
1528                         258+m_fields.size()
1529                 );
1530
1531                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1532
1533                 if (spec.fname == data->focused_fieldname) {
1534                         Environment->setFocus(e);
1535                 }
1536
1537                 e->setUseAlphaChannel(true);
1538                 e->setImage(texture);
1539                 e->setPressedImage(texture);
1540                 e->setScaleImage(true);
1541                 spec.ftype = f_Button;
1542                 rect+=data->basepos-padding;
1543                 spec.rect=rect;
1544                 m_fields.push_back(spec);
1545                 return;
1546         }
1547         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1548 }
1549
1550 void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
1551 {
1552         std::vector<std::string> parts = split(element,';');
1553
1554         if ((parts.size() == 3) ||
1555                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
1556         {
1557                 std::vector<std::string> v_pos = split(parts[0],',');
1558                 std::vector<std::string> v_geom = split(parts[1],',');
1559
1560                 MY_CHECKPOS("box",0);
1561                 MY_CHECKGEOM("box",1);
1562
1563                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1564                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1565                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1566
1567                 v2s32 geom;
1568                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1569                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1570
1571                 video::SColor tmp_color;
1572
1573                 if (parseColorString(parts[2], tmp_color, false)) {
1574                         BoxDrawSpec spec(pos, geom, tmp_color);
1575
1576                         m_boxes.push_back(spec);
1577                 }
1578                 else {
1579                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1580                 }
1581                 return;
1582         }
1583         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1584 }
1585
1586 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
1587 {
1588         std::vector<std::string> parts = split(element,';');
1589
1590         if (((parts.size() == 1) || (parts.size() == 2)) ||
1591                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1592         {
1593                 parseColorString(parts[0],m_bgcolor,false);
1594
1595                 if (parts.size() == 2) {
1596                         std::string fullscreen = parts[1];
1597                         m_bgfullscreen = is_yes(fullscreen);
1598                 }
1599                 return;
1600         }
1601         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1602 }
1603
1604 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
1605 {
1606         std::vector<std::string> parts = split(element,';');
1607
1608         if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
1609                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1610         {
1611                 parseColorString(parts[0], m_slotbg_n, false);
1612                 parseColorString(parts[1], m_slotbg_h, false);
1613
1614                 if (parts.size() >= 3) {
1615                         if (parseColorString(parts[2], m_slotbordercolor, false)) {
1616                                 m_slotborder = true;
1617                         }
1618                 }
1619                 if (parts.size() == 5) {
1620                         video::SColor tmp_color;
1621
1622                         if (parseColorString(parts[3], tmp_color, false))
1623                                 m_default_tooltip_bgcolor = tmp_color;
1624                         if (parseColorString(parts[4], tmp_color, false))
1625                                 m_default_tooltip_color = tmp_color;
1626                 }
1627                 return;
1628         }
1629         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1630 }
1631
1632 void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
1633 {
1634         std::vector<std::string> parts = split(element,';');
1635         if (parts.size() == 2) {
1636                 std::string name = parts[0];
1637                 m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], m_default_tooltip_bgcolor, m_default_tooltip_color);
1638                 return;
1639         } else if (parts.size() == 4) {
1640                 std::string name = parts[0];
1641                 video::SColor tmp_color1, tmp_color2;
1642                 if ( parseColorString(parts[2], tmp_color1, false) && parseColorString(parts[3], tmp_color2, false) ) {
1643                         m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], tmp_color1, tmp_color2);
1644                         return;
1645                 }
1646         }
1647         errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
1648 }
1649
1650 bool GUIFormSpecMenu::parseVersionDirect(std::string data)
1651 {
1652         //some prechecks
1653         if (data == "")
1654                 return false;
1655
1656         std::vector<std::string> parts = split(data,'[');
1657
1658         if (parts.size() < 2) {
1659                 return false;
1660         }
1661
1662         if (parts[0] != "formspec_version") {
1663                 return false;
1664         }
1665
1666         if (is_number(parts[1])) {
1667                 m_formspec_version = mystoi(parts[1]);
1668                 return true;
1669         }
1670
1671         return false;
1672 }
1673
1674 void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
1675 {
1676         //some prechecks
1677         if (element == "")
1678                 return;
1679
1680         std::vector<std::string> parts = split(element,'[');
1681
1682         // ugly workaround to keep compatibility
1683         if (parts.size() > 2) {
1684                 if (trim(parts[0]) == "image") {
1685                         for (unsigned int i=2;i< parts.size(); i++) {
1686                                 parts[1] += "[" + parts[i];
1687                         }
1688                 }
1689                 else { return; }
1690         }
1691
1692         if (parts.size() < 2) {
1693                 return;
1694         }
1695
1696         std::string type = trim(parts[0]);
1697         std::string description = trim(parts[1]);
1698
1699         if (type == "size") {
1700                 parseSize(data,description);
1701                 return;
1702         }
1703
1704         if (type == "invsize") {
1705                 log_deprecated("Deprecated formspec element \"invsize\" is used");
1706                 parseSize(data,description);
1707                 return;
1708         }
1709
1710         if (type == "list") {
1711                 parseList(data,description);
1712                 return;
1713         }
1714
1715         if (type == "checkbox") {
1716                 parseCheckbox(data,description);
1717                 return;
1718         }
1719
1720         if (type == "image") {
1721                 parseImage(data,description);
1722                 return;
1723         }
1724
1725         if (type == "item_image") {
1726                 parseItemImage(data,description);
1727                 return;
1728         }
1729
1730         if ((type == "button") || (type == "button_exit")) {
1731                 parseButton(data,description,type);
1732                 return;
1733         }
1734
1735         if (type == "background") {
1736                 parseBackground(data,description);
1737                 return;
1738         }
1739
1740         if (type == "tableoptions"){
1741                 parseTableOptions(data,description);
1742                 return;
1743         }
1744
1745         if (type == "tablecolumns"){
1746                 parseTableColumns(data,description);
1747                 return;
1748         }
1749
1750         if (type == "table"){
1751                 parseTable(data,description);
1752                 return;
1753         }
1754
1755         if (type == "textlist"){
1756                 parseTextList(data,description);
1757                 return;
1758         }
1759
1760         if (type == "dropdown"){
1761                 parseDropDown(data,description);
1762                 return;
1763         }
1764
1765         if (type == "pwdfield") {
1766                 parsePwdField(data,description);
1767                 return;
1768         }
1769
1770         if ((type == "field") || (type == "textarea")){
1771                 parseField(data,description,type);
1772                 return;
1773         }
1774
1775         if (type == "label") {
1776                 parseLabel(data,description);
1777                 return;
1778         }
1779
1780         if (type == "vertlabel") {
1781                 parseVertLabel(data,description);
1782                 return;
1783         }
1784
1785         if (type == "item_image_button") {
1786                 parseItemImageButton(data,description);
1787                 return;
1788         }
1789
1790         if ((type == "image_button") || (type == "image_button_exit")) {
1791                 parseImageButton(data,description,type);
1792                 return;
1793         }
1794
1795         if (type == "tabheader") {
1796                 parseTabHeader(data,description);
1797                 return;
1798         }
1799
1800         if (type == "box") {
1801                 parseBox(data,description);
1802                 return;
1803         }
1804
1805         if (type == "bgcolor") {
1806                 parseBackgroundColor(data,description);
1807                 return;
1808         }
1809
1810         if (type == "listcolors") {
1811                 parseListColors(data,description);
1812                 return;
1813         }
1814
1815         if (type == "tooltip") {
1816                 parseTooltip(data,description);
1817                 return;
1818         }
1819
1820         if (type == "scrollbar") {
1821                 parseScrollBar(data, description);
1822                 return;
1823         }
1824
1825         // Ignore others
1826         infostream
1827                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1828                 <<std::endl;
1829 }
1830
1831
1832
1833 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1834 {
1835         /* useless to regenerate without a screensize */
1836         if ((screensize.X <= 0) || (screensize.Y <= 0)) {
1837                 return;
1838         }
1839
1840         parserData mydata;
1841
1842         //preserve tables
1843         for (u32 i = 0; i < m_tables.size(); ++i) {
1844                 std::wstring tablename = m_tables[i].first.fname;
1845                 GUITable *table = m_tables[i].second;
1846                 mydata.table_dyndata[tablename] = table->getDynamicData();
1847         }
1848
1849         //preserve focus
1850         gui::IGUIElement *focused_element = Environment->getFocus();
1851         if (focused_element && focused_element->getParent() == this) {
1852                 s32 focused_id = focused_element->getID();
1853                 if (focused_id > 257) {
1854                         for (u32 i=0; i<m_fields.size(); i++) {
1855                                 if (m_fields[i].fid == focused_id) {
1856                                         mydata.focused_fieldname =
1857                                                 m_fields[i].fname;
1858                                         break;
1859                                 }
1860                         }
1861                 }
1862         }
1863
1864         // Remove children
1865         removeChildren();
1866
1867         for (u32 i = 0; i < m_tables.size(); ++i) {
1868                 GUITable *table = m_tables[i].second;
1869                 table->drop();
1870         }
1871
1872         mydata.size= v2s32(100,100);
1873         mydata.screensize = screensize;
1874
1875         // Base position of contents of form
1876         mydata.basepos = getBasePos();
1877
1878         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
1879         // Used to adjust form size automatically if needed
1880         // A proceed button is added if there is no size[] element
1881         mydata.bp_set = 0;
1882
1883
1884         /* Convert m_init_draw_spec to m_inventorylists */
1885
1886         m_inventorylists.clear();
1887         m_images.clear();
1888         m_backgrounds.clear();
1889         m_itemimages.clear();
1890         m_tables.clear();
1891         m_checkboxes.clear();
1892         m_scrollbars.clear();
1893         m_fields.clear();
1894         m_boxes.clear();
1895         m_tooltips.clear();
1896
1897         // Set default values (fits old formspec values)
1898         m_bgcolor = video::SColor(140,0,0,0);
1899         m_bgfullscreen = false;
1900
1901         m_slotbg_n = video::SColor(255,128,128,128);
1902         m_slotbg_h = video::SColor(255,192,192,192);
1903
1904         m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
1905         m_default_tooltip_color = video::SColor(255,255,255,255);
1906
1907         m_slotbordercolor = video::SColor(200,0,0,0);
1908         m_slotborder = false;
1909
1910         m_clipbackground = false;
1911         // Add tooltip
1912         {
1913                 assert(m_tooltip_element == NULL);
1914                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1915                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1916                 m_tooltip_element->enableOverrideColor(true);
1917                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
1918                 m_tooltip_element->setDrawBackground(true);
1919                 m_tooltip_element->setDrawBorder(true);
1920                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
1921                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1922                 m_tooltip_element->setWordWrap(false);
1923                 //we're not parent so no autograb for this one!
1924                 m_tooltip_element->grab();
1925         }
1926
1927         std::vector<std::string> elements = split(m_formspec_string,']');
1928         unsigned int i = 0;
1929
1930         /* try to read version from first element only */
1931         if (elements.size() >= 1) {
1932                 if ( parseVersionDirect(elements[0]) ) {
1933                         i++;
1934                 }
1935         }
1936
1937         for (; i< elements.size(); i++) {
1938                 parseElement(&mydata, elements[i]);
1939         }
1940
1941         // If there's fields, add a Proceed button
1942         if (m_fields.size() && mydata.bp_set != 2) {
1943                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
1944                 mydata.rect = core::rect<s32>(
1945                                 mydata.screensize.X/2 - 580/2,
1946                                 mydata.screensize.Y/2 - 300/2,
1947                                 mydata.screensize.X/2 + 580/2,
1948                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
1949                 );
1950                 DesiredRect = mydata.rect;
1951                 recalculateAbsolutePosition(false);
1952                 mydata.basepos = getBasePos();
1953
1954                 {
1955                         v2s32 pos = mydata.basepos;
1956                         pos.Y = ((m_fields.size()+2)*60);
1957
1958                         v2s32 size = DesiredRect.getSize();
1959                         mydata.rect =
1960                                         core::rect<s32>(size.X/2-70, pos.Y,
1961                                                         (size.X/2-70)+140, pos.Y + (m_btn_height*2));
1962                         wchar_t* text = wgettext("Proceed");
1963                         Environment->addButton(mydata.rect, this, 257, text);
1964                         delete[] text;
1965                 }
1966
1967         }
1968
1969         //set initial focus if parser didn't set it
1970         focused_element = Environment->getFocus();
1971         if (!focused_element
1972                         || !isMyChild(focused_element)
1973                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
1974                 setInitialFocus();
1975 }
1976
1977 #ifdef __ANDROID__
1978 bool GUIFormSpecMenu::getAndroidUIInput()
1979 {
1980         /* no dialog shown */
1981         if (m_JavaDialogFieldName == L"") {
1982                 return false;
1983         }
1984
1985         /* still waiting */
1986         if (porting::getInputDialogState() == -1) {
1987                 return true;
1988         }
1989
1990         std::wstring fieldname = m_JavaDialogFieldName;
1991         m_JavaDialogFieldName = L"";
1992
1993         /* no value abort dialog processing */
1994         if (porting::getInputDialogState() != 0) {
1995                 return false;
1996         }
1997
1998         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
1999                         iter != m_fields.end(); iter++) {
2000
2001                 if (iter->fname != fieldname) {
2002                         continue;
2003                 }
2004                 IGUIElement* tochange = getElementFromId(iter->fid);
2005
2006                 if (tochange == 0) {
2007                         return false;
2008                 }
2009
2010                 if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
2011                         return false;
2012                 }
2013
2014                 std::string text = porting::getInputDialogValue();
2015
2016                 ((gui::IGUIEditBox*) tochange)->
2017                         setText(narrow_to_wide(text).c_str());
2018         }
2019         return false;
2020 }
2021 #endif
2022
2023 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
2024 {
2025         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2026
2027         for(u32 i=0; i<m_inventorylists.size(); i++)
2028         {
2029                 const ListDrawSpec &s = m_inventorylists[i];
2030
2031                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
2032                         s32 item_i = i + s.start_item_i;
2033                         s32 x = (i%s.geom.X) * spacing.X;
2034                         s32 y = (i/s.geom.X) * spacing.Y;
2035                         v2s32 p0(x,y);
2036                         core::rect<s32> rect = imgrect + s.pos + p0;
2037                         if(rect.isPointInside(p))
2038                         {
2039                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
2040                         }
2041                 }
2042         }
2043
2044         return ItemSpec(InventoryLocation(), "", -1);
2045 }
2046
2047 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
2048 {
2049         video::IVideoDriver* driver = Environment->getVideoDriver();
2050
2051         // Get font
2052         gui::IGUIFont *font = NULL;
2053         gui::IGUISkin* skin = Environment->getSkin();
2054         if (skin)
2055                 font = skin->getFont();
2056
2057         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2058         if(!inv){
2059                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2060                                 <<"The inventory location "
2061                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2062                                 <<std::endl;
2063                 return;
2064         }
2065         InventoryList *ilist = inv->getList(s.listname);
2066         if(!ilist){
2067                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2068                                 <<"The inventory list \""<<s.listname<<"\" @ \""
2069                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
2070                                 <<std::endl;
2071                 return;
2072         }
2073
2074         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2075
2076         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
2077         {
2078                 s32 item_i = i + s.start_item_i;
2079                 if(item_i >= (s32) ilist->getSize())
2080                         break;
2081                 s32 x = (i%s.geom.X) * spacing.X;
2082                 s32 y = (i/s.geom.X) * spacing.Y;
2083                 v2s32 p(x,y);
2084                 core::rect<s32> rect = imgrect + s.pos + p;
2085                 ItemStack item;
2086                 if(ilist)
2087                         item = ilist->getItem(item_i);
2088
2089                 bool selected = m_selected_item
2090                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
2091                         && m_selected_item->listname == s.listname
2092                         && m_selected_item->i == item_i;
2093                 bool hovering = rect.isPointInside(m_pointer);
2094
2095                 if(phase == 0)
2096                 {
2097                         if(hovering)
2098                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
2099                         else
2100                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
2101                 }
2102
2103                 //Draw inv slot borders
2104                 if (m_slotborder) {
2105                         s32 x1 = rect.UpperLeftCorner.X;
2106                         s32 y1 = rect.UpperLeftCorner.Y;
2107                         s32 x2 = rect.LowerRightCorner.X;
2108                         s32 y2 = rect.LowerRightCorner.Y;
2109                         s32 border = 1;
2110                         driver->draw2DRectangle(m_slotbordercolor,
2111                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
2112                                                                 v2s32(x2 + border, y1)), NULL);
2113                         driver->draw2DRectangle(m_slotbordercolor,
2114                                 core::rect<s32>(v2s32(x1 - border, y2),
2115                                                                 v2s32(x2 + border, y2 + border)), NULL);
2116                         driver->draw2DRectangle(m_slotbordercolor,
2117                                 core::rect<s32>(v2s32(x1 - border, y1),
2118                                                                 v2s32(x1, y2)), NULL);
2119                         driver->draw2DRectangle(m_slotbordercolor,
2120                                 core::rect<s32>(v2s32(x2, y1),
2121                                                                 v2s32(x2 + border, y2)), NULL);
2122                 }
2123
2124                 if(phase == 1)
2125                 {
2126                         // Draw item stack
2127                         if(selected)
2128                         {
2129                                 item.takeItem(m_selected_amount);
2130                         }
2131                         if(!item.empty())
2132                         {
2133                                 drawItemStack(driver, font, item,
2134                                                 rect, &AbsoluteClippingRect, m_gamedef);
2135                         }
2136
2137                         // Draw tooltip
2138                         std::string tooltip_text = "";
2139                         if (hovering && !m_selected_item)
2140                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
2141                         if (tooltip_text != "") {
2142                                 std::vector<std::string> tt_rows = str_split(tooltip_text, '\n');
2143                                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
2144                                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
2145                                 m_tooltip_element->setVisible(true);
2146                                 this->bringToFront(m_tooltip_element);
2147                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
2148                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2149                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2150                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2151                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2152                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2153                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2154                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2155                         }
2156                 }
2157         }
2158 }
2159
2160 void GUIFormSpecMenu::drawSelectedItem()
2161 {
2162         if(!m_selected_item)
2163                 return;
2164
2165         video::IVideoDriver* driver = Environment->getVideoDriver();
2166
2167         // Get font
2168         gui::IGUIFont *font = NULL;
2169         gui::IGUISkin* skin = Environment->getSkin();
2170         if (skin)
2171                 font = skin->getFont();
2172
2173         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2174         assert(inv);
2175         InventoryList *list = inv->getList(m_selected_item->listname);
2176         assert(list);
2177         ItemStack stack = list->getItem(m_selected_item->i);
2178         stack.count = m_selected_amount;
2179
2180         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2181         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
2182         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
2183 }
2184
2185 void GUIFormSpecMenu::drawMenu()
2186 {
2187         if(m_form_src){
2188                 std::string newform = m_form_src->getForm();
2189                 if(newform != m_formspec_string){
2190                         m_formspec_string = newform;
2191                         regenerateGui(m_screensize_old);
2192                 }
2193         }
2194
2195         updateSelectedItem();
2196
2197         gui::IGUISkin* skin = Environment->getSkin();
2198         if (!skin)
2199                 return;
2200         video::IVideoDriver* driver = Environment->getVideoDriver();
2201
2202         v2u32 screenSize = driver->getScreenSize();
2203         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
2204         if (m_bgfullscreen)
2205                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
2206         else
2207                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
2208
2209         m_tooltip_element->setVisible(false);
2210
2211         /*
2212                 Draw backgrounds
2213         */
2214         for(u32 i=0; i<m_backgrounds.size(); i++)
2215         {
2216                 const ImageDrawSpec &spec = m_backgrounds[i];
2217                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2218
2219                 if (texture != 0) {
2220                         // Image size on screen
2221                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2222                         // Image rectangle on screen
2223                         core::rect<s32> rect = imgrect + spec.pos;
2224
2225                         if (m_clipbackground) {
2226                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
2227                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
2228                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
2229                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X,
2230                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y);
2231                         }
2232
2233                         const video::SColor color(255,255,255,255);
2234                         const video::SColor colors[] = {color,color,color,color};
2235                         driver->draw2DImage(texture, rect,
2236                                 core::rect<s32>(core::position2d<s32>(0,0),
2237                                                 core::dimension2di(texture->getOriginalSize())),
2238                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2239                 }
2240                 else {
2241                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
2242                         errorstream << "\t" << spec.name << std::endl;
2243                 }
2244         }
2245
2246         /*
2247                 Draw Boxes
2248         */
2249         for(u32 i=0; i<m_boxes.size(); i++)
2250         {
2251                 const BoxDrawSpec &spec = m_boxes[i];
2252
2253                 irr::video::SColor todraw = spec.color;
2254
2255                 todraw.setAlpha(140);
2256
2257                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
2258                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
2259
2260                 driver->draw2DRectangle(todraw, rect, 0);
2261         }
2262         /*
2263                 Draw images
2264         */
2265         for(u32 i=0; i<m_images.size(); i++)
2266         {
2267                 const ImageDrawSpec &spec = m_images[i];
2268                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2269
2270                 if (texture != 0) {
2271                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
2272                         // Image size on screen
2273                         core::rect<s32> imgrect;
2274
2275                         if (spec.scale)
2276                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
2277                         else {
2278
2279                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
2280                         }
2281                         // Image rectangle on screen
2282                         core::rect<s32> rect = imgrect + spec.pos;
2283                         const video::SColor color(255,255,255,255);
2284                         const video::SColor colors[] = {color,color,color,color};
2285                         driver->draw2DImage(texture, rect,
2286                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
2287                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2288                 }
2289                 else {
2290                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
2291                         errorstream << "\t" << spec.name << std::endl;
2292                 }
2293         }
2294
2295         /*
2296                 Draw item images
2297         */
2298         for(u32 i=0; i<m_itemimages.size(); i++)
2299         {
2300                 if (m_gamedef == 0)
2301                         break;
2302
2303                 const ImageDrawSpec &spec = m_itemimages[i];
2304                 IItemDefManager *idef = m_gamedef->idef();
2305                 ItemStack item;
2306                 item.deSerialize(spec.name, idef);
2307                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
2308                 // Image size on screen
2309                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2310                 // Image rectangle on screen
2311                 core::rect<s32> rect = imgrect + spec.pos;
2312                 const video::SColor color(255,255,255,255);
2313                 const video::SColor colors[] = {color,color,color,color};
2314                 driver->draw2DImage(texture, rect,
2315                         core::rect<s32>(core::position2d<s32>(0,0),
2316                                         core::dimension2di(texture->getOriginalSize())),
2317                         NULL/*&AbsoluteClippingRect*/, colors, true);
2318         }
2319
2320         /*
2321                 Draw items
2322                 Phase 0: Item slot rectangles
2323                 Phase 1: Item images; prepare tooltip
2324         */
2325         int start_phase=0;
2326         for(int phase=start_phase; phase<=1; phase++)
2327         for(u32 i=0; i<m_inventorylists.size(); i++)
2328         {
2329                 drawList(m_inventorylists[i], phase);
2330         }
2331
2332         /*
2333                 Call base class
2334         */
2335         gui::IGUIElement::draw();
2336
2337 /* TODO find way to show tooltips on touchscreen */
2338 #ifndef HAVE_TOUCHSCREENGUI
2339         m_pointer = m_device->getCursorControl()->getPosition();
2340 #endif
2341
2342         /*
2343                 Draw fields/buttons tooltips
2344         */
2345         gui::IGUIElement *hovered =
2346                         Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
2347
2348         if (hovered != NULL) {
2349                 s32 id = hovered->getID();
2350
2351                 u32 delta = 0;
2352                 if (id == -1) {
2353                         m_old_tooltip_id = id;
2354                         m_old_tooltip = "";
2355                 } else {
2356                         if (id == m_old_tooltip_id) {
2357                                 delta = porting::getDeltaMs(m_hovered_time, getTimeMs());
2358                         } else {
2359                                 m_hovered_time = getTimeMs();
2360                                 m_old_tooltip_id = id;
2361                         }
2362                 }
2363
2364                 if (id != -1 && delta >= m_tooltip_show_delay) {
2365                         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2366                                         iter != m_fields.end(); iter++) {
2367                                 if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
2368                                         if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
2369                                                 m_old_tooltip = m_tooltips[iter->fname].tooltip;
2370                                                 m_tooltip_element->setText(narrow_to_wide(m_tooltips[iter->fname].tooltip).c_str());
2371                                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2372                                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2373                                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2374                                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2375                                                         tooltip_x = (s32)screenSize.X - tooltip_width - m_btn_height;
2376                                                 std::vector<std::string> tt_rows = str_split(m_tooltips[iter->fname].tooltip, '\n');
2377                                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2378                                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2379                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2380                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2381                                         }
2382                                         m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
2383                                         m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
2384                                         m_tooltip_element->setVisible(true);
2385                                         this->bringToFront(m_tooltip_element);
2386                                         break;
2387                                 }
2388                         }
2389                 }
2390         }
2391
2392         /*
2393                 Draw dragged item stack
2394         */
2395         drawSelectedItem();
2396 }
2397
2398 void GUIFormSpecMenu::updateSelectedItem()
2399 {
2400         // If the selected stack has become empty for some reason, deselect it.
2401         // If the selected stack has become inaccessible, deselect it.
2402         // If the selected stack has become smaller, adjust m_selected_amount.
2403         ItemStack selected = verifySelectedItem();
2404
2405         // WARNING: BLACK MAGIC
2406         // See if there is a stack suited for our current guess.
2407         // If such stack does not exist, clear the guess.
2408         if(m_selected_content_guess.name != "" &&
2409                         selected.name == m_selected_content_guess.name &&
2410                         selected.count == m_selected_content_guess.count){
2411                 // Selected item fits the guess. Skip the black magic.
2412         }
2413         else if(m_selected_content_guess.name != ""){
2414                 bool found = false;
2415                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2416                         const ListDrawSpec &s = m_inventorylists[i];
2417                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2418                         if(!inv)
2419                                 continue;
2420                         InventoryList *list = inv->getList(s.listname);
2421                         if(!list)
2422                                 continue;
2423                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2424                                 u32 item_i = i + s.start_item_i;
2425                                 if(item_i >= list->getSize())
2426                                         continue;
2427                                 ItemStack stack = list->getItem(item_i);
2428                                 if(stack.name == m_selected_content_guess.name &&
2429                                                 stack.count == m_selected_content_guess.count){
2430                                         found = true;
2431                                         infostream<<"Client: Changing selected content guess to "
2432                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2433                                                         <<" "<<item_i<<std::endl;
2434                                         delete m_selected_item;
2435                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2436                                         m_selected_amount = stack.count;
2437                                 }
2438                         }
2439                 }
2440                 if(!found){
2441                         infostream<<"Client: Discarding selected content guess: "
2442                                         <<m_selected_content_guess.getItemString()<<std::endl;
2443                         m_selected_content_guess.name = "";
2444                 }
2445         }
2446
2447         // If craftresult is nonempty and nothing else is selected, select it now.
2448         if(!m_selected_item)
2449         {
2450                 for(u32 i=0; i<m_inventorylists.size(); i++)
2451                 {
2452                         const ListDrawSpec &s = m_inventorylists[i];
2453                         if(s.listname == "craftpreview")
2454                         {
2455                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2456                                 InventoryList *list = inv->getList("craftresult");
2457                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2458                                 {
2459                                         m_selected_item = new ItemSpec;
2460                                         m_selected_item->inventoryloc = s.inventoryloc;
2461                                         m_selected_item->listname = "craftresult";
2462                                         m_selected_item->i = 0;
2463                                         m_selected_amount = 0;
2464                                         m_selected_dragging = false;
2465                                         break;
2466                                 }
2467                         }
2468                 }
2469         }
2470
2471         // If craftresult is selected, keep the whole stack selected
2472         if(m_selected_item && m_selected_item->listname == "craftresult")
2473         {
2474                 m_selected_amount = verifySelectedItem().count;
2475         }
2476 }
2477
2478 ItemStack GUIFormSpecMenu::verifySelectedItem()
2479 {
2480         // If the selected stack has become empty for some reason, deselect it.
2481         // If the selected stack has become inaccessible, deselect it.
2482         // If the selected stack has become smaller, adjust m_selected_amount.
2483         // Return the selected stack.
2484
2485         if(m_selected_item)
2486         {
2487                 if(m_selected_item->isValid())
2488                 {
2489                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2490                         if(inv)
2491                         {
2492                                 InventoryList *list = inv->getList(m_selected_item->listname);
2493                                 if(list && (u32) m_selected_item->i < list->getSize())
2494                                 {
2495                                         ItemStack stack = list->getItem(m_selected_item->i);
2496                                         if(m_selected_amount > stack.count)
2497                                                 m_selected_amount = stack.count;
2498                                         if(!stack.empty())
2499                                                 return stack;
2500                                 }
2501                         }
2502                 }
2503
2504                 // selection was not valid
2505                 delete m_selected_item;
2506                 m_selected_item = NULL;
2507                 m_selected_amount = 0;
2508                 m_selected_dragging = false;
2509         }
2510         return ItemStack();
2511 }
2512
2513 void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
2514 {
2515         if(m_text_dst)
2516         {
2517                 std::map<std::string, std::string> fields;
2518
2519                 if (quitmode == quit_mode_accept) {
2520                         fields["quit"] = "true";
2521                 }
2522
2523                 if (quitmode == quit_mode_cancel) {
2524                         fields["quit"] = "true";
2525                         m_text_dst->gotText(fields);
2526                         return;
2527                 }
2528
2529                 if (current_keys_pending.key_down) {
2530                         fields["key_down"] = "true";
2531                         current_keys_pending.key_down = false;
2532                 }
2533
2534                 if (current_keys_pending.key_up) {
2535                         fields["key_up"] = "true";
2536                         current_keys_pending.key_up = false;
2537                 }
2538
2539                 if (current_keys_pending.key_enter) {
2540                         fields["key_enter"] = "true";
2541                         current_keys_pending.key_enter = false;
2542                 }
2543
2544                 if (current_keys_pending.key_escape) {
2545                         fields["key_escape"] = "true";
2546                         current_keys_pending.key_escape = false;
2547                 }
2548
2549                 for(unsigned int i=0; i<m_fields.size(); i++) {
2550                         const FieldSpec &s = m_fields[i];
2551                         if(s.send) {
2552                                 std::string name  = wide_to_narrow(s.fname);
2553                                 if(s.ftype == f_Button) {
2554                                         fields[name] = wide_to_narrow(s.flabel);
2555                                 }
2556                                 else if(s.ftype == f_Table) {
2557                                         GUITable *table = getTable(s.fname);
2558                                         if (table) {
2559                                                 fields[name] = table->checkEvent();
2560                                         }
2561                                 }
2562                                 else if(s.ftype == f_DropDown) {
2563                                         // no dynamic cast possible due to some distributions shipped
2564                                         // without rtti support in irrlicht
2565                                         IGUIElement * element = getElementFromId(s.fid);
2566                                         gui::IGUIComboBox *e = NULL;
2567                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2568                                                 e = static_cast<gui::IGUIComboBox*>(element);
2569                                         }
2570                                         s32 selected = e->getSelected();
2571                                         if (selected >= 0) {
2572                                                 fields[name] =
2573                                                         wide_to_narrow(e->getItem(selected));
2574                                         }
2575                                 }
2576                                 else if (s.ftype == f_TabHeader) {
2577                                         // no dynamic cast possible due to some distributions shipped
2578                                         // without rtti support in irrlicht
2579                                         IGUIElement * element = getElementFromId(s.fid);
2580                                         gui::IGUITabControl *e = NULL;
2581                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2582                                                 e = static_cast<gui::IGUITabControl*>(element);
2583                                         }
2584
2585                                         if (e != 0) {
2586                                                 std::stringstream ss;
2587                                                 ss << (e->getActiveTab() +1);
2588                                                 fields[name] = ss.str();
2589                                         }
2590                                 }
2591                                 else if (s.ftype == f_CheckBox) {
2592                                         // no dynamic cast possible due to some distributions shipped
2593                                         // without rtti support in irrlicht
2594                                         IGUIElement * element = getElementFromId(s.fid);
2595                                         gui::IGUICheckBox *e = NULL;
2596                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2597                                                 e = static_cast<gui::IGUICheckBox*>(element);
2598                                         }
2599
2600                                         if (e != 0) {
2601                                                 if (e->isChecked())
2602                                                         fields[name] = "true";
2603                                                 else
2604                                                         fields[name] = "false";
2605                                         }
2606                                 }
2607                                 else if (s.ftype == f_ScrollBar) {
2608                                         // no dynamic cast possible due to some distributions shipped
2609                                         // without rtti support in irrlicht
2610                                         IGUIElement * element = getElementFromId(s.fid);
2611                                         gui::IGUIScrollBar *e = NULL;
2612                                         if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
2613                                                 e = static_cast<gui::IGUIScrollBar*>(element);
2614                                         }
2615
2616                                         if (e != 0) {
2617                                                 std::stringstream os;
2618                                                 os << e->getPos();
2619                                                 if (s.fdefault == L"Changed")
2620                                                         fields[name] = "CHG:" + os.str();
2621                                                 else
2622                                                         fields[name] = "VAL:" + os.str();
2623                                         }
2624                                 }
2625                                 else
2626                                 {
2627                                         IGUIElement* e = getElementFromId(s.fid);
2628                                         if(e != NULL) {
2629                                                 fields[name] = wide_to_narrow(e->getText());
2630                                         }
2631                                 }
2632                         }
2633                 }
2634
2635                 m_text_dst->gotText(fields);
2636         }
2637 }
2638
2639 static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
2640 {
2641         while(tocheck != NULL) {
2642                 if (tocheck == parent) {
2643                         return true;
2644                 }
2645                 tocheck = tocheck->getParent();
2646         }
2647         return false;
2648 }
2649
2650 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2651 {
2652         // Fix Esc/Return key being eaten by checkboxen and tables
2653         if(event.EventType==EET_KEY_INPUT_EVENT) {
2654                 KeyPress kp(event.KeyInput);
2655                 if (kp == EscapeKey || kp == CancelKey
2656                                 || kp == getKeySetting("keymap_inventory")
2657                                 || event.KeyInput.Key==KEY_RETURN) {
2658                         gui::IGUIElement *focused = Environment->getFocus();
2659                         if (focused && isMyChild(focused) &&
2660                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2661                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2662                                 OnEvent(event);
2663                                 return true;
2664                         }
2665                 }
2666         }
2667         // Mouse wheel events: send to hovered element instead of focused
2668         if(event.EventType==EET_MOUSE_INPUT_EVENT
2669                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
2670                 s32 x = event.MouseInput.X;
2671                 s32 y = event.MouseInput.Y;
2672                 gui::IGUIElement *hovered =
2673                         Environment->getRootGUIElement()->getElementFromPoint(
2674                                 core::position2d<s32>(x, y));
2675                 if (hovered && isMyChild(hovered)) {
2676                         hovered->OnEvent(event);
2677                         return true;
2678                 }
2679         }
2680
2681         if (event.EventType == EET_MOUSE_INPUT_EVENT) {
2682                 s32 x = event.MouseInput.X;
2683                 s32 y = event.MouseInput.Y;
2684                 gui::IGUIElement *hovered =
2685                         Environment->getRootGUIElement()->getElementFromPoint(
2686                                 core::position2d<s32>(x, y));
2687                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2688                         m_old_tooltip_id = -1;
2689                         m_old_tooltip = "";
2690                 }
2691                 if (!isChild(hovered,this)) {
2692                         if (DoubleClickDetection(event)) {
2693                                 return true;
2694                         }
2695                 }
2696         }
2697
2698         #ifdef __ANDROID__
2699         // display software keyboard when clicking edit boxes
2700         if (event.EventType == EET_MOUSE_INPUT_EVENT
2701                         && event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2702                 gui::IGUIElement *hovered =
2703                         Environment->getRootGUIElement()->getElementFromPoint(
2704                                 core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
2705                 if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
2706                         bool retval = hovered->OnEvent(event);
2707                         if (retval) {
2708                                 Environment->setFocus(hovered);
2709                         }
2710                         m_JavaDialogFieldName = getNameByID(hovered->getID());
2711                         std::string message   = gettext("Enter ");
2712                         std::string label     = wide_to_narrow(getLabelByID(hovered->getID()));
2713                         if (label == "") {
2714                                 label = "text";
2715                         }
2716                         message += gettext(label) + ":";
2717
2718                         /* single line text input */
2719                         int type = 2;
2720
2721                         /* multi line text input */
2722                         if (((gui::IGUIEditBox*) hovered)->isMultiLineEnabled()) {
2723                                 type = 1;
2724                         }
2725
2726                         /* passwords are always single line */
2727                         if (((gui::IGUIEditBox*) hovered)->isPasswordBox()) {
2728                                 type = 3;
2729                         }
2730
2731                         porting::showInputDialog(gettext("ok"), "",
2732                                         wide_to_narrow(((gui::IGUIEditBox*) hovered)->getText()),
2733                                         type);
2734                         return retval;
2735                 }
2736         }
2737
2738         if (event.EventType == EET_TOUCH_INPUT_EVENT)
2739         {
2740                 SEvent translated;
2741                 memset(&translated, 0, sizeof(SEvent));
2742                 translated.EventType   = EET_MOUSE_INPUT_EVENT;
2743                 gui::IGUIElement* root = Environment->getRootGUIElement();
2744
2745                 if (!root) {
2746                         errorstream
2747                         << "GUIFormSpecMenu::preprocessEvent unable to get root element"
2748                         << std::endl;
2749                         return false;
2750                 }
2751                 gui::IGUIElement* hovered = root->getElementFromPoint(
2752                         core::position2d<s32>(
2753                                         event.TouchInput.X,
2754                                         event.TouchInput.Y));
2755
2756                 translated.MouseInput.X = event.TouchInput.X;
2757                 translated.MouseInput.Y = event.TouchInput.Y;
2758                 translated.MouseInput.Control = false;
2759
2760                 bool dont_send_event = false;
2761
2762                 if (event.TouchInput.touchedCount == 1) {
2763                         switch (event.TouchInput.Event) {
2764                                 case ETIE_PRESSED_DOWN:
2765                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2766                                         translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
2767                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2768                                         m_down_pos = m_pointer;
2769                                         break;
2770                                 case ETIE_MOVED:
2771                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2772                                         translated.MouseInput.Event = EMIE_MOUSE_MOVED;
2773                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2774                                         break;
2775                                 case ETIE_LEFT_UP:
2776                                         translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
2777                                         translated.MouseInput.ButtonStates = 0;
2778                                         hovered = root->getElementFromPoint(m_down_pos);
2779                                         /* we don't have a valid pointer element use last
2780                                          * known pointer pos */
2781                                         translated.MouseInput.X = m_pointer.X;
2782                                         translated.MouseInput.Y = m_pointer.Y;
2783
2784                                         /* reset down pos */
2785                                         m_down_pos = v2s32(0,0);
2786                                         break;
2787                                 default:
2788                                         dont_send_event = true;
2789                                         //this is not supposed to happen
2790                                         errorstream
2791                                         << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
2792                                         << event.TouchInput.Event << std::endl;
2793                         }
2794                 } else if ( (event.TouchInput.touchedCount == 2) &&
2795                                 (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
2796                         hovered = root->getElementFromPoint(m_down_pos);
2797
2798                         translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
2799                         translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
2800                         translated.MouseInput.X = m_pointer.X;
2801                         translated.MouseInput.Y = m_pointer.Y;
2802
2803                         if (hovered) {
2804                                 hovered->OnEvent(translated);
2805                         }
2806
2807                         translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
2808                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2809
2810
2811                         if (hovered) {
2812                                 hovered->OnEvent(translated);
2813                         }
2814                         dont_send_event = true;
2815                 }
2816                 /* ignore unhandled 2 touch events ... accidental moving for example */
2817                 else if (event.TouchInput.touchedCount == 2) {
2818                         dont_send_event = true;
2819                 }
2820                 else if (event.TouchInput.touchedCount > 2) {
2821                         errorstream
2822                         << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
2823                         << event.TouchInput.touchedCount << " ignoring them" << std::endl;
2824                 }
2825
2826                 if (dont_send_event) {
2827                         return true;
2828                 }
2829
2830                 /* check if translated event needs to be preprocessed again */
2831                 if (preprocessEvent(translated)) {
2832                         return true;
2833                 }
2834                 if (hovered) {
2835                         grab();
2836                         bool retval = hovered->OnEvent(translated);
2837
2838                         if (event.TouchInput.Event == ETIE_LEFT_UP) {
2839                                 /* reset pointer */
2840                                 m_pointer = v2s32(0,0);
2841                         }
2842                         drop();
2843                         return retval;
2844                 }
2845         }
2846         #endif
2847
2848         return false;
2849 }
2850
2851 /******************************************************************************/
2852 bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
2853 {
2854         if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2855                 m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
2856                 m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
2857
2858                 m_doubleclickdetect[1].pos  = m_pointer;
2859                 m_doubleclickdetect[1].time = getTimeMs();
2860         }
2861         else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
2862                 u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
2863                 if (delta > 400) {
2864                         return false;
2865                 }
2866
2867                 double squaredistance =
2868                                 m_doubleclickdetect[0].pos
2869                                 .getDistanceFromSQ(m_doubleclickdetect[1].pos);
2870
2871                 if (squaredistance > (30*30)) {
2872                         return false;
2873                 }
2874
2875                 SEvent* translated = new SEvent();
2876                 assert(translated != 0);
2877                 //translate doubleclick to escape
2878                 memset(translated, 0, sizeof(SEvent));
2879                 translated->EventType = irr::EET_KEY_INPUT_EVENT;
2880                 translated->KeyInput.Key         = KEY_ESCAPE;
2881                 translated->KeyInput.Control     = false;
2882                 translated->KeyInput.Shift       = false;
2883                 translated->KeyInput.PressedDown = true;
2884                 translated->KeyInput.Char        = 0;
2885                 OnEvent(*translated);
2886
2887                 // no need to send the key up event as we're already deleted
2888                 // and no one else did notice this event
2889                 delete translated;
2890                 return true;
2891         }
2892         return false;
2893 }
2894
2895 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
2896 {
2897         if(event.EventType==EET_KEY_INPUT_EVENT) {
2898                 KeyPress kp(event.KeyInput);
2899                 if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
2900                         (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
2901                         if (m_allowclose) {
2902                                 doPause = false;
2903                                 acceptInput(quit_mode_cancel);
2904                                 quitMenu();
2905                         } else {
2906                                 m_text_dst->gotText(narrow_to_wide("MenuQuit"));
2907                         }
2908                         return true;
2909                 } else if (m_client != NULL && event.KeyInput.PressedDown &&
2910                         (kp == getKeySetting("keymap_screenshot"))) {
2911                                 m_client->makeScreenshot(m_device);
2912                 }
2913                 if (event.KeyInput.PressedDown &&
2914                         (event.KeyInput.Key==KEY_RETURN ||
2915                          event.KeyInput.Key==KEY_UP ||
2916                          event.KeyInput.Key==KEY_DOWN)
2917                         ) {
2918                         switch (event.KeyInput.Key) {
2919                                 case KEY_RETURN:
2920                                         current_keys_pending.key_enter = true;
2921                                         break;
2922                                 case KEY_UP:
2923                                         current_keys_pending.key_up = true;
2924                                         break;
2925                                 case KEY_DOWN:
2926                                         current_keys_pending.key_down = true;
2927                                         break;
2928                                 break;
2929                                 default:
2930                                         //can't happen at all!
2931                                         assert("reached a source line that can't ever been reached" == 0);
2932                                         break;
2933                         }
2934                         if (current_keys_pending.key_enter && m_allowclose) {
2935                                 acceptInput(quit_mode_accept);
2936                                 quitMenu();
2937                         } else {
2938                                 acceptInput();
2939                         }
2940                         return true;
2941                 }
2942
2943         }
2944
2945         /* Mouse event other than movement, or crossing the border of inventory
2946           field while holding right mouse button
2947          */
2948         if (event.EventType == EET_MOUSE_INPUT_EVENT &&
2949                         (event.MouseInput.Event != EMIE_MOUSE_MOVED ||
2950                          (event.MouseInput.Event == EMIE_MOUSE_MOVED &&
2951                           event.MouseInput.isRightPressed() &&
2952                           getItemAtPos(m_pointer).i != getItemAtPos(m_old_pointer).i))) {
2953
2954                 // Get selected item and hovered/clicked item (s)
2955
2956                 m_old_tooltip_id = -1;
2957                 updateSelectedItem();
2958                 ItemSpec s = getItemAtPos(m_pointer);
2959
2960                 Inventory *inv_selected = NULL;
2961                 Inventory *inv_s = NULL;
2962
2963                 if(m_selected_item) {
2964                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
2965                         assert(inv_selected);
2966                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
2967                 }
2968
2969                 u32 s_count = 0;
2970
2971                 if(s.isValid())
2972                 do { // breakable
2973                         inv_s = m_invmgr->getInventory(s.inventoryloc);
2974
2975                         if(!inv_s) {
2976                                 errorstream<<"InventoryMenu: The selected inventory location "
2977                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2978                                                 <<std::endl;
2979                                 s.i = -1;  // make it invalid again
2980                                 break;
2981                         }
2982
2983                         InventoryList *list = inv_s->getList(s.listname);
2984                         if(list == NULL) {
2985                                 verbosestream<<"InventoryMenu: The selected inventory list \""
2986                                                 <<s.listname<<"\" does not exist"<<std::endl;
2987                                 s.i = -1;  // make it invalid again
2988                                 break;
2989                         }
2990
2991                         if((u32)s.i >= list->getSize()) {
2992                                 infostream<<"InventoryMenu: The selected inventory list \""
2993                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
2994                                                 <<list->getSize()<<")"<<std::endl;
2995                                 s.i = -1;  // make it invalid again
2996                                 break;
2997                         }
2998
2999                         s_count = list->getItem(s.i).count;
3000                 } while(0);
3001
3002                 bool identical = (m_selected_item != NULL) && s.isValid() &&
3003                         (inv_selected == inv_s) &&
3004                         (m_selected_item->listname == s.listname) &&
3005                         (m_selected_item->i == s.i);
3006
3007                 // buttons: 0 = left, 1 = right, 2 = middle
3008                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
3009                 int button = 0;
3010                 int updown = 2;
3011                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
3012                         { button = 0; updown = 0; }
3013                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
3014                         { button = 1; updown = 0; }
3015                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
3016                         { button = 2; updown = 0; }
3017                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
3018                         { button = 0; updown = 1; }
3019                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
3020                         { button = 1; updown = 1; }
3021                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
3022                         { button = 2; updown = 1; }
3023                 else if(event.MouseInput.Event == EMIE_MOUSE_MOVED)
3024                         { updown = -1;}
3025
3026                 // Set this number to a positive value to generate a move action
3027                 // from m_selected_item to s.
3028                 u32 move_amount = 0;
3029
3030                 // Set this number to a positive value to generate a drop action
3031                 // from m_selected_item.
3032                 u32 drop_amount = 0;
3033
3034                 // Set this number to a positive value to generate a craft action at s.
3035                 u32 craft_amount = 0;
3036
3037                 if(updown == 0) {
3038                         // Some mouse button has been pressed
3039
3040                         //infostream<<"Mouse button "<<button<<" pressed at p=("
3041                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3042
3043                         m_selected_dragging = false;
3044
3045                         if(s.isValid() && s.listname == "craftpreview") {
3046                                 // Craft preview has been clicked: craft
3047                                 craft_amount = (button == 2 ? 10 : 1);
3048                         }
3049                         else if(m_selected_item == NULL) {
3050                                 if(s_count != 0) {
3051                                         // Non-empty stack has been clicked: select it
3052                                         m_selected_item = new ItemSpec(s);
3053
3054                                         if(button == 1)  // right
3055                                                 m_selected_amount = (s_count + 1) / 2;
3056                                         else if(button == 2)  // middle
3057                                                 m_selected_amount = MYMIN(s_count, 10);
3058                                         else  // left
3059                                                 m_selected_amount = s_count;
3060
3061                                         m_selected_dragging = true;
3062                                 }
3063                         }
3064                         else { // m_selected_item != NULL
3065                                 assert(m_selected_amount >= 1);
3066
3067                                 if(s.isValid()) {
3068                                         // Clicked a slot: move
3069                                         if(button == 1)  // right
3070                                                 move_amount = 1;
3071                                         else if(button == 2)  // middle
3072                                                 move_amount = MYMIN(m_selected_amount, 10);
3073                                         else  // left
3074                                                 move_amount = m_selected_amount;
3075
3076                                         if(identical) {
3077                                                 if(move_amount >= m_selected_amount)
3078                                                         m_selected_amount = 0;
3079                                                 else
3080                                                         m_selected_amount -= move_amount;
3081                                                 move_amount = 0;
3082                                         }
3083                                 }
3084                                 else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
3085                                         // Clicked outside of the window: drop
3086                                         if(button == 1)  // right
3087                                                 drop_amount = 1;
3088                                         else if(button == 2)  // middle
3089                                                 drop_amount = MYMIN(m_selected_amount, 10);
3090                                         else  // left
3091                                                 drop_amount = m_selected_amount;
3092                                 }
3093                         }
3094                 }
3095                 else if(updown == 1) {
3096                         // Some mouse button has been released
3097
3098                         //infostream<<"Mouse button "<<button<<" released at p=("
3099                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3100
3101                         if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
3102                                 if(!identical) {
3103                                         // Dragged to different slot: move all selected
3104                                         move_amount = m_selected_amount;
3105                                 }
3106                         }
3107                         else if(m_selected_item != NULL && m_selected_dragging &&
3108                                 !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
3109                                 // Dragged outside of window: drop all selected
3110                                 drop_amount = m_selected_amount;
3111                         }
3112
3113                         m_selected_dragging = false;
3114                 }
3115                 else if(updown == -1) {
3116                         // Mouse has been moved and rmb is down and mouse pointer just
3117                         // entered a new inventory field (checked in the entry-if, this
3118                         // is the only action here that is generated by mouse movement)
3119                         if(m_selected_item != NULL && s.isValid()){
3120                                 // Move 1 item
3121                                 // TODO: middle mouse to move 10 items might be handy
3122                                 move_amount = 1;
3123                         }
3124                 }
3125
3126                 // Possibly send inventory action to server
3127                 if(move_amount > 0)
3128                 {
3129                         // Send IACTION_MOVE
3130
3131                         assert(m_selected_item && m_selected_item->isValid());
3132                         assert(s.isValid());
3133
3134                         assert(inv_selected && inv_s);
3135                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3136                         InventoryList *list_to = inv_s->getList(s.listname);
3137                         assert(list_from && list_to);
3138                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3139                         ItemStack stack_to = list_to->getItem(s.i);
3140
3141                         // Check how many items can be moved
3142                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
3143                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
3144                         // If source stack cannot be added to destination stack at all,
3145                         // they are swapped
3146                         if ((leftover.count == stack_from.count) &&
3147                                         (leftover.name == stack_from.name)) {
3148                                 m_selected_amount = stack_to.count;
3149                                 // In case the server doesn't directly swap them but instead
3150                                 // moves stack_to somewhere else, set this
3151                                 m_selected_content_guess = stack_to;
3152                                 m_selected_content_guess_inventory = s.inventoryloc;
3153                         }
3154                         // Source stack goes fully into destination stack
3155                         else if(leftover.empty()) {
3156                                 m_selected_amount -= move_amount;
3157                                 m_selected_content_guess = ItemStack(); // Clear
3158                         }
3159                         // Source stack goes partly into destination stack
3160                         else {
3161                                 move_amount -= leftover.count;
3162                                 m_selected_amount -= move_amount;
3163                                 m_selected_content_guess = ItemStack(); // Clear
3164                         }
3165
3166                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
3167                         IMoveAction *a = new IMoveAction();
3168                         a->count = move_amount;
3169                         a->from_inv = m_selected_item->inventoryloc;
3170                         a->from_list = m_selected_item->listname;
3171                         a->from_i = m_selected_item->i;
3172                         a->to_inv = s.inventoryloc;
3173                         a->to_list = s.listname;
3174                         a->to_i = s.i;
3175                         m_invmgr->inventoryAction(a);
3176                 }
3177                 else if(drop_amount > 0) {
3178                         m_selected_content_guess = ItemStack(); // Clear
3179
3180                         // Send IACTION_DROP
3181
3182                         assert(m_selected_item && m_selected_item->isValid());
3183                         assert(inv_selected);
3184                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3185                         assert(list_from);
3186                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3187
3188                         // Check how many items can be dropped
3189                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
3190                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
3191                         m_selected_amount -= drop_amount;
3192
3193                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
3194                         IDropAction *a = new IDropAction();
3195                         a->count = drop_amount;
3196                         a->from_inv = m_selected_item->inventoryloc;
3197                         a->from_list = m_selected_item->listname;
3198                         a->from_i = m_selected_item->i;
3199                         m_invmgr->inventoryAction(a);
3200                 }
3201                 else if(craft_amount > 0) {
3202                         m_selected_content_guess = ItemStack(); // Clear
3203
3204                         // Send IACTION_CRAFT
3205
3206                         assert(s.isValid());
3207                         assert(inv_s);
3208
3209                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
3210                         ICraftAction *a = new ICraftAction();
3211                         a->count = craft_amount;
3212                         a->craft_inv = s.inventoryloc;
3213                         m_invmgr->inventoryAction(a);
3214                 }
3215
3216                 // If m_selected_amount has been decreased to zero, deselect
3217                 if(m_selected_amount == 0) {
3218                         delete m_selected_item;
3219                         m_selected_item = NULL;
3220                         m_selected_amount = 0;
3221                         m_selected_dragging = false;
3222                         m_selected_content_guess = ItemStack();
3223                 }
3224                 m_old_pointer = m_pointer;
3225         }
3226         if(event.EventType==EET_GUI_EVENT) {
3227
3228                 if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
3229                                 && isVisible()) {
3230                         // find the element that was clicked
3231                         for(unsigned int i=0; i<m_fields.size(); i++) {
3232                                 FieldSpec &s = m_fields[i];
3233                                 if ((s.ftype == f_TabHeader) &&
3234                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3235                                         s.send = true;
3236                                         acceptInput();
3237                                         s.send = false;
3238                                         return true;
3239                                 }
3240                         }
3241                 }
3242                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
3243                                 && isVisible()) {
3244                         if(!canTakeFocus(event.GUIEvent.Element)) {
3245                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
3246                                                 <<std::endl;
3247                                 // Returning true disables focus change
3248                                 return true;
3249                         }
3250                 }
3251                 if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
3252                                 (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
3253                                 (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
3254                                 (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
3255                         unsigned int btn_id = event.GUIEvent.Caller->getID();
3256
3257                         if (btn_id == 257) {
3258                                 if (m_allowclose) {
3259                                         acceptInput(quit_mode_accept);
3260                                         quitMenu();
3261                                 } else {
3262                                         acceptInput();
3263                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3264                                 }
3265                                 // quitMenu deallocates menu
3266                                 return true;
3267                         }
3268
3269                         // find the element that was clicked
3270                         for(u32 i=0; i<m_fields.size(); i++) {
3271                                 FieldSpec &s = m_fields[i];
3272                                 // if its a button, set the send field so
3273                                 // lua knows which button was pressed
3274                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
3275                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3276                                         s.send = true;
3277                                         if(s.is_exit) {
3278                                                 if (m_allowclose) {
3279                                                         acceptInput(quit_mode_accept);
3280                                                         quitMenu();
3281                                                 } else {
3282                                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3283                                                 }
3284                                                 return true;
3285                                         } else {
3286                                                 acceptInput(quit_mode_no);
3287                                                 s.send = false;
3288                                                 return true;
3289                                         }
3290                                 }
3291                                 else if ((s.ftype == f_DropDown) &&
3292                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3293                                         // only send the changed dropdown
3294                                         for(u32 i=0; i<m_fields.size(); i++) {
3295                                                 FieldSpec &s2 = m_fields[i];
3296                                                 if (s2.ftype == f_DropDown) {
3297                                                         s2.send = false;
3298                                                 }
3299                                         }
3300                                         s.send = true;
3301                                         acceptInput(quit_mode_no);
3302
3303                                         // revert configuration to make sure dropdowns are sent on
3304                                         // regular button click
3305                                         for(u32 i=0; i<m_fields.size(); i++) {
3306                                                 FieldSpec &s2 = m_fields[i];
3307                                                 if (s2.ftype == f_DropDown) {
3308                                                         s2.send = true;
3309                                                 }
3310                                         }
3311                                         return true;
3312                                 }
3313                                 else if ((s.ftype == f_ScrollBar) &&
3314                                         (s.fid == event.GUIEvent.Caller->getID()))
3315                                 {
3316                                         s.fdefault = L"Changed";
3317                                         acceptInput(quit_mode_no);
3318                                         s.fdefault = L"";
3319                                 }
3320                         }
3321                 }
3322
3323                 if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
3324                         if(event.GUIEvent.Caller->getID() > 257) {
3325
3326                                 if (m_allowclose) {
3327                                         acceptInput(quit_mode_accept);
3328                                         quitMenu();
3329                                 } else {
3330                                         current_keys_pending.key_enter = true;
3331                                         acceptInput();
3332                                 }
3333                                 // quitMenu deallocates menu
3334                                 return true;
3335                         }
3336                 }
3337
3338                 if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
3339                         int current_id = event.GUIEvent.Caller->getID();
3340                         if(current_id > 257) {
3341                                 // find the element that was clicked
3342                                 for(u32 i=0; i<m_fields.size(); i++) {
3343                                         FieldSpec &s = m_fields[i];
3344                                         // if it's a table, set the send field
3345                                         // so lua knows which table was changed
3346                                         if ((s.ftype == f_Table) && (s.fid == current_id)) {
3347                                                 s.send = true;
3348                                                 acceptInput();
3349                                                 s.send=false;
3350                                         }
3351                                 }
3352                                 return true;
3353                         }
3354                 }
3355         }
3356
3357         return Parent ? Parent->OnEvent(event) : false;
3358 }
3359
3360 /**
3361  * get name of element by element id
3362  * @param id of element
3363  * @return name string or empty string
3364  */
3365 std::wstring GUIFormSpecMenu::getNameByID(s32 id)
3366 {
3367         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3368                                 iter != m_fields.end(); iter++) {
3369                 if (iter->fid == id) {
3370                         return iter->fname;
3371                 }
3372         }
3373         return L"";
3374 }
3375
3376 /**
3377  * get label of element by id
3378  * @param id of element
3379  * @return label string or empty string
3380  */
3381 std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
3382 {
3383         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3384                                 iter != m_fields.end(); iter++) {
3385                 if (iter->fid == id) {
3386                         return iter->flabel;
3387                 }
3388         }
3389         return L"";
3390 }