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_formspec_version(0)
  93 #ifdef __ANDROID__
  94         ,m_JavaDialogFieldName(L"")
  95 #endif
  96 {
  97         current_keys_pending.key_down = false;
  98         current_keys_pending.key_up = false;
  99         current_keys_pending.key_enter = false;
 100         current_keys_pending.key_escape = false;
 101
 102         m_doubleclickdetect[0].time = 0;
 103         m_doubleclickdetect[1].time = 0;
 104
 105         m_doubleclickdetect[0].pos = v2s32(0, 0);
 106         m_doubleclickdetect[1].pos = v2s32(0, 0);
 107
 108         m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
 109 }
 110
 111 GUIFormSpecMenu::~GUIFormSpecMenu()
 112 {
 113         removeChildren();
 114
 115         for (u32 i = 0; i < m_tables.size(); ++i) {
 116                 GUITable *table = m_tables[i].second;
 117                 table->drop();
 118         }
 119
 120         delete m_selected_item;
 121
 122         if (m_form_src != NULL) {
 123                 delete m_form_src;
 124         }
 125         if (m_text_dst != NULL) {
 126                 delete m_text_dst;
 127         }
 128 }
 129
 130 void GUIFormSpecMenu::removeChildren()
 131 {
 132         const core::list<gui::IGUIElement*> &children = getChildren();
 133
 134         while(!children.empty()) {
 135                 (*children.getLast())->remove();
 136         }
 137
 138         if(m_tooltip_element) {
 139                 m_tooltip_element->remove();
 140                 m_tooltip_element->drop();
 141                 m_tooltip_element = NULL;
 142         }
 143
 144 }
 145
 146 void GUIFormSpecMenu::setInitialFocus()
 147 {
 148         // Set initial focus according to following order of precedence:
 149         // 1. first empty editbox
 150         // 2. first editbox
 151         // 3. first table
 152         // 4. last button
 153         // 5. first focusable (not statictext, not tabheader)
 154         // 6. first child element
 155
 156         core::list<gui::IGUIElement*> children = getChildren();
 157
 158         // in case "children" contains any NULL elements, remove them
 159         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 160                         it != children.end();) {
 161                 if (*it)
 162                         ++it;
 163                 else
 164                         it = children.erase(it);
 165         }
 166
 167         // 1. first empty editbox
 168         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 169                         it != children.end(); ++it) {
 170                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
 171                                 && (*it)->getText()[0] == 0) {
 172                         Environment->setFocus(*it);
 173                         return;
 174                 }
 175         }
 176
 177         // 2. first editbox
 178         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 179                         it != children.end(); ++it) {
 180                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
 181                         Environment->setFocus(*it);
 182                         return;
 183                 }
 184         }
 185
 186         // 3. first table
 187         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 188                         it != children.end(); ++it) {
 189                 if ((*it)->getTypeName() == std::string("GUITable")) {
 190                         Environment->setFocus(*it);
 191                         return;
 192                 }
 193         }
 194
 195         // 4. last button
 196         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
 197                         it != children.end(); --it) {
 198                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
 199                         Environment->setFocus(*it);
 200                         return;
 201                 }
 202         }
 203
 204         // 5. first focusable (not statictext, not tabheader)
 205         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 206                         it != children.end(); ++it) {
 207                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
 208                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
 209                         Environment->setFocus(*it);
 210                         return;
 211                 }
 212         }
 213
 214         // 6. first child element
 215         if (children.empty())
 216                 Environment->setFocus(this);
 217         else
 218                 Environment->setFocus(*(children.begin()));
 219 }
 220
 221 GUITable* GUIFormSpecMenu::getTable(std::wstring tablename)
 222 {
 223         for (u32 i = 0; i < m_tables.size(); ++i) {
 224                 if (tablename == m_tables[i].first.fname)
 225                         return m_tables[i].second;
 226         }
 227         return 0;
 228 }
 229
 230 std::vector<std::string> split(const std::string &s, char delim) {
 231         std::vector<std::string> tokens;
 232
 233         std::string current = "";
 234         bool last_was_escape = false;
 235         for(unsigned int i=0; i < s.size(); i++) {
 236                 if (last_was_escape) {
 237                         current += '\\';
 238                         current += s.c_str()[i];
 239                         last_was_escape = false;
 240                 }
 241                 else {
 242                         if (s.c_str()[i] == delim) {
 243                                 tokens.push_back(current);
 244                                 current = "";
 245                                 last_was_escape = false;
 246                         }
 247                         else if (s.c_str()[i] == '\\'){
 248                                 last_was_escape = true;
 249                         }
 250                         else {
 251                                 current += s.c_str()[i];
 252                                 last_was_escape = false;
 253                         }
 254                 }
 255         }
 256         //push last element
 257         tokens.push_back(current);
 258
 259         return tokens;
 260 }
 261
 262 void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
 263 {
 264         std::vector<std::string> parts = split(element,',');
 265
 266         if (((parts.size() == 2) || parts.size() == 3) ||
 267                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 268         {
 269                 v2f invsize;
 270
 271                 if (parts[1].find(';') != std::string::npos)
 272                         parts[1] = parts[1].substr(0,parts[1].find(';'));
 273
 274                 invsize.X = stof(parts[0]);
 275                 invsize.Y = stof(parts[1]);
 276
 277                 lockSize(false);
 278                 if (parts.size() == 3) {
 279                         if (parts[2] == "true") {
 280                                 lockSize(true,v2u32(800,600));
 281                         }
 282                 }
 283
 284                 double cur_scaling = porting::getDisplayDensity() *
 285                                 g_settings->getFloat("gui_scaling");
 286
 287                 if (m_lock) {
 288                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
 289                         v2u32 delta = current_screensize - m_lockscreensize;
 290
 291                         if (current_screensize.Y > m_lockscreensize.Y)
 292                                 delta.Y /= 2;
 293                         else
 294                                 delta.Y = 0;
 295
 296                         if (current_screensize.X > m_lockscreensize.X)
 297                                 delta.X /= 2;
 298                         else
 299                                 delta.X = 0;
 300
 301                         offset = v2s32(delta.X,delta.Y);
 302
 303                         data->screensize = m_lockscreensize;
 304
 305                         // fixed scaling for fixed size gui elements */
 306                         cur_scaling = LEGACY_SCALING;
 307                 }
 308                 else {
 309                         offset = v2s32(0,0);
 310                 }
 311
 312                 /* adjust image size to dpi */
 313                 int y_partition = 15;
 314                 imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 315                 int min_imgsize = DEFAULT_IMGSIZE * cur_scaling;
 316                 while ((min_imgsize > imgsize.Y) && (y_partition > 1)) {
 317                         y_partition--;
 318                         imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 319                 }
 320                 assert(y_partition > 0);
 321
 322                 /* adjust spacing to dpi */
 323                 spacing = v2s32(imgsize.X+(DEFAULT_XSPACING * cur_scaling),
 324                                 imgsize.Y+(DEFAULT_YSPACING * cur_scaling));
 325
 326                 padding = v2s32(data->screensize.Y/imgsize.Y, data->screensize.Y/imgsize.Y);
 327
 328                 /* adjust padding to dpi */
 329                 padding = v2s32(
 330                                 (padding.X/(2.0/3.0)) * cur_scaling,
 331                                 (padding.X/(2.0/3.0)) * cur_scaling
 332                                 );
 333                 data->size = v2s32(
 334                         padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 335                         padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + m_btn_height - 5
 336                 );
 337                 data->rect = core::rect<s32>(
 338                                 data->screensize.X/2 - data->size.X/2 + offset.X,
 339                                 data->screensize.Y/2 - data->size.Y/2 + offset.Y,
 340                                 data->screensize.X/2 + data->size.X/2 + offset.X,
 341                                 data->screensize.Y/2 + data->size.Y/2 + offset.Y
 342                 );
 343
 344                 DesiredRect = data->rect;
 345                 recalculateAbsolutePosition(false);
 346                 data->basepos = getBasePos();
 347                 data->bp_set = 2;
 348                 return;
 349         }
 350         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
 351 }
 352
 353 void GUIFormSpecMenu::parseList(parserData* data,std::string element)
 354 {
 355         if (m_gamedef == 0) {
 356                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
 357                 return;
 358         }
 359
 360         std::vector<std::string> parts = split(element,';');
 361
 362         if (((parts.size() == 4) || (parts.size() == 5)) ||
 363                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 364         {
 365                 std::string location = parts[0];
 366                 std::string listname = parts[1];
 367                 std::vector<std::string> v_pos  = split(parts[2],',');
 368                 std::vector<std::string> v_geom = split(parts[3],',');
 369                 std::string startindex = "";
 370                 if (parts.size() == 5)
 371                         startindex = parts[4];
 372
 373                 MY_CHECKPOS("list",2);
 374                 MY_CHECKGEOM("list",3);
 375
 376                 InventoryLocation loc;
 377
 378                 if(location == "context" || location == "current_name")
 379                         loc = m_current_inventory_location;
 380                 else
 381                         loc.deSerialize(location);
 382
 383                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 384                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 385                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 386
 387                 v2s32 geom;
 388                 geom.X = stoi(v_geom[0]);
 389                 geom.Y = stoi(v_geom[1]);
 390
 391                 s32 start_i = 0;
 392                 if(startindex != "")
 393                         start_i = stoi(startindex);
 394
 395                 if (geom.X < 0 || geom.Y < 0 || start_i < 0) {
 396                         errorstream<< "Invalid list element: '" << element << "'"  << std::endl;
 397                         return;
 398                 }
 399
 400                 if(data->bp_set != 2)
 401                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 402                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 403                 return;
 404         }
 405         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
 406 }
 407
 408 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 409 {
 410         std::vector<std::string> parts = split(element,';');
 411
 412         if (((parts.size() >= 3) || (parts.size() <= 4)) ||
 413                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 414         {
 415                 std::vector<std::string> v_pos = split(parts[0],',');
 416                 std::string name = parts[1];
 417                 std::string label = parts[2];
 418                 std::string selected = "";
 419
 420                 if (parts.size() >= 4)
 421                         selected = parts[3];
 422
 423                 MY_CHECKPOS("checkbox",0);
 424
 425                 v2s32 pos = padding;
 426                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 427                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 428
 429                 bool fselected = false;
 430
 431                 if (selected == "true")
 432                         fselected = true;
 433
 434                 std::wstring wlabel = narrow_to_wide(label.c_str());
 435
 436                 gui::IGUIFont *font = NULL;
 437                 gui::IGUISkin* skin = Environment->getSkin();
 438                 if (skin)
 439                         font = skin->getFont();
 440
 441                 core::rect<s32> rect = core::rect<s32>(
 442                                 pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
 443                                 pos.X + font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
 444                                 pos.Y + ((imgsize.Y/2) + m_btn_height));
 445
 446                 FieldSpec spec(
 447                                 narrow_to_wide(name.c_str()),
 448                                 wlabel, //Needed for displaying text on MSVC
 449                                 wlabel,
 450                                 258+m_fields.size()
 451                         );
 452
 453                 spec.ftype = f_CheckBox;
 454
 455                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
 456                                         spec.fid, spec.flabel.c_str());
 457
 458                 if (spec.fname == data->focused_fieldname) {
 459                         Environment->setFocus(e);
 460                 }
 461
 462                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
 463                 m_fields.push_back(spec);
 464                 return;
 465         }
 466         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 467 }
 468
 469 void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
 470 {
 471         std::vector<std::string> parts = split(element,';');
 472
 473         if (parts.size() >= 5) {
 474                 std::vector<std::string> v_pos = split(parts[0],',');
 475                 std::vector<std::string> v_dim = split(parts[1],',');
 476                 std::string name = parts[2];
 477                 std::string value = parts[4];
 478
 479                 MY_CHECKPOS("scrollbar",0);
 480
 481                 v2s32 pos = padding;
 482                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 483                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 484
 485                 if (v_dim.size() != 2) {
 486                         errorstream<< "Invalid size for element " << "scrollbar"
 487                                 << "specified: \"" << parts[1] << "\"" << std::endl;
 488                         return;
 489                 }
 490
 491                 v2s32 dim;
 492                 dim.X = stof(v_dim[0]) * (float) spacing.X;
 493                 dim.Y = stof(v_dim[1]) * (float) spacing.Y;
 494
 495                 core::rect<s32> rect =
 496                                 core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
 497
 498                 FieldSpec spec(
 499                                 narrow_to_wide(name.c_str()),
 500                                 L"",
 501                                 L"",
 502                                 258+m_fields.size()
 503                         );
 504
 505                 bool is_horizontal = true;
 506
 507                 if (parts[2] == "vertical")
 508                         is_horizontal = false;
 509
 510                 spec.ftype = f_ScrollBar;
 511                 spec.send  = true;
 512                 gui::IGUIScrollBar* e =
 513                                 Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
 514
 515                 e->setMax(1000);
 516                 e->setMin(0);
 517                 e->setPos(stoi(parts[4]));
 518                 e->setSmallStep(10);
 519                 e->setLargeStep(100);
 520
 521                 if (!m_lock) {
 522                         core::rect<s32> relative_rect = e->getRelativePosition();
 523
 524                         if (!is_horizontal) {
 525                                 s32 original_width = relative_rect.getWidth();
 526                                 s32 width = (original_width/(2.0/3.0))
 527                                                 * porting::getDisplayDensity()
 528                                                 * g_settings->getFloat("gui_scaling");
 529                                 e->setRelativePosition(core::rect<s32>(
 530                                                 relative_rect.UpperLeftCorner.X,
 531                                                 relative_rect.UpperLeftCorner.Y,
 532                                                 relative_rect.LowerRightCorner.X + (width - original_width),
 533                                                 relative_rect.LowerRightCorner.Y
 534                                         ));
 535                         }
 536                         else  {
 537                                 s32 original_height = relative_rect.getHeight();
 538                                 s32 height = (original_height/(2.0/3.0))
 539                                                 * porting::getDisplayDensity()
 540                                                 * g_settings->getFloat("gui_scaling");
 541                                 e->setRelativePosition(core::rect<s32>(
 542                                                 relative_rect.UpperLeftCorner.X,
 543                                                 relative_rect.UpperLeftCorner.Y,
 544                                                 relative_rect.LowerRightCorner.X,
 545                                                 relative_rect.LowerRightCorner.Y + (height - original_height)
 546                                         ));
 547                         }
 548                 }
 549
 550                 m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
 551                 m_fields.push_back(spec);
 552                 return;
 553         }
 554         errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
 555 }
 556
 557 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
 558 {
 559         std::vector<std::string> parts = split(element,';');
 560
 561         if ((parts.size() == 3) ||
 562                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 563         {
 564                 std::vector<std::string> v_pos = split(parts[0],',');
 565                 std::vector<std::string> v_geom = split(parts[1],',');
 566                 std::string name = unescape_string(parts[2]);
 567
 568                 MY_CHECKPOS("image",0);
 569                 MY_CHECKGEOM("image",1);
 570
 571                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 572                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 573                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 574
 575                 v2s32 geom;
 576                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 577                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 578
 579                 if(data->bp_set != 2)
 580                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 581                 m_images.push_back(ImageDrawSpec(name, pos, geom));
 582                 return;
 583         }
 584
 585         if (parts.size() == 2) {
 586                 std::vector<std::string> v_pos = split(parts[0],',');
 587                 std::string name = unescape_string(parts[1]);
 588
 589                 MY_CHECKPOS("image",0);
 590
 591                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 592                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 593                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 594
 595                 if(data->bp_set != 2)
 596                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 597                 m_images.push_back(ImageDrawSpec(name, pos));
 598                 return;
 599         }
 600         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
 601 }
 602
 603 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
 604 {
 605         std::vector<std::string> parts = split(element,';');
 606
 607         if ((parts.size() == 3) ||
 608                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 609         {
 610                 std::vector<std::string> v_pos = split(parts[0],',');
 611                 std::vector<std::string> v_geom = split(parts[1],',');
 612                 std::string name = parts[2];
 613
 614                 MY_CHECKPOS("itemimage",0);
 615                 MY_CHECKGEOM("itemimage",1);
 616
 617                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 618                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 619                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 620
 621                 v2s32 geom;
 622                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 623                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 624
 625                 if(data->bp_set != 2)
 626                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 627                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 628                 return;
 629         }
 630         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
 631 }
 632
 633 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 634                 std::string type)
 635 {
 636         std::vector<std::string> parts = split(element,';');
 637
 638         if ((parts.size() == 4) ||
 639                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 640         {
 641                 std::vector<std::string> v_pos = split(parts[0],',');
 642                 std::vector<std::string> v_geom = split(parts[1],',');
 643                 std::string name = parts[2];
 644                 std::string label = parts[3];
 645
 646                 MY_CHECKPOS("button",0);
 647                 MY_CHECKGEOM("button",1);
 648
 649                 v2s32 pos = padding;
 650                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 651                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 652
 653                 v2s32 geom;
 654                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 655                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 656
 657                 core::rect<s32> rect =
 658                                 core::rect<s32>(pos.X, pos.Y - m_btn_height,
 659                                                 pos.X + geom.X, pos.Y + m_btn_height);
 660
 661                 if(data->bp_set != 2)
 662                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 663
 664                 label = unescape_string(label);
 665
 666                 std::wstring wlabel = narrow_to_wide(label.c_str());
 667
 668                 FieldSpec spec(
 669                         narrow_to_wide(name.c_str()),
 670                         wlabel,
 671                         L"",
 672                         258+m_fields.size()
 673                 );
 674                 spec.ftype = f_Button;
 675                 if(type == "button_exit")
 676                         spec.is_exit = true;
 677                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
 678                                 spec.flabel.c_str());
 679
 680                 if (spec.fname == data->focused_fieldname) {
 681                         Environment->setFocus(e);
 682                 }
 683
 684                 m_fields.push_back(spec);
 685                 return;
 686         }
 687         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
 688 }
 689
 690 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
 691 {
 692         std::vector<std::string> parts = split(element,';');
 693
 694         if (((parts.size() == 3) || (parts.size() == 4)) ||
 695                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 696         {
 697                 std::vector<std::string> v_pos = split(parts[0],',');
 698                 std::vector<std::string> v_geom = split(parts[1],',');
 699                 std::string name = unescape_string(parts[2]);
 700
 701                 MY_CHECKPOS("background",0);
 702                 MY_CHECKGEOM("background",1);
 703
 704                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 705                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 706                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 707
 708                 v2s32 geom;
 709                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 710                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 711
 712                 if (parts.size() == 4) {
 713                         m_clipbackground = is_yes(parts[3]);
 714                         if (m_clipbackground) {
 715                                 pos.X = stoi(v_pos[0]); //acts as offset
 716                                 pos.Y = stoi(v_pos[1]); //acts as offset
 717                         }
 718                 }
 719
 720                 if(data->bp_set != 2)
 721                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 722                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 723                 return;
 724         }
 725         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
 726 }
 727
 728 void GUIFormSpecMenu::parseTableOptions(parserData* data,std::string element)
 729 {
 730         std::vector<std::string> parts = split(element,';');
 731
 732         data->table_options.clear();
 733         for (size_t i = 0; i < parts.size(); ++i) {
 734                 // Parse table option
 735                 std::string opt = unescape_string(parts[i]);
 736                 data->table_options.push_back(GUITable::splitOption(opt));
 737         }
 738 }
 739
 740 void GUIFormSpecMenu::parseTableColumns(parserData* data,std::string element)
 741 {
 742         std::vector<std::string> parts = split(element,';');
 743
 744         data->table_columns.clear();
 745         for (size_t i = 0; i < parts.size(); ++i) {
 746                 std::vector<std::string> col_parts = split(parts[i],',');
 747                 GUITable::TableColumn column;
 748                 // Parse column type
 749                 if (!col_parts.empty())
 750                         column.type = col_parts[0];
 751                 // Parse column options
 752                 for (size_t j = 1; j < col_parts.size(); ++j) {
 753                         std::string opt = unescape_string(col_parts[j]);
 754                         column.options.push_back(GUITable::splitOption(opt));
 755                 }
 756                 data->table_columns.push_back(column);
 757         }
 758 }
 759
 760 void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 761 {
 762         std::vector<std::string> parts = split(element,';');
 763
 764         if (((parts.size() == 4) || (parts.size() == 5)) ||
 765                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 766         {
 767                 std::vector<std::string> v_pos = split(parts[0],',');
 768                 std::vector<std::string> v_geom = split(parts[1],',');
 769                 std::string name = parts[2];
 770                 std::vector<std::string> items = split(parts[3],',');
 771                 std::string str_initial_selection = "";
 772                 std::string str_transparent = "false";
 773
 774                 if (parts.size() >= 5)
 775                         str_initial_selection = parts[4];
 776
 777                 MY_CHECKPOS("table",0);
 778                 MY_CHECKGEOM("table",1);
 779
 780                 v2s32 pos = padding;
 781                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 782                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 783
 784                 v2s32 geom;
 785                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 786                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 787
 788
 789                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 790
 791                 std::wstring fname_w = narrow_to_wide(name.c_str());
 792
 793                 FieldSpec spec(
 794                         fname_w,
 795                         L"",
 796                         L"",
 797                         258+m_fields.size()
 798                 );
 799
 800                 spec.ftype = f_Table;
 801
 802                 for (unsigned int i = 0; i < items.size(); ++i) {
 803                         items[i] = unescape_string(items[i]);
 804                 }
 805
 806                 //now really show table
 807                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 808                                 m_tsrc);
 809
 810                 if (spec.fname == data->focused_fieldname) {
 811                         Environment->setFocus(e);
 812                 }
 813
 814                 e->setTable(data->table_options, data->table_columns, items);
 815
 816                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 817                         e->setDynamicData(data->table_dyndata[fname_w]);
 818                 }
 819
 820                 if ((str_initial_selection != "") &&
 821                                 (str_initial_selection != "0"))
 822                         e->setSelected(stoi(str_initial_selection.c_str()));
 823
 824                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 825                 m_fields.push_back(spec);
 826                 return;
 827         }
 828         errorstream<< "Invalid table element(" << parts.size() << "): '" << element << "'"  << std::endl;
 829 }
 830
 831 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 832 {
 833         std::vector<std::string> parts = split(element,';');
 834
 835         if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
 836                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
 837         {
 838                 std::vector<std::string> v_pos = split(parts[0],',');
 839                 std::vector<std::string> v_geom = split(parts[1],',');
 840                 std::string name = parts[2];
 841                 std::vector<std::string> items = split(parts[3],',');
 842                 std::string str_initial_selection = "";
 843                 std::string str_transparent = "false";
 844
 845                 if (parts.size() >= 5)
 846                         str_initial_selection = parts[4];
 847
 848                 if (parts.size() >= 6)
 849                         str_transparent = parts[5];
 850
 851                 MY_CHECKPOS("textlist",0);
 852                 MY_CHECKGEOM("textlist",1);
 853
 854                 v2s32 pos = padding;
 855                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 856                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 857
 858                 v2s32 geom;
 859                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 860                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 861
 862
 863                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 864
 865                 std::wstring fname_w = narrow_to_wide(name.c_str());
 866
 867                 FieldSpec spec(
 868                         fname_w,
 869                         L"",
 870                         L"",
 871                         258+m_fields.size()
 872                 );
 873
 874                 spec.ftype = f_Table;
 875
 876                 for (unsigned int i = 0; i < items.size(); ++i) {
 877                         items[i] = unescape_string(items[i]);
 878                 }
 879
 880                 //now really show list
 881                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 882                                 m_tsrc);
 883
 884                 if (spec.fname == data->focused_fieldname) {
 885                         Environment->setFocus(e);
 886                 }
 887
 888                 e->setTextList(items, is_yes(str_transparent));
 889
 890                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 891                         e->setDynamicData(data->table_dyndata[fname_w]);
 892                 }
 893
 894                 if ((str_initial_selection != "") &&
 895                                 (str_initial_selection != "0"))
 896                         e->setSelected(stoi(str_initial_selection.c_str()));
 897
 898                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 899                 m_fields.push_back(spec);
 900                 return;
 901         }
 902         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
 903 }
 904
 905
 906 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 907 {
 908         std::vector<std::string> parts = split(element,';');
 909
 910         if ((parts.size() == 5) ||
 911                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 912         {
 913                 std::vector<std::string> v_pos = split(parts[0],',');
 914                 std::string name = parts[2];
 915                 std::vector<std::string> items = split(parts[3],',');
 916                 std::string str_initial_selection = "";
 917                 str_initial_selection = parts[4];
 918
 919                 MY_CHECKPOS("dropdown",0);
 920
 921                 v2s32 pos = padding;
 922                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 923                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 924
 925                 s32 width = stof(parts[1]) * (float)spacing.Y;
 926
 927                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
 928                                 pos.X + width, pos.Y + (m_btn_height * 2));
 929
 930                 std::wstring fname_w = narrow_to_wide(name.c_str());
 931
 932                 FieldSpec spec(
 933                         fname_w,
 934                         L"",
 935                         L"",
 936                         258+m_fields.size()
 937                 );
 938
 939                 spec.ftype = f_DropDown;
 940                 spec.send = true;
 941
 942                 //now really show list
 943                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
 944
 945                 if (spec.fname == data->focused_fieldname) {
 946                         Environment->setFocus(e);
 947                 }
 948
 949                 for (unsigned int i=0; i < items.size(); i++) {
 950                         e->addItem(narrow_to_wide(items[i]).c_str());
 951                 }
 952
 953                 if (str_initial_selection != "")
 954                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 955
 956                 m_fields.push_back(spec);
 957                 return;
 958         }
 959         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
 960                                 << element << "'"  << std::endl;
 961 }
 962
 963 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 964 {
 965         std::vector<std::string> parts = split(element,';');
 966
 967         if ((parts.size() == 4) ||
 968                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 969         {
 970                 std::vector<std::string> v_pos = split(parts[0],',');
 971                 std::vector<std::string> v_geom = split(parts[1],',');
 972                 std::string name = parts[2];
 973                 std::string label = parts[3];
 974
 975                 MY_CHECKPOS("pwdfield",0);
 976                 MY_CHECKGEOM("pwdfield",1);
 977
 978                 v2s32 pos;
 979                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 980                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 981
 982                 v2s32 geom;
 983                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 984
 985                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 986                 pos.Y -= m_btn_height;
 987                 geom.Y = m_btn_height*2;
 988
 989                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 990
 991                 label = unescape_string(label);
 992
 993                 std::wstring wlabel = narrow_to_wide(label.c_str());
 994
 995                 FieldSpec spec(
 996                         narrow_to_wide(name.c_str()),
 997                         wlabel,
 998                         L"",
 999                         258+m_fields.size()
1000                         );
1001
1002                 spec.send = true;
1003                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
1004
1005                 if (spec.fname == data->focused_fieldname) {
1006                         Environment->setFocus(e);
1007                 }
1008
1009                 if (label.length() >= 1)
1010                 {
1011                         rect.UpperLeftCorner.Y -= m_btn_height;
1012                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1013                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1014                 }
1015
1016                 e->setPasswordBox(true,L'*');
1017
1018                 irr::SEvent evt;
1019                 evt.EventType            = EET_KEY_INPUT_EVENT;
1020                 evt.KeyInput.Key         = KEY_END;
1021                 evt.KeyInput.Char        = 0;
1022                 evt.KeyInput.Control     = 0;
1023                 evt.KeyInput.Shift       = 0;
1024                 evt.KeyInput.PressedDown = true;
1025                 e->OnEvent(evt);
1026                 m_fields.push_back(spec);
1027                 return;
1028         }
1029         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
1030 }
1031
1032 void GUIFormSpecMenu::parseSimpleField(parserData* data,
1033                 std::vector<std::string> &parts)
1034 {
1035         std::string name = parts[0];
1036         std::string label = parts[1];
1037         std::string default_val = parts[2];
1038
1039         core::rect<s32> rect;
1040
1041         if(!data->bp_set)
1042         {
1043                 rect = core::rect<s32>(
1044                         data->screensize.X/2 - 580/2,
1045                         data->screensize.Y/2 - 300/2,
1046                         data->screensize.X/2 + 580/2,
1047                         data->screensize.Y/2 + 300/2
1048                 );
1049                 DesiredRect = rect;
1050                 recalculateAbsolutePosition(false);
1051                 data->basepos = getBasePos();
1052                 data->bp_set = 1;
1053         }
1054         else if(data->bp_set == 2)
1055                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
1056
1057         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1058         pos.Y = ((m_fields.size()+2)*60);
1059         v2s32 size = DesiredRect.getSize();
1060
1061         rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
1062                         (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
1063
1064
1065         if(m_form_src)
1066                 default_val = m_form_src->resolveText(default_val);
1067
1068         default_val = unescape_string(default_val);
1069         label = unescape_string(label);
1070
1071         std::wstring wlabel = narrow_to_wide(label.c_str());
1072
1073         FieldSpec spec(
1074                 narrow_to_wide(name.c_str()),
1075                 wlabel,
1076                 narrow_to_wide(default_val.c_str()),
1077                 258+m_fields.size()
1078         );
1079
1080         if (name == "")
1081         {
1082                 // spec field id to 0, this stops submit searching for a value that isn't there
1083                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1084         }
1085         else
1086         {
1087                 spec.send = true;
1088                 gui::IGUIEditBox *e =
1089                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1090
1091                 if (spec.fname == data->focused_fieldname) {
1092                         Environment->setFocus(e);
1093                 }
1094
1095                 irr::SEvent evt;
1096                 evt.EventType            = EET_KEY_INPUT_EVENT;
1097                 evt.KeyInput.Key         = KEY_END;
1098                 evt.KeyInput.Char        = 0;
1099                 evt.KeyInput.Control     = 0;
1100                 evt.KeyInput.Shift       = 0;
1101                 evt.KeyInput.PressedDown = true;
1102                 e->OnEvent(evt);
1103
1104                 if (label.length() >= 1)
1105                 {
1106                         rect.UpperLeftCorner.Y -= m_btn_height;
1107                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1108                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1109                 }
1110         }
1111
1112         m_fields.push_back(spec);
1113 }
1114
1115 void GUIFormSpecMenu::parseTextArea(parserData* data,
1116                 std::vector<std::string>& parts,std::string type)
1117 {
1118
1119         std::vector<std::string> v_pos = split(parts[0],',');
1120         std::vector<std::string> v_geom = split(parts[1],',');
1121         std::string name = parts[2];
1122         std::string label = parts[3];
1123         std::string default_val = parts[4];
1124
1125         MY_CHECKPOS(type,0);
1126         MY_CHECKGEOM(type,1);
1127
1128         v2s32 pos;
1129         pos.X = stof(v_pos[0]) * (float) spacing.X;
1130         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
1131
1132         v2s32 geom;
1133
1134         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1135
1136         if (type == "textarea")
1137         {
1138                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
1139                 pos.Y += m_btn_height;
1140         }
1141         else
1142         {
1143                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
1144                 pos.Y -= m_btn_height;
1145                 geom.Y = m_btn_height*2;
1146         }
1147
1148         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1149
1150         if(data->bp_set != 2)
1151                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
1152
1153         if(m_form_src)
1154                 default_val = m_form_src->resolveText(default_val);
1155
1156
1157         default_val = unescape_string(default_val);
1158         label = unescape_string(label);
1159
1160         std::wstring wlabel = narrow_to_wide(label.c_str());
1161
1162         FieldSpec spec(
1163                 narrow_to_wide(name.c_str()),
1164                 wlabel,
1165                 narrow_to_wide(default_val.c_str()),
1166                 258+m_fields.size()
1167         );
1168
1169         if (name == "")
1170         {
1171                 // spec field id to 0, this stops submit searching for a value that isn't there
1172                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1173         }
1174         else
1175         {
1176                 spec.send = true;
1177                 gui::IGUIEditBox *e =
1178                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1179
1180                 if (spec.fname == data->focused_fieldname) {
1181                         Environment->setFocus(e);
1182                 }
1183
1184                 if (type == "textarea")
1185                 {
1186                         e->setMultiLine(true);
1187                         e->setWordWrap(true);
1188                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1189                 } else {
1190                         irr::SEvent evt;
1191                         evt.EventType            = EET_KEY_INPUT_EVENT;
1192                         evt.KeyInput.Key         = KEY_END;
1193                         evt.KeyInput.Char        = 0;
1194                         evt.KeyInput.Control     = 0;
1195                         evt.KeyInput.Shift       = 0;
1196                         evt.KeyInput.PressedDown = true;
1197                         e->OnEvent(evt);
1198                 }
1199
1200                 if (label.length() >= 1)
1201                 {
1202                         rect.UpperLeftCorner.Y -= m_btn_height;
1203                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1204                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1205                 }
1206         }
1207         m_fields.push_back(spec);
1208 }
1209
1210 void GUIFormSpecMenu::parseField(parserData* data,std::string element,
1211                 std::string type)
1212 {
1213         std::vector<std::string> parts = split(element,';');
1214
1215         if (parts.size() == 3 || parts.size() == 4) {
1216                 parseSimpleField(data,parts);
1217                 return;
1218         }
1219
1220         if ((parts.size() == 5) ||
1221                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1222         {
1223                 parseTextArea(data,parts,type);
1224                 return;
1225         }
1226         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1227 }
1228
1229 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
1230 {
1231         std::vector<std::string> parts = split(element,';');
1232
1233         if ((parts.size() == 2) ||
1234                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1235         {
1236                 std::vector<std::string> v_pos = split(parts[0],',');
1237                 std::string text = parts[1];
1238
1239                 MY_CHECKPOS("label",0);
1240
1241                 v2s32 pos = padding;
1242                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1243                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1244
1245                 if(data->bp_set != 2)
1246                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1247
1248                 text = unescape_string(text);
1249
1250                 std::wstring wlabel = narrow_to_wide(text.c_str());
1251
1252                 gui::IGUIFont *font = NULL;
1253                                 gui::IGUISkin* skin = Environment->getSkin();
1254                                 if (skin)
1255                                         font = skin->getFont();
1256
1257                 core::rect<s32> rect = core::rect<s32>(
1258                                 pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
1259                                 pos.X + font->getDimension(wlabel.c_str()).Width,
1260                                 pos.Y+((imgsize.Y/2) + m_btn_height));
1261
1262                 FieldSpec spec(
1263                         L"",
1264                         wlabel,
1265                         L"",
1266                         258+m_fields.size()
1267                 );
1268                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1269                 m_fields.push_back(spec);
1270                 return;
1271         }
1272         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1273 }
1274
1275 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
1276 {
1277         std::vector<std::string> parts = split(element,';');
1278
1279         if ((parts.size() == 2) ||
1280                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1281         {
1282                 std::vector<std::string> v_pos = split(parts[0],',');
1283                 std::wstring text = narrow_to_wide(unescape_string(parts[1]));
1284
1285                 MY_CHECKPOS("vertlabel",1);
1286
1287                 v2s32 pos = padding;
1288                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1289                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1290
1291                 gui::IGUIFont *font = NULL;
1292                                 gui::IGUISkin* skin = Environment->getSkin();
1293                                 if (skin)
1294                                         font = skin->getFont();
1295
1296                 core::rect<s32> rect = core::rect<s32>(
1297                                 pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
1298                                 pos.X+15, pos.Y +
1299                                         (font->getKerningHeight() +
1300                                         font->getDimension(text.c_str()).Height)
1301                                         * (text.length()+1)
1302                                         +((imgsize.Y/2)- m_btn_height));
1303                 //actually text.length() would be correct but adding +1 avoids to break all mods
1304
1305                 if(data->bp_set != 2)
1306                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1307
1308                 std::wstring label = L"";
1309
1310                 for (unsigned int i=0; i < text.length(); i++) {
1311                         label += text[i];
1312                         label += L"\n";
1313                 }
1314
1315                 FieldSpec spec(
1316                         L"",
1317                         label,
1318                         L"",
1319                         258+m_fields.size()
1320                 );
1321                 gui::IGUIStaticText *t =
1322                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1323                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1324                 m_fields.push_back(spec);
1325                 return;
1326         }
1327         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1328 }
1329
1330 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
1331                 std::string type)
1332 {
1333         std::vector<std::string> parts = split(element,';');
1334
1335         if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
1336                 ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
1337         {
1338                 std::vector<std::string> v_pos = split(parts[0],',');
1339                 std::vector<std::string> v_geom = split(parts[1],',');
1340                 std::string image_name = parts[2];
1341                 std::string name = parts[3];
1342                 std::string label = parts[4];
1343
1344                 MY_CHECKPOS("imagebutton",0);
1345                 MY_CHECKGEOM("imagebutton",1);
1346
1347                 v2s32 pos = padding;
1348                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1349                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1350                 v2s32 geom;
1351                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1352                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1353
1354                 bool noclip     = false;
1355                 bool drawborder = true;
1356                 std::string pressed_image_name = "";
1357
1358                 if (parts.size() >= 7) {
1359                         if (parts[5] == "true")
1360                                 noclip = true;
1361                         if (parts[6] == "false")
1362                                 drawborder = false;
1363                 }
1364
1365                 if (parts.size() >= 8) {
1366                         pressed_image_name = parts[7];
1367                 }
1368
1369                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1370
1371                 if(data->bp_set != 2)
1372                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1373
1374                 image_name = unescape_string(image_name);
1375                 pressed_image_name = unescape_string(pressed_image_name);
1376                 label = unescape_string(label);
1377
1378                 std::wstring wlabel = narrow_to_wide(label.c_str());
1379
1380                 FieldSpec spec(
1381                         narrow_to_wide(name.c_str()),
1382                         wlabel,
1383                         narrow_to_wide(image_name.c_str()),
1384                         258+m_fields.size()
1385                 );
1386                 spec.ftype = f_Button;
1387                 if(type == "image_button_exit")
1388                         spec.is_exit = true;
1389
1390                 video::ITexture *texture = 0;
1391                 video::ITexture *pressed_texture = 0;
1392                 texture = m_tsrc->getTexture(image_name);
1393                 if (pressed_image_name != "")
1394                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1395                 else
1396                         pressed_texture = texture;
1397
1398                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1399
1400                 if (spec.fname == data->focused_fieldname) {
1401                         Environment->setFocus(e);
1402                 }
1403
1404                 e->setUseAlphaChannel(true);
1405                 e->setImage(texture);
1406                 e->setPressedImage(pressed_texture);
1407                 e->setScaleImage(true);
1408                 e->setNotClipped(noclip);
1409                 e->setDrawBorder(drawborder);
1410
1411                 m_fields.push_back(spec);
1412                 return;
1413         }
1414
1415         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1416 }
1417
1418 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
1419 {
1420         std::vector<std::string> parts = split(element,';');
1421
1422         if (((parts.size() == 4) || (parts.size() == 6)) ||
1423                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
1424         {
1425                 std::vector<std::string> v_pos = split(parts[0],',');
1426                 std::string name = parts[1];
1427                 std::vector<std::string> buttons = split(parts[2],',');
1428                 std::string str_index = parts[3];
1429                 bool show_background = true;
1430                 bool show_border = true;
1431                 int tab_index = stoi(str_index) -1;
1432
1433                 MY_CHECKPOS("tabheader",0);
1434
1435                 if (parts.size() == 6) {
1436                         if (parts[4] == "true")
1437                                 show_background = false;
1438                         if (parts[5] == "false")
1439                                 show_border = false;
1440                 }
1441
1442                 FieldSpec spec(
1443                         narrow_to_wide(name.c_str()),
1444                         L"",
1445                         L"",
1446                         258+m_fields.size()
1447                 );
1448
1449                 spec.ftype = f_TabHeader;
1450
1451                 v2s32 pos(0,0);
1452                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1453                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
1454                 v2s32 geom;
1455                 geom.X = data->screensize.Y;
1456                 geom.Y = m_btn_height*2;
1457
1458                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
1459                                 pos.Y+geom.Y);
1460
1461                 gui::IGUITabControl *e = Environment->addTabControl(rect, this,
1462                                 show_background, show_border, spec.fid);
1463                 e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
1464                                 irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
1465                 e->setTabHeight(m_btn_height*2);
1466
1467                 if (spec.fname == data->focused_fieldname) {
1468                         Environment->setFocus(e);
1469                 }
1470
1471                 e->setNotClipped(true);
1472
1473                 for (unsigned int i=0; i< buttons.size(); i++) {
1474                         e->addTab(narrow_to_wide(buttons[i]).c_str(), -1);
1475                 }
1476
1477                 if ((tab_index >= 0) &&
1478                                 (buttons.size() < INT_MAX) &&
1479                                 (tab_index < (int) buttons.size()))
1480                         e->setActiveTab(tab_index);
1481
1482                 m_fields.push_back(spec);
1483                 return;
1484         }
1485         errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
1486                         << element << "'"  << std::endl;
1487 }
1488
1489 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
1490 {
1491
1492         if (m_gamedef == 0) {
1493                 errorstream <<
1494                                 "WARNING: invalid use of item_image_button with m_gamedef==0"
1495                                 << std::endl;
1496                 return;
1497         }
1498
1499         std::vector<std::string> parts = split(element,';');
1500
1501         if ((parts.size() == 5) ||
1502                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1503         {
1504                 std::vector<std::string> v_pos = split(parts[0],',');
1505                 std::vector<std::string> v_geom = split(parts[1],',');
1506                 std::string item_name = parts[2];
1507                 std::string name = parts[3];
1508                 std::string label = parts[4];
1509
1510                 MY_CHECKPOS("itemimagebutton",0);
1511                 MY_CHECKGEOM("itemimagebutton",1);
1512
1513                 v2s32 pos = padding;
1514                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1515                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1516                 v2s32 geom;
1517                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1518                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1519
1520                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1521
1522                 if(data->bp_set != 2)
1523                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1524
1525                 IItemDefManager *idef = m_gamedef->idef();
1526                 ItemStack item;
1527                 item.deSerialize(item_name, idef);
1528                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1529
1530                 m_tooltips[narrow_to_wide(name.c_str())] =
1531                         TooltipSpec (item.getDefinition(idef).description,
1532                                                 m_default_tooltip_bgcolor,
1533                                                 m_default_tooltip_color);
1534
1535                 label = unescape_string(label);
1536                 FieldSpec spec(
1537                         narrow_to_wide(name.c_str()),
1538                         narrow_to_wide(label.c_str()),
1539                         narrow_to_wide(item_name.c_str()),
1540                         258+m_fields.size()
1541                 );
1542
1543                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1544
1545                 if (spec.fname == data->focused_fieldname) {
1546                         Environment->setFocus(e);
1547                 }
1548
1549                 e->setUseAlphaChannel(true);
1550                 e->setImage(texture);
1551                 e->setPressedImage(texture);
1552                 e->setScaleImage(true);
1553                 spec.ftype = f_Button;
1554                 rect+=data->basepos-padding;
1555                 spec.rect=rect;
1556                 m_fields.push_back(spec);
1557                 return;
1558         }
1559         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1560 }
1561
1562 void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
1563 {
1564         std::vector<std::string> parts = split(element,';');
1565
1566         if ((parts.size() == 3) ||
1567                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
1568         {
1569                 std::vector<std::string> v_pos = split(parts[0],',');
1570                 std::vector<std::string> v_geom = split(parts[1],',');
1571
1572                 MY_CHECKPOS("box",0);
1573                 MY_CHECKGEOM("box",1);
1574
1575                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1576                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1577                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1578
1579                 v2s32 geom;
1580                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1581                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1582
1583                 video::SColor tmp_color;
1584
1585                 if (parseColorString(parts[2], tmp_color, false)) {
1586                         BoxDrawSpec spec(pos, geom, tmp_color);
1587
1588                         m_boxes.push_back(spec);
1589                 }
1590                 else {
1591                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1592                 }
1593                 return;
1594         }
1595         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1596 }
1597
1598 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
1599 {
1600         std::vector<std::string> parts = split(element,';');
1601
1602         if (((parts.size() == 1) || (parts.size() == 2)) ||
1603                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1604         {
1605                 parseColorString(parts[0],m_bgcolor,false);
1606
1607                 if (parts.size() == 2) {
1608                         std::string fullscreen = parts[1];
1609                         m_bgfullscreen = is_yes(fullscreen);
1610                 }
1611                 return;
1612         }
1613         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1614 }
1615
1616 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
1617 {
1618         std::vector<std::string> parts = split(element,';');
1619
1620         if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
1621                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1622         {
1623                 parseColorString(parts[0], m_slotbg_n, false);
1624                 parseColorString(parts[1], m_slotbg_h, false);
1625
1626                 if (parts.size() >= 3) {
1627                         if (parseColorString(parts[2], m_slotbordercolor, false)) {
1628                                 m_slotborder = true;
1629                         }
1630                 }
1631                 if (parts.size() == 5) {
1632                         video::SColor tmp_color;
1633
1634                         if (parseColorString(parts[3], tmp_color, false))
1635                                 m_default_tooltip_bgcolor = tmp_color;
1636                         if (parseColorString(parts[4], tmp_color, false))
1637                                 m_default_tooltip_color = tmp_color;
1638                 }
1639                 return;
1640         }
1641         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1642 }
1643
1644 void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
1645 {
1646         std::vector<std::string> parts = split(element,';');
1647         if (parts.size() == 2) {
1648                 std::string name = parts[0];
1649                 m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], m_default_tooltip_bgcolor, m_default_tooltip_color);
1650                 return;
1651         } else if (parts.size() == 4) {
1652                 std::string name = parts[0];
1653                 video::SColor tmp_color1, tmp_color2;
1654                 if ( parseColorString(parts[2], tmp_color1, false) && parseColorString(parts[3], tmp_color2, false) ) {
1655                         m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], tmp_color1, tmp_color2);
1656                         return;
1657                 }
1658         }
1659         errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
1660 }
1661
1662 bool GUIFormSpecMenu::parseVersionDirect(std::string data)
1663 {
1664         //some prechecks
1665         if (data == "")
1666                 return false;
1667
1668         std::vector<std::string> parts = split(data,'[');
1669
1670         if (parts.size() < 2) {
1671                 return false;
1672         }
1673
1674         if (parts[0] != "formspec_version") {
1675                 return false;
1676         }
1677
1678         if (is_number(parts[1])) {
1679                 m_formspec_version = mystoi(parts[1]);
1680                 return true;
1681         }
1682
1683         return false;
1684 }
1685
1686 void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
1687 {
1688         //some prechecks
1689         if (element == "")
1690                 return;
1691
1692         std::vector<std::string> parts = split(element,'[');
1693
1694         // ugly workaround to keep compatibility
1695         if (parts.size() > 2) {
1696                 if (trim(parts[0]) == "image") {
1697                         for (unsigned int i=2;i< parts.size(); i++) {
1698                                 parts[1] += "[" + parts[i];
1699                         }
1700                 }
1701                 else { return; }
1702         }
1703
1704         if (parts.size() < 2) {
1705                 return;
1706         }
1707
1708         std::string type = trim(parts[0]);
1709         std::string description = trim(parts[1]);
1710
1711         if (type == "size") {
1712                 parseSize(data,description);
1713                 return;
1714         }
1715
1716         if (type == "invsize") {
1717                 log_deprecated("Deprecated formspec element \"invsize\" is used");
1718                 parseSize(data,description);
1719                 return;
1720         }
1721
1722         if (type == "list") {
1723                 parseList(data,description);
1724                 return;
1725         }
1726
1727         if (type == "checkbox") {
1728                 parseCheckbox(data,description);
1729                 return;
1730         }
1731
1732         if (type == "image") {
1733                 parseImage(data,description);
1734                 return;
1735         }
1736
1737         if (type == "item_image") {
1738                 parseItemImage(data,description);
1739                 return;
1740         }
1741
1742         if ((type == "button") || (type == "button_exit")) {
1743                 parseButton(data,description,type);
1744                 return;
1745         }
1746
1747         if (type == "background") {
1748                 parseBackground(data,description);
1749                 return;
1750         }
1751
1752         if (type == "tableoptions"){
1753                 parseTableOptions(data,description);
1754                 return;
1755         }
1756
1757         if (type == "tablecolumns"){
1758                 parseTableColumns(data,description);
1759                 return;
1760         }
1761
1762         if (type == "table"){
1763                 parseTable(data,description);
1764                 return;
1765         }
1766
1767         if (type == "textlist"){
1768                 parseTextList(data,description);
1769                 return;
1770         }
1771
1772         if (type == "dropdown"){
1773                 parseDropDown(data,description);
1774                 return;
1775         }
1776
1777         if (type == "pwdfield") {
1778                 parsePwdField(data,description);
1779                 return;
1780         }
1781
1782         if ((type == "field") || (type == "textarea")){
1783                 parseField(data,description,type);
1784                 return;
1785         }
1786
1787         if (type == "label") {
1788                 parseLabel(data,description);
1789                 return;
1790         }
1791
1792         if (type == "vertlabel") {
1793                 parseVertLabel(data,description);
1794                 return;
1795         }
1796
1797         if (type == "item_image_button") {
1798                 parseItemImageButton(data,description);
1799                 return;
1800         }
1801
1802         if ((type == "image_button") || (type == "image_button_exit")) {
1803                 parseImageButton(data,description,type);
1804                 return;
1805         }
1806
1807         if (type == "tabheader") {
1808                 parseTabHeader(data,description);
1809                 return;
1810         }
1811
1812         if (type == "box") {
1813                 parseBox(data,description);
1814                 return;
1815         }
1816
1817         if (type == "bgcolor") {
1818                 parseBackgroundColor(data,description);
1819                 return;
1820         }
1821
1822         if (type == "listcolors") {
1823                 parseListColors(data,description);
1824                 return;
1825         }
1826
1827         if (type == "tooltip") {
1828                 parseTooltip(data,description);
1829                 return;
1830         }
1831
1832         if (type == "scrollbar") {
1833                 parseScrollBar(data, description);
1834                 return;
1835         }
1836
1837         // Ignore others
1838         infostream
1839                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1840                 <<std::endl;
1841 }
1842
1843
1844
1845 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1846 {
1847         /* useless to regenerate without a screensize */
1848         if ((screensize.X <= 0) || (screensize.Y <= 0)) {
1849                 return;
1850         }
1851
1852         gui::IGUIFont *font = NULL;
1853                         gui::IGUISkin* skin = Environment->getSkin();
1854                         if (skin)
1855                                 font = skin->getFont();
1856
1857         m_btn_height = font->getDimension(L"Some unimportant test String").Height;
1858         assert(m_btn_height > 0);
1859
1860         parserData mydata;
1861
1862         //preserve tables
1863         for (u32 i = 0; i < m_tables.size(); ++i) {
1864                 std::wstring tablename = m_tables[i].first.fname;
1865                 GUITable *table = m_tables[i].second;
1866                 mydata.table_dyndata[tablename] = table->getDynamicData();
1867         }
1868
1869         //preserve focus
1870         gui::IGUIElement *focused_element = Environment->getFocus();
1871         if (focused_element && focused_element->getParent() == this) {
1872                 s32 focused_id = focused_element->getID();
1873                 if (focused_id > 257) {
1874                         for (u32 i=0; i<m_fields.size(); i++) {
1875                                 if (m_fields[i].fid == focused_id) {
1876                                         mydata.focused_fieldname =
1877                                                 m_fields[i].fname;
1878                                         break;
1879                                 }
1880                         }
1881                 }
1882         }
1883
1884         // Remove children
1885         removeChildren();
1886
1887         for (u32 i = 0; i < m_tables.size(); ++i) {
1888                 GUITable *table = m_tables[i].second;
1889                 table->drop();
1890         }
1891
1892         mydata.size= v2s32(100,100);
1893         mydata.screensize = screensize;
1894
1895         // Base position of contents of form
1896         mydata.basepos = getBasePos();
1897
1898         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
1899         // Used to adjust form size automatically if needed
1900         // A proceed button is added if there is no size[] element
1901         mydata.bp_set = 0;
1902
1903
1904         /* Convert m_init_draw_spec to m_inventorylists */
1905
1906         m_inventorylists.clear();
1907         m_images.clear();
1908         m_backgrounds.clear();
1909         m_itemimages.clear();
1910         m_tables.clear();
1911         m_checkboxes.clear();
1912         m_scrollbars.clear();
1913         m_fields.clear();
1914         m_boxes.clear();
1915         m_tooltips.clear();
1916
1917         // Set default values (fits old formspec values)
1918         m_bgcolor = video::SColor(140,0,0,0);
1919         m_bgfullscreen = false;
1920
1921         m_slotbg_n = video::SColor(255,128,128,128);
1922         m_slotbg_h = video::SColor(255,192,192,192);
1923
1924         m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
1925         m_default_tooltip_color = video::SColor(255,255,255,255);
1926
1927         m_slotbordercolor = video::SColor(200,0,0,0);
1928         m_slotborder = false;
1929
1930         m_clipbackground = false;
1931         // Add tooltip
1932         {
1933                 assert(m_tooltip_element == NULL);
1934                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1935                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1936                 m_tooltip_element->enableOverrideColor(true);
1937                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
1938                 m_tooltip_element->setDrawBackground(true);
1939                 m_tooltip_element->setDrawBorder(true);
1940                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
1941                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1942                 m_tooltip_element->setWordWrap(false);
1943                 //we're not parent so no autograb for this one!
1944                 m_tooltip_element->grab();
1945         }
1946
1947         std::vector<std::string> elements = split(m_formspec_string,']');
1948         unsigned int i = 0;
1949
1950         /* try to read version from first element only */
1951         if (elements.size() >= 1) {
1952                 if ( parseVersionDirect(elements[0]) ) {
1953                         i++;
1954                 }
1955         }
1956
1957         for (; i< elements.size(); i++) {
1958                 parseElement(&mydata, elements[i]);
1959         }
1960
1961         // If there's fields, add a Proceed button
1962         if (m_fields.size() && mydata.bp_set != 2) {
1963                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
1964                 mydata.rect = core::rect<s32>(
1965                                 mydata.screensize.X/2 - 580/2,
1966                                 mydata.screensize.Y/2 - 300/2,
1967                                 mydata.screensize.X/2 + 580/2,
1968                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
1969                 );
1970                 DesiredRect = mydata.rect;
1971                 recalculateAbsolutePosition(false);
1972                 mydata.basepos = getBasePos();
1973
1974                 {
1975                         v2s32 pos = mydata.basepos;
1976                         pos.Y = ((m_fields.size()+2)*60);
1977
1978                         v2s32 size = DesiredRect.getSize();
1979                         mydata.rect =
1980                                         core::rect<s32>(size.X/2-70, pos.Y,
1981                                                         (size.X/2-70)+140, pos.Y + (m_btn_height*2));
1982                         wchar_t* text = wgettext("Proceed");
1983                         Environment->addButton(mydata.rect, this, 257, text);
1984                         delete[] text;
1985                 }
1986
1987         }
1988
1989         //set initial focus if parser didn't set it
1990         focused_element = Environment->getFocus();
1991         if (!focused_element
1992                         || !isMyChild(focused_element)
1993                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
1994                 setInitialFocus();
1995 }
1996
1997 #ifdef __ANDROID__
1998 bool GUIFormSpecMenu::getAndroidUIInput()
1999 {
2000         /* no dialog shown */
2001         if (m_JavaDialogFieldName == L"") {
2002                 return false;
2003         }
2004
2005         /* still waiting */
2006         if (porting::getInputDialogState() == -1) {
2007                 return true;
2008         }
2009
2010         std::wstring fieldname = m_JavaDialogFieldName;
2011         m_JavaDialogFieldName = L"";
2012
2013         /* no value abort dialog processing */
2014         if (porting::getInputDialogState() != 0) {
2015                 return false;
2016         }
2017
2018         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2019                         iter != m_fields.end(); iter++) {
2020
2021                 if (iter->fname != fieldname) {
2022                         continue;
2023                 }
2024                 IGUIElement* tochange = getElementFromId(iter->fid);
2025
2026                 if (tochange == 0) {
2027                         return false;
2028                 }
2029
2030                 if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
2031                         return false;
2032                 }
2033
2034                 std::string text = porting::getInputDialogValue();
2035
2036                 ((gui::IGUIEditBox*) tochange)->
2037                         setText(narrow_to_wide(text).c_str());
2038         }
2039         return false;
2040 }
2041 #endif
2042
2043 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
2044 {
2045         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2046
2047         for(u32 i=0; i<m_inventorylists.size(); i++)
2048         {
2049                 const ListDrawSpec &s = m_inventorylists[i];
2050
2051                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
2052                         s32 item_i = i + s.start_item_i;
2053                         s32 x = (i%s.geom.X) * spacing.X;
2054                         s32 y = (i/s.geom.X) * spacing.Y;
2055                         v2s32 p0(x,y);
2056                         core::rect<s32> rect = imgrect + s.pos + p0;
2057                         if(rect.isPointInside(p))
2058                         {
2059                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
2060                         }
2061                 }
2062         }
2063
2064         return ItemSpec(InventoryLocation(), "", -1);
2065 }
2066
2067 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
2068 {
2069         video::IVideoDriver* driver = Environment->getVideoDriver();
2070
2071         gui::IGUIFont *font = NULL;
2072         gui::IGUISkin* skin = Environment->getSkin();
2073         if (skin)
2074                 font = skin->getFont();
2075
2076         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2077         if(!inv){
2078                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2079                                 <<"The inventory location "
2080                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2081                                 <<std::endl;
2082                 return;
2083         }
2084         InventoryList *ilist = inv->getList(s.listname);
2085         if(!ilist){
2086                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2087                                 <<"The inventory list \""<<s.listname<<"\" @ \""
2088                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
2089                                 <<std::endl;
2090                 return;
2091         }
2092
2093         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2094
2095         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
2096         {
2097                 s32 item_i = i + s.start_item_i;
2098                 if(item_i >= (s32) ilist->getSize())
2099                         break;
2100                 s32 x = (i%s.geom.X) * spacing.X;
2101                 s32 y = (i/s.geom.X) * spacing.Y;
2102                 v2s32 p(x,y);
2103                 core::rect<s32> rect = imgrect + s.pos + p;
2104                 ItemStack item;
2105                 if(ilist)
2106                         item = ilist->getItem(item_i);
2107
2108                 bool selected = m_selected_item
2109                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
2110                         && m_selected_item->listname == s.listname
2111                         && m_selected_item->i == item_i;
2112                 bool hovering = rect.isPointInside(m_pointer);
2113
2114                 if(phase == 0)
2115                 {
2116                         if(hovering)
2117                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
2118                         else
2119                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
2120                 }
2121
2122                 //Draw inv slot borders
2123                 if (m_slotborder) {
2124                         s32 x1 = rect.UpperLeftCorner.X;
2125                         s32 y1 = rect.UpperLeftCorner.Y;
2126                         s32 x2 = rect.LowerRightCorner.X;
2127                         s32 y2 = rect.LowerRightCorner.Y;
2128                         s32 border = 1;
2129                         driver->draw2DRectangle(m_slotbordercolor,
2130                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
2131                                                                 v2s32(x2 + border, y1)), NULL);
2132                         driver->draw2DRectangle(m_slotbordercolor,
2133                                 core::rect<s32>(v2s32(x1 - border, y2),
2134                                                                 v2s32(x2 + border, y2 + border)), NULL);
2135                         driver->draw2DRectangle(m_slotbordercolor,
2136                                 core::rect<s32>(v2s32(x1 - border, y1),
2137                                                                 v2s32(x1, y2)), NULL);
2138                         driver->draw2DRectangle(m_slotbordercolor,
2139                                 core::rect<s32>(v2s32(x2, y1),
2140                                                                 v2s32(x2 + border, y2)), NULL);
2141                 }
2142
2143                 if(phase == 1)
2144                 {
2145                         // Draw item stack
2146                         if(selected)
2147                         {
2148                                 item.takeItem(m_selected_amount);
2149                         }
2150                         if(!item.empty())
2151                         {
2152                                 drawItemStack(driver, font, item,
2153                                                 rect, &AbsoluteClippingRect, m_gamedef);
2154                         }
2155
2156                         // Draw tooltip
2157                         std::string tooltip_text = "";
2158                         if (hovering && !m_selected_item)
2159                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
2160                         if (tooltip_text != "") {
2161                                 std::vector<std::string> tt_rows = str_split(tooltip_text, '\n');
2162                                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
2163                                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
2164                                 m_tooltip_element->setVisible(true);
2165                                 this->bringToFront(m_tooltip_element);
2166                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
2167                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2168                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2169                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2170                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2171                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2172                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2173                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2174                         }
2175                 }
2176         }
2177 }
2178
2179 void GUIFormSpecMenu::drawSelectedItem()
2180 {
2181         if(!m_selected_item)
2182                 return;
2183
2184         video::IVideoDriver* driver = Environment->getVideoDriver();
2185
2186         // Get font
2187         gui::IGUIFont *font = NULL;
2188         gui::IGUISkin* skin = Environment->getSkin();
2189         if (skin)
2190                 font = skin->getFont();
2191
2192         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2193         assert(inv);
2194         InventoryList *list = inv->getList(m_selected_item->listname);
2195         assert(list);
2196         ItemStack stack = list->getItem(m_selected_item->i);
2197         stack.count = m_selected_amount;
2198
2199         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2200         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
2201         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
2202 }
2203
2204 void GUIFormSpecMenu::drawMenu()
2205 {
2206         if(m_form_src){
2207                 std::string newform = m_form_src->getForm();
2208                 if(newform != m_formspec_string){
2209                         m_formspec_string = newform;
2210                         regenerateGui(m_screensize_old);
2211                 }
2212         }
2213
2214         updateSelectedItem();
2215
2216         video::IVideoDriver* driver = Environment->getVideoDriver();
2217
2218         v2u32 screenSize = driver->getScreenSize();
2219         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
2220         if (m_bgfullscreen)
2221                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
2222         else
2223                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
2224
2225         m_tooltip_element->setVisible(false);
2226
2227         /*
2228                 Draw backgrounds
2229         */
2230         for(u32 i=0; i<m_backgrounds.size(); i++)
2231         {
2232                 const ImageDrawSpec &spec = m_backgrounds[i];
2233                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2234
2235                 if (texture != 0) {
2236                         // Image size on screen
2237                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2238                         // Image rectangle on screen
2239                         core::rect<s32> rect = imgrect + spec.pos;
2240
2241                         if (m_clipbackground) {
2242                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
2243                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
2244                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
2245                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X,
2246                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y);
2247                         }
2248
2249                         const video::SColor color(255,255,255,255);
2250                         const video::SColor colors[] = {color,color,color,color};
2251                         driver->draw2DImage(texture, rect,
2252                                 core::rect<s32>(core::position2d<s32>(0,0),
2253                                                 core::dimension2di(texture->getOriginalSize())),
2254                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2255                 }
2256                 else {
2257                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
2258                         errorstream << "\t" << spec.name << std::endl;
2259                 }
2260         }
2261
2262         /*
2263                 Draw Boxes
2264         */
2265         for(u32 i=0; i<m_boxes.size(); i++)
2266         {
2267                 const BoxDrawSpec &spec = m_boxes[i];
2268
2269                 irr::video::SColor todraw = spec.color;
2270
2271                 todraw.setAlpha(140);
2272
2273                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
2274                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
2275
2276                 driver->draw2DRectangle(todraw, rect, 0);
2277         }
2278         /*
2279                 Draw images
2280         */
2281         for(u32 i=0; i<m_images.size(); i++)
2282         {
2283                 const ImageDrawSpec &spec = m_images[i];
2284                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2285
2286                 if (texture != 0) {
2287                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
2288                         // Image size on screen
2289                         core::rect<s32> imgrect;
2290
2291                         if (spec.scale)
2292                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
2293                         else {
2294
2295                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
2296                         }
2297                         // Image rectangle on screen
2298                         core::rect<s32> rect = imgrect + spec.pos;
2299                         const video::SColor color(255,255,255,255);
2300                         const video::SColor colors[] = {color,color,color,color};
2301                         driver->draw2DImage(texture, rect,
2302                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
2303                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2304                 }
2305                 else {
2306                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
2307                         errorstream << "\t" << spec.name << std::endl;
2308                 }
2309         }
2310
2311         /*
2312                 Draw item images
2313         */
2314         for(u32 i=0; i<m_itemimages.size(); i++)
2315         {
2316                 if (m_gamedef == 0)
2317                         break;
2318
2319                 const ImageDrawSpec &spec = m_itemimages[i];
2320                 IItemDefManager *idef = m_gamedef->idef();
2321                 ItemStack item;
2322                 item.deSerialize(spec.name, idef);
2323                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
2324                 // Image size on screen
2325                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2326                 // Image rectangle on screen
2327                 core::rect<s32> rect = imgrect + spec.pos;
2328                 const video::SColor color(255,255,255,255);
2329                 const video::SColor colors[] = {color,color,color,color};
2330                 driver->draw2DImage(texture, rect,
2331                         core::rect<s32>(core::position2d<s32>(0,0),
2332                                         core::dimension2di(texture->getOriginalSize())),
2333                         NULL/*&AbsoluteClippingRect*/, colors, true);
2334         }
2335
2336         /*
2337                 Draw items
2338                 Phase 0: Item slot rectangles
2339                 Phase 1: Item images; prepare tooltip
2340         */
2341         int start_phase=0;
2342         for(int phase=start_phase; phase<=1; phase++)
2343         for(u32 i=0; i<m_inventorylists.size(); i++)
2344         {
2345                 drawList(m_inventorylists[i], phase);
2346         }
2347
2348         /*
2349                 Call base class
2350         */
2351         gui::IGUIElement::draw();
2352
2353 /* TODO find way to show tooltips on touchscreen */
2354 #ifndef HAVE_TOUCHSCREENGUI
2355         m_pointer = m_device->getCursorControl()->getPosition();
2356 #endif
2357
2358         /*
2359                 Draw fields/buttons tooltips
2360         */
2361         gui::IGUIElement *hovered =
2362                         Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
2363
2364         if (hovered != NULL) {
2365                 s32 id = hovered->getID();
2366
2367                 u32 delta = 0;
2368                 if (id == -1) {
2369                         m_old_tooltip_id = id;
2370                         m_old_tooltip = "";
2371                 } else {
2372                         if (id == m_old_tooltip_id) {
2373                                 delta = porting::getDeltaMs(m_hovered_time, getTimeMs());
2374                         } else {
2375                                 m_hovered_time = getTimeMs();
2376                                 m_old_tooltip_id = id;
2377                         }
2378                 }
2379
2380                 if (id != -1 && delta >= m_tooltip_show_delay) {
2381                         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2382                                         iter != m_fields.end(); iter++) {
2383                                 if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
2384                                         if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
2385                                                 m_old_tooltip = m_tooltips[iter->fname].tooltip;
2386                                                 m_tooltip_element->setText(narrow_to_wide(m_tooltips[iter->fname].tooltip).c_str());
2387                                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2388                                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2389                                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2390                                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2391                                                         tooltip_x = (s32)screenSize.X - tooltip_width - m_btn_height;
2392                                                 std::vector<std::string> tt_rows = str_split(m_tooltips[iter->fname].tooltip, '\n');
2393                                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2394                                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2395                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2396                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2397                                         }
2398                                         m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
2399                                         m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
2400                                         m_tooltip_element->setVisible(true);
2401                                         this->bringToFront(m_tooltip_element);
2402                                         break;
2403                                 }
2404                         }
2405                 }
2406         }
2407
2408         /*
2409                 Draw dragged item stack
2410         */
2411         drawSelectedItem();
2412 }
2413
2414 void GUIFormSpecMenu::updateSelectedItem()
2415 {
2416         // If the selected stack has become empty for some reason, deselect it.
2417         // If the selected stack has become inaccessible, deselect it.
2418         // If the selected stack has become smaller, adjust m_selected_amount.
2419         ItemStack selected = verifySelectedItem();
2420
2421         // WARNING: BLACK MAGIC
2422         // See if there is a stack suited for our current guess.
2423         // If such stack does not exist, clear the guess.
2424         if(m_selected_content_guess.name != "" &&
2425                         selected.name == m_selected_content_guess.name &&
2426                         selected.count == m_selected_content_guess.count){
2427                 // Selected item fits the guess. Skip the black magic.
2428         }
2429         else if(m_selected_content_guess.name != ""){
2430                 bool found = false;
2431                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2432                         const ListDrawSpec &s = m_inventorylists[i];
2433                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2434                         if(!inv)
2435                                 continue;
2436                         InventoryList *list = inv->getList(s.listname);
2437                         if(!list)
2438                                 continue;
2439                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2440                                 u32 item_i = i + s.start_item_i;
2441                                 if(item_i >= list->getSize())
2442                                         continue;
2443                                 ItemStack stack = list->getItem(item_i);
2444                                 if(stack.name == m_selected_content_guess.name &&
2445                                                 stack.count == m_selected_content_guess.count){
2446                                         found = true;
2447                                         infostream<<"Client: Changing selected content guess to "
2448                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2449                                                         <<" "<<item_i<<std::endl;
2450                                         delete m_selected_item;
2451                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2452                                         m_selected_amount = stack.count;
2453                                 }
2454                         }
2455                 }
2456                 if(!found){
2457                         infostream<<"Client: Discarding selected content guess: "
2458                                         <<m_selected_content_guess.getItemString()<<std::endl;
2459                         m_selected_content_guess.name = "";
2460                 }
2461         }
2462
2463         // If craftresult is nonempty and nothing else is selected, select it now.
2464         if(!m_selected_item)
2465         {
2466                 for(u32 i=0; i<m_inventorylists.size(); i++)
2467                 {
2468                         const ListDrawSpec &s = m_inventorylists[i];
2469                         if(s.listname == "craftpreview")
2470                         {
2471                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2472                                 InventoryList *list = inv->getList("craftresult");
2473                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2474                                 {
2475                                         m_selected_item = new ItemSpec;
2476                                         m_selected_item->inventoryloc = s.inventoryloc;
2477                                         m_selected_item->listname = "craftresult";
2478                                         m_selected_item->i = 0;
2479                                         m_selected_amount = 0;
2480                                         m_selected_dragging = false;
2481                                         break;
2482                                 }
2483                         }
2484                 }
2485         }
2486
2487         // If craftresult is selected, keep the whole stack selected
2488         if(m_selected_item && m_selected_item->listname == "craftresult")
2489         {
2490                 m_selected_amount = verifySelectedItem().count;
2491         }
2492 }
2493
2494 ItemStack GUIFormSpecMenu::verifySelectedItem()
2495 {
2496         // If the selected stack has become empty for some reason, deselect it.
2497         // If the selected stack has become inaccessible, deselect it.
2498         // If the selected stack has become smaller, adjust m_selected_amount.
2499         // Return the selected stack.
2500
2501         if(m_selected_item)
2502         {
2503                 if(m_selected_item->isValid())
2504                 {
2505                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2506                         if(inv)
2507                         {
2508                                 InventoryList *list = inv->getList(m_selected_item->listname);
2509                                 if(list && (u32) m_selected_item->i < list->getSize())
2510                                 {
2511                                         ItemStack stack = list->getItem(m_selected_item->i);
2512                                         if(m_selected_amount > stack.count)
2513                                                 m_selected_amount = stack.count;
2514                                         if(!stack.empty())
2515                                                 return stack;
2516                                 }
2517                         }
2518                 }
2519
2520                 // selection was not valid
2521                 delete m_selected_item;
2522                 m_selected_item = NULL;
2523                 m_selected_amount = 0;
2524                 m_selected_dragging = false;
2525         }
2526         return ItemStack();
2527 }
2528
2529 void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
2530 {
2531         if(m_text_dst)
2532         {
2533                 std::map<std::string, std::string> fields;
2534
2535                 if (quitmode == quit_mode_accept) {
2536                         fields["quit"] = "true";
2537                 }
2538
2539                 if (quitmode == quit_mode_cancel) {
2540                         fields["quit"] = "true";
2541                         m_text_dst->gotText(fields);
2542                         return;
2543                 }
2544
2545                 if (current_keys_pending.key_down) {
2546                         fields["key_down"] = "true";
2547                         current_keys_pending.key_down = false;
2548                 }
2549
2550                 if (current_keys_pending.key_up) {
2551                         fields["key_up"] = "true";
2552                         current_keys_pending.key_up = false;
2553                 }
2554
2555                 if (current_keys_pending.key_enter) {
2556                         fields["key_enter"] = "true";
2557                         current_keys_pending.key_enter = false;
2558                 }
2559
2560                 if (current_keys_pending.key_escape) {
2561                         fields["key_escape"] = "true";
2562                         current_keys_pending.key_escape = false;
2563                 }
2564
2565                 for(unsigned int i=0; i<m_fields.size(); i++) {
2566                         const FieldSpec &s = m_fields[i];
2567                         if(s.send) {
2568                                 std::string name  = wide_to_narrow(s.fname);
2569                                 if(s.ftype == f_Button) {
2570                                         fields[name] = wide_to_narrow(s.flabel);
2571                                 }
2572                                 else if(s.ftype == f_Table) {
2573                                         GUITable *table = getTable(s.fname);
2574                                         if (table) {
2575                                                 fields[name] = table->checkEvent();
2576                                         }
2577                                 }
2578                                 else if(s.ftype == f_DropDown) {
2579                                         // no dynamic cast possible due to some distributions shipped
2580                                         // without rtti support in irrlicht
2581                                         IGUIElement * element = getElementFromId(s.fid);
2582                                         gui::IGUIComboBox *e = NULL;
2583                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2584                                                 e = static_cast<gui::IGUIComboBox*>(element);
2585                                         }
2586                                         s32 selected = e->getSelected();
2587                                         if (selected >= 0) {
2588                                                 fields[name] =
2589                                                         wide_to_narrow(e->getItem(selected));
2590                                         }
2591                                 }
2592                                 else if (s.ftype == f_TabHeader) {
2593                                         // no dynamic cast possible due to some distributions shipped
2594                                         // without rtti support in irrlicht
2595                                         IGUIElement * element = getElementFromId(s.fid);
2596                                         gui::IGUITabControl *e = NULL;
2597                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2598                                                 e = static_cast<gui::IGUITabControl*>(element);
2599                                         }
2600
2601                                         if (e != 0) {
2602                                                 std::stringstream ss;
2603                                                 ss << (e->getActiveTab() +1);
2604                                                 fields[name] = ss.str();
2605                                         }
2606                                 }
2607                                 else if (s.ftype == f_CheckBox) {
2608                                         // no dynamic cast possible due to some distributions shipped
2609                                         // without rtti support in irrlicht
2610                                         IGUIElement * element = getElementFromId(s.fid);
2611                                         gui::IGUICheckBox *e = NULL;
2612                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2613                                                 e = static_cast<gui::IGUICheckBox*>(element);
2614                                         }
2615
2616                                         if (e != 0) {
2617                                                 if (e->isChecked())
2618                                                         fields[name] = "true";
2619                                                 else
2620                                                         fields[name] = "false";
2621                                         }
2622                                 }
2623                                 else if (s.ftype == f_ScrollBar) {
2624                                         // no dynamic cast possible due to some distributions shipped
2625                                         // without rtti support in irrlicht
2626                                         IGUIElement * element = getElementFromId(s.fid);
2627                                         gui::IGUIScrollBar *e = NULL;
2628                                         if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
2629                                                 e = static_cast<gui::IGUIScrollBar*>(element);
2630                                         }
2631
2632                                         if (e != 0) {
2633                                                 std::stringstream os;
2634                                                 os << e->getPos();
2635                                                 if (s.fdefault == L"Changed")
2636                                                         fields[name] = "CHG:" + os.str();
2637                                                 else
2638                                                         fields[name] = "VAL:" + os.str();
2639                                         }
2640                                 }
2641                                 else
2642                                 {
2643                                         IGUIElement* e = getElementFromId(s.fid);
2644                                         if(e != NULL) {
2645                                                 fields[name] = wide_to_narrow(e->getText());
2646                                         }
2647                                 }
2648                         }
2649                 }
2650
2651                 m_text_dst->gotText(fields);
2652         }
2653 }
2654
2655 static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
2656 {
2657         while(tocheck != NULL) {
2658                 if (tocheck == parent) {
2659                         return true;
2660                 }
2661                 tocheck = tocheck->getParent();
2662         }
2663         return false;
2664 }
2665
2666 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2667 {
2668         // Fix Esc/Return key being eaten by checkboxen and tables
2669         if(event.EventType==EET_KEY_INPUT_EVENT) {
2670                 KeyPress kp(event.KeyInput);
2671                 if (kp == EscapeKey || kp == CancelKey
2672                                 || kp == getKeySetting("keymap_inventory")
2673                                 || event.KeyInput.Key==KEY_RETURN) {
2674                         gui::IGUIElement *focused = Environment->getFocus();
2675                         if (focused && isMyChild(focused) &&
2676                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2677                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2678                                 OnEvent(event);
2679                                 return true;
2680                         }
2681                 }
2682         }
2683         // Mouse wheel events: send to hovered element instead of focused
2684         if(event.EventType==EET_MOUSE_INPUT_EVENT
2685                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
2686                 s32 x = event.MouseInput.X;
2687                 s32 y = event.MouseInput.Y;
2688                 gui::IGUIElement *hovered =
2689                         Environment->getRootGUIElement()->getElementFromPoint(
2690                                 core::position2d<s32>(x, y));
2691                 if (hovered && isMyChild(hovered)) {
2692                         hovered->OnEvent(event);
2693                         return true;
2694                 }
2695         }
2696
2697         if (event.EventType == EET_MOUSE_INPUT_EVENT) {
2698                 s32 x = event.MouseInput.X;
2699                 s32 y = event.MouseInput.Y;
2700                 gui::IGUIElement *hovered =
2701                         Environment->getRootGUIElement()->getElementFromPoint(
2702                                 core::position2d<s32>(x, y));
2703                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2704                         m_old_tooltip_id = -1;
2705                         m_old_tooltip = "";
2706                 }
2707                 if (!isChild(hovered,this)) {
2708                         if (DoubleClickDetection(event)) {
2709                                 return true;
2710                         }
2711                 }
2712         }
2713
2714         #ifdef __ANDROID__
2715         // display software keyboard when clicking edit boxes
2716         if (event.EventType == EET_MOUSE_INPUT_EVENT
2717                         && event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2718                 gui::IGUIElement *hovered =
2719                         Environment->getRootGUIElement()->getElementFromPoint(
2720                                 core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
2721                 if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
2722                         bool retval = hovered->OnEvent(event);
2723                         if (retval) {
2724                                 Environment->setFocus(hovered);
2725                         }
2726                         m_JavaDialogFieldName = getNameByID(hovered->getID());
2727                         std::string message   = gettext("Enter ");
2728                         std::string label     = wide_to_narrow(getLabelByID(hovered->getID()));
2729                         if (label == "") {
2730                                 label = "text";
2731                         }
2732                         message += gettext(label) + ":";
2733
2734                         /* single line text input */
2735                         int type = 2;
2736
2737                         /* multi line text input */
2738                         if (((gui::IGUIEditBox*) hovered)->isMultiLineEnabled()) {
2739                                 type = 1;
2740                         }
2741
2742                         /* passwords are always single line */
2743                         if (((gui::IGUIEditBox*) hovered)->isPasswordBox()) {
2744                                 type = 3;
2745                         }
2746
2747                         porting::showInputDialog(gettext("ok"), "",
2748                                         wide_to_narrow(((gui::IGUIEditBox*) hovered)->getText()),
2749                                         type);
2750                         return retval;
2751                 }
2752         }
2753
2754         if (event.EventType == EET_TOUCH_INPUT_EVENT)
2755         {
2756                 SEvent translated;
2757                 memset(&translated, 0, sizeof(SEvent));
2758                 translated.EventType   = EET_MOUSE_INPUT_EVENT;
2759                 gui::IGUIElement* root = Environment->getRootGUIElement();
2760
2761                 if (!root) {
2762                         errorstream
2763                         << "GUIFormSpecMenu::preprocessEvent unable to get root element"
2764                         << std::endl;
2765                         return false;
2766                 }
2767                 gui::IGUIElement* hovered = root->getElementFromPoint(
2768                         core::position2d<s32>(
2769                                         event.TouchInput.X,
2770                                         event.TouchInput.Y));
2771
2772                 translated.MouseInput.X = event.TouchInput.X;
2773                 translated.MouseInput.Y = event.TouchInput.Y;
2774                 translated.MouseInput.Control = false;
2775
2776                 bool dont_send_event = false;
2777
2778                 if (event.TouchInput.touchedCount == 1) {
2779                         switch (event.TouchInput.Event) {
2780                                 case ETIE_PRESSED_DOWN:
2781                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2782                                         translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
2783                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2784                                         m_down_pos = m_pointer;
2785                                         break;
2786                                 case ETIE_MOVED:
2787                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2788                                         translated.MouseInput.Event = EMIE_MOUSE_MOVED;
2789                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2790                                         break;
2791                                 case ETIE_LEFT_UP:
2792                                         translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
2793                                         translated.MouseInput.ButtonStates = 0;
2794                                         hovered = root->getElementFromPoint(m_down_pos);
2795                                         /* we don't have a valid pointer element use last
2796                                          * known pointer pos */
2797                                         translated.MouseInput.X = m_pointer.X;
2798                                         translated.MouseInput.Y = m_pointer.Y;
2799
2800                                         /* reset down pos */
2801                                         m_down_pos = v2s32(0,0);
2802                                         break;
2803                                 default:
2804                                         dont_send_event = true;
2805                                         //this is not supposed to happen
2806                                         errorstream
2807                                         << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
2808                                         << event.TouchInput.Event << std::endl;
2809                         }
2810                 } else if ( (event.TouchInput.touchedCount == 2) &&
2811                                 (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
2812                         hovered = root->getElementFromPoint(m_down_pos);
2813
2814                         translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
2815                         translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
2816                         translated.MouseInput.X = m_pointer.X;
2817                         translated.MouseInput.Y = m_pointer.Y;
2818
2819                         if (hovered) {
2820                                 hovered->OnEvent(translated);
2821                         }
2822
2823                         translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
2824                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2825
2826
2827                         if (hovered) {
2828                                 hovered->OnEvent(translated);
2829                         }
2830                         dont_send_event = true;
2831                 }
2832                 /* ignore unhandled 2 touch events ... accidental moving for example */
2833                 else if (event.TouchInput.touchedCount == 2) {
2834                         dont_send_event = true;
2835                 }
2836                 else if (event.TouchInput.touchedCount > 2) {
2837                         errorstream
2838                         << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
2839                         << event.TouchInput.touchedCount << " ignoring them" << std::endl;
2840                 }
2841
2842                 if (dont_send_event) {
2843                         return true;
2844                 }
2845
2846                 /* check if translated event needs to be preprocessed again */
2847                 if (preprocessEvent(translated)) {
2848                         return true;
2849                 }
2850                 if (hovered) {
2851                         grab();
2852                         bool retval = hovered->OnEvent(translated);
2853
2854                         if (event.TouchInput.Event == ETIE_LEFT_UP) {
2855                                 /* reset pointer */
2856                                 m_pointer = v2s32(0,0);
2857                         }
2858                         drop();
2859                         return retval;
2860                 }
2861         }
2862         #endif
2863
2864         return false;
2865 }
2866
2867 /******************************************************************************/
2868 bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
2869 {
2870         if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2871                 m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
2872                 m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
2873
2874                 m_doubleclickdetect[1].pos  = m_pointer;
2875                 m_doubleclickdetect[1].time = getTimeMs();
2876         }
2877         else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
2878                 u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
2879                 if (delta > 400) {
2880                         return false;
2881                 }
2882
2883                 double squaredistance =
2884                                 m_doubleclickdetect[0].pos
2885                                 .getDistanceFromSQ(m_doubleclickdetect[1].pos);
2886
2887                 if (squaredistance > (30*30)) {
2888                         return false;
2889                 }
2890
2891                 SEvent* translated = new SEvent();
2892                 assert(translated != 0);
2893                 //translate doubleclick to escape
2894                 memset(translated, 0, sizeof(SEvent));
2895                 translated->EventType = irr::EET_KEY_INPUT_EVENT;
2896                 translated->KeyInput.Key         = KEY_ESCAPE;
2897                 translated->KeyInput.Control     = false;
2898                 translated->KeyInput.Shift       = false;
2899                 translated->KeyInput.PressedDown = true;
2900                 translated->KeyInput.Char        = 0;
2901                 OnEvent(*translated);
2902
2903                 // no need to send the key up event as we're already deleted
2904                 // and no one else did notice this event
2905                 delete translated;
2906                 return true;
2907         }
2908         return false;
2909 }
2910
2911 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
2912 {
2913         if(event.EventType==EET_KEY_INPUT_EVENT) {
2914                 KeyPress kp(event.KeyInput);
2915                 if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
2916                         (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
2917                         if (m_allowclose) {
2918                                 doPause = false;
2919                                 acceptInput(quit_mode_cancel);
2920                                 quitMenu();
2921                         } else {
2922                                 m_text_dst->gotText(narrow_to_wide("MenuQuit"));
2923                         }
2924                         return true;
2925                 } else if (m_client != NULL && event.KeyInput.PressedDown &&
2926                         (kp == getKeySetting("keymap_screenshot"))) {
2927                                 m_client->makeScreenshot(m_device);
2928                 }
2929                 if (event.KeyInput.PressedDown &&
2930                         (event.KeyInput.Key==KEY_RETURN ||
2931                          event.KeyInput.Key==KEY_UP ||
2932                          event.KeyInput.Key==KEY_DOWN)
2933                         ) {
2934                         switch (event.KeyInput.Key) {
2935                                 case KEY_RETURN:
2936                                         current_keys_pending.key_enter = true;
2937                                         break;
2938                                 case KEY_UP:
2939                                         current_keys_pending.key_up = true;
2940                                         break;
2941                                 case KEY_DOWN:
2942                                         current_keys_pending.key_down = true;
2943                                         break;
2944                                 break;
2945                                 default:
2946                                         //can't happen at all!
2947                                         assert("reached a source line that can't ever been reached" == 0);
2948                                         break;
2949                         }
2950                         if (current_keys_pending.key_enter && m_allowclose) {
2951                                 acceptInput(quit_mode_accept);
2952                                 quitMenu();
2953                         } else {
2954                                 acceptInput();
2955                         }
2956                         return true;
2957                 }
2958
2959         }
2960
2961         /* Mouse event other than movement, or crossing the border of inventory
2962           field while holding right mouse button
2963          */
2964         if (event.EventType == EET_MOUSE_INPUT_EVENT &&
2965                         (event.MouseInput.Event != EMIE_MOUSE_MOVED ||
2966                          (event.MouseInput.Event == EMIE_MOUSE_MOVED &&
2967                           event.MouseInput.isRightPressed() &&
2968                           getItemAtPos(m_pointer).i != getItemAtPos(m_old_pointer).i))) {
2969
2970                 // Get selected item and hovered/clicked item (s)
2971
2972                 m_old_tooltip_id = -1;
2973                 updateSelectedItem();
2974                 ItemSpec s = getItemAtPos(m_pointer);
2975
2976                 Inventory *inv_selected = NULL;
2977                 Inventory *inv_s = NULL;
2978
2979                 if(m_selected_item) {
2980                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
2981                         assert(inv_selected);
2982                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
2983                 }
2984
2985                 u32 s_count = 0;
2986
2987                 if(s.isValid())
2988                 do { // breakable
2989                         inv_s = m_invmgr->getInventory(s.inventoryloc);
2990
2991                         if(!inv_s) {
2992                                 errorstream<<"InventoryMenu: The selected inventory location "
2993                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2994                                                 <<std::endl;
2995                                 s.i = -1;  // make it invalid again
2996                                 break;
2997                         }
2998
2999                         InventoryList *list = inv_s->getList(s.listname);
3000                         if(list == NULL) {
3001                                 verbosestream<<"InventoryMenu: The selected inventory list \""
3002                                                 <<s.listname<<"\" does not exist"<<std::endl;
3003                                 s.i = -1;  // make it invalid again
3004                                 break;
3005                         }
3006
3007                         if((u32)s.i >= list->getSize()) {
3008                                 infostream<<"InventoryMenu: The selected inventory list \""
3009                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
3010                                                 <<list->getSize()<<")"<<std::endl;
3011                                 s.i = -1;  // make it invalid again
3012                                 break;
3013                         }
3014
3015                         s_count = list->getItem(s.i).count;
3016                 } while(0);
3017
3018                 bool identical = (m_selected_item != NULL) && s.isValid() &&
3019                         (inv_selected == inv_s) &&
3020                         (m_selected_item->listname == s.listname) &&
3021                         (m_selected_item->i == s.i);
3022
3023                 // buttons: 0 = left, 1 = right, 2 = middle
3024                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
3025                 int button = 0;
3026                 int updown = 2;
3027                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
3028                         { button = 0; updown = 0; }
3029                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
3030                         { button = 1; updown = 0; }
3031                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
3032                         { button = 2; updown = 0; }
3033                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
3034                         { button = 0; updown = 1; }
3035                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
3036                         { button = 1; updown = 1; }
3037                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
3038                         { button = 2; updown = 1; }
3039                 else if(event.MouseInput.Event == EMIE_MOUSE_MOVED)
3040                         { updown = -1;}
3041
3042                 // Set this number to a positive value to generate a move action
3043                 // from m_selected_item to s.
3044                 u32 move_amount = 0;
3045
3046                 // Set this number to a positive value to generate a drop action
3047                 // from m_selected_item.
3048                 u32 drop_amount = 0;
3049
3050                 // Set this number to a positive value to generate a craft action at s.
3051                 u32 craft_amount = 0;
3052
3053                 if(updown == 0) {
3054                         // Some mouse button has been pressed
3055
3056                         //infostream<<"Mouse button "<<button<<" pressed at p=("
3057                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3058
3059                         m_selected_dragging = false;
3060
3061                         if(s.isValid() && s.listname == "craftpreview") {
3062                                 // Craft preview has been clicked: craft
3063                                 craft_amount = (button == 2 ? 10 : 1);
3064                         }
3065                         else if(m_selected_item == NULL) {
3066                                 if(s_count != 0) {
3067                                         // Non-empty stack has been clicked: select it
3068                                         m_selected_item = new ItemSpec(s);
3069
3070                                         if(button == 1)  // right
3071                                                 m_selected_amount = (s_count + 1) / 2;
3072                                         else if(button == 2)  // middle
3073                                                 m_selected_amount = MYMIN(s_count, 10);
3074                                         else  // left
3075                                                 m_selected_amount = s_count;
3076
3077                                         m_selected_dragging = true;
3078                                 }
3079                         }
3080                         else { // m_selected_item != NULL
3081                                 assert(m_selected_amount >= 1);
3082
3083                                 if(s.isValid()) {
3084                                         // Clicked a slot: move
3085                                         if(button == 1)  // right
3086                                                 move_amount = 1;
3087                                         else if(button == 2)  // middle
3088                                                 move_amount = MYMIN(m_selected_amount, 10);
3089                                         else  // left
3090                                                 move_amount = m_selected_amount;
3091
3092                                         if(identical) {
3093                                                 if(move_amount >= m_selected_amount)
3094                                                         m_selected_amount = 0;
3095                                                 else
3096                                                         m_selected_amount -= move_amount;
3097                                                 move_amount = 0;
3098                                         }
3099                                 }
3100                                 else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
3101                                         // Clicked outside of the window: drop
3102                                         if(button == 1)  // right
3103                                                 drop_amount = 1;
3104                                         else if(button == 2)  // middle
3105                                                 drop_amount = MYMIN(m_selected_amount, 10);
3106                                         else  // left
3107                                                 drop_amount = m_selected_amount;
3108                                 }
3109                         }
3110                 }
3111                 else if(updown == 1) {
3112                         // Some mouse button has been released
3113
3114                         //infostream<<"Mouse button "<<button<<" released at p=("
3115                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3116
3117                         if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
3118                                 if(!identical) {
3119                                         // Dragged to different slot: move all selected
3120                                         move_amount = m_selected_amount;
3121                                 }
3122                         }
3123                         else if(m_selected_item != NULL && m_selected_dragging &&
3124                                 !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
3125                                 // Dragged outside of window: drop all selected
3126                                 drop_amount = m_selected_amount;
3127                         }
3128
3129                         m_selected_dragging = false;
3130                 }
3131                 else if(updown == -1) {
3132                         // Mouse has been moved and rmb is down and mouse pointer just
3133                         // entered a new inventory field (checked in the entry-if, this
3134                         // is the only action here that is generated by mouse movement)
3135                         if(m_selected_item != NULL && s.isValid()){
3136                                 // Move 1 item
3137                                 // TODO: middle mouse to move 10 items might be handy
3138                                 move_amount = 1;
3139                         }
3140                 }
3141
3142                 // Possibly send inventory action to server
3143                 if(move_amount > 0)
3144                 {
3145                         // Send IACTION_MOVE
3146
3147                         assert(m_selected_item && m_selected_item->isValid());
3148                         assert(s.isValid());
3149
3150                         assert(inv_selected && inv_s);
3151                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3152                         InventoryList *list_to = inv_s->getList(s.listname);
3153                         assert(list_from && list_to);
3154                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3155                         ItemStack stack_to = list_to->getItem(s.i);
3156
3157                         // Check how many items can be moved
3158                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
3159                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
3160                         // If source stack cannot be added to destination stack at all,
3161                         // they are swapped
3162                         if ((leftover.count == stack_from.count) &&
3163                                         (leftover.name == stack_from.name)) {
3164                                 m_selected_amount = stack_to.count;
3165                                 // In case the server doesn't directly swap them but instead
3166                                 // moves stack_to somewhere else, set this
3167                                 m_selected_content_guess = stack_to;
3168                                 m_selected_content_guess_inventory = s.inventoryloc;
3169                         }
3170                         // Source stack goes fully into destination stack
3171                         else if(leftover.empty()) {
3172                                 m_selected_amount -= move_amount;
3173                                 m_selected_content_guess = ItemStack(); // Clear
3174                         }
3175                         // Source stack goes partly into destination stack
3176                         else {
3177                                 move_amount -= leftover.count;
3178                                 m_selected_amount -= move_amount;
3179                                 m_selected_content_guess = ItemStack(); // Clear
3180                         }
3181
3182                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
3183                         IMoveAction *a = new IMoveAction();
3184                         a->count = move_amount;
3185                         a->from_inv = m_selected_item->inventoryloc;
3186                         a->from_list = m_selected_item->listname;
3187                         a->from_i = m_selected_item->i;
3188                         a->to_inv = s.inventoryloc;
3189                         a->to_list = s.listname;
3190                         a->to_i = s.i;
3191                         m_invmgr->inventoryAction(a);
3192                 }
3193                 else if(drop_amount > 0) {
3194                         m_selected_content_guess = ItemStack(); // Clear
3195
3196                         // Send IACTION_DROP
3197
3198                         assert(m_selected_item && m_selected_item->isValid());
3199                         assert(inv_selected);
3200                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3201                         assert(list_from);
3202                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3203
3204                         // Check how many items can be dropped
3205                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
3206                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
3207                         m_selected_amount -= drop_amount;
3208
3209                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
3210                         IDropAction *a = new IDropAction();
3211                         a->count = drop_amount;
3212                         a->from_inv = m_selected_item->inventoryloc;
3213                         a->from_list = m_selected_item->listname;
3214                         a->from_i = m_selected_item->i;
3215                         m_invmgr->inventoryAction(a);
3216                 }
3217                 else if(craft_amount > 0) {
3218                         m_selected_content_guess = ItemStack(); // Clear
3219
3220                         // Send IACTION_CRAFT
3221
3222                         assert(s.isValid());
3223                         assert(inv_s);
3224
3225                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
3226                         ICraftAction *a = new ICraftAction();
3227                         a->count = craft_amount;
3228                         a->craft_inv = s.inventoryloc;
3229                         m_invmgr->inventoryAction(a);
3230                 }
3231
3232                 // If m_selected_amount has been decreased to zero, deselect
3233                 if(m_selected_amount == 0) {
3234                         delete m_selected_item;
3235                         m_selected_item = NULL;
3236                         m_selected_amount = 0;
3237                         m_selected_dragging = false;
3238                         m_selected_content_guess = ItemStack();
3239                 }
3240                 m_old_pointer = m_pointer;
3241         }
3242         if(event.EventType==EET_GUI_EVENT) {
3243
3244                 if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
3245                                 && isVisible()) {
3246                         // find the element that was clicked
3247                         for(unsigned int i=0; i<m_fields.size(); i++) {
3248                                 FieldSpec &s = m_fields[i];
3249                                 if ((s.ftype == f_TabHeader) &&
3250                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3251                                         s.send = true;
3252                                         acceptInput();
3253                                         s.send = false;
3254                                         return true;
3255                                 }
3256                         }
3257                 }
3258                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
3259                                 && isVisible()) {
3260                         if(!canTakeFocus(event.GUIEvent.Element)) {
3261                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
3262                                                 <<std::endl;
3263                                 // Returning true disables focus change
3264                                 return true;
3265                         }
3266                 }
3267                 if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
3268                                 (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
3269                                 (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
3270                                 (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
3271                         unsigned int btn_id = event.GUIEvent.Caller->getID();
3272
3273                         if (btn_id == 257) {
3274                                 if (m_allowclose) {
3275                                         acceptInput(quit_mode_accept);
3276                                         quitMenu();
3277                                 } else {
3278                                         acceptInput();
3279                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3280                                 }
3281                                 // quitMenu deallocates menu
3282                                 return true;
3283                         }
3284
3285                         // find the element that was clicked
3286                         for(u32 i=0; i<m_fields.size(); i++) {
3287                                 FieldSpec &s = m_fields[i];
3288                                 // if its a button, set the send field so
3289                                 // lua knows which button was pressed
3290                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
3291                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3292                                         s.send = true;
3293                                         if(s.is_exit) {
3294                                                 if (m_allowclose) {
3295                                                         acceptInput(quit_mode_accept);
3296                                                         quitMenu();
3297                                                 } else {
3298                                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3299                                                 }
3300                                                 return true;
3301                                         } else {
3302                                                 acceptInput(quit_mode_no);
3303                                                 s.send = false;
3304                                                 return true;
3305                                         }
3306                                 }
3307                                 else if ((s.ftype == f_DropDown) &&
3308                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3309                                         // only send the changed dropdown
3310                                         for(u32 i=0; i<m_fields.size(); i++) {
3311                                                 FieldSpec &s2 = m_fields[i];
3312                                                 if (s2.ftype == f_DropDown) {
3313                                                         s2.send = false;
3314                                                 }
3315                                         }
3316                                         s.send = true;
3317                                         acceptInput(quit_mode_no);
3318
3319                                         // revert configuration to make sure dropdowns are sent on
3320                                         // regular button click
3321                                         for(u32 i=0; i<m_fields.size(); i++) {
3322                                                 FieldSpec &s2 = m_fields[i];
3323                                                 if (s2.ftype == f_DropDown) {
3324                                                         s2.send = true;
3325                                                 }
3326                                         }
3327                                         return true;
3328                                 }
3329                                 else if ((s.ftype == f_ScrollBar) &&
3330                                         (s.fid == event.GUIEvent.Caller->getID()))
3331                                 {
3332                                         s.fdefault = L"Changed";
3333                                         acceptInput(quit_mode_no);
3334                                         s.fdefault = L"";
3335                                 }
3336                         }
3337                 }
3338
3339                 if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
3340                         if(event.GUIEvent.Caller->getID() > 257) {
3341
3342                                 if (m_allowclose) {
3343                                         acceptInput(quit_mode_accept);
3344                                         quitMenu();
3345                                 } else {
3346                                         current_keys_pending.key_enter = true;
3347                                         acceptInput();
3348                                 }
3349                                 // quitMenu deallocates menu
3350                                 return true;
3351                         }
3352                 }
3353
3354                 if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
3355                         int current_id = event.GUIEvent.Caller->getID();
3356                         if(current_id > 257) {
3357                                 // find the element that was clicked
3358                                 for(u32 i=0; i<m_fields.size(); i++) {
3359                                         FieldSpec &s = m_fields[i];
3360                                         // if it's a table, set the send field
3361                                         // so lua knows which table was changed
3362                                         if ((s.ftype == f_Table) && (s.fid == current_id)) {
3363                                                 s.send = true;
3364                                                 acceptInput();
3365                                                 s.send=false;
3366                                         }
3367                                 }
3368                                 return true;
3369                         }
3370                 }
3371         }
3372
3373         return Parent ? Parent->OnEvent(event) : false;
3374 }
3375
3376 /**
3377  * get name of element by element id
3378  * @param id of element
3379  * @return name string or empty string
3380  */
3381 std::wstring GUIFormSpecMenu::getNameByID(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->fname;
3387                 }
3388         }
3389         return L"";
3390 }
3391
3392 /**
3393  * get label of element by id
3394  * @param id of element
3395  * @return label string or empty string
3396  */
3397 std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
3398 {
3399         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3400                                 iter != m_fields.end(); iter++) {
3401                 if (iter->fid == id) {
3402                         return iter->flabel;
3403                 }
3404         }
3405         return L"";
3406 }