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
  54 #define MY_CHECKPOS(a,b)                                                                                                        \
  55         if (v_pos.size() != 2) {                                                                                                \
  56                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  57                         << parts[b] << "\"" << std::endl;                                                               \
  58                         return;                                                                                                                 \
  59         }
  60
  61 #define MY_CHECKGEOM(a,b)                                                                                                       \
  62         if (v_geom.size() != 2) {                                                                                               \
  63                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  64                         << parts[b] << "\"" << std::endl;                                                               \
  65                         return;                                                                                                                 \
  66         }
  67 /*
  68         GUIFormSpecMenu
  69 */
  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                 GUIFormSpecMenu** ext_ptr, 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_old_tooltip_id(-1),
  87         m_allowclose(true),
  88         m_lock(false),
  89         m_form_src(fsrc),
  90         m_text_dst(tdst),
  91         m_ext_ptr(ext_ptr),
  92         m_font(dev->getGUIEnvironment()->getSkin()->getFont()),
  93         m_formspec_version(0)
  94 #ifdef __ANDROID__
  95         ,m_JavaDialogFieldName(L"")
  96 #endif
  97 {
  98         current_keys_pending.key_down = false;
  99         current_keys_pending.key_up = false;
 100         current_keys_pending.key_enter = false;
 101         current_keys_pending.key_escape = false;
 102
 103         m_doubleclickdetect[0].time = 0;
 104         m_doubleclickdetect[1].time = 0;
 105
 106         m_doubleclickdetect[0].pos = v2s32(0, 0);
 107         m_doubleclickdetect[1].pos = v2s32(0, 0);
 108
 109         m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
 110
 111         m_btn_height = g_settings->getS32("font_size") +2;
 112         assert(m_btn_height > 0);
 113 }
 114
 115 GUIFormSpecMenu::~GUIFormSpecMenu()
 116 {
 117         removeChildren();
 118
 119         for (u32 i = 0; i < m_tables.size(); ++i) {
 120                 GUITable *table = m_tables[i].second;
 121                 table->drop();
 122         }
 123
 124         delete m_selected_item;
 125
 126         if (m_form_src != NULL) {
 127                 delete m_form_src;
 128         }
 129         if (m_text_dst != NULL) {
 130                 delete m_text_dst;
 131         }
 132
 133         if (m_ext_ptr != NULL) {
 134                 assert(*m_ext_ptr == this);
 135                 *m_ext_ptr = NULL;
 136         }
 137 }
 138
 139 void GUIFormSpecMenu::removeChildren()
 140 {
 141         const core::list<gui::IGUIElement*> &children = getChildren();
 142
 143         while(!children.empty()) {
 144                 (*children.getLast())->remove();
 145         }
 146
 147         if(m_tooltip_element) {
 148                 m_tooltip_element->remove();
 149                 m_tooltip_element->drop();
 150                 m_tooltip_element = NULL;
 151         }
 152
 153 }
 154
 155 void GUIFormSpecMenu::setInitialFocus()
 156 {
 157         // Set initial focus according to following order of precedence:
 158         // 1. first empty editbox
 159         // 2. first editbox
 160         // 3. first table
 161         // 4. last button
 162         // 5. first focusable (not statictext, not tabheader)
 163         // 6. first child element
 164
 165         core::list<gui::IGUIElement*> children = getChildren();
 166
 167         // in case "children" contains any NULL elements, remove them
 168         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 169                         it != children.end();) {
 170                 if (*it)
 171                         ++it;
 172                 else
 173                         it = children.erase(it);
 174         }
 175
 176         // 1. first empty editbox
 177         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 178                         it != children.end(); ++it) {
 179                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
 180                                 && (*it)->getText()[0] == 0) {
 181                         Environment->setFocus(*it);
 182                         return;
 183                 }
 184         }
 185
 186         // 2. first editbox
 187         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 188                         it != children.end(); ++it) {
 189                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
 190                         Environment->setFocus(*it);
 191                         return;
 192                 }
 193         }
 194
 195         // 3. first table
 196         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 197                         it != children.end(); ++it) {
 198                 if ((*it)->getTypeName() == std::string("GUITable")) {
 199                         Environment->setFocus(*it);
 200                         return;
 201                 }
 202         }
 203
 204         // 4. last button
 205         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
 206                         it != children.end(); --it) {
 207                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
 208                         Environment->setFocus(*it);
 209                         return;
 210                 }
 211         }
 212
 213         // 5. first focusable (not statictext, not tabheader)
 214         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 215                         it != children.end(); ++it) {
 216                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
 217                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
 218                         Environment->setFocus(*it);
 219                         return;
 220                 }
 221         }
 222
 223         // 6. first child element
 224         if (children.empty())
 225                 Environment->setFocus(this);
 226         else
 227                 Environment->setFocus(*(children.begin()));
 228 }
 229
 230 GUITable* GUIFormSpecMenu::getTable(std::wstring tablename)
 231 {
 232         for (u32 i = 0; i < m_tables.size(); ++i) {
 233                 if (tablename == m_tables[i].first.fname)
 234                         return m_tables[i].second;
 235         }
 236         return 0;
 237 }
 238
 239 std::vector<std::string> split(const std::string &s, char delim) {
 240         std::vector<std::string> tokens;
 241
 242         std::string current = "";
 243         bool last_was_escape = false;
 244         for(unsigned int i=0; i < s.size(); i++) {
 245                 if (last_was_escape) {
 246                         current += '\\';
 247                         current += s.c_str()[i];
 248                         last_was_escape = false;
 249                 }
 250                 else {
 251                         if (s.c_str()[i] == delim) {
 252                                 tokens.push_back(current);
 253                                 current = "";
 254                                 last_was_escape = false;
 255                         }
 256                         else if (s.c_str()[i] == '\\'){
 257                                 last_was_escape = true;
 258                         }
 259                         else {
 260                                 current += s.c_str()[i];
 261                                 last_was_escape = false;
 262                         }
 263                 }
 264         }
 265         //push last element
 266         tokens.push_back(current);
 267
 268         return tokens;
 269 }
 270
 271 void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
 272 {
 273         std::vector<std::string> parts = split(element,',');
 274
 275         if (((parts.size() == 2) || parts.size() == 3) ||
 276                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 277         {
 278                 v2f invsize;
 279
 280                 if (parts[1].find(';') != std::string::npos)
 281                         parts[1] = parts[1].substr(0,parts[1].find(';'));
 282
 283                 invsize.X = stof(parts[0]);
 284                 invsize.Y = stof(parts[1]);
 285
 286                 lockSize(false);
 287                 if (parts.size() == 3) {
 288                         if (parts[2] == "true") {
 289                                 lockSize(true,v2u32(800,600));
 290                         }
 291                 }
 292
 293                 double cur_scaling = porting::getDisplayDensity() *
 294                                 g_settings->getFloat("gui_scaling");
 295
 296                 if (m_lock) {
 297                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
 298                         v2u32 delta = current_screensize - m_lockscreensize;
 299
 300                         if (current_screensize.Y > m_lockscreensize.Y)
 301                                 delta.Y /= 2;
 302                         else
 303                                 delta.Y = 0;
 304
 305                         if (current_screensize.X > m_lockscreensize.X)
 306                                 delta.X /= 2;
 307                         else
 308                                 delta.X = 0;
 309
 310                         offset = v2s32(delta.X,delta.Y);
 311
 312                         data->screensize = m_lockscreensize;
 313
 314                         // fixed scaling for fixed size gui elements */
 315                         cur_scaling = LEGACY_SCALING;
 316                 }
 317                 else {
 318                         offset = v2s32(0,0);
 319                 }
 320
 321                 /* adjust image size to dpi */
 322                 int y_partition = 15;
 323                 imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 324                 int min_imgsize = DEFAULT_IMGSIZE * cur_scaling;
 325                 while ((min_imgsize > imgsize.Y) && (y_partition > 1)) {
 326                         y_partition--;
 327                         imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
 328                 }
 329                 assert(y_partition > 0);
 330
 331                 /* adjust spacing to dpi */
 332                 spacing = v2s32(imgsize.X+(DEFAULT_XSPACING * cur_scaling),
 333                                 imgsize.Y+(DEFAULT_YSPACING * cur_scaling));
 334
 335                 padding = v2s32(data->screensize.Y/imgsize.Y, data->screensize.Y/imgsize.Y);
 336
 337                 /* adjust padding to dpi */
 338                 padding = v2s32(
 339                                 (padding.X/(2.0/3.0)) * cur_scaling,
 340                                 (padding.X/(2.0/3.0)) * cur_scaling
 341                                 );
 342                 data->size = v2s32(
 343                         padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 344                         padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + m_btn_height - 5
 345                 );
 346                 data->rect = core::rect<s32>(
 347                                 data->screensize.X/2 - data->size.X/2 + offset.X,
 348                                 data->screensize.Y/2 - data->size.Y/2 + offset.Y,
 349                                 data->screensize.X/2 + data->size.X/2 + offset.X,
 350                                 data->screensize.Y/2 + data->size.Y/2 + offset.Y
 351                 );
 352
 353                 DesiredRect = data->rect;
 354                 recalculateAbsolutePosition(false);
 355                 data->basepos = getBasePos();
 356                 data->bp_set = 2;
 357                 return;
 358         }
 359         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
 360 }
 361
 362 void GUIFormSpecMenu::parseList(parserData* data,std::string element)
 363 {
 364         if (m_gamedef == 0) {
 365                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
 366                 return;
 367         }
 368
 369         std::vector<std::string> parts = split(element,';');
 370
 371         if (((parts.size() == 4) || (parts.size() == 5)) ||
 372                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 373         {
 374                 std::string location = parts[0];
 375                 std::string listname = parts[1];
 376                 std::vector<std::string> v_pos  = split(parts[2],',');
 377                 std::vector<std::string> v_geom = split(parts[3],',');
 378                 std::string startindex = "";
 379                 if (parts.size() == 5)
 380                         startindex = parts[4];
 381
 382                 MY_CHECKPOS("list",2);
 383                 MY_CHECKGEOM("list",3);
 384
 385                 InventoryLocation loc;
 386
 387                 if(location == "context" || location == "current_name")
 388                         loc = m_current_inventory_location;
 389                 else
 390                         loc.deSerialize(location);
 391
 392                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 393                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 394                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 395
 396                 v2s32 geom;
 397                 geom.X = stoi(v_geom[0]);
 398                 geom.Y = stoi(v_geom[1]);
 399
 400                 s32 start_i = 0;
 401                 if(startindex != "")
 402                         start_i = stoi(startindex);
 403
 404                 if (geom.X < 0 || geom.Y < 0 || start_i < 0) {
 405                         errorstream<< "Invalid list element: '" << element << "'"  << std::endl;
 406                         return;
 407                 }
 408
 409                 if(data->bp_set != 2)
 410                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 411                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 412                 return;
 413         }
 414         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
 415 }
 416
 417 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 418 {
 419         std::vector<std::string> parts = split(element,';');
 420
 421         if (((parts.size() >= 3) || (parts.size() <= 4)) ||
 422                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 423         {
 424                 std::vector<std::string> v_pos = split(parts[0],',');
 425                 std::string name = parts[1];
 426                 std::string label = parts[2];
 427                 std::string selected = "";
 428
 429                 if (parts.size() >= 4)
 430                         selected = parts[3];
 431
 432                 MY_CHECKPOS("checkbox",0);
 433
 434                 v2s32 pos = padding;
 435                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 436                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 437
 438                 bool fselected = false;
 439
 440                 if (selected == "true")
 441                         fselected = true;
 442
 443                 std::wstring wlabel = narrow_to_wide(label.c_str());
 444
 445                 core::rect<s32> rect = core::rect<s32>(
 446                                 pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
 447                                 pos.X + m_font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
 448                                 pos.Y + ((imgsize.Y/2) + m_btn_height));
 449
 450                 FieldSpec spec(
 451                                 narrow_to_wide(name.c_str()),
 452                                 wlabel, //Needed for displaying text on MSVC
 453                                 wlabel,
 454                                 258+m_fields.size()
 455                         );
 456
 457                 spec.ftype = f_CheckBox;
 458
 459                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
 460                                         spec.fid, spec.flabel.c_str());
 461
 462                 if (spec.fname == data->focused_fieldname) {
 463                         Environment->setFocus(e);
 464                 }
 465
 466                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
 467                 m_fields.push_back(spec);
 468                 return;
 469         }
 470         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 471 }
 472
 473 void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
 474 {
 475         std::vector<std::string> parts = split(element,';');
 476
 477         if (parts.size() >= 5) {
 478                 std::vector<std::string> v_pos = split(parts[0],',');
 479                 std::vector<std::string> v_dim = split(parts[1],',');
 480                 std::string name = parts[2];
 481                 std::string value = parts[4];
 482
 483                 MY_CHECKPOS("scrollbar",0);
 484
 485                 v2s32 pos = padding;
 486                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 487                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 488
 489                 if (v_dim.size() != 2) {
 490                         errorstream<< "Invalid size for element " << "scrollbar"
 491                                 << "specified: \"" << parts[1] << "\"" << std::endl;
 492                         return;
 493                 }
 494
 495                 v2s32 dim;
 496                 dim.X = stof(v_dim[0]) * (float) spacing.X;
 497                 dim.Y = stof(v_dim[1]) * (float) spacing.Y;
 498
 499                 core::rect<s32> rect =
 500                                 core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
 501
 502                 FieldSpec spec(
 503                                 narrow_to_wide(name.c_str()),
 504                                 L"",
 505                                 L"",
 506                                 258+m_fields.size()
 507                         );
 508
 509                 bool is_horizontal = true;
 510
 511                 if (parts[2] == "vertical")
 512                         is_horizontal = false;
 513
 514                 spec.ftype = f_ScrollBar;
 515                 spec.send  = true;
 516                 gui::IGUIScrollBar* e =
 517                                 Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
 518
 519                 e->setMax(1000);
 520                 e->setMin(0);
 521                 e->setPos(stoi(parts[4]));
 522                 e->setSmallStep(10);
 523                 e->setLargeStep(100);
 524
 525                 if (!m_lock) {
 526                         core::rect<s32> relative_rect = e->getRelativePosition();
 527
 528                         if (!is_horizontal) {
 529                                 s32 original_width = relative_rect.getWidth();
 530                                 s32 width = (original_width/(2.0/3.0))
 531                                                 * porting::getDisplayDensity()
 532                                                 * g_settings->getFloat("gui_scaling");
 533                                 e->setRelativePosition(core::rect<s32>(
 534                                                 relative_rect.UpperLeftCorner.X,
 535                                                 relative_rect.UpperLeftCorner.Y,
 536                                                 relative_rect.LowerRightCorner.X + (width - original_width),
 537                                                 relative_rect.LowerRightCorner.Y
 538                                         ));
 539                         }
 540                         else  {
 541                                 s32 original_height = relative_rect.getHeight();
 542                                 s32 height = (original_height/(2.0/3.0))
 543                                                 * porting::getDisplayDensity()
 544                                                 * g_settings->getFloat("gui_scaling");
 545                                 e->setRelativePosition(core::rect<s32>(
 546                                                 relative_rect.UpperLeftCorner.X,
 547                                                 relative_rect.UpperLeftCorner.Y,
 548                                                 relative_rect.LowerRightCorner.X,
 549                                                 relative_rect.LowerRightCorner.Y + (height - original_height)
 550                                         ));
 551                         }
 552                 }
 553
 554                 m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
 555                 m_fields.push_back(spec);
 556                 return;
 557         }
 558         errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
 559 }
 560
 561 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
 562 {
 563         std::vector<std::string> parts = split(element,';');
 564
 565         if ((parts.size() == 3) ||
 566                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 567         {
 568                 std::vector<std::string> v_pos = split(parts[0],',');
 569                 std::vector<std::string> v_geom = split(parts[1],',');
 570                 std::string name = unescape_string(parts[2]);
 571
 572                 MY_CHECKPOS("image",0);
 573                 MY_CHECKGEOM("image",1);
 574
 575                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 576                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 577                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 578
 579                 v2s32 geom;
 580                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 581                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 582
 583                 if(data->bp_set != 2)
 584                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 585                 m_images.push_back(ImageDrawSpec(name, pos, geom));
 586                 return;
 587         }
 588
 589         if (parts.size() == 2) {
 590                 std::vector<std::string> v_pos = split(parts[0],',');
 591                 std::string name = unescape_string(parts[1]);
 592
 593                 MY_CHECKPOS("image",0);
 594
 595                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 596                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 597                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 598
 599                 if(data->bp_set != 2)
 600                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 601                 m_images.push_back(ImageDrawSpec(name, pos));
 602                 return;
 603         }
 604         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
 605 }
 606
 607 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
 608 {
 609         std::vector<std::string> parts = split(element,';');
 610
 611         if ((parts.size() == 3) ||
 612                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
 613         {
 614                 std::vector<std::string> v_pos = split(parts[0],',');
 615                 std::vector<std::string> v_geom = split(parts[1],',');
 616                 std::string name = parts[2];
 617
 618                 MY_CHECKPOS("itemimage",0);
 619                 MY_CHECKGEOM("itemimage",1);
 620
 621                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 622                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 623                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 624
 625                 v2s32 geom;
 626                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 627                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 628
 629                 if(data->bp_set != 2)
 630                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 631                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 632                 return;
 633         }
 634         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
 635 }
 636
 637 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 638                 std::string type)
 639 {
 640         std::vector<std::string> parts = split(element,';');
 641
 642         if ((parts.size() == 4) ||
 643                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 644         {
 645                 std::vector<std::string> v_pos = split(parts[0],',');
 646                 std::vector<std::string> v_geom = split(parts[1],',');
 647                 std::string name = parts[2];
 648                 std::string label = parts[3];
 649
 650                 MY_CHECKPOS("button",0);
 651                 MY_CHECKGEOM("button",1);
 652
 653                 v2s32 pos = padding;
 654                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 655                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 656
 657                 v2s32 geom;
 658                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 659                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 660
 661                 core::rect<s32> rect =
 662                                 core::rect<s32>(pos.X, pos.Y - m_btn_height,
 663                                                 pos.X + geom.X, pos.Y + m_btn_height);
 664
 665                 if(data->bp_set != 2)
 666                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 667
 668                 label = unescape_string(label);
 669
 670                 std::wstring wlabel = narrow_to_wide(label.c_str());
 671
 672                 FieldSpec spec(
 673                         narrow_to_wide(name.c_str()),
 674                         wlabel,
 675                         L"",
 676                         258+m_fields.size()
 677                 );
 678                 spec.ftype = f_Button;
 679                 if(type == "button_exit")
 680                         spec.is_exit = true;
 681                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
 682                                 spec.flabel.c_str());
 683
 684                 if (spec.fname == data->focused_fieldname) {
 685                         Environment->setFocus(e);
 686                 }
 687
 688                 m_fields.push_back(spec);
 689                 return;
 690         }
 691         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
 692 }
 693
 694 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
 695 {
 696         std::vector<std::string> parts = split(element,';');
 697
 698         if (((parts.size() == 3) || (parts.size() == 4)) ||
 699                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 700         {
 701                 std::vector<std::string> v_pos = split(parts[0],',');
 702                 std::vector<std::string> v_geom = split(parts[1],',');
 703                 std::string name = unescape_string(parts[2]);
 704
 705                 MY_CHECKPOS("background",0);
 706                 MY_CHECKGEOM("background",1);
 707
 708                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 709                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 710                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 711
 712                 v2s32 geom;
 713                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 714                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 715
 716                 if (parts.size() == 4) {
 717                         m_clipbackground = is_yes(parts[3]);
 718                         if (m_clipbackground) {
 719                                 pos.X = stoi(v_pos[0]); //acts as offset
 720                                 pos.Y = stoi(v_pos[1]); //acts as offset
 721                         }
 722                 }
 723
 724                 if(data->bp_set != 2)
 725                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 726                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 727                 return;
 728         }
 729         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
 730 }
 731
 732 void GUIFormSpecMenu::parseTableOptions(parserData* data,std::string element)
 733 {
 734         std::vector<std::string> parts = split(element,';');
 735
 736         data->table_options.clear();
 737         for (size_t i = 0; i < parts.size(); ++i) {
 738                 // Parse table option
 739                 std::string opt = unescape_string(parts[i]);
 740                 data->table_options.push_back(GUITable::splitOption(opt));
 741         }
 742 }
 743
 744 void GUIFormSpecMenu::parseTableColumns(parserData* data,std::string element)
 745 {
 746         std::vector<std::string> parts = split(element,';');
 747
 748         data->table_columns.clear();
 749         for (size_t i = 0; i < parts.size(); ++i) {
 750                 std::vector<std::string> col_parts = split(parts[i],',');
 751                 GUITable::TableColumn column;
 752                 // Parse column type
 753                 if (!col_parts.empty())
 754                         column.type = col_parts[0];
 755                 // Parse column options
 756                 for (size_t j = 1; j < col_parts.size(); ++j) {
 757                         std::string opt = unescape_string(col_parts[j]);
 758                         column.options.push_back(GUITable::splitOption(opt));
 759                 }
 760                 data->table_columns.push_back(column);
 761         }
 762 }
 763
 764 void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 765 {
 766         std::vector<std::string> parts = split(element,';');
 767
 768         if (((parts.size() == 4) || (parts.size() == 5)) ||
 769                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 770         {
 771                 std::vector<std::string> v_pos = split(parts[0],',');
 772                 std::vector<std::string> v_geom = split(parts[1],',');
 773                 std::string name = parts[2];
 774                 std::vector<std::string> items = split(parts[3],',');
 775                 std::string str_initial_selection = "";
 776                 std::string str_transparent = "false";
 777
 778                 if (parts.size() >= 5)
 779                         str_initial_selection = parts[4];
 780
 781                 MY_CHECKPOS("table",0);
 782                 MY_CHECKGEOM("table",1);
 783
 784                 v2s32 pos = padding;
 785                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 786                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 787
 788                 v2s32 geom;
 789                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 790                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 791
 792
 793                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 794
 795                 std::wstring fname_w = narrow_to_wide(name.c_str());
 796
 797                 FieldSpec spec(
 798                         fname_w,
 799                         L"",
 800                         L"",
 801                         258+m_fields.size()
 802                 );
 803
 804                 spec.ftype = f_Table;
 805
 806                 for (unsigned int i = 0; i < items.size(); ++i) {
 807                         items[i] = unescape_string(items[i]);
 808                 }
 809
 810                 //now really show table
 811                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 812                                 m_tsrc);
 813
 814                 if (spec.fname == data->focused_fieldname) {
 815                         Environment->setFocus(e);
 816                 }
 817
 818                 e->setTable(data->table_options, data->table_columns, items);
 819
 820                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 821                         e->setDynamicData(data->table_dyndata[fname_w]);
 822                 }
 823
 824                 if ((str_initial_selection != "") &&
 825                                 (str_initial_selection != "0"))
 826                         e->setSelected(stoi(str_initial_selection.c_str()));
 827
 828                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 829                 m_fields.push_back(spec);
 830                 return;
 831         }
 832         errorstream<< "Invalid table element(" << parts.size() << "): '" << element << "'"  << std::endl;
 833 }
 834
 835 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 836 {
 837         std::vector<std::string> parts = split(element,';');
 838
 839         if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
 840                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
 841         {
 842                 std::vector<std::string> v_pos = split(parts[0],',');
 843                 std::vector<std::string> v_geom = split(parts[1],',');
 844                 std::string name = parts[2];
 845                 std::vector<std::string> items = split(parts[3],',');
 846                 std::string str_initial_selection = "";
 847                 std::string str_transparent = "false";
 848
 849                 if (parts.size() >= 5)
 850                         str_initial_selection = parts[4];
 851
 852                 if (parts.size() >= 6)
 853                         str_transparent = parts[5];
 854
 855                 MY_CHECKPOS("textlist",0);
 856                 MY_CHECKGEOM("textlist",1);
 857
 858                 v2s32 pos = padding;
 859                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 860                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 861
 862                 v2s32 geom;
 863                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 864                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 865
 866
 867                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 868
 869                 std::wstring fname_w = narrow_to_wide(name.c_str());
 870
 871                 FieldSpec spec(
 872                         fname_w,
 873                         L"",
 874                         L"",
 875                         258+m_fields.size()
 876                 );
 877
 878                 spec.ftype = f_Table;
 879
 880                 for (unsigned int i = 0; i < items.size(); ++i) {
 881                         items[i] = unescape_string(items[i]);
 882                 }
 883
 884                 //now really show list
 885                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
 886                                 m_tsrc);
 887
 888                 if (spec.fname == data->focused_fieldname) {
 889                         Environment->setFocus(e);
 890                 }
 891
 892                 e->setTextList(items, is_yes(str_transparent));
 893
 894                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
 895                         e->setDynamicData(data->table_dyndata[fname_w]);
 896                 }
 897
 898                 if ((str_initial_selection != "") &&
 899                                 (str_initial_selection != "0"))
 900                         e->setSelected(stoi(str_initial_selection.c_str()));
 901
 902                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
 903                 m_fields.push_back(spec);
 904                 return;
 905         }
 906         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
 907 }
 908
 909
 910 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 911 {
 912         std::vector<std::string> parts = split(element,';');
 913
 914         if ((parts.size() == 5) ||
 915                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
 916         {
 917                 std::vector<std::string> v_pos = split(parts[0],',');
 918                 std::string name = parts[2];
 919                 std::vector<std::string> items = split(parts[3],',');
 920                 std::string str_initial_selection = "";
 921                 str_initial_selection = parts[4];
 922
 923                 MY_CHECKPOS("dropdown",0);
 924
 925                 v2s32 pos = padding;
 926                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 927                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 928
 929                 s32 width = stof(parts[1]) * (float)spacing.Y;
 930
 931                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
 932                                 pos.X + width, pos.Y + (m_btn_height * 2));
 933
 934                 std::wstring fname_w = narrow_to_wide(name.c_str());
 935
 936                 FieldSpec spec(
 937                         fname_w,
 938                         L"",
 939                         L"",
 940                         258+m_fields.size()
 941                 );
 942
 943                 spec.ftype = f_DropDown;
 944                 spec.send = true;
 945
 946                 //now really show list
 947                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
 948
 949                 if (spec.fname == data->focused_fieldname) {
 950                         Environment->setFocus(e);
 951                 }
 952
 953                 for (unsigned int i=0; i < items.size(); i++) {
 954                         e->addItem(narrow_to_wide(items[i]).c_str());
 955                 }
 956
 957                 if (str_initial_selection != "")
 958                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 959
 960                 m_fields.push_back(spec);
 961                 return;
 962         }
 963         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
 964                                 << element << "'"  << std::endl;
 965 }
 966
 967 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 968 {
 969         std::vector<std::string> parts = split(element,';');
 970
 971         if ((parts.size() == 4) ||
 972                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
 973         {
 974                 std::vector<std::string> v_pos = split(parts[0],',');
 975                 std::vector<std::string> v_geom = split(parts[1],',');
 976                 std::string name = parts[2];
 977                 std::string label = parts[3];
 978
 979                 MY_CHECKPOS("pwdfield",0);
 980                 MY_CHECKGEOM("pwdfield",1);
 981
 982                 v2s32 pos;
 983                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 984                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 985
 986                 v2s32 geom;
 987                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 988
 989                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 990                 pos.Y -= m_btn_height;
 991                 geom.Y = m_btn_height*2;
 992
 993                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 994
 995                 label = unescape_string(label);
 996
 997                 std::wstring wlabel = narrow_to_wide(label.c_str());
 998
 999                 FieldSpec spec(
1000                         narrow_to_wide(name.c_str()),
1001                         wlabel,
1002                         L"",
1003                         258+m_fields.size()
1004                         );
1005
1006                 spec.send = true;
1007                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
1008
1009                 if (spec.fname == data->focused_fieldname) {
1010                         Environment->setFocus(e);
1011                 }
1012
1013                 if (label.length() >= 1)
1014                 {
1015                         rect.UpperLeftCorner.Y -= m_btn_height;
1016                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1017                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1018                 }
1019
1020                 e->setPasswordBox(true,L'*');
1021
1022                 irr::SEvent evt;
1023                 evt.EventType            = EET_KEY_INPUT_EVENT;
1024                 evt.KeyInput.Key         = KEY_END;
1025                 evt.KeyInput.Char        = 0;
1026                 evt.KeyInput.Control     = 0;
1027                 evt.KeyInput.Shift       = 0;
1028                 evt.KeyInput.PressedDown = true;
1029                 e->OnEvent(evt);
1030                 m_fields.push_back(spec);
1031                 return;
1032         }
1033         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
1034 }
1035
1036 void GUIFormSpecMenu::parseSimpleField(parserData* data,
1037                 std::vector<std::string> &parts)
1038 {
1039         std::string name = parts[0];
1040         std::string label = parts[1];
1041         std::string default_val = parts[2];
1042
1043         core::rect<s32> rect;
1044
1045         if(!data->bp_set)
1046         {
1047                 rect = core::rect<s32>(
1048                         data->screensize.X/2 - 580/2,
1049                         data->screensize.Y/2 - 300/2,
1050                         data->screensize.X/2 + 580/2,
1051                         data->screensize.Y/2 + 300/2
1052                 );
1053                 DesiredRect = rect;
1054                 recalculateAbsolutePosition(false);
1055                 data->basepos = getBasePos();
1056                 data->bp_set = 1;
1057         }
1058         else if(data->bp_set == 2)
1059                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
1060
1061         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1062         pos.Y = ((m_fields.size()+2)*60);
1063         v2s32 size = DesiredRect.getSize();
1064
1065         rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
1066                         (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
1067
1068
1069         if(m_form_src)
1070                 default_val = m_form_src->resolveText(default_val);
1071
1072         default_val = unescape_string(default_val);
1073         label = unescape_string(label);
1074
1075         std::wstring wlabel = narrow_to_wide(label.c_str());
1076
1077         FieldSpec spec(
1078                 narrow_to_wide(name.c_str()),
1079                 wlabel,
1080                 narrow_to_wide(default_val.c_str()),
1081                 258+m_fields.size()
1082         );
1083
1084         if (name == "")
1085         {
1086                 // spec field id to 0, this stops submit searching for a value that isn't there
1087                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1088         }
1089         else
1090         {
1091                 spec.send = true;
1092                 gui::IGUIEditBox *e =
1093                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1094
1095                 if (spec.fname == data->focused_fieldname) {
1096                         Environment->setFocus(e);
1097                 }
1098
1099                 irr::SEvent evt;
1100                 evt.EventType            = EET_KEY_INPUT_EVENT;
1101                 evt.KeyInput.Key         = KEY_END;
1102                 evt.KeyInput.Char        = 0;
1103                 evt.KeyInput.Control     = 0;
1104                 evt.KeyInput.Shift       = 0;
1105                 evt.KeyInput.PressedDown = true;
1106                 e->OnEvent(evt);
1107
1108                 if (label.length() >= 1)
1109                 {
1110                         rect.UpperLeftCorner.Y -= m_btn_height;
1111                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1112                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1113                 }
1114         }
1115
1116         m_fields.push_back(spec);
1117 }
1118
1119 void GUIFormSpecMenu::parseTextArea(parserData* data,
1120                 std::vector<std::string>& parts,std::string type)
1121 {
1122
1123         std::vector<std::string> v_pos = split(parts[0],',');
1124         std::vector<std::string> v_geom = split(parts[1],',');
1125         std::string name = parts[2];
1126         std::string label = parts[3];
1127         std::string default_val = parts[4];
1128
1129         MY_CHECKPOS(type,0);
1130         MY_CHECKGEOM(type,1);
1131
1132         v2s32 pos;
1133         pos.X = stof(v_pos[0]) * (float) spacing.X;
1134         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
1135
1136         v2s32 geom;
1137
1138         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1139
1140         if (type == "textarea")
1141         {
1142                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
1143                 pos.Y += m_btn_height;
1144         }
1145         else
1146         {
1147                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
1148                 pos.Y -= m_btn_height;
1149                 geom.Y = m_btn_height*2;
1150         }
1151
1152         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1153
1154         if(data->bp_set != 2)
1155                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
1156
1157         if(m_form_src)
1158                 default_val = m_form_src->resolveText(default_val);
1159
1160
1161         default_val = unescape_string(default_val);
1162         label = unescape_string(label);
1163
1164         std::wstring wlabel = narrow_to_wide(label.c_str());
1165
1166         FieldSpec spec(
1167                 narrow_to_wide(name.c_str()),
1168                 wlabel,
1169                 narrow_to_wide(default_val.c_str()),
1170                 258+m_fields.size()
1171         );
1172
1173         if (name == "")
1174         {
1175                 // spec field id to 0, this stops submit searching for a value that isn't there
1176                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1177         }
1178         else
1179         {
1180                 spec.send = true;
1181                 gui::IGUIEditBox *e =
1182                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1183
1184                 if (spec.fname == data->focused_fieldname) {
1185                         Environment->setFocus(e);
1186                 }
1187
1188                 if (type == "textarea")
1189                 {
1190                         e->setMultiLine(true);
1191                         e->setWordWrap(true);
1192                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1193                 } else {
1194                         irr::SEvent evt;
1195                         evt.EventType            = EET_KEY_INPUT_EVENT;
1196                         evt.KeyInput.Key         = KEY_END;
1197                         evt.KeyInput.Char        = 0;
1198                         evt.KeyInput.Control     = 0;
1199                         evt.KeyInput.Shift       = 0;
1200                         evt.KeyInput.PressedDown = true;
1201                         e->OnEvent(evt);
1202                 }
1203
1204                 if (label.length() >= 1)
1205                 {
1206                         rect.UpperLeftCorner.Y -= m_btn_height;
1207                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1208                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1209                 }
1210         }
1211         m_fields.push_back(spec);
1212 }
1213
1214 void GUIFormSpecMenu::parseField(parserData* data,std::string element,
1215                 std::string type)
1216 {
1217         std::vector<std::string> parts = split(element,';');
1218
1219         if (parts.size() == 3 || parts.size() == 4) {
1220                 parseSimpleField(data,parts);
1221                 return;
1222         }
1223
1224         if ((parts.size() == 5) ||
1225                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1226         {
1227                 parseTextArea(data,parts,type);
1228                 return;
1229         }
1230         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1231 }
1232
1233 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
1234 {
1235         std::vector<std::string> parts = split(element,';');
1236
1237         if ((parts.size() == 2) ||
1238                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1239         {
1240                 std::vector<std::string> v_pos = split(parts[0],',');
1241                 std::string text = parts[1];
1242
1243                 MY_CHECKPOS("label",0);
1244
1245                 v2s32 pos = padding;
1246                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1247                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1248
1249                 if(data->bp_set != 2)
1250                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1251
1252                 text = unescape_string(text);
1253
1254                 std::wstring wlabel = narrow_to_wide(text.c_str());
1255
1256                 core::rect<s32> rect = core::rect<s32>(
1257                                 pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
1258                                 pos.X + m_font->getDimension(wlabel.c_str()).Width,
1259                                 pos.Y+((imgsize.Y/2) + m_btn_height));
1260
1261                 FieldSpec spec(
1262                         L"",
1263                         wlabel,
1264                         L"",
1265                         258+m_fields.size()
1266                 );
1267                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1268                 m_fields.push_back(spec);
1269                 return;
1270         }
1271         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1272 }
1273
1274 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
1275 {
1276         std::vector<std::string> parts = split(element,';');
1277
1278         if ((parts.size() == 2) ||
1279                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1280         {
1281                 std::vector<std::string> v_pos = split(parts[0],',');
1282                 std::wstring text = narrow_to_wide(unescape_string(parts[1]));
1283
1284                 MY_CHECKPOS("vertlabel",1);
1285
1286                 v2s32 pos = padding;
1287                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1288                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1289
1290                 core::rect<s32> rect = core::rect<s32>(
1291                                 pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
1292                                 pos.X+15, pos.Y +
1293                                         (m_font->getKerningHeight() +
1294                                         m_font->getDimension(text.c_str()).Height)
1295                                         * (text.length()+1));
1296                 //actually text.length() would be correct but adding +1 avoids to break all mods
1297
1298                 if(data->bp_set != 2)
1299                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1300
1301                 std::wstring label = L"";
1302
1303                 for (unsigned int i=0; i < text.length(); i++) {
1304                         label += text[i];
1305                         label += L"\n";
1306                 }
1307
1308                 FieldSpec spec(
1309                         L"",
1310                         label,
1311                         L"",
1312                         258+m_fields.size()
1313                 );
1314                 gui::IGUIStaticText *t =
1315                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1316                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1317                 m_fields.push_back(spec);
1318                 return;
1319         }
1320         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1321 }
1322
1323 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
1324                 std::string type)
1325 {
1326         std::vector<std::string> parts = split(element,';');
1327
1328         if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
1329                 ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
1330         {
1331                 std::vector<std::string> v_pos = split(parts[0],',');
1332                 std::vector<std::string> v_geom = split(parts[1],',');
1333                 std::string image_name = parts[2];
1334                 std::string name = parts[3];
1335                 std::string label = parts[4];
1336
1337                 MY_CHECKPOS("imagebutton",0);
1338                 MY_CHECKGEOM("imagebutton",1);
1339
1340                 v2s32 pos = padding;
1341                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1342                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1343                 v2s32 geom;
1344                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1345                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1346
1347                 bool noclip     = false;
1348                 bool drawborder = true;
1349                 std::string pressed_image_name = "";
1350
1351                 if (parts.size() >= 7) {
1352                         if (parts[5] == "true")
1353                                 noclip = true;
1354                         if (parts[6] == "false")
1355                                 drawborder = false;
1356                 }
1357
1358                 if (parts.size() >= 8) {
1359                         pressed_image_name = parts[7];
1360                 }
1361
1362                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1363
1364                 if(data->bp_set != 2)
1365                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1366
1367                 image_name = unescape_string(image_name);
1368                 pressed_image_name = unescape_string(pressed_image_name);
1369                 label = unescape_string(label);
1370
1371                 std::wstring wlabel = narrow_to_wide(label.c_str());
1372
1373                 FieldSpec spec(
1374                         narrow_to_wide(name.c_str()),
1375                         wlabel,
1376                         narrow_to_wide(image_name.c_str()),
1377                         258+m_fields.size()
1378                 );
1379                 spec.ftype = f_Button;
1380                 if(type == "image_button_exit")
1381                         spec.is_exit = true;
1382
1383                 video::ITexture *texture = 0;
1384                 video::ITexture *pressed_texture = 0;
1385                 texture = m_tsrc->getTexture(image_name);
1386                 if (pressed_image_name != "")
1387                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1388                 else
1389                         pressed_texture = texture;
1390
1391                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1392
1393                 if (spec.fname == data->focused_fieldname) {
1394                         Environment->setFocus(e);
1395                 }
1396
1397                 e->setUseAlphaChannel(true);
1398                 e->setImage(texture);
1399                 e->setPressedImage(pressed_texture);
1400                 e->setScaleImage(true);
1401                 e->setNotClipped(noclip);
1402                 e->setDrawBorder(drawborder);
1403
1404                 m_fields.push_back(spec);
1405                 return;
1406         }
1407
1408         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1409 }
1410
1411 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
1412 {
1413         std::vector<std::string> parts = split(element,';');
1414
1415         if (((parts.size() == 4) || (parts.size() == 6)) ||
1416                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
1417         {
1418                 std::vector<std::string> v_pos = split(parts[0],',');
1419                 std::string name = parts[1];
1420                 std::vector<std::string> buttons = split(parts[2],',');
1421                 std::string str_index = parts[3];
1422                 bool show_background = true;
1423                 bool show_border = true;
1424                 int tab_index = stoi(str_index) -1;
1425
1426                 MY_CHECKPOS("tabheader",0);
1427
1428                 if (parts.size() == 6) {
1429                         if (parts[4] == "true")
1430                                 show_background = false;
1431                         if (parts[5] == "false")
1432                                 show_border = false;
1433                 }
1434
1435                 FieldSpec spec(
1436                         narrow_to_wide(name.c_str()),
1437                         L"",
1438                         L"",
1439                         258+m_fields.size()
1440                 );
1441
1442                 spec.ftype = f_TabHeader;
1443
1444                 v2s32 pos(0,0);
1445                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1446                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
1447                 v2s32 geom;
1448                 geom.X = data->screensize.Y;
1449                 geom.Y = m_btn_height*2;
1450
1451                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
1452                                 pos.Y+geom.Y);
1453
1454                 gui::IGUITabControl *e = Environment->addTabControl(rect, this,
1455                                 show_background, show_border, spec.fid);
1456                 e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
1457                                 irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
1458                 e->setTabHeight(m_btn_height*2);
1459
1460                 if (spec.fname == data->focused_fieldname) {
1461                         Environment->setFocus(e);
1462                 }
1463
1464                 e->setNotClipped(true);
1465
1466                 for (unsigned int i=0; i< buttons.size(); i++) {
1467                         e->addTab(narrow_to_wide(buttons[i]).c_str(), -1);
1468                 }
1469
1470                 if ((tab_index >= 0) &&
1471                                 (buttons.size() < INT_MAX) &&
1472                                 (tab_index < (int) buttons.size()))
1473                         e->setActiveTab(tab_index);
1474
1475                 m_fields.push_back(spec);
1476                 return;
1477         }
1478         errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
1479                         << element << "'"  << std::endl;
1480 }
1481
1482 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
1483 {
1484
1485         if (m_gamedef == 0) {
1486                 errorstream <<
1487                                 "WARNING: invalid use of item_image_button with m_gamedef==0"
1488                                 << std::endl;
1489                 return;
1490         }
1491
1492         std::vector<std::string> parts = split(element,';');
1493
1494         if ((parts.size() == 5) ||
1495                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1496         {
1497                 std::vector<std::string> v_pos = split(parts[0],',');
1498                 std::vector<std::string> v_geom = split(parts[1],',');
1499                 std::string item_name = parts[2];
1500                 std::string name = parts[3];
1501                 std::string label = parts[4];
1502
1503                 MY_CHECKPOS("itemimagebutton",0);
1504                 MY_CHECKGEOM("itemimagebutton",1);
1505
1506                 v2s32 pos = padding;
1507                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1508                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1509                 v2s32 geom;
1510                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1511                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1512
1513                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1514
1515                 if(data->bp_set != 2)
1516                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1517
1518                 IItemDefManager *idef = m_gamedef->idef();
1519                 ItemStack item;
1520                 item.deSerialize(item_name, idef);
1521                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1522
1523                 m_tooltips[narrow_to_wide(name.c_str())] =
1524                         TooltipSpec (item.getDefinition(idef).description,
1525                                                 m_default_tooltip_bgcolor,
1526                                                 m_default_tooltip_color);
1527
1528                 label = unescape_string(label);
1529                 FieldSpec spec(
1530                         narrow_to_wide(name.c_str()),
1531                         narrow_to_wide(label.c_str()),
1532                         narrow_to_wide(item_name.c_str()),
1533                         258+m_fields.size()
1534                 );
1535
1536                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1537
1538                 if (spec.fname == data->focused_fieldname) {
1539                         Environment->setFocus(e);
1540                 }
1541
1542                 e->setUseAlphaChannel(true);
1543                 e->setImage(texture);
1544                 e->setPressedImage(texture);
1545                 e->setScaleImage(true);
1546                 spec.ftype = f_Button;
1547                 rect+=data->basepos-padding;
1548                 spec.rect=rect;
1549                 m_fields.push_back(spec);
1550                 return;
1551         }
1552         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1553 }
1554
1555 void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
1556 {
1557         std::vector<std::string> parts = split(element,';');
1558
1559         if ((parts.size() == 3) ||
1560                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
1561         {
1562                 std::vector<std::string> v_pos = split(parts[0],',');
1563                 std::vector<std::string> v_geom = split(parts[1],',');
1564
1565                 MY_CHECKPOS("box",0);
1566                 MY_CHECKGEOM("box",1);
1567
1568                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1569                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1570                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1571
1572                 v2s32 geom;
1573                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1574                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1575
1576                 video::SColor tmp_color;
1577
1578                 if (parseColor(parts[2], tmp_color, false)) {
1579                         BoxDrawSpec spec(pos, geom, tmp_color);
1580
1581                         m_boxes.push_back(spec);
1582                 }
1583                 else {
1584                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1585                 }
1586                 return;
1587         }
1588         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1589 }
1590
1591 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
1592 {
1593         std::vector<std::string> parts = split(element,';');
1594
1595         if (((parts.size() == 1) || (parts.size() == 2)) ||
1596                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1597         {
1598                 parseColor(parts[0],m_bgcolor,false);
1599
1600                 if (parts.size() == 2) {
1601                         std::string fullscreen = parts[1];
1602                         m_bgfullscreen = is_yes(fullscreen);
1603                 }
1604                 return;
1605         }
1606         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1607 }
1608
1609 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
1610 {
1611         std::vector<std::string> parts = split(element,';');
1612
1613         if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
1614                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1615         {
1616                 parseColor(parts[0], m_slotbg_n, false);
1617                 parseColor(parts[1], m_slotbg_h, false);
1618
1619                 if (parts.size() >= 3) {
1620                         if (parseColor(parts[2], m_slotbordercolor, false)) {
1621                                 m_slotborder = true;
1622                         }
1623                 }
1624                 if (parts.size() == 5) {
1625                         video::SColor tmp_color;
1626
1627                         if (parseColor(parts[3], tmp_color, false))
1628                                 m_default_tooltip_bgcolor = tmp_color;
1629                         if (parseColor(parts[4], tmp_color, false))
1630                                 m_default_tooltip_color = tmp_color;
1631                 }
1632                 return;
1633         }
1634         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1635 }
1636
1637 void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
1638 {
1639         std::vector<std::string> parts = split(element,';');
1640         if (parts.size() == 2) {
1641                 std::string name = parts[0];
1642                 m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], m_default_tooltip_bgcolor, m_default_tooltip_color);
1643                 return;
1644         } else if (parts.size() == 4) {
1645                 std::string name = parts[0];
1646                 video::SColor tmp_color1, tmp_color2;
1647                 if ( parseColor(parts[2], tmp_color1, false) && parseColor(parts[3], tmp_color2, false) ) {
1648                         m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], tmp_color1, tmp_color2);
1649                         return;
1650                 }
1651         }
1652         errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
1653 }
1654
1655 bool GUIFormSpecMenu::parseVersionDirect(std::string data)
1656 {
1657         //some prechecks
1658         if (data == "")
1659                 return false;
1660
1661         std::vector<std::string> parts = split(data,'[');
1662
1663         if (parts.size() < 2) {
1664                 return false;
1665         }
1666
1667         if (parts[0] != "formspec_version") {
1668                 return false;
1669         }
1670
1671         if (is_number(parts[1])) {
1672                 m_formspec_version = mystoi(parts[1]);
1673                 return true;
1674         }
1675
1676         return false;
1677 }
1678
1679 void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
1680 {
1681         //some prechecks
1682         if (element == "")
1683                 return;
1684
1685         std::vector<std::string> parts = split(element,'[');
1686
1687         // ugly workaround to keep compatibility
1688         if (parts.size() > 2) {
1689                 if (trim(parts[0]) == "image") {
1690                         for (unsigned int i=2;i< parts.size(); i++) {
1691                                 parts[1] += "[" + parts[i];
1692                         }
1693                 }
1694                 else { return; }
1695         }
1696
1697         if (parts.size() < 2) {
1698                 return;
1699         }
1700
1701         std::string type = trim(parts[0]);
1702         std::string description = trim(parts[1]);
1703
1704         if (type == "size") {
1705                 parseSize(data,description);
1706                 return;
1707         }
1708
1709         if (type == "invsize") {
1710                 log_deprecated("Deprecated formspec element \"invsize\" is used");
1711                 parseSize(data,description);
1712                 return;
1713         }
1714
1715         if (type == "list") {
1716                 parseList(data,description);
1717                 return;
1718         }
1719
1720         if (type == "checkbox") {
1721                 parseCheckbox(data,description);
1722                 return;
1723         }
1724
1725         if (type == "image") {
1726                 parseImage(data,description);
1727                 return;
1728         }
1729
1730         if (type == "item_image") {
1731                 parseItemImage(data,description);
1732                 return;
1733         }
1734
1735         if ((type == "button") || (type == "button_exit")) {
1736                 parseButton(data,description,type);
1737                 return;
1738         }
1739
1740         if (type == "background") {
1741                 parseBackground(data,description);
1742                 return;
1743         }
1744
1745         if (type == "tableoptions"){
1746                 parseTableOptions(data,description);
1747                 return;
1748         }
1749
1750         if (type == "tablecolumns"){
1751                 parseTableColumns(data,description);
1752                 return;
1753         }
1754
1755         if (type == "table"){
1756                 parseTable(data,description);
1757                 return;
1758         }
1759
1760         if (type == "textlist"){
1761                 parseTextList(data,description);
1762                 return;
1763         }
1764
1765         if (type == "dropdown"){
1766                 parseDropDown(data,description);
1767                 return;
1768         }
1769
1770         if (type == "pwdfield") {
1771                 parsePwdField(data,description);
1772                 return;
1773         }
1774
1775         if ((type == "field") || (type == "textarea")){
1776                 parseField(data,description,type);
1777                 return;
1778         }
1779
1780         if (type == "label") {
1781                 parseLabel(data,description);
1782                 return;
1783         }
1784
1785         if (type == "vertlabel") {
1786                 parseVertLabel(data,description);
1787                 return;
1788         }
1789
1790         if (type == "item_image_button") {
1791                 parseItemImageButton(data,description);
1792                 return;
1793         }
1794
1795         if ((type == "image_button") || (type == "image_button_exit")) {
1796                 parseImageButton(data,description,type);
1797                 return;
1798         }
1799
1800         if (type == "tabheader") {
1801                 parseTabHeader(data,description);
1802                 return;
1803         }
1804
1805         if (type == "box") {
1806                 parseBox(data,description);
1807                 return;
1808         }
1809
1810         if (type == "bgcolor") {
1811                 parseBackgroundColor(data,description);
1812                 return;
1813         }
1814
1815         if (type == "listcolors") {
1816                 parseListColors(data,description);
1817                 return;
1818         }
1819
1820         if (type == "tooltip") {
1821                 parseTooltip(data,description);
1822                 return;
1823         }
1824
1825         if (type == "scrollbar") {
1826                 parseScrollBar(data, description);
1827                 return;
1828         }
1829
1830         // Ignore others
1831         infostream
1832                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1833                 <<std::endl;
1834 }
1835
1836
1837
1838 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1839 {
1840         /* useless to regenerate without a screensize */
1841         if ((screensize.X <= 0) || (screensize.Y <= 0)) {
1842                 return;
1843         }
1844
1845         parserData mydata;
1846
1847         //preserve tables
1848         for (u32 i = 0; i < m_tables.size(); ++i) {
1849                 std::wstring tablename = m_tables[i].first.fname;
1850                 GUITable *table = m_tables[i].second;
1851                 mydata.table_dyndata[tablename] = table->getDynamicData();
1852         }
1853
1854         //preserve focus
1855         gui::IGUIElement *focused_element = Environment->getFocus();
1856         if (focused_element && focused_element->getParent() == this) {
1857                 s32 focused_id = focused_element->getID();
1858                 if (focused_id > 257) {
1859                         for (u32 i=0; i<m_fields.size(); i++) {
1860                                 if (m_fields[i].fid == focused_id) {
1861                                         mydata.focused_fieldname =
1862                                                 m_fields[i].fname;
1863                                         break;
1864                                 }
1865                         }
1866                 }
1867         }
1868
1869         // Remove children
1870         removeChildren();
1871
1872         for (u32 i = 0; i < m_tables.size(); ++i) {
1873                 GUITable *table = m_tables[i].second;
1874                 table->drop();
1875         }
1876
1877         mydata.size= v2s32(100,100);
1878         mydata.screensize = screensize;
1879
1880         // Base position of contents of form
1881         mydata.basepos = getBasePos();
1882
1883         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
1884         // Used to adjust form size automatically if needed
1885         // A proceed button is added if there is no size[] element
1886         mydata.bp_set = 0;
1887
1888
1889         /* Convert m_init_draw_spec to m_inventorylists */
1890
1891         m_inventorylists.clear();
1892         m_images.clear();
1893         m_backgrounds.clear();
1894         m_itemimages.clear();
1895         m_tables.clear();
1896         m_checkboxes.clear();
1897         m_scrollbars.clear();
1898         m_fields.clear();
1899         m_boxes.clear();
1900         m_tooltips.clear();
1901
1902         // Set default values (fits old formspec values)
1903         m_bgcolor = video::SColor(140,0,0,0);
1904         m_bgfullscreen = false;
1905
1906         m_slotbg_n = video::SColor(255,128,128,128);
1907         m_slotbg_h = video::SColor(255,192,192,192);
1908
1909         m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
1910         m_default_tooltip_color = video::SColor(255,255,255,255);
1911
1912         m_slotbordercolor = video::SColor(200,0,0,0);
1913         m_slotborder = false;
1914
1915         m_clipbackground = false;
1916         // Add tooltip
1917         {
1918                 assert(m_tooltip_element == NULL);
1919                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1920                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1921                 m_tooltip_element->enableOverrideColor(true);
1922                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
1923                 m_tooltip_element->setDrawBackground(true);
1924                 m_tooltip_element->setDrawBorder(true);
1925                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
1926                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1927                 m_tooltip_element->setWordWrap(false);
1928                 //we're not parent so no autograb for this one!
1929                 m_tooltip_element->grab();
1930         }
1931
1932         std::vector<std::string> elements = split(m_formspec_string,']');
1933         unsigned int i = 0;
1934
1935         /* try to read version from first element only */
1936         if (elements.size() >= 1) {
1937                 if ( parseVersionDirect(elements[0]) ) {
1938                         i++;
1939                 }
1940         }
1941
1942         for (; i< elements.size(); i++) {
1943                 parseElement(&mydata, elements[i]);
1944         }
1945
1946         // If there's fields, add a Proceed button
1947         if (m_fields.size() && mydata.bp_set != 2) {
1948                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
1949                 mydata.rect = core::rect<s32>(
1950                                 mydata.screensize.X/2 - 580/2,
1951                                 mydata.screensize.Y/2 - 300/2,
1952                                 mydata.screensize.X/2 + 580/2,
1953                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
1954                 );
1955                 DesiredRect = mydata.rect;
1956                 recalculateAbsolutePosition(false);
1957                 mydata.basepos = getBasePos();
1958
1959                 {
1960                         v2s32 pos = mydata.basepos;
1961                         pos.Y = ((m_fields.size()+2)*60);
1962
1963                         v2s32 size = DesiredRect.getSize();
1964                         mydata.rect =
1965                                         core::rect<s32>(size.X/2-70, pos.Y,
1966                                                         (size.X/2-70)+140, pos.Y + (m_btn_height*2));
1967                         wchar_t* text = wgettext("Proceed");
1968                         Environment->addButton(mydata.rect, this, 257, text);
1969                         delete[] text;
1970                 }
1971
1972         }
1973
1974         //set initial focus if parser didn't set it
1975         focused_element = Environment->getFocus();
1976         if (!focused_element
1977                         || !isMyChild(focused_element)
1978                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
1979                 setInitialFocus();
1980 }
1981
1982 #ifdef __ANDROID__
1983 bool GUIFormSpecMenu::getAndroidUIInput()
1984 {
1985         /* no dialog shown */
1986         if (m_JavaDialogFieldName == L"") {
1987                 return false;
1988         }
1989
1990         /* still waiting */
1991         if (porting::getInputDialogState() == -1) {
1992                 return true;
1993         }
1994
1995         std::wstring fieldname = m_JavaDialogFieldName;
1996         m_JavaDialogFieldName = L"";
1997
1998         /* no value abort dialog processing */
1999         if (porting::getInputDialogState() != 0) {
2000                 return false;
2001         }
2002
2003         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2004                         iter != m_fields.end(); iter++) {
2005
2006                 if (iter->fname != fieldname) {
2007                         continue;
2008                 }
2009                 IGUIElement* tochange = getElementFromId(iter->fid);
2010
2011                 if (tochange == 0) {
2012                         return false;
2013                 }
2014
2015                 if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
2016                         return false;
2017                 }
2018
2019                 std::string text = porting::getInputDialogValue();
2020
2021                 ((gui::IGUIEditBox*) tochange)->
2022                         setText(narrow_to_wide(text).c_str());
2023         }
2024         return false;
2025 }
2026 #endif
2027
2028 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
2029 {
2030         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2031
2032         for(u32 i=0; i<m_inventorylists.size(); i++)
2033         {
2034                 const ListDrawSpec &s = m_inventorylists[i];
2035
2036                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
2037                         s32 item_i = i + s.start_item_i;
2038                         s32 x = (i%s.geom.X) * spacing.X;
2039                         s32 y = (i/s.geom.X) * spacing.Y;
2040                         v2s32 p0(x,y);
2041                         core::rect<s32> rect = imgrect + s.pos + p0;
2042                         if(rect.isPointInside(p))
2043                         {
2044                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
2045                         }
2046                 }
2047         }
2048
2049         return ItemSpec(InventoryLocation(), "", -1);
2050 }
2051
2052 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
2053 {
2054         video::IVideoDriver* driver = Environment->getVideoDriver();
2055
2056         // Get font
2057         gui::IGUIFont *font = NULL;
2058         gui::IGUISkin* skin = Environment->getSkin();
2059         if (skin)
2060                 font = skin->getFont();
2061
2062         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2063         if(!inv){
2064                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2065                                 <<"The inventory location "
2066                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2067                                 <<std::endl;
2068                 return;
2069         }
2070         InventoryList *ilist = inv->getList(s.listname);
2071         if(!ilist){
2072                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2073                                 <<"The inventory list \""<<s.listname<<"\" @ \""
2074                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
2075                                 <<std::endl;
2076                 return;
2077         }
2078
2079         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2080
2081         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
2082         {
2083                 s32 item_i = i + s.start_item_i;
2084                 if(item_i >= (s32) ilist->getSize())
2085                         break;
2086                 s32 x = (i%s.geom.X) * spacing.X;
2087                 s32 y = (i/s.geom.X) * spacing.Y;
2088                 v2s32 p(x,y);
2089                 core::rect<s32> rect = imgrect + s.pos + p;
2090                 ItemStack item;
2091                 if(ilist)
2092                         item = ilist->getItem(item_i);
2093
2094                 bool selected = m_selected_item
2095                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
2096                         && m_selected_item->listname == s.listname
2097                         && m_selected_item->i == item_i;
2098                 bool hovering = rect.isPointInside(m_pointer);
2099
2100                 if(phase == 0)
2101                 {
2102                         if(hovering)
2103                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
2104                         else
2105                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
2106                 }
2107
2108                 //Draw inv slot borders
2109                 if (m_slotborder) {
2110                         s32 x1 = rect.UpperLeftCorner.X;
2111                         s32 y1 = rect.UpperLeftCorner.Y;
2112                         s32 x2 = rect.LowerRightCorner.X;
2113                         s32 y2 = rect.LowerRightCorner.Y;
2114                         s32 border = 1;
2115                         driver->draw2DRectangle(m_slotbordercolor,
2116                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
2117                                                                 v2s32(x2 + border, y1)), NULL);
2118                         driver->draw2DRectangle(m_slotbordercolor,
2119                                 core::rect<s32>(v2s32(x1 - border, y2),
2120                                                                 v2s32(x2 + border, y2 + border)), NULL);
2121                         driver->draw2DRectangle(m_slotbordercolor,
2122                                 core::rect<s32>(v2s32(x1 - border, y1),
2123                                                                 v2s32(x1, y2)), NULL);
2124                         driver->draw2DRectangle(m_slotbordercolor,
2125                                 core::rect<s32>(v2s32(x2, y1),
2126                                                                 v2s32(x2 + border, y2)), NULL);
2127                 }
2128
2129                 if(phase == 1)
2130                 {
2131                         // Draw item stack
2132                         if(selected)
2133                         {
2134                                 item.takeItem(m_selected_amount);
2135                         }
2136                         if(!item.empty())
2137                         {
2138                                 drawItemStack(driver, font, item,
2139                                                 rect, &AbsoluteClippingRect, m_gamedef);
2140                         }
2141
2142                         // Draw tooltip
2143                         std::string tooltip_text = "";
2144                         if (hovering && !m_selected_item)
2145                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
2146                         if (tooltip_text != "") {
2147                                 std::vector<std::string> tt_rows = str_split(tooltip_text, '\n');
2148                                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
2149                                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
2150                                 m_tooltip_element->setVisible(true);
2151                                 this->bringToFront(m_tooltip_element);
2152                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
2153                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2154                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2155                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2156                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2157                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2158                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2159                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2160                         }
2161                 }
2162         }
2163 }
2164
2165 void GUIFormSpecMenu::drawSelectedItem()
2166 {
2167         if(!m_selected_item)
2168                 return;
2169
2170         video::IVideoDriver* driver = Environment->getVideoDriver();
2171
2172         // Get font
2173         gui::IGUIFont *font = NULL;
2174         gui::IGUISkin* skin = Environment->getSkin();
2175         if (skin)
2176                 font = skin->getFont();
2177
2178         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2179         assert(inv);
2180         InventoryList *list = inv->getList(m_selected_item->listname);
2181         assert(list);
2182         ItemStack stack = list->getItem(m_selected_item->i);
2183         stack.count = m_selected_amount;
2184
2185         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2186         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
2187         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
2188 }
2189
2190 void GUIFormSpecMenu::drawMenu()
2191 {
2192         if(m_form_src){
2193                 std::string newform = m_form_src->getForm();
2194                 if(newform != m_formspec_string){
2195                         m_formspec_string = newform;
2196                         regenerateGui(m_screensize_old);
2197                 }
2198         }
2199
2200         updateSelectedItem();
2201
2202         gui::IGUISkin* skin = Environment->getSkin();
2203         if (!skin)
2204                 return;
2205         video::IVideoDriver* driver = Environment->getVideoDriver();
2206
2207         v2u32 screenSize = driver->getScreenSize();
2208         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
2209         if (m_bgfullscreen)
2210                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
2211         else
2212                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
2213
2214         m_tooltip_element->setVisible(false);
2215
2216         /*
2217                 Draw backgrounds
2218         */
2219         for(u32 i=0; i<m_backgrounds.size(); i++)
2220         {
2221                 const ImageDrawSpec &spec = m_backgrounds[i];
2222                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2223
2224                 if (texture != 0) {
2225                         // Image size on screen
2226                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2227                         // Image rectangle on screen
2228                         core::rect<s32> rect = imgrect + spec.pos;
2229
2230                         if (m_clipbackground) {
2231                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
2232                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
2233                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
2234                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X,
2235                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y);
2236                         }
2237
2238                         const video::SColor color(255,255,255,255);
2239                         const video::SColor colors[] = {color,color,color,color};
2240                         driver->draw2DImage(texture, rect,
2241                                 core::rect<s32>(core::position2d<s32>(0,0),
2242                                                 core::dimension2di(texture->getOriginalSize())),
2243                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2244                 }
2245                 else {
2246                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
2247                         errorstream << "\t" << spec.name << std::endl;
2248                 }
2249         }
2250
2251         /*
2252                 Draw Boxes
2253         */
2254         for(u32 i=0; i<m_boxes.size(); i++)
2255         {
2256                 const BoxDrawSpec &spec = m_boxes[i];
2257
2258                 irr::video::SColor todraw = spec.color;
2259
2260                 todraw.setAlpha(140);
2261
2262                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
2263                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
2264
2265                 driver->draw2DRectangle(todraw, rect, 0);
2266         }
2267         /*
2268                 Draw images
2269         */
2270         for(u32 i=0; i<m_images.size(); i++)
2271         {
2272                 const ImageDrawSpec &spec = m_images[i];
2273                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2274
2275                 if (texture != 0) {
2276                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
2277                         // Image size on screen
2278                         core::rect<s32> imgrect;
2279
2280                         if (spec.scale)
2281                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
2282                         else {
2283
2284                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
2285                         }
2286                         // Image rectangle on screen
2287                         core::rect<s32> rect = imgrect + spec.pos;
2288                         const video::SColor color(255,255,255,255);
2289                         const video::SColor colors[] = {color,color,color,color};
2290                         driver->draw2DImage(texture, rect,
2291                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
2292                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2293                 }
2294                 else {
2295                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
2296                         errorstream << "\t" << spec.name << std::endl;
2297                 }
2298         }
2299
2300         /*
2301                 Draw item images
2302         */
2303         for(u32 i=0; i<m_itemimages.size(); i++)
2304         {
2305                 if (m_gamedef == 0)
2306                         break;
2307
2308                 const ImageDrawSpec &spec = m_itemimages[i];
2309                 IItemDefManager *idef = m_gamedef->idef();
2310                 ItemStack item;
2311                 item.deSerialize(spec.name, idef);
2312                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
2313                 // Image size on screen
2314                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2315                 // Image rectangle on screen
2316                 core::rect<s32> rect = imgrect + spec.pos;
2317                 const video::SColor color(255,255,255,255);
2318                 const video::SColor colors[] = {color,color,color,color};
2319                 driver->draw2DImage(texture, rect,
2320                         core::rect<s32>(core::position2d<s32>(0,0),
2321                                         core::dimension2di(texture->getOriginalSize())),
2322                         NULL/*&AbsoluteClippingRect*/, colors, true);
2323         }
2324
2325         /*
2326                 Draw items
2327                 Phase 0: Item slot rectangles
2328                 Phase 1: Item images; prepare tooltip
2329         */
2330         int start_phase=0;
2331         for(int phase=start_phase; phase<=1; phase++)
2332         for(u32 i=0; i<m_inventorylists.size(); i++)
2333         {
2334                 drawList(m_inventorylists[i], phase);
2335         }
2336
2337         /*
2338                 Call base class
2339         */
2340         gui::IGUIElement::draw();
2341
2342 /* TODO find way to show tooltips on touchscreen */
2343 #ifndef HAVE_TOUCHSCREENGUI
2344         m_pointer = m_device->getCursorControl()->getPosition();
2345 #endif
2346
2347         /*
2348                 Draw fields/buttons tooltips
2349         */
2350         gui::IGUIElement *hovered =
2351                         Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
2352
2353         if (hovered != NULL) {
2354                 s32 id = hovered->getID();
2355                 u32 delta;
2356                 if (id == -1) {
2357                         m_old_tooltip_id = id;
2358                         m_old_tooltip = "";
2359                         delta = 0;
2360                 } else if (id != m_old_tooltip_id) {
2361                         m_hoovered_time = getTimeMs();
2362                         m_old_tooltip_id = id;
2363                         delta = 0;
2364                 } else if (id == m_old_tooltip_id) {
2365                         delta = porting::getDeltaMs(m_hoovered_time, getTimeMs());
2366                 }
2367                 if (id != -1 && delta >= m_tooltip_show_delay) {
2368                         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2369                                         iter != m_fields.end(); iter++) {
2370                                 if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
2371                                         if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
2372                                                 m_old_tooltip = m_tooltips[iter->fname].tooltip;
2373                                                 m_tooltip_element->setText(narrow_to_wide(m_tooltips[iter->fname].tooltip).c_str());
2374                                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2375                                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2376                                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2377                                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2378                                                         tooltip_x = (s32)screenSize.X - tooltip_width - m_btn_height;
2379                                                 std::vector<std::string> tt_rows = str_split(m_tooltips[iter->fname].tooltip, '\n');
2380                                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2381                                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2382                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2383                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2384                                         }
2385                                         m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
2386                                         m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
2387                                         m_tooltip_element->setVisible(true);
2388                                         this->bringToFront(m_tooltip_element);
2389                                         break;
2390                                 }
2391                         }
2392                 }
2393         }
2394
2395         /*
2396                 Draw dragged item stack
2397         */
2398         drawSelectedItem();
2399 }
2400
2401 void GUIFormSpecMenu::updateSelectedItem()
2402 {
2403         // If the selected stack has become empty for some reason, deselect it.
2404         // If the selected stack has become inaccessible, deselect it.
2405         // If the selected stack has become smaller, adjust m_selected_amount.
2406         ItemStack selected = verifySelectedItem();
2407
2408         // WARNING: BLACK MAGIC
2409         // See if there is a stack suited for our current guess.
2410         // If such stack does not exist, clear the guess.
2411         if(m_selected_content_guess.name != "" &&
2412                         selected.name == m_selected_content_guess.name &&
2413                         selected.count == m_selected_content_guess.count){
2414                 // Selected item fits the guess. Skip the black magic.
2415         }
2416         else if(m_selected_content_guess.name != ""){
2417                 bool found = false;
2418                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2419                         const ListDrawSpec &s = m_inventorylists[i];
2420                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2421                         if(!inv)
2422                                 continue;
2423                         InventoryList *list = inv->getList(s.listname);
2424                         if(!list)
2425                                 continue;
2426                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2427                                 u32 item_i = i + s.start_item_i;
2428                                 if(item_i >= list->getSize())
2429                                         continue;
2430                                 ItemStack stack = list->getItem(item_i);
2431                                 if(stack.name == m_selected_content_guess.name &&
2432                                                 stack.count == m_selected_content_guess.count){
2433                                         found = true;
2434                                         infostream<<"Client: Changing selected content guess to "
2435                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2436                                                         <<" "<<item_i<<std::endl;
2437                                         delete m_selected_item;
2438                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2439                                         m_selected_amount = stack.count;
2440                                 }
2441                         }
2442                 }
2443                 if(!found){
2444                         infostream<<"Client: Discarding selected content guess: "
2445                                         <<m_selected_content_guess.getItemString()<<std::endl;
2446                         m_selected_content_guess.name = "";
2447                 }
2448         }
2449
2450         // If craftresult is nonempty and nothing else is selected, select it now.
2451         if(!m_selected_item)
2452         {
2453                 for(u32 i=0; i<m_inventorylists.size(); i++)
2454                 {
2455                         const ListDrawSpec &s = m_inventorylists[i];
2456                         if(s.listname == "craftpreview")
2457                         {
2458                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2459                                 InventoryList *list = inv->getList("craftresult");
2460                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2461                                 {
2462                                         m_selected_item = new ItemSpec;
2463                                         m_selected_item->inventoryloc = s.inventoryloc;
2464                                         m_selected_item->listname = "craftresult";
2465                                         m_selected_item->i = 0;
2466                                         m_selected_amount = 0;
2467                                         m_selected_dragging = false;
2468                                         break;
2469                                 }
2470                         }
2471                 }
2472         }
2473
2474         // If craftresult is selected, keep the whole stack selected
2475         if(m_selected_item && m_selected_item->listname == "craftresult")
2476         {
2477                 m_selected_amount = verifySelectedItem().count;
2478         }
2479 }
2480
2481 ItemStack GUIFormSpecMenu::verifySelectedItem()
2482 {
2483         // If the selected stack has become empty for some reason, deselect it.
2484         // If the selected stack has become inaccessible, deselect it.
2485         // If the selected stack has become smaller, adjust m_selected_amount.
2486         // Return the selected stack.
2487
2488         if(m_selected_item)
2489         {
2490                 if(m_selected_item->isValid())
2491                 {
2492                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2493                         if(inv)
2494                         {
2495                                 InventoryList *list = inv->getList(m_selected_item->listname);
2496                                 if(list && (u32) m_selected_item->i < list->getSize())
2497                                 {
2498                                         ItemStack stack = list->getItem(m_selected_item->i);
2499                                         if(m_selected_amount > stack.count)
2500                                                 m_selected_amount = stack.count;
2501                                         if(!stack.empty())
2502                                                 return stack;
2503                                 }
2504                         }
2505                 }
2506
2507                 // selection was not valid
2508                 delete m_selected_item;
2509                 m_selected_item = NULL;
2510                 m_selected_amount = 0;
2511                 m_selected_dragging = false;
2512         }
2513         return ItemStack();
2514 }
2515
2516 void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
2517 {
2518         if(m_text_dst)
2519         {
2520                 std::map<std::string, std::string> fields;
2521
2522                 if (quitmode == quit_mode_accept) {
2523                         fields["quit"] = "true";
2524                 }
2525
2526                 if (quitmode == quit_mode_cancel) {
2527                         fields["quit"] = "true";
2528                         m_text_dst->gotText(fields);
2529                         return;
2530                 }
2531
2532                 if (current_keys_pending.key_down) {
2533                         fields["key_down"] = "true";
2534                         current_keys_pending.key_down = false;
2535                 }
2536
2537                 if (current_keys_pending.key_up) {
2538                         fields["key_up"] = "true";
2539                         current_keys_pending.key_up = false;
2540                 }
2541
2542                 if (current_keys_pending.key_enter) {
2543                         fields["key_enter"] = "true";
2544                         current_keys_pending.key_enter = false;
2545                 }
2546
2547                 if (current_keys_pending.key_escape) {
2548                         fields["key_escape"] = "true";
2549                         current_keys_pending.key_escape = false;
2550                 }
2551
2552                 for(unsigned int i=0; i<m_fields.size(); i++) {
2553                         const FieldSpec &s = m_fields[i];
2554                         if(s.send) {
2555                                 std::string name  = wide_to_narrow(s.fname);
2556                                 if(s.ftype == f_Button) {
2557                                         fields[name] = wide_to_narrow(s.flabel);
2558                                 }
2559                                 else if(s.ftype == f_Table) {
2560                                         GUITable *table = getTable(s.fname);
2561                                         if (table) {
2562                                                 fields[name] = table->checkEvent();
2563                                         }
2564                                 }
2565                                 else if(s.ftype == f_DropDown) {
2566                                         // no dynamic cast possible due to some distributions shipped
2567                                         // without rtti support in irrlicht
2568                                         IGUIElement * element = getElementFromId(s.fid);
2569                                         gui::IGUIComboBox *e = NULL;
2570                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2571                                                 e = static_cast<gui::IGUIComboBox*>(element);
2572                                         }
2573                                         s32 selected = e->getSelected();
2574                                         if (selected >= 0) {
2575                                                 fields[name] =
2576                                                         wide_to_narrow(e->getItem(selected));
2577                                         }
2578                                 }
2579                                 else if (s.ftype == f_TabHeader) {
2580                                         // no dynamic cast possible due to some distributions shipped
2581                                         // without rtti support in irrlicht
2582                                         IGUIElement * element = getElementFromId(s.fid);
2583                                         gui::IGUITabControl *e = NULL;
2584                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2585                                                 e = static_cast<gui::IGUITabControl*>(element);
2586                                         }
2587
2588                                         if (e != 0) {
2589                                                 std::stringstream ss;
2590                                                 ss << (e->getActiveTab() +1);
2591                                                 fields[name] = ss.str();
2592                                         }
2593                                 }
2594                                 else if (s.ftype == f_CheckBox) {
2595                                         // no dynamic cast possible due to some distributions shipped
2596                                         // without rtti support in irrlicht
2597                                         IGUIElement * element = getElementFromId(s.fid);
2598                                         gui::IGUICheckBox *e = NULL;
2599                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2600                                                 e = static_cast<gui::IGUICheckBox*>(element);
2601                                         }
2602
2603                                         if (e != 0) {
2604                                                 if (e->isChecked())
2605                                                         fields[name] = "true";
2606                                                 else
2607                                                         fields[name] = "false";
2608                                         }
2609                                 }
2610                                 else if (s.ftype == f_ScrollBar) {
2611                                         // no dynamic cast possible due to some distributions shipped
2612                                         // without rtti support in irrlicht
2613                                         IGUIElement * element = getElementFromId(s.fid);
2614                                         gui::IGUIScrollBar *e = NULL;
2615                                         if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
2616                                                 e = static_cast<gui::IGUIScrollBar*>(element);
2617                                         }
2618
2619                                         if (e != 0) {
2620                                                 std::stringstream os;
2621                                                 os << e->getPos();
2622                                                 if (s.fdefault == L"Changed")
2623                                                         fields[name] = "CHG:" + os.str();
2624                                                 else
2625                                                         fields[name] = "VAL:" + os.str();
2626                                         }
2627                                 }
2628                                 else
2629                                 {
2630                                         IGUIElement* e = getElementFromId(s.fid);
2631                                         if(e != NULL) {
2632                                                 fields[name] = wide_to_narrow(e->getText());
2633                                         }
2634                                 }
2635                         }
2636                 }
2637
2638                 m_text_dst->gotText(fields);
2639         }
2640 }
2641
2642 static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
2643 {
2644         while(tocheck != NULL) {
2645                 if (tocheck == parent) {
2646                         return true;
2647                 }
2648                 tocheck = tocheck->getParent();
2649         }
2650         return false;
2651 }
2652
2653 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2654 {
2655         // Fix Esc/Return key being eaten by checkboxen and tables
2656         if(event.EventType==EET_KEY_INPUT_EVENT) {
2657                 KeyPress kp(event.KeyInput);
2658                 if (kp == EscapeKey || kp == CancelKey
2659                                 || kp == getKeySetting("keymap_inventory")
2660                                 || event.KeyInput.Key==KEY_RETURN) {
2661                         gui::IGUIElement *focused = Environment->getFocus();
2662                         if (focused && isMyChild(focused) &&
2663                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2664                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2665                                 OnEvent(event);
2666                                 return true;
2667                         }
2668                 }
2669         }
2670         // Mouse wheel events: send to hovered element instead of focused
2671         if(event.EventType==EET_MOUSE_INPUT_EVENT
2672                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
2673                 s32 x = event.MouseInput.X;
2674                 s32 y = event.MouseInput.Y;
2675                 gui::IGUIElement *hovered =
2676                         Environment->getRootGUIElement()->getElementFromPoint(
2677                                 core::position2d<s32>(x, y));
2678                 if (hovered && isMyChild(hovered)) {
2679                         hovered->OnEvent(event);
2680                         return true;
2681                 }
2682         }
2683
2684         if (event.EventType == EET_MOUSE_INPUT_EVENT) {
2685                 s32 x = event.MouseInput.X;
2686                 s32 y = event.MouseInput.Y;
2687                 gui::IGUIElement *hovered =
2688                         Environment->getRootGUIElement()->getElementFromPoint(
2689                                 core::position2d<s32>(x, y));
2690                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2691                         m_old_tooltip_id = -1;
2692                         m_old_tooltip = "";
2693                 }
2694                 if (!isChild(hovered,this)) {
2695                         if (DoubleClickDetection(event)) {
2696                                 return true;
2697                         }
2698                 }
2699         }
2700
2701         #ifdef __ANDROID__
2702         // display software keyboard when clicking edit boxes
2703         if (event.EventType == EET_MOUSE_INPUT_EVENT
2704                         && event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2705                 gui::IGUIElement *hovered =
2706                         Environment->getRootGUIElement()->getElementFromPoint(
2707                                 core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
2708                 if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
2709                         bool retval = hovered->OnEvent(event);
2710                         if (retval) {
2711                                 Environment->setFocus(hovered);
2712                         }
2713                         m_JavaDialogFieldName = getNameByID(hovered->getID());
2714                         std::string message   = gettext("Enter ");
2715                         std::string label     = wide_to_narrow(getLabelByID(hovered->getID()));
2716                         if (label == "") {
2717                                 label = "text";
2718                         }
2719                         message += gettext(label) + ":";
2720
2721                         /* single line text input */
2722                         int type = 2;
2723
2724                         /* multi line text input */
2725                         if (((gui::IGUIEditBox*) hovered)->isMultiLineEnabled()) {
2726                                 type = 1;
2727                         }
2728
2729                         /* passwords are always single line */
2730                         if (((gui::IGUIEditBox*) hovered)->isPasswordBox()) {
2731                                 type = 3;
2732                         }
2733
2734                         porting::showInputDialog(gettext("ok"), "",
2735                                         wide_to_narrow(((gui::IGUIEditBox*) hovered)->getText()),
2736                                         type);
2737                         return retval;
2738                 }
2739         }
2740
2741         if (event.EventType == EET_TOUCH_INPUT_EVENT)
2742         {
2743                 SEvent translated;
2744                 memset(&translated, 0, sizeof(SEvent));
2745                 translated.EventType   = EET_MOUSE_INPUT_EVENT;
2746                 gui::IGUIElement* root = Environment->getRootGUIElement();
2747
2748                 if (!root) {
2749                         errorstream
2750                         << "GUIFormSpecMenu::preprocessEvent unable to get root element"
2751                         << std::endl;
2752                         return false;
2753                 }
2754                 gui::IGUIElement* hovered = root->getElementFromPoint(
2755                         core::position2d<s32>(
2756                                         event.TouchInput.X,
2757                                         event.TouchInput.Y));
2758
2759                 translated.MouseInput.X = event.TouchInput.X;
2760                 translated.MouseInput.Y = event.TouchInput.Y;
2761                 translated.MouseInput.Control = false;
2762
2763                 bool dont_send_event = false;
2764
2765                 if (event.TouchInput.touchedCount == 1) {
2766                         switch (event.TouchInput.Event) {
2767                                 case ETIE_PRESSED_DOWN:
2768                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2769                                         translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
2770                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2771                                         m_down_pos = m_pointer;
2772                                         break;
2773                                 case ETIE_MOVED:
2774                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2775                                         translated.MouseInput.Event = EMIE_MOUSE_MOVED;
2776                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2777                                         break;
2778                                 case ETIE_LEFT_UP:
2779                                         translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
2780                                         translated.MouseInput.ButtonStates = 0;
2781                                         hovered = root->getElementFromPoint(m_down_pos);
2782                                         /* we don't have a valid pointer element use last
2783                                          * known pointer pos */
2784                                         translated.MouseInput.X = m_pointer.X;
2785                                         translated.MouseInput.Y = m_pointer.Y;
2786
2787                                         /* reset down pos */
2788                                         m_down_pos = v2s32(0,0);
2789                                         break;
2790                                 default:
2791                                         dont_send_event = true;
2792                                         //this is not supposed to happen
2793                                         errorstream
2794                                         << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
2795                                         << event.TouchInput.Event << std::endl;
2796                         }
2797                 } else if ( (event.TouchInput.touchedCount == 2) &&
2798                                 (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
2799                         hovered = root->getElementFromPoint(m_down_pos);
2800
2801                         translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
2802                         translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
2803                         translated.MouseInput.X = m_pointer.X;
2804                         translated.MouseInput.Y = m_pointer.Y;
2805
2806                         if (hovered) {
2807                                 hovered->OnEvent(translated);
2808                         }
2809
2810                         translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
2811                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2812
2813
2814                         if (hovered) {
2815                                 hovered->OnEvent(translated);
2816                         }
2817                         dont_send_event = true;
2818                 }
2819                 /* ignore unhandled 2 touch events ... accidental moving for example */
2820                 else if (event.TouchInput.touchedCount == 2) {
2821                         dont_send_event = true;
2822                 }
2823                 else if (event.TouchInput.touchedCount > 2) {
2824                         errorstream
2825                         << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
2826                         << event.TouchInput.touchedCount << " ignoring them" << std::endl;
2827                 }
2828
2829                 if (dont_send_event) {
2830                         return true;
2831                 }
2832
2833                 /* check if translated event needs to be preprocessed again */
2834                 if (preprocessEvent(translated)) {
2835                         return true;
2836                 }
2837                 if (hovered) {
2838                         grab();
2839                         bool retval = hovered->OnEvent(translated);
2840
2841                         if (event.TouchInput.Event == ETIE_LEFT_UP) {
2842                                 /* reset pointer */
2843                                 m_pointer = v2s32(0,0);
2844                         }
2845                         drop();
2846                         return retval;
2847                 }
2848         }
2849         #endif
2850
2851         return false;
2852 }
2853
2854 /******************************************************************************/
2855 bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
2856 {
2857         if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2858                 m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
2859                 m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
2860
2861                 m_doubleclickdetect[1].pos  = m_pointer;
2862                 m_doubleclickdetect[1].time = getTimeMs();
2863         }
2864         else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
2865                 u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
2866                 if (delta > 400) {
2867                         return false;
2868                 }
2869
2870                 double squaredistance =
2871                                 m_doubleclickdetect[0].pos
2872                                 .getDistanceFromSQ(m_doubleclickdetect[1].pos);
2873
2874                 if (squaredistance > (30*30)) {
2875                         return false;
2876                 }
2877
2878                 SEvent* translated = new SEvent();
2879                 assert(translated != 0);
2880                 //translate doubleclick to escape
2881                 memset(translated, 0, sizeof(SEvent));
2882                 translated->EventType = irr::EET_KEY_INPUT_EVENT;
2883                 translated->KeyInput.Key         = KEY_ESCAPE;
2884                 translated->KeyInput.Control     = false;
2885                 translated->KeyInput.Shift       = false;
2886                 translated->KeyInput.PressedDown = true;
2887                 translated->KeyInput.Char        = 0;
2888                 OnEvent(*translated);
2889
2890                 // no need to send the key up event as we're already deleted
2891                 // and no one else did notice this event
2892                 delete translated;
2893                 return true;
2894         }
2895         return false;
2896 }
2897
2898 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
2899 {
2900         if(event.EventType==EET_KEY_INPUT_EVENT) {
2901                 KeyPress kp(event.KeyInput);
2902                 if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
2903                         (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
2904                         if (m_allowclose) {
2905                                 doPause = false;
2906                                 acceptInput(quit_mode_cancel);
2907                                 quitMenu();
2908                         } else {
2909                                 m_text_dst->gotText(narrow_to_wide("MenuQuit"));
2910                         }
2911                         return true;
2912                 } else if (m_client != NULL && event.KeyInput.PressedDown &&
2913                         (kp == getKeySetting("keymap_screenshot"))) {
2914                                 m_client->makeScreenshot(m_device);
2915                 }
2916                 if (event.KeyInput.PressedDown &&
2917                         (event.KeyInput.Key==KEY_RETURN ||
2918                          event.KeyInput.Key==KEY_UP ||
2919                          event.KeyInput.Key==KEY_DOWN)
2920                         ) {
2921                         switch (event.KeyInput.Key) {
2922                                 case KEY_RETURN:
2923                                         current_keys_pending.key_enter = true;
2924                                         break;
2925                                 case KEY_UP:
2926                                         current_keys_pending.key_up = true;
2927                                         break;
2928                                 case KEY_DOWN:
2929                                         current_keys_pending.key_down = true;
2930                                         break;
2931                                 break;
2932                                 default:
2933                                         //can't happen at all!
2934                                         assert("reached a source line that can't ever been reached" == 0);
2935                                         break;
2936                         }
2937                         if (current_keys_pending.key_enter && m_allowclose) {
2938                                 acceptInput(quit_mode_accept);
2939                                 quitMenu();
2940                         } else {
2941                                 acceptInput();
2942                         }
2943                         return true;
2944                 }
2945
2946         }
2947
2948         if((event.EventType==EET_MOUSE_INPUT_EVENT &&
2949                         event.MouseInput.Event != EMIE_MOUSE_MOVED) ||
2950                         (event.MouseInput.Event == EMIE_MOUSE_MOVED &&
2951                         event.MouseInput.isRightPressed() && getItemAtPos(m_pointer).i != getItemAtPos(m_old_pointer).i)){
2952                 // Mouse event other than movement or crossing the border of inventory field while holding rmb
2953
2954                 // Get selected item and hovered/clicked item (s)
2955
2956                 m_old_tooltip_id = -1;
2957                 updateSelectedItem();
2958                 ItemSpec s = getItemAtPos(m_pointer);
2959
2960                 Inventory *inv_selected = NULL;
2961                 Inventory *inv_s = NULL;
2962
2963                 if(m_selected_item) {
2964                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
2965                         assert(inv_selected);
2966                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
2967                 }
2968
2969                 u32 s_count = 0;
2970
2971                 if(s.isValid())
2972                 do { // breakable
2973                         inv_s = m_invmgr->getInventory(s.inventoryloc);
2974
2975                         if(!inv_s) {
2976                                 errorstream<<"InventoryMenu: The selected inventory location "
2977                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2978                                                 <<std::endl;
2979                                 s.i = -1;  // make it invalid again
2980                                 break;
2981                         }
2982
2983                         InventoryList *list = inv_s->getList(s.listname);
2984                         if(list == NULL) {
2985                                 verbosestream<<"InventoryMenu: The selected inventory list \""
2986                                                 <<s.listname<<"\" does not exist"<<std::endl;
2987                                 s.i = -1;  // make it invalid again
2988                                 break;
2989                         }
2990
2991                         if((u32)s.i >= list->getSize()) {
2992                                 infostream<<"InventoryMenu: The selected inventory list \""
2993                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
2994                                                 <<list->getSize()<<")"<<std::endl;
2995                                 s.i = -1;  // make it invalid again
2996                                 break;
2997                         }
2998
2999                         s_count = list->getItem(s.i).count;
3000                 } while(0);
3001
3002                 bool identical = (m_selected_item != NULL) && s.isValid() &&
3003                         (inv_selected == inv_s) &&
3004                         (m_selected_item->listname == s.listname) &&
3005                         (m_selected_item->i == s.i);
3006
3007                 // buttons: 0 = left, 1 = right, 2 = middle
3008                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
3009                 int button = 0;
3010                 int updown = 2;
3011                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
3012                         { button = 0; updown = 0; }
3013                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
3014                         { button = 1; updown = 0; }
3015                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
3016                         { button = 2; updown = 0; }
3017                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
3018                         { button = 0; updown = 1; }
3019                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
3020                         { button = 1; updown = 1; }
3021                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
3022                         { button = 2; updown = 1; }
3023                 else if(event.MouseInput.Event == EMIE_MOUSE_MOVED)
3024                         { updown = -1;}
3025
3026                 // Set this number to a positive value to generate a move action
3027                 // from m_selected_item to s.
3028                 u32 move_amount = 0;
3029
3030                 // Set this number to a positive value to generate a drop action
3031                 // from m_selected_item.
3032                 u32 drop_amount = 0;
3033
3034                 // Set this number to a positive value to generate a craft action at s.
3035                 u32 craft_amount = 0;
3036
3037                 if(updown == 0) {
3038                         // Some mouse button has been pressed
3039
3040                         //infostream<<"Mouse button "<<button<<" pressed at p=("
3041                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3042
3043                         m_selected_dragging = false;
3044
3045                         if(s.isValid() && s.listname == "craftpreview") {
3046                                 // Craft preview has been clicked: craft
3047                                 craft_amount = (button == 2 ? 10 : 1);
3048                         }
3049                         else if(m_selected_item == NULL) {
3050                                 if(s_count != 0) {
3051                                         // Non-empty stack has been clicked: select it
3052                                         m_selected_item = new ItemSpec(s);
3053
3054                                         if(button == 1)  // right
3055                                                 m_selected_amount = (s_count + 1) / 2;
3056                                         else if(button == 2)  // middle
3057                                                 m_selected_amount = MYMIN(s_count, 10);
3058                                         else  // left
3059                                                 m_selected_amount = s_count;
3060
3061                                         m_selected_dragging = true;
3062                                 }
3063                         }
3064                         else { // m_selected_item != NULL
3065                                 assert(m_selected_amount >= 1);
3066
3067                                 if(s.isValid()) {
3068                                         // Clicked a slot: move
3069                                         if(button == 1)  // right
3070                                                 move_amount = 1;
3071                                         else if(button == 2)  // middle
3072                                                 move_amount = MYMIN(m_selected_amount, 10);
3073                                         else  // left
3074                                                 move_amount = m_selected_amount;
3075
3076                                         if(identical) {
3077                                                 if(move_amount >= m_selected_amount)
3078                                                         m_selected_amount = 0;
3079                                                 else
3080                                                         m_selected_amount -= move_amount;
3081                                                 move_amount = 0;
3082                                         }
3083                                 }
3084                                 else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
3085                                         // Clicked outside of the window: drop
3086                                         if(button == 1)  // right
3087                                                 drop_amount = 1;
3088                                         else if(button == 2)  // middle
3089                                                 drop_amount = MYMIN(m_selected_amount, 10);
3090                                         else  // left
3091                                                 drop_amount = m_selected_amount;
3092                                 }
3093                         }
3094                 }
3095                 else if(updown == 1) {
3096                         // Some mouse button has been released
3097
3098                         //infostream<<"Mouse button "<<button<<" released at p=("
3099                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3100
3101                         if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
3102                                 if(!identical) {
3103                                         // Dragged to different slot: move all selected
3104                                         move_amount = m_selected_amount;
3105                                 }
3106                         }
3107                         else if(m_selected_item != NULL && m_selected_dragging &&
3108                                 !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
3109                                 // Dragged outside of window: drop all selected
3110                                 drop_amount = m_selected_amount;
3111                         }
3112
3113                         m_selected_dragging = false;
3114                 }
3115                 else if(updown == -1) {
3116                         // Mouse has been moved and rmb is down and mouse pointer just
3117                         // entered a new inventory field (checked in the entry-if, this
3118                         // is the only action here that is generated by mouse movement)
3119                         if(m_selected_item != NULL && s.isValid()){
3120                                 // Move 1 item
3121                                 // TODO: middle mouse to move 10 items might be handy
3122                                 move_amount = 1;
3123                         }
3124                 }
3125
3126                 // Possibly send inventory action to server
3127                 if(move_amount > 0)
3128                 {
3129                         // Send IACTION_MOVE
3130
3131                         assert(m_selected_item && m_selected_item->isValid());
3132                         assert(s.isValid());
3133
3134                         assert(inv_selected && inv_s);
3135                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3136                         InventoryList *list_to = inv_s->getList(s.listname);
3137                         assert(list_from && list_to);
3138                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3139                         ItemStack stack_to = list_to->getItem(s.i);
3140
3141                         // Check how many items can be moved
3142                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
3143                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
3144                         // If source stack cannot be added to destination stack at all,
3145                         // they are swapped
3146                         if ((leftover.count == stack_from.count) &&
3147                                         (leftover.name == stack_from.name)) {
3148                                 m_selected_amount = stack_to.count;
3149                                 // In case the server doesn't directly swap them but instead
3150                                 // moves stack_to somewhere else, set this
3151                                 m_selected_content_guess = stack_to;
3152                                 m_selected_content_guess_inventory = s.inventoryloc;
3153                         }
3154                         // Source stack goes fully into destination stack
3155                         else if(leftover.empty()) {
3156                                 m_selected_amount -= move_amount;
3157                                 m_selected_content_guess = ItemStack(); // Clear
3158                         }
3159                         // Source stack goes partly into destination stack
3160                         else {
3161                                 move_amount -= leftover.count;
3162                                 m_selected_amount -= move_amount;
3163                                 m_selected_content_guess = ItemStack(); // Clear
3164                         }
3165
3166                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
3167                         IMoveAction *a = new IMoveAction();
3168                         a->count = move_amount;
3169                         a->from_inv = m_selected_item->inventoryloc;
3170                         a->from_list = m_selected_item->listname;
3171                         a->from_i = m_selected_item->i;
3172                         a->to_inv = s.inventoryloc;
3173                         a->to_list = s.listname;
3174                         a->to_i = s.i;
3175                         m_invmgr->inventoryAction(a);
3176                 }
3177                 else if(drop_amount > 0) {
3178                         m_selected_content_guess = ItemStack(); // Clear
3179
3180                         // Send IACTION_DROP
3181
3182                         assert(m_selected_item && m_selected_item->isValid());
3183                         assert(inv_selected);
3184                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3185                         assert(list_from);
3186                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3187
3188                         // Check how many items can be dropped
3189                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
3190                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
3191                         m_selected_amount -= drop_amount;
3192
3193                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
3194                         IDropAction *a = new IDropAction();
3195                         a->count = drop_amount;
3196                         a->from_inv = m_selected_item->inventoryloc;
3197                         a->from_list = m_selected_item->listname;
3198                         a->from_i = m_selected_item->i;
3199                         m_invmgr->inventoryAction(a);
3200                 }
3201                 else if(craft_amount > 0) {
3202                         m_selected_content_guess = ItemStack(); // Clear
3203
3204                         // Send IACTION_CRAFT
3205
3206                         assert(s.isValid());
3207                         assert(inv_s);
3208
3209                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
3210                         ICraftAction *a = new ICraftAction();
3211                         a->count = craft_amount;
3212                         a->craft_inv = s.inventoryloc;
3213                         m_invmgr->inventoryAction(a);
3214                 }
3215
3216                 // If m_selected_amount has been decreased to zero, deselect
3217                 if(m_selected_amount == 0) {
3218                         delete m_selected_item;
3219                         m_selected_item = NULL;
3220                         m_selected_amount = 0;
3221                         m_selected_dragging = false;
3222                         m_selected_content_guess = ItemStack();
3223                 }
3224                 m_old_pointer = m_pointer;
3225         }
3226         if(event.EventType==EET_GUI_EVENT) {
3227
3228                 if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
3229                                 && isVisible()) {
3230                         // find the element that was clicked
3231                         for(unsigned int i=0; i<m_fields.size(); i++) {
3232                                 FieldSpec &s = m_fields[i];
3233                                 if ((s.ftype == f_TabHeader) &&
3234                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3235                                         s.send = true;
3236                                         acceptInput();
3237                                         s.send = false;
3238                                         return true;
3239                                 }
3240                         }
3241                 }
3242                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
3243                                 && isVisible()) {
3244                         if(!canTakeFocus(event.GUIEvent.Element)) {
3245                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
3246                                                 <<std::endl;
3247                                 // Returning true disables focus change
3248                                 return true;
3249                         }
3250                 }
3251                 if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
3252                                 (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
3253                                 (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
3254                                 (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
3255                         unsigned int btn_id = event.GUIEvent.Caller->getID();
3256
3257                         if (btn_id == 257) {
3258                                 if (m_allowclose) {
3259                                         acceptInput(quit_mode_accept);
3260                                         quitMenu();
3261                                 } else {
3262                                         acceptInput();
3263                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3264                                 }
3265                                 // quitMenu deallocates menu
3266                                 return true;
3267                         }
3268
3269                         // find the element that was clicked
3270                         for(u32 i=0; i<m_fields.size(); i++) {
3271                                 FieldSpec &s = m_fields[i];
3272                                 // if its a button, set the send field so
3273                                 // lua knows which button was pressed
3274                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
3275                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3276                                         s.send = true;
3277                                         if(s.is_exit) {
3278                                                 if (m_allowclose) {
3279                                                         acceptInput(quit_mode_accept);
3280                                                         quitMenu();
3281                                                 } else {
3282                                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3283                                                 }
3284                                                 return true;
3285                                         } else {
3286                                                 acceptInput(quit_mode_no);
3287                                                 s.send = false;
3288                                                 return true;
3289                                         }
3290                                 }
3291                                 else if ((s.ftype == f_DropDown) &&
3292                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3293                                         // only send the changed dropdown
3294                                         for(u32 i=0; i<m_fields.size(); i++) {
3295                                                 FieldSpec &s2 = m_fields[i];
3296                                                 if (s2.ftype == f_DropDown) {
3297                                                         s2.send = false;
3298                                                 }
3299                                         }
3300                                         s.send = true;
3301                                         acceptInput(quit_mode_no);
3302
3303                                         // revert configuration to make sure dropdowns are sent on
3304                                         // regular button click
3305                                         for(u32 i=0; i<m_fields.size(); i++) {
3306                                                 FieldSpec &s2 = m_fields[i];
3307                                                 if (s2.ftype == f_DropDown) {
3308                                                         s2.send = true;
3309                                                 }
3310                                         }
3311                                         return true;
3312                                 }
3313                                 else if ((s.ftype == f_ScrollBar) &&
3314                                         (s.fid == event.GUIEvent.Caller->getID()))
3315                                 {
3316                                         s.fdefault = L"Changed";
3317                                         acceptInput(quit_mode_no);
3318                                         s.fdefault = L"";
3319                                 }
3320                         }
3321                 }
3322
3323                 if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
3324                         if(event.GUIEvent.Caller->getID() > 257) {
3325
3326                                 if (m_allowclose) {
3327                                         acceptInput(quit_mode_accept);
3328                                         quitMenu();
3329                                 } else {
3330                                         current_keys_pending.key_enter = true;
3331                                         acceptInput();
3332                                 }
3333                                 // quitMenu deallocates menu
3334                                 return true;
3335                         }
3336                 }
3337
3338                 if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
3339                         int current_id = event.GUIEvent.Caller->getID();
3340                         if(current_id > 257) {
3341                                 // find the element that was clicked
3342                                 for(u32 i=0; i<m_fields.size(); i++) {
3343                                         FieldSpec &s = m_fields[i];
3344                                         // if it's a table, set the send field
3345                                         // so lua knows which table was changed
3346                                         if ((s.ftype == f_Table) && (s.fid == current_id)) {
3347                                                 s.send = true;
3348                                                 acceptInput();
3349                                                 s.send=false;
3350                                         }
3351                                 }
3352                                 return true;
3353                         }
3354                 }
3355         }
3356
3357         return Parent ? Parent->OnEvent(event) : false;
3358 }
3359
3360 /**
3361  * get name of element by element id
3362  * @param id of element
3363  * @return name string or empty string
3364  */
3365 std::wstring GUIFormSpecMenu::getNameByID(s32 id)
3366 {
3367         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3368                                 iter != m_fields.end(); iter++) {
3369                 if (iter->fid == id) {
3370                         return iter->fname;
3371                 }
3372         }
3373         return L"";
3374 }
3375
3376 /**
3377  * get label of element by id
3378  * @param id of element
3379  * @return label string or empty string
3380  */
3381 std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
3382 {
3383         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3384                                 iter != m_fields.end(); iter++) {
3385                 if (iter->fid == id) {
3386                         return iter->flabel;
3387                 }
3388         }
3389         return L"";
3390 }
3391
3392 bool GUIFormSpecMenu::parseColor(const std::string &value, video::SColor &color,
3393                 bool quiet)
3394 {
3395         const char *hexpattern = NULL;
3396         if (value[0] == '#') {
3397                 if (value.size() == 9)
3398                         hexpattern = "#RRGGBBAA";
3399                 else if (value.size() == 7)
3400                         hexpattern = "#RRGGBB";
3401                 else if (value.size() == 5)
3402                         hexpattern = "#RGBA";
3403                 else if (value.size() == 4)
3404                         hexpattern = "#RGB";
3405         }
3406
3407         if (hexpattern) {
3408                 assert(strlen(hexpattern) == value.size());
3409                 video::SColor outcolor(255, 255, 255, 255);
3410                 for (size_t pos = 0; pos < value.size(); ++pos) {
3411                         // '#' in the pattern means skip that character
3412                         if (hexpattern[pos] == '#')
3413                                 continue;
3414
3415                         // Else assume hexpattern[pos] is one of 'R' 'G' 'B' 'A'
3416                         // Read one or two digits, depending on hexpattern
3417                         unsigned char c1, c2;
3418                         if (hexpattern[pos+1] == hexpattern[pos]) {
3419                                 // Two digits, e.g. hexpattern == "#RRGGBB"
3420                                 if (!hex_digit_decode(value[pos], c1) ||
3421                                     !hex_digit_decode(value[pos+1], c2))
3422                                         goto fail;
3423                                 ++pos;
3424                         }
3425                         else {
3426                                 // One digit, e.g. hexpattern == "#RGB"
3427                                 if (!hex_digit_decode(value[pos], c1))
3428                                         goto fail;
3429                                 c2 = c1;
3430                         }
3431                         u32 colorpart = ((c1 & 0x0f) << 4) | (c2 & 0x0f);
3432
3433                         // Update outcolor with newly read color part
3434                         if (hexpattern[pos] == 'R')
3435                                 outcolor.setRed(colorpart);
3436                         else if (hexpattern[pos] == 'G')
3437                                 outcolor.setGreen(colorpart);
3438                         else if (hexpattern[pos] == 'B')
3439                                 outcolor.setBlue(colorpart);
3440                         else if (hexpattern[pos] == 'A')
3441                                 outcolor.setAlpha(colorpart);
3442                 }
3443
3444                 color = outcolor;
3445                 return true;
3446         }
3447
3448         // Optionally, named colors could be implemented here
3449
3450 fail:
3451         if (!quiet)
3452                 errorstream<<"Invalid color: \""<<value<<"\""<<std::endl;
3453         return false;
3454 }