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