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 "constants.h"
  28 #include "gamedef.h"
  29 #include "keycode.h"
  30 #include "strfnd.h"
  31 #include <IGUICheckBox.h>
  32 #include <IGUIEditBox.h>
  33 #include <IGUIButton.h>
  34 #include <IGUIStaticText.h>
  35 #include <IGUIFont.h>
  36 #include <IGUIListBox.h>
  37 #include <IGUITabControl.h>
  38 #include <IGUIScrollBar.h>
  39 #include <IGUIComboBox.h>
  40 #include "log.h"
  41 #include "tile.h" // ITextureSource
  42 #include "hud.h" // drawItemStack
  43 #include "util/string.h"
  44 #include "util/numeric.h"
  45 #include "filesys.h"
  46 #include "gettime.h"
  47 #include "gettext.h"
  48
  49 #define MY_CHECKPOS(a,b)                                                                                                        \
  50         if (v_pos.size() != 2) {                                                                                                \
  51                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  52                         << parts[b] << "\"" << std::endl;                                                               \
  53                         return;                                                                                                                 \
  54         }
  55
  56 #define MY_CHECKGEOM(a,b)                                                                                                       \
  57         if (v_geom.size() != 2) {                                                                                               \
  58                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
  59                         << parts[b] << "\"" << std::endl;                                                               \
  60                         return;                                                                                                                 \
  61         }
  62
  63
  64 /*
  65         GUIFormSpecMenu
  66 */
  67
  68 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
  69                 gui::IGUIElement* parent, s32 id,
  70                 IMenuManager *menumgr,
  71                 InventoryManager *invmgr,
  72                 IGameDef *gamedef,
  73                 ISimpleTextureSource *tsrc
  74 ):
  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_form_src(NULL),
  81         m_text_dst(NULL),
  82         m_selected_item(NULL),
  83         m_selected_amount(0),
  84         m_selected_dragging(false),
  85         m_listbox_click_fname(),
  86         m_listbox_click_index(-1),
  87         m_listbox_click_time(0),
  88         m_listbox_doubleclick(false),
  89         m_tooltip_element(NULL),
  90         m_allowclose(true),
  91         m_lock(false)
  92 {
  93         current_keys_pending.key_down = false;
  94         current_keys_pending.key_up = false;
  95         current_keys_pending.key_enter = false;
  96         current_keys_pending.key_escape = false;
  97
  98 }
  99
 100 GUIFormSpecMenu::~GUIFormSpecMenu()
 101 {
 102         removeChildren();
 103
 104         delete m_selected_item;
 105         delete m_form_src;
 106         delete m_text_dst;
 107 }
 108
 109 void GUIFormSpecMenu::removeChildren()
 110 {
 111         const core::list<gui::IGUIElement*> &children = getChildren();
 112         core::list<gui::IGUIElement*> children_copy;
 113         for(core::list<gui::IGUIElement*>::ConstIterator
 114                         i = children.begin(); i != children.end(); i++)
 115         {
 116                 children_copy.push_back(*i);
 117         }
 118         for(core::list<gui::IGUIElement*>::Iterator
 119                         i = children_copy.begin();
 120                         i != children_copy.end(); i++)
 121         {
 122                 (*i)->remove();
 123         }
 124         /*{
 125                 gui::IGUIElement *e = getElementFromId(256);
 126                 if(e != NULL)
 127                         e->remove();
 128         }*/
 129
 130         if(m_tooltip_element)
 131         {
 132                 m_tooltip_element->remove();
 133                 m_tooltip_element->drop();
 134                 m_tooltip_element = NULL;
 135         }
 136
 137 }
 138
 139 void GUIFormSpecMenu::setInitialFocus()
 140 {
 141         // Set initial focus according to following order of precedence:
 142         // 1. first empty editbox
 143         // 2. first editbox
 144         // 3. first listbox
 145         // 4. last button
 146         // 5. first focusable (not statictext, not tabheader)
 147         // 6. first child element
 148
 149         core::list<gui::IGUIElement*> children = getChildren();
 150
 151         // in case "children" contains any NULL elements, remove them
 152         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 153                         it != children.end();) {
 154                 if (*it)
 155                         ++it;
 156                 else
 157                         it = children.erase(it);
 158         }
 159
 160         // 1. first empty editbox
 161         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 162                         it != children.end(); ++it) {
 163                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
 164                                 && (*it)->getText()[0] == 0) {
 165                         Environment->setFocus(*it);
 166                         return;
 167                 }
 168         }
 169
 170         // 2. first 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                         Environment->setFocus(*it);
 175                         return;
 176                 }
 177         }
 178
 179         // 3. first listbox
 180         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 181                         it != children.end(); ++it) {
 182                 if ((*it)->getType() == gui::EGUIET_LIST_BOX) {
 183                         Environment->setFocus(*it);
 184                         return;
 185                 }
 186         }
 187
 188         // 4. last button
 189         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
 190                         it != children.end(); --it) {
 191                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
 192                         Environment->setFocus(*it);
 193                         return;
 194                 }
 195         }
 196
 197         // 5. first focusable (not statictext, not tabheader)
 198         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
 199                         it != children.end(); ++it) {
 200                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
 201                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
 202                         Environment->setFocus(*it);
 203                         return;
 204                 }
 205         }
 206
 207         // 6. first child element
 208         if (children.empty())
 209                 Environment->setFocus(this);
 210         else
 211                 Environment->setFocus(*(children.begin()));
 212 }
 213
 214 int GUIFormSpecMenu::getListboxIndex(std::string listboxname) {
 215
 216         std::wstring wlistboxname = narrow_to_wide(listboxname.c_str());
 217
 218         for(unsigned int i=0; i < m_listboxes.size(); i++) {
 219
 220                 std::wstring name(m_listboxes[i].first.fname.c_str());
 221                 if ( name == wlistboxname) {
 222                         return m_listboxes[i].second->getSelected();
 223                 }
 224         }
 225         return -1;
 226 }
 227
 228 bool GUIFormSpecMenu::checkListboxClick(std::wstring wlistboxname,
 229                 int eventtype)
 230 {
 231         // WARNING: BLACK IRRLICHT MAGIC
 232         // Used to fix Irrlicht's subpar reporting of single clicks and double
 233         // clicks in listboxes (gui::EGET_LISTBOX_CHANGED,
 234         // gui::EGET_LISTBOX_SELECTED_AGAIN):
 235         // 1. IGUIListBox::setSelected() is counted as a click.
 236         //    Including the initial setSelected() done by parseTextList().
 237         // 2. Clicking on a the selected item and then dragging for less
 238         //    than 500ms is counted as a doubleclick, no matter when the
 239         //    item was previously selected (e.g. more than 500ms ago)
 240
 241         // So when Irrlicht reports a doubleclick, we need to check
 242         // for ourselves if really was a doubleclick. Or just a fake.
 243
 244         for(unsigned int i=0; i < m_listboxes.size(); i++) {
 245                 std::wstring name(m_listboxes[i].first.fname.c_str());
 246                 int selected = m_listboxes[i].second->getSelected();
 247                 if (name == wlistboxname && selected >= 0) {
 248                         u32 now = getTimeMs();
 249                         bool doubleclick =
 250                                 (eventtype == gui::EGET_LISTBOX_SELECTED_AGAIN)
 251                                 && (name == m_listbox_click_fname)
 252                                 && (selected == m_listbox_click_index)
 253                                 && (m_listbox_click_time >= now - 500);
 254                         m_listbox_click_fname = name;
 255                         m_listbox_click_index = selected;
 256                         m_listbox_click_time = now;
 257                         m_listbox_doubleclick = doubleclick;
 258                         return true;
 259                 }
 260         }
 261         return false;
 262 }
 263
 264 gui::IGUIScrollBar* GUIFormSpecMenu::getListboxScrollbar(
 265                 gui::IGUIListBox *listbox)
 266 {
 267         // WARNING: BLACK IRRLICHT MAGIC
 268         // Ordinarily, due to how formspecs work (recreating the entire GUI
 269         // when something changes), when you select an item in a textlist
 270         // with more items than fit in the visible area, the newly selected
 271         // item is scrolled to the bottom of the visible area. This is
 272         // annoying and breaks GUI designs that use double clicks.
 273
 274         // This function helps fixing this problem by giving direct access
 275         // to a listbox's scrollbar. This works because CGUIListBox doesn't
 276         // cache the scrollbar position anywhere.
 277
 278         // If this stops working in a future irrlicht version, consider
 279         // maintaining a local copy of irr::gui::CGUIListBox, possibly also
 280         // fixing the other reasons why black irrlicht magic is needed.
 281
 282         core::list<gui::IGUIElement*> children = listbox->getChildren();
 283         for(core::list<gui::IGUIElement*>::Iterator it = children.begin();
 284                         it != children.end(); ++it) {
 285                 gui::IGUIElement* child = *it;
 286                 if (child && child->getType() == gui::EGUIET_SCROLL_BAR) {
 287                         return static_cast<gui::IGUIScrollBar*>(child);
 288                 }
 289         }
 290
 291         verbosestream<<"getListboxScrollbar: WARNING: "
 292                         <<"listbox has no scrollbar"<<std::endl;
 293         return NULL;
 294 }
 295
 296 std::vector<std::string> split(const std::string &s, char delim) {
 297         std::vector<std::string> tokens;
 298
 299         std::string current = "";
 300         bool last_was_escape = false;
 301         for(unsigned int i=0; i < s.size(); i++) {
 302                 if (last_was_escape) {
 303                         current += '\\';
 304                         current += s.c_str()[i];
 305                         last_was_escape = false;
 306                 }
 307                 else {
 308                         if (s.c_str()[i] == delim) {
 309                                 tokens.push_back(current);
 310                                 current = "";
 311                                 last_was_escape = false;
 312                         }
 313                         else if (s.c_str()[i] == '\\'){
 314                                 last_was_escape = true;
 315                         }
 316                         else {
 317                                 current += s.c_str()[i];
 318                                 last_was_escape = false;
 319                         }
 320                 }
 321         }
 322         //push last element
 323         tokens.push_back(current);
 324
 325         return tokens;
 326 }
 327
 328 void GUIFormSpecMenu::parseSize(parserData* data,std::string element) {
 329         std::vector<std::string> parts = split(element,',');
 330
 331         if (parts.size() == 2) {
 332                 v2f invsize;
 333
 334                 if (parts[1].find(';') != std::string::npos)
 335                         parts[1] = parts[1].substr(0,parts[1].find(';'));
 336
 337                 invsize.X = stof(parts[0]);
 338                 invsize.Y = stof(parts[1]);
 339
 340                 if (m_lock) {
 341                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
 342                         v2u32 delta = current_screensize - m_lockscreensize;
 343
 344                         if (current_screensize.Y > m_lockscreensize.Y)
 345                                 delta.Y /= 2;
 346                         else
 347                                 delta.Y = 0;
 348
 349                         if (current_screensize.X > m_lockscreensize.X)
 350                                 delta.X /= 2;
 351                         else
 352                                 delta.X = 0;
 353
 354                         offset = v2s32(delta.X,delta.Y);
 355
 356                         data->screensize = m_lockscreensize;
 357                 }
 358                 else {
 359                         offset = v2s32(0,0);
 360                 }
 361
 362                 padding = v2s32(data->screensize.Y/40, data->screensize.Y/40);
 363                 spacing = v2s32(data->screensize.Y/12, data->screensize.Y/13);
 364                 imgsize = v2s32(data->screensize.Y/15, data->screensize.Y/15);
 365                 data->size = v2s32(
 366                         padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 367                         padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + (data->helptext_h-5)
 368                 );
 369                 data->rect = core::rect<s32>(
 370                                 data->screensize.X/2 - data->size.X/2 + offset.X,
 371                                 data->screensize.Y/2 - data->size.Y/2 + offset.Y,
 372                                 data->screensize.X/2 + data->size.X/2 + offset.X,
 373                                 data->screensize.Y/2 + data->size.Y/2 + offset.Y
 374                 );
 375
 376                 DesiredRect = data->rect;
 377                 recalculateAbsolutePosition(false);
 378                 data->basepos = getBasePos();
 379                 data->bp_set = 2;
 380                 return;
 381         }
 382         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
 383 }
 384
 385 void GUIFormSpecMenu::parseList(parserData* data,std::string element) {
 386
 387         if (m_gamedef == 0) {
 388                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
 389                 return;
 390         }
 391
 392         std::vector<std::string> parts = split(element,';');
 393
 394         if ((parts.size() == 4) || (parts.size() == 5)) {
 395                 std::string location = parts[0];
 396                 std::string listname = parts[1];
 397                 std::vector<std::string> v_pos  = split(parts[2],',');
 398                 std::vector<std::string> v_geom = split(parts[3],',');
 399                 std::string startindex = "";
 400                 if (parts.size() == 5)
 401                         startindex = parts[4];
 402
 403                 MY_CHECKPOS("list",2);
 404                 MY_CHECKGEOM("list",3);
 405
 406                 InventoryLocation loc;
 407
 408                 if(location == "context" || location == "current_name")
 409                         loc = m_current_inventory_location;
 410                 else
 411                         loc.deSerialize(location);
 412
 413                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 414                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 415                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 416
 417                 v2s32 geom;
 418                 geom.X = stoi(v_geom[0]);
 419                 geom.Y = stoi(v_geom[1]);
 420
 421                 s32 start_i = 0;
 422                 if(startindex != "")
 423                         start_i = stoi(startindex);
 424                 if(data->bp_set != 2)
 425                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 426                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 427                 return;
 428         }
 429         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
 430 }
 431
 432 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element) {
 433         std::vector<std::string> parts = split(element,';');
 434
 435         if ((parts.size() == 3) || (parts.size() == 4)) {
 436                 std::vector<std::string> v_pos = split(parts[0],',');
 437                 std::string name = parts[1];
 438                 std::string label = parts[2];
 439                 std::string selected = "";
 440
 441                 if (parts.size() == 4)
 442                         selected = parts[3];
 443
 444                 MY_CHECKPOS("checkbox",0);
 445
 446                 v2s32 pos = padding;
 447                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 448                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 449
 450                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
 451
 452                 bool fselected = false;
 453
 454                 if (selected == "true")
 455                         fselected = true;
 456
 457                 std::wstring wlabel = narrow_to_wide(label.c_str());
 458
 459                 FieldSpec spec = FieldSpec(
 460                                 narrow_to_wide(name.c_str()),
 461                                 L"",
 462                                 wlabel,
 463                                 258+m_fields.size()
 464                         );
 465
 466                 spec.ftype = f_CheckBox;
 467                 spec.flabel = wlabel; //Needed for displaying text on MSVC
 468                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
 469                                         spec.fid, spec.flabel.c_str());
 470
 471                 if (spec.fname == data->focused_fieldname) {
 472                         Environment->setFocus(e);
 473                 }
 474
 475                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
 476                 m_fields.push_back(spec);
 477                 return;
 478         }
 479         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 480 }
 481
 482 void GUIFormSpecMenu::parseImage(parserData* data,std::string element) {
 483         std::vector<std::string> parts = split(element,';');
 484
 485         if (parts.size() == 3) {
 486                 std::vector<std::string> v_pos = split(parts[0],',');
 487                 std::vector<std::string> v_geom = split(parts[1],',');
 488                 std::string name = unescape_string(parts[2]);
 489
 490                 MY_CHECKPOS("image",0);
 491                 MY_CHECKGEOM("image",1);
 492
 493                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 494                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 495                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 496
 497                 v2s32 geom;
 498                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
 499                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 500
 501                 if(data->bp_set != 2)
 502                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 503                 m_images.push_back(ImageDrawSpec(name, pos, geom));
 504                 return;
 505         }
 506
 507         if (parts.size() == 2) {
 508                 std::vector<std::string> v_pos = split(parts[0],',');
 509                 std::string name = unescape_string(parts[1]);
 510
 511                 MY_CHECKPOS("image",0);
 512
 513                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 514                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 515                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 516
 517                 if(data->bp_set != 2)
 518                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 519                 m_images.push_back(ImageDrawSpec(name, pos));
 520                 return;
 521         }
 522         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
 523 }
 524
 525 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element) {
 526         std::vector<std::string> parts = split(element,';');
 527
 528         if (parts.size() == 3) {
 529                 std::vector<std::string> v_pos = split(parts[0],',');
 530                 std::vector<std::string> v_geom = split(parts[1],',');
 531                 std::string name = parts[2];
 532
 533                 MY_CHECKPOS("itemimage",0);
 534                 MY_CHECKGEOM("itemimage",1);
 535
 536                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 537                 pos.X += stof(v_pos[0]) * (float) spacing.X;
 538                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 539
 540                 v2s32 geom;
 541                 geom.X = stoi(v_geom[0]) * (float)imgsize.X;
 542                 geom.Y = stoi(v_geom[1]) * (float)imgsize.Y;
 543
 544                 if(data->bp_set != 2)
 545                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 546                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 547                 return;
 548         }
 549         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
 550 }
 551
 552 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,std::string type) {
 553         std::vector<std::string> parts = split(element,';');
 554
 555         if (parts.size() == 4) {
 556                 std::vector<std::string> v_pos = split(parts[0],',');
 557                 std::vector<std::string> v_geom = split(parts[1],',');
 558                 std::string name = parts[2];
 559                 std::string label = parts[3];
 560
 561                 MY_CHECKPOS("button",0);
 562                 MY_CHECKGEOM("button",1);
 563
 564                 v2s32 pos = padding;
 565                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 566                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 567
 568                 v2s32 geom;
 569                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 570                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 571
 572                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y-15, pos.X+geom.X, pos.Y+15);
 573
 574                 if(data->bp_set != 2)
 575                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 576
 577                 label = unescape_string(label);
 578
 579                 std::wstring wlabel = narrow_to_wide(label.c_str());
 580
 581                 FieldSpec spec = FieldSpec(
 582                         narrow_to_wide(name.c_str()),
 583                         wlabel,
 584                         L"",
 585                         258+m_fields.size()
 586                 );
 587                 spec.ftype = f_Button;
 588                 if(type == "button_exit")
 589                         spec.is_exit = true;
 590
 591                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
 592                                 spec.flabel.c_str());
 593
 594                 if (spec.fname == data->focused_fieldname) {
 595                         Environment->setFocus(e);
 596                 }
 597
 598                 m_fields.push_back(spec);
 599                 return;
 600         }
 601         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
 602 }
 603
 604 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element) {
 605         std::vector<std::string> parts = split(element,';');
 606
 607         if ((parts.size() == 3) || (parts.size() == 4)) {
 608                 std::vector<std::string> v_pos = split(parts[0],',');
 609                 std::vector<std::string> v_geom = split(parts[1],',');
 610                 std::string name = unescape_string(parts[2]);
 611
 612                 MY_CHECKPOS("background",0);
 613                 MY_CHECKGEOM("background",1);
 614
 615                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 616                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 617                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 618
 619                 v2s32 geom;
 620                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 621                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 622
 623                 if (parts.size() == 4) {
 624                         m_clipbackground = is_yes(parts[3]);
 625                         if (m_clipbackground) {
 626                                 pos.X = stoi(v_pos[0]); //acts as offset
 627                                 pos.Y = stoi(v_pos[1]); //acts as offset
 628                         }
 629                 }
 630
 631                 if(data->bp_set != 2)
 632                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 633                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 634                 return;
 635         }
 636         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
 637 }
 638
 639 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element) {
 640         std::vector<std::string> parts = split(element,';');
 641
 642         if ((parts.size() == 5) || (parts.size() == 6)) {
 643                 std::vector<std::string> v_pos = split(parts[0],',');
 644                 std::vector<std::string> v_geom = split(parts[1],',');
 645                 std::string name = parts[2];
 646                 std::vector<std::string> items = split(parts[3],',');
 647                 std::string str_initial_selection = "";
 648                 std::string str_transparent = "false";
 649
 650                 if (parts.size() >= 5)
 651                         str_initial_selection = parts[4];
 652
 653                 if (parts.size() >= 6)
 654                         str_transparent = parts[5];
 655
 656                 MY_CHECKPOS("textlist",0);
 657                 MY_CHECKGEOM("textlist",1);
 658
 659                 v2s32 pos = padding;
 660                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 661                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 662
 663                 v2s32 geom;
 664                 geom.X = stof(v_geom[0]) * (float)spacing.X;
 665                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
 666
 667
 668                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 669
 670                 std::wstring fname_w = narrow_to_wide(name.c_str());
 671
 672                 FieldSpec spec = FieldSpec(
 673                         fname_w,
 674                         L"",
 675                         L"",
 676                         258+m_fields.size()
 677                 );
 678
 679                 spec.ftype = f_ListBox;
 680
 681                 //now really show list
 682                 gui::IGUIListBox *e = Environment->addListBox(rect, this,spec.fid);
 683
 684                 if (spec.fname == data->focused_fieldname) {
 685                         Environment->setFocus(e);
 686                 }
 687
 688                 if (str_transparent == "false")
 689                         e->setDrawBackground(true);
 690
 691                 for (unsigned int i=0; i < items.size(); i++) {
 692                         if (items[i].c_str()[0] == '#') {
 693                                 if (items[i].c_str()[1] == '#') {
 694                                         e->addItem(narrow_to_wide(unescape_string(items[i])).c_str() +1);
 695                                 }
 696                                 else {
 697                                         std::string color = items[i].substr(0,7);
 698                                         std::wstring toadd =
 699                                                 narrow_to_wide(unescape_string(items[i]).c_str() + 7);
 700
 701                                         e->addItem(toadd.c_str());
 702
 703                                         video::SColor tmp_color;
 704
 705                                         if (parseColor(color, tmp_color, false))
 706                                         e->setItemOverrideColor(i,tmp_color);
 707                                 }
 708                         }
 709                         else {
 710                                 e->addItem(narrow_to_wide(unescape_string(items[i])).c_str());
 711                         }
 712                 }
 713
 714                 if (data->listbox_selections.find(fname_w) != data->listbox_selections.end()) {
 715                         e->setSelected(data->listbox_selections[fname_w]);
 716                 }
 717
 718                 if (data->listbox_scroll.find(fname_w) != data->listbox_scroll.end()) {
 719                         gui::IGUIScrollBar *scrollbar = getListboxScrollbar(e);
 720                         if (scrollbar) {
 721                                 scrollbar->setPos(data->listbox_scroll[fname_w]);
 722                         }
 723                 }
 724
 725                 if (str_initial_selection != "")
 726                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 727
 728                 m_listboxes.push_back(std::pair<FieldSpec,gui::IGUIListBox*>(spec,e));
 729                 m_fields.push_back(spec);
 730                 return;
 731         }
 732         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
 733 }
 734
 735
 736 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element) {
 737         std::vector<std::string> parts = split(element,';');
 738
 739         if (parts.size() == 5) {
 740                 std::vector<std::string> v_pos = split(parts[0],',');
 741                 std::string name = parts[2];
 742                 std::vector<std::string> items = split(parts[3],',');
 743                 std::string str_initial_selection = "";
 744                 str_initial_selection = parts[4];
 745
 746                 MY_CHECKPOS("dropdown",0);
 747
 748                 v2s32 pos = padding;
 749                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 750                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 751
 752                 s32 width = stof(parts[1]) * (float)spacing.Y;
 753
 754                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+width, pos.Y+30);
 755
 756                 std::wstring fname_w = narrow_to_wide(name.c_str());
 757
 758                 FieldSpec spec = FieldSpec(
 759                         fname_w,
 760                         L"",
 761                         L"",
 762                         258+m_fields.size()
 763                 );
 764
 765                 spec.ftype = f_DropDown;
 766                 spec.send = true;
 767
 768                 //now really show list
 769                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
 770
 771                 if (spec.fname == data->focused_fieldname) {
 772                         Environment->setFocus(e);
 773                 }
 774
 775                 for (unsigned int i=0; i < items.size(); i++) {
 776                         e->addItem(narrow_to_wide(items[i]).c_str());
 777                 }
 778
 779                 if (str_initial_selection != "")
 780                         e->setSelected(stoi(str_initial_selection.c_str())-1);
 781
 782                 m_fields.push_back(spec);
 783                 return;
 784         }
 785         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
 786                                 << element << "'"  << std::endl;
 787 }
 788
 789 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element) {
 790         std::vector<std::string> parts = split(element,';');
 791
 792         if (parts.size() == 4) {
 793                 std::vector<std::string> v_pos = split(parts[0],',');
 794                 std::vector<std::string> v_geom = split(parts[1],',');
 795                 std::string name = parts[2];
 796                 std::string label = parts[3];
 797
 798                 MY_CHECKPOS("pwdfield",0);
 799                 MY_CHECKGEOM("pwdfield",1);
 800
 801                 v2s32 pos;
 802                 pos.X += stof(v_pos[0]) * (float)spacing.X;
 803                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 804
 805                 v2s32 geom;
 806                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 807
 808                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 809                 pos.Y -= 15;
 810                 geom.Y = 30;
 811
 812                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 813
 814                 label = unescape_string(label);
 815
 816                 std::wstring wlabel = narrow_to_wide(label.c_str());
 817
 818                 FieldSpec spec = FieldSpec(
 819                         narrow_to_wide(name.c_str()),
 820                         wlabel,
 821                         L"",
 822                         258+m_fields.size()
 823                         );
 824
 825                 spec.send = true;
 826                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
 827
 828                 if (spec.fname == data->focused_fieldname) {
 829                         Environment->setFocus(e);
 830                 }
 831
 832                 if (label.length() > 1)
 833                 {
 834                         rect.UpperLeftCorner.Y -= 15;
 835                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
 836                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
 837                 }
 838
 839                 e->setPasswordBox(true,L'*');
 840
 841                 irr::SEvent evt;
 842                 evt.EventType            = EET_KEY_INPUT_EVENT;
 843                 evt.KeyInput.Key         = KEY_END;
 844                 evt.KeyInput.Char        = 0;
 845                 evt.KeyInput.Control     = 0;
 846                 evt.KeyInput.Shift       = 0;
 847                 evt.KeyInput.PressedDown = true;
 848                 e->OnEvent(evt);
 849                 m_fields.push_back(spec);
 850                 return;
 851         }
 852         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
 853 }
 854
 855 void GUIFormSpecMenu::parseSimpleField(parserData* data,std::vector<std::string> &parts) {
 856         std::string name = parts[0];
 857         std::string label = parts[1];
 858         std::string default_val = parts[2];
 859
 860         core::rect<s32> rect;
 861
 862         if(!data->bp_set)
 863         {
 864                 rect = core::rect<s32>(
 865                         data->screensize.X/2 - 580/2,
 866                         data->screensize.Y/2 - 300/2,
 867                         data->screensize.X/2 + 580/2,
 868                         data->screensize.Y/2 + 300/2
 869                 );
 870                 DesiredRect = rect;
 871                 recalculateAbsolutePosition(false);
 872                 data->basepos = getBasePos();
 873                 data->bp_set = 1;
 874         }
 875         else if(data->bp_set == 2)
 876                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
 877
 878         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
 879         pos.Y = ((m_fields.size()+2)*60);
 880         v2s32 size = DesiredRect.getSize();
 881
 882         rect = core::rect<s32>(size.X/2-150, pos.Y, (size.X/2-150)+300, pos.Y+30);
 883
 884
 885         if(m_form_src)
 886                 default_val = m_form_src->resolveText(default_val);
 887
 888         default_val = unescape_string(default_val);
 889         label = unescape_string(label);
 890
 891         std::wstring wlabel = narrow_to_wide(label.c_str());
 892
 893         FieldSpec spec = FieldSpec(
 894                 narrow_to_wide(name.c_str()),
 895                 wlabel,
 896                 narrow_to_wide(default_val.c_str()),
 897                 258+m_fields.size()
 898         );
 899
 900         if (name == "")
 901         {
 902                 // spec field id to 0, this stops submit searching for a value that isn't there
 903                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 904         }
 905         else
 906         {
 907                 spec.send = true;
 908                 gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 909
 910                 if (spec.fname == data->focused_fieldname) {
 911                         Environment->setFocus(e);
 912                 }
 913
 914                 irr::SEvent evt;
 915                 evt.EventType            = EET_KEY_INPUT_EVENT;
 916                 evt.KeyInput.Key         = KEY_END;
 917                 evt.KeyInput.Char        = 0;
 918                 evt.KeyInput.Control     = 0;
 919                 evt.KeyInput.Shift       = 0;
 920                 evt.KeyInput.PressedDown = true;
 921                 e->OnEvent(evt);
 922
 923                 if (label.length() > 1)
 924                 {
 925                         rect.UpperLeftCorner.Y -= 15;
 926                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
 927                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
 928                 }
 929         }
 930
 931         m_fields.push_back(spec);
 932 }
 933
 934 void GUIFormSpecMenu::parseTextArea(parserData* data,std::vector<std::string>& parts,std::string type) {
 935
 936         std::vector<std::string> v_pos = split(parts[0],',');
 937         std::vector<std::string> v_geom = split(parts[1],',');
 938         std::string name = parts[2];
 939         std::string label = parts[3];
 940         std::string default_val = parts[4];
 941
 942         MY_CHECKPOS(type,0);
 943         MY_CHECKGEOM(type,1);
 944
 945         v2s32 pos;
 946         pos.X = stof(v_pos[0]) * (float) spacing.X;
 947         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
 948
 949         v2s32 geom;
 950
 951         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 952
 953         if (type == "textarea")
 954         {
 955                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
 956                 pos.Y += 15;
 957         }
 958         else
 959         {
 960                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 961                 pos.Y -= 15;
 962                 geom.Y = 30;
 963         }
 964
 965         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 966
 967         if(data->bp_set != 2)
 968                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
 969
 970         if(m_form_src)
 971                 default_val = m_form_src->resolveText(default_val);
 972
 973
 974         default_val = unescape_string(default_val);
 975         label = unescape_string(label);
 976
 977         std::wstring wlabel = narrow_to_wide(label.c_str());
 978
 979         FieldSpec spec = FieldSpec(
 980                 narrow_to_wide(name.c_str()),
 981                 wlabel,
 982                 narrow_to_wide(default_val.c_str()),
 983                 258+m_fields.size()
 984         );
 985
 986         if (name == "")
 987         {
 988                 // spec field id to 0, this stops submit searching for a value that isn't there
 989                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 990         }
 991         else
 992         {
 993                 spec.send = true;
 994                 gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 995
 996                 if (spec.fname == data->focused_fieldname) {
 997                         Environment->setFocus(e);
 998                 }
 999
1000                 if (type == "textarea")
1001                 {
1002                         e->setMultiLine(true);
1003                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1004                 } else {
1005                         irr::SEvent evt;
1006                         evt.EventType            = EET_KEY_INPUT_EVENT;
1007                         evt.KeyInput.Key         = KEY_END;
1008                         evt.KeyInput.Char        = 0;
1009                         evt.KeyInput.Control     = 0;
1010                         evt.KeyInput.Shift       = 0;
1011                         evt.KeyInput.PressedDown = true;
1012                         e->OnEvent(evt);
1013                 }
1014
1015                 if (label.length() > 1)
1016                 {
1017                         rect.UpperLeftCorner.Y -= 15;
1018                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
1019                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1020                 }
1021         }
1022         m_fields.push_back(spec);
1023 }
1024
1025 void GUIFormSpecMenu::parseField(parserData* data,std::string element,std::string type) {
1026         std::vector<std::string> parts = split(element,';');
1027
1028         if (parts.size() == 3) {
1029                 parseSimpleField(data,parts);
1030                 return;
1031         }
1032
1033         if (parts.size() == 5) {
1034                 parseTextArea(data,parts,type);
1035                 return;
1036         }
1037         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1038 }
1039
1040 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element) {
1041         std::vector<std::string> parts = split(element,';');
1042
1043         if (parts.size() == 2) {
1044                 std::vector<std::string> v_pos = split(parts[0],',');
1045                 std::string text = parts[1];
1046
1047                 MY_CHECKPOS("label",0);
1048
1049                 v2s32 pos = padding;
1050                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1051                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1052
1053                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
1054
1055                 if(data->bp_set != 2)
1056                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1057
1058                 text = unescape_string(text);
1059
1060                 std::wstring wlabel = narrow_to_wide(text.c_str());
1061
1062                 FieldSpec spec = FieldSpec(
1063                         L"",
1064                         wlabel,
1065                         L"",
1066                         258+m_fields.size()
1067                 );
1068                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1069                 m_fields.push_back(spec);
1070                 return;
1071         }
1072         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1073 }
1074
1075 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element) {
1076         std::vector<std::string> parts = split(element,';');
1077
1078         if (parts.size() == 2) {
1079                 std::vector<std::string> v_pos = split(parts[0],',');
1080                 std::wstring text = narrow_to_wide(unescape_string(parts[1]));
1081
1082                 MY_CHECKPOS("vertlabel",1);
1083
1084                 v2s32 pos = padding;
1085                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1086                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1087
1088                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+15, pos.Y+300);
1089
1090                 if(data->bp_set != 2)
1091                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1092
1093                 std::wstring label = L"";
1094
1095                 for (unsigned int i=0; i < text.length(); i++) {
1096                         label += text[i];
1097                         label += L"\n";
1098                 }
1099
1100                 FieldSpec spec = FieldSpec(
1101                         L"",
1102                         label,
1103                         L"",
1104                         258+m_fields.size()
1105                 );
1106                 gui::IGUIStaticText *t =
1107                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1108                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1109                 m_fields.push_back(spec);
1110                 return;
1111         }
1112         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1113 }
1114
1115 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,std::string type) {
1116         std::vector<std::string> parts = split(element,';');
1117
1118         if ((parts.size() == 5) || (parts.size() == 7) || (parts.size() == 8)) {
1119                 std::vector<std::string> v_pos = split(parts[0],',');
1120                 std::vector<std::string> v_geom = split(parts[1],',');
1121                 std::string image_name = parts[2];
1122                 std::string name = parts[3];
1123                 std::string label = parts[4];
1124
1125                 MY_CHECKPOS("imagebutton",0);
1126                 MY_CHECKGEOM("imagebutton",1);
1127
1128                 v2s32 pos = padding;
1129                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1130                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1131                 v2s32 geom;
1132                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1133                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1134
1135                 bool noclip = false;
1136                 bool drawborder = true;
1137
1138                 if ((parts.size() >= 7)) {
1139                         if (parts[5] == "true")
1140                                 noclip = true;
1141
1142                         if (parts[6] == "false")
1143                                 drawborder = false;
1144                 }
1145
1146                 std::string pressed_image_name = "";
1147
1148                 if ((parts.size() == 8)) {
1149                         pressed_image_name = parts[7];
1150                 }
1151
1152                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1153
1154                 if(data->bp_set != 2)
1155                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1156
1157                 image_name = unescape_string(image_name);
1158                 pressed_image_name = unescape_string(pressed_image_name);
1159                 label = unescape_string(label);
1160
1161                 std::wstring wlabel = narrow_to_wide(label.c_str());
1162
1163                 FieldSpec spec = FieldSpec(
1164                         narrow_to_wide(name.c_str()),
1165                         wlabel,
1166                         narrow_to_wide(image_name.c_str()),
1167                         258+m_fields.size()
1168                 );
1169                 spec.ftype = f_Button;
1170                 if(type == "image_button_exit")
1171                         spec.is_exit = true;
1172
1173                 video::ITexture *texture = 0;
1174                 video::ITexture *pressed_texture = 0;
1175                 texture = m_tsrc->getTexture(image_name);
1176                 if (parts.size() == 8)
1177                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1178                 else
1179                         pressed_texture = texture;
1180
1181                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1182
1183                 if (spec.fname == data->focused_fieldname) {
1184                         Environment->setFocus(e);
1185                 }
1186
1187                 e->setUseAlphaChannel(true);
1188                 e->setImage(texture);
1189                 e->setPressedImage(pressed_texture);
1190                 e->setScaleImage(true);
1191                 e->setNotClipped(noclip);
1192                 e->setDrawBorder(drawborder);
1193
1194                 m_fields.push_back(spec);
1195                 return;
1196         }
1197
1198         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1199 }
1200
1201 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element) {
1202         std::vector<std::string> parts = split(element,';');
1203
1204         if ((parts.size() == 4) || (parts.size() == 6)) {
1205                 std::vector<std::string> v_pos = split(parts[0],',');
1206                 std::string name = parts[1];
1207                 std::vector<std::string> buttons = split(parts[2],',');
1208                 std::string str_index = parts[3];
1209                 bool show_background = true;
1210                 bool show_border = true;
1211                 int tab_index = stoi(str_index) -1;
1212
1213                 MY_CHECKPOS("tabheader",0);
1214
1215                 if (parts.size() == 6) {
1216                         if (parts[4] == "true")
1217                                 show_background = false;
1218                         if (parts[5] == "false")
1219                                 show_border = false;
1220                 }
1221
1222                 FieldSpec spec = FieldSpec(
1223                         narrow_to_wide(name.c_str()),
1224                         L"",
1225                         L"",
1226                         258+m_fields.size()
1227                 );
1228
1229                 spec.ftype = f_TabHeader;
1230
1231                 v2s32 pos = padding;
1232                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1233                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1234                 v2s32 geom;
1235                 geom.X = data->screensize.Y;
1236                 geom.Y = 30;
1237
1238                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1239
1240                 gui::IGUITabControl *e = Environment->addTabControl(rect,this,show_background,show_border,spec.fid);
1241
1242                 if (spec.fname == data->focused_fieldname) {
1243                         Environment->setFocus(e);
1244                 }
1245
1246                 e->setNotClipped(true);
1247
1248                 for (unsigned int i=0; i< buttons.size(); i++) {
1249                         wchar_t* wbutton = 0;
1250
1251                         std::wstring wlabel = narrow_to_wide(buttons[i]); //Needed for displaying text on windows
1252                         wbutton = (wchar_t*) wlabel.c_str();
1253
1254                         e->addTab(wbutton,-1);
1255                 }
1256
1257                 if ((tab_index >= 0) &&
1258                                 (buttons.size() < INT_MAX) &&
1259                                 (tab_index < (int) buttons.size()))
1260                         e->setActiveTab(tab_index);
1261
1262                 m_fields.push_back(spec);
1263                 return;
1264         }
1265         errorstream<< "Invalid TabHeader element(" << parts.size() << "): '" << element << "'"  << std::endl;
1266 }
1267
1268 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element) {
1269
1270         if (m_gamedef == 0) {
1271                 errorstream<<"WARNING: invalid use of item_image_button with m_gamedef==0"<<std::endl;
1272                 return;
1273         }
1274
1275         std::vector<std::string> parts = split(element,';');
1276
1277         if (parts.size() == 5) {
1278                 std::vector<std::string> v_pos = split(parts[0],',');
1279                 std::vector<std::string> v_geom = split(parts[1],',');
1280                 std::string item_name = parts[2];
1281                 std::string name = parts[3];
1282                 std::string label = parts[4];
1283
1284                 MY_CHECKPOS("itemimagebutton",0);
1285                 MY_CHECKGEOM("itemimagebutton",1);
1286
1287                 v2s32 pos = padding;
1288                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1289                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1290                 v2s32 geom;
1291                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1292                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1293
1294                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1295
1296                 if(data->bp_set != 2)
1297                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1298
1299                 IItemDefManager *idef = m_gamedef->idef();
1300                 ItemStack item;
1301                 item.deSerialize(item_name, idef);
1302                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1303                 std::string tooltip = item.getDefinition(idef).description;
1304
1305                 label = unescape_string(label);
1306                 FieldSpec spec = FieldSpec(
1307                         narrow_to_wide(name.c_str()),
1308                         narrow_to_wide(label.c_str()),
1309                         narrow_to_wide(item_name.c_str()),
1310                         258+m_fields.size()
1311                 );
1312
1313                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1314
1315                 if (spec.fname == data->focused_fieldname) {
1316                         Environment->setFocus(e);
1317                 }
1318
1319                 e->setUseAlphaChannel(true);
1320                 e->setImage(texture);
1321                 e->setPressedImage(texture);
1322                 e->setScaleImage(true);
1323                 spec.ftype = f_Button;
1324                 rect+=data->basepos-padding;
1325                 spec.rect=rect;
1326                 if (tooltip!="")
1327                         spec.tooltip=tooltip;
1328                 m_fields.push_back(spec);
1329                 return;
1330         }
1331         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1332 }
1333
1334 void GUIFormSpecMenu::parseBox(parserData* data,std::string element) {
1335         std::vector<std::string> parts = split(element,';');
1336
1337         if (parts.size() == 3) {
1338                 std::vector<std::string> v_pos = split(parts[0],',');
1339                 std::vector<std::string> v_geom = split(parts[1],',');
1340
1341                 MY_CHECKPOS("box",0);
1342                 MY_CHECKGEOM("box",1);
1343
1344                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1345                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1346                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1347
1348                 v2s32 geom;
1349                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1350                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1351
1352                 video::SColor tmp_color;
1353
1354                 if (parseColor(parts[2], tmp_color, false)) {
1355                         BoxDrawSpec spec(pos, geom, tmp_color);
1356
1357                         m_boxes.push_back(spec);
1358                 }
1359                 else {
1360                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1361                 }
1362                 return;
1363         }
1364         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1365 }
1366
1367 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element) {
1368         std::vector<std::string> parts = split(element,';');
1369
1370         if ((parts.size() == 1) || (parts.size() == 2)) {
1371                 parseColor(parts[0],m_bgcolor,false);
1372
1373                 if (parts.size() == 2) {
1374                         std::string fullscreen = parts[1];
1375                         m_bgfullscreen = is_yes(fullscreen);
1376                 }
1377                 return;
1378         }
1379         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1380 }
1381
1382 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element) {
1383         std::vector<std::string> parts = split(element,';');
1384
1385         if ((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) {
1386                 parseColor(parts[0], m_slotbg_n, false);
1387                 parseColor(parts[1], m_slotbg_h, false);
1388
1389                 if (parts.size() >= 3) {
1390                         if (parseColor(parts[2], m_slotbordercolor, false)) {
1391                                 m_slotborder = true;
1392                         }
1393                 }
1394                 if (parts.size() == 5) {
1395                         video::SColor tmp_color;
1396
1397                         if (parseColor(parts[3], tmp_color, false))
1398                                 m_tooltip_element->setBackgroundColor(tmp_color);
1399                         if (parseColor(parts[4], tmp_color, false))
1400                                 m_tooltip_element->setOverrideColor(tmp_color);
1401                 }
1402                 return;
1403         }
1404         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1405 }
1406
1407 void GUIFormSpecMenu::parseElement(parserData* data,std::string element) {
1408
1409         //some prechecks
1410         if (element == "")
1411                 return;
1412
1413         std::vector<std::string> parts = split(element,'[');
1414
1415         // ugly workaround to keep compatibility
1416         if (parts.size() > 2) {
1417                 if (trim(parts[0]) == "image") {
1418                         for (unsigned int i=2;i< parts.size(); i++) {
1419                                 parts[1] += "[" + parts[i];
1420                         }
1421                 }
1422                 else { return; }
1423         }
1424
1425         if (parts.size() < 2) {
1426                 return;
1427         }
1428
1429         std::string type = trim(parts[0]);
1430         std::string description = trim(parts[1]);
1431
1432         if ((type == "size") || (type == "invsize")){
1433                 parseSize(data,description);
1434                 return;
1435         }
1436
1437         if (type == "list") {
1438                 parseList(data,description);
1439                 return;
1440         }
1441
1442         if (type == "checkbox") {
1443                 parseCheckbox(data,description);
1444                 return;
1445         }
1446
1447         if (type == "image") {
1448                 parseImage(data,description);
1449                 return;
1450         }
1451
1452         if (type == "item_image") {
1453                 parseItemImage(data,description);
1454                 return;
1455         }
1456
1457         if ((type == "button") || (type == "button_exit")) {
1458                 parseButton(data,description,type);
1459                 return;
1460         }
1461
1462         if (type == "background") {
1463                 parseBackground(data,description);
1464                 return;
1465         }
1466
1467         if (type == "textlist"){
1468                 parseTextList(data,description);
1469                 return;
1470         }
1471
1472         if (type == "dropdown"){
1473                 parseDropDown(data,description);
1474                 return;
1475         }
1476
1477         if (type == "pwdfield") {
1478                 parsePwdField(data,description);
1479                 return;
1480         }
1481
1482         if ((type == "field") || (type == "textarea")){
1483                 parseField(data,description,type);
1484                 return;
1485         }
1486
1487         if (type == "label") {
1488                 parseLabel(data,description);
1489                 return;
1490         }
1491
1492         if (type == "vertlabel") {
1493                 parseVertLabel(data,description);
1494                 return;
1495         }
1496
1497         if (type == "item_image_button") {
1498                 parseItemImageButton(data,description);
1499                 return;
1500         }
1501
1502         if ((type == "image_button") || (type == "image_button_exit")) {
1503                 parseImageButton(data,description,type);
1504                 return;
1505         }
1506
1507         if (type == "tabheader") {
1508                 parseTabHeader(data,description);
1509                 return;
1510         }
1511
1512         if (type == "box") {
1513                 parseBox(data,description);
1514                 return;
1515         }
1516
1517         if (type == "bgcolor") {
1518                 parseBackgroundColor(data,description);
1519                 return;
1520         }
1521
1522         if (type == "listcolors") {
1523                 parseListColors(data,description);
1524                 return;
1525         }
1526
1527         // Ignore others
1528         infostream
1529                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1530                 <<std::endl;
1531 }
1532
1533
1534
1535 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1536 {
1537         parserData mydata;
1538
1539         //preserve listboxes
1540         for (unsigned int i = 0; i < m_listboxes.size(); i++) {
1541                 std::wstring listboxname = m_listboxes[i].first.fname;
1542                 gui::IGUIListBox *listbox = m_listboxes[i].second;
1543
1544                 int selection = listbox->getSelected();
1545                 if (selection != -1) {
1546                         mydata.listbox_selections[listboxname] = selection;
1547                 }
1548
1549                 gui::IGUIScrollBar *scrollbar = getListboxScrollbar(listbox);
1550                 if (scrollbar) {
1551                         mydata.listbox_scroll[listboxname] = scrollbar->getPos();
1552                 }
1553         }
1554
1555         //preserve focus
1556         gui::IGUIElement *focused_element = Environment->getFocus();
1557         if (focused_element && focused_element->getParent() == this) {
1558                 s32 focused_id = focused_element->getID();
1559                 if (focused_id > 257) {
1560                         for (u32 i=0; i<m_fields.size(); i++) {
1561                                 if (m_fields[i].fid == focused_id) {
1562                                         mydata.focused_fieldname =
1563                                                 m_fields[i].fname;
1564                                         break;
1565                                 }
1566                         }
1567                 }
1568         }
1569
1570         // Remove children
1571         removeChildren();
1572
1573         mydata.size= v2s32(100,100);
1574         mydata.helptext_h = 15;
1575         mydata.screensize = screensize;
1576
1577         // Base position of contents of form
1578         mydata.basepos = getBasePos();
1579
1580         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
1581         // Used to adjust form size automatically if needed
1582         // A proceed button is added if there is no size[] element
1583         mydata.bp_set = 0;
1584
1585
1586         /* Convert m_init_draw_spec to m_inventorylists */
1587
1588         m_inventorylists.clear();
1589         m_images.clear();
1590         m_backgrounds.clear();
1591         m_itemimages.clear();
1592         m_listboxes.clear();
1593         m_checkboxes.clear();
1594         m_fields.clear();
1595         m_boxes.clear();
1596
1597         // Set default values (fits old formspec values)
1598         m_bgcolor = video::SColor(140,0,0,0);
1599         m_bgfullscreen = false;
1600
1601         m_slotbg_n = video::SColor(255,128,128,128);
1602         m_slotbg_h = video::SColor(255,192,192,192);
1603
1604         m_slotbordercolor = video::SColor(200,0,0,0);
1605         m_slotborder = false;
1606
1607         m_clipbackground = false;
1608         // Add tooltip
1609         {
1610                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1611                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1612                 m_tooltip_element->enableOverrideColor(true);
1613                 m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
1614                 m_tooltip_element->setDrawBackground(true);
1615                 m_tooltip_element->setDrawBorder(true);
1616                 m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
1617                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1618                 m_tooltip_element->setWordWrap(false);
1619                 //we're not parent so no autograb for this one!
1620                 m_tooltip_element->grab();
1621         }
1622
1623
1624         std::vector<std::string> elements = split(m_formspec_string,']');
1625
1626         for (unsigned int i=0;i< elements.size();i++) {
1627                 parseElement(&mydata,elements[i]);
1628         }
1629
1630         // If there's fields, add a Proceed button
1631         if (m_fields.size() && mydata.bp_set != 2)
1632         {
1633                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
1634                 mydata.rect = core::rect<s32>(
1635                                 mydata.screensize.X/2 - 580/2,
1636                                 mydata.screensize.Y/2 - 300/2,
1637                                 mydata.screensize.X/2 + 580/2,
1638                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
1639                 );
1640                 DesiredRect = mydata.rect;
1641                 recalculateAbsolutePosition(false);
1642                 mydata.basepos = getBasePos();
1643
1644                 changeCtype("");
1645                 {
1646                         v2s32 pos = mydata.basepos;
1647                         pos.Y = ((m_fields.size()+2)*60);
1648
1649                         v2s32 size = DesiredRect.getSize();
1650                         mydata.rect = core::rect<s32>(size.X/2-70, pos.Y, (size.X/2-70)+140, pos.Y+30);
1651                         wchar_t* text = wgettext("Proceed");
1652                         Environment->addButton(mydata.rect, this, 257, text);
1653                         delete[] text;
1654                 }
1655                 changeCtype("C");
1656         }
1657
1658         //set initial focus if parser didn't set it
1659         focused_element = Environment->getFocus();
1660         if (!focused_element
1661                         || !isMyChild(focused_element)
1662                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
1663                 setInitialFocus();
1664 }
1665
1666 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
1667 {
1668         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
1669
1670         for(u32 i=0; i<m_inventorylists.size(); i++)
1671         {
1672                 const ListDrawSpec &s = m_inventorylists[i];
1673
1674                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
1675                 {
1676                         s32 item_i = i + s.start_item_i;
1677                         s32 x = (i%s.geom.X) * spacing.X;
1678                         s32 y = (i/s.geom.X) * spacing.Y;
1679                         v2s32 p0(x,y);
1680                         core::rect<s32> rect = imgrect + s.pos + p0;
1681                         if(rect.isPointInside(p))
1682                         {
1683                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
1684                         }
1685                 }
1686         }
1687
1688         return ItemSpec(InventoryLocation(), "", -1);
1689 }
1690
1691 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
1692 {
1693         video::IVideoDriver* driver = Environment->getVideoDriver();
1694
1695         // Get font
1696         gui::IGUIFont *font = NULL;
1697         gui::IGUISkin* skin = Environment->getSkin();
1698         if (skin)
1699                 font = skin->getFont();
1700
1701         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
1702         if(!inv){
1703                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
1704                                 <<"The inventory location "
1705                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
1706                                 <<std::endl;
1707                 return;
1708         }
1709         InventoryList *ilist = inv->getList(s.listname);
1710         if(!ilist){
1711                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
1712                                 <<"The inventory list \""<<s.listname<<"\" @ \""
1713                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
1714                                 <<std::endl;
1715                 return;
1716         }
1717
1718         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
1719
1720         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
1721         {
1722                 s32 item_i = i + s.start_item_i;
1723                 if(item_i >= (s32) ilist->getSize())
1724                         break;
1725                 s32 x = (i%s.geom.X) * spacing.X;
1726                 s32 y = (i/s.geom.X) * spacing.Y;
1727                 v2s32 p(x,y);
1728                 core::rect<s32> rect = imgrect + s.pos + p;
1729                 ItemStack item;
1730                 if(ilist)
1731                         item = ilist->getItem(item_i);
1732
1733                 bool selected = m_selected_item
1734                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
1735                         && m_selected_item->listname == s.listname
1736                         && m_selected_item->i == item_i;
1737                 bool hovering = rect.isPointInside(m_pointer);
1738
1739                 if(phase == 0)
1740                 {
1741                         if(hovering)
1742                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
1743                         else
1744                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
1745                 }
1746
1747                 //Draw inv slot borders
1748                 if (m_slotborder) {
1749                         s32 x1 = rect.UpperLeftCorner.X;
1750                         s32 y1 = rect.UpperLeftCorner.Y;
1751                         s32 x2 = rect.LowerRightCorner.X;
1752                         s32 y2 = rect.LowerRightCorner.Y;
1753                         s32 border = 1;
1754                         driver->draw2DRectangle(m_slotbordercolor,
1755                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
1756                                                                 v2s32(x2 + border, y1)), NULL);
1757                         driver->draw2DRectangle(m_slotbordercolor,
1758                                 core::rect<s32>(v2s32(x1 - border, y2),
1759                                                                 v2s32(x2 + border, y2 + border)), NULL);
1760                         driver->draw2DRectangle(m_slotbordercolor,
1761                                 core::rect<s32>(v2s32(x1 - border, y1),
1762                                                                 v2s32(x1, y2)), NULL);
1763                         driver->draw2DRectangle(m_slotbordercolor,
1764                                 core::rect<s32>(v2s32(x2, y1),
1765                                                                 v2s32(x2 + border, y2)), NULL);
1766                 }
1767
1768                 if(phase == 1)
1769                 {
1770                         // Draw item stack
1771                         if(selected)
1772                         {
1773                                 item.takeItem(m_selected_amount);
1774                         }
1775                         if(!item.empty())
1776                         {
1777                                 drawItemStack(driver, font, item,
1778                                                 rect, &AbsoluteClippingRect, m_gamedef);
1779                         }
1780
1781                         // Draw tooltip
1782                         std::string tooltip_text = "";
1783                         if(hovering && !m_selected_item)
1784                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
1785                         if(tooltip_text != "")
1786                         {
1787                                 m_tooltip_element->setVisible(true);
1788                                 this->bringToFront(m_tooltip_element);
1789                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
1790                                 s32 tooltip_x = m_pointer.X + 15;
1791                                 s32 tooltip_y = m_pointer.Y + 15;
1792                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
1793                                 s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
1794                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
1795                                                 core::position2d<s32>(tooltip_x, tooltip_y),
1796                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
1797                         }
1798                 }
1799         }
1800 }
1801
1802 void GUIFormSpecMenu::drawSelectedItem()
1803 {
1804         if(!m_selected_item)
1805                 return;
1806
1807         video::IVideoDriver* driver = Environment->getVideoDriver();
1808
1809         // Get font
1810         gui::IGUIFont *font = NULL;
1811         gui::IGUISkin* skin = Environment->getSkin();
1812         if (skin)
1813                 font = skin->getFont();
1814
1815         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
1816         assert(inv);
1817         InventoryList *list = inv->getList(m_selected_item->listname);
1818         assert(list);
1819         ItemStack stack = list->getItem(m_selected_item->i);
1820         stack.count = m_selected_amount;
1821
1822         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
1823         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
1824         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
1825 }
1826
1827 void GUIFormSpecMenu::drawMenu()
1828 {
1829         if(m_form_src){
1830                 std::string newform = m_form_src->getForm();
1831                 if(newform != m_formspec_string){
1832                         m_formspec_string = newform;
1833                         regenerateGui(m_screensize_old);
1834                 }
1835         }
1836
1837         m_pointer = m_device->getCursorControl()->getPosition();
1838
1839         updateSelectedItem();
1840
1841         gui::IGUISkin* skin = Environment->getSkin();
1842         if (!skin)
1843                 return;
1844         video::IVideoDriver* driver = Environment->getVideoDriver();
1845
1846         v2u32 screenSize = driver->getScreenSize();
1847         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
1848         if (m_bgfullscreen)
1849                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
1850         else
1851                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
1852
1853         m_tooltip_element->setVisible(false);
1854
1855         /*
1856                 Draw backgrounds
1857         */
1858         for(u32 i=0; i<m_backgrounds.size(); i++)
1859         {
1860                 const ImageDrawSpec &spec = m_backgrounds[i];
1861                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
1862
1863                 if (texture != 0) {
1864                         // Image size on screen
1865                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
1866                         // Image rectangle on screen
1867                         core::rect<s32> rect = imgrect + spec.pos;
1868
1869                         if (m_clipbackground) {
1870                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
1871                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
1872                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
1873                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X*2,
1874                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y*2);
1875                         }
1876
1877                         const video::SColor color(255,255,255,255);
1878                         const video::SColor colors[] = {color,color,color,color};
1879                         driver->draw2DImage(texture, rect,
1880                                 core::rect<s32>(core::position2d<s32>(0,0),
1881                                                 core::dimension2di(texture->getOriginalSize())),
1882                                 NULL/*&AbsoluteClippingRect*/, colors, true);
1883                 }
1884                 else {
1885                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
1886                         errorstream << "\t" << spec.name << std::endl;
1887                 }
1888         }
1889
1890         /*
1891                 Draw Boxes
1892         */
1893         for(u32 i=0; i<m_boxes.size(); i++)
1894         {
1895                 const BoxDrawSpec &spec = m_boxes[i];
1896
1897                 irr::video::SColor todraw = spec.color;
1898
1899                 todraw.setAlpha(140);
1900
1901                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
1902                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
1903
1904                 driver->draw2DRectangle(todraw, rect, 0);
1905         }
1906         /*
1907                 Draw images
1908         */
1909         for(u32 i=0; i<m_images.size(); i++)
1910         {
1911                 const ImageDrawSpec &spec = m_images[i];
1912                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
1913
1914                 if (texture != 0) {
1915                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
1916                         // Image size on screen
1917                         core::rect<s32> imgrect;
1918
1919                         if (spec.scale)
1920                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
1921                         else {
1922
1923                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
1924                         }
1925                         // Image rectangle on screen
1926                         core::rect<s32> rect = imgrect + spec.pos;
1927                         const video::SColor color(255,255,255,255);
1928                         const video::SColor colors[] = {color,color,color,color};
1929                         driver->draw2DImage(texture, rect,
1930                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
1931                                 NULL/*&AbsoluteClippingRect*/, colors, true);
1932                 }
1933                 else {
1934                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
1935                         errorstream << "\t" << spec.name << std::endl;
1936                 }
1937         }
1938
1939         /*
1940                 Draw item images
1941         */
1942         for(u32 i=0; i<m_itemimages.size(); i++)
1943         {
1944                 if (m_gamedef == 0)
1945                         break;
1946
1947                 const ImageDrawSpec &spec = m_itemimages[i];
1948                 IItemDefManager *idef = m_gamedef->idef();
1949                 ItemStack item;
1950                 item.deSerialize(spec.name, idef);
1951                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1952                 // Image size on screen
1953                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
1954                 // Image rectangle on screen
1955                 core::rect<s32> rect = imgrect + spec.pos;
1956                 const video::SColor color(255,255,255,255);
1957                 const video::SColor colors[] = {color,color,color,color};
1958                 driver->draw2DImage(texture, rect,
1959                         core::rect<s32>(core::position2d<s32>(0,0),
1960                                         core::dimension2di(texture->getOriginalSize())),
1961                         NULL/*&AbsoluteClippingRect*/, colors, true);
1962         }
1963
1964         /*
1965                 Draw items
1966                 Phase 0: Item slot rectangles
1967                 Phase 1: Item images; prepare tooltip
1968         */
1969         int start_phase=0;
1970         for(int phase=start_phase; phase<=1; phase++)
1971         for(u32 i=0; i<m_inventorylists.size(); i++)
1972         {
1973                 drawList(m_inventorylists[i], phase);
1974         }
1975
1976         /*
1977                 Call base class
1978         */
1979         gui::IGUIElement::draw();
1980
1981         /*
1982                 Draw fields/buttons tooltips
1983         */
1984         for(u32 i=0; i<m_fields.size(); i++)
1985         {
1986                 const FieldSpec &spec = m_fields[i];
1987                 if (spec.tooltip != "")
1988                 {
1989                         core::rect<s32> rect = spec.rect;
1990                         if (rect.isPointInside(m_pointer))
1991                         {
1992                                 m_tooltip_element->setVisible(true);
1993                                 this->bringToFront(m_tooltip_element);
1994                                 m_tooltip_element->setText(narrow_to_wide(spec.tooltip).c_str());
1995                                 s32 tooltip_x = m_pointer.X + 15;
1996                                 s32 tooltip_y = m_pointer.Y + 15;
1997                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
1998                                 s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
1999                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2000                                 core::position2d<s32>(tooltip_x, tooltip_y),
2001                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2002                         }
2003                 }
2004         }
2005
2006         /*
2007                 Draw dragged item stack
2008         */
2009         drawSelectedItem();
2010 }
2011
2012 void GUIFormSpecMenu::updateSelectedItem()
2013 {
2014         // If the selected stack has become empty for some reason, deselect it.
2015         // If the selected stack has become inaccessible, deselect it.
2016         // If the selected stack has become smaller, adjust m_selected_amount.
2017         ItemStack selected = verifySelectedItem();
2018
2019         // WARNING: BLACK MAGIC
2020         // See if there is a stack suited for our current guess.
2021         // If such stack does not exist, clear the guess.
2022         if(m_selected_content_guess.name != "" &&
2023                         selected.name == m_selected_content_guess.name &&
2024                         selected.count == m_selected_content_guess.count){
2025                 // Selected item fits the guess. Skip the black magic.
2026         }
2027         else if(m_selected_content_guess.name != ""){
2028                 bool found = false;
2029                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2030                         const ListDrawSpec &s = m_inventorylists[i];
2031                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2032                         if(!inv)
2033                                 continue;
2034                         InventoryList *list = inv->getList(s.listname);
2035                         if(!list)
2036                                 continue;
2037                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2038                                 u32 item_i = i + s.start_item_i;
2039                                 if(item_i >= list->getSize())
2040                                         continue;
2041                                 ItemStack stack = list->getItem(item_i);
2042                                 if(stack.name == m_selected_content_guess.name &&
2043                                                 stack.count == m_selected_content_guess.count){
2044                                         found = true;
2045                                         infostream<<"Client: Changing selected content guess to "
2046                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2047                                                         <<" "<<item_i<<std::endl;
2048                                         delete m_selected_item;
2049                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2050                                         m_selected_amount = stack.count;
2051                                 }
2052                         }
2053                 }
2054                 if(!found){
2055                         infostream<<"Client: Discarding selected content guess: "
2056                                         <<m_selected_content_guess.getItemString()<<std::endl;
2057                         m_selected_content_guess.name = "";
2058                 }
2059         }
2060
2061         // If craftresult is nonempty and nothing else is selected, select it now.
2062         if(!m_selected_item)
2063         {
2064                 for(u32 i=0; i<m_inventorylists.size(); i++)
2065                 {
2066                         const ListDrawSpec &s = m_inventorylists[i];
2067                         if(s.listname == "craftpreview")
2068                         {
2069                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2070                                 InventoryList *list = inv->getList("craftresult");
2071                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2072                                 {
2073                                         m_selected_item = new ItemSpec;
2074                                         m_selected_item->inventoryloc = s.inventoryloc;
2075                                         m_selected_item->listname = "craftresult";
2076                                         m_selected_item->i = 0;
2077                                         m_selected_amount = 0;
2078                                         m_selected_dragging = false;
2079                                         break;
2080                                 }
2081                         }
2082                 }
2083         }
2084
2085         // If craftresult is selected, keep the whole stack selected
2086         if(m_selected_item && m_selected_item->listname == "craftresult")
2087         {
2088                 m_selected_amount = verifySelectedItem().count;
2089         }
2090 }
2091
2092 ItemStack GUIFormSpecMenu::verifySelectedItem()
2093 {
2094         // If the selected stack has become empty for some reason, deselect it.
2095         // If the selected stack has become inaccessible, deselect it.
2096         // If the selected stack has become smaller, adjust m_selected_amount.
2097         // Return the selected stack.
2098
2099         if(m_selected_item)
2100         {
2101                 if(m_selected_item->isValid())
2102                 {
2103                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2104                         if(inv)
2105                         {
2106                                 InventoryList *list = inv->getList(m_selected_item->listname);
2107                                 if(list && (u32) m_selected_item->i < list->getSize())
2108                                 {
2109                                         ItemStack stack = list->getItem(m_selected_item->i);
2110                                         if(m_selected_amount > stack.count)
2111                                                 m_selected_amount = stack.count;
2112                                         if(!stack.empty())
2113                                                 return stack;
2114                                 }
2115                         }
2116                 }
2117
2118                 // selection was not valid
2119                 delete m_selected_item;
2120                 m_selected_item = NULL;
2121                 m_selected_amount = 0;
2122                 m_selected_dragging = false;
2123         }
2124         return ItemStack();
2125 }
2126
2127 void GUIFormSpecMenu::acceptInput(bool quit=false)
2128 {
2129         if(m_text_dst)
2130         {
2131                 std::map<std::string, std::string> fields;
2132
2133                 if (quit) {
2134                         fields["quit"] = "true";
2135                 }
2136
2137                 if (current_keys_pending.key_down) {
2138                         fields["key_down"] = "true";
2139                         current_keys_pending.key_down = false;
2140                 }
2141
2142                 if (current_keys_pending.key_up) {
2143                         fields["key_up"] = "true";
2144                         current_keys_pending.key_up = false;
2145                 }
2146
2147                 if (current_keys_pending.key_enter) {
2148                         fields["key_enter"] = "true";
2149                         current_keys_pending.key_enter = false;
2150                 }
2151
2152                 if (current_keys_pending.key_escape) {
2153                         fields["key_escape"] = "true";
2154                         current_keys_pending.key_escape = false;
2155                 }
2156
2157                 for(u32 i=0; i<m_fields.size(); i++)
2158                 {
2159                         const FieldSpec &s = m_fields[i];
2160                         if(s.send)
2161                         {
2162                                 if(s.ftype == f_Button)
2163                                 {
2164                                         fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(s.flabel.c_str());
2165                                 }
2166                                 else if(s.ftype == f_ListBox) {
2167                                         std::stringstream ss;
2168
2169                                         if (m_listbox_doubleclick) {
2170                                                 ss << "DCL:";
2171                                         }
2172                                         else {
2173                                                 ss << "CHG:";
2174                                         }
2175                                         ss << (getListboxIndex(wide_to_narrow(s.fname.c_str()))+1);
2176                                         fields[wide_to_narrow(s.fname.c_str())] = ss.str();
2177                                 }
2178                                 else if(s.ftype == f_DropDown) {
2179                                         // no dynamic cast possible due to some distributions shipped
2180                                         // without rtti support in irrlicht
2181                                         IGUIElement * element = getElementFromId(s.fid);
2182                                         gui::IGUIComboBox *e = NULL;
2183                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2184                                                 e = static_cast<gui::IGUIComboBox*>(element);
2185                                         }
2186                                         fields[wide_to_narrow(s.fname.c_str())] =
2187                                                         wide_to_narrow(e->getItem(e->getSelected()));
2188                                 }
2189                                 else if (s.ftype == f_TabHeader) {
2190                                         // no dynamic cast possible due to some distributions shipped
2191                                         // without rtti support in irrlicht
2192                                         IGUIElement * element = getElementFromId(s.fid);
2193                                         gui::IGUITabControl *e = NULL;
2194                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2195                                                 e = static_cast<gui::IGUITabControl*>(element);
2196                                         }
2197
2198                                         if (e != 0) {
2199                                                 std::stringstream ss;
2200                                                 ss << (e->getActiveTab() +1);
2201                                                 fields[wide_to_narrow(s.fname.c_str())] = ss.str();
2202                                         }
2203                                 }
2204                                 else if (s.ftype == f_CheckBox) {
2205                                         // no dynamic cast possible due to some distributions shipped
2206                                         // without rtti support in irrlicht
2207                                         IGUIElement * element = getElementFromId(s.fid);
2208                                         gui::IGUICheckBox *e = NULL;
2209                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2210                                                 e = static_cast<gui::IGUICheckBox*>(element);
2211                                         }
2212
2213                                         if (e != 0) {
2214                                                 if (e->isChecked())
2215                                                         fields[wide_to_narrow(s.fname.c_str())] = "true";
2216                                                 else
2217                                                         fields[wide_to_narrow(s.fname.c_str())] = "false";
2218                                         }
2219                                 }
2220                                 else
2221                                 {
2222                                         IGUIElement* e = getElementFromId(s.fid);
2223                                         if(e != NULL)
2224                                         {
2225                                                 fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(e->getText());
2226                                         }
2227                                 }
2228                         }
2229                 }
2230
2231                 m_text_dst->gotText(fields);
2232         }
2233 }
2234
2235 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2236 {
2237         // Fix Esc/Return key being eaten by checkboxen and listboxen
2238         if(event.EventType==EET_KEY_INPUT_EVENT)
2239         {
2240                 KeyPress kp(event.KeyInput);
2241                 if (kp == EscapeKey || kp == getKeySetting("keymap_inventory")
2242                                 || event.KeyInput.Key==KEY_RETURN)
2243                 {
2244                         gui::IGUIElement *focused = Environment->getFocus();
2245                         if (focused && isMyChild(focused) &&
2246                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2247                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2248                                 OnEvent(event);
2249                                 return true;
2250                         }
2251                 }
2252         }
2253         // Mouse wheel events: send to hovered element instead of focused
2254         if(event.EventType==EET_MOUSE_INPUT_EVENT
2255                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL)
2256         {
2257                 s32 x = event.MouseInput.X;
2258                 s32 y = event.MouseInput.Y;
2259                 gui::IGUIElement *hovered =
2260                         Environment->getRootGUIElement()->getElementFromPoint(
2261                                 core::position2d<s32>(x, y));
2262                 if (hovered && isMyChild(hovered)) {
2263                         hovered->OnEvent(event);
2264                         return true;
2265                 }
2266         }
2267         return false;
2268 }
2269
2270 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
2271 {
2272         if(event.EventType==EET_KEY_INPUT_EVENT)
2273         {
2274                 KeyPress kp(event.KeyInput);
2275                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
2276                         kp == getKeySetting("keymap_inventory")))
2277                 {
2278                         if (m_allowclose) {
2279                                 acceptInput(true);
2280                                 quitMenu();
2281                          } else {
2282                                 m_text_dst->gotText(narrow_to_wide("MenuQuit"));
2283                         }
2284                         return true;
2285                 }
2286                 if (event.KeyInput.PressedDown &&
2287                         (event.KeyInput.Key==KEY_RETURN ||
2288                          event.KeyInput.Key==KEY_UP ||
2289                          event.KeyInput.Key==KEY_DOWN)
2290                         ) {
2291
2292
2293                         switch (event.KeyInput.Key) {
2294                                 case KEY_RETURN:
2295                                         if (m_allowclose) {
2296                                                 acceptInput(true);
2297                                                 quitMenu();
2298                                         }
2299                                         else
2300                                                 current_keys_pending.key_enter = true;
2301                                         break;
2302                                 case KEY_UP:
2303                                         current_keys_pending.key_up = true;
2304                                         break;
2305                                 case KEY_DOWN:
2306                                         current_keys_pending.key_down = true;
2307                                         break;
2308                                 break;
2309                                 default:
2310                                         //can't happen at all!
2311                                         assert("reached a source line that can't ever been reached" == 0);
2312                                         break;
2313                         }
2314                         acceptInput();
2315                         return true;
2316                 }
2317
2318         }
2319         if(event.EventType==EET_MOUSE_INPUT_EVENT
2320                         && event.MouseInput.Event != EMIE_MOUSE_MOVED)
2321         {
2322                 // Mouse event other than movement
2323
2324                 // Get selected item and hovered/clicked item (s)
2325
2326                 updateSelectedItem();
2327                 ItemSpec s = getItemAtPos(m_pointer);
2328
2329                 Inventory *inv_selected = NULL;
2330                 Inventory *inv_s = NULL;
2331
2332                 if(m_selected_item)
2333                 {
2334                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
2335                         assert(inv_selected);
2336                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
2337                 }
2338
2339                 u32 s_count = 0;
2340
2341                 if(s.isValid())
2342                 do{ // breakable
2343                         inv_s = m_invmgr->getInventory(s.inventoryloc);
2344
2345                         if(!inv_s){
2346                                 errorstream<<"InventoryMenu: The selected inventory location "
2347                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2348                                                 <<std::endl;
2349                                 s.i = -1;  // make it invalid again
2350                                 break;
2351                         }
2352
2353                         InventoryList *list = inv_s->getList(s.listname);
2354                         if(list == NULL){
2355                                 verbosestream<<"InventoryMenu: The selected inventory list \""
2356                                                 <<s.listname<<"\" does not exist"<<std::endl;
2357                                 s.i = -1;  // make it invalid again
2358                                 break;
2359                         }
2360
2361                         if((u32)s.i >= list->getSize()){
2362                                 infostream<<"InventoryMenu: The selected inventory list \""
2363                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
2364                                                 <<list->getSize()<<")"<<std::endl;
2365                                 s.i = -1;  // make it invalid again
2366                                 break;
2367                         }
2368
2369                         s_count = list->getItem(s.i).count;
2370                 }while(0);
2371
2372                 bool identical = (m_selected_item != NULL) && s.isValid() &&
2373                         (inv_selected == inv_s) &&
2374                         (m_selected_item->listname == s.listname) &&
2375                         (m_selected_item->i == s.i);
2376
2377                 // buttons: 0 = left, 1 = right, 2 = middle
2378                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event
2379                 int button = 0;
2380                 int updown = 2;
2381                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
2382                         { button = 0; updown = 0; }
2383                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
2384                         { button = 1; updown = 0; }
2385                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
2386                         { button = 2; updown = 0; }
2387                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
2388                         { button = 0; updown = 1; }
2389                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
2390                         { button = 1; updown = 1; }
2391                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
2392                         { button = 2; updown = 1; }
2393
2394                 // Set this number to a positive value to generate a move action
2395                 // from m_selected_item to s.
2396                 u32 move_amount = 0;
2397
2398                 // Set this number to a positive value to generate a drop action
2399                 // from m_selected_item.
2400                 u32 drop_amount = 0;
2401
2402                 // Set this number to a positive value to generate a craft action at s.
2403                 u32 craft_amount = 0;
2404
2405                 if(updown == 0)
2406                 {
2407                         // Some mouse button has been pressed
2408
2409                         //infostream<<"Mouse button "<<button<<" pressed at p=("
2410                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
2411
2412                         m_selected_dragging = false;
2413
2414                         if(s.isValid() && s.listname == "craftpreview")
2415                         {
2416                                 // Craft preview has been clicked: craft
2417                                 craft_amount = (button == 2 ? 10 : 1);
2418                         }
2419                         else if(m_selected_item == NULL)
2420                         {
2421                                 if(s_count != 0)
2422                                 {
2423                                         // Non-empty stack has been clicked: select it
2424                                         m_selected_item = new ItemSpec(s);
2425
2426                                         if(button == 1)  // right
2427                                                 m_selected_amount = (s_count + 1) / 2;
2428                                         else if(button == 2)  // middle
2429                                                 m_selected_amount = MYMIN(s_count, 10);
2430                                         else  // left
2431                                                 m_selected_amount = s_count;
2432
2433                                         m_selected_dragging = true;
2434                                 }
2435                         }
2436                         else  // m_selected_item != NULL
2437                         {
2438                                 assert(m_selected_amount >= 1);
2439
2440                                 if(s.isValid())
2441                                 {
2442                                         // Clicked a slot: move
2443                                         if(button == 1)  // right
2444                                                 move_amount = 1;
2445                                         else if(button == 2)  // middle
2446                                                 move_amount = MYMIN(m_selected_amount, 10);
2447                                         else  // left
2448                                                 move_amount = m_selected_amount;
2449
2450                                         if(identical)
2451                                         {
2452                                                 if(move_amount >= m_selected_amount)
2453                                                         m_selected_amount = 0;
2454                                                 else
2455                                                         m_selected_amount -= move_amount;
2456                                                 move_amount = 0;
2457                                         }
2458                                 }
2459                                 else if(getAbsoluteClippingRect().isPointInside(m_pointer))
2460                                 {
2461                                         // Clicked somewhere else: deselect
2462                                         m_selected_amount = 0;
2463                                 }
2464                                 else
2465                                 {
2466                                         // Clicked outside of the window: drop
2467                                         if(button == 1)  // right
2468                                                 drop_amount = 1;
2469                                         else if(button == 2)  // middle
2470                                                 drop_amount = MYMIN(m_selected_amount, 10);
2471                                         else  // left
2472                                                 drop_amount = m_selected_amount;
2473                                 }
2474                         }
2475                 }
2476                 else if(updown == 1)
2477                 {
2478                         // Some mouse button has been released
2479
2480                         //infostream<<"Mouse button "<<button<<" released at p=("
2481                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
2482
2483                         if(m_selected_item != NULL && m_selected_dragging && s.isValid())
2484                         {
2485                                 if(!identical)
2486                                 {
2487                                         // Dragged to different slot: move all selected
2488                                         move_amount = m_selected_amount;
2489                                 }
2490                         }
2491                         else if(m_selected_item != NULL && m_selected_dragging &&
2492                                 !(getAbsoluteClippingRect().isPointInside(m_pointer)))
2493                         {
2494                                 // Dragged outside of window: drop all selected
2495                                 drop_amount = m_selected_amount;
2496                         }
2497
2498                         m_selected_dragging = false;
2499                 }
2500
2501                 // Possibly send inventory action to server
2502                 if(move_amount > 0)
2503                 {
2504                         // Send IACTION_MOVE
2505
2506                         assert(m_selected_item && m_selected_item->isValid());
2507                         assert(s.isValid());
2508
2509                         assert(inv_selected && inv_s);
2510                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
2511                         InventoryList *list_to = inv_s->getList(s.listname);
2512                         assert(list_from && list_to);
2513                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
2514                         ItemStack stack_to = list_to->getItem(s.i);
2515
2516                         // Check how many items can be moved
2517                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
2518                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
2519                         // If source stack cannot be added to destination stack at all,
2520                         // they are swapped
2521                         if(leftover.count == stack_from.count && leftover.name == stack_from.name)
2522                         {
2523                                 m_selected_amount = stack_to.count;
2524                                 // In case the server doesn't directly swap them but instead
2525                                 // moves stack_to somewhere else, set this
2526                                 m_selected_content_guess = stack_to;
2527                                 m_selected_content_guess_inventory = s.inventoryloc;
2528                         }
2529                         // Source stack goes fully into destination stack
2530                         else if(leftover.empty())
2531                         {
2532                                 m_selected_amount -= move_amount;
2533                                 m_selected_content_guess = ItemStack(); // Clear
2534                         }
2535                         // Source stack goes partly into destination stack
2536                         else
2537                         {
2538                                 move_amount -= leftover.count;
2539                                 m_selected_amount -= move_amount;
2540                                 m_selected_content_guess = ItemStack(); // Clear
2541                         }
2542
2543                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
2544                         IMoveAction *a = new IMoveAction();
2545                         a->count = move_amount;
2546                         a->from_inv = m_selected_item->inventoryloc;
2547                         a->from_list = m_selected_item->listname;
2548                         a->from_i = m_selected_item->i;
2549                         a->to_inv = s.inventoryloc;
2550                         a->to_list = s.listname;
2551                         a->to_i = s.i;
2552                         m_invmgr->inventoryAction(a);
2553                 }
2554                 else if(drop_amount > 0)
2555                 {
2556                         m_selected_content_guess = ItemStack(); // Clear
2557
2558                         // Send IACTION_DROP
2559
2560                         assert(m_selected_item && m_selected_item->isValid());
2561                         assert(inv_selected);
2562                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
2563                         assert(list_from);
2564                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
2565
2566                         // Check how many items can be dropped
2567                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
2568                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
2569                         m_selected_amount -= drop_amount;
2570
2571                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
2572                         IDropAction *a = new IDropAction();
2573                         a->count = drop_amount;
2574                         a->from_inv = m_selected_item->inventoryloc;
2575                         a->from_list = m_selected_item->listname;
2576                         a->from_i = m_selected_item->i;
2577                         m_invmgr->inventoryAction(a);
2578                 }
2579                 else if(craft_amount > 0)
2580                 {
2581                         m_selected_content_guess = ItemStack(); // Clear
2582
2583                         // Send IACTION_CRAFT
2584
2585                         assert(s.isValid());
2586                         assert(inv_s);
2587
2588                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
2589                         ICraftAction *a = new ICraftAction();
2590                         a->count = craft_amount;
2591                         a->craft_inv = s.inventoryloc;
2592                         m_invmgr->inventoryAction(a);
2593                 }
2594
2595                 // If m_selected_amount has been decreased to zero, deselect
2596                 if(m_selected_amount == 0)
2597                 {
2598                         delete m_selected_item;
2599                         m_selected_item = NULL;
2600                         m_selected_amount = 0;
2601                         m_selected_dragging = false;
2602                         m_selected_content_guess = ItemStack();
2603                 }
2604         }
2605         if(event.EventType==EET_GUI_EVENT)
2606         {
2607
2608                 if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
2609                                                 && isVisible())
2610                 {
2611                         // find the element that was clicked
2612                         for(u32 i=0; i<m_fields.size(); i++)
2613                         {
2614                                 FieldSpec &s = m_fields[i];
2615                                 // if its a button, set the send field so
2616                                 // lua knows which button was pressed
2617                                 if ((s.ftype == f_TabHeader) && (s.fid == event.GUIEvent.Caller->getID()))
2618                                 {
2619                                         s.send = true;
2620                                         acceptInput();
2621                                         s.send = false;
2622                                         return true;
2623                                 }
2624                         }
2625                 }
2626                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
2627                                 && isVisible())
2628                 {
2629                         if(!canTakeFocus(event.GUIEvent.Element))
2630                         {
2631                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
2632                                                 <<std::endl;
2633                                 // Returning true disables focus change
2634                                 return true;
2635                         }
2636                 }
2637                 if((event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED) ||
2638                                 (event.GUIEvent.EventType==gui::EGET_CHECKBOX_CHANGED))
2639                 {
2640                         unsigned int btn_id = event.GUIEvent.Caller->getID();
2641
2642                         if (btn_id == 257) {
2643                                 if (m_allowclose) {
2644                                         acceptInput(true);
2645                                         quitMenu();
2646                                 } else {
2647                                         acceptInput();
2648                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
2649                                 }
2650                                 // quitMenu deallocates menu
2651                                 return true;
2652                         }
2653
2654                         // find the element that was clicked
2655                         for(u32 i=0; i<m_fields.size(); i++)
2656                         {
2657                                 FieldSpec &s = m_fields[i];
2658                                 // if its a button, set the send field so
2659                                 // lua knows which button was pressed
2660                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
2661                                                 (s.fid == event.GUIEvent.Caller->getID()))
2662                                 {
2663                                         s.send = true;
2664                                         acceptInput();
2665                                         if(s.is_exit){
2666                                                 if (m_allowclose) {
2667                                                         acceptInput(true);
2668                                                         quitMenu();
2669                                                 } else {
2670                                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
2671                                                 }
2672                                                 return true;
2673                                         }else{
2674                                                 s.send = false;
2675                                                 return true;
2676                                         }
2677                                 }
2678                         }
2679                 }
2680                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
2681                 {
2682                         if(event.GUIEvent.Caller->getID() > 257)
2683                         {
2684
2685                                 if (m_allowclose) {
2686                                         acceptInput(true);
2687                                         quitMenu();
2688                                 }
2689                                 else {
2690                                         current_keys_pending.key_enter = true;
2691                                         acceptInput();
2692                                 }
2693                                 // quitMenu deallocates menu
2694                                 return true;
2695                         }
2696                 }
2697
2698                 if((event.GUIEvent.EventType==gui::EGET_LISTBOX_SELECTED_AGAIN) ||
2699                         (event.GUIEvent.EventType==gui::EGET_LISTBOX_CHANGED))
2700                 {
2701                         int current_id = event.GUIEvent.Caller->getID();
2702                         if(current_id > 257)
2703                         {
2704                                 // find the element that was clicked
2705                                 for(u32 i=0; i<m_fields.size(); i++)
2706                                 {
2707                                         FieldSpec &s = m_fields[i];
2708                                         // if its a listbox, set the send field so
2709                                         // lua knows which listbox was changed
2710                                         // checkListboxClick() is black magic
2711                                         // for properly handling double clicks
2712                                         if ((s.ftype == f_ListBox) && (s.fid == current_id)
2713                                                         && checkListboxClick(s.fname,
2714                                                                 event.GUIEvent.EventType))
2715                                         {
2716                                                 s.send = true;
2717                                                 acceptInput();
2718                                                 s.send=false;
2719                                         }
2720                                 }
2721                                 return true;
2722                         }
2723                 }
2724         }
2725
2726         return Parent ? Parent->OnEvent(event) : false;
2727 }
2728
2729 static inline bool hex_digit_decode(char hexdigit, unsigned char &value)
2730 {
2731         if(hexdigit >= '0' && hexdigit <= '9')
2732                 value = hexdigit - '0';
2733         else if(hexdigit >= 'A' && hexdigit <= 'F')
2734                 value = hexdigit - 'A' + 10;
2735         else if(hexdigit >= 'a' && hexdigit <= 'f')
2736                 value = hexdigit - 'a' + 10;
2737         else
2738                 return false;
2739         return true;
2740 }
2741
2742 bool GUIFormSpecMenu::parseColor(std::string &value, video::SColor &color, bool quiet)
2743 {
2744         const char *hexpattern = NULL;
2745         if (value[0] == '#') {
2746                 if (value.size() == 9)
2747                         hexpattern = "#RRGGBBAA";
2748                 else if (value.size() == 7)
2749                         hexpattern = "#RRGGBB";
2750                 else if (value.size() == 5)
2751                         hexpattern = "#RGBA";
2752                 else if (value.size() == 4)
2753                         hexpattern = "#RGB";
2754         }
2755
2756         if (hexpattern) {
2757                 assert(strlen(hexpattern) == value.size());
2758                 video::SColor outcolor(255, 255, 255, 255);
2759                 for (size_t pos = 0; pos < value.size(); ++pos) {
2760                         // '#' in the pattern means skip that character
2761                         if (hexpattern[pos] == '#')
2762                                 continue;
2763
2764                         // Else assume hexpattern[pos] is one of 'R' 'G' 'B' 'A'
2765                         // Read one or two digits, depending on hexpattern
2766                         unsigned char c1, c2;
2767                         if (hexpattern[pos+1] == hexpattern[pos]) {
2768                                 // Two digits, e.g. hexpattern == "#RRGGBB"
2769                                 if (!hex_digit_decode(value[pos], c1) ||
2770                                     !hex_digit_decode(value[pos+1], c2))
2771                                         goto fail;
2772                                 ++pos;
2773                         }
2774                         else {
2775                                 // One digit, e.g. hexpattern == "#RGB"
2776                                 if (!hex_digit_decode(value[pos], c1))
2777                                         goto fail;
2778                                 c2 = c1;
2779                         }
2780                         u32 colorpart = ((c1 & 0x0f) << 4) | (c2 & 0x0f);
2781
2782                         // Update outcolor with newly read color part
2783                         if (hexpattern[pos] == 'R')
2784                                 outcolor.setRed(colorpart);
2785                         else if (hexpattern[pos] == 'G')
2786                                 outcolor.setGreen(colorpart);
2787                         else if (hexpattern[pos] == 'B')
2788                                 outcolor.setBlue(colorpart);
2789                         else if (hexpattern[pos] == 'A')
2790                                 outcolor.setAlpha(colorpart);
2791                 }
2792
2793                 color = outcolor;
2794                 return true;
2795         }
2796
2797         // Optionally, named colors could be implemented here
2798
2799 fail:
2800         if (!quiet)
2801                 errorstream<<"Invalid color: \""<<value<<"\""<<std::endl;
2802         return false;
2803 }