cbba313bccbcbbbdb70bd6f52906ec31e499936f
[oweals/minetest.git] / src / guiFormSpecMenu.cpp
1 /*
2 Minetest
3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20
21 #include <cstdlib>
22 #include <algorithm>
23 #include <iterator>
24 #include <sstream>
25 #include <limits>
26 #include "guiFormSpecMenu.h"
27 #include "guiTable.h"
28 #include "constants.h"
29 #include "gamedef.h"
30 #include "keycode.h"
31 #include "strfnd.h"
32 #include <IGUICheckBox.h>
33 #include <IGUIEditBox.h>
34 #include <IGUIButton.h>
35 #include <IGUIStaticText.h>
36 #include <IGUIFont.h>
37 #include <IGUITabControl.h>
38 #include <IGUIComboBox.h>
39 #include "log.h"
40 #include "tile.h" // ITextureSource
41 #include "hud.h" // drawItemStack
42 #include "hex.h"
43 #include "util/string.h"
44 #include "util/numeric.h"
45 #include "filesys.h"
46 #include "gettime.h"
47 #include "gettext.h"
48 #include "scripting_game.h"
49 #include "porting.h"
50 #include "main.h"
51 #include "settings.h"
52 #include "client.h"
53
54 #define MY_CHECKPOS(a,b)                                                                                                        \
55         if (v_pos.size() != 2) {                                                                                                \
56                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
57                         << parts[b] << "\"" << std::endl;                                                               \
58                         return;                                                                                                                 \
59         }
60
61 #define MY_CHECKGEOM(a,b)                                                                                                       \
62         if (v_geom.size() != 2) {                                                                                               \
63                 errorstream<< "Invalid pos for element " << a << "specified: \""        \
64                         << parts[b] << "\"" << std::endl;                                                               \
65                         return;                                                                                                                 \
66         }
67 /*
68         GUIFormSpecMenu
69 */
70
71 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
72                 gui::IGUIElement* parent, s32 id, IMenuManager *menumgr,
73                 InventoryManager *invmgr, IGameDef *gamedef,
74                 ISimpleTextureSource *tsrc, IFormSource* fsrc, TextDest* tdst,
75                 GUIFormSpecMenu** ext_ptr, Client* client) :
76         GUIModalMenu(dev->getGUIEnvironment(), parent, id, menumgr),
77         m_device(dev),
78         m_invmgr(invmgr),
79         m_gamedef(gamedef),
80         m_tsrc(tsrc),
81         m_client(client),
82         m_selected_item(NULL),
83         m_selected_amount(0),
84         m_selected_dragging(false),
85         m_tooltip_element(NULL),
86         m_old_tooltip_id(-1),
87         m_allowclose(true),
88         m_lock(false),
89         m_form_src(fsrc),
90         m_text_dst(tdst),
91         m_ext_ptr(ext_ptr),
92         m_font(dev->getGUIEnvironment()->getSkin()->getFont()),
93         m_formspec_version(0)
94 #ifdef __ANDROID__
95         ,m_JavaDialogFieldName(L"")
96 #endif
97 {
98         current_keys_pending.key_down = false;
99         current_keys_pending.key_up = false;
100         current_keys_pending.key_enter = false;
101         current_keys_pending.key_escape = false;
102
103         m_doubleclickdetect[0].time = 0;
104         m_doubleclickdetect[1].time = 0;
105
106         m_doubleclickdetect[0].pos = v2s32(0, 0);
107         m_doubleclickdetect[1].pos = v2s32(0, 0);
108
109         m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
110
111         m_btn_height = g_settings->getS32("font_size") +2;
112         assert(m_btn_height > 0);
113 }
114
115 GUIFormSpecMenu::~GUIFormSpecMenu()
116 {
117         removeChildren();
118
119         for (u32 i = 0; i < m_tables.size(); ++i) {
120                 GUITable *table = m_tables[i].second;
121                 table->drop();
122         }
123
124         delete m_selected_item;
125
126         if (m_form_src != NULL) {
127                 delete m_form_src;
128         }
129         if (m_text_dst != NULL) {
130                 delete m_text_dst;
131         }
132
133         if (m_ext_ptr != NULL) {
134                 assert(*m_ext_ptr == this);
135                 *m_ext_ptr = NULL;
136         }
137 }
138
139 void GUIFormSpecMenu::removeChildren()
140 {
141         const core::list<gui::IGUIElement*> &children = getChildren();
142
143         while(!children.empty()) {
144                 (*children.getLast())->remove();
145         }
146
147         if(m_tooltip_element) {
148                 m_tooltip_element->remove();
149                 m_tooltip_element->drop();
150                 m_tooltip_element = NULL;
151         }
152
153 }
154
155 void GUIFormSpecMenu::setInitialFocus()
156 {
157         // Set initial focus according to following order of precedence:
158         // 1. first empty editbox
159         // 2. first editbox
160         // 3. first table
161         // 4. last button
162         // 5. first focusable (not statictext, not tabheader)
163         // 6. first child element
164
165         core::list<gui::IGUIElement*> children = getChildren();
166
167         // in case "children" contains any NULL elements, remove them
168         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
169                         it != children.end();) {
170                 if (*it)
171                         ++it;
172                 else
173                         it = children.erase(it);
174         }
175
176         // 1. first empty editbox
177         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
178                         it != children.end(); ++it) {
179                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX
180                                 && (*it)->getText()[0] == 0) {
181                         Environment->setFocus(*it);
182                         return;
183                 }
184         }
185
186         // 2. first editbox
187         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
188                         it != children.end(); ++it) {
189                 if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
190                         Environment->setFocus(*it);
191                         return;
192                 }
193         }
194
195         // 3. first table
196         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
197                         it != children.end(); ++it) {
198                 if ((*it)->getTypeName() == std::string("GUITable")) {
199                         Environment->setFocus(*it);
200                         return;
201                 }
202         }
203
204         // 4. last button
205         for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
206                         it != children.end(); --it) {
207                 if ((*it)->getType() == gui::EGUIET_BUTTON) {
208                         Environment->setFocus(*it);
209                         return;
210                 }
211         }
212
213         // 5. first focusable (not statictext, not tabheader)
214         for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
215                         it != children.end(); ++it) {
216                 if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
217                                 (*it)->getType() != gui::EGUIET_TAB_CONTROL) {
218                         Environment->setFocus(*it);
219                         return;
220                 }
221         }
222
223         // 6. first child element
224         if (children.empty())
225                 Environment->setFocus(this);
226         else
227                 Environment->setFocus(*(children.begin()));
228 }
229
230 GUITable* GUIFormSpecMenu::getTable(std::wstring tablename)
231 {
232         for (u32 i = 0; i < m_tables.size(); ++i) {
233                 if (tablename == m_tables[i].first.fname)
234                         return m_tables[i].second;
235         }
236         return 0;
237 }
238
239 std::vector<std::string> split(const std::string &s, char delim) {
240         std::vector<std::string> tokens;
241
242         std::string current = "";
243         bool last_was_escape = false;
244         for(unsigned int i=0; i < s.size(); i++) {
245                 if (last_was_escape) {
246                         current += '\\';
247                         current += s.c_str()[i];
248                         last_was_escape = false;
249                 }
250                 else {
251                         if (s.c_str()[i] == delim) {
252                                 tokens.push_back(current);
253                                 current = "";
254                                 last_was_escape = false;
255                         }
256                         else if (s.c_str()[i] == '\\'){
257                                 last_was_escape = true;
258                         }
259                         else {
260                                 current += s.c_str()[i];
261                                 last_was_escape = false;
262                         }
263                 }
264         }
265         //push last element
266         tokens.push_back(current);
267
268         return tokens;
269 }
270
271 void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
272 {
273         std::vector<std::string> parts = split(element,',');
274
275         if (((parts.size() == 2) || parts.size() == 3) ||
276                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
277         {
278                 v2f invsize;
279
280                 if (parts[1].find(';') != std::string::npos)
281                         parts[1] = parts[1].substr(0,parts[1].find(';'));
282
283                 invsize.X = stof(parts[0]);
284                 invsize.Y = stof(parts[1]);
285
286                 lockSize(false);
287                 if (parts.size() == 3) {
288                         if (parts[2] == "true") {
289                                 lockSize(true,v2u32(800,600));
290                         }
291                 }
292
293                 double cur_scaling = porting::getDisplayDensity() *
294                                 g_settings->getFloat("gui_scaling");
295
296                 if (m_lock) {
297                         v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
298                         v2u32 delta = current_screensize - m_lockscreensize;
299
300                         if (current_screensize.Y > m_lockscreensize.Y)
301                                 delta.Y /= 2;
302                         else
303                                 delta.Y = 0;
304
305                         if (current_screensize.X > m_lockscreensize.X)
306                                 delta.X /= 2;
307                         else
308                                 delta.X = 0;
309
310                         offset = v2s32(delta.X,delta.Y);
311
312                         data->screensize = m_lockscreensize;
313
314                         // fixed scaling for fixed size gui elements */
315                         cur_scaling = LEGACY_SCALING;
316                 }
317                 else {
318                         offset = v2s32(0,0);
319                 }
320
321                 /* adjust image size to dpi */
322                 int y_partition = 15;
323                 imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
324                 int min_imgsize = DEFAULT_IMGSIZE * cur_scaling;
325                 while ((min_imgsize > imgsize.Y) && (y_partition > 1)) {
326                         y_partition--;
327                         imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
328                 }
329                 assert(y_partition > 0);
330
331                 /* adjust spacing to dpi */
332                 spacing = v2s32(imgsize.X+(DEFAULT_XSPACING * cur_scaling),
333                                 imgsize.Y+(DEFAULT_YSPACING * cur_scaling));
334
335                 padding = v2s32(data->screensize.Y/imgsize.Y, data->screensize.Y/imgsize.Y);
336
337                 /* adjust padding to dpi */
338                 padding = v2s32(
339                                 (padding.X/(2.0/3.0)) * cur_scaling,
340                                 (padding.X/(2.0/3.0)) * cur_scaling
341                                 );
342                 data->size = v2s32(
343                         padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
344                         padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + m_btn_height - 5
345                 );
346                 data->rect = core::rect<s32>(
347                                 data->screensize.X/2 - data->size.X/2 + offset.X,
348                                 data->screensize.Y/2 - data->size.Y/2 + offset.Y,
349                                 data->screensize.X/2 + data->size.X/2 + offset.X,
350                                 data->screensize.Y/2 + data->size.Y/2 + offset.Y
351                 );
352
353                 DesiredRect = data->rect;
354                 recalculateAbsolutePosition(false);
355                 data->basepos = getBasePos();
356                 data->bp_set = 2;
357                 return;
358         }
359         errorstream<< "Invalid size element (" << parts.size() << "): '" << element << "'"  << std::endl;
360 }
361
362 void GUIFormSpecMenu::parseList(parserData* data,std::string element)
363 {
364         if (m_gamedef == 0) {
365                 errorstream<<"WARNING: invalid use of 'list' with m_gamedef==0"<<std::endl;
366                 return;
367         }
368
369         std::vector<std::string> parts = split(element,';');
370
371         if (((parts.size() == 4) || (parts.size() == 5)) ||
372                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
373         {
374                 std::string location = parts[0];
375                 std::string listname = parts[1];
376                 std::vector<std::string> v_pos  = split(parts[2],',');
377                 std::vector<std::string> v_geom = split(parts[3],',');
378                 std::string startindex = "";
379                 if (parts.size() == 5)
380                         startindex = parts[4];
381
382                 MY_CHECKPOS("list",2);
383                 MY_CHECKGEOM("list",3);
384
385                 InventoryLocation loc;
386
387                 if(location == "context" || location == "current_name")
388                         loc = m_current_inventory_location;
389                 else
390                         loc.deSerialize(location);
391
392                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
393                 pos.X += stof(v_pos[0]) * (float)spacing.X;
394                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
395
396                 v2s32 geom;
397                 geom.X = stoi(v_geom[0]);
398                 geom.Y = stoi(v_geom[1]);
399
400                 s32 start_i = 0;
401                 if(startindex != "")
402                         start_i = stoi(startindex);
403
404                 if (geom.X < 0 || geom.Y < 0 || start_i < 0) {
405                         errorstream<< "Invalid list element: '" << element << "'"  << std::endl;
406                         return;
407                 }
408
409                 if(data->bp_set != 2)
410                         errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
411                 m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
412                 return;
413         }
414         errorstream<< "Invalid list element(" << parts.size() << "): '" << element << "'"  << std::endl;
415 }
416
417 void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
418 {
419         std::vector<std::string> parts = split(element,';');
420
421         if (((parts.size() >= 3) || (parts.size() <= 4)) ||
422                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
423         {
424                 std::vector<std::string> v_pos = split(parts[0],',');
425                 std::string name = parts[1];
426                 std::string label = parts[2];
427                 std::string selected = "";
428
429                 if (parts.size() >= 4)
430                         selected = parts[3];
431
432                 MY_CHECKPOS("checkbox",0);
433
434                 v2s32 pos = padding;
435                 pos.X += stof(v_pos[0]) * (float) spacing.X;
436                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
437
438                 bool fselected = false;
439
440                 if (selected == "true")
441                         fselected = true;
442
443                 std::wstring wlabel = narrow_to_wide(label.c_str());
444
445                 core::rect<s32> rect = core::rect<s32>(
446                                 pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
447                                 pos.X + m_font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
448                                 pos.Y + ((imgsize.Y/2) + m_btn_height));
449
450                 FieldSpec spec(
451                                 narrow_to_wide(name.c_str()),
452                                 wlabel, //Needed for displaying text on MSVC
453                                 wlabel,
454                                 258+m_fields.size()
455                         );
456
457                 spec.ftype = f_CheckBox;
458
459                 gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
460                                         spec.fid, spec.flabel.c_str());
461
462                 if (spec.fname == data->focused_fieldname) {
463                         Environment->setFocus(e);
464                 }
465
466                 m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
467                 m_fields.push_back(spec);
468                 return;
469         }
470         errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
471 }
472
473 void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
474 {
475         std::vector<std::string> parts = split(element,';');
476
477         if (parts.size() >= 5) {
478                 std::vector<std::string> v_pos = split(parts[0],',');
479                 std::vector<std::string> v_dim = split(parts[1],',');
480                 std::string name = parts[2];
481                 std::string value = parts[4];
482
483                 MY_CHECKPOS("scrollbar",0);
484
485                 v2s32 pos = padding;
486                 pos.X += stof(v_pos[0]) * (float) spacing.X;
487                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
488
489                 if (v_dim.size() != 2) {
490                         errorstream<< "Invalid size for element " << "scrollbar"
491                                 << "specified: \"" << parts[1] << "\"" << std::endl;
492                         return;
493                 }
494
495                 v2s32 dim;
496                 dim.X = stof(v_dim[0]) * (float) spacing.X;
497                 dim.Y = stof(v_dim[1]) * (float) spacing.Y;
498
499                 core::rect<s32> rect =
500                                 core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
501
502                 FieldSpec spec(
503                                 narrow_to_wide(name.c_str()),
504                                 L"",
505                                 L"",
506                                 258+m_fields.size()
507                         );
508
509                 bool is_horizontal = true;
510
511                 if (parts[2] == "vertical")
512                         is_horizontal = false;
513
514                 spec.ftype = f_ScrollBar;
515                 spec.send  = true;
516                 gui::IGUIScrollBar* e =
517                                 Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
518
519                 e->setMax(1000);
520                 e->setMin(0);
521                 e->setPos(stoi(parts[4]));
522                 e->setSmallStep(10);
523                 e->setLargeStep(100);
524
525                 if (!m_lock) {
526                         core::rect<s32> relative_rect = e->getRelativePosition();
527
528                         if (!is_horizontal) {
529                                 s32 original_width = relative_rect.getWidth();
530                                 s32 width = (original_width/(2.0/3.0))
531                                                 * porting::getDisplayDensity()
532                                                 * g_settings->getFloat("gui_scaling");
533                                 e->setRelativePosition(core::rect<s32>(
534                                                 relative_rect.UpperLeftCorner.X,
535                                                 relative_rect.UpperLeftCorner.Y,
536                                                 relative_rect.LowerRightCorner.X + (width - original_width),
537                                                 relative_rect.LowerRightCorner.Y
538                                         ));
539                         }
540                         else  {
541                                 s32 original_height = relative_rect.getHeight();
542                                 s32 height = (original_height/(2.0/3.0))
543                                                 * porting::getDisplayDensity()
544                                                 * g_settings->getFloat("gui_scaling");
545                                 e->setRelativePosition(core::rect<s32>(
546                                                 relative_rect.UpperLeftCorner.X,
547                                                 relative_rect.UpperLeftCorner.Y,
548                                                 relative_rect.LowerRightCorner.X,
549                                                 relative_rect.LowerRightCorner.Y + (height - original_height)
550                                         ));
551                         }
552                 }
553
554                 m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
555                 m_fields.push_back(spec);
556                 return;
557         }
558         errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
559 }
560
561 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
562 {
563         std::vector<std::string> parts = split(element,';');
564
565         if ((parts.size() == 3) ||
566                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
567         {
568                 std::vector<std::string> v_pos = split(parts[0],',');
569                 std::vector<std::string> v_geom = split(parts[1],',');
570                 std::string name = unescape_string(parts[2]);
571
572                 MY_CHECKPOS("image",0);
573                 MY_CHECKGEOM("image",1);
574
575                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
576                 pos.X += stof(v_pos[0]) * (float) spacing.X;
577                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
578
579                 v2s32 geom;
580                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
581                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
582
583                 if(data->bp_set != 2)
584                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
585                 m_images.push_back(ImageDrawSpec(name, pos, geom));
586                 return;
587         }
588
589         if (parts.size() == 2) {
590                 std::vector<std::string> v_pos = split(parts[0],',');
591                 std::string name = unescape_string(parts[1]);
592
593                 MY_CHECKPOS("image",0);
594
595                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
596                 pos.X += stof(v_pos[0]) * (float) spacing.X;
597                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
598
599                 if(data->bp_set != 2)
600                         errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
601                 m_images.push_back(ImageDrawSpec(name, pos));
602                 return;
603         }
604         errorstream<< "Invalid image element(" << parts.size() << "): '" << element << "'"  << std::endl;
605 }
606
607 void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
608 {
609         std::vector<std::string> parts = split(element,';');
610
611         if ((parts.size() == 3) ||
612                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
613         {
614                 std::vector<std::string> v_pos = split(parts[0],',');
615                 std::vector<std::string> v_geom = split(parts[1],',');
616                 std::string name = parts[2];
617
618                 MY_CHECKPOS("itemimage",0);
619                 MY_CHECKGEOM("itemimage",1);
620
621                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
622                 pos.X += stof(v_pos[0]) * (float) spacing.X;
623                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
624
625                 v2s32 geom;
626                 geom.X = stof(v_geom[0]) * (float)imgsize.X;
627                 geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
628
629                 if(data->bp_set != 2)
630                         errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
631                 m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
632                 return;
633         }
634         errorstream<< "Invalid ItemImage element(" << parts.size() << "): '" << element << "'"  << std::endl;
635 }
636
637 void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
638                 std::string type)
639 {
640         std::vector<std::string> parts = split(element,';');
641
642         if ((parts.size() == 4) ||
643                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
644         {
645                 std::vector<std::string> v_pos = split(parts[0],',');
646                 std::vector<std::string> v_geom = split(parts[1],',');
647                 std::string name = parts[2];
648                 std::string label = parts[3];
649
650                 MY_CHECKPOS("button",0);
651                 MY_CHECKGEOM("button",1);
652
653                 v2s32 pos = padding;
654                 pos.X += stof(v_pos[0]) * (float)spacing.X;
655                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
656
657                 v2s32 geom;
658                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
659                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
660
661                 core::rect<s32> rect =
662                                 core::rect<s32>(pos.X, pos.Y - m_btn_height,
663                                                 pos.X + geom.X, pos.Y + m_btn_height);
664
665                 if(data->bp_set != 2)
666                         errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
667
668                 label = unescape_string(label);
669
670                 std::wstring wlabel = narrow_to_wide(label.c_str());
671
672                 FieldSpec spec(
673                         narrow_to_wide(name.c_str()),
674                         wlabel,
675                         L"",
676                         258+m_fields.size()
677                 );
678                 spec.ftype = f_Button;
679                 if(type == "button_exit")
680                         spec.is_exit = true;
681                 gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
682                                 spec.flabel.c_str());
683
684                 if (spec.fname == data->focused_fieldname) {
685                         Environment->setFocus(e);
686                 }
687
688                 m_fields.push_back(spec);
689                 return;
690         }
691         errorstream<< "Invalid button element(" << parts.size() << "): '" << element << "'"  << std::endl;
692 }
693
694 void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
695 {
696         std::vector<std::string> parts = split(element,';');
697
698         if (((parts.size() == 3) || (parts.size() == 4)) ||
699                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
700         {
701                 std::vector<std::string> v_pos = split(parts[0],',');
702                 std::vector<std::string> v_geom = split(parts[1],',');
703                 std::string name = unescape_string(parts[2]);
704
705                 MY_CHECKPOS("background",0);
706                 MY_CHECKGEOM("background",1);
707
708                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
709                 pos.X += stof(v_pos[0]) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
710                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
711
712                 v2s32 geom;
713                 geom.X = stof(v_geom[0]) * (float)spacing.X;
714                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
715
716                 if (parts.size() == 4) {
717                         m_clipbackground = is_yes(parts[3]);
718                         if (m_clipbackground) {
719                                 pos.X = stoi(v_pos[0]); //acts as offset
720                                 pos.Y = stoi(v_pos[1]); //acts as offset
721                         }
722                 }
723
724                 if(data->bp_set != 2)
725                         errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
726                 m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
727                 return;
728         }
729         errorstream<< "Invalid background element(" << parts.size() << "): '" << element << "'"  << std::endl;
730 }
731
732 void GUIFormSpecMenu::parseTableOptions(parserData* data,std::string element)
733 {
734         std::vector<std::string> parts = split(element,';');
735
736         data->table_options.clear();
737         for (size_t i = 0; i < parts.size(); ++i) {
738                 // Parse table option
739                 std::string opt = unescape_string(parts[i]);
740                 data->table_options.push_back(GUITable::splitOption(opt));
741         }
742 }
743
744 void GUIFormSpecMenu::parseTableColumns(parserData* data,std::string element)
745 {
746         std::vector<std::string> parts = split(element,';');
747
748         data->table_columns.clear();
749         for (size_t i = 0; i < parts.size(); ++i) {
750                 std::vector<std::string> col_parts = split(parts[i],',');
751                 GUITable::TableColumn column;
752                 // Parse column type
753                 if (!col_parts.empty())
754                         column.type = col_parts[0];
755                 // Parse column options
756                 for (size_t j = 1; j < col_parts.size(); ++j) {
757                         std::string opt = unescape_string(col_parts[j]);
758                         column.options.push_back(GUITable::splitOption(opt));
759                 }
760                 data->table_columns.push_back(column);
761         }
762 }
763
764 void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
765 {
766         std::vector<std::string> parts = split(element,';');
767
768         if (((parts.size() == 4) || (parts.size() == 5)) ||
769                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
770         {
771                 std::vector<std::string> v_pos = split(parts[0],',');
772                 std::vector<std::string> v_geom = split(parts[1],',');
773                 std::string name = parts[2];
774                 std::vector<std::string> items = split(parts[3],',');
775                 std::string str_initial_selection = "";
776                 std::string str_transparent = "false";
777
778                 if (parts.size() >= 5)
779                         str_initial_selection = parts[4];
780
781                 MY_CHECKPOS("table",0);
782                 MY_CHECKGEOM("table",1);
783
784                 v2s32 pos = padding;
785                 pos.X += stof(v_pos[0]) * (float)spacing.X;
786                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
787
788                 v2s32 geom;
789                 geom.X = stof(v_geom[0]) * (float)spacing.X;
790                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
791
792
793                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
794
795                 std::wstring fname_w = narrow_to_wide(name.c_str());
796
797                 FieldSpec spec(
798                         fname_w,
799                         L"",
800                         L"",
801                         258+m_fields.size()
802                 );
803
804                 spec.ftype = f_Table;
805
806                 for (unsigned int i = 0; i < items.size(); ++i) {
807                         items[i] = unescape_string(items[i]);
808                 }
809
810                 //now really show table
811                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
812                                 m_tsrc);
813
814                 if (spec.fname == data->focused_fieldname) {
815                         Environment->setFocus(e);
816                 }
817
818                 e->setTable(data->table_options, data->table_columns, items);
819
820                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
821                         e->setDynamicData(data->table_dyndata[fname_w]);
822                 }
823
824                 if ((str_initial_selection != "") &&
825                                 (str_initial_selection != "0"))
826                         e->setSelected(stoi(str_initial_selection.c_str()));
827
828                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
829                 m_fields.push_back(spec);
830                 return;
831         }
832         errorstream<< "Invalid table element(" << parts.size() << "): '" << element << "'"  << std::endl;
833 }
834
835 void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
836 {
837         std::vector<std::string> parts = split(element,';');
838
839         if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
840                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
841         {
842                 std::vector<std::string> v_pos = split(parts[0],',');
843                 std::vector<std::string> v_geom = split(parts[1],',');
844                 std::string name = parts[2];
845                 std::vector<std::string> items = split(parts[3],',');
846                 std::string str_initial_selection = "";
847                 std::string str_transparent = "false";
848
849                 if (parts.size() >= 5)
850                         str_initial_selection = parts[4];
851
852                 if (parts.size() >= 6)
853                         str_transparent = parts[5];
854
855                 MY_CHECKPOS("textlist",0);
856                 MY_CHECKGEOM("textlist",1);
857
858                 v2s32 pos = padding;
859                 pos.X += stof(v_pos[0]) * (float)spacing.X;
860                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
861
862                 v2s32 geom;
863                 geom.X = stof(v_geom[0]) * (float)spacing.X;
864                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
865
866
867                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
868
869                 std::wstring fname_w = narrow_to_wide(name.c_str());
870
871                 FieldSpec spec(
872                         fname_w,
873                         L"",
874                         L"",
875                         258+m_fields.size()
876                 );
877
878                 spec.ftype = f_Table;
879
880                 for (unsigned int i = 0; i < items.size(); ++i) {
881                         items[i] = unescape_string(items[i]);
882                 }
883
884                 //now really show list
885                 GUITable *e = new GUITable(Environment, this, spec.fid, rect,
886                                 m_tsrc);
887
888                 if (spec.fname == data->focused_fieldname) {
889                         Environment->setFocus(e);
890                 }
891
892                 e->setTextList(items, is_yes(str_transparent));
893
894                 if (data->table_dyndata.find(fname_w) != data->table_dyndata.end()) {
895                         e->setDynamicData(data->table_dyndata[fname_w]);
896                 }
897
898                 if ((str_initial_selection != "") &&
899                                 (str_initial_selection != "0"))
900                         e->setSelected(stoi(str_initial_selection.c_str()));
901
902                 m_tables.push_back(std::pair<FieldSpec,GUITable*>(spec, e));
903                 m_fields.push_back(spec);
904                 return;
905         }
906         errorstream<< "Invalid textlist element(" << parts.size() << "): '" << element << "'"  << std::endl;
907 }
908
909
910 void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
911 {
912         std::vector<std::string> parts = split(element,';');
913
914         if ((parts.size() == 5) ||
915                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
916         {
917                 std::vector<std::string> v_pos = split(parts[0],',');
918                 std::string name = parts[2];
919                 std::vector<std::string> items = split(parts[3],',');
920                 std::string str_initial_selection = "";
921                 str_initial_selection = parts[4];
922
923                 MY_CHECKPOS("dropdown",0);
924
925                 v2s32 pos = padding;
926                 pos.X += stof(v_pos[0]) * (float)spacing.X;
927                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
928
929                 s32 width = stof(parts[1]) * (float)spacing.Y;
930
931                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
932                                 pos.X + width, pos.Y + (m_btn_height * 2));
933
934                 std::wstring fname_w = narrow_to_wide(name.c_str());
935
936                 FieldSpec spec(
937                         fname_w,
938                         L"",
939                         L"",
940                         258+m_fields.size()
941                 );
942
943                 spec.ftype = f_DropDown;
944                 spec.send = true;
945
946                 //now really show list
947                 gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
948
949                 if (spec.fname == data->focused_fieldname) {
950                         Environment->setFocus(e);
951                 }
952
953                 for (unsigned int i=0; i < items.size(); i++) {
954                         e->addItem(narrow_to_wide(items[i]).c_str());
955                 }
956
957                 if (str_initial_selection != "")
958                         e->setSelected(stoi(str_initial_selection.c_str())-1);
959
960                 m_fields.push_back(spec);
961                 return;
962         }
963         errorstream << "Invalid dropdown element(" << parts.size() << "): '"
964                                 << element << "'"  << std::endl;
965 }
966
967 void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
968 {
969         std::vector<std::string> parts = split(element,';');
970
971         if ((parts.size() == 4) ||
972                 ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
973         {
974                 std::vector<std::string> v_pos = split(parts[0],',');
975                 std::vector<std::string> v_geom = split(parts[1],',');
976                 std::string name = parts[2];
977                 std::string label = parts[3];
978
979                 MY_CHECKPOS("pwdfield",0);
980                 MY_CHECKGEOM("pwdfield",1);
981
982                 v2s32 pos;
983                 pos.X += stof(v_pos[0]) * (float)spacing.X;
984                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
985
986                 v2s32 geom;
987                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
988
989                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
990                 pos.Y -= m_btn_height;
991                 geom.Y = m_btn_height*2;
992
993                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
994
995                 label = unescape_string(label);
996
997                 std::wstring wlabel = narrow_to_wide(label.c_str());
998
999                 FieldSpec spec(
1000                         narrow_to_wide(name.c_str()),
1001                         wlabel,
1002                         L"",
1003                         258+m_fields.size()
1004                         );
1005
1006                 spec.send = true;
1007                 gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
1008
1009                 if (spec.fname == data->focused_fieldname) {
1010                         Environment->setFocus(e);
1011                 }
1012
1013                 if (label.length() >= 1)
1014                 {
1015                         rect.UpperLeftCorner.Y -= m_btn_height;
1016                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1017                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1018                 }
1019
1020                 e->setPasswordBox(true,L'*');
1021
1022                 irr::SEvent evt;
1023                 evt.EventType            = EET_KEY_INPUT_EVENT;
1024                 evt.KeyInput.Key         = KEY_END;
1025                 evt.KeyInput.Char        = 0;
1026                 evt.KeyInput.Control     = 0;
1027                 evt.KeyInput.Shift       = 0;
1028                 evt.KeyInput.PressedDown = true;
1029                 e->OnEvent(evt);
1030                 m_fields.push_back(spec);
1031                 return;
1032         }
1033         errorstream<< "Invalid pwdfield element(" << parts.size() << "): '" << element << "'"  << std::endl;
1034 }
1035
1036 void GUIFormSpecMenu::parseSimpleField(parserData* data,
1037                 std::vector<std::string> &parts)
1038 {
1039         std::string name = parts[0];
1040         std::string label = parts[1];
1041         std::string default_val = parts[2];
1042
1043         core::rect<s32> rect;
1044
1045         if(!data->bp_set)
1046         {
1047                 rect = core::rect<s32>(
1048                         data->screensize.X/2 - 580/2,
1049                         data->screensize.Y/2 - 300/2,
1050                         data->screensize.X/2 + 580/2,
1051                         data->screensize.Y/2 + 300/2
1052                 );
1053                 DesiredRect = rect;
1054                 recalculateAbsolutePosition(false);
1055                 data->basepos = getBasePos();
1056                 data->bp_set = 1;
1057         }
1058         else if(data->bp_set == 2)
1059                 errorstream<<"WARNING: invalid use of unpositioned \"field\" in inventory"<<std::endl;
1060
1061         v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1062         pos.Y = ((m_fields.size()+2)*60);
1063         v2s32 size = DesiredRect.getSize();
1064
1065         rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
1066                         (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
1067
1068
1069         if(m_form_src)
1070                 default_val = m_form_src->resolveText(default_val);
1071
1072         default_val = unescape_string(default_val);
1073         label = unescape_string(label);
1074
1075         std::wstring wlabel = narrow_to_wide(label.c_str());
1076
1077         FieldSpec spec(
1078                 narrow_to_wide(name.c_str()),
1079                 wlabel,
1080                 narrow_to_wide(default_val.c_str()),
1081                 258+m_fields.size()
1082         );
1083
1084         if (name == "")
1085         {
1086                 // spec field id to 0, this stops submit searching for a value that isn't there
1087                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1088         }
1089         else
1090         {
1091                 spec.send = true;
1092                 gui::IGUIEditBox *e =
1093                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1094
1095                 if (spec.fname == data->focused_fieldname) {
1096                         Environment->setFocus(e);
1097                 }
1098
1099                 irr::SEvent evt;
1100                 evt.EventType            = EET_KEY_INPUT_EVENT;
1101                 evt.KeyInput.Key         = KEY_END;
1102                 evt.KeyInput.Char        = 0;
1103                 evt.KeyInput.Control     = 0;
1104                 evt.KeyInput.Shift       = 0;
1105                 evt.KeyInput.PressedDown = true;
1106                 e->OnEvent(evt);
1107
1108                 if (label.length() >= 1)
1109                 {
1110                         rect.UpperLeftCorner.Y -= m_btn_height;
1111                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1112                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1113                 }
1114         }
1115
1116         m_fields.push_back(spec);
1117 }
1118
1119 void GUIFormSpecMenu::parseTextArea(parserData* data,
1120                 std::vector<std::string>& parts,std::string type)
1121 {
1122
1123         std::vector<std::string> v_pos = split(parts[0],',');
1124         std::vector<std::string> v_geom = split(parts[1],',');
1125         std::string name = parts[2];
1126         std::string label = parts[3];
1127         std::string default_val = parts[4];
1128
1129         MY_CHECKPOS(type,0);
1130         MY_CHECKGEOM(type,1);
1131
1132         v2s32 pos;
1133         pos.X = stof(v_pos[0]) * (float) spacing.X;
1134         pos.Y = stof(v_pos[1]) * (float) spacing.Y;
1135
1136         v2s32 geom;
1137
1138         geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1139
1140         if (type == "textarea")
1141         {
1142                 geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
1143                 pos.Y += m_btn_height;
1144         }
1145         else
1146         {
1147                 pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
1148                 pos.Y -= m_btn_height;
1149                 geom.Y = m_btn_height*2;
1150         }
1151
1152         core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1153
1154         if(data->bp_set != 2)
1155                 errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
1156
1157         if(m_form_src)
1158                 default_val = m_form_src->resolveText(default_val);
1159
1160
1161         default_val = unescape_string(default_val);
1162         label = unescape_string(label);
1163
1164         std::wstring wlabel = narrow_to_wide(label.c_str());
1165
1166         FieldSpec spec(
1167                 narrow_to_wide(name.c_str()),
1168                 wlabel,
1169                 narrow_to_wide(default_val.c_str()),
1170                 258+m_fields.size()
1171         );
1172
1173         if (name == "")
1174         {
1175                 // spec field id to 0, this stops submit searching for a value that isn't there
1176                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
1177         }
1178         else
1179         {
1180                 spec.send = true;
1181                 gui::IGUIEditBox *e =
1182                         Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
1183
1184                 if (spec.fname == data->focused_fieldname) {
1185                         Environment->setFocus(e);
1186                 }
1187
1188                 if (type == "textarea")
1189                 {
1190                         e->setMultiLine(true);
1191                         e->setWordWrap(true);
1192                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
1193                 } else {
1194                         irr::SEvent evt;
1195                         evt.EventType            = EET_KEY_INPUT_EVENT;
1196                         evt.KeyInput.Key         = KEY_END;
1197                         evt.KeyInput.Char        = 0;
1198                         evt.KeyInput.Control     = 0;
1199                         evt.KeyInput.Shift       = 0;
1200                         evt.KeyInput.PressedDown = true;
1201                         e->OnEvent(evt);
1202                 }
1203
1204                 if (label.length() >= 1)
1205                 {
1206                         rect.UpperLeftCorner.Y -= m_btn_height;
1207                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
1208                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
1209                 }
1210         }
1211         m_fields.push_back(spec);
1212 }
1213
1214 void GUIFormSpecMenu::parseField(parserData* data,std::string element,
1215                 std::string type)
1216 {
1217         std::vector<std::string> parts = split(element,';');
1218
1219         if (parts.size() == 3 || parts.size() == 4) {
1220                 parseSimpleField(data,parts);
1221                 return;
1222         }
1223
1224         if ((parts.size() == 5) ||
1225                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1226         {
1227                 parseTextArea(data,parts,type);
1228                 return;
1229         }
1230         errorstream<< "Invalid field element(" << parts.size() << "): '" << element << "'"  << std::endl;
1231 }
1232
1233 void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
1234 {
1235         std::vector<std::string> parts = split(element,';');
1236
1237         if ((parts.size() == 2) ||
1238                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1239         {
1240                 std::vector<std::string> v_pos = split(parts[0],',');
1241                 std::string text = parts[1];
1242
1243                 MY_CHECKPOS("label",0);
1244
1245                 v2s32 pos = padding;
1246                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1247                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1248
1249                 if(data->bp_set != 2)
1250                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1251
1252                 text = unescape_string(text);
1253
1254                 std::wstring wlabel = narrow_to_wide(text.c_str());
1255
1256                 core::rect<s32> rect = core::rect<s32>(
1257                                 pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
1258                                 pos.X + m_font->getDimension(wlabel.c_str()).Width,
1259                                 pos.Y+((imgsize.Y/2) + m_btn_height));
1260
1261                 FieldSpec spec(
1262                         L"",
1263                         wlabel,
1264                         L"",
1265                         258+m_fields.size()
1266                 );
1267                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1268                 m_fields.push_back(spec);
1269                 return;
1270         }
1271         errorstream<< "Invalid label element(" << parts.size() << "): '" << element << "'"  << std::endl;
1272 }
1273
1274 void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
1275 {
1276         std::vector<std::string> parts = split(element,';');
1277
1278         if ((parts.size() == 2) ||
1279                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1280         {
1281                 std::vector<std::string> v_pos = split(parts[0],',');
1282                 std::wstring text = narrow_to_wide(unescape_string(parts[1]));
1283
1284                 MY_CHECKPOS("vertlabel",1);
1285
1286                 v2s32 pos = padding;
1287                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1288                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1289
1290                 core::rect<s32> rect = core::rect<s32>(
1291                                 pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
1292                                 pos.X+15, pos.Y +
1293                                         (m_font->getKerningHeight() +
1294                                         m_font->getDimension(text.c_str()).Height)
1295                                         * (text.length()+1));
1296                 //actually text.length() would be correct but adding +1 avoids to break all mods
1297
1298                 if(data->bp_set != 2)
1299                         errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
1300
1301                 std::wstring label = L"";
1302
1303                 for (unsigned int i=0; i < text.length(); i++) {
1304                         label += text[i];
1305                         label += L"\n";
1306                 }
1307
1308                 FieldSpec spec(
1309                         L"",
1310                         label,
1311                         L"",
1312                         258+m_fields.size()
1313                 );
1314                 gui::IGUIStaticText *t =
1315                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
1316                 t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1317                 m_fields.push_back(spec);
1318                 return;
1319         }
1320         errorstream<< "Invalid vertlabel element(" << parts.size() << "): '" << element << "'"  << std::endl;
1321 }
1322
1323 void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
1324                 std::string type)
1325 {
1326         std::vector<std::string> parts = split(element,';');
1327
1328         if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
1329                 ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
1330         {
1331                 std::vector<std::string> v_pos = split(parts[0],',');
1332                 std::vector<std::string> v_geom = split(parts[1],',');
1333                 std::string image_name = parts[2];
1334                 std::string name = parts[3];
1335                 std::string label = parts[4];
1336
1337                 MY_CHECKPOS("imagebutton",0);
1338                 MY_CHECKGEOM("imagebutton",1);
1339
1340                 v2s32 pos = padding;
1341                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1342                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1343                 v2s32 geom;
1344                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1345                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1346
1347                 bool noclip     = false;
1348                 bool drawborder = true;
1349                 std::string pressed_image_name = "";
1350
1351                 if (parts.size() >= 7) {
1352                         if (parts[5] == "true")
1353                                 noclip = true;
1354                         if (parts[6] == "false")
1355                                 drawborder = false;
1356                 }
1357
1358                 if (parts.size() >= 8) {
1359                         pressed_image_name = parts[7];
1360                 }
1361
1362                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1363
1364                 if(data->bp_set != 2)
1365                         errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
1366
1367                 image_name = unescape_string(image_name);
1368                 pressed_image_name = unescape_string(pressed_image_name);
1369                 label = unescape_string(label);
1370
1371                 std::wstring wlabel = narrow_to_wide(label.c_str());
1372
1373                 FieldSpec spec(
1374                         narrow_to_wide(name.c_str()),
1375                         wlabel,
1376                         narrow_to_wide(image_name.c_str()),
1377                         258+m_fields.size()
1378                 );
1379                 spec.ftype = f_Button;
1380                 if(type == "image_button_exit")
1381                         spec.is_exit = true;
1382
1383                 video::ITexture *texture = 0;
1384                 video::ITexture *pressed_texture = 0;
1385                 texture = m_tsrc->getTexture(image_name);
1386                 if (pressed_image_name != "")
1387                         pressed_texture = m_tsrc->getTexture(pressed_image_name);
1388                 else
1389                         pressed_texture = texture;
1390
1391                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1392
1393                 if (spec.fname == data->focused_fieldname) {
1394                         Environment->setFocus(e);
1395                 }
1396
1397                 e->setUseAlphaChannel(true);
1398                 e->setImage(texture);
1399                 e->setPressedImage(pressed_texture);
1400                 e->setScaleImage(true);
1401                 e->setNotClipped(noclip);
1402                 e->setDrawBorder(drawborder);
1403
1404                 m_fields.push_back(spec);
1405                 return;
1406         }
1407
1408         errorstream<< "Invalid imagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1409 }
1410
1411 void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
1412 {
1413         std::vector<std::string> parts = split(element,';');
1414
1415         if (((parts.size() == 4) || (parts.size() == 6)) ||
1416                 ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
1417         {
1418                 std::vector<std::string> v_pos = split(parts[0],',');
1419                 std::string name = parts[1];
1420                 std::vector<std::string> buttons = split(parts[2],',');
1421                 std::string str_index = parts[3];
1422                 bool show_background = true;
1423                 bool show_border = true;
1424                 int tab_index = stoi(str_index) -1;
1425
1426                 MY_CHECKPOS("tabheader",0);
1427
1428                 if (parts.size() == 6) {
1429                         if (parts[4] == "true")
1430                                 show_background = false;
1431                         if (parts[5] == "false")
1432                                 show_border = false;
1433                 }
1434
1435                 FieldSpec spec(
1436                         narrow_to_wide(name.c_str()),
1437                         L"",
1438                         L"",
1439                         258+m_fields.size()
1440                 );
1441
1442                 spec.ftype = f_TabHeader;
1443
1444                 v2s32 pos(0,0);
1445                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1446                 pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
1447                 v2s32 geom;
1448                 geom.X = data->screensize.Y;
1449                 geom.Y = m_btn_height*2;
1450
1451                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
1452                                 pos.Y+geom.Y);
1453
1454                 gui::IGUITabControl *e = Environment->addTabControl(rect, this,
1455                                 show_background, show_border, spec.fid);
1456                 e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
1457                                 irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
1458                 e->setTabHeight(m_btn_height*2);
1459
1460                 if (spec.fname == data->focused_fieldname) {
1461                         Environment->setFocus(e);
1462                 }
1463
1464                 e->setNotClipped(true);
1465
1466                 for (unsigned int i=0; i< buttons.size(); i++) {
1467                         e->addTab(narrow_to_wide(buttons[i]).c_str(), -1);
1468                 }
1469
1470                 if ((tab_index >= 0) &&
1471                                 (buttons.size() < INT_MAX) &&
1472                                 (tab_index < (int) buttons.size()))
1473                         e->setActiveTab(tab_index);
1474
1475                 m_fields.push_back(spec);
1476                 return;
1477         }
1478         errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
1479                         << element << "'"  << std::endl;
1480 }
1481
1482 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
1483 {
1484
1485         if (m_gamedef == 0) {
1486                 errorstream <<
1487                                 "WARNING: invalid use of item_image_button with m_gamedef==0"
1488                                 << std::endl;
1489                 return;
1490         }
1491
1492         std::vector<std::string> parts = split(element,';');
1493
1494         if ((parts.size() == 5) ||
1495                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1496         {
1497                 std::vector<std::string> v_pos = split(parts[0],',');
1498                 std::vector<std::string> v_geom = split(parts[1],',');
1499                 std::string item_name = parts[2];
1500                 std::string name = parts[3];
1501                 std::string label = parts[4];
1502
1503                 MY_CHECKPOS("itemimagebutton",0);
1504                 MY_CHECKGEOM("itemimagebutton",1);
1505
1506                 v2s32 pos = padding;
1507                 pos.X += stof(v_pos[0]) * (float)spacing.X;
1508                 pos.Y += stof(v_pos[1]) * (float)spacing.Y;
1509                 v2s32 geom;
1510                 geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
1511                 geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
1512
1513                 core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
1514
1515                 if(data->bp_set != 2)
1516                         errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
1517
1518                 IItemDefManager *idef = m_gamedef->idef();
1519                 ItemStack item;
1520                 item.deSerialize(item_name, idef);
1521                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
1522
1523                 m_tooltips[narrow_to_wide(name.c_str())] =
1524                         TooltipSpec (item.getDefinition(idef).description,
1525                                                 m_default_tooltip_bgcolor,
1526                                                 m_default_tooltip_color);
1527
1528                 label = unescape_string(label);
1529                 FieldSpec spec(
1530                         narrow_to_wide(name.c_str()),
1531                         narrow_to_wide(label.c_str()),
1532                         narrow_to_wide(item_name.c_str()),
1533                         258+m_fields.size()
1534                 );
1535
1536                 gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
1537
1538                 if (spec.fname == data->focused_fieldname) {
1539                         Environment->setFocus(e);
1540                 }
1541
1542                 e->setUseAlphaChannel(true);
1543                 e->setImage(texture);
1544                 e->setPressedImage(texture);
1545                 e->setScaleImage(true);
1546                 spec.ftype = f_Button;
1547                 rect+=data->basepos-padding;
1548                 spec.rect=rect;
1549                 m_fields.push_back(spec);
1550                 return;
1551         }
1552         errorstream<< "Invalid ItemImagebutton element(" << parts.size() << "): '" << element << "'"  << std::endl;
1553 }
1554
1555 void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
1556 {
1557         std::vector<std::string> parts = split(element,';');
1558
1559         if ((parts.size() == 3) ||
1560                 ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
1561         {
1562                 std::vector<std::string> v_pos = split(parts[0],',');
1563                 std::vector<std::string> v_geom = split(parts[1],',');
1564
1565                 MY_CHECKPOS("box",0);
1566                 MY_CHECKGEOM("box",1);
1567
1568                 v2s32 pos = padding + AbsoluteRect.UpperLeftCorner;
1569                 pos.X += stof(v_pos[0]) * (float) spacing.X;
1570                 pos.Y += stof(v_pos[1]) * (float) spacing.Y;
1571
1572                 v2s32 geom;
1573                 geom.X = stof(v_geom[0]) * (float)spacing.X;
1574                 geom.Y = stof(v_geom[1]) * (float)spacing.Y;
1575
1576                 video::SColor tmp_color;
1577
1578                 if (parseColor(parts[2], tmp_color, false)) {
1579                         BoxDrawSpec spec(pos, geom, tmp_color);
1580
1581                         m_boxes.push_back(spec);
1582                 }
1583                 else {
1584                         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'  INVALID COLOR"  << std::endl;
1585                 }
1586                 return;
1587         }
1588         errorstream<< "Invalid Box element(" << parts.size() << "): '" << element << "'"  << std::endl;
1589 }
1590
1591 void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
1592 {
1593         std::vector<std::string> parts = split(element,';');
1594
1595         if (((parts.size() == 1) || (parts.size() == 2)) ||
1596                 ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
1597         {
1598                 parseColor(parts[0],m_bgcolor,false);
1599
1600                 if (parts.size() == 2) {
1601                         std::string fullscreen = parts[1];
1602                         m_bgfullscreen = is_yes(fullscreen);
1603                 }
1604                 return;
1605         }
1606         errorstream<< "Invalid bgcolor element(" << parts.size() << "): '" << element << "'"  << std::endl;
1607 }
1608
1609 void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
1610 {
1611         std::vector<std::string> parts = split(element,';');
1612
1613         if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
1614                 ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
1615         {
1616                 parseColor(parts[0], m_slotbg_n, false);
1617                 parseColor(parts[1], m_slotbg_h, false);
1618
1619                 if (parts.size() >= 3) {
1620                         if (parseColor(parts[2], m_slotbordercolor, false)) {
1621                                 m_slotborder = true;
1622                         }
1623                 }
1624                 if (parts.size() == 5) {
1625                         video::SColor tmp_color;
1626
1627                         if (parseColor(parts[3], tmp_color, false))
1628                                 m_default_tooltip_bgcolor = tmp_color;
1629                         if (parseColor(parts[4], tmp_color, false))
1630                                 m_default_tooltip_color = tmp_color;
1631                 }
1632                 return;
1633         }
1634         errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
1635 }
1636
1637 void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
1638 {
1639         std::vector<std::string> parts = split(element,';');
1640         if (parts.size() == 2) {
1641                 std::string name = parts[0];
1642                 m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], m_default_tooltip_bgcolor, m_default_tooltip_color);
1643                 return;
1644         } else if (parts.size() == 4) {
1645                 std::string name = parts[0];
1646                 video::SColor tmp_color1, tmp_color2;
1647                 if ( parseColor(parts[2], tmp_color1, false) && parseColor(parts[3], tmp_color2, false) ) {
1648                         m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], tmp_color1, tmp_color2);
1649                         return;
1650                 }
1651         }
1652         errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
1653 }
1654
1655 bool GUIFormSpecMenu::parseVersionDirect(std::string data)
1656 {
1657         //some prechecks
1658         if (data == "")
1659                 return false;
1660
1661         std::vector<std::string> parts = split(data,'[');
1662
1663         if (parts.size() < 2) {
1664                 return false;
1665         }
1666
1667         if (parts[0] != "formspec_version") {
1668                 return false;
1669         }
1670
1671         if (is_number(parts[1])) {
1672                 m_formspec_version = mystoi(parts[1]);
1673                 return true;
1674         }
1675
1676         return false;
1677 }
1678
1679 void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
1680 {
1681         //some prechecks
1682         if (element == "")
1683                 return;
1684
1685         std::vector<std::string> parts = split(element,'[');
1686
1687         // ugly workaround to keep compatibility
1688         if (parts.size() > 2) {
1689                 if (trim(parts[0]) == "image") {
1690                         for (unsigned int i=2;i< parts.size(); i++) {
1691                                 parts[1] += "[" + parts[i];
1692                         }
1693                 }
1694                 else { return; }
1695         }
1696
1697         if (parts.size() < 2) {
1698                 return;
1699         }
1700
1701         std::string type = trim(parts[0]);
1702         std::string description = trim(parts[1]);
1703
1704         if (type == "size") {
1705                 parseSize(data,description);
1706                 return;
1707         }
1708
1709         if (type == "invsize") {
1710                 log_deprecated("Deprecated formspec element \"invsize\" is used");
1711                 parseSize(data,description);
1712                 return;
1713         }
1714
1715         if (type == "list") {
1716                 parseList(data,description);
1717                 return;
1718         }
1719
1720         if (type == "checkbox") {
1721                 parseCheckbox(data,description);
1722                 return;
1723         }
1724
1725         if (type == "image") {
1726                 parseImage(data,description);
1727                 return;
1728         }
1729
1730         if (type == "item_image") {
1731                 parseItemImage(data,description);
1732                 return;
1733         }
1734
1735         if ((type == "button") || (type == "button_exit")) {
1736                 parseButton(data,description,type);
1737                 return;
1738         }
1739
1740         if (type == "background") {
1741                 parseBackground(data,description);
1742                 return;
1743         }
1744
1745         if (type == "tableoptions"){
1746                 parseTableOptions(data,description);
1747                 return;
1748         }
1749
1750         if (type == "tablecolumns"){
1751                 parseTableColumns(data,description);
1752                 return;
1753         }
1754
1755         if (type == "table"){
1756                 parseTable(data,description);
1757                 return;
1758         }
1759
1760         if (type == "textlist"){
1761                 parseTextList(data,description);
1762                 return;
1763         }
1764
1765         if (type == "dropdown"){
1766                 parseDropDown(data,description);
1767                 return;
1768         }
1769
1770         if (type == "pwdfield") {
1771                 parsePwdField(data,description);
1772                 return;
1773         }
1774
1775         if ((type == "field") || (type == "textarea")){
1776                 parseField(data,description,type);
1777                 return;
1778         }
1779
1780         if (type == "label") {
1781                 parseLabel(data,description);
1782                 return;
1783         }
1784
1785         if (type == "vertlabel") {
1786                 parseVertLabel(data,description);
1787                 return;
1788         }
1789
1790         if (type == "item_image_button") {
1791                 parseItemImageButton(data,description);
1792                 return;
1793         }
1794
1795         if ((type == "image_button") || (type == "image_button_exit")) {
1796                 parseImageButton(data,description,type);
1797                 return;
1798         }
1799
1800         if (type == "tabheader") {
1801                 parseTabHeader(data,description);
1802                 return;
1803         }
1804
1805         if (type == "box") {
1806                 parseBox(data,description);
1807                 return;
1808         }
1809
1810         if (type == "bgcolor") {
1811                 parseBackgroundColor(data,description);
1812                 return;
1813         }
1814
1815         if (type == "listcolors") {
1816                 parseListColors(data,description);
1817                 return;
1818         }
1819
1820         if (type == "tooltip") {
1821                 parseTooltip(data,description);
1822                 return;
1823         }
1824
1825         if (type == "scrollbar") {
1826                 parseScrollBar(data, description);
1827                 return;
1828         }
1829
1830         // Ignore others
1831         infostream
1832                 << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
1833                 <<std::endl;
1834 }
1835
1836
1837
1838 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
1839 {
1840         /* useless to regenerate without a screensize */
1841         if ((screensize.X <= 0) || (screensize.Y <= 0)) {
1842                 return;
1843         }
1844
1845         parserData mydata;
1846
1847         //preserve tables
1848         for (u32 i = 0; i < m_tables.size(); ++i) {
1849                 std::wstring tablename = m_tables[i].first.fname;
1850                 GUITable *table = m_tables[i].second;
1851                 mydata.table_dyndata[tablename] = table->getDynamicData();
1852         }
1853
1854         //preserve focus
1855         gui::IGUIElement *focused_element = Environment->getFocus();
1856         if (focused_element && focused_element->getParent() == this) {
1857                 s32 focused_id = focused_element->getID();
1858                 if (focused_id > 257) {
1859                         for (u32 i=0; i<m_fields.size(); i++) {
1860                                 if (m_fields[i].fid == focused_id) {
1861                                         mydata.focused_fieldname =
1862                                                 m_fields[i].fname;
1863                                         break;
1864                                 }
1865                         }
1866                 }
1867         }
1868
1869         // Remove children
1870         removeChildren();
1871
1872         for (u32 i = 0; i < m_tables.size(); ++i) {
1873                 GUITable *table = m_tables[i].second;
1874                 table->drop();
1875         }
1876
1877         mydata.size= v2s32(100,100);
1878         mydata.screensize = screensize;
1879
1880         // Base position of contents of form
1881         mydata.basepos = getBasePos();
1882
1883         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
1884         // Used to adjust form size automatically if needed
1885         // A proceed button is added if there is no size[] element
1886         mydata.bp_set = 0;
1887
1888
1889         /* Convert m_init_draw_spec to m_inventorylists */
1890
1891         m_inventorylists.clear();
1892         m_images.clear();
1893         m_backgrounds.clear();
1894         m_itemimages.clear();
1895         m_tables.clear();
1896         m_checkboxes.clear();
1897         m_scrollbars.clear();
1898         m_fields.clear();
1899         m_boxes.clear();
1900         m_tooltips.clear();
1901
1902         // Set default values (fits old formspec values)
1903         m_bgcolor = video::SColor(140,0,0,0);
1904         m_bgfullscreen = false;
1905
1906         m_slotbg_n = video::SColor(255,128,128,128);
1907         m_slotbg_h = video::SColor(255,192,192,192);
1908
1909         m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
1910         m_default_tooltip_color = video::SColor(255,255,255,255);
1911
1912         m_slotbordercolor = video::SColor(200,0,0,0);
1913         m_slotborder = false;
1914
1915         m_clipbackground = false;
1916         // Add tooltip
1917         {
1918                 assert(m_tooltip_element == NULL);
1919                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
1920                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
1921                 m_tooltip_element->enableOverrideColor(true);
1922                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
1923                 m_tooltip_element->setDrawBackground(true);
1924                 m_tooltip_element->setDrawBorder(true);
1925                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
1926                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
1927                 m_tooltip_element->setWordWrap(false);
1928                 //we're not parent so no autograb for this one!
1929                 m_tooltip_element->grab();
1930         }
1931
1932         std::vector<std::string> elements = split(m_formspec_string,']');
1933         unsigned int i = 0;
1934
1935         /* try to read version from first element only */
1936         if (elements.size() >= 1) {
1937                 if ( parseVersionDirect(elements[0]) ) {
1938                         i++;
1939                 }
1940         }
1941
1942         for (; i< elements.size(); i++) {
1943                 parseElement(&mydata, elements[i]);
1944         }
1945
1946         // If there's fields, add a Proceed button
1947         if (m_fields.size() && mydata.bp_set != 2) {
1948                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
1949                 mydata.rect = core::rect<s32>(
1950                                 mydata.screensize.X/2 - 580/2,
1951                                 mydata.screensize.Y/2 - 300/2,
1952                                 mydata.screensize.X/2 + 580/2,
1953                                 mydata.screensize.Y/2 + 240/2+(m_fields.size()*60)
1954                 );
1955                 DesiredRect = mydata.rect;
1956                 recalculateAbsolutePosition(false);
1957                 mydata.basepos = getBasePos();
1958
1959                 {
1960                         v2s32 pos = mydata.basepos;
1961                         pos.Y = ((m_fields.size()+2)*60);
1962
1963                         v2s32 size = DesiredRect.getSize();
1964                         mydata.rect =
1965                                         core::rect<s32>(size.X/2-70, pos.Y,
1966                                                         (size.X/2-70)+140, pos.Y + (m_btn_height*2));
1967                         wchar_t* text = wgettext("Proceed");
1968                         Environment->addButton(mydata.rect, this, 257, text);
1969                         delete[] text;
1970                 }
1971
1972         }
1973
1974         //set initial focus if parser didn't set it
1975         focused_element = Environment->getFocus();
1976         if (!focused_element
1977                         || !isMyChild(focused_element)
1978                         || focused_element->getType() == gui::EGUIET_TAB_CONTROL)
1979                 setInitialFocus();
1980 }
1981
1982 #ifdef __ANDROID__
1983 bool GUIFormSpecMenu::getAndroidUIInput()
1984 {
1985         /* no dialog shown */
1986         if (m_JavaDialogFieldName == L"") {
1987                 return false;
1988         }
1989
1990         /* still waiting */
1991         if (porting::getInputDialogState() == -1) {
1992                 return true;
1993         }
1994
1995         std::wstring fieldname = m_JavaDialogFieldName;
1996         m_JavaDialogFieldName = L"";
1997
1998         /* no value abort dialog processing */
1999         if (porting::getInputDialogState() != 0) {
2000                 return false;
2001         }
2002
2003         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2004                         iter != m_fields.end(); iter++) {
2005
2006                 if (iter->fname != fieldname) {
2007                         continue;
2008                 }
2009                 IGUIElement* tochange = getElementFromId(iter->fid);
2010
2011                 if (tochange == 0) {
2012                         return false;
2013                 }
2014
2015                 if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
2016                         return false;
2017                 }
2018
2019                 std::string text = porting::getInputDialogValue();
2020
2021                 ((gui::IGUIEditBox*) tochange)->
2022                         setText(narrow_to_wide(text).c_str());
2023         }
2024         return false;
2025 }
2026 #endif
2027
2028 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
2029 {
2030         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2031
2032         for(u32 i=0; i<m_inventorylists.size(); i++)
2033         {
2034                 const ListDrawSpec &s = m_inventorylists[i];
2035
2036                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
2037                         s32 item_i = i + s.start_item_i;
2038                         s32 x = (i%s.geom.X) * spacing.X;
2039                         s32 y = (i/s.geom.X) * spacing.Y;
2040                         v2s32 p0(x,y);
2041                         core::rect<s32> rect = imgrect + s.pos + p0;
2042                         if(rect.isPointInside(p))
2043                         {
2044                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
2045                         }
2046                 }
2047         }
2048
2049         return ItemSpec(InventoryLocation(), "", -1);
2050 }
2051
2052 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
2053 {
2054         video::IVideoDriver* driver = Environment->getVideoDriver();
2055
2056         // Get font
2057         gui::IGUIFont *font = NULL;
2058         gui::IGUISkin* skin = Environment->getSkin();
2059         if (skin)
2060                 font = skin->getFont();
2061
2062         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2063         if(!inv){
2064                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2065                                 <<"The inventory location "
2066                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2067                                 <<std::endl;
2068                 return;
2069         }
2070         InventoryList *ilist = inv->getList(s.listname);
2071         if(!ilist){
2072                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
2073                                 <<"The inventory list \""<<s.listname<<"\" @ \""
2074                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
2075                                 <<std::endl;
2076                 return;
2077         }
2078
2079         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2080
2081         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
2082         {
2083                 s32 item_i = i + s.start_item_i;
2084                 if(item_i >= (s32) ilist->getSize())
2085                         break;
2086                 s32 x = (i%s.geom.X) * spacing.X;
2087                 s32 y = (i/s.geom.X) * spacing.Y;
2088                 v2s32 p(x,y);
2089                 core::rect<s32> rect = imgrect + s.pos + p;
2090                 ItemStack item;
2091                 if(ilist)
2092                         item = ilist->getItem(item_i);
2093
2094                 bool selected = m_selected_item
2095                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
2096                         && m_selected_item->listname == s.listname
2097                         && m_selected_item->i == item_i;
2098                 bool hovering = rect.isPointInside(m_pointer);
2099
2100                 if(phase == 0)
2101                 {
2102                         if(hovering)
2103                                 driver->draw2DRectangle(m_slotbg_h, rect, &AbsoluteClippingRect);
2104                         else
2105                                 driver->draw2DRectangle(m_slotbg_n, rect, &AbsoluteClippingRect);
2106                 }
2107
2108                 //Draw inv slot borders
2109                 if (m_slotborder) {
2110                         s32 x1 = rect.UpperLeftCorner.X;
2111                         s32 y1 = rect.UpperLeftCorner.Y;
2112                         s32 x2 = rect.LowerRightCorner.X;
2113                         s32 y2 = rect.LowerRightCorner.Y;
2114                         s32 border = 1;
2115                         driver->draw2DRectangle(m_slotbordercolor,
2116                                 core::rect<s32>(v2s32(x1 - border, y1 - border),
2117                                                                 v2s32(x2 + border, y1)), NULL);
2118                         driver->draw2DRectangle(m_slotbordercolor,
2119                                 core::rect<s32>(v2s32(x1 - border, y2),
2120                                                                 v2s32(x2 + border, y2 + border)), NULL);
2121                         driver->draw2DRectangle(m_slotbordercolor,
2122                                 core::rect<s32>(v2s32(x1 - border, y1),
2123                                                                 v2s32(x1, y2)), NULL);
2124                         driver->draw2DRectangle(m_slotbordercolor,
2125                                 core::rect<s32>(v2s32(x2, y1),
2126                                                                 v2s32(x2 + border, y2)), NULL);
2127                 }
2128
2129                 if(phase == 1)
2130                 {
2131                         // Draw item stack
2132                         if(selected)
2133                         {
2134                                 item.takeItem(m_selected_amount);
2135                         }
2136                         if(!item.empty())
2137                         {
2138                                 drawItemStack(driver, font, item,
2139                                                 rect, &AbsoluteClippingRect, m_gamedef);
2140                         }
2141
2142                         // Draw tooltip
2143                         std::string tooltip_text = "";
2144                         if (hovering && !m_selected_item)
2145                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
2146                         if (tooltip_text != "") {
2147                                 std::vector<std::string> tt_rows = split(tooltip_text,'\n');
2148                                 m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
2149                                 m_tooltip_element->setOverrideColor(m_default_tooltip_color);
2150                                 m_tooltip_element->setVisible(true);
2151                                 this->bringToFront(m_tooltip_element);
2152                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
2153                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2154                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2155                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2156                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * tt_rows.size() + 5;
2157                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2158                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2159                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2160                         }
2161                 }
2162         }
2163 }
2164
2165 void GUIFormSpecMenu::drawSelectedItem()
2166 {
2167         if(!m_selected_item)
2168                 return;
2169
2170         video::IVideoDriver* driver = Environment->getVideoDriver();
2171
2172         // Get font
2173         gui::IGUIFont *font = NULL;
2174         gui::IGUISkin* skin = Environment->getSkin();
2175         if (skin)
2176                 font = skin->getFont();
2177
2178         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2179         assert(inv);
2180         InventoryList *list = inv->getList(m_selected_item->listname);
2181         assert(list);
2182         ItemStack stack = list->getItem(m_selected_item->i);
2183         stack.count = m_selected_amount;
2184
2185         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
2186         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
2187         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
2188 }
2189
2190 void GUIFormSpecMenu::drawMenu()
2191 {
2192         if(m_form_src){
2193                 std::string newform = m_form_src->getForm();
2194                 if(newform != m_formspec_string){
2195                         m_formspec_string = newform;
2196                         regenerateGui(m_screensize_old);
2197                 }
2198         }
2199
2200         updateSelectedItem();
2201
2202         gui::IGUISkin* skin = Environment->getSkin();
2203         if (!skin)
2204                 return;
2205         video::IVideoDriver* driver = Environment->getVideoDriver();
2206
2207         v2u32 screenSize = driver->getScreenSize();
2208         core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
2209         if (m_bgfullscreen)
2210                 driver->draw2DRectangle(m_bgcolor, allbg, &allbg);
2211         else
2212                 driver->draw2DRectangle(m_bgcolor, AbsoluteRect, &AbsoluteClippingRect);
2213
2214         m_tooltip_element->setVisible(false);
2215
2216         /*
2217                 Draw backgrounds
2218         */
2219         for(u32 i=0; i<m_backgrounds.size(); i++)
2220         {
2221                 const ImageDrawSpec &spec = m_backgrounds[i];
2222                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2223
2224                 if (texture != 0) {
2225                         // Image size on screen
2226                         core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2227                         // Image rectangle on screen
2228                         core::rect<s32> rect = imgrect + spec.pos;
2229
2230                         if (m_clipbackground) {
2231                                 core::dimension2d<s32> absrec_size = AbsoluteRect.getSize();
2232                                 rect = core::rect<s32>(AbsoluteRect.UpperLeftCorner.X - spec.pos.X,
2233                                                                         AbsoluteRect.UpperLeftCorner.Y - spec.pos.Y,
2234                                                                         AbsoluteRect.UpperLeftCorner.X + absrec_size.Width + spec.pos.X,
2235                                                                         AbsoluteRect.UpperLeftCorner.Y + absrec_size.Height + spec.pos.Y);
2236                         }
2237
2238                         const video::SColor color(255,255,255,255);
2239                         const video::SColor colors[] = {color,color,color,color};
2240                         driver->draw2DImage(texture, rect,
2241                                 core::rect<s32>(core::position2d<s32>(0,0),
2242                                                 core::dimension2di(texture->getOriginalSize())),
2243                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2244                 }
2245                 else {
2246                         errorstream << "GUIFormSpecMenu::drawMenu() Draw backgrounds unable to load texture:" << std::endl;
2247                         errorstream << "\t" << spec.name << std::endl;
2248                 }
2249         }
2250
2251         /*
2252                 Draw Boxes
2253         */
2254         for(u32 i=0; i<m_boxes.size(); i++)
2255         {
2256                 const BoxDrawSpec &spec = m_boxes[i];
2257
2258                 irr::video::SColor todraw = spec.color;
2259
2260                 todraw.setAlpha(140);
2261
2262                 core::rect<s32> rect(spec.pos.X,spec.pos.Y,
2263                                                         spec.pos.X + spec.geom.X,spec.pos.Y + spec.geom.Y);
2264
2265                 driver->draw2DRectangle(todraw, rect, 0);
2266         }
2267         /*
2268                 Draw images
2269         */
2270         for(u32 i=0; i<m_images.size(); i++)
2271         {
2272                 const ImageDrawSpec &spec = m_images[i];
2273                 video::ITexture *texture = m_tsrc->getTexture(spec.name);
2274
2275                 if (texture != 0) {
2276                         const core::dimension2d<u32>& img_origsize = texture->getOriginalSize();
2277                         // Image size on screen
2278                         core::rect<s32> imgrect;
2279
2280                         if (spec.scale)
2281                                 imgrect = core::rect<s32>(0,0,spec.geom.X, spec.geom.Y);
2282                         else {
2283
2284                                 imgrect = core::rect<s32>(0,0,img_origsize.Width,img_origsize.Height);
2285                         }
2286                         // Image rectangle on screen
2287                         core::rect<s32> rect = imgrect + spec.pos;
2288                         const video::SColor color(255,255,255,255);
2289                         const video::SColor colors[] = {color,color,color,color};
2290                         driver->draw2DImage(texture, rect,
2291                                 core::rect<s32>(core::position2d<s32>(0,0),img_origsize),
2292                                 NULL/*&AbsoluteClippingRect*/, colors, true);
2293                 }
2294                 else {
2295                         errorstream << "GUIFormSpecMenu::drawMenu() Draw images unable to load texture:" << std::endl;
2296                         errorstream << "\t" << spec.name << std::endl;
2297                 }
2298         }
2299
2300         /*
2301                 Draw item images
2302         */
2303         for(u32 i=0; i<m_itemimages.size(); i++)
2304         {
2305                 if (m_gamedef == 0)
2306                         break;
2307
2308                 const ImageDrawSpec &spec = m_itemimages[i];
2309                 IItemDefManager *idef = m_gamedef->idef();
2310                 ItemStack item;
2311                 item.deSerialize(spec.name, idef);
2312                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
2313                 // Image size on screen
2314                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
2315                 // Image rectangle on screen
2316                 core::rect<s32> rect = imgrect + spec.pos;
2317                 const video::SColor color(255,255,255,255);
2318                 const video::SColor colors[] = {color,color,color,color};
2319                 driver->draw2DImage(texture, rect,
2320                         core::rect<s32>(core::position2d<s32>(0,0),
2321                                         core::dimension2di(texture->getOriginalSize())),
2322                         NULL/*&AbsoluteClippingRect*/, colors, true);
2323         }
2324
2325         /*
2326                 Draw items
2327                 Phase 0: Item slot rectangles
2328                 Phase 1: Item images; prepare tooltip
2329         */
2330         int start_phase=0;
2331         for(int phase=start_phase; phase<=1; phase++)
2332         for(u32 i=0; i<m_inventorylists.size(); i++)
2333         {
2334                 drawList(m_inventorylists[i], phase);
2335         }
2336
2337         /*
2338                 Call base class
2339         */
2340         gui::IGUIElement::draw();
2341
2342 /* TODO find way to show tooltips on touchscreen */
2343 #ifndef HAVE_TOUCHSCREENGUI
2344         m_pointer = m_device->getCursorControl()->getPosition();
2345 #endif
2346
2347         /*
2348                 Draw fields/buttons tooltips
2349         */
2350         gui::IGUIElement *hovered =
2351                         Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
2352
2353         if (hovered != NULL) {
2354                 s32 id = hovered->getID();
2355                 u32 delta;
2356                 if (id == -1) {
2357                         m_old_tooltip_id = id;
2358                         m_old_tooltip = "";
2359                         delta = 0;
2360                 } else if (id != m_old_tooltip_id) {
2361                         m_hoovered_time = getTimeMs();
2362                         m_old_tooltip_id = id;
2363                         delta = 0;
2364                 } else if (id == m_old_tooltip_id) {
2365                         delta = porting::getDeltaMs(m_hoovered_time, getTimeMs());
2366                 }
2367                 if (id != -1 && delta >= m_tooltip_show_delay) {
2368                         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
2369                                         iter != m_fields.end(); iter++) {
2370                                 if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
2371                                         if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
2372                                                 m_old_tooltip = m_tooltips[iter->fname].tooltip;
2373                                                 m_tooltip_element->setText(narrow_to_wide(m_tooltips[iter->fname].tooltip).c_str());
2374                                                 s32 tooltip_x = m_pointer.X + m_btn_height;
2375                                                 s32 tooltip_y = m_pointer.Y + m_btn_height;
2376                                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
2377                                                 if (tooltip_x + tooltip_width > (s32)screenSize.X)
2378                                                         tooltip_x = (s32)screenSize.X - tooltip_width - m_btn_height;
2379                                                 int lines_count = 1;
2380                                                 size_t i = 0;
2381                                                 while ((i = m_tooltips[iter->fname].tooltip.find("\n", i)) != std::string::npos) {
2382                                                         lines_count++;
2383                                                         i += 2;
2384                                                 }
2385                                                 s32 tooltip_height = m_tooltip_element->getTextHeight() * lines_count + 5;
2386                                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
2387                                                 core::position2d<s32>(tooltip_x, tooltip_y),
2388                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
2389                                         }
2390                                         m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
2391                                         m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
2392                                         m_tooltip_element->setVisible(true);
2393                                         this->bringToFront(m_tooltip_element);
2394                                         break;
2395                                 }
2396                         }
2397                 }
2398         }
2399
2400         /*
2401                 Draw dragged item stack
2402         */
2403         drawSelectedItem();
2404 }
2405
2406 void GUIFormSpecMenu::updateSelectedItem()
2407 {
2408         // If the selected stack has become empty for some reason, deselect it.
2409         // If the selected stack has become inaccessible, deselect it.
2410         // If the selected stack has become smaller, adjust m_selected_amount.
2411         ItemStack selected = verifySelectedItem();
2412
2413         // WARNING: BLACK MAGIC
2414         // See if there is a stack suited for our current guess.
2415         // If such stack does not exist, clear the guess.
2416         if(m_selected_content_guess.name != "" &&
2417                         selected.name == m_selected_content_guess.name &&
2418                         selected.count == m_selected_content_guess.count){
2419                 // Selected item fits the guess. Skip the black magic.
2420         }
2421         else if(m_selected_content_guess.name != ""){
2422                 bool found = false;
2423                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
2424                         const ListDrawSpec &s = m_inventorylists[i];
2425                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2426                         if(!inv)
2427                                 continue;
2428                         InventoryList *list = inv->getList(s.listname);
2429                         if(!list)
2430                                 continue;
2431                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
2432                                 u32 item_i = i + s.start_item_i;
2433                                 if(item_i >= list->getSize())
2434                                         continue;
2435                                 ItemStack stack = list->getItem(item_i);
2436                                 if(stack.name == m_selected_content_guess.name &&
2437                                                 stack.count == m_selected_content_guess.count){
2438                                         found = true;
2439                                         infostream<<"Client: Changing selected content guess to "
2440                                                         <<s.inventoryloc.dump()<<" "<<s.listname
2441                                                         <<" "<<item_i<<std::endl;
2442                                         delete m_selected_item;
2443                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
2444                                         m_selected_amount = stack.count;
2445                                 }
2446                         }
2447                 }
2448                 if(!found){
2449                         infostream<<"Client: Discarding selected content guess: "
2450                                         <<m_selected_content_guess.getItemString()<<std::endl;
2451                         m_selected_content_guess.name = "";
2452                 }
2453         }
2454
2455         // If craftresult is nonempty and nothing else is selected, select it now.
2456         if(!m_selected_item)
2457         {
2458                 for(u32 i=0; i<m_inventorylists.size(); i++)
2459                 {
2460                         const ListDrawSpec &s = m_inventorylists[i];
2461                         if(s.listname == "craftpreview")
2462                         {
2463                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
2464                                 InventoryList *list = inv->getList("craftresult");
2465                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
2466                                 {
2467                                         m_selected_item = new ItemSpec;
2468                                         m_selected_item->inventoryloc = s.inventoryloc;
2469                                         m_selected_item->listname = "craftresult";
2470                                         m_selected_item->i = 0;
2471                                         m_selected_amount = 0;
2472                                         m_selected_dragging = false;
2473                                         break;
2474                                 }
2475                         }
2476                 }
2477         }
2478
2479         // If craftresult is selected, keep the whole stack selected
2480         if(m_selected_item && m_selected_item->listname == "craftresult")
2481         {
2482                 m_selected_amount = verifySelectedItem().count;
2483         }
2484 }
2485
2486 ItemStack GUIFormSpecMenu::verifySelectedItem()
2487 {
2488         // If the selected stack has become empty for some reason, deselect it.
2489         // If the selected stack has become inaccessible, deselect it.
2490         // If the selected stack has become smaller, adjust m_selected_amount.
2491         // Return the selected stack.
2492
2493         if(m_selected_item)
2494         {
2495                 if(m_selected_item->isValid())
2496                 {
2497                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
2498                         if(inv)
2499                         {
2500                                 InventoryList *list = inv->getList(m_selected_item->listname);
2501                                 if(list && (u32) m_selected_item->i < list->getSize())
2502                                 {
2503                                         ItemStack stack = list->getItem(m_selected_item->i);
2504                                         if(m_selected_amount > stack.count)
2505                                                 m_selected_amount = stack.count;
2506                                         if(!stack.empty())
2507                                                 return stack;
2508                                 }
2509                         }
2510                 }
2511
2512                 // selection was not valid
2513                 delete m_selected_item;
2514                 m_selected_item = NULL;
2515                 m_selected_amount = 0;
2516                 m_selected_dragging = false;
2517         }
2518         return ItemStack();
2519 }
2520
2521 void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
2522 {
2523         if(m_text_dst)
2524         {
2525                 std::map<std::string, std::string> fields;
2526
2527                 if (quitmode == quit_mode_accept) {
2528                         fields["quit"] = "true";
2529                 }
2530
2531                 if (quitmode == quit_mode_cancel) {
2532                         fields["quit"] = "true";
2533                         m_text_dst->gotText(fields);
2534                         return;
2535                 }
2536
2537                 if (current_keys_pending.key_down) {
2538                         fields["key_down"] = "true";
2539                         current_keys_pending.key_down = false;
2540                 }
2541
2542                 if (current_keys_pending.key_up) {
2543                         fields["key_up"] = "true";
2544                         current_keys_pending.key_up = false;
2545                 }
2546
2547                 if (current_keys_pending.key_enter) {
2548                         fields["key_enter"] = "true";
2549                         current_keys_pending.key_enter = false;
2550                 }
2551
2552                 if (current_keys_pending.key_escape) {
2553                         fields["key_escape"] = "true";
2554                         current_keys_pending.key_escape = false;
2555                 }
2556
2557                 for(unsigned int i=0; i<m_fields.size(); i++) {
2558                         const FieldSpec &s = m_fields[i];
2559                         if(s.send) {
2560                                 std::string name  = wide_to_narrow(s.fname);
2561                                 if(s.ftype == f_Button) {
2562                                         fields[name] = wide_to_narrow(s.flabel);
2563                                 }
2564                                 else if(s.ftype == f_Table) {
2565                                         GUITable *table = getTable(s.fname);
2566                                         if (table) {
2567                                                 fields[name] = table->checkEvent();
2568                                         }
2569                                 }
2570                                 else if(s.ftype == f_DropDown) {
2571                                         // no dynamic cast possible due to some distributions shipped
2572                                         // without rtti support in irrlicht
2573                                         IGUIElement * element = getElementFromId(s.fid);
2574                                         gui::IGUIComboBox *e = NULL;
2575                                         if ((element) && (element->getType() == gui::EGUIET_COMBO_BOX)) {
2576                                                 e = static_cast<gui::IGUIComboBox*>(element);
2577                                         }
2578                                         s32 selected = e->getSelected();
2579                                         if (selected >= 0) {
2580                                                 fields[name] =
2581                                                         wide_to_narrow(e->getItem(selected));
2582                                         }
2583                                 }
2584                                 else if (s.ftype == f_TabHeader) {
2585                                         // no dynamic cast possible due to some distributions shipped
2586                                         // without rtti support in irrlicht
2587                                         IGUIElement * element = getElementFromId(s.fid);
2588                                         gui::IGUITabControl *e = NULL;
2589                                         if ((element) && (element->getType() == gui::EGUIET_TAB_CONTROL)) {
2590                                                 e = static_cast<gui::IGUITabControl*>(element);
2591                                         }
2592
2593                                         if (e != 0) {
2594                                                 std::stringstream ss;
2595                                                 ss << (e->getActiveTab() +1);
2596                                                 fields[name] = ss.str();
2597                                         }
2598                                 }
2599                                 else if (s.ftype == f_CheckBox) {
2600                                         // no dynamic cast possible due to some distributions shipped
2601                                         // without rtti support in irrlicht
2602                                         IGUIElement * element = getElementFromId(s.fid);
2603                                         gui::IGUICheckBox *e = NULL;
2604                                         if ((element) && (element->getType() == gui::EGUIET_CHECK_BOX)) {
2605                                                 e = static_cast<gui::IGUICheckBox*>(element);
2606                                         }
2607
2608                                         if (e != 0) {
2609                                                 if (e->isChecked())
2610                                                         fields[name] = "true";
2611                                                 else
2612                                                         fields[name] = "false";
2613                                         }
2614                                 }
2615                                 else if (s.ftype == f_ScrollBar) {
2616                                         // no dynamic cast possible due to some distributions shipped
2617                                         // without rtti support in irrlicht
2618                                         IGUIElement * element = getElementFromId(s.fid);
2619                                         gui::IGUIScrollBar *e = NULL;
2620                                         if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
2621                                                 e = static_cast<gui::IGUIScrollBar*>(element);
2622                                         }
2623
2624                                         if (e != 0) {
2625                                                 std::stringstream os;
2626                                                 os << e->getPos();
2627                                                 if (s.fdefault == L"Changed")
2628                                                         fields[name] = "CHG:" + os.str();
2629                                                 else
2630                                                         fields[name] = "VAL:" + os.str();
2631                                         }
2632                                 }
2633                                 else
2634                                 {
2635                                         IGUIElement* e = getElementFromId(s.fid);
2636                                         if(e != NULL) {
2637                                                 fields[name] = wide_to_narrow(e->getText());
2638                                         }
2639                                 }
2640                         }
2641                 }
2642
2643                 m_text_dst->gotText(fields);
2644         }
2645 }
2646
2647 static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
2648 {
2649         while(tocheck != NULL) {
2650                 if (tocheck == parent) {
2651                         return true;
2652                 }
2653                 tocheck = tocheck->getParent();
2654         }
2655         return false;
2656 }
2657
2658 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
2659 {
2660         // Fix Esc/Return key being eaten by checkboxen and tables
2661         if(event.EventType==EET_KEY_INPUT_EVENT) {
2662                 KeyPress kp(event.KeyInput);
2663                 if (kp == EscapeKey || kp == CancelKey
2664                                 || kp == getKeySetting("keymap_inventory")
2665                                 || event.KeyInput.Key==KEY_RETURN) {
2666                         gui::IGUIElement *focused = Environment->getFocus();
2667                         if (focused && isMyChild(focused) &&
2668                                         (focused->getType() == gui::EGUIET_LIST_BOX ||
2669                                          focused->getType() == gui::EGUIET_CHECK_BOX)) {
2670                                 OnEvent(event);
2671                                 return true;
2672                         }
2673                 }
2674         }
2675         // Mouse wheel events: send to hovered element instead of focused
2676         if(event.EventType==EET_MOUSE_INPUT_EVENT
2677                         && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
2678                 s32 x = event.MouseInput.X;
2679                 s32 y = event.MouseInput.Y;
2680                 gui::IGUIElement *hovered =
2681                         Environment->getRootGUIElement()->getElementFromPoint(
2682                                 core::position2d<s32>(x, y));
2683                 if (hovered && isMyChild(hovered)) {
2684                         hovered->OnEvent(event);
2685                         return true;
2686                 }
2687         }
2688
2689         if (event.EventType == EET_MOUSE_INPUT_EVENT) {
2690                 s32 x = event.MouseInput.X;
2691                 s32 y = event.MouseInput.Y;
2692                 gui::IGUIElement *hovered =
2693                         Environment->getRootGUIElement()->getElementFromPoint(
2694                                 core::position2d<s32>(x, y));
2695                 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2696                         m_old_tooltip_id = -1;
2697                         m_old_tooltip = "";
2698                 }
2699                 if (!isChild(hovered,this)) {
2700                         if (DoubleClickDetection(event)) {
2701                                 return true;
2702                         }
2703                 }
2704         }
2705
2706         #ifdef __ANDROID__
2707         // display software keyboard when clicking edit boxes
2708         if (event.EventType == EET_MOUSE_INPUT_EVENT
2709                         && event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2710                 gui::IGUIElement *hovered =
2711                         Environment->getRootGUIElement()->getElementFromPoint(
2712                                 core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
2713                 if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
2714                         bool retval = hovered->OnEvent(event);
2715                         if (retval) {
2716                                 Environment->setFocus(hovered);
2717                         }
2718                         m_JavaDialogFieldName = getNameByID(hovered->getID());
2719                         std::string message   = gettext("Enter ");
2720                         std::string label     = wide_to_narrow(getLabelByID(hovered->getID()));
2721                         if (label == "") {
2722                                 label = "text";
2723                         }
2724                         message += gettext(label) + ":";
2725
2726                         /* single line text input */
2727                         int type = 2;
2728
2729                         /* multi line text input */
2730                         if (((gui::IGUIEditBox*) hovered)->isMultiLineEnabled()) {
2731                                 type = 1;
2732                         }
2733
2734                         /* passwords are always single line */
2735                         if (((gui::IGUIEditBox*) hovered)->isPasswordBox()) {
2736                                 type = 3;
2737                         }
2738
2739                         porting::showInputDialog(gettext("ok"), "",
2740                                         wide_to_narrow(((gui::IGUIEditBox*) hovered)->getText()),
2741                                         type);
2742                         return retval;
2743                 }
2744         }
2745
2746         if (event.EventType == EET_TOUCH_INPUT_EVENT)
2747         {
2748                 SEvent translated;
2749                 memset(&translated, 0, sizeof(SEvent));
2750                 translated.EventType   = EET_MOUSE_INPUT_EVENT;
2751                 gui::IGUIElement* root = Environment->getRootGUIElement();
2752
2753                 if (!root) {
2754                         errorstream
2755                         << "GUIFormSpecMenu::preprocessEvent unable to get root element"
2756                         << std::endl;
2757                         return false;
2758                 }
2759                 gui::IGUIElement* hovered = root->getElementFromPoint(
2760                         core::position2d<s32>(
2761                                         event.TouchInput.X,
2762                                         event.TouchInput.Y));
2763
2764                 translated.MouseInput.X = event.TouchInput.X;
2765                 translated.MouseInput.Y = event.TouchInput.Y;
2766                 translated.MouseInput.Control = false;
2767
2768                 bool dont_send_event = false;
2769
2770                 if (event.TouchInput.touchedCount == 1) {
2771                         switch (event.TouchInput.Event) {
2772                                 case ETIE_PRESSED_DOWN:
2773                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2774                                         translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
2775                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2776                                         m_down_pos = m_pointer;
2777                                         break;
2778                                 case ETIE_MOVED:
2779                                         m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
2780                                         translated.MouseInput.Event = EMIE_MOUSE_MOVED;
2781                                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2782                                         break;
2783                                 case ETIE_LEFT_UP:
2784                                         translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
2785                                         translated.MouseInput.ButtonStates = 0;
2786                                         hovered = root->getElementFromPoint(m_down_pos);
2787                                         /* we don't have a valid pointer element use last
2788                                          * known pointer pos */
2789                                         translated.MouseInput.X = m_pointer.X;
2790                                         translated.MouseInput.Y = m_pointer.Y;
2791
2792                                         /* reset down pos */
2793                                         m_down_pos = v2s32(0,0);
2794                                         break;
2795                                 default:
2796                                         dont_send_event = true;
2797                                         //this is not supposed to happen
2798                                         errorstream
2799                                         << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
2800                                         << event.TouchInput.Event << std::endl;
2801                         }
2802                 } else if ( (event.TouchInput.touchedCount == 2) &&
2803                                 (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
2804                         hovered = root->getElementFromPoint(m_down_pos);
2805
2806                         translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
2807                         translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
2808                         translated.MouseInput.X = m_pointer.X;
2809                         translated.MouseInput.Y = m_pointer.Y;
2810
2811                         if (hovered) {
2812                                 hovered->OnEvent(translated);
2813                         }
2814
2815                         translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
2816                         translated.MouseInput.ButtonStates = EMBSM_LEFT;
2817
2818
2819                         if (hovered) {
2820                                 hovered->OnEvent(translated);
2821                         }
2822                         dont_send_event = true;
2823                 }
2824                 /* ignore unhandled 2 touch events ... accidental moving for example */
2825                 else if (event.TouchInput.touchedCount == 2) {
2826                         dont_send_event = true;
2827                 }
2828                 else if (event.TouchInput.touchedCount > 2) {
2829                         errorstream
2830                         << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
2831                         << event.TouchInput.touchedCount << " ignoring them" << std::endl;
2832                 }
2833
2834                 if (dont_send_event) {
2835                         return true;
2836                 }
2837
2838                 /* check if translated event needs to be preprocessed again */
2839                 if (preprocessEvent(translated)) {
2840                         return true;
2841                 }
2842                 if (hovered) {
2843                         grab();
2844                         bool retval = hovered->OnEvent(translated);
2845
2846                         if (event.TouchInput.Event == ETIE_LEFT_UP) {
2847                                 /* reset pointer */
2848                                 m_pointer = v2s32(0,0);
2849                         }
2850                         drop();
2851                         return retval;
2852                 }
2853         }
2854         #endif
2855
2856         return false;
2857 }
2858
2859 /******************************************************************************/
2860 bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
2861 {
2862         if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
2863                 m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
2864                 m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
2865
2866                 m_doubleclickdetect[1].pos  = m_pointer;
2867                 m_doubleclickdetect[1].time = getTimeMs();
2868         }
2869         else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
2870                 u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
2871                 if (delta > 400) {
2872                         return false;
2873                 }
2874
2875                 double squaredistance =
2876                                 m_doubleclickdetect[0].pos
2877                                 .getDistanceFromSQ(m_doubleclickdetect[1].pos);
2878
2879                 if (squaredistance > (30*30)) {
2880                         return false;
2881                 }
2882
2883                 SEvent* translated = new SEvent();
2884                 assert(translated != 0);
2885                 //translate doubleclick to escape
2886                 memset(translated, 0, sizeof(SEvent));
2887                 translated->EventType = irr::EET_KEY_INPUT_EVENT;
2888                 translated->KeyInput.Key         = KEY_ESCAPE;
2889                 translated->KeyInput.Control     = false;
2890                 translated->KeyInput.Shift       = false;
2891                 translated->KeyInput.PressedDown = true;
2892                 translated->KeyInput.Char        = 0;
2893                 OnEvent(*translated);
2894
2895                 // no need to send the key up event as we're already deleted
2896                 // and no one else did notice this event
2897                 delete translated;
2898                 return true;
2899         }
2900         return false;
2901 }
2902
2903 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
2904 {
2905         if(event.EventType==EET_KEY_INPUT_EVENT) {
2906                 KeyPress kp(event.KeyInput);
2907                 if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
2908                         (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
2909                         if (m_allowclose) {
2910                                 doPause = false;
2911                                 acceptInput(quit_mode_cancel);
2912                                 quitMenu();
2913                         } else {
2914                                 m_text_dst->gotText(narrow_to_wide("MenuQuit"));
2915                         }
2916                         return true;
2917                 } else if (m_client != NULL && event.KeyInput.PressedDown &&
2918                         (kp == getKeySetting("keymap_screenshot"))) {
2919                                 m_client->makeScreenshot(m_device);
2920                 }
2921                 if (event.KeyInput.PressedDown &&
2922                         (event.KeyInput.Key==KEY_RETURN ||
2923                          event.KeyInput.Key==KEY_UP ||
2924                          event.KeyInput.Key==KEY_DOWN)
2925                         ) {
2926                         switch (event.KeyInput.Key) {
2927                                 case KEY_RETURN:
2928                                         current_keys_pending.key_enter = true;
2929                                         break;
2930                                 case KEY_UP:
2931                                         current_keys_pending.key_up = true;
2932                                         break;
2933                                 case KEY_DOWN:
2934                                         current_keys_pending.key_down = true;
2935                                         break;
2936                                 break;
2937                                 default:
2938                                         //can't happen at all!
2939                                         assert("reached a source line that can't ever been reached" == 0);
2940                                         break;
2941                         }
2942                         if (current_keys_pending.key_enter && m_allowclose) {
2943                                 acceptInput(quit_mode_accept);
2944                                 quitMenu();
2945                         } else {
2946                                 acceptInput();
2947                         }
2948                         return true;
2949                 }
2950
2951         }
2952
2953         if((event.EventType==EET_MOUSE_INPUT_EVENT &&
2954                         event.MouseInput.Event != EMIE_MOUSE_MOVED) ||
2955                         (event.MouseInput.Event == EMIE_MOUSE_MOVED &&
2956                         event.MouseInput.isRightPressed() && getItemAtPos(m_pointer).i != getItemAtPos(m_old_pointer).i)){
2957                 // Mouse event other than movement or crossing the border of inventory field while holding rmb
2958
2959                 // Get selected item and hovered/clicked item (s)
2960
2961                 m_old_tooltip_id = -1;
2962                 updateSelectedItem();
2963                 ItemSpec s = getItemAtPos(m_pointer);
2964
2965                 Inventory *inv_selected = NULL;
2966                 Inventory *inv_s = NULL;
2967
2968                 if(m_selected_item) {
2969                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
2970                         assert(inv_selected);
2971                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
2972                 }
2973
2974                 u32 s_count = 0;
2975
2976                 if(s.isValid())
2977                 do { // breakable
2978                         inv_s = m_invmgr->getInventory(s.inventoryloc);
2979
2980                         if(!inv_s) {
2981                                 errorstream<<"InventoryMenu: The selected inventory location "
2982                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
2983                                                 <<std::endl;
2984                                 s.i = -1;  // make it invalid again
2985                                 break;
2986                         }
2987
2988                         InventoryList *list = inv_s->getList(s.listname);
2989                         if(list == NULL) {
2990                                 verbosestream<<"InventoryMenu: The selected inventory list \""
2991                                                 <<s.listname<<"\" does not exist"<<std::endl;
2992                                 s.i = -1;  // make it invalid again
2993                                 break;
2994                         }
2995
2996                         if((u32)s.i >= list->getSize()) {
2997                                 infostream<<"InventoryMenu: The selected inventory list \""
2998                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
2999                                                 <<list->getSize()<<")"<<std::endl;
3000                                 s.i = -1;  // make it invalid again
3001                                 break;
3002                         }
3003
3004                         s_count = list->getItem(s.i).count;
3005                 } while(0);
3006
3007                 bool identical = (m_selected_item != NULL) && s.isValid() &&
3008                         (inv_selected == inv_s) &&
3009                         (m_selected_item->listname == s.listname) &&
3010                         (m_selected_item->i == s.i);
3011
3012                 // buttons: 0 = left, 1 = right, 2 = middle
3013                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
3014                 int button = 0;
3015                 int updown = 2;
3016                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
3017                         { button = 0; updown = 0; }
3018                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
3019                         { button = 1; updown = 0; }
3020                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
3021                         { button = 2; updown = 0; }
3022                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
3023                         { button = 0; updown = 1; }
3024                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
3025                         { button = 1; updown = 1; }
3026                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
3027                         { button = 2; updown = 1; }
3028                 else if(event.MouseInput.Event == EMIE_MOUSE_MOVED)
3029                         { updown = -1;}
3030
3031                 // Set this number to a positive value to generate a move action
3032                 // from m_selected_item to s.
3033                 u32 move_amount = 0;
3034
3035                 // Set this number to a positive value to generate a drop action
3036                 // from m_selected_item.
3037                 u32 drop_amount = 0;
3038
3039                 // Set this number to a positive value to generate a craft action at s.
3040                 u32 craft_amount = 0;
3041
3042                 if(updown == 0) {
3043                         // Some mouse button has been pressed
3044
3045                         //infostream<<"Mouse button "<<button<<" pressed at p=("
3046                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3047
3048                         m_selected_dragging = false;
3049
3050                         if(s.isValid() && s.listname == "craftpreview") {
3051                                 // Craft preview has been clicked: craft
3052                                 craft_amount = (button == 2 ? 10 : 1);
3053                         }
3054                         else if(m_selected_item == NULL) {
3055                                 if(s_count != 0) {
3056                                         // Non-empty stack has been clicked: select it
3057                                         m_selected_item = new ItemSpec(s);
3058
3059                                         if(button == 1)  // right
3060                                                 m_selected_amount = (s_count + 1) / 2;
3061                                         else if(button == 2)  // middle
3062                                                 m_selected_amount = MYMIN(s_count, 10);
3063                                         else  // left
3064                                                 m_selected_amount = s_count;
3065
3066                                         m_selected_dragging = true;
3067                                 }
3068                         }
3069                         else { // m_selected_item != NULL
3070                                 assert(m_selected_amount >= 1);
3071
3072                                 if(s.isValid()) {
3073                                         // Clicked a slot: move
3074                                         if(button == 1)  // right
3075                                                 move_amount = 1;
3076                                         else if(button == 2)  // middle
3077                                                 move_amount = MYMIN(m_selected_amount, 10);
3078                                         else  // left
3079                                                 move_amount = m_selected_amount;
3080
3081                                         if(identical) {
3082                                                 if(move_amount >= m_selected_amount)
3083                                                         m_selected_amount = 0;
3084                                                 else
3085                                                         m_selected_amount -= move_amount;
3086                                                 move_amount = 0;
3087                                         }
3088                                 }
3089                                 else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
3090                                         // Clicked outside of the window: drop
3091                                         if(button == 1)  // right
3092                                                 drop_amount = 1;
3093                                         else if(button == 2)  // middle
3094                                                 drop_amount = MYMIN(m_selected_amount, 10);
3095                                         else  // left
3096                                                 drop_amount = m_selected_amount;
3097                                 }
3098                         }
3099                 }
3100                 else if(updown == 1) {
3101                         // Some mouse button has been released
3102
3103                         //infostream<<"Mouse button "<<button<<" released at p=("
3104                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
3105
3106                         if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
3107                                 if(!identical) {
3108                                         // Dragged to different slot: move all selected
3109                                         move_amount = m_selected_amount;
3110                                 }
3111                         }
3112                         else if(m_selected_item != NULL && m_selected_dragging &&
3113                                 !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
3114                                 // Dragged outside of window: drop all selected
3115                                 drop_amount = m_selected_amount;
3116                         }
3117
3118                         m_selected_dragging = false;
3119                 }
3120                 else if(updown == -1) {
3121                         // Mouse has been moved and rmb is down and mouse pointer just
3122                         // entered a new inventory field (checked in the entry-if, this
3123                         // is the only action here that is generated by mouse movement)
3124                         if(m_selected_item != NULL && s.isValid()){
3125                                 // Move 1 item
3126                                 // TODO: middle mouse to move 10 items might be handy
3127                                 move_amount = 1;
3128                         }
3129                 }
3130
3131                 // Possibly send inventory action to server
3132                 if(move_amount > 0)
3133                 {
3134                         // Send IACTION_MOVE
3135
3136                         assert(m_selected_item && m_selected_item->isValid());
3137                         assert(s.isValid());
3138
3139                         assert(inv_selected && inv_s);
3140                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3141                         InventoryList *list_to = inv_s->getList(s.listname);
3142                         assert(list_from && list_to);
3143                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3144                         ItemStack stack_to = list_to->getItem(s.i);
3145
3146                         // Check how many items can be moved
3147                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
3148                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
3149                         // If source stack cannot be added to destination stack at all,
3150                         // they are swapped
3151                         if ((leftover.count == stack_from.count) &&
3152                                         (leftover.name == stack_from.name)) {
3153                                 m_selected_amount = stack_to.count;
3154                                 // In case the server doesn't directly swap them but instead
3155                                 // moves stack_to somewhere else, set this
3156                                 m_selected_content_guess = stack_to;
3157                                 m_selected_content_guess_inventory = s.inventoryloc;
3158                         }
3159                         // Source stack goes fully into destination stack
3160                         else if(leftover.empty()) {
3161                                 m_selected_amount -= move_amount;
3162                                 m_selected_content_guess = ItemStack(); // Clear
3163                         }
3164                         // Source stack goes partly into destination stack
3165                         else {
3166                                 move_amount -= leftover.count;
3167                                 m_selected_amount -= move_amount;
3168                                 m_selected_content_guess = ItemStack(); // Clear
3169                         }
3170
3171                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
3172                         IMoveAction *a = new IMoveAction();
3173                         a->count = move_amount;
3174                         a->from_inv = m_selected_item->inventoryloc;
3175                         a->from_list = m_selected_item->listname;
3176                         a->from_i = m_selected_item->i;
3177                         a->to_inv = s.inventoryloc;
3178                         a->to_list = s.listname;
3179                         a->to_i = s.i;
3180                         m_invmgr->inventoryAction(a);
3181                 }
3182                 else if(drop_amount > 0) {
3183                         m_selected_content_guess = ItemStack(); // Clear
3184
3185                         // Send IACTION_DROP
3186
3187                         assert(m_selected_item && m_selected_item->isValid());
3188                         assert(inv_selected);
3189                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
3190                         assert(list_from);
3191                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
3192
3193                         // Check how many items can be dropped
3194                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
3195                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
3196                         m_selected_amount -= drop_amount;
3197
3198                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
3199                         IDropAction *a = new IDropAction();
3200                         a->count = drop_amount;
3201                         a->from_inv = m_selected_item->inventoryloc;
3202                         a->from_list = m_selected_item->listname;
3203                         a->from_i = m_selected_item->i;
3204                         m_invmgr->inventoryAction(a);
3205                 }
3206                 else if(craft_amount > 0) {
3207                         m_selected_content_guess = ItemStack(); // Clear
3208
3209                         // Send IACTION_CRAFT
3210
3211                         assert(s.isValid());
3212                         assert(inv_s);
3213
3214                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
3215                         ICraftAction *a = new ICraftAction();
3216                         a->count = craft_amount;
3217                         a->craft_inv = s.inventoryloc;
3218                         m_invmgr->inventoryAction(a);
3219                 }
3220
3221                 // If m_selected_amount has been decreased to zero, deselect
3222                 if(m_selected_amount == 0) {
3223                         delete m_selected_item;
3224                         m_selected_item = NULL;
3225                         m_selected_amount = 0;
3226                         m_selected_dragging = false;
3227                         m_selected_content_guess = ItemStack();
3228                 }
3229                 m_old_pointer = m_pointer;
3230         }
3231         if(event.EventType==EET_GUI_EVENT) {
3232
3233                 if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
3234                                 && isVisible()) {
3235                         // find the element that was clicked
3236                         for(unsigned int i=0; i<m_fields.size(); i++) {
3237                                 FieldSpec &s = m_fields[i];
3238                                 if ((s.ftype == f_TabHeader) &&
3239                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3240                                         s.send = true;
3241                                         acceptInput();
3242                                         s.send = false;
3243                                         return true;
3244                                 }
3245                         }
3246                 }
3247                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
3248                                 && isVisible()) {
3249                         if(!canTakeFocus(event.GUIEvent.Element)) {
3250                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
3251                                                 <<std::endl;
3252                                 // Returning true disables focus change
3253                                 return true;
3254                         }
3255                 }
3256                 if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
3257                                 (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
3258                                 (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
3259                                 (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
3260                         unsigned int btn_id = event.GUIEvent.Caller->getID();
3261
3262                         if (btn_id == 257) {
3263                                 if (m_allowclose) {
3264                                         acceptInput(quit_mode_accept);
3265                                         quitMenu();
3266                                 } else {
3267                                         acceptInput();
3268                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3269                                 }
3270                                 // quitMenu deallocates menu
3271                                 return true;
3272                         }
3273
3274                         // find the element that was clicked
3275                         for(u32 i=0; i<m_fields.size(); i++) {
3276                                 FieldSpec &s = m_fields[i];
3277                                 // if its a button, set the send field so
3278                                 // lua knows which button was pressed
3279                                 if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
3280                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3281                                         s.send = true;
3282                                         if(s.is_exit) {
3283                                                 if (m_allowclose) {
3284                                                         acceptInput(quit_mode_accept);
3285                                                         quitMenu();
3286                                                 } else {
3287                                                         m_text_dst->gotText(narrow_to_wide("ExitButton"));
3288                                                 }
3289                                                 return true;
3290                                         } else {
3291                                                 acceptInput(quit_mode_no);
3292                                                 s.send = false;
3293                                                 return true;
3294                                         }
3295                                 }
3296                                 else if ((s.ftype == f_DropDown) &&
3297                                                 (s.fid == event.GUIEvent.Caller->getID())) {
3298                                         // only send the changed dropdown
3299                                         for(u32 i=0; i<m_fields.size(); i++) {
3300                                                 FieldSpec &s2 = m_fields[i];
3301                                                 if (s2.ftype == f_DropDown) {
3302                                                         s2.send = false;
3303                                                 }
3304                                         }
3305                                         s.send = true;
3306                                         acceptInput(quit_mode_no);
3307
3308                                         // revert configuration to make sure dropdowns are sent on
3309                                         // regular button click
3310                                         for(u32 i=0; i<m_fields.size(); i++) {
3311                                                 FieldSpec &s2 = m_fields[i];
3312                                                 if (s2.ftype == f_DropDown) {
3313                                                         s2.send = true;
3314                                                 }
3315                                         }
3316                                         return true;
3317                                 }
3318                                 else if ((s.ftype == f_ScrollBar) &&
3319                                         (s.fid == event.GUIEvent.Caller->getID()))
3320                                 {
3321                                         s.fdefault = L"Changed";
3322                                         acceptInput(quit_mode_no);
3323                                         s.fdefault = L"";
3324                                 }
3325                         }
3326                 }
3327
3328                 if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
3329                         if(event.GUIEvent.Caller->getID() > 257) {
3330
3331                                 if (m_allowclose) {
3332                                         acceptInput(quit_mode_accept);
3333                                         quitMenu();
3334                                 } else {
3335                                         current_keys_pending.key_enter = true;
3336                                         acceptInput();
3337                                 }
3338                                 // quitMenu deallocates menu
3339                                 return true;
3340                         }
3341                 }
3342
3343                 if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
3344                         int current_id = event.GUIEvent.Caller->getID();
3345                         if(current_id > 257) {
3346                                 // find the element that was clicked
3347                                 for(u32 i=0; i<m_fields.size(); i++) {
3348                                         FieldSpec &s = m_fields[i];
3349                                         // if it's a table, set the send field
3350                                         // so lua knows which table was changed
3351                                         if ((s.ftype == f_Table) && (s.fid == current_id)) {
3352                                                 s.send = true;
3353                                                 acceptInput();
3354                                                 s.send=false;
3355                                         }
3356                                 }
3357                                 return true;
3358                         }
3359                 }
3360         }
3361
3362         return Parent ? Parent->OnEvent(event) : false;
3363 }
3364
3365 /**
3366  * get name of element by element id
3367  * @param id of element
3368  * @return name string or empty string
3369  */
3370 std::wstring GUIFormSpecMenu::getNameByID(s32 id)
3371 {
3372         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3373                                 iter != m_fields.end(); iter++) {
3374                 if (iter->fid == id) {
3375                         return iter->fname;
3376                 }
3377         }
3378         return L"";
3379 }
3380
3381 /**
3382  * get label of element by id
3383  * @param id of element
3384  * @return label string or empty string
3385  */
3386 std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
3387 {
3388         for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
3389                                 iter != m_fields.end(); iter++) {
3390                 if (iter->fid == id) {
3391                         return iter->flabel;
3392                 }
3393         }
3394         return L"";
3395 }
3396
3397 bool GUIFormSpecMenu::parseColor(const std::string &value, video::SColor &color,
3398                 bool quiet)
3399 {
3400         const char *hexpattern = NULL;
3401         if (value[0] == '#') {
3402                 if (value.size() == 9)
3403                         hexpattern = "#RRGGBBAA";
3404                 else if (value.size() == 7)
3405                         hexpattern = "#RRGGBB";
3406                 else if (value.size() == 5)
3407                         hexpattern = "#RGBA";
3408                 else if (value.size() == 4)
3409                         hexpattern = "#RGB";
3410         }
3411
3412         if (hexpattern) {
3413                 assert(strlen(hexpattern) == value.size());
3414                 video::SColor outcolor(255, 255, 255, 255);
3415                 for (size_t pos = 0; pos < value.size(); ++pos) {
3416                         // '#' in the pattern means skip that character
3417                         if (hexpattern[pos] == '#')
3418                                 continue;
3419
3420                         // Else assume hexpattern[pos] is one of 'R' 'G' 'B' 'A'
3421                         // Read one or two digits, depending on hexpattern
3422                         unsigned char c1, c2;
3423                         if (hexpattern[pos+1] == hexpattern[pos]) {
3424                                 // Two digits, e.g. hexpattern == "#RRGGBB"
3425                                 if (!hex_digit_decode(value[pos], c1) ||
3426                                     !hex_digit_decode(value[pos+1], c2))
3427                                         goto fail;
3428                                 ++pos;
3429                         }
3430                         else {
3431                                 // One digit, e.g. hexpattern == "#RGB"
3432                                 if (!hex_digit_decode(value[pos], c1))
3433                                         goto fail;
3434                                 c2 = c1;
3435                         }
3436                         u32 colorpart = ((c1 & 0x0f) << 4) | (c2 & 0x0f);
3437
3438                         // Update outcolor with newly read color part
3439                         if (hexpattern[pos] == 'R')
3440                                 outcolor.setRed(colorpart);
3441                         else if (hexpattern[pos] == 'G')
3442                                 outcolor.setGreen(colorpart);
3443                         else if (hexpattern[pos] == 'B')
3444                                 outcolor.setBlue(colorpart);
3445                         else if (hexpattern[pos] == 'A')
3446                                 outcolor.setAlpha(colorpart);
3447                 }
3448
3449                 color = outcolor;
3450                 return true;
3451         }
3452
3453         // Optionally, named colors could be implemented here
3454
3455 fail:
3456         if (!quiet)
3457                 errorstream<<"Invalid color: \""<<value<<"\""<<std::endl;
3458         return false;
3459 }