src/guiFormSpecMenu.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 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 "guiFormSpecMenu.h"
  22 #include "constants.h"
  23 #include "gamedef.h"
  24 #include "keycode.h"
  25 #include "strfnd.h"
  26 #include <IGUICheckBox.h>
  27 #include <IGUIEditBox.h>
  28 #include <IGUIButton.h>
  29 #include <IGUIStaticText.h>
  30 #include <IGUIFont.h>
  31 #include "log.h"
  32 #include "tile.h" // ITextureSource
  33 #include "util/string.h"
  34 #include "util/numeric.h"
  35
  36 #include "gettext.h"
  37
  38 void drawItemStack(video::IVideoDriver *driver,
  39                 gui::IGUIFont *font,
  40                 const ItemStack &item,
  41                 const core::rect<s32> &rect,
  42                 const core::rect<s32> *clip,
  43                 IGameDef *gamedef)
  44 {
  45         if(item.empty())
  46                 return;
  47
  48         const ItemDefinition &def = item.getDefinition(gamedef->idef());
  49         video::ITexture *texture = gamedef->idef()->getInventoryTexture(def.name, gamedef);
  50
  51         // Draw the inventory texture
  52         if(texture != NULL)
  53         {
  54                 const video::SColor color(255,255,255,255);
  55                 const video::SColor colors[] = {color,color,color,color};
  56                 driver->draw2DImage(texture, rect,
  57                         core::rect<s32>(core::position2d<s32>(0,0),
  58                         core::dimension2di(texture->getOriginalSize())),
  59                         clip, colors, true);
  60         }
  61
  62         if(def.type == ITEM_TOOL && item.wear != 0)
  63         {
  64                 // Draw a progressbar
  65                 float barheight = rect.getHeight()/16;
  66                 float barpad_x = rect.getWidth()/16;
  67                 float barpad_y = rect.getHeight()/16;
  68                 core::rect<s32> progressrect(
  69                         rect.UpperLeftCorner.X + barpad_x,
  70                         rect.LowerRightCorner.Y - barpad_y - barheight,
  71                         rect.LowerRightCorner.X - barpad_x,
  72                         rect.LowerRightCorner.Y - barpad_y);
  73
  74                 // Shrink progressrect by amount of tool damage
  75                 float wear = item.wear / 65535.0;
  76                 int progressmid =
  77                         wear * progressrect.UpperLeftCorner.X +
  78                         (1-wear) * progressrect.LowerRightCorner.X;
  79
  80                 // Compute progressbar color
  81                 //   wear = 0.0: green
  82                 //   wear = 0.5: yellow
  83                 //   wear = 1.0: red
  84                 video::SColor color(255,255,255,255);
  85                 int wear_i = MYMIN(floor(wear * 600), 511);
  86                 wear_i = MYMIN(wear_i + 10, 511);
  87                 if(wear_i <= 255)
  88                         color.set(255, wear_i, 255, 0);
  89                 else
  90                         color.set(255, 255, 511-wear_i, 0);
  91
  92                 core::rect<s32> progressrect2 = progressrect;
  93                 progressrect2.LowerRightCorner.X = progressmid;
  94                 driver->draw2DRectangle(color, progressrect2, clip);
  95
  96                 color = video::SColor(255,0,0,0);
  97                 progressrect2 = progressrect;
  98                 progressrect2.UpperLeftCorner.X = progressmid;
  99                 driver->draw2DRectangle(color, progressrect2, clip);
 100         }
 101
 102         if(font != NULL && item.count >= 2)
 103         {
 104                 // Get the item count as a string
 105                 std::string text = itos(item.count);
 106                 v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
 107                 v2s32 sdim(dim.X,dim.Y);
 108
 109                 core::rect<s32> rect2(
 110                         /*rect.UpperLeftCorner,
 111                         core::dimension2d<u32>(rect.getWidth(), 15)*/
 112                         rect.LowerRightCorner - sdim,
 113                         sdim
 114                 );
 115
 116                 video::SColor bgcolor(128,0,0,0);
 117                 driver->draw2DRectangle(bgcolor, rect2, clip);
 118
 119                 video::SColor color(255,255,255,255);
 120                 font->draw(text.c_str(), rect2, color, false, false, clip);
 121         }
 122 }
 123
 124 /*
 125         GUIFormSpecMenu
 126 */
 127
 128 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
 129                 gui::IGUIElement* parent, s32 id,
 130                 IMenuManager *menumgr,
 131                 InventoryManager *invmgr,
 132                 IGameDef *gamedef
 133 ):
 134         GUIModalMenu(dev->getGUIEnvironment(), parent, id, menumgr),
 135         m_device(dev),
 136         m_invmgr(invmgr),
 137         m_gamedef(gamedef),
 138         m_form_src(NULL),
 139         m_text_dst(NULL),
 140         m_selected_item(NULL),
 141         m_selected_amount(0),
 142         m_selected_dragging(false),
 143         m_tooltip_element(NULL)
 144 {
 145 }
 146
 147 GUIFormSpecMenu::~GUIFormSpecMenu()
 148 {
 149         removeChildren();
 150
 151         delete m_selected_item;
 152         delete m_form_src;
 153         delete m_text_dst;
 154 }
 155
 156 void GUIFormSpecMenu::removeChildren()
 157 {
 158         const core::list<gui::IGUIElement*> &children = getChildren();
 159         core::list<gui::IGUIElement*> children_copy;
 160         for(core::list<gui::IGUIElement*>::ConstIterator
 161                         i = children.begin(); i != children.end(); i++)
 162         {
 163                 children_copy.push_back(*i);
 164         }
 165         for(core::list<gui::IGUIElement*>::Iterator
 166                         i = children_copy.begin();
 167                         i != children_copy.end(); i++)
 168         {
 169                 (*i)->remove();
 170         }
 171         /*{
 172                 gui::IGUIElement *e = getElementFromId(256);
 173                 if(e != NULL)
 174                         e->remove();
 175         }*/
 176         if(m_tooltip_element)
 177         {
 178                 m_tooltip_element->remove();
 179                 m_tooltip_element = NULL;
 180         }
 181 }
 182
 183 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 184 {
 185         // Remove children
 186         removeChildren();
 187
 188         v2s32 size(100,100);
 189         s32 helptext_h = 15;
 190         core::rect<s32> rect;
 191
 192         // Base position of contents of form
 193         v2s32 basepos = getBasePos();
 194         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
 195         // Used to adjust form size automatically if needed
 196         // A proceed button is added if there is no size[] element
 197         int bp_set = 0;
 198
 199         /* Convert m_init_draw_spec to m_inventorylists */
 200
 201         m_inventorylists.clear();
 202         m_images.clear();
 203         m_backgrounds.clear();
 204         m_itemimages.clear();
 205         m_fields.clear();
 206
 207         Strfnd f(m_formspec_string);
 208         while(f.atend() == false)
 209         {
 210                 std::string type = trim(f.next("["));
 211                 if(type == "invsize" || type == "size")
 212                 {
 213                         v2f invsize;
 214                         invsize.X = stof(f.next(","));
 215                         if(type == "size")
 216                         {
 217                                 invsize.Y = stof(f.next("]"));
 218                         }
 219                         else{
 220                                 invsize.Y = stof(f.next(";"));
 221                                 f.next("]");
 222                         }
 223                         infostream<<"Form size ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
 224
 225                         padding = v2s32(screensize.Y/40, screensize.Y/40);
 226                         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 227                         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 228                         size = v2s32(
 229                                 padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 230                                 padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + (helptext_h-5)
 231                         );
 232                         rect = core::rect<s32>(
 233                                         screensize.X/2 - size.X/2,
 234                                         screensize.Y/2 - size.Y/2,
 235                                         screensize.X/2 + size.X/2,
 236                                         screensize.Y/2 + size.Y/2
 237                         );
 238                         DesiredRect = rect;
 239                         recalculateAbsolutePosition(false);
 240                         basepos = getBasePos();
 241                         bp_set = 2;
 242                 }
 243                 else if(type == "list")
 244                 {
 245                         std::string name = f.next(";");
 246                         InventoryLocation loc;
 247                         if(name == "context" || name == "current_name")
 248                                 loc = m_current_inventory_location;
 249                         else
 250                                 loc.deSerialize(name);
 251                         std::string listname = f.next(";");
 252                         v2s32 pos = basepos;
 253                         pos.X += stof(f.next(",")) * (float)spacing.X;
 254                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 255                         v2s32 geom;
 256                         geom.X = stoi(f.next(","));
 257                         geom.Y = stoi(f.next(";"));
 258                         infostream<<"list inv="<<name<<", listname="<<listname
 259                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 260                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 261                                         <<std::endl;
 262                         std::string start_i_s = f.next("]");
 263                         s32 start_i = 0;
 264                         if(start_i_s != "")
 265                                 start_i = stoi(start_i_s);
 266                         if(bp_set != 2)
 267                                 errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 268                         m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 269                 }
 270                 else if(type == "image")
 271                 {
 272                         v2s32 pos = basepos;
 273                         pos.X += stof(f.next(",")) * (float)spacing.X;
 274                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 275                         v2s32 geom;
 276                         geom.X = stof(f.next(",")) * (float)imgsize.X;
 277                         geom.Y = stof(f.next(";")) * (float)imgsize.Y;
 278                         std::string name = f.next("]");
 279                         infostream<<"image name="<<name
 280                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 281                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 282                                         <<std::endl;
 283                         if(bp_set != 2)
 284                                 errorstream<<"WARNING: invalid use of image without a size[] element"<<std::endl;
 285                         m_images.push_back(ImageDrawSpec(name, pos, geom));
 286                 }
 287                 else if(type == "item_image")
 288                 {
 289                         v2s32 pos = basepos;
 290                         pos.X += stof(f.next(",")) * (float)spacing.X;
 291                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 292                         v2s32 geom;
 293                         geom.X = stof(f.next(",")) * (float)imgsize.X;
 294                         geom.Y = stof(f.next(";")) * (float)imgsize.Y;
 295                         std::string name = f.next("]");
 296                         infostream<<"item name="<<name
 297                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 298                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 299                                         <<std::endl;
 300                         if(bp_set != 2)
 301                                 errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
 302                         m_itemimages.push_back(ImageDrawSpec(name, pos, geom));
 303                 }
 304                 else if(type == "background")
 305                 {
 306                         v2s32 pos = basepos;
 307                         pos.X += stof(f.next(",")) * (float)spacing.X - ((float)spacing.X-(float)imgsize.X)/2;
 308                         pos.Y += stof(f.next(";")) * (float)spacing.Y - ((float)spacing.Y-(float)imgsize.Y)/2;
 309                         v2s32 geom;
 310                         geom.X = stof(f.next(",")) * (float)spacing.X;
 311                         geom.Y = stof(f.next(";")) * (float)spacing.Y;
 312                         std::string name = f.next("]");
 313                         infostream<<"image name="<<name
 314                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 315                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 316                                         <<std::endl;
 317                         if(bp_set != 2)
 318                                 errorstream<<"WARNING: invalid use of background without a size[] element"<<std::endl;
 319                         m_backgrounds.push_back(ImageDrawSpec(name, pos, geom));
 320                 }
 321                 else if(type == "field" || type == "textarea")
 322                 {
 323                         std::string fname = f.next(";");
 324                         std::string flabel = f.next(";");
 325
 326                         if(fname.find(",") == std::string::npos && flabel.find(",") == std::string::npos)
 327                         {
 328                                 if (type == "textarea")
 329                                         errorstream<<"WARNING: Textarea connot be unpositioned"<<std::endl;
 330
 331                                 if(!bp_set)
 332                                 {
 333                                         rect = core::rect<s32>(
 334                                                 screensize.X/2 - 580/2,
 335                                                 screensize.Y/2 - 300/2,
 336                                                 screensize.X/2 + 580/2,
 337                                                 screensize.Y/2 + 300/2
 338                                         );
 339                                         DesiredRect = rect;
 340                                         recalculateAbsolutePosition(false);
 341                                         basepos = getBasePos();
 342                                         bp_set = 1;
 343                                 }
 344                                 else if(bp_set == 2)
 345                                         errorstream<<"WARNING: invalid use of unpositioned "<<type<<" in inventory"<<std::endl;
 346
 347                                 v2s32 pos = basepos;
 348                                 pos.Y = ((m_fields.size()+2)*60);
 349                                 v2s32 size = DesiredRect.getSize();
 350                                 rect = core::rect<s32>(size.X/2-150, pos.Y, (size.X/2-150)+300, pos.Y+30);
 351                         }
 352                         else
 353                         {
 354                                 v2s32 pos;
 355                                 pos.X = stof(fname.substr(0,fname.find(","))) * (float)spacing.X;
 356                                 pos.Y = stof(fname.substr(fname.find(",")+1)) * (float)spacing.Y;
 357                                 v2s32 geom;
 358                                 geom.X = (stof(flabel.substr(0,flabel.find(","))) * (float)spacing.X)-(spacing.X-imgsize.X);
 359                                 if (type == "textarea")
 360                                 {
 361                                         geom.Y = (stof(flabel.substr(flabel.find(",")+1)) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
 362                                         pos.Y += 15;
 363                                 }
 364                                 else
 365                                 {
 366                                         pos.Y += (stof(flabel.substr(flabel.find(",")+1)) * (float)imgsize.Y)/2;
 367                                         pos.Y -= 15;
 368                                         geom.Y = 30;
 369                                 }
 370
 371                                 rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 372
 373
 374
 375                                 fname = f.next(";");
 376                                 flabel = f.next(";");
 377                                 if(bp_set != 2)
 378                                         errorstream<<"WARNING: invalid use of positioned "<<type<<" without a size[] element"<<std::endl;
 379
 380                         }
 381
 382                         std::string odefault = f.next("]");
 383                         std::string fdefault;
 384
 385                         // fdefault may contain a variable reference, which
 386                         // needs to be resolved from the node metadata
 387                         if(m_form_src)
 388                                 fdefault = m_form_src->resolveText(odefault);
 389                         else
 390                                 fdefault = odefault;
 391
 392                         FieldSpec spec = FieldSpec(
 393                                 narrow_to_wide(fname.c_str()),
 394                                 narrow_to_wide(flabel.c_str()),
 395                                 narrow_to_wide(fdefault.c_str()),
 396                                 258+m_fields.size()
 397                         );
 398
 399                         // three cases: field name and no label, label and field, label name and no field
 400                         gui::IGUIEditBox *e;
 401                         if (fname == "")
 402                         {
 403                                 // spec field id to 0, this stops submit searching for a value that isn't there
 404                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 405                         }
 406                         else
 407                         {
 408                                 spec.send = true;
 409                                 e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 410                                 Environment->setFocus(e);
 411
 412                                 if (type == "textarea")
 413                                 {
 414                                         e->setMultiLine(true);
 415                                         e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
 416                                 } else {
 417                                         irr::SEvent evt;
 418                                         evt.KeyInput.Key = KEY_END;
 419                                         evt.EventType = EET_KEY_INPUT_EVENT;
 420                                         evt.KeyInput.PressedDown = true;
 421                                         e->OnEvent(evt);
 422                                 }
 423
 424                                 if (flabel != "")
 425                                 {
 426                                         rect.UpperLeftCorner.Y -= 15;
 427                                         rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
 428                                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
 429                                 }
 430                         }
 431
 432                         m_fields.push_back(spec);
 433                 }
 434                 else if(type == "label")
 435                 {
 436                         v2s32 pos = padding;
 437                         pos.X += stof(f.next(",")) * (float)spacing.X;
 438                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 439
 440                         rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
 441
 442                         std::string flabel = f.next("]");
 443                         if(bp_set != 2)
 444                                 errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
 445
 446                         FieldSpec spec = FieldSpec(
 447                                 narrow_to_wide(""),
 448                                 narrow_to_wide(flabel.c_str()),
 449                                 narrow_to_wide(""),
 450                                 258+m_fields.size()
 451                         );
 452                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 453                         m_fields.push_back(spec);
 454                 }
 455                 else if(type == "button" || type == "button_exit")
 456                 {
 457                         v2s32 pos = padding;
 458                         pos.X += stof(f.next(",")) * (float)spacing.X;
 459                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 460                         v2s32 geom;
 461                         geom.X = (stof(f.next(",")) * (float)spacing.X)-(spacing.X-imgsize.X);
 462                         pos.Y += (stof(f.next(";")) * (float)imgsize.Y)/2;
 463
 464                         rect = core::rect<s32>(pos.X, pos.Y-15, pos.X+geom.X, pos.Y+15);
 465
 466                         std::string fname = f.next(";");
 467                         std::string flabel = f.next("]");
 468                         if(bp_set != 2)
 469                                 errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 470
 471                         FieldSpec spec = FieldSpec(
 472                                 narrow_to_wide(fname.c_str()),
 473                                 narrow_to_wide(flabel.c_str()),
 474                                 narrow_to_wide(""),
 475                                 258+m_fields.size()
 476                         );
 477                         spec.is_button = true;
 478                         if(type == "button_exit")
 479                                 spec.is_exit = true;
 480                         Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 481                         m_fields.push_back(spec);
 482                 }
 483                 else if(type == "image_button" || type == "image_button_exit")
 484                 {
 485                         v2s32 pos = padding;
 486                         pos.X += stof(f.next(",")) * (float)spacing.X;
 487                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 488                         v2s32 geom;
 489                         geom.X = (stof(f.next(",")) * (float)spacing.X)-(spacing.X-imgsize.X);
 490                         geom.Y = (stof(f.next(";")) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
 491
 492                         rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 493
 494                         std::string fimage = f.next(";");
 495                         std::string fname = f.next(";");
 496                         std::string flabel = f.next("]");
 497                         if(bp_set != 2)
 498                                 errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
 499
 500                         FieldSpec spec = FieldSpec(
 501                                 narrow_to_wide(fname.c_str()),
 502                                 narrow_to_wide(flabel.c_str()),
 503                                 narrow_to_wide(fimage.c_str()),
 504                                 258+m_fields.size()
 505                         );
 506                         spec.is_button = true;
 507                         if(type == "image_button_exit")
 508                                 spec.is_exit = true;
 509
 510                         video::ITexture *texture = m_gamedef->tsrc()->getTextureRaw(fimage);
 511                         gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 512                         e->setUseAlphaChannel(true);
 513                         e->setImage(texture);
 514                         e->setPressedImage(texture);
 515                         e->setScaleImage(true);
 516
 517                         m_fields.push_back(spec);
 518                 }
 519                 else if(type == "item_image_button")
 520                 {
 521                         v2s32 pos = padding;
 522                         pos.X += stof(f.next(",")) * (float)spacing.X;
 523                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 524                         v2s32 geom;
 525                         geom.X = (stof(f.next(",")) * (float)spacing.X)-(spacing.X-imgsize.X);
 526                         geom.Y = (stof(f.next(";")) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
 527                         rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 528                         std::string fimage = f.next(";");
 529                         std::string fname = f.next(";");
 530                         std::string flabel = f.next("]");
 531                         if(bp_set != 2)
 532                                 errorstream<<"WARNING: invalid use of item_image_button without a size[] element"<<std::endl;
 533                         IItemDefManager *idef = m_gamedef->idef();
 534                         ItemStack item;
 535                         item.deSerialize(fimage, idef);
 536                         video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 537                         std::string tooltip = item.getDefinition(idef).description;
 538                         FieldSpec spec = FieldSpec(
 539                                 narrow_to_wide(fname.c_str()),
 540                                 narrow_to_wide(flabel.c_str()),
 541                                 narrow_to_wide(fimage.c_str()),
 542                                 258+m_fields.size()
 543                         );
 544                         gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 545                         e->setUseAlphaChannel(true);
 546                         e->setImage(texture);
 547                         e->setPressedImage(texture);
 548                         e->setScaleImage(true);
 549                         spec.is_button = true;
 550                         rect+=basepos-padding;
 551                         spec.rect=rect;
 552                         if (tooltip!="")
 553                                 spec.tooltip=tooltip;
 554                         m_fields.push_back(spec);
 555                 }
 556                 else
 557                 {
 558                         // Ignore others
 559                         std::string ts = f.next("]");
 560                         infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
 561                                         <<std::endl;
 562                 }
 563         }
 564
 565         // If there's inventory, put the usage string at the bottom
 566         if (m_inventorylists.size())
 567         {
 568                 changeCtype("");
 569                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 570                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 571                                 size.Y-rect.getHeight()-5);
 572                 const wchar_t *text = wgettext("Left click: Move all items, Right click: Move single item");
 573                 Environment->addStaticText(text, rect, false, true, this, 256);
 574                 changeCtype("C");
 575         }
 576         // If there's fields, add a Proceed button
 577         if (m_fields.size() && bp_set != 2)
 578         {
 579                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
 580                 rect = core::rect<s32>(
 581                         screensize.X/2 - 580/2,
 582                         screensize.Y/2 - 300/2,
 583                         screensize.X/2 + 580/2,
 584                         screensize.Y/2 + 240/2+(m_fields.size()*60)
 585                 );
 586                 DesiredRect = rect;
 587                 recalculateAbsolutePosition(false);
 588                 basepos = getBasePos();
 589
 590                 changeCtype("");
 591                 {
 592                         v2s32 pos = basepos;
 593                         pos.Y = ((m_fields.size()+2)*60);
 594
 595                         v2s32 size = DesiredRect.getSize();
 596                         rect = core::rect<s32>(size.X/2-70, pos.Y, (size.X/2-70)+140, pos.Y+30);
 597                         Environment->addButton(rect, this, 257, wgettext("Proceed"));
 598                 }
 599                 changeCtype("C");
 600         }
 601         // Add tooltip
 602         {
 603                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
 604                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
 605                 m_tooltip_element->enableOverrideColor(true);
 606                 m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
 607                 m_tooltip_element->setDrawBackground(true);
 608                 m_tooltip_element->setDrawBorder(true);
 609                 m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
 610                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
 611                 m_tooltip_element->setWordWrap(false);
 612         }
 613 }
 614
 615 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
 616 {
 617         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 618
 619         for(u32 i=0; i<m_inventorylists.size(); i++)
 620         {
 621                 const ListDrawSpec &s = m_inventorylists[i];
 622
 623                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 624                 {
 625                         s32 item_i = i + s.start_item_i;
 626                         s32 x = (i%s.geom.X) * spacing.X;
 627                         s32 y = (i/s.geom.X) * spacing.Y;
 628                         v2s32 p0(x,y);
 629                         core::rect<s32> rect = imgrect + s.pos + p0;
 630                         if(rect.isPointInside(p))
 631                         {
 632                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
 633                         }
 634                 }
 635         }
 636
 637         return ItemSpec(InventoryLocation(), "", -1);
 638 }
 639
 640 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
 641 {
 642         video::IVideoDriver* driver = Environment->getVideoDriver();
 643
 644         // Get font
 645         gui::IGUIFont *font = NULL;
 646         gui::IGUISkin* skin = Environment->getSkin();
 647         if (skin)
 648                 font = skin->getFont();
 649
 650         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
 651         if(!inv){
 652                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
 653                                 <<"The inventory location "
 654                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
 655                                 <<std::endl;
 656                 return;
 657         }
 658         InventoryList *ilist = inv->getList(s.listname);
 659         if(!ilist){
 660                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
 661                                 <<"The inventory list \""<<s.listname<<"\" @ \""
 662                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
 663                                 <<std::endl;
 664                 return;
 665         }
 666
 667         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 668
 669         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 670         {
 671                 u32 item_i = i + s.start_item_i;
 672                 if(item_i >= ilist->getSize())
 673                         break;
 674                 s32 x = (i%s.geom.X) * spacing.X;
 675                 s32 y = (i/s.geom.X) * spacing.Y;
 676                 v2s32 p(x,y);
 677                 core::rect<s32> rect = imgrect + s.pos + p;
 678                 ItemStack item;
 679                 if(ilist)
 680                         item = ilist->getItem(item_i);
 681
 682                 bool selected = m_selected_item
 683                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
 684                         && m_selected_item->listname == s.listname
 685                         && m_selected_item->i == i;
 686                 bool hovering = rect.isPointInside(m_pointer);
 687
 688                 if(phase == 0)
 689                 {
 690                         if(hovering && m_selected_item)
 691                         {
 692                                 video::SColor bgcolor(255,192,192,192);
 693                                 driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 694                         }
 695                         else
 696                         {
 697                                 video::SColor bgcolor(255,128,128,128);
 698                                 driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 699                         }
 700                 }
 701
 702                 if(phase == 1)
 703                 {
 704                         // Draw item stack
 705                         if(selected)
 706                         {
 707                                 item.takeItem(m_selected_amount);
 708                         }
 709                         if(!item.empty())
 710                         {
 711                                 drawItemStack(driver, font, item,
 712                                                 rect, &AbsoluteClippingRect, m_gamedef);
 713                         }
 714
 715                         // Draw tooltip
 716                         std::string tooltip_text = "";
 717                         if(hovering && !m_selected_item)
 718                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
 719                         if(tooltip_text != "")
 720                         {
 721                                 m_tooltip_element->setVisible(true);
 722                                 this->bringToFront(m_tooltip_element);
 723                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
 724                                 s32 tooltip_x = m_pointer.X + 15;
 725                                 s32 tooltip_y = m_pointer.Y + 15;
 726                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
 727                                 s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
 728                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
 729                                                 core::position2d<s32>(tooltip_x, tooltip_y),
 730                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
 731                         }
 732                 }
 733         }
 734 }
 735
 736 void GUIFormSpecMenu::drawSelectedItem()
 737 {
 738         if(!m_selected_item)
 739                 return;
 740
 741         video::IVideoDriver* driver = Environment->getVideoDriver();
 742
 743         // Get font
 744         gui::IGUIFont *font = NULL;
 745         gui::IGUISkin* skin = Environment->getSkin();
 746         if (skin)
 747                 font = skin->getFont();
 748
 749         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
 750         assert(inv);
 751         InventoryList *list = inv->getList(m_selected_item->listname);
 752         assert(list);
 753         ItemStack stack = list->getItem(m_selected_item->i);
 754         stack.count = m_selected_amount;
 755
 756         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 757         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
 758         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
 759 }
 760
 761 void GUIFormSpecMenu::drawMenu()
 762 {
 763         if(m_form_src){
 764                 std::string newform = m_form_src->getForm();
 765                 if(newform != m_formspec_string){
 766                         m_formspec_string = newform;
 767                         regenerateGui(m_screensize_old);
 768                 }
 769         }
 770
 771         m_pointer = m_device->getCursorControl()->getPosition();
 772
 773         updateSelectedItem();
 774
 775         gui::IGUISkin* skin = Environment->getSkin();
 776         if (!skin)
 777                 return;
 778         video::IVideoDriver* driver = Environment->getVideoDriver();
 779
 780         video::SColor bgcolor(140,0,0,0);
 781         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 782
 783         m_tooltip_element->setVisible(false);
 784
 785         /*
 786                 Draw backgrounds
 787         */
 788         for(u32 i=0; i<m_backgrounds.size(); i++)
 789         {
 790                 const ImageDrawSpec &spec = m_backgrounds[i];
 791                 video::ITexture *texture =
 792                                 m_gamedef->tsrc()->getTextureRaw(spec.name);
 793                 // Image size on screen
 794                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
 795                 // Image rectangle on screen
 796                 core::rect<s32> rect = imgrect + spec.pos;
 797                 const video::SColor color(255,255,255,255);
 798                 const video::SColor colors[] = {color,color,color,color};
 799                 driver->draw2DImage(texture, rect,
 800                         core::rect<s32>(core::position2d<s32>(0,0),
 801                                         core::dimension2di(texture->getOriginalSize())),
 802                         NULL/*&AbsoluteClippingRect*/, colors, true);
 803         }
 804
 805         /*
 806                 Draw images
 807         */
 808         for(u32 i=0; i<m_images.size(); i++)
 809         {
 810                 const ImageDrawSpec &spec = m_images[i];
 811                 video::ITexture *texture =
 812                                 m_gamedef->tsrc()->getTextureRaw(spec.name);
 813                 // Image size on screen
 814                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
 815                 // Image rectangle on screen
 816                 core::rect<s32> rect = imgrect + spec.pos;
 817                 const video::SColor color(255,255,255,255);
 818                 const video::SColor colors[] = {color,color,color,color};
 819                 driver->draw2DImage(texture, rect,
 820                         core::rect<s32>(core::position2d<s32>(0,0),
 821                                         core::dimension2di(texture->getOriginalSize())),
 822                         NULL/*&AbsoluteClippingRect*/, colors, true);
 823         }
 824
 825         /*
 826                 Draw item images
 827         */
 828         for(u32 i=0; i<m_itemimages.size(); i++)
 829         {
 830                 const ImageDrawSpec &spec = m_itemimages[i];
 831                 IItemDefManager *idef = m_gamedef->idef();
 832                 ItemStack item;
 833                 item.deSerialize(spec.name, idef);
 834                 video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 835                 // Image size on screen
 836                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
 837                 // Image rectangle on screen
 838                 core::rect<s32> rect = imgrect + spec.pos;
 839                 const video::SColor color(255,255,255,255);
 840                 const video::SColor colors[] = {color,color,color,color};
 841                 driver->draw2DImage(texture, rect,
 842                         core::rect<s32>(core::position2d<s32>(0,0),
 843                                         core::dimension2di(texture->getOriginalSize())),
 844                         NULL/*&AbsoluteClippingRect*/, colors, true);
 845         }
 846
 847         /*
 848                 Draw items
 849                 Phase 0: Item slot rectangles
 850                 Phase 1: Item images; prepare tooltip
 851                 If backgrounds used, do not draw Item slot rectangles
 852         */
 853         int start_phase=0;
 854         if (m_backgrounds.size() > 0) start_phase=1;
 855         for(int phase=start_phase; phase<=1; phase++)
 856         for(u32 i=0; i<m_inventorylists.size(); i++)
 857         {
 858                 drawList(m_inventorylists[i], phase);
 859         }
 860
 861         /*
 862                 Call base class
 863         */
 864         gui::IGUIElement::draw();
 865
 866         /*
 867                 Draw fields/buttons tooltips
 868         */
 869         for(u32 i=0; i<m_fields.size(); i++)
 870         {
 871                 const FieldSpec &spec = m_fields[i];
 872                 if (spec.tooltip != "")
 873                 {
 874                         core::rect<s32> rect = spec.rect;
 875                         if (rect.isPointInside(m_pointer))
 876                         {
 877                                 m_tooltip_element->setVisible(true);
 878                                 this->bringToFront(m_tooltip_element);
 879                                 m_tooltip_element->setText(narrow_to_wide(spec.tooltip).c_str());
 880                                 s32 tooltip_x = m_pointer.X + 15;
 881                                 s32 tooltip_y = m_pointer.Y + 15;
 882                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
 883                                 s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
 884                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
 885                                 core::position2d<s32>(tooltip_x, tooltip_y),
 886                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
 887                         }
 888                 }
 889         }
 890
 891         /*
 892                 Draw dragged item stack
 893         */
 894         drawSelectedItem();
 895 }
 896
 897 void GUIFormSpecMenu::updateSelectedItem()
 898 {
 899         // WARNING: BLACK MAGIC
 900         // See if there is a stack suited for our current guess.
 901         // If such stack does not exist, clear the guess.
 902         if(m_selected_content_guess.name != "")
 903         {
 904                 bool found = false;
 905                 for(u32 i=0; i<m_inventorylists.size() && !found; i++){
 906                         const ListDrawSpec &s = m_inventorylists[i];
 907                         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
 908                         if(!inv)
 909                                 continue;
 910                         InventoryList *list = inv->getList(s.listname);
 911                         if(!list)
 912                                 continue;
 913                         for(s32 i=0; i<s.geom.X*s.geom.Y && !found; i++){
 914                                 u32 item_i = i + s.start_item_i;
 915                                 if(item_i >= list->getSize())
 916                                         continue;
 917                                 ItemStack stack = list->getItem(item_i);
 918                                 if(stack.name == m_selected_content_guess.name &&
 919                                                 stack.count == m_selected_content_guess.count){
 920                                         found = true;
 921                                         if(m_selected_item){
 922                                                 // If guessed stack is already selected, all is fine
 923                                                 if(m_selected_item->inventoryloc == s.inventoryloc &&
 924                                                                 m_selected_item->listname == s.listname &&
 925                                                                 m_selected_item->i == (s32)item_i &&
 926                                                                 m_selected_amount == stack.count){
 927                                                         break;
 928                                                 }
 929                                                 delete m_selected_item;
 930                                                 m_selected_item = NULL;
 931                                         }
 932                                         infostream<<"Client: Changing selected content guess to "
 933                                                         <<s.inventoryloc.dump()<<" "<<s.listname
 934                                                         <<" "<<item_i<<std::endl;
 935                                         m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
 936                                         m_selected_amount = stack.count;
 937                                         break;
 938                                 }
 939                         }
 940                 }
 941                 if(!found){
 942                         infostream<<"Client: Discarding selected content guess: "
 943                                         <<m_selected_content_guess.getItemString()<<std::endl;
 944                         m_selected_content_guess.name = "";
 945                 }
 946         }
 947         // If the selected stack has become empty for some reason, deselect it.
 948         // If the selected stack has become smaller, adjust m_selected_amount.
 949         if(m_selected_item)
 950         {
 951                 bool selection_valid = false;
 952                 if(m_selected_item->isValid())
 953                 {
 954                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
 955                         if(inv)
 956                         {
 957                                 InventoryList *list = inv->getList(m_selected_item->listname);
 958                                 if(list && (u32) m_selected_item->i < list->getSize())
 959                                 {
 960                                         ItemStack stack = list->getItem(m_selected_item->i);
 961                                         if(m_selected_amount > stack.count)
 962                                                 m_selected_amount = stack.count;
 963                                         if(!stack.empty())
 964                                                 selection_valid = true;
 965                                 }
 966                         }
 967                 }
 968                 if(!selection_valid)
 969                 {
 970                         delete m_selected_item;
 971                         m_selected_item = NULL;
 972                         m_selected_amount = 0;
 973                         m_selected_dragging = false;
 974                 }
 975         }
 976
 977         // If craftresult is nonempty and nothing else is selected, select it now.
 978         if(!m_selected_item)
 979         {
 980                 for(u32 i=0; i<m_inventorylists.size(); i++)
 981                 {
 982                         const ListDrawSpec &s = m_inventorylists[i];
 983                         if(s.listname == "craftpreview")
 984                         {
 985                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
 986                                 InventoryList *list = inv->getList("craftresult");
 987                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
 988                                 {
 989                                         m_selected_item = new ItemSpec;
 990                                         m_selected_item->inventoryloc = s.inventoryloc;
 991                                         m_selected_item->listname = "craftresult";
 992                                         m_selected_item->i = 0;
 993                                         m_selected_amount = 0;
 994                                         m_selected_dragging = false;
 995                                         break;
 996                                 }
 997                         }
 998                 }
 999         }
1000
1001         // If craftresult is selected, keep the whole stack selected
1002         if(m_selected_item && m_selected_item->listname == "craftresult")
1003         {
1004                 Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
1005                 assert(inv);
1006                 InventoryList *list = inv->getList(m_selected_item->listname);
1007                 assert(list);
1008                 m_selected_amount = list->getItem(m_selected_item->i).count;
1009         }
1010 }
1011
1012 void GUIFormSpecMenu::acceptInput()
1013 {
1014         if(m_text_dst)
1015         {
1016                 std::map<std::string, std::string> fields;
1017                 gui::IGUIElement *e;
1018                 for(u32 i=0; i<m_fields.size(); i++)
1019                 {
1020                         const FieldSpec &s = m_fields[i];
1021                         if(s.send)
1022                         {
1023                                 if(s.is_button)
1024                                 {
1025                                         fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(s.flabel.c_str());
1026                                 }
1027                                 else
1028                                 {
1029                                         e = getElementFromId(s.fid);
1030                                         if(e != NULL)
1031                                         {
1032                                                 fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(e->getText());
1033                                         }
1034                                 }
1035                         }
1036                 }
1037                 m_text_dst->gotText(fields);
1038         }
1039 }
1040
1041 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
1042 {
1043         if(event.EventType==EET_KEY_INPUT_EVENT)
1044         {
1045                 KeyPress kp(event.KeyInput);
1046                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
1047                         kp == getKeySetting("keymap_inventory")))
1048                 {
1049                         quitMenu();
1050                         return true;
1051                 }
1052                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
1053                 {
1054                         acceptInput();
1055                         quitMenu();
1056                         return true;
1057                 }
1058         }
1059         if(event.EventType==EET_MOUSE_INPUT_EVENT
1060                         && event.MouseInput.Event != EMIE_MOUSE_MOVED)
1061         {
1062                 // Mouse event other than movement
1063
1064                 // Get selected item and hovered/clicked item (s)
1065
1066                 updateSelectedItem();
1067                 ItemSpec s = getItemAtPos(m_pointer);
1068
1069                 Inventory *inv_selected = NULL;
1070                 Inventory *inv_s = NULL;
1071
1072                 if(m_selected_item)
1073                 {
1074                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
1075                         assert(inv_selected);
1076                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
1077                 }
1078
1079                 u32 s_count = 0;
1080
1081                 if(s.isValid())
1082                 do{ // breakable
1083                         inv_s = m_invmgr->getInventory(s.inventoryloc);
1084
1085                         if(!inv_s){
1086                                 errorstream<<"InventoryMenu: The selected inventory location "
1087                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
1088                                                 <<std::endl;
1089                                 s.i = -1;  // make it invalid again
1090                                 break;
1091                         }
1092
1093                         InventoryList *list = inv_s->getList(s.listname);
1094                         if(list == NULL){
1095                                 verbosestream<<"InventoryMenu: The selected inventory list \""
1096                                                 <<s.listname<<"\" does not exist"<<std::endl;
1097                                 s.i = -1;  // make it invalid again
1098                                 break;
1099                         }
1100
1101                         if((u32)s.i >= list->getSize()){
1102                                 infostream<<"InventoryMenu: The selected inventory list \""
1103                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
1104                                                 <<list->getSize()<<")"<<std::endl;
1105                                 s.i = -1;  // make it invalid again
1106                                 break;
1107                         }
1108
1109                         s_count = list->getItem(s.i).count;
1110                 }while(0);
1111
1112                 bool identical = (m_selected_item != NULL) && s.isValid() &&
1113                         (inv_selected == inv_s) &&
1114                         (m_selected_item->listname == s.listname) &&
1115                         (m_selected_item->i == s.i);
1116
1117                 // buttons: 0 = left, 1 = right, 2 = middle
1118                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event
1119                 int button = 0;
1120                 int updown = 2;
1121                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
1122                         { button = 0; updown = 0; }
1123                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
1124                         { button = 1; updown = 0; }
1125                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
1126                         { button = 2; updown = 0; }
1127                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
1128                         { button = 0; updown = 1; }
1129                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
1130                         { button = 1; updown = 1; }
1131                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
1132                         { button = 2; updown = 1; }
1133
1134                 // Set this number to a positive value to generate a move action
1135                 // from m_selected_item to s.
1136                 u32 move_amount = 0;
1137
1138                 // Set this number to a positive value to generate a drop action
1139                 // from m_selected_item.
1140                 u32 drop_amount = 0;
1141
1142                 // Set this number to a positive value to generate a craft action at s.
1143                 u32 craft_amount = 0;
1144
1145                 if(updown == 0)
1146                 {
1147                         // Some mouse button has been pressed
1148
1149                         //infostream<<"Mouse button "<<button<<" pressed at p=("
1150                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
1151
1152                         m_selected_dragging = false;
1153
1154                         if(s.isValid() && s.listname == "craftpreview")
1155                         {
1156                                 // Craft preview has been clicked: craft
1157                                 craft_amount = (button == 2 ? 10 : 1);
1158                         }
1159                         else if(m_selected_item == NULL)
1160                         {
1161                                 if(s_count != 0)
1162                                 {
1163                                         // Non-empty stack has been clicked: select it
1164                                         m_selected_item = new ItemSpec(s);
1165
1166                                         if(button == 1)  // right
1167                                                 m_selected_amount = (s_count + 1) / 2;
1168                                         else if(button == 2)  // middle
1169                                                 m_selected_amount = MYMIN(s_count, 10);
1170                                         else  // left
1171                                                 m_selected_amount = s_count;
1172
1173                                         m_selected_dragging = true;
1174                                 }
1175                         }
1176                         else  // m_selected_item != NULL
1177                         {
1178                                 assert(m_selected_amount >= 1);
1179
1180                                 if(s.isValid())
1181                                 {
1182                                         // Clicked a slot: move
1183                                         if(button == 1)  // right
1184                                                 move_amount = 1;
1185                                         else if(button == 2)  // middle
1186                                                 move_amount = MYMIN(m_selected_amount, 10);
1187                                         else  // left
1188                                                 move_amount = m_selected_amount;
1189
1190                                         if(identical)
1191                                         {
1192                                                 if(move_amount >= m_selected_amount)
1193                                                         m_selected_amount = 0;
1194                                                 else
1195                                                         m_selected_amount -= move_amount;
1196                                                 move_amount = 0;
1197                                         }
1198                                 }
1199                                 else if(getAbsoluteClippingRect().isPointInside(m_pointer))
1200                                 {
1201                                         // Clicked somewhere else: deselect
1202                                         m_selected_amount = 0;
1203                                 }
1204                                 else
1205                                 {
1206                                         // Clicked outside of the window: drop
1207                                         if(button == 1)  // right
1208                                                 drop_amount = 1;
1209                                         else if(button == 2)  // middle
1210                                                 drop_amount = MYMIN(m_selected_amount, 10);
1211                                         else  // left
1212                                                 drop_amount = m_selected_amount;
1213                                 }
1214                         }
1215                 }
1216                 else if(updown == 1)
1217                 {
1218                         // Some mouse button has been released
1219
1220                         //infostream<<"Mouse button "<<button<<" released at p=("
1221                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
1222
1223                         if(m_selected_item != NULL && m_selected_dragging && s.isValid())
1224                         {
1225                                 if(!identical)
1226                                 {
1227                                         // Dragged to different slot: move all selected
1228                                         move_amount = m_selected_amount;
1229                                 }
1230                         }
1231                         else if(m_selected_item != NULL && m_selected_dragging &&
1232                                 !(getAbsoluteClippingRect().isPointInside(m_pointer)))
1233                         {
1234                                 // Dragged outside of window: drop all selected
1235                                 drop_amount = m_selected_amount;
1236                         }
1237
1238                         m_selected_dragging = false;
1239                 }
1240
1241                 // Possibly send inventory action to server
1242                 if(move_amount > 0)
1243                 {
1244                         // Send IACTION_MOVE
1245
1246                         assert(m_selected_item && m_selected_item->isValid());
1247                         assert(s.isValid());
1248
1249                         assert(inv_selected && inv_s);
1250                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
1251                         InventoryList *list_to = inv_s->getList(s.listname);
1252                         assert(list_from && list_to);
1253                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
1254                         ItemStack stack_to = list_to->getItem(s.i);
1255
1256                         // Check how many items can be moved
1257                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
1258                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
1259                         // If source stack cannot be added to destination stack at all,
1260                         // they are swapped
1261                         if(leftover.count == stack_from.count && leftover.name == stack_from.name)
1262                         {
1263                                 m_selected_amount = stack_to.count;
1264                                 // In case the server doesn't directly swap them but instead
1265                                 // moves stack_to somewhere else, set this
1266                                 m_selected_content_guess = stack_to;
1267                                 m_selected_content_guess_inventory = s.inventoryloc;
1268                         }
1269                         // Source stack goes fully into destination stack
1270                         else if(leftover.empty())
1271                         {
1272                                 m_selected_amount -= move_amount;
1273                                 m_selected_content_guess = ItemStack(); // Clear
1274                         }
1275                         // Source stack goes partly into destination stack
1276                         else
1277                         {
1278                                 move_amount -= leftover.count;
1279                                 m_selected_amount -= move_amount;
1280                                 m_selected_content_guess = ItemStack(); // Clear
1281                         }
1282
1283                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
1284                         IMoveAction *a = new IMoveAction();
1285                         a->count = move_amount;
1286                         a->from_inv = m_selected_item->inventoryloc;
1287                         a->from_list = m_selected_item->listname;
1288                         a->from_i = m_selected_item->i;
1289                         a->to_inv = s.inventoryloc;
1290                         a->to_list = s.listname;
1291                         a->to_i = s.i;
1292                         m_invmgr->inventoryAction(a);
1293                 }
1294                 else if(drop_amount > 0)
1295                 {
1296                         m_selected_content_guess = ItemStack(); // Clear
1297
1298                         // Send IACTION_DROP
1299
1300                         assert(m_selected_item && m_selected_item->isValid());
1301                         assert(inv_selected);
1302                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
1303                         assert(list_from);
1304                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
1305
1306                         // Check how many items can be dropped
1307                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
1308                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
1309                         m_selected_amount -= drop_amount;
1310
1311                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
1312                         IDropAction *a = new IDropAction();
1313                         a->count = drop_amount;
1314                         a->from_inv = m_selected_item->inventoryloc;
1315                         a->from_list = m_selected_item->listname;
1316                         a->from_i = m_selected_item->i;
1317                         m_invmgr->inventoryAction(a);
1318                 }
1319                 else if(craft_amount > 0)
1320                 {
1321                         m_selected_content_guess = ItemStack(); // Clear
1322
1323                         // Send IACTION_CRAFT
1324
1325                         assert(s.isValid());
1326                         assert(inv_s);
1327
1328                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
1329                         ICraftAction *a = new ICraftAction();
1330                         a->count = craft_amount;
1331                         a->craft_inv = s.inventoryloc;
1332                         m_invmgr->inventoryAction(a);
1333                 }
1334
1335                 // If m_selected_amount has been decreased to zero, deselect
1336                 if(m_selected_amount == 0)
1337                 {
1338                         delete m_selected_item;
1339                         m_selected_item = NULL;
1340                         m_selected_amount = 0;
1341                         m_selected_dragging = false;
1342                         m_selected_content_guess = ItemStack();
1343                 }
1344         }
1345         if(event.EventType==EET_GUI_EVENT)
1346         {
1347                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
1348                                 && isVisible())
1349                 {
1350                         if(!canTakeFocus(event.GUIEvent.Element))
1351                         {
1352                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
1353                                                 <<std::endl;
1354                                 // Returning true disables focus change
1355                                 return true;
1356                         }
1357                 }
1358                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
1359                 {
1360                         switch(event.GUIEvent.Caller->getID())
1361                         {
1362                         case 257:
1363                                 acceptInput();
1364                                 quitMenu();
1365                                 // quitMenu deallocates menu
1366                                 return true;
1367                         }
1368                         // find the element that was clicked
1369                         for(u32 i=0; i<m_fields.size(); i++)
1370                         {
1371                                 FieldSpec &s = m_fields[i];
1372                                 // if its a button, set the send field so
1373                                 // lua knows which button was pressed
1374                                 if (s.is_button && s.fid == event.GUIEvent.Caller->getID())
1375                                 {
1376                                         s.send = true;
1377                                         acceptInput();
1378                                         if(s.is_exit){
1379                                                 quitMenu();
1380                                                 return true;
1381                                         }else{
1382                                                 s.send = false;
1383                                                 // Restore focus to the full form
1384                                                 Environment->setFocus(this);
1385                                                 return true;
1386                                         }
1387                                 }
1388                         }
1389                 }
1390                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
1391                 {
1392                         if(event.GUIEvent.Caller->getID() > 257)
1393                         {
1394                                 acceptInput();
1395                                 quitMenu();
1396                                 // quitMenu deallocates menu
1397                                 return true;
1398                         }
1399                 }
1400         }
1401
1402         return Parent ? Parent->OnEvent(event) : false;
1403 }
1404