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 = def.inventory_texture;
  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(gui::IGUIEnvironment* env,
 129                 gui::IGUIElement* parent, s32 id,
 130                 IMenuManager *menumgr,
 131                 InventoryManager *invmgr,
 132                 IGameDef *gamedef
 133 ):
 134         GUIModalMenu(env, parent, id, menumgr),
 135         m_invmgr(invmgr),
 136         m_gamedef(gamedef),
 137         m_form_src(NULL),
 138         m_text_dst(NULL),
 139         m_selected_item(NULL),
 140         m_selected_amount(0),
 141         m_selected_dragging(false),
 142         m_tooltip_element(NULL)
 143 {
 144 }
 145
 146 GUIFormSpecMenu::~GUIFormSpecMenu()
 147 {
 148         removeChildren();
 149
 150         delete m_selected_item;
 151         delete m_form_src;
 152         delete m_text_dst;
 153 }
 154
 155 void GUIFormSpecMenu::removeChildren()
 156 {
 157         const core::list<gui::IGUIElement*> &children = getChildren();
 158         core::list<gui::IGUIElement*> children_copy;
 159         for(core::list<gui::IGUIElement*>::ConstIterator
 160                         i = children.begin(); i != children.end(); i++)
 161         {
 162                 children_copy.push_back(*i);
 163         }
 164         for(core::list<gui::IGUIElement*>::Iterator
 165                         i = children_copy.begin();
 166                         i != children_copy.end(); i++)
 167         {
 168                 (*i)->remove();
 169         }
 170         /*{
 171                 gui::IGUIElement *e = getElementFromId(256);
 172                 if(e != NULL)
 173                         e->remove();
 174         }*/
 175         if(m_tooltip_element)
 176         {
 177                 m_tooltip_element->remove();
 178                 m_tooltip_element = NULL;
 179         }
 180 }
 181
 182 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 183 {
 184         // Remove children
 185         removeChildren();
 186
 187         v2s32 size(100,100);
 188         s32 helptext_h = 15;
 189         core::rect<s32> rect;
 190
 191         // Base position of contents of form
 192         v2s32 basepos = getBasePos();
 193         // State of basepos, 0 = not set, 1= set by formspec, 2 = set by size[] element
 194         // Used to adjust form size automatically if needed
 195         // A proceed button is added if there is no size[] element
 196         int bp_set = 0;
 197
 198         /* Convert m_init_draw_spec to m_inventorylists */
 199
 200         m_inventorylists.clear();
 201         m_images.clear();
 202         m_fields.clear();
 203
 204         Strfnd f(m_formspec_string);
 205         while(f.atend() == false)
 206         {
 207                 std::string type = trim(f.next("["));
 208                 if(type == "invsize" || type == "size")
 209                 {
 210                         v2f invsize;
 211                         invsize.X = stof(f.next(","));
 212                         if(type == "size")
 213                         {
 214                                 invsize.Y = stof(f.next("]"));
 215                         }
 216                         else{
 217                                 invsize.Y = stof(f.next(";"));
 218                                 f.next("]");
 219                         }
 220                         infostream<<"Form size ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
 221
 222                         padding = v2s32(screensize.Y/40, screensize.Y/40);
 223                         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 224                         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 225                         size = v2s32(
 226                                 padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
 227                                 padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + (helptext_h-5)
 228                         );
 229                         rect = core::rect<s32>(
 230                                         screensize.X/2 - size.X/2,
 231                                         screensize.Y/2 - size.Y/2,
 232                                         screensize.X/2 + size.X/2,
 233                                         screensize.Y/2 + size.Y/2
 234                         );
 235                         DesiredRect = rect;
 236                         recalculateAbsolutePosition(false);
 237                         basepos = getBasePos();
 238                         bp_set = 2;
 239                 }
 240                 else if(type == "list")
 241                 {
 242                         std::string name = f.next(";");
 243                         InventoryLocation loc;
 244                         if(name == "context" || name == "current_name")
 245                                 loc = m_current_inventory_location;
 246                         else
 247                                 loc.deSerialize(name);
 248                         std::string listname = f.next(";");
 249                         v2s32 pos = basepos;
 250                         pos.X += stof(f.next(",")) * (float)spacing.X;
 251                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 252                         v2s32 geom;
 253                         geom.X = stoi(f.next(","));
 254                         geom.Y = stoi(f.next(";"));
 255                         infostream<<"list inv="<<name<<", listname="<<listname
 256                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 257                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 258                                         <<std::endl;
 259                         std::string start_i_s = f.next("]");
 260                         s32 start_i = 0;
 261                         if(start_i_s != "")
 262                                 start_i = stoi(start_i_s);
 263                         if(bp_set != 2)
 264                                 errorstream<<"WARNING: invalid use of list without a size[] element"<<std::endl;
 265                         m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom, start_i));
 266                 }
 267                 else if(type == "image")
 268                 {
 269                         v2s32 pos = basepos;
 270                         pos.X += stof(f.next(",")) * (float)spacing.X;
 271                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 272                         v2s32 geom;
 273                         geom.X = stof(f.next(",")) * (float)imgsize.X;
 274                         geom.Y = stof(f.next(";")) * (float)imgsize.Y;
 275                         std::string name = f.next("]");
 276                         infostream<<"image name="<<name
 277                                         <<", pos=("<<pos.X<<","<<pos.Y<<")"
 278                                         <<", geom=("<<geom.X<<","<<geom.Y<<")"
 279                                         <<std::endl;
 280                         if(bp_set != 2)
 281                                 errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 282                         m_images.push_back(ImageDrawSpec(name, pos, geom));
 283                 }
 284                 else if(type == "field")
 285                 {
 286                         std::string fname = f.next(";");
 287                         std::string flabel = f.next(";");
 288
 289                         if(fname.find(",") == std::string::npos && flabel.find(",") == std::string::npos)
 290                         {
 291                                 if(!bp_set)
 292                                 {
 293                                         rect = core::rect<s32>(
 294                                                 screensize.X/2 - 580/2,
 295                                                 screensize.Y/2 - 300/2,
 296                                                 screensize.X/2 + 580/2,
 297                                                 screensize.Y/2 + 300/2
 298                                         );
 299                                         DesiredRect = rect;
 300                                         recalculateAbsolutePosition(false);
 301                                         basepos = getBasePos();
 302                                         bp_set = 1;
 303                                 }
 304                                 else if(bp_set == 2)
 305                                         errorstream<<"WARNING: invalid use of unpositioned field in inventory"<<std::endl;
 306
 307                                 v2s32 pos = basepos;
 308                                 pos.Y = ((m_fields.size()+2)*60);
 309                                 v2s32 size = DesiredRect.getSize();
 310                                 rect = core::rect<s32>(size.X/2-150, pos.Y, (size.X/2-150)+300, pos.Y+30);
 311                         }
 312                         else
 313                         {
 314                                 v2s32 pos;
 315                                 pos.X = stof(fname.substr(0,fname.find(","))) * (float)spacing.X;
 316                                 pos.Y = stof(fname.substr(fname.find(",")+1)) * (float)spacing.Y;
 317                                 v2s32 geom;
 318                                 geom.X = (stof(flabel.substr(0,flabel.find(","))) * (float)spacing.X)-(spacing.X-imgsize.X);
 319                                 pos.Y += (stof(flabel.substr(flabel.find(",")+1)) * (float)imgsize.Y)/2;
 320
 321                                 rect = core::rect<s32>(pos.X, pos.Y-15, pos.X+geom.X, pos.Y+15);
 322
 323                                 fname = f.next(";");
 324                                 flabel = f.next(";");
 325                                 if(bp_set != 2)
 326                                         errorstream<<"WARNING: invalid use of positioned field without a size[] element"<<std::endl;
 327
 328                         }
 329
 330                         std::string odefault = f.next("]");
 331                         std::string fdefault;
 332
 333                         // fdefault may contain a variable reference, which
 334                         // needs to be resolved from the node metadata
 335                         if(m_form_src)
 336                                 fdefault = m_form_src->resolveText(odefault);
 337                         else
 338                                 fdefault = odefault;
 339
 340                         FieldSpec spec = FieldSpec(
 341                                 narrow_to_wide(fname.c_str()),
 342                                 narrow_to_wide(flabel.c_str()),
 343                                 narrow_to_wide(fdefault.c_str()),
 344                                 258+m_fields.size()
 345                         );
 346
 347                         // three cases: field and no label, label and no field, label and field
 348                         if (flabel == "")
 349                         {
 350                                 spec.send = true;
 351                                 gui::IGUIElement *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 352                                 Environment->setFocus(e);
 353
 354                                 irr::SEvent evt;
 355                                 evt.EventType = EET_KEY_INPUT_EVENT;
 356                                 evt.KeyInput.Key = KEY_END;
 357                                 evt.KeyInput.PressedDown = true;
 358                                 e->OnEvent(evt);
 359                         }
 360                         else if (fname == "")
 361                         {
 362                                 // set spec field id to 0, this stops submit searching for a value that isn't there
 363                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 364                         }
 365                         else
 366                         {
 367                                 spec.send = true;
 368                                 gui::IGUIElement *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 369                                 Environment->setFocus(e);
 370                                 rect.UpperLeftCorner.Y -= 15;
 371                                 rect.LowerRightCorner.Y -= 15;
 372                                 Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
 373
 374                                 irr::SEvent evt;
 375                                 evt.EventType = EET_KEY_INPUT_EVENT;
 376                                 evt.KeyInput.Key = KEY_END;
 377                                 evt.KeyInput.PressedDown = true;
 378                                 e->OnEvent(evt);
 379                         }
 380
 381                         m_fields.push_back(spec);
 382                 }
 383                 else if(type == "label")
 384                 {
 385                         v2s32 pos = padding;
 386                         pos.X += stof(f.next(",")) * (float)spacing.X;
 387                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 388
 389                         rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
 390
 391                         std::string flabel = f.next("]");
 392                         if(bp_set != 2)
 393                                 errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
 394
 395                         FieldSpec spec = FieldSpec(
 396                                 narrow_to_wide(""),
 397                                 narrow_to_wide(flabel.c_str()),
 398                                 narrow_to_wide(""),
 399                                 258+m_fields.size()
 400                         );
 401                         Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 402                         m_fields.push_back(spec);
 403                 }
 404                 else if(type == "button" || type == "button_exit")
 405                 {
 406                         v2s32 pos = padding;
 407                         pos.X += stof(f.next(",")) * (float)spacing.X;
 408                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 409                         v2s32 geom;
 410                         geom.X = (stof(f.next(",")) * (float)spacing.X)-(spacing.X-imgsize.X);
 411                         pos.Y += (stof(f.next(";")) * (float)imgsize.Y)/2;
 412
 413                         rect = core::rect<s32>(pos.X, pos.Y-15, pos.X+geom.X, pos.Y+15);
 414
 415                         std::string fname = f.next(";");
 416                         std::string flabel = f.next("]");
 417                         if(bp_set != 2)
 418                                 errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
 419
 420                         FieldSpec spec = FieldSpec(
 421                                 narrow_to_wide(fname.c_str()),
 422                                 narrow_to_wide(flabel.c_str()),
 423                                 narrow_to_wide(""),
 424                                 258+m_fields.size()
 425                         );
 426                         spec.is_button = true;
 427                         if(type == "button_exit")
 428                                 spec.is_exit = true;
 429                         Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 430                         m_fields.push_back(spec);
 431                 }
 432                 else if(type == "image_button" || type == "image_button_exit")
 433                 {
 434                         v2s32 pos = padding;
 435                         pos.X += stof(f.next(",")) * (float)spacing.X;
 436                         pos.Y += stof(f.next(";")) * (float)spacing.Y;
 437                         v2s32 geom;
 438                         geom.X = (stof(f.next(",")) * (float)spacing.X)-(spacing.X-imgsize.X);
 439                         geom.Y = (stof(f.next(";")) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
 440
 441                         rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 442
 443                         std::string fimage = f.next(";");
 444                         std::string fname = f.next(";");
 445                         std::string flabel = f.next("]");
 446                         if(bp_set != 2)
 447                                 errorstream<<"WARNING: invalid use of image_button without a size[] element"<<std::endl;
 448
 449                         FieldSpec spec = FieldSpec(
 450                                 narrow_to_wide(fname.c_str()),
 451                                 narrow_to_wide(flabel.c_str()),
 452                                 narrow_to_wide(fimage.c_str()),
 453                                 258+m_fields.size()
 454                         );
 455                         spec.is_button = true;
 456                         if(type == "image_button_exit")
 457                                 spec.is_exit = true;
 458
 459                         video::ITexture *texture = m_gamedef->tsrc()->getTextureRaw(fimage);
 460                         gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 461                         e->setImage(texture);
 462                         e->setPressedImage(texture);
 463                         e->setScaleImage(true);
 464
 465                         m_fields.push_back(spec);
 466                 }
 467                 else
 468                 {
 469                         // Ignore others
 470                         std::string ts = f.next("]");
 471                         infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
 472                                         <<std::endl;
 473                 }
 474         }
 475
 476         // If there's inventory, put the usage string at the bottom
 477         if (m_inventorylists.size())
 478         {
 479                 changeCtype("");
 480                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 481                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 482                                 size.Y-rect.getHeight()-5);
 483                 const wchar_t *text = wgettext("Left click: Move all items, Right click: Move single item");
 484                 Environment->addStaticText(text, rect, false, true, this, 256);
 485                 changeCtype("C");
 486         }
 487         // If there's fields, add a Proceed button
 488         if (m_fields.size() && bp_set != 2)
 489         {
 490                 // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
 491                 rect = core::rect<s32>(
 492                         screensize.X/2 - 580/2,
 493                         screensize.Y/2 - 300/2,
 494                         screensize.X/2 + 580/2,
 495                         screensize.Y/2 + 240/2+(m_fields.size()*60)
 496                 );
 497                 DesiredRect = rect;
 498                 recalculateAbsolutePosition(false);
 499                 basepos = getBasePos();
 500
 501                 changeCtype("");
 502                 {
 503                         v2s32 pos = basepos;
 504                         pos.Y = ((m_fields.size()+2)*60);
 505
 506                         v2s32 size = DesiredRect.getSize();
 507                         rect = core::rect<s32>(size.X/2-70, pos.Y, (size.X/2-70)+140, pos.Y+30);
 508                         Environment->addButton(rect, this, 257, wgettext("Proceed"));
 509                 }
 510                 changeCtype("C");
 511         }
 512         // Add tooltip
 513         {
 514                 // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
 515                 m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
 516                 m_tooltip_element->enableOverrideColor(true);
 517                 m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
 518                 m_tooltip_element->setDrawBackground(true);
 519                 m_tooltip_element->setDrawBorder(true);
 520                 m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
 521                 m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
 522                 m_tooltip_element->setWordWrap(false);
 523         }
 524 }
 525
 526 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
 527 {
 528         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 529
 530         for(u32 i=0; i<m_inventorylists.size(); i++)
 531         {
 532                 const ListDrawSpec &s = m_inventorylists[i];
 533
 534                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 535                 {
 536                         s32 item_i = i + s.start_item_i;
 537                         s32 x = (i%s.geom.X) * spacing.X;
 538                         s32 y = (i/s.geom.X) * spacing.Y;
 539                         v2s32 p0(x,y);
 540                         core::rect<s32> rect = imgrect + s.pos + p0;
 541                         if(rect.isPointInside(p))
 542                         {
 543                                 return ItemSpec(s.inventoryloc, s.listname, item_i);
 544                         }
 545                 }
 546         }
 547
 548         return ItemSpec(InventoryLocation(), "", -1);
 549 }
 550
 551 void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
 552 {
 553         video::IVideoDriver* driver = Environment->getVideoDriver();
 554
 555         // Get font
 556         gui::IGUIFont *font = NULL;
 557         gui::IGUISkin* skin = Environment->getSkin();
 558         if (skin)
 559                 font = skin->getFont();
 560
 561         Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
 562         if(!inv){
 563                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
 564                                 <<"The inventory location "
 565                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
 566                                 <<std::endl;
 567                 return;
 568         }
 569         InventoryList *ilist = inv->getList(s.listname);
 570         if(!ilist){
 571                 infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
 572                                 <<"The inventory list \""<<s.listname<<"\" @ \""
 573                                 <<s.inventoryloc.dump()<<"\" doesn't exist"
 574                                 <<std::endl;
 575                 return;
 576         }
 577
 578         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 579
 580         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 581         {
 582                 u32 item_i = i + s.start_item_i;
 583                 if(item_i >= ilist->getSize())
 584                         break;
 585                 s32 x = (i%s.geom.X) * spacing.X;
 586                 s32 y = (i/s.geom.X) * spacing.Y;
 587                 v2s32 p(x,y);
 588                 core::rect<s32> rect = imgrect + s.pos + p;
 589                 ItemStack item;
 590                 if(ilist)
 591                         item = ilist->getItem(item_i);
 592
 593                 bool selected = m_selected_item
 594                         && m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
 595                         && m_selected_item->listname == s.listname
 596                         && m_selected_item->i == i;
 597                 bool hovering = rect.isPointInside(m_pointer);
 598
 599                 if(phase == 0)
 600                 {
 601                         if(hovering && m_selected_item)
 602                         {
 603                                 video::SColor bgcolor(255,192,192,192);
 604                                 driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 605                         }
 606                         else
 607                         {
 608                                 video::SColor bgcolor(255,128,128,128);
 609                                 driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 610                         }
 611                 }
 612
 613                 if(phase == 1)
 614                 {
 615                         // Draw item stack
 616                         if(selected)
 617                         {
 618                                 item.takeItem(m_selected_amount);
 619                         }
 620                         if(!item.empty())
 621                         {
 622                                 drawItemStack(driver, font, item,
 623                                                 rect, &AbsoluteClippingRect, m_gamedef);
 624                         }
 625
 626                         // Draw tooltip
 627                         std::string tooltip_text = "";
 628                         if(hovering && !m_selected_item)
 629                                 tooltip_text = item.getDefinition(m_gamedef->idef()).description;
 630                         if(tooltip_text != "")
 631                         {
 632                                 m_tooltip_element->setVisible(true);
 633                                 this->bringToFront(m_tooltip_element);
 634                                 m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
 635                                 s32 tooltip_x = m_pointer.X + 15;
 636                                 s32 tooltip_y = m_pointer.Y + 15;
 637                                 s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
 638                                 s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
 639                                 m_tooltip_element->setRelativePosition(core::rect<s32>(
 640                                                 core::position2d<s32>(tooltip_x, tooltip_y),
 641                                                 core::dimension2d<s32>(tooltip_width, tooltip_height)));
 642                         }
 643                 }
 644         }
 645 }
 646
 647 void GUIFormSpecMenu::drawSelectedItem()
 648 {
 649         if(!m_selected_item)
 650                 return;
 651
 652         video::IVideoDriver* driver = Environment->getVideoDriver();
 653
 654         // Get font
 655         gui::IGUIFont *font = NULL;
 656         gui::IGUISkin* skin = Environment->getSkin();
 657         if (skin)
 658                 font = skin->getFont();
 659
 660         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
 661         assert(inv);
 662         InventoryList *list = inv->getList(m_selected_item->listname);
 663         assert(list);
 664         ItemStack stack = list->getItem(m_selected_item->i);
 665         stack.count = m_selected_amount;
 666
 667         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 668         core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
 669         drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
 670 }
 671
 672 void GUIFormSpecMenu::drawMenu()
 673 {
 674         if(m_form_src){
 675                 std::string newform = m_form_src->getForm();
 676                 if(newform != m_formspec_string){
 677                         m_formspec_string = newform;
 678                         regenerateGui(m_screensize_old);
 679                 }
 680         }
 681
 682         updateSelectedItem();
 683
 684         gui::IGUISkin* skin = Environment->getSkin();
 685         if (!skin)
 686                 return;
 687         video::IVideoDriver* driver = Environment->getVideoDriver();
 688
 689         video::SColor bgcolor(140,0,0,0);
 690         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 691
 692         m_tooltip_element->setVisible(false);
 693
 694         /*
 695                 Draw items
 696                 Phase 0: Item slot rectangles
 697                 Phase 1: Item images; prepare tooltip
 698         */
 699
 700         for(int phase=0; phase<=1; phase++)
 701         for(u32 i=0; i<m_inventorylists.size(); i++)
 702         {
 703                 drawList(m_inventorylists[i], phase);
 704         }
 705
 706         for(u32 i=0; i<m_images.size(); i++)
 707         {
 708                 const ImageDrawSpec &spec = m_images[i];
 709                 video::ITexture *texture =
 710                                 m_gamedef->tsrc()->getTextureRaw(spec.name);
 711                 // Image size on screen
 712                 core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
 713                 // Image rectangle on screen
 714                 core::rect<s32> rect = imgrect + spec.pos;
 715                 const video::SColor color(255,255,255,255);
 716                 const video::SColor colors[] = {color,color,color,color};
 717                 driver->draw2DImage(texture, rect,
 718                         core::rect<s32>(core::position2d<s32>(0,0),
 719                                         core::dimension2di(texture->getOriginalSize())),
 720                         NULL/*&AbsoluteClippingRect*/, colors, true);
 721         }
 722
 723         /*
 724                 Draw dragged item stack
 725         */
 726         drawSelectedItem();
 727
 728         /*
 729                 Call base class
 730         */
 731         gui::IGUIElement::draw();
 732 }
 733
 734 void GUIFormSpecMenu::updateSelectedItem()
 735 {
 736         // If the selected stack has become empty for some reason, deselect it.
 737         // If the selected stack has become smaller, adjust m_selected_amount.
 738         if(m_selected_item)
 739         {
 740                 bool selection_valid = false;
 741                 if(m_selected_item->isValid())
 742                 {
 743                         Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
 744                         if(inv)
 745                         {
 746                                 InventoryList *list = inv->getList(m_selected_item->listname);
 747                                 if(list && (u32) m_selected_item->i < list->getSize())
 748                                 {
 749                                         ItemStack stack = list->getItem(m_selected_item->i);
 750                                         if(m_selected_amount > stack.count)
 751                                                 m_selected_amount = stack.count;
 752                                         if(!stack.empty())
 753                                                 selection_valid = true;
 754                                 }
 755                         }
 756                 }
 757                 if(!selection_valid)
 758                 {
 759                         delete m_selected_item;
 760                         m_selected_item = NULL;
 761                         m_selected_amount = 0;
 762                         m_selected_dragging = false;
 763                 }
 764         }
 765
 766         // If craftresult is nonempty and nothing else is selected, select it now.
 767         if(!m_selected_item)
 768         {
 769                 for(u32 i=0; i<m_inventorylists.size(); i++)
 770                 {
 771                         const ListDrawSpec &s = m_inventorylists[i];
 772                         if(s.listname == "craftpreview")
 773                         {
 774                                 Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
 775                                 InventoryList *list = inv->getList("craftresult");
 776                                 if(list && list->getSize() >= 1 && !list->getItem(0).empty())
 777                                 {
 778                                         m_selected_item = new ItemSpec;
 779                                         m_selected_item->inventoryloc = s.inventoryloc;
 780                                         m_selected_item->listname = "craftresult";
 781                                         m_selected_item->i = 0;
 782                                         m_selected_amount = 0;
 783                                         m_selected_dragging = false;
 784                                         break;
 785                                 }
 786                         }
 787                 }
 788         }
 789
 790         // If craftresult is selected, keep the whole stack selected
 791         if(m_selected_item && m_selected_item->listname == "craftresult")
 792         {
 793                 Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
 794                 assert(inv);
 795                 InventoryList *list = inv->getList(m_selected_item->listname);
 796                 assert(list);
 797                 m_selected_amount = list->getItem(m_selected_item->i).count;
 798         }
 799 }
 800
 801 void GUIFormSpecMenu::acceptInput()
 802 {
 803         if(m_text_dst)
 804         {
 805                 std::map<std::string, std::string> fields;
 806                 gui::IGUIElement *e;
 807                 for(u32 i=0; i<m_fields.size(); i++)
 808                 {
 809                         const FieldSpec &s = m_fields[i];
 810                         if(s.send)
 811                         {
 812                                 if(s.is_button)
 813                                 {
 814                                         fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(s.flabel.c_str());
 815                                 }
 816                                 else
 817                                 {
 818                                         e = getElementFromId(s.fid);
 819                                         if(e != NULL)
 820                                         {
 821                                                 fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(e->getText());
 822                                         }
 823                                 }
 824                         }
 825                 }
 826                 m_text_dst->gotText(fields);
 827         }
 828 }
 829
 830 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
 831 {
 832         if(event.EventType==EET_KEY_INPUT_EVENT)
 833         {
 834                 KeyPress kp(event.KeyInput);
 835                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
 836                         kp == getKeySetting("keymap_inventory")))
 837                 {
 838                         quitMenu();
 839                         return true;
 840                 }
 841                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 842                 {
 843                         acceptInput();
 844                         quitMenu();
 845                         return true;
 846                 }
 847         }
 848         if(event.EventType==EET_MOUSE_INPUT_EVENT
 849                         && event.MouseInput.Event == EMIE_MOUSE_MOVED)
 850         {
 851                 // Mouse moved
 852                 m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
 853         }
 854         if(event.EventType==EET_MOUSE_INPUT_EVENT
 855                         && event.MouseInput.Event != EMIE_MOUSE_MOVED)
 856         {
 857                 // Mouse event other than movement
 858
 859                 v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 860                 m_pointer = p;
 861
 862                 // Get selected item and hovered/clicked item (s)
 863
 864                 updateSelectedItem();
 865                 ItemSpec s = getItemAtPos(p);
 866
 867                 Inventory *inv_selected = NULL;
 868                 Inventory *inv_s = NULL;
 869
 870                 if(m_selected_item)
 871                 {
 872                         inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
 873                         assert(inv_selected);
 874                         assert(inv_selected->getList(m_selected_item->listname) != NULL);
 875                 }
 876
 877                 u32 s_count = 0;
 878
 879                 if(s.isValid())
 880                 do{ // breakable
 881                         inv_s = m_invmgr->getInventory(s.inventoryloc);
 882
 883                         if(!inv_s){
 884                                 errorstream<<"InventoryMenu: The selected inventory location "
 885                                                 <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
 886                                                 <<std::endl;
 887                                 s.i = -1;  // make it invalid again
 888                                 break;
 889                         }
 890
 891                         InventoryList *list = inv_s->getList(s.listname);
 892                         if(list == NULL){
 893                                 verbosestream<<"InventoryMenu: The selected inventory list \""
 894                                                 <<s.listname<<"\" does not exist"<<std::endl;
 895                                 s.i = -1;  // make it invalid again
 896                                 break;
 897                         }
 898
 899                         if((u32)s.i >= list->getSize()){
 900                                 infostream<<"InventoryMenu: The selected inventory list \""
 901                                                 <<s.listname<<"\" is too small (i="<<s.i<<", size="
 902                                                 <<list->getSize()<<")"<<std::endl;
 903                                 s.i = -1;  // make it invalid again
 904                                 break;
 905                         }
 906
 907                         s_count = list->getItem(s.i).count;
 908                 }while(0);
 909
 910                 bool identical = (m_selected_item != NULL) && s.isValid() &&
 911                         (inv_selected == inv_s) &&
 912                         (m_selected_item->listname == s.listname) &&
 913                         (m_selected_item->i == s.i);
 914
 915                 // buttons: 0 = left, 1 = right, 2 = middle
 916                 // up/down: 0 = down (press), 1 = up (release), 2 = unknown event
 917                 int button = 0;
 918                 int updown = 2;
 919                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 920                         { button = 0; updown = 0; }
 921                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 922                         { button = 1; updown = 0; }
 923                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
 924                         { button = 2; updown = 0; }
 925                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
 926                         { button = 0; updown = 1; }
 927                 else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
 928                         { button = 1; updown = 1; }
 929                 else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
 930                         { button = 2; updown = 1; }
 931
 932                 // Set this number to a positive value to generate a move action
 933                 // from m_selected_item to s.
 934                 u32 move_amount = 0;
 935
 936                 // Set this number to a positive value to generate a drop action
 937                 // from m_selected_item.
 938                 u32 drop_amount = 0;
 939
 940                 // Set this number to a positive value to generate a craft action at s.
 941                 u32 craft_amount = 0;
 942
 943                 if(updown == 0)
 944                 {
 945                         // Some mouse button has been pressed
 946
 947                         //infostream<<"Mouse button "<<button<<" pressed at p=("
 948                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
 949
 950                         m_selected_dragging = false;
 951
 952                         if(s.isValid() && s.listname == "craftpreview")
 953                         {
 954                                 // Craft preview has been clicked: craft
 955                                 craft_amount = (button == 2 ? 10 : 1);
 956                         }
 957                         else if(m_selected_item == NULL)
 958                         {
 959                                 if(s_count != 0)
 960                                 {
 961                                         // Non-empty stack has been clicked: select it
 962                                         m_selected_item = new ItemSpec(s);
 963
 964                                         if(button == 1)  // right
 965                                                 m_selected_amount = (s_count + 1) / 2;
 966                                         else if(button == 2)  // middle
 967                                                 m_selected_amount = MYMIN(s_count, 10);
 968                                         else  // left
 969                                                 m_selected_amount = s_count;
 970
 971                                         m_selected_dragging = true;
 972                                 }
 973                         }
 974                         else  // m_selected_item != NULL
 975                         {
 976                                 assert(m_selected_amount >= 1);
 977
 978                                 if(s.isValid())
 979                                 {
 980                                         // Clicked a slot: move
 981                                         if(button == 1)  // right
 982                                                 move_amount = 1;
 983                                         else if(button == 2)  // middle
 984                                                 move_amount = MYMIN(m_selected_amount, 10);
 985                                         else  // left
 986                                                 move_amount = m_selected_amount;
 987
 988                                         if(identical)
 989                                         {
 990                                                 if(move_amount >= m_selected_amount)
 991                                                         m_selected_amount = 0;
 992                                                 else
 993                                                         m_selected_amount -= move_amount;
 994                                                 move_amount = 0;
 995                                         }
 996                                 }
 997                                 else if(getAbsoluteClippingRect().isPointInside(m_pointer))
 998                                 {
 999                                         // Clicked somewhere else: deselect
1000                                         m_selected_amount = 0;
1001                                 }
1002                                 else
1003                                 {
1004                                         // Clicked outside of the window: drop
1005                                         if(button == 1)  // right
1006                                                 drop_amount = 1;
1007                                         else if(button == 2)  // middle
1008                                                 drop_amount = MYMIN(m_selected_amount, 10);
1009                                         else  // left
1010                                                 drop_amount = m_selected_amount;
1011                                 }
1012                         }
1013                 }
1014                 else if(updown == 1)
1015                 {
1016                         // Some mouse button has been released
1017
1018                         //infostream<<"Mouse button "<<button<<" released at p=("
1019                         //      <<p.X<<","<<p.Y<<")"<<std::endl;
1020
1021                         if(m_selected_item != NULL && m_selected_dragging && s.isValid())
1022                         {
1023                                 if(!identical)
1024                                 {
1025                                         // Dragged to different slot: move all selected
1026                                         move_amount = m_selected_amount;
1027                                 }
1028                         }
1029                         else if(m_selected_item != NULL && m_selected_dragging &&
1030                                 !(getAbsoluteClippingRect().isPointInside(m_pointer)))
1031                         {
1032                                 // Dragged outside of window: drop all selected
1033                                 drop_amount = m_selected_amount;
1034                         }
1035
1036                         m_selected_dragging = false;
1037                 }
1038
1039                 // Possibly send inventory action to server
1040                 if(move_amount > 0)
1041                 {
1042                         // Send IACTION_MOVE
1043
1044                         assert(m_selected_item && m_selected_item->isValid());
1045                         assert(s.isValid());
1046
1047                         assert(inv_selected && inv_s);
1048                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
1049                         InventoryList *list_to = inv_s->getList(s.listname);
1050                         assert(list_from && list_to);
1051                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
1052                         ItemStack stack_to = list_to->getItem(s.i);
1053
1054                         // Check how many items can be moved
1055                         move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
1056                         ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
1057                         if(leftover.count == stack_from.count)
1058                         {
1059                                 // Swap the stacks
1060                                 m_selected_amount -= stack_to.count;
1061                         }
1062                         else if(leftover.empty())
1063                         {
1064                                 // Item fits
1065                                 m_selected_amount -= move_amount;
1066                         }
1067                         else
1068                         {
1069                                 // Item only fits partially
1070                                 move_amount -= leftover.count;
1071                                 m_selected_amount -= move_amount;
1072                         }
1073
1074                         infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
1075                         IMoveAction *a = new IMoveAction();
1076                         a->count = move_amount;
1077                         a->from_inv = m_selected_item->inventoryloc;
1078                         a->from_list = m_selected_item->listname;
1079                         a->from_i = m_selected_item->i;
1080                         a->to_inv = s.inventoryloc;
1081                         a->to_list = s.listname;
1082                         a->to_i = s.i;
1083                         m_invmgr->inventoryAction(a);
1084                 }
1085                 else if(drop_amount > 0)
1086                 {
1087                         // Send IACTION_DROP
1088
1089                         assert(m_selected_item && m_selected_item->isValid());
1090                         assert(inv_selected);
1091                         InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
1092                         assert(list_from);
1093                         ItemStack stack_from = list_from->getItem(m_selected_item->i);
1094
1095                         // Check how many items can be dropped
1096                         drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
1097                         assert(drop_amount > 0 && drop_amount <= m_selected_amount);
1098                         m_selected_amount -= drop_amount;
1099
1100                         infostream<<"Handing IACTION_DROP to manager"<<std::endl;
1101                         IDropAction *a = new IDropAction();
1102                         a->count = drop_amount;
1103                         a->from_inv = m_selected_item->inventoryloc;
1104                         a->from_list = m_selected_item->listname;
1105                         a->from_i = m_selected_item->i;
1106                         m_invmgr->inventoryAction(a);
1107                 }
1108                 else if(craft_amount > 0)
1109                 {
1110                         // Send IACTION_CRAFT
1111
1112                         assert(s.isValid());
1113                         assert(inv_s);
1114
1115                         infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
1116                         ICraftAction *a = new ICraftAction();
1117                         a->count = craft_amount;
1118                         a->craft_inv = s.inventoryloc;
1119                         m_invmgr->inventoryAction(a);
1120                 }
1121
1122                 // If m_selected_amount has been decreased to zero, deselect
1123                 if(m_selected_amount == 0)
1124                 {
1125                         delete m_selected_item;
1126                         m_selected_item = NULL;
1127                         m_selected_amount = 0;
1128                         m_selected_dragging = false;
1129                 }
1130         }
1131         if(event.EventType==EET_GUI_EVENT)
1132         {
1133                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
1134                                 && isVisible())
1135                 {
1136                         if(!canTakeFocus(event.GUIEvent.Element))
1137                         {
1138                                 infostream<<"GUIFormSpecMenu: Not allowing focus change."
1139                                                 <<std::endl;
1140                                 // Returning true disables focus change
1141                                 return true;
1142                         }
1143                 }
1144                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
1145                 {
1146                         switch(event.GUIEvent.Caller->getID())
1147                         {
1148                         case 257:
1149                                 acceptInput();
1150                                 quitMenu();
1151                                 // quitMenu deallocates menu
1152                                 return true;
1153                         }
1154                         // find the element that was clicked
1155                         for(u32 i=0; i<m_fields.size(); i++)
1156                         {
1157                                 FieldSpec &s = m_fields[i];
1158                                 // if its a button, set the send field so
1159                                 // lua knows which button was pressed
1160                                 if (s.is_button && s.fid == event.GUIEvent.Caller->getID())
1161                                 {
1162                                         s.send = true;
1163                                         acceptInput();
1164                                         if(s.is_exit){
1165                                                 quitMenu();
1166                                                 return true;
1167                                         }else{
1168                                                 s.send = false;
1169                                                 return true;
1170                                         }
1171                                 }
1172                         }
1173                 }
1174                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
1175                 {
1176                         if(event.GUIEvent.Caller->getID() > 257)
1177                         {
1178                                 acceptInput();
1179                                 quitMenu();
1180                                 // quitMenu deallocates menu
1181                                 return true;
1182                         }
1183                 }
1184         }
1185
1186         return Parent ? Parent->OnEvent(event) : false;
1187 }
1188