src/guiInventoryMenu.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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "guiInventoryMenu.h"
  22 #include "constants.h"
  23 #include "keycode.h"
  24 #include "strfnd.h"
  25 #include <IGUICheckBox.h>
  26 #include <IGUIEditBox.h>
  27 #include <IGUIButton.h>
  28 #include <IGUIStaticText.h>
  29 #include <IGUIFont.h>
  30 #include "log.h"
  31
  32 void drawInventoryItem(video::IVideoDriver *driver,
  33                 gui::IGUIFont *font,
  34                 InventoryItem *item, core::rect<s32> rect,
  35                 const core::rect<s32> *clip,
  36                 ITextureSource *tsrc)
  37 {
  38         if(item == NULL)
  39                 return;
  40
  41         video::ITexture *texture = NULL;
  42         texture = item->getImage();
  43
  44         if(texture != NULL)
  45         {
  46                 const video::SColor color(255,255,255,255);
  47                 const video::SColor colors[] = {color,color,color,color};
  48                 driver->draw2DImage(texture, rect,
  49                         core::rect<s32>(core::position2d<s32>(0,0),
  50                         core::dimension2di(texture->getOriginalSize())),
  51                         clip, colors, true);
  52         }
  53         else
  54         {
  55                 video::SColor bgcolor(255,50,50,128);
  56                 driver->draw2DRectangle(bgcolor, rect, clip);
  57         }
  58
  59         if(font != NULL)
  60         {
  61                 std::string text = item->getText();
  62                 if(font && text != "")
  63                 {
  64                         v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
  65                         v2s32 sdim(dim.X,dim.Y);
  66
  67                         core::rect<s32> rect2(
  68                                 /*rect.UpperLeftCorner,
  69                                 core::dimension2d<u32>(rect.getWidth(), 15)*/
  70                                 rect.LowerRightCorner - sdim,
  71                                 sdim
  72                         );
  73
  74                         video::SColor bgcolor(128,0,0,0);
  75                         driver->draw2DRectangle(bgcolor, rect2, clip);
  76
  77                         font->draw(text.c_str(), rect2,
  78                                         video::SColor(255,255,255,255), false, false,
  79                                         clip);
  80                 }
  81         }
  82 }
  83
  84 /*
  85         GUIInventoryMenu
  86 */
  87
  88 GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
  89                 gui::IGUIElement* parent, s32 id,
  90                 IMenuManager *menumgr,
  91                 v2s16 menu_size,
  92                 InventoryContext *c,
  93                 InventoryManager *invmgr,
  94                 ITextureSource *tsrc
  95                 ):
  96         GUIModalMenu(env, parent, id, menumgr),
  97         m_menu_size(menu_size),
  98         m_c(c),
  99         m_invmgr(invmgr),
 100         m_tsrc(tsrc)
 101 {
 102         m_selected_item = NULL;
 103 }
 104
 105 GUIInventoryMenu::~GUIInventoryMenu()
 106 {
 107         removeChildren();
 108
 109         if(m_selected_item)
 110                 delete m_selected_item;
 111 }
 112
 113 void GUIInventoryMenu::removeChildren()
 114 {
 115         const core::list<gui::IGUIElement*> &children = getChildren();
 116         core::list<gui::IGUIElement*> children_copy;
 117         for(core::list<gui::IGUIElement*>::ConstIterator
 118                         i = children.begin(); i != children.end(); i++)
 119         {
 120                 children_copy.push_back(*i);
 121         }
 122         for(core::list<gui::IGUIElement*>::Iterator
 123                         i = children_copy.begin();
 124                         i != children_copy.end(); i++)
 125         {
 126                 (*i)->remove();
 127         }
 128         /*{
 129                 gui::IGUIElement *e = getElementFromId(256);
 130                 if(e != NULL)
 131                         e->remove();
 132         }*/
 133 }
 134
 135 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 136 {
 137         // Remove children
 138         removeChildren();
 139
 140         /*padding = v2s32(24,24);
 141         spacing = v2s32(60,56);
 142         imgsize = v2s32(48,48);*/
 143
 144         padding = v2s32(screensize.Y/40, screensize.Y/40);
 145         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 146         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 147
 148         s32 helptext_h = 15;
 149
 150         v2s32 size(
 151                 padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
 152                 padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
 153         );
 154
 155         core::rect<s32> rect(
 156                         screensize.X/2 - size.X/2,
 157                         screensize.Y/2 - size.Y/2,
 158                         screensize.X/2 + size.X/2,
 159                         screensize.Y/2 + size.Y/2
 160         );
 161
 162         DesiredRect = rect;
 163         recalculateAbsolutePosition(false);
 164
 165         v2s32 basepos = getBasePos();
 166
 167         m_draw_spec.clear();
 168         for(u16 i=0; i<m_init_draw_spec.size(); i++)
 169         {
 170                 DrawSpec &s = m_init_draw_spec[i];
 171                 if(s.type == "list")
 172                 {
 173                         m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
 174                                         basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
 175                                         s.geom));
 176                 }
 177         }
 178
 179         /*
 180         m_draw_spec.clear();
 181         m_draw_spec.push_back(ListDrawSpec("main",
 182                         basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
 183         m_draw_spec.push_back(ListDrawSpec("craft",
 184                         basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
 185         m_draw_spec.push_back(ListDrawSpec("craftresult",
 186                         basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
 187         */
 188
 189         // Add children
 190         {
 191                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 192                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 193                                 size.Y-rect.getHeight()-15);
 194                 const wchar_t *text =
 195                 L"Left click: Move all items, Right click: Move single item";
 196                 Environment->addStaticText(text, rect, false, true, this, 256);
 197         }
 198 }
 199
 200 GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 201 {
 202         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 203
 204         for(u32 i=0; i<m_draw_spec.size(); i++)
 205         {
 206                 const ListDrawSpec &s = m_draw_spec[i];
 207
 208                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 209                 {
 210                         s32 x = (i%s.geom.X) * spacing.X;
 211                         s32 y = (i/s.geom.X) * spacing.Y;
 212                         v2s32 p0(x,y);
 213                         core::rect<s32> rect = imgrect + s.pos + p0;
 214                         if(rect.isPointInside(p))
 215                         {
 216                                 return ItemSpec(s.inventoryname, s.listname, i);
 217                         }
 218                 }
 219         }
 220
 221         return ItemSpec("", "", -1);
 222 }
 223
 224 void GUIInventoryMenu::drawList(const ListDrawSpec &s, ITextureSource *tsrc)
 225 {
 226         video::IVideoDriver* driver = Environment->getVideoDriver();
 227
 228         // Get font
 229         gui::IGUIFont *font = NULL;
 230         gui::IGUISkin* skin = Environment->getSkin();
 231         if (skin)
 232                 font = skin->getFont();
 233
 234         Inventory *inv = m_invmgr->getInventory(m_c, s.inventoryname);
 235         assert(inv);
 236         InventoryList *ilist = inv->getList(s.listname);
 237
 238         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 239
 240         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 241         {
 242                 s32 x = (i%s.geom.X) * spacing.X;
 243                 s32 y = (i/s.geom.X) * spacing.Y;
 244                 v2s32 p(x,y);
 245                 core::rect<s32> rect = imgrect + s.pos + p;
 246                 InventoryItem *item = NULL;
 247                 if(ilist)
 248                         item = ilist->getItem(i);
 249
 250                 if(m_selected_item != NULL && m_selected_item->listname == s.listname
 251                                 && m_selected_item->i == i)
 252                 {
 253                         /*s32 border = imgsize.X/12;
 254                         driver->draw2DRectangle(video::SColor(255,192,192,192),
 255                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 256                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 257                                         NULL);
 258                         driver->draw2DRectangle(video::SColor(255,0,0,0),
 259                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*((border+1)/2),
 260                                                         rect.LowerRightCorner + v2s32(1,1)*((border+1)/2)),
 261                                         NULL);*/
 262                         s32 border = 2;
 263                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 264                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 265                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 266                                         &AbsoluteClippingRect);
 267                 }
 268
 269                 if(rect.isPointInside(m_pointer) && m_selected_item)
 270                 {
 271                     video::SColor bgcolor(255,192,192,192);
 272                     driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 273                 }
 274                 else
 275                 {
 276                     video::SColor bgcolor(255,128,128,128);
 277                     driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 278                 }
 279
 280                 if(item)
 281                 {
 282                         drawInventoryItem(driver, font, item,
 283                                         rect, &AbsoluteClippingRect, tsrc);
 284                 }
 285
 286         }
 287 }
 288
 289 void GUIInventoryMenu::drawMenu()
 290 {
 291         gui::IGUISkin* skin = Environment->getSkin();
 292         if (!skin)
 293                 return;
 294         video::IVideoDriver* driver = Environment->getVideoDriver();
 295
 296         video::SColor bgcolor(140,0,0,0);
 297         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 298
 299         /*
 300                 Draw items
 301         */
 302
 303         for(u32 i=0; i<m_draw_spec.size(); i++)
 304         {
 305                 ListDrawSpec &s = m_draw_spec[i];
 306                 drawList(s, m_tsrc);
 307         }
 308
 309         /*
 310                 Call base class
 311         */
 312         gui::IGUIElement::draw();
 313 }
 314
 315 bool GUIInventoryMenu::OnEvent(const SEvent& event)
 316 {
 317         if(event.EventType==EET_KEY_INPUT_EVENT)
 318         {
 319                 KeyPress kp(event.KeyInput);
 320                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
 321                         kp == getKeySetting("keymap_inventory")))
 322                 {
 323                         quitMenu();
 324                         return true;
 325                 }
 326         }
 327         if(event.EventType==EET_MOUSE_INPUT_EVENT)
 328         {
 329                 char amount = -1;
 330
 331                 v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 332                 ItemSpec s = getItemAtPos(p);
 333
 334                 if(event.MouseInput.Event==EMIE_MOUSE_MOVED)
 335                     m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
 336                 else if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 337                         amount = 0;
 338                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 339                         amount = 1;
 340                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
 341                         amount = 10;
 342                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP &&
 343                                 m_selected_item &&
 344                                 (m_selected_item->listname != s.listname
 345                                         || m_selected_item->i != s.i))
 346                         amount = 0;
 347
 348
 349                 if(amount >= 0)
 350                 {
 351                         //infostream<<"Mouse action at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
 352                         if(s.isValid())
 353                         {
 354                                 infostream<<"Mouse action on "<<s.inventoryname
 355                                                 <<"/"<<s.listname<<" "<<s.i<<std::endl;
 356                                 if(m_selected_item)
 357                                 {
 358                                         Inventory *inv_from = m_invmgr->getInventory(m_c,
 359                                                         m_selected_item->inventoryname);
 360                                         Inventory *inv_to = m_invmgr->getInventory(m_c,
 361                                                         s.inventoryname);
 362                                         assert(inv_from);
 363                                         assert(inv_to);
 364                                         InventoryList *list_from =
 365                                                         inv_from->getList(m_selected_item->listname);
 366                                         InventoryList *list_to =
 367                                                         inv_to->getList(s.listname);
 368                                         if(list_from == NULL)
 369                                                 infostream<<"from list doesn't exist"<<std::endl;
 370                                         if(list_to == NULL)
 371                                                 infostream<<"to list doesn't exist"<<std::endl;
 372                                         // Indicates whether source slot completely empties
 373                                         bool source_empties = false;
 374                                         if(list_from && list_to
 375                                                         && list_from->getItem(m_selected_item->i) != NULL)
 376                                         {
 377                                                 infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
 378                                                 IMoveAction *a = new IMoveAction();
 379                                                 a->count = amount;
 380                                                 a->from_inv = m_selected_item->inventoryname;
 381                                                 a->from_list = m_selected_item->listname;
 382                                                 a->from_i = m_selected_item->i;
 383                                                 a->to_inv = s.inventoryname;
 384                                                 a->to_list = s.listname;
 385                                                 a->to_i = s.i;
 386                                                 //ispec.actions->push_back(a);
 387                                                 m_invmgr->inventoryAction(a);
 388
 389                                                 if(list_from->getItem(m_selected_item->i)->getCount()<=amount)
 390                                                         source_empties = true;
 391                                         }
 392                                         // Remove selection if target was left-clicked or source
 393                                         // slot was emptied
 394                                         if(amount == 0 || source_empties)
 395                                         {
 396                                                 delete m_selected_item;
 397                                                 m_selected_item = NULL;
 398                                         }
 399                                 }
 400                                 else
 401                                 {
 402                                         /*
 403                                                 Select if non-NULL
 404                                         */
 405                                         Inventory *inv = m_invmgr->getInventory(m_c,
 406                                                         s.inventoryname);
 407                                         assert(inv);
 408                                         InventoryList *list = inv->getList(s.listname);
 409                                         if(list->getItem(s.i) != NULL)
 410                                         {
 411                                                 m_selected_item = new ItemSpec(s);
 412                                         }
 413                                 }
 414                         }
 415                         else
 416                         {
 417                                 if(m_selected_item)
 418                                 {
 419                                         delete m_selected_item;
 420                                         m_selected_item = NULL;
 421                                 }
 422                         }
 423                 }
 424         }
 425         if(event.EventType==EET_GUI_EVENT)
 426         {
 427                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 428                                 && isVisible())
 429                 {
 430                         if(!canTakeFocus(event.GUIEvent.Element))
 431                         {
 432                                 infostream<<"GUIInventoryMenu: Not allowing focus change."
 433                                                 <<std::endl;
 434                                 // Returning true disables focus change
 435                                 return true;
 436                         }
 437                 }
 438                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 439                 {
 440                         /*switch(event.GUIEvent.Caller->getID())
 441                         {
 442                         case 256: // continue
 443                                 setVisible(false);
 444                                 break;
 445                         case 257: // exit
 446                                 dev->closeDevice();
 447                                 break;
 448                         }*/
 449                 }
 450         }
 451
 452         return Parent ? Parent->OnEvent(event) : false;
 453 }
 454
 455 /*
 456         Here is an example traditional set-up sequence for a DrawSpec list:
 457
 458         std::string furnace_inv_id = "nodemetadata:0,1,2";
 459         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
 460         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 461                         "list", furnace_inv_id, "fuel",
 462                         v2s32(2, 3), v2s32(1, 1)));
 463         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 464                         "list", furnace_inv_id, "src",
 465                         v2s32(2, 1), v2s32(1, 1)));
 466         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 467                         "list", furnace_inv_id, "dst",
 468                         v2s32(5, 1), v2s32(2, 2)));
 469         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 470                         "list", "current_player", "main",
 471                         v2s32(0, 5), v2s32(8, 4)));
 472         setDrawSpec(draw_spec);
 473
 474         Here is the string for creating the same DrawSpec list (a single line,
 475         spread to multiple lines here):
 476
 477         GUIInventoryMenu::makeDrawSpecArrayFromString(
 478                         draw_spec,
 479                         "nodemetadata:0,1,2",
 480                         "invsize[8,9;]"
 481                         "list[current_name;fuel;2,3;1,1;]"
 482                         "list[current_name;src;2,1;1,1;]"
 483                         "list[current_name;dst;5,1;2,2;]"
 484                         "list[current_player;main;0,5;8,4;]");
 485
 486         Returns inventory menu size defined by invsize[].
 487 */
 488 v2s16 GUIInventoryMenu::makeDrawSpecArrayFromString(
 489                 core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
 490                 const std::string &data,
 491                 const std::string &current_name)
 492 {
 493         v2s16 invsize(8,9);
 494         Strfnd f(data);
 495         while(f.atend() == false)
 496         {
 497                 std::string type = trim(f.next("["));
 498                 //infostream<<"type="<<type<<std::endl;
 499                 if(type == "list")
 500                 {
 501                         std::string name = f.next(";");
 502                         if(name == "current_name")
 503                                 name = current_name;
 504                         std::string subname = f.next(";");
 505                         s32 pos_x = stoi(f.next(","));
 506                         s32 pos_y = stoi(f.next(";"));
 507                         s32 geom_x = stoi(f.next(","));
 508                         s32 geom_y = stoi(f.next(";"));
 509                         infostream<<"list name="<<name<<", subname="<<subname
 510                                         <<", pos=("<<pos_x<<","<<pos_y<<")"
 511                                         <<", geom=("<<geom_x<<","<<geom_y<<")"
 512                                         <<std::endl;
 513                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 514                                         type, name, subname,
 515                                         v2s32(pos_x,pos_y),v2s32(geom_x,geom_y)));
 516                         f.next("]");
 517                 }
 518                 else if(type == "invsize")
 519                 {
 520                         invsize.X = stoi(f.next(","));
 521                         invsize.Y = stoi(f.next(";"));
 522                         infostream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
 523                         f.next("]");
 524                 }
 525                 else
 526                 {
 527                         // Ignore others
 528                         std::string ts = f.next("]");
 529                         infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
 530                                         <<std::endl;
 531                 }
 532         }
 533
 534         return invsize;
 535 }
 536