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 #include "inventorymanager.h"
  32
  33 void drawInventoryItem(video::IVideoDriver *driver,
  34                 gui::IGUIFont *font,
  35                 InventoryItem *item, core::rect<s32> rect,
  36                 const core::rect<s32> *clip,
  37                 ITextureSource *tsrc)
  38 {
  39         if(item == NULL)
  40                 return;
  41
  42         video::ITexture *texture = NULL;
  43         texture = item->getImage();
  44
  45         if(texture != NULL)
  46         {
  47                 const video::SColor color(255,255,255,255);
  48                 const video::SColor colors[] = {color,color,color,color};
  49                 driver->draw2DImage(texture, rect,
  50                         core::rect<s32>(core::position2d<s32>(0,0),
  51                         core::dimension2di(texture->getOriginalSize())),
  52                         clip, colors, true);
  53         }
  54         else
  55         {
  56                 video::SColor bgcolor(255,50,50,128);
  57                 driver->draw2DRectangle(bgcolor, rect, clip);
  58         }
  59
  60         if(font != NULL)
  61         {
  62                 std::string text = item->getText();
  63                 if(font && text != "")
  64                 {
  65                         v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
  66                         v2s32 sdim(dim.X,dim.Y);
  67
  68                         core::rect<s32> rect2(
  69                                 /*rect.UpperLeftCorner,
  70                                 core::dimension2d<u32>(rect.getWidth(), 15)*/
  71                                 rect.LowerRightCorner - sdim,
  72                                 sdim
  73                         );
  74
  75                         video::SColor bgcolor(128,0,0,0);
  76                         driver->draw2DRectangle(bgcolor, rect2, clip);
  77
  78                         font->draw(text.c_str(), rect2,
  79                                         video::SColor(255,255,255,255), false, false,
  80                                         clip);
  81                 }
  82         }
  83 }
  84
  85 /*
  86         GUIInventoryMenu
  87 */
  88
  89 GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
  90                 gui::IGUIElement* parent, s32 id,
  91                 IMenuManager *menumgr,
  92                 v2s16 menu_size,
  93                 InventoryContext *c,
  94                 InventoryManager *invmgr,
  95                 ITextureSource *tsrc
  96                 ):
  97         GUIModalMenu(env, parent, id, menumgr),
  98         m_menu_size(menu_size),
  99         m_c(c),
 100         m_invmgr(invmgr),
 101         m_tsrc(tsrc)
 102 {
 103         m_selected_item = NULL;
 104 }
 105
 106 GUIInventoryMenu::~GUIInventoryMenu()
 107 {
 108         removeChildren();
 109
 110         if(m_selected_item)
 111                 delete m_selected_item;
 112 }
 113
 114 void GUIInventoryMenu::removeChildren()
 115 {
 116         const core::list<gui::IGUIElement*> &children = getChildren();
 117         core::list<gui::IGUIElement*> children_copy;
 118         for(core::list<gui::IGUIElement*>::ConstIterator
 119                         i = children.begin(); i != children.end(); i++)
 120         {
 121                 children_copy.push_back(*i);
 122         }
 123         for(core::list<gui::IGUIElement*>::Iterator
 124                         i = children_copy.begin();
 125                         i != children_copy.end(); i++)
 126         {
 127                 (*i)->remove();
 128         }
 129         /*{
 130                 gui::IGUIElement *e = getElementFromId(256);
 131                 if(e != NULL)
 132                         e->remove();
 133         }*/
 134 }
 135
 136 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 137 {
 138         // Remove children
 139         removeChildren();
 140
 141         /*padding = v2s32(24,24);
 142         spacing = v2s32(60,56);
 143         imgsize = v2s32(48,48);*/
 144
 145         padding = v2s32(screensize.Y/40, screensize.Y/40);
 146         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 147         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 148
 149         s32 helptext_h = 15;
 150
 151         v2s32 size(
 152                 padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
 153                 padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
 154         );
 155
 156         core::rect<s32> rect(
 157                         screensize.X/2 - size.X/2,
 158                         screensize.Y/2 - size.Y/2,
 159                         screensize.X/2 + size.X/2,
 160                         screensize.Y/2 + size.Y/2
 161         );
 162
 163         DesiredRect = rect;
 164         recalculateAbsolutePosition(false);
 165
 166         v2s32 basepos = getBasePos();
 167
 168         m_draw_spec.clear();
 169         for(u16 i=0; i<m_init_draw_spec.size(); i++)
 170         {
 171                 DrawSpec &s = m_init_draw_spec[i];
 172                 if(s.type == "list")
 173                 {
 174                         m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
 175                                         basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
 176                                         s.geom));
 177                 }
 178         }
 179
 180         /*
 181         m_draw_spec.clear();
 182         m_draw_spec.push_back(ListDrawSpec("main",
 183                         basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
 184         m_draw_spec.push_back(ListDrawSpec("craft",
 185                         basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
 186         m_draw_spec.push_back(ListDrawSpec("craftresult",
 187                         basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
 188         */
 189
 190         // Add children
 191         {
 192                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 193                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 194                                 size.Y-rect.getHeight()-15);
 195                 const wchar_t *text =
 196                 L"Left click: Move all items, Right click: Move single item";
 197                 Environment->addStaticText(text, rect, false, true, this, 256);
 198         }
 199 }
 200
 201 GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 202 {
 203         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 204
 205         for(u32 i=0; i<m_draw_spec.size(); i++)
 206         {
 207                 const ListDrawSpec &s = m_draw_spec[i];
 208
 209                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 210                 {
 211                         s32 x = (i%s.geom.X) * spacing.X;
 212                         s32 y = (i/s.geom.X) * spacing.Y;
 213                         v2s32 p0(x,y);
 214                         core::rect<s32> rect = imgrect + s.pos + p0;
 215                         if(rect.isPointInside(p))
 216                         {
 217                                 return ItemSpec(s.inventoryname, s.listname, i);
 218                         }
 219                 }
 220         }
 221
 222         return ItemSpec("", "", -1);
 223 }
 224
 225 void GUIInventoryMenu::drawList(const ListDrawSpec &s, ITextureSource *tsrc)
 226 {
 227         video::IVideoDriver* driver = Environment->getVideoDriver();
 228
 229         // Get font
 230         gui::IGUIFont *font = NULL;
 231         gui::IGUISkin* skin = Environment->getSkin();
 232         if (skin)
 233                 font = skin->getFont();
 234
 235         Inventory *inv = m_invmgr->getInventory(m_c, s.inventoryname);
 236         assert(inv);
 237         InventoryList *ilist = inv->getList(s.listname);
 238
 239         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 240
 241         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 242         {
 243                 s32 x = (i%s.geom.X) * spacing.X;
 244                 s32 y = (i/s.geom.X) * spacing.Y;
 245                 v2s32 p(x,y);
 246                 core::rect<s32> rect = imgrect + s.pos + p;
 247                 InventoryItem *item = NULL;
 248                 if(ilist)
 249                         item = ilist->getItem(i);
 250
 251                 if(m_selected_item != NULL && m_selected_item->listname == s.listname
 252                                 && m_selected_item->i == i)
 253                 {
 254                         /*s32 border = imgsize.X/12;
 255                         driver->draw2DRectangle(video::SColor(255,192,192,192),
 256                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 257                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 258                                         NULL);
 259                         driver->draw2DRectangle(video::SColor(255,0,0,0),
 260                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*((border+1)/2),
 261                                                         rect.LowerRightCorner + v2s32(1,1)*((border+1)/2)),
 262                                         NULL);*/
 263                         s32 border = 2;
 264                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 265                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 266                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 267                                         &AbsoluteClippingRect);
 268                 }
 269
 270                 if(rect.isPointInside(m_pointer) && m_selected_item)
 271                 {
 272                     video::SColor bgcolor(255,192,192,192);
 273                     driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 274                 }
 275                 else
 276                 {
 277                     video::SColor bgcolor(255,128,128,128);
 278                     driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 279                 }
 280
 281                 if(item)
 282                 {
 283                         drawInventoryItem(driver, font, item,
 284                                         rect, &AbsoluteClippingRect, tsrc);
 285                 }
 286
 287         }
 288 }
 289
 290 void GUIInventoryMenu::drawMenu()
 291 {
 292         gui::IGUISkin* skin = Environment->getSkin();
 293         if (!skin)
 294                 return;
 295         video::IVideoDriver* driver = Environment->getVideoDriver();
 296
 297         video::SColor bgcolor(140,0,0,0);
 298         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 299
 300         /*
 301                 Draw items
 302         */
 303
 304         for(u32 i=0; i<m_draw_spec.size(); i++)
 305         {
 306                 ListDrawSpec &s = m_draw_spec[i];
 307                 drawList(s, m_tsrc);
 308         }
 309
 310         /*
 311                 Call base class
 312         */
 313         gui::IGUIElement::draw();
 314 }
 315
 316 bool GUIInventoryMenu::OnEvent(const SEvent& event)
 317 {
 318         if(event.EventType==EET_KEY_INPUT_EVENT)
 319         {
 320                 KeyPress kp(event.KeyInput);
 321                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
 322                         kp == getKeySetting("keymap_inventory")))
 323                 {
 324                         quitMenu();
 325                         return true;
 326                 }
 327         }
 328         if(event.EventType==EET_MOUSE_INPUT_EVENT)
 329         {
 330                 char amount = -1;
 331
 332                 v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 333                 ItemSpec s = getItemAtPos(p);
 334
 335                 if(event.MouseInput.Event==EMIE_MOUSE_MOVED)
 336                     m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
 337                 else if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 338                         amount = 0;
 339                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 340                         amount = 1;
 341                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
 342                         amount = 10;
 343                 else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP &&
 344                                 m_selected_item &&
 345                                 (m_selected_item->listname != s.listname
 346                                         || m_selected_item->i != s.i))
 347                         amount = 0;
 348
 349
 350                 if(amount >= 0)
 351                 {
 352                         //infostream<<"Mouse action at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
 353                         if(s.isValid())
 354                         {
 355                                 infostream<<"Mouse action on "<<s.inventoryname
 356                                                 <<"/"<<s.listname<<" "<<s.i<<std::endl;
 357                                 if(m_selected_item)
 358                                 {
 359                                         Inventory *inv_from = m_invmgr->getInventory(m_c,
 360                                                         m_selected_item->inventoryname);
 361                                         Inventory *inv_to = m_invmgr->getInventory(m_c,
 362                                                         s.inventoryname);
 363                                         assert(inv_from);
 364                                         assert(inv_to);
 365                                         InventoryList *list_from =
 366                                                         inv_from->getList(m_selected_item->listname);
 367                                         InventoryList *list_to =
 368                                                         inv_to->getList(s.listname);
 369                                         if(list_from == NULL)
 370                                                 infostream<<"from list doesn't exist"<<std::endl;
 371                                         if(list_to == NULL)
 372                                                 infostream<<"to list doesn't exist"<<std::endl;
 373                                         // Indicates whether source slot completely empties
 374                                         bool source_empties = false;
 375                                         if(list_from && list_to
 376                                                         && list_from->getItem(m_selected_item->i) != NULL)
 377                                         {
 378                                                 infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
 379                                                 IMoveAction *a = new IMoveAction();
 380                                                 a->count = amount;
 381                                                 a->from_inv = m_selected_item->inventoryname;
 382                                                 a->from_list = m_selected_item->listname;
 383                                                 a->from_i = m_selected_item->i;
 384                                                 a->to_inv = s.inventoryname;
 385                                                 a->to_list = s.listname;
 386                                                 a->to_i = s.i;
 387                                                 //ispec.actions->push_back(a);
 388                                                 m_invmgr->inventoryAction(a);
 389
 390                                                 if(list_from->getItem(m_selected_item->i)->getCount()<=amount)
 391                                                         source_empties = true;
 392                                         }
 393                                         // Remove selection if target was left-clicked or source
 394                                         // slot was emptied
 395                                         if(amount == 0 || source_empties)
 396                                         {
 397                                                 delete m_selected_item;
 398                                                 m_selected_item = NULL;
 399                                         }
 400                                 }
 401                                 else
 402                                 {
 403                                         /*
 404                                                 Select if non-NULL
 405                                         */
 406                                         Inventory *inv = m_invmgr->getInventory(m_c,
 407                                                         s.inventoryname);
 408                                         assert(inv);
 409                                         InventoryList *list = inv->getList(s.listname);
 410                                         if(list->getItem(s.i) != NULL)
 411                                         {
 412                                                 m_selected_item = new ItemSpec(s);
 413                                         }
 414                                 }
 415                         }
 416                         else
 417                         {
 418                                 if(m_selected_item)
 419                                 {
 420                                         delete m_selected_item;
 421                                         m_selected_item = NULL;
 422                                 }
 423                         }
 424                 }
 425         }
 426         if(event.EventType==EET_GUI_EVENT)
 427         {
 428                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 429                                 && isVisible())
 430                 {
 431                         if(!canTakeFocus(event.GUIEvent.Element))
 432                         {
 433                                 infostream<<"GUIInventoryMenu: Not allowing focus change."
 434                                                 <<std::endl;
 435                                 // Returning true disables focus change
 436                                 return true;
 437                         }
 438                 }
 439                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 440                 {
 441                         /*switch(event.GUIEvent.Caller->getID())
 442                         {
 443                         case 256: // continue
 444                                 setVisible(false);
 445                                 break;
 446                         case 257: // exit
 447                                 dev->closeDevice();
 448                                 break;
 449                         }*/
 450                 }
 451         }
 452
 453         return Parent ? Parent->OnEvent(event) : false;
 454 }
 455
 456 /*
 457         Here is an example traditional set-up sequence for a DrawSpec list:
 458
 459         std::string furnace_inv_id = "nodemetadata:0,1,2";
 460         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
 461         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 462                         "list", furnace_inv_id, "fuel",
 463                         v2s32(2, 3), v2s32(1, 1)));
 464         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 465                         "list", furnace_inv_id, "src",
 466                         v2s32(2, 1), v2s32(1, 1)));
 467         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 468                         "list", furnace_inv_id, "dst",
 469                         v2s32(5, 1), v2s32(2, 2)));
 470         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 471                         "list", "current_player", "main",
 472                         v2s32(0, 5), v2s32(8, 4)));
 473         setDrawSpec(draw_spec);
 474
 475         Here is the string for creating the same DrawSpec list (a single line,
 476         spread to multiple lines here):
 477
 478         GUIInventoryMenu::makeDrawSpecArrayFromString(
 479                         draw_spec,
 480                         "nodemetadata:0,1,2",
 481                         "invsize[8,9;]"
 482                         "list[current_name;fuel;2,3;1,1;]"
 483                         "list[current_name;src;2,1;1,1;]"
 484                         "list[current_name;dst;5,1;2,2;]"
 485                         "list[current_player;main;0,5;8,4;]");
 486
 487         Returns inventory menu size defined by invsize[].
 488 */
 489 v2s16 GUIInventoryMenu::makeDrawSpecArrayFromString(
 490                 core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
 491                 const std::string &data,
 492                 const std::string &current_name)
 493 {
 494         v2s16 invsize(8,9);
 495         Strfnd f(data);
 496         while(f.atend() == false)
 497         {
 498                 std::string type = trim(f.next("["));
 499                 //infostream<<"type="<<type<<std::endl;
 500                 if(type == "list")
 501                 {
 502                         std::string name = f.next(";");
 503                         if(name == "current_name")
 504                                 name = current_name;
 505                         std::string subname = f.next(";");
 506                         s32 pos_x = stoi(f.next(","));
 507                         s32 pos_y = stoi(f.next(";"));
 508                         s32 geom_x = stoi(f.next(","));
 509                         s32 geom_y = stoi(f.next(";"));
 510                         infostream<<"list name="<<name<<", subname="<<subname
 511                                         <<", pos=("<<pos_x<<","<<pos_y<<")"
 512                                         <<", geom=("<<geom_x<<","<<geom_y<<")"
 513                                         <<std::endl;
 514                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 515                                         type, name, subname,
 516                                         v2s32(pos_x,pos_y),v2s32(geom_x,geom_y)));
 517                         f.next("]");
 518                 }
 519                 else if(type == "invsize")
 520                 {
 521                         invsize.X = stoi(f.next(","));
 522                         invsize.Y = stoi(f.next(";"));
 523                         infostream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
 524                         f.next("]");
 525                 }
 526                 else
 527                 {
 528                         // Ignore others
 529                         std::string ts = f.next("]");
 530                         infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
 531                                         <<std::endl;
 532                 }
 533         }
 534
 535         return invsize;
 536 }
 537