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