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
  25 void drawInventoryItem(video::IVideoDriver *driver,
  26                 gui::IGUIFont *font,
  27                 InventoryItem *item, core::rect<s32> rect,
  28                 const core::rect<s32> *clip)
  29 {
  30         if(item == NULL)
  31                 return;
  32
  33         video::ITexture *texture = NULL;
  34         texture = item->getImage();
  35
  36         if(texture != NULL)
  37         {
  38                 const video::SColor color(255,255,255,255);
  39                 const video::SColor colors[] = {color,color,color,color};
  40                 driver->draw2DImage(texture, rect,
  41                         core::rect<s32>(core::position2d<s32>(0,0),
  42                         core::dimension2di(texture->getOriginalSize())),
  43                         clip, colors, false);
  44         }
  45         else
  46         {
  47                 video::SColor bgcolor(255,50,50,128);
  48                 driver->draw2DRectangle(bgcolor, rect, clip);
  49         }
  50
  51         if(font != NULL)
  52         {
  53                 std::string text = item->getText();
  54                 if(font && text != "")
  55                 {
  56                         v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
  57                         v2s32 sdim(dim.X,dim.Y);
  58
  59                         core::rect<s32> rect2(
  60                                 /*rect.UpperLeftCorner,
  61                                 core::dimension2d<u32>(rect.getWidth(), 15)*/
  62                                 rect.LowerRightCorner - sdim,
  63                                 sdim
  64                         );
  65
  66                         video::SColor bgcolor(128,0,0,0);
  67                         driver->draw2DRectangle(bgcolor, rect2, clip);
  68
  69                         font->draw(text.c_str(), rect2,
  70                                         video::SColor(255,255,255,255), false, false,
  71                                         clip);
  72                 }
  73         }
  74 }
  75
  76 /*
  77         GUIInventoryMenu
  78 */
  79
  80 GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
  81                 gui::IGUIElement* parent, s32 id,
  82                 IMenuManager *menumgr,
  83                 v2s16 menu_size,
  84                 InventoryContext *c,
  85                 InventoryManager *invmgr
  86                 ):
  87         GUIModalMenu(env, parent, id, menumgr),
  88         m_menu_size(menu_size),
  89         m_c(c),
  90         m_invmgr(invmgr)
  91 {
  92         m_selected_item = NULL;
  93 }
  94
  95 GUIInventoryMenu::~GUIInventoryMenu()
  96 {
  97         removeChildren();
  98
  99         if(m_selected_item)
 100                 delete m_selected_item;
 101 }
 102
 103 void GUIInventoryMenu::removeChildren()
 104 {
 105         const core::list<gui::IGUIElement*> &children = getChildren();
 106         core::list<gui::IGUIElement*> children_copy;
 107         for(core::list<gui::IGUIElement*>::ConstIterator
 108                         i = children.begin(); i != children.end(); i++)
 109         {
 110                 children_copy.push_back(*i);
 111         }
 112         for(core::list<gui::IGUIElement*>::Iterator
 113                         i = children_copy.begin();
 114                         i != children_copy.end(); i++)
 115         {
 116                 (*i)->remove();
 117         }
 118         /*{
 119                 gui::IGUIElement *e = getElementFromId(256);
 120                 if(e != NULL)
 121                         e->remove();
 122         }*/
 123 }
 124
 125 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 126 {
 127         // Remove children
 128         removeChildren();
 129
 130         /*padding = v2s32(24,24);
 131         spacing = v2s32(60,56);
 132         imgsize = v2s32(48,48);*/
 133
 134         padding = v2s32(screensize.Y/40, screensize.Y/40);
 135         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 136         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 137
 138         s32 helptext_h = 15;
 139
 140         v2s32 size(
 141                 padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
 142                 padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
 143         );
 144
 145         core::rect<s32> rect(
 146                         screensize.X/2 - size.X/2,
 147                         screensize.Y/2 - size.Y/2,
 148                         screensize.X/2 + size.X/2,
 149                         screensize.Y/2 + size.Y/2
 150         );
 151
 152         DesiredRect = rect;
 153         recalculateAbsolutePosition(false);
 154
 155         v2s32 basepos = getBasePos();
 156
 157         m_draw_spec.clear();
 158         for(u16 i=0; i<m_init_draw_spec.size(); i++)
 159         {
 160                 DrawSpec &s = m_init_draw_spec[i];
 161                 if(s.type == "list")
 162                 {
 163                         m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
 164                                         basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
 165                                         s.geom));
 166                 }
 167         }
 168
 169         /*
 170         m_draw_spec.clear();
 171         m_draw_spec.push_back(ListDrawSpec("main",
 172                         basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
 173         m_draw_spec.push_back(ListDrawSpec("craft",
 174                         basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
 175         m_draw_spec.push_back(ListDrawSpec("craftresult",
 176                         basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
 177         */
 178
 179         // Add children
 180         {
 181                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 182                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 183                                 size.Y-rect.getHeight()-15);
 184                 const wchar_t *text =
 185                 L"Left click: Move all items, Right click: Move single item";
 186                 Environment->addStaticText(text, rect, false, true, this, 256);
 187         }
 188 }
 189
 190 GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 191 {
 192         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 193
 194         for(u32 i=0; i<m_draw_spec.size(); i++)
 195         {
 196                 const ListDrawSpec &s = m_draw_spec[i];
 197
 198                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 199                 {
 200                         s32 x = (i%s.geom.X) * spacing.X;
 201                         s32 y = (i/s.geom.X) * spacing.Y;
 202                         v2s32 p0(x,y);
 203                         core::rect<s32> rect = imgrect + s.pos + p0;
 204                         if(rect.isPointInside(p))
 205                         {
 206                                 return ItemSpec(s.inventoryname, s.listname, i);
 207                         }
 208                 }
 209         }
 210
 211         return ItemSpec("", "", -1);
 212 }
 213
 214 void GUIInventoryMenu::drawList(const ListDrawSpec &s)
 215 {
 216         video::IVideoDriver* driver = Environment->getVideoDriver();
 217
 218         // Get font
 219         gui::IGUIFont *font = NULL;
 220         gui::IGUISkin* skin = Environment->getSkin();
 221         if (skin)
 222                 font = skin->getFont();
 223
 224         Inventory *inv = m_invmgr->getInventory(m_c, s.inventoryname);
 225         assert(inv);
 226         InventoryList *ilist = inv->getList(s.listname);
 227
 228         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 229
 230         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 231         {
 232                 s32 x = (i%s.geom.X) * spacing.X;
 233                 s32 y = (i/s.geom.X) * spacing.Y;
 234                 v2s32 p(x,y);
 235                 core::rect<s32> rect = imgrect + s.pos + p;
 236                 InventoryItem *item = NULL;
 237                 if(ilist)
 238                         item = ilist->getItem(i);
 239
 240                 if(m_selected_item != NULL && m_selected_item->listname == s.listname
 241                                 && m_selected_item->i == i)
 242                 {
 243                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 244                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(2,2),
 245                                                         rect.LowerRightCorner + v2s32(2,2)),
 246                                         &AbsoluteClippingRect);
 247                 }
 248
 249                 if(item)
 250                 {
 251                         drawInventoryItem(driver, font, item,
 252                                         rect, &AbsoluteClippingRect);
 253                 }
 254                 else
 255                 {
 256                         video::SColor bgcolor(255,128,128,128);
 257                         driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 258                 }
 259         }
 260 }
 261
 262 void GUIInventoryMenu::drawMenu()
 263 {
 264         gui::IGUISkin* skin = Environment->getSkin();
 265         if (!skin)
 266                 return;
 267         video::IVideoDriver* driver = Environment->getVideoDriver();
 268
 269         video::SColor bgcolor(140,0,0,0);
 270         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 271
 272         /*
 273                 Draw items
 274         */
 275
 276         for(u32 i=0; i<m_draw_spec.size(); i++)
 277         {
 278                 ListDrawSpec &s = m_draw_spec[i];
 279                 drawList(s);
 280         }
 281
 282         /*
 283                 Call base class
 284         */
 285         gui::IGUIElement::draw();
 286 }
 287
 288 bool GUIInventoryMenu::OnEvent(const SEvent& event)
 289 {
 290         if(event.EventType==EET_KEY_INPUT_EVENT)
 291         {
 292                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 293                 {
 294                         quitMenu();
 295                         return true;
 296                 }
 297                 if(event.KeyInput.Key==getKeySetting("keymap_inventory") && event.KeyInput.PressedDown)
 298                 {
 299                         quitMenu();
 300                         return true;
 301                 }
 302         }
 303         if(event.EventType==EET_MOUSE_INPUT_EVENT)
 304         {
 305                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN
 306                                 || event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 307                 {
 308                         bool right = (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN);
 309                         v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 310                         //dstream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
 311                         ItemSpec s = getItemAtPos(p);
 312                         if(s.isValid())
 313                         {
 314                                 dstream<<"Mouse down on "<<s.inventoryname
 315                                                 <<"/"<<s.listname<<" "<<s.i<<std::endl;
 316                                 if(m_selected_item)
 317                                 {
 318                                         Inventory *inv_from = m_invmgr->getInventory(m_c,
 319                                                         m_selected_item->inventoryname);
 320                                         Inventory *inv_to = m_invmgr->getInventory(m_c,
 321                                                         s.inventoryname);
 322                                         assert(inv_from);
 323                                         assert(inv_to);
 324                                         InventoryList *list_from =
 325                                                         inv_from->getList(m_selected_item->listname);
 326                                         InventoryList *list_to =
 327                                                         inv_to->getList(s.listname);
 328                                         if(list_from == NULL)
 329                                                 dstream<<"from list doesn't exist"<<std::endl;
 330                                         if(list_to == NULL)
 331                                                 dstream<<"to list doesn't exist"<<std::endl;
 332                                         // Indicates whether source slot completely empties
 333                                         bool source_empties = false;
 334                                         if(list_from && list_to
 335                                                         && list_from->getItem(m_selected_item->i) != NULL)
 336                                         {
 337                                                 dstream<<"Handing IACTION_MOVE to manager"<<std::endl;
 338                                                 IMoveAction *a = new IMoveAction();
 339                                                 a->count = right ? 1 : 0;
 340                                                 a->from_inv = m_selected_item->inventoryname;
 341                                                 a->from_list = m_selected_item->listname;
 342                                                 a->from_i = m_selected_item->i;
 343                                                 a->to_inv = s.inventoryname;
 344                                                 a->to_list = s.listname;
 345                                                 a->to_i = s.i;
 346                                                 //ispec.actions->push_back(a);
 347                                                 m_invmgr->inventoryAction(a);
 348
 349                                                 if(list_from->getItem(m_selected_item->i)->getCount()==1)
 350                                                         source_empties = true;
 351                                         }
 352                                         // Remove selection if target was left-clicked or source
 353                                         // slot was emptied
 354                                         if(right == false || source_empties)
 355                                         {
 356                                                 delete m_selected_item;
 357                                                 m_selected_item = NULL;
 358                                         }
 359                                 }
 360                                 else
 361                                 {
 362                                         /*
 363                                                 Select if non-NULL
 364                                         */
 365                                         Inventory *inv = m_invmgr->getInventory(m_c,
 366                                                         s.inventoryname);
 367                                         assert(inv);
 368                                         InventoryList *list = inv->getList(s.listname);
 369                                         if(list->getItem(s.i) != NULL)
 370                                         {
 371                                                 m_selected_item = new ItemSpec(s);
 372                                         }
 373                                 }
 374                         }
 375                         else
 376                         {
 377                                 if(m_selected_item)
 378                                 {
 379                                         delete m_selected_item;
 380                                         m_selected_item = NULL;
 381                                 }
 382                         }
 383                 }
 384         }
 385         if(event.EventType==EET_GUI_EVENT)
 386         {
 387                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 388                                 && isVisible())
 389                 {
 390                         if(!canTakeFocus(event.GUIEvent.Element))
 391                         {
 392                                 dstream<<"GUIInventoryMenu: Not allowing focus change."
 393                                                 <<std::endl;
 394                                 // Returning true disables focus change
 395                                 return true;
 396                         }
 397                 }
 398                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 399                 {
 400                         /*switch(event.GUIEvent.Caller->getID())
 401                         {
 402                         case 256: // continue
 403                                 setVisible(false);
 404                                 break;
 405                         case 257: // exit
 406                                 dev->closeDevice();
 407                                 break;
 408                         }*/
 409                 }
 410         }
 411
 412         return Parent ? Parent->OnEvent(event) : false;
 413 }
 414
 415
 416