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