src/guiInventoryMenu.h

   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 #ifndef GUIINVENTORYMENU_HEADER
  22 #define GUIINVENTORYMENU_HEADER
  23
  24 #include "common_irrlicht.h"
  25 #include "inventory.h"
  26 #include "inventorymanager.h"
  27 #include "utility.h"
  28 #include "modalMenu.h"
  29
  30 class IGameDef;
  31 class InventoryManager;
  32
  33 void drawItemStack(video::IVideoDriver *driver,
  34                 gui::IGUIFont *font,
  35                 const ItemStack &item,
  36                 const core::rect<s32> &rect,
  37                 const core::rect<s32> *clip,
  38                 IGameDef *gamedef);
  39
  40 class GUIInventoryMenu : public GUIModalMenu
  41 {
  42         struct ItemSpec
  43         {
  44                 ItemSpec()
  45                 {
  46                         i = -1;
  47                 }
  48                 ItemSpec(const InventoryLocation &a_inventoryloc,
  49                                 const std::string &a_listname,
  50                                 s32 a_i)
  51                 {
  52                         inventoryloc = a_inventoryloc;
  53                         listname = a_listname;
  54                         i = a_i;
  55                 }
  56                 bool isValid() const
  57                 {
  58                         return i != -1;
  59                 }
  60
  61                 InventoryLocation inventoryloc;
  62                 std::string listname;
  63                 s32 i;
  64         };
  65
  66         struct ListDrawSpec
  67         {
  68                 ListDrawSpec()
  69                 {
  70                 }
  71                 ListDrawSpec(const InventoryLocation &a_inventoryloc,
  72                                 const std::string &a_listname,
  73                                 v2s32 a_pos, v2s32 a_geom)
  74                 {
  75                         inventoryloc = a_inventoryloc;
  76                         listname = a_listname;
  77                         pos = a_pos;
  78                         geom = a_geom;
  79                 }
  80
  81                 InventoryLocation inventoryloc;
  82                 std::string listname;
  83                 v2s32 pos;
  84                 v2s32 geom;
  85         };
  86 public:
  87         GUIInventoryMenu(gui::IGUIEnvironment* env,
  88                         gui::IGUIElement* parent, s32 id,
  89                         IMenuManager *menumgr,
  90                         InventoryManager *invmgr,
  91                         IGameDef *gamedef
  92                         );
  93         ~GUIInventoryMenu();
  94
  95         void setFormSpec(const std::string &formspec_string,
  96                         InventoryLocation current_inventory_location)
  97         {
  98                 m_formspec_string = formspec_string;
  99                 m_current_inventory_location = current_inventory_location;
 100                 regenerateGui(m_screensize_old);
 101         }
 102
 103         void removeChildren();
 104         /*
 105                 Remove and re-add (or reposition) stuff
 106         */
 107         void regenerateGui(v2u32 screensize);
 108
 109         ItemSpec getItemAtPos(v2s32 p) const;
 110         void drawList(const ListDrawSpec &s, int phase);
 111         void drawSelectedItem();
 112         void drawMenu();
 113         void updateSelectedItem();
 114
 115         bool OnEvent(const SEvent& event);
 116
 117 protected:
 118         v2s32 getBasePos() const
 119         {
 120                 return padding + AbsoluteRect.UpperLeftCorner;
 121         }
 122
 123         v2s32 padding;
 124         v2s32 spacing;
 125         v2s32 imgsize;
 126
 127         InventoryManager *m_invmgr;
 128         IGameDef *m_gamedef;
 129
 130         std::string m_formspec_string;
 131         InventoryLocation m_current_inventory_location;
 132         core::array<ListDrawSpec> m_draw_spec;
 133
 134         ItemSpec *m_selected_item;
 135         u32 m_selected_amount;
 136         bool m_selected_dragging;
 137
 138         v2s32 m_pointer;
 139         gui::IGUIStaticText *m_tooltip_element;
 140 };
 141
 142 #endif
 143