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 Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser 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 "irrlichttypes_extrabloated.h"
  25 #include "inventory.h"
  26 #include "inventorymanager.h"
  27 #include "modalMenu.h"
  28
  29 class IGameDef;
  30 class InventoryManager;
  31
  32 class IFormSource
  33 {
  34 public:
  35         virtual ~IFormSource(){}
  36         virtual std::string getForm() = 0;
  37 };
  38
  39 void drawItemStack(video::IVideoDriver *driver,
  40                 gui::IGUIFont *font,
  41                 const ItemStack &item,
  42                 const core::rect<s32> &rect,
  43                 const core::rect<s32> *clip,
  44                 IGameDef *gamedef);
  45
  46 class GUIInventoryMenu : public GUIModalMenu
  47 {
  48         struct ItemSpec
  49         {
  50                 ItemSpec()
  51                 {
  52                         i = -1;
  53                 }
  54                 ItemSpec(const InventoryLocation &a_inventoryloc,
  55                                 const std::string &a_listname,
  56                                 s32 a_i)
  57                 {
  58                         inventoryloc = a_inventoryloc;
  59                         listname = a_listname;
  60                         i = a_i;
  61                 }
  62                 bool isValid() const
  63                 {
  64                         return i != -1;
  65                 }
  66
  67                 InventoryLocation inventoryloc;
  68                 std::string listname;
  69                 s32 i;
  70         };
  71
  72         struct ListDrawSpec
  73         {
  74                 ListDrawSpec()
  75                 {
  76                 }
  77                 ListDrawSpec(const InventoryLocation &a_inventoryloc,
  78                                 const std::string &a_listname,
  79                                 v2s32 a_pos, v2s32 a_geom):
  80                         inventoryloc(a_inventoryloc),
  81                         listname(a_listname),
  82                         pos(a_pos),
  83                         geom(a_geom)
  84                 {
  85                 }
  86
  87                 InventoryLocation inventoryloc;
  88                 std::string listname;
  89                 v2s32 pos;
  90                 v2s32 geom;
  91         };
  92
  93         struct ImageDrawSpec
  94         {
  95                 ImageDrawSpec()
  96                 {
  97                 }
  98                 ImageDrawSpec(const std::string &a_name,
  99                                 v2s32 a_pos, v2s32 a_geom):
 100                         name(a_name),
 101                         pos(a_pos),
 102                         geom(a_geom)
 103                 {
 104                 }
 105                 std::string name;
 106                 v2s32 pos;
 107                 v2s32 geom;
 108         };
 109
 110 public:
 111         GUIInventoryMenu(gui::IGUIEnvironment* env,
 112                         gui::IGUIElement* parent, s32 id,
 113                         IMenuManager *menumgr,
 114                         InventoryManager *invmgr,
 115                         IGameDef *gamedef
 116                         );
 117         ~GUIInventoryMenu();
 118
 119         void setFormSpec(const std::string &formspec_string,
 120                         InventoryLocation current_inventory_location)
 121         {
 122                 m_formspec_string = formspec_string;
 123                 m_current_inventory_location = current_inventory_location;
 124                 regenerateGui(m_screensize_old);
 125         }
 126
 127         // form_src is deleted by this GUIInventoryMenu
 128         void setFormSource(IFormSource *form_src)
 129         {
 130                 m_form_src = form_src;
 131         }
 132
 133         void removeChildren();
 134         /*
 135                 Remove and re-add (or reposition) stuff
 136         */
 137         void regenerateGui(v2u32 screensize);
 138
 139         ItemSpec getItemAtPos(v2s32 p) const;
 140         void drawList(const ListDrawSpec &s, int phase);
 141         void drawSelectedItem();
 142         void drawMenu();
 143         void updateSelectedItem();
 144
 145         bool OnEvent(const SEvent& event);
 146
 147 protected:
 148         v2s32 getBasePos() const
 149         {
 150                 return padding + AbsoluteRect.UpperLeftCorner;
 151         }
 152
 153         v2s32 padding;
 154         v2s32 spacing;
 155         v2s32 imgsize;
 156
 157         InventoryManager *m_invmgr;
 158         IGameDef *m_gamedef;
 159
 160         std::string m_formspec_string;
 161         InventoryLocation m_current_inventory_location;
 162         IFormSource *m_form_src;
 163
 164         core::array<ListDrawSpec> m_inventorylists;
 165         core::array<ImageDrawSpec> m_images;
 166
 167         ItemSpec *m_selected_item;
 168         u32 m_selected_amount;
 169         bool m_selected_dragging;
 170
 171         v2s32 m_pointer;
 172         gui::IGUIStaticText *m_tooltip_element;
 173 };
 174
 175 #endif
 176