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 "utility.h"
  27 #include "modalMenu.h"
  28
  29 class ITextureSource;
  30 class InventoryContext;
  31 class InventoryManager;
  32
  33 void drawInventoryItem(video::IVideoDriver *driver,
  34                 gui::IGUIFont *font,
  35                 InventoryItem *item, core::rect<s32> rect,
  36                 const core::rect<s32> *clip,
  37                 ITextureSource *tsrc);
  38
  39 class GUIInventoryMenu : public GUIModalMenu
  40 {
  41         struct ItemSpec
  42         {
  43                 ItemSpec()
  44                 {
  45                         i = -1;
  46                 }
  47                 ItemSpec(const std::string &a_inventoryname,
  48                                 const std::string &a_listname,
  49                                 s32 a_i)
  50                 {
  51                         inventoryname = a_inventoryname;
  52                         listname = a_listname;
  53                         i = a_i;
  54                 }
  55                 bool isValid() const
  56                 {
  57                         return i != -1;
  58                 }
  59
  60                 std::string inventoryname;
  61                 std::string listname;
  62                 s32 i;
  63         };
  64
  65         struct ListDrawSpec
  66         {
  67                 ListDrawSpec()
  68                 {
  69                 }
  70                 ListDrawSpec(const std::string &a_inventoryname,
  71                                 const std::string &a_listname,
  72                                 v2s32 a_pos, v2s32 a_geom)
  73                 {
  74                         inventoryname = a_inventoryname;
  75                         listname = a_listname;
  76                         pos = a_pos;
  77                         geom = a_geom;
  78                 }
  79
  80                 std::string inventoryname;
  81                 std::string listname;
  82                 v2s32 pos;
  83                 v2s32 geom;
  84         };
  85 public:
  86         struct DrawSpec
  87         {
  88                 DrawSpec()
  89                 {
  90                 }
  91                 DrawSpec(const std::string &a_type,
  92                                 const std::string &a_name,
  93                                 const std::string &a_subname,
  94                                 v2s32 a_pos,
  95                                 v2s32 a_geom)
  96                 {
  97                         type = a_type;
  98                         name = a_name;
  99                         subname = a_subname;
 100                         pos = a_pos;
 101                         geom = a_geom;
 102                 }
 103
 104                 std::string type;
 105                 std::string name;
 106                 std::string subname;
 107                 v2s32 pos;
 108                 v2s32 geom;
 109         };
 110
 111         // See .cpp for format
 112         static v2s16 makeDrawSpecArrayFromString(
 113                         core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
 114                         const std::string &data,
 115                         const std::string &current_name);
 116
 117         GUIInventoryMenu(gui::IGUIEnvironment* env,
 118                         gui::IGUIElement* parent, s32 id,
 119                         IMenuManager *menumgr,
 120                         v2s16 menu_size,
 121                         InventoryContext *c,
 122                         InventoryManager *invmgr,
 123                         ITextureSource *tsrc
 124                         );
 125         ~GUIInventoryMenu();
 126
 127         void setDrawSpec(core::array<DrawSpec> &init_draw_spec)
 128         {
 129                 m_init_draw_spec = init_draw_spec;
 130         }
 131
 132         void removeChildren();
 133         /*
 134                 Remove and re-add (or reposition) stuff
 135         */
 136         void regenerateGui(v2u32 screensize);
 137
 138         ItemSpec getItemAtPos(v2s32 p) const;
 139         void drawList(const ListDrawSpec &s, ITextureSource *tsrc);
 140         void drawMenu();
 141
 142         bool OnEvent(const SEvent& event);
 143
 144 protected:
 145         v2s32 getBasePos() const
 146         {
 147                 return padding + AbsoluteRect.UpperLeftCorner;
 148         }
 149
 150         v2s16 m_menu_size;
 151
 152         v2s32 padding;
 153         v2s32 spacing;
 154         v2s32 imgsize;
 155
 156         InventoryContext *m_c;
 157         InventoryManager *m_invmgr;
 158         ITextureSource *m_tsrc;
 159
 160         core::array<DrawSpec> m_init_draw_spec;
 161         core::array<ListDrawSpec> m_draw_spec;
 162
 163         ItemSpec *m_selected_item;
 164         v2s32 m_pointer;
 165 };
 166
 167 #endif
 168