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