src/guiFormSpecMenu.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 struct TextDest
  33 {
  34         virtual ~TextDest() {};
  35         // This is deprecated I guess? -celeron55
  36         virtual void gotText(std::wstring text){}
  37         virtual void gotText(std::map<std::string, std::string> fields) = 0;
  38 };
  39
  40 class IFormSource
  41 {
  42 public:
  43         virtual ~IFormSource(){}
  44         virtual std::string getForm() = 0;
  45         // Fill in variables in field text
  46         virtual std::string resolveText(std::string str){ return str; }
  47 };
  48
  49 void drawItemStack(video::IVideoDriver *driver,
  50                 gui::IGUIFont *font,
  51                 const ItemStack &item,
  52                 const core::rect<s32> &rect,
  53                 const core::rect<s32> *clip,
  54                 IGameDef *gamedef);
  55
  56 class GUIFormSpecMenu : public GUIModalMenu
  57 {
  58         struct ItemSpec
  59         {
  60                 ItemSpec()
  61                 {
  62                         i = -1;
  63                 }
  64                 ItemSpec(const InventoryLocation &a_inventoryloc,
  65                                 const std::string &a_listname,
  66                                 s32 a_i)
  67                 {
  68                         inventoryloc = a_inventoryloc;
  69                         listname = a_listname;
  70                         i = a_i;
  71                 }
  72                 bool isValid() const
  73                 {
  74                         return i != -1;
  75                 }
  76
  77                 InventoryLocation inventoryloc;
  78                 std::string listname;
  79                 s32 i;
  80         };
  81
  82         struct ListDrawSpec
  83         {
  84                 ListDrawSpec()
  85                 {
  86                 }
  87                 ListDrawSpec(const InventoryLocation &a_inventoryloc,
  88                                 const std::string &a_listname,
  89                                 v2s32 a_pos, v2s32 a_geom):
  90                         inventoryloc(a_inventoryloc),
  91                         listname(a_listname),
  92                         pos(a_pos),
  93                         geom(a_geom)
  94                 {
  95                 }
  96
  97                 InventoryLocation inventoryloc;
  98                 std::string listname;
  99                 v2s32 pos;
 100                 v2s32 geom;
 101         };
 102
 103         struct ImageDrawSpec
 104         {
 105                 ImageDrawSpec()
 106                 {
 107                 }
 108                 ImageDrawSpec(const std::string &a_name,
 109                                 v2s32 a_pos, v2s32 a_geom):
 110                         name(a_name),
 111                         pos(a_pos),
 112                         geom(a_geom)
 113                 {
 114                 }
 115                 std::string name;
 116                 v2s32 pos;
 117                 v2s32 geom;
 118         };
 119
 120         struct FieldSpec
 121         {
 122                 FieldSpec()
 123                 {
 124                 }
 125                 FieldSpec(const std::wstring name, const std::wstring label, const std::wstring fdeflt, int id):
 126                         fname(name),
 127                         flabel(label),
 128                         fdefault(fdeflt),
 129                         fid(id)
 130                 {
 131                         send = false;
 132                         is_button = false;
 133                         is_exit = false;
 134                 }
 135                 std::wstring fname;
 136                 std::wstring flabel;
 137                 std::wstring fdefault;
 138                 int fid;
 139                 bool send;
 140                 bool is_button;
 141                 bool is_exit;
 142         };
 143
 144 public:
 145         GUIFormSpecMenu(gui::IGUIEnvironment* env,
 146                         gui::IGUIElement* parent, s32 id,
 147                         IMenuManager *menumgr,
 148                         InventoryManager *invmgr,
 149                         IGameDef *gamedef
 150                         );
 151         ~GUIFormSpecMenu();
 152
 153         void setFormSpec(const std::string &formspec_string,
 154                         InventoryLocation current_inventory_location)
 155         {
 156                 m_formspec_string = formspec_string;
 157                 m_current_inventory_location = current_inventory_location;
 158                 regenerateGui(m_screensize_old);
 159         }
 160
 161         // form_src is deleted by this GUIFormSpecMenu
 162         void setFormSource(IFormSource *form_src)
 163         {
 164                 m_form_src = form_src;
 165         }
 166
 167         // text_dst is deleted by this GUIFormSpecMenu
 168         void setTextDest(TextDest *text_dst)
 169         {
 170                 m_text_dst = text_dst;
 171         }
 172
 173         void removeChildren();
 174         /*
 175                 Remove and re-add (or reposition) stuff
 176         */
 177         void regenerateGui(v2u32 screensize);
 178
 179         ItemSpec getItemAtPos(v2s32 p) const;
 180         void drawList(const ListDrawSpec &s, int phase);
 181         void drawSelectedItem();
 182         void drawMenu();
 183         void updateSelectedItem();
 184
 185         void acceptInput();
 186         bool OnEvent(const SEvent& event);
 187
 188 protected:
 189         v2s32 getBasePos() const
 190         {
 191                 return padding + AbsoluteRect.UpperLeftCorner;
 192         }
 193
 194         v2s32 padding;
 195         v2s32 spacing;
 196         v2s32 imgsize;
 197
 198         InventoryManager *m_invmgr;
 199         IGameDef *m_gamedef;
 200
 201         std::string m_formspec_string;
 202         InventoryLocation m_current_inventory_location;
 203         IFormSource *m_form_src;
 204         TextDest *m_text_dst;
 205
 206         core::array<ListDrawSpec> m_inventorylists;
 207         core::array<ImageDrawSpec> m_images;
 208         core::array<FieldSpec> m_fields;
 209
 210         ItemSpec *m_selected_item;
 211         u32 m_selected_amount;
 212         bool m_selected_dragging;
 213
 214         v2s32 m_pointer;
 215         gui::IGUIStaticText *m_tooltip_element;
 216 };
 217
 218 #endif
 219