src/guiFormSpecMenu.h

   1 /*
   2 Minetest
   3 Copyright (C) 2013 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, s32 a_start_item_i):
  90                         inventoryloc(a_inventoryloc),
  91                         listname(a_listname),
  92                         pos(a_pos),
  93                         geom(a_geom),
  94                         start_item_i(a_start_item_i)
  95                 {
  96                 }
  97
  98                 InventoryLocation inventoryloc;
  99                 std::string listname;
 100                 v2s32 pos;
 101                 v2s32 geom;
 102                 s32 start_item_i;
 103         };
 104
 105         struct ImageDrawSpec
 106         {
 107                 ImageDrawSpec()
 108                 {
 109                 }
 110                 ImageDrawSpec(const std::string &a_name,
 111                                 v2s32 a_pos, v2s32 a_geom):
 112                         name(a_name),
 113                         pos(a_pos),
 114                         geom(a_geom)
 115                 {
 116                 }
 117                 std::string name;
 118                 v2s32 pos;
 119                 v2s32 geom;
 120         };
 121
 122         struct FieldSpec
 123         {
 124                 FieldSpec()
 125                 {
 126                 }
 127                 FieldSpec(const std::wstring name, const std::wstring label, const std::wstring fdeflt, int id):
 128                         fname(name),
 129                         flabel(label),
 130                         fdefault(fdeflt),
 131                         fid(id)
 132                 {
 133                         send = false;
 134                         is_button = false;
 135                         is_exit = false;
 136                         tooltip="";
 137                 }
 138                 std::wstring fname;
 139                 std::wstring flabel;
 140                 std::wstring fdefault;
 141                 int fid;
 142                 bool send;
 143                 bool is_button;
 144                 bool is_exit;
 145                 core::rect<s32> rect;
 146                 std::string tooltip;
 147         };
 148
 149 public:
 150         GUIFormSpecMenu(irr::IrrlichtDevice* dev,
 151                         gui::IGUIElement* parent, s32 id,
 152                         IMenuManager *menumgr,
 153                         InventoryManager *invmgr,
 154                         IGameDef *gamedef
 155                         );
 156         ~GUIFormSpecMenu();
 157
 158         void setFormSpec(const std::string &formspec_string,
 159                         InventoryLocation current_inventory_location)
 160         {
 161                 m_formspec_string = formspec_string;
 162                 m_current_inventory_location = current_inventory_location;
 163                 regenerateGui(m_screensize_old);
 164         }
 165
 166         // form_src is deleted by this GUIFormSpecMenu
 167         void setFormSource(IFormSource *form_src)
 168         {
 169                 m_form_src = form_src;
 170         }
 171
 172         // text_dst is deleted by this GUIFormSpecMenu
 173         void setTextDest(TextDest *text_dst)
 174         {
 175                 m_text_dst = text_dst;
 176         }
 177
 178         void removeChildren();
 179         /*
 180                 Remove and re-add (or reposition) stuff
 181         */
 182         void regenerateGui(v2u32 screensize);
 183
 184         ItemSpec getItemAtPos(v2s32 p) const;
 185         void drawList(const ListDrawSpec &s, int phase);
 186         void drawSelectedItem();
 187         void drawMenu();
 188         void updateSelectedItem();
 189
 190         void acceptInput();
 191         bool OnEvent(const SEvent& event);
 192
 193 protected:
 194         v2s32 getBasePos() const
 195         {
 196                 return padding + AbsoluteRect.UpperLeftCorner;
 197         }
 198
 199         v2s32 padding;
 200         v2s32 spacing;
 201         v2s32 imgsize;
 202
 203         irr::IrrlichtDevice* m_device;
 204         InventoryManager *m_invmgr;
 205         IGameDef *m_gamedef;
 206
 207         std::string m_formspec_string;
 208         InventoryLocation m_current_inventory_location;
 209         IFormSource *m_form_src;
 210         TextDest *m_text_dst;
 211
 212         std::vector<ListDrawSpec> m_inventorylists;
 213         std::vector<ImageDrawSpec> m_backgrounds;
 214         std::vector<ImageDrawSpec> m_images;
 215         std::vector<ImageDrawSpec> m_itemimages;
 216         std::vector<FieldSpec> m_fields;
 217
 218         ItemSpec *m_selected_item;
 219         u32 m_selected_amount;
 220         bool m_selected_dragging;
 221
 222         // WARNING: BLACK MAGIC
 223         // Used to guess and keep up with some special things the server can do.
 224         // If name is "", no guess exists.
 225         ItemStack m_selected_content_guess;
 226         InventoryLocation m_selected_content_guess_inventory;
 227
 228         v2s32 m_pointer;
 229         gui::IGUIStaticText *m_tooltip_element;
 230 };
 231
 232 #endif
 233