dropdown_type.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef WIDGETS_DROPDOWN_TYPE_H
00013 #define WIDGETS_DROPDOWN_TYPE_H
00014 
00015 #include "../window_type.h"
00016 #include <list>
00017 
00022 class DropDownListItem {
00023 public:
00024   int result;  
00025   bool masked; 
00026 
00027   DropDownListItem(int result, bool masked) : result(result), masked(masked) {}
00028   virtual ~DropDownListItem() {}
00029 
00030   virtual bool Selectable() const { return false; }
00031   virtual uint Height(uint width) const { return FONT_HEIGHT_NORMAL; }
00032   virtual uint Width() const { return 0; }
00033   virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
00034 };
00035 
00039 class DropDownListStringItem : public DropDownListItem {
00040 public:
00041   StringID string; 
00042 
00043   DropDownListStringItem(StringID string, int result, bool masked) : DropDownListItem(result, masked), string(string) {}
00044   virtual ~DropDownListStringItem() {}
00045 
00046   virtual bool Selectable() const { return true; }
00047   virtual uint Width() const;
00048   virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
00049   virtual StringID String() const { return this->string; }
00050 };
00051 
00055 class DropDownListParamStringItem : public DropDownListStringItem {
00056 public:
00057   uint64 decode_params[10]; 
00058 
00059   DropDownListParamStringItem(StringID string, int result, bool masked) : DropDownListStringItem(string, result, masked) {}
00060   virtual ~DropDownListParamStringItem() {}
00061 
00062   virtual StringID String() const;
00063   virtual void SetParam(uint index, uint64 value) { decode_params[index] = value; }
00064 };
00065 
00069 class DropDownListCharStringItem : public DropDownListItem {
00070 public:
00071   const char *string;
00072 
00073   DropDownListCharStringItem(const char *string, int result, bool masked) : DropDownListItem(result, masked), string(string) {}
00074   virtual ~DropDownListCharStringItem() {}
00075 
00076   virtual bool Selectable() const { return true; }
00077   virtual uint Width() const;
00078   virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
00079 };
00080 
00084 typedef std::list<DropDownListItem *> DropDownList;
00085 
00099 void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0, bool auto_width = false, bool instant_close = false);
00100 
00101 #endif /* WIDGETS_DROPDOWN_TYPE_H */

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