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 "../gfx_func.h"
00017 #include "table/strings.h"
00018 #include <list>
00019 
00024 class DropDownListItem {
00025 public:
00026   int result;  
00027   bool masked; 
00028 
00029   DropDownListItem(int result, bool masked) : result(result), masked(masked) {}
00030   virtual ~DropDownListItem() {}
00031 
00032   virtual bool Selectable() const { return false; }
00033   virtual uint Height(uint width) const { return FONT_HEIGHT_NORMAL; }
00034   virtual uint Width() const { return 0; }
00035   virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
00036 };
00037 
00041 class DropDownListStringItem : public DropDownListItem {
00042 public:
00043   StringID string; 
00044 
00045   DropDownListStringItem(StringID string, int result, bool masked) : DropDownListItem(result, masked), string(string) {}
00046   virtual ~DropDownListStringItem() {}
00047 
00048   virtual bool Selectable() const { return true; }
00049   virtual uint Width() const;
00050   virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
00051   virtual StringID String() const { return this->string; }
00052 
00053   static bool NatSortFunc(const DropDownListItem *first, const DropDownListItem *second);
00054 };
00055 
00059 class DropDownListParamStringItem : public DropDownListStringItem {
00060 public:
00061   uint64 decode_params[10]; 
00062 
00063   DropDownListParamStringItem(StringID string, int result, bool masked) : DropDownListStringItem(string, result, masked) {}
00064   virtual ~DropDownListParamStringItem() {}
00065 
00066   virtual StringID String() const;
00067   virtual void SetParam(uint index, uint64 value) { decode_params[index] = value; }
00068 };
00069 
00073 class DropDownListCharStringItem : public DropDownListStringItem {
00074 public:
00075   const char *raw_string;
00076 
00077   DropDownListCharStringItem(const char *raw_string, int result, bool masked) : DropDownListStringItem(STR_JUST_RAW_STRING, result, masked), raw_string(raw_string) {}
00078   virtual ~DropDownListCharStringItem() {}
00079 
00080   virtual StringID String() const;
00081 };
00082 
00086 typedef std::list<DropDownListItem *> DropDownList;
00087 
00101 void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0, bool auto_width = false, bool instant_close = false);
00102 
00103 #endif /* WIDGETS_DROPDOWN_TYPE_H */

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