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popup.h

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef GUI_WIDGETS_POPUP_H
00024 #define GUI_WIDGETS_POPUP_H
00025 
00026 #include "gui/widget.h"
00027 #include "common/str.h"
00028 #include "common/array.h"
00029 
00030 namespace GUI {
00031 
00032 enum {
00033     kPopUpItemSelectedCmd   = 'POPs'
00034 };
00035 
00043 class PopUpWidget : public Widget, public CommandSender {
00044     friend class PopUpDialog;
00045     typedef Common::String String;
00046 
00047     struct Entry {
00048         String  name;
00049         uint32  tag;
00050     };
00051     typedef Common::Array<Entry> EntryList;
00052 protected:
00053     EntryList       _entries;
00054     int             _selectedItem;
00055 
00056     int             _leftPadding;
00057     int             _rightPadding;
00058 
00059 public:
00060     PopUpWidget(GuiObject *boss, const String &name, const char *tooltip = 0);
00061     PopUpWidget(GuiObject *boss, int x, int y, int w, int h, const char *tooltip = 0);
00062 
00063     void handleMouseDown(int x, int y, int button, int clickCount);
00064     void handleMouseWheel(int x, int y, int direction);
00065 
00066     void appendEntry(const String &entry, uint32 tag = (uint32)-1);
00067     void clearEntries();
00068     int numEntries() { return _entries.size(); }
00069 
00071     void setSelected(int item);
00072 
00074     void setSelectedTag(uint32 tag);
00075 
00076     int getSelected() const                     { return _selectedItem; }
00077     uint32 getSelectedTag() const               { return (_selectedItem >= 0) ? _entries[_selectedItem].tag : (uint32)-1; }
00078 //  const String& getSelectedString() const     { return (_selectedItem >= 0) ? _entries[_selectedItem].name : String::emptyString; }
00079 
00080     void handleMouseEntered(int button) { setFlags(WIDGET_HILITED); markAsDirty(); }
00081     void handleMouseLeft(int button)    { clearFlags(WIDGET_HILITED); markAsDirty(); }
00082 
00083     virtual void reflowLayout();
00084 protected:
00085     void drawWidget();
00086 };
00087 
00088 } // End of namespace GUI
00089 
00090 #endif


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