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nux  3.0.0
RadioButton.h
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00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef RADIO_BUTTON_H
00024 #define RADIO_BUTTON_H
00025 
00026 #include "AbstractCheckedButton.h"
00027 
00028 namespace nux
00029 {
00030   class HLayout;
00031   class InputArea;
00032   class StaticText;
00033   class RadioButtonGroup;
00034 
00036 
00041   class RadioButton: public AbstractCheckedButton
00042   {
00043     NUX_DECLARE_OBJECT_TYPE(RadioButton, AbstractCheckedButton);
00044   public:
00045     RadioButton(const std::string& str, bool state = false, NUX_FILE_LINE_PROTO);
00046     virtual ~RadioButton();
00047 
00049     sigc::signal<void, RadioButton*> click;
00050 
00052 
00056     sigc::signal<void, RadioButton*> state_change;
00057 
00059 
00062     virtual void Activate();
00063 
00065 
00068     virtual void Deactivate();
00069 
00070   protected:
00071     virtual void Draw(GraphicsEngine& graphics_engine, bool force_draw);
00072     virtual void RecvClick(int x, int y, unsigned long button_flags, unsigned long key_flags);
00073 
00074     bool block_changed_signal_;
00075 
00076     void SetRadioButtonGroup(RadioButtonGroup* radio_button_group);
00077     ObjectWeakPtr<RadioButtonGroup> GetRadioButtonGroup();
00078 
00080     void SetStatePrivate(bool state);
00082     void SetStatePrivate(bool state, bool emit_signal);
00083     ObjectWeakPtr<RadioButtonGroup> radio_button_group_;
00084     int radio_group_index_;
00085 
00086   private:
00088 
00091     virtual void SetMinimumHeight(){};
00092 
00094 
00097     virtual void SetMaximumHeight(){};
00098 
00099     friend class RadioButtonGroup;
00100   };
00101 }
00102 
00103 #endif // RADIO_BUTTON_H