00001 /* 00002 libwftk - Worldforge Toolkit - a widget library 00003 Copyright (C) 2002 Malcolm Walker <malcolm@worldforge.org> 00004 Based on code copyright (C) 1999-2002 Karsten Laux 00005 00006 This library is free software; you can redistribute it and/or 00007 modify it under the terms of the GNU Lesser General Public 00008 License as published by the Free Software Foundation; either 00009 version 2.1 of the License, or (at your option) any later version. 00010 00011 This library is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 Lesser General Public License for more details. 00015 00016 You should have received a copy of the GNU Lesser General Public 00017 License along with this library; if not, write to the 00018 Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00019 Boston, MA 02111-1307, SA. 00020 */ 00021 00022 #ifndef _PUSHBUTTON_H 00023 #define _PUSHBUTTON_H 00024 00025 #include <wftk/button.h> 00026 00027 namespace wftk { 00028 00033 class PushButton : public Button 00034 { 00035 //OBJECT 00036 00037 public: 00039 PushButton(); 00045 explicit PushButton(const std::string& text, 00046 const Font &font=Font::registry.find("button_font")); 00050 virtual ~PushButton(); 00056 void setUpPic(Surface::Resource* bm); 00062 void setUpPic(const Surface& surf); 00067 void setUpPic(const std::string& name); 00073 void setDownPic(Surface::Resource* bm); 00079 void setDownPic(const Surface& surf); 00084 void setDownPic(const std::string& name); 00085 00086 protected: 00088 virtual void draw(Surface&, const Point&, const Region&); 00089 private: 00091 Surface::Resource* upPic_; 00093 Surface::Resource* downPic_; 00095 Color light_, dark_; 00097 void handlePressed() {if(upPic_ || downPic_) setBackground(downPic_, false);} 00099 void handleReleased() {if(upPic_ || downPic_) setBackground(upPic_, false);} 00101 bool noBackground() const {return !(isPressed() ? upPic_ : downPic_);} 00103 bool anyBackground() const {return upPic_ || downPic_;} 00104 00105 }; 00106 00107 } // namespace wftk 00108 00109 #endif // _PUSHBUTTON_H
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