pushbutton.h

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00001 /*
00002   libwt - Vassilis Virvilis Toolkit - a widget library
00003   Copyright (C) 2006 Vassilis Virvilis <vasvir2@fastmail.fm>
00004  
00005   This library is free software; you can redistribute it and/or
00006   modify it under the terms of the GNU Lesser General Public
00007   License as published by the Free Software Foundation; either
00008   version 2.1 of the License, or (at your option) any later version.
00009   
00010   This library is distributed in the hope that it will be useful,
00011   but WITHOUT ANY WARRANTY; without even the implied warranty of
00012   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013   Lesser General Public License for more details.
00014   
00015   You should have received a copy of the GNU Lesser General Public
00016   License along with this library; if not, write to the
00017   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018   Boston, MA  02111-1307, SA.
00019 */
00020 
00021 #ifndef WT_PUSHBUTTON_H
00022 #define WT_PUSHBUTTON_H
00023 
00024 #include <wt/button.h>
00025 
00026 namespace Wt {
00027 
00028 /** PushButton Class.
00029     In contrast to Button, this widget changes its appereance
00030     when being pressed.
00031 */
00032 class PushButton : public Button {
00033 public:
00034     PushButton(Widget *parent = 0, const std::string &name = "PushButton::anon");
00035 
00036     using Button::setPixmap;
00037     void setPixmap(const Pixmap& pixmap_up, const Pixmap& pixmap_down);
00038     WVar<bool> down;
00039 
00040 protected:
00041     virtual void drawButton(Painter *p);
00042     virtual void drawButtonLabel(Painter *p);
00043 
00044     virtual void buttonPressEvent();
00045     virtual void buttonCancelEvent();
00046     virtual void buttonReleaseEvent();
00047     virtual void buttonClickEvent();
00048 
00049     virtual void setButtonSize();
00050 
00051 private:
00052     void init();
00053     void onButtonStatusChange();
00054 
00055     Pixmap pixmap_up_;
00056     Pixmap pixmap_down_;
00057 };
00058 
00059 } // namespace Wt
00060 
00061 #endif // WT_PUSHBUTTON_H

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