.:F L U X B O X:. - Developer Zone

00001 // Button.cc for FbTk - fluxbox toolkit
00002 // Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
00003 //
00004 // Permission is hereby granted, free of charge, to any person obtaining a
00005 // copy of this software and associated documentation files (the "Software"),
00006 // to deal in the Software without restriction, including without limitation
00007 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008 // and/or sell copies of the Software, and to permit persons to whom the
00009 // Software is furnished to do so, subject to the following conditions:
00010 //
00011 // The above copyright notice and this permission notice shall be included in
00012 // all copies or substantial portions of the Software.
00013 //
00014 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00017 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00019 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00020 // DEALINGS IN THE SOFTWARE.
00021 
00022 // $Id: Button.cc,v 1.17 2004/01/08 22:05:12 fluxgen Exp $
00023 
00024 #include "Button.hh"
00025 
00026 #include "Command.hh"
00027 #include "EventManager.hh"
00028 #include "App.hh"
00029 
00030 namespace FbTk {
00031 
00032 Button::Button(int screen_num, int x, int y,
00033                unsigned int width, unsigned int height):
00034     FbWindow(screen_num, x, y, width, height,
00035              ExposureMask | ButtonPressMask | ButtonReleaseMask),
00036     m_foreground_pm(0),
00037     m_background_pm(0),
00038     m_pressed_pm(0),
00039     m_pressed_color("black", screen_num),
00040     m_gc(DefaultGC(FbTk::App::instance()->display(), screen_num)),
00041     m_pressed(false) {
00042 
00043     // add this to eventmanager
00044     FbTk::EventManager::instance()->add(*this, *this); 
00045 }
00046 
00047 Button::Button(const FbWindow &parent, int x, int y, 
00048                unsigned int width, unsigned int height):
00049     FbWindow(parent, x, y, width, height,
00050              ExposureMask | ButtonPressMask | ButtonReleaseMask),
00051     m_foreground_pm(0),
00052     m_background_pm(0),
00053     m_pressed_pm(0),
00054     m_pressed_color("black", parent.screenNumber()),
00055     m_gc(DefaultGC(FbTk::App::instance()->display(), screenNumber())),
00056     m_pressed(false) {
00057     // add this to eventmanager
00058     FbTk::EventManager::instance()->add(*this, *this);
00059 }
00060 
00061 Button::~Button() {
00062 
00063 }
00064 
00065 void Button::setOnClick(RefCount<Command> &cmd, int button) {
00066     // we only handle buttons 1 to 5
00067     if (button > 5 || button == 0)
00068         return;
00069     //set on click command for the button
00070     m_onclick[button - 1] = cmd;
00071 }
00072 
00073 void Button::setPixmap(Pixmap pm) {
00074     m_foreground_pm = pm;
00075 }
00076 
00077 void Button::setPressedPixmap(Pixmap pm) {
00078     m_pressed_pm = pm;
00079 }
00080 
00081 void Button::setPressedColor(const FbTk::Color &color) {
00082     m_pressed_color = color;
00083 }
00084 
00085 void Button::setBackgroundColor(const Color &color) {
00086     m_background_pm = 0; // we're using background color now
00087     m_background_color = color;    
00088     FbTk::FbWindow::setBackgroundColor(color);
00089 }
00090 
00091 void Button::setBackgroundPixmap(Pixmap pm) {
00092     m_background_pm = pm;
00093     FbTk::FbWindow::setBackgroundPixmap(pm);
00094 }
00095 
00096 void Button::buttonPressEvent(XButtonEvent &event) {
00097     if (m_pressed_pm != 0)
00098         FbWindow::setBackgroundPixmap(m_pressed_pm);
00099     else if (m_pressed_color.isAllocated())
00100         FbWindow::setBackgroundColor(m_pressed_color);
00101         
00102     m_pressed = true;    
00103     clear();
00104     updateTransparent();
00105 }
00106 
00107 void Button::buttonReleaseEvent(XButtonEvent &event) {
00108     m_pressed = false;
00109     if (m_background_pm)
00110         setBackgroundPixmap(m_background_pm);
00111     else
00112         setBackgroundColor(m_background_color);
00113 
00114     clear(); // clear background
00115 
00116     if (m_foreground_pm) { // draw foreground pixmap
00117         Display *disp = App::instance()->display();
00118 
00119         if (m_gc == 0) // get default gc if we dont have one
00120             m_gc = DefaultGC(disp, screenNumber());
00121 
00122         XCopyArea(disp, m_foreground_pm, window(), m_gc, 0, 0, width(), height(), 0, 0);
00123     }
00124 
00125     updateTransparent();
00126 
00127     // finaly, execute command (this must be done last since this object might be deleted by the command)
00128     if (event.button > 0 && event.button <= 5 &&
00129         event.x > 0 && event.x < static_cast<signed>(width()) &&
00130         event.y > 0 && event.y < static_cast<signed>(height()) &&
00131         m_onclick[event.button -1].get() != 0)
00132         m_onclick[event.button - 1]->execute();
00133 
00134 
00135 }
00136 
00137 void Button::exposeEvent(XExposeEvent &event) {
00138     if (m_background_pm)
00139         setBackgroundPixmap(m_background_pm);
00140     else
00141         setBackgroundColor(m_background_color);
00142 
00143     clearArea(event.x, event.y, event.width, event.height);
00144     updateTransparent(event.x, event.y, event.width, event.height);
00145 }
00146 
00147 }; // end namespace FbTk
Button.cc

Fluxbox CVS-Jan-2003
