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// Button.cc for FbTk - fluxbox toolkit
// Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "Button.hh"
#include "Command.hh"
#include "EventManager.hh"
#include "App.hh"
namespace FbTk {
Button::Button(int screen_num, int x, int y,
unsigned int width, unsigned int height):
FbWindow(screen_num, x, y, width, height,
ExposureMask | ButtonPressMask | ButtonReleaseMask),
m_background_pm(0),
m_pressed_pm(0),
m_pressed_color(),
m_gc(DefaultGC(FbTk::App::instance()->display(), screen_num)),
m_pressed(false),
mark_if_deleted(0) {
// add this to eventmanager
FbTk::EventManager::instance()->add(*this, *this);
}
Button::Button(const FbWindow &parent, int x, int y,
unsigned int width, unsigned int height):
FbWindow(parent, x, y, width, height,
ExposureMask | ButtonPressMask | ButtonReleaseMask),
m_background_pm(0),
m_pressed_pm(0),
m_pressed_color(),
m_gc(DefaultGC(FbTk::App::instance()->display(), screenNumber())),
m_pressed(false),
mark_if_deleted(0) {
// add this to eventmanager
FbTk::EventManager::instance()->add(*this, *this);
}
Button::~Button() {
if (mark_if_deleted) {
*mark_if_deleted = true;
}
}
void Button::setOnClick(RefCount<Command<void> > &cmd, int button) {
// we only handle buttons 1 to 5
if (button > 5 || button == 0)
return;
//set on click command for the button
m_onclick[button - 1] = cmd;
}
void Button::setPressedPixmap(Pixmap pm) {
m_pressed_pm = pm;
}
void Button::setPressedColor(const FbTk::Color &color) {
m_pressed_pm = None;
m_pressed_color = color;
}
void Button::setBackgroundColor(const Color &color) {
m_background_pm = 0; // we're using background color now
m_background_color = color;
FbTk::FbWindow::setBackgroundColor(color);
}
void Button::setBackgroundPixmap(Pixmap pm) {
m_background_pm = pm;
FbTk::FbWindow::setBackgroundPixmap(pm);
}
void Button::buttonPressEvent(XButtonEvent &event) {
bool update = false;
if (m_pressed_pm != 0) {
update = true;
FbTk::FbWindow::setBackgroundPixmap(m_pressed_pm);
} else if (m_pressed_color.isAllocated()) {
update = true;
FbTk::FbWindow::setBackgroundColor(m_pressed_color);
}
m_pressed = true;
if (update) {
clear();
}
}
void Button::buttonReleaseEvent(XButtonEvent &event) {
if (!m_pressed) // we don't want to pick up clicks from other widgets
return;
m_pressed = false;
bool update = false;
bool been_deleted = false;
mark_if_deleted = &been_deleted;
// This command may result in this object being deleted
// hence the mark_if_deleted mechanism so that we can
// update our state after the command
if (event.button > 0 && event.button <= 5 &&
// I'm not quite sure why we get events with e.g. y == height, but we do
event.x >= 0 && event.x <= static_cast<signed>(width()) &&
event.y >= 0 && event.y <= static_cast<signed>(height()) &&
m_onclick[event.button -1].get() != 0)
m_onclick[event.button - 1]->execute();
if (!been_deleted) {
mark_if_deleted = 0;
if (m_background_pm) {
if (m_pressed_pm != 0 || m_pressed_color.isAllocated()) {
update = true;
setBackgroundPixmap(m_background_pm);
}
} else if (m_pressed_pm != 0 || m_pressed_color.isAllocated()) {
update = true;
setBackgroundColor(m_background_color);
}
if (update)
clear(); // clear background
}
}
void Button::exposeEvent(XExposeEvent &event) {
clearArea(event.x, event.y, event.width, event.height);
}
} // end namespace FbTk
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