// 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 | EnterWindowMask | LeaveWindowMask | 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 | EnterWindowMask | LeaveWindowMask), 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::enterNotifyEvent(XCrossingEvent &ce){ } void Button::leaveNotifyEvent(XCrossingEvent &ce){ } 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