// ArrowButton.cc for Fluxbox Window Manager // Copyright (c) 2002 - 2005 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. // $Id$ #include "ArrowButton.hh" #include "ButtonTheme.hh" ArrowButton::ArrowButton(ArrowButton::Type arrow_type, const FbTk::FbWindow &parent, int x, int y, unsigned int width, unsigned int height): FbTk::Button(parent, x, y, width, height), m_arrow_type(arrow_type), m_mouse_handler(0), m_arrowscale(300) { setEventMask(ExposureMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | LeaveWindowMask); } ArrowButton::ArrowButton(ArrowButton::Type arrow_type, int screen_num, int x, int y, unsigned int width, unsigned int height): FbTk::Button(screen_num, x, y, width, height), m_arrow_type(arrow_type), m_mouse_handler(0), m_arrowscale(300) { setEventMask(ExposureMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | LeaveWindowMask); } void ArrowButton::clear() { FbTk::Button::clear(); updateTransparent(); drawArrow(); } void ArrowButton::exposeEvent(XExposeEvent &event) { FbTk::Button::exposeEvent(event); updateTransparent(event.x, event.y, event.width, event.height); drawArrow(); } void ArrowButton::buttonPressEvent(XButtonEvent &event) { FbTk::Button::buttonPressEvent(event); drawArrow(); } void ArrowButton::buttonReleaseEvent(XButtonEvent &event) { FbTk::Button::buttonReleaseEvent(event); drawArrow(); } void ArrowButton::enterNotifyEvent(XCrossingEvent &ce) { if (m_mouse_handler) m_mouse_handler->enterNotifyEvent(ce); } void ArrowButton::leaveNotifyEvent(XCrossingEvent &ce) { if (m_mouse_handler) m_mouse_handler->leaveNotifyEvent(ce); } /** redraws the arrow button */ void ArrowButton::drawArrow() { XPoint pts[3]; unsigned int w = width(); unsigned int h = height(); int arrowscale_n = m_arrowscale; int arrowscale_d = 100; unsigned int ax = arrowscale_d * w / arrowscale_n; unsigned int ay = arrowscale_d * h / arrowscale_n; // if these aren't an even number, left and right arrows end up different if (( ax % 2 ) == 1) ax++; if (( ay % 2 ) == 1) ay++; switch (m_arrow_type) { case LEFT: // start at the tip pts[0].x = (w / 2) - (ax / 2); pts[0].y = h / 2; pts[1].x = ax; pts[1].y = -ay / 2; pts[2].x = 0; pts[2].y = ay; break; case RIGHT: pts[0].x = (w / 2) + (ax / 2); pts[0].y = h / 2; pts[1].x = - ax; pts[1].y = ay / 2; pts[2].x = 0; pts[2].y = - ay; break; case UP: pts[0].x = (w / 2); pts[0].y = (h / 2) - (ay / 2); pts[1].x = ax / 2; pts[1].y = ay; pts[2].x = - ax; pts[2].y = 0; break; case DOWN: pts[0].x = (w / 2); pts[0].y = (h / 2) + (ay / 2); pts[1].x = ax / 2; pts[1].y = - ay; pts[2].x = - ax; pts[2].y = 0; break; } if (gc() != 0) { fillPolygon(gc(), pts, 3, Convex, CoordModePrevious); } } void ArrowButton::updateTheme(const FbTk::Theme &theme) { // it must be a button theme const ButtonTheme &btheme = static_cast<const ButtonTheme &>(theme); m_arrowscale = btheme.scale(); if (m_arrowscale == 0) m_arrowscale = 300; // default is 0 => 300 else if (m_arrowscale < 100) m_arrowscale = 100; // otherwise clamp else if (m_arrowscale > 100000) m_arrowscale = 100000; // clamp below overflow when *100 }