// Shape.cc // Copyright (c) 2003 - 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 "Shape.hh" #include "FbTk/FbWindow.hh" #include "FbTk/App.hh" #include "FbTk/GContext.hh" #include "FbTk/FbPixmap.hh" #ifdef HAVE_CSTRING #include <cstring> #else #include <string.h> #endif #include <X11/Xutil.h> #ifdef HAVE_CONFIG_H #include "config.h" #endif // HAVE_CONFIG_H #ifdef SHAPE #include <X11/extensions/shape.h> #endif // SHAPE #include <iostream> #include <algorithm> using namespace std; namespace { FbTk::FbPixmap *createShape(const FbTk::FbWindow &win, int place) { if (win.window() == 0 || place == 0 || win.width() < 3 || win.height() < 3) return 0; static char left_bits[] = { 0xc0, 0xf8, 0xfc, 0xfe, 0xfe, 0xfe, 0xff, 0xff }; static char right_bits[] = { 0x03, 0x1f, 0x3f, 0x7f, 0x7f, 0x7f, 0xff, 0xff}; static char bottom_left_bits[] = { 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfc, 0xf8, 0xc0 }; static char bottom_right_bits[] = { 0xff, 0xff, 0x7f, 0x7f, 0x7f, 0x3f, 0x1f, 0x03 }; const int borderw = win.borderWidth(); const int win_width = win.width() + 2*borderw; const int win_height = win.height() + 2*borderw; const int pixmap_width = min(8, win_width); const int pixmap_height = min(8, win_height); Display *disp = FbTk::App::instance()->display(); const size_t data_size = win_width * win_height; // we use calloc here so we get consistent C alloc/free with XDestroyImage // and no warnings in valgrind :) char *data = (char *)calloc(data_size, sizeof (char)); if (data == 0) return 0; memset(data, 0xFF, data_size); XImage *ximage = XCreateImage(disp, DefaultVisual(disp, win.screenNumber()), 1, XYPixmap, 0, data, win_width, win_height, 32, 0); if (ximage == 0) return 0; XInitImage(ximage); // shape corners if (place & Shape::TOPLEFT) { for (int y=0; y<pixmap_height; y++) { for (int x=0; x<pixmap_width; x++) { XPutPixel(ximage, x, y, (left_bits[y] & (0x01 << x)) ? 1 : 0); } } } if (place & Shape::TOPRIGHT) { for (int y=0; y<pixmap_height; y++) { for (int x=0; x<pixmap_width; x++) { XPutPixel(ximage, x + win_width - pixmap_width, y, (right_bits[y] & (0x01 << x)) ? 1 : 0); } } } if (place & Shape::BOTTOMLEFT) { for (int y=0; y<pixmap_height; y++) { for (int x=0; x<pixmap_width; x++) { XPutPixel(ximage, x, y + win_height - pixmap_height, (bottom_left_bits[y] & (0x01 << x)) ? 1 : 0); } } } if (place & Shape::BOTTOMRIGHT) { for (int y=0; y<pixmap_height; y++) { for (int x=0; x<pixmap_width; x++) { XPutPixel(ximage, x + win_width - pixmap_width, y + win_height - pixmap_height, (bottom_right_bits[y] & (0x01 << x)) ? 1 : 0); } } } FbTk::FbPixmap *pm = new FbTk::FbPixmap(win, win_width, win_height, 1); FbTk::GContext gc(*pm); XPutImage(disp, pm->drawable(), gc.gc(), ximage, 0, 0, 0, 0, win_width, win_height); XDestroyImage(ximage); return pm; } } // end anonymous namespace Shape::Shape(FbTk::FbWindow &win, int shapeplaces): m_win(&win), m_shapeplaces(shapeplaces) { m_shape.reset(createShape(win, shapeplaces)); } Shape::~Shape() { #ifdef SHAPE if (m_win != 0 && m_win->window()) { // Reset shape of window XShapeCombineMask(FbTk::App::instance()->display(), m_win->window(), ShapeBounding, 0, 0, 0, ShapeSet); } #endif // SHAPE } void Shape::setPlaces(int shapeplaces) { m_shapeplaces = shapeplaces; } void Shape::update() { if (m_win == 0 || m_win->window() == 0) return; #ifdef SHAPE if (m_shape.get() == 0 || m_win->width() != width() || m_win->height() != height()) { m_shape.reset(createShape(*m_win, m_shapeplaces)); } // the m_shape can be = 0 which will just reset the shape mask // and make the window normal XShapeCombineMask(FbTk::App::instance()->display(), m_win->window(), ShapeBounding, -m_win->borderWidth(), -m_win->borderWidth(), m_shape.get() ? m_shape->drawable() : 0, ShapeSet); #endif // SHAPE } void Shape::setWindow(FbTk::FbWindow &win) { m_win = &win; update(); } void Shape::setShapeNotify(const FbTk::FbWindow &win) { #ifdef SHAPE XShapeSelectInput(FbTk::App::instance()->display(), win.window(), ShapeNotifyMask); #endif // SHAPE } bool Shape::isShaped(const FbTk::FbWindow &win) { int shaped = 0; #ifdef SHAPE int not_used; unsigned int not_used2; XShapeQueryExtents(FbTk::App::instance()->display(), win.window(), &shaped, /// bShaped ¬_used, ¬_used, // xbs, ybs ¬_used2, ¬_used2, // wbs, hbs ¬_used, // cShaped ¬_used, ¬_used, // xcs, ycs ¬_used2, ¬_used2); // wcs, hcs #endif // SHAPE return (shaped != 0 ? true : false); } unsigned int Shape::width() const { return m_shape.get() ? m_shape->width() : 0; } unsigned int Shape::height() const { return m_shape.get() ? m_shape->height() : 0; }