1 files changed, 219 insertions, 0 deletions

diff --git a/src/Shape.cc b/src/Shape.cc
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+++ b/src/Shape.cc
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+// Shape.cc
+// Copyright (c) 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
+// 
+// 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: Shape.cc,v 1.9 2004/01/11 15:02:11 fluxgen Exp $
+
+#include "Shape.hh"
+
+#include "FbTk/FbWindow.hh"
+#include "FbTk/App.hh"
+#include "FbTk/GContext.hh"
+#include "FbTk/FbPixmap.hh"
+
+#include <cstring>
+
+#include <X11/Xutil.h>
+#ifdef SHAPE
+#include <X11/extensions/shape.h>
+#endif // SHAPE
+
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+namespace {
+
+FbTk::FbPixmap *createShape(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));
+    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
+                       &not_used, &not_used,  // xbs, ybs
+                       &not_used2, &not_used2, // wbs, hbs
+                       &not_used, // cShaped
+                       &not_used, &not_used, // xcs, ycs
+                       &not_used2, &not_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;
+}