68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
// FbRootWindow.cc
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// Copyright (c) 2003 Henrik Kinnunen (fluxgen<at>users.sourceforge.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id$
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#include "FbRootWindow.hh"
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#include "App.hh"
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#include <X11/Xutil.h>
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FbRootWindow::FbRootWindow(int screen_num):
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FbTk::FbWindow(RootWindow(FbTk::App::instance()->display(), screen_num)),
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m_visual(0),
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m_colormap(0) {
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Display *disp = FbTk::App::instance()->display();
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// search for a TrueColor Visual... if we can't find one... we will use the
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// default visual for the screen
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XVisualInfo vinfo_template, *vinfo_return;
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int vinfo_nitems;
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vinfo_template.screen = screen_num;
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vinfo_template.c_class = TrueColor;
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if ((vinfo_return = XGetVisualInfo(disp,
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VisualScreenMask | VisualClassMask,
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&vinfo_template, &vinfo_nitems)) &&
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vinfo_nitems > 0) {
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for (int i = 0; i < vinfo_nitems; i++) {
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// We can't handle 32-bit visuals just yet (Composite ARGB)
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if (vinfo_return[i].depth != 32 && DefaultDepth(disp, screen_num) < vinfo_return[i].depth)
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m_visual = vinfo_return[i].visual;
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}
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XFree(vinfo_return);
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}
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if (m_visual) {
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m_colormap = XCreateColormap(disp, window(),
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m_visual, AllocNone);
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} else {
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m_visual = DefaultVisual(disp, screen_num);
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m_colormap = DefaultColormap(disp, screen_num);
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}
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}
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void FbRootWindow::updateGeometry() {
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FbTk::FbWindow::updateGeometry();
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}
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