.:F L U X B O X:. - Developer Zone

00001 // FbRootWindow.cc
00002 // Copyright (c) 2003 Henrik Kinnunen (fluxgen<at>users.sourceforge.net)
00003 //
00004 // Permission is hereby granted, free of charge, to any person obtaining a
00005 // copy of this software and associated documentation files (the "Software"),
00006 // to deal in the Software without restriction, including without limitation
00007 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008 // and/or sell copies of the Software, and to permit persons to whom the
00009 // Software is furnished to do so, subject to the following conditions:
00010 //
00011 // The above copyright notice and this permission notice shall be included in
00012 // all copies or substantial portions of the Software.
00013 //
00014 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00017 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00019 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00020 // DEALINGS IN THE SOFTWARE.
00021 
00022 // $Id: FbRootWindow.cc,v 1.2 2003/05/12 04:29:50 fluxgen Exp $
00023 
00024 #include "FbRootWindow.hh"
00025 #include "App.hh"
00026 
00027 #include <X11/Xutil.h>
00028 
00029 FbRootWindow::FbRootWindow(int screen_num):
00030     FbTk::FbWindow(RootWindow(FbTk::App::instance()->display(), screen_num)),
00031     m_visual(0),
00032     m_colormap(0) {
00033 
00034     Display *disp = FbTk::App::instance()->display();
00035 
00036     // search for a TrueColor Visual... if we can't find one... we will use the
00037     // default visual for the screen
00038     XVisualInfo vinfo_template, *vinfo_return;
00039     int vinfo_nitems;
00040 
00041     vinfo_template.screen = screen_num;
00042     vinfo_template.c_class = TrueColor;
00043     if ((vinfo_return = XGetVisualInfo(disp,
00044                                        VisualScreenMask | VisualClassMask,
00045                                        &vinfo_template, &vinfo_nitems)) &&
00046         vinfo_nitems > 0) {
00047 
00048         for (int i = 0; i < vinfo_nitems; i++) {
00049             if (DefaultDepth(disp, screen_num) < vinfo_return[i].depth)
00050                 m_visual = vinfo_return[i].visual;
00051         }
00052 
00053         XFree(vinfo_return);
00054     }
00055 
00056     if (m_visual) {
00057         m_colormap = XCreateColormap(disp, window(),
00058                                      m_visual, AllocNone);
00059     } else {
00060         m_visual = DefaultVisual(disp, screen_num);
00061         m_colormap = DefaultColormap(disp, screen_num);
00062     }
00063 }
00064 
00065 void FbRootWindow::updateGeometry() {
00066     FbWindow::updateGeometry();
00067 }
FbRootWindow.cc

Fluxbox CVS-Jan-2003
