workspace/kcontrol/input/main.cpp

   1 /*
   2  * main.cpp
   3  *
   4  * Copyright (c) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
   5  *
   6  * Requires the Qt widget libraries, available at no cost at
   7  * http://www.troll.no/
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22  */
  23
  24 #include <config-X11.h>
  25
  26 #include <klocale.h>
  27 #include <kglobal.h>
  28 #include <kconfig.h>
  29 #include <QFile>
  30
  31 #include "mouse.h"
  32 #include <QX11Info>
  33
  34 #include <ktoolinvocation.h>
  35 #include <klauncher_iface.h>
  36
  37 #include <X11/Xlib.h>
  38 #ifdef HAVE_XCURSOR
  39 #  include <X11/Xcursor/Xcursor.h>
  40 #endif
  41
  42 extern "C"
  43 {
  44   KDE_EXPORT void kcminit_mouse()
  45   {
  46       KConfig *config = new KConfig("kcminputrc", KConfig::NoGlobals );
  47     MouseSettings settings;
  48     settings.load(config);
  49     settings.apply(true); // force
  50
  51 #ifdef HAVE_XCURSOR
  52     KConfigGroup group = config->group("Mouse");
  53     QString theme = group.readEntry("cursorTheme", QString());
  54     QString size = group.readEntry("cursorSize", QString());
  55
  56     // Note: If you update this code, update kapplymousetheme as well.
  57
  58     // use a default value for theme only if it's not configured at all, not even in X resources
  59     if( theme.isEmpty()
  60         && QByteArray( XGetDefault( QX11Info::display(), "Xcursor", "theme" )).isEmpty()
  61         && QByteArray( XcursorGetTheme( QX11Info::display())).isEmpty())
  62     {
  63         theme = "default";
  64     }
  65
  66      // Apply the KDE cursor theme to ourselves
  67     if( !theme.isEmpty())
  68         XcursorSetTheme(QX11Info::display(), QFile::encodeName(theme));
  69
  70     if (!size.isEmpty())
  71         XcursorSetDefaultSize(QX11Info::display(), size.toUInt());
  72
  73     // Load the default cursor from the theme and apply it to the root window.
  74     Cursor handle = XcursorLibraryLoadCursor(QX11Info::display(), "left_ptr");
  75     XDefineCursor(QX11Info::display(), QX11Info::appRootWindow(), handle);
  76     XFreeCursor(QX11Info::display(), handle); // Don't leak the cursor
  77
  78     // Tell klauncher to set the XCURSOR_THEME and XCURSOR_SIZE environment
  79     // variables when launching applications.
  80     if(!theme.isEmpty())
  81        KToolInvocation::klauncher()->setLaunchEnv("XCURSOR_THEME", theme);
  82     if( !size.isEmpty())
  83        KToolInvocation::klauncher()->setLaunchEnv("XCURSOR_SIZE", size);
  84
  85 #endif
  86
  87     delete config;
  88   }
  89 }
  90
  91