kwin/killwindow.cpp
Luboš Luňák e1406c3e42 Utility function for XGrabKeyboard().
svn path=/branches/work/kwin_composite/; revision=654227
2007-04-15 14:39:10 +00:00

110 lines
3.3 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
//#ifndef QT_CLEAN_NAMESPACE
//#define QT_CLEAN_NAMESPACE
//#endif
#include "killwindow.h"
#include <QCursor>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/keysymdef.h>
#include <X11/cursorfont.h>
#include <QX11Info>
namespace KWin
{
KillWindow::KillWindow( Workspace* ws )
: workspace( ws )
{
}
KillWindow::~KillWindow()
{
}
void KillWindow::start()
{
static Cursor kill_cursor = 0;
if (!kill_cursor)
kill_cursor = XCreateFontCursor(display(), XC_pirate);
if (XGrabPointer(display(), rootWindow(), False,
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask |
EnterWindowMask | LeaveWindowMask,
GrabModeAsync, GrabModeAsync, None,
kill_cursor, CurrentTime) == GrabSuccess)
{
grabXKeyboard();
XEvent ev;
int return_pressed = 0;
int escape_pressed = 0;
int button_released = 0;
grabXServer();
while (!return_pressed && !escape_pressed && !button_released)
{
XMaskEvent(display(), KeyPressMask | ButtonPressMask |
ButtonReleaseMask | PointerMotionMask, &ev);
if (ev.type == KeyPress)
{
int kc = XKeycodeToKeysym(display(), ev.xkey.keycode, 0);
int mx = 0;
int my = 0;
return_pressed = (kc == XK_Return) || (kc == XK_space);
escape_pressed = (kc == XK_Escape);
if (kc == XK_Left) mx = -10;
if (kc == XK_Right) mx = 10;
if (kc == XK_Up) my = -10;
if (kc == XK_Down) my = 10;
if (ev.xkey.state & ControlMask)
{
mx /= 10;
my /= 10;
}
QCursor::setPos(cursorPos()+QPoint(mx, my));
}
if (ev.type == ButtonRelease)
{
button_released = (ev.xbutton.button == Button1);
if ( ev.xbutton.button == Button3 )
{
escape_pressed = true;
break;
}
workspace->killWindowId(ev.xbutton.subwindow);
}
continue;
}
if (return_pressed)
{
Window root, child;
int dummy1, dummy2, dummy3, dummy4;
unsigned int dummy5;
if( XQueryPointer( display(), rootWindow(), &root, &child,
&dummy1, &dummy2, &dummy3, &dummy4, &dummy5 ) == true
&& child != None )
workspace->killWindowId( child );
}
ungrabXServer();
ungrabXKeyboard();
XUngrabPointer(display(), CurrentTime);
}
}
} // namespace