127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
|
/*
|
||
|
|
* Copyright 2007 by Dan Meltzer <hydrogen@notyetimplemented.com>
|
||
|
|
* Copyright (C) 2008 by Alexis Ménard <darktears31@gmail.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Library General Public License as
|
||
|
|
* published by the Free Software Foundation; either version 2, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Library General Public
|
||
|
|
* License along with this program; if not, write to the
|
||
|
|
* Free Software Foundation, Inc.,
|
||
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "windowpreview_p.h"
|
||
|
|
|
||
|
|
#include <KWindowSystem>
|
||
|
|
|
||
|
|
#ifdef Q_WS_X11
|
||
|
|
#include <QX11Info>
|
||
|
|
|
||
|
|
#include <X11/Xlib.h>
|
||
|
|
#include <fixx11h.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
namespace Plasma {
|
||
|
|
|
||
|
|
bool WindowPreview::previewsAvailable() // static
|
||
|
|
{
|
||
|
|
if (!KWindowSystem::compositingActive()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
#ifdef Q_WS_X11
|
||
|
|
// hackish way to find out if KWin has the effect enabled,
|
||
|
|
// TODO provide proper support
|
||
|
|
Display* dpy = QX11Info::display();
|
||
|
|
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_PREVIEW", False);
|
||
|
|
int cnt;
|
||
|
|
Atom* list = XListProperties(dpy, DefaultRootWindow( dpy ), &cnt);
|
||
|
|
if (list != NULL) {
|
||
|
|
bool ret = ( qFind(list, list + cnt, atom) != list + cnt );
|
||
|
|
XFree(list);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
WindowPreview::WindowPreview(QWidget *parent)
|
||
|
|
: QWidget(parent)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void WindowPreview::setWindowId(WId w)
|
||
|
|
{
|
||
|
|
if (!previewsAvailable()) {
|
||
|
|
id = 0;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
id = w;
|
||
|
|
readWindowSize();
|
||
|
|
}
|
||
|
|
|
||
|
|
QSize WindowPreview::sizeHint() const
|
||
|
|
{
|
||
|
|
if (id == 0) {
|
||
|
|
return QSize();
|
||
|
|
}
|
||
|
|
if (!windowSize.isValid()) {
|
||
|
|
readWindowSize();
|
||
|
|
}
|
||
|
|
QSize s = windowSize;
|
||
|
|
s.scale(200, 150, Qt::KeepAspectRatio);
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
void WindowPreview::readWindowSize() const
|
||
|
|
{
|
||
|
|
#ifdef Q_WS_X11
|
||
|
|
Window r;
|
||
|
|
int x, y;
|
||
|
|
unsigned int w, h, b, d;
|
||
|
|
if (XGetGeometry(QX11Info::display(), id, &r, &x, &y, &w, &h, &b, &d)) {
|
||
|
|
windowSize = QSize( w, h );
|
||
|
|
} else {
|
||
|
|
windowSize = QSize();
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
windowSize = QSize();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void WindowPreview::setInfo()
|
||
|
|
{
|
||
|
|
#ifdef Q_WS_X11
|
||
|
|
Display *dpy = QX11Info::display();
|
||
|
|
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_PREVIEW", False);
|
||
|
|
if (id == 0) {
|
||
|
|
XDeleteProperty(dpy, parentWidget()->winId(), atom);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!windowSize.isValid()) {
|
||
|
|
readWindowSize();
|
||
|
|
}
|
||
|
|
if (!windowSize.isValid()) {
|
||
|
|
XDeleteProperty(dpy, parentWidget()->winId(), atom);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
Q_ASSERT( parentWidget()->isWindow()); // parent must be toplevel
|
||
|
|
long data[] = { 1, 5, id, x(), y(), width(), height() };
|
||
|
|
XChangeProperty(dpy, parentWidget()->winId(), atom, atom, 32, PropModeReplace,
|
||
|
|
reinterpret_cast< unsigned char* >( data ), sizeof( data ) / sizeof( data[ 0 ] ));
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace Plasma
|
||
|
|
|
||
|
|
#include "windowpreview_p.moc"
|