17 #include <tdeapplication.h>
18 #include <kimageeffect.h>
19 #include <kpixmapio.h>
20 #include <twinmodule.h>
24 #include <dcopclient.h>
27 #include <ksharedpixmap.h>
28 #include <krootpixmap.h>
31 static TQString wallpaperForDesktop(
int desktop)
33 return DCOPRef(
"kdesktop",
"KBackgroundIface").
call(
"currentWallpaper", desktop);
47 : TQObject(widget, name ? name :
"KRootPixmap" ), m_Desk(0), m_pWidget(widget)
53 : TQObject( parent, name ? name :
"KRootPixmap" ), m_Desk(0), m_pWidget(widget)
58 void KRootPixmap::init()
60 d =
new KRootPixmapData;
64 m_pPixmap =
new TDESharedPixmap;
65 m_pTimer =
new TQTimer(
this );
68 m_bCustomPaint =
false;
70 connect(kapp, TQT_SIGNAL(backgroundChanged(
int)), TQT_SLOT(slotBackgroundChanged(
int)));
71 connect(m_pTimer, TQT_SIGNAL(timeout()), TQT_SLOT(
repaint()));
73 connect(m_pPixmap, TQT_SIGNAL(done(
bool)), TQT_SLOT(slotDone(
bool)));
76 connect(d->twin, TQT_SIGNAL(windowChanged(WId,
unsigned int)), TQT_SLOT(desktopChanged(WId,
unsigned int)));
77 connect(d->twin, TQT_SIGNAL(currentDesktopChanged(
int)), TQT_SLOT(desktopChanged(
int)));
80 d->toplevel = m_pWidget->topLevelWidget();
81 d->toplevel->installEventFilter(
this);
82 m_pWidget->installEventFilter(
this);
95 NETRootInfo rinfo( tqt_xdisplay(), NET::CurrentDesktop );
97 return rinfo.currentDesktop();
100 return TQApplication::desktop()->screenNumber(m_pWidget);
139 if ( m_bActive && m_bInit )
repaint(
true);
144 m_BlurRadius = radius;
151 if (!m_bInit && ((event->type() == TQEvent::Show) || (event->type() == TQEvent::Paint)))
160 switch (event->type())
162 case TQEvent::Resize:
164 m_pTimer->start(100,
true);
168 m_pTimer->start(0,
true);
171 case TQEvent::Reparent:
172 d->toplevel->removeEventFilter(
this);
173 d->toplevel = m_pWidget->topLevelWidget();
174 d->toplevel->installEventFilter(
this);
184 void KRootPixmap::desktopChanged(
int desktop)
186 if (wallpaperForDesktop(m_Desk) == wallpaperForDesktop(desktop) &&
187 !wallpaperForDesktop(m_Desk).isNull())
191 if (
KWin::windowInfo(m_pWidget->topLevelWidget()->winId()).desktop() == NET::OnAllDesktops &&
197 void KRootPixmap::desktopChanged( WId window,
unsigned int properties )
200 if( !(properties & NET::WMDesktop) ||
201 (window != m_pWidget->topLevelWidget()->winId()))
217 TQPoint p1 = m_pWidget->mapToGlobal(m_pWidget->rect().topLeft());
218 TQPoint p2 = m_pWidget->mapToGlobal(m_pWidget->rect().bottomRight());
219 if (!force && (m_Rect == TQRect(p1, p2)))
226 if ((p1 == m_Rect.topLeft()) && (m_pWidget->width() < m_Rect.width()) &&
227 (m_pWidget->height() < m_Rect.height())
230 m_Rect = TQRect(p1, p2);
234 m_Rect = TQRect(p1, p2);
237 if ((m_Desk == NET::OnAllDesktops) || (m_Desk == 0)) {
242 m_pPixmap->loadFromShared(
pixmapName(m_Desk), m_Rect);
248 if (!m_pPixmap->isNull()) {
249 m_pPixmap->resize( m_Rect.size() );
258 return m_pPixmap->isAvailable(
pixmapName(m_Desk));
260 return m_pPixmap->isNull();
265 TQString pattern = TQString(
"DESKTOP%1");
267 int screen_number = DefaultScreen(tqt_xdisplay());
269 pattern = TQString(
"SCREEN%1-DESKTOP").arg(screen_number) +
"%1";
272 return pattern.arg( desk );
284 TQDataStream args( data, IO_WriteOnly );
287 TQCString appname(
"kdesktop" );
288 int screen_number = DefaultScreen(tqt_xdisplay());
290 appname.sprintf(
"kdesktop-screen-%d", screen_number );
292 client->
send( appname,
"KBackgroundIface",
"setExport(int)", data );
297 void KRootPixmap::slotDone(
bool success)
323 if ((m_BlurRadius > 1e-6) || (m_BlurSigma > 1e-6))
331 if ( !m_bCustomPaint )
332 m_pWidget->setBackgroundPixmap( pm );
339 void KRootPixmap::slotBackgroundChanged(
int desk)
341 if (!m_bInit || !m_bActive)
348 #include "krootpixmap.moc"