summaryrefslogtreecommitdiffstats
path: root/kdeui/krootpixmap.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kdeui/krootpixmap.cpp')
-rw-r--r--kdeui/krootpixmap.cpp347
1 files changed, 0 insertions, 347 deletions
diff --git a/kdeui/krootpixmap.cpp b/kdeui/krootpixmap.cpp
deleted file mode 100644
index 6f664b9a0..000000000
--- a/kdeui/krootpixmap.cpp
+++ /dev/null
@@ -1,347 +0,0 @@
-/* vi: ts=8 sts=4 sw=4
- *
- *
- * This file is part of the KDE project, module tdeui.
- * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
- *
- * You can Freely distribute this program under the GNU Library
- * General Public License. See the file "COPYING.LIB" for the exact
- * licensing terms.
- */
-
-#include <tqwidget.h>
-#include <tqtimer.h>
-#include <tqrect.h>
-#include <tqimage.h>
-
-#include <kapplication.h>
-#include <kimageeffect.h>
-#include <kpixmapio.h>
-#include <kwinmodule.h>
-#include <kwin.h>
-#include <kdebug.h>
-#include <netwm.h>
-#include <dcopclient.h>
-#include <dcopref.h>
-
-#include <ksharedpixmap.h>
-#include <krootpixmap.h>
-
-
-static TQString wallpaperForDesktop(int desktop)
-{
- return DCOPRef("kdesktop", "KBackgroundIface").call("currentWallpaper", desktop);
-}
-
-class KRootPixmapData
-{
-public:
- TQWidget *toplevel;
-#ifdef Q_WS_X11
- KWinModule *kwin;
-#endif
-};
-
-
-KRootPixmap::KRootPixmap( TQWidget *widget, const char *name )
- : TQObject(widget, name ? name : "KRootPixmap" ), m_Desk(0), m_pWidget(widget)
-{
- init();
-}
-
-KRootPixmap::KRootPixmap( TQWidget *widget, TQObject *parent, const char *name )
- : TQObject( parent, name ? name : "KRootPixmap" ), m_Desk(0), m_pWidget(widget)
-{
- init();
-}
-
-void KRootPixmap::init()
-{
- d = new KRootPixmapData;
- m_Fade = 0;
- m_BlurRadius = 0;
- m_BlurSigma = 0;
- m_pPixmap = new KSharedPixmap; //ordinary KPixmap on win32
- m_pTimer = new TQTimer( this );
- m_bInit = false;
- m_bActive = false;
- m_bCustomPaint = false;
-
- connect(kapp, TQT_SIGNAL(backgroundChanged(int)), TQT_SLOT(slotBackgroundChanged(int)));
- connect(m_pTimer, TQT_SIGNAL(timeout()), TQT_SLOT(tqrepaint()));
-#ifdef Q_WS_X11
- connect(m_pPixmap, TQT_SIGNAL(done(bool)), TQT_SLOT(slotDone(bool)));
-
- d->kwin = new KWinModule( this );
- connect(d->kwin, TQT_SIGNAL(windowChanged(WId, unsigned int)), TQT_SLOT(desktopChanged(WId, unsigned int)));
- connect(d->kwin, TQT_SIGNAL(currentDesktopChanged(int)), TQT_SLOT(desktopChanged(int)));
-#endif
-
- d->toplevel = m_pWidget->tqtopLevelWidget();
- d->toplevel->installEventFilter(this);
- m_pWidget->installEventFilter(this);
-}
-
-KRootPixmap::~KRootPixmap()
-{
- delete m_pPixmap;
- delete d;
-}
-
-
-int KRootPixmap::currentDesktop() const
-{
-#ifdef Q_WS_X11
- NETRootInfo rinfo( qt_xdisplay(), NET::CurrentDesktop );
- rinfo.activate();
- return rinfo.currentDesktop();
-#else
- //OK?
- return TQApplication::desktop()->screenNumber(m_pWidget);
-#endif
-}
-
-
-void KRootPixmap::start()
-{
- if (m_bActive)
- return;
-
- m_bActive = true;
- if ( !isAvailable() )
- {
- // We will get a KIPC message when the shared pixmap is available.
- enableExports();
- return;
- }
- if (m_bInit)
- tqrepaint(true);
-}
-
-
-void KRootPixmap::stop()
-{
- m_bActive = false;
- m_pTimer->stop();
-}
-
-
-void KRootPixmap::setFadeEffect(double fade, const TQColor &color)
-{
- if (fade < 0)
- m_Fade = 0;
- else if (fade > 1)
- m_Fade = 1;
- else
- m_Fade = fade;
- m_FadeColor = color;
-
- if ( m_bActive && m_bInit ) tqrepaint(true);
-}
-
-void KRootPixmap::setBlurEffect(double radius, double sigma)
-{
- m_BlurRadius = radius;
- m_BlurSigma = sigma;
-}
-
-bool KRootPixmap::eventFilter(TQObject *, TQEvent *event)
-{
- // Initialise after the first show or paint event on the managed widget.
- if (!m_bInit && ((event->type() == TQEvent::Show) || (event->type() == TQEvent::Paint)))
- {
- m_bInit = true;
- m_Desk = currentDesktop();
- }
-
- if (!m_bActive)
- return false;
-
- switch (event->type())
- {
- case TQEvent::Resize:
- case TQEvent::Move:
- m_pTimer->start(100, true);
- break;
-
- case TQEvent::Paint:
- m_pTimer->start(0, true);
- break;
-
- case TQEvent::Reparent:
- d->toplevel->removeEventFilter(this);
- d->toplevel = m_pWidget->tqtopLevelWidget();
- d->toplevel->installEventFilter(this);
- break;
-
- default:
- break;
- }
-
- return false; // always continue processing
-}
-
-void KRootPixmap::desktopChanged(int desktop)
-{
- if (wallpaperForDesktop(m_Desk) == wallpaperForDesktop(desktop) &&
- !wallpaperForDesktop(m_Desk).isNull())
- return;
-
-#ifdef Q_WS_X11
- if (KWin::windowInfo(m_pWidget->tqtopLevelWidget()->winId()).desktop() == NET::OnAllDesktops &&
- pixmapName(m_Desk) != pixmapName(desktop))
-#endif
- tqrepaint(true);
-}
-
-void KRootPixmap::desktopChanged( WId window, unsigned int properties )
-{
-#ifdef Q_WS_X11
- if( !(properties & NET::WMDesktop) ||
- (window != m_pWidget->tqtopLevelWidget()->winId()))
- return;
-#endif
-
- kdDebug() << k_funcinfo << endl;
- tqrepaint(true);
-}
-
-void KRootPixmap::tqrepaint()
-{
- tqrepaint(false);
-}
-
-
-void KRootPixmap::tqrepaint(bool force)
-{
- TQPoint p1 = m_pWidget->mapToGlobal(m_pWidget->rect().topLeft());
- TQPoint p2 = m_pWidget->mapToGlobal(m_pWidget->rect().bottomRight());
- if (!force && (m_Rect == TQRect(p1, p2)))
- return;
-
- // Due to northwest bit gravity, we don't need to do anything if the
- // bottom right corner of the widget is moved inward.
- // That said, konsole clears the background when it is resized, so
- // we have to reset the background pixmap.
- if ((p1 == m_Rect.topLeft()) && (m_pWidget->width() < m_Rect.width()) &&
- (m_pWidget->height() < m_Rect.height())
- )
- {
- m_Rect = TQRect(p1, p2);
- updateBackground( m_pPixmap );
- return;
- }
- m_Rect = TQRect(p1, p2);
-#ifdef Q_WS_X11
- m_Desk = KWin::windowInfo(m_pWidget->tqtopLevelWidget()->winId()).desktop();
- if (m_Desk == NET::OnAllDesktops)
- m_Desk = currentDesktop();
-
- // KSharedPixmap will correctly generate a tile for us.
- m_pPixmap->loadFromShared(pixmapName(m_Desk), m_Rect);
-#else
- m_Desk = currentDesktop();
- // !x11 note: tile is not generated!
- // TODO: pixmapName() is a nonsense now!
- m_pPixmap->load( pixmapName(m_Desk) );
- if (!m_pPixmap->isNull()) {
- m_pPixmap->resize( m_Rect.size() );
- slotDone(true);
- }
-#endif
-}
-
-bool KRootPixmap::isAvailable() const
-{
-#ifdef Q_WS_X11
- return m_pPixmap->isAvailable(pixmapName(m_Desk));
-#else
- return m_pPixmap->isNull();
-#endif
-}
-
-TQString KRootPixmap::pixmapName(int desk) {
- TQString pattern = TQString("DESKTOP%1");
-#ifdef Q_WS_X11
- int screen_number = DefaultScreen(qt_xdisplay());
- if (screen_number) {
- pattern = TQString("SCREEN%1-DESKTOP").arg(screen_number) + "%1";
- }
-#endif
- return pattern.arg( desk );
-}
-
-
-void KRootPixmap::enableExports()
-{
-#ifdef Q_WS_X11
- kdDebug(270) << k_lineinfo << "activating background exports.\n";
- DCOPClient *client = kapp->dcopClient();
- if (!client->isAttached())
- client->attach();
- TQByteArray data;
- TQDataStream args( data, IO_WriteOnly );
- args << 1;
-
- TQCString appname( "kdesktop" );
- int screen_number = DefaultScreen(qt_xdisplay());
- if ( screen_number )
- appname.sprintf("kdesktop-screen-%d", screen_number );
-
- client->send( appname, "KBackgroundIface", "setExport(int)", data );
-#endif
-}
-
-
-void KRootPixmap::slotDone(bool success)
-{
- if (!success)
- {
- kdWarning(270) << k_lineinfo << "loading of desktop background failed.\n";
- return;
- }
-
- // We need to test active as the pixmap might become available
- // after the widget has been destroyed.
- if ( m_bActive )
- updateBackground( m_pPixmap );
-}
-
-void KRootPixmap::updateBackground( KSharedPixmap *spm )
-{
- TQPixmap pm = *spm;
-
- if (m_Fade > 1e-6)
- {
- KPixmapIO io;
- TQImage img = io.convertToImage(pm);
- img = KImageEffect::fade(img, m_Fade, m_FadeColor);
- pm = io.convertToPixmap(img);
- }
-
- if ((m_BlurRadius > 1e-6) || (m_BlurSigma > 1e-6))
- {
- KPixmapIO io;
- TQImage img = io.convertToImage(pm);
- img = KImageEffect::blur(img, m_BlurRadius, m_BlurSigma);
- pm = io.convertToPixmap(img);
- }
-
- if ( !m_bCustomPaint )
- m_pWidget->setBackgroundPixmap( pm );
- else {
- emit backgroundUpdated( pm );
- }
-}
-
-
-void KRootPixmap::slotBackgroundChanged(int desk)
-{
- if (!m_bInit || !m_bActive)
- return;
-
- if (desk == m_Desk)
- tqrepaint(true);
-}
-
-#include "krootpixmap.moc"
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-27 02:09:21 +0000