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-rw-r--r--kdesktop/bgmanager.cc146
1 files changed, 131 insertions, 15 deletions
diff --git a/kdesktop/bgmanager.cc b/kdesktop/bgmanager.cc
index 62f97cecc..6274cf757 100644
--- a/kdesktop/bgmanager.cc
+++ b/kdesktop/bgmanager.cc
@@ -62,7 +62,7 @@ KBackgroundManager::KBackgroundManager(QWidget *desktop, KWinModule* kwinModule)
m_pDesktop = desktop;
if (desktop == 0L)
- desktop = QApplication::desktop()->screen();
+ desktop = KApplication::desktop()->screen();
m_Renderer.resize( 1 );
m_Cache.resize( 1 );
@@ -95,6 +95,9 @@ KBackgroundManager::KBackgroundManager(QWidget *desktop, KWinModule* kwinModule)
SLOT(slotChangeDesktop(int)));
connect(m_pKwinmodule, SIGNAL(numberOfDesktopsChanged(int)),
SLOT(slotChangeNumberOfDesktops(int)));
+ connect(m_pKwinmodule, SIGNAL(currentDesktopViewportChanged(int, const QPoint&)),
+ SLOT(slotChangeViewport(int, const QPoint&)));
+
#if (QT_VERSION-0 >= 0x030200)
connect( kapp->desktop(), SIGNAL( resized( int )), SLOT( desktopResized())); // RANDR support
@@ -227,7 +230,21 @@ int KBackgroundManager::realDesktop()
int KBackgroundManager::effectiveDesktop()
{
- return m_bCommon ? 0 : realDesktop();
+ QSize s(m_pKwinmodule->numberOfViewports(m_pKwinmodule->currentDesktop()));
+ m_numberOfViewports = s.width() * s.height();
+
+ if (m_numberOfViewports > 1) {
+ if (m_bCommon) {
+ return 0;
+ }
+ else {
+ QPoint vx(m_pKwinmodule->currentViewport(m_pKwinmodule->currentDesktop()));
+ return (realDesktop() * m_numberOfViewports) + ((vx.x() * vx.y()) - 1);
+ }
+ }
+ else {
+ return m_bCommon ? 0 : realDesktop();
+ }
}
@@ -236,6 +253,13 @@ int KBackgroundManager::effectiveDesktop()
*/
void KBackgroundManager::slotChangeNumberOfDesktops(int num)
{
+ QSize s(m_pKwinmodule->numberOfViewports(m_pKwinmodule->currentDesktop()));
+ m_numberOfViewports = s.width() * s.height();
+ if (m_numberOfViewports < 1) {
+ m_numberOfViewports = 1;
+ }
+ num = (num * m_numberOfViewports);
+
if (m_Renderer.size() == (unsigned) num)
return;
@@ -278,20 +302,26 @@ void KBackgroundManager::slotChangeNumberOfDesktops(int num)
*/
void KBackgroundManager::slotChangeDesktop(int desk)
{
+ QSize s(m_pKwinmodule->numberOfViewports(m_pKwinmodule->currentDesktop()));
+ m_numberOfViewports = s.width() * s.height();
+ if (m_numberOfViewports < 1) {
+ m_numberOfViewports = 1;
+ }
+
if (desk == 0)
desk = realDesktop();
else
desk--;
// Lazy initialisation of # of desktops
- if ((unsigned) desk >= m_Renderer.size())
- slotChangeNumberOfDesktops( m_pKwinmodule->numberOfDesktops() );
+ if ((m_pKwinmodule->numberOfDesktops() * m_numberOfViewports) >= m_Renderer.size())
+ slotChangeNumberOfDesktops( m_pKwinmodule->numberOfDesktops() * m_numberOfViewports);
int edesk = effectiveDesktop();
m_Serial++;
// If the background is the same: do nothing
- if (m_Hash == m_Renderer[edesk]->hash())
+ if ((m_Hash == m_Renderer[edesk]->hash()) && (desk != 0))
{
exportBackground(m_Current, desk);
return;
@@ -306,6 +336,8 @@ void KBackgroundManager::slotChangeDesktop(int desk)
continue;
if (m_Cache[i]->hash != m_Renderer[edesk]->hash())
continue;
+ if (desk == 0)
+ continue;
// kdDebug() << "slotChangeDesktop i=" << i << endl;
setPixmap(m_Cache[i]->pixmap, m_Cache[i]->hash, i);
m_Cache[i]->atime = m_Serial;
@@ -316,8 +348,72 @@ void KBackgroundManager::slotChangeDesktop(int desk)
// Do we have this or an identical config already running?
for (unsigned i=0; i<m_Renderer.size(); i++)
{
- if ((m_Renderer[i]->hash() == m_Renderer[edesk]->hash()) &&
- (m_Renderer[i]->isActive()))
+ if (((m_Renderer[i]->hash() == m_Renderer[edesk]->hash()) && (m_Renderer[i]->isActive())) && (desk != 0))
+ return;
+ }
+
+ renderBackground(edesk);
+}
+
+/*
+ * Call this when the viewport has been changed.
+ * Desk is in KWin convention: [1..desks], instead of [0..desks-1].
+ * 0 repaints the current viewport.
+ */
+void KBackgroundManager::slotChangeViewport(int desk, const QPoint& viewport)
+{
+ QSize s(m_pKwinmodule->numberOfViewports(m_pKwinmodule->currentDesktop()));
+ m_numberOfViewports = s.width() * s.height();
+ if (m_numberOfViewports < 1) {
+ m_numberOfViewports = 1;
+ }
+
+ if (desk == 0)
+ desk = realDesktop();
+ else
+ desk--;
+
+ // Lazy initialisation of # of desktops
+ if ((m_pKwinmodule->numberOfDesktops() * m_numberOfViewports) >= m_Renderer.size())
+ slotChangeNumberOfDesktops( m_pKwinmodule->numberOfDesktops() * m_numberOfViewports );
+
+ int edesk = effectiveDesktop();
+ m_Serial++;
+
+ // If the background is the same: do nothing
+ if ((m_Hash == m_Renderer[edesk]->hash()) && (desk != 0))
+ {
+ exportBackground(m_Current, desk);
+ return;
+ }
+ m_Renderer[edesk]->stop();
+ m_Renderer[edesk]->cleanup();
+
+ // If we have the background already rendered: set it
+ for (unsigned i=0; i<m_Cache.size(); i++)
+ {
+ if (!m_Cache[i]->pixmap)
+ continue;
+ if (m_Cache[i]->hash != m_Renderer[edesk]->hash())
+ continue;
+ if (desk == 0)
+ continue;
+// kdDebug() << "slotChangeDesktop i=" << i << endl;
+
+ //KPixmap * viewport_background = new KPixmap(QPixmap(m_Cache[i]->pixmap->width()*s.width(), m_Cache[i]->pixmap->height()*s.height()));
+ //setPixmap(viewport_background, m_Cache[i]->hash, i);
+ //delete viewport_background;
+
+ setPixmap(m_Cache[i]->pixmap, m_Cache[i]->hash, i);
+ m_Cache[i]->atime = m_Serial;
+ exportBackground(i, desk);
+ return;
+ }
+
+ // Do we have this or an identical config already running?
+ for (unsigned i=0; i<m_Renderer.size(); i++)
+ {
+ if (((m_Renderer[i]->hash() == m_Renderer[edesk]->hash()) && (m_Renderer[i]->isActive())) && (desk != 0))
return;
}
@@ -360,14 +456,14 @@ void KBackgroundManager::setPixmap(KPixmap *pm, int hash, int desk)
root_cleared = true;
QTimer::singleShot( 0, this, SLOT( clearRoot()));
// but make the pixmap visible until m_pDesktop is visible
- QApplication::desktop()->screen()->setErasePixmap(*pm);
- QApplication::desktop()->screen()->erase();
+ KApplication::desktop()->screen()->setErasePixmap(*pm);
+ KApplication::desktop()->screen()->erase();
}
}
else
{
- QApplication::desktop()->screen()->setErasePixmap(*pm);
- QApplication::desktop()->screen()->erase();
+ KApplication::desktop()->screen()->setErasePixmap(*pm);
+ KApplication::desktop()->screen()->erase();
}
// and export it via Esetroot-style for gnome/GTK apps to share in the pretties
@@ -387,8 +483,8 @@ void KBackgroundManager::setPixmap(KPixmap *pm, int hash, int desk)
void KBackgroundManager::clearRoot()
{
- QApplication::desktop()->screen()->setErasePixmap( QPixmap());
- QApplication::desktop()->screen()->erase();
+ KApplication::desktop()->screen()->setErasePixmap( QPixmap());
+ KApplication::desktop()->screen()->erase();
}
/*
@@ -412,6 +508,14 @@ void KBackgroundManager::renderBackground(int desk)
*/
void KBackgroundManager::slotImageDone(int desk)
{
+ bool t_useViewports = 1;
+ QSize s(m_pKwinmodule->numberOfViewports(m_pKwinmodule->currentDesktop()));
+ m_numberOfViewports = s.width() * s.height();
+ if (m_numberOfViewports < 1) {
+ m_numberOfViewports = 1;
+ t_useViewports = 0;
+ }
+
KPixmap *pm = new KPixmap();
KVirtualBGRenderer *r = m_Renderer[desk];
bool do_cleanup = true;
@@ -421,6 +525,11 @@ void KBackgroundManager::slotImageDone(int desk)
bool current = (r->hash() == m_Renderer[effectiveDesktop()]->hash());
if (current)
{
+ //KPixmap * viewport_background = new KPixmap(QPixmap(pm->width()*s.width(), pm->height()*s.height()));
+ //printf("slotImageDone(): x: %d y: %d\n\r", viewport_background->size().width(), viewport_background->size().height());
+ //setPixmap(viewport_background, r->hash(), desk);
+ //delete viewport_background;
+
setPixmap(pm, r->hash(), desk);
if (!m_bBgInitDone)
{
@@ -742,7 +851,7 @@ void KBackgroundManager::repaintBackground()
if (m_pDesktop)
m_pDesktop->repaint();
else
- QApplication::desktop()->screen()->erase();
+ KApplication::desktop()->screen()->erase();
}
void KBackgroundManager::desktopResized()
@@ -755,12 +864,19 @@ void KBackgroundManager::desktopResized()
removeCache(i);
// make the renderer update its desktop size
r->desktopResized();
+ for (unsigned j=0; j<(r->numRenderers()); ++j) {
+ r->renderer(j)->desktopResized();
+ }
}
m_Hash = 0;
if( m_pDesktop )
- m_pDesktop->resize( kapp->desktop()->size());
+ m_pDesktop->resize( kapp->desktop()->geometry().size());
// Repaint desktop
slotChangeDesktop(0);
+ repaintBackground();
+
+ // Signal KWin that the usable desktop area has probably changed...
+ // Use the DCOP signal kDestopResized
}
// DCOP exported
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 06:40:16 +0000