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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-08-12 08:51:01 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-08-12 08:51:01 +0000
commitecb591aa8446dd7b133e1674287924a5e2c0ac14 (patch)
treee76bc4331afa099819ec15438fb4567085d976f4 /kdm/kfrontend
parent5292ca5c9f8467aa40313b25de8121aebae3f22b (diff)
downloadtdebase-ecb591aa8446dd7b133e1674287924a5e2c0ac14.tar.gz
tdebase-ecb591aa8446dd7b133e1674287924a5e2c0ac14.zip
Export the kdm background pixmap via standard Xorg mechanisims for greater flexibility
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1246636 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kdm/kfrontend')
-rw-r--r--kdm/kfrontend/krootimage.cpp24
1 files changed, 21 insertions, 3 deletions
diff --git a/kdm/kfrontend/krootimage.cpp b/kdm/kfrontend/krootimage.cpp
index a92c6aab1..390601c8d 100644
--- a/kdm/kfrontend/krootimage.cpp
+++ b/kdm/kfrontend/krootimage.cpp
@@ -30,6 +30,7 @@ Boston, MA 02110-1301, USA.
#include "krootimage.h"
#include <X11/Xlib.h>
+#include <X11/Xatom.h>
#include <stdlib.h>
@@ -43,6 +44,8 @@ static KCmdLineOptions options[] = {
KCmdLineLastOption
};
+static Atom prop_root;
+static bool properties_inited = false;
MyApplication::MyApplication( const char *conf )
: KApplication(),
@@ -54,14 +57,28 @@ MyApplication::MyApplication( const char *conf )
renderer.changeWallpaper(); // cannot do it when we're killed, so do it now
timer.start( 60000 );
renderer.start();
+
+ if( !properties_inited ) {
+ prop_root = XInternAtom(qt_xdisplay(), "_XROOTPMAP_ID", False);
+ properties_inited = true;
+ }
}
void
MyApplication::renderDone()
{
- TQT_TQWIDGET(desktop())->setBackgroundPixmap( renderer.pixmap() );
+ // Get the newly drawn pixmap...
+ TQPixmap pm = renderer.pixmap();
+
+ // ...set it to the desktop widget...
+ TQT_TQWIDGET(desktop())->setBackgroundPixmap( pm );
TQT_TQWIDGET(desktop())->tqrepaint( true );
+
+ // ...and export it via Esetroot-style so that composition managers can use it!
+ Pixmap bgPm = pm.handle(); // fetch the actual X handle to it
+ XChangeProperty(qt_xdisplay(), qt_xrootwin(), prop_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &bgPm, 1);
+
renderer.saveCacheFile();
renderer.cleanup();
for (unsigned i=0; i<renderer.numRenderers(); ++i)
@@ -69,10 +86,11 @@ MyApplication::renderDone()
KBackgroundRenderer * r = renderer.renderer(i);
if (r->backgroundMode() == KBackgroundSettings::Program ||
(r->multiWallpaperMode() != KBackgroundSettings::NoMulti &&
- r->multiWallpaperMode() != KBackgroundSettings::NoMultiRandom))
+ r->multiWallpaperMode() != KBackgroundSettings::NoMultiRandom)) {
return;
+ }
}
- quit();
+
}
void