More Qt3/Qt4 fixes

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/dependencies/tqtinterface@1162835 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 56 insertions, 0 deletions

diff --git a/qtinterface/tqpaintdevice.cpp b/qtinterface/tqpaintdevice.cpp
index dd11fbf..20f41cc 100644
--- a/qtinterface/tqpaintdevice.cpp
+++ b/qtinterface/tqpaintdevice.cpp
@@ -40,4 +40,60 @@ Qt::HANDLE QPaintDevice::x11RenderHandle() const
 // #endif // QT_NO_XFTFREETYPE
 }
 
+static GC*	app_gc_tmp	= 0;		// temporary GC
+static GC*	app_gc_tmp_m	= 0;		// temporary GC (monochrome)
+
+static GC create_gc( int scrn, bool monochrome )
+{
+    GC gc;
+    if ( monochrome ) {
+	Pixmap pm = XCreatePixmap( appDpy, RootWindow( appDpy, scrn ), 8, 8, 1 );
+	gc = XCreateGC( appDpy, pm, 0, 0 );
+	XFreePixmap( appDpy, pm );
+    } else {
+	if ( QPaintDevice::x11AppDefaultVisual( scrn ) ) {
+	    gc = XCreateGC( appDpy, RootWindow( appDpy, scrn ), 0, 0 );
+	} else {
+	    Window w;
+	    XSetWindowAttributes a;
+	    a.background_pixel = Qt::black.pixel( scrn );
+	    a.border_pixel = Qt::black.pixel( scrn );
+	    a.colormap = QPaintDevice::x11AppColormap( scrn );
+	    w = XCreateWindow( appDpy, RootWindow( appDpy, scrn ), 0, 0, 100, 100,
+			       0, QPaintDevice::x11AppDepth( scrn ), InputOutput,
+			       (Visual*)QPaintDevice::x11AppVisual( scrn ),
+			       CWBackPixel|CWBorderPixel|CWColormap, &a );
+	    gc = XCreateGC( appDpy, w, 0, 0 );
+	    XDestroyWindow( appDpy, w );
+	}
+    }
+    XSetGraphicsExposures( appDpy, gc, False );
+    return gc;
+}
+
+GC qt_xget_temp_gc( int scrn, bool monochrome )		// get temporary GC
+{
+    int appScreenCount = QApplication::desktop()->numScreens();
+    if ( scrn < 0 || scrn >= appScreenCount ) {
+	qDebug("invalid screen (tmp) %d %d", scrn, appScreenCount );
+	QWidget* bla = 0;
+	bla->setName("hello");
+    }
+    GC gc;
+    if ( monochrome ) {
+	if ( !app_gc_tmp_m )			// create GC for bitmap
+	    memset( (app_gc_tmp_m = new GC[appScreenCount]), 0, appScreenCount * sizeof( GC ) );
+	if ( !app_gc_tmp_m[scrn] )
+	    app_gc_tmp_m[scrn] = create_gc( scrn, TRUE );
+	gc = app_gc_tmp_m[scrn];
+    } else {					// create standard GC
+	if ( !app_gc_tmp )
+	    memset( (app_gc_tmp = new GC[appScreenCount]), 0, appScreenCount * sizeof( GC ) );
+	if ( !app_gc_tmp[scrn] )
+	    app_gc_tmp[scrn] = create_gc( scrn, FALSE );
+	gc = app_gc_tmp[scrn];
+    }
+    return gc;
+}
+
 #endif // USE_QT4
\ No newline at end of file