diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT PI/gtk')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk/OS.java | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk/OS.java b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk/OS.java index 85386b46e6..ec0375a0c2 100644 --- a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk/OS.java +++ b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk/OS.java @@ -728,6 +728,27 @@ public class OS extends C { } } + /* Fix for Bug 421127 causes regression in Control.print(GC), namely Canvas.print(GC) doesn't work. + * To avoid dealing with breaking API change in GTK 3.10, the fix initializes a new Cairo object for each widget. + * Fixes for Bug 531667 ensures that the print method functions, by propagating the same Cairo object to each widget. + * Since any number of classes can be affected by this change, its not clear whether the present fixes are sufficient. + * We therefore add a kill switch for this patch, which is to be used as last resort + * in case of widget rendering problems due to incomplete fixes. + * + * Use by adding a VM argument: -Dorg.eclipse.swt.internal.gtk.cairoContextReuse=false + * + * For more information see: + * Bug 421127, Bug 531667 + */ + public static final boolean CAIRO_CONTEXT_REUSE; + static { + boolean cairoContextReuse = true; + if ("false".equals(System.getProperty("org.eclipse.swt.internal.gtk.cairoContextReuse"))) { + cairoContextReuse = false; + } + CAIRO_CONTEXT_REUSE = cairoContextReuse; + } + protected static byte [] ascii (String name) { int length = name.length (); char [] chars = new char [length]; |