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-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java11
-rw-r--r--tests/org.eclipse.swt.tests/BugSnippets/Bug528415_CTabFolder_tabs_are_painted_wrong.java47
2 files changed, 52 insertions, 6 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java
index 73cbefe741..a217a5948e 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java
@@ -3458,18 +3458,17 @@ long /*int*/ gtk_draw (long /*int*/ widget, long /*int*/ cairo) {
OS.gdk_cairo_get_clip_rectangle (cairo, rect);
Event event = new Event ();
event.count = 1;
- Rectangle eventRect = new Rectangle (rect.x, rect.y, rect.width, rect.height);
- event.setBounds (DPIUtil.autoScaleDown (eventRect));
- if ((style & SWT.MIRRORED) != 0) event.x = DPIUtil.autoScaleDown (getClientWidth ()) - event.width - event.x;
+ Rectangle eventBounds = DPIUtil.autoScaleDown (new Rectangle (rect.x, rect.y, rect.width, rect.height));
+ if ((style & SWT.MIRRORED) != 0) eventBounds.x = DPIUtil.autoScaleDown (getClientWidth ()) - eventBounds.width - eventBounds.x;
+ event.setBounds (eventBounds);
GCData data = new GCData ();
// data.damageRgn = gdkEvent.region;
if (OS.GTK_VERSION <= OS.VERSION (3, 9, 0)) {
data.cairo = cairo;
}
GC gc = event.gc = GC.gtk_new (this, data);
- Rectangle rect2 = DPIUtil.autoScaleDown(new Rectangle(rect.x, rect.y, rect.width, rect.height));
- // Caveat: rect2 is necessary because GC#setClipping(Rectangle) got broken by bug 446075
- gc.setClipping (rect2.x, rect2.y, rect2.width, rect2.height);
+ // Note: use GC#setClipping(x,y,width,height) because GC#setClipping(Rectangle) got broken by bug 446075
+ gc.setClipping (eventBounds.x, eventBounds.y, eventBounds.width, eventBounds.height);
drawWidget (gc);
sendEvent (SWT.Paint, event);
gc.dispose ();
diff --git a/tests/org.eclipse.swt.tests/BugSnippets/Bug528415_CTabFolder_tabs_are_painted_wrong.java b/tests/org.eclipse.swt.tests/BugSnippets/Bug528415_CTabFolder_tabs_are_painted_wrong.java
new file mode 100644
index 0000000000..2d346bca84
--- /dev/null
+++ b/tests/org.eclipse.swt.tests/BugSnippets/Bug528415_CTabFolder_tabs_are_painted_wrong.java
@@ -0,0 +1,47 @@
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.CTabFolder;
+import org.eclipse.swt.custom.CTabItem;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * Description: CTabItem in CTabFolder disappears on mouse over.
+ * Steps to reproduce:
+ * <ol>
+ * <li>mouse over a tab which has style SWT.RIGHT_TO_LEFT</li>
+ * </ol>
+ * Expected results: Tab is visible during and after mouse-over.
+ * Actual results: Tab is not visible during and after mouse-over, until another shell becomes active.
+ */
+public class Bug528415_CTabFolder_tabs_are_painted_wrong {
+
+ public static void main(String[] args) {
+ Display display = new Display();
+ Shell shell = new Shell(display);
+ shell.setSize(400, 200);
+ shell.setLayout(new FillLayout(SWT.VERTICAL));
+ shell.setText("Bug 528415: tab hovering is broken");
+
+ CTabFolder tabFolder = new CTabFolder(shell, SWT.RIGHT_TO_LEFT);
+ CTabItem tab1 = new CTabItem(tabFolder, SWT.NONE);
+ tab1.setText("Bad Tab 1");
+ CTabItem tab2 = new CTabItem(tabFolder, SWT.NONE);
+ tab2.setText("Bad Tab 2");
+
+ tabFolder = new CTabFolder(shell, SWT.LEFT_TO_RIGHT);
+ tab1 = new CTabItem(tabFolder, SWT.NONE);
+ tab1.setText("Good Tab 1");
+ tab2 = new CTabItem(tabFolder, SWT.NONE);
+ tab2.setText("Good Tab 2");
+
+ shell.open();
+
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch()) {
+ display.sleep();
+ }
+ }
+ display.dispose();
+ }
+}

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