fix [cde766f911]: scrollbars do not update correctly for treeview widgets.

1 files changed, 49 insertions, 0 deletions

diff --git a/macosx/tkMacOSXRegion.c b/macosx/tkMacOSXRegion.c
index 6c70a63..3c168f1 100644
--- a/macosx/tkMacOSXRegion.c
+++ b/macosx/tkMacOSXRegion.c
@@ -555,6 +555,55 @@ TkMacOSHIShapeUnion(
     return result;
 }
 
+static OSStatus
+rectCounter(
+    int msg,
+    TCL_UNUSED(HIShapeRef),
+    const CGRect *rect,
+    void *ref)
+{
+    int *count = (int *)ref;
+    (*count)++;
+    return noErr;
+}
+
+static OSStatus
+rectPrinter(
+    int msg,
+    TCL_UNUSED(HIShapeRef),
+    const CGRect *rect,
+    void *ref)
+{
+    if (rect) {
+	printf("    %s\n", NSStringFromRect(*rect).UTF8String);
+    }
+    return noErr;
+}
+
+int
+TkMacOSXCountRectsInRegion(
+    HIShapeRef shape)
+{
+    int rect_count = 0;
+    if (!HIShapeIsEmpty(shape)) {
+	ChkErr(HIShapeEnumerate, shape,
+		kHIShapeParseFromBottom|kHIShapeParseFromLeft,
+		rectCounter, &rect_count);
+    }
+    return rect_count;
+}
+
+void
+TkMacOSXPrintRectsInRegion(
+    HIShapeRef shape)
+{
+    if (!HIShapeIsEmpty(shape)) {
+	ChkErr(HIShapeEnumerate, shape,
+		kHIShapeParseFromBottom|kHIShapeParseFromLeft,
+		rectPrinter, NULL);
+    }
+}
+
 /*
  * Local Variables:
  * mode: objc