rollover test

markhuot · Jul 14, 2011 · e21bd2a · e21bd2a
1 parent c7aec4e
commit e21bd2a
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Showing 3 changed files with 81 additions and 8 deletions.
diff --git a/src/MHOpenFiles.m b/src/MHOpenFiles.m
@@ -6,6 +6,7 @@
 //  Copyright 2011 Home. All rights reserved.
 //
 
+#import "MHOutlineView.h"
 #import "MHOpenFiles.h"
 
 @implementation MHOpenFiles
@@ -152,8 +153,17 @@ - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTabl
     return [url lastPathComponent];
 }
 
-- (void)outlineView:(NSOutlineView *)outlineView willDisplayCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)item
+- (void)outlineView:(MHOutlineView *)theOutlineView willDisplayCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)item
 {
+
+    //NSInteger rowIndex = [theOutlineView rowForItem:item];
+
+    //if ([theOutlineView mouseOverRow] == rowIndex) {
+	//	NSLog(@"%d could be highlighted", rowIndex);
+    //} else {
+    //    NSLog(@"%d shouldn't be highlighted", rowIndex);
+    //}
+
     if (item == @"WORKSPACE")
     {
         [cell setImage:nil];

diff --git a/src/MHOutlineView.h b/src/MHOutlineView.h
@@ -10,7 +10,10 @@
 
 
 @interface MHOutlineView : NSOutlineView {
-
+    NSTrackingRectTag trackingTag;
+	BOOL mouseOverView;
+	int mouseOverRow;
+	int lastOverRow;
 }
 
 @end
diff --git a/src/MHOutlineView.m b/src/MHOutlineView.m
@@ -11,17 +11,25 @@
 
 @implementation MHOutlineView
 
-- (id)init
+- (id)initWithFrame:(NSRect)frameRect
 {
-    self = [super init];
+    self = [super initWithFrame:frameRect];
     if (self) {
-        //[[self window] makeFirstResponder:self];
-        //[self addTrackingRect:NSMakeRect(0, 0, 500, 500) owner:self userData:nil assumeInside:NO];
+
     }
-
     return self;
 }
 
+- (void)awakeFromNib
+{
+    NSLog(@"%@", [self window]);
+    [[self window] setAcceptsMouseMovedEvents:YES];
+    trackingTag = [self addTrackingRect:[self frame] owner:self userData:nil assumeInside:NO];
+    mouseOverView = NO;
+    mouseOverRow = -1;
+    lastOverRow = -1;
+}
+
 - (NSRect)frameOfCellAtColumn:(NSInteger)column row:(NSInteger)row
 {
     NSRect rc = [super frameOfCellAtColumn:column row:row];
@@ -36,9 +44,61 @@ - (NSRect)frameOfCellAtColumn:(NSInteger)column row:(NSInteger)row
     return rc;
 }
 
+- (void)mouseEntered:(NSEvent*)theEvent
+{
+    NSLog(@"entered.");
+	mouseOverView = YES;
+}
+
+- (void)mouseMoved:(NSEvent*)theEvent
+{
+	id myDelegate = [self delegate];
+
+	if (!myDelegate)
+		return; // No delegate, no need to track the mouse.
+	if (![myDelegate respondsToSelector:@selector(tableView:willDisplayCell:forTableColumn:row:)])
+		return; // If the delegate doesn't modify the drawing, don't track.
+
+	if (mouseOverView) {
+		mouseOverRow = [self rowAtPoint:[self convertPoint:[theEvent locationInWindow] fromView:nil]];
+
+		if (lastOverRow == mouseOverRow)
+			return;
+		else {
+			[self setNeedsDisplayInRect:[self rectOfRow:lastOverRow]];
+			lastOverRow = mouseOverRow;
+		}
+
+        [self setNeedsDisplayInRect:[self rectOfRow:mouseOverRow]];
+	}
+}
+
+- (void)mouseExited:(NSEvent *)theEvent
+{
+    NSLog(@"exited.");
+	mouseOverView = NO;
+	[self setNeedsDisplayInRect:[self rectOfRow:mouseOverRow]];
+	mouseOverRow = -1;
+	lastOverRow = -1;
+}
+
+- (int)mouseOverRow
+{
+	return mouseOverRow;
+}
+
+- (void)viewDidEndLiveResize
+{
+    [super viewDidEndLiveResize];
+
+    [self removeTrackingRect:trackingTag];
+    trackingTag = [self addTrackingRect:[self frame] owner:self userData:nil assumeInside:NO];
+}
+
 - (void)dealloc
 {
-    [super dealloc];
+	[self removeTrackingRect:trackingTag];
+	[super dealloc];
 }
 
 @end