Cursor and Tracking Area

pppoe · Aug 10, 2011 · b377a49 · b377a49
1 parent 47e88c3
commit b377a49
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Showing 4 changed files with 198 additions and 116 deletions.
diff --git a/GetFrame.xcodeproj/project.pbxproj b/GetFrame.xcodeproj/project.pbxproj
@@ -15,6 +15,7 @@
 		4654F93013F10E2800BE97F7 /* Main.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4654F92E13F10E2800BE97F7 /* Main.xib */; };
 		4654F93813F119D700BE97F7 /* GetFrameWinController.m in Sources */ = {isa = PBXBuildFile; fileRef = 4654F93713F119D700BE97F7 /* GetFrameWinController.m */; };
 		4654F93A13F11A0300BE97F7 /* GetFrameWinController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4654F93913F11A0300BE97F7 /* GetFrameWinController.xib */; };
+		4654FD1513F267C900BE97F7 /* GetFrameImageView.m in Sources */ = {isa = PBXBuildFile; fileRef = 4654FD1413F267C900BE97F7 /* GetFrameImageView.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -34,6 +35,8 @@
 		4654F93613F119D700BE97F7 /* GetFrameWinController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = GetFrameWinController.h; sourceTree = "<group>"; };
 		4654F93713F119D700BE97F7 /* GetFrameWinController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GetFrameWinController.m; sourceTree = "<group>"; };
 		4654F93913F11A0300BE97F7 /* GetFrameWinController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = GetFrameWinController.xib; sourceTree = "<group>"; };
+		4654FD1313F267C900BE97F7 /* GetFrameImageView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = GetFrameImageView.h; sourceTree = "<group>"; };
+		4654FD1413F267C900BE97F7 /* GetFrameImageView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GetFrameImageView.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -94,6 +97,8 @@
 				4654F93613F119D700BE97F7 /* GetFrameWinController.h */,
 				4654F93713F119D700BE97F7 /* GetFrameWinController.m */,
 				4654F93913F11A0300BE97F7 /* GetFrameWinController.xib */,
+				4654FD1313F267C900BE97F7 /* GetFrameImageView.h */,
+				4654FD1413F267C900BE97F7 /* GetFrameImageView.m */,
 			);
 			path = GetFrame;
 			sourceTree = "<group>";
@@ -177,6 +182,7 @@
 				4654F92713F10E2700BE97F7 /* main.m in Sources */,
 				4654F92D13F10E2700BE97F7 /* GetFrameAppDelegate.m in Sources */,
 				4654F93813F119D700BE97F7 /* GetFrameWinController.m in Sources */,
+				4654FD1513F267C900BE97F7 /* GetFrameImageView.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

diff --git a/GetFrame/GetFrameWinController.h b/GetFrame/GetFrameWinController.h
@@ -14,10 +14,14 @@
     IBOutlet NSImageView *_imageView;
     IBOutlet NSScrollView *_scrollView;
 
-
+    IBOutlet NSTextField *_label;
+    IBOutlet NSTextField *_field;
+
     //< For Zooming    
     NSSize _orgSize; //< Original Image Size
     float _zoomFactor;
+
+    NSTrackingRectTag _curTrackingArea;
 }
 
 - (IBAction)openImage:(id)sender;

diff --git a/GetFrame/GetFrameWinController.m b/GetFrame/GetFrameWinController.m
@@ -63,6 +63,12 @@ - (void)windowDidLoad
     _zoomFactor = 1.0f;
 
     [_scrollView setDocumentView:_imageView];
+
+    _curTrackingArea = [_imageView addTrackingRect:[_imageView bounds]
+                                             owner:self
+                                          userData:nil
+                                      assumeInside:YES];
+
 }
 
 - (IBAction)openImage:(id)sender {
@@ -95,13 +101,61 @@ - (IBAction)zoomIn:(id)sender {
     _zoomFactor = MIN(kMaxZoomFactor, 2 * _zoomFactor);    
 
     [self zoomView:_imageView withFactor:_zoomFactor];
+
+    [_imageView removeTrackingRect:_curTrackingArea];
+    [_imageView addTrackingRect:[_imageView bounds]
+                          owner:self
+                       userData:nil
+                   assumeInside:YES];
 }
 
 - (IBAction)zoomOut:(id)sender {
 
     _zoomFactor = MAX(kMinZoomFactor, _zoomFactor / 2.0f);    
 
     [self zoomView:_imageView withFactor:_zoomFactor];
+
+    [_imageView removeTrackingRect:_curTrackingArea];
+    [_imageView addTrackingRect:[_imageView bounds]
+                          owner:self
+                       userData:nil
+                   assumeInside:YES];
+}
+
+/////////////////////////////////////////////////////////////////////
+//< Events
+/////////////////////////////////////////////////////////////////////
+- (void)touchesBeganWithEvent:(NSEvent *)event {
+
+}
+
+- (void)touchesMovedWithEvent:(NSEvent *)event {
+
+}
+
+- (void)touchesEndedWithEvent:(NSEvent *)event {
+
+}
+
+- (void)mouseEntered:(NSEvent *)theEvent {
+    [[self window] setAcceptsMouseMovedEvents:YES];
+    [[NSCursor crosshairCursor] set];
+}
+
+- (void)mouseMoved:(NSEvent *)theEvent {
+    NSPoint pt = [theEvent locationInWindow];
+    NSLog(@"%f %f", pt.x, pt.y);
+    NSPoint newPt = [_imageView convertPointFromBase:pt];
+    NSLog(@"%f %f", newPt.x, newPt.y);
+}
+
+- (void)mouseDragged:(NSEvent *)theEvent {
+
+}
+
+- (void)mouseExited:(NSEvent *)theEvent {
+    [[self window] setAcceptsMouseMovedEvents:NO];
+    [[NSCursor arrowCursor] set];
 }
 
 @end
@@ -120,7 +174,8 @@ - (void)zoomView:(NSView *)view withFactor:(float)factor {
 
 - (void)adjustFrameForNewImage 
 {
-
+    NSRect rect = [[_imageView image] alignmentRect];
+    NSLog(@"%f %f %f %f", rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
 //    NSSize size = [[_imageView image] size];
 //    
 //    //< Keep the Left and Bottom Padding