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Factored drawing of gear icon into a separate method. Made tracking a…
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…rea always be applied to the view, and use it to make the gear icon appear only when the mouse is somewhere over the view.
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@mbaltaks
Otyr Ugla authored and mbaltaks committed May 27, 2009
1 parent f329529 commit 909dbed
Showing 1 changed file with 119 additions and 80 deletions.
199 changes: 119 additions & 80 deletions Plugin/Plugin.m
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,8 @@ - (void) _revertToOriginalOpacityAttributes;

- (void) _drawBackground;
- (BOOL) _isOptionPressed;
- (void) _addTrackingAreaForCTF;
- (void) _removeTrackingAreaForCTF;

- (void) _loadContent: (NSNotification*) notification;
- (void) _loadContentForWindow: (NSNotification*) notification;
Expand Down Expand Up @@ -320,13 +322,16 @@ - (id) initWithArguments:(NSDictionary *)arguments
}

[self setOriginalOpacityAttributes:originalOpacityDict];

[self _addTrackingAreaForCTF];
}

return self;
}

- (void) dealloc
{
[self _removeTrackingAreaForCTF];
[NSObject cancelPreviousPerformRequestsWithTarget:self];

[self _abortAlert]; // to be on the safe side
Expand Down Expand Up @@ -357,11 +362,14 @@ - (void) drawRect:(NSRect)rect
[self _drawBackground];
}

- (void) mouseDown:(NSEvent *)event
- (BOOL) _gearVisible
{
NSRect bounds = [ self bounds ];
float viewWidth = bounds.size.width;
float viewHeight = bounds.size.height;
return NSWidth( bounds ) > 32 && NSHeight( bounds ) > 32;
}

- (void) mouseDown:(NSEvent *)event
{
float margin = 5.0;
float gearImageHeight = 16.0;
float gearImageWidth = 16.0;
Expand All @@ -372,7 +380,8 @@ - (void) mouseDown:(NSEvent *)event
// if the view is 32 pixels or smaller in either direction,
// the gear image is not drawn, so we shouldn't pop-up the contextual
// menu on a single-click either
if ( (viewWidth > 32) && (viewHeight > 32) ) {
if ( [ self _gearVisible ] ) {
float viewHeight = NSHeight( [ self bounds ] );
NSPoint mouseLocation = [event locationInWindow];
NSPoint localMouseLocation = [self convertPoint:mouseLocation fromView:nil];

Expand All @@ -389,27 +398,11 @@ - (void) mouseDown:(NSEvent *)event
mouseIsDown = YES;
mouseInside = YES;
[self setNeedsDisplay:YES];

// Track the mouse so that we can undo our pressed-in look if the user drags the mouse outside the view, and reinstate it if the user drags it back in.
trackingArea = [NSClassFromString(@"NSTrackingArea") alloc];
if (trackingArea != nil)
{
[trackingArea initWithRect:[self bounds]
options:MATrackingMouseEnteredAndExited | MATrackingActiveInKeyWindow | MATrackingEnabledDuringMouseDrag
owner:self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
else
{
trackingArea = [NSClassFromString(@"MATrackingArea") alloc];
[trackingArea initWithRect:[self bounds]
options:MATrackingMouseEnteredAndExited | MATrackingActiveInKeyWindow | MATrackingEnabledDuringMouseDrag
owner:self
userInfo:nil];
[MATrackingArea addTrackingArea:trackingArea toView:self];
usingMATrackingArea = YES;
}
//[self _addTrackingAreaForCTF];
// Now that we track the mouse for mouse-over when the mouse is up
// for drawing the gear only on mouse-over, we don't need to add it here.
}
}

Expand All @@ -431,16 +424,9 @@ - (void) mouseUp:(NSEvent *)event
[self display];

// We're done tracking.
if (usingMATrackingArea)
{
[MATrackingArea removeTrackingArea:trackingArea fromView:self];
}
else
{
[self removeTrackingArea:trackingArea];
}
[trackingArea release];
trackingArea = nil;
//[self _removeTrackingAreaForCTF];
// Now that we track the mouse for mouse-over when the mouse is up
// for drawing the gear only on mouse-over, we don't remove it here.

if (mouseInside) {
if ([self _isOptionPressed] && ![self _isHostWhitelisted]) {
Expand Down Expand Up @@ -611,8 +597,6 @@ - (void) _drawBadgeWithPressed: (BOOL) pressed
// Set up for drawing.

NSRect bounds = [ self bounds ];
float viewWidth = bounds.size.width;
float viewHeight = bounds.size.height;

// How large would this text be?

Expand Down Expand Up @@ -645,15 +629,15 @@ - (void) _drawBadgeWithPressed: (BOOL) pressed

if( maxH + kMinMargin < kMinHeight )
return;

maxH = kMinHeight;
}

float scaleFactor = 1.0;

if( maxW < w )
scaleFactor = maxW / w;

if( maxH < h && maxH / h < scaleFactor )
scaleFactor = maxH / h;

Expand Down Expand Up @@ -689,55 +673,63 @@ - (void) _drawBadgeWithPressed: (BOOL) pressed

[ str drawAtPoint: loc withAttributes: attrs ];


// add the gear for the contextual menu, but only if the view is
// greater than a certain size

// de-apply the scaling factor first, otherwise drawing will be off
NSAffineTransform *xformTwo = [NSAffineTransform transform];
[xformTwo scaleBy: 1/scaleFactor];
[xformTwo concat];

if ((viewWidth > 32) && (viewHeight > 32)) {
float margin = 5.0;
NSImage *gearImage = [NSImage imageNamed:@"NSActionTemplate"];

NSColor *startingColor = [NSColor colorWithDeviceWhite:1.0 alpha:1.0];
NSColor *endingColor = [NSColor colorWithDeviceWhite:1.0 alpha:0.0];

NSPoint gearImageCenter = NSMakePoint(0 - viewWidth/2 + margin + [gearImage size].height/2,
viewHeight/2 - margin - [gearImage size].height/2);

id gradient = [NSClassFromString(@"NSGradient") alloc];
if (gradient != nil)
{
[gradient initWithStartingColor:startingColor endingColor:endingColor];

// draw gradient behind gear so that it's visible even on dark backgrounds
[gradient drawFromCenter:gearImageCenter
radius:0.0
toCenter:gearImageCenter
radius:[gearImage size].height/2*1.5
options:0];

[gradient release];
}

// draw the gear image
[gearImage drawAtPoint:NSMakePoint(0 - viewWidth/2 + margin,viewHeight/2 - margin - [gearImage size].height)
fromRect:NSZeroRect
operation:NSCompositeSourceOver
fraction:1.0];
}


// Now restore the graphics state:

CGContextEndTransparencyLayer( context );

[ NSGraphicsContext restoreGraphicsState ];
}

- (void) _drawGearIcon
{
// add the gear for the contextual menu, but only if the view is
// greater than a certain size

if ([self _gearVisible]) {
NSRect bounds = [ self bounds ];

float margin = 5.0;
NSImage *gearImage = [NSImage imageNamed:@"NSActionTemplate"];

if( gearImage ) {
CGContextRef context = [ [ NSGraphicsContext currentContext ] graphicsPort ];

CGContextSetAlpha( context, 0.25 );
CGContextBeginTransparencyLayer( context, nil );

NSPoint gearImageCenter = NSMakePoint(NSMinX( bounds ) + ( margin + [gearImage size].width/2 ),
NSMaxY( bounds ) - ( margin + [gearImage size].height/2 ));

id gradient = [NSClassFromString(@"NSGradient") alloc];
if (gradient != nil)
{
NSColor *startingColor = [NSColor colorWithDeviceWhite:1.0 alpha:1.0];
NSColor *endingColor = [NSColor colorWithDeviceWhite:1.0 alpha:0.0];

[gradient initWithStartingColor:startingColor endingColor:endingColor];

// draw gradient behind gear so that it's visible even on dark backgrounds
[gradient drawFromCenter:gearImageCenter
radius:0.0
toCenter:gearImageCenter
radius:[gearImage size].height/2*1.5
options:0];

[gradient release];
}

// draw the gear image
[gearImage drawAtPoint:NSMakePoint(gearImageCenter.x - [gearImage size].width/2,
gearImageCenter.y - [gearImage size].height/2)
fromRect:NSZeroRect
operation:NSCompositeSourceOver
fraction:1.0];

CGContextEndTransparencyLayer( context );
}
}
}

- (void) _drawBackground
{
NSRect selfBounds = [self bounds];
Expand Down Expand Up @@ -781,6 +773,53 @@ - (void) _drawBackground

// Draw label
[ self _drawBadgeWithPressed: mouseIsDown && mouseInside ];

// Draw the gear icon
if( mouseInside && !mouseIsDown )
[ self _drawGearIcon ];
}

- (void) _addTrackingAreaForCTF
{
if (trackingArea)
return;

trackingArea = [NSClassFromString(@"NSTrackingArea") alloc];
if (trackingArea != nil)
{
[trackingArea initWithRect:[self bounds]
options:MATrackingMouseEnteredAndExited | MATrackingActiveInKeyWindow | MATrackingEnabledDuringMouseDrag | MATrackingInVisibleRect
owner:self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
else
{
trackingArea = [NSClassFromString(@"MATrackingArea") alloc];
[trackingArea initWithRect:[self bounds]
options:MATrackingMouseEnteredAndExited | MATrackingActiveInKeyWindow | MATrackingEnabledDuringMouseDrag | MATrackingInVisibleRect
owner:self
userInfo:nil];
[MATrackingArea addTrackingArea:trackingArea toView:self];
usingMATrackingArea = YES;
}
}

- (void) _removeTrackingAreaForCTF
{
if (trackingArea)
{
if (usingMATrackingArea)
{
[MATrackingArea removeTrackingArea:trackingArea fromView:self];
}
else
{
[self removeTrackingArea:trackingArea];
}
[trackingArea release];
trackingArea = nil;
}
}


Expand Down

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