* This change adds basic tab coloring support for favorites - ** POC / NEEDS REVIEW **

Known issues:
 * There might be additional colors be shown when dragging tabs between windows
 * The color set might need fine tuning
 * Coloring of items in the favorite outline view is not yet handled

4 files changed, 73 insertions, 8 deletions

diff --git a/Frameworks/PSMTabBar/PSMTabBarCell.h b/Frameworks/PSMTabBar/PSMTabBarCell.h
index 519c7ac4..6279355a 100644
--- a/Frameworks/PSMTabBar/PSMTabBarCell.h
+++ b/Frameworks/PSMTabBar/PSMTabBarCell.h
@@ -34,6 +34,7 @@
     NSInteger                 _count;
 	NSColor				*_countColor;
     BOOL                _isEdited;
+	NSColor             *_backgroundColor;
 }
 
 // creation/destruction
@@ -81,6 +82,8 @@
 - (void)setCurrentStep:(NSInteger)value;
 - (BOOL)isEdited;
 - (void)setIsEdited:(BOOL)value;
+- (void)setBackgroundColor:(NSColor *)aColor;
+- (NSColor *)backgroundColor;
 
 // component attributes
 - (NSRect)indicatorRectForFrame:(NSRect)cellFrame;
diff --git a/Frameworks/PSMTabBar/PSMTabBarCell.m b/Frameworks/PSMTabBar/PSMTabBarCell.m
index 94b22021..ab330c5c 100644
--- a/Frameworks/PSMTabBar/PSMTabBarCell.m
+++ b/Frameworks/PSMTabBar/PSMTabBarCell.m
@@ -37,6 +37,7 @@
 		_countColor = nil;
         _isEdited = NO;
         _isPlaceholder = NO;
+		_backgroundColor = nil;
     }
     return self;
 }
@@ -64,6 +65,7 @@
         _count = 0;
 		_countColor = nil;
         _isEdited = NO;
+		_backgroundColor = nil;
         
         if (value) {
             [self setCurrentStep:(kPSMTabDragAnimationSteps - 1)];
@@ -81,6 +83,7 @@
 	[_indicator removeFromSuperviewWithoutNeedingDisplay];
 
     [_indicator release];
+	[_backgroundColor release];
     [super dealloc];
 }
 
@@ -307,6 +310,17 @@
     //[_controlView update:[[self controlView] automaticallyAnimates]]; // binding notice is too fast
 }
 
+- (NSColor *)backgroundColor {
+	return _backgroundColor;
+}
+
+- (void)setBackgroundColor:(NSColor *)aColor
+{
+	[aColor retain];
+	[_backgroundColor release];
+	_backgroundColor = aColor;
+}
+
 #pragma mark -
 #pragma mark Bindings
 
diff --git a/Frameworks/PSMTabBar/PSMTabBarControl.m b/Frameworks/PSMTabBar/PSMTabBarControl.m
index 2cc9334a..7e8eae87 100644
--- a/Frameworks/PSMTabBar/PSMTabBarControl.m
+++ b/Frameworks/PSMTabBar/PSMTabBarControl.m
@@ -2125,6 +2125,7 @@
     
     // bind my string value to the label on the represented tab
     [cell bind:@"title" toObject:item withKeyPath:@"label" options:nil];
+	[cell bind:@"backgroundColor" toObject:item withKeyPath:@"color" options:nil];
 }
 
 - (NSMutableArray *)representedTabViewItems
diff --git a/Frameworks/PSMTabBar/Styles/PSMSequelProTabStyle.m b/Frameworks/PSMTabBar/Styles/PSMSequelProTabStyle.m
index 94b49254..995c6588 100644
--- a/Frameworks/PSMTabBar/Styles/PSMSequelProTabStyle.m
+++ b/Frameworks/PSMTabBar/Styles/PSMSequelProTabStyle.m
@@ -424,6 +424,32 @@
 	// fill in background of tab bar
 	[[NSColor colorWithCalibratedWhite:backgroundCalibratedWhite alpha:1.0f] set];
 	NSRectFillUsingOperation(rect, NSCompositeSourceAtop);
+	
+	//draw tab bar cells background color
+	NSColor *fillColor;
+	NSUInteger currentIndex = -1;
+	for (PSMTabBarCell *aCell in [tabBar cells]) {
+		currentIndex++;
+		//ignore tabs without color
+		if(![aCell backgroundColor])
+			continue;
+		// Set up colours
+		if (([[tabBar window] isMainWindow] || [[[tabBar window] attachedSheet] isMainWindow]) && [NSApp isActive]) {
+			//active window, background cell
+			fillColor = [[aCell backgroundColor] shadowWithLevel:0.15];
+		} else {
+			//background window, background cell
+			NSColor *dark = [[aCell backgroundColor] shadowWithLevel:0.15];
+			fillColor = [NSColor colorWithCalibratedHue:[dark hueComponent] saturation:[dark saturationComponent] brightness:([dark brightnessComponent] * 1.28) alpha:1.0f];
+		}
+		[fillColor set];
+		NSRect frame = [aCell frame];
+		//the leftmost cell has no left border when inactive so we need to expand it's area to the left window edge
+		if(currentIndex == 0 && [aCell state] == NSOffState) {
+			frame = NSMakeRect(frame.origin.x - kPSMSequelProTabCornerRadius, frame.origin.y, frame.size.width + kPSMSequelProTabCornerRadius + 0.5f, frame.size.height);
+		}
+		NSRectFillUsingOperation(frame, NSCompositeSourceAtop);
+	}
 
 	// Draw horizontal line across bottom edge, with a slight bottom glow
 	[[NSColor colorWithCalibratedWhite:lineCalibratedWhite alpha:1.0f] set];
@@ -507,26 +533,35 @@
 	// Set up colours
 	if (([[tabBar window] isMainWindow] || [[[tabBar window] attachedSheet] isMainWindow]) && [NSApp isActive]) {
 		lineColor = [NSColor darkGrayColor];
-		if ([cell state] == NSOnState) {
+		if ([cell state] == NSOnState) { //active window, active cell
 			float tabWhiteComponent = (systemVersion >= 0x1070)?0.63f:0.59f;
 			if (![[[tabBar window] toolbar] isVisible]) tabWhiteComponent += 0.02f;
-
-			fillColor = [NSColor colorWithCalibratedWhite:tabWhiteComponent alpha:1.0f];
+			
+			fillColor = [cell backgroundColor] ? [cell backgroundColor] : [NSColor colorWithCalibratedWhite:tabWhiteComponent alpha:1.0f];
 			shadowColor = [NSColor colorWithCalibratedWhite:0.0f alpha:0.7f];
-		} else {
-			fillColor = [NSColor colorWithCalibratedWhite:(systemVersion >= 0x1070)?0.55f:0.495f alpha:1.0f];		
+		} else { //active window, background cell
+			fillColor = [NSColor colorWithCalibratedWhite:(systemVersion >= 0x1070)?0.55f:0.495f alpha:1.0f];
+			if([cell backgroundColor])
+				//should be a slightly darker variant of the color
+				fillColor = [[cell backgroundColor] shadowWithLevel:0.15];
 			shadowColor = [NSColor colorWithCalibratedWhite:0.0f alpha:1.0f];
 		}
 	} else {
 		lineColor = [NSColor colorWithCalibratedWhite:0.49f alpha:1.0f];
-		if ([cell state] == NSOnState) {
+		if ([cell state] == NSOnState) { //background window, active cell
 			float tabWhiteComponent = (systemVersion >= 0x1070)?0.85f:0.81f;
 			if (![[[tabBar window] toolbar] isVisible]) tabWhiteComponent += 0.01f;
 
-			fillColor = [NSColor colorWithCalibratedWhite:tabWhiteComponent alpha:1.0f];
+			//create a slightly desaturated variant (gray can't be desaturated so we instead make it brighter)
+			fillColor = [cell backgroundColor] ? [NSColor colorWithCalibratedHue:[[cell backgroundColor] hueComponent] saturation:[[cell backgroundColor] saturationComponent] brightness:([[cell backgroundColor] brightnessComponent] * 1.28 ) alpha:1.0f] : [NSColor colorWithCalibratedWhite:tabWhiteComponent alpha:1.0f];
 			shadowColor = [NSColor colorWithCalibratedWhite:0.0f alpha:0.4f];
-		} else {
+		} else { //background window, background cell
 			fillColor = [NSColor colorWithCalibratedWhite:(systemVersion >= 0x1070)?0.79f:0.73f alpha:1.0f];
+			//make it dark first, then desaturate
+			if([cell backgroundColor]) {
+				NSColor *dark = [[cell backgroundColor] shadowWithLevel:0.15];
+				fillColor = [NSColor colorWithCalibratedHue:[dark hueComponent] saturation:[dark saturationComponent] brightness:([dark brightnessComponent] * 1.28) alpha:1.0f];
+			}
 			shadowColor = [NSColor colorWithCalibratedWhite:0.0f alpha:0.7f];
 		}
 	}
@@ -582,6 +617,18 @@
 	// Fill the tab with a solid colour
 	[fillColor set];
 	[fillBezier fill];
+	
+	//if we use a non-standard color draw a little highlight along the top edge
+	if([cell backgroundColor] && [cell state] == NSOnState) {
+		NSColor *highlightColor = [[cell backgroundColor] highlightWithLevel:0.5f];
+		[highlightColor set];
+		
+		NSBezierPath *highlightBezier = [NSBezierPath bezierPath];
+		[highlightBezier moveToPoint:NSMakePoint(aRect.origin.x, aRect.origin.y)];
+		[highlightBezier lineToPoint:NSMakePoint(aRect.origin.x+aRect.size.width, aRect.origin.y)];
+		[highlightBezier setLineWidth:1.0f];
+		[highlightBezier stroke];
+	}
 
 	// Re-stroke without shadow over the fill.
 	[lineColor set];