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authoravenjamin <avenjamin@gmail.com>2009-06-24 15:46:27 +0000
committeravenjamin <avenjamin@gmail.com>2009-06-24 15:46:27 +0000
commit5b05f3f15aa0676f91bc1d127d31f4fd95ef9f40 (patch)
treef0eaf423f2c13f2091fe9cfceaa2e0a6f2169723 /Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m
parent37bd86b2879c107ebb026954693540979cf25e2a (diff)
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- Changed the way the BWToolkit framework was included to allow modifications to be made easily.
- Fixed show/hide info pane toggle button image states to now show correctly
Diffstat (limited to 'Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m')
-rw-r--r--Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m251
1 files changed, 251 insertions, 0 deletions
diff --git a/Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m b/Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m
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+++ b/Frameworks/BWToolkitFramework.framework/BWTransparentScroller.m
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+//
+// BWTransparentScroller.m
+// BWToolkit
+//
+// Created by Brandon Walkin (www.brandonwalkin.com)
+// All code is provided under the New BSD license.
+//
+
+#import "BWTransparentScroller.h"
+
+// Vertical scroller
+static NSImage *knobTop, *knobVerticalFill, *knobBottom, *slotTop, *slotVerticalFill, *slotBottom;
+static float verticalPaddingLeft = 0.0;
+static float verticalPaddingRight = 1.0;
+static float verticalPaddingTop = 2.0;
+static float verticalPaddingBottom = 0.0;
+static float minKnobHeight;
+
+// Horizontal scroller
+static NSImage *knobLeft, *knobHorizontalFill, *knobRight, *slotLeft, *slotHorizontalFill, *slotRight;
+static float horizontalPaddingLeft = 2.0;
+static float horizontalPaddingRight = 2.0;
+static float horizontalPaddingTop = 0.0;
+static float horizontalPaddingBottom = 1.0;
+static float minKnobWidth;
+
+static NSColor *backgroundColor;
+
+@interface BWTransparentScroller (BWTSPrivate)
+- (void)drawKnobSlot;
+@end
+
+@interface NSScroller (BWTSPrivate)
+- (NSRect)_drawingRectForPart:(NSScrollerPart)aPart;
+@end
+
+@implementation BWTransparentScroller
+
++ (void)initialize
+{
+ NSBundle *bundle = [NSBundle bundleForClass:[BWTransparentScroller class]];
+
+ // Vertical scroller
+ knobTop = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobTop.tif"]];
+ knobVerticalFill = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobVerticalFill.tif"]];
+ knobBottom = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobBottom.tif"]];
+ slotTop = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotTop.tif"]];
+ slotVerticalFill = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotVerticalFill.tif"]];
+ slotBottom = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotBottom.tif"]];
+
+ // Horizontal scroller
+ knobLeft = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobLeft.tif"]];
+ knobHorizontalFill = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobHorizontalFill.tif"]];
+ knobRight = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerKnobRight.tif"]];
+ slotLeft = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotLeft.tif"]];
+ slotHorizontalFill = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotHorizontalFill.tif"]];
+ slotRight = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"TransparentScrollerSlotRight.tif"]];
+
+ backgroundColor = [[NSColor colorWithCalibratedWhite:0.13 alpha:0.855] retain];
+
+ minKnobHeight = knobTop.size.height + knobVerticalFill.size.height + knobBottom.size.height + 10;
+ minKnobWidth = knobLeft.size.width + knobHorizontalFill.size.width + knobRight.size.width + 10;
+}
+
+- (id)initWithFrame:(NSRect)frameRect;
+{
+ if (self = [super initWithFrame:frameRect])
+ {
+ [self setArrowsPosition:NSScrollerArrowsNone];
+
+ if ([self bounds].size.width / [self bounds].size.height < 1)
+ isVertical = YES;
+ else
+ isVertical = NO;
+ }
+
+ return self;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder;
+{
+ if (self = [super initWithCoder:decoder])
+ {
+ [self setArrowsPosition:NSScrollerArrowsNone];
+
+ if ([self bounds].size.width / [self bounds].size.height < 1)
+ isVertical = YES;
+ else
+ isVertical = NO;
+ }
+
+ return self;
+}
+
++ (CGFloat)scrollerWidth
+{
+ return slotVerticalFill.size.width + verticalPaddingLeft + verticalPaddingRight;
+}
+
++ (CGFloat)scrollerWidthForControlSize:(NSControlSize)controlSize
+{
+ return slotVerticalFill.size.width + verticalPaddingLeft + verticalPaddingRight;
+}
+
+- (void)drawRect:(NSRect)aRect;
+{
+ [backgroundColor set];
+ NSRectFill([self bounds]);
+
+ // Only draw if the slot is larger than the knob
+ if (isVertical && ([self bounds].size.height - verticalPaddingTop - verticalPaddingBottom + 1) > minKnobHeight)
+ {
+ [self drawKnobSlot];
+
+ if ([self knobProportion] > 0.0)
+ [self drawKnob];
+ }
+ else if (!isVertical && ([self bounds].size.width - horizontalPaddingLeft - horizontalPaddingRight + 1) > minKnobWidth)
+ {
+ [self drawKnobSlot];
+
+ if ([self knobProportion] > 0.0)
+ [self drawKnob];
+ }
+}
+
+- (void)drawKnobSlot;
+{
+ NSRect slotRect = [self rectForPart:NSScrollerKnobSlot];
+
+ if (isVertical)
+ NSDrawThreePartImage(slotRect, slotTop, slotVerticalFill, slotBottom, YES, NSCompositeSourceOver, 1, NO);
+ else
+ NSDrawThreePartImage(slotRect, slotLeft, slotHorizontalFill, slotRight, NO, NSCompositeSourceOver, 1, NO);
+}
+
+- (void)drawKnob;
+{
+ NSRect knobRect = [self rectForPart:NSScrollerKnob];
+
+ if (isVertical)
+ NSDrawThreePartImage(knobRect, knobTop, knobVerticalFill, knobBottom, YES, NSCompositeSourceOver, 1, NO);
+ else
+ NSDrawThreePartImage(knobRect, knobLeft, knobHorizontalFill, knobRight, NO, NSCompositeSourceOver, 1, NO);
+}
+
+- (NSRect)_drawingRectForPart:(NSScrollerPart)aPart;
+{
+ // Call super even though we're not using its value (has some side effects we need)
+ [super _drawingRectForPart:aPart];
+
+ // Return our own rects rather than use the default behavior
+ return [self rectForPart:aPart];
+}
+
+- (NSRect)rectForPart:(NSScrollerPart)aPart;
+{
+ switch (aPart)
+ {
+ case NSScrollerNoPart:
+ return [self bounds];
+ break;
+ case NSScrollerKnob:
+ {
+ NSRect knobRect;
+ NSRect slotRect = [self rectForPart:NSScrollerKnobSlot];
+
+ if (isVertical)
+ {
+ float knobHeight = roundf(slotRect.size.height * [self knobProportion]);
+
+ if (knobHeight < minKnobHeight)
+ knobHeight = minKnobHeight;
+
+ float knobY = slotRect.origin.y + roundf((slotRect.size.height - knobHeight) * [self floatValue]);
+ knobRect = NSMakeRect(verticalPaddingLeft, knobY, slotRect.size.width, knobHeight);
+ }
+ else
+ {
+ float knobWidth = roundf(slotRect.size.width * [self knobProportion]);
+
+ if (knobWidth < minKnobWidth)
+ knobWidth = minKnobWidth;
+
+ float knobX = slotRect.origin.x + roundf((slotRect.size.width - knobWidth) * [self floatValue]);
+ knobRect = NSMakeRect(knobX, horizontalPaddingTop, knobWidth, slotRect.size.height);
+ }
+
+ return knobRect;
+ }
+ break;
+ case NSScrollerKnobSlot:
+ {
+ NSRect slotRect;
+
+ if (isVertical)
+ slotRect = NSMakeRect(verticalPaddingLeft, verticalPaddingTop, [self bounds].size.width - verticalPaddingLeft - verticalPaddingRight, [self bounds].size.height - verticalPaddingTop - verticalPaddingBottom);
+ else
+ slotRect = NSMakeRect(horizontalPaddingLeft, horizontalPaddingTop, [self bounds].size.width - horizontalPaddingLeft - horizontalPaddingRight, [self bounds].size.height - horizontalPaddingTop - horizontalPaddingBottom);
+
+ return slotRect;
+ }
+ break;
+ case NSScrollerIncrementLine:
+ return NSZeroRect;
+ break;
+ case NSScrollerDecrementLine:
+ return NSZeroRect;
+ break;
+ case NSScrollerIncrementPage:
+ {
+ NSRect incrementPageRect;
+ NSRect knobRect = [self rectForPart:NSScrollerKnob];
+ NSRect slotRect = [self rectForPart:NSScrollerKnobSlot];
+ NSRect decPageRect = [self rectForPart:NSScrollerDecrementPage];
+
+ if (isVertical)
+ {
+ float knobY = knobRect.origin.y + knobRect.size.height;
+ incrementPageRect = NSMakeRect(verticalPaddingLeft, knobY, knobRect.size.width, slotRect.size.height - knobRect.size.height - decPageRect.size.height);
+ }
+ else
+ {
+ float knobX = knobRect.origin.x + knobRect.size.width;
+ incrementPageRect = NSMakeRect(knobX, horizontalPaddingTop, (slotRect.size.width + horizontalPaddingLeft) - knobX, knobRect.size.height);
+ }
+
+ return incrementPageRect;
+ }
+ break;
+ case NSScrollerDecrementPage:
+ {
+ NSRect decrementPageRect;
+ NSRect knobRect = [self rectForPart:NSScrollerKnob];
+
+ if (isVertical)
+ decrementPageRect = NSMakeRect(verticalPaddingLeft, verticalPaddingTop, knobRect.size.width, knobRect.origin.y - verticalPaddingTop);
+ else
+ decrementPageRect = NSMakeRect(horizontalPaddingLeft, horizontalPaddingTop, knobRect.origin.x - horizontalPaddingLeft, knobRect.size.height);
+
+ return decrementPageRect;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return NSZeroRect;
+}
+
+@end