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SRRecorderControl.m
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//
// SRRecorderControl.m
// ShortcutRecorder
//
// Copyright 2006-2012 Contributors. All rights reserved.
//
// License: BSD
//
// Contributors:
// David Dauer
// Jesper
// Jamie Kirkpatrick
// Ilya Kulakov
#import "SRRecorderControl.h"
#import "SRKeyCodeTransformer.h"
#import "SRModifierFlagsTransformer.h"
NSString *const SRShortcutKeyCode = @"keyCode";
NSString *const SRShortcutModifierFlagsKey = @"modifierFlags";
NSString *const SRShortcutCharacters = @"characters";
NSString *const SRShortcutCharactersIgnoringModifiers = @"charactersIgnoringModifiers";
// Control Layout Constants
static const CGFloat _SRRecorderControlShapeXRadius = 11.0;
static const CGFloat _SRRecorderControlShapeYRadius = 12.0;
static const CGFloat _SRRecorderControlHeight = 25.0;
static const CGFloat _SRRecorderControlBottomShadowHeightInPixels = 1.0;
//static const CGFloat _SRRecorderControlBaselineOffset = 5.0;
// Clear Button Layout Constants
static const CGFloat _SRRecorderControlClearButtonWidth = 14.0;
static const CGFloat _SRRecorderControlClearButtonHeight = 14.0;
static const CGFloat _SRRecorderControlClearButtonRightOffset = 4.0;
static const CGFloat _SRRecorderControlClearButtonLeftOffset = 1.0;
static const NSSize _SRRecorderControlClearButtonSize = {.width = _SRRecorderControlClearButtonWidth, .height = _SRRecorderControlClearButtonHeight};
// SanpBack Button Layout Constants
static const CGFloat _SRRecorderControlSnapBackButtonWidth = 14.0;
static const CGFloat _SRRecorderControlSnapBackButtonHeight = 14.0;
static const CGFloat _SRRecorderControlSnapBackButtonRightOffset = 1.0;
static const CGFloat _SRRecorderControlSnapBackButtonLeftOffset = 3.0;
static const NSSize _SRRecorderControlSnapBackButtonSize = {.width = _SRRecorderControlSnapBackButtonWidth, .height = _SRRecorderControlSnapBackButtonHeight};
static NSImage *_SRImages[4];
static NSUInteger _SRValueObservationContext;
typedef NS_ENUM(NSUInteger, _SRRecorderControlButtonTag)
{
_SRRecorderControlInvalidButtonTag = -1,
_SRRecorderControlSnapBackButtonTag = 0,
_SRRecorderControlClearButtonTag = 1,
_SRRecorderControlMainButtonTag = 2
};
/*!
@brief Extracts value transformer from binding options.
@result Returns an instance of NSValueTransformer or nil if there is not transformer.
*/
static NSValueTransformer *_SRValueTransformerFromBindingOptions(NSDictionary *aBindingOptions)
{
NSValueTransformer *valueTransformer = aBindingOptions[NSValueTransformerBindingOption];
if (!valueTransformer || (NSNull *)valueTransformer == [NSNull null])
{
NSString *valueTransformerName = aBindingOptions[NSValueTransformerNameBindingOption];
if (valueTransformerName && (NSNull *)valueTransformerName != [NSNull null])
valueTransformer = [NSValueTransformer valueTransformerForName:valueTransformerName];
}
if ((NSNull *)valueTransformer != [NSNull null])
return valueTransformer;
else
return nil;
}
@implementation SRRecorderControl
{
NSTrackingArea *_mainButtonTrackingArea;
NSTrackingArea *_snapBackButtonTrackingArea;
NSTrackingArea *_clearButtonTrackingArea;
_SRRecorderControlButtonTag _mouseTrackingButtonTag;
NSToolTipTag _snapBackButtonToolTipTag;
NSMutableDictionary *_bindingInfo;
BOOL _shouldDrawBackground;
}
- (instancetype)initWithFrame:(NSRect)aFrameRect
{
self = [super initWithFrame:aFrameRect];
if (self)
{
_allowedModifierFlags = SRCocoaModifierFlagsMask;
_requiredModifierFlags = 0;
_allowsEmptyModifierFlags = NO;
_drawsASCIIEquivalentOfShortcut = YES;
_allowsEscapeToCancelRecording = YES;
_allowsDeleteToClearShortcutAndEndRecording = YES;
_mouseTrackingButtonTag = _SRRecorderControlInvalidButtonTag;
_snapBackButtonToolTipTag = NSIntegerMax;
_bindingInfo = [NSMutableDictionary dictionary];
_fontSize = 12.0;
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
{
self.translatesAutoresizingMaskIntoConstraints = NO;
[self setContentHuggingPriority:NSLayoutPriorityDefaultLow
forOrientation:NSLayoutConstraintOrientationHorizontal];
[self setContentHuggingPriority:NSLayoutPriorityRequired
forOrientation:NSLayoutConstraintOrientationVertical];
[self setContentCompressionResistancePriority:NSLayoutPriorityDefaultLow
forOrientation:NSLayoutConstraintOrientationHorizontal];
[self setContentCompressionResistancePriority:NSLayoutPriorityRequired
forOrientation:NSLayoutConstraintOrientationVertical];
}
NSString* sgwaesf = NSLocalizedStringFromTableInBundle(@"+ Shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
[self setToolTip:sgwaesf];
[self updateTrackingAreas];
}
return self;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[_bindingInfo unbind:NSValueBinding];
}
#pragma mark Properties
- (void)setAllowedModifierFlags:(NSUInteger)newAllowedModifierFlags
requiredModifierFlags:(NSUInteger)newRequiredModifierFlags
allowsEmptyModifierFlags:(BOOL)newAllowsEmptyModifierFlags
{
newAllowedModifierFlags &= SRCocoaModifierFlagsMask;
newRequiredModifierFlags &= SRCocoaModifierFlagsMask;
if ((newAllowedModifierFlags & newRequiredModifierFlags) != newRequiredModifierFlags)
{
[NSException raise:NSInvalidArgumentException
format:@"Required flags (%lu) MUST be allowed (%lu)", newAllowedModifierFlags, newRequiredModifierFlags];
}
if (newAllowsEmptyModifierFlags && newRequiredModifierFlags != 0)
{
[NSException raise:NSInvalidArgumentException
format:@"Empty modifier flags MUST be disallowed if required modifier flags are not empty."];
}
_allowedModifierFlags = newAllowedModifierFlags;
_requiredModifierFlags = newRequiredModifierFlags;
_allowsEmptyModifierFlags = newAllowsEmptyModifierFlags;
}
- (void)setObjectValue:(NSDictionary *)newObjectValue
{
// Cocoa KVO and KVC frequently uses NSNull as object substituation of nil.
// SRRecorderControl expects either nil or valid object value, it it's convenient
// to handle handle NSNull here and convert it into nil.
if ((NSNull *)newObjectValue == [NSNull null])
newObjectValue = nil;
_objectValue = [newObjectValue copy];
if (!self.isRecording)
{
NSAccessibilityPostNotification(self, NSAccessibilityTitleChangedNotification);
[self setNeedsDisplay:YES];
}
}
#pragma mark Methods
- (BOOL)beginRecording
{
if (self.isRecording)
return YES;
[self setNeedsDisplay:YES];
if ([self.delegate respondsToSelector:@selector(shortcutRecorderShouldBeginRecording:)])
{
if (![self.delegate shortcutRecorderShouldBeginRecording:self])
{
NSBeep();
return NO;
}
}
[self willChangeValueForKey:@"isRecording"];
_isRecording = YES;
[self didChangeValueForKey:@"isRecording"];
[self updateTrackingAreas];
[self setToolTip:NSLocalizedStringFromTableInBundle(@"Type shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil)];
NSAccessibilityPostNotification(self, NSAccessibilityTitleChangedNotification);
return YES;
}
- (void)endRecording
{
[self endRecordingWithObjectValue:self.objectValue];
}
- (void)clearAndEndRecording
{
[self endRecordingWithObjectValue:nil];
}
- (void)endRecordingWithObjectValue:(NSDictionary *)anObjectValue
{
if (!self.isRecording)
return;
[self willChangeValueForKey:@"isRecording"];
_isRecording = NO;
[self didChangeValueForKey:@"isRecording"];
NSDictionary *valueBindingInfo = _bindingInfo[NSValueBinding];
if (valueBindingInfo)
{
NSValueTransformer *transformer = _SRValueTransformerFromBindingOptions(valueBindingInfo);
if ([[transformer class] allowsReverseTransformation])
{
[valueBindingInfo[NSObservedObjectKey] setValue:[transformer reverseTransformedValue:anObjectValue]
forKeyPath:valueBindingInfo[NSObservedKeyPathKey]];
}
else
[valueBindingInfo[NSObservedObjectKey] setValue:anObjectValue forKeyPath:valueBindingInfo[NSObservedKeyPathKey]];
// objectValue will be set in -observeValueForKeyPath:ofObject:change:context:
}
else
self.objectValue = anObjectValue;
[self updateTrackingAreas];
[self setToolTip:NSLocalizedStringFromTableInBundle(@"+ Shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil)];
[self setNeedsDisplay:YES];
NSAccessibilityPostNotification(self, NSAccessibilityTitleChangedNotification);
if (self.window.firstResponder == self && ![self canBecomeKeyView])
[self.window makeFirstResponder:nil];
if ([self.delegate respondsToSelector:@selector(shortcutRecorderDidEndRecording:)])
[self.delegate shortcutRecorderDidEndRecording:self];
}
#pragma mark -
- (NSBezierPath *)controlShape
{
NSRect shapeBounds = self.bounds;
shapeBounds.size.height = _SRRecorderControlHeight - self.alignmentRectInsets.bottom;
shapeBounds = NSInsetRect(shapeBounds, 1.0, 1.0);
return [NSBezierPath bezierPathWithRoundedRect:shapeBounds
xRadius:_SRRecorderControlShapeXRadius
yRadius:_SRRecorderControlShapeYRadius];
}
- (NSRect)rectForLabel:(NSString *)aLabel withAttributes:(NSDictionary *)anAttributes
{
NSSize labelSize = [aLabel sizeWithAttributes:anAttributes];
NSRect enclosingRect = NSInsetRect(self.bounds, _SRRecorderControlShapeXRadius, 0.0);
labelSize.width = fmin(ceil(labelSize.width), NSWidth(enclosingRect));
labelSize.height = ceil(labelSize.height);
CGFloat fontBaselineOffsetFromTop = labelSize.height + [anAttributes[NSFontAttributeName] descender];
CGFloat baselineOffsetFromTop = _SRRecorderControlHeight - self.baselineOffsetFromBottom;
NSRect labelRect = {
.origin = NSMakePoint(NSMidX(enclosingRect) - labelSize.width / 2.0, baselineOffsetFromTop - fontBaselineOffsetFromTop),
.size = labelSize
};
labelRect = [self centerScanRect:labelRect];
// Ensure label and buttons do not overlap.
if (self.isRecording)
{
CGFloat rightOffsetFromButtons = NSMinX(self.snapBackButtonRect) - NSMaxX(labelRect);
if (rightOffsetFromButtons < 0.0)
{
labelRect = NSOffsetRect(labelRect, rightOffsetFromButtons, 0.0);
if (NSMinX(labelRect) < NSMinX(enclosingRect))
{
labelRect.size.width -= NSMinX(enclosingRect) - NSMinX(labelRect);
labelRect.origin.x = NSMinX(enclosingRect);
}
}
}
return labelRect;
}
- (NSRect)snapBackButtonRect
{
NSRect clearButtonRect = self.clearButtonRect;
NSRect bounds = self.bounds;
NSRect snapBackButtonRect = NSZeroRect;
snapBackButtonRect.origin.x = NSMinX(clearButtonRect) - _SRRecorderControlSnapBackButtonRightOffset - _SRRecorderControlSnapBackButtonSize.width - _SRRecorderControlSnapBackButtonLeftOffset;
snapBackButtonRect.origin.y = NSMinY(bounds);
snapBackButtonRect.size.width = fdim(NSMinX(clearButtonRect), NSMinX(snapBackButtonRect));
snapBackButtonRect.size.height = _SRRecorderControlHeight;
return snapBackButtonRect;
}
- (NSRect)clearButtonRect
{
NSRect bounds = self.bounds;
if ([self.objectValue count])
{
NSRect clearButtonRect = NSZeroRect;
clearButtonRect.origin.x = NSMaxX(bounds) - _SRRecorderControlClearButtonRightOffset - _SRRecorderControlClearButtonSize.width - _SRRecorderControlClearButtonLeftOffset;
clearButtonRect.origin.y = NSMinY(bounds);
clearButtonRect.size.width = fdim(NSMaxX(bounds), NSMinX(clearButtonRect));
clearButtonRect.size.height = _SRRecorderControlHeight;
return clearButtonRect;
}
else
{
return NSMakeRect(NSMaxX(bounds) - _SRRecorderControlClearButtonRightOffset - _SRRecorderControlClearButtonLeftOffset,
NSMinY(bounds),
0.0,
_SRRecorderControlHeight);
}
}
#pragma mark -
- (NSString *)label
{
NSString *label = nil;
if (self.isRecording)
{
NSUInteger modifierFlags = [NSEvent modifierFlags] & self.allowedModifierFlags;
if (modifierFlags)
label = [[SRModifierFlagsTransformer sharedTransformer] transformedValue:@(modifierFlags)];
else
label = self.stringValue;
if (![label length])
label = NSLocalizedStringFromTableInBundle(@"Type shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
}
else
{
label = self.stringValue;
if (![label length])
label = NSLocalizedStringFromTableInBundle(@"+ Shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
}
return label;
}
- (NSString *)accessibilityLabel
{
NSString *label = nil;
if (self.isRecording)
{
NSUInteger modifierFlags = [NSEvent modifierFlags] & self.allowedModifierFlags;
label = [[SRModifierFlagsTransformer sharedPlainTransformer] transformedValue:@(modifierFlags)];
if (![label length])
label = NSLocalizedStringFromTableInBundle(@"Type shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
}
else
{
label = self.accessibilityStringValue;
if (![label length])
label = NSLocalizedStringFromTableInBundle(@"+ Shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
}
return label;
}
- (NSString *)stringValue
{
if (![self.objectValue count])
return nil;
NSString *f = [[SRModifierFlagsTransformer sharedTransformer] transformedValue:self.objectValue[SRShortcutModifierFlagsKey]];
SRKeyCodeTransformer *transformer = nil;
if (self.drawsASCIIEquivalentOfShortcut)
transformer = [SRKeyCodeTransformer sharedPlainASCIITransformer];
else
transformer = [SRKeyCodeTransformer sharedPlainTransformer];
NSString *c = [transformer transformedValue:self.objectValue[SRShortcutKeyCode]];
if (![transformer isKeyCodeSpecial:[self.objectValue[SRShortcutKeyCode] unsignedShortValue]])
c = [c uppercaseString];
return [NSString stringWithFormat:@"%@%@", f, c];
}
- (NSString *)accessibilityStringValue
{
if (![self.objectValue count])
return nil;
NSString *f = [[SRModifierFlagsTransformer sharedPlainTransformer] transformedValue:self.objectValue[SRShortcutModifierFlagsKey]];
NSString *c = nil;
if (self.drawsASCIIEquivalentOfShortcut)
c = [[SRKeyCodeTransformer sharedPlainASCIITransformer] transformedValue:self.objectValue[SRShortcutKeyCode]];
else
c = [[SRKeyCodeTransformer sharedPlainTransformer] transformedValue:self.objectValue[SRShortcutKeyCode]];
if ([f length] > 0)
return [NSString stringWithFormat:@"%@-%@", f, c];
else
return [NSString stringWithFormat:@"%@", c];
}
- (NSDictionary *)labelAttributes
{
return self.isRecording ? [self recordingLabelAttributes] : [self normalLabelAttributes];
}
- (NSDictionary *)normalLabelAttributes
{
static dispatch_once_t OnceToken;
static NSDictionary *NormalAttributes = nil;
static NSMutableParagraphStyle *p = nil;
dispatch_once(&OnceToken, ^{
p = [[NSMutableParagraphStyle alloc] init];
p.alignment = NSTextAlignmentCenter;
p.lineBreakMode = NSLineBreakByTruncatingTail;
p.baseWritingDirection = NSWritingDirectionLeftToRight;
});
if ( !self.labelColor )
{
_labelColor = [NSColor controlTextColor];
}
NormalAttributes = @{
NSParagraphStyleAttributeName: p,
NSFontAttributeName: [NSFont labelFontOfSize:self.fontSize],
NSForegroundColorAttributeName:_labelColor
};
return NormalAttributes;
}
- (NSDictionary *)recordingLabelAttributes
{
static dispatch_once_t OnceToken;
static NSDictionary *RecordingAttributes = nil;
dispatch_once(&OnceToken, ^{
NSMutableParagraphStyle *p = [[NSMutableParagraphStyle alloc] init];
p.alignment = NSTextAlignmentCenter;
p.lineBreakMode = NSLineBreakByTruncatingTail;
p.baseWritingDirection = NSWritingDirectionLeftToRight;
RecordingAttributes = @{
NSParagraphStyleAttributeName: [p copy],
NSFontAttributeName: [NSFont labelFontOfSize:self.fontSize],
NSForegroundColorAttributeName: [NSColor disabledControlTextColor]
};
});
return RecordingAttributes;
}
#pragma mark -
- (void)drawBackground:(NSRect)aDirtyRect
{
[NSGraphicsContext saveGraphicsState];
NSRect frame = self.bounds;
frame.size.height = _SRRecorderControlHeight;
CGFloat corner = frame.size.height / 2;
frame = NSInsetRect(frame, 1, 1);
NSBezierPath* path = [NSBezierPath bezierPathWithRoundedRect:frame xRadius:corner yRadius:corner];
path.lineWidth = 1;
[[NSColor controlColor] setFill];
[[NSColor grayColor] setStroke];
[path fill];
[path stroke];
[NSGraphicsContext restoreGraphicsState];
}
- (void)drawInterior:(NSRect)aDirtyRect
{
[self drawLabel:aDirtyRect];
if (self.isRecording)
{
[self drawSnapBackButton:aDirtyRect];
[self drawClearButton:aDirtyRect];
}
}
- (void)drawLabel:(NSRect)aDirtyRect
{
NSString *label = self.label;
NSDictionary *labelAttributes = self.labelAttributes;
NSRect labelRect = [self rectForLabel:label withAttributes:labelAttributes];
if (!NSIntersectsRect(labelRect, aDirtyRect))
return;
[NSGraphicsContext saveGraphicsState];
[label drawInRect:labelRect withAttributes:labelAttributes];
[NSGraphicsContext restoreGraphicsState];
}
- (void)drawSnapBackButton:(NSRect)aDirtyRect
{
NSRect imageRect = self.snapBackButtonRect;
imageRect.origin.x += _SRRecorderControlSnapBackButtonLeftOffset;
imageRect.origin.y += floor(self.alignmentRectInsets.top + (NSHeight(imageRect) - _SRRecorderControlSnapBackButtonSize.height) / 2.0);
imageRect.size = _SRRecorderControlSnapBackButtonSize;
imageRect = [self centerScanRect:imageRect];
if (!NSIntersectsRect(imageRect, aDirtyRect))
return;
[NSGraphicsContext saveGraphicsState];
if (self.isSnapBackButtonHighlighted)
{
[_SRImages[2] drawInRect:imageRect
fromRect:NSZeroRect
operation:NSCompositingOperationSourceOver
fraction:1.0];
}
else
{
[_SRImages[3] drawInRect:imageRect
fromRect:NSZeroRect
operation:NSCompositingOperationSourceOver
fraction:1.0];
}
[NSGraphicsContext restoreGraphicsState];
}
- (void)drawClearButton:(NSRect)aDirtyRect
{
NSRect imageRect = self.clearButtonRect;
// If there is no reason to draw clear button (e.g. no shortcut was set)
// rect will have empty width.
if (NSWidth(imageRect) == 0.0)
return;
imageRect.origin.x += _SRRecorderControlClearButtonLeftOffset;
imageRect.origin.y += floor(self.alignmentRectInsets.top + (NSHeight(imageRect) - _SRRecorderControlClearButtonSize.height) / 2.0);
imageRect.size = _SRRecorderControlClearButtonSize;
imageRect = [self centerScanRect:imageRect];
if (!NSIntersectsRect(imageRect, aDirtyRect))
return;
[NSGraphicsContext saveGraphicsState];
if (self.isClearButtonHighlighted)
{
[_SRImages[0] drawInRect:imageRect
fromRect:NSZeroRect
operation:NSCompositingOperationSourceOver
fraction:1.0];
}
else
{
[_SRImages[1] drawInRect:imageRect
fromRect:NSZeroRect
operation:NSCompositingOperationSourceOver
fraction:1.0];
}
[NSGraphicsContext restoreGraphicsState];
}
#pragma mark -
- (BOOL)isMainButtonHighlighted
{
if (_mouseTrackingButtonTag == _SRRecorderControlMainButtonTag)
{
NSPoint locationInView = [self convertPoint:self.window.mouseLocationOutsideOfEventStream
fromView:nil];
return [self mouse:locationInView inRect:self.bounds];
}
else
return NO;
}
- (BOOL)isSnapBackButtonHighlighted
{
if (_mouseTrackingButtonTag == _SRRecorderControlSnapBackButtonTag)
{
NSPoint locationInView = [self convertPoint:self.window.mouseLocationOutsideOfEventStream
fromView:nil];
return [self mouse:locationInView inRect:self.snapBackButtonRect];
}
else
return NO;
}
- (BOOL)isClearButtonHighlighted
{
if (_mouseTrackingButtonTag == _SRRecorderControlClearButtonTag)
{
NSPoint locationInView = [self convertPoint:self.window.mouseLocationOutsideOfEventStream
fromView:nil];
return [self mouse:locationInView inRect:self.clearButtonRect];
}
else
return NO;
}
- (BOOL)areModifierFlagsValid:(NSUInteger)aModifierFlags
{
aModifierFlags &= SRCocoaModifierFlagsMask;
if (aModifierFlags == 0 && !self.allowsEmptyModifierFlags)
return NO;
else if ((aModifierFlags & self.requiredModifierFlags) != self.requiredModifierFlags)
return NO;
else if ((aModifierFlags & self.allowedModifierFlags) != aModifierFlags)
return NO;
else
return YES;
}
#pragma mark NSAccessibility
- (BOOL)accessibilityIsIgnored
{
return NO;
}
- (NSArray *)accessibilityAttributeNames
{
static NSArray *AttributeNames = nil;
static dispatch_once_t OnceToken;
dispatch_once(&OnceToken, ^
{
AttributeNames = [[super accessibilityAttributeNames] mutableCopy];
NSArray *newAttributes = @[
NSAccessibilityRoleAttribute,
NSAccessibilityTitleAttribute
];
for (NSString *attributeName in newAttributes)
{
if (![AttributeNames containsObject:attributeName])
[(NSMutableArray *)AttributeNames addObject:attributeName];
}
AttributeNames = [AttributeNames copy];
});
return AttributeNames;
}
- (id)accessibilityAttributeValue:(NSString *)anAttributeName
{
if ([anAttributeName isEqualToString:NSAccessibilityRoleAttribute])
return NSAccessibilityButtonRole;
else if ([anAttributeName isEqualToString:NSAccessibilityTitleAttribute])
return self.accessibilityLabel;
else
return [super accessibilityAttributeValue:anAttributeName];
}
- (NSArray *)accessibilityActionNames
{
static NSArray *ActionNames = nil;
static dispatch_once_t OnceToken;
dispatch_once(&OnceToken, ^
{
ActionNames = @[
NSAccessibilityPressAction,
NSAccessibilityCancelAction,
NSAccessibilityDeleteAction
];
});
return ActionNames;
}
- (NSString *)accessibilityActionDescription:(NSString *)anAction
{
return NSAccessibilityActionDescription(anAction);
}
- (void)accessibilityPerformAction:(NSString *)anAction
{
if ([anAction isEqualToString:NSAccessibilityPressAction])
[self beginRecording];
else if (self.isRecording && [anAction isEqualToString:NSAccessibilityCancelAction])
[self endRecording];
else if (self.isRecording && [anAction isEqualToString:NSAccessibilityDeleteAction])
[self clearAndEndRecording];
}
#pragma mark NSKeyValueBindingCreation
- (Class)valueClassForBinding:(NSString *)aBinding
{
if ([aBinding isEqualToString:NSValueBinding])
return [NSDictionary class];
else
return [super valueClassForBinding:aBinding];
}
- (void)bind:(NSString *)aBinding toObject:(id)anObservable withKeyPath:(NSString *)aKeyPath options:(NSDictionary *)anOptions
{
if ([aBinding isEqualToString:NSValueBinding])
{
[self unbind:aBinding];
[anObservable addObserver:self
forKeyPath:aKeyPath
options:0
context:&_SRValueObservationContext];
_bindingInfo[aBinding] = @{
NSObservedObjectKey: anObservable,
NSObservedKeyPathKey: [aKeyPath copy],
NSOptionsKey: [NSDictionary dictionaryWithDictionary:anOptions]
};
self.objectValue = [anObservable valueForKeyPath:aKeyPath];
// This method is typically called when view is not presented to a user.
// If'd use -setNeedsDisplay:, the user may notice flickering when window with view is shown first time.
// Therefore ensure view is shown with correct value drawn by -displayIfNeeded
[self displayIfNeeded];
}
else
[super bind:aBinding toObject:anObservable withKeyPath:aKeyPath options:anOptions];
}
- (NSDictionary *)infoForBinding:(NSString *)aBinding
{
NSDictionary *info = _bindingInfo[aBinding];
if (!info)
info = [super infoForBinding:aBinding];
return info;
}
- (void)unbind:(NSString *)aBinding
{
if ([aBinding isEqualToString:NSValueBinding])
{
NSDictionary *valueBindingInfo = _bindingInfo[NSValueBinding];
if (valueBindingInfo)
{
if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_6)
[valueBindingInfo[NSObservedObjectKey] removeObserver:self forKeyPath:valueBindingInfo[NSObservedKeyPathKey]];
else
[valueBindingInfo[NSObservedObjectKey] removeObserver:self forKeyPath:valueBindingInfo[NSObservedKeyPathKey] context:&_SRValueObservationContext];
[_bindingInfo removeObjectForKey:NSValueBinding];
}
}
else
[super unbind:aBinding];
}
#pragma mark NSToolTipOwner
- (NSString *)view:(NSView *)aView stringForToolTip:(NSToolTipTag)aTag point:(NSPoint)aPoint userData:(void *)aData
{
if (aTag == _snapBackButtonToolTipTag)
return NSLocalizedStringFromTableInBundle(@"Use old shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil);
else
return [super view:aView stringForToolTip:aTag point:aPoint userData:aData];
}
#pragma mark NSView
- (BOOL)isOpaque
{
return NO;
}
- (BOOL)isFlipped
{
return YES;
}
- (void)viewWillDraw
{
[super viewWillDraw];
static dispatch_once_t OnceToken;
dispatch_once(&OnceToken, ^{
_SRImages[0] = SRImage(@"shortcut-recorder-clear-highlighted");
_SRImages[1] = SRImage(@"shortcut-recorder-clear");
_SRImages[2] = SRImage(@"shortcut-recorder-snapback-highlighted");
_SRImages[3] = SRImage(@"shortcut-recorder-snapback");
});
}
- (void)drawRect:(NSRect)aDirtyRect
{
if (_shouldDrawBackground || !_borderlessButton)
{
[self drawBackground:aDirtyRect];
}
[self drawInterior:aDirtyRect];
if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_6)
{
if (self.window.firstResponder == self)
{
[NSGraphicsContext saveGraphicsState];
NSSetFocusRingStyle(NSFocusRingOnly);
[self.controlShape fill];
[NSGraphicsContext restoreGraphicsState];
}
}
}
- (void)drawFocusRingMask
{
if (self.window.firstResponder == self)
[self.controlShape fill];
}
- (NSRect)focusRingMaskBounds
{
if (self.window.firstResponder == self)
return self.controlShape.bounds;
else
return NSZeroRect;
}
- (NSEdgeInsets)alignmentRectInsets
{
if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_6 || self.window == nil)
return NSEdgeInsetsMake(0.0, 0.0, _SRRecorderControlBottomShadowHeightInPixels, 0.0);
else
return NSEdgeInsetsMake(0.0, 0.0, _SRRecorderControlBottomShadowHeightInPixels / self.window.backingScaleFactor, 0.0);
}
- (CGFloat)baselineOffsetFromBottom
{
// True method to calculate is presented above. Unfortunately Cocoa implementation of Mac OS X 10.8.2 expects this value to be persistant.
// If baselineOffsetFromBottom depends on some other properties and may return different values for different calls,
// NSLayoutFormatAlignAllBaseline may not work. For this reason we return the constant.
// If you're going to change layout of the view, uncomment the line below, look what it typically returns and update the constant.
// TODO: Hopefully it will be fixed some day in Cocoa and therefore in SRRecorderControl.
// CGFloat baseline = fdim(NSHeight(self.bounds), _SRRecorderControlHeight) + floor(_SRRecorderControlBaselineOffset - [self.labelAttributes[NSFontAttributeName] descender]);
return 8.0;
}
- (NSSize)intrinsicContentSize
{
return NSMakeSize(NSWidth([self rectForLabel:NSLocalizedStringFromTableInBundle(@"+ Shortcut",
@"ShortcutRecorder",
[NSBundle bundleWithIdentifier:SRBundleIdentifier],
nil) withAttributes:self.normalLabelAttributes]) + _SRRecorderControlShapeXRadius + _SRRecorderControlShapeXRadius,
_SRRecorderControlHeight);
}
- (void)updateTrackingAreas
{
NSUInteger TrackingOptions = NSTrackingMouseEnteredAndExited | NSTrackingActiveWhenFirstResponder | NSTrackingEnabledDuringMouseDrag;
if (_borderlessButton)
TrackingOptions = NSTrackingMouseEnteredAndExited | NSTrackingActiveAlways | NSTrackingEnabledDuringMouseDrag;
if (_mainButtonTrackingArea)
[self removeTrackingArea:_mainButtonTrackingArea];
_mainButtonTrackingArea = [[NSTrackingArea alloc] initWithRect:self.bounds
options:TrackingOptions
owner:self
userInfo:nil];
[self addTrackingArea:_mainButtonTrackingArea];
if (_snapBackButtonTrackingArea)
{
[self removeTrackingArea:_snapBackButtonTrackingArea];
_snapBackButtonTrackingArea = nil;
}
if (_clearButtonTrackingArea)
{
[self removeTrackingArea:_clearButtonTrackingArea];
_clearButtonTrackingArea = nil;
}
if (_snapBackButtonToolTipTag != NSIntegerMax)
{
[self removeToolTip:_snapBackButtonToolTipTag];
_snapBackButtonToolTipTag = NSIntegerMax;
}
if (self.isRecording)
{
_snapBackButtonTrackingArea = [[NSTrackingArea alloc] initWithRect:self.snapBackButtonRect
options:TrackingOptions
owner:self
userInfo:nil];
[self addTrackingArea:_snapBackButtonTrackingArea];
_clearButtonTrackingArea = [[NSTrackingArea alloc] initWithRect:self.clearButtonRect
options:TrackingOptions
owner:self
userInfo:nil];
[self addTrackingArea:_clearButtonTrackingArea];
// Since this method is used to set up tracking rects of aux buttons, the rest of the code is aware
// it should be called whenever geometry or apperance changes. Therefore it's a good place to set up tooltip rects.
_snapBackButtonToolTipTag = [self addToolTipRect:[_snapBackButtonTrackingArea rect] owner:self userData:NULL];
}
}
- (void)viewWillMoveToWindow:(NSWindow *)aWindow
{
// We want control to end recording whenever window resigns first responder status.
// Otherwise we could end up with "dangling" recording.
if (self.window)
{
[[NSNotificationCenter defaultCenter] removeObserver:self