X-Git-Url: http://git.ithinksw.org/ITKit.git/blobdiff_plain/d9649564199a7220e70716aa0999c6fddb0efadc..5815231d5a35ca9ff5fbdb33b1ec2819850afde2:/ITHotKeyCenter.m?ds=inline

diff --git a/ITHotKeyCenter.m b/ITHotKeyCenter.m
old mode 100755
new mode 100644
index ad9c31d..366f15d
--- a/ITHotKeyCenter.m
+++ b/ITHotKeyCenter.m
@@ -1,265 +1,220 @@
-//
-//  ITHotKeyCenter.m
-//
-//  Created by Quentin Carnicelli on Sat Aug 02 2003.
-//  Copyright (c) 2003 iThink Software. All rights reserved.
-//
-
 #import "ITHotKeyCenter.h"
 #import "ITHotKey.h"
 #import "ITKeyCombo.h"
 #import <Carbon/Carbon.h>
 
-#if __PROTEIN__
-#import "NSObjectAdditions.h"
-#endif
-
 @interface ITHotKeyCenter (Private)
 - (BOOL)_hasCarbonEventSupport;
 
-- (ITHotKey*)_hotKeyForCarbonHotKey: (EventHotKeyRef)carbonHotKey;
-- (EventHotKeyRef)_carbonHotKeyForHotKey: (ITHotKey*)hotKey;
+- (ITHotKey *)_hotKeyForCarbonHotKey:(EventHotKeyRef)carbonHotKey;
+- (EventHotKeyRef)_carbonHotKeyForHotKey:(ITHotKey *)hotKey;
 
 - (void)_updateEventHandler;
-- (void)_hotKeyDown: (ITHotKey*)hotKey;
-- (void)_hotKeyUp: (ITHotKey*)hotKey;
-static OSStatus hotKeyEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void* refCon );
+- (void)_hotKeyDown:(ITHotKey *)hotKey;
+- (void)_hotKeyUp:(ITHotKey *)hotKey;
+
+static OSStatus hotKeyEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void *refCon);
 @end
 
 @implementation ITHotKeyCenter
 
-static id _sharedHotKeyCenter = nil;
+static ITHotKeyCenter *_sharedHotKeyCenter = nil;
 
-+ (id)sharedCenter
-{
-	if( _sharedHotKeyCenter == nil )
-	{
++ (id)sharedCenter {
+	if (!_sharedHotKeyCenter) {
 		_sharedHotKeyCenter = [[self alloc] init];
-		#if __PROTEIN__
-			[_sharedHotKeyCenter releaseOnTerminate];
-		#endif
 	}
-	
 	return _sharedHotKeyCenter;
 }
 
-- (id)init
-{
-	self = [super init];
-	
-	if( self )
-	{
+- (id)init {
+	if ((self = [super init])) {
 		mHotKeys = [[NSMutableDictionary alloc] init];
+		_enabled = YES;
 	}
-	
 	return self;
 }
 
-- (void)dealloc
-{
+- (void)dealloc {
 	[mHotKeys release];
 	[super dealloc];
 }
 
-#pragma mark -
+- (BOOL)isEnabled {
+	return _enabled;
+}
 
-- (BOOL)registerHotKey: (ITHotKey*)hotKey
-{
-	OSStatus err;
+- (void)setEnabled:(BOOL)flag {
+	_enabled = flag;
+}
+
+- (BOOL)registerHotKey:(ITHotKey *)hotKey {
 	EventHotKeyID hotKeyID;
 	EventHotKeyRef carbonHotKey;
-	NSValue* key;
-
-	if( [[self allHotKeys] containsObject: hotKey] == YES )
-		[self unregisterHotKey: hotKey];
+	NSValue *key;
+	
+	if ([[self allHotKeys] containsObject:hotKey]) {
+		[self unregisterHotKey:hotKey];
+	}
 	
-	if( [[hotKey keyCombo] isValidHotKeyCombo] == NO )
+	if (![[hotKey keyCombo] isValidHotKeyCombo]) {
 		return YES;
+	}
 	
 	hotKeyID.signature = 'PTHk';
 	hotKeyID.id = (long)hotKey;
 	
-	err = RegisterEventHotKey(  [[hotKey keyCombo] keyCode],
-								[[hotKey keyCombo] modifiers],
-								hotKeyID,
-								GetEventDispatcherTarget(),
-								nil,
-								&carbonHotKey );
-
-	if( err )
+	if (RegisterEventHotKey([[hotKey keyCombo] keyCode], [[hotKey keyCombo] modifiers], hotKeyID, GetEventDispatcherTarget(), nil, &carbonHotKey)) {
 		return NO;
-
-	key = [NSValue valueWithPointer: carbonHotKey];
-	[mHotKeys setObject: hotKey forKey: key];
-
+	}
+	
+	key = [NSValue valueWithPointer:carbonHotKey];
+	[mHotKeys setObject:hotKey forKey:key];
+	
 	[self _updateEventHandler];
 	
 	return YES;
 }
 
-- (void)unregisterHotKey: (ITHotKey*)hotKey
-{
+- (void)unregisterHotKey:(ITHotKey *)hotKey {
 	OSStatus err;
 	EventHotKeyRef carbonHotKey;
-	NSValue* key;
-
-	if( [[self allHotKeys] containsObject: hotKey] == NO )
+	NSValue *key;
+	
+	if (![[self allHotKeys] containsObject:hotKey]) {
 		return;
+	}
 	
-	carbonHotKey = [self _carbonHotKeyForHotKey: hotKey];
-	NSAssert( carbonHotKey != nil, @"" );
-
-	err = UnregisterEventHotKey( carbonHotKey );
-	//Watch as we ignore 'err':
-
-	key = [NSValue valueWithPointer: carbonHotKey];
-	[mHotKeys removeObjectForKey: key];
+	carbonHotKey = [self _carbonHotKeyForHotKey:hotKey];
+	NSAssert(carbonHotKey, @"");
+	
+	err = UnregisterEventHotKey(carbonHotKey);
+	
+	key = [NSValue valueWithPointer:carbonHotKey];
+	[mHotKeys removeObjectForKey:key];
 	
 	[self _updateEventHandler];
-
-	//See that? Completely ignored
 }
 
-- (NSArray*)allHotKeys
-{
+- (NSArray *)allHotKeys {
 	return [mHotKeys allValues];
 }
 
-#pragma mark -
-
-- (BOOL)_hasCarbonEventSupport
-{
-	return floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_1;
+- (BOOL)_hasCarbonEventSupport {
+	return (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_1);
 }
 
-- (ITHotKey*)_hotKeyForCarbonHotKey: (EventHotKeyRef)carbonHotKey
-{
-	NSValue* key = [NSValue valueWithPointer: carbonHotKey];
-	return [mHotKeys objectForKey: key];
+- (ITHotKey *)_hotKeyForCarbonHotKey:(EventHotKeyRef)carbonHotKey {
+	NSValue *key = [NSValue valueWithPointer:carbonHotKey];
+	return [mHotKeys objectForKey:key];
 }
 
-- (EventHotKeyRef)_carbonHotKeyForHotKey: (ITHotKey*)hotKey
-{
-	NSArray* values;
-	NSValue* value;
+- (EventHotKeyRef)_carbonHotKeyForHotKey:(ITHotKey *)hotKey {
+	NSArray *values;
+	NSValue *value;
 	
-	values = [mHotKeys allKeysForObject: hotKey];
-	NSAssert( [values count] == 1, @"Failed to find Carbon Hotkey for ITHotKey" );
+	values = [mHotKeys allKeysForObject:hotKey];
+	NSAssert(([values count] == 1), @"Failed to find Carbon Hotkey for ITHotKey");
 	
 	value = [values lastObject];
 	
 	return (EventHotKeyRef)[value pointerValue];
 }
 
-- (void)_updateEventHandler
-{
-	if( [self _hasCarbonEventSupport] == NO ) //Don't use event handler on these systems
+- (void)_updateEventHandler {
+	if (![self _hasCarbonEventSupport]) {
 		return;
-
-	if( [mHotKeys count] && mEventHandlerInstalled == NO )
-	{
+	}
+	
+	if ([mHotKeys count] && !mEventHandlerInstalled) {
 		EventTypeSpec eventSpec[2] = {
 			{ kEventClassKeyboard, kEventHotKeyPressed },
 			{ kEventClassKeyboard, kEventHotKeyReleased }
-		};    
-
-		InstallEventHandler( GetEventDispatcherTarget(),
-							 (EventHandlerProcPtr)hotKeyEventHandler, 
-							 2, eventSpec, nil, nil);
-	
+		};
+		
+		InstallEventHandler(GetEventDispatcherTarget(), (EventHandlerProcPtr)hotKeyEventHandler, 2, eventSpec, nil, nil);
+		
 		mEventHandlerInstalled = YES;
 	}
 }
 
-- (void)_hotKeyDown: (ITHotKey*)hotKey
-{
+- (void)_hotKeyDown:(ITHotKey *)hotKey {
 	[hotKey invoke];
 }
 
-- (void)_hotKeyUp: (ITHotKey*)hotKey
-{
+- (void)_hotKeyUp:(ITHotKey *)hotKey {
 }
 
-- (void)sendEvent: (NSEvent*)event
-{
+- (void)sendEvent:(NSEvent *)event {
 	long subType;
 	EventHotKeyRef carbonHotKey;
 	
+	if (!_enabled) {
+		return;
+	}
+	
 	//We only have to intercept sendEvent to do hot keys on old system versions
-	if( [self _hasCarbonEventSupport] )
+	if ([self _hasCarbonEventSupport]) {
 		return;
+	}
 	
-	if( [event type] == NSSystemDefined )
-	{
+	if ([event type] == NSSystemDefined) {
 		subType = [event subtype];
 		
-		if( subType == 6 ) //6 is hot key down
-		{
-			carbonHotKey= (EventHotKeyRef)[event data1]; //data1 is our hot key ref
-			if( carbonHotKey != nil )
-			{
-				ITHotKey* hotKey = [self _hotKeyForCarbonHotKey: carbonHotKey];
-				[self _hotKeyDown: hotKey];
+		if (subType == 6) { //6 is hot key down
+			carbonHotKey = (EventHotKeyRef)[event data1]; //data1 is our hot key ref
+			if (carbonHotKey) {
+				ITHotKey *hotKey = [self _hotKeyForCarbonHotKey:carbonHotKey];
+				[self _hotKeyDown:hotKey];
 			}
-		}
-		else if( subType == 9 ) //9 is hot key up
-		{
-			carbonHotKey= (EventHotKeyRef)[event data1];
-			if( carbonHotKey != nil )
-			{
-				ITHotKey* hotKey = [self _hotKeyForCarbonHotKey: carbonHotKey];
-				[self _hotKeyUp: hotKey];
+		} else if (subType == 9) { //9 is hot key up
+			carbonHotKey = (EventHotKeyRef)[event data1];
+			if (carbonHotKey) {
+				ITHotKey *hotKey = [self _hotKeyForCarbonHotKey:carbonHotKey];
+				[self _hotKeyUp:hotKey];
 			}
 		}
 	}
 }
 
-- (OSStatus)sendCarbonEvent: (EventRef)event
-{
+- (OSStatus)sendCarbonEvent:(EventRef)event {
 	OSStatus err;
 	EventHotKeyID hotKeyID;
-	ITHotKey* hotKey;
-
-	NSAssert( [self _hasCarbonEventSupport], @"" );
-	NSAssert( GetEventClass( event ) == kEventClassKeyboard, @"Unknown event class" );
+	ITHotKey *hotKey;
+	
+	if (!_enabled) {
+		return -1;
+	}
+	
+	NSAssert([self _hasCarbonEventSupport], @"");
+	NSAssert((GetEventClass(event) == kEventClassKeyboard), @"Unknown event class");
 
-	err = GetEventParameter(	event,
-								kEventParamDirectObject, 
-								typeEventHotKeyID,
-								nil,
-								sizeof(EventHotKeyID),
-								nil,
-								&hotKeyID );
-	if( err )
+	if ((err = GetEventParameter(event, kEventParamDirectObject, typeEventHotKeyID, nil, sizeof(EventHotKeyID), nil, &hotKeyID))) {
 		return err;
+	}
 	
+	NSAssert((hotKeyID.signature == 'PTHk'), @"Invalid hot key id");
+	NSAssert((hotKeyID.id != nil), @"Invalid hot key id");
 
-	NSAssert( hotKeyID.signature == 'PTHk', @"Invalid hot key id" );
-	NSAssert( hotKeyID.id != nil, @"Invalid hot key id" );
-
-	hotKey = (ITHotKey*)hotKeyID.id;
-
-	switch( GetEventKind( event ) )
-	{
+	hotKey = (ITHotKey *)hotKeyID.id;
+	
+	switch (GetEventKind(event)) {
 		case kEventHotKeyPressed:
-			[self _hotKeyDown: hotKey];
-		break;
-
+			[self _hotKeyDown:hotKey];
+			break;
 		case kEventHotKeyReleased:
-			[self _hotKeyUp: hotKey];
-		break;
-
+			[self _hotKeyUp:hotKey];
+			break;
 		default:
-			NSAssert( 0, @"Unknown event kind" );
-		break;
+			NSAssert(NO, @"Unknown event kind");
+			break;
 	}
 	
 	return noErr;
 }
 
-static OSStatus hotKeyEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void* refCon )
-{
-	return [[ITHotKeyCenter sharedCenter] sendCarbonEvent: inEvent];
+static OSStatus hotKeyEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void *refCon) {
+	return [[ITHotKeyCenter sharedCenter] sendCarbonEvent:inEvent];
 }
 
 @end