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/*****************************************************************************
* GlobalKeyboardDevice.m
* RemoteControlWrapper
*
* Created by Martin Kahr on 11.03.06 under a MIT-style license.
* Copyright (c) 2006 martinkahr.com. All rights reserved.
*
* Code modified and adapted to OpenOffice.org
* by Eric Bachard on 11.08.2008 under the same license
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*****************************************************************************/
#import "GlobalKeyboardDevice.h"
#define F1 122
#define F2 120
#define F3 99
#define F4 118
#define F5 96
#define F6 97
#define F7 98
/*
the following default keys are read and shall be used to change the keyboard mapping
mac.remotecontrols.GlobalKeyboardDevice.plus_modifiers
mac.remotecontrols.GlobalKeyboardDevice.plus_keycode
mac.remotecontrols.GlobalKeyboardDevice.minus_modifiers
mac.remotecontrols.GlobalKeyboardDevice.minus_keycode
mac.remotecontrols.GlobalKeyboardDevice.play_modifiers
mac.remotecontrols.GlobalKeyboardDevice.play_keycode
mac.remotecontrols.GlobalKeyboardDevice.left_modifiers
mac.remotecontrols.GlobalKeyboardDevice.left_keycode
mac.remotecontrols.GlobalKeyboardDevice.right_modifiers
mac.remotecontrols.GlobalKeyboardDevice.right_keycode
mac.remotecontrols.GlobalKeyboardDevice.menu_modifiers
mac.remotecontrols.GlobalKeyboardDevice.menu_keycode
mac.remotecontrols.GlobalKeyboardDevice.playhold_modifiers
mac.remotecontrols.GlobalKeyboardDevice.playhold_keycode
*/
static OSStatus hotKeyEventHandler(EventHandlerCallRef, EventRef, void*);
@implementation GlobalKeyboardDevice
- (id) initWithDelegate: (id) _remoteControlDelegate {
if ( (self = [super initWithDelegate: _remoteControlDelegate]) ) {
hotKeyRemoteEventMapping = [[NSMutableDictionary alloc] init];
unsigned int modifiers = cmdKey + shiftKey /*+ optionKey*/ + controlKey;
[self mapRemoteButton:kRemoteButtonPlus defaultKeycode:F1 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonMinus defaultKeycode:F2 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonPlay defaultKeycode:F3 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonLeft defaultKeycode:F4 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonRight defaultKeycode:F5 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonMenu defaultKeycode:F6 defaultModifiers:modifiers];
[self mapRemoteButton:kRemoteButtonPlay_Hold defaultKeycode:F7 defaultModifiers:modifiers];
}
return self;
}
- (void) dealloc {
[hotKeyRemoteEventMapping release];
[super dealloc];
}
- (void) mapRemoteButton: (RemoteControlEventIdentifier) remoteButtonIdentifier defaultKeycode: (unsigned int) defaultKeycode defaultModifiers: (unsigned int) defaultModifiers {
NSString* defaultsKey = NULL;
switch(remoteButtonIdentifier) {
case kRemoteButtonPlus:
defaultsKey = @"plus";
break;
case kRemoteButtonMinus:
defaultsKey = @"minus";
break;
case kRemoteButtonMenu:
defaultsKey = @"menu";
break;
case kRemoteButtonPlay:
defaultsKey = @"play";
break;
case kRemoteButtonRight:
defaultsKey = @"right";
break;
case kRemoteButtonLeft:
defaultsKey = @"left";
break;
case kRemoteButtonPlay_Hold:
defaultsKey = @"playhold";
break;
default:
#ifdef DEBUG
NSLog(@"Unknown global keyboard defaults key for remote button identifier %d", remoteButtonIdentifier);
#endif
break;
}
NSNumber* modifiersCfg = [[NSUserDefaults standardUserDefaults] objectForKey: [NSString stringWithFormat: @"mac.remotecontrols.GlobalKeyboardDevice.%@_modifiers", defaultsKey]];
NSNumber* keycodeCfg = [[NSUserDefaults standardUserDefaults] objectForKey: [NSString stringWithFormat: @"mac.remotecontrols.GlobalKeyboardDevice.%@_keycode", defaultsKey]];
unsigned int modifiers = defaultModifiers;
if (modifiersCfg) modifiers = [modifiersCfg unsignedIntValue];
unsigned int keycode = defaultKeycode;
if (keycodeCfg) keycode = [keycodeCfg unsignedIntValue];
[self registerHotKeyCode: keycode modifiers: modifiers remoteEventIdentifier: remoteButtonIdentifier];
}
- (void) setListeningToRemote: (BOOL) value {
if (value == [self isListeningToRemote]) return;
if (value) {
[self startListening: self];
} else {
[self stopListening: self];
}
}
- (BOOL) isListeningToRemote {
return (eventHandlerRef!=NULL);
}
- (void) startListening: (id) sender {
if (eventHandlerRef) return;
EventTypeSpec eventSpec[2] = {
{ kEventClassKeyboard, kEventHotKeyPressed },
{ kEventClassKeyboard, kEventHotKeyReleased }
};
InstallEventHandler( GetEventDispatcherTarget(),
(EventHandlerProcPtr)hotKeyEventHandler,
2, eventSpec, self, &eventHandlerRef);
}
- (void) stopListening: (id) sender {
RemoveEventHandler(eventHandlerRef);
eventHandlerRef = NULL;
}
- (BOOL) sendsEventForButtonIdentifier: (RemoteControlEventIdentifier) identifier {
NSEnumerator* values = [hotKeyRemoteEventMapping objectEnumerator];
NSNumber* remoteIdentifier;
while( (remoteIdentifier = [values nextObject]) ) {
if ([remoteIdentifier unsignedIntValue] == identifier) return YES;
}
return NO;
}
+ (const char*) remoteControlDeviceName {
return "Keyboard";
}
- (BOOL)registerHotKeyCode: (unsigned int) keycode modifiers: (unsigned int) modifiers remoteEventIdentifier: (RemoteControlEventIdentifier) identifier {
OSStatus err;
EventHotKeyID hotKeyID;
EventHotKeyRef carbonHotKey;
hotKeyID.signature = 'PTHk';
hotKeyID.id = (long)keycode;
err = RegisterEventHotKey(keycode, modifiers, hotKeyID, GetEventDispatcherTarget(), 0, &carbonHotKey );
if( err )
return NO;
[hotKeyRemoteEventMapping setObject: [NSNumber numberWithInt:identifier] forKey: [NSNumber numberWithUnsignedInt: hotKeyID.id]];
return YES;
}
/*
- (void)unregisterHotKey: (PTHotKey*)hotKey
{
OSStatus err;
EventHotKeyRef carbonHotKey;
NSValue* key;
if( [[self allHotKeys] containsObject: hotKey] == NO )
return;
carbonHotKey = [self _carbonHotKeyForHotKey: hotKey];
NSAssert( carbonHotKey != nil, @"" );
err = UnregisterEventHotKey( carbonHotKey );
//Watch as we ignore 'err':
key = [NSValue valueWithPointer: carbonHotKey];
[mHotKeys removeObjectForKey: key];
[self _updateEventHandler];
//See that? Completely ignored
}
*/
- (RemoteControlEventIdentifier) remoteControlEventIdentifierForID: (unsigned int) id {
NSNumber* remoteEventIdentifier = [hotKeyRemoteEventMapping objectForKey:[NSNumber numberWithUnsignedInt: id]];
return [remoteEventIdentifier unsignedIntValue];
}
- (void) sendRemoteButtonEvent: (RemoteControlEventIdentifier) event pressedDown: (BOOL) pressedDown {
[delegate sendRemoteButtonEvent: event pressedDown: pressedDown remoteControl:self];
}
static RemoteControlEventIdentifier lastEvent;
static OSStatus hotKeyEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void* userData )
{
GlobalKeyboardDevice* keyboardDevice = (GlobalKeyboardDevice*) userData;
EventHotKeyID hkCom;
GetEventParameter(inEvent,kEventParamDirectObject,typeEventHotKeyID,NULL,sizeof(hkCom),NULL,&hkCom);
RemoteControlEventIdentifier identifier = [keyboardDevice remoteControlEventIdentifierForID:hkCom.id];
if (identifier == 0) return noErr;
BOOL pressedDown = YES;
if (identifier != lastEvent) {
lastEvent = identifier;
} else {
lastEvent = 0;
pressedDown = NO;
}
[keyboardDevice sendRemoteButtonEvent: identifier pressedDown: pressedDown];
return noErr;
}
@end
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