146 lines
4.1 KiB
Objective-C
146 lines
4.1 KiB
Objective-C
/*
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NDHotKeyControl.m
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Created by Nathan Day on 21.06.06 under a MIT-style license.
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Copyright (c) 2008 Nathan Day
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#import "NDHotKeyControl.h"
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#import "NDHotKeyEvent.h"
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#import "NDKeyboardLayout.h"
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@interface NDHotKeyControl ()
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@end
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/*
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* class implementation NDHotKeyControl
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*/
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@implementation NDHotKeyControl
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- (id)initWithFrame:(NSRect)aFrame
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{
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if( (self = [super initWithFrame:aFrame]) != nil )
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{
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[self setEditable:NO];
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requiresModifierKeys = YES;
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readyForEvent = NO;
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stayReadyForEvent = NO;
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}
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return self;
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}
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- (id)initWithCoder:(NSCoder *)aCoder
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{
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if( (self = [super initWithCoder:aCoder]) != nil )
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{
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[self setEditable:NO];
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requiresModifierKeys = YES;
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readyForEvent = NO;
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stayReadyForEvent = NO;
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}
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return self;
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}
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- (IBAction)readyForHotKeyEventChanged:(id)aSender
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{
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if( [aSender isKindOfClass:[NSMatrix class]] )
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aSender = [aSender selectedCell];
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if( [aSender isKindOfClass:[NSButton class]] || [aSender isKindOfClass:[NSButtonCell class]] )
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{
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if( [aSender state] == NSOnState )
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{
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[self setReadyForHotKeyEvent:YES];
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lastReadyForEventSender = aSender;
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[self setStringValue:@""];
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}
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else
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{
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[self setReadyForHotKeyEvent:NO];
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lastReadyForEventSender = nil;
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}
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}
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}
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- (unsigned short)keyCode { return keyCode; }
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- (unichar)keyCharacter { return [[NDKeyboardLayout keyboardLayout] characterForKeyCode:[self keyCode]]; }
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- (NSUInteger)modifierFlags { return modifierFlags; }
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- (BOOL)performKeyEquivalent:(NSEvent*)anEvent
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{
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BOOL theResult = NO;
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if( [self readyForHotKeyEvent] )
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{
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[self keyDown:anEvent];
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theResult = YES;
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}
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else
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theResult = [super performKeyEquivalent:anEvent];
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return theResult;
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}
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- (void)keyDown:(NSEvent *)anEvent
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{
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NSUInteger theModifierFlags = [anEvent modifierFlags];
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unichar theChar = [[anEvent charactersIgnoringModifiers] characterAtIndex:0];
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theModifierFlags &= (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask);
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if( (theModifierFlags != 0 || !requiresModifierKeys || theChar > 255) && theChar != 0 )
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{
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NDKeyboardLayout * theKeyboardLayout = [NDKeyboardLayout keyboardLayout];
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NSParameterAssert( theKeyboardLayout != nil );
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keyCode = [anEvent keyCode];
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modifierFlags = theModifierFlags;
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[self setStringValue:[theKeyboardLayout stringForKeyCode:keyCode modifierFlags:(UInt32)modifierFlags]];
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[self performClick:self];
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if( ![self stayReadyForEvent] )
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[self setReadyForHotKeyEvent:NO];
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}
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}
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- (NDHotKeyEvent *)hotKeyEvent { return [NDHotKeyEvent getHotKeyForKeyCode:[self keyCode] modifierFlags:[self modifierFlags]]; }
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- (void)setRequiresModifierKeys:(BOOL)aFlag { requiresModifierKeys = aFlag; }
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- (BOOL)requiresModifierKeys { return requiresModifierKeys; }
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- (void)setReadyForHotKeyEvent:(BOOL)aFlag
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{
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readyForEvent = aFlag;
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[NDHotKeyEvent setAllEnabled:!readyForEvent];
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if( readyForEvent == NO && lastReadyForEventSender )
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{
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[lastReadyForEventSender setState:NSOffState];
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lastReadyForEventSender = nil;
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}
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}
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- (BOOL)readyForHotKeyEvent { return readyForEvent; }
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- (void)setStayReadyForEvent:(BOOL)aFlag { stayReadyForEvent = aFlag; }
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- (BOOL)stayReadyForEvent { return stayReadyForEvent; }
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@end
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