2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * Modified by Josh Aas of Mozilla Corporation.
28 #import "ComplexTextInputPanel.h"
30 #define kInputWindowHeight 20
32 @implementation ComplexTextInputPanel
34 + (ComplexTextInputPanel*)sharedComplexTextInputPanel
36 static ComplexTextInputPanel *sComplexTextInputPanel;
37 if (!sComplexTextInputPanel)
38 sComplexTextInputPanel = [[ComplexTextInputPanel alloc] init];
39 return sComplexTextInputPanel;
44 // In the original Apple code the style mask is given by a function which is not open source.
45 // What could possibly be worth hiding in that function, I do not know.
46 // Courtesy of gdb: stylemask: 011000011111, 0x61f
47 self = [super initWithContentRect:NSZeroRect styleMask:0x61f backing:NSBackingStoreBuffered defer:YES];
51 // Set the frame size.
52 NSRect visibleFrame = [[NSScreen mainScreen] visibleFrame];
53 NSRect frame = NSMakeRect(visibleFrame.origin.x, visibleFrame.origin.y, visibleFrame.size.width, kInputWindowHeight);
55 [self setFrame:frame display:NO];
57 mInputTextView = [[NSTextView alloc] initWithFrame:[self.contentView frame]];
58 mInputTextView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable | NSViewMaxXMargin | NSViewMinXMargin | NSViewMaxYMargin | NSViewMinYMargin;
60 NSScrollView* scrollView = [[NSScrollView alloc] initWithFrame:[self.contentView frame]];
61 scrollView.documentView = mInputTextView;
62 self.contentView = scrollView;
65 [self setFloatingPanel:YES];
67 [[NSNotificationCenter defaultCenter] addObserver:self
68 selector:@selector(keyboardInputSourceChanged:)
69 name:NSTextInputContextKeyboardSelectionDidChangeNotification
77 [[NSNotificationCenter defaultCenter] removeObserver:self];
79 [mInputTextView release];
84 - (void)keyboardInputSourceChanged:(NSNotification *)notification
86 [self cancelComposition];
89 - (BOOL)interpretKeyEvent:(NSEvent*)event string:(NSString**)string
91 BOOL hadMarkedText = [mInputTextView hasMarkedText];
95 if (![[mInputTextView inputContext] handleEvent:event])
98 if ([mInputTextView hasMarkedText]) {
99 // Don't show the input method window for dead keys
100 if ([[event characters] length] > 0)
101 [self orderFront:nil];
107 NSString *text = [[mInputTextView textStorage] string];
108 if ([text length] > 0)
109 *string = [[text copy] autorelease];
112 [mInputTextView setString:@""];
113 return hadMarkedText;
116 - (NSTextInputContext*)inputContext
118 return [mInputTextView inputContext];
121 - (void)cancelComposition
123 [mInputTextView setString:@""];
127 - (BOOL)inComposition
129 return [mInputTextView hasMarkedText];