1/* 2 * Copyright (C) 2009 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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. 24 */ 25 26#if USE(PLUGIN_HOST_PROCESS) 27 28#import "WebTextInputWindowController.h" 29 30#import <WebKitSystemInterface.h> 31 32@interface WebTextInputPanel : NSPanel { 33 NSTextView *_inputTextView; 34} 35 36- (NSTextInputContext *)_inputContext; 37- (BOOL)_interpretKeyEvent:(NSEvent *)event string:(NSString **)string; 38 39@end 40 41#define inputWindowHeight 20 42 43@implementation WebTextInputPanel 44 45- (void)dealloc 46{ 47 [[NSNotificationCenter defaultCenter] removeObserver:self]; 48 49 [_inputTextView release]; 50 51 [super dealloc]; 52} 53 54- (id)init 55{ 56 self = [super initWithContentRect:NSZeroRect styleMask:WKGetInputPanelWindowStyle() backing:NSBackingStoreBuffered defer:YES]; 57 if (!self) 58 return nil; 59 60 // Set the frame size. 61 NSRect visibleFrame = [[NSScreen mainScreen] visibleFrame]; 62 NSRect frame = NSMakeRect(visibleFrame.origin.x, visibleFrame.origin.y, visibleFrame.size.width, inputWindowHeight); 63 64 [self setFrame:frame display:NO]; 65 66 _inputTextView = [[NSTextView alloc] initWithFrame:[self.contentView frame]]; 67 _inputTextView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable | NSViewMaxXMargin | NSViewMinXMargin | NSViewMaxYMargin | NSViewMinYMargin; 68 69 NSScrollView* scrollView = [[NSScrollView alloc] initWithFrame:[self.contentView frame]]; 70 scrollView.documentView = _inputTextView; 71 self.contentView = scrollView; 72 [scrollView release]; 73 74 [self setFloatingPanel:YES]; 75 76 [[NSNotificationCenter defaultCenter] addObserver:self 77 selector:@selector(_keyboardInputSourceChanged:) 78 name:NSTextInputContextKeyboardSelectionDidChangeNotification 79 object:nil]; 80 81 return self; 82} 83 84- (void)_keyboardInputSourceChanged:(NSNotification *)notification 85{ 86 [_inputTextView setString:@""]; 87 [self orderOut:nil]; 88} 89 90- (BOOL)_interpretKeyEvent:(NSEvent *)event string:(NSString **)string 91{ 92 BOOL hadMarkedText = [_inputTextView hasMarkedText]; 93 94 *string = nil; 95 96 // Let TSM know that a bottom input window would be created for marked text. 97 EventRef carbonEvent = (EventRef)[event eventRef]; 98 if (carbonEvent) { 99 Boolean ignorePAH = true; 100 SetEventParameter(carbonEvent, 'iPAH', typeBoolean, sizeof(ignorePAH), &ignorePAH); 101 } 102 103 if (![[_inputTextView inputContext] handleEvent:event]) 104 return NO; 105 106 if ([_inputTextView hasMarkedText]) { 107 // Don't show the input method window for dead keys 108 if ([[event characters] length] > 0) 109 [self orderFront:nil]; 110 111 return YES; 112 } 113 114 if (hadMarkedText) { 115 [self orderOut:nil]; 116 117 NSString *text = [[_inputTextView textStorage] string]; 118 if ([text length] > 0) 119 *string = [[text copy] autorelease]; 120 } 121 122 [_inputTextView setString:@""]; 123 return hadMarkedText; 124} 125 126- (NSTextInputContext *)_inputContext 127{ 128 return [_inputTextView inputContext]; 129} 130 131@end 132 133@implementation WebTextInputWindowController 134 135+ (WebTextInputWindowController *)sharedTextInputWindowController 136{ 137 static WebTextInputWindowController *textInputWindowController; 138 if (!textInputWindowController) 139 textInputWindowController = [[WebTextInputWindowController alloc] init]; 140 141 return textInputWindowController; 142} 143 144- (id)init 145{ 146 self = [super init]; 147 if (!self) 148 return nil; 149 150 _panel = [[WebTextInputPanel alloc] init]; 151 152 return self; 153} 154 155- (NSTextInputContext *)inputContext 156{ 157 return [_panel _inputContext]; 158} 159 160- (BOOL)interpretKeyEvent:(NSEvent *)event string:(NSString **)string 161{ 162 return [_panel _interpretKeyEvent:event string:string]; 163} 164 165@end 166 167#endif // USE(PLUGIN_HOST_PROCESS) 168 169