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comparison: widget/cocoa/ComplexTextInputPanel.mm
widget/cocoa/ComplexTextInputPanel.mm
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:cd672fc3b3ad |
|---|---|
| 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 * Modified by Josh Aas of Mozilla Corporation. | |
| 26 */ | |
| 27 | |
| 28 #import "ComplexTextInputPanel.h" | |
| 29 | |
| 30 #include <algorithm> | |
| 31 #include "mozilla/Preferences.h" | |
| 32 #include "nsChildView.h" | |
| 33 #include "nsCocoaFeatures.h" | |
| 34 | |
| 35 using namespace mozilla; | |
| 36 | |
| 37 #define kInputWindowHeight 20 | |
| 38 | |
| 39 @implementation ComplexTextInputPanel | |
| 40 | |
| 41 + (ComplexTextInputPanel*)sharedComplexTextInputPanel | |
| 42 { | |
| 43 static ComplexTextInputPanel *sComplexTextInputPanel; | |
| 44 if (!sComplexTextInputPanel) | |
| 45 sComplexTextInputPanel = [[ComplexTextInputPanel alloc] init]; | |
| 46 return sComplexTextInputPanel; | |
| 47 } | |
| 48 | |
| 49 - (id)init | |
| 50 { | |
| 51 // In the original Apple code the style mask is given by a function which is not open source. | |
| 52 // What could possibly be worth hiding in that function, I do not know. | |
| 53 // Courtesy of gdb: stylemask: 011000011111, 0x61f | |
| 54 self = [super initWithContentRect:NSZeroRect styleMask:0x61f backing:NSBackingStoreBuffered defer:YES]; | |
| 55 if (!self) | |
| 56 return nil; | |
| 57 | |
| 58 // Set the frame size. | |
| 59 NSRect visibleFrame = [[NSScreen mainScreen] visibleFrame]; | |
| 60 NSRect frame = NSMakeRect(visibleFrame.origin.x, visibleFrame.origin.y, visibleFrame.size.width, kInputWindowHeight); | |
| 61 | |
| 62 [self setFrame:frame display:NO]; | |
| 63 | |
| 64 mInputTextView = [[NSTextView alloc] initWithFrame:[self.contentView frame]]; | |
| 65 mInputTextView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable | NSViewMaxXMargin | NSViewMinXMargin | NSViewMaxYMargin | NSViewMinYMargin; | |
| 66 | |
| 67 NSScrollView* scrollView = [[NSScrollView alloc] initWithFrame:[self.contentView frame]]; | |
| 68 scrollView.documentView = mInputTextView; | |
| 69 self.contentView = scrollView; | |
| 70 [scrollView release]; | |
| 71 | |
| 72 [self setFloatingPanel:YES]; | |
| 73 | |
| 74 [[NSNotificationCenter defaultCenter] addObserver:self | |
| 75 selector:@selector(keyboardInputSourceChanged:) | |
| 76 name:NSTextInputContextKeyboardSelectionDidChangeNotification | |
| 77 object:nil]; | |
| 78 | |
| 79 return self; | |
| 80 } | |
| 81 | |
| 82 - (void)dealloc | |
| 83 { | |
| 84 [[NSNotificationCenter defaultCenter] removeObserver:self]; | |
| 85 | |
| 86 [mInputTextView release]; | |
| 87 | |
| 88 [super dealloc]; | |
| 89 } | |
| 90 | |
| 91 - (void)keyboardInputSourceChanged:(NSNotification *)notification | |
| 92 { | |
| 93 static int8_t sDoCancel = -1; | |
| 94 if (!sDoCancel || ![self inComposition]) { | |
| 95 return; | |
| 96 } | |
| 97 if (sDoCancel < 0) { | |
| 98 bool cancelComposition = false; | |
| 99 static const char* kPrefName = | |
| 100 "ui.plugin.cancel_composition_at_input_source_changed"; | |
| 101 nsresult rv = Preferences::GetBool(kPrefName, &cancelComposition); | |
| 102 NS_ENSURE_SUCCESS(rv, ); | |
| 103 sDoCancel = cancelComposition ? 1 : 0; | |
| 104 } | |
| 105 if (sDoCancel) { | |
| 106 [self cancelComposition]; | |
| 107 } | |
| 108 } | |
| 109 | |
| 110 - (BOOL)interpretKeyEvent:(NSEvent*)event string:(NSString**)string | |
| 111 { | |
| 112 BOOL hadMarkedText = [mInputTextView hasMarkedText]; | |
| 113 | |
| 114 *string = nil; | |
| 115 | |
| 116 if (![[mInputTextView inputContext] handleEvent:event]) | |
| 117 return NO; | |
| 118 | |
| 119 if ([mInputTextView hasMarkedText]) { | |
| 120 // Don't show the input method window for dead keys | |
| 121 if ([[event characters] length] > 0) | |
| 122 [self orderFront:nil]; | |
| 123 | |
| 124 return YES; | |
| 125 } else { | |
| 126 [self orderOut:nil]; | |
| 127 | |
| 128 NSString *text = [[mInputTextView textStorage] string]; | |
| 129 if ([text length] > 0) | |
| 130 *string = [[text copy] autorelease]; | |
| 131 } | |
| 132 | |
| 133 [mInputTextView setString:@""]; | |
| 134 return hadMarkedText; | |
| 135 } | |
| 136 | |
| 137 - (NSTextInputContext*)inputContext | |
| 138 { | |
| 139 return [mInputTextView inputContext]; | |
| 140 } | |
| 141 | |
| 142 - (void)cancelComposition | |
| 143 { | |
| 144 [mInputTextView setString:@""]; | |
| 145 [self orderOut:nil]; | |
| 146 } | |
| 147 | |
| 148 - (BOOL)inComposition | |
| 149 { | |
| 150 return [mInputTextView hasMarkedText]; | |
| 151 } | |
| 152 | |
| 153 - (void)adjustTo:(NSView*)view | |
| 154 { | |
| 155 NSRect viewRect = [view frame]; | |
| 156 viewRect.origin.x = 0; | |
| 157 viewRect.origin.y = 0; | |
| 158 viewRect = [view convertRect:viewRect toView:nil]; | |
| 159 if (nsCocoaFeatures::OnLionOrLater()) { | |
| 160 viewRect = [[view window] convertRectToScreen:viewRect]; | |
| 161 } else { | |
| 162 viewRect.origin = [[view window] convertBaseToScreen:viewRect.origin]; | |
| 163 } | |
| 164 NSRect selfRect = [self frame]; | |
| 165 CGFloat minWidth = static_cast<CGFloat>( | |
| 166 Preferences::GetUint("ui.plugin.panel.min-width", 500)); | |
| 167 NSRect rect = NSMakeRect(viewRect.origin.x, | |
| 168 viewRect.origin.y - selfRect.size.height, | |
| 169 std::max(viewRect.size.width, minWidth), | |
| 170 selfRect.size.height); | |
| 171 | |
| 172 // Adjust to screen. | |
| 173 NSRect screenRect = [[NSScreen mainScreen] visibleFrame]; | |
| 174 if (rect.origin.x < screenRect.origin.x) { | |
| 175 rect.origin.x = screenRect.origin.x; | |
| 176 } | |
| 177 if (rect.origin.y < screenRect.origin.y) { | |
| 178 rect.origin.y = screenRect.origin.y; | |
| 179 } | |
| 180 CGFloat xMostOfScreen = screenRect.origin.x + screenRect.size.width; | |
| 181 CGFloat yMostOfScreen = screenRect.origin.y + screenRect.size.height; | |
| 182 CGFloat xMost = rect.origin.x + rect.size.width; | |
| 183 CGFloat yMost = rect.origin.y + rect.size.height; | |
| 184 if (xMostOfScreen < xMost) { | |
| 185 rect.origin.x -= xMost - xMostOfScreen; | |
| 186 } | |
| 187 if (yMostOfScreen < yMost) { | |
| 188 rect.origin.y -= yMost - yMostOfScreen; | |
| 189 } | |
| 190 | |
| 191 [self setFrame:rect display:[self isVisible]]; | |
| 192 } | |
| 193 | |
| 194 @end |
