mirror of
https://github.com/classilla/tenfourfox.git
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270 lines
7.8 KiB
Plaintext
270 lines
7.8 KiB
Plaintext
/*
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* Copyright (C) 2009 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Modified by Josh Aas of Mozilla Corporation.
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*/
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#import "ComplexTextInputPanel.h"
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#import <Cocoa/Cocoa.h>
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#include <algorithm>
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#include "mozilla/Preferences.h"
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#include "nsChildView.h"
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#include "nsCocoaFeatures.h"
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using namespace mozilla;
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extern "C" OSStatus TSMProcessRawKeyEvent(EventRef anEvent);
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#define kInputWindowHeight 20
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@interface ComplexTextInputPanelImpl : NSPanel {
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NSTextView *mInputTextView;
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}
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// Not in 10.4 or 10.5.
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typedef NSObject NSTextInputContext;
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+ (ComplexTextInputPanelImpl*)sharedComplexTextInputPanelImpl;
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- (NSTextInputContext*)inputContext;
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- (void)interpretKeyEvent:(NSEvent*)event string:(NSString**)string;
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- (void)cancelComposition;
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- (BOOL)inComposition;
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// This places the text input panel fully onscreen and below the lower left
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// corner of the focused plugin.
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- (void)adjustTo:(NSPoint)point;
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@end
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@implementation ComplexTextInputPanelImpl
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+ (ComplexTextInputPanelImpl*)sharedComplexTextInputPanelImpl
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{
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static ComplexTextInputPanelImpl *sComplexTextInputPanelImpl;
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if (!sComplexTextInputPanelImpl)
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sComplexTextInputPanelImpl = [[ComplexTextInputPanelImpl alloc] init];
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return sComplexTextInputPanelImpl;
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}
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- (id)init
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{
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// In the original Apple code the style mask is given by a function which is not open source.
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// What could possibly be worth hiding in that function, I do not know.
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// Courtesy of gdb: stylemask: 011000011111, 0x61f
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self = [super initWithContentRect:NSZeroRect styleMask:0x61f backing:NSBackingStoreBuffered defer:YES];
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if (!self)
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return nil;
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// Set the frame size.
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NSRect visibleFrame = [[NSScreen mainScreen] visibleFrame];
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NSRect frame = NSMakeRect(visibleFrame.origin.x, visibleFrame.origin.y, visibleFrame.size.width, kInputWindowHeight);
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[self setFrame:frame display:NO];
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mInputTextView = [[NSTextView alloc] initWithFrame:[self.contentView frame]];
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mInputTextView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable | NSViewMaxXMargin | NSViewMinXMargin | NSViewMaxYMargin | NSViewMinYMargin;
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NSScrollView* scrollView = [[NSScrollView alloc] initWithFrame:[self.contentView frame]];
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scrollView.documentView = mInputTextView;
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self.contentView = scrollView;
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[scrollView release];
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[self setFloatingPanel:YES];
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// NSTextInputContextKeyboardSelectionDidChangeNotification needs 10.6+.
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#if(0)
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(keyboardInputSourceChanged:)
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name:NSTextInputContextKeyboardSelectionDidChangeNotification
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object:nil];
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#endif
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return self;
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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[mInputTextView release];
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[super dealloc];
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}
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- (void)keyboardInputSourceChanged:(NSNotification *)notification
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{
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static int8_t sDoCancel = -1;
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if (!sDoCancel || ![self inComposition]) {
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return;
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}
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if (sDoCancel < 0) {
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bool cancelComposition = false;
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static const char* kPrefName =
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"ui.plugin.cancel_composition_at_input_source_changed";
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nsresult rv = Preferences::GetBool(kPrefName, &cancelComposition);
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NS_ENSURE_SUCCESS(rv, );
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sDoCancel = cancelComposition ? 1 : 0;
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}
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if (sDoCancel) {
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[self cancelComposition];
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}
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}
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- (void)interpretKeyEvent:(NSEvent*)event string:(NSString**)string
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{
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*string = nil;
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if (![[mInputTextView inputContext] handleEvent:event]) {
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return;
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}
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if ([mInputTextView hasMarkedText]) {
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// Don't show the input method window for dead keys
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if ([[event characters] length] > 0) {
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[self orderFront:nil];
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}
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return;
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} else {
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[self orderOut:nil];
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NSString *text = [[mInputTextView textStorage] string];
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if ([text length] > 0) {
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*string = [[text copy] autorelease];
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}
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}
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[mInputTextView setString:@""];
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}
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- (NSTextInputContext*)inputContext
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{
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return nullptr; // No NSTextInputContext in 10.4 or 10.5.
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return [mInputTextView inputContext];
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}
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- (void)cancelComposition
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{
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[mInputTextView setString:@""];
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[self orderOut:nil];
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}
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- (BOOL)inComposition
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{
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return [mInputTextView hasMarkedText];
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}
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- (void)adjustTo:(NSPoint)point
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{
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NSRect selfRect = [self frame];
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NSRect rect = NSMakeRect(point.x,
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point.y - selfRect.size.height,
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500,
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selfRect.size.height);
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// Adjust to screen.
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NSRect screenRect = [[NSScreen mainScreen] visibleFrame];
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if (rect.origin.x < screenRect.origin.x) {
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rect.origin.x = screenRect.origin.x;
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}
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if (rect.origin.y < screenRect.origin.y) {
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rect.origin.y = screenRect.origin.y;
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}
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CGFloat xMostOfScreen = screenRect.origin.x + screenRect.size.width;
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CGFloat yMostOfScreen = screenRect.origin.y + screenRect.size.height;
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CGFloat xMost = rect.origin.x + rect.size.width;
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CGFloat yMost = rect.origin.y + rect.size.height;
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if (xMostOfScreen < xMost) {
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rect.origin.x -= xMost - xMostOfScreen;
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}
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if (yMostOfScreen < yMost) {
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rect.origin.y -= yMost - yMostOfScreen;
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}
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[self setFrame:rect display:[self isVisible]];
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}
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@end
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class ComplexTextInputPanelPrivate : public ComplexTextInputPanel
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{
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public:
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ComplexTextInputPanelPrivate();
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virtual void InterpretKeyEvent(void* aEvent, nsAString& aOutText);
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virtual bool IsInComposition();
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virtual void PlacePanel(int32_t x, int32_t y);
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virtual void* GetInputContext() { return [mPanel inputContext]; }
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virtual void CancelComposition() { [mPanel cancelComposition]; }
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private:
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~ComplexTextInputPanelPrivate();
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ComplexTextInputPanelImpl* mPanel;
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};
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ComplexTextInputPanelPrivate::ComplexTextInputPanelPrivate()
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{
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mPanel = [[ComplexTextInputPanelImpl alloc] init];
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}
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ComplexTextInputPanelPrivate::~ComplexTextInputPanelPrivate()
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{
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[mPanel release];
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}
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ComplexTextInputPanel*
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ComplexTextInputPanel::GetSharedComplexTextInputPanel()
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{
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static ComplexTextInputPanelPrivate *sComplexTextInputPanelPrivate;
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if (!sComplexTextInputPanelPrivate) {
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sComplexTextInputPanelPrivate = new ComplexTextInputPanelPrivate();
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}
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return sComplexTextInputPanelPrivate;
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}
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void
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ComplexTextInputPanelPrivate::InterpretKeyEvent(void* aEvent, nsAString& aOutText)
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{
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NSString* textString = nil;
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[mPanel interpretKeyEvent:(NSEvent*)aEvent string:&textString];
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if (textString) {
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nsCocoaUtils::GetStringForNSString(textString, aOutText);
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}
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}
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bool
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ComplexTextInputPanelPrivate::IsInComposition()
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{
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return !![mPanel inComposition];
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}
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void
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ComplexTextInputPanelPrivate::PlacePanel(int32_t x, int32_t y)
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{
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[mPanel adjustTo:NSMakePoint(x, y)];
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}
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