mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-25 13:37:02 +03:00
374 lines
8.7 KiB
Objective-C
374 lines
8.7 KiB
Objective-C
/*
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* Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#import "BrowserView.h"
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#import "HistoryView.h"
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#import "desktop/browser.h"
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#import "desktop/history_core.h"
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#import "desktop/plotters.h"
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#import "desktop/textinput.h"
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#import "desktop/options.h"
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#import "desktop/selection.h"
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#import "cocoa/font.h"
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#import "cocoa/plotter.h"
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@implementation BrowserView
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@synthesize browser;
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@synthesize caretTimer;
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@synthesize resizing = isResizing;
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static const CGFloat CaretWidth = 1.0;
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static const NSTimeInterval CaretBlinkTime = 0.8;
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- (void) dealloc;
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{
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[self setCaretTimer: nil];
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[history release];
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[super dealloc];
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}
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- (void) setCaretTimer: (NSTimer *)newTimer;
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{
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if (newTimer != caretTimer) {
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[caretTimer invalidate];
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[caretTimer release];
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caretTimer = [newTimer retain];
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}
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}
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static inline NSRect cocoa_get_caret_rect( BrowserView *view )
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{
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NSRect caretRect = {
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.origin = NSMakePoint( view->caretPoint.x * view->browser->scale, view->caretPoint.y * view->browser->scale ),
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.size = NSMakeSize( CaretWidth, view->caretHeight * view->browser->scale )
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};
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return caretRect;
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}
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- (void) removeCaret;
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{
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hasCaret = NO;
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[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
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[self setCaretTimer: nil];
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}
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- (void) addCaretAt: (NSPoint) point height: (CGFloat) height;
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{
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if (hasCaret) {
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[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
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}
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caretPoint = point;
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caretHeight = height;
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hasCaret = YES;
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caretVisible = YES;
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if (nil == caretTimer) {
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[self setCaretTimer: [NSTimer scheduledTimerWithTimeInterval: CaretBlinkTime target: self selector: @selector(caretBlink:) userInfo: nil repeats: YES]];
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} else {
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[caretTimer setFireDate: [NSDate dateWithTimeIntervalSinceNow: CaretBlinkTime]];
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}
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[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
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}
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- (void) caretBlink: (NSTimer *)timer;
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{
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if (hasCaret) {
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caretVisible = !caretVisible;
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[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
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}
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}
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- (void)drawRect:(NSRect)dirtyRect;
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{
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if (NULL == browser->current_content) return;
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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cocoa_set_font_scale_factor( browser->scale );
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NSRect frame = [self bounds];
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const NSRect *rects = NULL;
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NSInteger count = 0;
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[self getRectsBeingDrawn: &rects count: &count];
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for (NSInteger i = 0; i < count; i++) {
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plot.clip( NSMinX( rects[i] ), NSMinY( rects[i]), NSMaxX( rects[i] ), NSMaxY( rects[i] ) );
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content_redraw(browser->current_content,
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0,
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0,
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cocoa_pt_to_px( NSWidth( frame ) ),
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cocoa_pt_to_px( NSHeight( frame ) ),
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cocoa_pt_to_px( NSMinX( rects[i] ) ),
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cocoa_pt_to_px( NSMinY( rects[i] ) ),
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cocoa_pt_to_px( NSMaxX( rects[i] ) ),
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cocoa_pt_to_px( NSMaxY( rects[i] ) ),
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browser->scale,
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0xFFFFFF);
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}
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NSRect caretRect = cocoa_get_caret_rect( self );
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if (hasCaret && caretVisible && [self needsToDrawRect: caretRect]) {
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[[NSColor blackColor] set];
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[NSBezierPath fillRect: caretRect];
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}
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[pool release];
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}
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- (BOOL) isFlipped;
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{
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return YES;
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}
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static browser_mouse_state cocoa_mouse_flags_for_event( NSEvent *evt )
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{
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browser_mouse_state result = 0;
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NSUInteger flags = [evt modifierFlags];
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if (flags & NSShiftKeyMask) result |= BROWSER_MOUSE_MOD_1;
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if (flags & NSAlternateKeyMask) result |= BROWSER_MOUSE_MOD_2;
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return result;
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}
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- (NSPoint) convertMousePoint: (NSEvent *)event;
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{
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NSPoint location = [self convertPoint: [event locationInWindow] fromView: nil];
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if (NULL != browser) {
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location.x /= browser->scale;
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location.y /= browser->scale;
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}
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location.x = cocoa_pt_to_px( location.x );
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location.y = cocoa_pt_to_px( location.y );
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return location;
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}
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- (void) mouseDown: (NSEvent *)theEvent;
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{
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dragStart = [self convertMousePoint: theEvent];
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browser_window_mouse_click( browser, BROWSER_MOUSE_PRESS_1 | cocoa_mouse_flags_for_event( theEvent ), dragStart.x, dragStart.y );
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}
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- (void) mouseUp: (NSEvent *)theEvent;
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{
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if (historyVisible) {
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[self setHistoryVisible: NO];
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return;
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}
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NSPoint location = [self convertMousePoint: theEvent];
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browser_mouse_state modifierFlags = cocoa_mouse_flags_for_event( theEvent );
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if (isDragging) {
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isDragging = NO;
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browser_window_mouse_drag_end( browser, modifierFlags, location.x, location.y );
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} else {
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modifierFlags |= BROWSER_MOUSE_CLICK_1;
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if ([theEvent clickCount] == 2) modifierFlags |= BROWSER_MOUSE_DOUBLE_CLICK;
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browser_window_mouse_click( browser, modifierFlags, location.x, location.y );
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}
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}
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#define squared(x) ((x)*(x))
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#define MinDragDistance (5.0)
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- (void) mouseDragged: (NSEvent *)theEvent;
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{
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NSPoint location = [self convertMousePoint: theEvent];
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if (!isDragging) {
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const CGFloat distance = squared( dragStart.x - location.x ) + squared( dragStart.y - location.y );
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if (distance >= squared( MinDragDistance)) isDragging = YES;
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}
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if (isDragging) {
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browser_mouse_state modifierFlags = cocoa_mouse_flags_for_event( theEvent );
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browser_window_mouse_click( browser, BROWSER_MOUSE_DRAG_1 | modifierFlags, location.x, location.y );
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browser_window_mouse_track( browser, BROWSER_MOUSE_HOLDING_1 | BROWSER_MOUSE_DRAG_ON | modifierFlags, location.x, location.y );
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}
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}
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- (void) mouseMoved: (NSEvent *)theEvent;
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{
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NSPoint location = [self convertMousePoint: theEvent];
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browser_window_mouse_track( browser, cocoa_mouse_flags_for_event( theEvent ), location.x, location.y );
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}
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- (void) keyDown: (NSEvent *)theEvent;
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{
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[self interpretKeyEvents: [NSArray arrayWithObject: theEvent]];
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}
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- (void) insertText: (id)string;
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{
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for (NSUInteger i = 0, length = [string length]; i < length; i++) {
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unichar ch = [string characterAtIndex: i];
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browser_window_key_press( browser, ch );
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}
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}
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- (void) moveLeft: (id)sender;
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{
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browser_window_key_press( browser, KEY_LEFT );
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}
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- (void) moveRight: (id)sender;
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{
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browser_window_key_press( browser, KEY_RIGHT );
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}
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- (void) moveUp: (id)sender;
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{
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browser_window_key_press( browser, KEY_UP );
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}
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- (void) moveDown: (id)sender;
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{
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browser_window_key_press( browser, KEY_DOWN );
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}
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- (void) deleteBackward: (id)sender;
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{
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browser_window_key_press( browser, KEY_DELETE_LEFT );
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}
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- (void) deleteForward: (id)sender;
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{
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browser_window_key_press( browser, KEY_DELETE_RIGHT );
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}
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- (void) cancelOperation: (id)sender;
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{
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browser_window_key_press( browser, KEY_ESCAPE );
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}
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- (void) scrollPageUp: (id)sender;
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{
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browser_window_key_press( browser, KEY_PAGE_UP );
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}
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- (void) scrollPageDown: (id)sender;
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{
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browser_window_key_press( browser, KEY_PAGE_DOWN );
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}
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- (void) insertTab: (id)sender;
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{
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browser_window_key_press( browser, KEY_TAB );
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}
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- (void) insertBacktab: (id)sender;
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{
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browser_window_key_press( browser, KEY_SHIFT_TAB );
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}
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- (void) moveToBeginningOfLine: (id)sender;
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{
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browser_window_key_press( browser, KEY_LINE_START );
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}
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- (void) moveToEndOfLine: (id)sender;
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{
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browser_window_key_press( browser, KEY_LINE_END );
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}
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- (void) moveToBeginningOfDocument: (id)sender;
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{
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browser_window_key_press( browser, KEY_TEXT_START );
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}
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- (void) moveToEndOfDocument: (id)sender;
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{
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browser_window_key_press( browser, KEY_TEXT_END );
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}
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- (void) insertNewline: (id)sender;
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{
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browser_window_key_press( browser, KEY_NL );
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}
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- (void) selectAll: (id)sender;
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{
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browser_window_key_press( browser, KEY_SELECT_ALL );
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}
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- (void) copy: (id) sender;
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{
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browser_window_key_press( browser, KEY_COPY_SELECTION );
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}
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- (void) cut: (id) sender;
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{
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browser_window_key_press( browser, KEY_CUT_SELECTION );
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}
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- (void) paste: (id) sender;
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{
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browser_window_key_press( browser, KEY_PASTE );
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}
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- (BOOL) acceptsFirstResponder;
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{
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return YES;
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}
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- (void) adjustFrame;
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{
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if (!isResizing) {
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NSSize frameSize = [[self superview] frame].size;
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browser_window_reformat( browser, cocoa_pt_to_px( frameSize.width ), cocoa_pt_to_px( frameSize.height ) );
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}
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[super adjustFrame];
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}
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- (BOOL) isHistoryVisible;
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{
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return historyVisible;
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}
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- (void) setHistoryVisible: (BOOL) newVisible;
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{
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if (newVisible == historyVisible) return;
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historyVisible = newVisible;
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if (historyVisible) {
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if (nil == history) history = [[HistoryView alloc] initWithBrowser: browser];
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[history fadeIntoView: self];
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} else {
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[history fadeOut];
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}
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}
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@end
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