543 lines
14 KiB
Objective-C
543 lines
14 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 "cocoa/BrowserView.h"
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#import "cocoa/HistoryView.h"
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#import "cocoa/font.h"
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#import "cocoa/plotter.h"
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#import "cocoa/LocalHistoryController.h"
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#import "cocoa/BrowserWindowController.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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@interface BrowserView ()
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- (void) scrollHorizontal: (CGFloat) amount;
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- (void) scrollVertical: (CGFloat) amount;
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- (CGFloat) pageScroll;
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+ (void)reformatTimerFired: (NSTimer *) timer;
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- (void) reformat;
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- (void) popUpContextMenuForEvent: (NSEvent *) event;
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- (IBAction) cmOpenURLInTab: (id) sender;
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- (IBAction) cmOpenURLInWindow: (id) sender;
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- (IBAction) cmDownloadURL: (id) sender;
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- (IBAction) cmLinkCopy: (id) sender;
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- (IBAction) cmImageCopy: (id) sender;
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@end
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@implementation BrowserView
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@synthesize browser;
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@synthesize caretTimer;
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static const CGFloat CaretWidth = 1.0;
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static const NSTimeInterval CaretBlinkTime = 0.8;
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static NSMutableArray *cocoa_reformat_pending = nil;
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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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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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current_redraw_browser = browser;
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cocoa_set_font_scale_factor( browser->scale );
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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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const struct rect clip = {
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.x0 = cocoa_pt_to_px( NSMinX( rects[i] ) ),
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.y0 = cocoa_pt_to_px( NSMinY( rects[i] ) ),
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.x1 = cocoa_pt_to_px( NSMaxX( rects[i] ) ),
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.y1 = cocoa_pt_to_px( NSMaxY( rects[i] ) )
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};
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browser_window_redraw(browser, 0, 0, &clip);
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}
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current_redraw_browser = NULL;
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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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if ([theEvent modifierFlags] & NSControlKeyMask) {
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[self popUpContextMenuForEvent: theEvent];
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return;
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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) rightMouseDown: (NSEvent *)theEvent;
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{
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[self popUpContextMenuForEvent: theEvent];
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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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browser_mouse_state modifierFlags = cocoa_mouse_flags_for_event( 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)) {
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isDragging = YES;
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browser_window_mouse_click( browser, BROWSER_MOUSE_DRAG_1 | modifierFlags, dragStart.x, dragStart.y );
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}
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}
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if (isDragging) {
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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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if (browser_window_key_press( browser, KEY_LEFT )) return;
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[self scrollHorizontal: -[[self enclosingScrollView] horizontalLineScroll]];
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}
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- (void) moveRight: (id)sender;
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{
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if (browser_window_key_press( browser, KEY_RIGHT )) return;
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[self scrollHorizontal: [[self enclosingScrollView] horizontalLineScroll]];
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}
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- (void) moveUp: (id)sender;
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{
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if (browser_window_key_press( browser, KEY_UP )) return;
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[self scrollVertical: -[[self enclosingScrollView] lineScroll]];
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}
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- (void) moveDown: (id)sender;
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{
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if (browser_window_key_press( browser, KEY_DOWN )) return;
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[self scrollVertical: [[self enclosingScrollView] lineScroll]];
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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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if (browser_window_key_press( browser, KEY_PAGE_UP )) return;
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[self scrollVertical: -[self pageScroll]];
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}
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- (void) scrollPageDown: (id)sender;
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{
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if (browser_window_key_press( browser, KEY_PAGE_DOWN )) return;
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[self scrollVertical: [self pageScroll]];
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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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if (browser_window_key_press( browser, KEY_TEXT_START )) return;
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}
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- (void) scrollToBeginningOfDocument: (id) sender;
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{
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NSPoint origin = [self visibleRect].origin;
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origin.y = 0;
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[self scrollPoint: origin];
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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) scrollToEndOfDocument: (id) sender;
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{
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NSPoint origin = [self visibleRect].origin;
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origin.y = NSHeight( [self frame] );
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[self scrollPoint: origin];
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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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browser->reformat_pending = true;
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browser_reformat_pending = true;
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if (cocoa_reformat_pending == nil) {
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cocoa_reformat_pending = [[NSMutableArray alloc] init];
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}
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[cocoa_reformat_pending addObject: self];
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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 = [[LocalHistoryController alloc] initWithBrowser: browser];
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[history attachToView: [(BrowserWindowController *)[[self window] windowController] historyButton]];
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} else {
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[history detach];
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}
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}
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- (void) scrollHorizontal: (CGFloat) amount;
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{
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NSPoint currentPoint = [self visibleRect].origin;
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currentPoint.x += amount;
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[self scrollPoint: currentPoint];
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}
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- (void) scrollVertical: (CGFloat) amount;
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{
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NSPoint currentPoint = [self visibleRect].origin;
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currentPoint.y += amount;
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[self scrollPoint: currentPoint];
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}
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- (CGFloat) pageScroll;
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{
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return NSHeight( [[self superview] frame] ) - [[self enclosingScrollView] pageScroll];
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}
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- (void) reformat;
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{
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NSRect size = [[self superview] frame];
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browser_window_reformat( browser, cocoa_pt_to_px( NSWidth( size ) ), cocoa_pt_to_px( NSHeight( size ) ) );
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}
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+ (void)reformatTimerFired: (NSTimer *) timer;
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{
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if (browser_reformat_pending) {
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[cocoa_reformat_pending makeObjectsPerformSelector: @selector( reformat )];
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[cocoa_reformat_pending removeAllObjects];
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browser_reformat_pending = false;
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}
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}
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+ (void) initialize;
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{
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NSTimer *timer = [[NSTimer alloc] initWithFireDate: nil interval: 0.02
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target: self selector: @selector(reformatTimerFired:)
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userInfo: nil repeats: YES];
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[[NSRunLoop currentRunLoop] addTimer: timer forMode: NSRunLoopCommonModes];
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[timer release];
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}
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- (void) popUpContextMenuForEvent: (NSEvent *) event;
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{
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if (content_get_type( browser->current_content ) != CONTENT_HTML) return;
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NSMenu *popupMenu = [[NSMenu alloc] initWithTitle: @""];
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NSPoint point = [self convertMousePoint: event];
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struct box *box = NULL;
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if ((box = box = box_object_at_point( browser->current_content, point.x, point.y )) != NULL) {
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NSString *imageURL = [NSString stringWithUTF8String: content_get_url( box->object )];
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[[popupMenu addItemWithTitle: @"Open image in new tab" action: @selector(cmOpenURLInTab:)
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keyEquivalent: @""] setRepresentedObject: imageURL];
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[[popupMenu addItemWithTitle: @"Open image in new window" action: @selector(cmOpenURLInWindow:)
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keyEquivalent: @""] setRepresentedObject: imageURL];
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[[popupMenu addItemWithTitle: @"Save image as" action: @selector(cmDownloadURL:)
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keyEquivalent: @""] setRepresentedObject: imageURL];
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[[popupMenu addItemWithTitle: @"Copy image" action: @selector(cmImageCopy:)
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keyEquivalent: @""] setRepresentedObject: (id)content_get_bitmap( box->object )];
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[popupMenu addItem: [NSMenuItem separatorItem]];
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}
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if ((box = box_href_at_point( browser->current_content, point.x, point.y )) != NULL) {
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NSString *target = [NSString stringWithUTF8String: box->href];
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[[popupMenu addItemWithTitle: @"Open link in new tab" action: @selector(cmOpenURLInTab:)
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keyEquivalent: @""] setRepresentedObject: target];
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[[popupMenu addItemWithTitle: @"Open link in new window" action: @selector(cmOpenURLInWindow:)
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keyEquivalent: @""] setRepresentedObject: target];
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[[popupMenu addItemWithTitle: @"Save link target" action: @selector(cmDownloadURL:)
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keyEquivalent: @""] setRepresentedObject: target];
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[[popupMenu addItemWithTitle: @"Copy link" action: @selector(cmLinkCopy:)
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keyEquivalent: @""] setRepresentedObject: target];
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[popupMenu addItem: [NSMenuItem separatorItem]];
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}
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[popupMenu addItemWithTitle: @"Back" action: @selector(goBack:) keyEquivalent: @""];
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[popupMenu addItemWithTitle: @"Reload" action: @selector(reloadPage:) keyEquivalent: @""];
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[popupMenu addItemWithTitle: @"Forward" action: @selector(goForward:) keyEquivalent: @""];
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[NSMenu popUpContextMenu: popupMenu withEvent: event forView: self];
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[popupMenu release];
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}
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- (IBAction) cmOpenURLInTab: (id) sender;
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{
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browser_window_create( [[sender representedObject] UTF8String], browser, NULL, true, true );
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}
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- (IBAction) cmOpenURLInWindow: (id) sender;
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{
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browser_window_create( [[sender representedObject] UTF8String], browser, NULL, true, false );
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}
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- (IBAction) cmDownloadURL: (id) sender;
|
|
{
|
|
browser_window_download( browser, [[sender representedObject] UTF8String], NULL );
|
|
}
|
|
|
|
- (IBAction) cmImageCopy: (id) sender;
|
|
{
|
|
NSPasteboard *pb = [NSPasteboard generalPasteboard];
|
|
[pb declareTypes: [NSArray arrayWithObject: NSTIFFPboardType] owner: nil];
|
|
[pb setData: [[sender representedObject] TIFFRepresentation] forType: NSTIFFPboardType];
|
|
}
|
|
|
|
- (IBAction) cmLinkCopy: (id) sender;
|
|
{
|
|
NSPasteboard *pb = [NSPasteboard generalPasteboard];
|
|
[pb declareTypes: [NSArray arrayWithObject: NSStringPboardType] owner: nil];
|
|
[pb setString: [sender representedObject] forType: NSStringPboardType];
|
|
}
|
|
|
|
@end
|