netsurf/cocoa/BrowserView.m
Michael Drake 5cefc9584a Pass clip rect to browser_window_redraw as pointer.
svn path=/trunk/netsurf/; revision=11672
2011-02-13 23:04:26 +00:00

542 lines
14 KiB
Objective-C

/*
* Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "cocoa/BrowserView.h"
#import "cocoa/HistoryView.h"
#import "cocoa/font.h"
#import "cocoa/plotter.h"
#import "desktop/browser.h"
#import "desktop/history_core.h"
#import "desktop/plotters.h"
#import "desktop/textinput.h"
#import "desktop/options.h"
#import "desktop/selection.h"
@interface BrowserView ()
- (void) scrollHorizontal: (CGFloat) amount;
- (void) scrollVertical: (CGFloat) amount;
- (CGFloat) pageScroll;
+ (void)reformatTimerFired: (NSTimer *) timer;
- (void) reformat;
- (void) popUpContextMenuForEvent: (NSEvent *) event;
- (IBAction) cmOpenURLInTab: (id) sender;
- (IBAction) cmOpenURLInWindow: (id) sender;
- (IBAction) cmDownloadURL: (id) sender;
- (IBAction) cmLinkCopy: (id) sender;
- (IBAction) cmImageCopy: (id) sender;
@end
@implementation BrowserView
@synthesize browser;
@synthesize caretTimer;
static const CGFloat CaretWidth = 1.0;
static const NSTimeInterval CaretBlinkTime = 0.8;
static NSMutableArray *cocoa_reformat_pending = nil;
- (void) dealloc;
{
[self setCaretTimer: nil];
[history release];
[super dealloc];
}
- (void) setCaretTimer: (NSTimer *)newTimer;
{
if (newTimer != caretTimer) {
[caretTimer invalidate];
[caretTimer release];
caretTimer = [newTimer retain];
}
}
static inline NSRect cocoa_get_caret_rect( BrowserView *view )
{
NSRect caretRect = {
.origin = NSMakePoint( view->caretPoint.x * view->browser->scale, view->caretPoint.y * view->browser->scale ),
.size = NSMakeSize( CaretWidth, view->caretHeight * view->browser->scale )
};
return caretRect;
}
- (void) removeCaret;
{
hasCaret = NO;
[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
[self setCaretTimer: nil];
}
- (void) addCaretAt: (NSPoint) point height: (CGFloat) height;
{
if (hasCaret) {
[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
}
caretPoint = point;
caretHeight = height;
hasCaret = YES;
caretVisible = YES;
if (nil == caretTimer) {
[self setCaretTimer: [NSTimer scheduledTimerWithTimeInterval: CaretBlinkTime target: self selector: @selector(caretBlink:) userInfo: nil repeats: YES]];
} else {
[caretTimer setFireDate: [NSDate dateWithTimeIntervalSinceNow: CaretBlinkTime]];
}
[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
}
- (void) caretBlink: (NSTimer *)timer;
{
if (hasCaret) {
caretVisible = !caretVisible;
[self setNeedsDisplayInRect: cocoa_get_caret_rect( self )];
}
}
- (void)drawRect:(NSRect)dirtyRect;
{
struct rect clip;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
current_redraw_browser = browser;
cocoa_set_font_scale_factor( browser->scale );
NSRect frame = [self bounds];
const NSRect *rects = NULL;
NSInteger count = 0;
[self getRectsBeingDrawn: &rects count: &count];
for (NSInteger i = 0; i < count; i++) {
clip.x0 = cocoa_pt_to_px( NSMinX( rects[i] ) );
clip.y0 = cocoa_pt_to_px( NSMinY( rects[i] ) );
clip.x1 = cocoa_pt_to_px( NSMaxX( rects[i] ) );
clip.y1 = cocoa_pt_to_px( NSMaxY( rects[i] ) );
browser_window_redraw(browser, 0, 0, &clip);
}
current_redraw_browser = NULL;
NSRect caretRect = cocoa_get_caret_rect( self );
if (hasCaret && caretVisible && [self needsToDrawRect: caretRect]) {
[[NSColor blackColor] set];
[NSBezierPath fillRect: caretRect];
}
[pool release];
}
- (BOOL) isFlipped;
{
return YES;
}
static browser_mouse_state cocoa_mouse_flags_for_event( NSEvent *evt )
{
browser_mouse_state result = 0;
NSUInteger flags = [evt modifierFlags];
if (flags & NSShiftKeyMask) result |= BROWSER_MOUSE_MOD_1;
if (flags & NSAlternateKeyMask) result |= BROWSER_MOUSE_MOD_2;
return result;
}
- (NSPoint) convertMousePoint: (NSEvent *)event;
{
NSPoint location = [self convertPoint: [event locationInWindow] fromView: nil];
if (NULL != browser) {
location.x /= browser->scale;
location.y /= browser->scale;
}
location.x = cocoa_pt_to_px( location.x );
location.y = cocoa_pt_to_px( location.y );
return location;
}
- (void) mouseDown: (NSEvent *)theEvent;
{
if ([theEvent modifierFlags] & NSControlKeyMask) {
[self popUpContextMenuForEvent: theEvent];
return;
}
dragStart = [self convertMousePoint: theEvent];
browser_window_mouse_click( browser, BROWSER_MOUSE_PRESS_1 | cocoa_mouse_flags_for_event( theEvent ), dragStart.x, dragStart.y );
}
- (void) rightMouseDown: (NSEvent *)theEvent;
{
[self popUpContextMenuForEvent: theEvent];
}
- (void) mouseUp: (NSEvent *)theEvent;
{
if (historyVisible) {
[self setHistoryVisible: NO];
return;
}
NSPoint location = [self convertMousePoint: theEvent];
browser_mouse_state modifierFlags = cocoa_mouse_flags_for_event( theEvent );
if (isDragging) {
isDragging = NO;
browser_window_mouse_drag_end( browser, modifierFlags, location.x, location.y );
} else {
modifierFlags |= BROWSER_MOUSE_CLICK_1;
if ([theEvent clickCount] == 2) modifierFlags |= BROWSER_MOUSE_DOUBLE_CLICK;
browser_window_mouse_click( browser, modifierFlags, location.x, location.y );
}
}
#define squared(x) ((x)*(x))
#define MinDragDistance (5.0)
- (void) mouseDragged: (NSEvent *)theEvent;
{
NSPoint location = [self convertMousePoint: theEvent];
browser_mouse_state modifierFlags = cocoa_mouse_flags_for_event( theEvent );
if (!isDragging) {
const CGFloat distance = squared( dragStart.x - location.x ) + squared( dragStart.y - location.y );
if (distance >= squared( MinDragDistance)) {
isDragging = YES;
browser_window_mouse_click( browser, BROWSER_MOUSE_DRAG_1 | modifierFlags, dragStart.x, dragStart.y );
}
}
if (isDragging) {
browser_window_mouse_track( browser, BROWSER_MOUSE_HOLDING_1 | BROWSER_MOUSE_DRAG_ON | modifierFlags, location.x, location.y );
}
}
- (void) mouseMoved: (NSEvent *)theEvent;
{
NSPoint location = [self convertMousePoint: theEvent];
browser_window_mouse_track( browser, cocoa_mouse_flags_for_event( theEvent ), location.x, location.y );
}
- (void) keyDown: (NSEvent *)theEvent;
{
[self interpretKeyEvents: [NSArray arrayWithObject: theEvent]];
}
- (void) insertText: (id)string;
{
for (NSUInteger i = 0, length = [string length]; i < length; i++) {
unichar ch = [string characterAtIndex: i];
browser_window_key_press( browser, ch );
}
}
- (void) moveLeft: (id)sender;
{
if (browser_window_key_press( browser, KEY_LEFT )) return;
[self scrollHorizontal: -[[self enclosingScrollView] horizontalLineScroll]];
}
- (void) moveRight: (id)sender;
{
if (browser_window_key_press( browser, KEY_RIGHT )) return;
[self scrollHorizontal: [[self enclosingScrollView] horizontalLineScroll]];
}
- (void) moveUp: (id)sender;
{
if (browser_window_key_press( browser, KEY_UP )) return;
[self scrollVertical: -[[self enclosingScrollView] lineScroll]];
}
- (void) moveDown: (id)sender;
{
if (browser_window_key_press( browser, KEY_DOWN )) return;
[self scrollVertical: [[self enclosingScrollView] lineScroll]];
}
- (void) deleteBackward: (id)sender;
{
browser_window_key_press( browser, KEY_DELETE_LEFT );
}
- (void) deleteForward: (id)sender;
{
browser_window_key_press( browser, KEY_DELETE_RIGHT );
}
- (void) cancelOperation: (id)sender;
{
browser_window_key_press( browser, KEY_ESCAPE );
}
- (void) scrollPageUp: (id)sender;
{
if (browser_window_key_press( browser, KEY_PAGE_UP )) return;
[self scrollVertical: -[self pageScroll]];
}
- (void) scrollPageDown: (id)sender;
{
if (browser_window_key_press( browser, KEY_PAGE_DOWN )) return;
[self scrollVertical: [self pageScroll]];
}
- (void) insertTab: (id)sender;
{
browser_window_key_press( browser, KEY_TAB );
}
- (void) insertBacktab: (id)sender;
{
browser_window_key_press( browser, KEY_SHIFT_TAB );
}
- (void) moveToBeginningOfLine: (id)sender;
{
browser_window_key_press( browser, KEY_LINE_START );
}
- (void) moveToEndOfLine: (id)sender;
{
browser_window_key_press( browser, KEY_LINE_END );
}
- (void) moveToBeginningOfDocument: (id)sender;
{
if (browser_window_key_press( browser, KEY_TEXT_START )) return;
}
- (void) scrollToBeginningOfDocument: (id) sender;
{
NSPoint origin = [self visibleRect].origin;
origin.y = 0;
[self scrollPoint: origin];
}
- (void) moveToEndOfDocument: (id)sender;
{
browser_window_key_press( browser, KEY_TEXT_END );
}
- (void) scrollToEndOfDocument: (id) sender;
{
NSPoint origin = [self visibleRect].origin;
origin.y = NSHeight( [self frame] );
[self scrollPoint: origin];
}
- (void) insertNewline: (id)sender;
{
browser_window_key_press( browser, KEY_NL );
}
- (void) selectAll: (id)sender;
{
browser_window_key_press( browser, KEY_SELECT_ALL );
}
- (void) copy: (id) sender;
{
browser_window_key_press( browser, KEY_COPY_SELECTION );
}
- (void) cut: (id) sender;
{
browser_window_key_press( browser, KEY_CUT_SELECTION );
}
- (void) paste: (id) sender;
{
browser_window_key_press( browser, KEY_PASTE );
}
- (BOOL) acceptsFirstResponder;
{
return YES;
}
- (void) adjustFrame;
{
browser->reformat_pending = true;
browser_reformat_pending = true;
if (cocoa_reformat_pending == nil) {
cocoa_reformat_pending = [[NSMutableArray alloc] init];
}
[cocoa_reformat_pending addObject: self];
[super adjustFrame];
}
- (BOOL) isHistoryVisible;
{
return historyVisible;
}
- (void) setHistoryVisible: (BOOL) newVisible;
{
if (newVisible == historyVisible) return;
historyVisible = newVisible;
if (historyVisible) {
if (nil == history) history = [[HistoryView alloc] initWithBrowser: browser];
[history fadeIntoView: self];
} else {
[history fadeOut];
}
}
- (void) scrollHorizontal: (CGFloat) amount;
{
NSPoint currentPoint = [self visibleRect].origin;
currentPoint.x += amount;
[self scrollPoint: currentPoint];
}
- (void) scrollVertical: (CGFloat) amount;
{
NSPoint currentPoint = [self visibleRect].origin;
currentPoint.y += amount;
[self scrollPoint: currentPoint];
}
- (CGFloat) pageScroll;
{
return NSHeight( [[self superview] frame] ) - [[self enclosingScrollView] pageScroll];
}
- (void) reformat;
{
NSRect size = [[self superview] frame];
browser_window_reformat( browser, cocoa_pt_to_px( NSWidth( size ) ), cocoa_pt_to_px( NSHeight( size ) ) );
}
+ (void)reformatTimerFired: (NSTimer *) timer;
{
if (browser_reformat_pending) {
[cocoa_reformat_pending makeObjectsPerformSelector: @selector( reformat )];
[cocoa_reformat_pending removeAllObjects];
browser_reformat_pending = false;
}
}
+ (void) initialize;
{
NSTimer *timer = [[NSTimer alloc] initWithFireDate: nil interval: 0.02
target: self selector: @selector(reformatTimerFired:)
userInfo: nil repeats: YES];
[[NSRunLoop currentRunLoop] addTimer: timer forMode: NSRunLoopCommonModes];
[timer release];
}
- (void) popUpContextMenuForEvent: (NSEvent *) event;
{
if (content_get_type( browser->current_content ) != CONTENT_HTML) return;
NSMenu *popupMenu = [[NSMenu alloc] initWithTitle: @""];
NSPoint point = [self convertMousePoint: event];
struct box *box = NULL;
if ((box = box = box_object_at_point( browser->current_content, point.x, point.y )) != NULL) {
NSString *imageURL = [NSString stringWithUTF8String: content_get_url( box->object )];
[[popupMenu addItemWithTitle: @"Open image in new tab" action: @selector(cmOpenURLInTab:)
keyEquivalent: @""] setRepresentedObject: imageURL];
[[popupMenu addItemWithTitle: @"Open image in new window" action: @selector(cmOpenURLInWindow:)
keyEquivalent: @""] setRepresentedObject: imageURL];
[[popupMenu addItemWithTitle: @"Save image as" action: @selector(cmDownloadURL:)
keyEquivalent: @""] setRepresentedObject: imageURL];
[[popupMenu addItemWithTitle: @"Copy image" action: @selector(cmImageCopy:)
keyEquivalent: @""] setRepresentedObject: (id)content_get_bitmap( box->object )];
[popupMenu addItem: [NSMenuItem separatorItem]];
}
if ((box = box_href_at_point( browser->current_content, point.x, point.y )) != NULL) {
NSString *target = [NSString stringWithUTF8String: box->href];
[[popupMenu addItemWithTitle: @"Open link in new tab" action: @selector(cmOpenURLInTab:)
keyEquivalent: @""] setRepresentedObject: target];
[[popupMenu addItemWithTitle: @"Open link in new window" action: @selector(cmOpenURLInWindow:)
keyEquivalent: @""] setRepresentedObject: target];
[[popupMenu addItemWithTitle: @"Save link target" action: @selector(cmDownloadURL:)
keyEquivalent: @""] setRepresentedObject: target];
[[popupMenu addItemWithTitle: @"Copy link" action: @selector(cmLinkCopy:)
keyEquivalent: @""] setRepresentedObject: target];
[popupMenu addItem: [NSMenuItem separatorItem]];
}
[popupMenu addItemWithTitle: @"Back" action: @selector(goBack:) keyEquivalent: @""];
[popupMenu addItemWithTitle: @"Reload" action: @selector(reloadPage:) keyEquivalent: @""];
[popupMenu addItemWithTitle: @"Forward" action: @selector(goForward:) keyEquivalent: @""];
[NSMenu popUpContextMenu: popupMenu withEvent: event forView: self];
[popupMenu release];
}
- (IBAction) cmOpenURLInTab: (id) sender;
{
browser_window_create( [[sender representedObject] UTF8String], browser, NULL, true, true );
}
- (IBAction) cmOpenURLInWindow: (id) sender;
{
browser_window_create( [[sender representedObject] UTF8String], browser, NULL, true, false );
}
- (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