Revision: 5024
http://skim-app.svn.sourceforge.net/skim-app/?rev=5024&view=rev
Author: hofman
Date: 2008-12-04 17:12:06 +0000 (Thu, 04 Dec 2008)
Log Message:
-----------
Rename pdfview class, first step in creating a common superclass
Added Paths:
-----------
trunk/SKZoomablePDFView.h
trunk/SKZoomablePDFView.m
Removed Paths:
-------------
trunk/SKSnapshotPDFView.h
trunk/SKSnapshotPDFView.m
Deleted: trunk/SKSnapshotPDFView.h
===================================================================
--- trunk/SKSnapshotPDFView.h 2008-12-04 16:01:23 UTC (rev 5023)
+++ trunk/SKSnapshotPDFView.h 2008-12-04 17:12:06 UTC (rev 5024)
@@ -1,63 +0,0 @@
-//
-// SKSnapshotPDFView.h
-// Bibdesk
-//
-// Created by Adam Maxwell on 07/23/05.
-/*
- This software is Copyright (c) 2005-2008
- Adam Maxwell. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- - Neither the name of Adam Maxwell nor the names of any
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#import <Cocoa/Cocoa.h>
-#import <Quartz/Quartz.h>
-
-
[EMAIL PROTECTED] SKSnapshotPDFView : PDFView {
- NSPopUpButton *scalePopUpButton;
- PDFPage *autoFitPage;
- NSRect autoFitRect;
- BOOL autoFits;
- float pinchZoomFactor;
-}
-
-- (BOOL)autoFits;
-- (void)setAutoFits:(BOOL)newAuto;
-- (void)setAutoFits:(BOOL)newAuto adjustPopup:(BOOL)flag;
-- (void)setScaleFactor:(float)factor adjustPopup:(BOOL)flag;
-- (void)scalePopUpAction:(id)sender;
-- (NSScrollView *)scrollView;
-- (void)setScrollerSize:(NSControlSize)controlSize;
-- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification;
-- (void)resetAutoFitRectIfNeeded;
-- (void)makeScalePopUpButton;
-- (NSPopUpButton *)scalePopUpButton;
-
[EMAIL PROTECTED]
Deleted: trunk/SKSnapshotPDFView.m
===================================================================
--- trunk/SKSnapshotPDFView.m 2008-12-04 16:01:23 UTC (rev 5023)
+++ trunk/SKSnapshotPDFView.m 2008-12-04 17:12:06 UTC (rev 5024)
@@ -1,470 +0,0 @@
-//
-// SKSnapshotPDFView.m
-// Bibdesk
-//
-// Created by Adam Maxwell on 07/23/05.
-/*
- This software is Copyright (c) 2005-2008
- Adam Maxwell. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- - Neither the name of Adam Maxwell nor the names of any
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#import "SKSnapshotPDFView.h"
-#import "BDSKHeaderPopUpButton.h"
-#import "NSScrollView_SKExtensions.h"
-#import "NSResponder_SKExtensions.h"
-#import "NSEvent_SKExtensions.h"
-
-
[EMAIL PROTECTED] SKSnapshotPDFView
-
-/* For genstrings:
- NSLocalizedStringFromTable(@"Auto", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"10%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"20%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"25%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"35%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"50%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"60%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"71%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"85%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"100%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"120%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"141%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"170%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"200%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"300%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"400%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"600%", @"ZoomValues", @"Zoom popup entry")
- NSLocalizedStringFromTable(@"800%", @"ZoomValues", @"Zoom popup entry")
-*/
-static NSString *BDSKDefaultScaleMenuLabels[] = {@"Auto", @"10%", @"20%",
@"25%", @"35%", @"50%", @"60%", @"71%", @"85%", @"100%", @"120%", @"141%",
@"170%", @"200%", @"300%", @"400%", @"600%", @"800%"};
-static float BDSKDefaultScaleMenuFactors[] = {0.0, 0.1, 0.2, 0.25, 0.35, 0.5,
0.6, 0.71, 0.85, 1.0, 1.2, 1.41, 1.7, 2.0, 3.0, 4.0, 6.0, 8.0};
-static float BDSKScaleMenuFontSize = 11.0;
-
-#pragma mark Popup button
-
-- (void)commonInitialization {
- scalePopUpButton = nil;
- autoFitPage = nil;
- autoFitRect = NSZeroRect;
- pinchZoomFactor = 1.0;
-
- [self makeScalePopUpButton];
-
- [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
-
name:NSViewFrameDidChangeNotification object:self];
- [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
-
name:NSViewBoundsDidChangeNotification object:self];
-}
-
-- (id)initWithFrame:(NSRect)frameRect {
- if (self = [super initWithFrame:frameRect]) {
- [self commonInitialization];
- }
- return self;
-}
-
-- (id)initWithCoder:(NSCoder *)decoder {
- if (self = [super initWithCoder:decoder]) {
- [self commonInitialization];
- }
- return self;
-}
-
-- (void)dealloc {
- [[NSNotificationCenter defaultCenter] removeObserver:self];
- [super dealloc];
-}
-
-- (void)makeScalePopUpButton {
-
- if (scalePopUpButton == nil) {
-
- NSScrollView *scrollView = [self scrollView];
- [scrollView setHasHorizontalScroller:YES];
-
- // create it
- scalePopUpButton = [[BDSKHeaderPopUpButton allocWithZone:[self zone]]
initWithFrame:NSMakeRect(0.0, 0.0, 1.0, 1.0) pullsDown:NO];
-
- NSControlSize controlSize = [[scrollView horizontalScroller]
controlSize];
- [[scalePopUpButton cell] setControlSize:controlSize];
-
- // set a suitable font, the control size is 0, 1 or 2
- [scalePopUpButton setFont:[NSFont toolTipsFontOfSize:
BDSKScaleMenuFontSize - controlSize]];
-
- unsigned cnt, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuLabels) / sizeof(NSString *));
- id curItem;
- NSString *label;
- float width, maxWidth = 0.0;
- NSSize size = NSMakeSize(1000.0, 1000.0);
- NSDictionary *attrs = [NSDictionary
dictionaryWithObjectsAndKeys:[scalePopUpButton font], NSFontAttributeName, nil];
- unsigned maxIndex = 0;
-
- // fill it
- for (cnt = 0; cnt < numberOfDefaultItems; cnt++) {
- label = [[NSBundle mainBundle]
localizedStringForKey:BDSKDefaultScaleMenuLabels[cnt] value:@""
table:@"ZoomValues"];
- width = NSWidth([label boundingRectWithSize:size options:0
attributes:attrs]);
- if (width > maxWidth) {
- maxWidth = width;
- maxIndex = cnt;
- }
- [scalePopUpButton addItemWithTitle:label];
- curItem = [scalePopUpButton itemAtIndex:cnt];
- [curItem setRepresentedObject:(BDSKDefaultScaleMenuFactors[cnt] >
0.0 ? [NSNumber numberWithFloat:BDSKDefaultScaleMenuFactors[cnt]] : nil)];
- }
- // select the appropriate item, adjusting the scaleFactor if necessary
- if([self autoFits])
- [self setScaleFactor:0.0 adjustPopup:YES];
- else
- [self setScaleFactor:[self scaleFactor] adjustPopup:YES];
-
- // hook it up
- [scalePopUpButton setTarget:self];
- [scalePopUpButton setAction:@selector(scalePopUpAction:)];
-
- // don't let it become first responder
- [scalePopUpButton setRefusesFirstResponder:YES];
-
- // Make sure the popup is big enough to fit the largest cell
- cnt = [scalePopUpButton indexOfSelectedItem];
- [scalePopUpButton selectItemAtIndex:maxIndex];
- [scalePopUpButton sizeToFit];
- [scalePopUpButton selectItemAtIndex:cnt];
-
- // put it in the scrollview
- [scrollView setPlacards:[NSArray arrayWithObject:scalePopUpButton]];
- [scalePopUpButton release];
- }
-}
-
-- (NSPopUpButton *)scalePopUpButton {
- return scalePopUpButton;
-}
-
-- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification {
- if ([self autoFits]) {
- NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
- NSRect rect = [self convertRect:[clipView visibleRect]
fromView:clipView];
- BOOL scaleWidth = NSWidth(rect) / NSHeight(rect) <
NSWidth(autoFitRect) / NSHeight(autoFitRect);
- float factor = scaleWidth ? NSWidth(rect) / NSWidth(autoFitRect) :
NSHeight(rect) / NSHeight(autoFitRect);
- NSRect viewRect = scaleWidth ? NSInsetRect(autoFitRect, 0.0, 0.5 *
(NSHeight(autoFitRect) - NSHeight(rect) / factor)) : NSInsetRect(autoFitRect,
0.5 * (NSWidth(autoFitRect) - NSWidth(rect) / factor), 0.0);
- [super setScaleFactor:factor];
- viewRect = [self convertRect:[self convertRect:viewRect
fromPage:autoFitPage] toView:[self documentView]];
- [[self documentView] scrollRectToVisible:viewRect];
- }
-}
-
-- (void)resetAutoFitRectIfNeeded {
- if ([self autoFits]) {
- NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
- autoFitPage = [self currentPage];
- autoFitRect = [self convertRect:[self convertRect:[clipView
visibleRect] fromView:clipView] toPage:autoFitPage];
- }
-}
-
-- (void)scalePopUpAction:(id)sender {
- NSNumber *selectedFactorObject = [[sender selectedItem] representedObject];
- if(selectedFactorObject)
- [self setScaleFactor:[selectedFactorObject floatValue] adjustPopup:NO];
- else
- [self setAutoFits:YES adjustPopup:NO];
-}
-
-- (BOOL)autoFits {
- return autoFits;
-}
-
-- (void)setAutoFits:(BOOL)newAuto {
- [self setAutoFits:newAuto adjustPopup:YES];
-}
-
-- (void)setAutoFits:(BOOL)newAuto adjustPopup:(BOOL)flag {
- if (autoFits != newAuto) {
- autoFits = newAuto;
- if (autoFits) {
- [super setAutoScales:NO];
- [self resetAutoFitRectIfNeeded];
- if (flag)
- [scalePopUpButton selectItemAtIndex:0];
- } else {
- autoFitPage = nil;
- autoFitRect = NSZeroRect;
- if (flag)
- [self setScaleFactor:[self scaleFactor] adjustPopup:flag];
- }
- }
-}
-
-- (unsigned int)lowerIndexForScaleFactor:(float)scaleFactor {
- unsigned int i, count = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
- for (i = count - 1; i > 0; i--) {
- if (scaleFactor * 1.01 > BDSKDefaultScaleMenuFactors[i])
- return i;
- }
- return 1;
-}
-
-- (unsigned int)upperIndexForScaleFactor:(float)scaleFactor {
- unsigned int i, count = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
- for (i = 1; i < count; i++) {
- if (scaleFactor * 0.99 < BDSKDefaultScaleMenuFactors[i])
- return i;
- }
- return count - 1;
-}
-
-- (unsigned int)indexForScaleFactor:(float)scaleFactor {
- unsigned int lower = [self lowerIndexForScaleFactor:scaleFactor], upper =
[self upperIndexForScaleFactor:scaleFactor];
- if (upper > lower && scaleFactor < 0.5 *
(BDSKDefaultScaleMenuFactors[lower] + BDSKDefaultScaleMenuFactors[upper]))
- return lower;
- return upper;
-}
-
-- (void)setScaleFactor:(float)newScaleFactor {
- [self setScaleFactor:newScaleFactor adjustPopup:YES];
-}
-
-- (void)setScaleFactor:(float)newScaleFactor adjustPopup:(BOOL)flag {
- if (flag) {
- unsigned int i = [self indexForScaleFactor:newScaleFactor];
- [scalePopUpButton selectItemAtIndex:i];
- newScaleFactor = BDSKDefaultScaleMenuFactors[i];
- }
- if ([self autoFits])
- [self setAutoFits:NO adjustPopup:NO];
- [super setScaleFactor:newScaleFactor];
-}
-
-- (void)setAutoScales:(BOOL)newAuto {}
-
-- (IBAction)zoomIn:(id)sender{
- if([self autoFits]){
- [super zoomIn:sender];
- [self setAutoFits:NO adjustPopup:YES];
- }else{
- unsigned int numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
- unsigned int i = [self lowerIndexForScaleFactor:[self scaleFactor]];
- if (i < numberOfDefaultItems - 1) i++;
- [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
- }
-}
-
-- (IBAction)zoomOut:(id)sender{
- if([self autoFits]){
- [super zoomOut:sender];
- [self setAutoFits:NO adjustPopup:YES];
- }else{
- unsigned int i = [self upperIndexForScaleFactor:[self scaleFactor]];
- if (i > 1) i--;
- [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
- }
-}
-
-- (BOOL)canZoomIn{
- if ([super canZoomIn] == NO)
- return NO;
- unsigned int numberOfDefaultItems = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
- unsigned int i = [self lowerIndexForScaleFactor:[self scaleFactor]];
- return i < numberOfDefaultItems - 1;
-}
-
-- (BOOL)canZoomOut{
- if ([super canZoomOut] == NO)
- return NO;
- unsigned int i = [self upperIndexForScaleFactor:[self scaleFactor]];
- return i > 1;
-}
-
-- (void)goToPage:(PDFPage *)aPage {
- [super goToPage:aPage];
- [self resetAutoFitRectIfNeeded];
-}
-
-- (void)goToDestination:(PDFDestination *)destination {
- [super goToDestination:destination];
- [self resetAutoFitRectIfNeeded];
-}
-
-- (void)doAutoFit:(id)sender {
- [self setAutoFits:YES];
-}
-
-- (void)printDocument:(id)sender{
- id document = [[[self window] windowController] document];
- if ([document respondsToSelector:_cmd])
- [document printDocument:sender];
- else if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
- [(id)super printDocument:sender];
-}
-
-- (NSMenu *)menuForEvent:(NSEvent *)theEvent {
- static NSSet *selectionActions = nil;
- if (selectionActions == nil)
- selectionActions = [[NSSet alloc] initWithObjects:@"copy:",
@"_searchInSpotlight:", @"_searchInGoogle:", @"_searchInDictionary:", nil];
- NSMenu *menu = [super menuForEvent:theEvent];
-
- [self setCurrentSelection:nil];
- while ([menu numberOfItems]) {
- NSMenuItem *item = [menu itemAtIndex:0];
- if ([item isSeparatorItem] || [self validateMenuItem:item] == NO ||
[selectionActions containsObject:NSStringFromSelector([item action])])
- [menu removeItemAtIndex:0];
- else
- break;
- }
-
- int i = [menu indexOfItemWithTarget:self
andAction:NSSelectorFromString(@"_setAutoSize:")];
- if (i != -1)
- [[menu itemAtIndex:i] setAction:@selector(doAutoFit:)];
-
- return menu;
-}
-
-- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
- if ([menuItem action] == @selector(doAutoFit:)) {
- [menuItem setState:[self autoFits] ? NSOnState : NSOffState];
- return YES;
- } else if ([menuItem action] == @selector(printDocument:)) {
- return [[self document] allowsPrinting];
- } else if ([[SKSnapshotPDFView superclass]
instancesRespondToSelector:_cmd]) {
- return [super validateMenuItem:menuItem];
- }
- return YES;
-}
-
-#pragma mark Scrollview
-
-- (NSScrollView *)scrollView;
-{
- return [[self documentView] enclosingScrollView];
-}
-
-- (void)setScrollerSize:(NSControlSize)controlSize;
-{
- NSScrollView *scrollView = [[self documentView] enclosingScrollView];
- [scrollView setHasHorizontalScroller:YES];
- [scrollView setHasVerticalScroller:YES];
- [[scrollView horizontalScroller] setControlSize:controlSize];
- [[scrollView verticalScroller] setControlSize:controlSize];
- if(scalePopUpButton){
- [[scalePopUpButton cell] setControlSize:controlSize];
- [scalePopUpButton setFont:[NSFont toolTipsFontOfSize:
BDSKScaleMenuFontSize - controlSize]];
- }
-}
-
-#pragma mark Gestures
-
-- (void)beginGestureWithEvent:(NSEvent *)theEvent {
- if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
- [super beginGestureWithEvent:theEvent];
- pinchZoomFactor = 1.0;
-}
-
-- (void)endGestureWithEvent:(NSEvent *)theEvent {
- if (fabsf(pinchZoomFactor - 1.0) > 0.1)
- [self setScaleFactor:fmaxf(pinchZoomFactor * [self scaleFactor],
BDSKDefaultScaleMenuFactors[1])];
- pinchZoomFactor = 1.0;
- if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
- [super endGestureWithEvent:theEvent];
-}
-
-- (void)magnifyWithEvent:(NSEvent *)theEvent {
- if ([theEvent respondsToSelector:@selector(magnification)]) {
- pinchZoomFactor *= 1.0 + fmaxf(-0.5, fminf(1.0 , [theEvent
magnification]));
- float scaleFactor = pinchZoomFactor * [self scaleFactor];
- unsigned int i = [self indexForScaleFactor:fmaxf(scaleFactor,
BDSKDefaultScaleMenuFactors[1])];
- if (i != [self indexForScaleFactor:[self scaleFactor]]) {
- [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
- pinchZoomFactor = scaleFactor / [self scaleFactor];
- }
- }
-}
-
-#pragma mark Dragging
-
-- (void)mouseDown:(NSEvent *)theEvent{
- [[NSCursor closedHandCursor] push];
-}
-
-- (void)mouseUp:(NSEvent *)theEvent{
- [NSCursor pop];
- NSPoint mouseLoc = [[self documentView] convertPoint:[theEvent
locationInWindow] fromView:nil];
- if (NSPointInRect(mouseLoc, [[self documentView] visibleRect]))
- [[NSCursor openHandCursor] set];
- else
- [[NSCursor arrowCursor] set];
-}
-
-- (void)mouseDragged:(NSEvent *)theEvent {
- NSPoint initialLocation = [theEvent locationInWindow];
- NSRect visibleRect = [[self documentView] visibleRect];
- BOOL keepGoing = YES;
-
- while (keepGoing) {
- theEvent = [[self window] nextEventMatchingMask:
NSLeftMouseUpMask | NSLeftMouseDraggedMask];
- switch ([theEvent type]) {
- case NSLeftMouseDragged:
- {
- NSPoint newLocation;
- NSRect newVisibleRect;
- float xDelta, yDelta;
-
- newLocation = [theEvent locationInWindow];
- xDelta = initialLocation.x - newLocation.x;
- yDelta = initialLocation.y - newLocation.y;
- if ([self isFlipped])
- yDelta = -yDelta;
-
- newVisibleRect = NSOffsetRect (visibleRect,
xDelta, yDelta);
- [[self documentView] scrollRectToVisible:
newVisibleRect];
- }
- break;
-
- case NSLeftMouseUp:
- keepGoing = NO;
- break;
-
- default:
- /* Ignore any other kind of event. */
- break;
- } // end of switch (event type)
- } // end of mouse-tracking loop
-
- if ([self autoFits]) {
- NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
- autoFitPage = [self currentPage];
- autoFitRect = [self convertRect:[self convertRect:[clipView
visibleRect] fromView:clipView] toPage:autoFitPage];
- }
-
- // ??? PDFView's delayed layout seems to reset the cursor to an arrow
- [self performSelector:@selector(mouseMoved:) withObject:theEvent
afterDelay:0];
-}
-
[EMAIL PROTECTED]
Copied: trunk/SKZoomablePDFView.h (from rev 5022, trunk/SKSnapshotPDFView.h)
===================================================================
--- trunk/SKZoomablePDFView.h (rev 0)
+++ trunk/SKZoomablePDFView.h 2008-12-04 17:12:06 UTC (rev 5024)
@@ -0,0 +1,63 @@
+//
+// SKSnapshotPDFView.h
+// Bibdesk
+//
+// Created by Adam Maxwell on 07/23/05.
+/*
+ This software is Copyright (c) 2005-2008
+ Adam Maxwell. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of Adam Maxwell nor the names of any
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import <Quartz/Quartz.h>
+
+
[EMAIL PROTECTED] SKSnapshotPDFView : PDFView {
+ NSPopUpButton *scalePopUpButton;
+ PDFPage *autoFitPage;
+ NSRect autoFitRect;
+ BOOL autoFits;
+ float pinchZoomFactor;
+}
+
+- (BOOL)autoFits;
+- (void)setAutoFits:(BOOL)newAuto;
+- (void)setAutoFits:(BOOL)newAuto adjustPopup:(BOOL)flag;
+- (void)setScaleFactor:(float)factor adjustPopup:(BOOL)flag;
+- (void)scalePopUpAction:(id)sender;
+- (NSScrollView *)scrollView;
+- (void)setScrollerSize:(NSControlSize)controlSize;
+- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification;
+- (void)resetAutoFitRectIfNeeded;
+- (void)makeScalePopUpButton;
+- (NSPopUpButton *)scalePopUpButton;
+
[EMAIL PROTECTED]
Copied: trunk/SKZoomablePDFView.m (from rev 5023, trunk/SKSnapshotPDFView.m)
===================================================================
--- trunk/SKZoomablePDFView.m (rev 0)
+++ trunk/SKZoomablePDFView.m 2008-12-04 17:12:06 UTC (rev 5024)
@@ -0,0 +1,470 @@
+//
+// SKSnapshotPDFView.m
+// Bibdesk
+//
+// Created by Adam Maxwell on 07/23/05.
+/*
+ This software is Copyright (c) 2005-2008
+ Adam Maxwell. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of Adam Maxwell nor the names of any
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "SKSnapshotPDFView.h"
+#import "BDSKHeaderPopUpButton.h"
+#import "NSScrollView_SKExtensions.h"
+#import "NSResponder_SKExtensions.h"
+#import "NSEvent_SKExtensions.h"
+
+
[EMAIL PROTECTED] SKSnapshotPDFView
+
+/* For genstrings:
+ NSLocalizedStringFromTable(@"Auto", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"10%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"20%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"25%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"35%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"50%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"60%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"71%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"85%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"100%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"120%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"141%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"170%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"200%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"300%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"400%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"600%", @"ZoomValues", @"Zoom popup entry")
+ NSLocalizedStringFromTable(@"800%", @"ZoomValues", @"Zoom popup entry")
+*/
+static NSString *BDSKDefaultScaleMenuLabels[] = {@"Auto", @"10%", @"20%",
@"25%", @"35%", @"50%", @"60%", @"71%", @"85%", @"100%", @"120%", @"141%",
@"170%", @"200%", @"300%", @"400%", @"600%", @"800%"};
+static float BDSKDefaultScaleMenuFactors[] = {0.0, 0.1, 0.2, 0.25, 0.35, 0.5,
0.6, 0.71, 0.85, 1.0, 1.2, 1.41, 1.7, 2.0, 3.0, 4.0, 6.0, 8.0};
+static float BDSKScaleMenuFontSize = 11.0;
+
+#pragma mark Popup button
+
+- (void)commonInitialization {
+ scalePopUpButton = nil;
+ autoFitPage = nil;
+ autoFitRect = NSZeroRect;
+ pinchZoomFactor = 1.0;
+
+ [self makeScalePopUpButton];
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewFrameDidChangeNotification object:self];
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewBoundsDidChangeNotification object:self];
+}
+
+- (id)initWithFrame:(NSRect)frameRect {
+ if (self = [super initWithFrame:frameRect]) {
+ [self commonInitialization];
+ }
+ return self;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+ if (self = [super initWithCoder:decoder]) {
+ [self commonInitialization];
+ }
+ return self;
+}
+
+- (void)dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [super dealloc];
+}
+
+- (void)makeScalePopUpButton {
+
+ if (scalePopUpButton == nil) {
+
+ NSScrollView *scrollView = [self scrollView];
+ [scrollView setHasHorizontalScroller:YES];
+
+ // create it
+ scalePopUpButton = [[BDSKHeaderPopUpButton allocWithZone:[self zone]]
initWithFrame:NSMakeRect(0.0, 0.0, 1.0, 1.0) pullsDown:NO];
+
+ NSControlSize controlSize = [[scrollView horizontalScroller]
controlSize];
+ [[scalePopUpButton cell] setControlSize:controlSize];
+
+ // set a suitable font, the control size is 0, 1 or 2
+ [scalePopUpButton setFont:[NSFont toolTipsFontOfSize:
BDSKScaleMenuFontSize - controlSize]];
+
+ unsigned cnt, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuLabels) / sizeof(NSString *));
+ id curItem;
+ NSString *label;
+ float width, maxWidth = 0.0;
+ NSSize size = NSMakeSize(1000.0, 1000.0);
+ NSDictionary *attrs = [NSDictionary
dictionaryWithObjectsAndKeys:[scalePopUpButton font], NSFontAttributeName, nil];
+ unsigned maxIndex = 0;
+
+ // fill it
+ for (cnt = 0; cnt < numberOfDefaultItems; cnt++) {
+ label = [[NSBundle mainBundle]
localizedStringForKey:BDSKDefaultScaleMenuLabels[cnt] value:@""
table:@"ZoomValues"];
+ width = NSWidth([label boundingRectWithSize:size options:0
attributes:attrs]);
+ if (width > maxWidth) {
+ maxWidth = width;
+ maxIndex = cnt;
+ }
+ [scalePopUpButton addItemWithTitle:label];
+ curItem = [scalePopUpButton itemAtIndex:cnt];
+ [curItem setRepresentedObject:(BDSKDefaultScaleMenuFactors[cnt] >
0.0 ? [NSNumber numberWithFloat:BDSKDefaultScaleMenuFactors[cnt]] : nil)];
+ }
+ // select the appropriate item, adjusting the scaleFactor if necessary
+ if([self autoFits])
+ [self setScaleFactor:0.0 adjustPopup:YES];
+ else
+ [self setScaleFactor:[self scaleFactor] adjustPopup:YES];
+
+ // hook it up
+ [scalePopUpButton setTarget:self];
+ [scalePopUpButton setAction:@selector(scalePopUpAction:)];
+
+ // don't let it become first responder
+ [scalePopUpButton setRefusesFirstResponder:YES];
+
+ // Make sure the popup is big enough to fit the largest cell
+ cnt = [scalePopUpButton indexOfSelectedItem];
+ [scalePopUpButton selectItemAtIndex:maxIndex];
+ [scalePopUpButton sizeToFit];
+ [scalePopUpButton selectItemAtIndex:cnt];
+
+ // put it in the scrollview
+ [scrollView setPlacards:[NSArray arrayWithObject:scalePopUpButton]];
+ [scalePopUpButton release];
+ }
+}
+
+- (NSPopUpButton *)scalePopUpButton {
+ return scalePopUpButton;
+}
+
+- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification {
+ if ([self autoFits]) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ NSRect rect = [self convertRect:[clipView visibleRect]
fromView:clipView];
+ BOOL scaleWidth = NSWidth(rect) / NSHeight(rect) <
NSWidth(autoFitRect) / NSHeight(autoFitRect);
+ float factor = scaleWidth ? NSWidth(rect) / NSWidth(autoFitRect) :
NSHeight(rect) / NSHeight(autoFitRect);
+ NSRect viewRect = scaleWidth ? NSInsetRect(autoFitRect, 0.0, 0.5 *
(NSHeight(autoFitRect) - NSHeight(rect) / factor)) : NSInsetRect(autoFitRect,
0.5 * (NSWidth(autoFitRect) - NSWidth(rect) / factor), 0.0);
+ [super setScaleFactor:factor];
+ viewRect = [self convertRect:[self convertRect:viewRect
fromPage:autoFitPage] toView:[self documentView]];
+ [[self documentView] scrollRectToVisible:viewRect];
+ }
+}
+
+- (void)resetAutoFitRectIfNeeded {
+ if ([self autoFits]) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ autoFitPage = [self currentPage];
+ autoFitRect = [self convertRect:[self convertRect:[clipView
visibleRect] fromView:clipView] toPage:autoFitPage];
+ }
+}
+
+- (void)scalePopUpAction:(id)sender {
+ NSNumber *selectedFactorObject = [[sender selectedItem] representedObject];
+ if(selectedFactorObject)
+ [self setScaleFactor:[selectedFactorObject floatValue] adjustPopup:NO];
+ else
+ [self setAutoFits:YES adjustPopup:NO];
+}
+
+- (BOOL)autoFits {
+ return autoFits;
+}
+
+- (void)setAutoFits:(BOOL)newAuto {
+ [self setAutoFits:newAuto adjustPopup:YES];
+}
+
+- (void)setAutoFits:(BOOL)newAuto adjustPopup:(BOOL)flag {
+ if (autoFits != newAuto) {
+ autoFits = newAuto;
+ if (autoFits) {
+ [super setAutoScales:NO];
+ [self resetAutoFitRectIfNeeded];
+ if (flag)
+ [scalePopUpButton selectItemAtIndex:0];
+ } else {
+ autoFitPage = nil;
+ autoFitRect = NSZeroRect;
+ if (flag)
+ [self setScaleFactor:[self scaleFactor] adjustPopup:flag];
+ }
+ }
+}
+
+- (unsigned int)lowerIndexForScaleFactor:(float)scaleFactor {
+ unsigned int i, count = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
+ for (i = count - 1; i > 0; i--) {
+ if (scaleFactor * 1.01 > BDSKDefaultScaleMenuFactors[i])
+ return i;
+ }
+ return 1;
+}
+
+- (unsigned int)upperIndexForScaleFactor:(float)scaleFactor {
+ unsigned int i, count = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
+ for (i = 1; i < count; i++) {
+ if (scaleFactor * 0.99 < BDSKDefaultScaleMenuFactors[i])
+ return i;
+ }
+ return count - 1;
+}
+
+- (unsigned int)indexForScaleFactor:(float)scaleFactor {
+ unsigned int lower = [self lowerIndexForScaleFactor:scaleFactor], upper =
[self upperIndexForScaleFactor:scaleFactor];
+ if (upper > lower && scaleFactor < 0.5 *
(BDSKDefaultScaleMenuFactors[lower] + BDSKDefaultScaleMenuFactors[upper]))
+ return lower;
+ return upper;
+}
+
+- (void)setScaleFactor:(float)newScaleFactor {
+ [self setScaleFactor:newScaleFactor adjustPopup:YES];
+}
+
+- (void)setScaleFactor:(float)newScaleFactor adjustPopup:(BOOL)flag {
+ if (flag) {
+ unsigned int i = [self indexForScaleFactor:newScaleFactor];
+ [scalePopUpButton selectItemAtIndex:i];
+ newScaleFactor = BDSKDefaultScaleMenuFactors[i];
+ }
+ if ([self autoFits])
+ [self setAutoFits:NO adjustPopup:NO];
+ [super setScaleFactor:newScaleFactor];
+}
+
+- (void)setAutoScales:(BOOL)newAuto {}
+
+- (IBAction)zoomIn:(id)sender{
+ if([self autoFits]){
+ [super zoomIn:sender];
+ [self setAutoFits:NO adjustPopup:YES];
+ }else{
+ unsigned int numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
+ unsigned int i = [self lowerIndexForScaleFactor:[self scaleFactor]];
+ if (i < numberOfDefaultItems - 1) i++;
+ [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
+ }
+}
+
+- (IBAction)zoomOut:(id)sender{
+ if([self autoFits]){
+ [super zoomOut:sender];
+ [self setAutoFits:NO adjustPopup:YES];
+ }else{
+ unsigned int i = [self upperIndexForScaleFactor:[self scaleFactor]];
+ if (i > 1) i--;
+ [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
+ }
+}
+
+- (BOOL)canZoomIn{
+ if ([super canZoomIn] == NO)
+ return NO;
+ unsigned int numberOfDefaultItems = (sizeof(BDSKDefaultScaleMenuFactors) /
sizeof(float));
+ unsigned int i = [self lowerIndexForScaleFactor:[self scaleFactor]];
+ return i < numberOfDefaultItems - 1;
+}
+
+- (BOOL)canZoomOut{
+ if ([super canZoomOut] == NO)
+ return NO;
+ unsigned int i = [self upperIndexForScaleFactor:[self scaleFactor]];
+ return i > 1;
+}
+
+- (void)goToPage:(PDFPage *)aPage {
+ [super goToPage:aPage];
+ [self resetAutoFitRectIfNeeded];
+}
+
+- (void)goToDestination:(PDFDestination *)destination {
+ [super goToDestination:destination];
+ [self resetAutoFitRectIfNeeded];
+}
+
+- (void)doAutoFit:(id)sender {
+ [self setAutoFits:YES];
+}
+
+- (void)printDocument:(id)sender{
+ id document = [[[self window] windowController] document];
+ if ([document respondsToSelector:_cmd])
+ [document printDocument:sender];
+ else if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
+ [(id)super printDocument:sender];
+}
+
+- (NSMenu *)menuForEvent:(NSEvent *)theEvent {
+ static NSSet *selectionActions = nil;
+ if (selectionActions == nil)
+ selectionActions = [[NSSet alloc] initWithObjects:@"copy:",
@"_searchInSpotlight:", @"_searchInGoogle:", @"_searchInDictionary:", nil];
+ NSMenu *menu = [super menuForEvent:theEvent];
+
+ [self setCurrentSelection:nil];
+ while ([menu numberOfItems]) {
+ NSMenuItem *item = [menu itemAtIndex:0];
+ if ([item isSeparatorItem] || [self validateMenuItem:item] == NO ||
[selectionActions containsObject:NSStringFromSelector([item action])])
+ [menu removeItemAtIndex:0];
+ else
+ break;
+ }
+
+ int i = [menu indexOfItemWithTarget:self
andAction:NSSelectorFromString(@"_setAutoSize:")];
+ if (i != -1)
+ [[menu itemAtIndex:i] setAction:@selector(doAutoFit:)];
+
+ return menu;
+}
+
+- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
+ if ([menuItem action] == @selector(doAutoFit:)) {
+ [menuItem setState:[self autoFits] ? NSOnState : NSOffState];
+ return YES;
+ } else if ([menuItem action] == @selector(printDocument:)) {
+ return [[self document] allowsPrinting];
+ } else if ([[SKSnapshotPDFView superclass]
instancesRespondToSelector:_cmd]) {
+ return [super validateMenuItem:menuItem];
+ }
+ return YES;
+}
+
+#pragma mark Scrollview
+
+- (NSScrollView *)scrollView;
+{
+ return [[self documentView] enclosingScrollView];
+}
+
+- (void)setScrollerSize:(NSControlSize)controlSize;
+{
+ NSScrollView *scrollView = [[self documentView] enclosingScrollView];
+ [scrollView setHasHorizontalScroller:YES];
+ [scrollView setHasVerticalScroller:YES];
+ [[scrollView horizontalScroller] setControlSize:controlSize];
+ [[scrollView verticalScroller] setControlSize:controlSize];
+ if(scalePopUpButton){
+ [[scalePopUpButton cell] setControlSize:controlSize];
+ [scalePopUpButton setFont:[NSFont toolTipsFontOfSize:
BDSKScaleMenuFontSize - controlSize]];
+ }
+}
+
+#pragma mark Gestures
+
+- (void)beginGestureWithEvent:(NSEvent *)theEvent {
+ if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
+ [super beginGestureWithEvent:theEvent];
+ pinchZoomFactor = 1.0;
+}
+
+- (void)endGestureWithEvent:(NSEvent *)theEvent {
+ if (fabsf(pinchZoomFactor - 1.0) > 0.1)
+ [self setScaleFactor:fmaxf(pinchZoomFactor * [self scaleFactor],
BDSKDefaultScaleMenuFactors[1])];
+ pinchZoomFactor = 1.0;
+ if ([[SKSnapshotPDFView superclass] instancesRespondToSelector:_cmd])
+ [super endGestureWithEvent:theEvent];
+}
+
+- (void)magnifyWithEvent:(NSEvent *)theEvent {
+ if ([theEvent respondsToSelector:@selector(magnification)]) {
+ pinchZoomFactor *= 1.0 + fmaxf(-0.5, fminf(1.0 , [theEvent
magnification]));
+ float scaleFactor = pinchZoomFactor * [self scaleFactor];
+ unsigned int i = [self indexForScaleFactor:fmaxf(scaleFactor,
BDSKDefaultScaleMenuFactors[1])];
+ if (i != [self indexForScaleFactor:[self scaleFactor]]) {
+ [self setScaleFactor:BDSKDefaultScaleMenuFactors[i]];
+ pinchZoomFactor = scaleFactor / [self scaleFactor];
+ }
+ }
+}
+
+#pragma mark Dragging
+
+- (void)mouseDown:(NSEvent *)theEvent{
+ [[NSCursor closedHandCursor] push];
+}
+
+- (void)mouseUp:(NSEvent *)theEvent{
+ [NSCursor pop];
+ NSPoint mouseLoc = [[self documentView] convertPoint:[theEvent
locationInWindow] fromView:nil];
+ if (NSPointInRect(mouseLoc, [[self documentView] visibleRect]))
+ [[NSCursor openHandCursor] set];
+ else
+ [[NSCursor arrowCursor] set];
+}
+
+- (void)mouseDragged:(NSEvent *)theEvent {
+ NSPoint initialLocation = [theEvent locationInWindow];
+ NSRect visibleRect = [[self documentView] visibleRect];
+ BOOL keepGoing = YES;
+
+ while (keepGoing) {
+ theEvent = [[self window] nextEventMatchingMask:
NSLeftMouseUpMask | NSLeftMouseDraggedMask];
+ switch ([theEvent type]) {
+ case NSLeftMouseDragged:
+ {
+ NSPoint newLocation;
+ NSRect newVisibleRect;
+ float xDelta, yDelta;
+
+ newLocation = [theEvent locationInWindow];
+ xDelta = initialLocation.x - newLocation.x;
+ yDelta = initialLocation.y - newLocation.y;
+ if ([self isFlipped])
+ yDelta = -yDelta;
+
+ newVisibleRect = NSOffsetRect (visibleRect,
xDelta, yDelta);
+ [[self documentView] scrollRectToVisible:
newVisibleRect];
+ }
+ break;
+
+ case NSLeftMouseUp:
+ keepGoing = NO;
+ break;
+
+ default:
+ /* Ignore any other kind of event. */
+ break;
+ } // end of switch (event type)
+ } // end of mouse-tracking loop
+
+ if ([self autoFits]) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ autoFitPage = [self currentPage];
+ autoFitRect = [self convertRect:[self convertRect:[clipView
visibleRect] fromView:clipView] toPage:autoFitPage];
+ }
+
+ // ??? PDFView's delayed layout seems to reset the cursor to an arrow
+ [self performSelector:@selector(mouseMoved:) withObject:theEvent
afterDelay:0];
+}
+
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