Revision: 2632
http://skim-app.svn.sourceforge.net/skim-app/?rev=2632&view=rev
Author: hofman
Date: 2007-08-09 07:36:05 -0700 (Thu, 09 Aug 2007)
Log Message:
-----------
Add a zoom option to the popup to automatically adjust the scale factor to fit
the currently displayed rect.
Modified Paths:
--------------
trunk/BDSKZoomablePDFView.h
trunk/BDSKZoomablePDFView.m
Modified: trunk/BDSKZoomablePDFView.h
===================================================================
--- trunk/BDSKZoomablePDFView.h 2007-08-09 11:40:55 UTC (rev 2631)
+++ trunk/BDSKZoomablePDFView.h 2007-08-09 14:36:05 UTC (rev 2632)
@@ -42,13 +42,21 @@
@interface BDSKZoomablePDFView : PDFView {
NSPopUpButton *scalePopUpButton;
+ PDFPage *page;
+ NSRect fitRect;
+ BOOL fits;
}
+- (BOOL)fits;
+- (void)setFits:(BOOL)newFits;
+- (void)setFits:(BOOL)newFits adjustPopup:(BOOL)flag;
+- (void)setAutoScales:(BOOL)newAuto adjustPopup:(BOOL)flag;
- (void)setScaleFactor:(float)factor adjustPopup:(BOOL)flag;
- (void)scalePopUpAction:(id)sender;
- (NSScrollView *)scrollView;
- (void)layoutScrollView;
- (void)setScrollerSize:(NSControlSize)controlSize;
- (void)dragWithEvent:(NSEvent *)theEvent;
+- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification;
@end
Modified: trunk/BDSKZoomablePDFView.m
===================================================================
--- trunk/BDSKZoomablePDFView.m 2007-08-09 11:40:55 UTC (rev 2631)
+++ trunk/BDSKZoomablePDFView.m 2007-08-09 14:36:05 UTC (rev 2632)
@@ -48,6 +48,7 @@
@implementation BDSKZoomablePDFView
/* For genstrings:
+ NSLocalizedStringFromTable(@"Fit", @"ZoomValues", @"Zoom popup entry")
NSLocalizedStringFromTable(@"Auto", @"ZoomValues", @"Zoom popup entry")
NSLocalizedStringFromTable(@"10%", @"ZoomValues", @"Zoom popup entry")
NSLocalizedStringFromTable(@"25%", @"ZoomValues", @"Zoom popup entry")
@@ -59,12 +60,43 @@
NSLocalizedStringFromTable(@"400%", @"ZoomValues", @"Zoom popup entry")
NSLocalizedStringFromTable(@"800%", @"ZoomValues", @"Zoom popup entry")
*/
-static NSString *BDSKDefaultScaleMenuLabels[] = {/* @"Set...", */ @"Auto",
@"10%", @"25%", @"50%", @"75%", @"100%", @"128%", @"150%", @"200%", @"400%",
@"800%"};
-static float BDSKDefaultScaleMenuFactors[] = {/* 0.0, */ 0, 0.1, 0.25, 0.5,
0.75, 1.0, 1.28, 1.5, 2.0, 4.0, 8.0};
+static NSString *BDSKDefaultScaleMenuLabels[] = {/* @"Set...", */ @"Fit",
@"Auto", @"10%", @"25%", @"50%", @"75%", @"100%", @"128%", @"150%", @"200%",
@"400%", @"800%"};
+static float BDSKDefaultScaleMenuFactors[] = {/* 0.0, */ -1, 0, 0.1, 0.25,
0.5, 0.75, 1.0, 1.28, 1.5, 2.0, 4.0, 8.0};
static float BDSKScaleMenuFontSize = 11.0;
#pragma mark Popup button
+- (id)initWithFrame:(NSRect)frameRect {
+ if (self = [super initWithFrame:frameRect]) {
+ scalePopUpButton = nil;
+ page = nil;
+ fitRect = NSZeroRect;
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewFrameDidChangeNotification object:self];
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewBoundsDidChangeNotification object:self];
+ }
+ return self;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+ if (self = [super initWithCoder:decoder]) {
+ scalePopUpButton = nil;
+ page = nil;
+ fitRect = NSZeroRect;
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewFrameDidChangeNotification object:self];
+ [[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handlePDFViewFrameChangedNotification:)
+
name:NSViewBoundsDidChangeNotification object:self];
+ }
+ return self;
+}
+
+- (void)dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [super dealloc];
+}
+
- (void)makeScalePopUpButton {
if (scalePopUpButton == nil) {
@@ -130,14 +162,55 @@
}
}
+- (void)handlePDFViewFrameChangedNotification:(NSNotification *)notification {
+ if (fits) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ NSRect rect = [self convertRect:[clipView visibleRect]
fromView:clipView];
+ BOOL scaleWidth = NSWidth(rect) / NSHeight(rect) < NSWidth(fitRect) /
NSHeight(fitRect);
+ float factor = scaleWidth ? NSWidth(rect) / NSWidth(fitRect) :
NSHeight(rect) / NSHeight(fitRect);
+ NSRect viewRect = scaleWidth ? NSInsetRect(fitRect, 0.0, 0.5 *
(NSHeight(fitRect) - NSHeight(rect) / factor)) : NSInsetRect(fitRect, 0.5 *
(NSWidth(fitRect) - NSWidth(rect) / factor), 0.0);
+ [super setScaleFactor:factor];
+ viewRect = [self convertRect:[self convertRect:viewRect fromPage:page]
toView:[self documentView]];
+ [[self documentView] scrollRectToVisible:viewRect];
+ }
+}
+
- (void)scalePopUpAction:(id)sender {
+ int index = [sender indexOfSelectedItem];
NSNumber *selectedFactorObject = [[sender selectedCell] representedObject];
- if(!selectedFactorObject)
- [super setAutoScales:YES];
- else
+ if(index == 0)
+ [self setFits:YES adjustPopup:NO];
+ else if(index == 1)
+ [self setAutoScales:YES adjustPopup:NO];
+ else if(selectedFactorObject)
[self setScaleFactor:[selectedFactorObject floatValue] adjustPopup:NO];
}
+- (BOOL)fits {
+ return fits;
+}
+
+- (void)setFits:(BOOL)newFits {
+ [self setFits:newFits adjustPopup:YES];
+}
+
+- (void)setFits:(BOOL)newFits adjustPopup:(BOOL)flag {
+ if (fits != newFits) {
+ fits = newFits;
+ if (fits) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ page = [self currentPage];
+ fitRect = [self convertRect:[self convertRect:[clipView
visibleRect] fromView:clipView] toPage:page];
+ [self setAutoScales:NO adjustPopup:NO];
+ if (flag)
+ [scalePopUpButton selectItemAtIndex:0];
+ } else {
+ page = nil;
+ fitRect = NSZeroRect;
+ }
+ }
+}
+
- (void)setScaleFactor:(float)newScaleFactor {
[self setScaleFactor:newScaleFactor adjustPopup:YES];
}
@@ -145,10 +218,12 @@
- (void)setScaleFactor:(float)newScaleFactor adjustPopup:(BOOL)flag {
if (flag) {
- if (newScaleFactor < 0.01) {
+ if (newScaleFactor < -0.01) {
+ newScaleFactor = -1.0;
+ } else if (newScaleFactor < 0.01) {
newScaleFactor = 0.0;
} else {
- unsigned cnt = 1, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
+ unsigned cnt = 2, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
// We only work with some preset zoom values, so choose one of the
appropriate values
while (cnt < numberOfDefaultItems - 1 && newScaleFactor > 0.5 *
(BDSKDefaultScaleMenuFactors[cnt] + BDSKDefaultScaleMenuFactors[cnt + 1]))
cnt++;
@@ -157,24 +232,40 @@
}
}
+ if(newScaleFactor < -0.01)
+ [self setFits:YES];
if(newScaleFactor < 0.01)
[self setAutoScales:YES];
- else
+ else{
+ [self setFits:NO adjustPopup:NO];
[super setScaleFactor:newScaleFactor];
+ }
}
- (void)setAutoScales:(BOOL)newAuto {
+ [self setAutoScales:newAuto adjustPopup:YES];
+}
+
+- (void)setAutoScales:(BOOL)newAuto adjustPopup:(BOOL)flag {
+ if (newAuto)
+ [self setFits:NO adjustPopup:NO];
+
[super setAutoScales:newAuto];
- if(newAuto)
- [scalePopUpButton selectItemAtIndex:0];
+ if(newAuto && flag)
+ [scalePopUpButton selectItemAtIndex:1];
}
- (IBAction)zoomIn:(id)sender{
- if([self autoScales]){
+ if([self fits]){
[super zoomIn:sender];
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ page = [self currentPage];
+ fitRect = [self convertRect:[self convertRect:[clipView visibleRect]
fromView:clipView] toPage:page];
+ }else if([self autoScales]){
+ [super zoomIn:sender];
}else{
- int cnt = 0, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
+ int cnt = 1, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
float scaleFactor = [self scaleFactor];
// We only work with some preset zoom values, so choose one of the
appropriate values (Fudge a little for floating point == to work)
@@ -186,16 +277,21 @@
}
- (IBAction)zoomOut:(id)sender{
- if([self autoScales]){
+ if([self fits]){
[super zoomOut:sender];
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ page = [self currentPage];
+ fitRect = [self convertRect:[self convertRect:[clipView visibleRect]
fromView:clipView] toPage:page];
+ }else if([self autoScales]){
+ [super zoomOut:sender];
}else{
- int cnt = 0, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
+ int cnt = 1, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
float scaleFactor = [self scaleFactor];
// We only work with some preset zoom values, so choose one of the
appropriate values (Fudge a little for floating point == to work)
while (cnt < numberOfDefaultItems && scaleFactor * .99 >
BDSKDefaultScaleMenuFactors[cnt]) cnt++;
cnt--;
- if (cnt < 0) cnt++;
+ if (cnt < 1) cnt++;
[self setScaleFactor:BDSKDefaultScaleMenuFactors[cnt]];
}
}
@@ -205,7 +301,7 @@
return NO;
if([self autoScales])
return YES;
- unsigned cnt = 0, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
+ unsigned cnt = 1, numberOfDefaultItems =
(sizeof(BDSKDefaultScaleMenuFactors) / sizeof(float));
float scaleFactor = [self scaleFactor];
// We only work with some preset zoom values, so choose one of the
appropriate values (Fudge a little for floating point == to work)
while (cnt < numberOfDefaultItems && scaleFactor * .99 >
BDSKDefaultScaleMenuFactors[cnt]) cnt++;
@@ -355,6 +451,12 @@
break;
} // end of switch (event type)
} // end of mouse-tracking loop
+
+ if ([self fits]) {
+ NSView *clipView = [[[self documentView] enclosingScrollView]
contentView];
+ page = [self currentPage];
+ fitRect = [self convertRect:[self convertRect:[clipView visibleRect]
fromView:clipView] toPage:page];
+ }
}
@end
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