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MacPDF: Show current page and page count in subtitle

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This commit is contained in:
Nico Weber 2023-09-24 22:00:38 -04:00 • committed by Andreas Kling
parent bd19fcc039
commit e67d8cfb2a
4 changed files with 29 additions and 3 deletions
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2
Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.h
View file

@ -14,7 +14,7 @@
NS_ASSUME_NONNULL_BEGIN NS_ASSUME_NONNULL_BEGIN
@interface LagomPDFDocument : NSDocument @interface LagomPDFDocument : NSDocument <LagomPDFViewDelegate>
{ {
IBOutlet LagomPDFView* _pdfView; IBOutlet LagomPDFView* _pdfView;
} }

9
Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.mm
View file

@ -68,6 +68,7 @@
NSLog(@"failed to load 2: %@", @(err.error().message().characters())); NSLog(@"failed to load 2: %@", @(err.error().message().characters()));
} else { } else {
[_pdfView setDocument:_doc->make_weak_ptr()]; [_pdfView setDocument:_doc->make_weak_ptr()];
[self pageChanged];
} }
} }
@ -82,6 +83,8 @@
{ {
[super windowControllerDidLoadNib:aController]; [super windowControllerDidLoadNib:aController];
[_pdfView setDelegate:self];
if (_doc) { if (_doc) {
if (auto handler = _doc->security_handler(); handler && !handler->has_user_password()) { if (auto handler = _doc->security_handler(); handler && !handler->has_user_password()) {
[self promptForPassword:aController.window]; [self promptForPassword:aController.window];
@ -166,4 +169,10 @@
}]; }];
} }
- (void)pageChanged
{
[_pdfView.window setSubtitle:
[NSString stringWithFormat:@"Page %d of %d", [_pdfView page], _doc -> get_page_count()]];
}
@end @end

9
Meta/Lagom/Contrib/MacPDF/LagomPDFView.h
View file

@ -15,11 +15,16 @@
#include <AK/WeakPtr.h> #include <AK/WeakPtr.h>
#include <LibPDF/Document.h> #include <LibPDF/Document.h>
@protocol LagomPDFViewDelegate
- (void)pageChanged;
@end
@interface LagomPDFView : NSView @interface LagomPDFView : NSView
{
}
- (void)setDocument:(WeakPtr<PDF::Document>)doc; - (void)setDocument:(WeakPtr<PDF::Document>)doc;
- (void)goToPage:(int)page; - (void)goToPage:(int)page;
- (int)page;
- (void)setDelegate:(id<LagomPDFViewDelegate>)delegate;
@end @end

12
Meta/Lagom/Contrib/MacPDF/LagomPDFView.mm
View file

@ -16,6 +16,7 @@
WeakPtr<PDF::Document> _doc; WeakPtr<PDF::Document> _doc;
NSBitmapImageRep* _cachedBitmap; NSBitmapImageRep* _cachedBitmap;
int _page_index; int _page_index;
__weak id<LagomPDFViewDelegate> _delegate;
} }
@end @end
@ -82,6 +83,17 @@ static NSBitmapImageRep* ns_from_gfx(NonnullRefPtr<Gfx::Bitmap> bitmap_p)
_page_index = new_index; _page_index = new_index;
[self invalidateRestorableState]; [self invalidateRestorableState];
[self invalidateCachedBitmap]; [self invalidateCachedBitmap];
[_delegate pageChanged];
}
- (int)page
{
return _page_index + 1;
}
- (void)setDelegate:(id<LagomPDFViewDelegate>)delegate
{
_delegate = delegate;
} }
#pragma mark Drawing #pragma mark Drawing