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fix thumbnail grid resizing on screen/monitor changes #93

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fix thumbnail grid resizing on screen/monitor changes #93

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11 changes: 11 additions & 0 deletions DYWrappingMatrix.m
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,8 @@ - (void)awakeFromNib {
selector:@selector(resize:)
name:NSViewFrameDidChangeNotification
object:self.enclosingScrollView];
[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(resize:) name:NSApplicationDidChangeScreenParametersNotification object:nil];
[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(resize:) name:NSWindowDidChangeScreenNotification object:self.window];
[self.enclosingScrollView.contentView setPostsBoundsChangedNotifications:YES];
NSUserDefaults *udf = NSUserDefaults.standardUserDefaults;
float padding = [udf floatForKey:@"thumbPadding"];
Expand Down Expand Up @@ -541,6 +543,15 @@ - (void)mouseDown:(NSEvent *)theEvent {
}

- (void)resize:(id)anObject { // called by notification center
// ensure our width matches the clip view, otherwise we might not be using all available space
// (or worse, be wider than the clip view and have horizontal scrollbars)
NSRect frame = self.frame;
float w = self.superview.bounds.size.width;
if (fabs(frame.size.width - w) > 1.0) {
frame.size.width = w;
self.frame = frame;
}

[self calculateCellSizes];
NSSize mySize = self.frame.size;
NSUInteger numRows = numCells == 0 ? 0 : (numCells-1)/numCols + 1;
Expand Down