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Method to calc minimum size

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@10096 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Adam Fedor 2001-06-07 04:01:02 +00:00
parent 7c3852cea6
commit f77edb1d03
3 changed files with 43 additions and 9 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2001-06-06 Adam Fedor <fedor@gnu.org>
* Source/NSBox.m ([NSBox -minimumSize]): New method.
* Headers/gnustep/gui/NSBox.h: Declare it.
2000-06-06 Fred Kiefer <FredKiefer@gmx.de>
* Source/NSTextAttachment.m

3
Headers/gnustep/gui/NSBox.h
View file

@ -88,6 +88,9 @@ typedef enum _NSTitlePosition {
- (void)setFrameFromContentFrame:(NSRect)contentFrame;
- (void)sizeToFit;
#ifndef NO_GNUSTEP
-(NSSize) minimumSize;
#endif
@end
#endif // _GNUstep_H_NSBox

44
Source/NSBox.m
View file

@ -237,6 +237,40 @@
[_content_view setFrame: [self calcSizesAllowingNegative: NO]];
}
-(NSSize) minimumSize
{
NSRect r;
NSSize borderSize = _sizeForBorderType (_border_type);
if ([_content_view respondsToSelector: @selector(minimumSize)])
{
r.size = [_content_view minimumSize];
}
else
{
NSArray *subviewArray = [_content_view subviews];
if ([subviewArray count])
{
id o, e = [subviewArray objectEnumerator];
r = [[e nextObject] frame];
// Loop through subviews and calculate rect to encompass all
while ((o = [e nextObject]))
{
r = NSUnionRect(r, [o frame]);
}
}
else // _content_view has no subviews
{
r = NSZeroRect;
}
}
r.size = [self convertSize: r.size fromView: _content_view];
r.size.width += (2 * _offsets.width) + (2 * borderSize.width);
r.size.height += (2 * _offsets.height) + (2 * borderSize.height);
return r.size;
}
- (void) sizeToFit
{
NSRect f;
@ -255,15 +289,7 @@
// Loop through subviews and calculate rect to encompass all
while ((o = [e nextObject]))
{
f = [o frame];
if (f.origin.x < r.origin.x)
r.origin.x = f.origin.x;
if (f.origin.y < f.origin.y)
r.origin.y = f.origin.y;
if ((f.origin.x + f.size.width) > (r.origin.x + r.size.width))
r.size.width = (f.origin.x + f.size.width) - r.origin.x;
if ((f.origin.y + f.size.height) > (r.origin.y + r.size.height))
r.size.height = (f.origin.y + f.size.height) - r.origin.y;
r = NSUnionRect(r, [o frame]);
}
[_content_view setBoundsOrigin: r.origin];
r.size = [self convertSize: r.size fromView: _content_view];