gnustep/libs-gui
0
0
Fork 0
mirror of https://github.com/gnustep/libs-gui.git synced 2025-04-23 12:00:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

Little tweak to keep number of concurrent typing dictionaries allocated

Browse source 
reasonably low


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@8342 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero 2000-12-17 11:57:23 +00:00
parent bd7cba9479
commit 86b2df02c9
1 changed files with 22 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
Source/NSCell.m
View file

@ -641,10 +641,13 @@ static NSColor *shadowCol;
{
if (_formatter != nil)
{
NSDictionary *attributes;
NSAttributedString *attrStr;
attributes = AUTORELEASE ([self _nonAutoreleasedTypingAttributes]);
attrStr = [_formatter attributedStringForObjectValue: _objectValue
withDefaultAttributes: [self _typingAttributes]];
withDefaultAttributes: attributes];
if (attrStr != nil)
{
return attrStr;
@ -661,7 +664,7 @@ static NSColor *shadowCol;
NSDictionary *dict;
NSAttributedString *attrStr;
dict = [self _typingAttributes];
dict = AUTORELEASE ([self _nonAutoreleasedTypingAttributes]);
attrStr = [[NSAttributedString alloc] initWithString: _contents
attributes: dict];
return AUTORELEASE (attrStr);
@ -1791,13 +1794,21 @@ static NSColor *shadowCol;
return txtCol;
}
- (NSDictionary*) _typingAttributes
/* This method is an exception and returns a non-autoreleased
dictionary, so that calling methods can deallocate it immediately
using release. Otherwise if many cells are drawn/their size
computed, we pile up hundreds or thousands of these objects before they
are deallocated at the end of the run loop. */
- (NSDictionary*) _nonAutoreleasedTypingAttributes
{
NSDictionary *attr;
NSColor *color;
NSMutableParagraphStyle *paragraphStyle;
color = [self textColor];
/* Note: there are only 6 possible paragraph styles for cells.
TODO: Create them once at the beginning, and reuse them for the whole
app lifetime. */
paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
if (_cell.wraps)
@ -1817,18 +1828,22 @@ static NSColor *shadowCol;
paragraphStyle, NSParagraphStyleAttributeName,
nil];
RELEASE (paragraphStyle);
return AUTORELEASE (attr);
return attr;
}
- (NSSize) _sizeText: (NSString*)title
{
NSSize size;
NSDictionary *dict;
if (title == nil)
{
return NSMakeSize (0,0);
}
size = [title sizeWithAttributes: [self _typingAttributes]];
dict = [self _nonAutoreleasedTypingAttributes];
size = [title sizeWithAttributes: dict];
RELEASE (dict);
return size;
}
@ -1863,7 +1878,7 @@ static NSColor *shadowCol;
if (title == nil)
return;
attributes = [self _typingAttributes];
attributes = [self _nonAutoreleasedTypingAttributes];
titleSize = [title sizeWithAttributes: attributes];
// Determine y position of text
@ -1877,6 +1892,7 @@ static NSColor *shadowCol;
cellFrame.size.height = titleSize.height;
[title drawInRect: cellFrame withAttributes: attributes];
RELEASE (attributes);
}
@end