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Return a nil font if such a font can't be found; try to find an appropriate

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font when loading a default font.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@14711 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
nico 2002-10-10 23:27:51 +00:00
parent 558d7e964e
commit e0159ddd70
2 changed files with 58 additions and 4 deletions
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50
Source/NSFont.m
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@ -143,11 +143,14 @@ static NSUserDefaults *defaults = nil;
NSFont*
getNSFont(NSString* key, NSString* defaultFontName, float fontSize)
{
NSString* fontName;
NSString *fontName;
NSFont *font;
fontName = [defaults objectForKey: key];
if (fontName == nil)
fontName = defaultFontName;
{
fontName = defaultFontName;
}
if (fontSize == 0)
{
@ -155,7 +158,40 @@ getNSFont(NSString* key, NSString* defaultFontName, float fontSize)
[NSString stringWithFormat: @"%@Size", key]];
}
return [NSFontClass fontWithName: fontName size: fontSize];
font = [NSFontClass fontWithName: fontName size: fontSize];
/* That font couldn't be found (?). */
if (font == nil)
{
/* Try the same size, but the defaultFontName. */
font = [NSFontClass fontWithName: defaultFontName size: fontSize];
if (font == nil)
{
/* Try the default font name and size. */
fontSize = [defaults floatForKey:
[NSString stringWithFormat: @"%@Size", key]];
font = [NSFontClass fontWithName: defaultFontName size: fontSize];
/* It seems we can't get any font here! Try some well known
* fonts as a last resort. */
if (font == nil)
{
font = [NSFontClass fontWithName: @"Helvetica" size: 12.];
}
if (font == nil)
{
font = [NSFontClass fontWithName: @"Courier" size: 12.];
}
if (font == nil)
{
font = [NSFontClass fontWithName: @"Fixed" size: 12.];
}
}
}
return font;
}
void
@ -602,6 +638,12 @@ setNSFont(NSString* key, NSFont* font)
matrixExplicitlySet = explicitlySet;
fontInfo = RETAIN([GSFontInfo fontInfoForFontName: fontName
matrix: fontMatrix]);
if (fontInfo == nil)
{
RELEASE (self);
return nil;
}
/* Cache the font for later use */
NSMapInsert(globalFontMap, (void*)nameWithMatrix, (void*)self);
}