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Avoid making calls to the layout manager with invalid arguments.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@15748 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
alexm 2003-01-28 17:00:28 +00:00
parent 2c98ae0b50
commit b9dbf335e1
1 changed files with 15 additions and 7 deletions
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22
Source/NSTextView.m
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@ -2234,13 +2234,19 @@ This method is for user changes; see NSTextView_actions.m.
NSRange glyphRange; NSRange glyphRange;
unsigned glyphIndex; unsigned glyphIndex;
NSRect rect; NSRect rect;
charRange = NSMakeRange (aRange.location, 0); charRange = NSMakeRange (aRange.location, 1);
if (charRange.location == [[[_layoutManager textStorage] string] length]) if (charRange.location == [[[_layoutManager textStorage] string] length])
{ {
rect = NSZeroRect; if (charRange.location == 0)
goto ugly_hack_done; {
} rect = NSZeroRect;
goto ugly_hack_done;
}
else
charRange.location--;
}
glyphRange = [_layoutManager glyphRangeForCharacterRange: charRange glyphRange = [_layoutManager glyphRangeForCharacterRange: charRange
actualCharacterRange: NULL]; actualCharacterRange: NULL];
glyphIndex = glyphRange.location; glyphIndex = glyphRange.location;
@ -4052,6 +4058,8 @@ configuation! */
NSRange glyphRange; NSRange glyphRange;
NSRect rect; NSRect rect;
if (!aRange.length)
return NSZeroRect;
glyphRange = [_layoutManager glyphRangeForCharacterRange: aRange glyphRange = [_layoutManager glyphRangeForCharacterRange: aRange
actualCharacterRange: NULL]; actualCharacterRange: NULL];
rect = [_layoutManager boundingRectForGlyphRange: glyphRange rect = [_layoutManager boundingRectForGlyphRange: glyphRange