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| author | Kevin Walzer <kw@codebykevin.com> | 2014-07-24 02:30:12 (GMT) |
|---|---|---|
| committer | Kevin Walzer <kw@codebykevin.com> | 2014-07-24 02:30:12 (GMT) |
| commit | 7976b7b08c26d882cc032853e490049faceda207 (patch) | |
| tree | 2d4df68d79eb3f0047ac6d8052c35cca67983184 /macosx/tkMacOSXRegion.c | |
| parent | 50c92f0a745adf8c165ad01167aad89ca293f501 (diff) | |
| download | tk-7976b7b08c26d882cc032853e490049faceda207.zip tk-7976b7b08c26d882cc032853e490049faceda207.tar.gz tk-7976b7b08c26d882cc032853e490049faceda207.tar.bz2 | |
Fix for display of images when scrolling a text widget on OS X; thanks to Marc Culler for patch
Diffstat (limited to 'macosx/tkMacOSXRegion.c')
| -rw-r--r-- | macosx/tkMacOSXRegion.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/macosx/tkMacOSXRegion.c b/macosx/tkMacOSXRegion.c index 8432299..c716ab7 100644 --- a/macosx/tkMacOSXRegion.c +++ b/macosx/tkMacOSXRegion.c @@ -158,6 +158,29 @@ TkUnionRectWithRegion( /* *---------------------------------------------------------------------- * + * TkMacOSXIsEmptyRegion -- + * + * Return native region for given tk region. + * + * Results: + * 1 if empty, 0 otherwise. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +int +TkMacOSXIsEmptyRegion( + TkRegion r) +{ + return HIShapeIsEmpty((HIMutableShapeRef) r) ? 1 : 0; +} + +/* + *---------------------------------------------------------------------- + * * TkRectInRegion -- * * Implements the equivelent of the X window function XRectInRegion. See @@ -181,12 +204,14 @@ TkRectInRegion( unsigned int width, unsigned int height) { - int result; - const CGRect r = CGRectMake(x, y, width, height); - - result = HIShapeIntersectsRect((HIShapeRef) region, &r) ? + if ( TkMacOSXIsEmptyRegion(region) ) { + return RectangleOut; + } + else { + const CGRect r = CGRectMake(x, y, width, height); + return HIShapeIntersectsRect((HIShapeRef) region, &r) ? RectanglePart : RectangleOut; - return result; + } } /* @@ -332,12 +357,11 @@ TkpReleaseRegion( { CFRelease(r); } -#if 0 /* *---------------------------------------------------------------------- * - * TkMacOSXEmtpyRegion -- + * TkMacOSXSetEmptyRegion -- * * Set region to emtpy. * @@ -351,7 +375,7 @@ TkpReleaseRegion( */ void -TkMacOSXEmtpyRegion( +TkMacOSXSetEmptyRegion( TkRegion r) { ChkErr(HIShapeSetEmpty, (HIMutableShapeRef) r); @@ -360,30 +384,6 @@ TkMacOSXEmtpyRegion( /* *---------------------------------------------------------------------- * - * TkMacOSXIsEmptyRegion -- - * - * Return native region for given tk region. - * - * Results: - * 1 if empty, 0 otherwise. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkMacOSXIsEmptyRegion( - TkRegion r) -{ - return HIShapeIsEmpty((HIMutableShapeRef) r) ? 1 : 0; -} -#endif - -/* - *---------------------------------------------------------------------- - * * TkMacOSXGetNativeRegion -- * * Return native region for given tk region. |