diff options
| author | hobbs <hobbs> | 2004-12-02 02:10:37 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2004-12-02 02:10:37 (GMT) |
| commit | faf27421f44ec721bbcaa5836e21297f1fa57832 (patch) | |
| tree | 569cde081bd6b95759a394075519d813986c41a4 /unix | |
| parent | 3051ba20af89c12c489e91c71d04df0bb8afb7ac (diff) | |
| download | tk-faf27421f44ec721bbcaa5836e21297f1fa57832.zip tk-faf27421f44ec721bbcaa5836e21297f1fa57832.tar.gz tk-faf27421f44ec721bbcaa5836e21297f1fa57832.tar.bz2 | |
* unix/tkUnixButton.c (TkpDisplayButton): constrain coords to
Tk_RedrawImage to display only portion that is valid.
* generic/tkImgPhoto.c (ImgPhotoDisplay): add X error suppression
around XGetImage to prevent app abort. [Bug 979239]
Diffstat (limited to 'unix')
| -rw-r--r-- | unix/tkUnixButton.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/unix/tkUnixButton.c b/unix/tkUnixButton.c index 526f70b..cc29a1c 100644 --- a/unix/tkUnixButton.c +++ b/unix/tkUnixButton.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkUnixButton.c,v 1.19 2004/05/04 00:39:51 hobbs Exp $ + * RCS: @(#) $Id: tkUnixButton.c,v 1.20 2004/12/02 02:10:38 hobbs Exp $ */ #include "tkButton.h" @@ -505,12 +505,12 @@ TkpDisplayButton(clientData) } case COMPOUND_NONE: {break;} } - + TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY, butPtr->indicatorSpace + fullWidth, fullHeight, &x, &y); x += butPtr->indicatorSpace; - + x += offset; y += offset; if (relief == TK_RELIEF_RAISED) { @@ -525,6 +525,30 @@ TkpDisplayButton(clientData) imageYOffset += y; if (butPtr->image != NULL) { + /* + * Do boundary clipping, so that Tk_RedrawImage is passed + * valid coordinates. [Bug 979239] + */ + + if (imageXOffset < 0) { + imageXOffset = 0; + } + if (imageYOffset < 0) { + imageYOffset = 0; + } + if (width > Tk_Width(tkwin)) { + width = Tk_Width(tkwin); + } + if (height > Tk_Height(tkwin)) { + height = Tk_Height(tkwin); + } + if ((width + imageXOffset) > Tk_Width(tkwin)) { + imageXOffset = Tk_Width(tkwin) - width; + } + if ((height + imageYOffset) > Tk_Height(tkwin)) { + imageYOffset = Tk_Height(tkwin) - height; + } + if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) { Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); @@ -567,6 +591,30 @@ TkpDisplayButton(clientData) imageXOffset += x; imageYOffset += y; if (butPtr->image != NULL) { + /* + * Do boundary clipping, so that Tk_RedrawImage is passed + * valid coordinates. [Bug 979239] + */ + + if (imageXOffset < 0) { + imageXOffset = 0; + } + if (imageYOffset < 0) { + imageYOffset = 0; + } + if (width > Tk_Width(tkwin)) { + width = Tk_Width(tkwin); + } + if (height > Tk_Height(tkwin)) { + height = Tk_Height(tkwin); + } + if ((width + imageXOffset) > Tk_Width(tkwin)) { + imageXOffset = Tk_Width(tkwin) - width; + } + if ((height + imageYOffset) > Tk_Height(tkwin)) { + imageYOffset = Tk_Height(tkwin) - height; + } + if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) { Tk_RedrawImage(butPtr->selectImage, 0, 0, width, |