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authornijtmans <nijtmans>2010-05-17 08:43:58 (GMT)
committernijtmans <nijtmans>2010-05-17 08:43:58 (GMT)
commitc8ab85ecfd0e2802bb98ab00e67b9acaa01a5577 (patch)
treef00ab26a5c6edc02a389c79fd585beb4b8df33a1 /win
parentede9fc2f74a2e9aa5084e18c93d903e81f0f3303 (diff)
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[Patch #2999920]: Optimize Internal Virtual event string operations
[Bug #2987995]: Tk_getOpenFile returns garbage under described circumstances
Diffstat (limited to 'win')
-rw-r--r--win/tkWinDialog.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/win/tkWinDialog.c b/win/tkWinDialog.c
index 041aea8..8ac95bf 100644
--- a/win/tkWinDialog.c
+++ b/win/tkWinDialog.c
@@ -8,7 +8,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkWinDialog.c,v 1.73 2010/04/20 19:57:46 nijtmans Exp $
+ * RCS: @(#) $Id: tkWinDialog.c,v 1.74 2010/05/17 08:44:00 nijtmans Exp $
*
*/
@@ -996,7 +996,17 @@ OFNHookProcW(
} else if (uMsg == WM_NOTIFY) {
OFNOTIFYW *notifyPtr = (OFNOTIFYW *) lParam;
- if (notifyPtr->hdr.code == CDN_FILEOK) {
+ /*
+ * This is weird... or not. The CDN_FILEOK is NOT sent when the selection
+ * exceeds declared buffer size (the nMaxFile member of the OPENFILENAMEW
+ * struct passed to GetOpenFileNameW function). So, we have to rely on
+ * the most recent CDN_SELCHANGE then. Unfortunately this means, that
+ * gathering the selected filenames happens twice when they fit into the
+ * declared buffer. Luckily, it's not frequent operation so it should
+ * not incur any noticeable delay. See [tktoolkit-Bugs-2987995]
+ */
+ if (notifyPtr->hdr.code == CDN_FILEOK ||
+ notifyPtr->hdr.code == CDN_SELCHANGE) {
int dirsize, selsize;
WCHAR *buffer;
int buffersize;
@@ -1531,7 +1541,17 @@ OFNHookProcA(
} else if (uMsg == WM_NOTIFY) {
OFNOTIFY *notifyPtr = (OFNOTIFY *) lParam;
- if (notifyPtr->hdr.code == CDN_FILEOK) {
+ /*
+ * This is weird... or not. The CDN_FILEOK is NOT sent when the selection
+ * exceeds declared buffer size (the nMaxFile member of the OPENFILENAMEW
+ * struct passed to GetOpenFileNameW function). So, we have to rely on
+ * the most recent CDN_SELCHANGE then. Unfortunately this means, that
+ * gathering the selected filenames happens twice when they fit into the
+ * declared buffer. Luckily, it's not frequent operation so it should
+ * not incur any noticeable delay. See [tktoolkit-Bugs-2987995]
+ */
+ if (notifyPtr->hdr.code == CDN_FILEOK ||
+ notifyPtr->hdr.code == CDN_SELCHANGE) {
int dirsize, selsize;
char *buffer;
int buffersize;