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authorjan.nijtmans <nijtmans@users.sourceforge.net>2011-10-11 11:33:00 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2011-10-11 11:33:00 (GMT)
commitbf90364eb7e18c50416631c1dc5f6401871886df (patch)
tree34de26ac635c3d2578714c975e3d025874302663 /generic
parentf75dd076093970f42c020063f04446e8e3abef86 (diff)
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Add dummy user_data field to XVirtualEvent, for improved upwards compatibility with Tk 8.5
Diffstat (limited to 'generic')
-rw-r--r--generic/tk.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/generic/tk.h b/generic/tk.h
index f03992f..e777947 100644
--- a/generic/tk.h
+++ b/generic/tk.h
@@ -653,6 +653,10 @@ typedef struct Tk_GeomMgr {
* the most information to the user. The only difference is the changing
* of the detail field for a virtual event so that it holds the name of the
* virtual event being triggered.
+ *
+ * When using this structure, if you want your code to work correctly
+ * in Tk 8.5 as well, you should ensure that you zero out all the
+ * fields first using memset() or bzero().
*/
typedef struct {
@@ -669,6 +673,7 @@ typedef struct {
unsigned int state; /* key or button mask */
Tk_Uid name; /* Name of virtual event. */
Bool same_screen; /* same screen flag */
+ Tcl_Obj *user_data; /* not used in Tk 8.4 */
} XVirtualEvent;
typedef struct {