X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=filebrowser%2Fselfile.c;h=f59e159d5aba7cbfc7b9408e4acba136befa1a8c;hb=29cdb3df264381034a99c132554295d4e4deb1e6;hp=477b02254930635c3d14bd7e0b7b7cd9c91b6170;hpb=8c9c9b75176c6135bd37d190e20b6e1818ff108f;p=xboard.git

diff --git a/filebrowser/selfile.c b/filebrowser/selfile.c
index 477b022..f59e159 100644
--- a/filebrowser/selfile.c
+++ b/filebrowser/selfile.c
@@ -267,6 +267,14 @@ void SFsetFocus(Widget w, XtPointer data, XEvent *event, Boolean *b)
     XtSetKeyboardFocus((Widget) data, w);
 }
 
+void SFwheelProc(Widget w, XtPointer data, XEvent *event, Boolean *b)
+{   // [HGM] mouse-wheel callback scrolls lists
+    int dir, n = (intptr_t) data;
+    if(event->xbutton.button == Button4) dir = -2; // kludge to indicate relative motion
+    if(event->xbutton.button == Button5) dir = -1;
+    SFvSliderMovedCallback(w, n, dir);
+}
+
 static void
 SFcreateWidgets(toplevel, prompt, ok, cancel)
 	Widget	toplevel;
@@ -522,6 +530,9 @@ SFcreateWidgets(toplevel, prompt, ok, cancel)
 			SFhSliderMovedCallback, (XtPointer)(intptr_t) n);
 		XtAddCallback(selFileHScrolls[n], XtNscrollProc,
 			SFhAreaSelectedCallback, (XtPointer)(intptr_t) n);
+
+		XtAddEventHandler(selFileVScrolls[n], ButtonPressMask, False,
+			SFwheelProc, (XtPointer)(intptr_t) n); // [HGM] couplemouse wheel to v-scroll
 	}
 
 	i = 0;
@@ -844,8 +855,8 @@ XsraSelFile(toplevel, prompt, ok, cancel, failed,
 				SFprepareToReturn();
 				return stderr;
 			}
-			if (fp = SFopenFile(*name_return, mode,
-					    prompt, failed)) {
+			if ((*name_return)[strlen(*name_return)-1] != '/' &&         // [HGM] refuse directories
+			    (fp = SFopenFile(*name_return, mode, prompt, failed))) {
 				SFprepareToReturn();
 				return fp;
 			}