X11: Don't redraw dialog box when mouse moves. This fixes bug #2343. (https://bugzilla.libsdl.org/show_bug.cgi?id=2343) Thanks to Melker Narikka for the patch.
diff --git a/src/video/x11/SDL_x11messagebox.c b/src/video/x11/SDL_x11messagebox.c
index a3dcc65..7d0cb25 100644
--- a/src/video/x11/SDL_x11messagebox.c
+++ b/src/video/x11/SDL_x11messagebox.c
@@ -560,7 +560,11 @@ X11_MessageBoxLoop( SDL_MessageBoxDataX11 *data )
case MotionNotify:
if ( has_focus ) {
/* Mouse moved... */
+ int previndex = data->mouse_over_index;
data->mouse_over_index = GetHitButtonIndex( data, e.xbutton.x, e.xbutton.y );
+ if (data->mouse_over_index == previndex) {
+ draw = SDL_FALSE;
+ }
}
break;