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-rw-r--r--gdk/gdkevents.c23
-rw-r--r--gtk/gtkeventcontrollerscroll.c20
2 files changed, 24 insertions, 19 deletions
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 0e78d337d2..4b61715575 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -2368,10 +2368,33 @@ gdk_scroll_event_new_discrete (GdkSurface *surface,
GdkScrollDirection direction)
{
GdkScrollEvent *self = gdk_event_alloc (GDK_SCROLL, surface, device, time);
+ double delta_x = 0, delta_y = 0;
+
+ switch (direction)
+ {
+ case GDK_SCROLL_UP:
+ delta_y = -1;
+ break;
+ case GDK_SCROLL_DOWN:
+ delta_y = 1;
+ break;
+ case GDK_SCROLL_LEFT:
+ delta_x = -1;
+ break;
+ case GDK_SCROLL_RIGHT:
+ delta_x = 1;
+ break;
+ case GDK_SCROLL_SMOOTH:
+ default:
+ g_assert_not_reached ();
+ break;
+ }
self->tool = tool != NULL ? g_object_ref (tool) : NULL;
self->state = state;
self->direction = direction;
+ self->delta_x = delta_x;
+ self->delta_y = delta_y;
self->unit = GDK_SCROLL_UNIT_WHEEL;
return (GdkEvent *) self;
diff --git a/gtk/gtkeventcontrollerscroll.c b/gtk/gtkeventcontrollerscroll.c
index d78cc01770..e51cb7b241 100644
--- a/gtk/gtkeventcontrollerscroll.c
+++ b/gtk/gtkeventcontrollerscroll.c
@@ -416,25 +416,7 @@ gtk_event_controller_scroll_handle_event (GtkEventController *controller,
}
else
{
- switch (direction)
- {
- case GDK_SCROLL_UP:
- dy -= 1;
- break;
- case GDK_SCROLL_DOWN:
- dy += 1;
- break;
- case GDK_SCROLL_LEFT:
- dx -= 1;
- break;
- case GDK_SCROLL_RIGHT:
- dx += 1;
- break;
- case GDK_SCROLL_SMOOTH:
- default:
- g_assert_not_reached ();
- break;
- }
+ gdk_scroll_event_get_deltas (event, &dx, &dy);
if ((scroll->flags & GTK_EVENT_CONTROLLER_SCROLL_VERTICAL) == 0)
dy = 0;