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wayland: implementation of pointer_handle_axis.

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We translate wayland pointer axis events to GDK smooth scroll events, to
implement pointer_handle_axis events.

https://bugzilla.gnome.org/show_bug.cgi?id=679986
Signed-off-by: Rob Bradford <rob@linux.intel.com>
This commit is contained in:
José Dapena Paz 2012-07-13 16:29:25 +02:00 committed by Rob Bradford
parent 23c5ebafce
commit a93f246056
1 changed files with 35 additions and 0 deletions
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35
gdk/wayland/gdkdevice-wayland.c
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@ -1112,6 +1112,41 @@ pointer_handle_axis (void *data,
uint32_t axis,
wl_fixed_t value)
{
GdkWaylandDevice *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkEvent *event;
gdouble delta_x, delta_y;
switch (axis) {
case WL_POINTER_AXIS_VERTICAL_SCROLL:
delta_x = 0;
delta_y = -wl_fixed_to_double (value);
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
delta_x = -wl_fixed_to_double (value);
delta_y = 0;
default:
g_return_if_reached ();
}
device->time = time;
event = gdk_event_new (GDK_SCROLL);
event->scroll.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->pointer);
event->scroll.time = time;
event->scroll.x = (gdouble) device->surface_x;
event->scroll.y = (gdouble) device->surface_y;
event->scroll.direction = GDK_SCROLL_SMOOTH;
event->scroll.delta_x = delta_x;
event->scroll.delta_y = delta_y;
event->button.state = device->modifiers;
gdk_event_set_screen (event, display->screen);
GDK_NOTE (EVENTS,
g_message ("scroll %f %f",
event->scroll.delta_x, event->scroll.delta_y));
_gdk_wayland_display_deliver_event (device->display, event);
}
static void