[PATCH v3 weston 1/2] Add a weston_pointer_axis_event
Peter Hutterer
peter.hutterer at who-t.net
Mon Dec 7 17:15:00 PST 2015
Use an event struct to pass axis events around. This helps dealing with the
upcoming axis discrete changes.
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
Changes to v2:
- new in this series
desktop-shell/exposay.c | 2 +-
desktop-shell/shell.c | 17 ++++++++++-------
ivi-shell/hmi-controller.c | 5 +++--
src/bindings.c | 10 +++++-----
src/compositor-wayland.c | 6 +++++-
src/compositor-x11.c | 37 +++++++++++++++++++++++++------------
src/compositor.h | 22 +++++++++++++++-------
src/data-device.c | 2 +-
src/input.c | 21 ++++++++++++---------
src/libinput-device.c | 11 +++++++----
10 files changed, 84 insertions(+), 49 deletions(-)
diff --git a/desktop-shell/exposay.c b/desktop-shell/exposay.c
index 8bd55fb..f837859 100644
--- a/desktop-shell/exposay.c
+++ b/desktop-shell/exposay.c
@@ -387,7 +387,7 @@ exposay_button(struct weston_pointer_grab *grab, uint32_t time, uint32_t button,
static void
exposay_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time, struct weston_pointer_axis_event *event)
{
}
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index 780902d..8d168ea 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -1593,7 +1593,7 @@ noop_grab_focus(struct weston_pointer_grab *grab)
static void
noop_grab_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time, struct weston_pointer_axis_event *event)
{
}
@@ -3201,9 +3201,10 @@ popup_grab_button(struct weston_pointer_grab *grab,
static void
popup_grab_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time,
+ struct weston_pointer_axis_event *event)
{
- weston_pointer_send_axis(grab->pointer, time, axis, value);
+ weston_pointer_send_axis(grab->pointer, time, event);
}
static void
@@ -4718,7 +4719,8 @@ resize_binding(struct weston_pointer *pointer, uint32_t time,
static void
surface_opacity_binding(struct weston_pointer *pointer, uint32_t time,
- uint32_t axis, wl_fixed_t value, void *data)
+ struct weston_pointer_axis_event *event,
+ void *data)
{
float step = 0.005;
struct shell_surface *shsurf;
@@ -4734,7 +4736,7 @@ surface_opacity_binding(struct weston_pointer *pointer, uint32_t time,
if (!shsurf)
return;
- shsurf->view->alpha -= wl_fixed_to_double(value) * step;
+ shsurf->view->alpha -= wl_fixed_to_double(event->value) * step;
if (shsurf->view->alpha > 1.0)
shsurf->view->alpha = 1.0;
@@ -4797,9 +4799,10 @@ do_zoom(struct weston_seat *seat, uint32_t time, uint32_t key, uint32_t axis,
static void
zoom_axis_binding(struct weston_pointer *pointer, uint32_t time,
- uint32_t axis, wl_fixed_t value, void *data)
+ struct weston_pointer_axis_event *event,
+ void *data)
{
- do_zoom(pointer->seat, time, 0, axis, value);
+ do_zoom(pointer->seat, time, 0, event->axis, event->value);
}
static void
diff --git a/ivi-shell/hmi-controller.c b/ivi-shell/hmi-controller.c
index e10f4ff..354fa4d 100644
--- a/ivi-shell/hmi-controller.c
+++ b/ivi-shell/hmi-controller.c
@@ -1324,9 +1324,10 @@ pointer_noop_grab_focus(struct weston_pointer_grab *grab)
static void
pointer_default_grab_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time,
+ struct weston_pointer_axis_event *event)
{
- weston_pointer_send_axis(grab->pointer, time, axis, value);
+ weston_pointer_send_axis(grab->pointer, time, event);
}
static void
diff --git a/src/bindings.c b/src/bindings.c
index 234c034..cc68cfe 100644
--- a/src/bindings.c
+++ b/src/bindings.c
@@ -390,20 +390,20 @@ weston_compositor_run_touch_binding(struct weston_compositor *compositor,
int
weston_compositor_run_axis_binding(struct weston_compositor *compositor,
struct weston_pointer *pointer,
- uint32_t time, uint32_t axis,
- wl_fixed_t value)
+ uint32_t time,
+ struct weston_pointer_axis_event *event)
{
struct weston_binding *b, *tmp;
/* Invalidate all active modifier bindings. */
wl_list_for_each(b, &compositor->modifier_binding_list, link)
- b->key = axis;
+ b->key = event->axis;
wl_list_for_each_safe(b, tmp, &compositor->axis_binding_list, link) {
- if (b->axis == axis &&
+ if (b->axis == event->axis &&
b->modifier == pointer->seat->modifier_state) {
weston_axis_binding_handler_t handler = b->handler;
- handler(pointer, time, axis, value, b->data);
+ handler(pointer, time, event, b->data);
return 1;
}
}
diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
index 792c256..f94d166 100644
--- a/src/compositor-wayland.c
+++ b/src/compositor-wayland.c
@@ -1427,8 +1427,12 @@ input_handle_axis(void *data, struct wl_pointer *pointer,
uint32_t time, uint32_t axis, wl_fixed_t value)
{
struct wayland_input *input = data;
+ struct weston_pointer_axis_event weston_event;
- notify_axis(&input->base, time, axis, value);
+ weston_event.axis = axis;
+ weston_event.value = value;
+
+ notify_axis(&input->base, time, &weston_event);
}
static const struct wl_pointer_listener pointer_listener = {
diff --git a/src/compositor-x11.c b/src/compositor-x11.c
index 26e387e..93018da 100644
--- a/src/compositor-x11.c
+++ b/src/compositor-x11.c
@@ -1047,6 +1047,7 @@ x11_backend_deliver_button_event(struct x11_backend *b,
(xcb_button_press_event_t *) event;
uint32_t button;
struct x11_output *output;
+ struct weston_pointer_axis_event weston_event;
output = x11_backend_find_output(b, button_event->event);
if (!output)
@@ -1082,32 +1083,44 @@ x11_backend_deliver_button_event(struct x11_backend *b,
case 4:
/* Axis are measured in pixels, but the xcb events are discrete
* steps. Therefore move the axis by some pixels every step. */
- if (state)
+ if (state) {
+ weston_event.value = -DEFAULT_AXIS_STEP_DISTANCE;
+ weston_event.axis =
+ WL_POINTER_AXIS_VERTICAL_SCROLL;
notify_axis(&b->core_seat,
weston_compositor_get_time(),
- WL_POINTER_AXIS_VERTICAL_SCROLL,
- -DEFAULT_AXIS_STEP_DISTANCE);
+ &weston_event);
+ }
return;
case 5:
- if (state)
+ if (state) {
+ weston_event.value = DEFAULT_AXIS_STEP_DISTANCE;
+ weston_event.axis =
+ WL_POINTER_AXIS_VERTICAL_SCROLL;
notify_axis(&b->core_seat,
weston_compositor_get_time(),
- WL_POINTER_AXIS_VERTICAL_SCROLL,
- DEFAULT_AXIS_STEP_DISTANCE);
+ &weston_event);
+ }
return;
case 6:
- if (state)
+ if (state) {
+ weston_event.value = -DEFAULT_AXIS_STEP_DISTANCE;
+ weston_event.axis =
+ WL_POINTER_AXIS_HORIZONTAL_SCROLL;
notify_axis(&b->core_seat,
weston_compositor_get_time(),
- WL_POINTER_AXIS_HORIZONTAL_SCROLL,
- -DEFAULT_AXIS_STEP_DISTANCE);
+ &weston_event);
+ }
return;
case 7:
- if (state)
+ if (state) {
+ weston_event.value = DEFAULT_AXIS_STEP_DISTANCE;
+ weston_event.axis =
+ WL_POINTER_AXIS_HORIZONTAL_SCROLL;
notify_axis(&b->core_seat,
weston_compositor_get_time(),
- WL_POINTER_AXIS_HORIZONTAL_SCROLL,
- DEFAULT_AXIS_STEP_DISTANCE);
+ &weston_event);
+ }
return;
default:
button = button_event->detail + BTN_SIDE - 8;
diff --git a/src/compositor.h b/src/compositor.h
index 43db92e..bf38784 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -253,6 +253,11 @@ struct weston_pointer_motion_event {
double dy;
};
+struct weston_pointer_axis_event {
+ uint32_t axis;
+ wl_fixed_t value;
+};
+
struct weston_pointer_grab;
struct weston_pointer_grab_interface {
void (*focus)(struct weston_pointer_grab *grab);
@@ -261,7 +266,8 @@ struct weston_pointer_grab_interface {
void (*button)(struct weston_pointer_grab *grab,
uint32_t time, uint32_t button, uint32_t state);
void (*axis)(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value);
+ uint32_t time,
+ struct weston_pointer_axis_event *event);
void (*cancel)(struct weston_pointer_grab *grab);
};
@@ -397,7 +403,8 @@ void
weston_pointer_destroy(struct weston_pointer *pointer);
void
weston_pointer_send_axis(struct weston_pointer *pointer,
- uint32_t time, uint32_t axis, wl_fixed_t value);
+ uint32_t time,
+ struct weston_pointer_axis_event *event);
void
weston_pointer_set_focus(struct weston_pointer *pointer,
struct weston_view *view,
@@ -1133,8 +1140,8 @@ void
notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
enum wl_pointer_button_state state);
void
-notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
- wl_fixed_t value);
+notify_axis(struct weston_seat *seat, uint32_t time,
+ struct weston_pointer_axis_event *event);
void
notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
enum wl_keyboard_key_state state,
@@ -1255,8 +1262,9 @@ weston_compositor_add_touch_binding(struct weston_compositor *compositor,
void *data);
typedef void (*weston_axis_binding_handler_t)(struct weston_pointer *pointer,
- uint32_t time, uint32_t axis,
- wl_fixed_t value, void *data);
+ uint32_t time,
+ struct weston_pointer_axis_event *event,
+ void *data);
struct weston_binding *
weston_compositor_add_axis_binding(struct weston_compositor *compositor,
uint32_t axis,
@@ -1302,7 +1310,7 @@ weston_compositor_run_touch_binding(struct weston_compositor *compositor,
int
weston_compositor_run_axis_binding(struct weston_compositor *compositor,
struct weston_pointer *pointer, uint32_t time,
- uint32_t axis, int32_t value);
+ struct weston_pointer_axis_event *event);
int
weston_compositor_run_debug_binding(struct weston_compositor *compositor,
struct weston_keyboard *keyboard, uint32_t time,
diff --git a/src/data-device.c b/src/data-device.c
index d3ead5f..9bb4472 100644
--- a/src/data-device.c
+++ b/src/data-device.c
@@ -412,7 +412,7 @@ drag_grab_button(struct weston_pointer_grab *grab,
static void
drag_grab_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time, struct weston_pointer_axis_event *event)
{
}
diff --git a/src/input.c b/src/input.c
index 097c8e7..b87c51c 100644
--- a/src/input.c
+++ b/src/input.c
@@ -333,7 +333,8 @@ default_grab_pointer_button(struct weston_pointer_grab *grab,
*/
WL_EXPORT void
weston_pointer_send_axis(struct weston_pointer *pointer,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time,
+ struct weston_pointer_axis_event *event)
{
struct wl_resource *resource;
struct wl_list *resource_list;
@@ -343,14 +344,16 @@ weston_pointer_send_axis(struct weston_pointer *pointer,
resource_list = &pointer->focus_client->pointer_resources;
wl_resource_for_each(resource, resource_list)
- wl_pointer_send_axis(resource, time, axis, value);
+ wl_pointer_send_axis(resource, time,
+ event->axis, event->value);
}
static void
default_grab_pointer_axis(struct weston_pointer_grab *grab,
- uint32_t time, uint32_t axis, wl_fixed_t value)
+ uint32_t time,
+ struct weston_pointer_axis_event *event)
{
- weston_pointer_send_axis(grab->pointer, time, axis, value);
+ weston_pointer_send_axis(grab->pointer, time, event);
}
static void
@@ -1266,22 +1269,22 @@ notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
}
WL_EXPORT void
-notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
- wl_fixed_t value)
+notify_axis(struct weston_seat *seat, uint32_t time,
+ struct weston_pointer_axis_event *event)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
weston_compositor_wake(compositor);
- if (!value)
+ if (!event->value)
return;
if (weston_compositor_run_axis_binding(compositor, pointer,
- time, axis, value))
+ time, event))
return;
- pointer->grab->interface->axis(pointer->grab, time, axis, value);
+ pointer->grab->interface->axis(pointer->grab, time, event);
}
WL_EXPORT int
diff --git a/src/libinput-device.c b/src/libinput-device.c
index 7cc6a35..9860d6e 100644
--- a/src/libinput-device.c
+++ b/src/libinput-device.c
@@ -199,23 +199,26 @@ handle_pointer_axis(struct libinput_device *libinput_device,
libinput_device_get_user_data(libinput_device);
double value;
enum libinput_pointer_axis axis;
+ struct weston_pointer_axis_event weston_event;
axis = LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL;
if (libinput_event_pointer_has_axis(pointer_event, axis)) {
value = normalize_scroll(pointer_event, axis);
+ weston_event.value = wl_fixed_from_double(value);
+ weston_event.axis = WL_POINTER_AXIS_VERTICAL_SCROLL;
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
- WL_POINTER_AXIS_VERTICAL_SCROLL,
- wl_fixed_from_double(value));
+ &weston_event);
}
axis = LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL;
if (libinput_event_pointer_has_axis(pointer_event, axis)) {
value = normalize_scroll(pointer_event, axis);
+ weston_event.value = wl_fixed_from_double(value);
+ weston_event.axis = WL_POINTER_AXIS_HORIZONTAL_SCROLL;
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
- WL_POINTER_AXIS_HORIZONTAL_SCROLL,
- wl_fixed_from_double(value));
+ &weston_event);
}
}
--
2.5.0
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