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Add support for discrete axis values

This commit is contained in:
emersion 2018-05-12 13:04:47 +01:00
parent 84609d347a
commit 0b58579564
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GPG Key ID: 0FDE7BE0E88F5E48
12 changed files with 58 additions and 22 deletions
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6
backend/libinput/pointer.c
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@ -126,8 +126,10 @@ void handle_pointer_axis(struct libinput_event *event,
wlr_event.orientation = WLR_AXIS_ORIENTATION_HORIZONTAL;
break;
}
wlr_event.delta = libinput_event_pointer_get_axis_value(
pevent, axies[i]);
wlr_event.delta =
libinput_event_pointer_get_axis_value(pevent, axies[i]);
wlr_event.delta_discrete =
libinput_event_pointer_get_axis_value_discrete(pevent, axies[i]);
wlr_signal_emit_safe(&wlr_dev->pointer->events.axis, &wlr_event);
}
}

9
backend/wayland/wl_seat.c
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@ -111,11 +111,14 @@ static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
struct wlr_event_pointer_axis event = {
.device = &pointer->input_device->wlr_input_device,
.delta = wl_fixed_to_double(value),
.delta_discrete = pointer->axis_discrete,
.orientation = axis,
.time_msec = time,
.source = pointer->axis_source,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.axis, &event);
pointer->axis_discrete = 0;
}
static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
@ -140,7 +143,13 @@ static void pointer_handle_axis_stop(void *data, struct wl_pointer *wl_pointer,
static void pointer_handle_axis_discrete(void *data, struct wl_pointer *wl_pointer,
uint32_t axis, int32_t discrete) {
struct wlr_wl_backend *backend = data;
struct wlr_wl_pointer *pointer = backend->current_pointer;
if (pointer == NULL) {
return;
}
pointer->axis_discrete = discrete;
}
static const struct wl_pointer_listener pointer_listener = {

6
backend/x11/input_device.c
View File

@ -73,13 +73,15 @@ void handle_x11_input_event(struct wlr_x11_backend *x11,
if (ev->detail == XCB_BUTTON_INDEX_4 ||
ev->detail == XCB_BUTTON_INDEX_5) {
double delta = (ev->detail == XCB_BUTTON_INDEX_4 ? -15 : 15);
int32_t delta_discrete = ev->detail == XCB_BUTTON_INDEX_4 ? -1 : 1;
struct wlr_event_pointer_axis axis = {
.device = &output->pointer_dev,
.time_msec = ev->time,
.source = WLR_AXIS_SOURCE_WHEEL,
.orientation = WLR_AXIS_ORIENTATION_VERTICAL,
.delta = delta,
// 15 is a typical value libinput sends for one scroll
.delta = delta_discrete * 15,
.delta_discrete = delta_discrete,
};
wlr_signal_emit_safe(&output->pointer.events.axis, &axis);
x11->time = ev->time;

1
include/backend/wayland.h
View File

@ -72,6 +72,7 @@ struct wlr_wl_pointer {
struct wlr_wl_input_device *input_device;
struct wl_pointer *wl_pointer;
enum wlr_axis_source axis_source;
int32_t axis_discrete;
struct wlr_wl_output *output;
struct wl_listener output_destroy;

1
include/wlr/types/wlr_pointer.h
View File

@ -58,6 +58,7 @@ struct wlr_event_pointer_axis {
enum wlr_axis_source source;
enum wlr_axis_orientation orientation;
double delta;
int32_t delta_discrete;
};
#endif

9
include/wlr/types/wlr_seat.h
View File

@ -60,7 +60,8 @@ struct wlr_pointer_grab_interface {
uint32_t (*button)(struct wlr_seat_pointer_grab *grab, uint32_t time,
uint32_t button, uint32_t state);
void (*axis)(struct wlr_seat_pointer_grab *grab, uint32_t time,
enum wlr_axis_orientation orientation, double value);
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete);
void (*cancel)(struct wlr_seat_pointer_grab *grab);
};
@ -300,7 +301,8 @@ uint32_t wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
* grabs.
**/
void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value);
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete);
/**
* Start a grab of the pointer of this seat. The grabber is responsible for
@ -341,7 +343,8 @@ uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
* Notify the seat of an axis event.
*/
void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value);
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete);
/**
* Whether or not the pointer has a grab other than the default grab.

2
rootston/cursor.c
View File

@ -313,7 +313,7 @@ void roots_cursor_handle_button(struct roots_cursor *cursor,
void roots_cursor_handle_axis(struct roots_cursor *cursor,
struct wlr_event_pointer_axis *event) {
wlr_seat_pointer_notify_axis(cursor->seat->seat, event->time_msec,
event->orientation, event->delta);
event->orientation, event->delta, event->delta_discrete);
}
void roots_cursor_handle_touch_down(struct roots_cursor *cursor,

3
types/data_device/wlr_drag.c
View File

@ -191,7 +191,8 @@ static uint32_t drag_handle_pointer_button(struct wlr_seat_pointer_grab *grab,
}
static void drag_handle_pointer_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
uint32_t time, enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
// This space is intentionally left blank
}

25
types/seat/wlr_seat_pointer.c
View File

@ -25,8 +25,10 @@ static uint32_t default_pointer_button(struct wlr_seat_pointer_grab *grab,
}
static void default_pointer_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
uint32_t time, enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value,
value_discrete);
}
static void default_pointer_cancel(struct wlr_seat_pointer_grab *grab) {
@ -224,7 +226,8 @@ uint32_t wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
}
void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value) {
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
if (client == NULL) {
return;
@ -236,11 +239,18 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
continue;
}
uint32_t version = wl_resource_get_version(resource);
if (value) {
if (value_discrete &&
version >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION) {
wl_pointer_send_axis_discrete(resource, orientation,
value_discrete);
}
wl_pointer_send_axis(resource, time, orientation,
wl_fixed_from_double(value));
} else if (wl_resource_get_version(resource) >=
WL_POINTER_AXIS_STOP_SINCE_VERSION) {
} else if (version >= WL_POINTER_AXIS_STOP_SINCE_VERSION) {
wl_pointer_send_axis_stop(resource, time, orientation);
}
pointer_send_frame(resource);
@ -304,10 +314,11 @@ uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
}
void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value) {
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
grab->interface->axis(grab, time, orientation, value);
grab->interface->axis(grab, time, orientation, value, value_discrete);
}
bool wlr_seat_pointer_has_grab(struct wlr_seat *seat) {

6
types/wlr_wl_shell.c
View File

@ -93,8 +93,10 @@ static void shell_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) {
}
static void shell_pointer_grab_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
uint32_t time, enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value,
value_discrete);
}
static const struct wlr_pointer_grab_interface shell_pointer_grab_impl = {

6
types/wlr_xdg_shell.c
View File

@ -77,8 +77,10 @@ static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab,
}
static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
uint32_t time, enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value,
value_discrete);
}
static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) {

6
types/wlr_xdg_shell_v6.c
View File

@ -87,8 +87,10 @@ static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab,
}
static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
uint32_t time, enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value,
value_discrete);
}
static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) {