diff --git a/examples/compositor.c b/examples/compositor.c index c67b8481..56974486 100644 --- a/examples/compositor.c +++ b/examples/compositor.c @@ -468,10 +468,11 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener, } static void handle_cursor_axis(struct wl_listener *listener, void *data) { - //struct sample_state *sample = - //wl_container_of(listener, sample, cursor_axis); - //struct wlr_event_pointer_axis *event = data; - wlr_log(L_DEBUG, "TODO: handle cursor axis"); + struct sample_state *sample = + wl_container_of(listener, sample, cursor_axis); + struct wlr_event_pointer_axis *event = data; + wlr_seat_pointer_send_axis(sample->wl_seat, event->time_sec, + event->orientation, event->delta); } static void handle_cursor_button(struct wl_listener *listener, void *data) { diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h index 4b433ccb..f992b2f2 100644 --- a/include/wlr/types/wlr_seat.h +++ b/include/wlr/types/wlr_seat.h @@ -109,4 +109,7 @@ void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time, void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time, uint32_t button, uint32_t state); +void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time, + enum wlr_axis_orientation orientation, double value); + #endif diff --git a/types/wlr_seat.c b/types/wlr_seat.c index 9a254b35..54b55ba9 100644 --- a/types/wlr_seat.c +++ b/types/wlr_seat.c @@ -260,6 +260,11 @@ static void handle_pointer_focus_resource_destroyed( wlr_seat_pointer_clear_focus(state->wlr_seat); } +static bool wlr_seat_pointer_has_focus_resource(struct wlr_seat *wlr_seat) { + return wlr_seat->pointer_state.focused_handle && + wlr_seat->pointer_state.focused_handle->pointer; +} + void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat, struct wlr_surface *surface, double sx, double sy) { assert(wlr_seat); @@ -282,7 +287,7 @@ void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat, wlr_seat->pointer_state.focused_surface; // leave the previously entered surface - if (focused_handle && focused_surface) { + if (focused_handle && focused_handle->pointer && focused_surface) { uint32_t serial = wl_display_next_serial(wlr_seat->display); wl_pointer_send_leave(focused_handle->pointer, serial, focused_surface->resource); @@ -290,7 +295,7 @@ void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat, } // enter the current surface - if (handle) { + if (handle && handle->pointer) { uint32_t serial = wl_display_next_serial(wlr_seat->display); wl_pointer_send_enter(handle->pointer, serial, surface->resource, wl_fixed_from_double(sx), wl_fixed_from_double(sy)); @@ -327,8 +332,7 @@ void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat) { void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time, double sx, double sy) { - if (!wlr_seat->pointer_state.focused_handle) { - // nobody to send the event to + if (!wlr_seat_pointer_has_focus_resource(wlr_seat)) { return; } @@ -339,8 +343,7 @@ void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time, void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time, uint32_t button, uint32_t state) { - if (!wlr_seat->pointer_state.focused_handle) { - // nobody to send the event to + if (!wlr_seat_pointer_has_focus_resource(wlr_seat)) { return; } @@ -349,3 +352,22 @@ void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time, serial, time, button, state); wl_pointer_send_frame(wlr_seat->pointer_state.focused_handle->pointer); } + +void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time, + enum wlr_axis_orientation orientation, double value) { + if (!wlr_seat_pointer_has_focus_resource(wlr_seat)) { + return; + } + + struct wl_resource *pointer = + wlr_seat->pointer_state.focused_handle->pointer; + + if (value) { + wl_pointer_send_axis(pointer, time, orientation, + wl_fixed_from_double(value)); + } else { + wl_pointer_send_axis_stop(pointer, time, orientation); + } + + wl_pointer_send_frame(pointer); +}