diff --git a/include/rootston/cursor.h b/include/rootston/cursor.h index 3bc8c08b..c0dbc010 100644 --- a/include/rootston/cursor.h +++ b/include/rootston/cursor.h @@ -94,4 +94,10 @@ void roots_cursor_handle_tool_tip(struct roots_cursor *cursor, void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor, struct wlr_seat_pointer_request_set_cursor_event *event); +void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor, + struct wlr_seat_pointer_grab *grab); + +void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor, + struct wlr_seat_pointer_grab *grab); + #endif diff --git a/rootston/roots_cursor.c b/rootston/roots_cursor.c index c44b0e7f..c8abe098 100644 --- a/rootston/roots_cursor.c +++ b/rootston/roots_cursor.c @@ -302,3 +302,65 @@ void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor, event->hotspot_y); cursor->cursor_client = event->seat_client->client; } + +static void handle_drag_icon_commit(struct wl_listener *listener, void *data) { + struct roots_drag_icon *drag_icon = + wl_container_of(listener, drag_icon, surface_commit); + drag_icon->sx += drag_icon->surface->current->sx; + drag_icon->sy += drag_icon->surface->current->sy; +} + +static void handle_drag_icon_destroy(struct wl_listener *listener, void *data) { + struct roots_drag_icon *drag_icon = + wl_container_of(listener, drag_icon, surface_destroy); + wl_list_remove(&drag_icon->link); + wl_list_remove(&drag_icon->surface_destroy.link); + wl_list_remove(&drag_icon->surface_commit.link); + free(drag_icon); +} + +void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor, + struct wlr_seat_pointer_grab *grab) { + struct roots_seat *seat = cursor->seat; + if (grab->interface == &wlr_data_device_pointer_drag_interface) { + struct wlr_drag *drag = grab->data; + if (drag->icon) { + struct roots_drag_icon *iter_icon; + wl_list_for_each(iter_icon, &seat->drag_icons, link) { + if (iter_icon->surface == drag->icon) { + // already in the list + return; + } + } + + struct roots_drag_icon *drag_icon = + calloc(1, sizeof(struct roots_drag_icon)); + drag_icon->mapped = true; + drag_icon->surface = drag->icon; + wl_list_insert(&seat->drag_icons, &drag_icon->link); + + wl_signal_add(&drag->icon->events.destroy, + &drag_icon->surface_destroy); + drag_icon->surface_destroy.notify = handle_drag_icon_destroy; + + wl_signal_add(&drag->icon->events.commit, + &drag_icon->surface_commit); + drag_icon->surface_commit.notify = handle_drag_icon_commit; + } + } +} + +void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor, + struct wlr_seat_pointer_grab *grab) { + if (grab->interface == &wlr_data_device_pointer_drag_interface) { + struct wlr_drag *drag = grab->data; + struct roots_drag_icon *icon; + wl_list_for_each(icon, &cursor->seat->drag_icons, link) { + if (icon->surface == drag->icon) { + icon->mapped = false; + } + } + } + + roots_cursor_update_position(cursor, 0); +} diff --git a/rootston/seat.c b/rootston/seat.c index 12f12a69..ce8ad10b 100644 --- a/rootston/seat.c +++ b/rootston/seat.c @@ -97,6 +97,22 @@ static void handle_request_set_cursor(struct wl_listener *listener, roots_cursor_handle_request_set_cursor(cursor, event); } +static void handle_pointer_grab_begin(struct wl_listener *listener, + void *data) { + struct roots_cursor *cursor = + wl_container_of(listener, cursor, pointer_grab_begin); + struct wlr_seat_pointer_grab *grab = data; + roots_cursor_handle_pointer_grab_begin(cursor, grab); +} + +static void handle_pointer_grab_end(struct wl_listener *listener, + void *data) { + struct roots_cursor *cursor = + wl_container_of(listener, cursor, pointer_grab_end); + struct wlr_seat_pointer_grab *grab = data; + roots_cursor_handle_pointer_grab_end(cursor, grab); +} + static void seat_reset_device_mappings(struct roots_seat *seat, struct wlr_input_device *device) { struct wlr_cursor *cursor = seat->cursor->cursor; struct roots_config *config = seat->input->config; @@ -236,6 +252,14 @@ static void roots_seat_init_cursor(struct roots_seat *seat) { wl_signal_add(&seat->seat->events.request_set_cursor, &seat->cursor->request_set_cursor); seat->cursor->request_set_cursor.notify = handle_request_set_cursor; + + wl_signal_add(&seat->seat->events.pointer_grab_begin, + &seat->cursor->pointer_grab_begin); + seat->cursor->pointer_grab_begin.notify = handle_pointer_grab_begin; + + wl_signal_add(&seat->seat->events.pointer_grab_end, + &seat->cursor->pointer_grab_end); + seat->cursor->pointer_grab_end.notify = handle_pointer_grab_end; } struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {