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	seat: remove wlr_seat_validate_grab_serial()
It makes little sense to have a catch-all grab vaildation function, considering that e.g. tablet tool implicit grabs are possible as well. Besides, the function has always returned true anyway.
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					 3 changed files with 0 additions and 28 deletions
				
			
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			@ -693,12 +693,6 @@ void wlr_seat_touch_end_grab(struct wlr_seat *wlr_seat);
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 */
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bool wlr_seat_touch_has_grab(struct wlr_seat *seat);
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/**
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 * Check whether this serial is valid to start a grab action such as an
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 * interactive move or resize.
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 */
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bool wlr_seat_validate_grab_serial(struct wlr_seat *seat, uint32_t serial);
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/**
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 * Check whether this serial is valid to start a pointer grab action.
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 */
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			@ -444,13 +444,6 @@ struct wlr_seat_client *wlr_seat_client_from_resource(
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	return wl_resource_get_user_data(resource);
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}
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bool wlr_seat_validate_grab_serial(struct wlr_seat *seat, uint32_t serial) {
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	// TODO
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	//return serial == seat->pointer_state.grab_serial ||
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	//	serial == seat->touch_state.grab_serial;
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	return true;
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}
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uint32_t wlr_seat_client_next_serial(struct wlr_seat_client *client) {
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	uint32_t serial = wl_display_next_serial(wl_client_get_display(client->client));
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	struct wlr_serial_ringset *set = &client->serials;
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			@ -265,11 +265,6 @@ static void xdg_toplevel_handle_show_window_menu(struct wl_client *client,
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		return;
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	}
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	if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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		wlr_log(WLR_DEBUG, "invalid serial for grab");
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		return;
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	}
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	struct wlr_xdg_toplevel_show_window_menu_event event = {
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		.toplevel = toplevel,
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		.seat = seat,
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			@ -296,11 +291,6 @@ static void xdg_toplevel_handle_move(struct wl_client *client,
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		return;
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	}
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	if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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		wlr_log(WLR_DEBUG, "invalid serial for grab");
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		return;
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	}
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	struct wlr_xdg_toplevel_move_event event = {
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		.toplevel = toplevel,
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		.seat = seat,
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			@ -342,11 +332,6 @@ static void xdg_toplevel_handle_resize(struct wl_client *client,
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		return;
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	}
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	if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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		wlr_log(WLR_DEBUG, "invalid serial for grab");
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		return;
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	}
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	struct wlr_xdg_toplevel_resize_event event = {
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		.toplevel = toplevel,
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		.seat = seat,
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