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	Clean up serial handling
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						25c2808153
					
				
					 6 changed files with 84 additions and 79 deletions
				
			
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			@ -49,10 +49,6 @@ struct wlr_tablet_pad_client_v2 {
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	struct wl_resource *resource;
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	struct wlr_tablet_v2_tablet_pad *pad;
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	uint32_t enter_serial;
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	uint32_t mode_serial;
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	uint32_t leave_serial;
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	size_t button_count;
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	size_t group_count;
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			@ -73,8 +69,6 @@ struct wlr_tablet_tool_client_v2 {
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	struct wlr_tablet_v2_tablet_tool *tool;
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	struct wlr_tablet_seat_client_v2 *seat;
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	uint32_t proximity_serial;
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	struct wl_event_source *frame_source;
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};
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			@ -47,11 +47,12 @@ struct wlr_tablet_v2_tablet_tool {
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	struct wl_listener surface_destroy;
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	struct wl_listener client_destroy;
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	uint32_t down_serial;
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	uint32_t proximity_serial;
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	bool is_down;
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	uint32_t button_serial;
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	uint32_t down_serial;
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	size_t num_buttons;
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	uint32_t pressed_buttons[WLR_TABLEt_V2_TOOL_BUTTONS_CAP];
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	uint32_t pressed_serials[WLR_TABLEt_V2_TOOL_BUTTONS_CAP];
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	struct {
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		struct wl_signal set_cursor; // struct wlr_tablet_v2_event_cursor
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			@ -110,12 +111,12 @@ struct wlr_tablet_v2_tablet_tool *wlr_tablet_tool_create(
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struct wlr_tablet_manager_v2 *wlr_tablet_v2_create(struct wl_display *display);
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void wlr_tablet_v2_destroy(struct wlr_tablet_manager_v2 *manager);
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uint32_t wlr_send_tablet_v2_tablet_tool_proximity_in(
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void wlr_send_tablet_v2_tablet_tool_proximity_in(
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	struct wlr_tablet_v2_tablet_tool *tool,
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	struct wlr_tablet_v2_tablet *tablet,
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	struct wlr_surface *surface);
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uint32_t wlr_send_tablet_v2_tablet_tool_down(struct wlr_tablet_v2_tablet_tool *tool);
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void wlr_send_tablet_v2_tablet_tool_down(struct wlr_tablet_v2_tablet_tool *tool);
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void wlr_send_tablet_v2_tablet_tool_up(struct wlr_tablet_v2_tablet_tool *tool);
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void wlr_send_tablet_v2_tablet_tool_motion(
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			@ -142,7 +143,7 @@ void wlr_send_tablet_v2_tablet_tool_wheel(
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void wlr_send_tablet_v2_tablet_tool_proximity_out(
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	struct wlr_tablet_v2_tablet_tool *tool);
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uint32_t wlr_send_tablet_v2_tablet_tool_button(
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void wlr_send_tablet_v2_tablet_tool_button(
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	struct wlr_tablet_v2_tablet_tool *tool, uint32_t button,
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	enum zwp_tablet_pad_v2_button_state state);
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			@ -77,8 +77,6 @@ struct wlr_tablet_seat_v2 *get_or_create_tablet_seat(
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	return create_tablet_seat(manager, wlr_seat);
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}
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static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(struct wl_resource *resource);
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static void tablet_seat_destroy(struct wl_client *client,
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		struct wl_resource *resource) {
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	wl_resource_destroy(resource);
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			@ -136,6 +134,8 @@ static void tablet_manager_destroy(struct wl_client *client,
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	wl_resource_destroy(resource);
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}
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static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(struct wl_resource *resource);
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static void get_tablet_seat(struct wl_client *wl_client, struct wl_resource *resource,
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		uint32_t id, struct wl_resource *seat_resource)
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{
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			@ -323,7 +323,6 @@ static void handle_wlr_tablet_pad_destroy(struct wl_listener *listener, void *da
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	struct wlr_tablet_pad_client_v2 *pos;
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	struct wlr_tablet_pad_client_v2 *tmp;
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	wl_list_for_each_safe(pos, tmp, &pad->clients, pad_link) {
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		// XXX: Add a timer/flag to destroy if client is slow?
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		zwp_tablet_pad_v2_send_removed(pos->resource);
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		for (size_t i = 0; i < pos->group_count; ++i) {
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			@ -441,7 +440,7 @@ uint32_t wlr_send_tablet_v2_tablet_pad_enter(
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	/* Pre-increment keeps 0 clean. wraparound would be after 2^32
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	 * proximity_in. Someone wants to do the math how long that would take?
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	 */
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	uint32_t serial = ++pad_client->enter_serial;
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	uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
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	zwp_tablet_pad_v2_send_enter(pad_client->resource, serial,
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		tablet_client->resource, surface->resource);
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			@ -512,15 +511,12 @@ void wlr_send_tablet_v2_tablet_pad_ring(struct wlr_tablet_v2_tablet_pad *pad,
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uint32_t wlr_send_tablet_v2_tablet_pad_leave(struct wlr_tablet_v2_tablet_pad *pad,
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		struct wlr_surface *surface) {
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	if (!pad->current_client ||
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			wl_resource_get_client(surface->resource) != pad->current_client->client) {
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	struct wl_client *client = wl_resource_get_client(surface->resource);
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	if (!pad->current_client || client != pad->current_client->client) {
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		return 0;
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	}
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	/* Pre-increment keeps 0 clean. wraparound would be after 2^32
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	 * proximity_in. Someone wants to do the math how long that would take?
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	 */
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	uint32_t serial = ++pad->current_client->leave_serial;
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	uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
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	zwp_tablet_pad_v2_send_leave(pad->current_client->resource, serial, surface->resource);
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	return serial;
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			@ -540,10 +536,8 @@ uint32_t wlr_send_tablet_v2_tablet_pad_mode(struct wlr_tablet_v2_tablet_pad *pad
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	pad->groups[group] = mode;
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	/* Pre-increment keeps 0 clean. wraparound would be after 2^32
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	 * proximity_in. Someone wants to do the math how long that would take?
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	 */
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	uint32_t serial = ++pad->current_client->mode_serial;
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	struct wl_client *client = wl_resource_get_client(pad->current_client->resource);
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	uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
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	zwp_tablet_pad_group_v2_send_mode_switch(
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		pad->current_client->groups[group], time, serial, mode);
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			@ -40,7 +40,6 @@ static void handle_wlr_tablet_destroy(struct wl_listener *listener, void *data)
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	struct wlr_tablet_client_v2 *pos;
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	struct wlr_tablet_client_v2 *tmp;
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	wl_list_for_each_safe(pos, tmp, &tablet->clients, tablet_link) {
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		// XXX: Add a timer/flag to destroy if client is slow?
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		zwp_tablet_v2_send_removed(pos->resource);
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	}
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			@ -178,7 +178,6 @@ static void handle_wlr_tablet_tool_destroy(struct wl_listener *listener, void *d
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	struct wlr_tablet_tool_client_v2 *pos;
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	struct wlr_tablet_tool_client_v2 *tmp;
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	wl_list_for_each_safe(pos, tmp, &tool->clients, tool_link) {
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		// XXX: Add a timer/flag to destroy if client is slow?
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		zwp_tablet_tool_v2_send_removed(pos->resource);
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		pos->tool = NULL;
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	}
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			@ -251,7 +250,7 @@ static size_t push_zeroes_to_end(uint32_t arr[], size_t n) {
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	return ret;
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}
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static void tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool,
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static ssize_t tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool,
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		uint32_t button, enum zwp_tablet_pad_v2_button_state state) {
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	bool found = false;
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	size_t i = 0;
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			@ -264,20 +263,31 @@ static void tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool,
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	if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED && !found &&
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			tool->num_buttons < WLR_TABLEt_V2_TOOL_BUTTONS_CAP) {
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		tool->pressed_buttons[tool->num_buttons++] = button;
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		i = tool->num_buttons++;
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		tool->pressed_buttons[i] = button;
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	}
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	if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED && found) {
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		tool->pressed_buttons[i] = 0;
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		tool->pressed_serials[i] = 0;
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		tool->num_buttons = push_zeroes_to_end(tool->pressed_buttons, WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
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		tool->num_buttons = push_zeroes_to_end(tool->pressed_serials, WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
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		i = -1;
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	}
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	assert(tool->num_buttons <= WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
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	return i;
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}
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static inline int64_t timespec_to_msec(const struct timespec *a) {
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	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
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}
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static void send_tool_frame(void *data) {
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	struct wlr_tablet_tool_client_v2 *tool = data;
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	zwp_tablet_tool_v2_send_frame(tool->resource, 0);
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	struct timespec now;
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	clock_gettime(CLOCK_MONOTONIC, &now);
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	zwp_tablet_tool_v2_send_frame(tool->resource, timespec_to_msec(&now));
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	tool->frame_source = NULL;
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}
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			@ -290,14 +300,14 @@ static void queue_tool_frame(struct wlr_tablet_tool_client_v2 *tool) {
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	}
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}
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uint32_t wlr_send_tablet_v2_tablet_tool_proximity_in(
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void wlr_send_tablet_v2_tablet_tool_proximity_in(
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		struct wlr_tablet_v2_tablet_tool *tool,
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		struct wlr_tablet_v2_tablet *tablet,
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		struct wlr_surface *surface) {
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	struct wl_client *client = wl_resource_get_client(surface->resource);
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	if (tool->focused_surface == surface) {
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		return 0;
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		return;
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	}
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	struct wlr_tablet_client_v2 *tablet_tmp;
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			@ -313,7 +323,7 @@ uint32_t wlr_send_tablet_v2_tablet_tool_proximity_in(
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	// the client didn't bind tablet_v2 at all, or not for the relevant
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	// seat
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	if (!tablet_client) {
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		return 0;
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		return;
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	}
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	struct wlr_tablet_tool_client_v2 *tool_tmp = NULL;
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			@ -329,22 +339,28 @@ uint32_t wlr_send_tablet_v2_tablet_tool_proximity_in(
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	// the client didn't bind tablet_v2 at all, or not for the relevant
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	// seat
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	if (!tool_client) {
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		return 0;
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		return;
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	}
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	tool->current_client = tool_client;
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	/* Pre-increment keeps 0 clean. wraparound would be after 2^32
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	 * proximity_in. Someone wants to do the math how long that would take?
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	 */
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	uint32_t serial = ++tool_client->proximity_serial;
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	uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
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	tool->focused_surface = surface;
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	tool->proximity_serial = serial;
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	zwp_tablet_tool_v2_send_proximity_in(tool_client->resource, serial,
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		tablet_client->resource, surface->resource);
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	queue_tool_frame(tool_client);
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	/* Send all the pressed buttons */
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	for (size_t i = 0; i < tool->num_buttons; ++i) {
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		 wlr_send_tablet_v2_tablet_tool_button(tool,
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			tool->pressed_buttons[i],
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			ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED);
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	}
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	if (tool->is_down) {
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		wlr_send_tablet_v2_tablet_tool_down(tool);
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	}
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	tool->focused_surface = surface;
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	return serial;
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	queue_tool_frame(tool_client);
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}
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void wlr_send_tablet_v2_tablet_tool_motion(
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			@ -363,7 +379,6 @@ void wlr_send_tablet_v2_tablet_tool_proximity_out(
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		struct wlr_tablet_v2_tablet_tool *tool) {
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	if (tool->current_client) {
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		zwp_tablet_tool_v2_send_proximity_out(tool->current_client->resource);
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		// XXX: Get the time for the frame
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		if (tool->current_client->frame_source) {
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			wl_event_source_remove(tool->current_client->frame_source);
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			send_tool_frame(tool->current_client);
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			@ -428,22 +443,23 @@ void wlr_send_tablet_v2_tablet_tool_slider(
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	queue_tool_frame(tool->current_client);
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}
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uint32_t wlr_send_tablet_v2_tablet_tool_button(
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void wlr_send_tablet_v2_tablet_tool_button(
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		struct wlr_tablet_v2_tablet_tool *tool, uint32_t button,
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		enum zwp_tablet_pad_v2_button_state state) {
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	tablet_tool_button_update(tool, button, state);
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	ssize_t index = tablet_tool_button_update(tool, button, state);
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	if (tool->current_client) {
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		uint32_t serial = ++tool->button_serial;
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		struct wl_client *client =
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			wl_resource_get_client(tool->current_client->resource);
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		uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
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		if (index >= 0) {
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			tool->pressed_serials[index] = serial;
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		}
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		zwp_tablet_tool_v2_send_button(tool->current_client->resource,
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			serial, button, state);
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		queue_tool_frame(tool->current_client);
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		return serial;
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	}
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	return 0;
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}
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void wlr_send_tablet_v2_tablet_tool_wheel(
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			@ -456,23 +472,23 @@ void wlr_send_tablet_v2_tablet_tool_wheel(
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	}
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}
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		||||
uint32_t wlr_send_tablet_v2_tablet_tool_down(struct wlr_tablet_v2_tablet_tool *tool) {
 | 
			
		||||
void wlr_send_tablet_v2_tablet_tool_down(struct wlr_tablet_v2_tablet_tool *tool) {
 | 
			
		||||
	if (tool->is_down) {
 | 
			
		||||
		return 0;
 | 
			
		||||
		return;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	tool->is_down = true;
 | 
			
		||||
	if (tool->current_client) {
 | 
			
		||||
		uint32_t serial = ++tool->down_serial;
 | 
			
		||||
		struct wl_client *client =
 | 
			
		||||
			wl_resource_get_client(tool->current_client->resource);
 | 
			
		||||
		uint32_t serial = wl_display_next_serial(wl_client_get_display(client));
 | 
			
		||||
 | 
			
		||||
		zwp_tablet_tool_v2_send_down(tool->current_client->resource,
 | 
			
		||||
			serial);
 | 
			
		||||
		queue_tool_frame(tool->current_client);
 | 
			
		||||
 | 
			
		||||
		return serial;
 | 
			
		||||
		tool->down_serial = serial;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void wlr_send_tablet_v2_tablet_tool_up(struct wlr_tablet_v2_tablet_tool *tool) {
 | 
			
		||||
| 
						 | 
				
			
			@ -480,6 +496,7 @@ void wlr_send_tablet_v2_tablet_tool_up(struct wlr_tablet_v2_tablet_tool *tool) {
 | 
			
		|||
		return;
 | 
			
		||||
	}
 | 
			
		||||
	tool->is_down = false;
 | 
			
		||||
	tool->down_serial = 0;
 | 
			
		||||
 | 
			
		||||
	if (tool->current_client) {
 | 
			
		||||
		zwp_tablet_tool_v2_send_up(tool->current_client->resource);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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