Clean up serial handling and automate proximity acompaning events

include/wlr/types/wlr_tablet_v2.h

@@ -8,7 +8,7 @@
 #include "tablet-unstable-v2-protocol.h"
 
 /* This can probably be even lower,the tools don't have a lot of buttons */
-#define WLR_TABLEt_V2_TOOL_BUTTONS_CAP 16
+#define WLR_TABLET_V2_TOOL_BUTTONS_CAP 16
 
 struct wlr_tablet_client_v2;
 struct wlr_tablet_tool_client_v2;
@@ -51,8 +51,8 @@ struct wlr_tablet_v2_tablet_tool {
 	bool is_down;
 	uint32_t down_serial;
 	size_t num_buttons;
-	uint32_t pressed_buttons[WLR_TABLEt_V2_TOOL_BUTTONS_CAP];
-	uint32_t pressed_serials[WLR_TABLEt_V2_TOOL_BUTTONS_CAP];
+	uint32_t pressed_buttons[WLR_TABLET_V2_TOOL_BUTTONS_CAP];
+	uint32_t pressed_serials[WLR_TABLET_V2_TOOL_BUTTONS_CAP];
 
 	struct {
 		struct wl_signal set_cursor; // struct wlr_tablet_v2_event_cursor

types/tablet_v2/wlr_tablet_v2.c

@@ -117,6 +117,8 @@ void wlr_tablet_seat_client_v2_destroy(struct wl_resource *resource) {
 		destroy_tablet_tool_v2(tool->resource);
 	}
 
+	wl_list_remove(&seat->seat_link);
+	wl_list_remove(&seat->client_link);
 	wl_list_remove(&seat->seat_client_destroy.link);
 
 	free(seat);

types/tablet_v2/wlr_tablet_v2_tool.c

@@ -261,20 +261,22 @@ static ssize_t tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool,
 		}
 	}
 
-	if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED && !found &&
-			tool->num_buttons < WLR_TABLEt_V2_TOOL_BUTTONS_CAP) {
+	if (state == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED && !found &&
+			tool->num_buttons < WLR_TABLET_V2_TOOL_BUTTONS_CAP) {
 		i = tool->num_buttons++;
 		tool->pressed_buttons[i] = button;
+		tool->pressed_serials[i] = -1;
+	} else {
+		i = -1;
 	}
-	if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED && found) {
+	if (state == ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED && found) {
 		tool->pressed_buttons[i] = 0;
 		tool->pressed_serials[i] = 0;
-		tool->num_buttons = push_zeroes_to_end(tool->pressed_buttons, WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
-		tool->num_buttons = push_zeroes_to_end(tool->pressed_serials, WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
-		i = -1;
+		tool->num_buttons = push_zeroes_to_end(tool->pressed_buttons, WLR_TABLET_V2_TOOL_BUTTONS_CAP);
+		tool->num_buttons = push_zeroes_to_end(tool->pressed_serials, WLR_TABLET_V2_TOOL_BUTTONS_CAP);
 	}
 
-	assert(tool->num_buttons <= WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
+	assert(tool->num_buttons <= WLR_TABLET_V2_TOOL_BUTTONS_CAP);
 	return i;
 }
 
@@ -378,12 +380,23 @@ void wlr_send_tablet_v2_tablet_tool_motion(
 void wlr_send_tablet_v2_tablet_tool_proximity_out(
 		struct wlr_tablet_v2_tablet_tool *tool) {
 	if (tool->current_client) {
+		for (size_t i = 0; i < tool->num_buttons; ++i) {
+			zwp_tablet_tool_v2_send_button(tool->current_client->resource,
+				tool->pressed_serials[i],
+				tool->pressed_buttons[i],
+				ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED);
+		}
+		if (tool->is_down) {
+			zwp_tablet_tool_v2_send_up(tool->current_client->resource);
+		}
 		zwp_tablet_tool_v2_send_proximity_out(tool->current_client->resource);
 		if (tool->current_client->frame_source) {
 			wl_event_source_remove(tool->current_client->frame_source);
 			send_tool_frame(tool->current_client);
 		}
+
 		tool->current_client = NULL;
+		tool->focused_surface = NULL;
 	}
 }