Add relative coordinates in JSON for i3bar click events

Compatibility with i3 commit 161db6f17d734ac9deb0a20e81b78d4b2a92ce68.

include/swaybar/i3bar.h

@@ -27,6 +27,7 @@ struct i3bar_block {
 void i3bar_block_unref(struct i3bar_block *block);
 bool i3bar_handle_readable(struct status_line *status);
 enum hotspot_event_handling i3bar_block_send_click(struct status_line *status,
-		struct i3bar_block *block, int x, int y, enum x11_button button);
+		struct i3bar_block *block, int x, int y, int rx, int ry, int w, int h,
+		enum x11_button button);
 
 #endif

include/swaybar/input.h

@@ -37,7 +37,8 @@ struct swaybar_hotspot {
 	struct wl_list link; // swaybar_output::hotspots
 	int x, y, width, height;
 	enum hotspot_event_handling (*callback)(struct swaybar_output *output,
-			int x, int y, enum x11_button button, void *data);
+		struct swaybar_hotspot *hotspot, int x, int y,
+		enum x11_button button, void *data);
 	void (*destroy)(void *data);
 	void *data;
 };

swaybar/i3bar.c

@@ -260,7 +260,8 @@ bool i3bar_handle_readable(struct status_line *status) {
 }
 
 enum hotspot_event_handling i3bar_block_send_click(struct status_line *status,
-		struct i3bar_block *block, int x, int y, enum x11_button button) {
+		struct i3bar_block *block, int x, int y, int rx, int ry, int w, int h,
+		enum x11_button button) {
 	wlr_log(WLR_DEBUG, "block %s clicked", block->name);
 	if (!block->name || !status->click_events) {
 		return HOTSPOT_PROCESS;
@@ -277,6 +278,10 @@ enum hotspot_event_handling i3bar_block_send_click(struct status_line *status,
 	json_object_object_add(event_json, "button", json_object_new_int(button));
 	json_object_object_add(event_json, "x", json_object_new_int(x));
 	json_object_object_add(event_json, "y", json_object_new_int(y));
+	json_object_object_add(event_json, "relative_x", json_object_new_int(rx));
+	json_object_object_add(event_json, "relative_y", json_object_new_int(ry));
+	json_object_object_add(event_json, "width", json_object_new_int(w));
+	json_object_object_add(event_json, "height", json_object_new_int(h));
 	if (dprintf(status->write_fd, "%s%s\n", status->clicked ? "," : "",
 				json_object_to_json_string(event_json)) < 0) {
 		status_error(status, "[failed to write click event]");

swaybar/input.c

@@ -133,8 +133,8 @@ static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
 				&& y >= hotspot->y
 				&& x < hotspot->x + hotspot->width
 				&& y < hotspot->y + hotspot->height) {
-			if (HOTSPOT_IGNORE == hotspot->callback(output, pointer->x, pointer->y,
-					wl_button_to_x11_button(button), hotspot->data)) {
+			if (HOTSPOT_IGNORE == hotspot->callback(output, hotspot,
+					pointer->x, pointer->y, wl_button_to_x11_button(button), hotspot->data)) {
 				return;
 			}
 		}
@@ -166,8 +166,8 @@ static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
 				&& y >= hotspot->y
 				&& x < hotspot->x + hotspot->width
 				&& y < hotspot->y + hotspot->height) {
-			if (HOTSPOT_IGNORE == hotspot->callback(
-					output, pointer->x, pointer->y, button, hotspot->data)) {
+			if (HOTSPOT_IGNORE == hotspot->callback(output, hotspot,
+					pointer->x, pointer->y, button, hotspot->data)) {
 				return;
 			}
 		}

swaybar/render.c

@@ -112,10 +112,12 @@ static void render_sharp_line(cairo_t *cairo, uint32_t color,
 }
 
 static enum hotspot_event_handling block_hotspot_callback(struct swaybar_output *output,
+		struct swaybar_hotspot *hotspot,
 		int x, int y, enum x11_button button, void *data) {
 	struct i3bar_block *block = data;
 	struct status_line *status = output->bar->status;
-	return i3bar_block_send_click(status, block, x, y, button);
+	return i3bar_block_send_click(status, block, x, y, x - hotspot->x, y - hotspot->y,
+			hotspot->width, hotspot->height, button);
 }
 
 static void i3bar_block_unref_callback(void *data) {
@@ -343,6 +345,7 @@ static uint32_t render_binding_mode_indicator(cairo_t *cairo,
 }
 
 static enum hotspot_event_handling workspace_hotspot_callback(struct swaybar_output *output,
+		struct swaybar_hotspot *hotspot,
 		int x, int y, enum x11_button button, void *data) {
 	if (button != LEFT) {
 		return HOTSPOT_PROCESS;