feat: add shield_when_capture windowrule

src/mango.c

@@ -316,6 +316,7 @@ struct Client {
 	struct wlr_scene_tree *scene;
 	struct wlr_scene_rect *border; /* top, bottom, left, right */
 	struct wlr_scene_shadow *shadow;
+	struct wlr_scene_rect *shield;
 	struct wlr_scene_blur *blur;
 	struct wlr_scene_tree *scene_surface;
 	struct wlr_scene_tree *image_capture_tree;
@@ -386,6 +387,7 @@ struct Client {
 	int32_t iskilling;
 	int32_t istagswitching;
 	int32_t isnamedscratchpad;
+	int32_t shield_when_capture;
 	bool is_pending_open_animation;
 	bool is_restoring_from_ov;
 	float scroller_proportion;
@@ -548,6 +550,11 @@ typedef struct {
 	struct wl_listener destroy;
 } SessionLock;
 
+struct capture_session_tracker {
+	struct wl_listener session_destroy;
+	struct wlr_ext_image_copy_capture_session_v1 *session;
+};
+
 /* function declarations */
 static void applybounds(
 	Client *c,
@@ -691,6 +698,8 @@ static void virtualpointer(struct wl_listener *listener, void *data);
 static void warp_cursor(const Client *c);
 static Monitor *xytomon(double x, double y);
 static Monitor *get_monitor_nearest_to(int32_t x, int32_t y);
+static void handle_iamge_copy_capture_new_session(struct wl_listener *listener,
+												  void *data);
 static void xytonode(double x, double y, struct wlr_surface **psurface,
 					 Client **pc, LayerSurface **pl, double *nx, double *ny);
 static void clear_fullscreen_flag(Client *c);
@@ -827,6 +836,7 @@ static struct wlr_keyboard_shortcuts_inhibit_manager_v1
 	*keyboard_shortcuts_inhibit;
 static struct wlr_virtual_pointer_manager_v1 *virtual_pointer_mgr;
 static struct wlr_output_power_manager_v1 *power_mgr;
+static struct wlr_ext_image_copy_capture_manager_v1 *ext_image_copy_capture_mgr;
 static struct wlr_pointer_gestures_v1 *pointer_gestures;
 static struct wlr_drm_lease_v1_manager *drm_lease_manager;
 struct mango_print_status_manager *print_status_manager;
@@ -896,6 +906,7 @@ static struct wl_event_source *hide_source;
 static bool cursor_hidden = false;
 static bool tag_combo = false;
 static const char *cli_config_path = NULL;
+static int active_capture_count = 0;
 static KeyMode keymode = {
 	.mode = {'d', 'e', 'f', 'a', 'u', 'l', 't', '\0'},
 	.isdefault = true,
@@ -946,6 +957,8 @@ static struct wl_listener output_mgr_apply = {.notify = outputmgrapply};
 static struct wl_listener output_mgr_test = {.notify = outputmgrtest};
 static struct wl_listener output_power_mgr_set_mode = {.notify =
 														   powermgrsetmode};
+static struct wl_listener ext_image_copy_capture_mgr_new_session = {
+	.notify = handle_iamge_copy_capture_new_session};
 static struct wl_listener request_activate = {.notify = urgent};
 static struct wl_listener request_cursor = {.notify = setcursor};
 static struct wl_listener request_set_psel = {.notify = setpsel};
@@ -1319,6 +1332,7 @@ static void apply_rule_properties(Client *c, const ConfigWinRule *r) {
 	APPLY_INT_PROP(c, r, isnamedscratchpad);
 	APPLY_INT_PROP(c, r, isglobal);
 	APPLY_INT_PROP(c, r, isoverlay);
+	APPLY_INT_PROP(c, r, shield_when_capture);
 	APPLY_INT_PROP(c, r, ignore_maximize);
 	APPLY_INT_PROP(c, r, ignore_minimize);
 	APPLY_INT_PROP(c, r, isnosizehint);
@@ -3997,6 +4011,12 @@ mapnotify(struct wl_listener *listener, void *data) {
 	wlr_scene_node_lower_to_bottom(&c->shadow->node);
 	wlr_scene_node_set_enabled(&c->shadow->node, true);
 
+	c->shield = wlr_scene_rect_create(c->scene_surface, 0, 0,
+									  (float[4]){0, 0, 0, 0xff});
+	c->shield->node.data = c;
+	wlr_scene_node_lower_to_bottom(&c->shield->node);
+	wlr_scene_node_set_enabled(&c->shield->node, false);
+
 	if (new_is_master && selmon && !is_scroller_layout(selmon))
 		// tile at the top
 		wl_list_insert(&clients, &c->link); // 新窗口是master,头部入栈
@@ -4425,6 +4445,53 @@ void pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy,
 // 修改printstatus函数，接受掩码参数
 void printstatus(void) { wl_signal_emit(&mango_print_status, NULL); }
 
+// 会话销毁时的回调
+void handle_session_destroy(struct wl_listener *listener, void *data) {
+	struct capture_session_tracker *tracker =
+		wl_container_of(listener, tracker, session_destroy);
+	active_capture_count--;
+	wl_list_remove(&tracker->session_destroy.link);
+
+	Client *c = NULL;
+	wl_list_for_each(c, &clients, link) {
+		if (c->shield_when_capture && !c->iskilling && VISIBLEON(c, c->mon)) {
+			arrange(c->mon, false, false);
+		}
+	}
+
+	wlr_log(WLR_DEBUG, "Capture session ended, active count: %d",
+			active_capture_count);
+	free(tracker);
+}
+
+// 新会话创建时的回调
+void handle_iamge_copy_capture_new_session(struct wl_listener *listener,
+										   void *data) {
+	struct wlr_ext_image_copy_capture_session_v1 *session = data;
+
+	struct capture_session_tracker *tracker = calloc(1, sizeof(*tracker));
+	if (!tracker) {
+		wlr_log(WLR_ERROR, "Failed to allocate capture session tracker");
+		return;
+	}
+	tracker->session = session;
+	tracker->session_destroy.notify = handle_session_destroy;
+	// 监听会话的 destroy 信号，以便在会话结束时减少计数
+	wl_signal_add(&session->events.destroy, &tracker->session_destroy);
+
+	active_capture_count++;
+
+	Client *c = NULL;
+	wl_list_for_each(c, &clients, link) {
+		if (c->shield_when_capture && !c->iskilling && VISIBLEON(c, c->mon)) {
+			arrange(c->mon, false, false);
+		}
+	}
+
+	wlr_log(WLR_DEBUG, "New capture session started, active count: %d",
+			active_capture_count);
+}
+
 void powermgrsetmode(struct wl_listener *listener, void *data) {
 	struct wlr_output_power_v1_set_mode_event *event = data;
 	struct wlr_output_state state = {0};
@@ -5338,6 +5405,11 @@ void setup(void) {
 	wl_signal_init(&mango_print_status);
 	wl_signal_add(&mango_print_status, &print_status_listener);
 
+	ext_image_copy_capture_mgr =
+		wlr_ext_image_copy_capture_manager_v1_create(dpy, 1);
+	wl_signal_add(&ext_image_copy_capture_mgr->events.new_session,
+				  &ext_image_copy_capture_mgr_new_session);
+
 	/* Initializes the interface used to implement urgency hints */
 	activation = wlr_xdg_activation_v1_create(dpy);
 	wl_signal_add(&activation->events.request_activate, &request_activate);