feat: set dbus env auto

src/common/util.c

@@ -92,3 +92,85 @@ uint32_t get_now_in_ms(void) {
 uint32_t timespec_to_ms(struct timespec *ts) {
 	return (uint32_t)ts->tv_sec * 1000 + (uint32_t)ts->tv_nsec / 1000000;
 }
+
+char *join_strings(char *arr[], const char *sep) {
+	if (!arr || !arr[0]) {
+		char *empty = malloc(1);
+		if (empty)
+			empty[0] = '\0';
+		return empty;
+	}
+
+	size_t total_len = 0;
+	int count = 0;
+	for (int i = 0; arr[i] != NULL; i++) {
+		total_len += strlen(arr[i]);
+		count++;
+	}
+	if (count > 0) {
+		total_len += strlen(sep) * (count - 1);
+	}
+
+	char *result = malloc(total_len + 1);
+	if (!result)
+		return NULL;
+
+	result[0] = '\0';
+	for (int i = 0; arr[i] != NULL; i++) {
+		if (i > 0)
+			strcat(result, sep);
+		strcat(result, arr[i]);
+	}
+	return result;
+}
+
+char *join_strings_with_suffix(char *arr[], const char *suffix,
+							   const char *sep) {
+	if (!arr || !arr[0]) {
+		char *empty = malloc(1);
+		if (empty)
+			empty[0] = '\0';
+		return empty;
+	}
+
+	size_t total_len = 0;
+	int count = 0;
+	for (int i = 0; arr[i] != NULL; i++) {
+		total_len += strlen(arr[i]) + strlen(suffix);
+		count++;
+	}
+	if (count > 0) {
+		total_len += strlen(sep) * (count - 1);
+	}
+
+	char *result = malloc(total_len + 1);
+	if (!result)
+		return NULL;
+
+	result[0] = '\0';
+	for (int i = 0; arr[i] != NULL; i++) {
+		if (i > 0)
+			strcat(result, sep);
+		strcat(result, arr[i]);
+		strcat(result, suffix);
+	}
+	return result;
+}
+
+char *string_printf(const char *fmt, ...) {
+	va_list args;
+	va_start(args, fmt);
+	int len = vsnprintf(NULL, 0, fmt, args);
+	va_end(args);
+	if (len < 0)
+		return NULL;
+
+	char *str = malloc(len + 1);
+	if (!str)
+		return NULL;
+
+	va_start(args, fmt);
+	vsnprintf(str, len + 1, fmt, args);
+	va_end(args);
+	return str;
+}

src/common/util.h

@@ -7,4 +7,8 @@ int32_t fd_set_nonblock(int32_t fd);
 int32_t regex_match(const char *pattern_mb, const char *str_mb);
 void wl_list_append(struct wl_list *list, struct wl_list *object);
 uint32_t get_now_in_ms(void);
-uint32_t timespec_to_ms(struct timespec *ts);
+uint32_t timespec_to_ms(struct timespec *ts);
+char *join_strings(char *arr[], const char *sep);
+char *join_strings_with_suffix(char *arr[], const char *suffix,
+							   const char *sep);
+char *string_printf(const char *fmt, ...);

src/config/parse_config.h

@@ -3503,6 +3503,16 @@ void reapply_cursor_style(void) {
 
 	cursor_mgr = wlr_xcursor_manager_create(config.cursor_theme, cursor_size);
 
+	if(cursor_size > 0){
+        char size_str[16];
+        snprintf(size_str, sizeof(size_str), "%d", cursor_size);
+		setenv("XCURSOR_SIZE", size_str, 1);
+	}
+
+	if(config.cursor_theme){
+		setenv("XCURSOR_THEME", config.cursor_theme, 1);
+	}
+
 	Monitor *m = NULL;
 	wl_list_for_each(m, &mons, link) {
 		wlr_xcursor_manager_load(cursor_mgr, m->wlr_output->scale);

src/mango.c

@@ -915,6 +915,12 @@ static KeyMode keymode = {
 	.mode = {'d', 'e', 'f', 'a', 'u', 'l', 't', '\0'},
 	.isdefault = true,
 };
+
+static char *env_vars[] = {"DISPLAY",
+						   "WAYLAND_DISPLAY",
+						   "XDG_CURRENT_DESKTOP",
+						   "XDG_SESSION_TYPE",
+						   NULL};
 static struct {
 	enum wp_cursor_shape_device_v1_shape shape;
 	struct wlr_surface *surface;
@@ -4725,6 +4731,41 @@ void exchange_two_client(Client *c1, Client *c2) {
 	}
 }
 
+void set_activation_env() {
+	if (!getenv("DBUS_SESSION_BUS_ADDRESS")) {
+		wlr_log(WLR_INFO, "Not updating dbus execution environment: "
+						  "DBUS_SESSION_BUS_ADDRESS not set");
+		return;
+	}
+
+	wlr_log(WLR_INFO, "Updating dbus execution environment");
+
+	char *env_keys = join_strings(env_vars, " ");
+
+	// first command: dbus-update-activation-environment
+	const char *arg1 = env_keys;
+	char *cmd1 = string_printf("dbus-update-activation-environment %s", arg1);
+	if (!cmd1) {
+		wlr_log(WLR_ERROR, "Failed to allocate command string");
+		goto cleanup;
+	}
+	spawn(&(Arg){.v = cmd1});
+	free(cmd1);
+
+	// second command: systemctl --user
+	const char *action = "import-environment";
+	char *cmd2 = string_printf("systemctl --user %s %s", action, env_keys);
+	if (!cmd2) {
+		wlr_log(WLR_ERROR, "Failed to allocate command string");
+		goto cleanup;
+	}
+	spawn(&(Arg){.v = cmd2});
+	free(cmd2);
+
+cleanup:
+	free(env_keys);
+}
+
 void // 17
 run(char *startup_cmd) {
 
@@ -4782,6 +4823,8 @@ run(char *startup_cmd) {
 	wlr_cursor_set_xcursor(cursor, cursor_mgr, "left_ptr");
 	handlecursoractivity();
 
+	set_activation_env();
+
 	run_exec();
 	run_exec_once();
 
@@ -5278,6 +5321,7 @@ void setup(void) {
 
 	setenv("XCURSOR_SIZE", "24", 1);
 	setenv("XDG_CURRENT_DESKTOP", "mango", 1);
+
 	parse_config();
 	init_baked_points();