[Linux/BSD] Initialize DBus only once.

platform/linuxbsd/freedesktop_at_spi_monitor.cpp

@@ -160,31 +160,6 @@ void FreeDesktopAtSPIMonitor::monitor_thread_func(void *p_userdata) {
 }
 
 FreeDesktopAtSPIMonitor::FreeDesktopAtSPIMonitor() {
-#ifdef SOWRAP_ENABLED
-#ifdef DEBUG_ENABLED
-	int dylibloader_verbose = 1;
-#else
-	int dylibloader_verbose = 0;
-#endif
-	if (initialize_dbus(dylibloader_verbose) != 0) {
-		print_verbose("AT-SPI2: Failed to load DBus library!");
-		supported.clear();
-		return;
-	}
-#endif
-	bool ver_ok = false;
-	int version_major = 0;
-	int version_minor = 0;
-	int version_rev = 0;
-	dbus_get_version(&version_major, &version_minor, &version_rev);
-	ver_ok = (version_major == 1 && version_minor >= 10) || (version_major > 1); // 1.10.0
-	print_verbose(vformat("AT-SPI2: DBus %d.%d.%d detected.", version_major, version_minor, version_rev));
-	if (!ver_ok) {
-		print_verbose("AT-SPI2: Unsupported DBus library version!");
-		supported.clear();
-		return;
-	}
-
 	supported.set();
 	sr_enabled.clear();
 	exit_thread.clear();

platform/linuxbsd/freedesktop_portal_desktop.cpp

@@ -965,33 +965,6 @@ void FreeDesktopPortalDesktop::_system_theme_changed_callback() {
 }
 
 FreeDesktopPortalDesktop::FreeDesktopPortalDesktop() {
-#ifdef SOWRAP_ENABLED
-#ifdef DEBUG_ENABLED
-	int dylibloader_verbose = 1;
-#else
-	int dylibloader_verbose = 0;
-#endif
-	unsupported = (initialize_dbus(dylibloader_verbose) != 0);
-#else
-	unsupported = false;
-#endif
-
-	if (unsupported) {
-		return;
-	}
-
-	bool ver_ok = false;
-	int version_major = 0;
-	int version_minor = 0;
-	int version_rev = 0;
-	dbus_get_version(&version_major, &version_minor, &version_rev);
-	ver_ok = (version_major == 1 && version_minor >= 10) || (version_major > 1); // 1.10.0
-	print_verbose(vformat("PortalDesktop: DBus %d.%d.%d detected.", version_major, version_minor, version_rev));
-	if (!ver_ok) {
-		print_verbose("PortalDesktop: Unsupported DBus library version!");
-		unsupported = true;
-	}
-
 	DBusError err;
 	dbus_error_init(&err);
 	monitor_connection = dbus_bus_get(DBUS_BUS_SESSION, &err);

platform/linuxbsd/freedesktop_screensaver.cpp

@@ -131,32 +131,6 @@ void FreeDesktopScreenSaver::uninhibit() {
 }
 
 FreeDesktopScreenSaver::FreeDesktopScreenSaver() {
-#ifdef SOWRAP_ENABLED
-#ifdef DEBUG_ENABLED
-	int dylibloader_verbose = 1;
-#else
-	int dylibloader_verbose = 0;
-#endif
-	unsupported = (initialize_dbus(dylibloader_verbose) != 0);
-#else
-	unsupported = false;
-#endif
-
-	if (unsupported) {
-		return;
-	}
-
-	bool ver_ok = false;
-	int version_major = 0;
-	int version_minor = 0;
-	int version_rev = 0;
-	dbus_get_version(&version_major, &version_minor, &version_rev);
-	ver_ok = (version_major == 1 && version_minor >= 10) || (version_major > 1); // 1.10.0
-	print_verbose(vformat("ScreenSaver: DBus %d.%d.%d detected.", version_major, version_minor, version_rev));
-	if (!ver_ok) {
-		print_verbose("ScreenSaver:: Unsupported DBus library version!");
-		unsupported = true;
-	}
 }
 
 #endif // DBUS_ENABLED

platform/linuxbsd/wayland/display_server_wayland.cpp

@@ -56,6 +56,14 @@
 #include "drivers/accesskit/accessibility_driver_accesskit.h"
 #endif
 
+#ifdef DBUS_ENABLED
+#ifdef SOWRAP_ENABLED
+#include "dbus-so_wrap.h"
+#else
+#include <dbus/dbus.h>
+#endif
+#endif
+
 #define WAYLAND_MAX_FRAME_TIME_US (1'000'000)
 
 String DisplayServerWayland::_get_app_id_from_context(Context p_context) {
@@ -311,14 +319,19 @@ bool DisplayServerWayland::is_dark_mode() const {
 }
 
 Color DisplayServerWayland::get_accent_color() const {
+	if (!portal_desktop) {
+		return Color();
+	}
 	return portal_desktop->get_appearance_accent_color();
 }
 
 void DisplayServerWayland::set_system_theme_change_callback(const Callable &p_callable) {
+	ERR_FAIL_COND(!portal_desktop);
 	portal_desktop->set_system_theme_change_callback(p_callable);
 }
 
 Error DisplayServerWayland::file_dialog_show(const String &p_title, const String &p_current_directory, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback, WindowID p_window_id) {
+	ERR_FAIL_COND_V(!portal_desktop, ERR_UNAVAILABLE);
 	MutexLock mutex_lock(wayland_thread.mutex);
 
 	WindowID window_id = p_window_id;
@@ -333,6 +346,7 @@ Error DisplayServerWayland::file_dialog_show(const String &p_title, const String
 }
 
 Error DisplayServerWayland::file_dialog_with_options_show(const String &p_title, const String &p_current_directory, const String &p_root, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const TypedArray<Dictionary> &p_options, const Callable &p_callback, WindowID p_window_id) {
+	ERR_FAIL_COND_V(!portal_desktop, ERR_UNAVAILABLE);
 	MutexLock mutex_lock(wayland_thread.mutex);
 
 	WindowID window_id = p_window_id;
@@ -1321,6 +1335,9 @@ void DisplayServerWayland::window_set_ime_position(const Point2i &p_pos, Display
 
 int DisplayServerWayland::accessibility_should_increase_contrast() const {
 #ifdef DBUS_ENABLED
+	if (!portal_desktop) {
+		return -1;
+	}
 	return portal_desktop->get_high_contrast();
 #endif
 	return -1;
@@ -1328,7 +1345,7 @@ int DisplayServerWayland::accessibility_should_increase_contrast() const {
 
 int DisplayServerWayland::accessibility_screen_reader_active() const {
 #ifdef DBUS_ENABLED
-	if (atspi_monitor->is_supported()) {
+	if (atspi_monitor && atspi_monitor->is_supported()) {
 		return atspi_monitor->is_active();
 	}
 #endif
@@ -1544,6 +1561,10 @@ Key DisplayServerWayland::keyboard_get_keycode_from_physical(Key p_keycode) cons
 
 bool DisplayServerWayland::color_picker(const Callable &p_callback) {
 #ifdef DBUS_ENABLED
+	if (!portal_desktop) {
+		return false;
+	}
+	MutexLock mutex_lock(wayland_thread.mutex);
 	WindowID window_id = MAIN_WINDOW_ID;
 	// TODO: Use window IDs for multiwindow support.
 	WaylandThread::WindowState *ws = wayland_thread.wl_surface_get_window_state(wayland_thread.window_get_wl_surface(window_id));
@@ -2112,9 +2133,31 @@ DisplayServerWayland::DisplayServerWayland(const String &p_rendering_driver, Win
 #endif // RD_ENABLED
 
 #ifdef DBUS_ENABLED
-	portal_desktop = memnew(FreeDesktopPortalDesktop);
-	atspi_monitor = memnew(FreeDesktopAtSPIMonitor);
-	screensaver = memnew(FreeDesktopScreenSaver);
+	bool dbus_ok = true;
+#ifdef SOWRAP_ENABLED
+	if (initialize_dbus(dylibloader_verbose) != 0) {
+		print_verbose("Failed to load DBus library!");
+		dbus_ok = false;
+	}
+#endif
+	if (dbus_ok) {
+		bool ver_ok = false;
+		int version_major = 0;
+		int version_minor = 0;
+		int version_rev = 0;
+		dbus_get_version(&version_major, &version_minor, &version_rev);
+		ver_ok = (version_major == 1 && version_minor >= 10) || (version_major > 1); // 1.10.0
+		print_verbose(vformat("DBus %d.%d.%d detected.", version_major, version_minor, version_rev));
+		if (!ver_ok) {
+			print_verbose("Unsupported DBus library version!");
+			dbus_ok = false;
+		}
+	}
+	if (dbus_ok) {
+		screensaver = memnew(FreeDesktopScreenSaver);
+		portal_desktop = memnew(FreeDesktopPortalDesktop);
+		atspi_monitor = memnew(FreeDesktopAtSPIMonitor);
+	}
 #endif // DBUS_ENABLED
 
 	screen_set_keep_on(GLOBAL_GET("display/window/energy_saving/keep_screen_on"));
@@ -2178,9 +2221,13 @@ DisplayServerWayland::~DisplayServerWayland() {
 #ifdef DBUS_ENABLED
 	if (portal_desktop) {
 		memdelete(portal_desktop);
-		memdelete(atspi_monitor);
+	}
+	if (screensaver) {
 		memdelete(screensaver);
 	}
+	if (atspi_monitor) {
+		memdelete(atspi_monitor);
+	}
 #endif
 }
 

platform/linuxbsd/x11/display_server_x11.cpp

@@ -57,6 +57,14 @@
 #include "drivers/accesskit/accessibility_driver_accesskit.h"
 #endif
 
+#ifdef DBUS_ENABLED
+#ifdef SOWRAP_ENABLED
+#include "dbus-so_wrap.h"
+#else
+#include <dbus/dbus.h>
+#endif
+#endif
+
 #include <dlfcn.h>
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -438,14 +446,19 @@ bool DisplayServerX11::is_dark_mode() const {
 }
 
 Color DisplayServerX11::get_accent_color() const {
+	if (!portal_desktop) {
+		return Color();
+	}
 	return portal_desktop->get_appearance_accent_color();
 }
 
 void DisplayServerX11::set_system_theme_change_callback(const Callable &p_callable) {
+	ERR_FAIL_COND(!portal_desktop);
 	portal_desktop->set_system_theme_change_callback(p_callable);
 }
 
 Error DisplayServerX11::file_dialog_show(const String &p_title, const String &p_current_directory, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback, WindowID p_window_id) {
+	ERR_FAIL_COND_V(!portal_desktop, ERR_UNAVAILABLE);
 	WindowID window_id = p_window_id;
 
 	if (!windows.has(window_id) || windows[window_id].is_popup) {
@@ -457,6 +470,7 @@ Error DisplayServerX11::file_dialog_show(const String &p_title, const String &p_
 }
 
 Error DisplayServerX11::file_dialog_with_options_show(const String &p_title, const String &p_current_directory, const String &p_root, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const TypedArray<Dictionary> &p_options, const Callable &p_callback, WindowID p_window_id) {
+	ERR_FAIL_COND_V(!portal_desktop, ERR_UNAVAILABLE);
 	WindowID window_id = p_window_id;
 
 	if (!windows.has(window_id) || windows[window_id].is_popup) {
@@ -1845,13 +1859,15 @@ void DisplayServerX11::screen_set_keep_on(bool p_enable) {
 		return;
 	}
 
-	if (p_enable) {
-		screensaver->inhibit();
-	} else {
-		screensaver->uninhibit();
-	}
+	if (screensaver) {
+		if (p_enable) {
+			screensaver->inhibit();
+		} else {
+			screensaver->uninhibit();
+		}
 
-	keep_screen_on = p_enable;
+		keep_screen_on = p_enable;
+	}
 }
 
 bool DisplayServerX11::screen_is_kept_on() const {
@@ -3420,6 +3436,9 @@ void DisplayServerX11::window_set_ime_position(const Point2i &p_pos, WindowID p_
 
 int DisplayServerX11::accessibility_should_increase_contrast() const {
 #ifdef DBUS_ENABLED
+	if (!portal_desktop) {
+		return -1;
+	}
 	return portal_desktop->get_high_contrast();
 #endif
 	return -1;
@@ -3427,7 +3446,7 @@ int DisplayServerX11::accessibility_should_increase_contrast() const {
 
 int DisplayServerX11::accessibility_screen_reader_active() const {
 #ifdef DBUS_ENABLED
-	if (atspi_monitor->is_supported()) {
+	if (atspi_monitor && atspi_monitor->is_supported()) {
 		return atspi_monitor->is_active();
 	}
 #endif
@@ -3692,6 +3711,9 @@ Key DisplayServerX11::keyboard_get_label_from_physical(Key p_keycode) const {
 
 bool DisplayServerX11::color_picker(const Callable &p_callback) {
 #ifdef DBUS_ENABLED
+	if (!portal_desktop) {
+		return false;
+	}
 	WindowID window_id = last_focused_window;
 
 	if (!windows.has(window_id)) {
@@ -7347,12 +7369,35 @@ DisplayServerX11::DisplayServerX11(const String &p_rendering_driver, WindowMode
 	_update_real_mouse_position(windows[MAIN_WINDOW_ID]);
 
 #ifdef DBUS_ENABLED
-	screensaver = memnew(FreeDesktopScreenSaver);
+	bool dbus_ok = true;
+#ifdef SOWRAP_ENABLED
+	if (initialize_dbus(dylibloader_verbose) != 0) {
+		print_verbose("Failed to load DBus library!");
+		dbus_ok = false;
+	}
+#endif
+	if (dbus_ok) {
+		bool ver_ok = false;
+		int version_major = 0;
+		int version_minor = 0;
+		int version_rev = 0;
+		dbus_get_version(&version_major, &version_minor, &version_rev);
+		ver_ok = (version_major == 1 && version_minor >= 10) || (version_major > 1); // 1.10.0
+		print_verbose(vformat("DBus %d.%d.%d detected.", version_major, version_minor, version_rev));
+		if (!ver_ok) {
+			print_verbose("Unsupported DBus library version!");
+			dbus_ok = false;
+		}
+	}
+	if (dbus_ok) {
+		screensaver = memnew(FreeDesktopScreenSaver);
+		portal_desktop = memnew(FreeDesktopPortalDesktop);
+		atspi_monitor = memnew(FreeDesktopAtSPIMonitor);
+	}
+#endif // DBUS_ENABLED
+
 	screen_set_keep_on(GLOBAL_GET("display/window/energy_saving/keep_screen_on"));
 
-	portal_desktop = memnew(FreeDesktopPortalDesktop);
-	atspi_monitor = memnew(FreeDesktopAtSPIMonitor);
-#endif // DBUS_ENABLED
 	XSetErrorHandler(&default_window_error_handler);
 
 	r_error = OK;
@@ -7484,9 +7529,15 @@ DisplayServerX11::~DisplayServerX11() {
 #endif
 
 #ifdef DBUS_ENABLED
-	memdelete(screensaver);
-	memdelete(portal_desktop);
-	memdelete(atspi_monitor);
+	if (screensaver) {
+		memdelete(screensaver);
+	}
+	if (portal_desktop) {
+		memdelete(portal_desktop);
+	}
+	if (atspi_monitor) {
+		memdelete(atspi_monitor);
+	}
 #endif
 }