[DisplayServer] Add error messages and descriptions to callbacks.

3 files changed, 22 insertions, 3 deletions

diff --git a/platform/linuxbsd/freedesktop_portal_desktop.cpp b/platform/linuxbsd/freedesktop_portal_desktop.cpp
index e65404a531..464c0e4286 100644
--- a/platform/linuxbsd/freedesktop_portal_desktop.cpp
+++ b/platform/linuxbsd/freedesktop_portal_desktop.cpp
@@ -597,7 +597,12 @@ void FreeDesktopPortalDesktop::_thread_monitor(void *p_ud) {
 
 void FreeDesktopPortalDesktop::_system_theme_changed_callback() {
 	if (system_theme_changed.is_valid()) {
-		system_theme_changed.call();
+		Variant ret;
+		Callable::CallError ce;
+		system_theme_changed.callp(nullptr, 0, ret, ce);
+		if (ce.error != Callable::CallError::CALL_OK) {
+			ERR_PRINT(vformat("Failed to execute system theme changed callback: %s.", Variant::get_callable_error_text(system_theme_changed, nullptr, 0, ce)));
+		}
 	}
 }
 
diff --git a/platform/linuxbsd/wayland/display_server_wayland.cpp b/platform/linuxbsd/wayland/display_server_wayland.cpp
index ce8a53a856..5e34fc3b93 100644
--- a/platform/linuxbsd/wayland/display_server_wayland.cpp
+++ b/platform/linuxbsd/wayland/display_server_wayland.cpp
@@ -1137,7 +1137,14 @@ void DisplayServerWayland::process_events() {
 			WindowData wd = main_window;
 
 			if (wd.drop_files_callback.is_valid()) {
-				wd.drop_files_callback.call(dropfiles_msg->files);
+				Variant v_files = dropfiles_msg->files;
+				const Variant *v_args[1] = { &v_files };
+				Variant ret;
+				Callable::CallError ce;
+				wd.drop_files_callback.callp((const Variant **)&v_args, 1, ret, ce);
+				if (ce.error != Callable::CallError::CALL_OK) {
+					ERR_PRINT(vformat("Failed to execute drop files callback: %s.", Variant::get_callable_error_text(wd.drop_files_callback, v_args, 1, ce)));
+				}
 			}
 		}
 	}
diff --git a/platform/linuxbsd/x11/display_server_x11.cpp b/platform/linuxbsd/x11/display_server_x11.cpp
index 2c07acf94f..26655492e5 100644
--- a/platform/linuxbsd/x11/display_server_x11.cpp
+++ b/platform/linuxbsd/x11/display_server_x11.cpp
@@ -5008,7 +5008,14 @@ void DisplayServerX11::process_events() {
 					}
 
 					if (windows[window_id].drop_files_callback.is_valid()) {
-						windows[window_id].drop_files_callback.call(files);
+						Variant v_files = files;
+						const Variant *v_args[1] = { &v_files };
+						Variant ret;
+						Callable::CallError ce;
+						windows[window_id].drop_files_callback.callp((const Variant **)&v_args, 1, ret, ce);
+						if (ce.error != Callable::CallError::CALL_OK) {
+							ERR_PRINT(vformat("Failed to execute drop files callback: %s.", Variant::get_callable_error_text(windows[window_id].drop_files_callback, v_args, 1, ce)));
+						}
 					}
 
 					//Reply that all is well.