[Native File Dialogs] Refocus last focused window on close.

platform/linuxbsd/freedesktop_portal_desktop.cpp

@@ -266,7 +266,7 @@ bool FreeDesktopPortalDesktop::file_chooser_parse_response(DBusMessageIter *p_it
 	return true;
 }
 
-Error FreeDesktopPortalDesktop::file_dialog_show(const String &p_xid, const String &p_title, const String &p_current_directory, const String &p_filename, DisplayServer::FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback) {
+Error FreeDesktopPortalDesktop::file_dialog_show(DisplayServer::WindowID p_window_id, const String &p_xid, const String &p_title, const String &p_current_directory, const String &p_filename, DisplayServer::FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback) {
 	if (unsupported) {
 		return FAILED;
 	}
@@ -277,6 +277,7 @@ Error FreeDesktopPortalDesktop::file_dialog_show(const String &p_xid, const Stri
 	// Open connection and add signal handler.
 	FileDialogData fd;
 	fd.callback = p_callback;
+	fd.prev_focus = p_window_id;
 
 	CryptoCore::RandomGenerator rng;
 	ERR_FAIL_COND_V_MSG(rng.init(), FAILED, "Failed to initialize random number generator.");
@@ -416,6 +417,9 @@ void FreeDesktopPortalDesktop::_thread_file_dialog_monitor(void *p_ud) {
 										Variant *v_args[2] = { &v_status, &v_files };
 										fd.callback.call_deferredp((const Variant **)&v_args, 2);
 									}
+									if (fd.prev_focus != DisplayServer::INVALID_WINDOW_ID) {
+										callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(fd.prev_focus);
+									}
 								}
 								dbus_message_unref(msg);
 

platform/linuxbsd/freedesktop_portal_desktop.h

@@ -56,6 +56,7 @@ private:
 
 	struct FileDialogData {
 		DBusConnection *connection = nullptr;
+		DisplayServer::WindowID prev_focus = DisplayServer::INVALID_WINDOW_ID;
 		Callable callback;
 		String path;
 	};
@@ -73,7 +74,7 @@ public:
 
 	bool is_supported() { return !unsupported; }
 
-	Error file_dialog_show(const String &p_xid, const String &p_title, const String &p_current_directory, const String &p_filename, DisplayServer::FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback);
+	Error file_dialog_show(DisplayServer::WindowID p_window_id, const String &p_xid, const String &p_title, const String &p_current_directory, const String &p_filename, DisplayServer::FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback);
 
 	// Retrieve the system's preferred color scheme.
 	// 0: No preference or unknown.

platform/linuxbsd/x11/display_server_x11.cpp

@@ -364,14 +364,14 @@ bool DisplayServerX11::is_dark_mode() const {
 }
 
 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 window_id = _get_focused_window_or_popup();
+	WindowID window_id = last_focused_window;
 
 	if (!windows.has(window_id)) {
 		window_id = MAIN_WINDOW_ID;
 	}
 
 	String xid = vformat("x11:%x", (uint64_t)windows[window_id].x11_window);
-	return portal_desktop->file_dialog_show(xid, p_title, p_current_directory, p_filename, p_mode, p_filters, p_callback);
+	return portal_desktop->file_dialog_show(last_focused_window, xid, p_title, p_current_directory, p_filename, p_mode, p_filters, p_callback);
 }
 
 #endif

platform/macos/display_server_macos.mm

@@ -1885,6 +1885,8 @@ Error DisplayServerMacOS::file_dialog_show(const String &p_title, const String &
 		}
 	}
 
+	WindowID prev_focus = last_focused_window;
+
 	Callable callback = p_callback; // Make a copy for async completion handler.
 	switch (p_mode) {
 		case FILE_DIALOG_MODE_SAVE_FILE: {
@@ -1952,6 +1954,9 @@ Error DisplayServerMacOS::file_dialog_show(const String &p_title, const String &
 									  callback.callp((const Variant **)&v_args, 2, ret, ce);
 								  }
 							  }
+							  if (prev_focus != INVALID_WINDOW_ID) {
+								  callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(prev_focus);
+							  }
 						  }];
 		} break;
 		case FILE_DIALOG_MODE_OPEN_ANY:
@@ -2031,6 +2036,9 @@ Error DisplayServerMacOS::file_dialog_show(const String &p_title, const String &
 									  callback.callp((const Variant **)&v_args, 2, ret, ce);
 								  }
 							  }
+							  if (prev_focus != INVALID_WINDOW_ID) {
+								  callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(prev_focus);
+							  }
 						  }];
 		} break;
 	}

platform/windows/display_server_windows.cpp

@@ -239,6 +239,8 @@ Error DisplayServerWindows::file_dialog_show(const String &p_title, const String
 		filters.push_back({ (LPCWSTR)filter_names[i].ptr(), (LPCWSTR)filter_exts[i].ptr() });
 	}
 
+	WindowID prev_focus = last_focused_window;
+
 	HRESULT hr = S_OK;
 	IFileDialog *pfd = nullptr;
 	if (p_mode == FILE_DIALOG_MODE_SAVE_FILE) {
@@ -339,6 +341,9 @@ Error DisplayServerWindows::file_dialog_show(const String &p_title, const String
 			}
 		}
 		pfd->Release();
+		if (prev_focus != INVALID_WINDOW_ID) {
+			callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(prev_focus);
+		}
 
 		return OK;
 	} else {