qt: save gui settings to separate file (#2984)

* initial save classes for gui save file

* fixup

* some more settings passed to the new saving file

* even more variables parsing

* more settings

* fixup

* more settings

* more settings

* clang fix

* fixed wrong setting

* more setting

* more setting

* added ca_ES

* rename to general_settings

* added set-addon-folder in main

* fixup

* fixup2

* added sr_CS

* Update CMakeLists.txt

---------

Co-authored-by: kalaposfos13 <153381648+kalaposfos13@users.noreply.github.com>

src/qt_gui/gui_settings.h

@@ -0,0 +1,46 @@
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QWindow>
+#include "settings.h"
+
+namespace gui {
+// categories
+const QString general_settings = "general_settings";
+const QString main_window = "main_window";
+const QString game_list = "game_list";
+const QString game_grid = "game_grid";
+
+// general
+const gui_value gen_checkForUpdates = gui_value(general_settings, "checkForUpdates", false);
+const gui_value gen_showChangeLog = gui_value(general_settings, "showChangeLog", false);
+const gui_value gen_updateChannel = gui_value(general_settings, "updateChannel", "Release");
+
+// main window settings
+const gui_value mw_geometry = gui_value(main_window, "geometry", QByteArray());
+const gui_value mw_showLabelsUnderIcons = gui_value(main_window, "showLabelsUnderIcons", true);
+
+// game list settings
+const gui_value gl_mode = gui_value(game_list, "tableMode", 0);
+const gui_value gl_icon_size = gui_value(game_list, "icon_size", 36);
+const gui_value gl_slider_pos = gui_value(game_list, "slider_pos", 0);
+const gui_value gl_showBackgroundImage = gui_value(game_list, "showBackgroundImage", true);
+const gui_value gl_backgroundImageOpacity = gui_value(game_list, "backgroundImageOpacity", 50);
+const gui_value gl_playBackgroundMusic = gui_value(game_list, "playBackgroundMusic", true);
+const gui_value gl_backgroundMusicVolume = gui_value(game_list, "backgroundMusicVolume", 50);
+
+// game grid settings
+const gui_value gg_icon_size = gui_value(game_grid, "icon_size", 69);
+const gui_value gg_slider_pos = gui_value(game_grid, "slider_pos", 0);
+
+} // namespace gui
+
+class gui_settings : public settings {
+    Q_OBJECT
+
+public:
+    explicit gui_settings(QObject* parent = nullptr);
+    ~gui_settings() override = default;
+};