1 files changed, 114 insertions, 0 deletions
diff --git a/src/qt5gtk2-qtplugin/qt5gtk2theme.cpp b/src/qt5gtk2-qtplugin/qt5gtk2theme.cpp
new file mode 100644
index 0000000..a99d108
--- /dev/null
+++ b/src/qt5gtk2-qtplugin/qt5gtk2theme.cpp
@@ -0,0 +1,114 @@
+/***************************************************************************
+ *   Copyright (C) 2015 The Qt Company Ltd.                                *
+ *   Copyright (C) 2016-2022 Ilya Kotov, forkotov02@ya.ru                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include "qt5gtk2theme.h"
+#include "qt5gtk2dialoghelpers.h"
+#include <QVariant>
+
+#undef signals
+#include <gtk/gtk.h>
+
+#include <X11/Xlib.h>
+
+QT_BEGIN_NAMESPACE
+
+const char *Qt5Gtk2Theme::name = "qt5gtk2";
+
+static QString gtkSetting(const gchar *propertyName)
+{
+    GtkSettings *settings = gtk_settings_get_default();
+    gchararray value;
+    g_object_get(settings, propertyName, &value, NULL);
+    QString str = QString::fromUtf8(value);
+    g_free(value);
+    return str;
+}
+
+Qt5Gtk2Theme::Qt5Gtk2Theme()
+{
+    // gtk_init will reset the Xlib error handler, and that causes
+    // Qt applications to quit on X errors. Therefore, we need to manually restore it.
+    int (*oldErrorHandler)(Display *, XErrorEvent *) = XSetErrorHandler(NULL);
+
+    gtk_init(0, 0);
+
+    XSetErrorHandler(oldErrorHandler);
+}
+
+QVariant Qt5Gtk2Theme::themeHint(QPlatformTheme::ThemeHint hint) const
+{
+    switch (hint) {
+    case QPlatformTheme::SystemIconThemeName:
+        return QVariant(gtkSetting("gtk-icon-theme-name"));
+    case QPlatformTheme::SystemIconFallbackThemeName:
+        return QVariant(gtkSetting("gtk-fallback-icon-theme"));
+    case QPlatformTheme::StyleNames:
+    {
+        QStringList styleNames;
+        styleNames << "qt5gtk2";
+        //styleNames << QGnomeTheme::themeHint(hint).toStringList();
+        return styleNames;
+    }
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
+    case QPlatformTheme::ShowShortcutsInContextMenus:
+        return true;
+#endif
+    default:
+        return QGnomeTheme::themeHint(hint);
+    }
+}
+
+QString Qt5Gtk2Theme::gtkFontName() const
+{
+    QString cfgFontName = gtkSetting("gtk-font-name");
+    if (!cfgFontName.isEmpty())
+        return cfgFontName;
+    return QGnomeTheme::gtkFontName();
+}
+
+bool Qt5Gtk2Theme::usePlatformNativeDialog(DialogType type) const
+{
+    switch (type) {
+    case ColorDialog:
+        return true;
+    case FileDialog:
+        return true;
+    case FontDialog:
+        return true;
+    default:
+        return false;
+    }
+}
+
+QPlatformDialogHelper *Qt5Gtk2Theme::createPlatformDialogHelper(DialogType type) const
+{
+    switch (type) {
+    case ColorDialog:
+        return new Qt5Gtk2ColorDialogHelper;
+    case FileDialog:
+        return new Qt5Gtk2FileDialogHelper;
+    case FontDialog:
+        return new Qt5Gtk2FontDialogHelper;
+    default:
+        return 0;
+    }
+}
+
+QT_END_NAMESPACE