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/***************************************************************************
* Copyright (C) 2015 The Qt Company Ltd. *
* Copyright (C) 2016-2025 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 "qt6gtk2theme.h"
#include "qt6gtk2dialoghelpers.h"
#include <QVariant>
#undef signals
#include <gtk/gtk.h>
#include <X11/Xlib.h>
QT_BEGIN_NAMESPACE
static QVariant gtkSetting(const gchar *propertyName)
{
GtkSettings *settings = gtk_settings_get_default();
GValue value = G_VALUE_INIT;
QVariant ret;
g_object_get_property(G_OBJECT(settings), propertyName, &value);
if (G_VALUE_HOLDS_INT(&value)) {
ret = QVariant(g_value_get_int(&value));
} else if (G_VALUE_HOLDS_UINT(&value)) {
ret = QVariant(g_value_get_uint(&value));
} else if (G_VALUE_HOLDS_FLOAT(&value)) {
ret = QVariant(g_value_get_float(&value));
} else if (G_VALUE_HOLDS_STRING(&value)) {
ret = QVariant(QString::fromUtf8(g_value_get_string(&value)));
} else if (G_VALUE_HOLDS_BOOLEAN(&value)) {
ret = QVariant(g_value_get_boolean(&value));
} else {
ret = QVariant();
}
g_value_unset(&value);
return ret;
}
Qt6Gtk2Theme::Qt6Gtk2Theme()
{
// 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(nullptr);
gtk_init(nullptr, nullptr);
XSetErrorHandler(oldErrorHandler);
}
QVariant Qt6Gtk2Theme::themeHint(QPlatformTheme::ThemeHint hint) const
{
switch (hint) {
case QPlatformTheme::CursorFlashTime:
// As close to GTK as possible.
if (gtkSetting("gtk-cursor-blink").toBool() && gtkSetting("gtk-cursor-blink-timeout").toInt() != 0) {
return gtkSetting("gtk-cursor-blink-time");
} else {
return QVariant((int) 0);
}
case QPlatformTheme::PasswordMaskDelay:
return gtkSetting("gtk-entry-password-hint-timeout");
case QPlatformTheme::DialogButtonBoxButtonsHaveIcons:
return gtkSetting("gtk-button-images");
case QPlatformTheme::ShowShortcutsInContextMenus:
return gtkSetting("gtk-enable-accels");
case QPlatformTheme::SystemIconThemeName:
return gtkSetting("gtk-icon-theme-name");
case QPlatformTheme::SystemIconFallbackThemeName:
return gtkSetting("gtk-fallback-icon-theme");
case QPlatformTheme::StyleNames:
{
QStringList styleNames = { QStringLiteral("qt6gtk2") };
//styleNames << QGnomeTheme::themeHint(hint).toStringList();
return styleNames;
}
default:
return QGnomeTheme::themeHint(hint);
}
}
QString Qt6Gtk2Theme::gtkFontName() const
{
QString cfgFontName = gtkSetting("gtk-font-name").toString();
if (!cfgFontName.isEmpty())
return cfgFontName;
return QGnomeTheme::gtkFontName();
}
bool Qt6Gtk2Theme::usePlatformNativeDialog(DialogType type) const
{
switch (type) {
case ColorDialog:
return true;
case FileDialog:
return true;
case FontDialog:
return true;
default:
return false;
}
}
QPlatformDialogHelper *Qt6Gtk2Theme::createPlatformDialogHelper(DialogType type) const
{
switch (type) {
case ColorDialog:
return new Qt6Gtk2ColorDialogHelper;
case FileDialog:
return new Qt6Gtk2FileDialogHelper;
case FontDialog:
return new Qt6Gtk2FontDialogHelper;
default:
return nullptr;
}
}
QT_END_NAMESPACE
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