diff options
Diffstat (limited to '')
-rw-r--r-- | vcl/inc/IconThemeSelector.hxx | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/vcl/inc/IconThemeSelector.hxx b/vcl/inc/IconThemeSelector.hxx new file mode 100644 index 000000000..8dab03d3a --- /dev/null +++ b/vcl/inc/IconThemeSelector.hxx @@ -0,0 +1,98 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDED_VCL_ICONTHEMESELECTOR_HXX +#define INCLUDED_VCL_ICONTHEMESELECTOR_HXX + +#include <rtl/ustring.hxx> + +#include <vcl/dllapi.h> + +#include <vector> + +// forward declaration of unit test class. Required for friend relationship. +class IconThemeSelectorTest; + +namespace vcl { +class IconThemeInfo; + +/** This class helps to choose an icon theme from a list of installed themes. + * + * The following factors influence the selection: + * -# When high contrast mode is enabled, the high contrast icon theme is selected (if it is installed). + * -# When a preferred theme has been set (e.g., in the gnome desktop settings), that theme is selected. + */ +class VCL_DLLPUBLIC IconThemeSelector { +public: + IconThemeSelector(); + + /** Select an icon theme from the list of installed themes. + * + * If high contrast mode has been enabled, the highcontrast theme will be selected (if it is available). + * + * @pre + * @p installedThemes must not be empty + */ + OUString + SelectIconTheme( + const std::vector<IconThemeInfo>& installedThemes, + const OUString& theme + ) const; + + /** Select the standard icon theme for a desktop environment from a list of installed themes. + * + * If a preferred theme has been set, this one will take precedence. + * + * The same logic as in SelectIconTheme() will apply. + * + * @pre + * @p installedThemes must not be empty + */ + OUString + SelectIconThemeForDesktopEnvironment( + const std::vector<IconThemeInfo>& installedThemes, + const OUString& desktopEnvironment) const; + + void + SetUseHighContrastTheme(bool); + + /** Returns true if the PreferredIconTheme was changed */ + bool + SetPreferredIconTheme(const OUString&, bool bDarkIconTheme); + + bool + operator==(const vcl::IconThemeSelector&) const; + + bool + operator!=(const vcl::IconThemeSelector&) const; + +private: + /** Return the first element of the themes, or the fallback if the vector is empty */ + static OUString + ReturnFallback(const std::vector<IconThemeInfo>& installedThemes); + + /** The name of the icon theme which is used as fallback */ + static constexpr OUStringLiteral FALLBACK_ICON_THEME_ID = u"colibre"; + + + static OUString + GetIconThemeForDesktopEnvironment(const OUString& desktopEnvironment); + + OUString mPreferredIconTheme; + bool mUseHighContrastTheme; + bool mPreferDarkIconTheme; + + friend class ::IconThemeSelectorTest; +}; + +} /* namespace vcl */ + +#endif // INCLUDED_VCL_ICONTHEMESELECTOR_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |