8c727d1a9a
Kit explicitly ignores changes to the global color scheme, except for the current ViewShell, so an attempted change to the same global color scheme when the now current ViewShell ignored the last change requires re-sending the change. In which case individual shells will have to decide if this color-scheme change is a change from their perspective to avoid unnecessary invalidations. Add ConfigurationHints::OnlyCurrentDocumentColorScheme as the hint that only the document color scheme has changed, so individual shells can see if their document color scheme is different to this new color scheme and not invalidate if unnecessary. So dark/light mode changes work properly without reintroducing unwanted invalidations. Change-Id: I5ebb4878694ceb6b9afe26286a30da06ea6ff3ef Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160002 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
115 lines
4.3 KiB
C++
115 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_UNOTOOLS_OPTIONS_HXX
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#define INCLUDED_UNOTOOLS_OPTIONS_HXX
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#include <sal/config.h>
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#include <unotools/unotoolsdllapi.h>
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#include <o3tl/typed_flags_set.hxx>
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#include <vector>
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#include <memory>
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// bits for broadcasting hints of changes in ConfigurationListener::ConfigurationChanged, may be combined
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enum class ConfigurationHints {
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NONE = 0x0000,
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Locale = 0x0001,
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Currency = 0x0002,
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UiLocale = 0x0004,
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DecSep = 0x0008,
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DatePatterns = 0x0010,
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IgnoreLang = 0x0020,
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OnlyCurrentDocumentColorScheme = 0x0040,
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CtlSettingsChanged = 0x2000,
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};
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namespace o3tl {
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template<> struct typed_flags<ConfigurationHints> : is_typed_flags<ConfigurationHints, 0x207f> {};
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}
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/*
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The class utl::detail::Options provides a kind of multiplexer. It implements a ConfigurationListener
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that is usually registered at a ConfigItem class. At the same time it implements a ConfigurationBroadcaster
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that allows further ("external") listeners to register.
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Once the class deriving from Options is notified about
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configuration changes by the ConfigItem if its content has been changed by calling some of its methods,
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a call of the Options::NotifyListeners() method will send out notifications to all external listeners.
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*/
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namespace utl {
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class ConfigurationBroadcaster;
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// interface for configuration listener
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class UNOTOOLS_DLLPUBLIC ConfigurationListener
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{
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public:
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virtual ~ConfigurationListener();
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virtual void ConfigurationChanged( ConfigurationBroadcaster* p, ConfigurationHints nHint ) = 0;
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};
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typedef ::std::vector< ConfigurationListener* > IMPL_ConfigurationListenerList;
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// complete broadcasting implementation
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class UNOTOOLS_DLLPUBLIC ConfigurationBroadcaster
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{
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std::unique_ptr<IMPL_ConfigurationListenerList> mpList;
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sal_Int32 m_nBroadcastBlocked; // broadcast only if this is 0
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ConfigurationHints m_nBlockedHint;
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public:
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void AddListener( utl::ConfigurationListener* pListener );
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void RemoveListener( utl::ConfigurationListener const * pListener );
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// notify listeners; nHint is an implementation detail of the particular class deriving from ConfigurationBroadcaster
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void NotifyListeners( ConfigurationHints nHint );
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ConfigurationBroadcaster();
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ConfigurationBroadcaster(ConfigurationBroadcaster const & );
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virtual ~ConfigurationBroadcaster();
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ConfigurationBroadcaster & operator =(ConfigurationBroadcaster const & other);
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virtual void BlockBroadcasts( bool bBlock );
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};
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namespace detail {
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// A base class for the various option classes supported by
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// unotools/source/config/itemholderbase.hxx (which must be public, as it is
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// shared between unotools, svl and svt)
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// It also provides an implementation for a Configuration Listener and inherits a broadcaster implementation
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class SAL_WARN_UNUSED UNOTOOLS_DLLPUBLIC Options
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: public utl::ConfigurationBroadcaster, public utl::ConfigurationListener
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{
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public:
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Options();
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virtual ~Options() override = 0;
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private:
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Options(Options const &) = delete;
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Options& operator =(Options const &) = delete;
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protected:
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virtual void ConfigurationChanged( ::utl::ConfigurationBroadcaster* p, ConfigurationHints nHint ) override;
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};
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} }
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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