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diff --git a/vcl/source/window/settings.cxx b/vcl/source/window/settings.cxx
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+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <i18nlangtag/languagetag.hxx>
+#include <i18nlangtag/mslangid.hxx>
+
+#include <vcl/event.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/window.hxx>
+#include <vcl/settings.hxx>
+
+#include <unotools/configmgr.hxx>
+#include <unotools/confignode.hxx>
+
+#include <comphelper/processfactory.hxx>
+
+#include <salframe.hxx>
+#include <brdwin.hxx>
+
+#include <window.h>
+
+namespace vcl {
+
+void WindowOutputDevice::SetSettings( const AllSettings& rSettings )
+{
+ SetSettings( rSettings, false );
+}
+
+void WindowOutputDevice::SetSettings( const AllSettings& rSettings, bool bChild )
+{
+
+ if ( auto pBorderWindow = mxOwnerWindow->mpWindowImpl->mpBorderWindow.get() )
+ {
+ static_cast<vcl::WindowOutputDevice*>(pBorderWindow->GetOutDev())->SetSettings( rSettings, false );
+ if ( (pBorderWindow->GetType() == WindowType::BORDERWINDOW) &&
+ static_cast<ImplBorderWindow*>(pBorderWindow)->mpMenuBarWindow )
+ static_cast<vcl::WindowOutputDevice*>(static_cast<ImplBorderWindow*>(pBorderWindow)->mpMenuBarWindow->GetOutDev())->SetSettings( rSettings, true );
+ }
+
+ AllSettings aOldSettings(*mxSettings);
+ OutputDevice::SetSettings( rSettings );
+ AllSettingsFlags nChangeFlags = aOldSettings.GetChangeFlags( rSettings );
+
+ // recalculate AppFont-resolution and DPI-resolution
+ mxOwnerWindow->ImplInitResolutionSettings();
+
+ if ( bool(nChangeFlags) )
+ {
+ DataChangedEvent aDCEvt( DataChangedEventType::SETTINGS, &aOldSettings, nChangeFlags );
+ mxOwnerWindow->DataChanged( aDCEvt );
+ }
+
+ if ( bChild )
+ {
+ vcl::Window* pChild = mxOwnerWindow->mpWindowImpl->mpFirstChild;
+ while ( pChild )
+ {
+ static_cast<vcl::WindowOutputDevice*>(pChild->GetOutDev())->SetSettings( rSettings, bChild );
+ pChild = pChild->mpWindowImpl->mpNext;
+ }
+ }
+}
+
+void Window::UpdateSettings( const AllSettings& rSettings, bool bChild )
+{
+
+ if ( mpWindowImpl->mpBorderWindow )
+ {
+ mpWindowImpl->mpBorderWindow->UpdateSettings( rSettings );
+ if ( (mpWindowImpl->mpBorderWindow->GetType() == WindowType::BORDERWINDOW) &&
+ static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow )
+ static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow->UpdateSettings( rSettings, true );
+ }
+
+ AllSettings aOldSettings(*mpWindowImpl->mxOutDev->mxSettings);
+ AllSettingsFlags nChangeFlags = mpWindowImpl->mxOutDev->mxSettings->Update( AllSettings::GetWindowUpdate(), rSettings );
+
+ // recalculate AppFont-resolution and DPI-resolution
+ ImplInitResolutionSettings();
+
+ /* #i73785#
+ * do not overwrite a WheelBehavior with false
+ * this looks kind of a hack, but WheelBehavior
+ * is always a local change, not a system property,
+ * so we can spare all our users the hassle of reacting on
+ * this in their respective DataChanged.
+ */
+ MouseSettings aSet( mpWindowImpl->mxOutDev->mxSettings->GetMouseSettings() );
+ aSet.SetWheelBehavior( aOldSettings.GetMouseSettings().GetWheelBehavior() );
+ mpWindowImpl->mxOutDev->mxSettings->SetMouseSettings( aSet );
+
+ if( (nChangeFlags & AllSettingsFlags::STYLE) && IsBackground() )
+ {
+ Wallpaper aWallpaper = GetBackground();
+ if( !aWallpaper.IsBitmap() && !aWallpaper.IsGradient() )
+ {
+ if ( mpWindowImpl->mnStyle & WB_3DLOOK )
+ {
+ if (aOldSettings.GetStyleSettings().GetFaceColor() != rSettings.GetStyleSettings().GetFaceColor())
+ SetBackground( Wallpaper( rSettings.GetStyleSettings().GetFaceColor() ) );
+ }
+ else
+ {
+ if (aOldSettings.GetStyleSettings().GetWindowColor() != rSettings.GetStyleSettings().GetWindowColor())
+ SetBackground( Wallpaper( rSettings.GetStyleSettings().GetWindowColor() ) );
+ }
+ }
+ }
+
+ if ( bool(nChangeFlags) )
+ {
+ DataChangedEvent aDCEvt( DataChangedEventType::SETTINGS, &aOldSettings, nChangeFlags );
+ DataChanged( aDCEvt );
+ // notify data change handler
+ CallEventListeners( VclEventId::WindowDataChanged, &aDCEvt);
+ }
+
+ if ( bChild )
+ {
+ vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+ while ( pChild )
+ {
+ pChild->UpdateSettings( rSettings, bChild );
+ pChild = pChild->mpWindowImpl->mpNext;
+ }
+ }
+}
+
+void Window::ImplUpdateGlobalSettings( AllSettings& rSettings, bool bCallHdl ) const
+{
+ StyleSettings aTmpSt( rSettings.GetStyleSettings() );
+ aTmpSt.SetHighContrastMode( false );
+ rSettings.SetStyleSettings( aTmpSt );
+ ImplGetFrame()->UpdateSettings( rSettings );
+
+ StyleSettings aStyleSettings = rSettings.GetStyleSettings();
+
+ vcl::Font aFont = aStyleSettings.GetMenuFont();
+ int defFontheight = aFont.GetFontHeight();
+
+ // if the UI is korean, chinese or another locale
+ // where the system font size is known to be often too small to
+ // generate readable fonts enforce a minimum font size of 9 points
+ bool bBrokenLangFontHeight = MsLangId::isCJK(Application::GetSettings().GetUILanguageTag().getLanguageType());
+ if (bBrokenLangFontHeight)
+ defFontheight = std::max(9, defFontheight);
+
+ // i22098, toolfont will be scaled differently to avoid bloated rulers and status bars for big fonts
+ int toolfontheight = defFontheight;
+ if( toolfontheight > 9 )
+ toolfontheight = (defFontheight+8) / 2;
+
+ aFont = aStyleSettings.GetAppFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetAppFont( aFont );
+ aFont = aStyleSettings.GetTitleFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetTitleFont( aFont );
+ aFont = aStyleSettings.GetFloatTitleFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetFloatTitleFont( aFont );
+ // keep menu and help font size from system unless in broken locale size
+ if( bBrokenLangFontHeight )
+ {
+ aFont = aStyleSettings.GetMenuFont();
+ if( aFont.GetFontHeight() < defFontheight )
+ {
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetMenuFont( aFont );
+ }
+ aFont = aStyleSettings.GetHelpFont();
+ if( aFont.GetFontHeight() < defFontheight )
+ {
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetHelpFont( aFont );
+ }
+ }
+
+ // use different height for toolfont
+ aFont = aStyleSettings.GetToolFont();
+ aFont.SetFontHeight( toolfontheight );
+ aStyleSettings.SetToolFont( aFont );
+
+ aFont = aStyleSettings.GetLabelFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetLabelFont( aFont );
+ aFont = aStyleSettings.GetRadioCheckFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetRadioCheckFont( aFont );
+ aFont = aStyleSettings.GetPushButtonFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetPushButtonFont( aFont );
+ aFont = aStyleSettings.GetFieldFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetFieldFont( aFont );
+ aFont = aStyleSettings.GetIconFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetIconFont( aFont );
+ aFont = aStyleSettings.GetTabFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetTabFont( aFont );
+ aFont = aStyleSettings.GetGroupFont();
+ aFont.SetFontHeight( defFontheight );
+ aStyleSettings.SetGroupFont( aFont );
+
+ rSettings.SetStyleSettings( aStyleSettings );
+
+ bool bForceHCMode = false;
+
+ // auto detect HC mode; if the system already set it to "yes"
+ // (see above) then accept that
+ if (!rSettings.GetStyleSettings().GetHighContrastMode() && !utl::ConfigManager::IsFuzzing())
+ {
+ bool bAutoHCMode = true;
+ utl::OConfigurationNode aNode = utl::OConfigurationTreeRoot::tryCreateWithComponentContext(
+ comphelper::getProcessComponentContext(),
+ "org.openoffice.Office.Common/Accessibility" ); // note: case sensitive !
+ if ( aNode.isValid() )
+ {
+ css::uno::Any aValue = aNode.getNodeValue( "AutoDetectSystemHC" );
+ bool bTmp = false;
+ if( aValue >>= bTmp )
+ bAutoHCMode = bTmp;
+ }
+ if( bAutoHCMode )
+ {
+ if( rSettings.GetStyleSettings().GetFaceColor().IsDark() ||
+ rSettings.GetStyleSettings().GetWindowColor().IsDark() )
+ bForceHCMode = true;
+ }
+ }
+
+ static const char* pEnvHC = getenv( "SAL_FORCE_HC" );
+ if( pEnvHC && *pEnvHC )
+ bForceHCMode = true;
+
+ if( bForceHCMode )
+ {
+ aStyleSettings = rSettings.GetStyleSettings();
+ aStyleSettings.SetHighContrastMode( true );
+ rSettings.SetStyleSettings( aStyleSettings );
+ }
+
+ if ( bCallHdl )
+ GetpApp()->OverrideSystemSettings( rSettings );
+}
+
+} /*namespace vcl*/
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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