vcl/source/window/settings.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <i18nlangtag/mslangid.hxx>
  21
  22 #include <vcl/event.hxx>
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/window.hxx>
  25 #include <vcl/virdev.hxx>
  26 #include <vcl/settings.hxx>
  27
  28 #include <unotools/fontcfg.hxx>
  29 #include <unotools/confignode.hxx>
  30
  31 #include <comphelper/processfactory.hxx>
  32
  33 #include <salframe.hxx>
  34 #include <svdata.hxx>
  35 #include <brdwin.hxx>
  36 #include <PhysicalFontCollection.hxx>
  37
  38 #include <window.h>
  39
  40 namespace vcl {
  41
  42 void Window::SetSettings( const AllSettings& rSettings )
  43 {
  44     SetSettings( rSettings, false );
  45 }
  46
  47 void Window::SetSettings( const AllSettings& rSettings, bool bChild )
  48 {
  49
  50     if ( mpWindowImpl->mpBorderWindow )
  51     {
  52         mpWindowImpl->mpBorderWindow->SetSettings( rSettings, false );
  53         if ( (mpWindowImpl->mpBorderWindow->GetType() == WINDOW_BORDERWINDOW) &&
  54              static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow )
  55             static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow->SetSettings( rSettings, true );
  56     }
  57
  58     AllSettings aOldSettings(*mxSettings);
  59     OutputDevice::SetSettings( rSettings );
  60     AllSettingsFlags nChangeFlags = aOldSettings.GetChangeFlags( rSettings );
  61
  62     // recalculate AppFont-resolution and DPI-resolution
  63     ImplInitResolutionSettings();
  64
  65     if ( bool(nChangeFlags) )
  66     {
  67         DataChangedEvent aDCEvt( DataChangedEventType::SETTINGS, &aOldSettings, nChangeFlags );
  68         DataChanged( aDCEvt );
  69     }
  70
  71     if ( bChild )
  72     {
  73         vcl::Window* pChild = mpWindowImpl->mpFirstChild;
  74         while ( pChild )
  75         {
  76             pChild->SetSettings( rSettings, bChild );
  77             pChild = pChild->mpWindowImpl->mpNext;
  78         }
  79     }
  80 }
  81
  82 void Window::UpdateSettings( const AllSettings& rSettings, bool bChild )
  83 {
  84
  85     if ( mpWindowImpl->mpBorderWindow )
  86     {
  87         mpWindowImpl->mpBorderWindow->UpdateSettings( rSettings );
  88         if ( (mpWindowImpl->mpBorderWindow->GetType() == WINDOW_BORDERWINDOW) &&
  89              static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow )
  90             static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->mpMenuBarWindow->UpdateSettings( rSettings, true );
  91     }
  92
  93     AllSettings aOldSettings(*mxSettings);
  94     AllSettingsFlags nChangeFlags = mxSettings->Update( mxSettings->GetWindowUpdate(), rSettings );
  95
  96     // recalculate AppFont-resolution and DPI-resolution
  97     ImplInitResolutionSettings();
  98
  99     /* #i73785#
 100     *  do not overwrite a WheelBehavior with false
 101     *  this looks kind of a hack, but WheelBehavior
 102     *  is always a local change, not a system property,
 103     *  so we can spare all our users the hassle of reacting on
 104     *  this in their respective DataChanged.
 105     */
 106     MouseSettings aSet( mxSettings->GetMouseSettings() );
 107     aSet.SetWheelBehavior( aOldSettings.GetMouseSettings().GetWheelBehavior() );
 108     mxSettings->SetMouseSettings( aSet );
 109
 110     if( (nChangeFlags & AllSettingsFlags::STYLE) && IsBackground() )
 111     {
 112         Wallpaper aWallpaper = GetBackground();
 113         if( !aWallpaper.IsBitmap() && !aWallpaper.IsGradient() )
 114         {
 115             if ( mpWindowImpl->mnStyle & WB_3DLOOK )
 116             {
 117                 if (aOldSettings.GetStyleSettings().GetFaceColor() != rSettings.GetStyleSettings().GetFaceColor())
 118                     SetBackground( Wallpaper( rSettings.GetStyleSettings().GetFaceColor() ) );
 119             }
 120             else
 121             {
 122                 if (aOldSettings.GetStyleSettings().GetWindowColor() != rSettings.GetStyleSettings().GetWindowColor())
 123                     SetBackground( Wallpaper( rSettings.GetStyleSettings().GetWindowColor() ) );
 124             }
 125         }
 126     }
 127
 128     if ( bool(nChangeFlags) )
 129     {
 130         DataChangedEvent aDCEvt( DataChangedEventType::SETTINGS, &aOldSettings, nChangeFlags );
 131         DataChanged( aDCEvt );
 132         // notify data change handler
 133         CallEventListeners( VCLEVENT_WINDOW_DATACHANGED, &aDCEvt);
 134     }
 135
 136     if ( bChild )
 137     {
 138         vcl::Window* pChild = mpWindowImpl->mpFirstChild;
 139         while ( pChild )
 140         {
 141             pChild->UpdateSettings( rSettings, bChild );
 142             pChild = pChild->mpWindowImpl->mpNext;
 143         }
 144     }
 145 }
 146
 147 void Window::ImplUpdateGlobalSettings( AllSettings& rSettings, bool bCallHdl )
 148 {
 149     StyleSettings aTmpSt( rSettings.GetStyleSettings() );
 150     aTmpSt.SetHighContrastMode( false );
 151     rSettings.SetStyleSettings( aTmpSt );
 152     ImplGetFrame()->UpdateSettings( rSettings );
 153
 154     StyleSettings aStyleSettings = rSettings.GetStyleSettings();
 155     // #97047: Force all fonts except Menu and Help to a fixed height
 156     // to avoid UI scaling due to large fonts
 157     // - but allow bigger fonts on bigger screens (i16682, i21238)
 158     //   dialogs were designed to fit 800x600 with an 8pt font, so scale accordingly
 159     int maxFontheight = 9; // #107886#: 9 is default for some asian systems, so always allow if requested
 160     if( GetDesktopRectPixel().getHeight() > 600 )
 161         maxFontheight = (int) ((( 8.0 * (double) GetDesktopRectPixel().getHeight()) / 600.0) + 1.5);
 162
 163     vcl::Font aFont = aStyleSettings.GetMenuFont();
 164     int defFontheight = aFont.GetFontHeight();
 165     if( defFontheight > maxFontheight )
 166         defFontheight = maxFontheight;
 167
 168     // if the UI is korean, chinese or another locale
 169     // where the system font size is known to be often too small to
 170     // generate readable fonts enforce a minimum font size of 9 points
 171     bool bBrokenLangFontHeight = MsLangId::isCJK(Application::GetSettings().GetUILanguageTag().getLanguageType());
 172     if (bBrokenLangFontHeight)
 173         defFontheight = std::max(9, defFontheight);
 174
 175     // i22098, toolfont will be scaled differently to avoid bloated rulers and status bars for big fonts
 176     int toolfontheight = defFontheight;
 177     if( toolfontheight > 9 )
 178         toolfontheight = (defFontheight+8) / 2;
 179
 180     aFont = aStyleSettings.GetAppFont();
 181     aFont.SetFontHeight( defFontheight );
 182     aStyleSettings.SetAppFont( aFont );
 183     aFont = aStyleSettings.GetTitleFont();
 184     aFont.SetFontHeight( defFontheight );
 185     aStyleSettings.SetTitleFont( aFont );
 186     aFont = aStyleSettings.GetFloatTitleFont();
 187     aFont.SetFontHeight( defFontheight );
 188     aStyleSettings.SetFloatTitleFont( aFont );
 189     // keep menu and help font size from system unless in broken locale size
 190     if( bBrokenLangFontHeight )
 191     {
 192         aFont = aStyleSettings.GetMenuFont();
 193         if( aFont.GetFontHeight() < defFontheight )
 194         {
 195             aFont.SetFontHeight( defFontheight );
 196             aStyleSettings.SetMenuFont( aFont );
 197         }
 198         aFont = aStyleSettings.GetHelpFont();
 199         if( aFont.GetFontHeight() < defFontheight )
 200         {
 201             aFont.SetFontHeight( defFontheight );
 202             aStyleSettings.SetHelpFont( aFont );
 203         }
 204     }
 205
 206     // use different height for toolfont
 207     aFont = aStyleSettings.GetToolFont();
 208     aFont.SetFontHeight( toolfontheight );
 209     aStyleSettings.SetToolFont( aFont );
 210
 211     aFont = aStyleSettings.GetLabelFont();
 212     aFont.SetFontHeight( defFontheight );
 213     aStyleSettings.SetLabelFont( aFont );
 214     aFont = aStyleSettings.GetRadioCheckFont();
 215     aFont.SetFontHeight( defFontheight );
 216     aStyleSettings.SetRadioCheckFont( aFont );
 217     aFont = aStyleSettings.GetPushButtonFont();
 218     aFont.SetFontHeight( defFontheight );
 219     aStyleSettings.SetPushButtonFont( aFont );
 220     aFont = aStyleSettings.GetFieldFont();
 221     aFont.SetFontHeight( defFontheight );
 222     aStyleSettings.SetFieldFont( aFont );
 223     aFont = aStyleSettings.GetIconFont();
 224     aFont.SetFontHeight( defFontheight );
 225     aStyleSettings.SetIconFont( aFont );
 226     aFont = aStyleSettings.GetTabFont();
 227     aFont.SetFontHeight( defFontheight );
 228     aStyleSettings.SetTabFont( aFont );
 229     aFont = aStyleSettings.GetGroupFont();
 230     aFont.SetFontHeight( defFontheight );
 231     aStyleSettings.SetGroupFont( aFont );
 232
 233     rSettings.SetStyleSettings( aStyleSettings );
 234
 235     bool bForceHCMode = false;
 236
 237     // auto detect HC mode; if the system already set it to "yes"
 238     // (see above) then accept that
 239     if( !rSettings.GetStyleSettings().GetHighContrastMode() )
 240     {
 241         bool bAutoHCMode = true;
 242         utl::OConfigurationNode aNode = utl::OConfigurationTreeRoot::tryCreateWithComponentContext(
 243             comphelper::getProcessComponentContext(),
 244             "org.openoffice.Office.Common/Accessibility" );    // note: case sensitive !
 245         if ( aNode.isValid() )
 246         {
 247             css::uno::Any aValue = aNode.getNodeValue( OUString("AutoDetectSystemHC") );
 248             bool bTmp = false;
 249             if( aValue >>= bTmp )
 250                 bAutoHCMode = bTmp;
 251         }
 252         if( bAutoHCMode )
 253         {
 254             if( rSettings.GetStyleSettings().GetFaceColor().IsDark() ||
 255                 rSettings.GetStyleSettings().GetWindowColor().IsDark() )
 256                 bForceHCMode = true;
 257         }
 258     }
 259
 260     static const char* pEnvHC = getenv( "SAL_FORCE_HC" );
 261     if( pEnvHC && *pEnvHC )
 262         bForceHCMode = true;
 263
 264     if( bForceHCMode )
 265     {
 266         aStyleSettings = rSettings.GetStyleSettings();
 267         aStyleSettings.SetHighContrastMode( true );
 268         rSettings.SetStyleSettings( aStyleSettings );
 269     }
 270
 271     if ( bCallHdl )
 272         GetpApp()->OverrideSystemSettings( rSettings );
 273 }
 274
 275 } /*namespace vcl*/
 276
 277 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */