vcl/source/window/syschild.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 <vcl/window.hxx>
  21 #include <vcl/sysdata.hxx>
  22 #include <vcl/svapp.hxx>
  23 #include <vcl/syschild.hxx>
  24
  25 #include <window.h>
  26 #include <salinst.hxx>
  27 #include <salobj.hxx>
  28 #include <svdata.hxx>
  29
  30 using namespace ::com::sun::star;
  31
  32 static void ImplSysChildProc( SystemChildWindow* pInst, SalObjEvent nEvent )
  33 {
  34     VclPtr<SystemChildWindow> pWindow = pInst;
  35
  36     switch ( nEvent )
  37     {
  38         case SalObjEvent::GetFocus:
  39             // get focus, such that all handlers are called,
  40             // as if this window gets the focus assuring
  41             // that the frame does not steal it
  42             pWindow->ImplGetFrameData()->mbSysObjFocus = true;
  43             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  44             pWindow->ToTop( ToTopFlags::NoGrabFocus );
  45             if( pWindow->IsDisposed() )
  46                 break;
  47             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
  48             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = true;
  49             pWindow->GrabFocus();
  50             if( pWindow->IsDisposed() )
  51                 break;
  52             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = false;
  53             break;
  54
  55         case SalObjEvent::LoseFocus:
  56             // trigger a LoseFocus which matches the status
  57             // of the window with matching Activate-Status
  58             if (pWindow->IsDisposed())
  59                 break;
  60             pWindow->ImplGetFrameData()->mbSysObjFocus = false;
  61             if ( !pWindow->ImplGetFrameData()->mnFocusId )
  62             {
  63                 pWindow->ImplGetFrameData()->mbStartFocusState = true;
  64                 pWindow->ImplGetFrameData()->mnFocusId = Application::PostUserEvent( LINK( pWindow->ImplGetFrameWindow(), vcl::Window, ImplAsyncFocusHdl ), nullptr, true );
  65             }
  66             break;
  67
  68         case SalObjEvent::ToTop:
  69             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  70             if ( !Application::GetFocusWindow() || pWindow->HasChildPathFocus() )
  71                 pWindow->ToTop( ToTopFlags::NoGrabFocus );
  72             else
  73                 pWindow->ToTop();
  74             if( pWindow->IsDisposed() )
  75                 break;
  76             pWindow->GrabFocus();
  77             if( pWindow->IsDisposed() )
  78                 break;
  79             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
  80             break;
  81
  82         default: break;
  83     }
  84 }
  85
  86 void SystemChildWindow::ImplInitSysChild( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow )
  87 {
  88     mpWindowImpl->mpSysObj = ImplGetSVData()->mpDefInst->CreateObject( pParent->ImplGetFrame(), pData, bShow );
  89
  90     Window::ImplInit( pParent, nStyle, nullptr );
  91
  92     // we do not paint if it is the right SysChild
  93     if ( GetSystemData() )
  94     {
  95         mpWindowImpl->mpSysObj->SetCallback( this, ImplSysChildProc );
  96         SetParentClipMode( ParentClipMode::Clip );
  97         SetBackground();
  98     }
  99 }
 100
 101 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle ) :
 102     Window( WindowType::SYSTEMCHILDWINDOW )
 103 {
 104     ImplInitSysChild( pParent, nStyle, nullptr );
 105 }
 106
 107 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow ) :
 108     Window( WindowType::SYSTEMCHILDWINDOW )
 109 {
 110     ImplInitSysChild( pParent, nStyle, pData, bShow );
 111 }
 112
 113 SystemChildWindow::~SystemChildWindow()
 114 {
 115     disposeOnce();
 116 }
 117
 118 void SystemChildWindow::dispose()
 119 {
 120     Hide();
 121     if ( mpWindowImpl && mpWindowImpl->mpSysObj )
 122     {
 123         ImplGetSVData()->mpDefInst->DestroyObject( mpWindowImpl->mpSysObj );
 124         mpWindowImpl->mpSysObj = nullptr;
 125     }
 126     Window::dispose();
 127 }
 128
 129 const SystemEnvData* SystemChildWindow::GetSystemData() const
 130 {
 131     if ( mpWindowImpl->mpSysObj )
 132         return mpWindowImpl->mpSysObj->GetSystemData();
 133     else
 134         return nullptr;
 135 }
 136
 137 void SystemChildWindow::EnableEraseBackground( bool bEnable )
 138 {
 139     if ( mpWindowImpl->mpSysObj )
 140         mpWindowImpl->mpSysObj->EnableEraseBackground( bEnable );
 141 }
 142
 143 void SystemChildWindow::SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& rLeaveArgs, const css::uno::Sequence<css::uno::Any>& rEnterArgs)
 144 {
 145     if (mpWindowImpl->mpSysObj)
 146         mpWindowImpl->mpSysObj->SetLeaveEnterBackgrounds(rLeaveArgs, rEnterArgs);
 147 }
 148
 149 void SystemChildWindow::SetForwardKey( bool bEnable )
 150 {
 151     if ( mpWindowImpl->mpSysObj )
 152         mpWindowImpl->mpSysObj->SetForwardKey( bEnable );
 153 }
 154
 155 sal_IntPtr SystemChildWindow::GetParentWindowHandle() const
 156 {
 157     sal_IntPtr nRet = 0;
 158
 159 #if defined(_WIN32)
 160     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->hWnd );
 161 #elif defined MACOSX
 162     // FIXME: this is wrong
 163     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->mpNSView );
 164 #elif defined ANDROID
 165     // Nothing
 166 #elif defined IOS
 167     // Nothing
 168 #elif defined UNX
 169     nRet = GetSystemData()->aWindow;
 170 #endif
 171
 172     return nRet;
 173 }
 174
 175 void* SystemChildWindow::CreateGStreamerSink()
 176 {
 177     return ImplGetSVData()->mpDefInst->CreateGStreamerSink(this);
 178 }
 179
 180 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */