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 <salframe.hxx>
  27 #include <salinst.hxx>
  28 #include <salobj.hxx>
  29 #include <svdata.hxx>
  30
  31 using namespace ::com::sun::star;
  32
  33 static void ImplSysChildProc( SystemChildWindow* pInst, SalObjEvent nEvent )
  34 {
  35     VclPtr<SystemChildWindow> pWindow = pInst;
  36
  37     switch ( nEvent )
  38     {
  39         case SalObjEvent::GetFocus:
  40             // get focus, such that all handlers are called,
  41             // as if this window gets the focus assuring
  42             // that the frame does not steal it
  43             pWindow->ImplGetFrameData()->mbSysObjFocus = true;
  44             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  45             pWindow->ToTop( ToTopFlags::NoGrabFocus );
  46             if( pWindow->isDisposed() )
  47                 break;
  48             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
  49             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = true;
  50             pWindow->GrabFocus();
  51             if( pWindow->isDisposed() )
  52                 break;
  53             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = false;
  54             break;
  55
  56         case SalObjEvent::LoseFocus:
  57             // trigger a LoseFocus which matches the status
  58             // of the window with matching Activate-Status
  59             if (pWindow->isDisposed())
  60                 break;
  61             pWindow->ImplGetFrameData()->mbSysObjFocus = false;
  62             if ( !pWindow->ImplGetFrameData()->mnFocusId )
  63             {
  64                 pWindow->ImplGetFrameData()->mbStartFocusState = true;
  65                 pWindow->ImplGetFrameData()->mnFocusId = Application::PostUserEvent( LINK( pWindow->ImplGetFrameWindow(), vcl::Window, ImplAsyncFocusHdl ), nullptr, true );
  66             }
  67             break;
  68
  69         case SalObjEvent::ToTop:
  70             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  71             if ( !Application::GetFocusWindow() || pWindow->HasChildPathFocus() )
  72                 pWindow->ToTop( ToTopFlags::NoGrabFocus );
  73             else
  74                 pWindow->ToTop();
  75             if( pWindow->isDisposed() )
  76                 break;
  77             pWindow->GrabFocus();
  78             if( pWindow->isDisposed() )
  79                 break;
  80             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
  81             break;
  82
  83         default: break;
  84     }
  85 }
  86
  87 void SystemChildWindow::ImplInitSysChild( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow )
  88 {
  89     mpWindowImpl->mpSysObj = ImplGetSVData()->mpDefInst->CreateObject( pParent->ImplGetFrame(), pData, bShow );
  90
  91     Window::ImplInit( pParent, nStyle, nullptr );
  92
  93     // we do not paint if it is the right SysChild
  94     if ( GetSystemData() )
  95     {
  96         mpWindowImpl->mpSysObj->SetCallback( this, ImplSysChildProc );
  97         SetParentClipMode( ParentClipMode::Clip );
  98         SetBackground();
  99     }
 100 }
 101
 102 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle ) :
 103     Window( WindowType::SYSTEMCHILDWINDOW )
 104 {
 105     ImplInitSysChild( pParent, nStyle, nullptr );
 106 }
 107
 108 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow ) :
 109     Window( WindowType::SYSTEMCHILDWINDOW )
 110 {
 111     ImplInitSysChild( pParent, nStyle, pData, bShow );
 112 }
 113
 114 SystemChildWindow::~SystemChildWindow()
 115 {
 116     disposeOnce();
 117 }
 118
 119 void SystemChildWindow::dispose()
 120 {
 121     Hide();
 122     if ( mpWindowImpl && mpWindowImpl->mpSysObj )
 123     {
 124         ImplGetSVData()->mpDefInst->DestroyObject( mpWindowImpl->mpSysObj );
 125         mpWindowImpl->mpSysObj = nullptr;
 126     }
 127     Window::dispose();
 128 }
 129
 130 const SystemEnvData* SystemChildWindow::GetSystemData() const
 131 {
 132     if ( mpWindowImpl->mpSysObj )
 133         return &mpWindowImpl->mpSysObj->GetSystemData();
 134     else
 135         return nullptr;
 136 }
 137
 138 void SystemChildWindow::EnableEraseBackground( bool bEnable )
 139 {
 140     if ( mpWindowImpl->mpSysObj )
 141         mpWindowImpl->mpSysObj->EnableEraseBackground( bEnable );
 142 }
 143
 144 Size SystemChildWindow::GetOptimalSize() const
 145 {
 146     if (mpWindowImpl->mpSysObj)
 147         return mpWindowImpl->mpSysObj->GetOptimalSize();
 148     return vcl::Window::GetOptimalSize();
 149 }
 150
 151 void SystemChildWindow::SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& rLeaveArgs, const css::uno::Sequence<css::uno::Any>& rEnterArgs)
 152 {
 153     if (mpWindowImpl->mpSysObj)
 154         mpWindowImpl->mpSysObj->SetLeaveEnterBackgrounds(rLeaveArgs, rEnterArgs);
 155 }
 156
 157 void SystemChildWindow::SetForwardKey( bool bEnable )
 158 {
 159     if ( mpWindowImpl->mpSysObj )
 160         mpWindowImpl->mpSysObj->SetForwardKey( bEnable );
 161 }
 162
 163 sal_IntPtr SystemChildWindow::GetParentWindowHandle() const
 164 {
 165     sal_IntPtr nRet = 0;
 166
 167 #if defined(_WIN32)
 168     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->hWnd );
 169 #elif defined MACOSX
 170     // FIXME: this is wrong
 171     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->mpNSView );
 172 #elif defined ANDROID
 173     // Nothing
 174 #elif defined IOS
 175     // Nothing
 176 #elif defined UNX
 177     nRet = GetSystemData()->GetWindowHandle(ImplGetFrame());
 178 #endif
 179
 180     return nRet;
 181 }
 182
 183 void* SystemChildWindow::CreateGStreamerSink()
 184 {
 185     return ImplGetSVData()->mpDefInst->CreateGStreamerSink(this);
 186 }
 187
 188 #if defined( MACOSX )
 189 #elif defined( ANDROID )
 190 #elif defined( IOS )
 191 #elif defined( UNX )
 192 sal_uIntPtr SystemEnvData::GetWindowHandle(const SalFrame* pReference) const
 193 {
 194     if (!aWindow && pReference)
 195         pReference->ResolveWindowHandle(const_cast<SystemEnvData&>(*this));
 196     return aWindow;
 197 }
 198 #endif
 199
 200 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */