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 <config_features.h>
  21
  22 #include <rtl/process.h>
  23 #include <rtl/ref.hxx>
  24
  25 #include <tools/rc.h>
  26
  27 #include <vcl/window.hxx>
  28 #include <vcl/sysdata.hxx>
  29 #include <vcl/svapp.hxx>
  30 #include <vcl/syschild.hxx>
  31
  32 #include <window.h>
  33 #include <salinst.hxx>
  34 #include <salframe.hxx>
  35 #include <salobj.hxx>
  36 #include <svdata.hxx>
  37
  38 #if HAVE_FEATURE_JAVA
  39 #include <jni.h>
  40 #endif
  41
  42 #include <comphelper/processfactory.hxx>
  43
  44 #if HAVE_FEATURE_JAVA
  45 #include <jvmaccess/virtualmachine.hxx>
  46 #include <com/sun/star/java/JavaVirtualMachine.hpp>
  47 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  48 #endif
  49
  50 using namespace ::com::sun::star;
  51
  52 long ImplSysChildProc( void* pInst, SalObject* /* pObject */,
  53                        SalObjEvent nEvent, const void* /* pEvent */ )
  54 {
  55     VclPtr<SystemChildWindow> pWindow = static_cast<SystemChildWindow*>(pInst);
  56     long nRet = 0;
  57
  58     switch ( nEvent )
  59     {
  60         case SalObjEvent::GetFocus:
  61             // get focus, such that all handlers are called,
  62             // as if this window gets the focus assuring
  63             // that the frame does not steal it
  64             pWindow->ImplGetFrameData()->mbSysObjFocus = true;
  65             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  66             pWindow->ToTop( ToTopFlags::NoGrabFocus );
  67             if( pWindow->IsDisposed() )
  68                 break;
  69             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
  70             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = true;
  71             pWindow->GrabFocus();
  72             if( pWindow->IsDisposed() )
  73                 break;
  74             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = false;
  75             break;
  76
  77         case SalObjEvent::LoseFocus:
  78             // trigger a LoseFocus which matches the status
  79             // of the window with matching Activate-Status
  80             pWindow->ImplGetFrameData()->mbSysObjFocus = false;
  81             if ( !pWindow->ImplGetFrameData()->mnFocusId )
  82             {
  83                 pWindow->ImplGetFrameData()->mbStartFocusState = true;
  84                 pWindow->ImplGetFrameData()->mnFocusId = Application::PostUserEvent( LINK( pWindow->ImplGetFrameWindow(), vcl::Window, ImplAsyncFocusHdl ), nullptr, true );
  85             }
  86             break;
  87
  88         case SalObjEvent::ToTop:
  89             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
  90             if ( !Application::GetFocusWindow() || pWindow->HasChildPathFocus() )
  91                 pWindow->ToTop( ToTopFlags::NoGrabFocus );
  92             else
  93                 pWindow->ToTop();
  94             if( pWindow->IsDisposed() )
  95                 break;
  96             pWindow->GrabFocus();
  97             if( pWindow->IsDisposed() )
  98                 break;
  99             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
 100             break;
 101
 102         default: break;
 103     }
 104
 105     return nRet;
 106 }
 107
 108 void SystemChildWindow::ImplInitSysChild( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow )
 109 {
 110     mpWindowImpl->mpSysObj = ImplGetSVData()->mpDefInst->CreateObject( pParent->ImplGetFrame(), pData, bShow );
 111
 112     Window::ImplInit( pParent, nStyle, nullptr );
 113
 114     // we do not paint if it is the right SysChild
 115     if ( GetSystemData() )
 116     {
 117         mpWindowImpl->mpSysObj->SetCallback( this, ImplSysChildProc );
 118         SetParentClipMode( ParentClipMode::Clip );
 119         SetBackground();
 120     }
 121 }
 122
 123 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle ) :
 124     Window( WINDOW_SYSTEMCHILDWINDOW )
 125 {
 126     ImplInitSysChild( pParent, nStyle, nullptr );
 127 }
 128
 129 SystemChildWindow::SystemChildWindow( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow ) :
 130     Window( WINDOW_SYSTEMCHILDWINDOW )
 131 {
 132     ImplInitSysChild( pParent, nStyle, pData, bShow );
 133 }
 134
 135 SystemChildWindow::~SystemChildWindow()
 136 {
 137     disposeOnce();
 138 }
 139
 140 void SystemChildWindow::dispose()
 141 {
 142     Hide();
 143     if ( mpWindowImpl && mpWindowImpl->mpSysObj )
 144     {
 145         ImplGetSVData()->mpDefInst->DestroyObject( mpWindowImpl->mpSysObj );
 146         mpWindowImpl->mpSysObj = nullptr;
 147     }
 148     Window::dispose();
 149 }
 150
 151 const SystemEnvData* SystemChildWindow::GetSystemData() const
 152 {
 153     if ( mpWindowImpl->mpSysObj )
 154         return mpWindowImpl->mpSysObj->GetSystemData();
 155     else
 156         return nullptr;
 157 }
 158
 159 void SystemChildWindow::EnableEraseBackground( bool bEnable )
 160 {
 161     if ( mpWindowImpl->mpSysObj )
 162         mpWindowImpl->mpSysObj->EnableEraseBackground( bEnable );
 163 }
 164
 165 void SystemChildWindow::SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& rLeaveArgs, const css::uno::Sequence<css::uno::Any>& rEnterArgs)
 166 {
 167     if (mpWindowImpl->mpSysObj)
 168         mpWindowImpl->mpSysObj->SetLeaveEnterBackgrounds(rLeaveArgs, rEnterArgs);
 169 }
 170
 171 void SystemChildWindow::SetForwardKey( bool bEnable )
 172 {
 173     if ( mpWindowImpl->mpSysObj )
 174         mpWindowImpl->mpSysObj->SetForwardKey( bEnable );
 175 }
 176
 177 sal_IntPtr SystemChildWindow::GetParentWindowHandle()
 178 {
 179     sal_IntPtr nRet = 0;
 180
 181 #if defined(_WIN32)
 182     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->hWnd );
 183 #elif defined MACOSX
 184     // FIXME: this is wrong
 185     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->mpNSView );
 186 #elif defined ANDROID
 187     // Nothing
 188 #elif defined IOS
 189     // Nothing
 190 #elif defined UNX
 191     nRet = (sal_IntPtr) GetSystemData()->aWindow;
 192 #endif
 193
 194     return nRet;
 195 }
 196
 197 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */