vcl/source/window/syschild.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_vcl.hxx"
  33
  34 #ifndef _SV_SVSYS_HXX
  35 #include <svsys.h>
  36 #endif
  37 #include <vcl/salinst.hxx>
  38 #include <vcl/salframe.hxx>
  39 #include <vcl/window.hxx>
  40 #include <vcl/salobj.hxx>
  41
  42 #ifndef _SV_RC_H
  43 #include <tools/rc.h>
  44 #endif
  45 #include <vcl/svdata.hxx>
  46 #ifndef _SV_WIDNOW_H
  47 #include <vcl/window.h>
  48 #endif
  49 #include <vcl/svapp.hxx>
  50 #include <vcl/syschild.hxx>
  51
  52
  53
  54 // =======================================================================
  55
  56 long ImplSysChildProc( void* pInst, SalObject* /* pObject */,
  57                        USHORT nEvent, const void* /* pEvent */ )
  58 {
  59     SystemChildWindow* pWindow = (SystemChildWindow*)pInst;
  60     long nRet = 0;
  61
  62     ImplDelData aDogTag( pWindow );
  63     switch ( nEvent )
  64     {
  65         case SALOBJ_EVENT_GETFOCUS:
  66             // Focus holen und zwar so, das alle Handler gerufen
  67             // werden, als ob dieses Fenster den Focus bekommt,
  68             // ohne das der Frame den Focus wieder klaut
  69             pWindow->ImplGetFrameData()->mbSysObjFocus = TRUE;
  70             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = TRUE;
  71             pWindow->ToTop( TOTOP_NOGRABFOCUS );
  72             if( aDogTag.IsDead() )
  73                 break;
  74             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = FALSE;
  75             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = TRUE;
  76             pWindow->GrabFocus();
  77             if( aDogTag.IsDead() )
  78                 break;
  79             pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = FALSE;
  80             break;
  81
  82         case SALOBJ_EVENT_LOSEFOCUS:
  83             // Hintenrum einen LoseFocus ausloesen, das der Status
  84             // der Fenster dem entsprechenden Activate-Status
  85             // entspricht
  86             pWindow->ImplGetFrameData()->mbSysObjFocus = FALSE;
  87             if ( !pWindow->ImplGetFrameData()->mnFocusId )
  88             {
  89                 pWindow->ImplGetFrameData()->mbStartFocusState = TRUE;
  90                 Application::PostUserEvent( pWindow->ImplGetFrameData()->mnFocusId, LINK( pWindow->ImplGetFrameWindow(), Window, ImplAsyncFocusHdl ) );
  91             }
  92             break;
  93
  94         case SALOBJ_EVENT_TOTOP:
  95             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = TRUE;
  96             if ( !Application::GetFocusWindow() || pWindow->HasChildPathFocus() )
  97                 pWindow->ToTop( TOTOP_NOGRABFOCUS );
  98             else
  99                 pWindow->ToTop();
 100             if( aDogTag.IsDead() )
 101                 break;
 102             pWindow->GrabFocus();
 103             if( aDogTag.IsDead() )
 104                 break;
 105             pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = FALSE;
 106             break;
 107     }
 108
 109     return nRet;
 110 }
 111
 112 // =======================================================================
 113
 114 void SystemChildWindow::ImplInitSysChild( Window* pParent, WinBits nStyle, SystemWindowData *pData, BOOL bShow )
 115 {
 116     mpWindowImpl->mpSysObj = ImplGetSVData()->mpDefInst->CreateObject( pParent->ImplGetFrame(), pData, bShow );
 117
 118     Window::ImplInit( pParent, nStyle, NULL );
 119
 120     // Wenn es ein richtiges SysChild ist, dann painten wir auch nicht
 121     if ( GetSystemData() )
 122     {
 123         mpWindowImpl->mpSysObj->SetCallback( this, ImplSysChildProc );
 124         SetParentClipMode( PARENTCLIPMODE_CLIP );
 125         SetBackground();
 126     }
 127 }
 128
 129 // -----------------------------------------------------------------------
 130
 131 SystemChildWindow::SystemChildWindow( Window* pParent, WinBits nStyle ) :
 132     Window( WINDOW_SYSTEMCHILDWINDOW )
 133 {
 134     ImplInitSysChild( pParent, nStyle, NULL );
 135 }
 136
 137 // -----------------------------------------------------------------------
 138
 139 SystemChildWindow::SystemChildWindow( Window* pParent, WinBits nStyle, SystemWindowData *pData, BOOL bShow ) :
 140     Window( WINDOW_SYSTEMCHILDWINDOW )
 141 {
 142     ImplInitSysChild( pParent, nStyle, pData, bShow );
 143 }
 144
 145 // -----------------------------------------------------------------------
 146
 147 SystemChildWindow::SystemChildWindow( Window* pParent, const ResId& rResId ) :
 148     Window( WINDOW_SYSTEMCHILDWINDOW )
 149 {
 150     rResId.SetRT( RSC_WINDOW );
 151     WinBits nStyle = ImplInitRes( rResId );
 152     ImplInitSysChild( pParent, nStyle, NULL );
 153     ImplLoadRes( rResId );
 154
 155     if ( !(nStyle & WB_HIDE) )
 156         Show();
 157 }
 158
 159 // -----------------------------------------------------------------------
 160
 161 SystemChildWindow::~SystemChildWindow()
 162 {
 163     Hide();
 164     if ( mpWindowImpl->mpSysObj )
 165     {
 166         ImplGetSVData()->mpDefInst->DestroyObject( mpWindowImpl->mpSysObj );
 167         mpWindowImpl->mpSysObj = NULL;
 168     }
 169 }
 170
 171 // -----------------------------------------------------------------------
 172
 173 const SystemEnvData* SystemChildWindow::GetSystemData() const
 174 {
 175     if ( mpWindowImpl->mpSysObj )
 176         return mpWindowImpl->mpSysObj->GetSystemData();
 177     else
 178         return NULL;
 179 }
 180
 181 // -----------------------------------------------------------------------
 182
 183 void SystemChildWindow::EnableEraseBackground( BOOL bEnable )
 184 {
 185     if ( mpWindowImpl->mpSysObj )
 186         mpWindowImpl->mpSysObj->EnableEraseBackground( bEnable );
 187 }
 188
 189 BOOL SystemChildWindow::IsEraseBackgroundEnabled()
 190 {
 191     if ( mpWindowImpl->mpSysObj )
 192         return mpWindowImpl->mpSysObj->IsEraseBackgroundEnabled();
 193     else
 194         return FALSE;
 195 }
 196
 197 void SystemChildWindow::SetForwardKey( BOOL bEnable )
 198 {
 199        if ( mpWindowImpl->mpSysObj )
 200                mpWindowImpl->mpSysObj->SetForwardKey( bEnable );
 201 }