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window clipper added

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16436 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2002-08-10 09:38:46 +00:00
parent 08a88c3368
commit 15cae9eb9e
2 changed files with 66 additions and 0 deletions
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33
src/mac/carbon/dc.cpp
View File

@@ -66,6 +66,39 @@ wxMacPortSetter::~wxMacPortSetter()
m_dc->MacCleanupPort(&m_ph) ;
}
wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
{
m_formerClip = NewRgn() ;
m_newClip = NewRgn() ;
GetClip( m_formerClip ) ;
if ( win )
{
RgnHandle insidergn = NewRgn() ;
int x = 0 , y = 0;
wxWindow *parent = win->GetParent() ;
parent->MacWindowToRootWindow( &x,&y ) ;
wxSize size = parent->GetSize() ;
SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
size.x - parent->MacGetLeftBorderSize() - parent->MacGetRightBorderSize(),
size.y - parent->MacGetTopBorderSize() - parent->MacGetBottomBorderSize()) ;
CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
SectRgn( m_newClip , insidergn , m_newClip ) ;
OffsetRgn( m_newClip , x , y ) ;
SetClip( m_newClip ) ;
DisposeRgn( insidergn ) ;
}
}
wxMacWindowClipper::~wxMacWindowClipper()
{
SetClip( m_formerClip ) ;
DisposeRgn( m_newClip ) ;
DisposeRgn( m_formerClip ) ;
}
//-----------------------------------------------------------------------------
// Local functions
//-----------------------------------------------------------------------------

33
src/mac/dc.cpp
View File

@@ -66,6 +66,39 @@ wxMacPortSetter::~wxMacPortSetter()
m_dc->MacCleanupPort(&m_ph) ;
}
wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
{
m_formerClip = NewRgn() ;
m_newClip = NewRgn() ;
GetClip( m_formerClip ) ;
if ( win )
{
RgnHandle insidergn = NewRgn() ;
int x = 0 , y = 0;
wxWindow *parent = win->GetParent() ;
parent->MacWindowToRootWindow( &x,&y ) ;
wxSize size = parent->GetSize() ;
SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
size.x - parent->MacGetLeftBorderSize() - parent->MacGetRightBorderSize(),
size.y - parent->MacGetTopBorderSize() - parent->MacGetBottomBorderSize()) ;
CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
SectRgn( m_newClip , insidergn , m_newClip ) ;
OffsetRgn( m_newClip , x , y ) ;
SetClip( m_newClip ) ;
DisposeRgn( insidergn ) ;
}
}
wxMacWindowClipper::~wxMacWindowClipper()
{
SetClip( m_formerClip ) ;
DisposeRgn( m_newClip ) ;
DisposeRgn( m_formerClip ) ;
}
//-----------------------------------------------------------------------------
// Local functions
//-----------------------------------------------------------------------------