src/msw/popupwin.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/popupwin.cpp
   3 // Purpose:     implements wxPopupWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     08.05.02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "popup.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32 #endif //WX_PRECOMP
  33
  34 #include "wx/popupwin.h"
  35
  36 #include "wx/msw/private.h"     // for WS_CHILD and WS_POPUP
  37
  38 // ============================================================================
  39 // implementation
  40 // ============================================================================
  41
  42 bool wxPopupWindow::Create(wxWindow *parent, int flags)
  43 {
  44     return wxPopupWindowBase::Create(parent) &&
  45                wxWindow::Create(parent, -1,
  46                                 wxDefaultPosition, wxDefaultSize,
  47                                 flags | wxPOPUP_WINDOW);
  48 }
  49
  50 void wxPopupWindow::DoGetPosition(int *x, int *y) const
  51 {
  52     // the position of a "top level" window such as this should be in
  53     // screen coordinates, not in the client ones which MSW gives us
  54     // (because we are a child window)
  55     wxPopupWindowBase::DoGetPosition(x, y);
  56
  57     GetParent()->ClientToScreen(x, y);
  58 }
  59
  60 WXDWORD wxPopupWindow::MSWGetStyle(long flags, WXDWORD *exstyle) const
  61 {
  62     // we only hnour the border flags
  63     WXDWORD style = wxWindow::MSWGetStyle(flags & wxBORDER_MASK, exstyle);
  64
  65     // and we mustn't have WS_CHILD style or we would be limited to the parents
  66     // client area
  67     style &= ~WS_CHILD;
  68     style |= WS_POPUP;
  69
  70     if ( exstyle )
  71     {
  72         // a popup window floats on top of everything
  73         *exstyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
  74     }
  75
  76     return style;
  77 }
  78