src/os2/popupwin.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        os2/popupwin.cpp
   3 // Purpose:     implements wxPopupWindow for OS2
   4 // Author:      Dave Webster
   5 // Modified by:
   6 // Created:     13.05.02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 Dave Webster <dwebster@bhmi.com>
   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
  28 #ifndef WX_PRECOMP
  29 #endif //WX_PRECOMP
  30
  31 #include "wx/popupwin.h"
  32
  33 wxWindowList wxPopupWindow::m_svShownPopups;
  34
  35 // ============================================================================
  36 // implementation
  37 // ============================================================================
  38
  39 bool wxPopupWindow::Create(
  40   wxWindow*                         pParent
  41 , int                               nFlags
  42 )
  43 {
  44     return wxPopupWindowBase::Create(pParent) &&
  45                     wxWindow::Create( pParent
  46                                      ,-1
  47                                      ,wxDefaultPosition
  48                                      ,wxDefaultSize
  49                                      ,nFlags | wxPOPUP_WINDOW
  50                                     );
  51 } // end of wxPopupWindow::Create
  52
  53 void wxPopupWindow::DoGetPosition(
  54   int*                              pnX
  55 , int*                              pnY
  56 ) const
  57 {
  58     //
  59     // The position of a "top level" window such as this should be in
  60     // screen coordinates, not in the client ones which MSW gives us
  61     // (because we are a child window)
  62     //
  63     wxPopupWindowBase::DoGetPosition(pnX, pnY);
  64     GetParent()->ClientToScreen(pnX, pnY);
  65 } // end of wxPopupWindow::DoGetPosition
  66
  67 WXDWORD wxPopupWindow::OS2GetStyle(
  68   long                              lFlags
  69 , WXDWORD*                          dwExstyle
  70 ) const
  71 {
  72     WXDWORD                         dwStyle = wxWindow::OS2GetStyle( lFlags & wxBORDER_MASK
  73                                                                     ,dwExstyle
  74                                                                    );
  75
  76     return dwStyle;
  77 } // end of wxPopupWindow::OS2GetStyle
  78
  79 bool wxPopupWindow::Show(
  80   bool                              bShow
  81 )
  82 {
  83     SWP                             vSwp;
  84     //
  85     // Skip wxWindow::Show() which calls wxBringWindowToTop(): this results in
  86     // activating the popup window and stealing the atcivation from our parent
  87     // which means that the parent frame becomes deactivated when opening a
  88     // combobox, for example -- definitely not what we want
  89     //
  90     if (!wxWindowBase::Show(bShow))
  91         return FALSE;
  92
  93     if (bShow)
  94     {
  95         m_svShownPopups.Append(this);
  96     }
  97     else // remove from the shown list
  98     {
  99         m_svShownPopups.DeleteObject(this);
 100     }
 101     ::WinQueryWindowPos(GetHwnd(), &vSwp);
 102
 103     if (bShow)
 104     {
 105         ::WinSetWindowPos( GetHwnd()
 106                           ,HWND_TOP
 107                           ,vSwp.x
 108                           ,vSwp.y
 109                           ,vSwp.cx
 110                           ,vSwp.cy
 111                           ,SWP_DEACTIVATE | SWP_SHOW | SWP_ZORDER
 112                          );
 113     }
 114     else
 115     {
 116         ::WinSetWindowPos( GetHwnd()
 117                           ,HWND_BOTTOM
 118                           ,vSwp.x
 119                           ,vSwp.y
 120                           ,vSwp.cx
 121                           ,vSwp.cy
 122                           ,SWP_HIDE | SWP_ZORDER
 123                          );
 124     }
 125     return TRUE;
 126 } // end of wxPopupWindow::Show
 127
 128 /* static */
 129 wxPopupWindow* wxPopupWindow::FindPopupFor(
 130   wxWindow*                         pWinParent
 131 )
 132 {
 133     //
 134     // Find a popup with the given parent in the linked list of all shown
 135     // popups
 136     //
 137     for ( wxWindowList::Node *node = m_svShownPopups.GetFirst();
 138           node;
 139           node = node->GetNext() )
 140     {
 141         wxWindow*                   pWin = node->GetData();
 142
 143         if (pWin->GetParent() == pWinParent )
 144             return (wxPopupWindow *)pWin;
 145     }
 146     return NULL;
 147 } // end of wxPopupWindow::FindPopupFor
 148