src/os2/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/msgdlg.cpp
   3 // Purpose:     wxMessageDialog
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "msgdlg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifndef WX_PRECOMP
  20 #include <stdio.h>
  21 #include "wx/defs.h"
  22 #include "wx/utils.h"
  23 #include "wx/dialog.h"
  24 #include "wx/app.h"
  25 #include "wx/msgdlg.h"
  26 #include "wx/math.h"
  27 #endif
  28
  29 #include "wx/os2/private.h"
  30
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #define wxDIALOG_DEFAULT_X 300
  35 #define wxDIALOG_DEFAULT_Y 300
  36
  37 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  38
  39 wxMessageDialog::wxMessageDialog( wxWindow*       WXUNUSED(pParent),
  40                                   const wxString& rsMessage,
  41                                   const wxString& rsCaption,
  42                                   long            lStyle,
  43                                   const wxPoint&  WXUNUSED(pPos) )
  44 {
  45     m_sCaption     = rsCaption;
  46     m_sMessage     = rsMessage;
  47     m_pParent      = NULL; // pParent;
  48     SetMessageDialogStyle(lStyle);
  49 } // end of wxMessageDialog::wxMessageDialog
  50
  51 int wxMessageDialog::ShowModal()
  52 {
  53     HWND                            hWnd = 0;
  54     ULONG                           ulStyle = MB_OK;
  55     int                             nAns = wxOK;
  56     const long                      lStyle = GetMessageDialogStyle();
  57
  58     if (!wxTheApp->GetTopWindow())
  59     {
  60         //
  61         // when the message box is shown from wxApp::OnInit() (i.e. before the
  62         // message loop is entered), this must be done or the next message box
  63         // will never be shown - just try putting 2 calls to wxMessageBox() in
  64         // OnInit() to see it
  65         //
  66         while (wxTheApp->Pending())
  67             wxTheApp->Dispatch();
  68     }
  69
  70     if (m_pParent)
  71         hWnd = (HWND) m_pParent->GetHWND();
  72     else
  73         hWnd = HWND_DESKTOP;
  74     if (lStyle & wxYES_NO)
  75     {
  76         if (lStyle & wxCANCEL)
  77             ulStyle = MB_YESNOCANCEL;
  78         else
  79             ulStyle = MB_YESNO;
  80
  81         if (lStyle & wxNO_DEFAULT)
  82             ulStyle |= MB_DEFBUTTON2;
  83     }
  84
  85     if (lStyle & wxOK)
  86     {
  87         if (lStyle & wxCANCEL)
  88             ulStyle = MB_OKCANCEL;
  89         else
  90             ulStyle = MB_OK;
  91     }
  92     if (lStyle & wxICON_EXCLAMATION)
  93         ulStyle |= MB_ICONEXCLAMATION;
  94     else if (lStyle & wxICON_HAND)
  95         ulStyle |= MB_ICONHAND;
  96     else if (lStyle & wxICON_INFORMATION)
  97         ulStyle |= MB_ICONEXCLAMATION;
  98     else if (lStyle & wxICON_QUESTION)
  99         ulStyle |= MB_ICONQUESTION;
 100
 101     if (hWnd != HWND_DESKTOP)
 102         ulStyle |= MB_APPLMODAL;
 103     else
 104         ulStyle |= MB_SYSTEMMODAL;
 105
 106     //
 107     // This little line of code is get message boxes under OS/2 to
 108     // behve like the other ports.  In OS/2 if the parent is a window
 109     // it displays, clipped, in the window.  This centers it on the
 110     // desktop, like the other ports but still allows control over modality
 111     //
 112     hWnd = HWND_DESKTOP;
 113
 114     ULONG                           ulAns = ::WinMessageBox( hWnd
 115                                                             ,hWnd
 116                                                             ,(PSZ)m_sMessage.c_str()
 117                                                             ,(PSZ)m_sCaption.c_str()
 118                                                             ,0L
 119                                                             ,ulStyle);
 120     switch (ulAns)
 121     {
 122         case MBID_CANCEL:
 123             nAns = wxID_CANCEL;
 124             break;
 125         case MBID_OK:
 126             nAns = wxID_OK;
 127             break;
 128         case MBID_YES:
 129             nAns = wxID_YES;
 130             break;
 131         case MBID_NO:
 132             nAns = wxID_NO;
 133             break;
 134         default:
 135            nAns = wxID_CANCEL;
 136     }
 137     return nAns;
 138 } // end of wxMessageDialog::ShowModal