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(
  40   wxWindow*                         pParent
  41 , const wxString&                   rsMessage
  42 , const wxString&                   rsCaption
  43 , long                              lStyle
  44 , const wxPoint&                    pPos
  45 )
  46 {
  47     m_sCaption     = rsCaption;
  48     m_sMessage     = rsMessage;
  49     m_pParent      = NULL; // pParent;
  50     SetMessageDialogStyle(lStyle);
  51 } // end of wxMessageDialog::wxMessageDialog
  52
  53 int wxMessageDialog::ShowModal()
  54 {
  55     HWND                            hWnd = 0;
  56     ULONG                           ulStyle = MB_OK;
  57     int                             nAns = wxOK;
  58     const long                      lStyle = GetMessageDialogStyle();
  59
  60     if (!wxTheApp->GetTopWindow())
  61     {
  62         //
  63         // when the message box is shown from wxApp::OnInit() (i.e. before the
  64         // message loop is entered), this must be done or the next message box
  65         // will never be shown - just try putting 2 calls to wxMessageBox() in
  66         // OnInit() to see it
  67         //
  68         while (wxTheApp->Pending())
  69             wxTheApp->Dispatch();
  70     }
  71
  72     if (m_pParent)
  73         hWnd = (HWND) m_pParent->GetHWND();
  74     else
  75         hWnd = HWND_DESKTOP;
  76     if (lStyle & wxYES_NO)
  77     {
  78         if (lStyle & wxCANCEL)
  79             ulStyle = MB_YESNOCANCEL;
  80         else
  81             ulStyle = MB_YESNO;
  82
  83         if (lStyle & wxNO_DEFAULT)
  84             ulStyle |= MB_DEFBUTTON2;
  85     }
  86
  87     if (lStyle & wxOK)
  88     {
  89         if (lStyle & wxCANCEL)
  90             ulStyle = MB_OKCANCEL;
  91         else
  92             ulStyle = MB_OK;
  93     }
  94     if (lStyle & wxICON_EXCLAMATION)
  95         ulStyle |= MB_ICONEXCLAMATION;
  96     else if (lStyle & wxICON_HAND)
  97         ulStyle |= MB_ICONHAND;
  98     else if (lStyle & wxICON_INFORMATION)
  99         ulStyle |= MB_ICONEXCLAMATION;
 100     else if (lStyle & wxICON_QUESTION)
 101         ulStyle |= MB_ICONQUESTION;
 102
 103     if (hWnd != HWND_DESKTOP)
 104         ulStyle |= MB_APPLMODAL;
 105     else
 106         ulStyle |= MB_SYSTEMMODAL;
 107
 108     //
 109     // This little line of code is get message boxes under OS/2 to
 110     // behve like the other ports.  In OS/2 if the parent is a window
 111     // it displays, clipped, in the window.  This centers it on the
 112     // desktop, like the other ports but still allows control over modality
 113     //
 114     hWnd = HWND_DESKTOP;
 115
 116     ULONG                           ulAns = ::WinMessageBox( hWnd
 117                                                             ,hWnd
 118                                                             ,(PSZ)m_sMessage.c_str()
 119                                                             ,(PSZ)m_sCaption.c_str()
 120                                                             ,0L
 121                                                             ,ulStyle);
 122     switch (ulAns)
 123     {
 124         case MBID_CANCEL:
 125             nAns = wxID_CANCEL;
 126             break;
 127         case MBID_OK:
 128             nAns = wxID_OK;
 129             break;
 130         case MBID_YES:
 131             nAns = wxID_YES;
 132             break;
 133         case MBID_NO:
 134             nAns = wxID_NO;
 135             break;
 136         default:
 137            nAns = wxID_CANCEL;
 138     }
 139     return nAns;
 140 } // end of wxMessageDialog::ShowModal
 141