src/os2/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msgdlg.cpp
   3 // Purpose:     wxMessageDialog
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-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 #endif
  27
  28 #include "wx/os2/private.h"
  29
  30 #include <math.h>
  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_lDialogStyle = lStyle;
  50     m_pParent      = NULL; // pParent;
  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
  59     if (!wxTheApp->GetTopWindow())
  60     {
  61         //
  62         // when the message box is shown from wxApp::OnInit() (i.e. before the
  63         // message loop is entered), this must be done or the next message box
  64         // will never be shown - just try putting 2 calls to wxMessageBox() in
  65         // OnInit() to see it
  66         //
  67         while (wxTheApp->Pending())
  68             wxTheApp->Dispatch();
  69     }
  70
  71     if (m_pParent)
  72         hWnd = (HWND) m_pParent->GetHWND();
  73     else
  74         hWnd = HWND_DESKTOP;
  75     if (m_lDialogStyle & wxYES_NO)
  76     {
  77         if (m_lDialogStyle & wxCANCEL)
  78             ulStyle = MB_YESNOCANCEL;
  79         else
  80             ulStyle = MB_YESNO;
  81
  82         if (m_lDialogStyle & wxNO_DEFAULT)
  83             ulStyle |= MB_DEFBUTTON2;
  84     }
  85
  86     if (m_lDialogStyle & wxOK)
  87     {
  88         if (m_lDialogStyle & wxCANCEL)
  89             ulStyle = MB_OKCANCEL;
  90         else
  91             ulStyle = MB_OK;
  92     }
  93     if (m_lDialogStyle & wxICON_EXCLAMATION)
  94         ulStyle |= MB_ICONEXCLAMATION;
  95     else if (m_lDialogStyle & wxICON_HAND)
  96         ulStyle |= MB_ICONHAND;
  97     else if (m_lDialogStyle & wxICON_INFORMATION)
  98         ulStyle |= MB_ICONEXCLAMATION;
  99     else if (m_lDialogStyle & wxICON_QUESTION)
 100         ulStyle |= MB_ICONQUESTION;
 101
 102     if (hWnd != HWND_DESKTOP)
 103         ulStyle |= MB_APPLMODAL;
 104     else
 105         ulStyle |= MB_SYSTEMMODAL;
 106
 107     //
 108     // This little line of code is get message boxes under OS/2 to
 109     // behve like the other ports.  In OS/2 if the parent is a window
 110     // it displays, clipped, in the window.  This centers it on the
 111     // desktop, like the other ports but still allows control over modality
 112     //
 113     hWnd = HWND_DESKTOP;
 114
 115     ULONG                           ulAns = ::WinMessageBox( hWnd
 116                                                             ,hWnd
 117                                                             ,(PSZ)m_sMessage.c_str()
 118                                                             ,(PSZ)m_sCaption.c_str()
 119                                                             ,0L
 120                                                             ,ulStyle);
 121     switch (ulAns)
 122     {
 123         case MBID_CANCEL:
 124             nAns = wxID_CANCEL;
 125             break;
 126         case MBID_OK:
 127             nAns = wxID_OK;
 128             break;
 129         case MBID_YES:
 130             nAns = wxID_YES;
 131             break;
 132         case MBID_NO:
 133             nAns = wxID_NO;
 134             break;
 135         default:
 136            nAns = wxID_CANCEL;
 137     }
 138     return nAns;
 139 } // end of wxMessageDialog::ShowModal
 140