src/msw/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/msgdlg.cpp
   3 // Purpose:     wxMessageDialog
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "msgdlg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/app.h"
  25     #include "wx/defs.h"
  26     #include "wx/utils.h"
  27     #include "wx/dialog.h"
  28     #include "wx/msgdlg.h"
  29 #endif
  30
  31 #include "wx/msw/private.h"
  32
  33 // For MB_TASKMODAL
  34 #ifdef __WXWINCE__
  35 #include "wx/msw/wince/missing.h"
  36 #endif
  37
  38 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  39
  40 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  41                                  const wxString& message,
  42                                  const wxString& caption,
  43                                  long style,
  44                                  const wxPoint& WXUNUSED(pos))
  45 {
  46     m_caption = caption;
  47     m_message = message;
  48     m_parent = parent;
  49     SetMessageDialogStyle(style);
  50 }
  51
  52 int wxMessageDialog::ShowModal()
  53 {
  54     if ( !wxTheApp->GetTopWindow() )
  55     {
  56         // when the message box is shown from wxApp::OnInit() (i.e. before the
  57         // message loop is entered), this must be done or the next message box
  58         // will never be shown - just try putting 2 calls to wxMessageBox() in
  59         // OnInit() to see it
  60         while ( wxTheApp->Pending() )
  61             wxTheApp->Dispatch();
  62     }
  63
  64     // use the top level window as parent if none specified
  65     if ( !m_parent )
  66         m_parent = FindSuitableParent();
  67     HWND hWnd = m_parent ? GetHwndOf(m_parent) : NULL;
  68
  69     // translate wx style in MSW
  70     unsigned int msStyle = MB_OK;
  71     const long wxStyle = GetMessageDialogStyle();
  72     if (wxStyle & wxYES_NO)
  73     {
  74 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
  75         if (wxStyle & wxCANCEL)
  76             msStyle = MB_YESNOCANCEL;
  77         else
  78 #endif // !(__SMARTPHONE__ && __WXWINCE__)
  79             msStyle = MB_YESNO;
  80
  81         if (wxStyle & wxNO_DEFAULT)
  82             msStyle |= MB_DEFBUTTON2;
  83     }
  84
  85     if (wxStyle & wxOK)
  86     {
  87         if (wxStyle & wxCANCEL)
  88             msStyle = MB_OKCANCEL;
  89         else
  90             msStyle = MB_OK;
  91     }
  92     if (wxStyle & wxICON_EXCLAMATION)
  93         msStyle |= MB_ICONEXCLAMATION;
  94     else if (wxStyle & wxICON_HAND)
  95         msStyle |= MB_ICONHAND;
  96     else if (wxStyle & wxICON_INFORMATION)
  97         msStyle |= MB_ICONINFORMATION;
  98     else if (wxStyle & wxICON_QUESTION)
  99         msStyle |= MB_ICONQUESTION;
 100
 101     if ( wxStyle & wxSTAY_ON_TOP )
 102         msStyle |= MB_TOPMOST;
 103
 104     if (hWnd)
 105         msStyle |= MB_APPLMODAL;
 106     else
 107         msStyle |= MB_TASKMODAL;
 108
 109     // do show the dialog
 110     int msAns = MessageBox(hWnd, m_message.c_str(), m_caption.c_str(), msStyle);
 111     int ans;
 112     switch (msAns)
 113     {
 114         default:
 115             wxFAIL_MSG(_T("unexpected ::MessageBox() return code"));
 116             // fall through
 117
 118         case IDCANCEL:
 119             ans = wxID_CANCEL;
 120             break;
 121         case IDOK:
 122             ans = wxID_OK;
 123             break;
 124         case IDYES:
 125             ans = wxID_YES;
 126             break;
 127         case IDNO:
 128             ans = wxID_NO;
 129             break;
 130     }
 131     return ans;
 132 }
 133