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