src/msw/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 and Markus Holzem
   9 // Licence:     wxWindows license
  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 #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 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_dialogStyle = style;
  44     m_parent = parent;
  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     HWND hWnd = 0;
  60     if (m_parent) hWnd = (HWND) m_parent->GetHWND();
  61     unsigned int msStyle = MB_OK;
  62     if (m_dialogStyle & wxYES_NO)
  63     {
  64         if (m_dialogStyle & wxCANCEL)
  65             msStyle = MB_YESNOCANCEL;
  66         else
  67             msStyle = MB_YESNO;
  68
  69         if (m_dialogStyle & wxNO_DEFAULT)
  70             msStyle |= MB_DEFBUTTON2;
  71     }
  72
  73     if (m_dialogStyle & wxOK)
  74     {
  75         if (m_dialogStyle & wxCANCEL)
  76             msStyle = MB_OKCANCEL;
  77         else
  78             msStyle = MB_OK;
  79     }
  80     if (m_dialogStyle & wxICON_EXCLAMATION)
  81         msStyle |= MB_ICONEXCLAMATION;
  82     else if (m_dialogStyle & wxICON_HAND)
  83         msStyle |= MB_ICONHAND;
  84     else if (m_dialogStyle & wxICON_INFORMATION)
  85         msStyle |= MB_ICONINFORMATION;
  86     else if (m_dialogStyle & wxICON_QUESTION)
  87         msStyle |= MB_ICONQUESTION;
  88
  89     if (hWnd)
  90         msStyle |= MB_APPLMODAL;
  91     else
  92         msStyle |= MB_TASKMODAL;
  93
  94     int msAns = MessageBox(hWnd, (LPCTSTR)m_message.c_str(),
  95                            (LPCTSTR)m_caption.c_str(), msStyle);
  96     int ans = wxOK;
  97     switch (msAns)
  98     {
  99         case IDCANCEL:
 100             ans = wxID_CANCEL;
 101             break;
 102         case IDOK:
 103             ans = wxID_OK;
 104             break;
 105         case IDYES:
 106             ans = wxID_YES;
 107             break;
 108         case IDNO:
 109             ans = wxID_NO;
 110             break;
 111     }
 112     return ans;
 113 }
 114