include/wx/msw/msgdlg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/msgdlg.h
   3 // Purpose:     wxMessageDialog class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSGBOXDLG_H_
  13 #define _WX_MSGBOXDLG_H_
  14
  15 class WXDLLIMPEXP_CORE wxMessageDialog : public wxMessageDialogBase
  16 {
  17 public:
  18     wxMessageDialog(wxWindow *parent,
  19                     const wxString& message,
  20                     const wxString& caption = wxMessageBoxCaptionStr,
  21                     long style = wxOK|wxCENTRE,
  22                     const wxPoint& WXUNUSED(pos) = wxDefaultPosition)
  23         : wxMessageDialogBase(parent, message, caption, style)
  24     {
  25         m_hook = NULL;
  26     }
  27
  28     virtual int ShowModal();
  29
  30     virtual long GetEffectiveIcon() const;
  31
  32     // implementation-specific
  33
  34     // return the font used for the text in the message box
  35     static wxFont GetMessageFont();
  36
  37 protected:
  38     // Override this as task dialogs are always centered on parent.
  39     virtual void DoCentre(int dir);
  40
  41 private:
  42     // hook procedure used to adjust the message box beyond what the standard
  43     // MessageBox() function can do for us
  44     static WXLRESULT wxCALLBACK HookFunction(int code, WXWPARAM, WXLPARAM);
  45
  46     static const struct ButtonAccessors
  47     {
  48         int id;
  49         wxString (wxMessageDialog::*getter)() const;
  50     } ms_buttons[];
  51
  52     // replace the static text control with a text control in order to show
  53     // scrollbar (and also, incidentally, allow text selection)
  54     void ReplaceStaticWithEdit();
  55
  56     // adjust the button labels
  57     //
  58     // this is called from HookFunction() and our HWND is valid at this moment
  59     void AdjustButtonLabels();
  60
  61     // offset all buttons starting from the first one given by dx to the right
  62     void OffsetButtonsStartingFrom(int first, int dx);
  63
  64     // used by ShowModal() to display a message box when task dialogs
  65     // aren't available.
  66     int ShowMessageBox();
  67
  68
  69     WXHANDLE m_hook; // HHOOK used to position the message box
  70
  71     wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMessageDialog);
  72 };
  73
  74
  75 #endif // _WX_MSGBOXDLG_H_