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