include/wx/generic/progdlgg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        progdlgg.h
   3 // Purpose:     wxProgressDialog class
   4 // Author:      Karsten Ballüder
   5 // Modified by:
   6 // Created:     09.05.1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Karsten Ballüder
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __PROGDLGH_G__
  13 #define __PROGDLGH_G__
  14
  15 #ifdef __GNUG__
  16 #pragma interface "progdlgg.h"
  17 #endif
  18
  19 #include "wx/setup.h"
  20 #include "wx/frame.h"
  21
  22
  23
  24 /** Progress dialog which shows a moving progress bar.
  25     Taken from the Mahogany project.*/
  26
  27 class WXDLLEXPORT wxProgressDialog : public wxFrame
  28 {
  29 DECLARE_DYNAMIC_CLASS(wxProgressDialog)
  30 public:
  31    /** Creates and displays dialog, disables event handling for other
  32        frames or parent frame to avoid recursion problems.
  33        @param title title for window
  34        @param message message to display in window
  35        @param maximum maximum value for status bar, if <= 0, no bar is shown
  36        @param parent window or NULL
  37        @param disableParentOnly if true, only disable parent window's
  38        event handling
  39        @param abortButton if true, dialog will show an abort button
  40    */
  41    wxProgressDialog(const wxString &title, wxString const &message,
  42                    int maximum = 100,
  43                    wxWindow *parent = NULL,
  44                    bool disableParentOnly = FALSE,
  45                    bool abortButton = FALSE);
  46    /** Destructor.
  47        Re-enables event handling for other windows.
  48    */
  49    ~wxProgressDialog();
  50
  51    /** Update the status bar to the new value.
  52        @param value new value
  53        @param newmsg if used, new message to display
  54        @returns true if ABORT button has not been pressed
  55    */
  56    bool Update(int value = -1, const char *newmsg = NULL);
  57
  58    /** Can be called to continue after the cancel button has been pressed, but
  59        the program decided to continue the operation (e.g., user didn't
  60        configrm it)
  61    */
  62    void Resume() { m_state = Continue; }
  63
  64    /// Callback for optional abort button
  65    void OnCancel(wxEvent& WXUNUSED(event)) { m_state = Canceled; }
  66
  67    /// callback to disable "hard" window closing
  68    void OnClose(wxCloseEvent& event);
  69
  70 private:
  71    /// the status bar
  72    class wxGauge *m_gauge;
  73    /// the message displayed
  74    class wxStaticText *m_msg;
  75    /// disable all or parent window only
  76    bool m_disableParentOnly;
  77    /// parent window
  78    class wxWindow *m_parent;
  79    /// continue processing or not (return value for Update())
  80    enum
  81    {
  82       Uncancelable = -1,   // dialog can't be canceled
  83       Canceled,            // can be cancelled and, in fact, was
  84       Continue             // can be cancelled but wasn't
  85    } m_state;
  86
  87    DECLARE_EVENT_TABLE()
  88 };
  89 #endif
  90     // __PROGDLGH_G__