include/wx/generic/logg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/logg.h
   3 // Purpose:     Assorted wxLogXXX functions, and wxLog (sink for logs)
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   _WX_LOGG_H_
  13 #define   _WX_LOGG_H_
  14
  15 #if wxUSE_GUI
  16
  17 class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
  18 class WXDLLIMPEXP_FWD_CORE wxLogFrame;
  19 class WXDLLIMPEXP_FWD_CORE wxWindow;
  20
  21 // ----------------------------------------------------------------------------
  22 // the following log targets are only compiled in if the we're compiling the
  23 // GUI part (andnot just the base one) of the library, they're implemented in
  24 // src/generic/logg.cpp *and not src/common/log.cpp unlike all the rest)
  25 // ----------------------------------------------------------------------------
  26
  27 #if wxUSE_TEXTCTRL
  28
  29 // log everything to a text window (GUI only of course)
  30 class WXDLLIMPEXP_CORE wxLogTextCtrl : public wxLog
  31 {
  32 public:
  33     wxLogTextCtrl(wxTextCtrl *pTextCtrl);
  34
  35 protected:
  36     // implement sink function
  37     virtual void DoLogText(const wxString& msg);
  38
  39 private:
  40     // the control we use
  41     wxTextCtrl *m_pTextCtrl;
  42
  43     wxDECLARE_NO_COPY_CLASS(wxLogTextCtrl);
  44 };
  45
  46 #endif // wxUSE_TEXTCTRL
  47
  48 // ----------------------------------------------------------------------------
  49 // GUI log target, the default one for wxWidgets programs
  50 // ----------------------------------------------------------------------------
  51
  52 #if wxUSE_LOGGUI
  53
  54 class WXDLLIMPEXP_CORE wxLogGui : public wxLog
  55 {
  56 public:
  57     // ctor
  58     wxLogGui();
  59
  60     // show all messages that were logged since the last Flush()
  61     virtual void Flush();
  62
  63 protected:
  64     virtual void DoLogRecord(wxLogLevel level,
  65                              const wxString& msg,
  66                              const wxLogRecordInfo& info);
  67
  68     // return the title to be used for the log dialog, depending on m_bErrors
  69     // and m_bWarnings values
  70     wxString GetTitle() const;
  71
  72     // return the icon (one of wxICON_XXX constants) to be used for the dialog
  73     // depending on m_bErrors/m_bWarnings
  74     int GetSeverityIcon() const;
  75
  76     // empty everything
  77     void Clear();
  78
  79
  80     wxArrayString m_aMessages;      // the log message texts
  81     wxArrayInt    m_aSeverity;      // one of wxLOG_XXX values
  82     wxArrayLong   m_aTimes;         // the time of each message
  83     bool          m_bErrors,        // do we have any errors?
  84                   m_bWarnings,      // any warnings?
  85                   m_bHasMessages;   // any messages at all?
  86
  87 private:
  88     // this method is called to show a single log message, it uses
  89     // wxMessageBox() by default
  90     virtual void DoShowSingleLogMessage(const wxString& message,
  91                                         const wxString& title,
  92                                         int style);
  93
  94     // this method is called to show multiple log messages, it uses wxLogDialog
  95     virtual void DoShowMultipleLogMessages(const wxArrayString& messages,
  96                                            const wxArrayInt& severities,
  97                                            const wxArrayLong& times,
  98                                            const wxString& title,
  99                                            int style);
 100 };
 101
 102 #endif // wxUSE_LOGGUI
 103
 104 // ----------------------------------------------------------------------------
 105 // (background) log window: this class forwards all log messages to the log
 106 // target which was active when it was instantiated, but also collects them
 107 // to the log window. This window has it's own menu which allows the user to
 108 // close it, clear the log contents or save it to the file.
 109 // ----------------------------------------------------------------------------
 110
 111 #if wxUSE_LOGWINDOW
 112
 113 class WXDLLIMPEXP_CORE wxLogWindow : public wxLogPassThrough
 114 {
 115 public:
 116     wxLogWindow(wxWindow *pParent,        // the parent frame (can be NULL)
 117                 const wxString& szTitle,  // the title of the frame
 118                 bool bShow = true,        // show window immediately?
 119                 bool bPassToOld = true);  // pass messages to the old target?
 120
 121     virtual ~wxLogWindow();
 122
 123     // window operations
 124         // show/hide the log window
 125     void Show(bool bShow = true);
 126         // retrieve the pointer to the frame
 127     wxFrame *GetFrame() const;
 128
 129     // overridables
 130         // called immediately after the log frame creation allowing for
 131         // any extra initializations
 132     virtual void OnFrameCreate(wxFrame *frame);
 133         // called if the user closes the window interactively, will not be
 134         // called if it is destroyed for another reason (such as when program
 135         // exits) - return true from here to allow the frame to close, false
 136         // to prevent this from happening
 137     virtual bool OnFrameClose(wxFrame *frame);
 138         // called right before the log frame is going to be deleted: will
 139         // always be called unlike OnFrameClose()
 140     virtual void OnFrameDelete(wxFrame *frame);
 141
 142 protected:
 143     virtual void DoLogTextAtLevel(wxLogLevel level, const wxString& msg);
 144
 145 private:
 146     wxLogFrame *m_pLogFrame;      // the log frame
 147
 148     wxDECLARE_NO_COPY_CLASS(wxLogWindow);
 149 };
 150
 151 #endif // wxUSE_LOGWINDOW
 152
 153 #endif // wxUSE_GUI
 154
 155 #endif  // _WX_LOGG_H_
 156