include/wx/generic/helpxlp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpxlp.h
   3 // Purpose:     Help system: wxHelp implementation
   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 #ifndef __HELPXLPH__
  13 #define __HELPXLPH__
  14
  15 #ifdef __GNUG__
  16 #pragma interface "helpxlp.h"
  17 #endif
  18
  19 #include <stdio.h>
  20 #include "wx/wx.h"
  21
  22 #if wxUSE_HELP
  23
  24 #include "wx/helpbase.h"
  25
  26 #ifdef __WXMSW__
  27     #include "wx/dde.h"
  28 #else
  29     #include "wx/sckipc.h"
  30 #endif
  31
  32 class WXDLLEXPORT wxXLPHelpController;
  33
  34 // Connection class for implementing the connection between the
  35 // wxHelp process and the application
  36 class WXDLLEXPORT wxXLPHelpConnection: public
  37
  38 #ifdef __WXMSW__
  39  wxDDEConnection
  40 #else
  41  wxTCPConnection
  42 #endif
  43
  44 {
  45   friend class wxXLPHelpController;
  46
  47   DECLARE_DYNAMIC_CLASS(wxXLPHelpConnection)
  48
  49  public:
  50
  51   wxXLPHelpConnection(wxXLPHelpController *instance);
  52   bool OnDisconnect(void);
  53
  54  private:
  55   wxXLPHelpController *helpInstance;
  56 };
  57
  58 // Connection class for implementing the client process
  59 // controlling the wxHelp process
  60 class WXDLLEXPORT wxXLPHelpClient: public
  61
  62 #ifdef __WXMSW__
  63  wxDDEClient
  64 #else
  65  wxTCPClient
  66 #endif
  67
  68 {
  69 DECLARE_CLASS(wxXLPHelpClient)
  70
  71         friend class WXDLLEXPORT wxXLPHelpController;
  72 public:
  73   wxXLPHelpClient(wxXLPHelpController* c) { m_controller = c; }
  74
  75   wxConnectionBase *OnMakeConnection(void)
  76     { return new wxXLPHelpConnection(m_controller);
  77     }
  78 protected:
  79   wxXLPHelpController* m_controller;
  80 };
  81
  82 // An application can have one or more instances of wxHelp,
  83 // represented by an object of this class.
  84 // Nothing happens on initial creation; the application
  85 // must call a member function to display help.
  86 // If the instance of wxHelp is already active, that instance
  87 // will be used for subsequent help.
  88
  89 class WXDLLEXPORT wxXLPHelpController: public wxHelpControllerBase
  90 {
  91   friend class WXDLLEXPORT wxXLPHelpConnection;
  92   DECLARE_CLASS(wxXLPHelpController)
  93
  94  public:
  95   wxXLPHelpController(void);
  96   ~wxXLPHelpController(void);
  97
  98   // Must call this to set the filename and server name
  99   virtual bool Initialize(const wxString& file, int server = -1);
 100   // If file is "", reloads file given in Initialize
 101   virtual bool LoadFile(const wxString& file = "");
 102   virtual bool DisplayContents(void);
 103   virtual bool DisplaySection(int sectionNo);
 104   virtual bool DisplayBlock(long blockNo);
 105   virtual bool KeywordSearch(const wxString& k);
 106
 107   virtual bool Quit(void);
 108   virtual void OnQuit(void);
 109
 110   // Private
 111   bool Run(void);
 112
 113  protected:
 114   wxString                              helpFile;
 115   wxString                              helpHost;
 116   int                                   helpServer;
 117   bool                                  helpRunning;
 118   wxXLPHelpConnection*  helpConnection;
 119   wxXLPHelpClient               helpClient;
 120 private:
 121   virtual bool Initialize(const wxString& file) { return(wxHelpControllerBase::Initialize(file)); };
 122 };
 123
 124 #endif // wxUSE_HELP
 125 #endif
 126     // __HELPXLPH__