include/wx/html/helpctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/html/helpctrl.h
   3 // Purpose:     wxHtmlHelpController
   4 // Notes:       Based on htmlhelp.cpp, implementing a monolithic
   5 //              HTML Help controller class,  by Vaclav Slavik
   6 // Author:      Harm van der Heijden and Vaclav Slavik
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_HELPCTRL_H_
  13 #define _WX_HELPCTRL_H_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_WXHTML_HELP
  18
  19 #include "wx/helpbase.h"
  20 #include "wx/html/helpfrm.h"
  21
  22 #define wxID_HTML_HELPFRAME   (wxID_HIGHEST + 1)
  23
  24 // This style indicates that the window is
  25 // embedded in the application and must not be
  26 // destroyed by the help controller.
  27 #define wxHF_EMBEDDED                0x00008000
  28
  29 // Create a dialog for the help window.
  30 #define wxHF_DIALOG                  0x00010000
  31
  32 // Create a frame for the help window.
  33 #define wxHF_FRAME                   0x00020000
  34
  35 // Make the dialog modal when displaying help.
  36 #define wxHF_MODAL                   0x00040000
  37
  38 class WXDLLIMPEXP_FWD_HTML wxHtmlHelpDialog;
  39 class WXDLLIMPEXP_FWD_HTML wxHtmlHelpWindow;
  40 class WXDLLIMPEXP_FWD_HTML wxHtmlHelpFrame;
  41 class WXDLLIMPEXP_FWD_HTML wxHtmlHelpDialog;
  42
  43 class WXDLLIMPEXP_HTML wxHtmlHelpController : public wxHelpControllerBase // wxEvtHandler
  44 {
  45     DECLARE_DYNAMIC_CLASS(wxHtmlHelpController)
  46
  47 public:
  48     wxHtmlHelpController(int style = wxHF_DEFAULT_STYLE, wxWindow* parentWindow = NULL);
  49     wxHtmlHelpController(wxWindow* parentWindow, int style = wxHF_DEFAULT_STYLE);
  50
  51     virtual ~wxHtmlHelpController();
  52
  53     void SetShouldPreventAppExit(bool enable);
  54
  55     void SetTitleFormat(const wxString& format);
  56     void SetTempDir(const wxString& path) { m_helpData.SetTempDir(path); }
  57     bool AddBook(const wxString& book_url, bool show_wait_msg = false);
  58     bool AddBook(const wxFileName& book_file, bool show_wait_msg = false);
  59
  60     bool Display(const wxString& x);
  61     bool Display(int id);
  62     bool DisplayContents();
  63     bool DisplayIndex();
  64     bool KeywordSearch(const wxString& keyword,
  65                        wxHelpSearchMode mode = wxHELP_SEARCH_ALL);
  66
  67     wxHtmlHelpWindow* GetHelpWindow() { return m_helpWindow; }
  68     void SetHelpWindow(wxHtmlHelpWindow* helpWindow);
  69
  70     wxHtmlHelpFrame* GetFrame() { return m_helpFrame; }
  71     wxHtmlHelpDialog* GetDialog() { return m_helpDialog; }
  72
  73 #if wxUSE_CONFIG
  74     void UseConfig(wxConfigBase *config, const wxString& rootpath = wxEmptyString);
  75
  76     // Assigns config object to the Ctrl. This config is then
  77     // used in subsequent calls to Read/WriteCustomization of both help
  78     // Ctrl and it's wxHtmlWindow
  79     virtual void ReadCustomization(wxConfigBase *cfg, const wxString& path = wxEmptyString);
  80     virtual void WriteCustomization(wxConfigBase *cfg, const wxString& path = wxEmptyString);
  81 #endif // wxUSE_CONFIG
  82
  83     //// Backward compatibility with wxHelpController API
  84
  85     virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) { return Initialize(file); }
  86     virtual bool Initialize(const wxString& file);
  87     virtual void SetViewer(const wxString& WXUNUSED(viewer), long WXUNUSED(flags) = 0) {}
  88     virtual bool LoadFile(const wxString& file = wxT(""));
  89     virtual bool DisplaySection(int sectionNo);
  90     virtual bool DisplaySection(const wxString& section) { return Display(section); }
  91     virtual bool DisplayBlock(long blockNo) { return DisplaySection(blockNo); }
  92     virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos);
  93
  94     virtual void SetFrameParameters(const wxString& titleFormat,
  95                                const wxSize& size,
  96                                const wxPoint& pos = wxDefaultPosition,
  97                                bool newFrameEachTime = false);
  98     /// Obtains the latest settings used by the help frame and the help
  99     /// frame.
 100     virtual wxFrame *GetFrameParameters(wxSize *size = NULL,
 101                                wxPoint *pos = NULL,
 102                                bool *newFrameEachTime = NULL);
 103
 104     // Get direct access to help data:
 105     wxHtmlHelpData *GetHelpData() { return &m_helpData; }
 106
 107     virtual bool Quit() ;
 108     virtual void OnQuit() {}
 109
 110     void OnCloseFrame(wxCloseEvent& evt);
 111
 112     // Make the help controller's frame 'modal' if
 113     // needed
 114     void MakeModalIfNeeded();
 115
 116     // Find the top-most parent window
 117     wxWindow* FindTopLevelWindow();
 118
 119 protected:
 120     void Init(int style);
 121
 122     virtual wxWindow* CreateHelpWindow();
 123     virtual wxHtmlHelpFrame* CreateHelpFrame(wxHtmlHelpData *data);
 124     virtual wxHtmlHelpDialog* CreateHelpDialog(wxHtmlHelpData *data);
 125     virtual void DestroyHelpWindow();
 126
 127     wxHtmlHelpData      m_helpData;
 128     wxHtmlHelpWindow*   m_helpWindow;
 129 #if wxUSE_CONFIG
 130     wxConfigBase *      m_Config;
 131     wxString            m_ConfigRoot;
 132 #endif // wxUSE_CONFIG
 133     wxString            m_titleFormat;
 134     int                 m_FrameStyle;
 135     wxHtmlHelpFrame*    m_helpFrame;
 136     wxHtmlHelpDialog*   m_helpDialog;
 137
 138     bool                m_shouldPreventAppExit;
 139
 140     wxDECLARE_NO_COPY_CLASS(wxHtmlHelpController);
 141 };
 142
 143 /*
 144  * wxHtmlModalHelp
 145  * A convenience class particularly for use on wxMac,
 146  * where you can only show modal dialogs from a modal
 147  * dialog.
 148  *
 149  * Use like this:
 150  *
 151  * wxHtmlModalHelp help(parent, filename, topic);
 152  *
 153  * If topic is empty, the help contents is displayed.
 154  */
 155
 156 class WXDLLIMPEXP_HTML wxHtmlModalHelp
 157 {
 158 public:
 159     wxHtmlModalHelp(wxWindow* parent, const wxString& helpFile, const wxString& topic = wxEmptyString,
 160         int style = wxHF_DEFAULT_STYLE | wxHF_DIALOG | wxHF_MODAL);
 161 };
 162
 163 #endif // wxUSE_WXHTML_HELP
 164
 165 #endif // _WX_HELPCTRL_H_