90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/helpchm.h
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// Purpose: Help system: MS HTML Help implementation
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// Author: Julian Smart
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// Modified by:
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// Created: 16/04/2000
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_HELPCHM_H_
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#define _WX_MSW_HELPCHM_H_
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#if wxUSE_MS_HTML_HELP
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#include "wx/helpbase.h"
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class WXDLLIMPEXP_CORE wxCHMHelpController : public wxHelpControllerBase
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{
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public:
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wxCHMHelpController(wxWindow* parentWindow = NULL): wxHelpControllerBase(parentWindow) { }
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// Must call this to set the filename
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virtual bool Initialize(const wxString& file) wxOVERRIDE;
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virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) wxOVERRIDE { return Initialize( file ); }
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// If file is "", reloads file given in Initialize
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virtual bool LoadFile(const wxString& file = wxEmptyString) wxOVERRIDE;
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virtual bool DisplayContents() wxOVERRIDE;
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virtual bool DisplaySection(int sectionNo) wxOVERRIDE;
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virtual bool DisplaySection(const wxString& section) wxOVERRIDE;
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virtual bool DisplayBlock(long blockNo) wxOVERRIDE;
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virtual bool DisplayContextPopup(int contextId) wxOVERRIDE;
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virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos) wxOVERRIDE;
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virtual bool KeywordSearch(const wxString& k,
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wxHelpSearchMode mode = wxHELP_SEARCH_ALL) wxOVERRIDE;
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virtual bool Quit() wxOVERRIDE;
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wxString GetHelpFile() const { return m_helpFile; }
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// helper of DisplayTextPopup(), also used in wxSimpleHelpProvider::ShowHelp
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static bool ShowContextHelpPopup(const wxString& text,
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const wxPoint& pos,
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wxWindow *window);
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protected:
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// get the name of the CHM file we use from our m_helpFile
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wxString GetValidFilename() const;
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// Call HtmlHelp() with the provided parameters (both overloads do the same
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// thing but allow to avoid casts in the calling code) and return false
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// (but don't crash) if HTML help is unavailable
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static bool CallHtmlHelp(wxWindow *win, const wxChar *str,
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unsigned cmd, WXWPARAM param);
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static bool CallHtmlHelp(wxWindow *win, const wxChar *str,
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unsigned cmd, const void *param = NULL)
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{
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return CallHtmlHelp(win, str, cmd, reinterpret_cast<WXWPARAM>(param));
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}
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// even simpler wrappers using GetParentWindow() and GetValidFilename() as
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// the first 2 HtmlHelp() parameters
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bool CallHtmlHelp(unsigned cmd, WXWPARAM param)
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{
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return CallHtmlHelp(GetParentWindow(), GetValidFilename().t_str(),
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cmd, param);
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}
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bool CallHtmlHelp(unsigned cmd, const void *param = NULL)
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{
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return CallHtmlHelp(cmd, reinterpret_cast<WXWPARAM>(param));
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}
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// wrapper around CallHtmlHelp(HH_DISPLAY_TEXT_POPUP): only one of text and
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// contextId parameters can be non-NULL/non-zero
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static bool DoDisplayTextPopup(const wxChar *text,
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const wxPoint& pos,
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int contextId,
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wxWindow *window);
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wxString m_helpFile;
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wxDECLARE_DYNAMIC_CLASS(wxCHMHelpController);
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};
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#endif // wxUSE_MS_HTML_HELP
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#endif // _WX_MSW_HELPCHM_H_
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