2003-06-01 09:35:26 -04:00
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/htmllbox.h
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// Purpose: wxHtmlListBox is a listbox whose items are wxHtmlCells
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 31.05.03
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// RCS-ID: $Id$
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// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_HTMLLBOX_H_
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#define _WX_HTMLLBOX_H_
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#include "wx/vlbox.h" // base class
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2003-07-04 09:04:05 -04:00
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class WXDLLIMPEXP_HTML wxHtmlCell;
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class WXDLLIMPEXP_HTML wxHtmlWinParser;
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class WXDLLIMPEXP_HTML wxHtmlListBoxCache;
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class WXDLLIMPEXP_HTML wxHtmlListBoxStyle;
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2003-06-01 09:35:26 -04:00
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// ----------------------------------------------------------------------------
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// wxHtmlListBox
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// ----------------------------------------------------------------------------
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2003-07-04 09:04:05 -04:00
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class WXDLLIMPEXP_HTML wxHtmlListBox : public wxVListBox
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2003-06-01 09:35:26 -04:00
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{
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2003-08-08 17:23:33 -04:00
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DECLARE_ABSTRACT_CLASS(wxHtmlListBox)
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2003-06-01 09:35:26 -04:00
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public:
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// constructors and such
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// ---------------------
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// default constructor, you must call Create() later
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wxHtmlListBox() { Init(); }
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// normal constructor which calls Create() internally
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wxHtmlListBox(wxWindow *parent,
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wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxVListBoxNameStr)
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{
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Init();
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2003-06-11 07:47:09 -04:00
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(void)Create(parent, id, pos, size, style, name);
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2003-06-01 09:35:26 -04:00
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}
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// really creates the control and sets the initial number of items in it
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// (which may be changed later with SetItemCount())
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//
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// the only special style which may be specified here is wxLB_MULTIPLE
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//
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// returns true on success or false if the control couldn't be created
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bool Create(wxWindow *parent,
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wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxVListBoxNameStr);
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// destructor cleans up whatever resources we use
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virtual ~wxHtmlListBox();
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2003-06-26 06:05:13 -04:00
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// override some base class virtuals
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2003-06-02 19:02:12 -04:00
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virtual void RefreshAll();
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virtual void SetItemCount(size_t count);
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2003-06-01 09:35:26 -04:00
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protected:
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// this method must be implemented in the derived class and should return
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// the body (i.e. without <html>) of the HTML for the given item
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virtual wxString OnGetItem(size_t n) const = 0;
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// this function may be overridden to decorate HTML returned by OnGetItem()
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virtual wxString OnGetItemMarkup(size_t n) const;
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2003-06-13 18:26:45 -04:00
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// this method allows to customize the selection appearance: it may be used
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// to specify the colour of the text which normally has the given colour
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// colFg when it is inside the selection
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//
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// by default, the original colour is not used at all and all text has the
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// same (default for this system) colour inside selection
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virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;
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// this is the same as GetSelectedTextColour() but allows to customize the
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// background colour -- this is even more rarely used as you can change it
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// globally using SetSelectionBackground()
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virtual wxColour GetSelectedTextBgColour(const wxColour& colBg) const;
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2003-06-01 09:35:26 -04:00
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// we implement both of these functions in terms of OnGetItem(), they are
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// not supposed to be overridden by our descendants
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virtual void OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const;
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virtual wxCoord OnMeasureItem(size_t n) const;
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2003-06-02 19:02:12 -04:00
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// event handlers
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void OnSize(wxSizeEvent& event);
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// common part of all ctors
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void Init();
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// ensure that the given item is cached
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void CacheItem(size_t n) const;
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private:
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// this class caches the pre-parsed HTML to speed up display
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wxHtmlListBoxCache *m_cache;
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// HTML parser we use
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wxHtmlWinParser *m_htmlParser;
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2003-06-02 19:02:12 -04:00
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2003-06-13 18:26:45 -04:00
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// rendering style for the parser which allows us to customize our colours
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wxHtmlListBoxStyle *m_htmlRendStyle;
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// it calls our GetSelectedTextColour() and GetSelectedTextBgColour()
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friend class wxHtmlListBoxStyle;
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2003-06-02 19:02:12 -04:00
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DECLARE_EVENT_TABLE()
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2003-07-30 17:36:38 -04:00
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DECLARE_NO_COPY_CLASS(wxHtmlListBox)
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2003-06-01 09:35:26 -04:00
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};
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#endif // _WX_HTMLLBOX_H_
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