// Modified by:
// Created: 31.05.03
// RCS-ID: $Id$
-// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#define _WX_HTMLLBOX_H_
#include "wx/vlbox.h" // base class
+#include "wx/html/htmlwin.h"
-class WXDLLEXPORT wxHtmlCell;
-class WXDLLEXPORT wxHtmlWinParser;
-class WXDLLEXPORT wxHtmlListBoxCache;
+#if wxUSE_FILESYSTEM
+ #include "wx/filesys.h"
+#endif // wxUSE_FILESYSTEM
+
+class WXDLLIMPEXP_HTML wxHtmlCell;
+class WXDLLIMPEXP_HTML wxHtmlWinParser;
+class WXDLLIMPEXP_HTML wxHtmlListBoxCache;
+class WXDLLIMPEXP_HTML wxHtmlListBoxStyle;
// ----------------------------------------------------------------------------
// wxHtmlListBox
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlListBox : public wxVListBox
+class WXDLLIMPEXP_HTML wxHtmlListBox : public wxVListBox,
+ public wxHtmlWindowInterface,
+ public wxHtmlWindowMouseHelper
{
+ DECLARE_ABSTRACT_CLASS(wxHtmlListBox)
public:
// constructors and such
// ---------------------
// default constructor, you must call Create() later
- wxHtmlListBox() { Init(); }
+ wxHtmlListBox();
// normal constructor which calls Create() internally
wxHtmlListBox(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
- size_t countItems = 0,
long style = 0,
- const wxString& name = wxVListBoxNameStr)
- {
- Init();
-
- (void)Create(parent, id, pos, size, countItems, style, name);
- }
+ const wxString& name = wxVListBoxNameStr);
// really creates the control and sets the initial number of items in it
// (which may be changed later with SetItemCount())
//
- // there are no special styles defined for wxVListBox
+ // the only special style which may be specified here is wxLB_MULTIPLE
//
// returns true on success or false if the control couldn't be created
bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
- size_t countItems = 0,
long style = 0,
const wxString& name = wxVListBoxNameStr);
// destructor cleans up whatever resources we use
virtual ~wxHtmlListBox();
+ // override some base class virtuals
+ virtual void RefreshLine(size_t line);
+ virtual void RefreshLines(size_t from, size_t to);
+ virtual void RefreshAll();
+ virtual void SetItemCount(size_t count);
+
+
+#if wxUSE_FILESYSTEM
+ // retrieve the file system used by the wxHtmlWinParser: if you use
+ // relative paths in your HTML, you should use its ChangePathTo() method
+ wxFileSystem& GetFileSystem() { return m_filesystem; }
+ const wxFileSystem& GetFileSystem() const { return m_filesystem; }
+#endif // wxUSE_FILESYSTEM
+
+ virtual void OnInternalIdle();
+
protected:
// this method must be implemented in the derived class and should return
// the body (i.e. without <html>) of the HTML for the given item
virtual wxString OnGetItemMarkup(size_t n) const;
+ // this method allows to customize the selection appearance: it may be used
+ // to specify the colour of the text which normally has the given colour
+ // colFg when it is inside the selection
+ //
+ // by default, the original colour is not used at all and all text has the
+ // same (default for this system) colour inside selection
+ virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;
+
+ // this is the same as GetSelectedTextColour() but allows to customize the
+ // background colour -- this is even more rarely used as you can change it
+ // globally using SetSelectionBackground()
+ virtual wxColour GetSelectedTextBgColour(const wxColour& colBg) const;
+
+
// we implement both of these functions in terms of OnGetItem(), they are
// not supposed to be overridden by our descendants
virtual void OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const;
virtual wxCoord OnMeasureItem(size_t n) const;
+ // This method may be overriden to handle clicking on a link in
+ // the listbox. By default, clicking links is ignored.
+ virtual void OnLinkClicked(size_t WXUNUSED(n),
+ const wxHtmlLinkInfo& WXUNUSED(link)) {}
+
+ // event handlers
+ void OnSize(wxSizeEvent& event);
+ void OnMouseMove(wxMouseEvent& event);
+ void OnLeftDown(wxMouseEvent& event);
+
// common part of all ctors
void Init();
void CacheItem(size_t n) const;
private:
+ // wxHtmlWindowInterface methods:
+ virtual void SetHTMLWindowTitle(const wxString& title);
+ virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link);
+ virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type,
+ const wxString& url,
+ wxString *redirect) const;
+ virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell,
+ const wxPoint& pos) const;
+ virtual wxWindow* GetHTMLWindow();
+ virtual wxColour GetHTMLBackgroundColour() const;
+ virtual void SetHTMLBackgroundColour(const wxColour& clr);
+ virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg);
+ virtual void SetHTMLStatusText(const wxString& text);
+ virtual wxCursor GetHTMLCursor(HTMLCursor type) const;
+
+ // returns index of item that contains given HTML cell
+ size_t GetItemForCell(const wxHtmlCell *cell) const;
+
+ // return physical coordinates of root wxHtmlCell of n-th item
+ wxPoint GetRootCellCoords(size_t n) const;
+
+ // Converts physical coordinates stored in @a pos into coordinates
+ // relative to the root cell of the item under mouse cursor, if any. If no
+ // cell is found under the cursor, returns false. Otherwise stores the new
+ // coordinates back into @a pos and pointer to the cell under cursor into
+ // @a cell and returns true.
+ bool PhysicalCoordsToCell(wxPoint& pos, wxHtmlCell*& cell) const;
+
+ // The opposite of PhysicalCoordsToCell: converts coordinates relative to
+ // given cell to physical coordinates in the window
+ wxPoint CellCoordsToPhysical(const wxPoint& pos, wxHtmlCell *cell) const;
+
+private:
+ // this class caches the pre-parsed HTML to speed up display
wxHtmlListBoxCache *m_cache;
// HTML parser we use
wxHtmlWinParser *m_htmlParser;
+
+#if wxUSE_FILESYSTEM
+ // file system used by m_htmlParser
+ wxFileSystem m_filesystem;
+#endif // wxUSE_FILESYSTEM
+
+ // rendering style for the parser which allows us to customize our colours
+ wxHtmlListBoxStyle *m_htmlRendStyle;
+
+
+ // it calls our GetSelectedTextColour() and GetSelectedTextBgColour()
+ friend class wxHtmlListBoxStyle;
+ friend class wxHtmlListBoxWinInterface;
+
+
+ DECLARE_EVENT_TABLE()
+ DECLARE_NO_COPY_CLASS(wxHtmlListBox)
};
#endif // _WX_HTMLLBOX_H_
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