3aaaf1aaa0
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60363 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
693 lines
26 KiB
C++
693 lines
26 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: htmlcell.h
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// Purpose: wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser
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// as a basic visual element of HTML page
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// Author: Vaclav Slavik
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// RCS-ID: $Id$
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// Copyright: (c) 1999-2003 Vaclav Slavik
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_HTMLCELL_H_
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#define _WX_HTMLCELL_H_
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#include "wx/defs.h"
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#if wxUSE_HTML
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#include "wx/html/htmltag.h"
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#include "wx/html/htmldefs.h"
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#include "wx/window.h"
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class WXDLLIMPEXP_FWD_HTML wxHtmlWindowInterface;
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class WXDLLIMPEXP_FWD_HTML wxHtmlLinkInfo;
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class WXDLLIMPEXP_FWD_HTML wxHtmlCell;
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class WXDLLIMPEXP_FWD_HTML wxHtmlContainerCell;
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// wxHtmlSelection is data holder with information about text selection.
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// Selection is defined by two positions (beginning and end of the selection)
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// and two leaf(!) cells at these positions.
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class WXDLLIMPEXP_HTML wxHtmlSelection
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{
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public:
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wxHtmlSelection()
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: m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
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m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
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m_fromCell(NULL), m_toCell(NULL) {}
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void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
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const wxPoint& toPos, const wxHtmlCell *toCell);
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void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell);
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const wxHtmlCell *GetFromCell() const { return m_fromCell; }
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const wxHtmlCell *GetToCell() const { return m_toCell; }
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// these values are in absolute coordinates:
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const wxPoint& GetFromPos() const { return m_fromPos; }
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const wxPoint& GetToPos() const { return m_toPos; }
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// these are From/ToCell's private data
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const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; }
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const wxPoint& GetToPrivPos() const { return m_toPrivPos; }
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void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; }
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void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; }
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void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; }
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bool IsEmpty() const
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{ return m_fromPos == wxDefaultPosition &&
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m_toPos == wxDefaultPosition; }
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private:
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wxPoint m_fromPos, m_toPos;
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wxPoint m_fromPrivPos, m_toPrivPos;
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const wxHtmlCell *m_fromCell, *m_toCell;
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};
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enum wxHtmlSelectionState
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{
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wxHTML_SEL_OUT, // currently rendered cell is outside the selection
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wxHTML_SEL_IN, // ... is inside selection
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wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
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};
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// Selection state is passed to wxHtmlCell::Draw so that it can render itself
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// differently e.g. when inside text selection or outside it.
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class WXDLLIMPEXP_HTML wxHtmlRenderingState
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{
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public:
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wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
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void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
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wxHtmlSelectionState GetSelectionState() const { return m_selState; }
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void SetFgColour(const wxColour& c) { m_fgColour = c; }
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const wxColour& GetFgColour() const { return m_fgColour; }
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void SetBgColour(const wxColour& c) { m_bgColour = c; }
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const wxColour& GetBgColour() const { return m_bgColour; }
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private:
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wxHtmlSelectionState m_selState;
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wxColour m_fgColour, m_bgColour;
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};
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// HTML rendering customization. This class is used when rendering wxHtmlCells
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// as a callback:
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class WXDLLIMPEXP_HTML wxHtmlRenderingStyle
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{
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public:
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virtual ~wxHtmlRenderingStyle() {}
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virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
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virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
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};
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// Standard style:
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class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
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{
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public:
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virtual wxColour GetSelectedTextColour(const wxColour& clr);
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virtual wxColour GetSelectedTextBgColour(const wxColour& clr);
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};
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// Information given to cells when drawing them. Contains rendering state,
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// selection information and rendering style object that can be used to
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// customize the output.
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class WXDLLIMPEXP_HTML wxHtmlRenderingInfo
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{
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public:
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wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {}
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void SetSelection(wxHtmlSelection *s) { m_selection = s; }
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wxHtmlSelection *GetSelection() const { return m_selection; }
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void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; }
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wxHtmlRenderingStyle& GetStyle() { return *m_style; }
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wxHtmlRenderingState& GetState() { return m_state; }
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protected:
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wxHtmlSelection *m_selection;
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wxHtmlRenderingStyle *m_style;
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wxHtmlRenderingState m_state;
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};
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// Flags for wxHtmlCell::FindCellByPos
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enum
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{
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wxHTML_FIND_EXACT = 1,
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wxHTML_FIND_NEAREST_BEFORE = 2,
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wxHTML_FIND_NEAREST_AFTER = 4
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};
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// Superscript/subscript/normal script mode of a cell
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enum wxHtmlScriptMode
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{
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wxHTML_SCRIPT_NORMAL,
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wxHTML_SCRIPT_SUB,
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wxHTML_SCRIPT_SUP
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};
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// ---------------------------------------------------------------------------
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// wxHtmlCell
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// Internal data structure. It represents fragments of parsed
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// HTML page - a word, picture, table, horizontal line and so
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// on. It is used by wxHtmlWindow to represent HTML page in
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// memory.
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// ---------------------------------------------------------------------------
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class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject
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{
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public:
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wxHtmlCell();
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virtual ~wxHtmlCell();
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void SetParent(wxHtmlContainerCell *p) {m_Parent = p;}
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wxHtmlContainerCell *GetParent() const {return m_Parent;}
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int GetPosX() const {return m_PosX;}
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int GetPosY() const {return m_PosY;}
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int GetWidth() const {return m_Width;}
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// Returns the maximum possible length of the cell.
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// Call Layout at least once before using GetMaxTotalWidth()
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virtual int GetMaxTotalWidth() const { return m_Width; }
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int GetHeight() const {return m_Height;}
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int GetDescent() const {return m_Descent;}
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void SetScriptMode(wxHtmlScriptMode mode, long previousBase);
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wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; }
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long GetScriptBaseline() { return m_ScriptBaseline; }
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// Formatting cells are not visible on the screen, they only alter
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// renderer's state.
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bool IsFormattingCell() const { return m_Width == 0 && m_Height == 0; }
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const wxString& GetId() const { return m_id; }
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void SetId(const wxString& id) { m_id = id; }
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// returns the link associated with this cell. The position is position
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// within the cell so it varies from 0 to m_Width, from 0 to m_Height
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virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
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int WXUNUSED(y) = 0) const
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{ return m_Link; }
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// Returns cursor to be used when mouse is over the cell:
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virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
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#if WXWIN_COMPATIBILITY_2_6
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// this was replaced by GetMouseCursor, don't use in new code!
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virtual wxCursor GetCursor() const;
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#endif
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// return next cell among parent's cells
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wxHtmlCell *GetNext() const {return m_Next;}
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// returns first child cell (if there are any, i.e. if this is container):
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virtual wxHtmlCell* GetFirstChild() const { return NULL; }
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// members writing methods
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virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;}
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void SetLink(const wxHtmlLinkInfo& link);
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void SetNext(wxHtmlCell *cell) {m_Next = cell;}
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// 1. adjust cell's width according to the fact that maximal possible width
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// is w. (this has sense when working with horizontal lines, tables
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// etc.)
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// 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height)
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// members) = place items to fit window, according to the width w
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virtual void Layout(int w);
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// renders the cell
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virtual void Draw(wxDC& WXUNUSED(dc),
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int WXUNUSED(x), int WXUNUSED(y),
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int WXUNUSED(view_y1), int WXUNUSED(view_y2),
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wxHtmlRenderingInfo& WXUNUSED(info)) {}
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// proceed drawing actions in case the cell is not visible (scrolled out of
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// screen). This is needed to change fonts, colors and so on.
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virtual void DrawInvisible(wxDC& WXUNUSED(dc),
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int WXUNUSED(x), int WXUNUSED(y),
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wxHtmlRenderingInfo& WXUNUSED(info)) {}
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// This method returns pointer to the FIRST cell for that
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// the condition
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// is true. It first checks if the condition is true for this
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// cell and then calls m_Next->Find(). (Note: it checks
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// all subcells if the cell is container)
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// Condition is unique condition identifier (see htmldefs.h)
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// (user-defined condition IDs should start from 10000)
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// and param is optional parameter
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// Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news");
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// returns pointer to anchor news
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virtual const wxHtmlCell* Find(int condition, const void* param) const;
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// This function is called when mouse button is clicked over the cell.
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// Returns true if a link is clicked, false otherwise.
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//
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// 'window' is pointer to wxHtmlWindowInterface of the window which
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// generated the event.
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// HINT: if this handling is not enough for you you should use
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// wxHtmlWidgetCell
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virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
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const wxPoint& pos,
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const wxMouseEvent& event);
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#if WXWIN_COMPATIBILITY_2_6
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// this was replaced by ProcessMouseClick, don't use in new code!
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virtual void OnMouseClick(wxWindow *window,
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int x, int y, const wxMouseEvent& event);
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#endif
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// This method used to adjust pagebreak position. The parameter is variable
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// that contains y-coordinate of page break (= horizontal line that should
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// not be crossed by words, images etc.). If this cell cannot be divided
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// into two pieces (each one on another page) then it moves the pagebreak
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// few pixels up.
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//
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// Returned value : true if pagebreak was modified, false otherwise
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// Usage : while (container->AdjustPagebreak(&p)) {}
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virtual bool AdjustPagebreak(int *pagebreak,
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wxArrayInt& known_pagebreaks) const;
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// Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
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// is true - the cell can be split on two pages
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void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
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// Can the line be broken before this cell?
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virtual bool IsLinebreakAllowed() const
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{ return !IsFormattingCell(); }
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// Returns true for simple == terminal cells, i.e. not composite ones.
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// This if for internal usage only and may disappear in future versions!
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virtual bool IsTerminalCell() const { return true; }
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// Find a cell inside this cell positioned at the given coordinates
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// (relative to this's positions). Returns NULL if no such cell exists.
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// The flag can be used to specify whether to look for terminal or
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// nonterminal cells or both. In either case, returned cell is deepest
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// cell in cells tree that contains [x,y].
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virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
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unsigned flags = wxHTML_FIND_EXACT) const;
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// Returns absolute position of the cell on HTML canvas.
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// If rootCell is provided, then it's considered to be the root of the
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// hierarchy and the returned value is relative to it.
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wxPoint GetAbsPos(wxHtmlCell *rootCell = NULL) const;
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// Returns root cell of the hierarchy (i.e. grand-grand-...-parent that
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// doesn't have a parent itself)
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wxHtmlCell *GetRootCell() const;
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// Returns first (last) terminal cell inside this cell. It may return NULL,
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// but it is rare -- only if there are no terminals in the tree.
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virtual wxHtmlCell *GetFirstTerminal() const
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{ return wxConstCast(this, wxHtmlCell); }
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virtual wxHtmlCell *GetLastTerminal() const
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{ return wxConstCast(this, wxHtmlCell); }
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// Returns cell's depth, i.e. how far under the root cell it is
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// (if it is the root, depth is 0)
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unsigned GetDepth() const;
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// Returns true if the cell appears before 'cell' in natural order of
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// cells (= as they are read). If cell A is (grand)parent of cell B,
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// then both A.IsBefore(B) and B.IsBefore(A) always return true.
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bool IsBefore(wxHtmlCell *cell) const;
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// Converts the cell into text representation. If sel != NULL then
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// only part of the cell inside the selection is converted.
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virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const
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{ return wxEmptyString; }
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protected:
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// pointer to the next cell
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wxHtmlCell *m_Next;
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// pointer to parent cell
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wxHtmlContainerCell *m_Parent;
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// dimensions of fragment (m_Descent is used to position text & images)
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long m_Width, m_Height, m_Descent;
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// position where the fragment is drawn:
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long m_PosX, m_PosY;
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// superscript/subscript/normal:
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wxHtmlScriptMode m_ScriptMode;
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long m_ScriptBaseline;
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// destination address if this fragment is hypertext link, NULL otherwise
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wxHtmlLinkInfo *m_Link;
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// true if this cell can be placed on pagebreak, false otherwise
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bool m_CanLiveOnPagebreak;
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// unique identifier of the cell, generated from "id" property of tags
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wxString m_id;
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DECLARE_ABSTRACT_CLASS(wxHtmlCell)
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wxDECLARE_NO_COPY_CLASS(wxHtmlCell);
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};
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// ----------------------------------------------------------------------------
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// Inherited cells:
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxHtmlWordCell
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// Single word in input stream.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell
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{
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public:
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wxHtmlWordCell(const wxString& word, const wxDC& dc);
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void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
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wxHtmlRenderingInfo& info);
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virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
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virtual wxString ConvertToText(wxHtmlSelection *sel) const;
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bool IsLinebreakAllowed() const { return m_allowLinebreak; }
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void SetPreviousWord(wxHtmlWordCell *cell);
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protected:
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virtual wxString GetAllAsText() const
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{ return m_Word; }
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virtual wxString GetPartAsText(int begin, int end) const
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{ return m_Word.Mid(begin, end - begin); }
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void SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const;
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void Split(const wxDC& dc,
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const wxPoint& selFrom, const wxPoint& selTo,
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unsigned& pos1, unsigned& pos2) const;
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wxString m_Word;
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bool m_allowLinebreak;
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DECLARE_ABSTRACT_CLASS(wxHtmlWordCell)
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wxDECLARE_NO_COPY_CLASS(wxHtmlWordCell);
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};
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// wxHtmlWordCell specialization for storing text fragments with embedded
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// '\t's; these differ from normal words in that the displayed text is
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// different from the text copied to clipboard
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class WXDLLIMPEXP_HTML wxHtmlWordWithTabsCell : public wxHtmlWordCell
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{
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public:
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wxHtmlWordWithTabsCell(const wxString& word,
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const wxString& wordOrig,
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size_t linepos,
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const wxDC& dc)
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: wxHtmlWordCell(word, dc),
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m_wordOrig(wordOrig),
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m_linepos(linepos)
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{}
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protected:
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virtual wxString GetAllAsText() const;
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virtual wxString GetPartAsText(int begin, int end) const;
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wxString m_wordOrig;
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size_t m_linepos;
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};
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// Container contains other cells, thus forming tree structure of rendering
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// elements. Basic code of layout algorithm is contained in this class.
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class WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell
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{
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public:
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wxHtmlContainerCell(wxHtmlContainerCell *parent);
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virtual ~wxHtmlContainerCell();
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virtual void Layout(int w);
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virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
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wxHtmlRenderingInfo& info);
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virtual void DrawInvisible(wxDC& dc, int x, int y,
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wxHtmlRenderingInfo& info);
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/* virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;*/
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virtual bool AdjustPagebreak(int *pagebreak, wxArrayInt& known_pagebreaks) const;
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// insert cell at the end of m_Cells list
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void InsertCell(wxHtmlCell *cell);
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// sets horizontal/vertical alignment
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void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;}
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int GetAlignHor() const {return m_AlignHor;}
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void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;}
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int GetAlignVer() const {return m_AlignVer;}
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// sets left-border indentation. units is one of wxHTML_UNITS_* constants
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// what is combination of wxHTML_INDENT_*
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void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
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// returns the indentation. ind is one of wxHTML_INDENT_* constants
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int GetIndent(int ind) const;
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// returns type of value returned by GetIndent(ind)
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int GetIndentUnits(int ind) const;
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// sets alignment info based on given tag's params
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void SetAlign(const wxHtmlTag& tag);
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// sets floating width adjustment
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// (examples : 32 percent of parent container,
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// -15 pixels percent (this means 100 % - 15 pixels)
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void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;}
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void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
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// sets minimal height of this container.
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void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
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void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = true; m_BkColour = clr;}
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// returns background colour (of wxNullColour if none set), so that widgets can
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// adapt to it:
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wxColour GetBackgroundColour();
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void SetBorder(const wxColour& clr1, const wxColour& clr2, int border = 1) {m_Border = border; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
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virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
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virtual const wxHtmlCell* Find(int condition, const void* param) const;
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#if WXWIN_COMPATIBILITY_2_6
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// this was replaced by ProcessMouseClick, don't use in new code!
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virtual void OnMouseClick(wxWindow *window,
|
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int x, int y, const wxMouseEvent& event);
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#endif
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virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
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const wxPoint& pos,
|
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const wxMouseEvent& event);
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virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
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|
|
|
// returns last child cell:
|
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wxHtmlCell* GetLastChild() const { return m_LastCell; }
|
|
|
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// see comment in wxHtmlCell about this method
|
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virtual bool IsTerminalCell() const { return false; }
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|
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virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
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unsigned flags = wxHTML_FIND_EXACT) const;
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virtual wxHtmlCell *GetFirstTerminal() const;
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|
virtual wxHtmlCell *GetLastTerminal() const;
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|
|
|
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// Removes indentation on top or bottom of the container (i.e. above or
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// below first/last terminal cell). For internal use only.
|
|
virtual void RemoveExtraSpacing(bool top, bool bottom);
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|
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// Returns the maximum possible length of the container.
|
|
// Call Layout at least once before using GetMaxTotalWidth()
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virtual int GetMaxTotalWidth() const { return m_MaxTotalWidth; }
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protected:
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void UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
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wxHtmlCell *cell) const;
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void UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
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|
wxHtmlCell *cell) const;
|
|
|
|
protected:
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|
int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom;
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|
// indentation of subcells. There is always m_Indent pixels
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|
// big space between given border of the container and the subcells
|
|
// it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels
|
|
int m_MinHeight, m_MinHeightAlign;
|
|
// minimal height.
|
|
wxHtmlCell *m_Cells, *m_LastCell;
|
|
// internal cells, m_Cells points to the first of them, m_LastCell to the last one.
|
|
// (LastCell is needed only to speed-up InsertCell)
|
|
int m_AlignHor, m_AlignVer;
|
|
// alignment horizontal and vertical (left, center, right)
|
|
int m_WidthFloat, m_WidthFloatUnits;
|
|
// width float is used in adjustWidth
|
|
bool m_UseBkColour;
|
|
wxColour m_BkColour;
|
|
// background color of this container
|
|
int m_Border;
|
|
// border size. Draw only if m_Border > 0
|
|
wxColour m_BorderColour1, m_BorderColour2;
|
|
// borders color of this container
|
|
int m_LastLayout;
|
|
// if != -1 then call to Layout may be no-op
|
|
// if previous call to Layout has same argument
|
|
int m_MaxTotalWidth;
|
|
// Maximum possible length if ignoring line wrap
|
|
|
|
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlContainerCell)
|
|
wxDECLARE_NO_COPY_CLASS(wxHtmlContainerCell);
|
|
};
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// wxHtmlColourCell
|
|
// Color changer.
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlColourCell : public wxHtmlCell
|
|
{
|
|
public:
|
|
wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
|
|
virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
|
|
wxHtmlRenderingInfo& info);
|
|
virtual void DrawInvisible(wxDC& dc, int x, int y,
|
|
wxHtmlRenderingInfo& info);
|
|
|
|
protected:
|
|
wxColour m_Colour;
|
|
unsigned m_Flags;
|
|
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlColourCell)
|
|
wxDECLARE_NO_COPY_CLASS(wxHtmlColourCell);
|
|
};
|
|
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// wxHtmlFontCell
|
|
// Sets actual font used for text rendering
|
|
//--------------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlFontCell : public wxHtmlCell
|
|
{
|
|
public:
|
|
wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); }
|
|
virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
|
|
wxHtmlRenderingInfo& info);
|
|
virtual void DrawInvisible(wxDC& dc, int x, int y,
|
|
wxHtmlRenderingInfo& info);
|
|
|
|
protected:
|
|
wxFont m_Font;
|
|
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlFontCell)
|
|
wxDECLARE_NO_COPY_CLASS(wxHtmlFontCell);
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// wxHtmlwidgetCell
|
|
// This cell is connected with wxWindow object
|
|
// You can use it to insert windows into HTML page
|
|
// (buttons, input boxes etc.)
|
|
//--------------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell
|
|
{
|
|
public:
|
|
// !!! wnd must have correct parent!
|
|
// if w != 0 then the m_Wnd has 'floating' width - it adjust
|
|
// it's width according to parent container's width
|
|
// (w is percent of parent's width)
|
|
wxHtmlWidgetCell(wxWindow *wnd, int w = 0);
|
|
virtual ~wxHtmlWidgetCell() { m_Wnd->Destroy(); }
|
|
virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
|
|
wxHtmlRenderingInfo& info);
|
|
virtual void DrawInvisible(wxDC& dc, int x, int y,
|
|
wxHtmlRenderingInfo& info);
|
|
virtual void Layout(int w);
|
|
|
|
protected:
|
|
wxWindow* m_Wnd;
|
|
int m_WidthFloat;
|
|
// width float is used in adjustWidth (it is in percents)
|
|
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlWidgetCell)
|
|
wxDECLARE_NO_COPY_CLASS(wxHtmlWidgetCell);
|
|
};
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// wxHtmlLinkInfo
|
|
// Internal data structure. It represents hypertext link
|
|
//--------------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject
|
|
{
|
|
public:
|
|
wxHtmlLinkInfo() : wxObject()
|
|
{ m_Href = m_Target = wxEmptyString; m_Event = NULL, m_Cell = NULL; }
|
|
wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject()
|
|
{ m_Href = href; m_Target = target; m_Event = NULL, m_Cell = NULL; }
|
|
wxHtmlLinkInfo(const wxHtmlLinkInfo& l) : wxObject()
|
|
{ m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
|
|
m_Cell = l.m_Cell; }
|
|
wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l)
|
|
{ m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
|
|
m_Cell = l.m_Cell; return *this; }
|
|
|
|
void SetEvent(const wxMouseEvent *e) { m_Event = e; }
|
|
void SetHtmlCell(const wxHtmlCell *e) { m_Cell = e; }
|
|
|
|
wxString GetHref() const { return m_Href; }
|
|
wxString GetTarget() const { return m_Target; }
|
|
const wxMouseEvent* GetEvent() const { return m_Event; }
|
|
const wxHtmlCell* GetHtmlCell() const { return m_Cell; }
|
|
|
|
private:
|
|
wxString m_Href, m_Target;
|
|
const wxMouseEvent *m_Event;
|
|
const wxHtmlCell *m_Cell;
|
|
};
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxHtmlTerminalCellsInterator
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator
|
|
{
|
|
public:
|
|
wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)
|
|
: m_to(to), m_pos(from) {}
|
|
|
|
operator bool() const { return m_pos != NULL; }
|
|
const wxHtmlCell* operator++();
|
|
const wxHtmlCell* operator->() const { return m_pos; }
|
|
const wxHtmlCell* operator*() const { return m_pos; }
|
|
|
|
private:
|
|
const wxHtmlCell *m_to, *m_pos;
|
|
};
|
|
|
|
|
|
|
|
#endif // wxUSE_HTML
|
|
|
|
#endif // _WX_HTMLCELL_H_
|
|
|