/////////////////////////////////////////////////////////////////////////////
-// Name: htmlcell.h
+// Name: wx/html/htmlcell.h
// Purpose: wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser
// as a basic visual element of HTML page
// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999-2003 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
#ifndef _WX_HTMLCELL_H_
#define _WX_HTMLCELL_H_
-#if defined(__GNUG__) && !defined(__APPLE__)
-#pragma interface "htmlcell.h"
-#endif
-
#include "wx/defs.h"
#if wxUSE_HTML
#include "wx/window.h"
-class WXDLLEXPORT wxHtmlLinkInfo;
-class WXDLLEXPORT wxHtmlCell;
-class WXDLLEXPORT wxHtmlContainerCell;
+class WXDLLIMPEXP_FWD_HTML wxHtmlWindowInterface;
+class WXDLLIMPEXP_FWD_HTML wxHtmlLinkInfo;
+class WXDLLIMPEXP_FWD_HTML wxHtmlCell;
+class WXDLLIMPEXP_FWD_HTML wxHtmlContainerCell;
// wxHtmlSelection is data holder with information about text selection.
// Selection is defined by two positions (beginning and end of the selection)
// and two leaf(!) cells at these positions.
-class WXDLLEXPORT wxHtmlSelection
+class WXDLLIMPEXP_HTML wxHtmlSelection
{
public:
- wxHtmlSelection()
+ wxHtmlSelection()
: m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
- m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
+ m_fromCharacterPos(-1), m_toCharacterPos(-1),
m_fromCell(NULL), m_toCell(NULL) {}
+ // this version is used for the user selection defined with the mouse
void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
const wxPoint& toPos, const wxHtmlCell *toCell);
void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell);
-
+
const wxHtmlCell *GetFromCell() const { return m_fromCell; }
const wxHtmlCell *GetToCell() const { return m_toCell; }
-
+
// these values are in absolute coordinates:
const wxPoint& GetFromPos() const { return m_fromPos; }
const wxPoint& GetToPos() const { return m_toPos; }
-
+
// these are From/ToCell's private data
- const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; }
- const wxPoint& GetToPrivPos() const { return m_toPrivPos; }
- void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; }
- void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; }
- void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; }
-
- const bool IsEmpty() const
- { return m_fromPos == wxDefaultPosition &&
+ void ClearFromToCharacterPos() { m_toCharacterPos = m_fromCharacterPos = -1; }
+ bool AreFromToCharacterPosSet() const { return m_toCharacterPos != -1 && m_fromCharacterPos != -1; }
+
+ void SetFromCharacterPos (wxCoord pos) { m_fromCharacterPos = pos; }
+ void SetToCharacterPos (wxCoord pos) { m_toCharacterPos = pos; }
+ wxCoord GetFromCharacterPos () const { return m_fromCharacterPos; }
+ wxCoord GetToCharacterPos () const { return m_toCharacterPos; }
+
+ bool IsEmpty() const
+ { return m_fromPos == wxDefaultPosition &&
m_toPos == wxDefaultPosition; }
private:
wxPoint m_fromPos, m_toPos;
- wxPoint m_fromPrivPos, m_toPrivPos;
+ wxCoord m_fromCharacterPos, m_toCharacterPos;
const wxHtmlCell *m_fromCell, *m_toCell;
};
// Selection state is passed to wxHtmlCell::Draw so that it can render itself
// differently e.g. when inside text selection or outside it.
-class WXDLLEXPORT wxHtmlRenderingState
+class WXDLLIMPEXP_HTML wxHtmlRenderingState
{
public:
wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
- void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
+ void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
wxHtmlSelectionState GetSelectionState() const { return m_selState; }
void SetFgColour(const wxColour& c) { m_fgColour = c; }
const wxColour& GetFgColour() const { return m_fgColour; }
void SetBgColour(const wxColour& c) { m_bgColour = c; }
const wxColour& GetBgColour() const { return m_bgColour; }
-
+
private:
wxHtmlSelectionState m_selState;
wxColour m_fgColour, m_bgColour;
// HTML rendering customization. This class is used when rendering wxHtmlCells
// as a callback:
-class WXDLLEXPORT wxHtmlRenderingStyle
+class WXDLLIMPEXP_HTML wxHtmlRenderingStyle
{
public:
+ virtual ~wxHtmlRenderingStyle() {}
virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
};
// Standard style:
-class WXDLLEXPORT wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
+class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
{
public:
virtual wxColour GetSelectedTextColour(const wxColour& clr);
// Information given to cells when drawing them. Contains rendering state,
// selection information and rendering style object that can be used to
// customize the output.
-class WXDLLEXPORT wxHtmlRenderingInfo
+class WXDLLIMPEXP_HTML wxHtmlRenderingInfo
{
public:
wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {}
void SetSelection(wxHtmlSelection *s) { m_selection = s; }
wxHtmlSelection *GetSelection() const { return m_selection; }
-
+
void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; }
wxHtmlRenderingStyle& GetStyle() { return *m_style; }
wxHtmlRenderingState& GetState() { return m_state; }
-
+
protected:
wxHtmlSelection *m_selection;
wxHtmlRenderingStyle *m_style;
};
+// Superscript/subscript/normal script mode of a cell
+enum wxHtmlScriptMode
+{
+ wxHTML_SCRIPT_NORMAL,
+ wxHTML_SCRIPT_SUB,
+ wxHTML_SCRIPT_SUP
+};
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlCell : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject
{
public:
wxHtmlCell();
int GetPosX() const {return m_PosX;}
int GetPosY() const {return m_PosY;}
int GetWidth() const {return m_Width;}
+
+ // Returns the maximum possible length of the cell.
+ // Call Layout at least once before using GetMaxTotalWidth()
+ virtual int GetMaxTotalWidth() const { return m_Width; }
+
int GetHeight() const {return m_Height;}
int GetDescent() const {return m_Descent;}
+ void SetScriptMode(wxHtmlScriptMode mode, long previousBase);
+ wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; }
+ long GetScriptBaseline() { return m_ScriptBaseline; }
+
+ // Formatting cells are not visible on the screen, they only alter
+ // renderer's state.
+ bool IsFormattingCell() const { return m_Width == 0 && m_Height == 0; }
+
const wxString& GetId() const { return m_id; }
void SetId(const wxString& id) { m_id = id; }
int WXUNUSED(y) = 0) const
{ return m_Link; }
+ // Returns cursor to be used when mouse is over the cell:
+ virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
+
+#if WXWIN_COMPATIBILITY_2_6
+ // this was replaced by GetMouseCursor, don't use in new code!
+ virtual wxCursor GetCursor() const;
+#endif
+
// return next cell among parent's cells
wxHtmlCell *GetNext() const {return m_Next;}
// returns first child cell (if there are any, i.e. if this is container):
// returns pointer to anchor news
virtual const wxHtmlCell* Find(int condition, const void* param) const;
+
// This function is called when mouse button is clicked over the cell.
+ // Returns true if a link is clicked, false otherwise.
//
- // Parent is pointer to wxHtmlWindow that generated the event
+ // 'window' is pointer to wxHtmlWindowInterface of the window which
+ // generated the event.
// HINT: if this handling is not enough for you you should use
// wxHtmlWidgetCell
- virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
+ virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
+ const wxPoint& pos,
+ const wxMouseEvent& event);
+
+#if WXWIN_COMPATIBILITY_2_6
+ // this was replaced by ProcessMouseClick, don't use in new code!
+ virtual void OnMouseClick(wxWindow *window,
+ int x, int y, const wxMouseEvent& event);
+#endif
// This method used to adjust pagebreak position. The parameter is variable
// that contains y-coordinate of page break (= horizontal line that should
// Returned value : true if pagebreak was modified, false otherwise
// Usage : while (container->AdjustPagebreak(&p)) {}
virtual bool AdjustPagebreak(int *pagebreak,
- int *known_pagebreaks = NULL,
- int number_of_pages = 0) const;
+ const wxArrayInt& known_pagebreaks,
+ int pageHeight) const;
// Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
// is true - the cell can be split on two pages
+ // If there is no way to fit a cell in the current page size, the cell
+ // is always split, ignoring this setting.
void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
- // Returns y-coordinates that contraint the cell, i.e. left is highest
- // and right lowest coordinate such that the cell lays between then.
- // Note: this method does not return meaningful values if you haven't
- // called Layout() before!
- virtual void GetHorizontalConstraints(int *left, int *right) const;
+ // Can the line be broken before this cell?
+ virtual bool IsLinebreakAllowed() const
+ { return !IsFormattingCell(); }
// Returns true for simple == terminal cells, i.e. not composite ones.
// This if for internal usage only and may disappear in future versions!
- virtual bool IsTerminalCell() const { return TRUE; }
+ virtual bool IsTerminalCell() const { return true; }
// Find a cell inside this cell positioned at the given coordinates
// (relative to this's positions). Returns NULL if no such cell exists.
virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
unsigned flags = wxHTML_FIND_EXACT) const;
- // Returns absolute position of the cell on HTML canvas
- wxPoint GetAbsPos() const;
+ // Returns absolute position of the cell on HTML canvas.
+ // If rootCell is provided, then it's considered to be the root of the
+ // hierarchy and the returned value is relative to it.
+ wxPoint GetAbsPos(wxHtmlCell *rootCell = NULL) const;
+
+ // Returns root cell of the hierarchy (i.e. grand-grand-...-parent that
+ // doesn't have a parent itself)
+ wxHtmlCell *GetRootCell() const;
// Returns first (last) terminal cell inside this cell. It may return NULL,
// but it is rare -- only if there are no terminals in the tree.
- virtual wxHtmlCell *GetFirstTerminal() const
+ virtual wxHtmlCell *GetFirstTerminal() const
{ return wxConstCast(this, wxHtmlCell); }
- virtual wxHtmlCell *GetLastTerminal() const
+ virtual wxHtmlCell *GetLastTerminal() const
{ return wxConstCast(this, wxHtmlCell); }
// Returns cell's depth, i.e. how far under the root cell it is
// (if it is the root, depth is 0)
unsigned GetDepth() const;
-
+
// Returns true if the cell appears before 'cell' in natural order of
// cells (= as they are read). If cell A is (grand)parent of cell B,
// then both A.IsBefore(B) and B.IsBefore(A) always return true.
bool IsBefore(wxHtmlCell *cell) const;
-
+
// Converts the cell into text representation. If sel != NULL then
// only part of the cell inside the selection is converted.
virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const
{ return wxEmptyString; }
protected:
+ // pointer to the next cell
wxHtmlCell *m_Next;
- // pointer to the next cell
+ // pointer to parent cell
wxHtmlContainerCell *m_Parent;
- // pointer to parent cell
+
+ // dimensions of fragment (m_Descent is used to position text & images)
long m_Width, m_Height, m_Descent;
- // dimensions of fragment
- // m_Descent is used to position text&images..
+ // position where the fragment is drawn:
long m_PosX, m_PosY;
- // position where the fragment is drawn
+
+ // superscript/subscript/normal:
+ wxHtmlScriptMode m_ScriptMode;
+ long m_ScriptBaseline;
+
+ // destination address if this fragment is hypertext link, NULL otherwise
wxHtmlLinkInfo *m_Link;
- // destination address if this fragment is hypertext link, NULL otherwise
+ // true if this cell can be placed on pagebreak, false otherwise
bool m_CanLiveOnPagebreak;
- // true if this cell can be placed on pagebreak, false otherwise
+ // unique identifier of the cell, generated from "id" property of tags
wxString m_id;
- // unique identifier of the cell, generated from "id" property of tags
- DECLARE_NO_COPY_CLASS(wxHtmlCell)
+ DECLARE_ABSTRACT_CLASS(wxHtmlCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlCell);
};
// Single word in input stream.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell
+class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell
{
public:
- wxHtmlWordCell(const wxString& word, wxDC& dc);
+ wxHtmlWordCell(const wxString& word, const wxDC& dc);
void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingInfo& info);
- wxString ConvertToText(wxHtmlSelection *sel) const;
+ virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
+ virtual wxString ConvertToText(wxHtmlSelection *sel) const;
+ bool IsLinebreakAllowed() const { return m_allowLinebreak; }
+
+ void SetPreviousWord(wxHtmlWordCell *cell);
protected:
- void SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const;
- void Split(wxDC& dc,
+ virtual wxString GetAllAsText() const
+ { return m_Word; }
+ virtual wxString GetPartAsText(int begin, int end) const
+ { return m_Word.Mid(begin, end - begin); }
+
+ void SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const;
+ void Split(const wxDC& dc,
const wxPoint& selFrom, const wxPoint& selTo,
unsigned& pos1, unsigned& pos2) const;
-
+
wxString m_Word;
+ bool m_allowLinebreak;
+
+ DECLARE_ABSTRACT_CLASS(wxHtmlWordCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlWordCell);
};
+// wxHtmlWordCell specialization for storing text fragments with embedded
+// '\t's; these differ from normal words in that the displayed text is
+// different from the text copied to clipboard
+class WXDLLIMPEXP_HTML wxHtmlWordWithTabsCell : public wxHtmlWordCell
+{
+public:
+ wxHtmlWordWithTabsCell(const wxString& word,
+ const wxString& wordOrig,
+ size_t linepos,
+ const wxDC& dc)
+ : wxHtmlWordCell(word, dc),
+ m_wordOrig(wordOrig),
+ m_linepos(linepos)
+ {}
+
+protected:
+ virtual wxString GetAllAsText() const;
+ virtual wxString GetPartAsText(int begin, int end) const;
+ wxString m_wordOrig;
+ size_t m_linepos;
+};
// Container contains other cells, thus forming tree structure of rendering
// elements. Basic code of layout algorithm is contained in this class.
-class WXDLLEXPORT wxHtmlContainerCell : public wxHtmlCell
+class WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell
{
public:
wxHtmlContainerCell(wxHtmlContainerCell *parent);
- ~wxHtmlContainerCell();
+ virtual ~wxHtmlContainerCell();
virtual void Layout(int w);
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 bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;
+
+ virtual bool AdjustPagebreak(int *pagebreak,
+ const wxArrayInt& known_pagebreaks,
+ int pageHeight) const;
// insert cell at the end of m_Cells list
void InsertCell(wxHtmlCell *cell);
// sets minimal height of this container.
void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
- void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = TRUE; m_BkColour = clr;}
+ void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = true; m_BkColour = clr;}
// returns background colour (of wxNullColour if none set), so that widgets can
// adapt to it:
wxColour GetBackgroundColour();
- void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = TRUE; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
+ void SetBorder(const wxColour& clr1, const wxColour& clr2, int border = 1) {m_Border = border; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
virtual const wxHtmlCell* Find(int condition, const void* param) const;
- virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
- virtual void GetHorizontalConstraints(int *left, int *right) const;
- virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
-#if WXWIN_COMPATIBILITY_2_4
- wxDEPRECATED( wxHtmlCell* GetFirstCell() const );
+#if WXWIN_COMPATIBILITY_2_6
+ // this was replaced by ProcessMouseClick, don't use in new code!
+ virtual void OnMouseClick(wxWindow *window,
+ int x, int y, const wxMouseEvent& event);
#endif
+ virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
+ const wxPoint& pos,
+ const wxMouseEvent& event);
+
+ virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
+
+ // returns last child cell:
+ wxHtmlCell* GetLastChild() const { return m_LastCell; }
// see comment in wxHtmlCell about this method
- virtual bool IsTerminalCell() const { return FALSE; }
+ virtual bool IsTerminalCell() const { return false; }
virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
unsigned flags = wxHTML_FIND_EXACT) const;
-
+
virtual wxHtmlCell *GetFirstTerminal() const;
virtual wxHtmlCell *GetLastTerminal() const;
+
+ // Removes indentation on top or bottom of the container (i.e. above or
+ // below first/last terminal cell). For internal use only.
+ virtual void RemoveExtraSpacing(bool top, bool bottom);
+
+ // Returns the maximum possible length of the container.
+ // Call Layout at least once before using GetMaxTotalWidth()
+ virtual int GetMaxTotalWidth() const { return m_MaxTotalWidth; }
+
protected:
void UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
wxHtmlCell *cell) const;
void UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
wxHtmlCell *cell) const;
-
+
protected:
int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom;
// indentation of subcells. There is always m_Indent pixels
bool m_UseBkColour;
wxColour m_BkColour;
// background color of this container
- bool m_UseBorder;
+ 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_NO_COPY_CLASS(wxHtmlContainerCell)
-};
-
-#if WXWIN_COMPATIBILITY_2_4
-inline wxHtmlCell* wxHtmlContainerCell::GetFirstCell() const
- { return GetFirstChild(); }
-#endif
+ DECLARE_ABSTRACT_CLASS(wxHtmlContainerCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlContainerCell);
+};
// Color changer.
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlColourCell : public wxHtmlCell
+class WXDLLIMPEXP_HTML wxHtmlColourCell : public wxHtmlCell
{
public:
wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
protected:
wxColour m_Colour;
unsigned m_Flags;
+
+ DECLARE_ABSTRACT_CLASS(wxHtmlColourCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlColourCell);
};
// Sets actual font used for text rendering
//--------------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell
+class WXDLLIMPEXP_HTML wxHtmlFontCell : public wxHtmlCell
{
public:
wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); }
protected:
wxFont m_Font;
+
+ DECLARE_ABSTRACT_CLASS(wxHtmlFontCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlFontCell);
};
// (buttons, input boxes etc.)
//--------------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlWidgetCell : public wxHtmlCell
+class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell
{
public:
// !!! wnd must have correct parent!
// it's width according to parent container's width
// (w is percent of parent's width)
wxHtmlWidgetCell(wxWindow *wnd, int w = 0);
- ~wxHtmlWidgetCell() { m_Wnd->Destroy(); }
+ 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,
int m_WidthFloat;
// width float is used in adjustWidth (it is in percents)
- DECLARE_NO_COPY_CLASS(wxHtmlWidgetCell)
+ DECLARE_ABSTRACT_CLASS(wxHtmlWidgetCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlWidgetCell);
};
// Internal data structure. It represents hypertext link
//--------------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlLinkInfo : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject
{
public:
wxHtmlLinkInfo() : wxObject()
// wxHtmlTerminalCellsInterator
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxHtmlTerminalCellsInterator
+class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator
{
public:
wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)
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