c0c133e13b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58757 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
692 lines
26 KiB
C++
692 lines
26 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: 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
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_HTMLCELL_H_
|
|
#define _WX_HTMLCELL_H_
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#if wxUSE_HTML
|
|
|
|
#include "wx/html/htmltag.h"
|
|
#include "wx/html/htmldefs.h"
|
|
#include "wx/window.h"
|
|
|
|
|
|
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 WXDLLIMPEXP_HTML wxHtmlSelection
|
|
{
|
|
public:
|
|
wxHtmlSelection()
|
|
: m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
|
|
m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
|
|
m_fromCell(NULL), m_toCell(NULL) {}
|
|
|
|
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; }
|
|
|
|
bool IsEmpty() const
|
|
{ return m_fromPos == wxDefaultPosition &&
|
|
m_toPos == wxDefaultPosition; }
|
|
|
|
private:
|
|
wxPoint m_fromPos, m_toPos;
|
|
wxPoint m_fromPrivPos, m_toPrivPos;
|
|
const wxHtmlCell *m_fromCell, *m_toCell;
|
|
};
|
|
|
|
|
|
|
|
enum wxHtmlSelectionState
|
|
{
|
|
wxHTML_SEL_OUT, // currently rendered cell is outside the selection
|
|
wxHTML_SEL_IN, // ... is inside selection
|
|
wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
|
|
};
|
|
|
|
// Selection state is passed to wxHtmlCell::Draw so that it can render itself
|
|
// differently e.g. when inside text selection or outside it.
|
|
class WXDLLIMPEXP_HTML wxHtmlRenderingState
|
|
{
|
|
public:
|
|
wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
|
|
|
|
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 WXDLLIMPEXP_HTML wxHtmlRenderingStyle
|
|
{
|
|
public:
|
|
virtual ~wxHtmlRenderingStyle() {}
|
|
virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
|
|
virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
|
|
};
|
|
|
|
// Standard style:
|
|
class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
|
|
{
|
|
public:
|
|
virtual wxColour GetSelectedTextColour(const wxColour& clr);
|
|
virtual wxColour GetSelectedTextBgColour(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 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;
|
|
wxHtmlRenderingState m_state;
|
|
};
|
|
|
|
|
|
// Flags for wxHtmlCell::FindCellByPos
|
|
enum
|
|
{
|
|
wxHTML_FIND_EXACT = 1,
|
|
wxHTML_FIND_NEAREST_BEFORE = 2,
|
|
wxHTML_FIND_NEAREST_AFTER = 4
|
|
};
|
|
|
|
|
|
// Superscript/subscript/normal script mode of a cell
|
|
enum wxHtmlScriptMode
|
|
{
|
|
wxHTML_SCRIPT_NORMAL,
|
|
wxHTML_SCRIPT_SUB,
|
|
wxHTML_SCRIPT_SUP
|
|
};
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// wxHtmlCell
|
|
// Internal data structure. It represents fragments of parsed
|
|
// HTML page - a word, picture, table, horizontal line and so
|
|
// on. It is used by wxHtmlWindow to represent HTML page in
|
|
// memory.
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject
|
|
{
|
|
public:
|
|
wxHtmlCell();
|
|
virtual ~wxHtmlCell();
|
|
|
|
void SetParent(wxHtmlContainerCell *p) {m_Parent = p;}
|
|
wxHtmlContainerCell *GetParent() const {return m_Parent;}
|
|
|
|
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; }
|
|
|
|
// returns the link associated with this cell. The position is position
|
|
// within the cell so it varies from 0 to m_Width, from 0 to m_Height
|
|
virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
|
|
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):
|
|
virtual wxHtmlCell* GetFirstChild() const { return NULL; }
|
|
|
|
// members writing methods
|
|
virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;}
|
|
void SetLink(const wxHtmlLinkInfo& link);
|
|
void SetNext(wxHtmlCell *cell) {m_Next = cell;}
|
|
|
|
// 1. adjust cell's width according to the fact that maximal possible width
|
|
// is w. (this has sense when working with horizontal lines, tables
|
|
// etc.)
|
|
// 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height)
|
|
// members) = place items to fit window, according to the width w
|
|
virtual void Layout(int w);
|
|
|
|
// renders the cell
|
|
virtual void Draw(wxDC& WXUNUSED(dc),
|
|
int WXUNUSED(x), int WXUNUSED(y),
|
|
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
|
|
wxHtmlRenderingInfo& WXUNUSED(info)) {}
|
|
|
|
// proceed drawing actions in case the cell is not visible (scrolled out of
|
|
// screen). This is needed to change fonts, colors and so on.
|
|
virtual void DrawInvisible(wxDC& WXUNUSED(dc),
|
|
int WXUNUSED(x), int WXUNUSED(y),
|
|
wxHtmlRenderingInfo& WXUNUSED(info)) {}
|
|
|
|
// This method returns pointer to the FIRST cell for that
|
|
// the condition
|
|
// is true. It first checks if the condition is true for this
|
|
// cell and then calls m_Next->Find(). (Note: it checks
|
|
// all subcells if the cell is container)
|
|
// Condition is unique condition identifier (see htmldefs.h)
|
|
// (user-defined condition IDs should start from 10000)
|
|
// and param is optional parameter
|
|
// Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news");
|
|
// 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.
|
|
//
|
|
// '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 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
|
|
// not be crossed by words, images etc.). If this cell cannot be divided
|
|
// into two pieces (each one on another page) then it moves the pagebreak
|
|
// few pixels up.
|
|
//
|
|
// Returned value : true if pagebreak was modified, false otherwise
|
|
// Usage : while (container->AdjustPagebreak(&p)) {}
|
|
virtual bool AdjustPagebreak(int *pagebreak,
|
|
wxArrayInt& known_pagebreaks) const;
|
|
|
|
// Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
|
|
// is true - the cell can be split on two pages
|
|
void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
|
|
|
|
// 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; }
|
|
|
|
// Find a cell inside this cell positioned at the given coordinates
|
|
// (relative to this's positions). Returns NULL if no such cell exists.
|
|
// The flag can be used to specify whether to look for terminal or
|
|
// nonterminal cells or both. In either case, returned cell is deepest
|
|
// cell in cells tree that contains [x,y].
|
|
virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
|
|
unsigned flags = wxHTML_FIND_EXACT) 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
|
|
{ return wxConstCast(this, wxHtmlCell); }
|
|
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 parent cell
|
|
wxHtmlContainerCell *m_Parent;
|
|
|
|
// dimensions of fragment (m_Descent is used to position text & images)
|
|
long m_Width, m_Height, m_Descent;
|
|
// position where the fragment is drawn:
|
|
long m_PosX, m_PosY;
|
|
|
|
// superscript/subscript/normal:
|
|
wxHtmlScriptMode m_ScriptMode;
|
|
long m_ScriptBaseline;
|
|
|
|
// destination address if this fragment is hypertext link, NULL otherwise
|
|
wxHtmlLinkInfo *m_Link;
|
|
// true if this cell can be placed on pagebreak, false otherwise
|
|
bool m_CanLiveOnPagebreak;
|
|
// unique identifier of the cell, generated from "id" property of tags
|
|
wxString m_id;
|
|
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlCell)
|
|
wxDECLARE_NO_COPY_CLASS(wxHtmlCell);
|
|
};
|
|
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Inherited cells:
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxHtmlWordCell
|
|
// Single word in input stream.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell
|
|
{
|
|
public:
|
|
wxHtmlWordCell(const wxString& word, const wxDC& dc);
|
|
void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
|
|
wxHtmlRenderingInfo& info);
|
|
virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
|
|
virtual wxString ConvertToText(wxHtmlSelection *sel) const;
|
|
bool IsLinebreakAllowed() const { return m_allowLinebreak; }
|
|
|
|
void SetPreviousWord(wxHtmlWordCell *cell);
|
|
|
|
protected:
|
|
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 WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell
|
|
{
|
|
public:
|
|
wxHtmlContainerCell(wxHtmlContainerCell *parent);
|
|
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, wxArrayInt& known_pagebreaks) const;
|
|
|
|
// insert cell at the end of m_Cells list
|
|
void InsertCell(wxHtmlCell *cell);
|
|
|
|
// sets horizontal/vertical alignment
|
|
void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;}
|
|
int GetAlignHor() const {return m_AlignHor;}
|
|
void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;}
|
|
int GetAlignVer() const {return m_AlignVer;}
|
|
|
|
// sets left-border indentation. units is one of wxHTML_UNITS_* constants
|
|
// what is combination of wxHTML_INDENT_*
|
|
void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
|
|
// returns the indentation. ind is one of wxHTML_INDENT_* constants
|
|
int GetIndent(int ind) const;
|
|
// returns type of value returned by GetIndent(ind)
|
|
int GetIndentUnits(int ind) const;
|
|
|
|
// sets alignment info based on given tag's params
|
|
void SetAlign(const wxHtmlTag& tag);
|
|
// sets floating width adjustment
|
|
// (examples : 32 percent of parent container,
|
|
// -15 pixels percent (this means 100 % - 15 pixels)
|
|
void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;}
|
|
void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
|
|
// 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;}
|
|
// 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;}
|
|
virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
|
|
virtual const wxHtmlCell* Find(int condition, const void* param) 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 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
|
|
// 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
|
|
bool m_UseBorder;
|
|
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_
|
|
|