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/*******************************************************************************
*
* Copyright (C) 2009, Alexander Stigsen, e-texteditor.com
*
* This software is licensed under the Open Company License as described
* in the file license.txt, which you should have received as part of this
* distribution. The terms are also available at http://opencompany.org/license.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
******************************************************************************/
#ifndef FIXEDLINE_H
#define FIXEDLINE_H
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
#include "Catalyst.h"
#include "StyleRun.h"
#include "WrapMode.h"
class FastDC;
struct tmTheme;
class Styler;
class DocumentWrapper;
class BracketHighlight;
struct full_pos {
int pos;
int caret_xpos;
int caret_ypos;
bool xy_outbound;
bool on_newline;
};
class FixedLine {
public:
FixedLine(wxDC& dc, const DocumentWrapper& dw, const vector<interval>& sel, const BracketHighlight& brackets, const unsigned int& lastpos, const bool& isShadow, const tmTheme& theme);
void Init();
bool IsValid() const {return width != 0;};
void Invalidate() {width = 0; textstart = 0; textend = 0;};
void SetPrintMode();
void FlushCache(unsigned int pos=0);
unsigned int SetLine(unsigned int startpos, unsigned int endpos, bool cache=true);
int SetWidth(int newwidth);
void DrawLine(int xoffset, int yoffset, const wxRect& rect, bool isFolded);
void ResetStyle() {m_sr.ResetStyle();};
#ifdef __WXDEBUG__
void ApplyStyle(unsigned int id) {m_sr.ApplyStyle(id);};
FastDC& GetDC() {return dc;};
#endif
void UpdateFont();
void SetTabWidth(unsigned int width);
void SetWordWrap(cxWrapMode wrapMode) {m_wrapMode = wrapMode; FlushCache();};
void ShowIndentGuides(bool showIndent) {m_showIndent = showIndent;};
unsigned int GetLineWidth() const;
unsigned int GetDisplayWidth() const {return width;};
unsigned int GetUnwrappedWidth() const {wxASSERT(m_wrapMode == cxWRAP_NONE); return m_lineWidth;};
int GetHeight() const;
int GetCharHeight() const {return charheight;};
int GetCharWidth() const {return charwidth;}; // width of a whitespace char
wxPoint GetCaretPos(unsigned int pos, bool tryfront=false) const;
wxRect GetFoldIndicatorRect() const;
full_pos ClickOnLine(int xpos, int ypos) const;
// Functions to get approximated stats without parsing line
unsigned int GetQuickLineWidth(unsigned int startpos, unsigned int endpos);
unsigned int GetQuickLineHeight(unsigned int startpos, unsigned int endpos);
bool IsTabPos(unsigned int pos) const;
bool IsOverFoldIndicator(const wxPoint& point) const;
void AddStyler(Styler &styler);
void StylersClear();
void StylersInvalidate();
void StylersInsert(unsigned int pos, unsigned int len);
void StylersDelete(unsigned int start, unsigned int end);
void StylersApplyDiff(vector<cxChange>& changes);
bool StylersOnIdle();
private:
unsigned int DrawText(int xoffset, int x, int y, unsigned int start, unsigned int end);
void BreakLine();
int GetTabPoint(int xpos) const;
// Member variables
FastDC& dc;
const DocumentWrapper& m_doc;
unsigned int textstart;
unsigned int textend;
unsigned int m_lineLen;
unsigned int m_lineBufferLen;
int width;
int old_width;
unsigned int m_tabChars;
const unsigned int& lastpos;
const bool& m_isSelShadow;
const BracketHighlight& m_brackets;
const tmTheme& m_theme;
StyleRun m_sr;
unsigned int m_docLen;
wxCharBuffer m_lineBuffer;
unsigned int m_lineWidth; // full width when no word-wrap
wxString m_textBuf;
vector<unsigned int> m_extents;
wxArrayInt m_extsBuf;
int height;
int charwidth;
int m_nlwidth;
int charheight;
int tabwidth;
const vector<interval>& selections;
cxWrapMode m_wrapMode;
bool m_showIndent;
unsigned int m_indentWidth;
wxBitmap bmFold;
wxBitmap bmNewline;
wxBitmap bmSpace;
wxBitmap bmTab;
// Above: set in constructors' intializer list
// ----
// Below: not set in initializer list
vector<unsigned int> breakpoints;
vector<Styler*> m_stylers;
bool m_isFontFixedWidth;
unsigned int m_foldWidth;
unsigned int m_foldHeight;
static wxString s_text;
#ifdef __WXDEBUG__
bool m_inSetLine;
#endif
};
#endif // FIXEDLINE_H
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