qsteeditor.h

porting scintilla to qt

/* this file is the entry of scintilla of Qt4 Porting 
 * QSteEditor == QTextEditor
 * each QSteEditor have a QSteGlobalProper 
 * and one QSteLexProper and one QSteKeyBind QSteAbbrev
 * accept(QSteGlobalProper)
 * accept(QSteLexProper)
 * accept(QSteKeyBind)
 * accept(QSteAbbrev)
 * version 0.1
 */
#ifndef _qsteditor_h_
#define _qsteditor_h_
#include <qobject.h>
#include <qstringlist.h>
#include <QByteArray>
#include <QPointer>
#include <QString>
#include <qprinter.h>
#include <qpainter.h>
#include <qstack.h>

#include "Platform.h"
#include "constants.h"
#include "qstescintillabase.h"
#include "qsteproper.h"
class _QSTE_DLL_ QSteEditor : public QSteScintillaBase
{
	Q_OBJECT
public:
	//construct
	QSteEditor(QWidget *parent = 0);
	//destructor
	virtual ~QSteEditor();
	// with QSteGlobalProper QSteLexProper QSteAbbrevProper
	void accept(QSteGlobalProper *proper);
	void accept(QSteLexProper *proper);
	void accept(QSteAbbrevProper *abb_);
	QSteLexProper *getLexerProper(){return m_lexer;}
	QSteGlobalProper *getGlobalProper(){return m_global;}
	void setGlobalProper();
	void setLexProper();
	void setIndentSetting();
	//normal routines
	SString wordCharacters;
	int getTextLength();
	QString convertTextToQString(char *str);
	int getLineLength(int line);
	bool isModified();
	int getCurrLineNum();
	virtual void clear();
	virtual void deleteText();
	virtual void selectAll();
	SString getRange(int start,int end);
	void getRange(int start,int end,char *text);
	inline char getCharacter(int pos,char def = ' '){
		if (pos <= 0)
			return def;
		char ch = sendMsgToSci(SCI_GETCHARAT, pos);
		if(pos > sendMsgToSci(SCI_GETTEXTLENGTH))
				return def;
	    // Don't go past the end of the previous line.
    	if (ch == '\n' || ch == '\r'){
	        ++pos;
    	    return def;
		}
		return ch;
	};
	CharacterRange getSelection();
	void setSelection(int anchor, int currentpos);
	StyleAndWords getStyleAndWords(const char *base);
	unsigned int getLinePartsInStyle(int line, int style1, int style2, SString sv[], int len);
	bool rangeIsAllWhitespace(int start, int end);
	void ensureRangeVisible(int posStart,int posEnd,bool enforcePolicy = true);
	void fowardProperties();
	bool isUtf8();
	void setUtf8(bool cp);
	//save & load
	virtual void setText(const QString &text);
	virtual bool loadFile(const QString &filename);
	void setFileName(QString filename);
	const QString getFileName() const;
	virtual bool saveFile(const QString filename);
	QString getText();
	QString getText(int linenum);
	void getText(char *text,int sizeText,int line = -1);
	int getCurrentLinenum();
	int getCaretInLine();
	//undo redo
	void beginUndo();
	void endUndo(); 
	virtual void undo();
	virtual void redo();
	bool canUndo();
	bool canRedo();
	//copy & paste & cut & dup
	virtual void copy();
	virtual void cut();
	virtual void paste();
	//insert/remove tab
	virtual void insertTab();
	virtual void removeTab();
	//match brace
	bool m_bracesCheck;
	bool m_bracesSloppy;
	int m_bracesStyle;
	int m_braceCount;

	void braceMatch();
	bool findMatchingBracePosition(int &braceAtCaret,int &braceOpposite,bool sloppy);
	bool gotoBraceMatch();
	void selectBraceMatch();
	//calltip 
	//auto complete
	enum autoCompleteType{
		acFromNone = 1 << 0,
		acFromCurrentDoc = 1 << 1,
		acFromKeyWords = 1 << 2,
		acFromProject = 1 << 3,
		acFromAPI = 1 << 4,
		acFromOpened = 1 << 5,
	};
	int m_acType;
	bool m_acIgnoreCase;
	bool m_acOnlyOne;
	void setIgnoreCase(bool case_){m_acIgnoreCase = case_;}
	bool getIgnoreCase(){return m_acIgnoreCase;}
	int getAutocompleteType(){return m_acType;}
	void setAutoCompleteTypeZero(){m_acType = acFromNone;}
	void setAutoCompleteType(autoCompleteType type){ m_acType |= type;}
	void startAutoComplete(); 
	//indent
	int m_statementLookBack;
	bool m_indentMaintain;
	bool m_autoIndent;
	bool m_indentOpening;
	bool m_indentClosing;
	StyleAndWords m_statementIndent;
	StyleAndWords m_statementEnd;
	StyleAndWords m_blockStart;
	StyleAndWords m_blockEnd;
	void setAutoIndent(bool indent){m_autoIndent = indent;}
	bool getAutoIndent(){return m_autoIndent;}
	void maintainIndent(char ch);
	void automaticIndentation(char ch);
	int getLineIndentation(int line);
	int getLineIndentPosition(int line);
	void setLineIndentation(int line, int indent);
	int indentOfBlock(int line);
	IndentationStatus getIndentState(int line);
	//color
	bool m_allowAlpha;
	//comment
	void boxComment();
	void blockComment();
	void streamComment();
	//folding
	int m_foldMarginWidth;
	void makeFoldSymbol();
	void foldAll();
	void ensureAllChildrenVisible(int line,int level);
	void toggleFoldRecursive(int line,int level);
	void showFoldMargin(bool show);
	void defineMarker(int marker, int markerType, ColourDesired fore, ColourDesired back);
	void expand(int &line, bool doExpand, bool force = false,int visLevels = 0, int level = -1);
	//margin & linenum
	bool m_foldMargin;
	int m_lineNumWidth;
	int m_marginWidth;
	void showLineNum(bool show);
	void showMargin(bool show);
	//find & search & replace
	int doFind(const char *str,int len = -1,int startpos = -1 ,int endpos = -1);
	int doReplace(const char *str);
	//bookmark
	//whitespace & eol
	void setEolMod(int mode = SC_EOL_CRLF);
	//advanced search
	//encoding
	//printing
	void filePrint(QPrinter *printer);
	void filePrintPreview(QPrinter *printer);
	void filePrintPdf(const char *filename);
	void selectionPrint();
	//setting
	//globalproper
	//lexproper
	//abbrev
	void insertAbbreviation();
	void expandAbbreviation();
	//keybind
	//wrap mode
	int m_warpmode;
	void setWrapMode(int mode = SC_WRAP_NONE);
public slots:
	void handleAddChar(char ch);
	void handleUpdateUi();
	void handleMarginClick(int position,int modifiers,int margin); 
private:
	QString m_filename;
	QSteGlobalProper *m_global;
	int m_globalShowDegree;
	QSteLexProper *m_lexer;
	int m_lexerShowDegree;
	QSteAbbrevProper *m_abbrev;
	int m_abbrevShowDegree;
	void setOneStyle(int style,const QSteStyleDefinition &sd);
	void setStyleFor(const char *lang);
	QWidget *m_parent;
};
#endif