qstescintillabase.h

porting scintilla to qt

#ifndef _qstescintillabase_h_
#define _qstescintillabase_h_
#include <QAbstractScrollArea>
#include <qpoint.h>
#include <qtimer.h>
#include <qclipboard.h>
#include <ctype.h>
#include <stdlib.h>
#include "Platform.h"
#include "Scintilla.h"
#include "SVector.h"
#include "SplitVector.h"
#include "Partitioning.h"
#include "CellBuffer.h"
#include "CharClassify.h"
#include "Document.h"
#include "Style.h"
#include "XPM.h"
#include "LineMarker.h"
#include "Indicator.h"
#include "ViewStyle.h"
#include "KeyMap.h"
#include "ContractionState.h"
#include "Editor.h"
#include "AutoComplete.h"
#include "CallTip.h"
#include "SString.h"
#include "PropSet.h"
#include "Accessor.h"
#include "KeyWords.h"
#include "SciLexer.h"
#include "ScintillaBase.h"

class _QSTE_DLL_ QSteScintillaBase : public QAbstractScrollArea ,public ScintillaBase
{
	Q_OBJECT
	friend class QSteCallTip;
	friend class QStePopup;
public:
	explicit QSteScintillaBase(QWidget *parent = 0);
	virtual ~QSteScintillaBase();
	virtual sptr_t WndProc(unsigned int msg,uptr_t wparam,sptr_t lparam);
	//send message interface
	long sendMsgToSci(unsigned int msg,unsigned long wparam = 0,long lparam = 0);
	long sendMsgToSci(unsigned int msg,unsigned long wparam,const char *lparam = 0);
	long sendMsgToSci(unsigned int msg,const char *lparam);
	long sendMsgToSci(unsigned int msg,const char *wparam,const char *lparam);
	long sendMsgToSci(unsigned int msg,long wparam);
	long sendMsgToSci(unsigned int msg,int wparam);
	long sendMsgToSci(unsigned int msg,long cpMin, long cpMax,char *lpstrText);
	long sendMsgToSci(unsigned int msg,unsigned long wparam,const QColor &col);
	long sendMsgToSci(unsigned int msg,const QColor &col);
	long sendMsgToSci(unsigned int msg,unsigned long wparam,QPainter *hdc,const QRect &rc,long cpmin,long cpmax);
	long sendMsgToSci(unsigned int msg,unsigned long wparam,const QPixmap &lparam);
private:
	void Initialise();
	void Finalise();
	void StartDrag();
	sptr_t DefWndProc(unsigned int msg,uptr_t wparam,sptr_t lparam);
	void SetTicking(bool);
	void SetMouseCapture(bool on);
	bool HaveMouseCapture();
	void SetVerticalScrollPos();
	void SetHorizontalScrollPos();
	bool ModifyScrollBars(int nmax,int npage);
	void reconfigureScrollBars();
	void NotifyChange();
	void NotifyParent(SCNotification scn);
	void CopyToClipboard(const SelectionText &seltext);
	void Copy();
	void Paste();
	void CreateCallTipWindow(PRectangle rc);
	void AddToPopUp(const char *label,int cmd = 0,bool enable = true);
	void ClaimSelection();
	void unclaimSelection();
	QString textRange(const SelectionText *seltext);
	void pasteFromClipboard(QClipboard::Mode mode);
	bool capturedMouse;
	QTimer qtimer;
signals:
	//this signal is emitted when text is selected or de-selected
	//==true selected
	//==false deselcted
	void qsteSelectChanged(bool ch);
	//this signal is emitted when the user selects an item in an auto-completion list,it is emitted before the selection is inserted
	//selected == the text being selected
	//postion is the start postion of the word being completed
	void qsteAutoCompleteSelect(const char *selected,int position);
	//this signal is emitted when the document has changed 
	void qsteDocChanged();
	//this signal is emitted when user clicks on a calltip
	//== true clicked on the up arrow
	//== false clicked on the down arrow
	void qsteCallTipClick(int dir);
	//this signal is emitted when user enters an normal character into the text
	void qsteAddCharacter(char character);
	//this signal is emitted when user double clicks
	//position= is the position in text where the click occured
	//line= the line in the text where the click occured
	//modifiers= the logical or of the modifier keys thar were pressed
	void qsteDoubleClick(int position,int line,int modifiers);
	//this signal is emitted block selection start
	void qsteDwellStart(int x,int y,int z);
	//this signal is emitted block selection end
	void qsteDwellEnd(int x,int y,int z);
	//this signal is emitted when user clicks on text in a style with the hotspot attribute set
	//position = is the position in the text where the click occured
	//modifiers = is the logical or of the modifier keys that were pressed when the user clicked
	void qsteHotspotClick(int position,int modifiers);
	//this signal is emitted when user double clicks on text in a style with the hotspot attribute set
	//position = is the position in the text where the double click occured
	//modifiers = is the logical or of the modifier keys that were pressed when the user clicked
	void qsteHotspotDoubleClick(int position,int modifiers);
	//this signal is emitted when a recordable editor command has been executed
	void qsteMarcoRecordExecute(unsigned int msg,unsigned long param,long lparam); 
	//this signal is emitted when the user clicks on a margin
	//position = the start of the line against which the user clicked
	//modifiers = is the logical or of the modifier keys that were pressed when the user clicked
	//margin = is the number os the margin the user clicked in
	void qsteMarginClick(int position,int modifiers,int margin);
	//this signal is emitted when something has been modified
	void qsteModified(int,int,const char*,int,int,int,int,int);
	//this signal is emitted when user attemps to modify read-only text
	void qsteModifiedReadOnly();
	//this signal is emitted when something need repaint
	void qsteNeedShown(int,int);
	//this signal is emitted when the current state of the text no longer corresponds to the state of the text at the save point
	void qsteSavePointLeft();
	//this signal is emitted when the current state of the text corresponds 
	//to the state of the text at the save point,this allows feedback to be 
	//given to the user as to whether the text has been modified since it was last saved
	void qsteSavePointReached();
	//this signal is emitted when a range of text needs to be syntal styled 
	//the range is from the value returned by the SCI_GETENDSTYLED message and
	void qsteStyleNeeded(int position);
	void qsteUpdated();
	void qsteUserListSelection(const char *,int);
	void qsteZoom(int scale = 0);
protected:
	//reimplemented to handle the context menu
	virtual void contextMenuEvent(QContextMenuEvent *event);
	//reimplemented to handle drag enters.
	virtual void dragEnterEvent(QDragEnterEvent *event);
	//reimplemented to handle drag move
	virtual void dragMoveEvent(QDragMoveEvent *event);
	//reimplemented to handle drag leaves
	virtual void dragLeaveEvent(QDragLeaveEvent *event);
	//reimplemented to handle drop event
	virtual void dropEvent(QDropEvent *event);
	//reimplemented to handle get focus
	virtual void focusInEvent(QFocusEvent *event);
	//reimplemented to handle lost focus
	virtual void focusOutEvent(QFocusEvent *event);
	//reimplemented to allow tabs to be entered as text
	virtual bool focusNextPrevChild(bool next);
	//reimplemented to handle key presses
	virtual void keyPressEvent(QKeyEvent *event);
	//reimplemented to handle input method characters
	virtual void inputMethodEvent(QInputMethodEvent *event);
	//reimplemented to handle mouse double clicks
	virtual void mouseDoubleClickEvent(QMouseEvent *event);
	//reimplemented to handle mouse moves
	virtual void mouseMoveEvent(QMouseEvent *event);
	//reimplemented to handle mouse presses
	virtual void mousePressEvent(QMouseEvent *event);
	//reimplemented to handle mouse releases
	virtual void mouseReleaseEvent(QMouseEvent *event);
	//reimplemented to handle viewport paint
	virtual void paintEvent(QPaintEvent *event);
	//reimplemented to handle resizes
	virtual void resizeEvent(QResizeEvent *event);
	//reimplemented to handle scrolling
	virtual void scrollContentsBy(int dx,int dy);
private slots:
	void handleTimer();
	void handleVSb(int value);
	void handleHSb(int value);
	void handleSelection();
	virtual void startAutoComplete();
	virtual bool gotoBraceMatch();
	virtual void selectBraceMatch();
	virtual void insertAbbreviation();
	virtual void expandAbbreviation();
private:
	static sptr_t DirectFunction(QSteScintillaBase *qste, unsigned int msg,uptr_t wparam,sptr_t lparam);
    QPoint triple_click_at;
    QTimer triple_click;
};
#endif