#ifndef SYNEDIT_H #define SYNEDIT_H #include #include #include #include #include #include #include #include "MiscClasses.h" #include "CodeFolding.h" #include "Types.h" #include "TextBuffer.h" #include "KeyStrokes.h" enum class SynFontSmoothMethod { None, AntiAlias, ClearType }; enum class SynScrollHintFormat { shfTopLineOnly, shfTopToBottom }; enum class SynScrollStyle { ssNone, ssHorizontal, ssVertical, ssBoth }; enum class SynEditCaretType { ctVerticalLine=0, ctHorizontalLine=1, ctHalfBlock=2, ctBlock=3 }; enum SynStatusChange { scNone = 0, scAll = 0x0001, scCaretX = 0x0002, scCaretY = 0x0004, scLeftChar = 0x0008, scTopLine = 0x0010, scInsertMode = 0x0020, scModified = 0x0040, scSelection = 0x0080, scReadOnly = 0x0100, scOpenFile = 0x0200 }; Q_DECLARE_FLAGS(SynStatusChanges, SynStatusChange) Q_DECLARE_OPERATORS_FOR_FLAGS(SynStatusChanges) enum class SynStateFlag { sfCaretChanged = 0x0001, sfScrollbarChanged = 0x0002, sfLinesChanging = 0x0004, sfIgnoreNextChar = 0x0008, sfCaretVisible = 0x0010, sfDblClicked = 0x0020, sfWaitForDragging = 0x0040 }; Q_DECLARE_FLAGS(SynStateFlags,SynStateFlag) Q_DECLARE_OPERATORS_FOR_FLAGS(SynStateFlags) enum SynEditorOption { eoAltSetsColumnMode = 0x00000001, //Holding down the Alt Key will put the selection mode into columnar format eoAutoIndent = 0x00000002, //Will indent the caret on new lines with the same amount of leading white space as the preceding line eoAddIndent = 0x00000004, //Will add one tab width of indent when typing { and :, and remove the same amount when typing } eoDragDropEditing = 0x00000008, //Allows you to select a block of text and drag it within the document to another location eoDropFiles = 0x00000010, //Allows the editor accept OLE file drops eoEnhanceHomeKey = 0x00000020, //enhances home key positioning, similar to visual studio eoEnhanceEndKey = 0x00000040, //enhances End key positioning, similar to JDeveloper eoGroupUndo = 0x00000080, //When undoing/redoing actions, handle all continous changes of the same kind in one call instead undoing/redoing each command separately eoHalfPageScroll = 0x00000100, //When scrolling with page-up and page-down commands, only scroll a half page at a time eoHideShowScrollbars =0x00000200, //if enabled, then the scrollbars will only show when necessary. If you have ScrollPastEOL, then it the horizontal bar will always be there (it uses MaxLength instead) eoKeepCaretX = 0x00000400 , //When moving through lines w/o Cursor Past EOL, keeps the X position of the cursor eoRightMouseMovesCursor= 0x00000800, //When clicking with the right mouse for a popup menu, move the cursor to that location eoScrollByOneLess = 0x00001000, //Forces scrolling to be one less eoScrollPastEof = 0x00002000, //Allows the cursor to go past the end of file marker eoScrollPastEol = 0x00004000, //Allows the cursor to go past the last character into the white space at the end of a line eoShowSpecialChars = 0x00008000, //Shows the special Characters eoSpecialLineDefaultFg = 0x00010000, //disables the foreground text color override when using the OnSpecialLineColor event eoTabIndent = 0x00020000, //When active and act as block indent, unindent when text is selected eoTabsToSpaces = 0x00040000, //Converts a tab character to a specified number of space characters eoShowRainbowColor = 0x00080000, eoTrimTrailingSpaces =0x00100000, //Spaces at the end of lines will be trimmed and not saved eoSelectWordByDblClick=0x00200000, eoNoSelection = 0x00400000, //Disables selecting text //eoAutoSizeMaxScrollWidth = 0x00000008, //Automatically resizes the MaxScrollWidth property when inserting text //eoDisableScrollArrows = 0x00000010 , //Disables the scroll bar arrow buttons when you can't scroll in that direction any more // eoScrollHintFollows = 0x00020000, //The scroll hint follows the mouse when scrolling vertically // eoShowScrollHint = 0x00100000, //Shows a hint of the visible line numbers when scrolling vertically // eoSmartTabDelete = 0x00400000, //similar to Smart Tabs, but when you delete characters // eoSmartTabs = 0x00800000, //When tabbing, the cursor will go to the next non-white space character of the previous line // eoNoCaret = 0x00000800, //Makes it so the caret is never visible }; Q_DECLARE_FLAGS(SynEditorOptions, SynEditorOption) Q_DECLARE_OPERATORS_FOR_FLAGS(SynEditorOptions) enum class SynReplaceAction { raCancel, raSkip, raReplace, raReplaceAll }; enum class SynTransientType { ttBefore, ttAfter }; enum class SynScrollBarKind { sbHorizontal, sbVertical }; /* using SynPaintTransientProc = std::function; */ using SynPlaceMarkProc = std::function; using SynProcessCommandProc = std::function; using SynMouseCursorProc = std::function; using SynPaintProc = std::function; using SynPreparePaintHighlightTokenProc = std::function; using SynReplaceTextProc = std::function; //using SynSpecialLineColorsProc = std::function; //using SynEditingAreasProc = std::function; //using SynGutterGetTextProc = std::function; //using SynTGutterPaintProc = std::function; class SynEdit; using PSynEdit = std::shared_ptr; class SynEdit : public QAbstractScrollArea { Q_OBJECT public: explicit SynEdit(QWidget *parent = nullptr); /** * Returns how many rows are there in the editor * @return */ int displayLineCount() const; /** * @brief displayX * @return */ DisplayCoord displayXY() const; int displayX() const; int displayY() const; BufferCoord caretXY() const; int caretX() const; int caretY() const; void invalidateGutter(); void invalidateGutterLine(int aLine); void invalidateGutterLines(int FirstLine, int LastLine); DisplayCoord pixelsToNearestRowColumn(int aX, int aY) const; DisplayCoord pixelsToRowColumn(int aX, int aY) const; QPoint RowColumnToPixels(const DisplayCoord& coord) const; DisplayCoord bufferToDisplayPos(const BufferCoord& p) const; BufferCoord displayToBufferPos(const DisplayCoord& p) const; int leftSpaces(const QString& line) const; QString GetLeftSpacing(int charCount,bool wantTabs) const; int charToColumn(int aLine, int aChar) const; int charToColumn(const QString& s, int aChar) const; int columnToChar(int aLine, int aColumn) const; int stringColumns(const QString& line, int colsBefore) const; int getLineIndent(const QString& line) const; int rowToLine(int aRow) const; int lineToRow(int aLine) const; int foldRowToLine(int Row) const; int foldLineToRow(int Line) const; void setDefaultKeystrokes(); void invalidateLine(int Line); void invalidateLines(int FirstLine, int LastLine); void invalidateSelection(); void invalidateRect(const QRect& rect); void invalidate(); void lockPainter(); void unlockPainter(); bool selAvail() const; int charColumns(QChar ch) const; double dpiFactor() const; bool IsPointInSelection(const BufferCoord& Value) const; BufferCoord NextWordPos(); BufferCoord NextWordPosEx(const BufferCoord& XY); BufferCoord WordStart(); BufferCoord WordStartEx(const BufferCoord& XY); BufferCoord WordEnd(); BufferCoord WordEndEx(const BufferCoord& XY); BufferCoord PrevWordPos(); BufferCoord PrevWordPosEx(const BufferCoord& XY); void CommandProcessor(SynEditorCommand Command, QChar AChar = QChar(), void * pData = nullptr); //Caret void showCaret(); void hideCaret(); void setCaretX(int value); void setCaretY(int value); void setCaretXY(const BufferCoord& value); void setCaretXYEx(bool CallEnsureCursorPos, BufferCoord value); void setCaretXYCentered(bool ForceToMiddle, const BufferCoord& value); int maxScrollWidth() const; int maxScrollHeight() const; bool GetHighlighterAttriAtRowCol(const BufferCoord& XY, QString& Token, PSynHighlighterAttribute& Attri); bool GetHighlighterAttriAtRowCol(const BufferCoord& XY, QString& Token, bool& tokenFinished, SynHighlighterTokenType& TokenType, PSynHighlighterAttribute& Attri); bool GetHighlighterAttriAtRowColEx(const BufferCoord& XY, QString& Token, SynHighlighterTokenType& TokenType, SynTokenKind &TokenKind, int &Start, PSynHighlighterAttribute& Attri); //Commands void cutToClipboard() { CommandProcessor(SynEditorCommand::ecCut);} void copyToClipboard() { CommandProcessor(SynEditorCommand::ecCopy);} void pasteFromClipboard() { CommandProcessor(SynEditorCommand::ecPaste);} void undo() { CommandProcessor(SynEditorCommand::ecUndo);} void redo() { CommandProcessor(SynEditorCommand::ecRedo);} void zoomIn() { CommandProcessor(SynEditorCommand::ecZoomIn);} void zoomOut() { CommandProcessor(SynEditorCommand::ecZoomOut);} void selectAll() { { CommandProcessor(SynEditorCommand::ecSelectAll);}} void tab() { { CommandProcessor(SynEditorCommand::ecTab);}} void untab() { { CommandProcessor(SynEditorCommand::ecShiftTab);}} // setter && getters int topLine() const; void setTopLine(int value); int linesInWindow() const; int leftChar() const; void setLeftChar(int Value); BufferCoord blockBegin() const; BufferCoord blockEnd() const; SynSelectionMode activeSelectionMode() const; void setActiveSelectionMode(const SynSelectionMode &Value); int charsInWindow() const; int charWidth() const; int gutterWidth() const; void setGutterWidth(int value); bool modified() const; void setModified(bool Value); int tabWidth() const; PSynHighlighter highlighter() const; void setHighlighter(const PSynHighlighter &highlighter); bool useCodeFolding() const; void setUseCodeFolding(bool value); QString lineText(); void setLineText(const QString s); PSynEditStringList lines() const; bool empty(); SynSelectionMode selectionMode() const; void setSelectionMode(SynSelectionMode value); QString selText(); QString lineBreak(); SynEditorOptions getOptions() const; void setOptions(const SynEditorOptions &Value); int getTabWidth() const; void setTabWidth(int tabWidth); QColor getCaretColor() const; void setCaretColor(const QColor &caretColor); QColor getActiveLineColor() const; void setActiveLineColor(const QColor &activeLineColor); SynEditCaretType getOverwriteCaret() const; void setOverwriteCaret(const SynEditCaretType &overwriteCaret); SynEditCaretType getInsertCaret() const; void setInsertCaret(const SynEditCaretType &insertCaret); SynGutter& gutter(); signals: void Changed(); void ChainUndoAdded(); void ChainRedoAdded(); void ChainLinesChanging(); void ChainLinesChanged(); void ChainListCleared(); void ChainListDeleted(int Index, int Count); void ChainListInserted(int Index, int Count); void ChainListPutted(int Index, int Count); void FilesDropped(int X,int Y, const QStringList& AFiles); void gutterClicked(Qt::MouseButton button, int x, int y, int line); void ImeInputed(const QString& s); void contextHelp(const QString& word); void scrolled(SynScrollBarKind ScrollBar); void statusChanged(SynStatusChanges changes); void fontChanged(); void tabSizeChanged(); protected: protected: virtual bool onGetSpecialLineColors(int Line, QColor& foreground, QColor& backgroundColor) ; virtual void onGetEditingAreas(int Line, SynEditingAreaList& areaList); virtual void onGutterGetText(int aLine, QString& aText); virtual void onGutterPaint(QPainter& painter, int aLine, int X, int Y); virtual void onPaint(QPainter& painter); virtual void onProcessCommand(SynEditorCommand Command, QChar AChar, void * pData); virtual void onCommandProcessed(SynEditorCommand Command, QChar AChar, void * pData); virtual void ExecuteCommand(SynEditorCommand Command, QChar AChar, void * pData); private: void clearAreaList(SynEditingAreaList areaList); void computeCaret(int X, int Y); void computeScroll(int X, int Y); void incPaintLock(); void decPaintLock(); bool mouseCapture(); int clientWidth(); int clientHeight(); int clientTop(); int clientLeft(); QRect clientRect(); void synFontChanged(); void doOnPaintTransient(SynTransientType TransientType); void updateLastCaretX(); void ensureCursorPosVisible(); void ensureCursorPosVisibleEx(bool ForceToMiddle); void scrollWindow(int dx,int dy); void setInternalDisplayXY(const DisplayCoord& aPos); void internalSetCaretXY(const BufferCoord& Value); void internalSetCaretX(int Value); void internalSetCaretY(int Value); void setStatusChanged(SynStatusChanges changes); void doOnStatusChange(SynStatusChanges changes); void insertBlock(const BufferCoord& BB, const BufferCoord& BE, const QString& ChangeStr, bool AddToUndoList); void updateScrollbars(); void updateCaret(); void recalcCharExtent(); QString expandAtWideGlyphs(const QString& S); void updateModifiedStatus(); int scanFrom(int Index); int scanRanges(); void uncollapse(PSynEditFoldRange FoldRange); void collapse(PSynEditFoldRange FoldRange); void foldOnListInserted(int Line, int Count); void foldOnListDeleted(int Line, int Count); void foldOnListCleared(); void rescan(); // rescan for folds void rescanForFoldRanges(); void scanForFoldRanges(PSynEditFoldRanges TopFoldRanges); int lineHasChar(int Line, int startChar, QChar character, const QString& highlighterAttrName); void findSubFoldRange(PSynEditFoldRanges TopFoldRanges,int FoldIndex,PSynEditFoldRanges& parentFoldRanges, PSynEditFoldRange Parent); PSynEditFoldRange collapsedFoldStartAtLine(int Line); void doOnPaintTransientEx(SynTransientType TransientType, bool Lock); void initializeCaret(); PSynEditFoldRange foldStartAtLine(int Line); QString substringByColumns(const QString& s, int startColumn, int& colLen); PSynEditFoldRange foldAroundLine(int Line); PSynEditFoldRange foldAroundLineEx(int Line, bool WantCollapsed, bool AcceptFromLine, bool AcceptToLine); PSynEditFoldRange checkFoldRange(SynEditFoldRanges* FoldRangeToCheck,int Line, bool WantCollapsed, bool AcceptFromLine, bool AcceptToLine); PSynEditFoldRange foldEndAtLine(int Line); void paintCaret(QPainter& painter, const QRect rcClip); int textOffset() const; SynEditorCommand TranslateKeyCode(int key, Qt::KeyboardModifiers modifiers); /** * Move the caret to right DX columns * @param DX * @param SelectionCommand */ void MoveCaretHorz(int DX, bool isSelection); void MoveCaretVert(int DY, bool isSelection); void MoveCaretAndSelection(const BufferCoord& ptBefore, const BufferCoord& ptAfter, bool isSelection); void MoveCaretToLineStart(bool isSelection); void MoveCaretToLineEnd(bool isSelection); void SetSelectedTextEmpty(); void SetSelTextPrimitive(const QString& aValue); void SetSelTextPrimitiveEx(SynSelectionMode PasteMode, const QString& Value, bool AddToUndoList); void setSelText(const QString& Value); void DoLinesDeleted(int FirstLine, int Count); void DoLinesInserted(int FirstLine, int Count); void ProperSetLine(int ALine, const QString& ALineText); void DeleteSelection(const BufferCoord& BB, const BufferCoord& BE); void InsertText(const QString& Value, SynSelectionMode PasteMode,bool AddToUndoList); int InsertTextByNormalMode(const QString& Value); int InsertTextByColumnMode(const QString& Value,bool AddToUndoList); int InsertTextByLineMode(const QString& Value); void DeleteFromTo(const BufferCoord& start, const BufferCoord& end); void SetSelWord(); void SetWordBlock(BufferCoord Value); void setCaretAndSelection(const BufferCoord& ptCaret, const BufferCoord& ptBefore, const BufferCoord& ptAfter); void processGutterClick(QMouseEvent* event); void clearUndo(); BufferCoord GetPreviousLeftBracket(int x,int y); bool CanDoBlockIndent(); //Commands void doDeleteLastChar(); void doDeleteCurrentChar(); void doDeleteWord(); void doDeleteToEOL(); void doDeleteLastWord(); void doDeleteFromBOL(); void doDeleteLine(); void doDuplicateLine(); void doMoveSelUp(); void doMoveSelDown(); void clearAll(); void insertLine(bool moveCaret); void doTabKey(); void doShiftTabKey(); void doBlockIndent(); void doBlockUnindent(); void doAddChar(QChar AChar); void doCutToClipboard(); void doCopyToClipboard(); void internalDoCopyToClipboard(const QString& s); void doPasteFromClipboard(); void doAddStr(const QString& s); void doUndo(); void doUndoItem(); void doRedo(); void doRedoItem(); void doZoomIn(); void doZoomOut(); void doSelectAll(); private: void setBlockBegin(BufferCoord value); void setBlockEnd(BufferCoord Value); void setSelLength(int Value); private slots: void bookMarkOptionsChanged(); void gutterChanged(); void linesChanged(); void linesChanging(); void linesCleared(); void linesDeleted(int index, int count); void linesInserted(int index, int count); void linesPutted(int index, int count); void redoAdded(); void scrollTimerHandler(); void undoAdded(); void sizeOrFontChanged(bool bFont); void doChange(); void doScrolled(int value); private: std::shared_ptr mContentImage; SynEditFoldRanges mAllFoldRanges; SynEditCodeFolding mCodeFolding; bool mUseCodeFolding; bool mAlwaysShowCaret; BufferCoord mBlockBegin; BufferCoord mBlockEnd; int mCaretX; int mLastCaretColumn; int mCaretY; int mCharsInWindow; int mCharWidth; QFont mFontDummy; SynFontSmoothMethod mFontSmoothing; bool mMouseMoved; /* IME input */ int mImeCount; bool mMBCSStepAside; /* end of IME input */ bool mInserting; bool mPainting; PSynEditStringList mLines; PSynEditStringList mOrigLines; PSynEditUndoList mOrigUndoList; PSynEditUndoList mOrigRedoList; int mLinesInWindow; int mLeftChar; int mPaintLock; // lock counter for internal calculations bool mReadOnly; int mRightEdge; QColor mRightEdgeColor; QColor mScrollHintColor; SynScrollHintFormat mScrollHintFormat; SynScrollStyle mScrollBars; int mTextHeight; int mTopLine; PSynHighlighter mHighlighter; QColor mSelectedForeground; QColor mSelectedBackground; QColor mCaretColor; QColor mActiveLineColor; PSynEditUndoList mUndoList; PSynEditUndoList mRedoList; SynEditMarkList mBookMarks; QPoint mMouseDownPos; SynBookMarkOpt mBookMarkOpt; bool mHideSelection; int mMouseWheelAccumulator; SynEditCaretType mOverwriteCaret; SynEditCaretType mInsertCaret; QPoint mCaretOffset; SynEditKeyStrokes mKeyStrokes; bool mModified; QDateTime mLastModifyTime; SynEditMarkList mMarkList; int mExtraLineSpacing; SynSelectionMode mSelectionMode; SynSelectionMode mActiveSelectionMode; //mode of the active selection bool mWantReturns; bool mWantTabs; SynGutter mGutter; int mTabWidth; QRect mInvalidateRect; SynStateFlags mStateFlags; SynEditorOptions mOptions; SynStatusChanges mStatusChanges; int mLastKey; Qt::KeyboardModifiers mLastKeyModifiers; //fSearchEngine: TSynEditSearchCustom; //fHookedCommandHandlers: TList; //fKbdHandler: TSynEditKbdHandler; // fFocusList: TList; // fPlugins: TList; QTimer* mScrollTimer; int mScrollDeltaX; int mScrollDeltaY; PSynEdit fChainedEditor; int mPaintTransientLock; bool mIsScrolling; int mPainterLock; // lock counter to prevent repaint while painting bool mUndoing; // event handlers SynPlaceMarkProc mOnClearMark; SynProcessCommandProc mOnCommandProcessed; SynMouseCursorProc mOnMouseCursor; SynPaintProc mOnPaint; SynPreparePaintHighlightTokenProc mOnPaintHighlightToken; SynPlaceMarkProc mOnPlaceMark; SynProcessCommandProc mOnProcessingCommand; SynProcessCommandProc mOnProcessingUserCommand; SynReplaceTextProc mOnReplaceText; // SynSpecialLineColorsProc mOnSpecialLineColors; // SynEditingAreasProc mOnEditingAreas; // SynGutterGetTextProc mOnGutterGetText; // SynTGutterPaintProc mOnGutterPaint; int mGutterWidth; //caret blink related int m_blinkTimerId; int m_blinkStatus; QCursor mDefaultCursor; friend class SynEditTextPainter; // QWidget interface protected: void paintEvent(QPaintEvent *event) override; void resizeEvent(QResizeEvent *event) override; void timerEvent(QTimerEvent *event) override; bool event(QEvent *event) override; void focusInEvent(QFocusEvent *event) override; void focusOutEvent(QFocusEvent *event) override; void keyPressEvent(QKeyEvent *event) override; void mousePressEvent(QMouseEvent *event) override; void mouseReleaseEvent(QMouseEvent *event) override; void mouseMoveEvent(QMouseEvent *event) override; void mouseDoubleClickEvent(QMouseEvent *event) override; void inputMethodEvent(QInputMethodEvent *event) override; void leaveEvent(QEvent *event) override; void wheelEvent(QWheelEvent *event) override; // QAbstractScrollArea interface protected: bool viewportEvent(QEvent * event) override; }; #endif // SYNEDIT_H