editu2.pas

一个mwEdit控件原码,比mwCuuEdit0.92a功能先进.

{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.

The Original Code is: EditU2.pas, released 2000-06-23.

The Original Code is the D4Demo project of the mwEdit component suite
by Martin Waldenburg and other developers.
The Original Author of the D4Demo project is Primoz Gabrijelcic.
Portions written by Primoz Gabrijelcic are copyright 1998 Primoz Gabrijelcic.
All Rights Reserved.

Contributors to the SynEdit and mwEdit projects are listed in the
Contributors.txt file.

Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.

$Id: EditU2.pas,v 1.11 2004/01/24 22:34:33 markonjezic Exp $

You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net

Known Issues:
  - printing has been removed from D4Demo, since it is covered in greater
    detail in a dedicated example.
-------------------------------------------------------------------------------}

unit EditU2;

{$I SynEdit.inc}
{$J+}

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls, StdCtrls, ComCtrls, {$IFDEF SYN_COMPILER_4_UP} ImgList, {$ENDIF}
  Menus, Buttons, Spin, SynEdit, SynHighlighterASM, SynHighlighterVB,
  SynHighlighterTclTk, SynHighlighterSML, SynHighlighterSQL,
  SynHighlighterProgress, SynHighlighterPHP, SynHighlighterPerl,
  SynHighlighterPas, SynHighlighterBat, SynHighlighterVBScript,
  SynHighlighterKix, SynHighlighterJScript, SynHighlighterJava,
  SynHighlighterInno, SynHighlighterIni, SynHighlighterHTML,
  SynHighlighterGeneral, SynHighlighterDml, SynHighlighterFoxpro,
  SynHighlighterFortran, SynHighlighterDfm, SynHighlighterCss,
  SynHighlighterCAC, SynHighlighterCache, SynHighlighterBaan,
  SynHighlighterADSP21xx, SynHighlighterHC11, SynEditHighlighter,
  SynHighlighterCpp, SynEditKeyCmds, SynExportRTF, SynEditExport,
  SynExportHTML, SynEditKeyCmdsEditor, SynCompletionProposal,
  SynEditPythonBehaviour, SynHighlighterPython, SynHighlighterHP48,
  SynHighlighterGalaxy, SynHighlighterAWK, SynHighlighterModelica,
  SynHighlighterM3, SynHighlighterGWS, SynHighlighterXML,
  SynHighlighterUnreal, SynHighlighterMsg, SynHighlighterSDD,
  SynHighlighterIDL, SynHighlighterCPM, SynHighlighterST;

type
  TDemoMainForm = class(TForm)
    OpenDialog1: TOpenDialog;
    PageControl1: TPageControl;
    tabBookmarks: TTabSheet;
    cbEnableKeys: TCheckBox;
    cbGlyphsVisible: TCheckBox;
    Label4: TLabel;
    inpLeftMargin: TSpinEdit;
    tabGutter: TTabSheet;
    Label5: TLabel;
    tabHighlighter: TTabSheet;
    Label3: TLabel;
    cbxHighlighterSelect: TComboBox;
    cbxSettingsSelect: TComboBox;
    Label1: TLabel;
    tabCaret: TTabSheet;
    cbxInsertCaret: TComboBox;
    Label7: TLabel;
    Label8: TLabel;
    cbxOverwriteCaret: TComboBox;
    cbInsertMode: TCheckBox;
    tabUndo: TTabSheet;
    btnUndo: TButton;
    tabFile: TTabSheet;
    btnLoad: TButton;
    tabInfo: TTabSheet;
    Label9: TLabel;
    Label10: TLabel;
    inpLineText: TEdit;
    Label11: TLabel;
    inpMaxUndo: TSpinEdit;
    cbReadonly: TCheckBox;
    tabDisplay: TTabSheet;
    outFilename: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label20: TLabel;
    Label21: TLabel;
    outLineCount: TEdit;
    tabEvents: TTabSheet;
    FontDialog1: TFontDialog;
    cbxGutterColor: TComboBox;
    inpLeftChar: TSpinEdit;
    inpTopLine: TSpinEdit;
    inpCaretX: TSpinEdit;
    inpCaretY: TSpinEdit;
    cbEnableEventLog: TCheckBox;
    lbEventLog: TListBox;
    Label19: TLabel;
    cbxAttrSelect: TComboBox;
    cbxAttrBackground: TComboBox;
    cbxAttrForeground: TComboBox;
    Label23: TLabel;
    Label24: TLabel;
    grbAttrStyle: TGroupBox;
    btnKeywords: TButton;
    grbAttrComments: TGroupBox;
    cbStyleStrikeOut: TCheckBox;
    cbStyleUnderline: TCheckBox;
    cbStyleItalic: TCheckBox;
    cbStyleBold: TCheckBox;
    btnSaveToReg: TButton;
    btnLoadFromReg: TButton;
    StatusBar: TStatusBar;
    TabSheet1: TTabSheet;
    KeyCmdList: TListView;
    btnEdit: TButton;
    ImageList1: TImageList;
    cbInternalImages: TCheckBox;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    SpeedButton5: TSpeedButton;
    Label25: TLabel;
    inpXOffset: TSpinEdit;
    btnRedo: TButton;
    cbCommentsBas: TCheckBox;
    cbCommentsAsm: TCheckBox;
    cbCommentsPas: TCheckBox;
    cbCommentsAnsi: TCheckBox;
    cbCommentsC: TCheckBox;
    Label22: TLabel;
    cbLineNumbers: TCheckBox;
    cbLeadingZeros: TCheckBox;
    cbZeroStart: TCheckBox;
    cbMouse: TCheckBox;
    cbDrag: TCheckBox;
    cbKeyboard: TCheckBox;
    cbOther: TCheckBox;
    btnClear: TButton;
    tabExporter: TTabSheet;
    cbxExporterSelect: TComboBox;
    Label27: TLabel;
    tabEdit: TTabSheet;
    cbAutoIndent: TCheckBox;
    cbWantTabs: TCheckBox;
    Label6: TLabel;
    inpGutterWidth: TSpinEdit;
    Label29: TLabel;
    inpTabWidth: TSpinEdit;
    Label30: TLabel;
    inpDigitCount: TSpinEdit;
    Label31: TLabel;
    inpLeftOffset: TSpinEdit;
    inpRightOffset: TSpinEdit;
    Label32: TLabel;
    FindDialog1: TFindDialog;
    ReplaceDialog1: TReplaceDialog;
    tabSearch: TTabSheet;
    btnSearch: TButton;
    btnSearchNext: TButton;
    btnSearchPrev: TButton;
    lblSearchResult: TLabel;
    btnReplace: TButton;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    Label16: TLabel;
    Label26: TLabel;
    Label28: TLabel;
    cbHideSelection: TCheckBox;
    inpRightEdge: TSpinEdit;
    cbScrollPastEOL: TCheckBox;
    cbxScrollBars: TComboBox;
    cbxColor: TComboBox;
    cbxForeground: TComboBox;
    cbxBackground: TComboBox;
    btnFont: TButton;
    inpExtraLineSpacing: TSpinEdit;
    cbxREColor: TComboBox;
    cbHalfPageScroll: TCheckBox;
    cbAutoSize: TCheckBox;
    cbDragDropEdit: TCheckBox;
    Label2: TMemo;
    cbGutterVisible: TCheckBox;
    cbUseFontStyle: TCheckBox;
    cbExportSelected: TCheckBox;
    btnExportToFile: TButton;
    SaveDialog1: TSaveDialog;
    btnExportToClipboard: TButton;
    SynEditor: TSynEdit;
    SynExporterHTML1: TSynExporterHTML;
    SynExporterRTF1: TSynExporterRTF;
    SynCompletionProposal1: TSynCompletionProposal;
    SynAutoComplete1: TSynAutoComplete;
    tabAbout: TTabSheet;
    Label33: TLabel;
    Memo1: TMemo;
    SynHC11Syn1: TSynHC11Syn;
    SynADSP21xxSyn1: TSynADSP21xxSyn;
    SynAWKSyn1: TSynAWKSyn;
    SynBaanSyn1: TSynBaanSyn;
    SynCppSyn1: TSynCppSyn;
    SynCacheSyn1: TSynCacheSyn;
    SynCACSyn1: TSynCACSyn;
    SynCssSyn1: TSynCssSyn;
    SynDfmSyn1: TSynDfmSyn;
    SynFortranSyn1: TSynFortranSyn;
    SynFoxproSyn1: TSynFoxproSyn;
    SynGalaxySyn1: TSynGalaxySyn;
    SynDmlSyn1: TSynDmlSyn;
    SynGeneralSyn1: TSynGeneralSyn;
    SynHTMLSyn1: TSynHTMLSyn;
    SynIniSyn1: TSynIniSyn;
    SynInnoSyn1: TSynInnoSyn;
    SynJavaSyn1: TSynJavaSyn;
    SynJScriptSyn1: TSynJScriptSyn;
    SynKixSyn1: TSynKixSyn;
    SynVBScriptSyn1: TSynVBScriptSyn;
    SynBatSyn1: TSynBatSyn;
    SynPerlSyn1: TSynPerlSyn;
    SynPHPSyn1: TSynPHPSyn;
    SynProgressSyn1: TSynProgressSyn;
    SynPythonSyn1: TSynPythonSyn;
    SynSQLSyn1: TSynSQLSyn;
    SynSMLSyn1: TSynSMLSyn;
    SynTclTkSyn1: TSynTclTkSyn;
    SynVBSyn1: TSynVBSyn;
    SynAsmSyn1: TSynAsmSyn;
    SynEditPythonBehaviour1: TSynEditPythonBehaviour;
    SynModelicaSyn1: TSynModelicaSyn;
    SynM3Syn1: TSynM3Syn;
    TabSheet2: TTabSheet;
    Memo2: TMemo;
    Memo3: TMemo;
    cbShrinkList: TCheckBox;
    Label34: TLabel;
    cbCompletionAttr: TComboBox;
    cbxCompletionColor: TComboBox;
    Label35: TLabel;
    SynGWScriptSyn1: TSynGWScriptSyn;
    SynCPMSyn1: TSynCPMSyn;
    SynIdlSyn1: TSynIdlSyn;
    SynHP48Syn1: TSynHP48Syn;
    SynPasSyn1: TSynPasSyn;
    SynSDDSyn1: TSynSDDSyn;
    SynMsgSyn1: TSynMsgSyn;
    SynUnrealSyn1: TSynUnrealSyn;
    SynXMLSyn1: TSynXMLSyn;
    SynSTSyn1: TSynSTSyn;
    procedure btnLoadClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure cbReadonlyClick(Sender: TObject);
    procedure cbHideSelectionClick(Sender: TObject);
    procedure cbScrollPastEOLClick(Sender: TObject);
    procedure cbHalfPageScrollClick(Sender: TObject);
    procedure inpExtraLineSpacingChange(Sender: TObject);
    procedure inpRightEdgeChange(Sender: TObject);
    procedure cbxREColorChange(Sender: TObject);
    procedure cbxScrollBarsChange(Sender: TObject);
    procedure cbxColorChange(Sender: TObject);
    procedure cbxForegroundChange(Sender: TObject);
    procedure cbxBackgroundChange(Sender: TObject);
    procedure btnFontClick(Sender: TObject);
    procedure cbAutoIndentClick(Sender: TObject);
    procedure cbWantTabsClick(Sender: TObject);
    procedure inpTabWidthChange(Sender: TObject);
    procedure cbDragDropEditClick(Sender: TObject);
    procedure cbxInsertCaretChange(Sender: TObject);
    procedure cbxOverwriteCaretChange(Sender: TObject);
    procedure cbInsertModeClick(Sender: TObject);
    procedure cbxGutterColorChange(Sender: TObject);
    procedure inpGutterWidthChange(Sender: TObject);
    procedure inpDigitCountChange(Sender: TObject);
    procedure inpLeftOffsetChange(Sender: TObject);
    procedure inpRightOffsetChange(Sender: TObject);
    procedure cbLineNumbersClick(Sender: TObject);
    procedure cbLeadingZerosClick(Sender: TObject);
    procedure cbZeroStartClick(Sender: TObject);
    procedure cbAutoSizeClick(Sender: TObject);
    procedure cbGutterVisibleClick(Sender: TObject);
    procedure cbUseFontStyleClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure cbEnableKeysClick(Sender: TObject);
    procedure cbGlyphsVisibleClick(Sender: TObject);
    procedure cbInternalImagesClick(Sender: TObject);
    procedure inpLeftMarginChange(Sender: TObject);
    procedure inpXOffsetChange(Sender: TObject);
    procedure btnUndoClick(Sender: TObject);
    procedure btnRedoClick(Sender: TObject);
    procedure inpMaxUndoChange(Sender: TObject);
    procedure SynEditorChange(Sender: TObject);
    procedure SynEditorClick(Sender: TObject);
    procedure SynEditorCommandProcessed(Sender: TObject;
      var Command: TSynEditorCommand; var AChar: Char; Data: Pointer);
    procedure SynEditorDblClick(Sender: TObject);
    procedure SynEditorDragDrop(Sender, Source: TObject; X, Y: Integer);
    procedure SynEditorDragOver(Sender, Source: TObject; X, Y: Integer;
      State: TDragState; var Accept: Boolean);
    procedure SynEditorDropFiles(Sender: TObject; X, Y: Integer;
      AFiles: TStrings);
    procedure SynEditorEnter(Sender: TObject);
    procedure SynEditorExit(Sender: TObject);
    procedure SynEditorKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure SynEditorKeyPress(Sender: TObject; var Key: Char);
    procedure SynEditorKeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure SynEditorMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure SynEditorMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure SynEditorMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure SynEditorPaint(Sender: TObject; ACanvas: TCanvas);
    procedure SynEditorEndDrag(Sender, Target: TObject; X, Y: Integer);
    procedure SynEditorPlaceBookmark(Sender: TObject;
      var Mark: TSynEditMark);
    procedure SynEditorProcessCommand(Sender: TObject;
      var Command: TSynEditorCommand; var AChar: Char; Data: Pointer);
    procedure SynEditorProcessUserCommand(Sender: TObject;
      var Command: TSynEditorCommand; var AChar: Char; Data: Pointer);
    procedure SynEditorReplaceText(Sender: TObject; const ASearch,
      AReplace: String; Line, Column: Integer;
      var Action: TSynReplaceAction);
    procedure SynEditorStartDrag(Sender: TObject;
      var DragObject: TDragObject);
    procedure SynEditorStatusChange(Sender: TObject;
      Changes: TSynStatusChanges);
    procedure cbxExporterSelectChange(Sender: TObject);
    procedure FormResize(Sender: TObject);
    procedure inpLeftCharChange(Sender: TObject);
    procedure inpTopLineChange(Sender: TObject);
    procedure inpCaretXChange(Sender: TObject);
    procedure inpCaretYChange(Sender: TObject);
    procedure cbEnableEventLogClick(Sender: TObject);
    procedure btnClearClick(Sender: TObject);
    procedure cbxHighlighterSelectChange(Sender: TObject);
    procedure cbxAttrSelectChange(Sender: TObject);
    procedure cbxSettingsSelectChange(Sender: TObject);
    procedure cbxAttrForegroundChange(Sender: TObject);
    procedure cbxAttrBackgroundChange(Sender: TObject);
    procedure cbFontStyleClick(Sender: TObject);
    procedure btnSaveToRegClick(Sender: TObject);
    procedure btnLoadFromRegClick(Sender: TObject);
    procedure btnKeywordsClick(Sender: TObject);
    procedure cbCommentsClick(Sender: TObject);
    procedure btnEditClick(Sender: TObject);
    procedure SpeedButtonClick(Sender: TObject);
    procedure btnSearchClick(Sender: TObject);
    procedure btnSearchNextPrevClick(Sender: TObject);
    procedure btnReplaceClick(Sender: TObject);
    procedure DoFindText(Sender: TObject);
    procedure DoReplaceText(Sender: TObject);
    procedure btnExportToFileClick(Sender: TObject);
    procedure btnExportToClipboardClick(Sender: TObject);
    procedure SynEditorContextHelp(Sender: TObject; word: String);
    procedure cbShrinkListClick(Sender: TObject);
    procedure cbCompletionAttrChange(Sender: TObject);
    procedure cbxCompletionColorChange(Sender: TObject);
    procedure SynEditorGutterClick(Sender: TObject; Button: TMouseButton;
      X, Y, Line: Integer; Mark: TSynEditMark);
  private
    fDisableMarkButtons: boolean;
    fFileName: string;
    fHighlighters: TStringList;
    fMarkButtons: array [0..4] of TSpeedButton;
    fShown: boolean;
    procedure EnumerateExporters;
    function GetSelectedExporter: TSynCustomExporter;
    procedure LoadFile(const AFileName: string; AReadOnly: boolean);
    procedure LogEvent(AEvent: string);
    procedure RebuildMarks;
    procedure RecalcLeftMargin;
    procedure ReloadAttributes;
    procedure ResetMarkButtons;
    procedure ShowSuccess(ASuccess: boolean);
    procedure UpdateCanExport;
    procedure UpdateEditorSettings;
    procedure UpdateKeystrokesList;
  end;

var
  DemoMainForm: TDemoMainForm;

implementation

{$R *.DFM}

uses
  uHighlighterProcs, Unit2, Clipbrd, SynEditTypes, SynEditSearch;

const
  Colors: array[1..42 {sic!}] of TColor = (clBlack, clMaroon, clGreen, clOlive,
    clNavy, clPurple, clTeal, clDkGray, clLtGray, clRed, clLime,
    clYellow, clBlue, clFuchsia, clAqua, clWhite, clScrollBar,
    clBackground, clActiveCaption, clInactiveCaption, clMenu, clWindow,
    clWindowFrame, clMenuText, clWindowText, clCaptionText,