lazarus/components/synedit/syneditmarkup.pp

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{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
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-------------------------------------------------------------------------------}
unit SynEditMarkup;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Graphics, SynEditTypes, LazSynEditText, SynEditPointClasses,
SynEditMiscClasses, Controls, SynEditHighlighter, LCLProc;
type
TLazSynDisplayRtlInfo = record
IsRtl: Boolean;
PhysLeft, PhysRight: integer; // 1-based
LogFirst, LogLast: integer;
end;
TSynEditMarkupClass = class of TSynEditMarkup;
{ TSynEditMarkup }
TSynEditMarkup = class(TObject)
private
FMarkupInfo : TSynSelectedColor;
FLines : TSynEditStrings;
FCaret : TSynEditCaret;
FTopLine, FLinesInWindow : Integer;
FSynEdit : TSynEditBase;
FInvalidateLinesMethod : TInvalidateLines;
FEnabled: Boolean;
FTempEnable: Integer;
function GetBGColor : TColor;
function GetEnabled: Boolean;
function GetFGColor : TColor;
function GetFrameColor: TColor;
function GetFrameStyle: TSynLineStyle;
function GetStyle : TFontStyles;
procedure SetBGColor(const AValue : TColor);
procedure SetEnabled(const AValue: Boolean);
procedure SetFGColor(const AValue : TColor);
procedure SetFrameColor(const AValue : TColor);
procedure SetStyle(const AValue : TFontStyles);
protected
FPaintLock: Integer;
procedure MarkupChanged(AMarkup: TObject);
procedure SetInvalidateLinesMethod(const AValue : TInvalidateLines); virtual;
procedure SetLines(const AValue : TSynEditStrings); virtual;
procedure SetTopLine(const AValue : Integer); virtual;
procedure SetLinesInWindow(const AValue : Integer); virtual;
procedure SetCaret(const AValue : TSynEditCaret); virtual;
procedure DoEnabledChanged(Sender: TObject); virtual;
procedure DoCaretChanged(Sender: TObject); virtual;
procedure DoTopLineChanged(OldTopLine : Integer); virtual;
procedure DoLinesInWindoChanged(OldLinesInWindow : Integer); virtual;
procedure DoTextChanged(StartLine, EndLine, ACountDiff: Integer); virtual; // 1 based
procedure DoMarkupChanged(AMarkup: TSynSelectedColor); virtual;
procedure DoVisibleChanged(AVisible: Boolean); virtual;
procedure InvalidateSynLines(FirstLine, LastLine: integer); // Call Synedt to invalidate lines
function ScreenRowToRow(aRow : Integer) : Integer;
function RowToScreenRow(aRow : Integer) : Integer;
function LogicalToPhysicalPos(const p: TPoint): TPoint;
function PhysicalToLogicalPos(const p: TPoint): TPoint;
function Highlighter: TSynCustomHighlighter;
function OwnedByMgr: Boolean; virtual; // overwrite, do prevent destruction by mgr
// Merge with results from others
procedure GetNextMarkupColAfterRowColEx(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo;
var ANextPhys, ANextLog: Integer);
property SynEdit : TSynEditBase read fSynEdit;
public
constructor Create(ASynEdit : TSynEditBase);
destructor Destroy; override;
Procedure PrepareMarkupForRow(aRow : Integer); virtual;
Procedure FinishMarkupForRow(aRow : Integer); virtual;
Procedure EndMarkup; virtual;
Function GetMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo) : TSynSelectedColor; virtual; abstract;
Procedure GetNextMarkupColAfterRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo;
out ANextPhys, ANextLog: Integer); virtual; abstract;
procedure MergeMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol, AEndCol :TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo;
AMarkup: TSynSelectedColorMergeResult); virtual;
// Notifications about Changes to the text
Procedure TextChanged(aFirstCodeLine, aLastCodeLine, ACountDiff: Integer); virtual; // 1 based
Procedure TempDisable;
Procedure TempEnable;
procedure IncPaintLock; virtual;
procedure DecPaintLock; virtual;
function RealEnabled: Boolean; virtual;
property MarkupInfo : TSynSelectedColor read fMarkupInfo;
property FGColor : TColor read GetFGColor;
property BGColor : TColor read GetBGColor;
property FrameColor: TColor read GetFrameColor;
property FrameStyle: TSynLineStyle read GetFrameStyle;
property Style : TFontStyles read GetStyle;
property Enabled: Boolean read GetEnabled write SetEnabled;
property Lines : TSynEditStrings read fLines write SetLines;
property Caret : TSynEditCaret read fCaret write SetCaret;
property TopLine : Integer read fTopLine write SetTopLine;
property LinesInWindow : Integer read fLinesInWindow write SetLinesInWindow;
property InvalidateLinesMethod : TInvalidateLines write SetInvalidateLinesMethod;
end;
{ TSynEditMarkupManager }
TSynEditMarkupManager = class(TSynEditMarkup) { TODO: Forward onchange calls to all others }
private
fMarkUpList : TList;
function GetMarkup(Index: integer): TSynEditMarkup;
function GetMarkupByClass(Index: TSynEditMarkupClass): TSynEditMarkup;
protected
procedure SetInvalidateLinesMethod(const AValue : TInvalidateLines); override;
procedure SetLines(const AValue : TSynEditStrings); override;
procedure SetTopLine(const AValue : Integer); override;
procedure SetLinesInWindow(const AValue : Integer); override;
procedure SetCaret(const AValue : TSynEditCaret); override;
public
constructor Create(ASynEdit : TSynEditBase);
destructor Destroy; override;
procedure IncPaintLock; override;
procedure DecPaintLock; override;
procedure DoVisibleChanged(AVisible: Boolean); override;
Procedure AddMarkUp(aMarkUp : TSynEditMarkup; AsFirst: Boolean = False);
Procedure RemoveMarkUp(aMarkUp : TSynEditMarkup);
function Count: Integer;
property Markup[Index: integer]: TSynEditMarkup
read GetMarkup;
property MarkupByClass[Index: TSynEditMarkupClass]: TSynEditMarkup
read GetMarkupByClass;
Procedure PrepareMarkupForRow(aRow : Integer); override;
Procedure FinishMarkupForRow(aRow : Integer); override;
Procedure EndMarkup; override;
Function GetMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo) : TSynSelectedColor; override;
procedure GetNextMarkupColAfterRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo;
out ANextPhys, ANextLog: Integer); override;
procedure MergeMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol, AEndCol :TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo;
AMarkup: TSynSelectedColorMergeResult); override;
// Notifications about Changes to the text
Procedure TextChanged(aFirstCodeLine, aLastCodeLine, ACountDiff: Integer); override;
end;
implementation
uses SynEdit;
{ TSynEditMarkup }
function TSynEditMarkup.GetBGColor : TColor;
begin
result := fMarkupInfo.Background;
end;
function TSynEditMarkup.GetEnabled: Boolean;
begin
Result := FEnabled and (FTempEnable = 0);
end;
function TSynEditMarkup.GetFGColor : TColor;
begin
result := fMarkupInfo.Foreground;
end;
function TSynEditMarkup.GetFrameColor: TColor;
begin
Result := fMarkupInfo.FrameColor;
end;
function TSynEditMarkup.GetFrameStyle: TSynLineStyle;
begin
Result := FMarkupInfo.FrameStyle;
end;
function TSynEditMarkup.GetStyle : TFontStyles;
begin
Result := fMarkupInfo.Style;
end;
procedure TSynEditMarkup.SetBGColor(const AValue : TColor);
begin
if fMarkupInfo.Background = AValue then exit;
fMarkupInfo.Background := AValue;
end;
procedure TSynEditMarkup.SetEnabled(const AValue: Boolean);
begin
if AValue = FEnabled then exit;
FEnabled := AValue;
DoEnabledChanged(self);
end;
procedure TSynEditMarkup.SetFGColor(const AValue : TColor);
begin
if fMarkupInfo.Foreground = AValue then exit;
fMarkupInfo.Foreground := AValue;
end;
procedure TSynEditMarkup.SetFrameColor(const AValue: TColor);
begin
if fMarkupInfo.FrameColor = AValue then exit;
fMarkupInfo.FrameColor := AValue;
end;
procedure TSynEditMarkup.SetStyle(const AValue : TFontStyles);
begin
if fMarkupInfo.Style = AValue then exit;
fMarkupInfo.Style := AValue;
end;
procedure TSynEditMarkup.MarkupChanged(AMarkup : TObject);
begin
DoMarkupChanged(AMarkup as TSynSelectedColor);
end;
procedure TSynEditMarkup.SetLines(const AValue : TSynEditStrings);
begin
if fLines = AValue then exit;
fLines := AValue;
end;
procedure TSynEditMarkup.SetInvalidateLinesMethod(const AValue : TInvalidateLines);
begin
if fInvalidateLinesMethod = AValue then exit;
fInvalidateLinesMethod := AValue;
end;
procedure TSynEditMarkup.SetCaret(const AValue : TSynEditCaret);
var
r: Boolean;
begin
// only register caret change callback, if handler is overriden
r := TMethod(@Self.DoCaretChanged).Code <> Pointer(@TSynEditMarkup.DoCaretChanged);
if r and (FCaret <> nil) then
FCaret.RemoveChangeHandler(@DoCaretChanged);
FCaret := AValue;
if r and (FCaret <> nil) then
FCaret.AddChangeHandler(@DoCaretChanged);
end;
procedure TSynEditMarkup.DoEnabledChanged(Sender: TObject);
begin
end;
procedure TSynEditMarkup.SetTopLine(const AValue : Integer);
var
OldValue : Integer;
begin
if fTopLine = AValue then exit;
OldValue :=fTopLine;
fTopLine := AValue;
DoTopLineChanged(OldValue);
end;
procedure TSynEditMarkup.SetLinesInWindow(const AValue : Integer);
var
OldValue : Integer;
begin
if FLinesInWindow = AValue then exit;
OldValue :=FLinesInWindow;
FLinesInWindow := AValue;
DoLinesInWindoChanged(OldValue);
end;
procedure TSynEditMarkup.DoCaretChanged(Sender: TObject);
begin
end;
procedure TSynEditMarkup.DoTopLineChanged(OldTopLine : Integer);
begin
end;
procedure TSynEditMarkup.DoLinesInWindoChanged(OldLinesInWindow : Integer);
begin
end;
procedure TSynEditMarkup.DoTextChanged(StartLine, EndLine, ACountDiff: Integer);
begin
end;
procedure TSynEditMarkup.DoMarkupChanged(AMarkup : TSynSelectedColor);
begin
end;
procedure TSynEditMarkup.DoVisibleChanged(AVisible: Boolean);
begin
//
end;
procedure TSynEditMarkup.InvalidateSynLines(FirstLine, LastLine : integer);
begin
if assigned(fInvalidateLinesMethod)
then fInvalidateLinesMethod(FirstLine, LastLine);
end;
function TSynEditMarkup.ScreenRowToRow(aRow : Integer) : Integer;
begin
Result := TCustomSynEdit(SynEdit).ScreenRowToRow(aRow);
end;
function TSynEditMarkup.RowToScreenRow(aRow : Integer) : Integer;
begin
Result := TCustomSynEdit(SynEdit).RowToScreenRow(aRow);
end;
function TSynEditMarkup.LogicalToPhysicalPos(const p : TPoint) : TPoint;
begin
Result := FLines.LogicalToPhysicalPos(p);
end;
function TSynEditMarkup.PhysicalToLogicalPos(const p: TPoint): TPoint;
begin
Result := FLines.PhysicalToLogicalPos(p);
end;
function TSynEditMarkup.Highlighter : TSynCustomHighlighter;
begin
Result := TCustomSynEdit(SynEdit).Highlighter;
end;
function TSynEditMarkup.OwnedByMgr: Boolean;
begin
Result := True;
end;
procedure TSynEditMarkup.GetNextMarkupColAfterRowColEx(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound; const AnRtlInfo: TLazSynDisplayRtlInfo;
var ANextPhys, ANextLog: Integer);
var
p, l : integer;
begin
if not RealEnabled then
exit;
GetNextMarkupColAfterRowCol(aRow, aStartCol, AnRtlInfo, p, l);
if p > 0 then begin
if AnRtlInfo.IsRtl then begin
if p >= aStartCol.Physical then begin
debugln(['Bad Next phys pos in GetNextMarkupColAfterRowCol ',p,' wanted < ',aStartCol.Physical, ' from ',ClassName]);
end
else
if (p > ANextPhys) or (ANextPhys<0) then ANextPhys := p;
end else begin
if p <= aStartCol.Physical then begin
debugln(['Bad Next phys pos in GetNextMarkupColAfterRowCol ',p,' wanted > ',aStartCol.Physical, ' from ',ClassName]);
end
else
if (p < ANextPhys) or (ANextPhys<0) then ANextPhys := p;
end;
end;
if (l > 0) and (l <= aStartCol.Logical) then begin
debugln(['Bad Next logic pos in GetNextMarkupColAfterRowCol ',p,' wanted > ',aStartCol.Physical, ' from ',ClassName]);
end
else
if ((l>0) and (l < ANextLog)) or (ANextLog<0) then ANextLog := l;
end;
constructor TSynEditMarkup.Create(ASynEdit : TSynEditBase);
begin
inherited Create();
fSynEdit := ASynEdit;
FEnabled := true;
FTempEnable := 0;
fMarkupInfo := TSynSelectedColor.Create;
fMarkupInfo.OnChange := @MarkupChanged;
end;
destructor TSynEditMarkup.Destroy;
begin
// unregister caret handler
Caret := nil;
FreeAndNil(fMarkupInfo);
inherited Destroy;
end;
procedure TSynEditMarkup.FinishMarkupForRow(aRow: Integer);
begin
end;
procedure TSynEditMarkup.EndMarkup;
begin
end;
procedure TSynEditMarkup.MergeMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol, AEndCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo; AMarkup: TSynSelectedColorMergeResult);
var
c: TSynSelectedColor;
begin
c := GetMarkupAttributeAtRowCol(aRow, aStartCol, AnRtlInfo);
if assigned(c) then
AMarkup.Merge(c, aStartCol, AEndCol);
end;
procedure TSynEditMarkup.TextChanged(aFirstCodeLine, aLastCodeLine, ACountDiff: Integer);
begin
DoTextChanged(aFirstCodeLine, aLastCodeLine, ACountDiff);
end;
procedure TSynEditMarkup.TempDisable;
begin
inc(FTempEnable);
end;
procedure TSynEditMarkup.TempEnable;
begin
if FTempEnable > 0 then
dec(FTempEnable);
end;
procedure TSynEditMarkup.IncPaintLock;
begin
inc(FPaintLock);
end;
procedure TSynEditMarkup.DecPaintLock;
begin
if FPaintLock > 0 then
dec(FPaintLock);
end;
function TSynEditMarkup.RealEnabled: Boolean;
begin
Result := Enabled and MarkupInfo.IsEnabled;
end;
procedure TSynEditMarkup.PrepareMarkupForRow(aRow: Integer);
begin
end;
{ TSynEditMarkupManager }
constructor TSynEditMarkupManager.Create(ASynEdit : TSynEditBase);
begin
inherited Create(ASynEdit);
fMarkUpList := TList.Create;
end;
destructor TSynEditMarkupManager.Destroy;
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do
if TSynEditMarkup(fMarkUpList[i]).OwnedByMgr then
TSynEditMarkup(fMarkUpList[i]).destroy;
FreeAndNil(fMarkUpList);
inherited Destroy;
end;
procedure TSynEditMarkupManager.IncPaintLock;
var
i: Integer;
begin
inherited IncPaintLock;
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).IncPaintLock;
end;
procedure TSynEditMarkupManager.DecPaintLock;
var
i: Integer;
begin
inherited DecPaintLock;
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).DecPaintLock;
end;
procedure TSynEditMarkupManager.AddMarkUp(aMarkUp: TSynEditMarkup; AsFirst: Boolean);
begin
if AsFirst then
fMarkUpList.Insert(0, aMarkUp)
else
fMarkUpList.Add(aMarkUp);
aMarkUp.Lines := Lines;
aMarkUp.Caret := Caret;
aMarkUp.TopLine := TopLine;
aMarkUp.LinesInWindow := LinesInWindow;
aMarkUp.InvalidateLinesMethod := FInvalidateLinesMethod;
end;
procedure TSynEditMarkupManager.RemoveMarkUp(aMarkUp: TSynEditMarkup);
var
i: LongInt;
begin
i := fMarkUpList.IndexOf(aMarkUp);
if i >= 0 then begin
// unregister the caret handler, no longer controled by this synedit
TSynEditMarkup(fMarkUpList[i]).Caret := nil;
fMarkUpList.Delete(i);
end;
end;
function TSynEditMarkupManager.Count: Integer;
begin
Result := fMarkUpList.Count;
end;
procedure TSynEditMarkupManager.FinishMarkupForRow(aRow: Integer);
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do
if TSynEditMarkup(fMarkUpList[i]).RealEnabled then
TSynEditMarkup(fMarkUpList[i]).FinishMarkupForRow(aRow);
end;
procedure TSynEditMarkupManager.EndMarkup;
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do
if TSynEditMarkup(fMarkUpList[i]).RealEnabled then
TSynEditMarkup(fMarkUpList[i]).EndMarkup;
end;
procedure TSynEditMarkupManager.PrepareMarkupForRow(aRow: Integer);
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do
if TSynEditMarkup(fMarkUpList[i]).RealEnabled then
TSynEditMarkup(fMarkUpList[i]).PrepareMarkupForRow(aRow);
end;
procedure TSynEditMarkupManager.MergeMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol, AEndCol: TLazSynDisplayTokenBound; const AnRtlInfo: TLazSynDisplayRtlInfo;
AMarkup: TSynSelectedColorMergeResult);
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do begin
if TSynEditMarkup(fMarkUpList[i]).RealEnabled then
TSynEditMarkup(fMarkUpList[i]).MergeMarkupAttributeAtRowCol
(aRow, aStartCol, AEndCol, AnRtlInfo, AMarkup);
end;
end;
function TSynEditMarkupManager.GetMarkupAttributeAtRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound;
const AnRtlInfo: TLazSynDisplayRtlInfo): TSynSelectedColor;
begin
assert(false);
Result := MarkupInfo;
Result.Clear;
//MergeMarkupAttributeAtRowCol(aRow, aCol, GetNextMarkupColAfterRowCol(aRow, aCol) - 1, Result);
end;
procedure TSynEditMarkupManager.GetNextMarkupColAfterRowCol(const aRow: Integer;
const aStartCol: TLazSynDisplayTokenBound; const AnRtlInfo: TLazSynDisplayRtlInfo; out ANextPhys,
ANextLog: Integer);
var
i : integer;
begin
ANextLog := -1;
ANextPhys := -1;
if fMarkUpList.Count = 0
then exit;
TSynEditMarkup(fMarkUpList[0]).GetNextMarkupColAfterRowCol(aRow, aStartCol, AnRtlInfo, ANextPhys, ANextLog);
for i := 1 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).GetNextMarkupColAfterRowColEx(aRow, aStartCol, AnRtlInfo, ANextPhys, ANextLog);
end;
procedure TSynEditMarkupManager.TextChanged(aFirstCodeLine, aLastCodeLine,
ACountDiff: Integer);
var
i : integer;
begin
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).TextChanged(aFirstCodeLine, aLastCodeLine, ACountDiff);
end;
function TSynEditMarkupManager.GetMarkup(Index: integer): TSynEditMarkup;
begin
Result := TSynEditMarkup(fMarkUpList[Index]);
end;
function TSynEditMarkupManager.GetMarkupByClass(Index: TSynEditMarkupClass): TSynEditMarkup;
var
i : Integer;
begin
Result := nil;
for i := 0 to fMarkUpList.Count-1 do
if TSynEditMarkup(fMarkUpList[i]).ClassType = Index then
exit(TSynEditMarkup(fMarkUpList[i]));
end;
procedure TSynEditMarkupManager.SetInvalidateLinesMethod(const AValue : TInvalidateLines);
var
i : integer;
begin
inherited SetInvalidateLinesMethod(AValue);
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).SetInvalidateLinesMethod(AValue);
end;
procedure TSynEditMarkupManager.SetLines(const AValue : TSynEditStrings);
var
i : integer;
begin
inherited SetLines(AValue);
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).SetLines(AValue) ;
end;
procedure TSynEditMarkupManager.SetTopLine(const AValue : Integer);
var
i : integer;
begin
inherited SetTopLine(AValue);
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).SetTopLine(AValue);
end;
procedure TSynEditMarkupManager.SetLinesInWindow(const AValue : Integer);
var
i : integer;
begin
inherited SetLinesInWindow(AValue);
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).SetLinesInWindow(AValue);
end;
procedure TSynEditMarkupManager.SetCaret(const AValue : TSynEditCaret);
var
i : integer;
begin
inherited SetCaret(AValue);
if fMarkUpList = nil then exit;
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).SetCaret(AValue);
end;
procedure TSynEditMarkupManager.DoVisibleChanged(AVisible: Boolean);
var
i: Integer;
begin
inherited DoVisibleChanged(AVisible);
if fMarkUpList = nil then exit;
for i := 0 to fMarkUpList.Count-1 do
TSynEditMarkup(fMarkUpList[i]).DoVisibleChanged(AVisible);
end;
end.
(*
procedure CalculateNextChangePos(FromPos: Integer);
begin
ChangePos:= nc2+1; // Draw the Rest
ChangeTyp := [];
hsCol1 := fMarkupHighAll.GetNextMarkupColAfterRowCol(CurLine, FromPos-1);
if (nC1Sel >= FromPos) then begin
ChangePos := nC1Sel;
ChangeTyp := [cSelOn];
end;
if ((nC2Sel >= FromPos) and (nC2Sel <= ChangePos)) then begin
if (nC2Sel < ChangePos)
then ChangeTyp := [cSelOff]
else include(ChangeTyp, cSelOff);
ChangePos := nC2Sel;
end;
if ((hsCol1 >= FromPos) and (hsCol1 <= ChangePos)) then begin
hsMarkup := fMarkupHighAll.GetMarkupAttributeAtRowCol(CurLine, hsCol1);
if hsMarkup<>nil then begin;
if (hsCol1 < ChangePos)
then ChangeTyp := [CHLightOn]
else include(ChangeTyp, CHLightOn);
end else begin
if (hsCol1 < ChangePos)
then ChangeTyp := [CHLightOff]
else include(ChangeTyp, CHLightOff);
end;
ChangePos := hsCol1;
// only because this is last
end;
end;
var
CurrentColor : TDrawingColors;
WantedColor : Set of TDrawingColors;
procedure ExecuteChangePos;
var
NewColor : TDrawingColors;
begin
if (cSelOn in ChangeTyp) then include(WantedColor, dcSelected);
if (cSelOff in ChangeTyp) then exclude(WantedColor, dcSelected);
if (CHLightOn in ChangeTyp) then include(WantedColor, dcHighlighted);
if (CHLightOff in ChangeTyp) then exclude(WantedColor, dcHighlighted);
if dcSelected in WantedColor
then NewColor:= dcSelected
else if dcHighlighted in WantedColor
then NewColor:= dcHighlighted
else NewColor:= dcNormal;
if NewColor <> CurrentColor then SetDrawingColors(NewColor);
CurrentColor:=NewColor;
end;
*)