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SynEdit: wrap, refactor GetLineForForWrap into NodeHolder

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git-svn-id: trunk@63661 -
This commit is contained in:
martin 2020-07-28 16:14:34 +00:00
parent 4649c9029a
commit 9de9851213
1 changed files with 16 additions and 14 deletions
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30
components/synedit/syneditviewedlinemap.pp
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@ -149,6 +149,8 @@ function GetWrappedOffsetFor(ARealOffset: IntIdx): IntIdx; virtual; abstract;
function RealStartLine: Integer; // Offset
function RealEndLine: Integer; // Offset + RealCount - 1;
function GetLineForForWrap(AWrapLine: TLineIdx; out AWrapOffset: TLineIdx): TLineIdx;
function TextXYIdxToViewXYIdx(ATextXYIdx: TPhysPoint): TPhysPoint;
function ViewXYIdxToTextXYIdx(AViewXYIdx: TPhysPoint): TPhysPoint;
@ -802,6 +804,19 @@ begin
Result := FStartLine + FData.RealEndLine;
end;
function TSynEditLineMapPageHolder.GetLineForForWrap(AWrapLine: TLineIdx; out
AWrapOffset: TLineIdx): TLineIdx;
begin
if (not HasPage) or (StartLine + ViewedCountDifferenceBefore > AWrapLine) then begin
// no wrapped line before AWrapLine;
Result := AWrapLine;
AWrapOffset := 0;
exit;
end;
Result := StartLine + Page.GetOffsetForWrap(AWrapLine - StartLine - ViewedCountDifferenceBefore, AWrapOffset);
end;
function TSynEditLineMapPageHolder.TextXYIdxToViewXYIdx(ATextXYIdx: TPhysPoint
): TPhysPoint;
begin
@ -1243,21 +1258,8 @@ var
pg: TSynEditLineMapPageHolder;
begin
pg := FindPageForWrap(AWrapLine);
if not pg.HasPage then begin
Result := 0;
AWrapOffset := 0;
exit;
end;
if pg.StartLine + pg.ViewedCountDifferenceBefore > AWrapLine then begin
// no wrapped line before AWrapLine;
Result := AWrapLine;
AWrapOffset := 0;
exit;
end;
// TODO: this may be the next node.
Result := pg.StartLine + pg.Page.GetOffsetForWrap(AWrapLine - pg.StartLine - pg.ViewedCountDifferenceBefore, AWrapOffset);
Result := pg.GetLineForForWrap(AWrapLine, AWrapOffset);
end;
function TSynLineMapAVLTree.TextXYIdxToViewXYIdx(ATextXYIdx: TPhysPoint