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TAChart: Deactivate cross-hair tool after call to Hide

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git-svn-id: trunk@32025 -
This commit is contained in:
ask 2011-08-21 09:01:13 +00:00
parent 9835faabb1
commit 1f845378e0
1 changed files with 18 additions and 11 deletions
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29
components/tachart/tatools.pas
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@ -381,6 +381,7 @@ type
FShape: TChartCrosshairShape; FShape: TChartCrosshairShape;
FSize: Integer; FSize: Integer;
procedure DoDraw; procedure DoDraw;
procedure DoHide;
procedure SetCrosshairPen(AValue: TChartPen); procedure SetCrosshairPen(AValue: TChartPen);
public public
constructor Create(AOwner: TComponent); override; constructor Create(AOwner: TComponent); override;
@ -1461,6 +1462,20 @@ begin
OnDraw(Self); OnDraw(Self);
end; end;
procedure TDataPointCrosshairTool.DoHide;
begin
if FSeries = nil then exit;
FSeries := nil;
case EffectiveDrawingMode of
tdmXor: begin
PrepareXorPen(FChart.Canvas);
DoDraw;
end;
tdmNormal:
FChart.StyleChanged(Self);
end;
end;
procedure TDataPointCrosshairTool.Draw(AChart: TChart; ADrawer: IChartDrawer); procedure TDataPointCrosshairTool.Draw(AChart: TChart; ADrawer: IChartDrawer);
begin begin
if FSeries = nil then exit; if FSeries = nil then exit;
@ -1476,16 +1491,8 @@ end;
procedure TDataPointCrosshairTool.Hide; procedure TDataPointCrosshairTool.Hide;
begin begin
if FSeries = nil then exit; DoHide;
FSeries := nil; FChart := nil;
case EffectiveDrawingMode of
tdmXor: begin
PrepareXorPen(FChart.Canvas);
DoDraw;
end;
tdmNormal:
FChart.StyleChanged(Self);
end;
end; end;
procedure TDataPointCrosshairTool.KeyDown(APoint: TPoint); procedure TDataPointCrosshairTool.KeyDown(APoint: TPoint);
@ -1495,7 +1502,7 @@ end;
procedure TDataPointCrosshairTool.MouseMove(APoint: TPoint); procedure TDataPointCrosshairTool.MouseMove(APoint: TPoint);
begin begin
Hide; DoHide;
FindNearestPoint(APoint); FindNearestPoint(APoint);
if FSeries = nil then exit; if FSeries = nil then exit;
FPosition := FNearestGraphPoint; FPosition := FNearestGraphPoint;