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lcl: reset parent orientation if we remove control and parent stay only with 1 child (fixes crash in insertcontrol)

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git-svn-id: trunk@17865 -
This commit is contained in:
paul 2008-12-19 10:52:07 +00:00
parent 4620b0c84b
commit 3817032fa7
1 changed files with 9 additions and 1 deletions
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10
lcl/ldocktree.pas
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@ -1220,12 +1220,16 @@ procedure TLazDockTree.InsertControl(AControl: TControl; InsertAt: TAlign;
end;
var
DropZone, OldParentZone, NewParentZone: TDockZone;
CtlZone, DropZone, OldParentZone, NewParentZone: TDockZone;
NewZone: TLazDockZone;
NewOrientation: TDockOrientation;
NeedNewParentZone: Boolean;
NewBounds: TRect;
begin
CtlZone := RootZone.FindZone(AControl);
if CtlZone <> nil then
RemoveControl(AControl);
if (DropControl = nil) or (DropControl = AControl) then
DropControl := DockSite;
@ -1359,6 +1363,10 @@ begin
RemoveZone := ParentZone;
end;
// reset orientation
if (RemoveZone.ChildCount = 1) and (RemoveZone.Orientation in [doHorizontal, doVertical]) then
RemoveZone.Orientation := doNoOrient;
// Build dock layout (anchors, splitters, pages)
if (RemoveZone.Parent <> nil) then
BuildDockLayout(RemoveZone.Parent as TLazDockZone)