paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-08-23 14:29:07 +02:00
Code Issues Packages Projects Releases Wiki Activity

lcl: improve InsertMarkType detection for TTreeView by patch of Paul Michell (issue #0013314)

Browse Source 
git-svn-id: trunk@18991 -
This commit is contained in:
paul 2009-03-14 16:09:15 +00:00
parent af8f77fb82
commit 6526ca074b
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lcl/include/treeview.inc
View File

@ -3401,14 +3401,18 @@ begin
if Y<0 then Y:=0;
if Y>=ClientHeight then Y:=ClientHeight-1;
ANode:=GetNodeAtY(Y);
NodeRect:=ANode.DisplayRect(false);
NodeMidY:=(NodeRect.Top+NodeRect.Bottom) div 2;
if ANode<>nil then begin
AnInsertMarkNode:=ANode;
if (X>AnInsertMarkNode.DisplayExpandSignRight) then
// insert as first child of pointed node
AnInsertMarkType:=tvimAsFirstChild
else begin
NodeRect:=ANode.DisplayRect(false);
NodeMidY:=(NodeRect.Top+NodeRect.Bottom) div 2;
if Y>=NodeMidY then begin
// insert as first child of pointed node
AnInsertMarkType:=tvimAsFirstChild;
end else begin
// insert as previous sibling of pointed node
AnInsertMarkType:=tvimAsPrevSibling;
end else begin
if Y>=NodeMidY then begin
if ANode.Expanded and ANode.HasChildren then begin
// insert as first child of pointed node
@ -3418,6 +3422,7 @@ begin
AnInsertMarkType:=tvimAsNextSibling;
end;
end else begin
// insert as previous sibling of pointed node
AnInsertMarkType:=tvimAsPrevSibling;
end;
end;