paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-08-11 15:16:10 +02:00
Code Issues Packages Projects Releases Wiki Activity

cocoa: additional check on processing tab switch event. Need to investigate why a page view doesn't have any subview

Browse Source 
git-svn-id: trunk@58514 -
This commit is contained in:
dmitry 2018-07-14 04:24:24 +00:00
parent fb5dac044d
commit f0aa55068a
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lcl/interfaces/cocoa/cocoawscomctrls.pas
View File

@ -236,12 +236,18 @@ var
begin
Result:=aTabIndex;
if not Assigned(trg) or not (trg is TCustomTabControl) then Exit;
if (aTabIndex<0) or (atabIndex>=src.fulltabs.count) then begin
if (aTabIndex<0) or (atabIndex>=src.fulltabs.count) then
begin
aTabIndex:=-1;
Exit;
end;
tbitem:=TCocoaTabPage(src.fulltabs.objectAtIndex(aTabIndex));
if NSView(tbitem.view).subviews.count=0 then
begin
aTabIndex:=-1;
Exit;
end;
hnd := HWND(NSView(tbitem.view).subviews.objectAtIndex(0));
tb:=TCustomTabControl(trg);