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tvplanit: Show scroll buttons in NavBar.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4995 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2016-07-18 19:14:47 +00:00
parent 164b3de42e
commit 066ed681f4
1 changed files with 23 additions and 0 deletions
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23
components/tvplanit/source/vpnavbarpainter.pas
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@@ -891,6 +891,29 @@ begin
{ Draw the folder buttons at the bottom } { Draw the folder buttons at the bottom }
DrawBottomFolderButtons(DrawBmp.Canvas, MyRect, CurPos); DrawBottomFolderButtons(DrawBmp.Canvas, MyRect, CurPos);
if not (csDesigning in FNavBar.ComponentState) then begin
{show the top scroll button}
if TVpNavBarOpener(FNavBar).nabShowScrollUp then begin
nabScrollUpBtn.Top := FNavBar.Folders[FActiveFolder].Rect.Bottom + 5;
nabScrollUpBtn.Left := FNavBar.ClientWidth - 20;
nabScrollUpBtn.Visible := True;
end else
nabScrollUpBtn.Visible := False;
{show the bottom scroll button}
if TVpNavBarOpener(FnavBar).nabShowScrollDown then begin
if FActiveFolder = FNavBar.FolderCount-1 then
{there are no folders beyond the active one}
nabScrollDownBtn.Top := FNavBar.ClientHeight -20
else
nabScrollDownBtn.Top := FNavBar.Folders[FActiveFolder+1].Rect.Top - 20;
nabScrollDownBtn.Left := FNavBar.ClientWidth - 20;
nabScrollDownBtn.Visible := True;
end else
nabScrollDownBtn.Visible := False;
end;
finally finally
{ Copy the buffer bitmap to the control } { Copy the buffer bitmap to the control }
FNavBar.Canvas.CopyMode := cmSrcCopy; FNavBar.Canvas.CopyMode := cmSrcCopy;