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improve wxTreeCtrl::ScrollTo() behaviour in the generic version and add a test for it to the sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60835 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-05-31 13:08:16 +00:00
parent 671683c445
commit 51a5c8df7c
3 changed files with 19 additions and 0 deletions
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15
samples/treectrl/treetest.cpp
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@@ -138,6 +138,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
MENU_LINK(ShowParent)
MENU_LINK(ShowPrevSibling)
MENU_LINK(ShowNextSibling)
MENU_LINK(ScrollTo)
#undef MENU_LINK
END_EVENT_TABLE()
@@ -297,6 +298,9 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
item_menu->Append(TreeTest_ShowParent, "Show pa&rent");
item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling");
item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling");
item_menu->AppendSeparator();
item_menu->Append(TreeTest_ScrollTo, "Scroll &to item",
"Scroll to the last by one top level child");
#ifndef NO_MULTIPLE_SELECTION
item_menu->AppendSeparator();
@@ -821,6 +825,17 @@ void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label)
label, m_treeCtrl->GetItemText(new_item));
}
void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event))
{
// scroll to the last but one top level child
wxTreeItemId item = m_treeCtrl->GetPrevSibling(
m_treeCtrl->GetLastChild(
m_treeCtrl->GetRootItem()));
CHECK_ITEM( item );
m_treeCtrl->ScrollTo(item);
}
void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
{
wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());