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implement wxListBox::EnsureVisible() in wxGTK; add a test for it to the widgets sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51659 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-02-11 16:03:23 +00:00
parent 067fd8b47e
commit 0d29a4828e
3 changed files with 80 additions and 8 deletions
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14
src/gtk/listbox.cpp
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@@ -846,7 +846,7 @@ void wxListBox::GtkSetSelection(int n, const bool select, const bool blockEvent)
m_blockEvent = false;
}
void wxListBox::DoSetFirstItem( int n )
void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
{
wxCHECK_RET( m_treeview, wxT("invalid listbox") );
wxCHECK_RET( IsValid(n), wxT("invalid index"));
@@ -864,11 +864,21 @@ void wxListBox::DoSetFirstItem( int n )
// Scroll to the desired cell (0.0 == topleft alignment)
gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
TRUE, 0.0f, 0.0f);
TRUE, alignY, alignX);
gtk_tree_path_free(path);
}
void wxListBox::DoSetFirstItem(int n)
{
DoScrollToCell(n, 0, 0);
}
void wxListBox::EnsureVisible(int n)
{
DoScrollToCell(n, 0.5, 0);
}
// ----------------------------------------------------------------------------
// hittest
// ----------------------------------------------------------------------------