implement wxListBox::EnsureVisible() in wxGTK; add a test for it to the widgets sample
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51659 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -139,6 +139,7 @@ wxGTK:
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- Return false from wxEventLoop::Dispatch() if gtk_main_quit() was called and
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so the loop should exit (Rodolfo Schulz de Lima).
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- Implement wxListBox::EnsureVisible() (Andreas Kling)
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- Fixed wxCURSOR_HAND to map to GDK_HAND2 and not GDK_HAND1, for consistency
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with other applications.
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@@ -74,6 +74,8 @@ public:
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virtual int GetSelection() const;
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virtual int GetSelections(wxArrayInt& aSelections) const;
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virtual void EnsureVisible(int n);
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static wxVisualAttributes
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GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
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@@ -119,6 +121,9 @@ protected:
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private:
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void Init(); //common construction
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// common part of DoSetFirstItem() and EnsureVisible()
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void DoScrollToCell(int n, float alignY, float alignX);
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DECLARE_DYNAMIC_CLASS(wxListBox)
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};
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@@ -906,7 +906,7 @@ void wxListBox::GtkSetSelection(int n, const bool select, const bool blockEvent)
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m_blockEvent = false;
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}
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void wxListBox::DoSetFirstItem( int n )
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void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
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{
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wxCHECK_RET( m_treeview, wxT("invalid listbox") );
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wxCHECK_RET( IsValid(n), wxT("invalid index"));
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@@ -928,11 +928,21 @@ void wxListBox::DoSetFirstItem( int n )
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// Scroll to the desired cell (0.0 == topleft alignment)
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gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
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TRUE, 0.0f, 0.0f);
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TRUE, alignY, alignX);
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gtk_tree_path_free(path);
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}
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void wxListBox::DoSetFirstItem(int n)
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{
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DoScrollToCell(n, 0, 0);
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}
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void wxListBox::EnsureVisible(int n)
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{
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DoScrollToCell(n, 0.5, 0);
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}
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// ----------------------------------------------------------------------------
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// hittest
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// ----------------------------------------------------------------------------
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