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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SD_TOOLPANEL_SCROLL_PANEL_HXX
#define SD_TOOLPANEL_SCROLL_PANEL_HXX
#include "taskpane/TaskPaneTreeNode.hxx"
#include <vcl/ctrl.hxx>
#include <vcl/scrbar.hxx>
#include <memory>
#include <vector>
namespace sd { namespace toolpanel {
class TitledControl;
/** The scroll panel shows its controls one above the other. When their
total height is larger than the height of the scroll area then only a
part of the controls is visible. Scroll bars control which part that
is.
The scroll panel registers itself as window event listener at the
controls and their title bars (conceptually; it really is the
TitledControl) to track changes of the selection and focus rectangles.
On such a change it tries to move the selected or focused part into the
visible area. At the moment this moving into view only works with
valuesets and TitleBars.
*/
class ScrollPanel
: public ::Control,
public TreeNode
{
public:
/** Create a new sub tool panel with the given window as its
parent. This will usually be a child window.
*/
ScrollPanel (TreeNode* pParent);
/** Create a new scroll panel which itself is the root of a TreeNode hierarchy
parent. This will usually be a child window.
*/
ScrollPanel (::Window& i_rParentWindow);
virtual ~ScrollPanel (void);
/** Add a control to the sub panel. An title bar is added above the
control.
@param rTitle
The title that will be shown in the two title bars that
belong to the control.
@param nHelpId
The help id is set at the title bar not the actual control.
@return
The new titled control that contains the given control and a new
title bar as children is returned.
*/
TitledControl* AddControl (
::std::auto_ptr<TreeNode> pControl,
const String& rTitle,
ULONG nHelpId);
/** Add a control to the sub panel without a title bar.
*/
void AddControl (::std::auto_ptr<TreeNode> pControl);
virtual void Paint (const Rectangle& rRect);
/** Initiate a rearrangement of the controls and title bars.
*/
virtual void Resize (void);
virtual void RequestResize (void);
virtual Size GetPreferredSize (void);
virtual sal_Int32 GetPreferredWidth (sal_Int32 nHeight);
virtual sal_Int32 GetPreferredHeight (sal_Int32 nWidth);
virtual bool IsResizable (void);
virtual ::Window* GetWindow (void);
virtual sal_Int32 GetMinimumWidth (void);
virtual void ExpandControl (
TreeNode* pControl,
bool bExpansionState);
bool IsVerticalScrollBarVisible (void) const;
bool IsHorizontalScrollBarVisible (void) const;
ScrollBar& GetVerticalScrollBar (void);
ScrollBar& GetHorizontalScrollBar (void);
// ::Window
virtual long Notify( NotifyEvent& rNEvt );
virtual ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible> CreateAccessibleObject (
const ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible>& rxParent);
/** Scroll the given rectangle into the visible area.
@param aRectangle
The box to move into the visible area in pixel coordinates
relative to the given window.
@param pWindow
This window is used to translate the given coordinates into ones
that are relative to the scroll panel.
*/
void MakeRectangleVisible (
Rectangle& aRectangle,
::Window* pWindow);
private:
::Control maScrollWindow;
ScrollBar maVerticalScrollBar;
ScrollBar maHorizontalScrollBar;
::Window maScrollBarFiller;
::Window maScrollWindowFiller;
Point maScrollOffset;
bool mbIsRearrangePending;
bool mbIsLayoutPending;
sal_uInt32 mnChildrenWidth;
/// Border above top-most and below bottom-most control.
const int mnVerticalBorder;
/// Gap between two controls.
const int mnVerticalGap;
/// Border at the left and right of the controls.
const int mnHorizontalBorder;
/** List of horizontal stripes that is created from the gaps between
children when they are layouted. The stripes are painted in Paint()
to fill the space arround the children.
*/
typedef ::std::vector< ::std::pair<int,int> > StripeList;
StripeList maStripeList;
/** Calculate position, size, and visibility of the controls.
Call this method after the list of controls, their expansion
state, or the size of the sub panel has changed.
*/
void Rearrange (void);
/** Determine the minimal size that is necessary to show the controls
one over the other. It may be smaller than the available area.
*/
Size GetRequiredSize (void);
/** Place the child windows one above the other and return the size of
the bounding box.
*/
sal_Int32 LayoutChildren (void);
/** ctor-impl
*/
void Construct();
Size SetupScrollBars (const Size& rRequiresSize);
sal_Int32 SetupVerticalScrollBar (bool bShow, sal_Int32 nRange);
sal_Int32 SetupHorizontalScrollBar (bool bShow, sal_Int32 nRange);
DECL_LINK(ScrollBarHandler, ScrollBar*);
DECL_LINK(WindowEventListener, VclSimpleEvent*);
using Window::GetWindow;
};
} } // end of namespace ::sd::toolpanel
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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