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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef SD_TASKPANE_SUB_TOOL_PANEL_HXX
#define SD_TASKPANE_SUB_TOOL_PANEL_HXX
#include "taskpane/TaskPaneTreeNode.hxx"
#include <vcl/ctrl.hxx>
#include <vcl/scrbar.hxx>
#include <memory>
#include <vector>
class Window;
namespace sd { namespace toolpanel {
/** The sub tool panel is in function similar to the tool panel. It
differes in two points. First, it is a control that can be used
as element in a tool panel and thus is actually a nested tool
panel.
<p>Secondly, it formats its elements differently. The actual controls
are placed one below the other with a title bar above each control.
Clicking on the title bar expands or collapses the control. When there
is not enough space then scroll bars are shown.</p>
<p>To avoid flickering when painting the sub tool panel the background
is made transparent and painting it is done by this class. While
layouting its children it remembers the gaps between children and stores
them in maStripeList. In Paint() those gaps as well as the border
around all children are painted in the background color.</p>
*/
class SubToolPanel
: 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.
*/
SubToolPanel (Window& i_rParentWindow);
virtual ~SubToolPanel (void);
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);
virtual ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible> CreateAccessibleObject (
const ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible>& rxParent);
using Window::GetWindow;
private:
::Window maWindowFiller;
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 around 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);
DECL_LINK(WindowEventListener, VclSimpleEvent*);
};
} } // end of namespace ::sd::toolpanel
#endif
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