1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_SD_SOURCE_UI_INC_TASKPANE_SCROLLPANEL_HXX
#define INCLUDED_SD_SOURCE_UI_INC_TASKPANE_SCROLLPANEL_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 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 OUString& rTitle,
const OString& sHelpId);
/** 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, void *);
DECL_LINK(WindowEventListener, VclSimpleEvent*);
using Window::GetWindow;
};
} } // end of namespace ::sd::toolpanel
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
