Blame view

LiveChat/FeiTalk/common/borderlayout.h 3 KB
9f17d59e   陈明泉   no message
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
  /****************************************************************************
  **
  ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
  ** Contact: http://www.qt-project.org/legal
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
  **     of its contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef BORDERLAYOUT_H
  #define BORDERLAYOUT_H
  
  #include <QLayout>
  #include <QRect>
  #include <QWidgetItem>
  
  class BorderLayout : public QLayout
  {
  public:
      enum Position { West, North, South, East, Center };
  
      BorderLayout(QWidget *parent, int margin = 0, int spacing = -1);
      BorderLayout(int spacing = -1);
      ~BorderLayout();
  
      void addItem(QLayoutItem *item);
      void addWidget(QWidget *widget, Position position);
      Qt::Orientations expandingDirections() const;
      bool hasHeightForWidth() const;
      int count() const;
      QLayoutItem *itemAt(int index) const;
      QSize minimumSize() const;
      void setGeometry(const QRect &rect);
      QSize sizeHint() const;
      QLayoutItem *takeAt(int index);
  
      void add(QLayoutItem *item, Position position);
  
  private:
      struct ItemWrapper
      {
  	ItemWrapper(QLayoutItem *i, Position p) {
  	    item = i;
  	    position = p;
  	}
  
  	QLayoutItem *item;
  	Position position;
      };
  
      enum SizeType { MinimumSize, SizeHint };
      QSize calculateSize(SizeType sizeType) const;
  
      QList<ItemWrapper *> list;
  };
  
  #endif