libyui  3.4.2
YSingleChildContainerWidget.cc
1 /*
2  Copyright (C) 2000-2012 Novell, Inc
3  This library is free software; you can redistribute it and/or modify
4  it under the terms of the GNU Lesser General Public License as
5  published by the Free Software Foundation; either version 2.1 of the
6  License, or (at your option) version 3.0 of the License. This library
7  is distributed in the hope that it will be useful, but WITHOUT ANY
8  WARRANTY; without even the implied warranty of MERCHANTABILITY or
9  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
10  License for more details. You should have received a copy of the GNU
11  Lesser General Public License along with this library; if not, write
12  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
13  Floor, Boston, MA 02110-1301 USA
14 */
15 
16 
17 /*-/
18 
19  File: YSingleChildContainerWidget.cc
20 
21  Author: Stefan Hundhammer <sh@suse.de>
22 
23 /-*/
24 
25 
26 #include "YSingleChildContainerWidget.h"
27 
28 
30  : YWidget( parent )
31 {
33 }
34 
35 
37 {
38  // NOP
39 }
40 
41 
43 {
44  if ( hasChildren() )
45  return firstChild()->preferredWidth();
46  else
47  return 0;
48 }
49 
50 
52 {
53  if ( hasChildren() )
54  return firstChild()->preferredHeight();
55  else
56  return 0;
57 }
58 
59 
60 void YSingleChildContainerWidget::setSize( int width, int height )
61 {
62  if ( hasChildren() )
63  firstChild()->setSize( width , height );
64 }
65 
66 
67 bool
69 {
70  if ( hasChildren() )
71  return firstChild()->stretchable( dim );
72  else
73  return YWidget::stretchable( dim );
74 }
virtual ~YSingleChildContainerWidget()
Destructor.
YSingleChildContainerWidget(YWidget *parent)
Constructor.
YWidget * firstChild() const
Returns the first child or 0 if there is none.
Definition: YWidget.h:199
void setChildrenManager(YWidgetChildrenManager *manager)
Sets a new children manager for this widget.
Definition: YWidget.cc:164
bool hasChildren() const
Returns &#39;true&#39; if this widget has any children.
Definition: YWidget.h:192
virtual bool stretchable(YUIDimension dim) const
This is a boolean value that determines whether the widget is resizable beyond its preferred size in ...
Definition: YWidget.cc:570
virtual bool stretchable(YUIDimension dim) const
Returns &#39;true&#39; if this widget is stretchable in the specified dimension.
virtual int preferredWidth()
Preferred width of the widget.
virtual void setSize(int newWidth, int newHeight)=0
Set the new size of the widget.
virtual int preferredHeight()=0
Preferred height of the widget.
virtual void setSize(int newWidth, int newHeight)
Set the new size of the widget.
virtual int preferredWidth()=0
Preferred width of the widget.
Children manager that can handle one single child (rejecting any more).
Abstract base class of all UI widgets.
Definition: YWidget.h:54
virtual int preferredHeight()
Preferred height of the widget.