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KDevelop Property Editing Library

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pcombobox.cpp
1 /***************************************************************************
2  * Copyright (C) 2002-2004 by Alexander Dymo *
3  * cloudtemple@mskat.net *
4  * *
5  * This program is free software; you can redistribute it and/or modify *
6  * it under the terms of the GNU Library General Public License as *
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10  * This program is distributed in the hope that it will be useful, *
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13  * GNU General Public License for more details. *
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15  * You should have received a copy of the GNU Library General Public *
16  * License along with this program; if not, write to the *
17  * Free Software Foundation, Inc., *
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19  ***************************************************************************/
20 #include "pcombobox.h"
21 
22 #include <tqcombobox.h>
23 #include <tqlayout.h>
24 
25 namespace PropertyLib{
26 
27 PComboBox::PComboBox(MultiProperty *property, const TQMap<TQString, TQVariant> &list, TQWidget *parent, const char *name)
28  :PropertyWidget(property, parent, name), m_valueList(list)
29 {
30  init(false);
31 }
32 
33 PComboBox::PComboBox(MultiProperty *property, const TQMap<TQString, TQVariant> &list, bool rw, TQWidget *parent, const char *name)
34  :PropertyWidget(property, parent, name), m_valueList(list)
35 {
36  init(rw);
37 }
38 
39 void PComboBox::init(bool rw)
40 {
41  TQHBoxLayout *l = new TQHBoxLayout(this, 0, 0);
42  m_edit = new TQComboBox(rw, this);
43  m_edit->setSizePolicy(TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding);
44  l->addWidget(m_edit);
45 
46  fillBox();
47 
48  connect(m_edit, TQT_SIGNAL(activated(int)), this, TQT_SLOT(updateProperty(int)));
49 }
50 
51 void PComboBox::fillBox()
52 {
53  for (TQMap<TQString, TQVariant>::const_iterator it = m_valueList.begin(); it != m_valueList.end(); it++)
54  {
55  m_edit->insertItem(it.key());
56  }
57 }
58 
59 TQVariant PComboBox::value() const
60 {
61  TQMap<TQString, TQVariant>::const_iterator it = m_valueList.find(m_edit->currentText());
62  if (it == m_valueList.end())
63  return TQVariant("");
64  return TQVariant(it.data());
65 }
66 
67 void PComboBox::setValue(const TQVariant &value, bool emitChange)
68 {
69  if (!value.isNull())
70  {
71  disconnect(m_edit, TQT_SIGNAL(activated(int)), this, TQT_SLOT(updateProperty(int)));
72  m_edit->setCurrentText(findDescription(value));
73  connect(m_edit, TQT_SIGNAL(activated(int)), this, TQT_SLOT(updateProperty(int)));
74  if (emitChange)
75  emit propertyChanged(m_property, value);
76  }
77 }
78 
79 void PComboBox::updateProperty(int /*val*/)
80 {
81  emit propertyChanged(m_property, value());
82 }
83 
84 TQString PComboBox::findDescription(const TQVariant &value)
85 {
86  for (TQMap<TQString, TQVariant>::const_iterator it = m_valueList.begin(); it != m_valueList.end(); ++ it)
87  {
88  if (it.data() == value)
89  return it.key();
90  }
91  return "";
92 }
93 
94 void PComboBox::setValueList(const TQMap<TQString, TQVariant> &valueList)
95 {
96  m_valueList = valueList;
97  m_edit->clear();
98  fillBox();
99 }
100 
101 }
102 
103 #ifndef PURE_QT
104 #include "pcombobox.moc"
105 #endif
106 
PropertyLib
Namespace which contain property editing classes.
Definition: childproperty.cpp:29
PropertyLib::PComboBox::value
virtual TQVariant value() const
Definition: pcombobox.cpp:59
PropertyLib::PropertyWidget
An abstract base class of property viewer and editor vidget.
Definition: propertywidget.h:49
PropertyLib::PComboBox::PComboBox
PComboBox(MultiProperty *property, const TQMap< TQString, TQVariant > &list, TQWidget *parent=0, const char *name=0)
This constructor is used for read-only selection combo.
Definition: pcombobox.cpp:27
PropertyLib::PComboBox::setValue
virtual void setValue(const TQVariant &value, bool emitChange=true)
Sets the value shown in the editor widget.
Definition: pcombobox.cpp:67
PropertyLib::PropertyWidget::propertyChanged
void propertyChanged(MultiProperty *property, const TQVariant &value)
Emit this signal when property value is changed.
PropertyLib::MultiProperty
Holds a list of properties with the same name and type.
Definition: multiproperty.h:49
PropertyLib::PComboBox::setValueList
virtual void setValueList(const TQMap< TQString, TQVariant > &valueList)
Sets the list of possible values shown in the editor widget.
Definition: pcombobox.cpp:94

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