source: trunk/src/gui/widgets/qcombobox.h@ 50

Last change on this file since 50 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 12.7 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QCOMBOBOX_H
43#define QCOMBOBOX_H
44
45#include <QtGui/qwidget.h>
46#include <QtGui/qabstractitemdelegate.h>
47#include <QtCore/qabstractitemmodel.h>
48#include <QtCore/qvariant.h>
49
50QT_BEGIN_HEADER
51
52QT_BEGIN_NAMESPACE
53
54QT_MODULE(Gui)
55
56#ifndef QT_NO_COMBOBOX
57
58class QAbstractItemView;
59class QLineEdit;
60class QComboBoxPrivate;
61class QCompleter;
62
63class Q_GUI_EXPORT QComboBox : public QWidget
64{
65 Q_OBJECT
66
67 Q_ENUMS(InsertPolicy)
68 Q_ENUMS(SizeAdjustPolicy)
69 Q_PROPERTY(bool editable READ isEditable WRITE setEditable)
70 Q_PROPERTY(int count READ count)
71 Q_PROPERTY(QString currentText READ currentText)
72 Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
73 Q_PROPERTY(int maxVisibleItems READ maxVisibleItems WRITE setMaxVisibleItems)
74 Q_PROPERTY(int maxCount READ maxCount WRITE setMaxCount)
75 Q_PROPERTY(InsertPolicy insertPolicy READ insertPolicy WRITE setInsertPolicy)
76 Q_PROPERTY(SizeAdjustPolicy sizeAdjustPolicy READ sizeAdjustPolicy WRITE setSizeAdjustPolicy)
77 Q_PROPERTY(int minimumContentsLength READ minimumContentsLength WRITE setMinimumContentsLength)
78 Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
79
80#ifndef QT_NO_COMPLETER
81 Q_PROPERTY(bool autoCompletion READ autoCompletion WRITE setAutoCompletion DESIGNABLE false)
82 Q_PROPERTY(Qt::CaseSensitivity autoCompletionCaseSensitivity READ autoCompletionCaseSensitivity WRITE setAutoCompletionCaseSensitivity DESIGNABLE false)
83#endif // QT_NO_COMPLETER
84
85 Q_PROPERTY(bool duplicatesEnabled READ duplicatesEnabled WRITE setDuplicatesEnabled)
86 Q_PROPERTY(bool frame READ hasFrame WRITE setFrame)
87 Q_PROPERTY(int modelColumn READ modelColumn WRITE setModelColumn)
88
89public:
90 explicit QComboBox(QWidget *parent = 0);
91 ~QComboBox();
92
93 int maxVisibleItems() const;
94 void setMaxVisibleItems(int maxItems);
95
96 int count() const;
97 void setMaxCount(int max);
98 int maxCount() const;
99
100#ifndef QT_NO_COMPLETER
101 bool autoCompletion() const;
102 void setAutoCompletion(bool enable);
103
104 Qt::CaseSensitivity autoCompletionCaseSensitivity() const;
105 void setAutoCompletionCaseSensitivity(Qt::CaseSensitivity sensitivity);
106#endif
107
108 bool duplicatesEnabled() const;
109 void setDuplicatesEnabled(bool enable);
110
111 void setFrame(bool);
112 bool hasFrame() const;
113
114 inline int findText(const QString &text,
115 Qt::MatchFlags flags = Qt::MatchExactly|Qt::MatchCaseSensitive) const
116 { return findData(text, Qt::DisplayRole, flags); }
117 int findData(const QVariant &data, int role = Qt::UserRole,
118 Qt::MatchFlags flags = Qt::MatchExactly|Qt::MatchCaseSensitive) const;
119
120 enum InsertPolicy {
121 NoInsert,
122 InsertAtTop,
123 InsertAtCurrent,
124 InsertAtBottom,
125 InsertAfterCurrent,
126 InsertBeforeCurrent,
127 InsertAlphabetically
128#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
129 ,
130 NoInsertion = NoInsert,
131 AtTop = InsertAtTop,
132 AtCurrent = InsertAtCurrent,
133 AtBottom = InsertAtBottom,
134 AfterCurrent = InsertAfterCurrent,
135 BeforeCurrent = InsertBeforeCurrent
136#endif
137 };
138#ifdef QT3_SUPPORT
139 typedef InsertPolicy Policy;
140#endif
141
142 InsertPolicy insertPolicy() const;
143 void setInsertPolicy(InsertPolicy policy);
144
145 enum SizeAdjustPolicy {
146 AdjustToContents,
147 AdjustToContentsOnFirstShow,
148 AdjustToMinimumContentsLength, // ### Qt 5: remove
149 AdjustToMinimumContentsLengthWithIcon
150 };
151
152 SizeAdjustPolicy sizeAdjustPolicy() const;
153 void setSizeAdjustPolicy(SizeAdjustPolicy policy);
154 int minimumContentsLength() const;
155 void setMinimumContentsLength(int characters);
156 QSize iconSize() const;
157 void setIconSize(const QSize &size);
158
159 bool isEditable() const;
160 void setEditable(bool editable);
161 void setLineEdit(QLineEdit *edit);
162 QLineEdit *lineEdit() const;
163#ifndef QT_NO_VALIDATOR
164 void setValidator(const QValidator *v);
165 const QValidator *validator() const;
166#endif
167
168#ifndef QT_NO_COMPLETER
169 void setCompleter(QCompleter *c);
170 QCompleter *completer() const;
171#endif
172
173 QAbstractItemDelegate *itemDelegate() const;
174 void setItemDelegate(QAbstractItemDelegate *delegate);
175
176 QAbstractItemModel *model() const;
177 void setModel(QAbstractItemModel *model);
178
179 QModelIndex rootModelIndex() const;
180 void setRootModelIndex(const QModelIndex &index);
181
182 int modelColumn() const;
183 void setModelColumn(int visibleColumn);
184
185 int currentIndex() const;
186
187 QString currentText() const;
188
189 QString itemText(int index) const;
190 QIcon itemIcon(int index) const;
191 QVariant itemData(int index, int role = Qt::UserRole) const;
192
193 inline void addItem(const QString &text, const QVariant &userData = QVariant());
194 inline void addItem(const QIcon &icon, const QString &text,
195 const QVariant &userData = QVariant());
196 inline void addItems(const QStringList &texts)
197 { insertItems(count(), texts); }
198
199 inline void insertItem(int index, const QString &text, const QVariant &userData = QVariant());
200 void insertItem(int index, const QIcon &icon, const QString &text,
201 const QVariant &userData = QVariant());
202 void insertItems(int index, const QStringList &texts);
203 void insertSeparator(int index);
204
205 void removeItem(int index);
206
207 void setItemText(int index, const QString &text);
208 void setItemIcon(int index, const QIcon &icon);
209 void setItemData(int index, const QVariant &value, int role = Qt::UserRole);
210
211 QAbstractItemView *view() const;
212 void setView(QAbstractItemView *itemView);
213
214 QSize sizeHint() const;
215 QSize minimumSizeHint() const;
216
217 virtual void showPopup();
218 virtual void hidePopup();
219
220 bool event(QEvent *event);
221
222public Q_SLOTS:
223 void clear();
224 void clearEditText();
225 void setEditText(const QString &text);
226 void setCurrentIndex(int index);
227
228Q_SIGNALS:
229 void editTextChanged(const QString &);
230 void activated(int index);
231 void activated(const QString &);
232 void highlighted(int index);
233 void highlighted(const QString &);
234 void currentIndexChanged(int index);
235 void currentIndexChanged(const QString &);
236
237protected:
238 void focusInEvent(QFocusEvent *e);
239 void focusOutEvent(QFocusEvent *e);
240 void changeEvent(QEvent *e);
241 void resizeEvent(QResizeEvent *e);
242 void paintEvent(QPaintEvent *e);
243 void showEvent(QShowEvent *e);
244 void hideEvent(QHideEvent *e);
245 void mousePressEvent(QMouseEvent *e);
246 void mouseReleaseEvent(QMouseEvent *e);
247 void keyPressEvent(QKeyEvent *e);
248 void keyReleaseEvent(QKeyEvent *e);
249 void wheelEvent(QWheelEvent *e);
250 void contextMenuEvent(QContextMenuEvent *e);
251 void inputMethodEvent(QInputMethodEvent *);
252 QVariant inputMethodQuery(Qt::InputMethodQuery) const;
253 void initStyleOption(QStyleOptionComboBox *option) const;
254
255#ifdef QT3_SUPPORT
256public:
257 QT3_SUPPORT_CONSTRUCTOR QComboBox(QWidget *parent, const char *name);
258 QT3_SUPPORT_CONSTRUCTOR QComboBox(bool rw, QWidget *parent, const char *name = 0);
259 inline QT3_SUPPORT int currentItem() const { return currentIndex(); }
260 inline QT3_SUPPORT void setCurrentItem(int index) { setCurrentIndex(index); }
261 inline QT3_SUPPORT InsertPolicy insertionPolicy() const { return insertPolicy(); }
262 inline QT3_SUPPORT void setInsertionPolicy(InsertPolicy policy) { setInsertPolicy(policy); }
263 inline QT3_SUPPORT bool editable() const { return isEditable(); }
264 inline QT3_SUPPORT void popup() { showPopup(); }
265 inline QT3_SUPPORT void setCurrentText(const QString& text) {
266 int i = findText(text);
267 if (i != -1)
268 setCurrentIndex(i);
269 else if (isEditable())
270 setEditText(text);
271 else
272 setItemText(currentIndex(), text);
273 }
274 inline QT3_SUPPORT QString text(int index) const { return itemText(index); }
275
276 inline QT3_SUPPORT QPixmap pixmap(int index) const
277 { return itemIcon(index).pixmap(iconSize(), isEnabled() ? QIcon::Normal : QIcon::Disabled); }
278 inline QT3_SUPPORT void insertStringList(const QStringList &list, int index = -1)
279 { insertItems((index < 0 ? count() : index), list); }
280 inline QT3_SUPPORT void insertItem(const QString &text, int index = -1)
281 { insertItem((index < 0 ? count() : index), text); }
282 inline QT3_SUPPORT void insertItem(const QPixmap &pix, int index = -1)
283 { insertItem((index < 0 ? count() : index), QIcon(pix), QString()); }
284 inline QT3_SUPPORT void insertItem(const QPixmap &pix, const QString &text, int index = -1)
285 { insertItem((index < 0 ? count() : index), QIcon(pix), text); }
286 inline QT3_SUPPORT void changeItem(const QString &text, int index)
287 { setItemText(index, text); }
288 inline QT3_SUPPORT void changeItem(const QPixmap &pix, int index)
289 { setItemIcon(index, QIcon(pix)); }
290 inline QT3_SUPPORT void changeItem(const QPixmap &pix, const QString &text, int index)
291 { setItemIcon(index, QIcon(pix)); setItemText(index, text); }
292 inline QT3_SUPPORT void clearValidator() { setValidator(0); }
293 inline QT3_SUPPORT void clearEdit() { clearEditText(); }
294
295Q_SIGNALS:
296 QT_MOC_COMPAT void textChanged(const QString &);
297#endif
298
299protected:
300 QComboBox(QComboBoxPrivate &, QWidget *);
301
302private:
303 Q_DECLARE_PRIVATE(QComboBox)
304 Q_DISABLE_COPY(QComboBox)
305 Q_PRIVATE_SLOT(d_func(), void _q_itemSelected(const QModelIndex &item))
306 Q_PRIVATE_SLOT(d_func(), void _q_emitHighlighted(const QModelIndex &))
307 Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentIndexChanged(const QModelIndex &index))
308 Q_PRIVATE_SLOT(d_func(), void _q_returnPressed())
309 Q_PRIVATE_SLOT(d_func(), void _q_resetButton())
310 Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &, const QModelIndex &))
311 Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeInserted(const QModelIndex & parent, int start, int end))
312 Q_PRIVATE_SLOT(d_func(), void _q_rowsInserted(const QModelIndex & parent, int start, int end))
313 Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeRemoved(const QModelIndex & parent, int start, int end))
314 Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex & parent, int start, int end))
315 Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
316 Q_PRIVATE_SLOT(d_func(), void _q_modelReset())
317#ifdef QT_KEYPAD_NAVIGATION
318 Q_PRIVATE_SLOT(d_func(), void _q_completerActivated())
319#endif
320};
321
322inline void QComboBox::addItem(const QString &atext, const QVariant &auserData)
323{ insertItem(count(), atext, auserData); }
324inline void QComboBox::addItem(const QIcon &aicon, const QString &atext,
325 const QVariant &auserData)
326{ insertItem(count(), aicon, atext, auserData); }
327
328inline void QComboBox::insertItem(int aindex, const QString &atext,
329 const QVariant &auserData)
330{ insertItem(aindex, QIcon(), atext, auserData); }
331
332#endif // QT_NO_COMBOBOX
333
334QT_END_NAMESPACE
335
336QT_END_HEADER
337
338#endif // QCOMBOBOX_H
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