summaryrefslogtreecommitdiffstats
path: root/src/gui/widgets/qcombobox.h
blob: 9b19a66f1a545c5d269bfbe4da5a6bb4e0063d70 (plain)
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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QCOMBOBOX_H
#define QCOMBOBOX_H

#include <QtGui/qwidget.h>
#include <QtGui/qabstractitemdelegate.h>
#include <QtCore/qabstractitemmodel.h>
#include <QtCore/qvariant.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)
#ifndef QT_NO_COMBOBOX

class QAbstractItemView;
class QLineEdit;
class QComboBoxPrivate;
class QCompleter;

class Q_GUI_EXPORT QComboBox : public QWidget
{
    Q_OBJECT

    Q_ENUMS(InsertPolicy)
    Q_ENUMS(SizeAdjustPolicy)
    Q_PROPERTY(bool editable READ isEditable WRITE setEditable)
    Q_PROPERTY(int count READ count)
    Q_PROPERTY(QString currentText READ currentText)
    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
    Q_PROPERTY(int maxVisibleItems READ maxVisibleItems WRITE setMaxVisibleItems)
    Q_PROPERTY(int maxCount READ maxCount WRITE setMaxCount)
    Q_PROPERTY(InsertPolicy insertPolicy READ insertPolicy WRITE setInsertPolicy)
    Q_PROPERTY(SizeAdjustPolicy sizeAdjustPolicy READ sizeAdjustPolicy WRITE setSizeAdjustPolicy)
    Q_PROPERTY(int minimumContentsLength READ minimumContentsLength WRITE setMinimumContentsLength)
    Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)

#ifndef QT_NO_COMPLETER
    Q_PROPERTY(bool autoCompletion READ autoCompletion WRITE setAutoCompletion DESIGNABLE false)
    Q_PROPERTY(Qt::CaseSensitivity autoCompletionCaseSensitivity READ autoCompletionCaseSensitivity WRITE setAutoCompletionCaseSensitivity DESIGNABLE false)
#endif // QT_NO_COMPLETER

    Q_PROPERTY(bool duplicatesEnabled READ duplicatesEnabled WRITE setDuplicatesEnabled)
    Q_PROPERTY(bool frame READ hasFrame WRITE setFrame)
    Q_PROPERTY(int modelColumn READ modelColumn WRITE setModelColumn)

public:
    explicit QComboBox(QWidget *parent = 0);
    ~QComboBox();

    int maxVisibleItems() const;
    void setMaxVisibleItems(int maxItems);

    int count() const;
    void setMaxCount(int max);
    int maxCount() const;

#ifndef QT_NO_COMPLETER
    bool autoCompletion() const;
    void setAutoCompletion(bool enable);

    Qt::CaseSensitivity autoCompletionCaseSensitivity() const;
    void setAutoCompletionCaseSensitivity(Qt::CaseSensitivity sensitivity);
#endif

    bool duplicatesEnabled() const;
    void setDuplicatesEnabled(bool enable);

    void setFrame(bool);
    bool hasFrame() const;

    inline int findText(const QString &text,
                        Qt::MatchFlags flags = Qt::MatchExactly|Qt::MatchCaseSensitive) const
        { return findData(text, Qt::DisplayRole, flags); }
    int findData(const QVariant &data, int role = Qt::UserRole,
                 Qt::MatchFlags flags = Qt::MatchExactly|Qt::MatchCaseSensitive) const;

    enum InsertPolicy {
        NoInsert,
        InsertAtTop,
        InsertAtCurrent,
        InsertAtBottom,
        InsertAfterCurrent,
        InsertBeforeCurrent,
        InsertAlphabetically
#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
        ,
        NoInsertion = NoInsert,
        AtTop = InsertAtTop,
        AtCurrent = InsertAtCurrent,
        AtBottom = InsertAtBottom,
        AfterCurrent = InsertAfterCurrent,
        BeforeCurrent = InsertBeforeCurrent
#endif
    };
#ifdef QT3_SUPPORT
    typedef InsertPolicy Policy;
#endif

    InsertPolicy insertPolicy() const;
    void setInsertPolicy(InsertPolicy policy);

    enum SizeAdjustPolicy {
        AdjustToContents,
        AdjustToContentsOnFirstShow,
        AdjustToMinimumContentsLength, // ### Qt 5: remove
        AdjustToMinimumContentsLengthWithIcon
    };

    SizeAdjustPolicy sizeAdjustPolicy() const;
    void setSizeAdjustPolicy(SizeAdjustPolicy policy);
    int minimumContentsLength() const;
    void setMinimumContentsLength(int characters);
    QSize iconSize() const;
    void setIconSize(const QSize &size);

    bool isEditable() const;
    void setEditable(bool editable);
    void setLineEdit(QLineEdit *edit);
    QLineEdit *lineEdit() const;
#ifndef QT_NO_VALIDATOR
    void setValidator(const QValidator *v);
    const QValidator *validator() const;
#endif

#ifndef QT_NO_COMPLETER
    void setCompleter(QCompleter *c);
    QCompleter *completer() const;
#endif

    QAbstractItemDelegate *itemDelegate() const;
    void setItemDelegate(QAbstractItemDelegate *delegate);

    QAbstractItemModel *model() const;
    void setModel(QAbstractItemModel *model);

    QModelIndex rootModelIndex() const;
    void setRootModelIndex(const QModelIndex &index);

    int modelColumn() const;
    void setModelColumn(int visibleColumn);

    int currentIndex() const;

    QString currentText() const;

    QString itemText(int index) const;
    QIcon itemIcon(int index) const;
    QVariant itemData(int index, int role = Qt::UserRole) const;

    inline void addItem(const QString &text, const QVariant &userData = QVariant());
    inline void addItem(const QIcon &icon, const QString &text,
                        const QVariant &userData = QVariant());
    inline void addItems(const QStringList &texts)
        { insertItems(count(), texts); }

    inline void insertItem(int index, const QString &text, const QVariant &userData = QVariant());
    void insertItem(int index, const QIcon &icon, const QString &text,
                    const QVariant &userData = QVariant());
    void insertItems(int index, const QStringList &texts);
    void insertSeparator(int index);

    void removeItem(int index);

    void setItemText(int index, const QString &text);
    void setItemIcon(int index, const QIcon &icon);
    void setItemData(int index, const QVariant &value, int role = Qt::UserRole);

    QAbstractItemView *view() const;
    void setView(QAbstractItemView *itemView);

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    virtual void showPopup();
    virtual void hidePopup();

    bool event(QEvent *event);

public Q_SLOTS:
    void clear();
    void clearEditText();
    void setEditText(const QString &text);
    void setCurrentIndex(int index);

Q_SIGNALS:
    void editTextChanged(const QString &);
    void activated(int index);
    void activated(const QString &);
    void highlighted(int index);
    void highlighted(const QString &);
    void currentIndexChanged(int index);
    void currentIndexChanged(const QString &);

protected:
    void focusInEvent(QFocusEvent *e);
    void focusOutEvent(QFocusEvent *e);
    void changeEvent(QEvent *e);
    void resizeEvent(QResizeEvent *e);
    void paintEvent(QPaintEvent *e);
    void showEvent(QShowEvent *e);
    void hideEvent(QHideEvent *e);
    void mousePressEvent(QMouseEvent *e);
    void mouseReleaseEvent(QMouseEvent *e);
    void keyPressEvent(QKeyEvent *e);
    void keyReleaseEvent(QKeyEvent *e);
#ifndef QT_NO_WHEELEVENT
    void wheelEvent(QWheelEvent *e);
#endif
    void contextMenuEvent(QContextMenuEvent *e);
    void inputMethodEvent(QInputMethodEvent *);
    QVariant inputMethodQuery(Qt::InputMethodQuery) const;
    void initStyleOption(QStyleOptionComboBox *option) const;

#ifdef QT3_SUPPORT
public:
    QT3_SUPPORT_CONSTRUCTOR QComboBox(QWidget *parent, const char *name);
    QT3_SUPPORT_CONSTRUCTOR QComboBox(bool rw, QWidget *parent, const char *name = 0);
    inline QT3_SUPPORT int currentItem() const { return currentIndex(); }
    inline QT3_SUPPORT void setCurrentItem(int index) { setCurrentIndex(index); }
    inline QT3_SUPPORT InsertPolicy insertionPolicy() const { return insertPolicy(); }
    inline QT3_SUPPORT void setInsertionPolicy(InsertPolicy policy) { setInsertPolicy(policy); }
    inline QT3_SUPPORT bool editable() const { return isEditable(); }
    inline QT3_SUPPORT void popup() { showPopup(); }
    inline QT3_SUPPORT void setCurrentText(const QString& text) {
        int i = findText(text);
        if (i != -1)
            setCurrentIndex(i);
        else if (isEditable())
            setEditText(text);
        else
            setItemText(currentIndex(), text);
    }
    inline QT3_SUPPORT QString text(int index) const { return itemText(index); }

    inline QT3_SUPPORT QPixmap pixmap(int index) const
    { return itemIcon(index).pixmap(iconSize(), isEnabled() ? QIcon::Normal : QIcon::Disabled); }
    inline QT3_SUPPORT void insertStringList(const QStringList &list, int index = -1)
        { insertItems((index < 0 ? count() : index), list); }
    inline QT3_SUPPORT void insertItem(const QString &text, int index = -1)
        { insertItem((index < 0 ? count() : index), text); }
    inline QT3_SUPPORT void insertItem(const QPixmap &pix, int index = -1)
        { insertItem((index < 0 ? count() : index), QIcon(pix), QString()); }
    inline QT3_SUPPORT void insertItem(const QPixmap &pix, const QString &text, int index = -1)
        { insertItem((index < 0 ? count() : index), QIcon(pix), text); }
    inline QT3_SUPPORT void changeItem(const QString &text, int index)
        { setItemText(index, text); }
    inline QT3_SUPPORT void changeItem(const QPixmap &pix, int index)
        { setItemIcon(index, QIcon(pix)); }
    inline QT3_SUPPORT void changeItem(const QPixmap &pix, const QString &text, int index)
        { setItemIcon(index, QIcon(pix)); setItemText(index, text); }
    inline QT3_SUPPORT void clearValidator() { setValidator(0); }
    inline QT3_SUPPORT void clearEdit() { clearEditText(); }

Q_SIGNALS:
    QT_MOC_COMPAT void textChanged(const QString &);
#endif

protected:
    QComboBox(QComboBoxPrivate &, QWidget *);

private:
    Q_DECLARE_PRIVATE(QComboBox)
    Q_DISABLE_COPY(QComboBox)
    Q_PRIVATE_SLOT(d_func(), void _q_itemSelected(const QModelIndex &item))
    Q_PRIVATE_SLOT(d_func(), void _q_emitHighlighted(const QModelIndex &))
    Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentIndexChanged(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_editingFinished())
    Q_PRIVATE_SLOT(d_func(), void _q_returnPressed())
    Q_PRIVATE_SLOT(d_func(), void _q_resetButton())
    Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &, const QModelIndex &))
    Q_PRIVATE_SLOT(d_func(), void _q_updateIndexBeforeChange())
    Q_PRIVATE_SLOT(d_func(), void _q_rowsInserted(const QModelIndex & parent, int start, int end))
    Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex & parent, int start, int end))
    Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
    Q_PRIVATE_SLOT(d_func(), void _q_modelReset())
#ifdef QT_KEYPAD_NAVIGATION
    Q_PRIVATE_SLOT(d_func(), void _q_completerActivated())
#endif
};

inline void QComboBox::addItem(const QString &atext, const QVariant &auserData)
{ insertItem(count(), atext, auserData); }
inline void QComboBox::addItem(const QIcon &aicon, const QString &atext,
                               const QVariant &auserData)
{ insertItem(count(), aicon, atext, auserData); }

inline void QComboBox::insertItem(int aindex, const QString &atext,
                                  const QVariant &auserData)
{ insertItem(aindex, QIcon(), atext, auserData); }

#endif // QT_NO_COMBOBOX

QT_END_NAMESPACE

QT_END_HEADER

#endif // QCOMBOBOX_H