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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QLINEEDIT_P_H
#define QLINEEDIT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "QtCore/qglobal.h"
#ifndef QT_NO_LINEEDIT
#include "private/qwidget_p.h"
#include "QtWidgets/qlineedit.h"
#include "QtWidgets/qtoolbutton.h"
#include "QtGui/qtextlayout.h"
#include "QtGui/qicon.h"
#include "QtWidgets/qstyleoption.h"
#include "QtCore/qbasictimer.h"
#include "QtWidgets/qcompleter.h"
#include "QtCore/qpointer.h"
#include "QtCore/qmimedata.h"
#include "private/qwidgetlinecontrol_p.h"
QT_BEGIN_NAMESPACE
// QLineEditIconButton: This is a simple helper class that represents clickable icons that fade in with text
class QLineEditIconButton : public QToolButton
{
Q_OBJECT
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
public:
enum { IconMargin = 4, IconButtonSize = 16 };
explicit QLineEditIconButton(QWidget *parent = 0);
qreal opacity() const { return m_opacity; }
void setOpacity(qreal value);
#ifndef QT_NO_ANIMATION
void animateShow(bool visible) { startOpacityAnimation(visible ? 1.0 : 0.0); }
#endif
protected:
void paintEvent(QPaintEvent *event);
private slots:
void updateCursor();
private:
#ifndef QT_NO_ANIMATION
void startOpacityAnimation(qreal endValue);
#endif
qreal m_opacity;
};
class Q_AUTOTEST_EXPORT QLineEditPrivate : public QWidgetPrivate
{
Q_DECLARE_PUBLIC(QLineEdit)
public:
enum SideWidgetFlag {
SideWidgetFadeInWithText = 0x1,
SideWidgetCreatedByWidgetAction = 0x2,
SideWidgetClearButton = 0x4
};
struct SideWidgetEntry {
SideWidgetEntry(QWidget *w = 0, QAction *a = 0, int _flags = 0) : widget(w), action(a), flags(_flags) {}
QWidget *widget;
QAction *action;
int flags;
};
typedef QList<SideWidgetEntry> SideWidgetEntryList;
QLineEditPrivate()
: control(0), frame(1), contextMenuEnabled(1), cursorVisible(0),
dragEnabled(0), clickCausedFocus(0), hscroll(0), vscroll(0),
alignment(Qt::AlignLeading | Qt::AlignVCenter),
leftTextMargin(0), topTextMargin(0), rightTextMargin(0), bottomTextMargin(0),
lastTextSize(0)
{
}
~QLineEditPrivate()
{
}
QWidgetLineControl *control;
#ifndef QT_NO_CONTEXTMENU
QPointer<QAction> selectAllAction;
#endif
void init(const QString&);
QRect adjustedControlRect(const QRect &) const;
int xToPos(int x, QTextLine::CursorPosition = QTextLine::CursorBetweenCharacters) const;
QRect cursorRect() const;
void setCursorVisible(bool visible);
void updatePasswordEchoEditing(bool);
void resetInputMethod();
inline bool shouldEnableInputMethod() const
{
return !control->isReadOnly();
}
inline bool shouldShowPlaceholderText() const
{
return control->text().isEmpty() && control->preeditAreaText().isEmpty()
&& !((alignment & Qt::AlignHCenter) && q_func()->hasFocus());
}
static inline QLineEditPrivate *get(QLineEdit *lineEdit) {
return lineEdit->d_func();
}
QPoint tripleClick;
QBasicTimer tripleClickTimer;
uint frame : 1;
uint contextMenuEnabled : 1;
uint cursorVisible : 1;
uint dragEnabled : 1;
uint clickCausedFocus : 1;
int hscroll;
int vscroll;
uint alignment;
static const int verticalMargin;
static const int horizontalMargin;
bool sendMouseEventToInputContext(QMouseEvent *e);
QRect adjustedContentsRect() const;
void _q_handleWindowActivate();
void _q_textEdited(const QString &);
void _q_cursorPositionChanged(int, int);
#ifdef QT_KEYPAD_NAVIGATION
void _q_editFocusChange(bool);
#endif
void _q_selectionChanged();
void _q_updateNeeded(const QRect &);
#ifndef QT_NO_COMPLETER
void _q_completionHighlighted(QString);
#endif
QPoint mousePressPos;
#ifndef QT_NO_DRAGANDDROP
QBasicTimer dndTimer;
void drag();
#endif
void _q_textChanged(const QString &);
void _q_clearButtonClicked();
int leftTextMargin; // use effectiveLeftTextMargin() in case of icon.
int topTextMargin;
int rightTextMargin; // use effectiveRightTextMargin() in case of icon.
int bottomTextMargin;
QString placeholderText;
QWidget *addAction(QAction *newAction, QAction *before, QLineEdit::ActionPosition, int flags = 0);
void removeAction(QAction *action);
QSize iconSize() const;
QIcon clearButtonIcon() const;
void setClearButtonEnabled(bool enabled);
void positionSideWidgets();
inline bool hasSideWidgets() const { return !leadingSideWidgets.isEmpty() || !trailingSideWidgets.isEmpty(); }
inline const SideWidgetEntryList &leftSideWidgetList() const
{ return q_func()->layoutDirection() == Qt::LeftToRight ? leadingSideWidgets : trailingSideWidgets; }
inline const SideWidgetEntryList &rightSideWidgetList() const
{ return q_func()->layoutDirection() == Qt::LeftToRight ? trailingSideWidgets : leadingSideWidgets; }
int effectiveLeftTextMargin() const;
int effectiveRightTextMargin() const;
private:
typedef QPair<QLineEdit::ActionPosition, int> PositionIndexPair;
PositionIndexPair findSideWidget(const QAction *a) const;
SideWidgetEntryList leadingSideWidgets;
SideWidgetEntryList trailingSideWidgets;
int lastTextSize;
mutable QSize m_iconSize;
};
inline int QLineEditPrivate::effectiveLeftTextMargin() const
{
return leftTextMargin + leftSideWidgetList().size() * (QLineEditIconButton::IconMargin + iconSize().width());
}
inline int QLineEditPrivate::effectiveRightTextMargin() const
{
return rightTextMargin + rightSideWidgetList().size() * (QLineEditIconButton::IconMargin + iconSize().width());
}
#endif // QT_NO_LINEEDIT
QT_END_NAMESPACE
#endif // QLINEEDIT_P_H
|
