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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#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 "QtGui/qlineedit.h"
#include "QtGui/qtextlayout.h"
#include "QtGui/qstyleoption.h"
#include "QtCore/qbasictimer.h"
#include "QtGui/qcompleter.h"
#include "QtCore/qpointer.h"
#include "QtGui/qlineedit.h"
QT_BEGIN_NAMESPACE
class QLineEditPrivate : public QWidgetPrivate
{
Q_DECLARE_PUBLIC(QLineEdit)
public:
QLineEditPrivate()
: cursor(0), preeditCursor(0), cursorTimer(0), frame(1),
cursorVisible(0), hideCursor(false), separator(0), readOnly(0),
dragEnabled(0), contextMenuEnabled(1), echoMode(0), textDirty(0),
selDirty(0), validInput(1), alignment(Qt::AlignLeading | Qt::AlignVCenter), ascent(0),
maxLength(32767), hscroll(0), vscroll(0), lastCursorPos(-1), maskData(0),
modifiedState(0), undoState(0), selstart(0), selend(0), userInput(false),
emitingEditingFinished(false), passwordEchoEditing(false)
#ifndef QT_NO_COMPLETER
, completer(0)
#endif
, leftTextMargin(0), topTextMargin(0), rightTextMargin(0), bottomTextMargin(0)
{
}
~QLineEditPrivate()
{
delete [] maskData;
}
void init(const QString&);
QString text;
int cursor;
int preeditCursor;
int cursorTimer; // -1 for non blinking cursor.
QPoint tripleClick;
QBasicTimer tripleClickTimer;
uint frame : 1;
uint cursorVisible : 1;
uint hideCursor : 1; // used to hide the cursor inside preedit areas
uint separator : 1;
uint readOnly : 1;
uint dragEnabled : 1;
uint contextMenuEnabled : 1;
uint echoMode : 2;
uint textDirty : 1;
uint selDirty : 1;
uint validInput : 1;
uint alignment;
int ascent;
int maxLength;
int hscroll;
int vscroll;
int lastCursorPos;
#ifndef QT_NO_CONTEXTMENU
QPointer<QAction> selectAllAction;
#endif
inline void emitCursorPositionChanged();
bool sendMouseEventToInputContext(QMouseEvent *e);
void finishChange(int validateFromState = -1, bool update = false, bool edited = true);
QPointer<QValidator> validator;
struct MaskInputData {
enum Casemode { NoCaseMode, Upper, Lower };
QChar maskChar; // either the separator char or the inputmask
bool separator;
Casemode caseMode;
};
QString inputMask;
QChar blank;
MaskInputData *maskData;
inline int nextMaskBlank(int pos) {
int c = findInMask(pos, true, false);
separator |= (c != pos);
return (c != -1 ? c : maxLength);
}
inline int prevMaskBlank(int pos) {
int c = findInMask(pos, false, false);
separator |= (c != pos);
return (c != -1 ? c : 0);
}
void setCursorVisible(bool visible);
// undo/redo handling
enum CommandType { Separator, Insert, Remove, Delete, RemoveSelection, DeleteSelection, SetSelection };
struct Command {
inline Command() {}
inline Command(CommandType t, int p, QChar c, int ss, int se) : type(t),uc(c),pos(p),selStart(ss),selEnd(se) {}
uint type : 4;
QChar uc;
int pos, selStart, selEnd;
};
int modifiedState;
int undoState;
QVector<Command> history;
void addCommand(const Command& cmd);
void insert(const QString& s);
void del(bool wasBackspace = false);
void remove(int pos);
inline void separate() { separator = true; }
void undo(int until = -1);
void redo();
inline bool isUndoAvailable() const { return !readOnly && undoState; }
inline bool isRedoAvailable() const { return !readOnly && undoState < (int)history.size(); }
// selection
int selstart, selend;
inline bool allSelected() const { return !text.isEmpty() && selstart == 0 && selend == (int)text.length(); }
inline bool hasSelectedText() const { return !text.isEmpty() && selend > selstart; }
inline void deselect() { selDirty |= (selend > selstart); selstart = selend = 0; }
void removeSelectedText();
#ifndef QT_NO_CLIPBOARD
void copy(bool clipboard = true) const;
#endif
inline bool inSelection(int x) const
{ if (selstart >= selend) return false;
int pos = xToPos(x, QTextLine::CursorOnCharacter); return pos >= selstart && pos < selend; }
// masking
void parseInputMask(const QString &maskFields);
bool isValidInput(QChar key, QChar mask) const;
bool hasAcceptableInput(const QString &text) const;
QString maskString(uint pos, const QString &str, bool clear = false) const;
QString clearString(uint pos, uint len) const;
QString stripString(const QString &str) const;
int findInMask(int pos, bool forward, bool findSeparator, QChar searchChar = QChar()) const;
// input methods
bool composeMode() const { return !textLayout.preeditAreaText().isEmpty(); }
// complex text layout
QTextLayout textLayout;
void updateTextLayout();
void moveCursor(int pos, bool mark = false);
void setText(const QString& txt, int pos = -1, bool edited = true);
int xToPos(int x, QTextLine::CursorPosition = QTextLine::CursorBetweenCharacters) const;
QRect cursorRect() const;
bool fixup();
QRect adjustedContentsRect() const;
#ifndef QT_NO_DRAGANDDROP
// drag and drop
QPoint dndPos;
QBasicTimer dndTimer;
void drag();
#endif
void _q_clipboardChanged();
void _q_handleWindowActivate();
void _q_deleteSelected();
bool userInput;
bool emitingEditingFinished;
#ifdef QT_KEYPAD_NAVIGATION
QBasicTimer deleteAllTimer; // keypad navigation
QString origText;
#endif
bool passwordEchoEditing;
void updatePasswordEchoEditing(bool editing);
#ifndef QT_NO_COMPLETER
QPointer<QCompleter> completer;
void complete(int key = -1);
void _q_completionHighlighted(QString);
bool advanceToEnabledItem(int n);
#endif
int leftTextMargin;
int topTextMargin;
int rightTextMargin;
int bottomTextMargin;
};
#endif // QT_NO_LINEEDIT
QT_END_NAMESPACE
#endif // QLINEEDIT_P_H
|
