blob: aa4b055414da453d6686b7f1ae58f748ee8eba32 (
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
|
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/editableaxislabel_p.h>
#include <QtGui/qtextcursor.h>
#include <QtGui/qtextdocument.h>
QT_CHARTS_BEGIN_NAMESPACE
EditableAxisLabel::EditableAxisLabel(QGraphicsItem *parent) :
QGraphicsTextItem(parent)
{
}
void EditableAxisLabel::focusInEvent(QFocusEvent *event)
{
m_htmlBeforeEdit = toHtml();
setTextWidth(-1);
setInitialEditValue();
m_editing = true;
QGraphicsTextItem::focusInEvent(event);
}
void EditableAxisLabel::focusOutEvent(QFocusEvent *event)
{
// perform the modifications before calling finishEditing
// because finishEditing emits signals that can trigger
// range change which might invalidate the current label
QGraphicsTextItem::focusOutEvent(event);
setTextInteractionFlags(Qt::NoTextInteraction);
m_editing = false;
finishEditing();
}
bool EditableAxisLabel::sceneEvent(QEvent *event)
{
if (m_editable && event->type() == QEvent::GraphicsSceneMouseDoubleClick) {
setTextInteractionFlags(Qt::TextEditorInteraction);
bool ret = QGraphicsTextItem::sceneEvent(event);
// QGraphicsTextItem::sceneevent needs to be processed before
// the focus and text selection
setFocus(Qt::MouseFocusReason);
QTextCursor cursor = textCursor();
cursor.select(QTextCursor::Document);
setTextCursor(cursor);
return ret;
}
return QGraphicsTextItem::sceneEvent(event);
}
void EditableAxisLabel::setEditable(bool editable)
{
m_editable = editable;
}
void EditableAxisLabel::reloadBeforeEditContent()
{
resetBeforeEditValue();
setHtml(m_htmlBeforeEdit);
}
QRectF EditableAxisLabel::boundingRect() const
{
QRectF ret = QGraphicsTextItem::boundingRect();
// add 2px margin to allow the cursor to
// show up properly when editing
if (m_editing)
ret.setWidth(ret.width() + 2);
return ret;
}
bool EditableAxisLabel::isEditEndingKeyPress(QKeyEvent *event)
{
if (event->text().length() >= 1) {
// finish editing with enter or ESC
if (event->key() == Qt::Key_Enter ||
event->key() == Qt::Key_Return) {
clearFocus();
return true;
} else if (event->key() == Qt::Key_Escape) {
document()->setHtml(m_htmlBeforeEdit);
clearFocus();
return true;
}
}
return false;
}
QT_CHARTS_END_NAMESPACE
#include "moc_editableaxislabel_p.cpp"
|
