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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/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.
**
****************************************************************************/
#include "zoomaction.h"
#include <QComboBox>
namespace QmlDesigner {
ZoomAction::ZoomAction(QObject *parent)
: QWidgetAction(parent),
m_zoomLevel(1.0),
m_currentComboBoxIndex(3)
{
}
double ZoomAction::zoomLevel() const
{
return m_zoomLevel;
}
void ZoomAction::zoomIn()
{
if (m_currentComboBoxIndex > 0)
emit indexChanged(m_currentComboBoxIndex - 1);
}
void ZoomAction::zoomOut()
{
if (m_currentComboBoxIndex < (m_comboBoxModel->rowCount() - 1))
emit indexChanged(m_currentComboBoxIndex + 1);
}
void ZoomAction::setZoomLevel(double zoomLevel)
{
if (zoomLevel < .1)
m_zoomLevel = 0.1;
else if (zoomLevel > 16.0)
m_zoomLevel = 16.0;
else
m_zoomLevel = zoomLevel;
emit zoomLevelChanged(m_zoomLevel);
}
QWidget *ZoomAction::createWidget(QWidget *parent)
{
QComboBox *comboBox = new QComboBox(parent);
if (m_comboBoxModel.isNull()) {
m_comboBoxModel = comboBox->model();
comboBox->addItem("10 %", 0.1);
comboBox->addItem("25 %", 0.25);
comboBox->addItem("50 %", 0.5);
comboBox->addItem("100 %", 1.0);
comboBox->addItem("200 %", 2.0);
comboBox->addItem("400 %", 4.0);
comboBox->addItem("800 %", 8.0);
comboBox->addItem("1600 %", 16.0);
} else {
comboBox->setModel(m_comboBoxModel.data());
}
comboBox->setCurrentIndex(3);
connect(comboBox, SIGNAL(currentIndexChanged(int)), SLOT(emitZoomLevelChanged(int)));
connect(this, SIGNAL(indexChanged(int)), comboBox, SLOT(setCurrentIndex(int)));
comboBox->setProperty("hideborder", true);
return comboBox;
}
void ZoomAction::emitZoomLevelChanged(int index)
{
m_currentComboBoxIndex = index;
if (index == -1)
return;
QModelIndex modelIndex(m_comboBoxModel.data()->index(index, 0));
setZoomLevel(m_comboBoxModel.data()->data(modelIndex, Qt::UserRole).toDouble());
}
} // namespace QmlDesigner
|
