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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "topicchooser.h"
#include <utils/layoutbuilder.h>
#include <utils/fancylineedit.h>
#include <QMap>
#include <QUrl>
#include <QKeyEvent>
#include <QDialogButtonBox>
#include <QListView>
#include <QStandardItemModel>
#include <QSortFilterProxyModel>
TopicChooser::TopicChooser(QWidget *parent, const QString &keyword,
const QMultiMap<QString, QUrl> &links)
: QDialog(parent)
, m_filterModel(new QSortFilterProxyModel(this))
{
resize(400, 220);
setWindowTitle(tr("Choose Topic"));
QStandardItemModel *model = new QStandardItemModel(this);
m_filterModel->setSourceModel(model);
m_filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
QMultiMap<QString, QUrl>::const_iterator it = links.constBegin();
for (; it != links.constEnd(); ++it) {
m_links.append(it.value());
QStandardItem *item = new QStandardItem(it.key());
item->setToolTip(it.value().toString());
model->appendRow(item);
}
m_lineEdit = new Utils::FancyLineEdit;
m_lineEdit->setFiltering(true);
m_lineEdit->installEventFilter(this);
setFocusProxy(m_lineEdit);
m_listWidget = new QListView;
m_listWidget->setModel(m_filterModel);
m_listWidget->setUniformItemSizes(true);
m_listWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
if (m_filterModel->rowCount() != 0)
m_listWidget->setCurrentIndex(m_filterModel->index(0, 0));
auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
using namespace Utils::Layouting;
Column {
tr("Choose a topic for <b>%1</b>:").arg(keyword),
m_lineEdit,
m_listWidget,
buttonBox,
}.attachTo(this);
connect(buttonBox, &QDialogButtonBox::accepted,
this, &TopicChooser::acceptDialog);
connect(buttonBox, &QDialogButtonBox::rejected,
this, &TopicChooser::reject);
connect(m_listWidget, &QListView::activated,
this, &TopicChooser::activated);
connect(m_lineEdit, &Utils::FancyLineEdit::filterChanged,
this, &TopicChooser::setFilter);
}
QUrl TopicChooser::link() const
{
if (m_activedIndex.isValid())
return m_links.at(m_filterModel->mapToSource(m_activedIndex).row());
return QUrl();
}
void TopicChooser::acceptDialog()
{
m_activedIndex = m_listWidget->currentIndex();
accept();
}
void TopicChooser::setFilter(const QString &pattern)
{
m_filterModel->setFilterFixedString(pattern);
if (m_filterModel->rowCount() != 0 && !m_listWidget->currentIndex().isValid())
m_listWidget->setCurrentIndex(m_filterModel->index(0, 0));
}
void TopicChooser::activated(const QModelIndex &index)
{
m_activedIndex = index;
accept();
}
bool TopicChooser::eventFilter(QObject *object, QEvent *event)
{
if (object == m_lineEdit && event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent*>(event);
int dIndex = 0;
switch (ke->key()) {
case Qt::Key_Up:
dIndex = -1;
break;
case Qt::Key_Down:
dIndex = +1;
break;
case Qt::Key_PageUp:
dIndex = -5;
break;
case Qt::Key_PageDown:
dIndex = +5;
break;
default:
break;
}
if (dIndex != 0) {
QModelIndex idx = m_listWidget->currentIndex();
int newIndex = qMin(m_filterModel->rowCount(idx.parent()) - 1,
qMax(0, idx.row() + dIndex));
idx = m_filterModel->index(newIndex, idx.column(), idx.parent());
if (idx.isValid())
m_listWidget->setCurrentIndex(idx);
return true;
}
} else if (m_lineEdit && event->type() == QEvent::FocusIn
&& static_cast<QFocusEvent *>(event)->reason() != Qt::MouseFocusReason) {
m_lineEdit->selectAll();
m_lineEdit->setFocus();
}
return QDialog::eventFilter(object, event);
}
|
