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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include "mainwindow.h"
#include "xbelreader.h"
#include "xbelwriter.h"
//! [0]
MainWindow::MainWindow()
{
QStringList labels;
labels << tr("Title") << tr("Location");
treeWidget = new QTreeWidget;
treeWidget->header()->setSectionResizeMode(QHeaderView::Stretch);
treeWidget->setHeaderLabels(labels);
#if !defined(QT_NO_CONTEXTMENU) && !defined(QT_NO_CLIPBOARD)
treeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
connect(treeWidget, &QWidget::customContextMenuRequested,
this, &MainWindow::onCustomContextMenuRequested);
#endif
setCentralWidget(treeWidget);
createMenus();
statusBar()->showMessage(tr("Ready"));
setWindowTitle(tr("QXmlStream Bookmarks"));
const QSize availableSize = screen()->availableGeometry().size();
resize(availableSize.width() / 2, availableSize.height() / 3);
}
//! [0]
#if !defined(QT_NO_CONTEXTMENU) && !defined(QT_NO_CLIPBOARD)
void MainWindow::onCustomContextMenuRequested(const QPoint &pos)
{
const QTreeWidgetItem *item = treeWidget->itemAt(pos);
if (!item)
return;
const QString url = item->text(1);
QMenu contextMenu;
QAction *copyAction = contextMenu.addAction(tr("Copy Link to Clipboard"));
QAction *openAction = contextMenu.addAction(tr("Open"));
QAction *action = contextMenu.exec(treeWidget->viewport()->mapToGlobal(pos));
if (action == copyAction)
QGuiApplication::clipboard()->setText(url);
else if (action == openAction)
QDesktopServices::openUrl(QUrl(url));
}
#endif // !QT_NO_CONTEXTMENU && !QT_NO_CLIPBOARD
//! [1]
void MainWindow::open()
{
QString fileName =
QFileDialog::getOpenFileName(this, tr("Open Bookmark File"),
QDir::currentPath(),
tr("XBEL Files (*.xbel *.xml)"));
if (fileName.isEmpty())
return;
treeWidget->clear();
QFile file(fileName);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, tr("QXmlStream Bookmarks"),
tr("Cannot read file %1:\n%2.")
.arg(QDir::toNativeSeparators(fileName),
file.errorString()));
return;
}
XbelReader reader(treeWidget);
if (!reader.read(&file)) {
QMessageBox::warning(this, tr("QXmlStream Bookmarks"),
tr("Parse error in file %1:\n\n%2")
.arg(QDir::toNativeSeparators(fileName),
reader.errorString()));
} else {
statusBar()->showMessage(tr("File loaded"), 2000);
}
}
//! [1]
//! [2]
void MainWindow::saveAs()
{
QString fileName =
QFileDialog::getSaveFileName(this, tr("Save Bookmark File"),
QDir::currentPath(),
tr("XBEL Files (*.xbel *.xml)"));
if (fileName.isEmpty())
return;
QFile file(fileName);
if (!file.open(QFile::WriteOnly | QFile::Text)) {
QMessageBox::warning(this, tr("QXmlStream Bookmarks"),
tr("Cannot write file %1:\n%2.")
.arg(QDir::toNativeSeparators(fileName),
file.errorString()));
return;
}
XbelWriter writer(treeWidget);
if (writer.writeFile(&file))
statusBar()->showMessage(tr("File saved"), 2000);
}
//! [2]
//! [3]
void MainWindow::about()
{
QMessageBox::about(this, tr("About QXmlStream Bookmarks"),
tr("The <b>QXmlStream Bookmarks</b> example demonstrates how to use Qt's "
"QXmlStream classes to read and write XML documents."));
}
//! [3]
//! [5]
void MainWindow::createMenus()
{
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
QAction *openAct = fileMenu->addAction(tr("&Open..."), this, &MainWindow::open);
openAct->setShortcuts(QKeySequence::Open);
QAction *saveAsAct = fileMenu->addAction(tr("&Save As..."), this, &MainWindow::saveAs);
saveAsAct->setShortcuts(QKeySequence::SaveAs);
QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &QWidget::close);
exitAct->setShortcuts(QKeySequence::Quit);
menuBar()->addSeparator();
QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
helpMenu->addAction(tr("&About"), this, &MainWindow::about);
helpMenu->addAction(tr("About &Qt"), qApp, &QCoreApplication::quit);
}
//! [5]
|
