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50
51#include <QtWidgets>
52
53#include "droparea.h"
54#include "dropsitewindow.h"
55
56//! [constructor part1]
57DropSiteWindow::DropSiteWindow()
58{
59 abstractLabel = new QLabel(tr("This example accepts drags from other "
60 "applications and displays the MIME types "
61 "provided by the drag object."));
62 abstractLabel->setWordWrap(true);
63 abstractLabel->adjustSize();
64//! [constructor part1]
65
66//! [constructor part2]
67 dropArea = new DropArea;
68 connect(dropArea, &DropArea::changed,
69 this, &DropSiteWindow::updateFormatsTable);
70//! [constructor part2]
71
72//! [constructor part3]
73 QStringList labels;
74 labels << tr("Format") << tr("Content");
75
76 formatsTable = new QTableWidget;
77 formatsTable->setColumnCount(2);
78 formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
79 formatsTable->setHorizontalHeaderLabels(labels);
80 formatsTable->horizontalHeader()->setStretchLastSection(true);
81//! [constructor part3]
82
83//! [constructor part4]
84 clearButton = new QPushButton(tr("Clear"));
85 copyButton = new QPushButton(tr("Copy"));
86 quitButton = new QPushButton(tr("Quit"));
87
88 buttonBox = new QDialogButtonBox;
89 buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole);
90 buttonBox->addButton(copyButton, QDialogButtonBox::ActionRole);
91#if !QT_CONFIG(clipboard)
92 copyButton->setVisible(false);
93#endif
94
95 buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
96
97 connect(quitButton, &QAbstractButton::clicked, this, &QWidget::close);
98 connect(clearButton, &QAbstractButton::clicked, dropArea, &DropArea::clear);
99 connect(copyButton, &QAbstractButton::clicked, this, &DropSiteWindow::copy);
100//! [constructor part4]
101
102//! [constructor part5]
103 QVBoxLayout *mainLayout = new QVBoxLayout(this);
104 mainLayout->addWidget(abstractLabel);
105 mainLayout->addWidget(dropArea);
106 mainLayout->addWidget(formatsTable);
107 mainLayout->addWidget(buttonBox);
108
109 setWindowTitle(tr("Drop Site"));
110 setMinimumSize(350, 500);
111}
112//! [constructor part5]
113
114//! [updateFormatsTable() part1]
115void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)
116{
117 formatsTable->setRowCount(0);
118 copyButton->setEnabled(false);
119 if (!mimeData)
120 return;
121//! [updateFormatsTable() part1]
122
123//! [updateFormatsTable() part2]
124 const QStringList formats = mimeData->formats();
125 for (const QString &format : formats) {
126 QTableWidgetItem *formatItem = new QTableWidgetItem(format);
127 formatItem->setFlags(Qt::ItemIsEnabled);
128 formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft);
129//! [updateFormatsTable() part2]
130
131//! [updateFormatsTable() part3]
132 QString text;
133 if (format == QLatin1String("text/plain")) {
134 text = mimeData->text().simplified();
135 } else if (format == QLatin1String("text/html")) {
136 text = mimeData->html().simplified();
137 } else if (format == QLatin1String("text/uri-list")) {
138 QList<QUrl> urlList = mimeData->urls();
139 for (int i = 0; i < urlList.size() && i < 32; ++i)
140 text.append(urlList.at(i).toString() + QLatin1Char(' '));
141 } else {
142 QByteArray data = mimeData->data(format);
143 for (int i = 0; i < data.size() && i < 32; ++i)
144 text.append(QStringLiteral("%1 ").arg(uchar(data[i]), 2, 16, QLatin1Char('0')).toUpper());
145 }
146//! [updateFormatsTable() part3]
147
148//! [updateFormatsTable() part4]
149 int row = formatsTable->rowCount();
150 formatsTable->insertRow(row);
151 formatsTable->setItem(row, 0, new QTableWidgetItem(format));
152 formatsTable->setItem(row, 1, new QTableWidgetItem(text));
153 }
154
155 formatsTable->resizeColumnToContents(0);
156#if QT_CONFIG(clipboard)
157 copyButton->setEnabled(formatsTable->rowCount() > 0);
158#endif
159}
160//! [updateFormatsTable() part4]
161
162void DropSiteWindow::copy()
163{
164#if QT_CONFIG(clipboard)
165 QString text;
166 for (int row = 0, rowCount = formatsTable->rowCount(); row < rowCount; ++row)
167 text += formatsTable->item(row, 0)->text() + ": " + formatsTable->item(row, 1)->text() + '\n';
168 QGuiApplication::clipboard()->setText(text);
169#endif
170}
171