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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QBrush>
#include <QDebug>
#include <QDesktopServices>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QPainter>
#include <QPixmap>
#include "timeline/widgets/FileItem.h"
constexpr int MaxWidth = 400;
constexpr int Height = 70;
constexpr int IconRadius = 22;
constexpr int IconDiameter = IconRadius * 2;
constexpr int HorizontalPadding = 12;
constexpr int TextPadding = 15;
constexpr int DownloadIconRadius = IconRadius - 4;
constexpr double VerticalPadding = Height - 2 * IconRadius;
constexpr double IconYCenter = Height / 2;
constexpr double IconXCenter = HorizontalPadding + IconRadius;
void
FileItem::init()
{
setMouseTracking(true);
setCursor(Qt::PointingHandCursor);
setAttribute(Qt::WA_Hover, true);
icon_.addFile(":/icons/icons/ui/arrow-pointing-down.png");
QList<QString> url_parts = url_.toString().split("mxc://");
if (url_parts.size() != 2) {
qDebug() << "Invalid format for image" << url_.toString();
return;
}
QString media_params = url_parts[1];
url_ = QString("%1/_matrix/media/r0/download/%2")
.arg(client_.data()->getHomeServer().toString(), media_params);
connect(client_.data(), &MatrixClient::fileDownloaded, this, &FileItem::fileDownloaded);
}
FileItem::FileItem(QSharedPointer<MatrixClient> client,
const mtx::events::RoomEvent<mtx::events::msg::File> &event,
QWidget *parent)
: QWidget(parent)
, url_{QString::fromStdString(event.content.url)}
, text_{QString::fromStdString(event.content.body)}
, event_{event}
, client_{client}
{
readableFileSize_ = calculateFileSize(event.content.info.size);
init();
}
FileItem::FileItem(QSharedPointer<MatrixClient> client,
const QString &url,
const QString &filename,
QWidget *parent)
: QWidget(parent)
, url_{url}
, text_{QFileInfo(filename).fileName()}
, client_{client}
{
readableFileSize_ = calculateFileSize(QFileInfo(filename).size());
init();
}
QString
FileItem::calculateFileSize(int nbytes) const
{
if (nbytes == 0)
return QString("");
if (nbytes < 1024)
return QString("%1 B").arg(nbytes);
if (nbytes < 1024 * 1024)
return QString("%1 KB").arg(nbytes / 1024);
return QString("%1 MB").arg(nbytes / 1024 / 1024);
}
void
FileItem::openUrl()
{
if (url_.toString().isEmpty())
return;
if (!QDesktopServices::openUrl(url_))
qWarning() << "Could not open url" << url_.toString();
}
QSize
FileItem::sizeHint() const
{
return QSize(MaxWidth, Height);
}
void
FileItem::mousePressEvent(QMouseEvent *event)
{
if (event->button() != Qt::LeftButton)
return;
auto point = event->pos();
// Click on the download icon.
if (QRect(HorizontalPadding, VerticalPadding / 2, IconDiameter, IconDiameter)
.contains(point)) {
filenameToSave_ = QFileDialog::getSaveFileName(this, tr("Save File"), text_);
if (filenameToSave_.isEmpty())
return;
client_->downloadFile(QString::fromStdString(event_.event_id), url_);
} else {
openUrl();
}
}
void
FileItem::fileDownloaded(const QString &event_id, const QByteArray &data)
{
if (event_id != QString::fromStdString(event_.event_id))
return;
try {
QFile file(filenameToSave_);
if (!file.open(QIODevice::WriteOnly))
return;
file.write(data);
file.close();
} catch (const std::exception &ex) {
qDebug() << "Error while saving file to:" << ex.what();
}
}
void
FileItem::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
QFont font("Open Sans");
font.setPixelSize(12);
font.setWeight(80);
QFontMetrics fm(font);
int computedWidth = std::min(
fm.width(text_) + 2 * IconRadius + VerticalPadding * 2 + TextPadding, (double)MaxWidth);
QPainterPath path;
path.addRoundedRect(QRectF(0, 0, computedWidth, Height), 10, 10);
painter.setPen(Qt::NoPen);
painter.fillPath(path, backgroundColor_);
painter.drawPath(path);
QPainterPath circle;
circle.addEllipse(QPoint(IconXCenter, IconYCenter), IconRadius, IconRadius);
painter.setPen(Qt::NoPen);
painter.fillPath(circle, iconColor_);
painter.drawPath(circle);
icon_.paint(&painter,
QRect(IconXCenter - DownloadIconRadius / 2,
IconYCenter - DownloadIconRadius / 2,
DownloadIconRadius,
DownloadIconRadius),
Qt::AlignCenter,
QIcon::Normal);
const int textStartX = HorizontalPadding + 2 * IconRadius + TextPadding;
const int textStartY = VerticalPadding + fm.ascent() / 2;
// Draw the filename.
QString elidedText =
fm.elidedText(text_,
Qt::ElideRight,
computedWidth - HorizontalPadding * 2 - TextPadding - 2 * IconRadius);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY), elidedText);
// Draw the filesize.
font.setWeight(50);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY + 1.5 * fm.ascent()), readableFileSize_);
}
|
