1 /*
2 SPDX-FileCopyrightText: 2009 Marco Martin <notmart@gmail.com>
3
4 SPDX-License-Identifier: LGPL-2.0-or-later
5 */
6
7 #include "screenpreviewwidget.h"
8
9 #include <QResizeEvent>
10 #include <QPaintEvent>
11 #include <QPainter>
12
13 #include <QDebug>
14 #include <QMimeData>
15
16 #include <Plasma/FrameSvg>
17 #include <kurlmimedata.h>
18
19
20 class ScreenPreviewWidgetPrivate
21 {
22 public:
ScreenPreviewWidgetPrivate(ScreenPreviewWidget * screen)23 ScreenPreviewWidgetPrivate(ScreenPreviewWidget *screen)
24 : q(screen),
25 ratio(1)
26 {}
27
~ScreenPreviewWidgetPrivate()28 ~ScreenPreviewWidgetPrivate()
29 {}
30
updateRect(const QRectF & rect)31 void updateRect(const QRectF& rect)
32 {
33 q->update(rect.toRect());
34 }
35
updateScreenGraphics()36 void updateScreenGraphics()
37 {
38 int bottomElements = screenGraphics->elementSize("base").height() + screenGraphics->marginSize(Plasma::Types::BottomMargin);
39 QRect bounds(QPoint(0,0), QSize(q->size().width(), q->height() - bottomElements));
40
41 QSize monitorSize(q->size().width(), q->size().width()/ratio);
42 monitorSize.scale(bounds.size(), Qt::KeepAspectRatio);
43
44 if (monitorSize.isEmpty()) {
45 return;
46 }
47
48 monitorRect = QRect(QPoint(0,0), monitorSize);
49 monitorRect.moveCenter(bounds.center());
50
51 screenGraphics->resizeFrame(monitorRect.size());
52
53 previewRect = screenGraphics->contentsRect().toRect();
54 previewRect.moveCenter(bounds.center());
55 }
56
57 ScreenPreviewWidget *q;
58 Plasma::FrameSvg *screenGraphics;
59 QPixmap preview;
60 QRect monitorRect;
61 qreal ratio;
62 QRect previewRect;
63 };
64
ScreenPreviewWidget(QWidget * parent)65 ScreenPreviewWidget::ScreenPreviewWidget(QWidget *parent)
66 : QWidget(parent),
67 d(new ScreenPreviewWidgetPrivate(this))
68 {
69 d->screenGraphics = new Plasma::FrameSvg(this);
70 d->screenGraphics->setImagePath("widgets/monitor");
71 d->updateScreenGraphics();
72 }
73
~ScreenPreviewWidget()74 ScreenPreviewWidget::~ScreenPreviewWidget()
75 {
76 delete d;
77 }
78
setPreview(const QPixmap & preview)79 void ScreenPreviewWidget::setPreview(const QPixmap &preview)
80 {
81 d->preview = preview;
82
83 update();
84 }
85
preview() const86 const QPixmap ScreenPreviewWidget::preview() const
87 {
88 return d->preview;
89 }
90
setRatio(const qreal ratio)91 void ScreenPreviewWidget::setRatio(const qreal ratio)
92 {
93 d->ratio = ratio;
94 d->updateScreenGraphics();
95 }
96
ratio() const97 qreal ScreenPreviewWidget::ratio() const
98 {
99 return d->ratio;
100 }
101
previewRect() const102 QRect ScreenPreviewWidget::previewRect() const
103 {
104 return d->previewRect;
105 }
106
resizeEvent(QResizeEvent * e)107 void ScreenPreviewWidget::resizeEvent(QResizeEvent *e)
108 {
109 Q_UNUSED(e)
110 d->updateScreenGraphics();
111 }
112
paintEvent(QPaintEvent * event)113 void ScreenPreviewWidget::paintEvent(QPaintEvent *event)
114 {
115 Q_UNUSED(event)
116 if (d->monitorRect.size().isEmpty()) {
117 return;
118 }
119
120 QPainter painter(this);
121 QPoint standPosition(d->monitorRect.center().x() - d->screenGraphics->elementSize("base").width()/2, d->previewRect.bottom());
122
123 d->screenGraphics->paint(&painter, QRect(standPosition, d->screenGraphics->elementSize("base")), "base");
124 d->screenGraphics->paintFrame(&painter, d->monitorRect.topLeft());
125
126 painter.save();
127 if (!d->preview.isNull()) {
128 painter.setRenderHint(QPainter::SmoothPixmapTransform);
129 painter.drawPixmap(d->previewRect, d->preview, d->preview.rect());
130 }
131 painter.restore();
132
133 d->screenGraphics->paint(&painter, d->previewRect, "glass");
134 }
135
dropEvent(QDropEvent * e)136 void ScreenPreviewWidget::dropEvent(QDropEvent *e)
137 {
138 if (!e->mimeData()->hasUrls())
139 return;
140
141 QList<QUrl> uris(KUrlMimeData::urlsFromMimeData(e->mimeData()));
142 if (!uris.isEmpty()) {
143 // TODO: Download remote file
144 if (uris.first().isLocalFile())
145 Q_EMIT imageDropped(uris.first().path());
146 }
147 }
148
149 #include "moc_screenpreviewwidget.cpp"
150