git.sur5r.net Git - minitube/blob - src/videosourcewidget.cpp

   1 #include "videosourcewidget.h"
   2 #include "videosource.h"
   3 #include "video.h"
   4 #include "fontutils.h"
   5
   6 VideoSourceWidget::VideoSourceWidget(VideoSource *videoSource, QWidget *parent)
   7     : QWidget(parent),
   8       videoSource(videoSource),
   9       hovered(false),
  10       pressed(false) {
  11
  12     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  13     setCursor(Qt::PointingHandCursor);
  14     setFocusPolicy(Qt::StrongFocus);
  15
  16     connect(videoSource, SIGNAL(gotVideos(QList<Video*>)),
  17             SLOT(previewVideo(QList<Video*>)), Qt::UniqueConnection);
  18     videoSource->loadVideos(1, 1);
  19 }
  20
  21 void VideoSourceWidget::activate() {
  22     emit activated(videoSource);
  23 }
  24
  25 void VideoSourceWidget::previewVideo(QList<Video*> videos) {
  26     videoSource->disconnect();
  27     if (videos.isEmpty()) return;
  28     video = videos.first();
  29     connect(video, SIGNAL(gotMediumThumbnail(QByteArray)),
  30             SLOT(setPixmapData(QByteArray)), Qt::UniqueConnection);
  31     video->loadMediumThumbnail();
  32 }
  33
  34 void VideoSourceWidget::setPixmapData(QByteArray bytes) {
  35     video->deleteLater();
  36     video = 0;
  37     pixmap.loadFromData(bytes);
  38     update();
  39 }
  40
  41 QPixmap VideoSourceWidget::playPixmap() {
  42     const int s = height() / 2;
  43     const int padding = s / 8;
  44     QPixmap playIcon = QPixmap(s, s);
  45     playIcon.fill(Qt::transparent);
  46     QPainter painter(&playIcon);
  47     QPolygon polygon;
  48     polygon << QPoint(padding, padding)
  49             << QPoint(s - padding, s / 2)
  50             << QPoint(padding, s - padding);
  51     painter.setRenderHints(QPainter::Antialiasing, true);
  52
  53     // QColor color = pressed ? Qt::black : Qt::white;
  54     QColor color = Qt::white;
  55     painter.setBrush(color);
  56     QPen pen;
  57     pen.setColor(color);
  58     pen.setWidth(10);
  59     pen.setJoinStyle(Qt::RoundJoin);
  60     pen.setCapStyle(Qt::RoundCap);
  61     painter.setPen(pen);
  62     painter.drawPolygon(polygon);
  63     return playIcon;
  64 }
  65
  66 void VideoSourceWidget::paintEvent(QPaintEvent *) {
  67     if (pixmap.isNull()) return;
  68
  69     QPainter p(this);
  70
  71     const int w = width();
  72     const int h = height();
  73
  74     int xOffset = 0;
  75     int xOrigin = 0;
  76     int wDiff = pixmap.width() - w;
  77     if (wDiff > 0) xOffset = wDiff / 2;
  78     else xOrigin = -wDiff / 2;
  79     int yOffset = 0;
  80     int yOrigin = 0;
  81     int hDiff = pixmap.height() - h;
  82     if (hDiff > 0) yOffset = hDiff / 4;
  83     else yOrigin = -hDiff / 2;
  84     p.drawPixmap(xOrigin, yOrigin, pixmap, xOffset, yOffset, w, h);
  85
  86     if (hovered) {
  87         QPixmap play = playPixmap();
  88         p.save();
  89         p.setOpacity(.5);
  90         p.drawPixmap(
  91                     (w - play.width()) / 2,
  92                     (h * 2/3 - play.height()) / 2,
  93                     play
  94                     );
  95         p.restore();
  96     }
  97
  98     QRect nameBox = rect();
  99     nameBox.adjust(0, 0, 0, -h*2/3);
 100     nameBox.translate(0, h - nameBox.height());
 101     p.save();
 102     p.setPen(Qt::NoPen);
 103     p.setBrush(QColor(0, 0, 0, 128));
 104     p.drawRect(nameBox);
 105     p.restore();
 106
 107     QString name = videoSource->getName();
 108     bool tooBig = false;
 109     p.save();
 110     p.setFont(FontUtils::medium());
 111     QRect textBox = p.boundingRect(nameBox, Qt::AlignCenter | Qt::TextWordWrap, name);
 112     if (textBox.height() > nameBox.height()) {
 113         p.setFont(font());
 114         textBox = p.boundingRect(nameBox, Qt::AlignCenter | Qt::TextWordWrap, name);
 115         if (textBox.height() > nameBox.height()) {
 116             p.setClipRect(nameBox);
 117             tooBig = true;
 118         }
 119     }
 120     p.setPen(Qt::white);
 121     if (tooBig)
 122         p.drawText(nameBox, Qt::AlignHCenter | Qt::AlignTop | Qt::TextWordWrap, name);
 123     else
 124         p.drawText(textBox, Qt::AlignCenter | Qt::TextWordWrap, name);
 125     p.restore();
 126
 127     if (hasFocus()) {
 128         p.save();
 129         QPen pen;
 130         pen.setBrush(palette().highlight());
 131         pen.setWidth(2);
 132         p.setPen(pen);
 133         p.drawRect(rect());
 134         p.restore();
 135     }
 136 }
 137
 138 void VideoSourceWidget::mouseMoveEvent (QMouseEvent *event) {
 139     QWidget::mouseMoveEvent(event);
 140     hovered = rect().contains(event->pos());
 141 }
 142
 143 void VideoSourceWidget::mousePressEvent(QMouseEvent *event) {
 144     QWidget::mousePressEvent(event);
 145     if (event->button() != Qt::LeftButton) return;
 146     pressed = true;
 147     update();
 148 }
 149
 150 void VideoSourceWidget::mouseReleaseEvent(QMouseEvent *event) {
 151     QWidget::mouseReleaseEvent(event);
 152     if (event->button() != Qt::LeftButton) return;
 153     pressed = false;
 154     if (hovered) emit activated(videoSource);
 155 }
 156
 157 void VideoSourceWidget::leaveEvent(QEvent *event) {
 158     QWidget::leaveEvent(event);
 159     hovered = false;
 160     update();
 161 }
 162
 163 void VideoSourceWidget::enterEvent(QEvent *event) {
 164     QWidget::enterEvent(event);
 165     hovered = true;
 166     update();
 167 }
 168
 169 void VideoSourceWidget::keyReleaseEvent(QKeyEvent *event) {
 170     if (event->key() == Qt::Key_Return)
 171         emit activated(videoSource);
 172 }