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

   1 #include "sidebarheader.h"
   2 #include "utils.h"
   3 #include "mediaview.h"
   4 #include "videosource.h"
   5 #include "fontutils.h"
   6
   7 SidebarHeader::SidebarHeader(QWidget *parent) : QToolBar(parent) { }
   8
   9 void SidebarHeader::setup() {
  10     static bool isSetup = false;
  11     if (isSetup) return;
  12     isSetup = true;
  13
  14     backAction = new QAction(
  15                 Utils::icon("go-previous"),
  16                 tr("&Back"), this);
  17     backAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Left));
  18     connect(backAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goBack()));
  19     addAction(backAction);
  20
  21     forwardAction = new QAction(
  22                 Utils::icon("go-next"),
  23                 tr("&Back"), this);
  24     forwardAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Right));
  25     connect(forwardAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goForward()));
  26     addAction(forwardAction);
  27
  28     foreach (QAction* action, actions()) {
  29         window()->addAction(action);
  30         action->setAutoRepeat(false);
  31     }
  32
  33     /*
  34     QWidget *spacerWidget = new QWidget(this);
  35     spacerWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
  36     spacerWidget->setVisible(true);
  37     addWidget(spacerWidget);
  38     */
  39 }
  40
  41 QSize SidebarHeader::minimumSizeHint (void) const {
  42     return(QSize(1, QFontMetrics(font()).height() * 1.9));
  43 }
  44
  45 void SidebarHeader::updateInfo() {
  46     setup();
  47
  48     QList<VideoSource*> history = MediaView::instance()->getHistory();
  49     int currentIndex = MediaView::instance()->getHistoryIndex();
  50
  51     bool canGoForward = MediaView::instance()->canGoForward();
  52     forwardAction->setVisible(canGoForward);
  53     forwardAction->setEnabled(canGoForward);
  54     if (canGoForward) {
  55         VideoSource *nextVideoSource = history.at(currentIndex + 1);
  56         forwardAction->setStatusTip(
  57                     tr("Forward to %1")
  58                     .arg(nextVideoSource->getName())
  59                     + " (" + forwardAction->shortcut().toString(QKeySequence::NativeText) + ")"
  60                     );
  61     }
  62
  63     bool canGoBack = MediaView::instance()->canGoBack();
  64     bool backVisible = canGoForward || canGoBack;
  65     backAction->setVisible(backVisible);
  66     backAction->setEnabled(canGoBack);
  67     if (canGoBack) {
  68         VideoSource *previousVideoSource = history.at(currentIndex - 1);
  69         backAction->setStatusTip(
  70                     tr("Back to %1")
  71                     .arg(previousVideoSource->getName())
  72                     + " (" + backAction->shortcut().toString(QKeySequence::NativeText) + ")"
  73                     );
  74     }
  75
  76     VideoSource *currentVideoSource = history.at(currentIndex);
  77     connect(currentVideoSource, SIGNAL(nameChanged(QString)),
  78             SLOT(updateTitle(QString)), Qt::UniqueConnection);
  79     setTitle(currentVideoSource->getName());
  80 }
  81
  82 void SidebarHeader::updateTitle(QString title) {
  83     sender()->disconnect(this);
  84     setTitle(title);
  85 }
  86
  87 void SidebarHeader::setTitle(QString title) {
  88     this->title = title;
  89     update();
  90 }
  91
  92 void SidebarHeader::paintEvent(QPaintEvent *event) {
  93     QToolBar::paintEvent(event);
  94     if (title.isEmpty()) return;
  95     QPainter p(this);
  96     p.setFont(FontUtils::smallBold());
  97     p.setPen(Qt::white);
  98
  99     const QRect r = rect();
 100
 101     QString t = title;
 102     QRect textBox = p.boundingRect(r, Qt::AlignCenter, t);
 103     int i = 1;
 104     static const int margin = 100;
 105     while (textBox.width() > r.width() - margin) {
 106         t = t.left(t.length() - i) + "...";
 107         textBox = p.boundingRect(r, Qt::AlignCenter, t);
 108         i++;
 109     }
 110
 111     p.drawText(r, Qt::AlignCenter, t);
 112 }