Imported Upstream version 2.0

[minitube] / src / sidebarheader.cpp

diff --git a/src/sidebarheader.cpp b/src/sidebarheader.cpp
new file mode 100644 (file)
index 0000000..91670a9
--- /dev/null
+++ b/src/sidebarheader.cpp
@@ -0,0 +1,112 @@
+#include "sidebarheader.h"
+#include "utils.h"
+#include "mediaview.h"
+#include "videosource.h"
+#include "fontutils.h"
+
+SidebarHeader::SidebarHeader(QWidget *parent) : QToolBar(parent) { }
+
+void SidebarHeader::setup() {
+    static bool isSetup = false;
+    if (isSetup) return;
+    isSetup = true;
+
+    backAction = new QAction(
+                Utils::icon("go-previous"),
+                tr("&Back"), this);
+    backAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Left));
+    connect(backAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goBack()));
+    addAction(backAction);
+
+    forwardAction = new QAction(
+                Utils::icon("go-next"),
+                tr("&Back"), this);
+    forwardAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Right));
+    connect(forwardAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goForward()));
+    addAction(forwardAction);
+
+    foreach (QAction* action, actions()) {
+        window()->addAction(action);
+        action->setAutoRepeat(false);
+    }
+
+    /*
+    QWidget *spacerWidget = new QWidget(this);
+    spacerWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+    spacerWidget->setVisible(true);
+    addWidget(spacerWidget);
+    */
+}
+
+QSize SidebarHeader::minimumSizeHint (void) const {
+    return(QSize(1, QFontMetrics(font()).height() * 1.9));
+}
+
+void SidebarHeader::updateInfo() {
+    setup();
+
+    QList<VideoSource*> history = MediaView::instance()->getHistory();
+    int currentIndex = MediaView::instance()->getHistoryIndex();
+
+    bool canGoForward = MediaView::instance()->canGoForward();
+    forwardAction->setVisible(canGoForward);
+    forwardAction->setEnabled(canGoForward);
+    if (canGoForward) {
+        VideoSource *nextVideoSource = history.at(currentIndex + 1);
+        forwardAction->setStatusTip(
+                    tr("Forward to %1")
+                    .arg(nextVideoSource->getName())
+                    + " (" + forwardAction->shortcut().toString(QKeySequence::NativeText) + ")"
+                    );
+    }
+
+    bool canGoBack = MediaView::instance()->canGoBack();
+    bool backVisible = canGoForward || canGoBack;
+    backAction->setVisible(backVisible);
+    backAction->setEnabled(canGoBack);
+    if (canGoBack) {
+        VideoSource *previousVideoSource = history.at(currentIndex - 1);
+        backAction->setStatusTip(
+                    tr("Back to %1")
+                    .arg(previousVideoSource->getName())
+                    + " (" + backAction->shortcut().toString(QKeySequence::NativeText) + ")"
+                    );
+    }
+
+    VideoSource *currentVideoSource = history.at(currentIndex);
+    connect(currentVideoSource, SIGNAL(nameChanged(QString)),
+            SLOT(updateTitle(QString)), Qt::UniqueConnection);
+    setTitle(currentVideoSource->getName());
+}
+
+void SidebarHeader::updateTitle(QString title) {
+    sender()->disconnect(this);
+    setTitle(title);
+}
+
+void SidebarHeader::setTitle(QString title) {
+    this->title = title;
+    update();
+}
+
+void SidebarHeader::paintEvent(QPaintEvent *event) {
+    QToolBar::paintEvent(event);
+    if (title.isEmpty()) return;
+    QPainter p(this);
+    p.setFont(FontUtils::smallBold());
+    p.setPen(Qt::white);
+
+    const QRect r = rect();
+
+    QString t = title;
+    QRect textBox = p.boundingRect(r, Qt::AlignCenter, t);
+    int i = 1;
+    static const int margin = 100;
+    while (textBox.width() > r.width() - margin) {
+        t = t.left(t.length() - i) + "...";
+        textBox = p.boundingRect(r, Qt::AlignCenter, t);
+        i++;
+    }
+
+    p.drawText(r, Qt::AlignCenter, t);
+}