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

   1 /* $BEGIN_LICENSE
   2
   3 This file is part of Minitube.
   4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
   5
   6 Minitube is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 Minitube is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Minitube.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 $END_LICENSE */
  20
  21 #include "sidebarheader.h"
  22 #include "utils.h"
  23 #include "mediaview.h"
  24 #include "videosource.h"
  25 #include "fontutils.h"
  26 #include "utils.h"
  27
  28 SidebarHeader::SidebarHeader(QWidget *parent) : QToolBar(parent) { }
  29
  30 void SidebarHeader::setup() {
  31     static bool isSetup = false;
  32     if (isSetup) return;
  33     isSetup = true;
  34
  35     setIconSize(QSize(16, 16));
  36
  37     backAction = new QAction(
  38                 Utils::icon("go-previous"),
  39                 tr("&Back"), this);
  40     backAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Left));
  41     connect(backAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goBack()));
  42     addAction(backAction);
  43
  44     forwardAction = new QAction(
  45                 Utils::icon("go-next"),
  46                 tr("&Back"), this);
  47     forwardAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Right));
  48     connect(forwardAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goForward()));
  49     addAction(forwardAction);
  50
  51     foreach (QAction* action, actions()) {
  52         window()->addAction(action);
  53         Utils::setupAction(action);
  54     }
  55
  56     QWidget *spacerWidget = new QWidget(this);
  57     spacerWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
  58     addWidget(spacerWidget);
  59 }
  60
  61 QSize SidebarHeader::minimumSizeHint (void) const {
  62     return(QSize(160, QFontMetrics(font()).height() * 1.9));
  63 }
  64
  65 void SidebarHeader::updateInfo() {
  66     setup();
  67
  68     QList<VideoSource*> history = MediaView::instance()->getHistory();
  69     int currentIndex = MediaView::instance()->getHistoryIndex();
  70
  71     bool canGoForward = MediaView::instance()->canGoForward();
  72     forwardAction->setVisible(canGoForward);
  73     forwardAction->setEnabled(canGoForward);
  74     if (canGoForward) {
  75         VideoSource *nextVideoSource = history.at(currentIndex + 1);
  76         forwardAction->setStatusTip(
  77                     tr("Forward to %1")
  78                     .arg(nextVideoSource->getName())
  79                     + " (" + forwardAction->shortcut().toString(QKeySequence::NativeText) + ")"
  80                     );
  81     }
  82
  83     bool canGoBack = MediaView::instance()->canGoBack();
  84     bool backVisible = canGoForward || canGoBack;
  85     backAction->setVisible(backVisible);
  86     backAction->setEnabled(canGoBack);
  87     if (canGoBack) {
  88         VideoSource *previousVideoSource = history.at(currentIndex - 1);
  89         backAction->setStatusTip(
  90                     tr("Back to %1")
  91                     .arg(previousVideoSource->getName())
  92                     + " (" + backAction->shortcut().toString(QKeySequence::NativeText) + ")"
  93                     );
  94     }
  95
  96     VideoSource *currentVideoSource = history.at(currentIndex);
  97     connect(currentVideoSource, SIGNAL(nameChanged(QString)),
  98             SLOT(updateTitle(QString)), Qt::UniqueConnection);
  99     setTitle(currentVideoSource->getName());
 100 }
 101
 102 void SidebarHeader::updateTitle(QString title) {
 103     sender()->disconnect(this);
 104     setTitle(title);
 105 }
 106
 107 void SidebarHeader::setTitle(QString title) {
 108     this->title = title;
 109     update();
 110
 111     QList<VideoSource*> history = MediaView::instance()->getHistory();
 112     int currentIndex = MediaView::instance()->getHistoryIndex();
 113     VideoSource *currentVideoSource = history.at(currentIndex);
 114     foreach (QAction* action, videoSourceActions)
 115         removeAction(action);
 116     videoSourceActions = currentVideoSource->getActions();
 117     addActions(videoSourceActions);
 118 }
 119
 120 void SidebarHeader::paintEvent(QPaintEvent *event) {
 121     QToolBar::paintEvent(event);
 122     if (title.isEmpty()) return;
 123     QPainter p(this);
 124     p.setFont(FontUtils::smallBold());
 125     p.setPen(Qt::white);
 126
 127     const QRect r = rect();
 128
 129     QString t = title;
 130     QRect textBox = p.boundingRect(r, Qt::AlignCenter, t);
 131     int i = 1;
 132     static const int margin = 50;
 133     while (textBox.width() > r.width() - margin*2 && t.length() > 3) {
 134         t = t.left(t.length() - i).trimmed() + QLatin1String("...");
 135         textBox = p.boundingRect(r, Qt::AlignCenter, t);
 136         i++;
 137     }
 138     p.drawText(r, Qt::AlignCenter, t);
 139
 140
 141 }