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 "iconutils.h"
  23 #include "mediaview.h"
  24 #include "videosource.h"
  25 #include "iconutils.h"
  26
  27 SidebarHeader::SidebarHeader(QWidget *parent) : QToolBar(parent) { }
  28
  29 void SidebarHeader::setup() {
  30     static bool isSetup = false;
  31     if (isSetup) return;
  32     isSetup = true;
  33
  34     setIconSize(QSize(16, 16));
  35
  36     backAction = new QAction(
  37                 IconUtils::icon("go-previous"),
  38                 tr("&Back"), this);
  39     backAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Left));
  40     connect(backAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goBack()));
  41     addAction(backAction);
  42
  43     forwardAction = new QAction(
  44                 IconUtils::icon("go-next"),
  45                 tr("&Back"), this);
  46     forwardAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Right));
  47     connect(forwardAction, SIGNAL(triggered()), MediaView::instance(), SLOT(goForward()));
  48     addAction(forwardAction);
  49
  50     foreach (QAction* action, actions()) {
  51         window()->addAction(action);
  52         IconUtils::setupAction(action);
  53     }
  54
  55     QWidget *spacerWidget = new QWidget(this);
  56     spacerWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
  57     addWidget(spacerWidget);
  58 }
  59
  60 QSize SidebarHeader::minimumSizeHint (void) const {
  61     return(QSize(160, QFontMetrics(font()).height() * 1.9));
  62 }
  63
  64 void SidebarHeader::updateInfo() {
  65     setup();
  66
  67     QList<VideoSource*> history = MediaView::instance()->getHistory();
  68     int currentIndex = MediaView::instance()->getHistoryIndex();
  69
  70     bool canGoForward = MediaView::instance()->canGoForward();
  71     forwardAction->setVisible(canGoForward);
  72     forwardAction->setEnabled(canGoForward);
  73     if (canGoForward) {
  74         VideoSource *nextVideoSource = history.at(currentIndex + 1);
  75         forwardAction->setStatusTip(
  76                     tr("Forward to %1")
  77                     .arg(nextVideoSource->getName())
  78                     + " (" + forwardAction->shortcut().toString(QKeySequence::NativeText) + ")"
  79                     );
  80     }
  81
  82     bool canGoBack = MediaView::instance()->canGoBack();
  83     bool backVisible = canGoForward || canGoBack;
  84     backAction->setVisible(backVisible);
  85     backAction->setEnabled(canGoBack);
  86     if (canGoBack) {
  87         VideoSource *previousVideoSource = history.at(currentIndex - 1);
  88         backAction->setStatusTip(
  89                     tr("Back to %1")
  90                     .arg(previousVideoSource->getName())
  91                     + " (" + backAction->shortcut().toString(QKeySequence::NativeText) + ")"
  92                     );
  93     }
  94
  95     VideoSource *currentVideoSource = history.at(currentIndex);
  96     connect(currentVideoSource, SIGNAL(nameChanged(QString)),
  97             SLOT(updateTitle(QString)), Qt::UniqueConnection);
  98     setTitle(currentVideoSource->getName());
  99 }
 100
 101 void SidebarHeader::updateTitle(QString title) {
 102     sender()->disconnect(this);
 103     setTitle(title);
 104 }
 105
 106 void SidebarHeader::setTitle(QString title) {
 107     this->title = title;
 108     update();
 109
 110     QList<VideoSource*> history = MediaView::instance()->getHistory();
 111     int currentIndex = MediaView::instance()->getHistoryIndex();
 112     VideoSource *currentVideoSource = history.at(currentIndex);
 113     foreach (QAction* action, videoSourceActions)
 114         removeAction(action);
 115     videoSourceActions = currentVideoSource->getActions();
 116     addActions(videoSourceActions);
 117 }
 118
 119 void SidebarHeader::paintEvent(QPaintEvent *event) {
 120     QToolBar::paintEvent(event);
 121     if (title.isEmpty()) return;
 122     QPainter p(this);
 123     p.setPen(Qt::white);
 124
 125     const QRect r = rect();
 126
 127     QString t = title;
 128     QRect textBox = p.boundingRect(r, Qt::AlignCenter, t);
 129     int i = 1;
 130     static const int margin = 50;
 131     while (textBox.width() > r.width() - margin*2 && t.length() > 3) {
 132         t = t.left(t.length() - i).trimmed() + QLatin1String("...");
 133         textBox = p.boundingRect(r, Qt::AlignCenter, t);
 134         i++;
 135     }
 136     p.drawText(r, Qt::AlignCenter, t);
 137
 138
 139 }