git.maemo.org Git - dorian/blob - widgets/listwindow.cpp

   1 #include <QtGui>
   2 #include <QListWidget>
   3 #include <QAbstractItemModel>
   4
   5 #include "listwindow.h"
   6 #include "trace.h"
   7 #include "platform.h"
   8
   9 #ifdef Q_OS_SYMBIAN
  10 #include "flickcharm.h"
  11 #endif
  12
  13 ListWindow::ListWindow(const QString &noItems_, QWidget *parent):
  14         QMainWindow(parent), mModel(0), noItems(noItems_)
  15 {
  16 #if defined(Q_WS_MAEMO_5)
  17     setAttribute(Qt::WA_Maemo5StackedWindow, true);
  18 #endif
  19     setAttribute(Qt::WA_DeleteOnClose);
  20
  21     list = new QListWidget(this);
  22     list->setSelectionMode(QAbstractItemView::SingleSelection);
  23 #if defined(Q_OS_SYMBIAN)
  24     list->setFixedWidth(QApplication::desktop()->availableGeometry().width());
  25     list->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  26 #endif
  27     populateList();
  28     setCentralWidget(list);
  29
  30 #ifdef Q_OS_SYMBIAN
  31     charm = new FlickCharm(this);
  32     // charm->activateOn(list);
  33     QAction *closeAction = new QAction(parent? tr("Back"): tr("Exit"), this);
  34     closeAction->setSoftKeyRole(QAction::NegativeSoftKey);
  35     connect(closeAction, SIGNAL(triggered()), this, SLOT(close()));
  36     QMainWindow::addAction(closeAction);
  37 #endif // Q_OS_SYMBIAN
  38
  39     connect(list, SIGNAL(activated(const QModelIndex &)),
  40             this, SLOT(onItemActivated(const QModelIndex &)));
  41 }
  42
  43 void ListWindow::populateList()
  44 {
  45     TRACE;
  46
  47     list->clear();
  48     list->setIconSize(QSize(48, 48)); // FIXME
  49     list->setUniformItemSizes(true);
  50     if (mModel && mModel->rowCount()) {
  51         for (int i = 0; i < mModel->rowCount(); i++) {
  52             QModelIndex index = mModel->index(i, 0);
  53             QString text = mModel->data(index, Qt::DisplayRole).toString();
  54             QVariant imageData = mModel->data(index, Qt::DecorationRole);
  55             QIcon icon(QPixmap::fromImage(imageData.value<QImage>()));
  56             (void)new QListWidgetItem(icon, text, list);
  57         }
  58     } else {
  59         QListWidgetItem *item = new QListWidgetItem(noItems);
  60         item->setFlags(Qt::NoItemFlags);
  61         list->addItem(item);
  62     }
  63     for (int i = 0; i < buttons.count(); i++) {
  64         insertButton(i, buttons[i]);
  65     }
  66 }
  67
  68 void ListWindow::insertButton(int row, const Button &b)
  69 {
  70     QPushButton *pushButton = new QPushButton(
  71         QIcon(Platform::instance()->icon(b.iconName)), b.title, this);
  72     pushButton->setFixedWidth(list->width());
  73     connect(pushButton, SIGNAL(clicked()), b.receiver, b.slot);
  74     QListWidgetItem *item = new QListWidgetItem();
  75     item->setFlags(Qt::NoItemFlags);
  76     list->insertItem(row, item);
  77     list->setItemWidget(item, pushButton);
  78 }
  79
  80 void ListWindow::setModel(QAbstractItemModel *aModel)
  81 {
  82     TRACE;
  83     mModel = aModel;
  84     populateList();
  85     if (mModel) {
  86         connect(mModel, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
  87                 this, SLOT(populateList()));
  88         connect(mModel, SIGNAL(rowsRemoved(QModelIndex, int, int)),
  89                 this, SLOT(populateList()));
  90         connect(mModel, SIGNAL(rowsInserted(QModelIndex, int, int)),
  91                 this, SLOT(populateList()));
  92         connect(mModel, SIGNAL(layoutChanged()), this, SLOT(populateList()));
  93     }
  94 }
  95
  96 QAbstractItemModel *ListWindow::model() const
  97 {
  98     return mModel;
  99 }
 100
 101 void ListWindow::addButton(const QString &title, QObject *receiver,
 102                            const char *slot, const QString &iconName)
 103 {
 104     TRACE;
 105
 106 #ifdef Q_OS_SYMBIAN
 107     Q_UNUSED(iconName);
 108     addMenuAction(title, receiver, slot);
 109 #else
 110     Button b;
 111     b.title = title;
 112     b.receiver = receiver;
 113     b.slot = slot;
 114     b.iconName = iconName;
 115     insertButton(buttons.length(), b);
 116     buttons.append(b);
 117 #endif
 118 }
 119
 120 QAction *ListWindow::addMenuAction(const QString &title, QObject *receiver,
 121                                    const char *slot)
 122 {
 123     TRACE;
 124     QAction *action = 0;
 125 #if defined(Q_WS_MAEMO_5)
 126     action = menuBar()->addAction(title);
 127     connect(action, SIGNAL(triggered()), receiver, slot);
 128 #elif defined(Q_OS_SYMBIAN)
 129     action = new QAction(title, this);
 130     connect(action, SIGNAL(triggered()), receiver, slot);
 131     action->setSoftKeyRole(QAction::PositiveSoftKey);
 132     menuBar()->addAction(action);
 133 #else
 134     Q_UNUSED(title);
 135     Q_UNUSED(receiver);
 136     Q_UNUSED(slot);
 137     action = new QAction(this);
 138 #endif
 139     action->setCheckable(true);
 140     return action;
 141 }
 142
 143 void ListWindow::onItemActivated(const QModelIndex &index)
 144 {
 145     TRACE;
 146
 147     // Work around Qt/Symbian^3 bug: Disabled list items still can be selected
 148     if (!mModel) {
 149         return;
 150     }
 151     if (!mModel->rowCount()) {
 152         return;
 153     }
 154
 155     int row = index.row() - buttons.count();
 156     qDebug() << "Activated" << index.row() << ", emit activated(" << row << ")";
 157     emit activated(mModel->index(row, 0));
 158 }
 159
 160 void ListWindow::setCurrentItem(const QModelIndex &item)
 161 {
 162     int index = item.row();
 163     list->setCurrentItem(list->item(index + buttons.count()));
 164 }
 165
 166 QModelIndex ListWindow::currentItem() const
 167 {
 168     TRACE;
 169     QListWidgetItem *currentItem = list->currentItem();
 170     if (currentItem) {
 171         int row = list->row(currentItem) - buttons.count();
 172         qDebug() << "Current row is" << row;
 173         return mModel->index(row, 0);
 174     }
 175     return QModelIndex();
 176 }
 177
 178 #ifdef Q_WS_MAEMO_5
 179
 180 void ListWindow::closeEvent(QCloseEvent *event)
 181 {
 182     // Work around Maemo/Qt bug: Menu items are not removed on close
 183     menuBar()->clear();
 184     event->accept();
 185     QMainWindow::closeEvent(event);
 186 }
 187
 188 #endif // Q_WS_MAEMO_5
 189
 190 #ifdef Q_OS_SYMBIAN
 191
 192 void ListWindow::show()
 193 {
 194     foreach (QWidget *w, QApplication::allWidgets()) {
 195         w->setContextMenuPolicy(Qt::NoContextMenu);
 196     }
 197     showMaximized();
 198 }
 199
 200 #endif // Q_OS_SYMBIAN