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