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         MainBase(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     MainBase::addAction(closeAction);
  36 #endif // Q_OS_SYMBIAN
  37
  38     connect(list, SIGNAL(activated(const QModelIndex &)),
  39             this, SLOT(onItemActivated(const QModelIndex &)));
  40     connect(list, SIGNAL(itemSelectionChanged()),
  41             this, SLOT(onItemSelectionChanged()));
  42     connect(list, SIGNAL(itemSelectionChanged()),
  43             this, SIGNAL(itemSelectionChanged()));
  44 }
  45
  46 void ListWindow::populateList()
  47 {
  48     TRACE;
  49
  50     list->clear();
  51     list->setIconSize(QSize(48, 48)); // FIXME
  52     list->setUniformItemSizes(true);
  53     if (mModel && mModel->rowCount()) {
  54         for (int i = 0; i < mModel->rowCount(); i++) {
  55             QModelIndex index = mModel->index(i, 0);
  56             QString text = mModel->data(index, Qt::DisplayRole).toString();
  57             QVariant imageData = mModel->data(index, Qt::DecorationRole);
  58             QIcon icon(QPixmap::fromImage(imageData.value<QImage>()));
  59             (void)new QListWidgetItem(icon, text, list);
  60         }
  61     } else {
  62         QListWidgetItem *item = new QListWidgetItem(noItems);
  63         item->setFlags(Qt::NoItemFlags);
  64         list->addItem(item);
  65     }
  66     for (int i = 0; i < buttons.count(); i++) {
  67         insertButton(i, buttons[i]);
  68     }
  69 }
  70
  71 void ListWindow::insertButton(int row, const Button &b)
  72 {
  73     QPushButton *pushButton = new QPushButton(
  74         QIcon(Platform::instance()->icon(b.iconName)), b.title, this);
  75 #ifdef Q_OS_SYMBIAN
  76     pushButton->setFixedWidth(list->width());
  77 #endif
  78     connect(pushButton, SIGNAL(clicked()), b.receiver, b.slot);
  79     QListWidgetItem *item = new QListWidgetItem();
  80     item->setFlags(Qt::NoItemFlags);
  81     list->insertItem(row, item);
  82     list->setItemWidget(item, pushButton);
  83 }
  84
  85 void ListWindow::setModel(QAbstractItemModel *aModel)
  86 {
  87     TRACE;
  88     mModel = aModel;
  89     populateList();
  90     if (mModel) {
  91         connect(mModel, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
  92                 this, SLOT(populateList()));
  93         connect(mModel, SIGNAL(rowsRemoved(QModelIndex, int, int)),
  94                 this, SLOT(populateList()));
  95         connect(mModel, SIGNAL(rowsInserted(QModelIndex, int, int)),
  96                 this, SLOT(populateList()));
  97         connect(mModel, SIGNAL(layoutChanged()), this, SLOT(populateList()));
  98     }
  99 }
 100
 101 QAbstractItemModel *ListWindow::model() const
 102 {
 103     return mModel;
 104 }
 105
 106 void ListWindow::addButton(const QString &title, QObject *receiver,
 107                            const char *slot, const QString &iconName)
 108 {
 109     TRACE;
 110
 111 #if defined(Q_WS_MAEMO_5)
 112     Button b;
 113     b.title = title;
 114     b.receiver = receiver;
 115     b.slot = slot;
 116     b.iconName = iconName;
 117     insertButton(buttons.length(), b);
 118     buttons.append(b);
 119 #else
 120     (void)addToolBarAction(receiver, slot, iconName, title, true);
 121 #endif
 122 }
 123
 124 void ListWindow::addItemButton(const QString &title, QObject *receiver,
 125                                const char *slot, const QString &iconName)
 126 {
 127     TRACE;
 128 #if defined(Q_WS_MAEMO_5)
 129     Q_UNUSED(title);
 130     Q_UNUSED(receiver);
 131     Q_UNUSED(slot);
 132     Q_UNUSED(iconName);
 133 #else
 134     QAction *toolBarAction =
 135             addToolBarAction(receiver, slot, iconName, title, true);
 136     toolBarAction->setEnabled(false);
 137     itemActions.append(toolBarAction);
 138 #endif
 139 }
 140
 141 QAction *ListWindow::addMenuAction(const QString &title, QObject *receiver,
 142                                    const char *slot)
 143 {
 144     TRACE;
 145     QAction *action = 0;
 146 #if defined(Q_WS_MAEMO_5)
 147     action = menuBar()->addAction(title);
 148     connect(action, SIGNAL(triggered()), receiver, slot);
 149 #elif defined(Q_OS_SYMBIAN)
 150     action = new QAction(title, this);
 151     connect(action, SIGNAL(triggered()), receiver, slot);
 152     action->setSoftKeyRole(QAction::PositiveSoftKey);
 153     menuBar()->addAction(action);
 154 #else
 155     Q_UNUSED(title);
 156     Q_UNUSED(receiver);
 157     Q_UNUSED(slot);
 158     action = new QAction(this);
 159 #endif
 160     return action;
 161 }
 162
 163 void ListWindow::onItemActivated(const QModelIndex &index)
 164 {
 165     TRACE;
 166
 167     // Work around Qt/Symbian^3 bug: Disabled list items still can be selected
 168     if (!mModel) {
 169         return;
 170     }
 171     if (!mModel->rowCount()) {
 172         return;
 173     }
 174
 175     int row = index.row() - buttons.count();
 176     qDebug() << "Activated" << index.row() << ", emit activated(" << row
 177             << ")";
 178     emit activated(mModel->index(row, 0));
 179 }
 180
 181 void ListWindow::setCurrentItem(const QModelIndex &item)
 182 {
 183     int index = item.row();
 184     list->setCurrentItem(list->item(index + buttons.count()));
 185 }
 186
 187 QModelIndex ListWindow::currentItem() const
 188 {
 189     TRACE;
 190     QListWidgetItem *currentItem = list->currentItem();
 191     if (currentItem) {
 192         int row = list->row(currentItem) - buttons.count();
 193         qDebug() << "Current row is" << row;
 194         return mModel->index(row, 0);
 195     }
 196     return QModelIndex();
 197 }
 198
 199 #ifdef Q_WS_MAEMO_5
 200
 201 void ListWindow::closeEvent(QCloseEvent *event)
 202 {
 203     // Work around Maemo/Qt bug: Menu items are not removed on close
 204     menuBar()->clear();
 205     event->accept();
 206     QMainWindow::closeEvent(event);
 207 }
 208
 209 #endif // Q_WS_MAEMO_5
 210
 211 void ListWindow::onItemSelectionChanged()
 212 {
 213     TRACE;
 214     bool enabled = currentItem().isValid();
 215     foreach (QAction *action, itemActions) {
 216         action->setEnabled(enabled);
 217     }
 218 }