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