]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/dolphindetailsview.cpp
For the URL control of Dolphin and Konqueror to be LTR on RTL desktops (those are...
[dolphin.git] / src / dolphindetailsview.cpp
index 3f23795ba408b285b907e5777c2c698a4cea1966..0dfe2ddb57cd3638e274577710ce0ee4f35945c9 100644 (file)
 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
     QTreeView(parent),
        m_autoResize(true),
+    m_expandingTogglePressed(false),
+    m_keyPressed(false),
     m_controller(controller),
+    m_selectionManager(0),
     m_font(),
     m_decorationSize(),
-    m_dragging(false),
     m_showElasticBand(false),
     m_elasticBandOrigin(),
     m_elasticBandDestination()
@@ -58,6 +60,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     Q_ASSERT(settings != 0);
     Q_ASSERT(controller != 0);
 
+    setLayoutDirection(Qt::LeftToRight);
     setAcceptDrops(true);
     setSortingEnabled(true);
     setUniformRowHeights(true);
@@ -67,9 +70,9 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     setAlternatingRowColors(true);
     setRootIsDecorated(settings->expandableFolders());
     setItemsExpandable(settings->expandableFolders());
+    setEditTriggers(QAbstractItemView::NoEditTriggers);
 
     setMouseTracking(true);
-    viewport()->setAttribute(Qt::WA_Hover);
 
     const ViewProperties props(controller->url());
     setSortIndicatorSection(props.sorting());
@@ -97,28 +100,30 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     // RETURN-key in keyPressEvent().
     if (KGlobalSettings::singleClick()) {
         connect(this, SIGNAL(clicked(const QModelIndex&)),
-                this, SLOT(triggerItem(const QModelIndex&)));
-        if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
-            SelectionManager* selManager = new SelectionManager(this);
-            connect(selManager, SIGNAL(selectionChanged()),
-                    this, SLOT(requestActivation()));
-            connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
-                    selManager, SLOT(reset()));
-        }
+                controller, SLOT(triggerItem(const QModelIndex&)));
     } else {
         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
-                this, SLOT(triggerItem(const QModelIndex&)));
+                controller, SLOT(triggerItem(const QModelIndex&)));
+    }
+
+    if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
+        m_selectionManager = new SelectionManager(this);
+        connect(m_selectionManager, SIGNAL(selectionChanged()),
+                this, SLOT(requestActivation()));
+        connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
+                m_selectionManager, SLOT(reset()));
     }
+
     connect(this, SIGNAL(entered(const QModelIndex&)),
             this, SLOT(slotEntered(const QModelIndex&)));
     connect(this, SIGNAL(viewportEntered()),
             controller, SLOT(emitViewportEntered()));
-    connect(controller, SIGNAL(zoomIn()),
-            this, SLOT(zoomIn()));
-    connect(controller, SIGNAL(zoomOut()),
-            this, SLOT(zoomOut()));
+    connect(controller, SIGNAL(zoomLevelChanged(int)),
+            this, SLOT(setZoomLevel(int)));
     connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
             this, SLOT(updateColumnVisibility()));
+    connect(controller, SIGNAL(activationChanged(bool)),
+            this, SLOT(slotActivationChanged(bool)));
 
     if (settings->useSystemFont()) {
         m_font = KGlobalSettings::generalFont();
@@ -129,18 +134,13 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
                        settings->italicFont());
     }
 
-// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
-//       check avoids a division by zero happening on versions before 4.3.1.
-//       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
-//       ereslibre
-#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
     setVerticalScrollMode(QTreeView::ScrollPerPixel);
     setHorizontalScrollMode(QTreeView::ScrollPerPixel);
-#endif
 
     updateDecorationSize();
 
     setFocus();
+    viewport()->installEventFilter(this);
 
     connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
             this, SLOT(updateFont()));
@@ -161,19 +161,12 @@ bool DolphinDetailsView::event(QEvent* event)
 
         hideColumn(DolphinModel::Rating);
         hideColumn(DolphinModel::Tags);
-    }
-// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
-//       check avoids a division by zero happening on versions before 4.3.1.
-//       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
-//       ereslibre
-#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
-    else if (event->type() == QEvent::UpdateRequest) {
+    } else if (event->type() == QEvent::UpdateRequest) {
         // a wheel movement will scroll 4 items
         if (model()->rowCount() > 0) {
             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
         }
     }
-#endif
 
     return QTreeView::event(event);
 }
@@ -197,17 +190,40 @@ void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 {
     m_controller->requestActivation();
 
+    const QModelIndex current = currentIndex();
     QTreeView::mousePressEvent(event);
 
+    m_expandingTogglePressed = false;
     const QModelIndex index = indexAt(event->pos());
+    const bool updateState = index.isValid() &&
+                             (index.column() == DolphinModel::Name) &&
+                             (event->button() == Qt::LeftButton);
+    if (updateState) {
+        // TODO: See comment in DolphinIconsView::mousePressEvent(). Only update
+        // the state if no expanding/collapsing area has been hit:
+        const QRect rect = visualRect(index);
+        if (event->pos().x() >= rect.x() + indentation()) {
+            setState(QAbstractItemView::DraggingState);
+        } else {
+            m_expandingTogglePressed = true;
+        }
+    }
+
     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+        if (QApplication::mouseButtons() & Qt::MidButton) {
+            m_controller->replaceUrlByClipboard();
+        }
+
         const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
         if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
             clearSelection();
         }
+
+        // restore the current index, other columns are handled as viewport area
+        selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
     }
 
-    if (event->button() == Qt::LeftButton) {
+    if ((event->button() == Qt::LeftButton) && !m_expandingTogglePressed) {
         m_showElasticBand = true;
 
         const QPoint pos(contentsPos());
@@ -237,35 +253,42 @@ void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
             setSelection(selRect, QItemSelectionModel::Select);
         }
 
-        // TODO: see comment at end of method
+        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+        // as the Qt-issue #199631 has been fixed.
         // QTreeView::mouseMoveEvent(event);
         QAbstractItemView::mouseMoveEvent(event);
         updateElasticBand();
     } else {
-        // TODO: see comment at end of method
-        //QTreeView::mouseMoveEvent(event);
+        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+        // as the Qt-issue #199631 has been fixed.
+        // QTreeView::mouseMoveEvent(event);
         QAbstractItemView::mouseMoveEvent(event);
     }
 
-    // The original implementation of QTreeView::mouseMoveEvent() looks like this (Qt4.4):
-    //
-    // void QTreeView::mouseMoveEvent(QMouseEvent *event)
-    // {
-    //     Q_D(QTreeView);
-    //     if (d->itemDecorationAt(event->pos()) == -1) // ### what about expanding/collapsing state ?
-    //         QAbstractItemView::mouseMoveEvent(event);
-    // }
-    //
-    // This prevents that the signal 'entered()' is emitted when the mouse is above a decoration,
-    // although the hovered item has changed. The SelectionManager is connected to 'entered()'
-    // and assumes that the old item is selected. This is currently bypassed by skipping
-    // the base implementation and invoking QAbstractItemView::mouseMoveEvent() directly.
-    // Submitted a bug report to Trolltech, bug ID is still pending.
+    if (m_expandingTogglePressed) {
+        // Per default QTreeView starts either a selection or a drag operation when dragging
+        // the expanding toggle button (Qt-issue - see TODO comment in DolphinIconsView::mousePressEvent()).
+        // Turn off this behavior in Dolphin to stay predictable:
+        clearSelection();
+        setState(QAbstractItemView::NoState);
+    }
 }
 
 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 {
-    QTreeView::mouseReleaseEvent(event);
+    const QModelIndex index = indexAt(event->pos());
+    if (index.isValid() && (index.column() == DolphinModel::Name)) {
+        QTreeView::mouseReleaseEvent(event);
+    } else {
+        // don't change the current index if the cursor is released
+        // above any other column than the name column, as the other
+        // columns act as viewport
+        const QModelIndex current = currentIndex();
+        QTreeView::mouseReleaseEvent(event);
+        selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
+    }
+
+    m_expandingTogglePressed = false;
     if (m_showElasticBand) {
         updateElasticBand();
         m_showElasticBand = false;
@@ -275,6 +298,7 @@ void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
 {
     DragAndDropHelper::startDrag(this, supportedActions);
+    m_showElasticBand = false;
 }
 
 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
@@ -287,15 +311,11 @@ void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
         updateElasticBand();
         m_showElasticBand = false;
     }
-    m_dragging = true;
 }
 
 void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
 {
     QTreeView::dragLeaveEvent(event);
-
-    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
-    m_dragging = false;
     setDirtyRegion(m_dropRect);
 }
 
@@ -306,11 +326,8 @@ void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
     setDirtyRegion(m_dropRect);
     const QModelIndex index = indexAt(event->pos());
-    if (!index.isValid() || (index.column() != DolphinModel::Name)) {
-        m_dragging = false;
-    } else {
-        m_dragging = true;
-        const KFileItem item = itemForIndex(index);
+    if (index.isValid() && (index.column() == DolphinModel::Name)) {
+        const KFileItem item = m_controller->itemForIndex(index);
         if (!item.isNull() && item.isDir()) {
             m_dropRect = visualRect(index);
         } else {
@@ -333,14 +350,13 @@ void DolphinDetailsView::dropEvent(QDropEvent* event)
         const QModelIndex index = indexAt(event->pos());
         KFileItem item;
         if (index.isValid() && (index.column() == DolphinModel::Name)) {
-            item = itemForIndex(index);
+            item = m_controller->itemForIndex(index);
         }
         m_controller->indicateDroppedUrls(urls,
                                           m_controller->url(),
                                           item);
     }
     QTreeView::dropEvent(event);
-    m_dragging = false;
 }
 
 void DolphinDetailsView::paintEvent(QPaintEvent* event)
@@ -361,32 +377,23 @@ void DolphinDetailsView::paintEvent(QPaintEvent* event)
         style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
         painter.restore();
     }
-
-    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
-    if (m_dragging) {
-        const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight);
-        DragAndDropHelper::drawHoverIndication(this, m_dropRect, brush);
-    }
 }
 
 void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 {
+    // If the Control modifier is pressed, a multiple selection
+    // is done and DolphinDetailsView::currentChanged() may not
+    // not change the selection in a custom way.
+    m_keyPressed = !(event->modifiers() & Qt::ControlModifier);
+
     QTreeView::keyPressEvent(event);
+    m_controller->handleKeyPressEvent(event);
+}
 
-    const QItemSelectionModel* selModel = selectionModel();
-    const QModelIndex currentIndex = selModel->currentIndex();
-    const bool trigger = currentIndex.isValid()
-                         && (event->key() == Qt::Key_Return)
-                         && (selModel->selectedIndexes().count() > 0);
-    if(trigger) {
-        const QModelIndexList indexList = selModel->selectedIndexes();
-        foreach (const QModelIndex &index, indexList) {
-            KFileItem item = itemForIndex(index);
-            if (!item.isNull()) {
-                triggerItem(index);
-            }
-        }
-    }
+void DolphinDetailsView::keyReleaseEvent(QKeyEvent* event)
+{
+    QTreeView::keyReleaseEvent(event);
+    m_keyPressed = false;
 }
 
 void DolphinDetailsView::resizeEvent(QResizeEvent* event)
@@ -399,14 +406,42 @@ void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 
 void DolphinDetailsView::wheelEvent(QWheelEvent* event)
 {
+    if (m_selectionManager != 0) {
+        m_selectionManager->reset();
+    }
+
     // let Ctrl+wheel events propagate to the DolphinView for icon zooming
-    if ((event->modifiers() & Qt::ControlModifier) == Qt::ControlModifier) {
+    if (event->modifiers() & Qt::ControlModifier) {
         event->ignore();
-       return;
+        return;
     }
+
     QTreeView::wheelEvent(event);
 }
 
+void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+    QTreeView::currentChanged(current, previous);
+
+    // Stay consistent with QListView: When changing the current index by key presses,
+    // also change the selection.
+    if (m_keyPressed) {
+        selectionModel()->select(current, QItemSelectionModel::ClearAndSelect);
+    }
+}
+
+bool DolphinDetailsView::eventFilter(QObject* watched, QEvent* event)
+{
+    if ((watched == viewport()) && (event->type() == QEvent::Leave)) {
+        // if the mouse is above an item and moved very fast outside the widget,
+        // no viewportEntered() signal might be emitted although the mouse has been moved
+        // above the viewport
+        m_controller->emitViewportEntered();
+    }
+
+    return QTreeView::eventFilter(watched, event);
+}
+
 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 {
     QHeaderView* headerView = header();
@@ -431,12 +466,9 @@ void DolphinDetailsView::synchronizeSortingState(int column)
 
 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 {
-    const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
-    const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
-    if (pos.x() < nameColumnWidth) {
-        m_controller->emitItemEntered(itemForIndex(index));
-    }
-    else {
+    if (index.column() == DolphinModel::Name) {
+        m_controller->emitItemEntered(index);
+    } else {
         m_controller->emitViewportEntered();
     }
 }
@@ -458,41 +490,13 @@ QRect DolphinDetailsView::elasticBandRect() const
     return QRect(topLeft, m_elasticBandDestination).normalized();
 }
 
-void DolphinDetailsView::zoomIn()
+void DolphinDetailsView::setZoomLevel(int level)
 {
-    if (isZoomInPossible()) {
-        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-        switch (settings->iconSize()) {
-        case KIconLoader::SizeSmall:  settings->setIconSize(KIconLoader::SizeMedium); break;
-        case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
-        default: Q_ASSERT(false); break;
-        }
-        updateDecorationSize();
-    }
-}
-
-void DolphinDetailsView::zoomOut()
-{
-    if (isZoomOutPossible()) {
-        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-        switch (settings->iconSize()) {
-        case KIconLoader::SizeLarge:  settings->setIconSize(KIconLoader::SizeMedium); break;
-        case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
-        default: Q_ASSERT(false); break;
-        }
-        updateDecorationSize();
-    }
-}
-
-void DolphinDetailsView::triggerItem(const QModelIndex& index)
-{
-    const KFileItem item = itemForIndex(index);
-    if (index.isValid() && (index.column() == KDirModel::Name)) {
-        m_controller->triggerItem(item);
-    } else {
-        clearSelection();
-        m_controller->emitItemEntered(item);
-    }
+    const int size = DolphinController::iconSizeForZoomLevel(level);
+    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    settings->setIconSize(size);
+    
+    updateDecorationSize();
 }
 
 void DolphinDetailsView::configureColumns(const QPoint& pos)
@@ -555,6 +559,11 @@ void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize,
     }
 }
 
+void DolphinDetailsView::slotActivationChanged(bool active)
+{
+    setAlternatingRowColors(active);
+}
+
 void DolphinDetailsView::disableAutoResizing()
 {
     m_autoResize = false;
@@ -575,18 +584,6 @@ void DolphinDetailsView::updateFont()
     }
 }
 
-bool DolphinDetailsView::isZoomInPossible() const
-{
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    return settings->iconSize() < KIconLoader::SizeLarge;
-}
-
-bool DolphinDetailsView::isZoomOutPossible() const
-{
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    return settings->iconSize() > KIconLoader::SizeSmall;
-}
-
 void DolphinDetailsView::updateDecorationSize()
 {
     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
@@ -594,8 +591,9 @@ void DolphinDetailsView::updateDecorationSize()
     setIconSize(QSize(iconSize, iconSize));
     m_decorationSize = QSize(iconSize, iconSize);
 
-    m_controller->setZoomInPossible(isZoomInPossible());
-    m_controller->setZoomOutPossible(isZoomOutPossible());
+    if (m_selectionManager != 0) {
+        m_selectionManager->reset();
+    }
 
     doItemsLayout();
 }
@@ -618,14 +616,6 @@ QPoint DolphinDetailsView::contentsPos() const
     return QPoint(0, y);
 }
 
-KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const
-{
-    QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
-    KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
-    const QModelIndex dirIndex = proxyModel->mapToSource(index);
-    return dirModel->itemForIndex(dirIndex);
-}
-
 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 {
     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;