#include <kcategorizedsortfilterproxymodel.h>
#include <kdialog.h>
#include <kdirmodel.h>
+#include <kfileitemdelegate.h>
#include <QAbstractProxyModel>
#include <QApplication>
-#include <QPainter>
-#include <QPoint>
#include <QScrollBar>
DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
KCategorizedView(parent),
+ m_enableScrollTo(false),
m_controller(controller),
+ m_selectionManager(0),
m_categoryDrawer(0),
m_font(),
m_decorationSize(),
setSpacing(KDialog::spacingHint());
setMovement(QListView::Static);
setDragEnabled(true);
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
viewport()->setAcceptDrops(true);
+ setMouseTracking(true);
+
// TODO: Connecting to the signal 'activated()' is not possible, as kstyle
// does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
// necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
connect(this, SIGNAL(clicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
- SelectionManager* selManager = new SelectionManager(this);
- connect(selManager, SIGNAL(selectionChanged()),
+ m_selectionManager = new SelectionManager(this);
+ connect(m_selectionManager, SIGNAL(selectionChanged()),
this, SLOT(requestActivation()));
connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
- selManager, SLOT(reset()));
+ m_selectionManager, SLOT(reset()));
}
} else {
connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
m_categoryDrawer = 0;
}
-QRect DolphinIconsView::visualRect(const QModelIndex& index) const
+void DolphinIconsView::scrollTo(const QModelIndex& index, ScrollHint hint)
{
- const bool leftToRightFlow = (flow() == QListView::LeftToRight);
-
- QRect itemRect = KCategorizedView::visualRect(index);
-
- const int maxWidth = m_itemSize.width();
- const int maxHeight = m_itemSize.height();
-
- if (itemRect.width() > maxWidth) {
- // assure that the maximum item width is not exceeded
- if (leftToRightFlow) {
- const int left = itemRect.left() + (itemRect.width() - maxWidth) / 2;
- itemRect.setLeft(left);
- }
- itemRect.setWidth(maxWidth);
+ // Enable the QListView implementation of scrollTo() only if it has been
+ // triggered by a key press. Otherwise QAbstractItemView wants to scroll to the current
+ // index each time the layout has been changed. This becomes an issue when
+ // previews are loaded and the scrollbar is used: the scrollbar will always
+ // be reset to 0 on each new preview.
+ if (m_enableScrollTo || (state() != QAbstractItemView::NoState)) {
+ KCategorizedView::scrollTo(index, hint);
+ m_enableScrollTo = false;
}
+}
- if (itemRect.height() > maxHeight) {
- // assure that the maximum item height is not exceeded
- if (!leftToRightFlow) {
- const int top = itemRect.top() + (itemRect.height() - maxHeight) / 2;
- itemRect.setTop(top);
- }
- itemRect.setHeight(maxHeight);
- }
+void DolphinIconsView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+ KCategorizedView::dataChanged(topLeft, bottomRight);
KCategorizedSortFilterProxyModel* proxyModel = dynamic_cast<KCategorizedSortFilterProxyModel*>(model());
- if (leftToRightFlow && !proxyModel->isCategorizedModel()) {
- // TODO: QListView::visualRect() calculates a wrong position of the items under
- // certain circumstances (e. g. if the text is too long). This issue is bypassed
- // by the following code (I'll try create a patch for Qt but as Dolphin must also work with
- // Qt 4.3.0 this workaround must get applied at least for KDE 4.0).
- const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const int margin = settings->gridSpacing();
- const int gridWidth = gridSize().width();
- const int gridIndex = (itemRect.left() - margin + 1) / gridWidth;
- const int centerInc = (maxWidth - itemRect.width()) / 2;
- itemRect.moveLeft((gridIndex * gridWidth) + margin + centerInc);
+ if ((flow() == QListView::LeftToRight) && !proxyModel->isCategorizedModel()) {
+ // bypass a QListView issue that items are not layout correctly if the decoration size of
+ // an index changes
+ scheduleDelayedItemsLayout();
}
-
- return itemRect;
}
QStyleOptionViewItem DolphinIconsView::viewOptions() const
void DolphinIconsView::mousePressEvent(QMouseEvent* event)
{
m_controller->requestActivation();
- if (!indexAt(event->pos()).isValid()) {
+ const QModelIndex index = indexAt(event->pos());
+ if (index.isValid() && (event->button() == Qt::LeftButton)) {
+ // TODO: It should not be necessary to manually set the dragging state, but I could
+ // not reproduce this issue with a Qt-only example yet to find the root cause.
+ // Issue description: start Dolphin, split the view and drag an item from the
+ // inactive view to the active view by a very fast mouse movement. Result:
+ // the item gets selected instead of being dragged...
+ setState(QAbstractItemView::DraggingState);
+ }
+
+ if (!index.isValid()) {
+ if (QApplication::mouseButtons() & Qt::MidButton) {
+ m_controller->replaceUrlByClipboard();
+ }
const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
clearSelection();
{
KCategorizedView::keyPressEvent(event);
m_controller->handleKeyPressEvent(event);
+ m_enableScrollTo = true; // see DolphinIconsView::scrollTo()
}
void DolphinIconsView::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) {
event->ignore();
}
}
+void DolphinIconsView::showEvent(QShowEvent* event)
+{
+ KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate());
+ delegate->setMaximumSize(m_itemSize);
+
+ KCategorizedView::showEvent(event);
+}
+
+void DolphinIconsView::leaveEvent(QEvent* event)
+{
+ KCategorizedView::leaveEvent(event);
+ // 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();
+}
+
void DolphinIconsView::slotShowPreviewChanged()
{
const DolphinView* view = m_controller->dolphinView();
} else {
newIconSize = increasedIconSize(oldIconSize);
settings->setIconSize(newIconSize);
- if (settings->previewSize() < newIconSize) {
- // assure that the preview size is always >= the icon size
- settings->setPreviewSize(newIconSize);
- }
}
// increase also the grid size
if (showPreview) {
const int previewSize = decreasedIconSize(settings->previewSize());
settings->setPreviewSize(previewSize);
- if (settings->iconSize() > previewSize) {
- // assure that the icon size is always <= the preview size
- newIconSize = previewSize;
- settings->setIconSize(newIconSize);
- }
} else {
newIconSize = decreasedIconSize(settings->iconSize());
settings->setIconSize(newIconSize);
if (showPreview) {
const int previewSize = settings->previewSize();
const int diff = previewSize - size;
- Q_ASSERT(diff >= 0);
itemWidth += diff;
itemHeight += diff;
m_controller->setZoomInPossible(isZoomInPossible());
m_controller->setZoomOutPossible(isZoomOutPossible());
+
+ KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate());
+ if (delegate != 0) {
+ delegate->setMaximumSize(m_itemSize);
+ }
+
+ if (m_selectionManager != 0) {
+ m_selectionManager->reset();
+ }
}
int DolphinIconsView::additionalInfoCount() const
projects / dolphin.git / blobdiff