#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(),
m_dropRect()
{
Q_ASSERT(controller != 0);
+ setLayoutDirection(Qt::LeftToRight);
setViewMode(QListView::IconMode);
setResizeMode(QListView::Adjust);
setSpacing(KDialog::spacingHint());
setMovement(QListView::Static);
setDragEnabled(true);
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
viewport()->setAcceptDrops(true);
setMouseTracking(true);
if (KGlobalSettings::singleClick()) {
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()),
- this, SLOT(requestActivation()));
- connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
- selManager, SLOT(reset()));
- }
} else {
connect(this, SIGNAL(doubleClicked(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&)),
controller, SLOT(emitItemEntered(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)));
const DolphinView* view = controller->dolphinView();
connect(view, SIGNAL(showPreviewChanged()),
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();
updateGridSize(showPreview, view->additionalInfo().count());
}
-void DolphinIconsView::zoomIn()
+void DolphinIconsView::setZoomLevel(int level)
{
- if (isZoomInPossible()) {
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
-
- const int oldIconSize = settings->iconSize();
- int newIconSize = oldIconSize;
-
- const bool showPreview = m_controller->dolphinView()->showPreview();
- if (showPreview) {
- const int previewSize = increasedIconSize(settings->previewSize());
- settings->setPreviewSize(previewSize);
- } else {
- newIconSize = increasedIconSize(oldIconSize);
- settings->setIconSize(newIconSize);
- }
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- // increase also the grid size
- const int diff = newIconSize - oldIconSize;
- settings->setItemWidth(settings->itemWidth() + diff);
- settings->setItemHeight(settings->itemHeight() + diff);
+ const int oldIconSize = settings->iconSize();
+ int newIconSize = oldIconSize;
- updateGridSize(showPreview, additionalInfoCount());
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ if (showPreview) {
+ const int previewSize = DolphinController::iconSizeForZoomLevel(level);
+ settings->setPreviewSize(previewSize);
+ } else {
+ newIconSize = DolphinController::iconSizeForZoomLevel(level);
+ settings->setIconSize(newIconSize);
}
-}
-
-void DolphinIconsView::zoomOut()
-{
- if (isZoomOutPossible()) {
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
-
- const int oldIconSize = settings->iconSize();
- int newIconSize = oldIconSize;
-
- const bool showPreview = m_controller->dolphinView()->showPreview();
- if (showPreview) {
- const int previewSize = decreasedIconSize(settings->previewSize());
- settings->setPreviewSize(previewSize);
- } else {
- newIconSize = decreasedIconSize(settings->iconSize());
- settings->setIconSize(newIconSize);
- }
- // decrease also the grid size
- const int diff = oldIconSize - newIconSize;
- settings->setItemWidth(settings->itemWidth() - diff);
- settings->setItemHeight(settings->itemHeight() - diff);
+ // increase also the grid size
+ const int diff = newIconSize - oldIconSize;
+ settings->setItemWidth(settings->itemWidth() + diff);
+ settings->setItemHeight(settings->itemHeight() + diff);
- updateGridSize(showPreview, additionalInfoCount());
- }
+ updateGridSize(showPreview, additionalInfoCount());
}
void DolphinIconsView::requestActivation()
}
}
-bool DolphinIconsView::isZoomInPossible() const
-{
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const bool showPreview = m_controller->dolphinView()->showPreview();
- const int size = showPreview ? settings->previewSize() : settings->iconSize();
- return size < KIconLoader::SizeEnormous;
-}
-
-bool DolphinIconsView::isZoomOutPossible() const
-{
- IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
- const bool showPreview = m_controller->dolphinView()->showPreview();
- const int size = showPreview ? settings->previewSize() : settings->iconSize();
- return size > KIconLoader::SizeSmall;
-}
-
-int DolphinIconsView::increasedIconSize(int size) const
-{
- int incSize = 0;
- switch (size) {
- case KIconLoader::SizeSmall: incSize = KIconLoader::SizeSmallMedium; break;
- case KIconLoader::SizeSmallMedium: incSize = KIconLoader::SizeMedium; break;
- case KIconLoader::SizeMedium: incSize = KIconLoader::SizeLarge; break;
- case KIconLoader::SizeLarge: incSize = KIconLoader::SizeHuge; break;
- case KIconLoader::SizeHuge: incSize = KIconLoader::SizeEnormous; break;
- default: Q_ASSERT(false); break;
- }
- return incSize;
-}
-
-int DolphinIconsView::decreasedIconSize(int size) const
-{
- int decSize = 0;
- switch (size) {
- case KIconLoader::SizeSmallMedium: decSize = KIconLoader::SizeSmall; break;
- case KIconLoader::SizeMedium: decSize = KIconLoader::SizeSmallMedium; break;
- case KIconLoader::SizeLarge: decSize = KIconLoader::SizeMedium; break;
- case KIconLoader::SizeHuge: decSize = KIconLoader::SizeLarge; break;
- case KIconLoader::SizeEnormous: decSize = KIconLoader::SizeHuge; break;
- default: Q_ASSERT(false); break;
- }
- return decSize;
-}
-
void DolphinIconsView::updateGridSize(bool showPreview, int additionalInfoCount)
{
const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
const int spacing = settings->gridSpacing();
setGridSize(QSize(itemWidth + spacing * 2, itemHeight + spacing));
- 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