#include "dolphincategorydrawer.h"
#include "dolphincontroller.h"
-#include "dolphinsettings.h"
+#include "settings/dolphinsettings.h"
+#include "dolphinviewautoscroller.h"
#include "dolphin_iconsmodesettings.h"
#include "dolphin_generalsettings.h"
#include "draganddrophelper.h"
DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
KCategorizedView(parent),
- m_enableScrollTo(false),
m_controller(controller),
m_selectionManager(0),
+ m_autoScroller(0),
m_categoryDrawer(0),
m_font(),
m_decorationSize(),
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);
+ m_autoScroller = new DolphinViewAutoScroller(this);
- // 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
- // RETURN-key in keyPressEvent().
+ connect(this, SIGNAL(clicked(const QModelIndex&)),
+ controller, SLOT(requestTab(const QModelIndex&)));
if (KGlobalSettings::singleClick()) {
connect(this, SIGNAL(clicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
setFocus();
- connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
- this, SLOT(updateFont()));
+ connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)),
+ this, SLOT(slotGlobalSettingsChanged(int)));
}
DolphinIconsView::~DolphinIconsView()
m_categoryDrawer = 0;
}
-void DolphinIconsView::scrollTo(const QModelIndex& index, ScrollHint hint)
-{
- // 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;
- }
-}
-
void DolphinIconsView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
{
KCategorizedView::dataChanged(topLeft, bottomRight);
KCategorizedSortFilterProxyModel* proxyModel = dynamic_cast<KCategorizedSortFilterProxyModel*>(model());
- if ((flow() == QListView::LeftToRight) && !proxyModel->isCategorizedModel()) {
+ if (!proxyModel->isCategorizedModel()) {
// bypass a QListView issue that items are not layout correctly if the decoration size of
// an index changes
scheduleDelayedItemsLayout();
// TODO: invoking KCategorizedView::startDrag() should not be necessary, we'll
// fix this in KDE 4.1
KCategorizedView::startDrag(supportedActions);
- DragAndDropHelper::startDrag(this, supportedActions);
+ DragAndDropHelper::instance().startDrag(this, supportedActions, m_controller);
}
void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
{
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
event->acceptProposedAction();
}
}
m_dropRect.setSize(QSize()); // set as invalid
}
}
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
// accept url drops, independently from the destination item
event->acceptProposedAction();
}
KCategorizedView::dropEvent(event);
}
+QModelIndex DolphinIconsView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
+{
+ QModelIndex current = currentIndex();
+
+ QModelIndex newCurrent = QListView::moveCursor(cursorAction, modifiers);
+ if (newCurrent != current) {
+ return newCurrent;
+ }
+
+ // The cursor has not been moved by the base implementation. Provide a
+ // wrap behavior, so that the cursor will go to the next item when reaching
+ // the border.
+ const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+ if (settings->arrangement() == QListView::LeftToRight) {
+ switch (cursorAction) {
+ case MoveUp:
+ if (newCurrent.row() == 0) {
+ return newCurrent;
+ }
+ newCurrent = QListView::moveCursor(MoveLeft, modifiers);
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ newCurrent = QListView::moveCursor(MovePageDown, modifiers);
+ break;
+
+ case MoveDown:
+ if (newCurrent.row() == (model()->rowCount() - 1)) {
+ return newCurrent;
+ }
+ newCurrent = QListView::moveCursor(MovePageUp, modifiers);
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::Clear);
+ newCurrent = QListView::moveCursor(MoveRight, modifiers);
+ break;
+
+ default:
+ break;
+ }
+ } else {
+ switch (cursorAction) {
+ case MoveLeft:
+ if (newCurrent.row() == 0) {
+ return newCurrent;
+ }
+ newCurrent = QListView::moveCursor(MoveUp, modifiers);
+ do {
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ current = newCurrent;
+ newCurrent = QListView::moveCursor(MoveRight, modifiers);
+ } while (newCurrent != current);
+
+ if (!(modifiers & Qt::ControlModifier)) {
+ // Ctrl is not pressed -> selection is updated
+ if (!(modifiers & Qt::ShiftModifier)) {
+ // Shift is not pressed -> previous selection is lost
+ selectionModel()->clearSelection();
+ }
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::Select);
+ }
+ break;
+
+ case MoveRight:
+ if (newCurrent.row() == (model()->rowCount() - 1)) {
+ return newCurrent;
+ }
+ do {
+ selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
+ current = newCurrent;
+ newCurrent = QListView::moveCursor(MoveLeft, modifiers);
+ } while (newCurrent != current);
+ newCurrent = QListView::moveCursor(MoveDown, modifiers);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return newCurrent;
+}
+
void DolphinIconsView::keyPressEvent(QKeyEvent* event)
{
KCategorizedView::keyPressEvent(event);
m_controller->handleKeyPressEvent(event);
- m_enableScrollTo = true; // see DolphinIconsView::scrollTo()
}
void DolphinIconsView::wheelEvent(QWheelEvent* event)
event->ignore();
return;
}
+
+ horizontalScrollBar()->setSingleStep(m_itemSize.width() / 10);
+ verticalScrollBar()->setSingleStep(m_itemSize.height() / 10);
+
KCategorizedView::wheelEvent(event);
// if the icons are aligned left to right, the vertical wheel event should
// be applied to the horizontal scrollbar
m_controller->emitViewportEntered();
}
+void DolphinIconsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+ KCategorizedView::currentChanged(current, previous);
+ m_autoScroller->handleCurrentIndexChange(current, previous);
+}
+
+void DolphinIconsView::resizeEvent(QResizeEvent* event)
+{
+ KCategorizedView::resizeEvent(event);
+ const DolphinView* view = m_controller->dolphinView();
+ updateGridSize(view->showPreview(), view->additionalInfo().count());
+}
+
void DolphinIconsView::slotShowPreviewChanged()
{
const DolphinView* view = m_controller->dolphinView();
m_controller->requestActivation();
}
-void DolphinIconsView::updateFont()
+void DolphinIconsView::slotGlobalSettingsChanged(int category)
{
+ Q_UNUSED(category);
+
const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
Q_ASSERT(settings != 0);
-
if (settings->useSystemFont()) {
m_font = KGlobalSettings::generalFont();
}
+
+ disconnect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ disconnect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ if (KGlobalSettings::singleClick()) {
+ connect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ } else {
+ connect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ }
}
void DolphinIconsView::updateGridSize(bool showPreview, int additionalInfoCount)
Q_ASSERT(additionalInfoCount >= 0);
itemHeight += additionalInfoCount * m_font.pointSize() * 2;
+ // Optimize the item size of the grid in a way to prevent large gaps on the
+ // right border (= row arrangement) or the bottom border (= column arrangement).
+ // There is no public API in QListView to find out the used width of the viewport
+ // for the layout. The following calculation of 'contentWidth'/'contentHeight'
+ // is based on QListViewPrivate::prepareItemsLayout() (Copyright (C) 2009 Nokia Corporation).
+ int frameAroundContents = 0;
+ if (style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents)) {
+ frameAroundContents = style()->pixelMetric(QStyle::PM_DefaultFrameWidth) * 2;
+ }
+ const int spacing = settings->gridSpacing();
if (settings->arrangement() == QListView::TopToBottom) {
+ const int contentWidth = viewport()->width() - 1
+ - frameAroundContents
+ - style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, horizontalScrollBar());
+ const int gridWidth = itemWidth + spacing * 2;
+ const int horizItemCount = contentWidth / gridWidth;
+ if (horizItemCount > 0) {
+ itemWidth += (contentWidth - horizItemCount * gridWidth) / horizItemCount;
+ }
+
// The decoration width indirectly defines the maximum
// width for the text wrapping. To use the maximum item width
// for text wrapping, it is used as decoration width.
m_decorationSize = QSize(itemWidth, size);
setIconSize(QSize(itemWidth, size));
} else {
+ const int contentHeight = viewport()->height() - 1
+ - frameAroundContents
+ - style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, verticalScrollBar());
+ const int gridHeight = itemHeight + spacing;
+ const int vertItemCount = contentHeight / gridHeight;
+ if (vertItemCount > 0) {
+ itemHeight += (contentHeight - vertItemCount * gridHeight) / vertItemCount;
+ }
+
m_decorationSize = QSize(size, size);
setIconSize(QSize(size, size));
}
m_itemSize = QSize(itemWidth, itemHeight);
-
- const int spacing = settings->gridSpacing();
setGridSize(QSize(itemWidth + spacing * 2, itemHeight + spacing));
KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate());
projects / dolphin.git / blobdiff