X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/148282e2d856b47ceb191eeef4c834118c8cdffd..dcf397ae512850805dbe37fc03ece82be2660bd0:/src/dolphiniconsview.cpp diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp index b95de351a..c48497e82 100644 --- a/src/dolphiniconsview.cpp +++ b/src/dolphiniconsview.cpp @@ -21,7 +21,7 @@ #include "dolphincategorydrawer.h" #include "dolphincontroller.h" -#include "dolphinsettings.h" +#include "settings/dolphinsettings.h" #include "dolphinviewautoscroller.h" #include "dolphin_iconsmodesettings.h" #include "dolphin_generalsettings.h" @@ -40,9 +40,9 @@ 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(), @@ -55,14 +55,13 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle 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); - new DolphinViewAutoScroller(this); + m_autoScroller = new DolphinViewAutoScroller(this); connect(this, SIGNAL(clicked(const QModelIndex&)), controller, SLOT(requestTab(const QModelIndex&))); @@ -126,8 +125,8 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle setFocus(); - connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()), - this, SLOT(updateFont())); + connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)), + this, SLOT(slotGlobalSettingsChanged(int))); } DolphinIconsView::~DolphinIconsView() @@ -136,19 +135,6 @@ 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); @@ -206,9 +192,6 @@ void DolphinIconsView::mousePressEvent(QMouseEvent* event) void DolphinIconsView::startDrag(Qt::DropActions supportedActions) { - // TODO: invoking KCategorizedView::startDrag() should not be necessary, we'll - // fix this in KDE 4.1 - KCategorizedView::startDrag(supportedActions); DragAndDropHelper::instance().startDrag(this, supportedActions, m_controller); } @@ -221,14 +204,12 @@ void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event) void DolphinIconsView::dragLeaveEvent(QDragLeaveEvent* event) { - KCategorizedView::dragLeaveEvent(event); + Q_UNUSED(event); setDirtyRegion(m_dropRect); } void DolphinIconsView::dragMoveEvent(QDragMoveEvent* event) { - KCategorizedView::dragMoveEvent(event); - // TODO: remove this code when the issue #160611 is solved in Qt 4.4 const QModelIndex index = indexAt(event->pos()); setDirtyRegion(m_dropRect); @@ -255,15 +236,85 @@ void DolphinIconsView::dropEvent(QDropEvent* event) const QModelIndex index = indexAt(event->pos()); const KFileItem item = m_controller->itemForIndex(index); m_controller->indicateDroppedUrls(item, m_controller->url(), event); +} + +QModelIndex DolphinIconsView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) +{ + const QModelIndex oldCurrent = currentIndex(); + + QModelIndex newCurrent = KCategorizedView::moveCursor(cursorAction, modifiers); + if (newCurrent != oldCurrent) { + return newCurrent; + } - KCategorizedView::dropEvent(event); + // 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 = KCategorizedView::moveCursor(MoveLeft, modifiers); + selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate); + newCurrent = KCategorizedView::moveCursor(MovePageDown, modifiers); + break; + + case MoveDown: + if (newCurrent.row() == (model()->rowCount() - 1)) { + return newCurrent; + } + newCurrent = KCategorizedView::moveCursor(MovePageUp, modifiers); + selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate); + newCurrent = KCategorizedView::moveCursor(MoveRight, modifiers); + break; + + default: + break; + } + } else { + QModelIndex current = oldCurrent; + switch (cursorAction) { + case MoveLeft: + if (newCurrent.row() == 0) { + return newCurrent; + } + newCurrent = KCategorizedView::moveCursor(MoveUp, modifiers); + do { + selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate); + current = newCurrent; + newCurrent = KCategorizedView::moveCursor(MoveRight, modifiers); + } while (newCurrent != current); + break; + + case MoveRight: + if (newCurrent.row() == (model()->rowCount() - 1)) { + return newCurrent; + } + do { + selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate); + current = newCurrent; + newCurrent = KCategorizedView::moveCursor(MoveLeft, modifiers); + } while (newCurrent != current); + newCurrent = KCategorizedView::moveCursor(MoveDown, modifiers); + break; + + default: + break; + } + } + + // Revert all changes of the current item to make sure that item selection works correctly + selectionModel()->setCurrentIndex(oldCurrent, QItemSelectionModel::NoUpdate); + 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) @@ -277,10 +328,10 @@ 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 @@ -314,6 +365,19 @@ void DolphinIconsView::leaveEvent(QEvent* event) 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(); @@ -356,14 +420,23 @@ void DolphinIconsView::requestActivation() 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) @@ -387,21 +460,47 @@ 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)); + setGridSizeOwn(QSize(itemWidth + spacing * 2, itemHeight + spacing)); KFileItemDelegate* delegate = dynamic_cast(itemDelegate()); if (delegate != 0) {