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Diffstat (limited to 'src/dolphiniconsview.cpp')
| -rw-r--r-- | src/dolphiniconsview.cpp | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp deleted file mode 100644 index 636bdd66c..000000000 --- a/src/dolphiniconsview.cpp +++ /dev/null @@ -1,532 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2006-2009 by Peter Penz <[email protected]> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - ***************************************************************************/ - -#include "dolphiniconsview.h" - -#include "dolphincategorydrawer.h" -#include "dolphinviewcontroller.h" -#include "settings/dolphinsettings.h" -#include "dolphinsortfilterproxymodel.h" -#include "dolphin_iconsmodesettings.h" -#include "dolphin_generalsettings.h" -#include "draganddrophelper.h" -#include "selectionmanager.h" -#include "viewextensionsfactory.h" -#include "viewmodecontroller.h" -#include "zoomlevelinfo.h" - -#include <kcategorizedsortfilterproxymodel.h> -#include <kdialog.h> -#include <kfileitemdelegate.h> - -#include <QAbstractProxyModel> -#include <QApplication> -#include <QScrollBar> - -DolphinIconsView::DolphinIconsView(QWidget* parent, - DolphinViewController* dolphinViewController, - const ViewModeController* viewModeController, - DolphinSortFilterProxyModel* proxyModel) : - KCategorizedView(parent), - m_dolphinViewController(dolphinViewController), - m_viewModeController(viewModeController), - m_categoryDrawer(new DolphinCategoryDrawer(this)), - m_extensionsFactory(0), - m_font(), - m_decorationSize(), - m_decorationPosition(QStyleOptionViewItem::Top), - m_displayAlignment(Qt::AlignHCenter), - m_itemSize(), - m_dropRect() -{ - Q_ASSERT(dolphinViewController != 0); - Q_ASSERT(viewModeController != 0); - - setModel(proxyModel); - setLayoutDirection(Qt::LeftToRight); - setViewMode(QListView::IconMode); - setResizeMode(QListView::Adjust); - setMovement(QListView::Static); - setDragEnabled(true); - setEditTriggers(QAbstractItemView::NoEditTriggers); - viewport()->setAcceptDrops(true); - - setMouseTracking(true); - - connect(this, SIGNAL(clicked(const QModelIndex&)), - dolphinViewController, SLOT(requestTab(const QModelIndex&))); - if (KGlobalSettings::singleClick()) { - connect(this, SIGNAL(clicked(const QModelIndex&)), - dolphinViewController, SLOT(triggerItem(const QModelIndex&))); - } else { - connect(this, SIGNAL(doubleClicked(const QModelIndex&)), - dolphinViewController, SLOT(triggerItem(const QModelIndex&))); - } - - connect(this, SIGNAL(entered(const QModelIndex&)), - dolphinViewController, SLOT(emitItemEntered(const QModelIndex&))); - connect(this, SIGNAL(viewportEntered()), - dolphinViewController, SLOT(emitViewportEntered())); - connect(viewModeController, SIGNAL(zoomLevelChanged(int)), - this, SLOT(setZoomLevel(int))); - - const DolphinView* view = dolphinViewController->view(); - connect(view, SIGNAL(showPreviewChanged()), - this, SLOT(slotShowPreviewChanged())); - connect(view, SIGNAL(additionalInfoChanged()), - this, SLOT(slotAdditionalInfoChanged())); - - // apply the icons mode settings to the widget - const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); - Q_ASSERT(settings != 0); - - if (settings->useSystemFont()) { - m_font = KGlobalSettings::generalFont(); - } else { - m_font = QFont(settings->fontFamily(), - qRound(settings->fontSize()), - settings->fontWeight(), - settings->italicFont()); - m_font.setPointSizeF(settings->fontSize()); - } - - setWordWrap(settings->numberOfTextlines() > 1); - - if (settings->arrangement() == QListView::TopToBottom) { - setFlow(QListView::LeftToRight); - m_decorationPosition = QStyleOptionViewItem::Top; - m_displayAlignment = Qt::AlignHCenter; - } else { - setFlow(QListView::TopToBottom); - m_decorationPosition = QStyleOptionViewItem::Left; - m_displayAlignment = Qt::AlignLeft | Qt::AlignVCenter; - } - - connect(m_categoryDrawer, SIGNAL(actionRequested(int,QModelIndex)), this, SLOT(categoryDrawerActionRequested(int,QModelIndex))); - setCategoryDrawer(m_categoryDrawer); - - setFocus(); - - connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)), - this, SLOT(slotGlobalSettingsChanged(int))); - - updateGridSize(view->showPreview(), 0); - m_extensionsFactory = new ViewExtensionsFactory(this, dolphinViewController, viewModeController); -} - -DolphinIconsView::~DolphinIconsView() -{ -} - -void DolphinIconsView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight) -{ - KCategorizedView::dataChanged(topLeft, bottomRight); - - KCategorizedSortFilterProxyModel* proxyModel = dynamic_cast<KCategorizedSortFilterProxyModel*>(model()); - if (!proxyModel->isCategorizedModel()) { - // bypass a QListView issue that items are not layout correctly if the decoration size of - // an index changes - scheduleDelayedItemsLayout(); - } -} - -QStyleOptionViewItem DolphinIconsView::viewOptions() const -{ - QStyleOptionViewItem viewOptions = KCategorizedView::viewOptions(); - viewOptions.font = m_font; - viewOptions.fontMetrics = QFontMetrics(m_font); - viewOptions.decorationPosition = m_decorationPosition; - viewOptions.decorationSize = m_decorationSize; - viewOptions.displayAlignment = m_displayAlignment; - viewOptions.showDecorationSelected = true; - return viewOptions; -} - -void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event) -{ - KCategorizedView::contextMenuEvent(event); - m_dolphinViewController->triggerContextMenuRequest(event->pos()); -} - -void DolphinIconsView::mousePressEvent(QMouseEvent* event) -{ - m_dolphinViewController->requestActivation(); - 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() && (QApplication::mouseButtons() & Qt::MidButton)) { - m_dolphinViewController->replaceUrlByClipboard(); - } - - KCategorizedView::mousePressEvent(event); -} - -void DolphinIconsView::startDrag(Qt::DropActions supportedActions) -{ - DragAndDropHelper::instance().startDrag(this, supportedActions, m_dolphinViewController); -} - -void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event) -{ - if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) { - event->acceptProposedAction(); - } -} - -void DolphinIconsView::dragLeaveEvent(QDragLeaveEvent* event) -{ - KCategorizedView::dragLeaveEvent(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); - - m_dropRect.setSize(QSize()); // set as invalid - if (index.isValid()) { - const KFileItem item = m_dolphinViewController->itemForIndex(index); - if (!item.isNull() && item.isDir()) { - m_dropRect = visualRect(index); - } else { - m_dropRect.setSize(QSize()); // set as invalid - } - } - if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) { - // accept url drops, independently from the destination item - event->acceptProposedAction(); - } - - setDirtyRegion(m_dropRect); -} - -void DolphinIconsView::dropEvent(QDropEvent* event) -{ - const QModelIndex index = indexAt(event->pos()); - const KFileItem item = m_dolphinViewController->itemForIndex(index); - m_dolphinViewController->indicateDroppedUrls(item, m_viewModeController->url(), event); - // don't call KCategorizedView::dropEvent(event), as it moves - // the items which is not wanted -} - -QModelIndex DolphinIconsView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) -{ - const QModelIndex oldCurrent = currentIndex(); - - QModelIndex newCurrent = KCategorizedView::moveCursor(cursorAction, modifiers); - if (newCurrent != oldCurrent) { - 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 = 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_dolphinViewController->handleKeyPressEvent(event); -} - -void DolphinIconsView::wheelEvent(QWheelEvent* event) -{ - horizontalScrollBar()->setSingleStep(m_itemSize.width() / 5); - verticalScrollBar()->setSingleStep(m_itemSize.height() / 5); - - KCategorizedView::wheelEvent(event); - // if the icons are aligned left to right, the vertical wheel event should - // be applied to the horizontal scrollbar - const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); - const bool scrollHorizontal = (event->orientation() == Qt::Vertical) && - (settings->arrangement() == QListView::LeftToRight); - if (scrollHorizontal) { - QWheelEvent horizEvent(event->pos(), - event->delta(), - event->buttons(), - event->modifiers(), - Qt::Horizontal); - QApplication::sendEvent(horizontalScrollBar(), &horizEvent); - } -} - -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_dolphinViewController->emitViewportEntered(); -} - -void DolphinIconsView::currentChanged(const QModelIndex& current, const QModelIndex& previous) -{ - KCategorizedView::currentChanged(current, previous); - m_extensionsFactory->handleCurrentIndexChange(current, previous); -} - -void DolphinIconsView::resizeEvent(QResizeEvent* event) -{ - KCategorizedView::resizeEvent(event); - const DolphinView* view = m_dolphinViewController->view(); - updateGridSize(view->showPreview(), view->additionalInfo().count()); -} - -void DolphinIconsView::slotShowPreviewChanged() -{ - const DolphinView* view = m_dolphinViewController->view(); - updateGridSize(view->showPreview(), additionalInfoCount()); -} - -void DolphinIconsView::slotAdditionalInfoChanged() -{ - const DolphinView* view = m_dolphinViewController->view(); - const bool showPreview = view->showPreview(); - updateGridSize(showPreview, view->additionalInfo().count()); -} - -void DolphinIconsView::setZoomLevel(int level) -{ - IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); - - const int oldIconSize = settings->iconSize(); - int newIconSize = oldIconSize; - - const bool showPreview = m_dolphinViewController->view()->showPreview(); - if (showPreview) { - const int previewSize = ZoomLevelInfo::iconSizeForZoomLevel(level); - settings->setPreviewSize(previewSize); - } else { - newIconSize = ZoomLevelInfo::iconSizeForZoomLevel(level); - settings->setIconSize(newIconSize); - } - - // increase also the grid size - const int diff = newIconSize - oldIconSize; - settings->setItemWidth(settings->itemWidth() + diff); - settings->setItemHeight(settings->itemHeight() + diff); - - updateGridSize(showPreview, additionalInfoCount()); -} - -void DolphinIconsView::requestActivation() -{ - m_dolphinViewController->requestActivation(); -} - -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_dolphinViewController, SLOT(triggerItem(QModelIndex))); - disconnect(this, SIGNAL(doubleClicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex))); - if (KGlobalSettings::singleClick()) { - connect(this, SIGNAL(clicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex))); - } else { - connect(this, SIGNAL(doubleClicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex))); - } -} - -void DolphinIconsView::categoryDrawerActionRequested(int action, const QModelIndex &index) -{ - const QSortFilterProxyModel *model = dynamic_cast<const QSortFilterProxyModel*>(index.model()); - const QModelIndex topLeft = model->index(index.row(), modelColumn()); - QModelIndex bottomRight = topLeft; - const QString category = model->data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString(); - QModelIndex current = topLeft; - while (true) { - current = model->index(current.row() + 1, modelColumn()); - const QString curCategory = model->data(model->index(current.row(), index.column()), KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString(); - if (!current.isValid() || category != curCategory) { - break; - } - bottomRight = current; - } - switch (action) { - case DolphinCategoryDrawer::SelectAll: - selectionModel()->select(QItemSelection(topLeft, bottomRight), QItemSelectionModel::Select); - break; - case DolphinCategoryDrawer::UnselectAll: - selectionModel()->select(QItemSelection(topLeft, bottomRight), QItemSelectionModel::Deselect); - break; - default: - break; - } -} - -void DolphinIconsView::updateGridSize(bool showPreview, int additionalInfoCount) -{ - const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings(); - Q_ASSERT(settings != 0); - - int itemWidth = settings->itemWidth(); - int itemHeight = settings->itemHeight(); - int size = settings->iconSize(); - - if (showPreview) { - const int previewSize = settings->previewSize(); - const int diff = previewSize - size; - itemWidth += diff; - itemHeight += diff; - - size = previewSize; - } - - Q_ASSERT(additionalInfoCount >= 0); - itemHeight += additionalInfoCount * QFontMetrics(m_font).height(); - - // 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); - setGridSizeOwn(QSize(itemWidth + spacing * 2, itemHeight + spacing)); - - KFileItemDelegate* delegate = dynamic_cast<KFileItemDelegate*>(itemDelegate()); - if (delegate != 0) { - delegate->setMaximumSize(m_itemSize); - } -} - -int DolphinIconsView::additionalInfoCount() const -{ - const DolphinView* view = m_dolphinViewController->view(); - return view->additionalInfo().count(); -} - -#include "dolphiniconsview.moc" |