mirror of
https://invent.kde.org/system/dolphin
synced 2024-09-20 00:41:23 +00:00
fa4680cb38
RevisionControlObserver is implemented in a way that no recognizable slowdown is given for directories that are not under revision control. CCBUG: 192158 svn path=/trunk/KDE/kdebase/apps/; revision=995351
564 lines
18 KiB
C++
564 lines
18 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#include "dolphincolumnwidget.h"
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#include "dolphinmodel.h"
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#include "dolphincolumnview.h"
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#include "dolphincontroller.h"
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#include "dolphindirlister.h"
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#include "dolphinsortfilterproxymodel.h"
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#include "settings/dolphinsettings.h"
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#include "dolphinviewautoscroller.h"
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#include "dolphin_columnmodesettings.h"
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#include "dolphin_generalsettings.h"
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#include "draganddrophelper.h"
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#include "folderexpander.h"
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#include "revisioncontrolobserver.h"
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#include "selectionmanager.h"
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#include "tooltips/tooltipmanager.h"
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#include <kcolorscheme.h>
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#include <kdirlister.h>
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#include <kfileitem.h>
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#include <kfilepreviewgenerator.h>
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#include <kio/previewjob.h>
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#include <kiconeffect.h>
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#include <kjob.h>
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#include <konqmimedata.h>
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#include <QApplication>
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#include <QClipboard>
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#include <QPainter>
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#include <QPoint>
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#include <QScrollBar>
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DolphinColumnWidget::DolphinColumnWidget(QWidget* parent,
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DolphinColumnView* columnView,
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const KUrl& url) :
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QListView(parent),
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m_active(true),
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m_view(columnView),
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m_selectionManager(0),
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m_autoScroller(0),
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m_url(url),
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m_childUrl(),
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m_font(),
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m_decorationSize(),
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m_dirLister(0),
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m_dolphinModel(0),
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m_proxyModel(0),
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m_previewGenerator(0),
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m_toolTipManager(0),
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m_dropRect()
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{
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setMouseTracking(true);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
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setSelectionBehavior(SelectItems);
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setSelectionMode(QAbstractItemView::ExtendedSelection);
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setDragDropMode(QAbstractItemView::DragDrop);
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setDropIndicatorShown(false);
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setSelectionRectVisible(true);
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setEditTriggers(QAbstractItemView::NoEditTriggers);
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setVerticalScrollMode(QListView::ScrollPerPixel);
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setHorizontalScrollMode(QListView::ScrollPerPixel);
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m_autoScroller = new DolphinViewAutoScroller(this);
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// apply the column mode settings to the widget
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const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
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Q_ASSERT(settings != 0);
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if (settings->useSystemFont()) {
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m_font = KGlobalSettings::generalFont();
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} else {
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m_font = QFont(settings->fontFamily(),
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settings->fontSize(),
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settings->fontWeight(),
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settings->italicFont());
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}
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const int iconSize = settings->iconSize();
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setDecorationSize(QSize(iconSize, iconSize));
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KFileItemDelegate* delegate = new KFileItemDelegate(this);
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delegate->setShowToolTipWhenElided(false);
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setItemDelegate(delegate);
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activate();
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connect(this, SIGNAL(viewportEntered()),
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m_view->m_controller, SLOT(emitViewportEntered()));
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connect(this, SIGNAL(entered(const QModelIndex&)),
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this, SLOT(slotEntered(const QModelIndex&)));
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m_dirLister = new DolphinDirLister();
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m_dirLister->setAutoUpdate(true);
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m_dirLister->setMainWindow(window());
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m_dirLister->setDelayedMimeTypes(true);
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const bool showHiddenFiles = m_view->m_controller->dolphinView()->showHiddenFiles();
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m_dirLister->setShowingDotFiles(showHiddenFiles);
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m_dolphinModel = new DolphinModel(this);
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m_dolphinModel->setDirLister(m_dirLister);
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m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
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m_proxyModel = new DolphinSortFilterProxyModel(this);
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m_proxyModel->setSourceModel(m_dolphinModel);
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m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
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const DolphinView* dolphinView = m_view->m_controller->dolphinView();
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m_proxyModel->setSorting(dolphinView->sorting());
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m_proxyModel->setSortOrder(dolphinView->sortOrder());
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m_proxyModel->setSortFoldersFirst(dolphinView->sortFoldersFirst());
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setModel(m_proxyModel);
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if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
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m_selectionManager = new SelectionManager(this);
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connect(m_selectionManager, SIGNAL(selectionChanged()),
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this, SLOT(requestActivation()));
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connect(m_view->m_controller, SIGNAL(urlChanged(const KUrl&)),
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m_selectionManager, SLOT(reset()));
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}
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m_previewGenerator = new KFilePreviewGenerator(this);
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m_previewGenerator->setPreviewShown(m_view->m_controller->dolphinView()->showPreview());
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if (DolphinSettings::instance().generalSettings()->showToolTips()) {
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m_toolTipManager = new ToolTipManager(this, m_proxyModel);
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}
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m_dirLister->openUrl(url, KDirLister::NoFlags);
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connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
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this, SLOT(updateFont()));
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FolderExpander* folderExpander = new FolderExpander(this, m_proxyModel);
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folderExpander->setEnabled(DolphinSettings::instance().generalSettings()->autoExpandFolders());
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connect (folderExpander, SIGNAL(enterDir(const QModelIndex&)),
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m_view->m_controller, SLOT(triggerItem(const QModelIndex&)));
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new RevisionControlObserver(this);
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}
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DolphinColumnWidget::~DolphinColumnWidget()
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{
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delete m_proxyModel;
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m_proxyModel = 0;
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delete m_dolphinModel;
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m_dolphinModel = 0;
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m_dirLister = 0; // deleted by m_dolphinModel
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}
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void DolphinColumnWidget::setDecorationSize(const QSize& size)
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{
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setIconSize(size);
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m_decorationSize = size;
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doItemsLayout();
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if (m_previewGenerator != 0) {
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m_previewGenerator->updateIcons();
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}
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if (m_selectionManager != 0) {
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m_selectionManager->reset();
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}
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}
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void DolphinColumnWidget::setActive(bool active)
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{
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if (active && (m_view->focusProxy() != this)) {
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m_view->setFocusProxy(this);
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}
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if (m_active != active) {
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m_active = active;
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if (active) {
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activate();
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} else {
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deactivate();
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}
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}
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}
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void DolphinColumnWidget::reload()
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{
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m_dirLister->stop();
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m_dirLister->openUrl(m_url, KDirLister::Reload);
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}
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void DolphinColumnWidget::setSorting(DolphinView::Sorting sorting)
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{
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m_proxyModel->setSorting(sorting);
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}
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void DolphinColumnWidget::setSortOrder(Qt::SortOrder order)
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{
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m_proxyModel->setSortOrder(order);
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}
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void DolphinColumnWidget::setSortFoldersFirst(bool foldersFirst)
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{
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m_proxyModel->setSortFoldersFirst(foldersFirst);
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}
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void DolphinColumnWidget::setShowHiddenFiles(bool show)
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{
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if (show != m_dirLister->showingDotFiles()) {
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m_dirLister->setShowingDotFiles(show);
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m_dirLister->stop();
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m_dirLister->openUrl(m_url, KDirLister::Reload);
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}
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}
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void DolphinColumnWidget::setShowPreview(bool show)
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{
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m_previewGenerator->setPreviewShown(show);
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m_dirLister->stop();
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m_dirLister->openUrl(m_url, KDirLister::Reload);
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}
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void DolphinColumnWidget::updateBackground()
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{
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// TODO: The alpha-value 150 is copied from DolphinView::setActive(). When
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// cleaning up the cut-indication of DolphinColumnWidget with the code from
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// DolphinView a common helper-class should be available which can be shared
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// by all view implementations -> no hardcoded value anymore
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const QPalette::ColorRole role = viewport()->backgroundRole();
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QColor color = viewport()->palette().color(role);
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color.setAlpha((m_active && m_view->m_active) ? 255 : 150);
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QPalette palette = viewport()->palette();
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palette.setColor(role, color);
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viewport()->setPalette(palette);
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update();
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}
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void DolphinColumnWidget::setNameFilter(const QString& nameFilter)
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{
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m_proxyModel->setFilterRegExp(nameFilter);
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}
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void DolphinColumnWidget::editItem(const KFileItem& item)
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{
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const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
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const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
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if (proxyIndex.isValid()) {
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edit(proxyIndex);
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}
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}
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KFileItem DolphinColumnWidget::itemAt(const QPoint& pos) const
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{
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KFileItem item;
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const QModelIndex index = indexAt(pos);
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if (index.isValid() && (index.column() == DolphinModel::Name)) {
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const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
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item = m_dolphinModel->itemForIndex(dolphinModelIndex);
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}
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return item;
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}
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KFileItemList DolphinColumnWidget::selectedItems() const
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{
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const QItemSelection selection = m_proxyModel->mapSelectionToSource(selectionModel()->selection());
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KFileItemList itemList;
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const QModelIndexList indexList = selection.indexes();
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foreach (const QModelIndex &index, indexList) {
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KFileItem item = m_dolphinModel->itemForIndex(index);
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if (!item.isNull()) {
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itemList.append(item);
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}
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}
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return itemList;
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}
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QMimeData* DolphinColumnWidget::selectionMimeData() const
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{
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const QItemSelection selection = m_proxyModel->mapSelectionToSource(selectionModel()->selection());
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return m_dolphinModel->mimeData(selection.indexes());
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}
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QStyleOptionViewItem DolphinColumnWidget::viewOptions() const
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{
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QStyleOptionViewItem viewOptions = QListView::viewOptions();
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viewOptions.font = m_font;
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viewOptions.decorationSize = m_decorationSize;
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viewOptions.showDecorationSelected = true;
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return viewOptions;
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}
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void DolphinColumnWidget::startDrag(Qt::DropActions supportedActions)
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{
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DragAndDropHelper::instance().startDrag(this, supportedActions, m_view->m_controller);
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}
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void DolphinColumnWidget::dragEnterEvent(QDragEnterEvent* event)
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{
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if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
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event->acceptProposedAction();
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requestActivation();
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}
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}
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void DolphinColumnWidget::dragLeaveEvent(QDragLeaveEvent* event)
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{
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QListView::dragLeaveEvent(event);
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setDirtyRegion(m_dropRect);
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}
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void DolphinColumnWidget::dragMoveEvent(QDragMoveEvent* event)
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{
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QListView::dragMoveEvent(event);
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// TODO: remove this code when the issue #160611 is solved in Qt 4.4
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const QModelIndex index = indexAt(event->pos());
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setDirtyRegion(m_dropRect);
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m_dropRect.setSize(QSize()); // set as invalid
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if (index.isValid()) {
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m_view->m_controller->setItemView(this);
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const KFileItem item = m_view->m_controller->itemForIndex(index);
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if (!item.isNull() && item.isDir()) {
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m_dropRect = visualRect(index);
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}
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}
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setDirtyRegion(m_dropRect);
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if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
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// accept url drops, independently from the destination item
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event->acceptProposedAction();
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}
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}
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void DolphinColumnWidget::dropEvent(QDropEvent* event)
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{
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const QModelIndex index = indexAt(event->pos());
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m_view->m_controller->setItemView(this);
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const KFileItem item = m_view->m_controller->itemForIndex(index);
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m_view->m_controller->indicateDroppedUrls(item, url(), event);
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QListView::dropEvent(event);
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}
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void DolphinColumnWidget::paintEvent(QPaintEvent* event)
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{
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if (!m_childUrl.isEmpty()) {
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// indicate the shown URL of the next column by highlighting the shown folder item
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const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_childUrl);
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const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
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if (proxyIndex.isValid() && !selectionModel()->isSelected(proxyIndex)) {
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const QRect itemRect = visualRect(proxyIndex);
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QPainter painter(viewport());
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QColor color = KColorScheme(QPalette::Active, KColorScheme::View).foreground().color();
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color.setAlpha(32);
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painter.setPen(Qt::NoPen);
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painter.setBrush(color);
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painter.drawRect(itemRect);
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}
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}
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QListView::paintEvent(event);
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}
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void DolphinColumnWidget::mousePressEvent(QMouseEvent* event)
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{
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requestActivation();
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if (!indexAt(event->pos()).isValid()) {
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if (QApplication::mouseButtons() & Qt::MidButton) {
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m_view->m_controller->replaceUrlByClipboard();
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}
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} else if (event->button() == Qt::LeftButton) {
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// TODO: see comment in DolphinIconsView::mousePressEvent()
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setState(QAbstractItemView::DraggingState);
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}
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QListView::mousePressEvent(event);
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}
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void DolphinColumnWidget::keyPressEvent(QKeyEvent* event)
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{
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QListView::keyPressEvent(event);
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requestActivation();
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DolphinController* controller = m_view->m_controller;
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controller->handleKeyPressEvent(event);
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switch (event->key()) {
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case Qt::Key_Right: {
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// Special key handling for the column: A Key_Right should
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// open a new column for the currently selected folder.
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const QModelIndex index = currentIndex();
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const KFileItem item = controller->itemForIndex(index);
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if (!item.isNull() && item.isDir()) {
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controller->emitItemTriggered(item);
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}
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break;
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}
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case Qt::Key_Escape:
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selectionModel()->setCurrentIndex(selectionModel()->currentIndex(),
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QItemSelectionModel::Current |
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QItemSelectionModel::Clear);
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break;
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default:
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break;
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}
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if (m_toolTipManager != 0) {
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m_toolTipManager->hideTip();
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}
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}
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void DolphinColumnWidget::contextMenuEvent(QContextMenuEvent* event)
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{
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if (!m_active) {
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m_view->requestActivation(this);
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Q_ASSERT(m_view->m_controller->itemView() == this);
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m_view->m_controller->triggerUrlChangeRequest(m_url);
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}
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Q_ASSERT(m_active);
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QListView::contextMenuEvent(event);
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const QModelIndex index = indexAt(event->pos());
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if (!index.isValid()) {
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clearSelection();
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}
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if (m_toolTipManager != 0) {
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m_toolTipManager->hideTip();
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}
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const QPoint pos = m_view->viewport()->mapFromGlobal(event->globalPos());
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Q_ASSERT(m_view->m_controller->itemView() == this);
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m_view->m_controller->triggerContextMenuRequest(pos);
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}
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void DolphinColumnWidget::wheelEvent(QWheelEvent* event)
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{
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if (m_selectionManager != 0) {
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m_selectionManager->reset();
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}
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// let Ctrl+wheel events propagate to the DolphinView for icon zooming
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if (event->modifiers() & Qt::ControlModifier) {
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event->ignore();
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return;
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}
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const int height = m_decorationSize.height();
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const int step = (height >= KIconLoader::SizeHuge) ? height / 10 : (KIconLoader::SizeHuge - height) / 2;
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verticalScrollBar()->setSingleStep(step);
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QListView::wheelEvent(event);
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}
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void DolphinColumnWidget::leaveEvent(QEvent* event)
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{
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QListView::leaveEvent(event);
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// if the mouse is above an item and moved very fast outside the widget,
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// no viewportEntered() signal might be emitted although the mouse has been moved
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// above the viewport
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m_view->m_controller->emitViewportEntered();
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}
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void DolphinColumnWidget::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
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{
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QListView::selectionChanged(selected, deselected);
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QItemSelectionModel* selModel = m_view->selectionModel();
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selModel->select(selected, QItemSelectionModel::Select);
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selModel->select(deselected, QItemSelectionModel::Deselect);
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}
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void DolphinColumnWidget::currentChanged(const QModelIndex& current, const QModelIndex& previous)
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{
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QListView::currentChanged(current, previous);
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m_autoScroller->handleCurrentIndexChange(current, previous);
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}
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void DolphinColumnWidget::slotEntered(const QModelIndex& index)
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{
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m_view->m_controller->setItemView(this);
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m_view->m_controller->emitItemEntered(index);
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}
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void DolphinColumnWidget::requestActivation()
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{
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m_view->m_controller->setItemView(this);
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m_view->m_controller->requestActivation();
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if (!m_active) {
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m_view->requestActivation(this);
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m_view->m_controller->triggerUrlChangeRequest(m_url);
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selectionModel()->clear();
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}
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}
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|
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void DolphinColumnWidget::updateFont()
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|
{
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const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
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Q_ASSERT(settings != 0);
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|
|
|
if (settings->useSystemFont()) {
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|
m_font = KGlobalSettings::generalFont();
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|
}
|
|
}
|
|
|
|
void DolphinColumnWidget::activate()
|
|
{
|
|
setFocus(Qt::OtherFocusReason);
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|
|
|
if (KGlobalSettings::singleClick()) {
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|
connect(this, SIGNAL(clicked(const QModelIndex&)),
|
|
m_view->m_controller, SLOT(triggerItem(const QModelIndex&)));
|
|
} else {
|
|
connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
|
|
m_view->m_controller, SLOT(triggerItem(const QModelIndex&)));
|
|
}
|
|
|
|
if (selectionModel() && selectionModel()->currentIndex().isValid()) {
|
|
selectionModel()->setCurrentIndex(selectionModel()->currentIndex(), QItemSelectionModel::SelectCurrent);
|
|
}
|
|
|
|
updateBackground();
|
|
}
|
|
|
|
void DolphinColumnWidget::deactivate()
|
|
{
|
|
clearFocus();
|
|
if (KGlobalSettings::singleClick()) {
|
|
disconnect(this, SIGNAL(clicked(const QModelIndex&)),
|
|
m_view->m_controller, SLOT(triggerItem(const QModelIndex&)));
|
|
} else {
|
|
disconnect(this, SIGNAL(doubleClicked(const QModelIndex&)),
|
|
m_view->m_controller, SLOT(triggerItem(const QModelIndex&)));
|
|
}
|
|
|
|
const QModelIndex current = selectionModel()->currentIndex();
|
|
selectionModel()->clear();
|
|
selectionModel()->setCurrentIndex(current, QItemSelectionModel::NoUpdate);
|
|
updateBackground();
|
|
}
|
|
|
|
#include "dolphincolumnwidget.moc"
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