Core: Merge Find and Locator into Core plugin

Change-Id: I7053310272235d854c9f409670ff52a10a7add8b
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

1 files changed, 0 insertions, 594 deletions

diff --git a/src/plugins/locator/locatorwidget.cpp b/src/plugins/locator/locatorwidget.cpp
deleted file mode 100644
index d592b459a1..0000000000
--- a/src/plugins/locator/locatorwidget.cpp
+++ /dev/null
@@ -1,594 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-****************************************************************************/
-
-#include "locatorwidget.h"
-#include "locatorplugin.h"
-#include "locatorconstants.h"
-#include "locatorsearchutils.h"
-#include "ilocatorfilter.h"
-
-#include <coreplugin/coreconstants.h>
-#include <coreplugin/icore.h>
-#include <coreplugin/modemanager.h>
-#include <coreplugin/actionmanager/actionmanager.h>
-#include <coreplugin/fileiconprovider.h>
-#include <coreplugin/icontext.h>
-#include <utils/appmainwindow.h>
-#include <utils/filterlineedit.h>
-#include <utils/hostosinfo.h>
-#include <utils/qtcassert.h>
-#include <utils/runextensions.h>
-
-#include <QColor>
-#include <QFileInfo>
-#include <QTimer>
-#include <QEvent>
-#include <QAction>
-#include <QApplication>
-#include <QHBoxLayout>
-#include <QHeaderView>
-#include <QKeyEvent>
-#include <QMenu>
-#include <QScrollBar>
-#include <QTreeView>
-#include <QToolTip>
-
-Q_DECLARE_METATYPE(Locator::ILocatorFilter*)
-Q_DECLARE_METATYPE(Locator::FilterEntry)
-
-using namespace Core;
-
-namespace Locator {
-namespace Internal {
-
-/* A model to represent the Locator results. */
-class LocatorModel : public QAbstractListModel
-{
-public:
-    LocatorModel(QObject *parent = 0)
-        : QAbstractListModel(parent)
-//        , mDisplayCount(64)
-    {}
-
-    int rowCount(const QModelIndex &parent = QModelIndex()) const;
-    int columnCount(const QModelIndex &parent = QModelIndex()) const;
-    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
-
-    void setEntries(const QList<FilterEntry> &entries);
-    //void setDisplayCount(int count);
-
-private:
-    mutable QList<FilterEntry> mEntries;
-    //int mDisplayCount;
-};
-
-class CompletionList : public QTreeView
-{
-public:
-    CompletionList(QWidget *parent = 0);
-
-    void updatePreferredSize();
-    QSize preferredSize() const { return m_preferredSize; }
-
-    void focusOutEvent (QFocusEvent *event) {
-        if (event->reason() == Qt::ActiveWindowFocusReason)
-            hide();
-        QTreeView::focusOutEvent(event);
-    }
-
-    void next() {
-        int index = currentIndex().row();
-        ++index;
-        if (index >= model()->rowCount(QModelIndex())) {
-            // wrap
-            index = 0;
-        }
-        setCurrentIndex(model()->index(index, 0));
-    }
-
-    void previous() {
-        int index = currentIndex().row();
-        --index;
-        if (index < 0) {
-            // wrap
-            index = model()->rowCount(QModelIndex()) - 1;
-        }
-        setCurrentIndex(model()->index(index, 0));
-    }
-
-private:
-    QSize m_preferredSize;
-};
-
-} // namespace Internal
-
-
-
-} // namespace Locator
-
-using namespace Locator;
-using namespace Locator::Internal;
-
-// =========== LocatorModel ===========
-
-int LocatorModel::rowCount(const QModelIndex & /* parent */) const
-{
-    return mEntries.size();
-}
-
-int LocatorModel::columnCount(const QModelIndex &parent) const
-{
-    return parent.isValid() ? 0 : 2;
-}
-
-/*!
- * When asked for the icon via Qt::DecorationRole, the LocatorModel lazily
- * resolves and caches the Greehouse-specific file icon when
- * FilterEntry::resolveFileIcon is true. FilterEntry::internalData is assumed
- * to be the filename.
- */
-QVariant LocatorModel::data(const QModelIndex &index, int role) const
-{
-    if (!index.isValid() || index.row() >= mEntries.size())
-        return QVariant();
-
-    if (role == Qt::DisplayRole) {
-        if (index.column() == 0)
-            return mEntries.at(index.row()).displayName;
-        else if (index.column() == 1)
-            return mEntries.at(index.row()).extraInfo;
-    } else if (role == Qt::ToolTipRole) {
-        if (mEntries.at(index.row()).extraInfo.isEmpty())
-            return QVariant(mEntries.at(index.row()).displayName);
-        else
-            return QVariant(mEntries.at(index.row()).displayName
-                            + QLatin1String("\n\n") + mEntries.at(index.row()).extraInfo);
-    } else if (role == Qt::DecorationRole && index.column() == 0) {
-        FilterEntry &entry = mEntries[index.row()];
-        if (!entry.fileIconResolved && !entry.fileName.isEmpty() && entry.displayIcon.isNull()) {
-            entry.fileIconResolved = true;
-            entry.displayIcon = FileIconProvider::icon(entry.fileName);
-        }
-        return entry.displayIcon;
-    } else if (role == Qt::ForegroundRole && index.column() == 1) {
-        return QColor(Qt::darkGray);
-    } else if (role == Qt::UserRole) {
-        return qVariantFromValue(mEntries.at(index.row()));
-    }
-
-    return QVariant();
-}
-
-void LocatorModel::setEntries(const QList<FilterEntry> &entries)
-{
-    beginResetModel();
-    mEntries = entries;
-    endResetModel();
-}
-
-// =========== CompletionList ===========
-
-CompletionList::CompletionList(QWidget *parent)
-    : QTreeView(parent)
-{
-    setRootIsDecorated(false);
-    setUniformRowHeights(true);
-    setMaximumWidth(900);
-    header()->hide();
-    header()->setStretchLastSection(true);
-    // This is too slow when done on all results
-    //header()->setResizeMode(QHeaderView::ResizeToContents);
-    setWindowFlags(Qt::ToolTip);
-    if (Utils::HostOsInfo::isMacHost()) {
-        if (horizontalScrollBar())
-            horizontalScrollBar()->setAttribute(Qt::WA_MacMiniSize);
-        if (verticalScrollBar())
-            verticalScrollBar()->setAttribute(Qt::WA_MacMiniSize);
-    }
-}
-
-void CompletionList::updatePreferredSize()
-{
-    const QStyleOptionViewItem &option = viewOptions();
-    const QSize shint = itemDelegate()->sizeHint(option, model()->index(0, 0));
-
-    m_preferredSize = QSize(730, shint.height() * 17 + frameWidth() * 2);
-}
-
-// =========== LocatorWidget ===========
-
-LocatorWidget::LocatorWidget(LocatorPlugin *qop) :
-    m_locatorPlugin(qop),
-    m_locatorModel(new LocatorModel(this)),
-    m_completionList(new CompletionList(this)),
-    m_filterMenu(new QMenu(this)),
-    m_refreshAction(new QAction(tr("Refresh"), this)),
-    m_configureAction(new QAction(tr("Configure..."), this)),
-    m_fileLineEdit(new Utils::FilterLineEdit),
-    m_updateRequested(false),
-    m_acceptRequested(false),
-    m_possibleToolTipRequest(false)
-{
-    // Explicitly hide the completion list popup.
-    m_completionList->hide();
-
-    setFocusProxy(m_fileLineEdit);
-    setWindowTitle(tr("Locate..."));
-    resize(200, 90);
-    QSizePolicy sizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
-    sizePolicy.setHorizontalStretch(0);
-    sizePolicy.setVerticalStretch(0);
-    setSizePolicy(sizePolicy);
-    setMinimumSize(QSize(200, 0));
-
-    QHBoxLayout *layout = new QHBoxLayout(this);
-    setLayout(layout);
-    layout->setMargin(0);
-    layout->addWidget(m_fileLineEdit);
-
-    setWindowIcon(QIcon(QLatin1String(":/locator/images/locator.png")));
-    const QPixmap image = QPixmap(QLatin1String(Core::Constants::ICON_MAGNIFIER));
-    m_fileLineEdit->setButtonPixmap(Utils::FancyLineEdit::Left, image);
-    m_fileLineEdit->setButtonToolTip(Utils::FancyLineEdit::Left, tr("Options"));
-    m_fileLineEdit->setFocusPolicy(Qt::ClickFocus);
-    m_fileLineEdit->setButtonVisible(Utils::FancyLineEdit::Left, true);
-    // We set click focus since otherwise you will always get two popups
-    m_fileLineEdit->setButtonFocusPolicy(Utils::FancyLineEdit::Left, Qt::ClickFocus);
-    m_fileLineEdit->setAttribute(Qt::WA_MacShowFocusRect, false);
-
-    m_fileLineEdit->installEventFilter(this);
-    this->installEventFilter(this);
-
-    m_completionList->setModel(m_locatorModel);
-    m_completionList->header()->resizeSection(0, 300);
-    m_completionList->updatePreferredSize();
-    m_completionList->resize(m_completionList->preferredSize());
-
-    m_filterMenu->addAction(m_refreshAction);
-    m_filterMenu->addAction(m_configureAction);
-
-    m_fileLineEdit->setButtonMenu(Utils::FancyLineEdit::Left, m_filterMenu);
-
-    connect(m_refreshAction, SIGNAL(triggered()), m_locatorPlugin, SLOT(refresh()));
-    connect(m_configureAction, SIGNAL(triggered()), this, SLOT(showConfigureDialog()));
-    connect(m_fileLineEdit, SIGNAL(textChanged(QString)),
-        this, SLOT(showPopup()));
-    connect(m_completionList, SIGNAL(activated(QModelIndex)),
-            this, SLOT(scheduleAcceptCurrentEntry()));
-
-    m_entriesWatcher = new QFutureWatcher<FilterEntry>(this);
-    connect(m_entriesWatcher, SIGNAL(finished()), SLOT(updateEntries()));
-
-    m_showPopupTimer = new QTimer(this);
-    m_showPopupTimer->setInterval(100);
-    m_showPopupTimer->setSingleShot(true);
-    connect(m_showPopupTimer, SIGNAL(timeout()), SLOT(showPopupNow()));
-}
-
-void LocatorWidget::setPlaceholderText(const QString &text)
-{
-    m_fileLineEdit->setPlaceholderText(text);
-}
-
-void LocatorWidget::updateFilterList()
-{
-    typedef QMap<Id, QAction *> IdActionMap;
-
-    m_filterMenu->clear();
-
-    // update actions and menu
-    IdActionMap actionCopy = m_filterActionMap;
-    m_filterActionMap.clear();
-    // register new actions, update existent
-    foreach (ILocatorFilter *filter, m_locatorPlugin->filters()) {
-        if (filter->shortcutString().isEmpty() || filter->isHidden())
-            continue;
-        Id filterId = filter->id();
-        Id locatorId = filterId.withPrefix("Locator.");
-        QAction *action = 0;
-        Command *cmd = 0;
-        if (!actionCopy.contains(filterId)) {
-            // register new action
-            action = new QAction(filter->displayName(), this);
-            cmd = ActionManager::registerAction(action, locatorId,
-                               Context(Core::Constants::C_GLOBAL));
-            cmd->setAttribute(Command::CA_UpdateText);
-            connect(action, SIGNAL(triggered()), this, SLOT(filterSelected()));
-            action->setData(qVariantFromValue(filter));
-        } else {
-            action = actionCopy.take(filterId);
-            action->setText(filter->displayName());
-            cmd = ActionManager::command(locatorId);
-        }
-        m_filterActionMap.insert(filterId, action);
-        m_filterMenu->addAction(cmd->action());
-    }
-
-    // unregister actions that are deleted now
-    const IdActionMap::Iterator end = actionCopy.end();
-    for (IdActionMap::Iterator it = actionCopy.begin(); it != end; ++it) {
-        ActionManager::unregisterAction(it.value(), it.key().withPrefix("Locator."));
-        delete it.value();
-    }
-
-    m_filterMenu->addSeparator();
-    m_filterMenu->addAction(m_refreshAction);
-    m_filterMenu->addAction(m_configureAction);
-}
-
-bool LocatorWidget::eventFilter(QObject *obj, QEvent *event)
-{
-    if (obj == m_fileLineEdit && event->type() == QEvent::KeyPress) {
-        if (m_possibleToolTipRequest)
-            m_possibleToolTipRequest = false;
-        if (QToolTip::isVisible())
-            QToolTip::hideText();
-
-        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
-        switch (keyEvent->key()) {
-        case Qt::Key_Up:
-        case Qt::Key_Down:
-        case Qt::Key_PageUp:
-        case Qt::Key_PageDown:
-            showCompletionList();
-            QApplication::sendEvent(m_completionList, event);
-            return true;
-        case Qt::Key_Enter:
-        case Qt::Key_Return:
-            scheduleAcceptCurrentEntry();
-            return true;
-        case Qt::Key_Escape:
-            m_completionList->hide();
-            return true;
-        case Qt::Key_Tab:
-            m_completionList->next();
-            return true;
-        case Qt::Key_Backtab:
-            m_completionList->previous();
-            return true;
-        case Qt::Key_Alt:
-            if (keyEvent->modifiers() == Qt::AltModifier) {
-                m_possibleToolTipRequest = true;
-                return true;
-            }
-            break;
-        default:
-            break;
-        }
-    } else if (obj == m_fileLineEdit && event->type() == QEvent::KeyRelease) {
-        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
-        if (m_possibleToolTipRequest) {
-            m_possibleToolTipRequest = false;
-            if (m_completionList->isVisible()
-                    && (keyEvent->key() == Qt::Key_Alt)
-                    && (keyEvent->modifiers() == Qt::NoModifier)) {
-                const QModelIndex index = m_completionList->currentIndex();
-                if (index.isValid()) {
-                    QToolTip::showText(m_completionList->pos() + m_completionList->visualRect(index).topRight(),
-                                       m_locatorModel->data(index, Qt::ToolTipRole).toString());
-                    return true;
-                }
-            }
-        }
-    } else if (obj == m_fileLineEdit && event->type() == QEvent::FocusOut) {
-        QFocusEvent *fev = static_cast<QFocusEvent *>(event);
-        if (fev->reason() != Qt::ActiveWindowFocusReason || !m_completionList->isActiveWindow()) {
-            m_completionList->hide();
-            m_fileLineEdit->clearFocus();
-        }
-    } else if (obj == m_fileLineEdit && event->type() == QEvent::FocusIn) {
-        showPopupNow();
-    } else if (obj == this && event->type() == QEvent::ShortcutOverride) {
-        QKeyEvent *ke = static_cast<QKeyEvent *>(event);
-        switch (ke->key()) {
-        case Qt::Key_Escape:
-            if (!ke->modifiers()) {
-                event->accept();
-                QTimer::singleShot(0, this, SLOT(setFocusToCurrentMode()));
-                return true;
-            }
-        case Qt::Key_Alt:
-            if (ke->modifiers() == Qt::AltModifier) {
-                event->accept();
-                return true;
-            }
-            break;
-        default:
-            break;
-        }
-    }
-    return QWidget::eventFilter(obj, event);
-}
-
-void LocatorWidget::setFocusToCurrentMode()
-{
-    Core::ModeManager::setFocusToCurrentMode();
-}
-
-void LocatorWidget::showCompletionList()
-{
-    const int border = m_completionList->frameWidth();
-    const QSize size = m_completionList->preferredSize();
-    const QRect rect(mapToGlobal(QPoint(-border, -size.height() - border)), size);
-    m_completionList->setGeometry(rect);
-    m_completionList->show();
-}
-
-void LocatorWidget::showPopup()
-{
-    m_updateRequested = true;
-    m_showPopupTimer->start();
-}
-
-void LocatorWidget::showPopupNow()
-{
-    m_showPopupTimer->stop();
-    updateCompletionList(m_fileLineEdit->text());
-    showCompletionList();
-}
-
-QList<ILocatorFilter *> LocatorWidget::filtersFor(const QString &text, QString &searchText)
-{
-    QList<ILocatorFilter *> filters = m_locatorPlugin->filters();
-    const int whiteSpace = text.indexOf(QLatin1Char(' '));
-    QString prefix;
-    if (whiteSpace >= 0)
-        prefix = text.left(whiteSpace);
-    if (!prefix.isEmpty()) {
-        prefix = prefix.toLower();
-        QList<ILocatorFilter *> prefixFilters;
-        foreach (ILocatorFilter *filter, filters) {
-            if (prefix == filter->shortcutString()) {
-                searchText = text.mid(whiteSpace+1);
-                prefixFilters << filter;
-            }
-        }
-        if (!prefixFilters.isEmpty())
-            return prefixFilters;
-    }
-    searchText = text;
-    QList<ILocatorFilter *> activeFilters;
-    foreach (ILocatorFilter *filter, filters)
-        if (filter->isIncludedByDefault())
-            activeFilters << filter;
-    return activeFilters;
-}
-
-void LocatorWidget::updateCompletionList(const QString &text)
-{
-    m_updateRequested = true;
-    QString searchText;
-    const QList<ILocatorFilter *> filters = filtersFor(text, searchText);
-
-    // cancel the old future
-    m_entriesWatcher->future().cancel();
-    m_entriesWatcher->future().waitForFinished();
-
-    QFuture<FilterEntry> future = QtConcurrent::run(runSearch, filters, searchText);
-    m_entriesWatcher->setFuture(future);
-}
-
-void LocatorWidget::updateEntries()
-{
-    m_updateRequested = false;
-    if (m_entriesWatcher->future().isCanceled()) {
-        // reset to usable state
-        m_acceptRequested = false;
-        return;
-    }
-
-    const QList<FilterEntry> entries = m_entriesWatcher->future().results();
-    m_locatorModel->setEntries(entries);
-    if (m_locatorModel->rowCount() > 0)
-        m_completionList->setCurrentIndex(m_locatorModel->index(0, 0));
-#if 0
-    m_completionList->updatePreferredSize();
-#endif
-    if (m_acceptRequested)
-        acceptCurrentEntry();
-}
-
-void LocatorWidget::scheduleAcceptCurrentEntry()
-{
-    if (m_updateRequested) {
-        // don't just accept the selected entry, since the list is not up to date
-        // accept will be called after the update finished
-        m_acceptRequested = true;
-    } else {
-        acceptCurrentEntry();
-    }
-}
-
-void LocatorWidget::acceptCurrentEntry()
-{
-    m_acceptRequested = false;
-    if (!m_completionList->isVisible())
-        return;
-    const QModelIndex index = m_completionList->currentIndex();
-    if (!index.isValid())
-        return;
-    const FilterEntry entry = m_locatorModel->data(index, Qt::UserRole).value<FilterEntry>();
-    m_completionList->hide();
-    m_fileLineEdit->clearFocus();
-    entry.filter->accept(entry);
-}
-
-void LocatorWidget::show(const QString &text, int selectionStart, int selectionLength)
-{
-    if (!text.isEmpty())
-        m_fileLineEdit->setText(text);
-    if (!m_fileLineEdit->hasFocus())
-        m_fileLineEdit->setFocus();
-    else
-        showPopupNow();
-    ICore::raiseWindow(ICore::mainWindow());
-
-    if (selectionStart >= 0) {
-        m_fileLineEdit->setSelection(selectionStart, selectionLength);
-        if (selectionLength == 0) // make sure the cursor is at the right position (Mac-vs.-rest difference)
-            m_fileLineEdit->setCursorPosition(selectionStart);
-    } else {
-        m_fileLineEdit->selectAll();
-    }
-}
-
-void LocatorWidget::filterSelected()
-{
-    QString searchText = tr("<type here>");
-    QAction *action = qobject_cast<QAction *>(sender());
-    QTC_ASSERT(action, return);
-    ILocatorFilter *filter = action->data().value<ILocatorFilter *>();
-    QTC_ASSERT(filter, return);
-    QString currentText = m_fileLineEdit->text().trimmed();
-    // add shortcut string at front or replace existing shortcut string
-    if (!currentText.isEmpty()) {
-        searchText = currentText;
-        foreach (ILocatorFilter *otherfilter, m_locatorPlugin->filters()) {
-            if (currentText.startsWith(otherfilter->shortcutString() + QLatin1Char(' '))) {
-                searchText = currentText.mid(otherfilter->shortcutString().length() + 1);
-                break;
-            }
-        }
-    }
-    show(filter->shortcutString() + QLatin1Char(' ') + searchText,
-         filter->shortcutString().length() + 1,
-         searchText.length());
-    updateCompletionList(m_fileLineEdit->text());
-    m_fileLineEdit->setFocus();
-}
-
-void LocatorWidget::showEvent(QShowEvent *event)
-{
-    QWidget::showEvent(event);
-}
-
-void LocatorWidget::showConfigureDialog()
-{
-    ICore::showOptionsDialog(Core::Constants::SETTINGS_CATEGORY_CORE, Constants::FILTER_OPTIONS_PAGE);
-}