Initial import

2008-12-02 12:01:29 +01:00
commit 05c35356ab
1675 changed files with 229938 additions and 0 deletions
--- a/src/plugins/quickopen/quickopentoolwindow.cpp
+++ b/src/plugins/quickopen/quickopentoolwindow.cpp
@@ -0,0 +1,484 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+
+#include <qglobal.h>
+
+namespace QuickOpen {
+struct FilterEntry;
+}
+
+QT_BEGIN_NAMESPACE
+unsigned int qHash(const QuickOpen::FilterEntry &entry);
+QT_END_NAMESPACE
+
+#include "quickopentoolwindow.h"
+#include "quickopenplugin.h"
+#include "quickopenconstants.h"
+
+#include <extensionsystem/pluginmanager.h>
+#include <coreplugin/icore.h>
+#include <coreplugin/modemanager.h>
+#include <coreplugin/coreconstants.h>
+#include <coreplugin/fileiconprovider.h>
+#include <utils/fancylineedit.h>
+
+#include <QtCore/QFileInfo>
+#include <QtCore/QFile>
+#include <QtCore/QTimer>
+#include <QtCore/QRegExp>
+#include <QtCore/QSettings>
+#include <QtCore/QDebug>
+#include <QtGui/QAction>
+#include <QtGui/QApplication>
+#include <QtGui/QContextMenuEvent>
+#include <QtGui/QHBoxLayout>
+#include <QtGui/QHeaderView>
+#include <QtGui/QKeyEvent>
+#include <QtGui/QLabel>
+#include <QtGui/QLineEdit>
+#include <QtGui/QMenu>
+#include <QtGui/QMouseEvent>
+#include <QtGui/QPushButton>
+#include <QtGui/QScrollBar>
+#include <QtGui/QTreeView>
+
+Q_DECLARE_METATYPE(QuickOpen::IQuickOpenFilter*);
+Q_DECLARE_METATYPE(QuickOpen::FilterEntry);
+
+namespace QuickOpen {
+namespace Internal {
+
+/*! A model to represent the QuickOpen results. */
+class QuickOpenModel : public QAbstractListModel
+{
+public:
+    QuickOpenModel(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; }
+
+private:
+    QSize m_preferredSize;
+};
+
+} // namespace Internal
+} // namespace QuickOpen
+
+using namespace QuickOpen;
+using namespace QuickOpen::Internal;
+
+QT_BEGIN_NAMESPACE
+uint qHash(const FilterEntry &entry)
+{
+    if (entry.internalData.canConvert(QVariant::String))
+        return qHash(entry.internalData.toString());
+    return qHash(entry.internalData.constData());
+}
+QT_END_NAMESPACE
+
+
+// =========== QuickOpenModel ===========
+
+int QuickOpenModel::rowCount(const QModelIndex & /* parent */) const
+{
+    return mEntries.size();
+}
+
+int QuickOpenModel::columnCount(const QModelIndex &parent) const
+{
+    return parent.isValid() ? 0 : 2;
+}
+
+/*!
+ * When asked for the icon via Qt::DecorationRole, the QuickOpenModel lazily
+ * resolves and caches the Greehouse-specific file icon when
+ * FilterEntry::resolveFileIcon is true. FilterEntry::internalData is assumed
+ * to be the filename.
+ */
+QVariant QuickOpenModel::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::DecorationRole && index.column() == 0) {
+        FilterEntry &entry = mEntries[index.row()];
+        if (entry.resolveFileIcon && entry.displayIcon.isNull()) {
+            entry.resolveFileIcon = false;
+            entry.displayIcon =
+                 Core::FileIconProvider::instance()->icon(QFileInfo(entry.internalData.toString()));
+        }
+        return entry.displayIcon;
+    } else if (role == Qt::ForegroundRole && index.column() == 1) {
+        return Qt::darkGray;
+    } else if (role == Qt::UserRole) {
+        return qVariantFromValue(mEntries.at(index.row()));
+    }
+
+    return QVariant();
+}
+
+void QuickOpenModel::setEntries(const QList<FilterEntry> &entries)
+{
+    mEntries = entries;
+    reset();
+}
+#if 0
+void QuickOpenModel::setDisplayCount(int count)
+{
+    // TODO: This method is meant to be used for increasing the number of items displayed at the
+    // user's request. There is however no way yet for the user to request this.
+    if (count == mDisplayCount)
+        return;
+
+    const int displayedOld = qMin(mDisplayCount, mEntries.size());
+    const int displayedNew = qMin(count, mEntries.size());
+
+    if (displayedNew < displayedOld)
+        beginRemoveRows(QModelIndex(), displayedNew - 1, displayedOld - 1);
+    else if (displayedNew > displayedOld)
+        beginInsertRows(QModelIndex(), displayedOld - 1, displayedNew - 1);
+
+    mDisplayCount = count;
+
+    if (displayedNew < displayedOld)
+        endRemoveRows();
+    else if (displayedNew > displayedOld)
+        endInsertRows();
+}
+#endif
+
+// =========== 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);
+}
+
+void CompletionList::updatePreferredSize()
+{
+    //header()->setStretchLastSection(false);
+    //updateGeometries();
+
+    const QStyleOptionViewItem &option = viewOptions();
+    const QSize shint = itemDelegate()->sizeHint(option, model()->index(0, 0));
+#if 0
+    const int visibleItems = model()->rowCount();
+
+    // TODO: Look into enabling preferred height as well. Current problem is that this doesn't
+    // work nicely from the user perspective if the list is popping up instead of down.
+    //const int h = shint.height() * visibleItems;
+
+    const QScrollBar *vscroll = verticalScrollBar();
+    int preferredWidth = header()->length() + frameWidth() * 2
+                         + (vscroll->isVisibleTo(this) ? vscroll->width() : 0);
+    const int diff = preferredWidth - width();
+
+    // Avoid resizing the list widget when there are no results or when the preferred size is
+    // only a little smaller than our current size
+    if (visibleItems == 0 || (diff > -100 && diff < 0))
+        preferredWidth = width();
+#endif
+
+    m_preferredSize = QSize(600, //qMax(600, preferredWidth),
+                            shint.height() * 17 + frameWidth() * 2);
+    //header()->setStretchLastSection(true);
+}
+
+
+// =========== QuickOpenToolWindow ===========
+
+QuickOpenToolWindow::QuickOpenToolWindow(QuickOpenPlugin *qop) :
+     m_quickOpenPlugin(qop),
+     m_quickOpenModel(new QuickOpenModel(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 Core::Utils::FancyLineEdit)
+{
+    // Explcitly hide the completion list popup.
+    m_completionList->hide();
+
+    setWindowTitle("Quick Open");
+    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(":/quickopen/images/quickopen.png"));
+    QPixmap image(Core::Constants::ICON_MAGNIFIER);
+    m_fileLineEdit->setPixmap(image);
+    m_fileLineEdit->setUseLayoutDirection(true);
+    m_fileLineEdit->setHintText(tr("Type to QuickOpen"));
+    m_fileLineEdit->setFocusPolicy(Qt::ClickFocus);
+
+    m_fileLineEdit->installEventFilter(this);
+    this->installEventFilter(this);
+
+    m_completionList->setModel(m_quickOpenModel);
+    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->setMenu( m_filterMenu);
+
+    connect(m_refreshAction, SIGNAL(triggered()), m_quickOpenPlugin, SLOT(refresh()));
+    connect(m_configureAction, SIGNAL(triggered()), this, SLOT(showConfigureDialog()));
+    connect(m_fileLineEdit, SIGNAL(textEdited(const QString&)),
+        this, SLOT(textEdited(const QString&)));
+    connect(m_completionList, SIGNAL(activated(QModelIndex)),
+            this, SLOT(acceptCurrentEntry()));
+}
+
+bool QuickOpenToolWindow::isShowingTypeHereMessage() const
+{
+    return m_fileLineEdit->isShowingHintText();
+}
+
+void QuickOpenToolWindow::updateFilterList()
+{
+    m_filterMenu->clear();
+    foreach (IQuickOpenFilter *filter, m_quickOpenPlugin->filter()) {
+        if (!filter->shortcutString().isEmpty()) {
+            QAction *action = m_filterMenu->addAction(filter->trName(), this, SLOT(filterSelected()));
+            action->setData(qVariantFromValue(filter));
+        }
+    }
+    m_filterMenu->addSeparator();
+    m_filterMenu->addAction(m_refreshAction);
+    m_filterMenu->addAction(m_configureAction);
+}
+
+bool QuickOpenToolWindow::eventFilter(QObject *obj, QEvent *event)
+{
+    if (obj == m_fileLineEdit && event->type() == QEvent::KeyPress) {
+        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:
+            acceptCurrentEntry();
+            return true;
+        case Qt::Key_Escape:
+            m_completionList->hide();
+            return true;
+        default:
+            break;
+        }
+    } else if (obj == m_fileLineEdit && event->type() == QEvent::FocusOut) {
+        m_completionList->hide();
+    } else if (obj == m_fileLineEdit && event->type() == QEvent::FocusIn) {
+        updateCompletionList(m_fileLineEdit->typedText());
+        showCompletionList();
+    } else if (obj == this && event->type() == QEvent::ShortcutOverride) {
+        QKeyEvent *ke = static_cast<QKeyEvent *>(event);
+        if (ke->key() == Qt::Key_Escape && !ke->modifiers()) {
+            event->accept();
+            QTimer::singleShot(0, Core::ModeManager::instance(), SLOT(setFocusToCurrentMode()));
+            return true;
+        }
+    }
+    return QWidget::eventFilter(obj, event);
+}
+
+void QuickOpenToolWindow::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 QuickOpenToolWindow::textEdited(const QString &text)
+{
+    updateCompletionList(text);
+    showCompletionList();
+}
+
+QList<IQuickOpenFilter*> QuickOpenToolWindow::filtersFor(const QString &text, QString &searchText)
+{
+    QList<IQuickOpenFilter*> filters = m_quickOpenPlugin->filter();
+    int whiteSpace = text.indexOf(" ");
+    QString prefix;
+    if (whiteSpace >= 0)
+        prefix = text.left(whiteSpace);
+    if (!prefix.isEmpty()) {
+        prefix = prefix.toLower();
+        foreach (IQuickOpenFilter *filter, filters) {
+            if (prefix == filter->shortcutString()) {
+                searchText = text.mid(whiteSpace+1);
+                return QList<IQuickOpenFilter*>() << filter;
+            }
+        }
+    }
+    searchText = text;
+    QList<IQuickOpenFilter*> activeFilters;
+    foreach (IQuickOpenFilter *filter, filters)
+        if (filter->defaultActiveState())
+            activeFilters << filter;
+    return activeFilters;
+}
+
+void QuickOpenToolWindow::updateCompletionList(const QString &text)
+{
+    QString searchText;
+    const QList<IQuickOpenFilter*> filters = filtersFor(text, searchText);
+    QSet<FilterEntry> alreadyAdded;
+    const bool checkDuplicates = (filters.size() > 1);
+    QList<FilterEntry> entries;
+    foreach (IQuickOpenFilter *filter, filters) {
+        foreach (const FilterEntry &entry, filter->matchesFor(searchText)) {
+            if (checkDuplicates && alreadyAdded.contains(entry))
+                continue;
+            entries.append(entry);
+            if (checkDuplicates)
+                alreadyAdded.insert(entry);
+        }
+    }
+    m_quickOpenModel->setEntries(entries);
+    if (m_quickOpenModel->rowCount() > 0) {
+        m_completionList->setCurrentIndex(m_quickOpenModel->index(0, 0));
+    }
+#if 0
+    m_completionList->updatePreferredSize();
+#endif
+}
+
+void QuickOpenToolWindow::acceptCurrentEntry()
+{
+    if (!m_completionList->isVisible())
+        return;
+    const QModelIndex index = m_completionList->currentIndex();
+    if (!index.isValid())
+        return;
+    const FilterEntry entry = m_quickOpenModel->data(index, Qt::UserRole).value<FilterEntry>();
+    m_completionList->hide();
+    entry.filter->accept(entry);
+}
+
+void QuickOpenToolWindow::show(const QString &text, int selectionStart, int selectionLength)
+{
+    m_fileLineEdit->hideHintText();
+    m_fileLineEdit->setText(text);
+    setFocus();
+    if (selectionStart >= 0)
+        m_fileLineEdit->setSelection(selectionStart, selectionLength);
+    else
+        m_fileLineEdit->deselect();
+}
+
+void QuickOpenToolWindow::filterSelected()
+{
+    const char * const TEXT = "<type here>";
+    QAction *action = qobject_cast<QAction*>(sender());
+    Q_ASSERT(action);
+    IQuickOpenFilter *filter = action->data().value<IQuickOpenFilter*>();
+    Q_ASSERT(filter);
+    show(filter->shortcutString() + " " + TEXT,
+         filter->shortcutString().length() + 1,
+         QString(TEXT).length());
+    updateCompletionList(m_fileLineEdit->text());
+    m_fileLineEdit->setFocus();
+}
+
+void QuickOpenToolWindow::focusInEvent(QFocusEvent *e)
+{
+    m_fileLineEdit->setFocus(e->reason());
+    if (e->reason() != Qt::MouseFocusReason) {
+        m_fileLineEdit->selectAll();
+    }
+    QWidget::focusInEvent(e);
+}
+
+void QuickOpenToolWindow::showEvent(QShowEvent *event)
+{
+    QWidget::showEvent(event);
+}
+
+void QuickOpenToolWindow::showConfigureDialog()
+{
+    ExtensionSystem::PluginManager::instance()
+        ->getObject<Core::ICore>()->showOptionsDialog(Constants::QUICKOPEN_CATEGORY,
+          Constants::FILTER_OPTIONS_PAGE);
+}