--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/scripttools/debugging/qscriptdebuggerlocalswidget.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,421 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSCriptTools module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptdebuggerlocalswidget_p.h"
+#include "qscriptdebuggerlocalswidgetinterface_p_p.h"
+#include "qscriptdebuggerlocalsmodel_p.h"
+#include "qscriptcompletionproviderinterface_p.h"
+#include "qscriptcompletiontaskinterface_p.h"
+
+#include <QtCore/qdebug.h>
+#include <QtGui/qheaderview.h>
+#include <QtGui/qcompleter.h>
+#include <QtGui/qstringlistmodel.h>
+#include <QtGui/qtreeview.h>
+#include <QtGui/qboxlayout.h>
+#include <QtGui/qsortfilterproxymodel.h>
+#include <QtGui/qlineedit.h>
+#include <QtGui/qstyleditemdelegate.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qmessagebox.h>
+#include <QtScript/qscriptengine.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+
+class CustomProxyModel : public QSortFilterProxyModel
+{
+public:
+ CustomProxyModel(QObject *parent = 0)
+ : QSortFilterProxyModel(parent) {}
+
+ bool hasChildren(const QModelIndex &parent) const
+ {
+ QModelIndex sourceParent = mapToSource(parent);
+ if (parent.isValid() && !sourceParent.isValid())
+ return false;
+ return sourceModel()->hasChildren(sourceParent);
+ }
+};
+
+} // namespace
+
+class QScriptDebuggerLocalsWidgetPrivate
+ : public QScriptDebuggerLocalsWidgetInterfacePrivate
+{
+ Q_DECLARE_PUBLIC(QScriptDebuggerLocalsWidget)
+public:
+ QScriptDebuggerLocalsWidgetPrivate();
+ ~QScriptDebuggerLocalsWidgetPrivate();
+
+ void complete(QLineEdit *le);
+
+ // private slots
+ void _q_onCompletionTaskFinished();
+ void _q_insertCompletion(const QString &text);
+ void _q_expandIndex(const QModelIndex &index);
+
+ QTreeView *view;
+ QPointer<QLineEdit> completingEditor;
+ QCompleter *completer;
+ CustomProxyModel *proxy;
+};
+
+QScriptDebuggerLocalsWidgetPrivate::QScriptDebuggerLocalsWidgetPrivate()
+{
+ completingEditor = 0;
+ completer = 0;
+ proxy = 0;
+}
+
+QScriptDebuggerLocalsWidgetPrivate::~QScriptDebuggerLocalsWidgetPrivate()
+{
+}
+
+void QScriptDebuggerLocalsWidgetPrivate::complete(QLineEdit *le)
+{
+ Q_Q(QScriptDebuggerLocalsWidget);
+ QScriptCompletionTaskInterface *task = 0;
+ // ### need to pass the current frame #
+ task = completionProvider->createCompletionTask(
+ le->text(), le->cursorPosition(),
+ q->localsModel()->frameIndex(), /*options=*/0);
+ QObject::connect(task, SIGNAL(finished()),
+ q, SLOT(_q_onCompletionTaskFinished()));
+ completingEditor = le;
+ task->start();
+}
+
+void QScriptDebuggerLocalsWidgetPrivate::_q_onCompletionTaskFinished()
+{
+ Q_Q(QScriptDebuggerLocalsWidget);
+ QScriptCompletionTaskInterface *task = 0;
+ task = qobject_cast<QScriptCompletionTaskInterface*>(q_func()->sender());
+ if (!completingEditor) {
+ task->deleteLater();
+ return;
+ }
+
+ if (task->resultCount() == 1) {
+ // do the completion right away
+ QString completion = task->resultAt(0);
+ completion.append(task->appendix());
+ QString tmp = completingEditor->text();
+ tmp.remove(task->position(), task->length());
+ tmp.insert(task->position(), completion);
+ completingEditor->setText(tmp);
+ completingEditor = 0;
+ } else if (task->resultCount() > 1) {
+ // popup completion
+ if (!completer) {
+ completer = new QCompleter(q);
+ completer->setCompletionMode(QCompleter::PopupCompletion);
+ completer->setCaseSensitivity(Qt::CaseSensitive);
+ completer->setWrapAround(false);
+ QObject::connect(completer, SIGNAL(activated(QString)),
+ q, SLOT(_q_insertCompletion(QString)));
+ }
+ QStringListModel *model = qobject_cast<QStringListModel*>(completer->model());
+ if (!model) {
+ model = new QStringListModel(q);
+ completer->setModel(model);
+ }
+ QStringList strings;
+ for (int i = 0; i < task->resultCount(); ++i)
+ strings.append(task->resultAt(i));
+ model->setStringList(strings);
+ QString prefix = completingEditor->text().mid(task->position(), task->length());
+ completer->setCompletionPrefix(prefix);
+ completingEditor->setCompleter(completer);
+ // we want to handle the insertion ourselves
+ QObject::disconnect(completer, 0, completingEditor, 0);
+ completer->complete();
+ }
+ task->deleteLater();
+}
+
+void QScriptDebuggerLocalsWidgetPrivate::_q_insertCompletion(const QString &text)
+{
+ Q_ASSERT(completingEditor != 0);
+ QString tmp = completingEditor->text();
+ tmp.insert(completingEditor->cursorPosition(), text.mid(completer->completionPrefix().length()));
+ completingEditor->setText(tmp);
+ completingEditor = 0;
+}
+
+void QScriptDebuggerLocalsWidgetPrivate::_q_expandIndex(const QModelIndex &index)
+{
+ view->expand(proxy->mapFromSource(index));
+}
+
+class QScriptDebuggerLocalsItemDelegate
+ : public QStyledItemDelegate
+{
+ Q_OBJECT
+public:
+ QScriptDebuggerLocalsItemDelegate(QObject *parent = 0);
+
+ QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+ void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
+ void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+ bool eventFilter(QObject *watched, QEvent *event);
+
+private Q_SLOTS:
+ void validateInput(const QString &text)
+ {
+ QWidget *editor = qobject_cast<QWidget*>(sender());
+ QPalette pal = editor->palette();
+ QColor col;
+ bool ok = (QScriptEngine::checkSyntax(text).state() == QScriptSyntaxCheckResult::Valid);
+ if (ok) {
+ col = Qt::white;
+ } else {
+ QScriptSyntaxCheckResult result = QScriptEngine::checkSyntax(
+ text + QLatin1Char('\n'));
+ if (result.state() == QScriptSyntaxCheckResult::Intermediate)
+ col = QColor(255, 240, 192);
+ else
+ col = QColor(255, 102, 102);
+ }
+ pal.setColor(QPalette::Active, QPalette::Base, col);
+ editor->setPalette(pal);
+ }
+
+private:
+ static const QWidget *widget(const QStyleOptionViewItem &option)
+ {
+ if (const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option))
+ return v3->widget;
+ return 0;
+ }
+};
+
+QScriptDebuggerLocalsItemDelegate::QScriptDebuggerLocalsItemDelegate(
+ QObject *parent)
+ : QStyledItemDelegate(parent)
+{
+}
+
+QWidget *QScriptDebuggerLocalsItemDelegate::createEditor(
+ QWidget *parent, const QStyleOptionViewItem &option,
+ const QModelIndex &index) const
+{
+ QWidget *editor = QStyledItemDelegate::createEditor(parent, option, index);
+ if (index.column() == 1) {
+ // value
+ QLineEdit *le = qobject_cast<QLineEdit*>(editor);
+ if (le) {
+ QObject::connect(le, SIGNAL(textEdited(QString)),
+ this, SLOT(validateInput(QString)));
+ }
+ }
+ return editor;
+}
+
+bool QScriptDebuggerLocalsItemDelegate::eventFilter(QObject *watched, QEvent *event)
+{
+ QLineEdit *le = qobject_cast<QLineEdit*>(watched);
+ if (!le)
+ return QStyledItemDelegate::eventFilter(watched, event);
+
+ QScriptDebuggerLocalsWidget *localsWidget = qobject_cast<QScriptDebuggerLocalsWidget*>(parent());
+ Q_ASSERT(localsWidget != 0);
+ QScriptDebuggerLocalsWidgetPrivate *lvp =
+ reinterpret_cast<QScriptDebuggerLocalsWidgetPrivate*>(
+ QScriptDebuggerLocalsWidgetPrivate::get(localsWidget));
+
+ if ((event->type() == QEvent::FocusIn) && lvp->completingEditor) {
+ // because QLineEdit insists on being difficult...
+ return true;
+ }
+
+ if (event->type() != QEvent::KeyPress)
+ return QStyledItemDelegate::eventFilter(watched, event);
+ QKeyEvent *ke = static_cast<QKeyEvent*>(event);
+ if ((ke->key() == Qt::Key_Enter) || (ke->key() == Qt::Key_Return)) {
+ if (QScriptEngine::checkSyntax(le->text()).state() != QScriptSyntaxCheckResult::Valid) {
+ // ignore when script contains syntax error
+ return true;
+ }
+ }
+ if (ke->key() != Qt::Key_Tab)
+ return QStyledItemDelegate::eventFilter(watched, event);
+
+ // trigger completion
+ lvp->complete(le);
+ return true;
+}
+
+void QScriptDebuggerLocalsItemDelegate::setModelData(
+ QWidget *editor, QAbstractItemModel *model,
+ const QModelIndex &index) const
+{
+ if (index.column() == 1) {
+ // check that the syntax is OK
+ QString expression = qobject_cast<QLineEdit*>(editor)->text();
+ if (QScriptEngine::checkSyntax(expression).state() != QScriptSyntaxCheckResult::Valid)
+ return;
+ }
+ QStyledItemDelegate::setModelData(editor, model, index);
+}
+
+void QScriptDebuggerLocalsItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
+ const QModelIndex &index) const
+{
+ QStyledItemDelegate::paint(painter, option, index);
+#if 0
+ QModelIndex parent = index.parent();
+ if (parent.isValid()) {
+ QStyledItemDelegate::paint(painter, option, index);
+ } else {
+ // this is a top-level item.
+ const QTreeView *view = qobject_cast<const QTreeView*>(widget(option));
+ Q_ASSERT(view != 0);
+
+ QStyleOptionButton buttonOption;
+
+ buttonOption.state = option.state;
+#ifdef Q_WS_MAC
+ buttonOption.state |= QStyle::State_Raised;
+#endif
+ buttonOption.state &= ~QStyle::State_HasFocus;
+
+ buttonOption.rect = option.rect;
+ buttonOption.palette = option.palette;
+ buttonOption.features = QStyleOptionButton::None;
+ view->style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter, view);
+
+ QStyleOption branchOption;
+ static const int i = 9; // ### hardcoded in qcommonstyle.cpp
+ QRect r = option.rect;
+ branchOption.rect = QRect(r.left() + i/2, r.top() + (r.height() - i)/2, i, i);
+ branchOption.palette = option.palette;
+ branchOption.state = QStyle::State_Children;
+
+ if (view->isExpanded(index))
+ branchOption.state |= QStyle::State_Open;
+
+ view->style()->drawPrimitive(QStyle::PE_IndicatorBranch, &branchOption, painter, view);
+
+ // draw text
+ QRect textrect = QRect(r.left() + i*2, r.top(), r.width() - ((5*i)/2), r.height());
+ QString text = elidedText(option.fontMetrics, textrect.width(), Qt::ElideMiddle,
+ index.data(Qt::DisplayRole).toString());
+ view->style()->drawItemText(painter, textrect, Qt::AlignCenter,
+ option.palette, view->isEnabled(), text);
+ }
+#endif
+}
+
+QScriptDebuggerLocalsWidget::QScriptDebuggerLocalsWidget(QWidget *parent)
+ : QScriptDebuggerLocalsWidgetInterface(*new QScriptDebuggerLocalsWidgetPrivate, parent, 0)
+{
+ Q_D(QScriptDebuggerLocalsWidget);
+ d->view = new QTreeView();
+ d->view->setItemDelegate(new QScriptDebuggerLocalsItemDelegate(this));
+ d->view->setEditTriggers(QAbstractItemView::DoubleClicked);
+// d->view->setEditTriggers(QAbstractItemView::NoEditTriggers);
+ d->view->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked);
+ d->view->setAlternatingRowColors(true);
+ d->view->setSelectionBehavior(QAbstractItemView::SelectRows);
+ d->view->setSortingEnabled(true);
+ d->view->header()->setDefaultAlignment(Qt::AlignLeft);
+// d->view->header()->setSortIndicatorShown(true);
+// d->view->header()->setResizeMode(QHeaderView::ResizeToContents);
+
+ QVBoxLayout *vbox = new QVBoxLayout(this);
+ vbox->setMargin(0);
+ vbox->addWidget(d->view);
+}
+
+QScriptDebuggerLocalsWidget::~QScriptDebuggerLocalsWidget()
+{
+}
+
+/*!
+ \reimp
+*/
+QScriptDebuggerLocalsModel *QScriptDebuggerLocalsWidget::localsModel() const
+{
+ Q_D(const QScriptDebuggerLocalsWidget);
+ if (!d->proxy)
+ return 0;
+ return qobject_cast<QScriptDebuggerLocalsModel*>(d->proxy->sourceModel());
+}
+
+/*!
+ \reimp
+*/
+void QScriptDebuggerLocalsWidget::setLocalsModel(QScriptDebuggerLocalsModel *model)
+{
+ Q_D(QScriptDebuggerLocalsWidget);
+ if (localsModel()) {
+ QObject::disconnect(localsModel(), 0, d->view, 0);
+ }
+ if (model) {
+ QObject::connect(model, SIGNAL(scopeObjectAvailable(QModelIndex)),
+ this, SLOT(_q_expandIndex(QModelIndex)));
+ }
+ if (!d->proxy) {
+ d->proxy = new CustomProxyModel(this);
+ d->view->sortByColumn(0, Qt::AscendingOrder);
+ }
+ d->proxy->setSourceModel(model);
+ d->view->setModel(d->proxy);
+}
+
+/*!
+ \reimp
+*/
+void QScriptDebuggerLocalsWidget::expand(const QModelIndex &index)
+{
+ Q_D(QScriptDebuggerLocalsWidget);
+ d->view->expand(index);
+ d->view->setFirstColumnSpanned(index.row(), QModelIndex(), true);
+}
+
+QT_END_NAMESPACE
+
+#include "qscriptdebuggerlocalswidget.moc"
+
+#include "moc_qscriptdebuggerlocalswidget_p.cpp"