forked from qt-creator/qt-creator
ScriptConsole: Use QTreeView
Use QTreeView instead of modified QPlainTextEdit to show the console. Using a QTreeView gives more control over output display as well as separates out the model from the view. Change-Id: I436b13ed042c00d09d6de627b442bfd8d10d2236 Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
This commit is contained in:
Aurindam Jana
278
src/plugins/debugger/qml/consoleeditor.cpp
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278
src/plugins/debugger/qml/consoleeditor.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#include "consoleeditor.h"
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#include "consoleitemmodel.h"
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#include "consoleitemdelegate.h"
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#include "consolebackend.h"
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#include "debuggerstringutils.h"
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#include <utils/qtcassert.h>
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#include <QtGui/QMenu>
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#include <QtGui/QKeyEvent>
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namespace Debugger {
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namespace Internal {
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///////////////////////////////////////////////////////////////////////
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//
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// ConsoleEditor
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//
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///////////////////////////////////////////////////////////////////////
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ConsoleEditor::ConsoleEditor(const QModelIndex &index,
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ConsoleBackend *backend,
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QWidget *parent) :
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QTextEdit(parent),
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m_consoleBackend(backend),
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m_historyIndex(index),
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m_prompt(QLatin1String(":/debugger/images/prompt.png")),
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m_startOfEditableArea(0)
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{
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setFrameStyle(QFrame::NoFrame);
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setUndoRedoEnabled(false);
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setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
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document()->addResource(QTextDocument::ImageResource,
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QUrl(QLatin1String("prompt")), m_prompt);
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QTextImageFormat format;
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format.setName(QLatin1String("prompt"));
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format.setHeight(9);
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format.setWidth(9);
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textCursor().insertImage(format);
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textCursor().insertText(QLatin1String(" "));
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m_startOfEditableArea = textCursor().position();
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ensureCursorVisible();
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setTextInteractionFlags(Qt::TextEditorInteraction);
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}
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void ConsoleEditor::keyPressEvent(QKeyEvent *e)
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{
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bool keyConsumed = false;
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switch (e->key()) {
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case Qt::Key_Return:
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case Qt::Key_Enter:
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if (m_consoleBackend) {
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m_consoleBackend->evaluate(getCurrentScript(), &keyConsumed);
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if (keyConsumed) {
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emit editingFinished();
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emit appendEditableRow();
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//emit error message if there is an error
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m_consoleBackend->emitErrorMessage();
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}
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} else {
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emit editingFinished();
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emit appendEditableRow();
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keyConsumed = true;
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}
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break;
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case Qt::Key_Backspace:
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if (textCursor().selectionStart() <= m_startOfEditableArea)
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keyConsumed = true;
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break;
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case Qt::Key_Delete:
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if (textCursor().selectionStart() < m_startOfEditableArea)
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keyConsumed = true;
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break;
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case Qt::Key_Home:
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{
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QTextCursor c(textCursor());
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c.setPosition(m_startOfEditableArea);
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setTextCursor(c);
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keyConsumed = true;
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}
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break;
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case Qt::Key_Up:
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handleUpKey();
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keyConsumed = true;
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break;
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case Qt::Key_Down:
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handleDownKey();
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keyConsumed = true;
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break;
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// Ctrl+Left: Moves the cursor one word to the left.
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// Left: Moves the cursor one character to the left.
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case Qt::Key_Left:
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if (textCursor().position() <= m_startOfEditableArea
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|| e->modifiers() & Qt::ControlModifier) {
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QTextCursor c(textCursor());
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c.setPosition(m_startOfEditableArea);
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setTextCursor(c);
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keyConsumed = true;
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}
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break;
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// Ctrl+Right: Moves the cursor one word to the right.
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// Right: Moves the cursor one character to the right.
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case Qt::Key_Right:
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if ( !(e->modifiers() & Qt::ControlModifier)
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&& textCursor().position() <= m_startOfEditableArea) {
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QTextCursor c(textCursor());
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c.setPosition(m_startOfEditableArea);
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setTextCursor(c);
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keyConsumed = true;
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}
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break;
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// Ctrl+C, Ctrl+Insert: Allow to Copy the selected text to the clipboard.
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case Qt::Key_C:
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case Qt::Key_Insert:
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if (textCursor().selectionStart() < m_startOfEditableArea &&
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!(e->modifiers() & Qt::ControlModifier))
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keyConsumed = true;
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break;
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default:
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// Disallow any other keys in the prompt area
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if (textCursor().selectionStart() < m_startOfEditableArea)
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keyConsumed = true;
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break;
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}
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if (!keyConsumed)
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QTextEdit::keyPressEvent(e);
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}
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void ConsoleEditor::contextMenuEvent(QContextMenuEvent *event)
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{
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QTextCursor cursor = textCursor();
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bool editable = cursor.position() > m_startOfEditableArea;
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QMenu *menu = new QMenu();
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QAction *a;
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a = menu->addAction(tr("Cu&t"), this, SLOT(cut()));
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a->setEnabled(cursor.hasSelection() && editable);
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a = menu->addAction(tr("&Copy"), this, SLOT(copy()));
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a->setEnabled(cursor.hasSelection());
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a = menu->addAction(tr("&Paste"), this, SLOT(paste()));
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a->setEnabled(canPaste() && editable);
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menu->addSeparator();
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a = menu->addAction(tr("Select &All"), this, SLOT(selectAll()));
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a->setEnabled(!document()->isEmpty());
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menu->addSeparator();
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menu->addAction(tr("C&lear"), this, SLOT(clear()));
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menu->exec(event->globalPos());
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delete menu;
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}
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void ConsoleEditor::focusOutEvent(QFocusEvent * /*e*/)
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{
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emit editingFinished();
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}
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void ConsoleEditor::handleUpKey()
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{
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QTC_ASSERT(m_historyIndex.isValid(), return);
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int currentRow = m_historyIndex.row();
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const QAbstractItemModel *model = m_historyIndex.model();
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if (currentRow == model->rowCount() - 1)
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m_cachedScript = getCurrentScript();
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while (currentRow) {
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currentRow--;
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if (model->hasIndex(currentRow, 0)) {
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QModelIndex index = model->index(currentRow, 0);
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if (ConsoleItemModel::InputType ==
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(ConsoleItemModel::ItemType)model->data(
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index, ConsoleItemModel::TypeRole).toInt()) {
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m_historyIndex = index;
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replaceCurrentScript(model->data(
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index, Qt::DisplayRole).
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toString());
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break;
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}
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}
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}
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}
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void ConsoleEditor::handleDownKey()
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{
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QTC_ASSERT(m_historyIndex.isValid(), return);
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int currentRow = m_historyIndex.row();
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const QAbstractItemModel *model = m_historyIndex.model();
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while (currentRow < model->rowCount() - 1) {
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currentRow++;
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if (model->hasIndex(currentRow, 0)) {
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QModelIndex index = model->index(currentRow, 0);
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if (ConsoleItemModel::InputType ==
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(ConsoleItemModel::ItemType)model->data(
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index, ConsoleItemModel::TypeRole).toInt()) {
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m_historyIndex = index;
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if (currentRow == model->rowCount() - 1)
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replaceCurrentScript(m_cachedScript);
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else
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replaceCurrentScript(model->data(
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index, Qt::DisplayRole).
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toString());
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break;
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}
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}
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}
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}
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QString ConsoleEditor::getCurrentScript() const
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{
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QTextCursor cursor = textCursor();
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cursor.setPosition(m_startOfEditableArea);
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cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
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QString script = cursor.selectedText();
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//remove WS
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return script.trimmed();
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}
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void ConsoleEditor::replaceCurrentScript(const QString &script)
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{
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QTextCursor cursor = textCursor();
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cursor.setPosition(m_startOfEditableArea);
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cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
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cursor.removeSelectedText();
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cursor.insertText(script);
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setTextCursor(cursor);
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}
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} //Internal
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} //Debugger
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