forked from qt-creator/qt-creator
322 lines
11 KiB
C++
322 lines
11 KiB
C++
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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 "consoleitemdelegate.h"
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#include "consoleeditor.h"
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#include "qmlengine.h"
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#include <QtGui/QPainter>
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#include <QtGui/QTreeView>
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const char CONSOLE_LOG_BACKGROUND_COLOR[] = "#2378B7";
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const char CONSOLE_WARNING_BACKGROUND_COLOR[] = "#E6CD49";
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const char CONSOLE_ERROR_BACKGROUND_COLOR[] = "#ED471A";
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const char CONSOLE_EDITOR_BACKGROUND_COLOR[] = "#F7F7F7";
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const char CONSOLE_LOG_TEXT_COLOR[] = "#333333";
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const char CONSOLE_WARNING_TEXT_COLOR[] = "#666666";
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const char CONSOLE_ERROR_TEXT_COLOR[] = "#1D5B93";
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const char CONSOLE_EDITOR_TEXT_COLOR[] = "#000000";
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const char CONSOLE_BORDER_COLOR[] = "#DEDEDE";
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const float CONSOLE_ALPHA = 0.7f;
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namespace Debugger {
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namespace Internal {
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///////////////////////////////////////////////////////////////////////
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//
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// ConsoleItemDelegate
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//
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///////////////////////////////////////////////////////////////////////
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ConsoleItemDelegate::ConsoleItemDelegate(QObject *parent) :
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QStyledItemDelegate(parent),
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m_logIcon(QLatin1String(":/debugger/images/log.png")),
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m_warningIcon(QLatin1String(":/debugger/images/warning.png")),
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m_errorIcon(QLatin1String(":/debugger/images/error.png")),
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m_expandIcon(QLatin1String(":/debugger/images/expand.png")),
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m_collapseIcon(QLatin1String(":/debugger/images/collapse.png")),
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m_prompt(QLatin1String(":/debugger/images/prompt.png")),
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m_consoleBackend(0)
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{
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}
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void ConsoleItemDelegate::emitSizeHintChanged(const QModelIndex &index)
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{
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emit sizeHintChanged(index);
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}
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void ConsoleItemDelegate::setConsoleBackend(ConsoleBackend *consoleBackend)
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{
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m_consoleBackend = consoleBackend;
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}
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void ConsoleItemDelegate::drawBackground(QPainter *painter, const QRect &rect,
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ConsoleItemModel::ItemType itemType,
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bool selected) const
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{
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QColor backgroundColor;
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switch (itemType) {
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case ConsoleItemModel::LogType:
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backgroundColor = QColor(CONSOLE_LOG_BACKGROUND_COLOR);
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break;
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case ConsoleItemModel::WarningType:
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backgroundColor = QColor(CONSOLE_WARNING_BACKGROUND_COLOR);
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break;
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case ConsoleItemModel::ErrorType:
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backgroundColor = QColor(CONSOLE_ERROR_BACKGROUND_COLOR);
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break;
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case ConsoleItemModel::InputType:
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backgroundColor = QColor(CONSOLE_EDITOR_BACKGROUND_COLOR);
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break;
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default:
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backgroundColor = QColor(CONSOLE_EDITOR_BACKGROUND_COLOR);
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break;
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}
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if (selected)
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backgroundColor.setAlphaF(0.5f);
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else
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backgroundColor.setAlphaF(1 - CONSOLE_ALPHA);
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painter->setBrush(backgroundColor);
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painter->setPen(Qt::NoPen);
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painter->drawRect(rect);
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}
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void ConsoleItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QStyleOptionViewItemV4 opt = option;
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initStyleOption(&opt, index);
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painter->save();
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//Set Colors
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QColor textColor;
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QIcon taskIcon;
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ConsoleItemModel::ItemType type =
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(ConsoleItemModel::ItemType)index.data(
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ConsoleItemModel::TypeRole).toInt();
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switch (type) {
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case ConsoleItemModel::LogType:
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textColor = QColor(CONSOLE_LOG_TEXT_COLOR);
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taskIcon = m_logIcon;
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break;
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case ConsoleItemModel::WarningType:
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textColor = QColor(CONSOLE_WARNING_TEXT_COLOR);
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taskIcon = m_warningIcon;
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break;
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case ConsoleItemModel::ErrorType:
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textColor = QColor(CONSOLE_ERROR_TEXT_COLOR);
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taskIcon = m_errorIcon;
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break;
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case ConsoleItemModel::InputType:
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textColor = QColor(CONSOLE_EDITOR_TEXT_COLOR);
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taskIcon = m_prompt;
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break;
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default:
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textColor = QColor(CONSOLE_EDITOR_TEXT_COLOR);
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break;
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}
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//Paint background
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drawBackground(painter, opt.rect, type,
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bool(opt.state & QStyle::State_Selected));
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//Calculate positions
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const QTreeView *view = qobject_cast<const QTreeView *>(opt.widget);
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int level = 0;
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QModelIndex idx(index);
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while (idx.parent() != QModelIndex()) {
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idx = idx.parent();
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level++;
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}
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int width = view->width() - level * view->indentation();
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bool showTypeIcon = index.parent() == QModelIndex();
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bool showExpandableIcon = type != ConsoleItemModel::InputType &&
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type != ConsoleItemModel::UndefinedType;
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QRect rect(opt.rect.x(), opt.rect.top(), width, opt.rect.height());
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ConsoleItemPositions positions(rect, opt.font, showTypeIcon,
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showExpandableIcon);
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// Paint TaskIconArea:
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if (showTypeIcon)
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painter->drawPixmap(positions.adjustedLeft(), positions.adjustedTop(),
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taskIcon.pixmap(positions.typeIconWidth(),
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positions.typeIconHeight()));
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// Set Text Color
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painter->setPen(textColor);
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// Paint TextArea:
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// Layout the description
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QTextLayout tl(index.data(Qt::DisplayRole).toString(), opt.font);
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layoutText(tl, positions.textAreaWidth());
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tl.draw(painter, QPoint(positions.textAreaLeft(), positions.adjustedTop()));
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//skip if area is editable
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if (showExpandableIcon) {
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// Paint ExpandableIconArea:
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QIcon expandCollapseIcon;
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if (index.model()->rowCount(index)) {
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if (view->isExpanded(index))
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expandCollapseIcon = m_collapseIcon;
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else
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expandCollapseIcon = m_expandIcon;
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}
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painter->drawPixmap(positions.expandCollapseIconLeft(),
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positions.adjustedTop(),
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expandCollapseIcon.pixmap(
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positions.expandCollapseIconWidth(),
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positions.expandCollapseIconHeight()));
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}
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// Separator lines
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painter->setPen(QColor(CONSOLE_BORDER_COLOR));
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if (!index.flags() & Qt::ItemIsEditable)
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painter->drawLine(0, opt.rect.bottom(), opt.rect.right(),
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opt.rect.bottom());
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painter->restore();
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}
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QSize ConsoleItemDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QStyleOptionViewItemV4 opt = option;
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initStyleOption(&opt, index);
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const QTreeView *view = qobject_cast<const QTreeView *>(opt.widget);
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int level = 0;
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QModelIndex idx(index);
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while (idx.parent() != QModelIndex()) {
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idx = idx.parent();
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level++;
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}
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int width = view->width() - level * view->indentation();
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if (index.flags() & Qt::ItemIsEditable)
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return QSize(width, view->height() * 1/2);
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ConsoleItemModel::ItemType type =
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(ConsoleItemModel::ItemType)index.data(
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ConsoleItemModel::TypeRole).toInt();
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bool showTypeIcon = index.parent() == QModelIndex();
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bool showExpandableIcon = type != ConsoleItemModel::InputType &&
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type != ConsoleItemModel::UndefinedType;
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QRect rect(level * view->indentation(), 0, width, 0);
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ConsoleItemPositions positions(rect, opt.font,
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showTypeIcon,
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showExpandableIcon);
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QTextLayout tl(index.data(Qt::DisplayRole).toString(), option.font);
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qreal height = layoutText(tl, positions.textAreaWidth());
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height += 2 * ConsoleItemPositions::ITEM_PADDING;
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if (height < positions.minimumHeight())
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height = positions.minimumHeight();
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return QSize(width, height);
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}
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QWidget *ConsoleItemDelegate::createEditor(QWidget *parent,
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const QStyleOptionViewItem &/*option*/,
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const QModelIndex &index) const
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{
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ConsoleEditor *editor = new ConsoleEditor(index, m_consoleBackend, parent);
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connect(editor, SIGNAL(appendEditableRow()),
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this, SIGNAL(appendEditableRow()));
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connect(editor, SIGNAL(editingFinished()),
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this, SLOT(commitAndCloseEditor()));
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return editor;
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}
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void ConsoleItemDelegate::setEditorData(QWidget *editor,
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const QModelIndex &index) const
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{
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ConsoleEditor *edtr = qobject_cast<ConsoleEditor *>(editor);
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edtr->insertPlainText(index.data(Qt::DisplayRole).toString());
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}
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void ConsoleItemDelegate::setModelData(QWidget *editor,
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QAbstractItemModel *model,
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const QModelIndex &index) const
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{
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ConsoleEditor *edtr = qobject_cast<ConsoleEditor *>(editor);
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model->setData(index, edtr->getCurrentScript(), Qt::DisplayRole);
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model->setData(index, edtr->getCurrentScript(), ConsoleItemModel::TypeRole);
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}
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void ConsoleItemDelegate::updateEditorGeometry(QWidget *editor,
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const QStyleOptionViewItem &option,
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const QModelIndex &/*index*/) const
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{
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QStyleOptionViewItemV4 opt = option;
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editor->setGeometry(QRect(opt.rect.x(), opt.rect.top(),
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opt.rect.width(), opt.rect.bottom()));
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}
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void ConsoleItemDelegate::currentChanged(const QModelIndex ¤t,
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const QModelIndex &previous)
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{
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emit sizeHintChanged(current);
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emit sizeHintChanged(previous);
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}
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void ConsoleItemDelegate::commitAndCloseEditor()
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{
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ConsoleEditor *editor = qobject_cast<ConsoleEditor *>(sender());
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emit commitData(editor);
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emit closeEditor(editor);
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}
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qreal ConsoleItemDelegate::layoutText(QTextLayout &tl, int width) const
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{
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qreal height = 0;
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tl.beginLayout();
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while (true) {
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QTextLine line = tl.createLine();
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if (!line.isValid())
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break;
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line.setLeadingIncluded(true);
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line.setLineWidth(width);
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line.setPosition(QPoint(0, height));
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height += line.height();
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}
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tl.endLayout();
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return height;
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}
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} //Internal
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} //Debugger
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