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ScriptConsole: Use QTreeView

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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
2012-02-08 15:54:59 +01:00
parent bb4f25b748
commit ba412ee505
20 changed files with 2010 additions and 618 deletions
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src/plugins/debugger/qml/consoleitemdelegate.cpp Normal file
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "consoleitemdelegate.h"
#include "consoleeditor.h"
#include "qmlengine.h"
#include <QtGui/QPainter>
#include <QtGui/QTreeView>
const char CONSOLE_LOG_BACKGROUND_COLOR[] = "#2378B7";
const char CONSOLE_WARNING_BACKGROUND_COLOR[] = "#E6CD49";
const char CONSOLE_ERROR_BACKGROUND_COLOR[] = "#ED471A";
const char CONSOLE_EDITOR_BACKGROUND_COLOR[] = "#F7F7F7";
const char CONSOLE_LOG_TEXT_COLOR[] = "#333333";
const char CONSOLE_WARNING_TEXT_COLOR[] = "#666666";
const char CONSOLE_ERROR_TEXT_COLOR[] = "#1D5B93";
const char CONSOLE_EDITOR_TEXT_COLOR[] = "#000000";
const char CONSOLE_BORDER_COLOR[] = "#DEDEDE";
const float CONSOLE_ALPHA = 0.7f;
namespace Debugger {
namespace Internal {
///////////////////////////////////////////////////////////////////////
//
// ConsoleItemDelegate
//
///////////////////////////////////////////////////////////////////////
ConsoleItemDelegate::ConsoleItemDelegate(QObject *parent) :
QStyledItemDelegate(parent),
m_logIcon(QLatin1String(":/debugger/images/log.png")),
m_warningIcon(QLatin1String(":/debugger/images/warning.png")),
m_errorIcon(QLatin1String(":/debugger/images/error.png")),
m_expandIcon(QLatin1String(":/debugger/images/expand.png")),
m_collapseIcon(QLatin1String(":/debugger/images/collapse.png")),
m_prompt(QLatin1String(":/debugger/images/prompt.png")),
m_consoleBackend(0)
{
}
void ConsoleItemDelegate::emitSizeHintChanged(const QModelIndex &index)
{
emit sizeHintChanged(index);
}
void ConsoleItemDelegate::setConsoleBackend(ConsoleBackend *consoleBackend)
{
m_consoleBackend = consoleBackend;
}
void ConsoleItemDelegate::drawBackground(QPainter *painter, const QRect &rect,
ConsoleItemModel::ItemType itemType,
bool selected) const
{
QColor backgroundColor;
switch (itemType) {
case ConsoleItemModel::LogType:
backgroundColor = QColor(CONSOLE_LOG_BACKGROUND_COLOR);
break;
case ConsoleItemModel::WarningType:
backgroundColor = QColor(CONSOLE_WARNING_BACKGROUND_COLOR);
break;
case ConsoleItemModel::ErrorType:
backgroundColor = QColor(CONSOLE_ERROR_BACKGROUND_COLOR);
break;
case ConsoleItemModel::InputType:
backgroundColor = QColor(CONSOLE_EDITOR_BACKGROUND_COLOR);
break;
default:
backgroundColor = QColor(CONSOLE_EDITOR_BACKGROUND_COLOR);
break;
}
if (selected)
backgroundColor.setAlphaF(0.5f);
else
backgroundColor.setAlphaF(1 - CONSOLE_ALPHA);
painter->setBrush(backgroundColor);
painter->setPen(Qt::NoPen);
painter->drawRect(rect);
}
void ConsoleItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
painter->save();
//Set Colors
QColor textColor;
QIcon taskIcon;
ConsoleItemModel::ItemType type =
(ConsoleItemModel::ItemType)index.data(
ConsoleItemModel::TypeRole).toInt();
switch (type) {
case ConsoleItemModel::LogType:
textColor = QColor(CONSOLE_LOG_TEXT_COLOR);
taskIcon = m_logIcon;
break;
case ConsoleItemModel::WarningType:
textColor = QColor(CONSOLE_WARNING_TEXT_COLOR);
taskIcon = m_warningIcon;
break;
case ConsoleItemModel::ErrorType:
textColor = QColor(CONSOLE_ERROR_TEXT_COLOR);
taskIcon = m_errorIcon;
break;
case ConsoleItemModel::InputType:
textColor = QColor(CONSOLE_EDITOR_TEXT_COLOR);
taskIcon = m_prompt;
break;
default:
textColor = QColor(CONSOLE_EDITOR_TEXT_COLOR);
break;
}
//Paint background
drawBackground(painter, opt.rect, type,
bool(opt.state & QStyle::State_Selected));
//Calculate positions
const QTreeView *view = qobject_cast<const QTreeView *>(opt.widget);
int level = 0;
QModelIndex idx(index);
while (idx.parent() != QModelIndex()) {
idx = idx.parent();
level++;
}
int width = view->width() - level * view->indentation();
bool showTypeIcon = index.parent() == QModelIndex();
bool showExpandableIcon = type != ConsoleItemModel::InputType &&
type != ConsoleItemModel::UndefinedType;
QRect rect(opt.rect.x(), opt.rect.top(), width, opt.rect.height());
ConsoleItemPositions positions(rect, opt.font, showTypeIcon,
showExpandableIcon);
// Paint TaskIconArea:
if (showTypeIcon)
painter->drawPixmap(positions.adjustedLeft(), positions.adjustedTop(),
taskIcon.pixmap(positions.typeIconWidth(),
positions.typeIconHeight()));
// Set Text Color
painter->setPen(textColor);
// Paint TextArea:
// Layout the description
QTextLayout tl(index.data(Qt::DisplayRole).toString(), opt.font);
layoutText(tl, positions.textAreaWidth());
tl.draw(painter, QPoint(positions.textAreaLeft(), positions.adjustedTop()));
//skip if area is editable
if (showExpandableIcon) {
// Paint ExpandableIconArea:
QIcon expandCollapseIcon;
if (index.model()->rowCount(index)) {
if (view->isExpanded(index))
expandCollapseIcon = m_collapseIcon;
else
expandCollapseIcon = m_expandIcon;
}
painter->drawPixmap(positions.expandCollapseIconLeft(),
positions.adjustedTop(),
expandCollapseIcon.pixmap(
positions.expandCollapseIconWidth(),
positions.expandCollapseIconHeight()));
}
// Separator lines
painter->setPen(QColor(CONSOLE_BORDER_COLOR));
if (!index.flags() & Qt::ItemIsEditable)
painter->drawLine(0, opt.rect.bottom(), opt.rect.right(),
opt.rect.bottom());
painter->restore();
}
QSize ConsoleItemDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
const QTreeView *view = qobject_cast<const QTreeView *>(opt.widget);
int level = 0;
QModelIndex idx(index);
while (idx.parent() != QModelIndex()) {
idx = idx.parent();
level++;
}
int width = view->width() - level * view->indentation();
if (index.flags() & Qt::ItemIsEditable)
return QSize(width, view->height() * 1/2);
ConsoleItemModel::ItemType type =
(ConsoleItemModel::ItemType)index.data(
ConsoleItemModel::TypeRole).toInt();
bool showTypeIcon = index.parent() == QModelIndex();
bool showExpandableIcon = type != ConsoleItemModel::InputType &&
type != ConsoleItemModel::UndefinedType;
QRect rect(level * view->indentation(), 0, width, 0);
ConsoleItemPositions positions(rect, opt.font,
showTypeIcon,
showExpandableIcon);
QTextLayout tl(index.data(Qt::DisplayRole).toString(), option.font);
qreal height = layoutText(tl, positions.textAreaWidth());
height += 2 * ConsoleItemPositions::ITEM_PADDING;
if (height < positions.minimumHeight())
height = positions.minimumHeight();
return QSize(width, height);
}
QWidget *ConsoleItemDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &/*option*/,
const QModelIndex &index) const
{
ConsoleEditor *editor = new ConsoleEditor(index, m_consoleBackend, parent);
connect(editor, SIGNAL(appendEditableRow()),
this, SIGNAL(appendEditableRow()));
connect(editor, SIGNAL(editingFinished()),
this, SLOT(commitAndCloseEditor()));
return editor;
}
void ConsoleItemDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
ConsoleEditor *edtr = qobject_cast<ConsoleEditor *>(editor);
edtr->insertPlainText(index.data(Qt::DisplayRole).toString());
}
void ConsoleItemDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model,
const QModelIndex &index) const
{
ConsoleEditor *edtr = qobject_cast<ConsoleEditor *>(editor);
model->setData(index, edtr->getCurrentScript(), Qt::DisplayRole);
model->setData(index, edtr->getCurrentScript(), ConsoleItemModel::TypeRole);
}
void ConsoleItemDelegate::updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option,
const QModelIndex &/*index*/) const
{
QStyleOptionViewItemV4 opt = option;
editor->setGeometry(QRect(opt.rect.x(), opt.rect.top(),
opt.rect.width(), opt.rect.bottom()));
}
void ConsoleItemDelegate::currentChanged(const QModelIndex &current,
const QModelIndex &previous)
{
emit sizeHintChanged(current);
emit sizeHintChanged(previous);
}
void ConsoleItemDelegate::commitAndCloseEditor()
{
ConsoleEditor *editor = qobject_cast<ConsoleEditor *>(sender());
emit commitData(editor);
emit closeEditor(editor);
}
qreal ConsoleItemDelegate::layoutText(QTextLayout &tl, int width) const
{
qreal height = 0;
tl.beginLayout();
while (true) {
QTextLine line = tl.createLine();
if (!line.isValid())
break;
line.setLeadingIncluded(true);
line.setLineWidth(width);
line.setPosition(QPoint(0, height));
height += line.height();
}
tl.endLayout();
return height;
}
} //Internal
} //Debugger