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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "delegates.h"
#include "completinglineedit.h"
#include <QPainter>
#include <QApplication>
#include <QCompleter>
using namespace Utils;
AnnotatedItemDelegate::AnnotatedItemDelegate(QObject *parent) : QStyledItemDelegate(parent)
{}
AnnotatedItemDelegate::~AnnotatedItemDelegate() = default;
void AnnotatedItemDelegate::setAnnotationRole(int role)
{
m_annotationRole = role;
}
int AnnotatedItemDelegate::annotationRole() const
{
return m_annotationRole;
}
void AnnotatedItemDelegate::setDelimiter(const QString &delimiter)
{
m_delimiter = delimiter;
}
const QString &AnnotatedItemDelegate::delimiter() const
{
return m_delimiter;
}
void AnnotatedItemDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
QStyle *style = QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
QString annotation = index.data(m_annotationRole).toString();
if (!annotation.isEmpty()) {
int newlinePos = annotation.indexOf(QLatin1Char('\n'));
if (newlinePos != -1) {
// print first line with '...' at end
const QChar ellipsisChar(0x2026);
annotation = annotation.left(newlinePos) + ellipsisChar;
}
QPalette disabled(opt.palette);
disabled.setCurrentColorGroup(QPalette::Disabled);
painter->save();
painter->setPen(disabled.color(QPalette::WindowText));
static int extra = opt.fontMetrics.horizontalAdvance(m_delimiter) + 10;
const QPixmap &pixmap = opt.icon.pixmap(opt.decorationSize);
const QRect &iconRect = style->itemPixmapRect(opt.rect, opt.decorationAlignment, pixmap);
const QRect &displayRect = style->itemTextRect(opt.fontMetrics, opt.rect,
opt.displayAlignment, true, index.data(Qt::DisplayRole).toString());
QRect annotationRect = style->itemTextRect(opt.fontMetrics, opt.rect,
opt.displayAlignment, true, annotation);
annotationRect.adjust(iconRect.width() + displayRect.width() + extra, 0,
iconRect.width() + displayRect.width() + extra, 0);
QApplication::style()->drawItemText(painter, annotationRect,
Qt::AlignLeft | Qt::AlignBottom, disabled, true, annotation);
painter->restore();
}
}
QSize AnnotatedItemDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
const QString &annotation = index.data(m_annotationRole).toString();
if (!annotation.isEmpty())
opt.text += m_delimiter + annotation;
return QApplication::style()->sizeFromContents(QStyle::CT_ItemViewItem, &opt, QSize(), nullptr);
}
PathChooserDelegate::PathChooserDelegate(QObject *parent)
: QStyledItemDelegate(parent)
{
}
void PathChooserDelegate::setExpectedKind(Utils::PathChooser::Kind kind)
{
m_kind = kind;
}
void PathChooserDelegate::setPromptDialogFilter(const QString &filter)
{
m_filter = filter;
}
QWidget *PathChooserDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(option);
Q_UNUSED(index);
auto editor = new Utils::PathChooser(parent);
editor->setHistoryCompleter(m_historyKey);
editor->setAutoFillBackground(true); // To hide the text beneath the editor widget
editor->lineEdit()->setMinimumWidth(0);
connect(editor, &Utils::PathChooser::browsingFinished, this, [this, editor]() {
emit const_cast<PathChooserDelegate*>(this)->commitData(editor);
});
return editor;
}
void PathChooserDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
if (auto *pathChooser = qobject_cast<Utils::PathChooser *>(editor)) {
pathChooser->setExpectedKind(m_kind);
pathChooser->setPromptDialogFilter(m_filter);
pathChooser->setPath(index.model()->data(index, Qt::EditRole).toString());
}
}
void PathChooserDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
auto pathChooser = qobject_cast<Utils::PathChooser *>(editor);
if (!pathChooser)
return;
model->setData(index, pathChooser->path(), Qt::EditRole);
}
void PathChooserDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(index);
editor->setGeometry(option.rect);
}
void PathChooserDelegate::setHistoryCompleter(const QString &key)
{
m_historyKey = key;
}
CompleterDelegate::CompleterDelegate(const QStringList &candidates, QObject *parent)
: CompleterDelegate(new QCompleter(candidates, parent))
{ }
CompleterDelegate::CompleterDelegate(QAbstractItemModel *model, QObject *parent)
: CompleterDelegate(new QCompleter(model, parent))
{ }
CompleterDelegate::CompleterDelegate(QCompleter *completer, QObject *parent)
: QStyledItemDelegate(parent)
, m_completer(completer)
{ }
CompleterDelegate::~CompleterDelegate()
{
if (m_completer)
delete m_completer;
}
QWidget *CompleterDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
Q_UNUSED(option);
Q_UNUSED(index);
auto edit = new CompletingLineEdit(parent);
edit->setCompleter(m_completer);
return edit;
}
void CompleterDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
if (auto *edit = qobject_cast<CompletingLineEdit *>(editor))
edit->setText(index.model()->data(index, Qt::EditRole).toString());
}
void CompleterDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model,
const QModelIndex &index) const
{
if (auto edit = qobject_cast<CompletingLineEdit *>(editor))
model->setData(index, edit->text(), Qt::EditRole);
}
void CompleterDelegate::updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
Q_UNUSED(index);
editor->setGeometry(option.rect);
}
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