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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "eventlistdelegate.h"
#include "eventlist.h"
#include "eventlistview.h"
#include "nodelistview.h"
#include "qnamespace.h"
#include "shortcutwidget.h"
#include "eventlistutils.h"
#include <QApplication>
#include <QLineEdit>
#include <QPainter>
#include <QStyleOptionButton>
#include <QTableView>
#include <QMouseEvent>
namespace QmlDesigner {
EventListDelegate::EventListDelegate(QObject *parent)
: QStyledItemDelegate(parent)
{}
QWidget *EventListDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.column() == EventListModel::shortcutColumn) {
auto *editor = new ShortcutWidget(parent);
connect(editor, &ShortcutWidget::done, this, &EventListDelegate::commitAndClose);
connect(editor, &ShortcutWidget::cancel, this, &EventListDelegate::close);
return editor;
} else if (index.column() == EventListModel::connectColumn) {
return nullptr;
}
return QStyledItemDelegate::createEditor(parent, option, index);
}
void EventListDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model,
const QModelIndex &index) const
{
if (index.column() == EventListModel::idColumn) {
if (auto *edit = qobject_cast<QLineEdit *>(editor)) {
QString name = edit->text();
QString unique = uniqueName(model, name);
if (name != unique) {
name = unique;
edit->setText(unique);
}
emit eventIdChanged(model->data(index, Qt::DisplayRole).toString(), name);
}
} else if (index.column() == EventListModel::shortcutColumn) {
if (auto *edit = qobject_cast<ShortcutWidget *>(editor)) {
auto idIndex = model->index(index.row(), EventListModel::idColumn, index.parent());
if (idIndex.isValid()) {
emit shortcutChanged(model->data(idIndex, Qt::DisplayRole).toString(), edit->text());
model->setData(index, edit->text(), Qt::DisplayRole);
return;
}
}
} else if (index.column() == EventListModel::descriptionColumn) {
if (auto *edit = qobject_cast<QLineEdit *>(editor)) {
auto idIndex = model->index(index.row(), EventListModel::idColumn, index.parent());
if (idIndex.isValid()) {
auto id = model->data(idIndex, Qt::DisplayRole).toString();
emit descriptionChanged(id, edit->text());
}
}
}
QStyledItemDelegate::setModelData(editor, model, index);
}
bool EventListDelegate::hasConnectionColumn(QObject *parent)
{
if (auto *table = qobject_cast<QTableView *>(parent))
return !table->isColumnHidden(EventListModel::connectColumn);
return false;
}
QRect EventListDelegate::connectButtonRect(const QStyleOptionViewItem &option)
{
return option.rect.adjusted(3, 3, -3, -3);
}
void EventListDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (hasConnectionColumn(parent())) {
bool connected = index.data(EventListModel::connectedRole).toBool();
if (connected) {
QStyleOptionViewItem opt(option);
opt.state = QStyle::State_Selected;
QStyledItemDelegate::paint(painter, opt, index);
if (index.column() != EventListModel::connectColumn)
return;
}
if (index.column() == EventListModel::connectColumn) {
QStyleOptionButton button;
button.rect = connectButtonRect(option);
button.text = connected ? tr("Release") : tr("Connect");
button.state = QStyle::State_Enabled;
QApplication::style()->drawControl(QStyle::CE_PushButton, &button, painter);
return;
}
}
QStyledItemDelegate::paint(painter, option, index);
}
bool EventListDelegate::editorEvent(QEvent *event,
QAbstractItemModel *model,
const QStyleOptionViewItem &option,
const QModelIndex &index)
{
if (index.column() == EventListModel::connectColumn) {
if (event->type() == QEvent::MouseButtonRelease) {
QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
if (connectButtonRect(option).contains(mouseEvent->pos())) {
if (QModelIndex sib = index.siblingAtColumn(EventListModel::idColumn); sib.isValid()) {
auto id = sib.data().toString();
bool connected = index.data(EventListModel::connectedRole).toBool();
for (int c = 0; c < model->columnCount(); ++c) {
auto id = model->index(index.row(), c, index.parent());
model->setData(id, !connected, EventListModel::connectedRole);
}
emit connectClicked(id, !connected);
return true;
}
}
}
}
return QStyledItemDelegate::editorEvent(event, model, option, index);
}
bool EventListDelegate::eventFilter(QObject *editor, QEvent *event)
{
if (auto *edit = qobject_cast<ShortcutWidget *>(editor)) {
if (event->type() == QEvent::KeyPress) {
edit->recordKeysequence(static_cast<QKeyEvent *>(event));
return true;
}
if (event->type() == QEvent::FocusOut) {
if (!edit->containsFocus())
edit->reset();
}
} else {
if (event->type() == QEvent::KeyPress) {
int key = static_cast<QKeyEvent *>(event)->key();
if (key == Qt::Key_Tab || key == Qt::Key_Backtab)
return false;
}
}
return QStyledItemDelegate::eventFilter(editor, event);
}
QSize EventListDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (index.column() == EventListModel::connectColumn) {
QSize size = QStyledItemDelegate::sizeHint(option, index);
size.rwidth() = 20;
return size;
}
return QStyledItemDelegate::sizeHint(option, index);
}
void EventListDelegate::commitAndClose()
{
if (auto *editor = qobject_cast<ShortcutWidget *>(sender())) {
emit commitData(editor);
emit closeEditor(editor);
}
}
void EventListDelegate::close()
{
if (auto *editor = qobject_cast<ShortcutWidget *>(sender()))
emit closeEditor(editor);
}
} // namespace QmlDesigner.
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