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/*
* SPDX-FileCopyrightText: 2012 Peter Penz <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kitemlistroleeditor.h"
#include <KIO/Global>
KItemListRoleEditor::KItemListRoleEditor(QWidget *parent) :
KTextEdit(parent),
m_role(),
m_blockFinishedSignal(false)
{
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setAcceptRichText(false);
enableFindReplace(false);
document()->setDocumentMargin(0);
if (parent) {
parent->installEventFilter(this);
}
connect(this, &KItemListRoleEditor::textChanged, this, &KItemListRoleEditor::autoAdjustSize);
}
KItemListRoleEditor::~KItemListRoleEditor()
{
}
void KItemListRoleEditor::setRole(const QByteArray& role)
{
m_role = role;
}
QByteArray KItemListRoleEditor::role() const
{
return m_role;
}
void KItemListRoleEditor::setAllowUpDownKeyChainEdit(bool allowChainEdit)
{
m_allowUpDownKeyChainEdit = allowChainEdit;
}
bool KItemListRoleEditor::eventFilter(QObject* watched, QEvent* event)
{
if (watched == parentWidget() && event->type() == QEvent::Resize) {
emitRoleEditingFinished();
}
return KTextEdit::eventFilter(watched, event);
}
bool KItemListRoleEditor::event(QEvent* event)
{
if (event->type() == QEvent::FocusOut) {
QFocusEvent* focusEvent = static_cast<QFocusEvent*>(event);
if (focusEvent->reason() != Qt::PopupFocusReason) {
emitRoleEditingFinished();
}
}
return KTextEdit::event(event);
}
void KItemListRoleEditor::keyPressEvent(QKeyEvent* event)
{
switch (event->key()) {
case Qt::Key_Escape:
// Emitting the signal roleEditingCanceled might result
// in losing the focus. Per default losing the focus emits
// a roleEditingFinished signal (see KItemListRoleEditor::event),
// which is not wanted in this case.
m_blockFinishedSignal = true;
Q_EMIT roleEditingCanceled(m_role, KIO::encodeFileName(toPlainText()));
m_blockFinishedSignal = false;
event->accept();
return;
case Qt::Key_Enter:
case Qt::Key_Return:
emitRoleEditingFinished();
event->accept();
return;
case Qt::Key_Tab:
case Qt::Key_Down:
if (m_allowUpDownKeyChainEdit || event->key() == Qt::Key_Tab) {
emitRoleEditingFinished(EditNext);
event->accept();
return;
}
break;
case Qt::Key_Backtab:
case Qt::Key_Up:
if (m_allowUpDownKeyChainEdit || event->key() == Qt::Key_Backtab) {
emitRoleEditingFinished(EditPrevious);
event->accept();
return;
}
break;
case Qt::Key_Left:
case Qt::Key_Right: {
QTextCursor cursor = textCursor();
if (event->modifiers() == Qt::NoModifier && cursor.hasSelection()) {
if (event->key() == Qt::Key_Left) {
cursor.setPosition(cursor.selectionStart());
} else {
cursor.setPosition(cursor.selectionEnd());
}
cursor.clearSelection();
setTextCursor(cursor);
event->accept();
return;
}
break;
}
case Qt::Key_Home:
case Qt::Key_End: {
if (event->modifiers() == Qt::NoModifier || event->modifiers() == Qt::ShiftModifier) {
const QTextCursor::MoveOperation op = event->key() == Qt::Key_Home
? QTextCursor::Start
: QTextCursor::End;
const QTextCursor::MoveMode mode = event->modifiers() == Qt::NoModifier
? QTextCursor::MoveAnchor
: QTextCursor::KeepAnchor;
QTextCursor cursor = textCursor();
cursor.movePosition(op, mode);
setTextCursor(cursor);
event->accept();
return;
}
break;
}
default:
break;
}
KTextEdit::keyPressEvent(event);
}
void KItemListRoleEditor::autoAdjustSize()
{
const qreal frameBorder = 2 * frameWidth();
const qreal requiredWidth = document()->size().width();
const qreal availableWidth = size().width() - frameBorder;
if (requiredWidth > availableWidth) {
qreal newWidth = requiredWidth + frameBorder;
if (parentWidget() && pos().x() + newWidth > parentWidget()->width()) {
newWidth = parentWidget()->width() - pos().x();
}
resize(newWidth, size().height());
}
const qreal requiredHeight = document()->size().height();
const qreal availableHeight = size().height() - frameBorder;
if (requiredHeight > availableHeight) {
qreal newHeight = requiredHeight + frameBorder;
if (parentWidget() && pos().y() + newHeight > parentWidget()->height()) {
newHeight = parentWidget()->height() - pos().y();
}
resize(size().width(), newHeight);
}
}
void KItemListRoleEditor::emitRoleEditingFinished(EditResultDirection direction)
{
QVariant ret;
ret.setValue(EditResult {KIO::encodeFileName(toPlainText()), direction});
if (!m_blockFinishedSignal) {
Q_EMIT roleEditingFinished(m_role, ret);
}
}
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