-/***************************************************************************
- * Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> *
- * *
- * Based on the Itemviews NG project from Trolltech Labs: *
- * http://qt.gitorious.org/qt-labs/itemviews-ng *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * Based on the Itemviews NG project from Trolltech Labs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
#include "kitemlistwidget.h"
#include "kitemlistview.h"
-#include "kitemmodelbase.h"
-
#include "private/kitemlistselectiontoggle.h"
+#include <KConfigGroup>
+#include <KSharedConfig>
#include <QApplication>
#include <QPainter>
}
KItemListWidget::KItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
- QGraphicsWidget(parent, 0),
+ QGraphicsWidget(parent),
m_informant(informant),
m_index(-1),
m_selected(false),
m_styleOption(),
m_siblingsInfo(),
m_hoverOpacity(0),
- m_hoverCache(0),
- m_hoverAnimation(0),
- m_selectionToggle(0),
+ m_hoverCache(nullptr),
+ m_hoverAnimation(nullptr),
+ m_hoverSequenceIndex(0),
+ m_selectionToggle(nullptr),
m_editedRole()
{
+ connect(&m_hoverSequenceTimer, &QTimer::timeout, this, &KItemListWidget::slotHoverSequenceTimerTimeout);
}
KItemListWidget::~KItemListWidget()
{
if (m_index != index) {
delete m_selectionToggle;
- m_selectionToggle = 0;
+ m_selectionToggle = nullptr;
if (m_hoverAnimation) {
m_hoverAnimation->stop();
m_data = data;
dataChanged(m_data);
} else {
- foreach (const QByteArray& role, roles) {
+ for (const QByteArray& role : roles) {
m_data[role] = data[role];
}
dataChanged(m_data, roles);
void KItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
- Q_UNUSED(option);
+ Q_UNUSED(option)
if (m_alternateBackground) {
const QColor backgroundColor = m_styleOption.palette.color(QPalette::AlternateBase);
if (m_current && m_editedRole.isEmpty()) {
QStyleOptionFocusRect focusRectOption;
- focusRectOption.initFrom(widget);
+ initStyleOption(&focusRectOption);
focusRectOption.rect = textFocusRect().toRect();
focusRectOption.state = QStyle::State_Enabled | QStyle::State_Item | QStyle::State_KeyboardFocusChange;
if (m_selected) {
void KItemListWidget::setColumnWidth(const QByteArray& role, qreal width)
{
- if (m_columnWidths.value(role) != width) {
- const qreal previousWidth = width;
+ const qreal previousWidth = m_columnWidths.value(role);
+ if (previousWidth != width) {
m_columnWidths.insert(role, width);
columnWidthChanged(role, width, previousWidth);
update();
void KItemListWidget::setStyleOption(const KItemListStyleOption& option)
{
+ if (m_styleOption == option) {
+ return;
+ }
+
const KItemListStyleOption previous = m_styleOption;
clearHoverCache();
m_styleOption = option;
-
styleOptionChanged(option, previous);
update();
}
}
m_hoverAnimation->stop();
+ m_hoverSequenceIndex = 0;
+
if (hovered) {
const qreal startValue = qMax(hoverOpacity(), qreal(0.1));
m_hoverAnimation->setStartValue(startValue);
if (m_enabledSelectionToggle && !(QApplication::mouseButtons() & Qt::LeftButton)) {
initializeSelectionToggle();
}
+
+ hoverSequenceStarted();
+
+ const KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings");
+ const int interval = globalConfig.readEntry("HoverSequenceInterval", 700);
+
+ m_hoverSequenceTimer.start(interval);
} else {
m_hoverAnimation->setStartValue(hoverOpacity());
m_hoverAnimation->setEndValue(0.0);
+
+ hoverSequenceEnded();
+ m_hoverSequenceTimer.stop();
}
m_hoverAnimation->start();
const bool wasHovered = m_hovered;
setAlternateBackground(false);
- setSelected(false);
setHovered(false);
paint(&painter, option, widget);
void KItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& current,
const QSet<QByteArray>& roles)
{
- Q_UNUSED(current);
- Q_UNUSED(roles);
+ Q_UNUSED(current)
+ Q_UNUSED(roles)
}
void KItemListWidget::visibleRolesChanged(const QList<QByteArray>& current,
const QList<QByteArray>& previous)
{
- Q_UNUSED(current);
- Q_UNUSED(previous);
+ Q_UNUSED(current)
+ Q_UNUSED(previous)
}
void KItemListWidget::columnWidthChanged(const QByteArray& role,
qreal current,
qreal previous)
{
- Q_UNUSED(role);
- Q_UNUSED(current);
- Q_UNUSED(previous);
+ Q_UNUSED(role)
+ Q_UNUSED(current)
+ Q_UNUSED(previous)
}
void KItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
const KItemListStyleOption& previous)
{
- Q_UNUSED(current);
- Q_UNUSED(previous);
+ Q_UNUSED(current)
+ Q_UNUSED(previous)
}
void KItemListWidget::currentChanged(bool current)
{
- Q_UNUSED(current);
+ Q_UNUSED(current)
}
void KItemListWidget::selectedChanged(bool selected)
{
- Q_UNUSED(selected);
+ Q_UNUSED(selected)
}
void KItemListWidget::hoveredChanged(bool hovered)
{
- Q_UNUSED(hovered);
+ Q_UNUSED(hovered)
}
void KItemListWidget::alternateBackgroundChanged(bool enabled)
{
- Q_UNUSED(enabled);
+ Q_UNUSED(enabled)
}
void KItemListWidget::siblingsInformationChanged(const QBitArray& current, const QBitArray& previous)
{
- Q_UNUSED(current);
- Q_UNUSED(previous);
+ Q_UNUSED(current)
+ Q_UNUSED(previous)
}
void KItemListWidget::editedRoleChanged(const QByteArray& current, const QByteArray& previous)
{
- Q_UNUSED(current);
- Q_UNUSED(previous);
+ Q_UNUSED(current)
+ Q_UNUSED(previous)
}
void KItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
}
}
+void KItemListWidget::hoverSequenceStarted()
+{
+}
+
+void KItemListWidget::hoverSequenceIndexChanged(int sequenceIndex)
+{
+ Q_UNUSED(sequenceIndex);
+}
+
+void KItemListWidget::hoverSequenceEnded()
+{
+}
+
qreal KItemListWidget::hoverOpacity() const
{
return m_hoverOpacity;
}
+int KItemListWidget::hoverSequenceIndex() const
+{
+ return m_hoverSequenceIndex;
+}
+
void KItemListWidget::slotHoverAnimationFinished()
{
if (!m_hovered && m_selectionToggle) {
m_selectionToggle->deleteLater();
- m_selectionToggle = 0;
+ m_selectionToggle = nullptr;
}
}
+void KItemListWidget::slotHoverSequenceTimerTimeout()
+{
+ m_hoverSequenceIndex++;
+ hoverSequenceIndexChanged(m_hoverSequenceIndex);
+}
+
void KItemListWidget::initializeSelectionToggle()
{
Q_ASSERT(m_enabledSelectionToggle);
if (m_hoverOpacity <= 0.0) {
delete m_hoverCache;
- m_hoverCache = 0;
+ m_hoverCache = nullptr;
}
update();
void KItemListWidget::clearHoverCache()
{
delete m_hoverCache;
- m_hoverCache = 0;
+ m_hoverCache = nullptr;
}
void KItemListWidget::drawItemStyleOption(QPainter* painter, QWidget* widget, QStyle::State styleState)
{
- QStyleOptionViewItemV4 viewItemOption;
- viewItemOption.initFrom(widget);
+ QStyleOptionViewItem viewItemOption;
+ initStyleOption(&viewItemOption);
viewItemOption.state = styleState;
- viewItemOption.viewItemPosition = QStyleOptionViewItemV4::OnlyOne;
+ viewItemOption.viewItemPosition = QStyleOptionViewItem::OnlyOne;
viewItemOption.showDecorationSelected = true;
viewItemOption.rect = selectionRect().toRect();
- widget->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &viewItemOption, painter, widget);
+ style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &viewItemOption, painter, widget);
}