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/*
SPDX-FileCopyrightText: 2011 Marco Martin <mart@kde.org>
SPDX-FileCopyrightText: 2014 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "iconitem.h"
#include "imagetexturescache.h"
#include "managedtexturenode.h"
#include <QIcon>
Q_GLOBAL_STATIC(ImageTexturesCache, s_iconImageCache)
IconItem::IconItem(QQuickItem *parent)
: QQuickItem(parent)
, m_smooth(false)
, m_state(DefaultState)
, m_changed(false)
{
setFlag(ItemHasContents, true);
}
IconItem::~IconItem()
{
}
void IconItem::setIcon(const QVariant &icon)
{
if (icon.canConvert<QIcon>()) {
m_icon = icon.value<QIcon>();
} else if (icon.canConvert<QString>()) {
m_icon = QIcon::fromTheme(icon.toString());
} else {
m_icon = QIcon();
}
m_changed = true;
update();
}
QIcon IconItem::icon() const
{
return m_icon;
}
IconItem::State IconItem::state() const
{
return m_state;
}
void IconItem::setState(IconItem::State state)
{
if (m_state == state) {
return;
}
m_state = state;
m_changed = true;
emit stateChanged(state);
update();
}
bool IconItem::enabled() const
{
return (m_state == DefaultState);
}
void IconItem::setEnabled(bool enabled)
{
if (enabled) {
setState(DefaultState);
} else {
setState(DisabledState);
}
}
int IconItem::implicitWidth() const
{
return 32;
}
int IconItem::implicitHeight() const
{
return 32;
}
void IconItem::setSmooth(const bool smooth)
{
if (smooth == m_smooth) {
return;
}
m_smooth = smooth;
m_changed = true;
update();
}
bool IconItem::smooth() const
{
return m_smooth;
}
QSGNode *IconItem::updatePaintNode(QSGNode *node, QQuickItem::UpdatePaintNodeData * /*data*/)
{
if (m_icon.isNull()) {
delete node;
return nullptr;
}
if (m_changed || node == nullptr) {
m_changed = false;
ManagedTextureNode *mNode = dynamic_cast<ManagedTextureNode *>(node);
if (!mNode) {
delete node;
mNode = new ManagedTextureNode;
}
QIcon::Mode mode{QIcon::Normal};
switch (m_state) {
case DefaultState:
mode = QIcon::Normal;
break;
case ActiveState:
mode = QIcon::Active;
break;
case DisabledState:
mode = QIcon::Disabled;
break;
}
QImage img;
const QSize size(static_cast<int>(width()), static_cast<int>(height()));
if (!size.isEmpty()) {
img = m_icon.pixmap(size, mode, QIcon::On).toImage();
}
mNode->setTexture(s_iconImageCache->loadTexture(window(), img));
mNode->setRect(QRect(QPoint(0, 0), size));
node = mNode;
}
return node;
}
void IconItem::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
{
if (newGeometry.size() != oldGeometry.size()) {
m_changed = true;
update();
}
QQuickItem::geometryChanged(newGeometry, oldGeometry);
}
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