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// Copyright 2025 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinQt/NetPlay/ClickBlurLabel.h"
#include <QChar>
#include <QGraphicsBlurEffect>
#include <QLabel>
#include <QMouseEvent>
#include <QStackedWidget>
#include <QString>
#include <QWidget>
#include "Common/CommonTypes.h"
#include "Common/Random.h"
ClickBlurLabel::ClickBlurLabel(QWidget* parent)
: QStackedWidget(parent), m_normal_label(new QLabel(this)), m_blurred_label(new QLabel(this))
{
setCursor(Qt::PointingHandCursor);
// We use a QStackedWidget with a pre-blurred label instead of applying QGraphicsBlurEffect on
// click, because creating the blur effect on demand can cause a visible delay on lower-end
// hardware.
auto* blur = new QGraphicsBlurEffect(m_blurred_label);
blur->setBlurRadius(7);
m_blurred_label->setGraphicsEffect(blur);
// We don't want to take up more space than the labels take
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
addWidget(m_blurred_label);
addWidget(m_normal_label);
}
void ClickBlurLabel::setText(const QString& text)
{
if (this->text() == text)
return;
m_normal_label->setText(text);
m_blurred_label->setText(GenerateBlurredText(text));
}
void ClickBlurLabel::mousePressEvent(QMouseEvent* event)
{
int current = currentIndex();
setCurrentIndex(current == 0 ? 1 : 0);
QWidget::mousePressEvent(event);
}
QString ClickBlurLabel::GenerateBlurredText(const QString& text)
{
QString blurred_text;
blurred_text.reserve(text.size());
for (const QChar& c : text)
{
if (c.isLetter())
blurred_text += QChar((c.isUpper() ? 'A' : 'a') + (Common::Random::GenerateValue<u8>() % 26));
else if (c.isDigit())
blurred_text += QChar('0' + (Common::Random::GenerateValue<u8>() % 10));
else
blurred_text += c;
}
return blurred_text;
}
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