File indexing completed on 2024-04-14 05:24:29

 /*
     SPDX-FileCopyrightText: 2020 Michail Vourlakos <mvourlakos@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "patternwidget.h"
 
 //! local
 #include "../../tools/commontools.h"
 
 //! Qt
 #include <QDebug>
 #include <QFont>
 #include <QHBoxLayout>
 #include <QPainter>
 #include <QPalette>
 #include <QStyleOption>
 
 //! KDE
 #include <KLocalizedString>
 
 namespace Latte {
 namespace Settings {
 namespace Widget {
 
 PatternWidget::PatternWidget(QWidget *parent, Qt::WindowFlags f)
     : QWidget(parent, f)
 {
     setMouseTracking(true);
 
     setProperty("isBackground", true);
 
     initUi();
 
     connect(this, &PatternWidget::backgroundChanged, this, &PatternWidget::updateUi);
     connect(this, &PatternWidget::textColorChanged, this, &PatternWidget::updateUi);
 }
 
 void PatternWidget::initUi()
 {
     QHBoxLayout *l = new QHBoxLayout(this);
     m_label = new QLabel(this);
 
     l->addWidget(m_label);
     l->setAlignment(Qt::AlignCenter);
     setLayout(l);
 
     m_label->setText(i18n("Sample Text"));
     QFont font  = m_label->font();
     font.setBold(true);
     m_label->setFont(font);
 
     //! shadow
     m_shadowEffect = new QGraphicsDropShadowEffect(this);
     m_shadowEffect->setXOffset(0);
     m_shadowEffect->setYOffset(0);
     m_label->setGraphicsEffect(m_shadowEffect);
 }
 
 QString PatternWidget::background() const
 {
     return m_background;
 }
 
 void PatternWidget::setBackground(const QString &file)
 {
     if (m_background != file) {
         m_background = file;
     }
 
     emit backgroundChanged();
 }
 
 void PatternWidget::setText(const QString &text)
 {
     m_label->setText(text);
 }
 
 QString PatternWidget::textColor() const
 {
     return m_textColor;
 }
 
 void PatternWidget::setTextColor(const QString &color)
 {
     if (m_textColor == color) {
         return;
     }
 
     m_textColor = color;
     m_textColorBrightness = Latte::colorBrightness(QColor(color));
 
     emit textColorChanged();
 }
 
 void PatternWidget::updateUi()
 {
     QPalette systemPalette;
 
     QColor textColor = systemPalette.color(QPalette::Active, QPalette::Text);
     QString background = "background-image: url(" + m_background + ");";
 
     int radius = qMax(2, height() / 4);
 
     if (m_background.isEmpty()) {
         background = "background-image: none;";
         m_shadowEffect->setColor(Qt::transparent);
     } else {
         m_shadowEffect->setColor("#020202");
     }
 
     if (m_textColorBrightness > 127) {
         m_shadowEffect->setBlurRadius(12);
     } else {
         m_shadowEffect->setBlurRadius(1);
     }
 
     setStyleSheet("[isBackground=true] {border: 1px solid " + textColor.name() + "; border-radius: " + QString::number(radius) + "px; " + background + "}");
     m_label->setStyleSheet("QLabel {border: 0px; background-image:none; color:" + m_textColor + "}");
 }
 
 void PatternWidget::enterEvent(QEvent *event)
 {
     setCursor(Qt::PointingHandCursor);
     QWidget::enterEvent(event);
 }
 
 void PatternWidget::mouseMoveEvent(QMouseEvent *event )
 {
     QWidget::mouseMoveEvent(event);
 }
 
 void PatternWidget::mouseReleaseEvent(QMouseEvent *event)
 {
     emit mouseReleased();
     QWidget::mouseReleaseEvent(event);
 }
 
 void PatternWidget::paintEvent(QPaintEvent *event)
 {
     //! it is needed from Qt, otherwise QWidget is not updated
     //! https://wiki.qt.io/How_to_Change_the_Background_Color_of_QWidget
     QStyleOption opt;
     opt.init(this);
     QPainter p(this);
     p.setRenderHint(QPainter::Antialiasing, true);
 
     style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 
     QWidget::paintEvent(event);
 }
 
 }
 }
 }