File indexing completed on 2024-12-22 04:31:08

 /*
  * Copyright (C) 2021 CutefishOS Team.
  *
  * Author:     revenmartin <revenmartin@gmail.com>
  *
  * 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 3 of the License, or
  * 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, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef WINDOWSHADOW_H
 #define WINDOWSHADOW_H
 
 #include "tileset.h"
 
 
 #include <QGuiApplication>
 #include <QMap>
 #include <QObject>
 #include <QPainter>
 #include <QPixmap>
 #include <QQmlEngine>
 #include <QQmlParserStatus>
 #include <QRect>
 #include <QWindow>
 #include <QVector>
 
 struct ShadowParams
 {
     ShadowParams() = default;
 
     ShadowParams(const QPoint &offset, int radius, qreal opacity):
         offset(offset),
         radius(radius),
         opacity(opacity)
     {}
 
     QPoint offset;
     int radius = 0;
     qreal opacity = 0;
 };
 
 struct CompositeShadowParams
 {
     CompositeShadowParams() = default;
 
     CompositeShadowParams(
             const QPoint &offset,
             const ShadowParams &shadow1,
             const ShadowParams &shadow2)
         : offset(offset)
         , shadow1(shadow1)
         , shadow2(shadow2) {}
 
     bool isNone() const
     { return qMax(shadow1.radius, shadow2.radius) == 0; }
 
     QPoint offset;
     ShadowParams shadow1;
     ShadowParams shadow2;
 };
 
 class WindowShadow : public QObject, public QQmlParserStatus
 {
     Q_OBJECT
     Q_INTERFACES(QQmlParserStatus)
     Q_PROPERTY(QWindow *view READ view WRITE setView NOTIFY viewChanged)
     Q_PROPERTY(QRect geometry READ geometry WRITE setGeometry NOTIFY geometryChanged)
     Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged)
     Q_PROPERTY(qreal strength READ strength WRITE setStrength NOTIFY strengthChanged)
 
 public:
     WindowShadow(QObject *parent = nullptr) noexcept;
     ~WindowShadow() override;
 
     static CompositeShadowParams lookupShadowParams(int shadowSizeEnum);
 
     void classBegin() override;
     void componentComplete() override;
 
     void setView(QWindow *view);
     QWindow *view() const;
 
     void setGeometry(const QRect &rect);
     QRect geometry() const;
 
     void setRadius(qreal value);
     qreal radius() { return m_radius; }
 
     qreal strength() const;
     void setStrength(qreal strength);
 
 private slots:
     void onViewVisibleChanged(bool);
 
 private:
     void configureTiles();
     TileSet shadowTiles();
 
     QMargins shadowMargins(TileSet) const;
 
 signals:
     void geometryChanged();
     void enabledChanged();
     void viewChanged();
     void edgesChanged();
     void radiusChanged();
     void strengthChanged();
 
 private:
     QWindow *m_view;
     QRect m_rect;
     TileSet m_shadowTiles;
     qreal m_radius = 10;
     qreal m_strength = 1.2;
 };
 
 #endif