Refactoring

src/systemtrayicon/systemtrayicon.cpp

@@ -0,0 +1,79 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ * Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry 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
+ * (at your option) any later version.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <cmath>
+
+#include <QPixmap>
+#include <QPainter>
+#include <QPoint>
+#include <QPolygon>
+#include <QRect>
+
+#ifdef Q_OS_MACOS
+#  include "macsystemtrayicon.h"
+#else
+#  include "qtsystemtrayicon.h"
+#endif
+
+QPixmap SystemTrayIcon::CreateIcon(const QPixmap &icon, const QPixmap &grey_icon) {
+
+  QRect rect(icon.rect());
+
+  QPixmap ret(icon);
+  QPainter p(&ret);
+
+  if (trayicon_progress_) {
+    // The angle of the line that's used to cover the icon.
+    // Centered on rect.topLeft()
+    double angle = static_cast<double>(100 - song_progress_) / 100.0 * M_PI_2;
+    double length = sqrt(pow(rect.width(), 2.0) + pow(rect.height(), 2.0));
+
+    QPolygon mask;
+    mask << rect.topLeft();
+    mask << rect.topLeft() + QPoint(static_cast<int>(length * sin(angle)), static_cast<int>(length * cos(angle)));
+
+    if (song_progress_ > 50) mask << rect.bottomRight();
+
+    mask << rect.topRight();
+    mask << rect.topLeft();
+
+    // Draw the grey bit
+    p.setClipRegion(mask);
+    p.drawPixmap(0, 0, grey_icon);
+    p.setClipping(false);
+  }
+
+  // Draw the playing or paused icon in the top-right
+  if (!current_state_icon_.isNull()) {
+    int height = rect.height() / 2;
+    QPixmap scaled(current_state_icon_.scaledToHeight(height, Qt::SmoothTransformation));
+
+    QRect state_rect(rect.width() - scaled.width(), 0, scaled.width(), scaled.height());
+    p.drawPixmap(state_rect, scaled);
+  }
+
+  p.end();
+
+  return ret;
+
+}