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+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#ifndef SMOLBOTE_UTIL_H
+#define SMOLBOTE_UTIL_H
+
+#include "poi_icons.h"
+#include "poi_logos.h"
+#include <QIcon>
+#include <QPainter>
+#include <QStringList>
+#include <QStyle>
+#include <QSvgRenderer>
+
+namespace Util {
+
+const QStringList files(const QString &location, const QStringList &nameFilters = QStringList());
+
+constexpr auto AppIcon = QStyle::SP_CustomBase + 1;
+constexpr auto AppWindowIcon = QStyle::SP_CustomBase + 2;
+
+[[nodiscard]] inline QPixmap render(const auto &data, const QSize size = QSize())
+{
+ QSvgRenderer renderer;
+ renderer.load(QByteArray(data.data(), static_cast<int>(data.size())));
+
+ QPixmap pm(size.isValid() ? size : renderer.defaultSize());
+ pm.fill(Qt::transparent);
+
+ QPainter painter(&pm);
+ renderer.render(&painter, pm.rect());
+
+ return pm;
+}
+
+template </*QStyle::StandardPixmap*/ unsigned int id>
+inline QIcon icon()
+{
+ using namespace std::literals;
+
+ if constexpr(id == QStyle::SP_MediaVolume) {
+ auto on = render(icons::get([] { return "volume-3.svg"sv; }));
+ auto off = render(icons::get([] { return "volume.svg"sv; }));
+ QIcon m;
+ m.addPixmap(on, QIcon::Normal, QIcon::On);
+ m.addPixmap(off, QIcon::Normal, QIcon::Off);
+ return m;
+
+ } else if constexpr(id >= QStyle::SP_CustomBase) {
+ constexpr auto data = logos::get([] {
+ switch(id) {
+ case AppIcon:
+ return "poi.svg"sv;
+ case AppWindowIcon:
+ return "poi_window.svg"sv;
+ default:
+ return "__unknown__"sv;
+ }
+ });
+ return QIcon(render(data));
+ } else {
+
+ constexpr auto data = icons::get([] {
+ switch(id) {
+ case QStyle::SP_ArrowBack:
+ return "arrow-left.svg"sv;
+ case QStyle::SP_ArrowForward:
+ return "arrow-right.svg"sv;
+ case QStyle::SP_BrowserStop:
+ return "circle-x.svg"sv;
+ case QStyle::SP_BrowserReload:
+ return "refresh.svg"sv;
+ case QStyle::SP_DirHomeIcon:
+ return "home.svg"sv;
+ default:
+ return "__unknown__"sv;
+ }
+ });
+
+ QIcon m;
+ // This is a horrible hack that will one day be hopefully fixed:
+ // When rendering an svg, you can't actually pick a stroke color through
+ // QPainter::setBrush or QPainter::setPen. So instead, replace the stroke
+ // color in the data (stroke="currentColor") and then rerender it.
+
+ QByteArray arr(data.data(), data.size());
+ for(const auto mode : { QIcon::Normal /*, QIcon::Disabled, QIcon::Active, QIcon::Selected*/ }) {
+ for(const auto toggle : { QIcon::On, QIcon::Off }) {
+ const auto pm = render(arr.replace("currentColor", (toggle == QIcon::On ? "black" : "gray")));
+ m.addPixmap(pm, mode, toggle);
+ }
+ }
+ return m;
+ }
+}
+} // namespace Util
+
+#endif // SMOLBOTE_UTIL_H