1 files changed, 52 insertions, 2 deletions

diff --git a/src/util.h b/src/util.h
index d96dc19..6882854 100644
--- a/src/util.h
+++ b/src/util.h
@@ -9,15 +9,65 @@
 #ifndef SMOLBOTE_UTIL_H
 #define SMOLBOTE_UTIL_H
 
-#include <QStringList>
+#include "icons.h"
 #include <QIcon>
+#include <QPainter>
+#include <QStringList>
 #include <QStyle>
+#include <QSvgRenderer>
 
 namespace Util {
 
 const QStringList files(const QString &location, const QStringList &nameFilters = QStringList());
-[[nodiscard]] QIcon icon(QStyle::StandardPixmap id);
 
+template <QStyle::StandardPixmap id>
+inline QIcon icon()
+{
+    using namespace std::literals;
+
+    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.
+
+    QSvgRenderer renderer;
+    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 }) {
+            renderer.load(arr.replace("currentColor", (toggle == QIcon::On ? "black" : "gray")));
+
+            QPixmap pm(renderer.defaultSize());
+            pm.fill(Qt::transparent);
+
+            QPainter painter(&pm);
+            painter.setBrush(Qt::green);
+            painter.setPen(Qt::green);
+            renderer.render(&painter, pm.rect());
+
+            m.addPixmap(pm, mode, toggle);
+        }
+    }
+    return m;
 }
+} // namespace Util
 
 #endif // SMOLBOTE_UTIL_H