From 390b24514cbc63f2f1840a43345ec4dda7f4aaf2 Mon Sep 17 00:00:00 2001
From: luisangelsm <luisangelsm@gmail.com>
Date: Mon, 12 Jan 2026 18:48:06 +0100
Subject: [PATCH] Add helpers to tint svg files

---
 common/themes/icon_utils.cpp | 75 ++++++++++++++++++++++++++++++++++++
 common/themes/icon_utils.h   | 20 ++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 common/themes/icon_utils.cpp
 create mode 100644 common/themes/icon_utils.h

diff --git a/common/themes/icon_utils.cpp b/common/themes/icon_utils.cpp
new file mode 100644
index 00000000..826b31ef
--- /dev/null
+++ b/common/themes/icon_utils.cpp
@@ -0,0 +1,75 @@
+#include "icon_utils.h"
+
+#include "yacreader_global.h"
+
+QString recolorSvgXML(QString &svg,
+                      const QString &placeHolder,
+                      const QColor &color)
+{
+    return svg.replace(placeHolder, color.name(QColor::HexRgb), Qt::CaseInsensitive);
+}
+
+QString readSvg(const QString &resourcePath)
+{
+    QFile in(resourcePath);
+    if (!in.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qWarning() << "Failed to open SVG resource:" << resourcePath;
+        return {};
+    }
+
+    QString svg = QString::fromUtf8(in.readAll());
+    in.close();
+
+    return svg;
+}
+
+QString writeSvg(const QString &svg, const QString &resourcePath, const QString &themeName, const QString &suffix = QString())
+{
+    const QString basePath = YACReader::getSettingsPath() + "/themes/" + themeName;
+
+    QDir().mkpath(basePath);
+
+    QString fileName = QFileInfo(resourcePath).completeBaseName();
+    if (!suffix.isEmpty()) {
+        fileName += suffix;
+    }
+    fileName += "." + QFileInfo(resourcePath).suffix();
+    const QString outPath = basePath + "/" + fileName;
+
+    QFile out(outPath);
+    if (!out.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
+        qWarning() << "Failed to write SVG:" << outPath;
+        return {};
+    }
+
+    out.write(svg.toUtf8());
+    out.close();
+
+    return outPath;
+}
+
+QString recoloredSvgToThemeFile(const QString &resourcePath,
+                                const QColor &color1, // #f0f (magenta)
+                                const QColor &color2, // #0ff (cyan)
+                                const QString &themeName,
+                                const QString &suffix)
+{
+    auto svg = readSvg(resourcePath);
+
+    recolorSvgXML(svg, "#f0f", color1);
+    recolorSvgXML(svg, "#0ff", color2);
+
+    return writeSvg(svg, resourcePath, themeName, suffix);
+}
+
+QString recoloredSvgToThemeFile(const QString &resourcePath,
+                                const QColor &color, // #f0f (magenta)
+                                const QString &themeName,
+                                const QString &suffix)
+{
+    auto svg = readSvg(resourcePath);
+
+    recolorSvgXML(svg, "#f0f", color);
+
+    return writeSvg(svg, resourcePath, themeName, suffix);
+}
diff --git a/common/themes/icon_utils.h b/common/themes/icon_utils.h
new file mode 100644
index 00000000..014a1b69
--- /dev/null
+++ b/common/themes/icon_utils.h
@@ -0,0 +1,20 @@
+#ifndef ICON_UTILS_H
+#define ICON_UTILS_H
+
+#include <QtGui>
+
+QString recolorSvgXML(QString &svg, const QString &placeHolder, const QColor &color);
+QString readSvg(const QString &resourcePath);
+QString writeSvg(const QString &svg, const QString &resourcePath, const QString &themeName);
+QString recoloredSvgToThemeFile(const QString &resourcePath,
+                                const QColor &color1, // #f0f (magenta)
+                                const QColor &color2, // #0ff (cyan)
+                                const QString &themeName,
+                                const QString &suffix = QString());
+QString recoloredSvgToThemeFile(const QString &resourcePath,
+                                const QColor &color, // #f0f (magenta)
+                                const QString &themeName,
+                                const QString &suffix = QString());
+QString createMenuArrowSvg(const QColor &color, const QString &themeName);
+
+#endif // ICON_UTILS_H