Added scroll to sliders

core/src/gui/widgets/file_select.h

@@ -0,0 +1,34 @@
+#pragma once
+#include <imgui.h>
+#include <imgui_internal.h>
+#include <stdint.h>
+#include <string>
+
+#ifdef _WIN32
+#include <Windows.h>
+#include <thread>
+#endif
+
+class FileSelect {
+public:
+    FileSelect(std::string defaultPath, char* filter = "All\0*.*");
+    void render(std::string id);
+    bool pathIsValid();
+    bool pathChanged();
+
+    std::string expandString(std::string input);
+
+    std::string path = "";
+
+private:
+#ifdef _WIN32
+    void windowsWorker();
+    std::thread workerThread;
+#endif
+
+    char _filter[2048];
+    bool pathValid = false;
+    bool dialogOpen = false;
+    char strPath[2048];
+    bool _pathChanged = false;
+};