Started work for older system support

scanner/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.13)
+project(scanner)
+
+if (MSVC)
+    set(CMAKE_CXX_FLAGS "-O2 /std:c++17 /EHsc")
+elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    set(CMAKE_CXX_FLAGS "-O3 -std=c++17 -Wno-unused-command-line-argument -undefined dynamic_lookup")
+else ()
+    set(CMAKE_CXX_FLAGS "-O3 -std=c++17")
+endif ()
+
+file(GLOB SRC "src/*.cpp")
+
+include_directories("src/")
+
+add_library(scanner SHARED ${SRC})
+target_link_libraries(scanner PRIVATE sdrpp_core)
+set_target_properties(scanner PROPERTIES PREFIX "")
+
+# Install directives
+install(TARGETS scanner DESTINATION lib/sdrpp/plugins)

scanner/src/main.cpp

@@ -0,0 +1,63 @@
+#include <imgui.h>
+#include <module.h>
+#include <gui/gui.h>
+
+SDRPP_MOD_INFO {
+    /* Name:            */ "scanner",
+    /* Description:     */ "Frequency scanner for SDR++",
+    /* Author:          */ "Ryzerth",
+    /* Version:         */ 0, 1, 0,
+    /* Max instances    */ -1
+};
+
+class ScannerModule : public ModuleManager::Instance {
+public:
+    ScannerModule(std::string name) {
+        this->name = name;
+        gui::menu.registerEntry(name, menuHandler, this, NULL);
+    }
+
+    ~ScannerModule() {
+        gui::menu.removeEntry(name);
+    }
+
+    void postInit() {}
+
+    void enable() {
+        enabled = true;
+    }
+
+    void disable() {
+        enabled = false;
+    }
+
+    bool isEnabled() {
+        return enabled;
+    }
+
+private:
+    static void menuHandler(void* ctx) {
+        ScannerModule* _this = (ScannerModule*)ctx;
+        ImGui::Text("Hello SDR++, my name is %s", _this->name.c_str());
+    }
+
+    std::string name;
+    bool enabled = true;
+
+};
+
+MOD_EXPORT void _INIT_() {
+    // Nothing here
+}
+
+MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
+    return new ScannerModule(name);
+}
+
+MOD_EXPORT void _DELETE_INSTANCE_(void* instance) {
+    delete (ScannerModule*)instance;
+}
+
+MOD_EXPORT void _END_() {
+    // Nothing here
+}