tray icon and resources

.gitignore

@@ -1,2 +1,3 @@
 build/*
 .DS_Store
+src/rsrc.hpp

CMakeLists.txt

@@ -1,9 +1,11 @@
 cmake_minimum_required (VERSION 3.8)
+include("cmake/create_resources.cmake")
 if(APPLE)
     project ("globalRPC" LANGUAGES C CXX OBJCXX)
 else()
     project ("globalRPC" LANGUAGES C CXX)
 endif()
+create_resources("rsrc" "src/rsrc.hpp")
 file(GLOB_RECURSE SOURCES "src/*.cpp")
 add_executable (rpc ${SOURCES})
 set_property(TARGET rpc PROPERTY CXX_STANDARD 20)

cmake/create_resources.cmake

@@ -0,0 +1,11 @@
+function(create_resources dir output)
+    file(WRITE ${output} "")
+    file(GLOB bins ${dir}/*)
+    foreach(bin ${bins})
+        string(REGEX MATCH "([^/]+)$" filename ${bin})
+        string(REGEX REPLACE "\\.| |-" "_" filename ${filename})
+        file(READ ${bin} filedata HEX)
+        string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," filedata ${filedata})
+        file(APPEND ${output} "inline const unsigned char ${filename}[] = {${filedata}};\ninline const unsigned ${filename}_size = sizeof(${filename});\n")
+    endforeach()
+endfunction()

src/main.cpp

@@ -1,4 +1,7 @@
 #include <discord-rpc/discord_rpc.h>
+#include <wx/image.h>
+#include <wx/mstream.h>
+#include <wx/taskbar.h>
 #include <wx/wx.h>
 
 #include <chrono>
@@ -7,6 +10,7 @@
 #include <thread>
 
 #include "backend.hpp"
+#include "rsrc.hpp"
 #include "utils.hpp"
 
 std::string lastPlayingSong = "";
@@ -98,14 +102,48 @@ void handleMediaTasks() {
         Discord_UpdatePresence(&activity);
     }
 }
+class MyTaskBarIcon : public wxTaskBarIcon {
+public:
+    MyTaskBarIcon(wxFrame* mainFrame) : m_mainFrame(mainFrame) {}
+
+    void OnMenuOpen(wxCommandEvent& evt) { m_mainFrame->Show(true); }
+
+    void OnMenuExit(wxCommandEvent& evt) { m_mainFrame->Close(true); }
+
+protected:
+    virtual wxMenu* CreatePopupMenu() override {
+        wxMenu* menu = new wxMenu;
+        menu->Append(10001, "Open");
+        menu->AppendSeparator();
+        menu->Append(10002, "Quit");
+        Bind(wxEVT_MENU, &MyTaskBarIcon::OnMenuOpen, this, 10001);
+        Bind(wxEVT_MENU, &MyTaskBarIcon::OnMenuExit, this, 10002);
+        return menu;
+    }
+
+private:
+    wxFrame* m_mainFrame;
+};
 class MyApp : public wxApp {
 public:
     virtual bool OnInit() override {
+        wxInitAllImageHandlers();
         wxFrame* frame = new wxFrame(nullptr, wxID_ANY, "Hello wxWidgets", wxDefaultPosition, wxSize(400, 300));
+        trayIcon = new MyTaskBarIcon(frame);
+        frame->Bind(wxEVT_CLOSE_WINDOW, [=](wxCloseEvent& event) {
+            trayIcon->RemoveIcon();
+            trayIcon->Destroy();
+            event.Skip();
+        });
+        wxIcon icon = utils::loadIconFromMemory(icon_png, icon_png_size);
+        trayIcon->SetIcon(icon, "My App");
         wxStaticText* text = new wxStaticText(frame, wxID_ANY, "Hello World", wxPoint(150, 130));
         frame->Show(true);
         return true;
     }
+
+private:
+    MyTaskBarIcon* trayIcon;
 };
 
 wxIMPLEMENT_APP_NO_MAIN(MyApp);

src/utils.hpp

@@ -1,6 +1,8 @@
 #ifndef _UTILS_
 #define _UTILS_
 #include <curl/include/curl/curl.h>
+#include <wx/mstream.h>
+#include <wx/wx.h>
 
 #include <filesystem>
 #include <fstream>
@@ -13,6 +15,17 @@
 #define CONFIG_FILENAME "known.json"
 
 namespace utils {
+    inline wxIcon loadIconFromMemory(const unsigned char* data, size_t size) {
+        wxMemoryInputStream stream(data, size);
+        wxImage img(stream, wxBITMAP_TYPE_PNG); 
+        if (img.IsOk()) {
+            wxBitmap bmp(img);
+            wxIcon icon;
+            icon.CopyFromBitmap(bmp);
+            return icon;
+        }
+        return wxNullIcon;
+    }
     inline std::string ltrim(std::string& s) {
         s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); }));
         return s;