initial wxWidgets sample

samples/CPlusPlusWidgets/.gitignore

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+build
+build-dbg
+.DS_Store
+cmake-build-debug
+cmake-build-release
+.vscode
+.idea

samples/CPlusPlusWidgets/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+
+project(VelopackCppWidgetsSample LANGUAGES CXX)
+
+include(FetchContent)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(wxBUILD_SHARED OFF)
+
+message(STATUS "Fetching wxWidgets...")
+
+FetchContent_Declare(
+   wxWidgets
+   GIT_REPOSITORY https://github.com/wxWidgets/wxWidgets.git
+   GIT_SHALLOW ON
+)
+FetchContent_MakeAvailable(wxWidgets)
+
+set(SRCS main.cpp)
+
+if(APPLE)
+    # create bundle on apple compiles
+    add_executable(main MACOSX_BUNDLE ${SRCS})
+
+    # Set a custom plist file for the app bundle - needed for Mac OS Retina display
+    set_target_properties(main PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist)
+else()
+    # the WIN32 is needed for Windows in order for it to look for WinMain
+    # instead of the main function. This is ignored on other systems,
+    # so it works on all platforms
+    add_executable(main WIN32 ${SRCS} main.exe.manifest)
+endif()
+
+target_link_libraries(main PRIVATE wxcore wxnet)

samples/CPlusPlusWidgets/main.cpp

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+#include <wx/wx.h>
+
+class MyApp : public wxApp
+{
+public:
+    virtual bool OnInit();
+};
+
+class MyFrame : public wxFrame
+{
+public:
+    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+};
+
+wxIMPLEMENT_APP(MyApp);
+
+bool MyApp::OnInit()
+{
+    MyFrame* frame = new MyFrame("Hello Everyone!", wxDefaultPosition, wxDefaultSize);
+    frame->Show(true);
+    return true;
+}
+
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+    : wxFrame(NULL, wxID_ANY, title, pos, size)
+{
+    new wxStaticText(this, wxID_ANY, "Good Morning!"); // no need to delete - the parent will do it automatically
+}

samples/CPlusPlusWidgets/main.exe.manifest

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <asmv3:application>
+    <asmv3:windowsSettings>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+</assembly>