Add URL opening with default browser on macOS

Author: zao

CMakeLists.txt

@@ -3,6 +3,10 @@ cmake_minimum_required(VERSION 3.15)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_STANDARD 17)
 
+if (APPLE)
+    enable_language(OBJCXX)
+endif ()
+
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 include(${PROJECT_SOURCE_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake)
@@ -57,8 +61,16 @@ set(SIMPLEGRAPHIC_SOURCES
     "ui_subscript.h"
 )
 
+set (SIMPLEGRAPHIC_PLATFORM_SOURCES)
+if (APPLE)
+    set (SIMPLEGRAPHIC_PLATFORM_SOURCES
+        "engine/system/win/sys_macos.mm"
+    )
+endif()
+
 add_library(SimpleGraphic SHARED
     ${SIMPLEGRAPHIC_SOURCES}
+    ${SIMPLEGRAPHIC_PLATFORM_SOURCES}
 )
 
 target_compile_definitions(SimpleGraphic
@@ -92,6 +104,16 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
     )
 endif ()
 
+if (APPLE)
+    find_library(CORE_FOUNDATION_LIBRARY CoreFoundation)
+    find_library(APPLICATION_SERVICES_LIBRARY ApplicationServices)
+    target_link_libraries(SimpleGraphic
+        PRIVATE
+        ${CORE_FOUNDATION_LIBRARY}
+        ${APPLICATION_SERVICES_LIBRARY}
+    )
+endif ()
+
 target_link_libraries(SimpleGraphic
     PRIVATE
     fmt::fmt

engine/system/win/sys_macos.mm

@@ -0,0 +1,11 @@
+#include <string_view>
+#include <CoreFoundation/CFBundle.h>
+#include <ApplicationServices/ApplicationServices.h>
+
+void PlatformOpenURL(const char* textUrl)
+{
+    std::string_view urlView = textUrl;
+    CFURLRef url = CFURLCreateWithBytes(nullptr, (const UInt8*)urlView.data(), urlView.size(), kCFStringEncodingUTF8, nullptr);
+    LSOpenCFURLRef(url, nullptr);
+    CFRelease(url);
+}

engine/system/win/sys_main.cpp

@@ -573,7 +573,8 @@ void sys_main_c::SpawnProcess(const char* cmdName, const char* argList)
 #endif
 }
 
-void sys_main_c::OpenURL(const char* url)
+#if _WIN32 || __linux__
+void PlatformOpenURL(const char* url)
 {
 #ifdef _WIN32
 	ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWDEFAULT);
@@ -582,6 +583,14 @@ void sys_main_c::OpenURL(const char* url)
 	// TODO(LV): Implement URL opening for other OSes.
 #endif
 }
+#else
+void PlatformOpenURL(const char* url);
+#endif
+
+void sys_main_c::OpenURL(const char* url)
+{
+	PlatformOpenURL(url);
+}
 
 // ==============================
 // System Initialisation/Shutdown