Apple minimal Nuklear implementation using AppKit

util/test/demos/CMakeLists.txt

@@ -135,6 +135,8 @@ endif()
 
 if(APPLE)
     list(APPEND SRC
+        apple/nuklear_appkit.mm
+        apple/nuklear_appkit.h
         apple/official/metal-cpp.cpp
         apple/official/metal-cpp.h
         apple/apple_platform.cpp

util/test/demos/apple/nuklear_appkit.mm

@@ -0,0 +1,27 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#define NK_APPKIT_OBJC_IMPLEMENTATION
+#define NK_API
+#include "nuklear_appkit.h"

util/test/demos/main.cpp

@@ -216,26 +216,64 @@ void NuklearShutdown()
 
 #elif defined(__APPLE__)
 
+#include "apple/official/metal-cpp.h"
+extern "C" void *const NSDefaultRunLoopMode;
+
+#define NK_APPKIT_IMPLEMENTATION
+#include "apple/nuklear_appkit.h"
+
+static nk_appkit_window *window;
+static AppkitFont *font;
+static NS::Application *pSharedApplication = NULL;
+
 nk_context *NuklearInit(int width, int height, const char *title)
 {
-  TEST_ERROR("NuklearInit: Not Implemented");
-  return NULL;
+  if(!nk_appkit_core_initialize())
+    exit(EXIT_FAILURE);
+
+  pSharedApplication = NS::Application::sharedApplication();
+
+  window = nk_appkit_window_create(width, height, title);
+  if(!window)
+    exit(EXIT_FAILURE);
+
+  nk_context *ctx = nk_appkit_create(window);
+  font = nk_appkit_create_font("Menlo Regular", 9);
+  nk_appkit_init(font);
+  return ctx;
 }
 
 bool NuklearTick(nk_context *ctx)
 {
-  TEST_ERROR("NuklearTick: Not Implemented");
-  return false;
+  NS::AutoreleasePool *pAutoreleasePool = NS::AutoreleasePool::alloc()->init();
+  while(true)
+  {
+    NS::Event *event = pSharedApplication->nextEventMatchingMask(
+        (int)NS::EventMaskAny, NS::Date::distantPast(), (NS::String *)NSDefaultRunLoopMode, true);
+    if(event == NULL)
+      break;
+    pSharedApplication->sendEvent(event);
+  }
+  pAutoreleasePool->release();
+  nk_appkit_new_frame();
+
+  if(nk_appkit_window_is_closed(window))
+    return false;
+
+  return true;
 }
 
 void NuklearRender()
 {
-  TEST_ERROR("NuklearRender: Not Implemented");
+  nk_appkit_render(nk_rgb(30, 30, 30));
 }
 
 void NuklearShutdown()
 {
-  TEST_ERROR("NuklearShutdown: Not Implemented");
+  nk_appkit_delete_font(font);
+  nk_appkit_shutdown();
+  nk_appkit_window_delete(window);
+  nk_appkit_core_shutdown();
 }
 
 #else