Don't force compile everything as Objective-C++ on macOS

CMakeLists.txt

@@ -984,15 +984,6 @@ add_definitions(-std=c++1y)
 # but some dependencies require them (LLVM, libav).
 add_definitions(-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS)
 
-# Do this at the last minute because try_compile ignores linker flags.  Yay...
-if(APPLE)
-	# Some of our code contains Objective C constructs.
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -x objective-c -stdlib=libc++")
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -x objective-c++ -stdlib=libc++")
-	# Avoid mistaking an object file for a source file on the link command line.
-	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -x none")
-endif()
-
 add_subdirectory(Source)
 
 

Source/Core/Common/CMakeLists.txt

@@ -82,7 +82,7 @@ endif()
 if(WIN32)
     set(SRCS ${SRCS} GL/GLInterface/WGL.cpp)
 elseif(APPLE)
-    set(SRCS ${SRCS} GL/GLInterface/AGL.cpp)
+    set(SRCS ${SRCS} GL/GLInterface/AGL.mm)
 elseif(USE_X11)
     if (NOT USE_EGL)
         set(SRCS ${SRCS} GL/GLInterface/GLX.cpp)

Source/Core/Common/GL/GLInterface/AGL.h

@@ -4,8 +4,11 @@
 
 #pragma once
 
-#ifdef __APPLE__
+#if defined(__APPLE__) && defined(__OBJC__)
 #import <AppKit/AppKit.h>
+#else
+struct NSOpenGLContext;
+struct NSView;
 #endif
 
 #include "Common/GL/GLInterfaceBase.h"

Source/Core/Core/HW/WiimoteReal/IOdarwin.h

@@ -5,76 +5,10 @@
 #pragma once
 
 #ifdef __APPLE__
-// Work around an Apple bug: for some reason, IOBluetooth.h errors on
-// inclusion in Mavericks, but only in Objective-C++ C++11 mode.  I filed
-// this as <rdar://15312520>; in the meantime...
-#import <Foundation/Foundation.h>
-#undef NS_ENUM_AVAILABLE
-#define NS_ENUM_AVAILABLE(...)
-// end hack
-#import <IOBluetooth/IOBluetooth.h>
-#include <IOKit/hid/IOHIDManager.h>
-#include <IOKit/pwr_mgt/IOPMLib.h>
-
 #include "Core/HW/WiimoteReal/WiimoteReal.h"
 
 namespace WiimoteReal
 {
-class WiimoteDarwin final : public Wiimote
-{
-public:
-  WiimoteDarwin(IOBluetoothDevice* device);
-  ~WiimoteDarwin() override;
-
-  // These are not protected/private because ConnectBT needs them.
-  void DisconnectInternal() override;
-  IOBluetoothDevice* m_btd;
-  unsigned char* m_input;
-  int m_inputlen;
-
-protected:
-  bool ConnectInternal() override;
-  bool IsConnected() const override;
-  void IOWakeup() override;
-  int IORead(u8* buf) override;
-  int IOWrite(u8 const* buf, size_t len) override;
-  void EnablePowerAssertionInternal() override;
-  void DisablePowerAssertionInternal() override;
-
-private:
-  IOBluetoothL2CAPChannel* m_ichan;
-  IOBluetoothL2CAPChannel* m_cchan;
-  bool m_connected;
-  CFRunLoopRef m_wiimote_thread_run_loop;
-  IOPMAssertionID m_pm_assertion;
-};
-
-class WiimoteDarwinHid final : public Wiimote
-{
-public:
-  WiimoteDarwinHid(IOHIDDeviceRef device);
-  ~WiimoteDarwinHid() override;
-
-protected:
-  bool ConnectInternal() override;
-  void DisconnectInternal() override;
-  bool IsConnected() const override;
-  void IOWakeup() override;
-  int IORead(u8* buf) override;
-  int IOWrite(u8 const* buf, size_t len) override;
-
-private:
-  static void ReportCallback(void* context, IOReturn result, void* sender, IOHIDReportType type,
-                             u32 reportID, u8* report, CFIndex reportLength);
-  static void RemoveCallback(void* context, IOReturn result, void* sender);
-  void QueueBufferReport(int length);
-  IOHIDDeviceRef m_device;
-  bool m_connected;
-  std::atomic<bool> m_interrupted;
-  Report m_report_buffer;
-  Common::FifoQueue<Report> m_buffered_reports;
-};
-
 class WiimoteScannerDarwin final : public WiimoteScannerBackend
 {
 public:

Source/Core/Core/HW/WiimoteReal/IOdarwin.mm

@@ -4,6 +4,7 @@
 #include "Common/Common.h"
 #include "Common/Logging/Log.h"
 #include "Core/HW/WiimoteEmu/WiimoteHid.h"
+#include "Core/HW/WiimoteReal/IOdarwin_private.h"
 
 @interface SearchBT : NSObject
 {

Source/Core/Core/HW/WiimoteReal/IOdarwin_private.h

@@ -0,0 +1,77 @@
+// Copyright 2016 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "Core/HW/WiimoteReal/WiimoteReal.h"
+
+// Work around an Apple bug: for some reason, IOBluetooth.h errors on
+// inclusion in Mavericks, but only in Objective-C++ C++11 mode.  I filed
+// this as <rdar://15312520>; in the meantime...
+#import <Foundation/Foundation.h>
+#undef NS_ENUM_AVAILABLE
+#define NS_ENUM_AVAILABLE(...)
+// end hack
+#include <IOBluetooth/IOBluetooth.h>
+#include <IOKit/hid/IOHIDManager.h>
+#include <IOKit/pwr_mgt/IOPMLib.h>
+
+namespace WiimoteReal
+{
+class WiimoteDarwin final : public Wiimote
+{
+public:
+  WiimoteDarwin(IOBluetoothDevice* device);
+  ~WiimoteDarwin() override;
+
+  // These are not protected/private because ConnectBT needs them.
+  void DisconnectInternal() override;
+  IOBluetoothDevice* m_btd;
+  unsigned char* m_input;
+  int m_inputlen;
+
+protected:
+  bool ConnectInternal() override;
+  bool IsConnected() const override;
+  void IOWakeup() override;
+  int IORead(u8* buf) override;
+  int IOWrite(u8 const* buf, size_t len) override;
+  void EnablePowerAssertionInternal() override;
+  void DisablePowerAssertionInternal() override;
+
+private:
+  IOBluetoothL2CAPChannel* m_ichan;
+  IOBluetoothL2CAPChannel* m_cchan;
+  bool m_connected;
+  CFRunLoopRef m_wiimote_thread_run_loop;
+  IOPMAssertionID m_pm_assertion;
+};
+
+class WiimoteDarwinHid final : public Wiimote
+{
+public:
+  WiimoteDarwinHid(IOHIDDeviceRef device);
+  ~WiimoteDarwinHid() override;
+
+protected:
+  bool ConnectInternal() override;
+  void DisconnectInternal() override;
+  bool IsConnected() const override;
+  void IOWakeup() override;
+  int IORead(u8* buf) override;
+  int IOWrite(u8 const* buf, size_t len) override;
+
+private:
+  static void ReportCallback(void* context, IOReturn result, void* sender, IOHIDReportType type,
+                             u32 reportID, u8* report, CFIndex reportLength);
+  static void RemoveCallback(void* context, IOReturn result, void* sender);
+  void QueueBufferReport(int length);
+  IOHIDDeviceRef m_device;
+  bool m_connected;
+  std::atomic<bool> m_interrupted;
+  Report m_report_buffer;
+  Common::FifoQueue<Report> m_buffered_reports;
+};
+
+}  // namespace WiimoteReal

Source/Core/DolphinWX/AboutDolphin.cpp

@@ -12,10 +12,6 @@
 #include <wx/stattext.h>
 #include <wx/textctrl.h>
 
-#ifdef __APPLE__
-#import <AppKit/AppKit.h>
-#endif
-
 #include "Common/Common.h"
 #include "DolphinWX/AboutDolphin.h"
 #include "DolphinWX/WxUtils.h"

Source/Core/DolphinWX/Frame.cpp

@@ -2,10 +2,6 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
-#ifdef __APPLE__
-#include <Cocoa/Cocoa.h>
-#endif
-
 #include <atomic>
 #include <cstddef>
 #include <fstream>
@@ -584,16 +580,6 @@ bool CFrame::RendererIsFullscreen()
     fullscreen = m_RenderFrame->IsFullScreen();
   }
 
-#if defined(__APPLE__)
-  if (m_RenderFrame != nullptr)
-  {
-    NSView* view = (NSView*)m_RenderFrame->GetHandle();
-    NSWindow* window = [view window];
-
-    fullscreen = (([window styleMask] & NSFullScreenWindowMask) == NSFullScreenWindowMask);
-  }
-#endif
-
   return fullscreen;
 }
 
@@ -1284,15 +1270,6 @@ void CFrame::DoFullscreen(bool enable_fullscreen)
 
   ToggleDisplayMode(enable_fullscreen);
 
-#if defined(__APPLE__)
-  NSView* view = (NSView*)m_RenderFrame->GetHandle();
-  NSWindow* window = [view window];
-
-  if (enable_fullscreen != RendererIsFullscreen())
-  {
-    [window toggleFullScreen:nil];
-  }
-#else
   if (enable_fullscreen)
   {
     m_RenderFrame->ShowFullScreen(true, wxFULLSCREEN_ALL);
@@ -1303,7 +1280,6 @@ void CFrame::DoFullscreen(bool enable_fullscreen)
     // Therefore we don't exit fullscreen from here if we are in exclusive mode.
     m_RenderFrame->ShowFullScreen(false, wxFULLSCREEN_ALL);
   }
-#endif
 
   if (SConfig::GetInstance().bRenderToMain)
   {

Source/Core/DolphinWX/FrameTools.cpp

@@ -21,10 +21,6 @@
 #include <wx/toolbar.h>
 #include <wx/toplevel.h>
 
-#ifdef __APPLE__
-#include <AppKit/AppKit.h>
-#endif
-
 #include "Common/CDUtils.h"
 #include "Common/CommonTypes.h"
 #include "Common/FileSearch.h"
@@ -1014,10 +1010,7 @@ void CFrame::StartGame(const std::string& filename)
   }
 
 #if defined(__APPLE__)
-  NSView* view = (NSView*)m_RenderFrame->GetHandle();
-  NSWindow* window = [view window];
-
-  [window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
+  m_RenderFrame->EnableFullScreenView(true);
 #endif
 
   wxBeginBusyCursor();
@@ -1233,10 +1226,7 @@ void CFrame::OnStopped()
   {
 #if defined(__APPLE__)
     // Disable the full screen button when not in a game.
-    NSView* view = (NSView*)m_RenderFrame->GetHandle();
-    NSWindow* window = [view window];
-
-    [window setCollectionBehavior:NSWindowCollectionBehaviorDefault];
+    m_RenderFrame->EnableFullScreenView(false);
 #endif
 
     // Make sure the window is not longer set to stay on top

Source/Core/DolphinWX/ISOProperties.cpp

@@ -2,10 +2,6 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
-#ifdef __APPLE__
-#import <Cocoa/Cocoa.h>
-#endif
-
 #include <cinttypes>
 #include <cstddef>
 #include <cstdio>
@@ -1235,9 +1231,9 @@ bool CISOProperties::SaveGameConfig()
 void CISOProperties::LaunchExternalEditor(const std::string& filename, bool wait_until_closed)
 {
 #ifdef __APPLE__
-  // wxTheMimeTypesManager is not yet implemented for wxCocoa
-  [[NSWorkspace sharedWorkspace] openFile:[NSString stringWithUTF8String:filename.c_str()]
-                          withApplication:@"TextEdit"];
+  // GetOpenCommand does not work for wxCocoa
+  const char* OpenCommandConst[] = {"open", "-a", "TextEdit", filename.c_str(), NULL};
+  char** OpenCommand = const_cast<char**>(OpenCommandConst);
 #else
   wxFileType* filetype = wxTheMimeTypesManager->GetFileTypeFromExtension("ini");
   if (filetype == nullptr)  // From extension failed, trying with MIME type now
@@ -1256,6 +1252,7 @@ void CISOProperties::LaunchExternalEditor(const std::string& filename, bool wait
     WxUtils::ShowErrorDialog(_("Couldn't find open command for extension 'ini'!"));
     return;
   }
+#endif
 
   long result;
 
@@ -1269,7 +1266,6 @@ void CISOProperties::LaunchExternalEditor(const std::string& filename, bool wait
     WxUtils::ShowErrorDialog(_("wxExecute returned -1 on application run!"));
     return;
   }
-#endif
 }
 
 void CISOProperties::GenerateLocalIniModified()

Source/Core/DolphinWX/Main.cpp

@@ -70,10 +70,6 @@
 
 #endif
 
-#ifdef __APPLE__
-#import <AppKit/AppKit.h>
-#endif
-
 class wxFrame;
 
 // ------------

Source/Core/DolphinWX/WxUtils.cpp

@@ -17,10 +17,6 @@
 
 #include "DolphinWX/WxUtils.h"
 
-#ifdef __APPLE__
-#import <AppKit/AppKit.h>
-#endif
-
 namespace WxUtils
 {
 // Launch a file according to its mime type