OSX support for 'OpenFile' system message (aka open vimix when selecting

session file in finder).

CMakeLists.txt

@@ -13,10 +13,10 @@ if(UNIX)
 
         # the RPATH to be used when installing
         set(CMAKE_SKIP_RPATH TRUE)
-
         set(OpenGL_DIR /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/)
         set(CMAKE_OSX_ARCHITECTURES x86_64)
         set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13")
+#        set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13" CACHE STRING "Minimum OS X version to target for deployment")
 
     else()
         add_definitions(-DLINUX)
@@ -283,6 +283,7 @@ set(VMIX_SRCS
     ActionManager.cpp
 )
 
+
 set(VMIX_RSC_FILES
     ./rsc/shaders/simple.fs
     ./rsc/shaders/simple.vs
@@ -370,6 +371,7 @@ IF(APPLE)
     # create the application
     add_executable(${VMIX_BINARY} MACOSX_BUNDLE
         ${VMIX_SRCS}
+        ./osx/CustomDelegate.m
         ${IMGUITEXTEDIT_SRC}
         ${MACOSX_BUNDLE_ICON_FILE}
     )
@@ -378,6 +380,11 @@ IF(APPLE)
     set(MACOSX_BUNDLE_PLIST_FILE ${CMAKE_SOURCE_DIR}/osx/Info.plist)
     set_target_properties(${VMIX_BINARY} PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${MACOSX_BUNDLE_PLIST_FILE})
 
+    set(PLATFORM_LIBS
+        "-framework CoreFoundation"
+        "-framework Appkit"
+    )
+
 ELSE(APPLE)
 
     add_executable(${VMIX_BINARY}
@@ -385,6 +392,9 @@ ELSE(APPLE)
         ${IMGUITEXTEDIT_SRC}
     )
 
+    set(PLATFORM_LIBS  ""
+    )
+
 ENDIF(APPLE)
 
 
@@ -421,6 +431,7 @@ target_link_libraries(${VMIX_BINARY} LINK_PRIVATE
     IMGUI
     OSCPACK
     vmix::rc
+    ${PLATFORM_LIBS}
 )
 
 macro_display_feature_log()
@@ -434,7 +445,7 @@ SET(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_SOURCE_DIR}/README.md")
 SET(CPACK_PACKAGE_CONTACT "bruno.herbelin@gmail.com")
 SET(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/COPYING.txt")
 SET(CPACK_PACKAGE_VERSION_MAJOR "0")
-SET(CPACK_PACKAGE_VERSION_MINOR "3")
+SET(CPACK_PACKAGE_VERSION_MINOR "4")
 SET(CPACK_PACKAGE_VENDOR "Bruno Herbelin")
 SET(CPACK_SOURCE_IGNORE_FILES
     "/\\\\.git/"
@@ -471,7 +482,7 @@ IF(APPLE)
     ### TODO configure auto to find installation dir of gst
 
     # intall the gst-plugin-scanner program (used by plugins at load time)
-    install(FILES "/usr/local/Cellar/gstreamer/1.18.0/libexec/gstreamer-1.0/gst-plugin-scanner"
+    install(FILES "/usr/local/Cellar/gstreamer/1.18.1/libexec/gstreamer-1.0/gst-plugin-scanner"
         DESTINATION "${plugin_dest_dir}"
         PERMISSIONS OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
         COMPONENT Runtime
@@ -482,11 +493,11 @@ IF(APPLE)
 
     # Install the gst-plugins (all those installed with brew )
     install(DIRECTORY "${PKG_GSTREAMER_PLUGIN_DIR}" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
-    install(DIRECTORY "/usr/local/Cellar/gst-plugins-base/1.18.0/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
+    install(DIRECTORY "/usr/local/Cellar/gst-plugins-base/1.18.1/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
-    install(DIRECTORY "/usr/local/Cellar/gst-plugins-good/1.18.0/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
+    install(DIRECTORY "/usr/local/Cellar/gst-plugins-good/1.18.1/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
-#    install(DIRECTORY "/usr/local/Cellar/gst-plugins-bad/1.18.0/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
+#    install(DIRECTORY "/usr/local/Cellar/gst-plugins-bad/1.18.1/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
-    install(DIRECTORY "/usr/local/Cellar/gst-plugins-ugly/1.18.0/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
+    install(DIRECTORY "/usr/local/Cellar/gst-plugins-ugly/1.18.1/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
-    install(DIRECTORY "/usr/local/Cellar/gst-libav/1.18.0/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
+    install(DIRECTORY "/usr/local/Cellar/gst-libav/1.18.1/lib/gstreamer-1.0" DESTINATION "${plugin_dest_dir}" COMPONENT Runtime)
 
     # install locally recompiled gst-plugins-bad
     install(FILES "/Users/herbelin/Development/gst/gst-plugins-bad-1.18.0/build/ext/libde265/libgstde265.dylib" DESTINATION "${plugin_dest_dir}/gstreamer-1.0" COMPONENT Runtime)

main.cpp

@@ -31,13 +31,20 @@
 #include "Connection.h"
 
 
+#if defined(APPLE)
+extern "C"{
+    void forward_load_message(const char * filename){
+        Settings::application.argument_file = std::string(filename);
+    }
+}
+#endif
+
+
 void drawScene()
 {
     Mixer::manager().draw();
 }
 
-
-
 int main(int argc, char *argv[])
 {
     // one extra argument is given

osx/CocoaToolkit.h

@@ -11,4 +11,4 @@ void * get_current_nsopengl_context();
 
 };
 
-#endif // COCOA_TOOLKIT_H
+#endif // COCOA_TOOLKIT_H

osx/CustomDelegate.h

@@ -0,0 +1,10 @@
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface GLFWCustomDelegate : NSObject
++ (void)load; // load is called before even main() is run (as part of objc class registration)
+@end
+
+NS_ASSUME_NONNULL_END

osx/CustomDelegate.m

@@ -0,0 +1,49 @@
+#import "CustomDelegate.h"
+#import <objc/runtime.h>
+
+// part of your application
+extern void forward_load_message(const char * filename);
+
+@implementation GLFWCustomDelegate
+
++ (void)load{
+        static dispatch_once_t onceToken;
+        dispatch_once(&onceToken, ^{
+                Class class = objc_getClass("GLFWApplicationDelegate");
+
+                [GLFWCustomDelegate swizzle:class src:@selector(application:openFile:) tgt:@selector(swz_application:openFile:)];
+                [GLFWCustomDelegate swizzle:class src:@selector(application:openFiles:) tgt:@selector(swz_application:openFiles:)];
+        });
+}
+
++ (void) swizzle:(Class) original_c src:(SEL)original_s tgt:(SEL)target_s{
+        Class target_c = [GLFWCustomDelegate class];
+        Method originalMethod = class_getInstanceMethod(original_c, original_s);
+        Method swizzledMethod = class_getInstanceMethod(target_c, target_s);
+
+        BOOL didAddMethod =
+        class_addMethod(original_c,
+                                        original_s,
+                                        method_getImplementation(swizzledMethod),
+                                        method_getTypeEncoding(swizzledMethod));
+
+        if (didAddMethod) {
+                class_replaceMethod(original_c,
+                                                        target_s,
+                                                        method_getImplementation(originalMethod),
+                                                        method_getTypeEncoding(originalMethod));
+        } else {
+                method_exchangeImplementations(originalMethod, swizzledMethod);
+        }
+}
+
+- (BOOL)swz_application:(NSApplication *)sender openFile:(NSString *)filename{
+        forward_load_message(filename.UTF8String);
+        return YES;
+}
+
+- (void)swz_application:(NSApplication *)sender openFiles:(NSArray<NSString *> *)filenames{
+        forward_load_message(filenames.firstObject.UTF8String);
+}
+
+@end

osx/Info.plist

@@ -9,22 +9,18 @@
 	<key>CFBundleDocumentTypes</key>
         <array>
                 <dict>
-                        <key>CFBundleTypeExtensions</key>
-                        <array>
-                                <string>mix</string>
-                        </array>
-                        <key>CFBundleTypeIconFile</key>
-                        <string>vimix.icns</string>
                         <key>CFBundleTypeName</key>
-                        <string>GLMixer Session</string>
+                        <string>vimix session</string>
-                        <key>CFBundleTypeOSTypes</key>
-                        <array>
-                                <string>MIX </string>
-                        </array>
                         <key>CFBundleTypeRole</key>
                         <string>Editor</string>
-                	<key>LSIsAppleDefaultForType</key>
+                        <key>LSIsAppleDefaultForType</key>
-        		<true/>
+                        <true/>
+                        <key>LSHandlerRank</key>
+                        <string>Owner</string>
+                        <key>LSItemContentTypes</key>
+                        <array>
+                            <string>com.bhbn.mix</string>
+                        </array>
                 </dict>
         </array>
 	<key>CFBundleExecutable</key>