[add] layer init

rozaliev · May 25, 2015 · ce3ebc7 · ce3ebc7
1 parent 1a7576d
commit ce3ebc7
Showing 1 changed file with 23 additions and 2 deletions.
diff --git a/src/api/ios/mod.rs b/src/api/ios/mod.rs
@@ -7,12 +7,13 @@ use std::mem;
 use libc;
 use objc;
 use objc::runtime::{Class, Object, Sel, BOOL, YES};
-use objc::declare::ClassDecl;
+use objc::declare::{ ClassDecl, MethodImplementation };
 
 use native_monitor::NativeMonitorId;
 use { Api, PixelFormat, CreationError, BuilderAttribs, GlContext, CursorState, MouseCursor, Event };
 use CreationError::OsError;
 
+
 #[link(name = "UIKit", kind = "framework")]
 extern {
     // int UIApplicationMain ( int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName );
@@ -186,10 +187,30 @@ impl Window {
             decl.register();
         }
 
+        extern fn init_for_gl(this: &Object, _: Sel, frame: *const libc::c_void) -> id {
+            unsafe {
+                let bounds: *const CGRect = mem::transmute(frame);
+                let view: id = msg_send![this, initWithFrame:(*bounds).clone()];
+
+                let layer: id = msg_send![view, layer];
+                let _ : () = msg_send![layer, setOpaque:YES];
+
+                view
+            }
+        }
+        extern fn layer_class(this: &Class, _: Sel) -> *const Class {
+            unsafe { mem::transmute(Class::get("CAEAGLLayer").unwrap()) }
+        }
+
+
         let superclass = Class::get("UIView").unwrap();
         let mut decl = ClassDecl::new(superclass, "MainView").unwrap();
 
         unsafe {
+            decl.add_method(sel!(initForGl:),
+                init_for_gl as extern fn(&Object, Sel, *const libc::c_void) -> id);
+            decl.add_class_method(sel!(layerClass),
+                layer_class as extern fn(&Class, Sel) -> *const Class);
             decl.register();
         }
     }
@@ -210,7 +231,7 @@ impl Window {
 
                 let class = Class::get("MainView").unwrap();
                 let view:id = msg_send![class, alloc];
-                let view:id = msg_send![view, initWithFrame:bounds];
+                let view:id = msg_send![view, initForGl:&bounds];
 
                 let color: id = msg_send![Class::get("UIColor").unwrap(), redColor];