USING: accessors math arrays assocs cocoa cocoa.application
command-line kernel memory namespaces cocoa.messages
cocoa.runtime cocoa.subclassing cocoa.pasteboard cocoa.types
-cocoa.windows cocoa.classes cocoa.application cocoa.nibs
-sequences system ui ui.backend ui.clipboards ui.gadgets
-ui.gadgets.worlds ui.cocoa.views core-foundation threads
-math.geometry.rect fry ;
+cocoa.windows cocoa.classes sequences system
+ui ui.backend ui.clipboards ui.gadgets ui.gadgets.worlds
+ui.cocoa.views core-foundation threads math.geometry.rect fry
+libc generalizations alien.c-types cocoa.views combinators ;
IN: ui.cocoa
-TUPLE: handle view window ;
+TUPLE: handle ;
+TUPLE: window-handle < handle view window ;
+TUPLE: offscreen-handle < handle context buffer ;
-C: <handle> handle
+C: <window-handle> window-handle
+C: <offscreen-handle> offscreen-handle
SINGLETON: cocoa-ui-backend
: gadget-window ( world -- )
dup <FactorView>
2dup swap world>NSRect <ViewWindow>
- [ [ -> release ] [ install-window-delegate ] bi* ] [ <handle> ] 2bi
+ [ [ -> release ] [ install-window-delegate ] bi* ]
+ [ <window-handle> ] 2bi
>>handle drop ;
M: cocoa-ui-backend set-title ( string world -- )
NSApp 1 -> activateIgnoringOtherApps:
] when* ;
-M: cocoa-ui-backend select-gl-context ( handle -- )
- view>> -> openGLContext -> makeCurrentContext ;
+: pixel-size ( pixel-format -- size )
+ 0 <int> [ NSOpenGLPFAColorSize 0 -> getValues:forAttribute:forVirtualScreen: ]
+ keep *int -3 shift ;
-M: cocoa-ui-backend flush-gl-context ( handle -- )
- view>> -> openGLContext -> flushBuffer ;
+: offscreen-buffer ( world pixel-format -- alien w h pitch )
+ [ dim>> first2 ] [ pixel-size ] bi*
+ { [ * * malloc ] [ 2drop ] [ drop nip ] [ nip * ] } 3cleave ;
+
+: gadget-offscreen-context ( world -- context buffer )
+ NSOpenGLPFAOffScreen 1array <PixelFormat>
+ [ nip NSOpenGLContext -> alloc swap f -> initWithFormat:shareContext: dup ]
+ [ offscreen-buffer ] 2bi
+ 4 npick [ -> setOffScreen:width:height:rowbytes: ] dip ;
+
+M: cocoa-ui-backend (open-offscreen-buffer) ( world -- )
+ dup gadget-offscreen-context <offscreen-handle> >>handle drop ;
+
+M: cocoa-ui-backend (close-offscreen-buffer) ( handle -- )
+ [ context>> -> release ]
+ [ buffer>> free ] bi ;
+
+GENERIC: (gl-context) ( handle -- context )
+M: window-handle (gl-context) view>> -> openGLContext ;
+M: offscreen-handle (gl-context) context>> ;
+
+M: handle select-gl-context ( handle -- )
+ (gl-context) -> makeCurrentContext ;
+
+M: handle flush-gl-context ( handle -- )
+ (gl-context) -> flushBuffer ;
+
+M: offscreen-handle offscreen-pixels ( handle -- alien )
+ buffer>> ;
M: cocoa-ui-backend beep ( -- )
NSBeep ;