//======================================================================== // GLFW 3.3 macOS - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2009-2016 Camilla Löwy // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would // be appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source // distribution. // //======================================================================== #include "internal.h" #include #include // Needed for _NSGetProgname #include // HACK: The 10.12 SDK adds new symbols and immediately deprecates the old ones #if MAC_OS_X_VERSION_MAX_ALLOWED < 101200 #define NSWindowStyleMaskBorderless NSBorderlessWindowMask #define NSWindowStyleMaskClosable NSClosableWindowMask #define NSWindowStyleMaskMiniaturizable NSMiniaturizableWindowMask #define NSWindowStyleMaskResizable NSResizableWindowMask #define NSWindowStyleMaskTitled NSTitledWindowMask #define NSEventModifierFlagCommand NSCommandKeyMask #define NSEventModifierFlagControl NSControlKeyMask #define NSEventModifierFlagOption NSAlternateKeyMask #define NSEventModifierFlagShift NSShiftKeyMask #define NSEventModifierFlagCapsLock NSAlphaShiftKeyMask #define NSEventModifierFlagDeviceIndependentFlagsMask NSDeviceIndependentModifierFlagsMask #define NSEventMaskAny NSAnyEventMask #define NSEventTypeApplicationDefined NSApplicationDefined #define NSEventTypeKeyUp NSKeyUp #endif // Returns the style mask corresponding to the window settings // static NSUInteger getStyleMask(_GLFWwindow* window) { NSUInteger styleMask = 0; if (window->monitor || !window->decorated) styleMask |= NSWindowStyleMaskBorderless; else { styleMask |= NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable; if (window->resizable) styleMask |= NSWindowStyleMaskResizable; } return styleMask; } // Center the cursor in the view of the window // static void centerCursor(_GLFWwindow *window) { int width, height; _glfwPlatformGetWindowSize(window, &width, &height); _glfwPlatformSetCursorPos(window, width / 2.0, height / 2.0); } // Returns whether the cursor is in the client area of the specified window // static GLFWbool cursorInClientArea(_GLFWwindow* window) { const NSPoint pos = [window->ns.object mouseLocationOutsideOfEventStream]; return [window->ns.view mouse:pos inRect:[window->ns.view frame]]; } // Hides the cursor if not already hidden // static void hideCursor(_GLFWwindow* window) { if (!_glfw.ns.cursorHidden) { [NSCursor hide]; _glfw.ns.cursorHidden = GLFW_TRUE; } } // Shows the cursor if not already shown // static void showCursor(_GLFWwindow* window) { if (_glfw.ns.cursorHidden) { [NSCursor unhide]; _glfw.ns.cursorHidden = GLFW_FALSE; } } // Updates the cursor image according to its cursor mode // static void updateCursorImage(_GLFWwindow* window) { if (window->cursorMode == GLFW_CURSOR_NORMAL) { showCursor(window); if (window->cursor) [(NSCursor*) window->cursor->ns.object set]; else [[NSCursor arrowCursor] set]; } else hideCursor(window); } // Transforms the specified y-coordinate between the CG display and NS screen // coordinate systems // static float transformY(float y) { return CGDisplayBounds(CGMainDisplayID()).size.height - y; } // Make the specified window and its video mode active on its monitor // static GLFWbool acquireMonitor(_GLFWwindow* window) { const GLFWbool status = _glfwSetVideoModeNS(window->monitor, &window->videoMode); const CGRect bounds = CGDisplayBounds(window->monitor->ns.displayID); const NSRect frame = NSMakeRect(bounds.origin.x, transformY(bounds.origin.y + bounds.size.height), bounds.size.width, bounds.size.height); [window->ns.object setFrame:frame display:YES]; _glfwInputMonitorWindow(window->monitor, window); return status; } // Remove the window and restore the original video mode // static void releaseMonitor(_GLFWwindow* window) { if (window->monitor->window != window) return; _glfwInputMonitorWindow(window->monitor, NULL); _glfwRestoreVideoModeNS(window->monitor); } // Translates macOS key modifiers into GLFW ones // static int translateFlags(NSUInteger flags) { int mods = 0; if (flags & NSEventModifierFlagShift) mods |= GLFW_MOD_SHIFT; if (flags & NSEventModifierFlagControl) mods |= GLFW_MOD_CONTROL; if (flags & NSEventModifierFlagOption) mods |= GLFW_MOD_ALT; if (flags & NSEventModifierFlagCommand) mods |= GLFW_MOD_SUPER; if (flags & NSEventModifierFlagCapsLock) mods |= GLFW_MOD_CAPS_LOCK; return mods; } // Translates a macOS keycode to a GLFW keycode // static int translateKey(unsigned int key) { if (key >= sizeof(_glfw.ns.keycodes) / sizeof(_glfw.ns.keycodes[0])) return GLFW_KEY_UNKNOWN; return _glfw.ns.keycodes[key]; } // Translate a GLFW keycode to a Cocoa modifier flag // static NSUInteger translateKeyToModifierFlag(int key) { switch (key) { case GLFW_KEY_LEFT_SHIFT: case GLFW_KEY_RIGHT_SHIFT: return NSEventModifierFlagShift; case GLFW_KEY_LEFT_CONTROL: case GLFW_KEY_RIGHT_CONTROL: return NSEventModifierFlagControl; case GLFW_KEY_LEFT_ALT: case GLFW_KEY_RIGHT_ALT: return NSEventModifierFlagOption; case GLFW_KEY_LEFT_SUPER: case GLFW_KEY_RIGHT_SUPER: return NSEventModifierFlagCommand; } return 0; } // Defines a constant for empty ranges in NSTextInputClient // static const NSRange kEmptyRange = { NSNotFound, 0 }; //------------------------------------------------------------------------ // Delegate for window related notifications //------------------------------------------------------------------------ @interface GLFWWindowDelegate : NSObject { _GLFWwindow* window; } - (instancetype)initWithGlfwWindow:(_GLFWwindow *)initWindow; @end @implementation GLFWWindowDelegate - (instancetype)initWithGlfwWindow:(_GLFWwindow *)initWindow { self = [super init]; if (self != nil) window = initWindow; return self; } - (BOOL)windowShouldClose:(id)sender { _glfwInputWindowCloseRequest(window); return NO; } - (void)windowDidResize:(NSNotification *)notification { if (window->context.client != GLFW_NO_API) [window->context.nsgl.object update]; if (_glfw.ns.disabledCursorWindow == window) centerCursor(window); const int maximized = [window->ns.object isZoomed]; if (window->ns.maximized != maximized) { window->ns.maximized = maximized; _glfwInputWindowMaximize(window, maximized); } const NSRect contentRect = [window->ns.view frame]; const NSRect fbRect = [window->ns.view convertRectToBacking:contentRect]; if (fbRect.size.width != window->ns.fbWidth || fbRect.size.height != window->ns.fbHeight) { window->ns.fbWidth = fbRect.size.width; window->ns.fbHeight = fbRect.size.height; _glfwInputFramebufferSize(window, fbRect.size.width, fbRect.size.height); } if (contentRect.size.width != window->ns.width || contentRect.size.height != window->ns.height) { window->ns.width = contentRect.size.width; window->ns.height = contentRect.size.height; _glfwInputWindowSize(window, contentRect.size.width, contentRect.size.height); } } - (void)windowDidMove:(NSNotification *)notification { if (window->context.client != GLFW_NO_API) [window->context.nsgl.object update]; if (_glfw.ns.disabledCursorWindow == window) centerCursor(window); int x, y; _glfwPlatformGetWindowPos(window, &x, &y); _glfwInputWindowPos(window, x, y); } - (void)windowDidMiniaturize:(NSNotification *)notification { if (window->monitor) releaseMonitor(window); _glfwInputWindowIconify(window, GLFW_TRUE); } - (void)windowDidDeminiaturize:(NSNotification *)notification { if (window->monitor) acquireMonitor(window); _glfwInputWindowIconify(window, GLFW_FALSE); } - (void)windowDidBecomeKey:(NSNotification *)notification { if (_glfw.ns.disabledCursorWindow == window) centerCursor(window); _glfwInputWindowFocus(window, GLFW_TRUE); _glfwPlatformSetCursorMode(window, window->cursorMode); } - (void)windowDidResignKey:(NSNotification *)notification { if (window->monitor && window->autoIconify) _glfwPlatformIconifyWindow(window); _glfwInputWindowFocus(window, GLFW_FALSE); } @end //------------------------------------------------------------------------ // Delegate for application related notifications //------------------------------------------------------------------------ @interface GLFWApplicationDelegate : NSObject @end @implementation GLFWApplicationDelegate - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender { _GLFWwindow* window; for (window = _glfw.windowListHead; window; window = window->next) _glfwInputWindowCloseRequest(window); return NSTerminateCancel; } - (void)applicationDidChangeScreenParameters:(NSNotification *) notification { _GLFWwindow* window; for (window = _glfw.windowListHead; window; window = window->next) { if (window->context.client != GLFW_NO_API) [window->context.nsgl.object update]; } _glfwPollMonitorsNS(); } - (void)applicationDidFinishLaunching:(NSNotification *)notification { [NSApp stop:nil]; _glfwPlatformPostEmptyEvent(); } - (void)applicationDidHide:(NSNotification *)notification { int i; for (i = 0; i < _glfw.monitorCount; i++) _glfwRestoreVideoModeNS(_glfw.monitors[i]); } @end //------------------------------------------------------------------------ // Content view class for the GLFW window //------------------------------------------------------------------------ @interface GLFWContentView : NSView { _GLFWwindow* window; NSTrackingArea* trackingArea; NSMutableAttributedString* markedText; } - (instancetype)initWithGlfwWindow:(_GLFWwindow *)initWindow; @end @implementation GLFWContentView - (instancetype)initWithGlfwWindow:(_GLFWwindow *)initWindow { self = [super init]; if (self != nil) { window = initWindow; trackingArea = nil; markedText = [[NSMutableAttributedString alloc] init]; [self updateTrackingAreas]; [self registerForDraggedTypes:[NSArray arrayWithObjects: NSFilenamesPboardType, nil]]; } return self; } - (void)dealloc { [trackingArea release]; [markedText release]; [super dealloc]; } - (BOOL)isOpaque { return [window->ns.object isOpaque]; } - (BOOL)canBecomeKeyView { return YES; } - (BOOL)acceptsFirstResponder { return YES; } - (BOOL)wantsUpdateLayer { return YES; } - (id)makeBackingLayer { if (window->ns.layer) return window->ns.layer; return [super makeBackingLayer]; } - (void)cursorUpdate:(NSEvent *)event { updateCursorImage(window); } - (void)mouseDown:(NSEvent *)event { _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, translateFlags([event modifierFlags])); } - (void)mouseDragged:(NSEvent *)event { [self mouseMoved:event]; } - (void)mouseUp:(NSEvent *)event { _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE, translateFlags([event modifierFlags])); } - (void)mouseMoved:(NSEvent *)event { if (window->cursorMode == GLFW_CURSOR_DISABLED) { const double dx = [event deltaX] - window->ns.cursorWarpDeltaX; const double dy = [event deltaY] - window->ns.cursorWarpDeltaY; _glfwInputCursorPos(window, window->virtualCursorPosX + dx, window->virtualCursorPosY + dy); } else { const NSRect contentRect = [window->ns.view frame]; const NSPoint pos = [event locationInWindow]; _glfwInputCursorPos(window, pos.x, contentRect.size.height - pos.y); } window->ns.cursorWarpDeltaX = 0; window->ns.cursorWarpDeltaY = 0; } - (void)rightMouseDown:(NSEvent *)event { _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, translateFlags([event modifierFlags])); } - (void)rightMouseDragged:(NSEvent *)event { [self mouseMoved:event]; } - (void)rightMouseUp:(NSEvent *)event { _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE, translateFlags([event modifierFlags])); } - (void)otherMouseDown:(NSEvent *)event { _glfwInputMouseClick(window, (int) [event buttonNumber], GLFW_PRESS, translateFlags([event modifierFlags])); } - (void)otherMouseDragged:(NSEvent *)event { [self mouseMoved:event]; } - (void)otherMouseUp:(NSEvent *)event { _glfwInputMouseClick(window, (int) [event buttonNumber], GLFW_RELEASE, translateFlags([event modifierFlags])); } - (void)mouseExited:(NSEvent *)event { if (window->cursorMode == GLFW_CURSOR_HIDDEN) showCursor(window); _glfwInputCursorEnter(window, GLFW_FALSE); } - (void)mouseEntered:(NSEvent *)event { if (window->cursorMode == GLFW_CURSOR_HIDDEN) hideCursor(window); _glfwInputCursorEnter(window, GLFW_TRUE); } - (void)viewDidChangeBackingProperties { const NSRect contentRect = [window->ns.view frame]; const NSRect fbRect = [window->ns.view convertRectToBacking:contentRect]; if (fbRect.size.width != window->ns.fbWidth || fbRect.size.height != window->ns.fbHeight) { window->ns.fbWidth = fbRect.size.width; window->ns.fbHeight = fbRect.size.height; _glfwInputFramebufferSize(window, fbRect.size.width, fbRect.size.height); } const float xscale = fbRect.size.width / contentRect.size.width; const float yscale = fbRect.size.height / contentRect.size.height; if (xscale != window->ns.xscale || yscale != window->ns.yscale) { window->ns.xscale = xscale; window->ns.yscale = yscale; _glfwInputWindowContentScale(window, xscale, yscale); } } - (void)drawRect:(NSRect)rect { _glfwInputWindowDamage(window); } - (void)updateTrackingAreas { if (trackingArea != nil) { [self removeTrackingArea:trackingArea]; [trackingArea release]; } const NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited | NSTrackingActiveInKeyWindow | NSTrackingEnabledDuringMouseDrag | NSTrackingCursorUpdate | NSTrackingInVisibleRect | NSTrackingAssumeInside; trackingArea = [[NSTrackingArea alloc] initWithRect:[self bounds] options:options owner:self userInfo:nil]; [self addTrackingArea:trackingArea]; [super updateTrackingAreas]; } - (void)keyDown:(NSEvent *)event { const int key = translateKey([event keyCode]); const int mods = translateFlags([event modifierFlags]); _glfwInputKey(window, key, [event keyCode], GLFW_PRESS, mods); [self interpretKeyEvents:[NSArray arrayWithObject:event]]; } - (void)flagsChanged:(NSEvent *)event { int action; const unsigned int modifierFlags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask; const int key = translateKey([event keyCode]); const int mods = translateFlags(modifierFlags); const NSUInteger keyFlag = translateKeyToModifierFlag(key); if (keyFlag & modifierFlags) { if (window->keys[key] == GLFW_PRESS) action = GLFW_RELEASE; else action = GLFW_PRESS; } else action = GLFW_RELEASE; _glfwInputKey(window, key, [event keyCode], action, mods); } - (void)keyUp:(NSEvent *)event { const int key = translateKey([event keyCode]); const int mods = translateFlags([event modifierFlags]); _glfwInputKey(window, key, [event keyCode], GLFW_RELEASE, mods); } - (void)scrollWheel:(NSEvent *)event { double deltaX, deltaY; deltaX = [event scrollingDeltaX]; deltaY = [event scrollingDeltaY]; if ([event hasPreciseScrollingDeltas]) { deltaX *= 0.1; deltaY *= 0.1; } if (fabs(deltaX) > 0.0 || fabs(deltaY) > 0.0) _glfwInputScroll(window, deltaX, deltaY); } - (NSDragOperation)draggingEntered:(id )sender { if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric) { [self setNeedsDisplay:YES]; return NSDragOperationGeneric; } return NSDragOperationNone; } - (BOOL)prepareForDragOperation:(id )sender { [self setNeedsDisplay:YES]; return YES; } - (BOOL)performDragOperation:(id )sender { NSPasteboard* pasteboard = [sender draggingPasteboard]; NSArray* files = [pasteboard propertyListForType:NSFilenamesPboardType]; const NSRect contentRect = [window->ns.view frame]; _glfwInputCursorPos(window, [sender draggingLocation].x, contentRect.size.height - [sender draggingLocation].y); const NSUInteger count = [files count]; if (count) { NSEnumerator* e = [files objectEnumerator]; char** paths = calloc(count, sizeof(char*)); NSUInteger i; for (i = 0; i < count; i++) paths[i] = strdup([[e nextObject] UTF8String]); _glfwInputDrop(window, (int) count, (const char**) paths); for (i = 0; i < count; i++) free(paths[i]); free(paths); } return YES; } - (void)concludeDragOperation:(id )sender { [self setNeedsDisplay:YES]; } - (BOOL)hasMarkedText { return [markedText length] > 0; } - (NSRange)markedRange { if ([markedText length] > 0) return NSMakeRange(0, [markedText length] - 1); else return kEmptyRange; } - (NSRange)selectedRange { return kEmptyRange; } - (void)setMarkedText:(id)string selectedRange:(NSRange)selectedRange replacementRange:(NSRange)replacementRange { [markedText release]; if ([string isKindOfClass:[NSAttributedString class]]) markedText = [[NSMutableAttributedString alloc] initWithAttributedString:string]; else markedText = [[NSMutableAttributedString alloc] initWithString:string]; } - (void)unmarkText { [[markedText mutableString] setString:@""]; } - (NSArray*)validAttributesForMarkedText { return [NSArray array]; } - (NSAttributedString*)attributedSubstringForProposedRange:(NSRange)range actualRange:(NSRangePointer)actualRange { return nil; } - (NSUInteger)characterIndexForPoint:(NSPoint)point { return 0; } - (NSRect)firstRectForCharacterRange:(NSRange)range actualRange:(NSRangePointer)actualRange { int xpos, ypos; _glfwPlatformGetWindowPos(window, &xpos, &ypos); const NSRect contentRect = [window->ns.view frame]; return NSMakeRect(xpos, transformY(ypos + contentRect.size.height), 0.0, 0.0); } - (void)insertText:(id)string replacementRange:(NSRange)replacementRange { NSString* characters; NSEvent* event = [NSApp currentEvent]; const int mods = translateFlags([event modifierFlags]); const int plain = !(mods & GLFW_MOD_SUPER); if ([string isKindOfClass:[NSAttributedString class]]) characters = [string string]; else characters = (NSString*) string; NSUInteger i, length = [characters length]; for (i = 0; i < length; i++) { const unichar codepoint = [characters characterAtIndex:i]; if ((codepoint & 0xff00) == 0xf700) continue; _glfwInputChar(window, codepoint, mods, plain); } } - (void)doCommandBySelector:(SEL)selector { } @end //------------------------------------------------------------------------ // GLFW window class //------------------------------------------------------------------------ @interface GLFWWindow : NSWindow {} @end @implementation GLFWWindow - (BOOL)canBecomeKeyWindow { // Required for NSWindowStyleMaskBorderless windows return YES; } - (BOOL)canBecomeMainWindow { return YES; } @end //------------------------------------------------------------------------ // GLFW application class //------------------------------------------------------------------------ @interface GLFWApplication : NSApplication { NSArray* nibObjects; } @end @implementation GLFWApplication // From http://cocoadev.com/index.pl?GameKeyboardHandlingAlmost // This works around an AppKit bug, where key up events while holding // down the command key don't get sent to the key window. - (void)sendEvent:(NSEvent *)event { if ([event type] == NSEventTypeKeyUp && ([event modifierFlags] & NSEventModifierFlagCommand)) { [[self keyWindow] sendEvent:event]; } else [super sendEvent:event]; } // No-op thread entry point // - (void)doNothing:(id)object { } - (void)loadMainMenu { #if MAC_OS_X_VERSION_MAX_ALLOWED >= 100800 [[NSBundle mainBundle] loadNibNamed:@"MainMenu" owner:NSApp topLevelObjects:&nibObjects]; #else [[NSBundle mainBundle] loadNibNamed:@"MainMenu" owner:NSApp]; #endif } @end // Set up the menu bar (manually) // This is nasty, nasty stuff -- calls to undocumented semi-private APIs that // could go away at any moment, lots of stuff that really should be // localize(d|able), etc. Add a nib to save us this horror. // static void createMenuBar(void) { size_t i; NSString* appName = nil; NSDictionary* bundleInfo = [[NSBundle mainBundle] infoDictionary]; NSString* nameKeys[] = { @"CFBundleDisplayName", @"CFBundleName", @"CFBundleExecutable", }; // Try to figure out what the calling application is called for (i = 0; i < sizeof(nameKeys) / sizeof(nameKeys[0]); i++) { id name = [bundleInfo objectForKey:nameKeys[i]]; if (name && [name isKindOfClass:[NSString class]] && ![name isEqualToString:@""]) { appName = name; break; } } if (!appName) { char** progname = _NSGetProgname(); if (progname && *progname) appName = [NSString stringWithUTF8String:*progname]; else appName = @"GLFW Application"; } NSMenu* bar = [[NSMenu alloc] init]; [NSApp setMainMenu:bar]; NSMenuItem* appMenuItem = [bar addItemWithTitle:@"" action:NULL keyEquivalent:@""]; NSMenu* appMenu = [[NSMenu alloc] init]; [appMenuItem setSubmenu:appMenu]; [appMenu addItemWithTitle:[NSString stringWithFormat:@"About %@", appName] action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""]; [appMenu addItem:[NSMenuItem separatorItem]]; NSMenu* servicesMenu = [[NSMenu alloc] init]; [NSApp setServicesMenu:servicesMenu]; [[appMenu addItemWithTitle:@"Services" action:NULL keyEquivalent:@""] setSubmenu:servicesMenu]; [servicesMenu release]; [appMenu addItem:[NSMenuItem separatorItem]]; [appMenu addItemWithTitle:[NSString stringWithFormat:@"Hide %@", appName] action:@selector(hide:) keyEquivalent:@"h"]; [[appMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"] setKeyEquivalentModifierMask:NSEventModifierFlagOption | NSEventModifierFlagCommand]; [appMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; [appMenu addItem:[NSMenuItem separatorItem]]; [appMenu addItemWithTitle:[NSString stringWithFormat:@"Quit %@", appName] action:@selector(terminate:) keyEquivalent:@"q"]; NSMenuItem* windowMenuItem = [bar addItemWithTitle:@"" action:NULL keyEquivalent:@""]; [bar release]; NSMenu* windowMenu = [[NSMenu alloc] initWithTitle:@"Window"]; [NSApp setWindowsMenu:windowMenu]; [windowMenuItem setSubmenu:windowMenu]; [windowMenu addItemWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"]; [windowMenu addItemWithTitle:@"Zoom" action:@selector(performZoom:) keyEquivalent:@""]; [windowMenu addItem:[NSMenuItem separatorItem]]; [windowMenu addItemWithTitle:@"Bring All to Front" action:@selector(arrangeInFront:) keyEquivalent:@""]; // TODO: Make this appear at the bottom of the menu (for consistency) [windowMenu addItem:[NSMenuItem separatorItem]]; [[windowMenu addItemWithTitle:@"Enter Full Screen" action:@selector(toggleFullScreen:) keyEquivalent:@"f"] setKeyEquivalentModifierMask:NSEventModifierFlagControl | NSEventModifierFlagCommand]; // Prior to Snow Leopard, we need to use this oddly-named semi-private API // to get the application menu working properly. SEL setAppleMenuSelector = NSSelectorFromString(@"setAppleMenu:"); [NSApp performSelector:setAppleMenuSelector withObject:appMenu]; } // Initialize the Cocoa Application Kit // static GLFWbool initializeAppKit(void) { if (NSApp) return GLFW_TRUE; // Implicitly create shared NSApplication instance [GLFWApplication sharedApplication]; // Make Cocoa enter multi-threaded mode [NSThread detachNewThreadSelector:@selector(doNothing:) toTarget:NSApp withObject:nil]; if (_glfw.hints.init.ns.menubar) { // In case we are unbundled, make us a proper UI application [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular]; // Menu bar setup must go between sharedApplication above and // finishLaunching below, in order to properly emulate the behavior // of NSApplicationMain if ([[NSBundle mainBundle] pathForResource:@"MainMenu" ofType:@"nib"]) [NSApp loadMainMenu]; else createMenuBar(); } // There can only be one application delegate, but we allocate it the // first time a window is created to keep all window code in this file _glfw.ns.delegate = [[GLFWApplicationDelegate alloc] init]; if (_glfw.ns.delegate == nil) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create application delegate"); return GLFW_FALSE; } [NSApp setDelegate:_glfw.ns.delegate]; [NSApp run]; // Press and Hold prevents some keys from emitting repeated characters NSDictionary* defaults = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], @"ApplePressAndHoldEnabled", nil]; [[NSUserDefaults standardUserDefaults] registerDefaults:defaults]; return GLFW_TRUE; } // Create the Cocoa window // static GLFWbool createNativeWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig) { window->ns.delegate = [[GLFWWindowDelegate alloc] initWithGlfwWindow:window]; if (window->ns.delegate == nil) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create window delegate"); return GLFW_FALSE; } NSRect contentRect; if (window->monitor) { GLFWvidmode mode; int xpos, ypos; _glfwPlatformGetVideoMode(window->monitor, &mode); _glfwPlatformGetMonitorPos(window->monitor, &xpos, &ypos); contentRect = NSMakeRect(xpos, ypos, mode.width, mode.height); } else contentRect = NSMakeRect(0, 0, wndconfig->width, wndconfig->height); window->ns.object = [[GLFWWindow alloc] initWithContentRect:contentRect styleMask:getStyleMask(window) backing:NSBackingStoreBuffered defer:NO]; if (window->ns.object == nil) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create window"); return GLFW_FALSE; } if (window->monitor) [window->ns.object setLevel:NSMainMenuWindowLevel + 1]; else { [window->ns.object center]; _glfw.ns.cascadePoint = NSPointToCGPoint([window->ns.object cascadeTopLeftFromPoint: NSPointFromCGPoint(_glfw.ns.cascadePoint)]); if (wndconfig->resizable) { const NSWindowCollectionBehavior behavior = NSWindowCollectionBehaviorFullScreenPrimary | NSWindowCollectionBehaviorManaged; [window->ns.object setCollectionBehavior:behavior]; } if (wndconfig->floating) [window->ns.object setLevel:NSFloatingWindowLevel]; if (wndconfig->maximized) [window->ns.object zoom:nil]; } if (strlen(wndconfig->ns.frameName)) [window->ns.object setFrameAutosaveName:[NSString stringWithUTF8String:wndconfig->ns.frameName]]; window->ns.view = [[GLFWContentView alloc] initWithGlfwWindow:window]; if (wndconfig->ns.retina) [window->ns.view setWantsBestResolutionOpenGLSurface:YES]; if (fbconfig->transparent) { [window->ns.object setOpaque:NO]; [window->ns.object setBackgroundColor:[NSColor clearColor]]; } [window->ns.object setContentView:window->ns.view]; [window->ns.object makeFirstResponder:window->ns.view]; [window->ns.object setTitle:[NSString stringWithUTF8String:wndconfig->title]]; [window->ns.object setDelegate:window->ns.delegate]; [window->ns.object setAcceptsMouseMovedEvents:YES]; [window->ns.object setRestorable:NO]; _glfwPlatformGetWindowSize(window, &window->ns.width, &window->ns.height); _glfwPlatformGetFramebufferSize(window, &window->ns.fbWidth, &window->ns.fbHeight); return GLFW_TRUE; } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformCreateWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWctxconfig* ctxconfig, const _GLFWfbconfig* fbconfig) { if (!initializeAppKit()) return GLFW_FALSE; if (!createNativeWindow(window, wndconfig, fbconfig)) return GLFW_FALSE; if (ctxconfig->client != GLFW_NO_API) { if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API) { if (!_glfwInitNSGL()) return GLFW_FALSE; if (!_glfwCreateContextNSGL(window, ctxconfig, fbconfig)) return GLFW_FALSE; } else if (ctxconfig->source == GLFW_EGL_CONTEXT_API) { if (!_glfwInitEGL()) return GLFW_FALSE; if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig)) return GLFW_FALSE; } else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API) { if (!_glfwInitOSMesa()) return GLFW_FALSE; if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig)) return GLFW_FALSE; } } if (window->monitor) { _glfwPlatformShowWindow(window); _glfwPlatformFocusWindow(window); if (!acquireMonitor(window)) return GLFW_FALSE; if (wndconfig->centerCursor) centerCursor(window); } return GLFW_TRUE; } void _glfwPlatformDestroyWindow(_GLFWwindow* window) { if (_glfw.ns.disabledCursorWindow == window) _glfw.ns.disabledCursorWindow = NULL; [window->ns.object orderOut:nil]; if (window->monitor) releaseMonitor(window); if (window->context.destroy) window->context.destroy(window); [window->ns.object setDelegate:nil]; [window->ns.delegate release]; window->ns.delegate = nil; [window->ns.view release]; window->ns.view = nil; [window->ns.object close]; window->ns.object = nil; [_glfw.ns.autoreleasePool drain]; _glfw.ns.autoreleasePool = [[NSAutoreleasePool alloc] init]; } void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char *title) { NSString* string = [NSString stringWithUTF8String:title]; [window->ns.object setTitle:string]; // HACK: Set the miniwindow title explicitly as setTitle: doesn't update it // if the window lacks NSWindowStyleMaskTitled [window->ns.object setMiniwindowTitle:string]; } void _glfwPlatformSetWindowIcon(_GLFWwindow* window, int count, const GLFWimage* images) { // Regular windows do not have icons } void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos) { const NSRect contentRect = [window->ns.object contentRectForFrameRect:[window->ns.object frame]]; if (xpos) *xpos = contentRect.origin.x; if (ypos) *ypos = transformY(contentRect.origin.y + contentRect.size.height); } void _glfwPlatformSetWindowPos(_GLFWwindow* window, int x, int y) { const NSRect contentRect = [window->ns.view frame]; const NSRect dummyRect = NSMakeRect(x, transformY(y + contentRect.size.height), 0, 0); const NSRect frameRect = [window->ns.object frameRectForContentRect:dummyRect]; [window->ns.object setFrameOrigin:frameRect.origin]; } void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height) { const NSRect contentRect = [window->ns.view frame]; if (width) *width = contentRect.size.width; if (height) *height = contentRect.size.height; } void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height) { if (window->monitor) { if (window->monitor->window == window) acquireMonitor(window); } else [window->ns.object setContentSize:NSMakeSize(width, height)]; } void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight) { if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE) [window->ns.object setContentMinSize:NSMakeSize(0, 0)]; else [window->ns.object setContentMinSize:NSMakeSize(minwidth, minheight)]; if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE) [window->ns.object setContentMaxSize:NSMakeSize(DBL_MAX, DBL_MAX)]; else [window->ns.object setContentMaxSize:NSMakeSize(maxwidth, maxheight)]; } void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom) { if (numer == GLFW_DONT_CARE || denom == GLFW_DONT_CARE) [window->ns.object setResizeIncrements:NSMakeSize(1.0, 1.0)]; else [window->ns.object setContentAspectRatio:NSMakeSize(numer, denom)]; } void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height) { const NSRect contentRect = [window->ns.view frame]; const NSRect fbRect = [window->ns.view convertRectToBacking:contentRect]; if (width) *width = (int) fbRect.size.width; if (height) *height = (int) fbRect.size.height; } void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window, int* left, int* top, int* right, int* bottom) { const NSRect contentRect = [window->ns.view frame]; const NSRect frameRect = [window->ns.object frameRectForContentRect:contentRect]; if (left) *left = contentRect.origin.x - frameRect.origin.x; if (top) *top = frameRect.origin.y + frameRect.size.height - contentRect.origin.y - contentRect.size.height; if (right) *right = frameRect.origin.x + frameRect.size.width - contentRect.origin.x - contentRect.size.width; if (bottom) *bottom = contentRect.origin.y - frameRect.origin.y; } void _glfwPlatformGetWindowContentScale(_GLFWwindow* window, float* xscale, float* yscale) { const NSRect points = [window->ns.view frame]; const NSRect pixels = [window->ns.view convertRectToBacking:points]; if (xscale) *xscale = (float) (pixels.size.width / points.size.width); if (yscale) *yscale = (float) (pixels.size.height / points.size.height); } void _glfwPlatformIconifyWindow(_GLFWwindow* window) { [window->ns.object miniaturize:nil]; } void _glfwPlatformRestoreWindow(_GLFWwindow* window) { if ([window->ns.object isMiniaturized]) [window->ns.object deminiaturize:nil]; else if ([window->ns.object isZoomed]) [window->ns.object zoom:nil]; } void _glfwPlatformMaximizeWindow(_GLFWwindow* window) { if (![window->ns.object isZoomed]) [window->ns.object zoom:nil]; } void _glfwPlatformShowWindow(_GLFWwindow* window) { [window->ns.object orderFront:nil]; } void _glfwPlatformHideWindow(_GLFWwindow* window) { [window->ns.object orderOut:nil]; } void _glfwPlatformRequestWindowAttention(_GLFWwindow* window) { [NSApp requestUserAttention:NSInformationalRequest]; } void _glfwPlatformFocusWindow(_GLFWwindow* window) { // Make us the active application // HACK: This has been moved here from initializeAppKit to prevent // applications using only hidden windows from being activated, but // should probably not be done every time any window is shown [NSApp activateIgnoringOtherApps:YES]; [window->ns.object makeKeyAndOrderFront:nil]; } void _glfwPlatformSetWindowMonitor(_GLFWwindow* window, _GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate) { if (window->monitor == monitor) { if (monitor) { if (monitor->window == window) acquireMonitor(window); } else { const NSRect contentRect = NSMakeRect(xpos, transformY(ypos + height), width, height); const NSRect frameRect = [window->ns.object frameRectForContentRect:contentRect styleMask:getStyleMask(window)]; [window->ns.object setFrame:frameRect display:YES]; } return; } if (window->monitor) releaseMonitor(window); _glfwInputWindowMonitor(window, monitor); // HACK: Allow the state cached in Cocoa to catch up to reality // TODO: Solve this in a less terrible way _glfwPlatformPollEvents(); const NSUInteger styleMask = getStyleMask(window); [window->ns.object setStyleMask:styleMask]; [window->ns.object makeFirstResponder:window->ns.view]; if (monitor) { [window->ns.object setLevel:NSMainMenuWindowLevel + 1]; [window->ns.object setHasShadow:NO]; acquireMonitor(window); } else { NSRect contentRect = NSMakeRect(xpos, transformY(ypos + height), width, height); NSRect frameRect = [window->ns.object frameRectForContentRect:contentRect styleMask:styleMask]; [window->ns.object setFrame:frameRect display:YES]; if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE) { [window->ns.object setContentAspectRatio:NSMakeSize(window->numer, window->denom)]; } if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE) { [window->ns.object setContentMinSize:NSMakeSize(window->minwidth, window->minheight)]; } if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE) { [window->ns.object setContentMaxSize:NSMakeSize(window->maxwidth, window->maxheight)]; } if (window->floating) [window->ns.object setLevel:NSFloatingWindowLevel]; else [window->ns.object setLevel:NSNormalWindowLevel]; [window->ns.object setHasShadow:YES]; // HACK: Clearing NSWindowStyleMaskTitled resets and disables the window // title property but the miniwindow title property is unaffected [window->ns.object setTitle:[window->ns.object miniwindowTitle]]; } } int _glfwPlatformWindowFocused(_GLFWwindow* window) { return [window->ns.object isKeyWindow]; } int _glfwPlatformWindowIconified(_GLFWwindow* window) { return [window->ns.object isMiniaturized]; } int _glfwPlatformWindowVisible(_GLFWwindow* window) { return [window->ns.object isVisible]; } int _glfwPlatformWindowMaximized(_GLFWwindow* window) { return [window->ns.object isZoomed]; } int _glfwPlatformFramebufferTransparent(_GLFWwindow* window) { return ![window->ns.object isOpaque] && ![window->ns.view isOpaque]; } void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled) { [window->ns.object setStyleMask:getStyleMask(window)]; } void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled) { [window->ns.object setStyleMask:getStyleMask(window)]; [window->ns.object makeFirstResponder:window->ns.view]; } void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled) { if (enabled) [window->ns.object setLevel:NSFloatingWindowLevel]; else [window->ns.object setLevel:NSNormalWindowLevel]; } float _glfwPlatformGetWindowOpacity(_GLFWwindow* window) { return (float) [window->ns.object alphaValue]; } void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity) { [window->ns.object setAlphaValue:opacity]; } void _glfwPlatformPollEvents(void) { for (;;) { NSEvent* event = [NSApp nextEventMatchingMask:NSEventMaskAny untilDate:[NSDate distantPast] inMode:NSDefaultRunLoopMode dequeue:YES]; if (event == nil) break; [NSApp sendEvent:event]; } [_glfw.ns.autoreleasePool drain]; _glfw.ns.autoreleasePool = [[NSAutoreleasePool alloc] init]; } void _glfwPlatformWaitEvents(void) { // I wanted to pass NO to dequeue:, and rely on PollEvents to // dequeue and send. For reasons not at all clear to me, passing // NO to dequeue: causes this method never to return. NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:YES]; [NSApp sendEvent:event]; _glfwPlatformPollEvents(); } void _glfwPlatformWaitEventsTimeout(double timeout) { NSDate* date = [NSDate dateWithTimeIntervalSinceNow:timeout]; NSEvent* event = [NSApp nextEventMatchingMask:NSEventMaskAny untilDate:date inMode:NSDefaultRunLoopMode dequeue:YES]; if (event) [NSApp sendEvent:event]; _glfwPlatformPollEvents(); } void _glfwPlatformPostEmptyEvent(void) { NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; NSEvent* event = [NSEvent otherEventWithType:NSEventTypeApplicationDefined location:NSMakePoint(0, 0) modifierFlags:0 timestamp:0 windowNumber:0 context:nil subtype:0 data1:0 data2:0]; [NSApp postEvent:event atStart:YES]; [pool drain]; } void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos) { const NSRect contentRect = [window->ns.view frame]; const NSPoint pos = [window->ns.object mouseLocationOutsideOfEventStream]; if (xpos) *xpos = pos.x; if (ypos) *ypos = contentRect.size.height - pos.y - 1; } void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y) { updateCursorImage(window); const NSRect contentRect = [window->ns.view frame]; const NSPoint pos = [window->ns.object mouseLocationOutsideOfEventStream]; window->ns.cursorWarpDeltaX += x - pos.x; window->ns.cursorWarpDeltaY += y - contentRect.size.height + pos.y; if (window->monitor) { CGDisplayMoveCursorToPoint(window->monitor->ns.displayID, CGPointMake(x, y)); } else { const NSRect localRect = NSMakeRect(x, contentRect.size.height - y - 1, 0, 0); const NSRect globalRect = [window->ns.object convertRectToScreen:localRect]; const NSPoint globalPoint = globalRect.origin; CGWarpMouseCursorPosition(CGPointMake(globalPoint.x, transformY(globalPoint.y))); } } void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode) { if (mode == GLFW_CURSOR_DISABLED) { _glfw.ns.disabledCursorWindow = window; _glfwPlatformGetCursorPos(window, &_glfw.ns.restoreCursorPosX, &_glfw.ns.restoreCursorPosY); centerCursor(window); CGAssociateMouseAndMouseCursorPosition(false); } else if (_glfw.ns.disabledCursorWindow == window) { _glfw.ns.disabledCursorWindow = NULL; CGAssociateMouseAndMouseCursorPosition(true); _glfwPlatformSetCursorPos(window, _glfw.ns.restoreCursorPosX, _glfw.ns.restoreCursorPosY); } if (cursorInClientArea(window)) updateCursorImage(window); } const char* _glfwPlatformGetScancodeName(int scancode) { UInt32 deadKeyState = 0; UniChar characters[8]; UniCharCount characterCount = 0; if (UCKeyTranslate([(NSData*) _glfw.ns.unicodeData bytes], scancode, kUCKeyActionDisplay, 0, LMGetKbdType(), kUCKeyTranslateNoDeadKeysBit, &deadKeyState, sizeof(characters) / sizeof(characters[0]), &characterCount, characters) != noErr) { return NULL; } if (!characterCount) return NULL; CFStringRef string = CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, characters, characterCount, kCFAllocatorNull); CFStringGetCString(string, _glfw.ns.keyName, sizeof(_glfw.ns.keyName), kCFStringEncodingUTF8); CFRelease(string); return _glfw.ns.keyName; } int _glfwPlatformGetKeyScancode(int key) { return _glfw.ns.scancodes[key]; } int _glfwPlatformCreateCursor(_GLFWcursor* cursor, const GLFWimage* image, int xhot, int yhot) { NSImage* native; NSBitmapImageRep* rep; if (!initializeAppKit()) return GLFW_FALSE; rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL pixelsWide:image->width pixelsHigh:image->height bitsPerSample:8 samplesPerPixel:4 hasAlpha:YES isPlanar:NO colorSpaceName:NSCalibratedRGBColorSpace bitmapFormat:NSAlphaNonpremultipliedBitmapFormat bytesPerRow:image->width * 4 bitsPerPixel:32]; if (rep == nil) return GLFW_FALSE; memcpy([rep bitmapData], image->pixels, image->width * image->height * 4); native = [[NSImage alloc] initWithSize:NSMakeSize(image->width, image->height)]; [native addRepresentation:rep]; cursor->ns.object = [[NSCursor alloc] initWithImage:native hotSpot:NSMakePoint(xhot, yhot)]; [native release]; [rep release]; if (cursor->ns.object == nil) return GLFW_FALSE; return GLFW_TRUE; } int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape) { if (!initializeAppKit()) return GLFW_FALSE; if (shape == GLFW_ARROW_CURSOR) cursor->ns.object = [NSCursor arrowCursor]; else if (shape == GLFW_IBEAM_CURSOR) cursor->ns.object = [NSCursor IBeamCursor]; else if (shape == GLFW_CROSSHAIR_CURSOR) cursor->ns.object = [NSCursor crosshairCursor]; else if (shape == GLFW_HAND_CURSOR) cursor->ns.object = [NSCursor pointingHandCursor]; else if (shape == GLFW_HRESIZE_CURSOR) cursor->ns.object = [NSCursor resizeLeftRightCursor]; else if (shape == GLFW_VRESIZE_CURSOR) cursor->ns.object = [NSCursor resizeUpDownCursor]; if (!cursor->ns.object) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to retrieve standard cursor"); return GLFW_FALSE; } [cursor->ns.object retain]; return GLFW_TRUE; } void _glfwPlatformDestroyCursor(_GLFWcursor* cursor) { if (cursor->ns.object) [(NSCursor*) cursor->ns.object release]; } void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor) { if (cursorInClientArea(window)) updateCursorImage(window); } void _glfwPlatformSetClipboardString(const char* string) { NSArray* types = [NSArray arrayWithObjects:NSStringPboardType, nil]; NSPasteboard* pasteboard = [NSPasteboard generalPasteboard]; [pasteboard declareTypes:types owner:nil]; [pasteboard setString:[NSString stringWithUTF8String:string] forType:NSStringPboardType]; } const char* _glfwPlatformGetClipboardString(void) { NSPasteboard* pasteboard = [NSPasteboard generalPasteboard]; if (![[pasteboard types] containsObject:NSStringPboardType]) { _glfwInputError(GLFW_FORMAT_UNAVAILABLE, "Cocoa: Failed to retrieve string from pasteboard"); return NULL; } NSString* object = [pasteboard stringForType:NSStringPboardType]; if (!object) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to retrieve object from pasteboard"); return NULL; } free(_glfw.ns.clipboardString); _glfw.ns.clipboardString = strdup([object UTF8String]); return _glfw.ns.clipboardString; } void _glfwPlatformGetRequiredInstanceExtensions(char** extensions) { if (!_glfw.vk.KHR_surface || !_glfw.vk.MVK_macos_surface) return; extensions[0] = "VK_KHR_surface"; extensions[1] = "VK_MVK_macos_surface"; } int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily) { return GLFW_TRUE; } VkResult _glfwPlatformCreateWindowSurface(VkInstance instance, _GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface) { #if MAC_OS_X_VERSION_MAX_ALLOWED >= 101100 VkResult err; VkMacOSSurfaceCreateInfoMVK sci; PFN_vkCreateMacOSSurfaceMVK vkCreateMacOSSurfaceMVK; vkCreateMacOSSurfaceMVK = (PFN_vkCreateMacOSSurfaceMVK) vkGetInstanceProcAddr(instance, "vkCreateMacOSSurfaceMVK"); if (!vkCreateMacOSSurfaceMVK) { _glfwInputError(GLFW_API_UNAVAILABLE, "Cocoa: Vulkan instance missing VK_MVK_macos_surface extension"); return VK_ERROR_EXTENSION_NOT_PRESENT; } // HACK: Dynamically load Core Animation to avoid adding an extra // dependency for the majority who don't use MoltenVK NSBundle* bundle = [NSBundle bundleWithPath:@"/System/Library/Frameworks/QuartzCore.framework"]; if (!bundle) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to find QuartzCore.framework"); return VK_ERROR_EXTENSION_NOT_PRESENT; } // NOTE: Create the layer here as makeBackingLayer should not return nil window->ns.layer = [[bundle classNamed:@"CAMetalLayer"] layer]; if (!window->ns.layer) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create layer for view"); return VK_ERROR_EXTENSION_NOT_PRESENT; } [window->ns.view setWantsLayer:YES]; memset(&sci, 0, sizeof(sci)); sci.sType = VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK; sci.pView = window->ns.view; err = vkCreateMacOSSurfaceMVK(instance, &sci, allocator, surface); if (err) { _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create Vulkan surface: %s", _glfwGetVulkanResultString(err)); } return err; #else return VK_ERROR_EXTENSION_NOT_PRESENT; #endif } ////////////////////////////////////////////////////////////////////////// ////// GLFW native API ////// ////////////////////////////////////////////////////////////////////////// GLFWAPI id glfwGetCocoaWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; _GLFW_REQUIRE_INIT_OR_RETURN(nil); return window->ns.object; }