static NSApplication()
{
Cocoa.Initialize();
// Register a Quit method to be called on cmd-q
IntPtr nsapp = Class.Get("NSApplication");
Class.RegisterMethod(nsapp, OnQuitHandler, "quit", "v@:");
// Fetch the application handle
Handle = Cocoa.SendIntPtr(nsapp, Selector.Get("sharedApplication"));
// Setup the application
Cocoa.SendBool(Handle, Selector.Get("setActivationPolicy:"), (int)NSApplicationActivationPolicy.Regular);
Cocoa.SendVoid(Handle, Selector.Get("discardEventsMatchingMask:beforeEvent:"), uint.MaxValue, IntPtr.Zero);
Cocoa.SendVoid(Handle, Selector.Get("activateIgnoringOtherApps:"), true);
if (Cocoa.SendIntPtr(Handle, Selector.Get("mainMenu")) == IntPtr.Zero)
{
// Create the menu bar
var menubar = Cocoa.SendIntPtr(Class.Get("NSMenu"), Selector.Alloc);
var menuItem = Cocoa.SendIntPtr(Class.Get("NSMenuItem"), Selector.Alloc);
// Add menu item to bar, and bar to application
Cocoa.SendIntPtr(menubar, Selector.Get("addItem:"), menuItem);
Cocoa.SendIntPtr(Handle, Selector.Get("setMainMenu:"), menubar);
// Add a "Quit" menu item and bind the button.
var appMenu = Cocoa.SendIntPtr(Class.Get("NSMenu"), Selector.Alloc);
var quitMenuItem = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenuItem"), Selector.Alloc),
Selector.Get("initWithTitle:action:keyEquivalent:"), Cocoa.ToNSString("Quit"), selQuit, Cocoa.ToNSString("q"));
Cocoa.SendIntPtr(appMenu, Selector.Get("addItem:"), quitMenuItem);
Cocoa.SendIntPtr(menuItem, Selector.Get("setSubmenu:"), appMenu);
// Tell cocoa we're ready to run the application (usually called by [NSApp run]).
// Note: if a main menu exists, then this method has already been called and
// calling it again will result in a crash. For this reason, we only call it
// when we create our own main menu.
Cocoa.SendVoid(Handle, Selector.Get("finishLaunching"));
}
// Disable momentum scrolling and long-press key pop-ups
IntPtr settings = Cocoa.SendIntPtr(Class.NSDictionary, Selector.Alloc);
//IntPtr momentum_scrolling = Cocoa.SendIntPtr(Class.NSNumber, Selector.Get("numberWithBool:"), false);
IntPtr press_and_hold = Cocoa.SendIntPtr(Class.NSNumber, Selector.Get("numberWithBool:"), false);
// Initialize and register the settings dictionary
settings =
Cocoa.SendIntPtr(settings, Selector.Get("initWithObjectsAndKeys:"),
//momentum_scrolling, Cocoa.ToNSString("AppleMomentumScrollSupported"),
press_and_hold, Cocoa.ToNSString("ApplePressAndHoldEnabled"),
IntPtr.Zero);
Cocoa.SendVoid(
Cocoa.SendIntPtr(Class.NSUserDefaults, Selector.Get("standardUserDefaults")),
Selector.Get("registerDefaults:"),
settings);
Cocoa.SendVoid(settings, Selector.Release);
}
internal static void Initialize()
{
// Create the NSAutoreleasePool
AutoreleasePool = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.NSAutoreleasePool, Selector.Alloc), Selector.Init);
// Register a Quit method to be called on cmd-q
IntPtr nsapp = Class.Get("NSApplication");
Class.RegisterMethod(nsapp, new OnQuitDelegate(OnQuit), "quit", "v@:");
// Fetch the application handle
Handle = Cocoa.SendIntPtr(nsapp, Selector.Get("sharedApplication"));
// Setup the application
Cocoa.SendBool(Handle, Selector.Get("setActivationPolicy:"), (int)NSApplicationActivationPolicy.Regular);
Cocoa.SendVoid(Handle, Selector.Get("activateIgnoringOtherApps:"), true);
// Create the menu bar
var menubar = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenu"), Selector.Alloc),
Selector.Autorelease);
var menuItem = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenuItem"), Selector.Alloc),
Selector.Autorelease);
// Add menu item to bar, and bar to application
Cocoa.SendIntPtr(menubar, Selector.Get("addItem:"), menuItem);
Cocoa.SendIntPtr(Handle, Selector.Get("setMainMenu:"), menubar);
// Add a "Quit" menu item and bind the button.
var appMenu = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenu"), Selector.Alloc),
Selector.Autorelease);
var quitMenuItem = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenuItem"), Selector.Alloc),
Selector.Get("initWithTitle:action:keyEquivalent:"), Cocoa.ToNSString("Quit"), selQuit, Cocoa.ToNSString("q")),
Selector.Autorelease);
Cocoa.SendIntPtr(appMenu, Selector.Get("addItem:"), quitMenuItem);
Cocoa.SendIntPtr(menuItem, Selector.Get("setSubmenu:"), appMenu);
// Tell cocoa we're ready to run the application (usually called by [NSApp run]).
Cocoa.SendVoid(Handle, Selector.Get("finishLaunching"));
// Disable momentum scrolling and long-press key pop-ups
IntPtr settings = Cocoa.SendIntPtr(Class.NSDictionary, Selector.Alloc);
IntPtr momentum_scrolling = Cocoa.SendIntPtr(Class.NSNumber, Selector.Get("numberWithBool:"), false);
IntPtr press_and_hold = Cocoa.SendIntPtr(Class.NSNumber, Selector.Get("numberWithBool:"), false);
// Initialize and register the settings dictionary
settings =
Cocoa.SendIntPtr(settings, Selector.Get("initWithObjectsAndKeys:"),
//momentum_scrolling, Cocoa.ToNSString("AppleMomentumScrollSupported"),
press_and_hold, Cocoa.ToNSString("ApplePressAndHoldEnabled"),
IntPtr.Zero);
Cocoa.SendVoid(
Cocoa.SendIntPtr(Class.NSUserDefaults, Selector.Get("standardUserDefaults")),
Selector.Get("registerDefaults:"),
settings);
Cocoa.SendVoid(settings, Selector.Release);
}
private void SetTitle(string newTitle, bool callEvent)
{
title = newTitle ?? "";
Cocoa.SendIntPtr(windowInfo.Handle, selSetTitle, Cocoa.ToNSString(title));
if (callEvent)
{
OnTitleChanged(EventArgs.Empty);
}
}
/// <summary>
/// Constructs a new instance with the specified parameters.
/// </summary>
/// <param name="nsWindowRef">A valid NSWindow reference.</param>
/// <param name="nsViewRef">A valid NSView reference.</param>
public CocoaWindowInfo(IntPtr nsWindowRef, IntPtr nsViewRef)
{
if (nsWindowRef == IntPtr.Zero)
{
nsWindowRef = Cocoa.SendIntPtr(nsViewRef, selWindow);
}
this.Handle = nsWindowRef;
this.ViewHandle = nsViewRef;
Cocoa.SendVoid(nsWindowRef, Selector.Retain);
}
public static IntPtr ToNSString(string str)
{
if (str == null)
{
return(IntPtr.Zero);
}
unsafe
{
fixed(char *ptrFirstChar = str)
{
var handle = Cocoa.SendIntPtr(Class.Get("NSString"), Selector.Alloc);
handle = Cocoa.SendIntPtr(handle, Selector.Get("initWithCharacters:length:"), (IntPtr)ptrFirstChar, str.Length);
return(handle);
}
}
}
public static unsafe IntPtr ToNSImage(Image img)
{
using (System.IO.MemoryStream s = new System.IO.MemoryStream())
{
img.Save(s, ImageFormat.Png);
byte[] b = s.ToArray();
fixed(byte *pBytes = b)
{
IntPtr nsData = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSData"), Selector.Alloc),
Selector.Get("initWithBytes:length:"), (IntPtr)pBytes, b.Length);
IntPtr nsImage = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSImage"), Selector.Alloc),
Selector.Get("initWithData:"), nsData);
Cocoa.SendVoid(nsData, Selector.Release);
return(nsImage);
}
}
}
private void ResetTrackingArea()
{
var owner = windowInfo.ViewHandle;
if (trackingArea != IntPtr.Zero)
{
Cocoa.SendVoid(owner, selRemoveTrackingArea, trackingArea);
Cocoa.SendVoid(trackingArea, Selector.Release);
}
var ownerBounds = Cocoa.SendRect(owner, selBounds);
var options = (int)(
NSTrackingAreaOptions.MouseEnteredAndExited |
NSTrackingAreaOptions.ActiveInKeyWindow |
NSTrackingAreaOptions.MouseMoved |
NSTrackingAreaOptions.CursorUpdate);
trackingArea = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSTrackingArea"), Selector.Alloc),
selInitWithRect, ownerBounds, options, owner, IntPtr.Zero);
Cocoa.SendVoid(owner, selAddTrackingArea, trackingArea);
}
void ResetCursorRects(IntPtr sender, IntPtr cmd)
{
// We will add a new cursor rectangle that covers the complete view
var rect = Cocoa.SendRect(windowInfo.ViewHandle, selBounds);
// Inside this rectangle, the following NSCursor will be used
var cursor = IntPtr.Zero;
if (selectedCursor == MouseCursor.Default)
{
cursor = Cocoa.SendIntPtr(NSCursor, selArrowCursor);
}
else
{
cursor = ToNSCursor(selectedCursor);
}
// Setup the cursor rectangle
if (cursor != IntPtr.Zero)
{
Cocoa.SendVoid(sender, selAddCursorRect, rect, cursor);
}
}
/// <summary>
/// Allocates and initializes a new <see cref="NSAutoreleasePool" />.
/// </summary>
public NSAutoreleasePool()
{
var uninitializedPool = Cocoa.SendIntPtr(Class.NSAutoreleasePool, Selector.Alloc);
_autoreleasePool = Cocoa.SendIntPtr(uninitializedPool, Selector.Init);
}
/// <summary>
/// Constructs a new instance with the specified parameters.
/// </summary>
/// <remarks>This constructor assumes that the NSWindow's contentView is the NSView we want to attach to our context.</remarks>
/// <param name="nsWindowRef">A valid NSWindow reference.</param>
public CocoaWindowInfo(IntPtr nsWindowRef) : this(nsWindowRef, Cocoa.SendIntPtr(nsWindowRef, selContentView))
{
}
static IntPtr ToNSCursor(MouseCursor cursor)
{
// We need to allocate a NSBitmapImageRep, fill it with pixels
// and then convert it to a NSImage.
// According to the documentation, alpha-enabled formats should
// premultiply alpha, even though that "generally has negligible
// effect on output quality."
IntPtr imgdata =
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(NSBitmapImageRep, Selector.Alloc),
selInitWithBitmapDataPlanes,
IntPtr.Zero,
cursor.Width,
cursor.Height,
8,
4,
1,
0,
NSDeviceRGBColorSpace,
NSBitmapFormat.AlphaFirst,
4 * cursor.Width,
32),
Selector.Autorelease);
if (imgdata == IntPtr.Zero)
{
Debug.Print("Failed to create NSBitmapImageRep with size ({0},{1]})",
cursor.Width, cursor.Height);
return(IntPtr.Zero);
}
// Copy the cursor data
int i = 0;
IntPtr data = Cocoa.SendIntPtr(imgdata, selBitmapData);
for (int y = 0; y < cursor.Height; y++)
{
for (int x = 0; x < cursor.Width; x++)
{
uint argb = unchecked ((uint)BitConverter.ToInt32(cursor.Data, i));
if (BitConverter.IsLittleEndian)
{
argb =
(argb & 0x000000FFu) << 24 |
(argb & 0x0000FF00u) << 8 |
(argb & 0x00FF0000u) >> 8 |
(argb & 0xFF000000u) >> 24;
}
Marshal.WriteInt32(data, i, unchecked ((int)argb));
i += 4;
}
}
// Construct the actual NSImage
IntPtr img =
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(NSImage, Selector.Alloc),
selInitWithSize,
new SizeF(cursor.Width, cursor.Height)),
Selector.Autorelease);
if (img == IntPtr.Zero)
{
Debug.Print("Failed to construct NSImage from NSBitmapImageRep");
return(IntPtr.Zero);
}
Cocoa.SendVoid(img, selAddRepresentation, imgdata);
// Convert the NSImage to a NSCursor
IntPtr nscursor =
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(NSCursor, Selector.Alloc),
selInitWithImageHotSpot,
img,
new PointF(cursor.X, cursor.Y)
),
Selector.Autorelease);
return(nscursor);
}
public override void ProcessEvents()
{
base.ProcessEvents();
while (true)
{
var e = Cocoa.SendIntPtr(NSApplication.Handle, selNextEventMatchingMask, uint.MaxValue, IntPtr.Zero, NSDefaultRunLoopMode, true);
if (e == IntPtr.Zero)
{
break;
}
var type = (NSEventType)Cocoa.SendInt(e, selType);
switch (type)
{
case NSEventType.KeyDown:
{
MacOSKeyCode keyCode = (MacOSKeyCode)Cocoa.SendUshort(e, selKeyCode);
var isARepeat = Cocoa.SendBool(e, selIsARepeat);
Key key = MacOSKeyMap.GetKey(keyCode);
OnKeyDown(key, isARepeat);
var s = Cocoa.FromNSString(Cocoa.SendIntPtr(e, selCharactersIgnoringModifiers));
foreach (var c in s)
{
int intVal = (int)c;
if (!Char.IsControl(c) && (intVal < 63232 || intVal > 63235))
{
// For some reason, arrow keys (mapped 63232-63235)
// are seen as non-control characters, so get rid of those.
OnKeyPress(c);
}
}
}
break;
case NSEventType.KeyUp:
{
MacOSKeyCode keyCode = (MacOSKeyCode)Cocoa.SendUshort(e, selKeyCode);
Key key = MacOSKeyMap.GetKey(keyCode);
OnKeyUp(key);
}
break;
case NSEventType.FlagsChanged:
{
var modifierFlags = (NSEventModifierMask)Cocoa.SendUint(e, selModifierFlags);
UpdateModifierFlags(GetModifiers(modifierFlags));
}
break;
case NSEventType.MouseEntered:
{
var eventTrackingArea = Cocoa.SendIntPtr(e, selTrackingArea);
var trackingAreaOwner = Cocoa.SendIntPtr(eventTrackingArea, selOwner);
if (trackingAreaOwner == windowInfo.ViewHandle)
{
if (selectedCursor != MouseCursor.Default)
{
//SetCursor(selectedCursor);
}
OnMouseEnter(EventArgs.Empty);
}
}
break;
case NSEventType.MouseExited:
{
var eventTrackingArea = Cocoa.SendIntPtr(e, selTrackingArea);
var trackingAreaOwner = Cocoa.SendIntPtr(eventTrackingArea, selOwner);
if (trackingAreaOwner == windowInfo.ViewHandle)
{
if (selectedCursor != MouseCursor.Default)
{
//SetCursor(MouseCursor.Default);
}
OnMouseLeave(EventArgs.Empty);
}
}
break;
case NSEventType.LeftMouseDragged:
case NSEventType.RightMouseDragged:
case NSEventType.OtherMouseDragged:
case NSEventType.MouseMoved:
{
Point p = new Point(MouseState.X, MouseState.Y);
if (CursorVisible)
{
// Use absolute coordinates
var pf = Cocoa.SendPoint(e, selLocationInWindowOwner);
// Convert from points to pixel coordinates
var rf = Cocoa.SendRect(windowInfo.Handle, selConvertRectToBacking,
new RectangleF(pf.X, pf.Y, 0, 0));
// See CocoaDrawingGuide under "Converting from Window to View Coordinates"
p = new Point(
MathHelper.Clamp((int)Math.Round(rf.X), 0, Width),
MathHelper.Clamp((int)Math.Round(Height - rf.Y), 0, Height));
}
else
{
// Mouse has been disassociated,
// use relative coordinates
var dx = Cocoa.SendFloat(e, selDeltaX);
var dy = Cocoa.SendFloat(e, selDeltaY);
p = new Point(
MathHelper.Clamp((int)Math.Round(p.X + dx), 0, Width),
MathHelper.Clamp((int)Math.Round(p.Y + dy), 0, Height));
}
// Only raise events when the mouse has actually moved
if (MouseState.X != p.X || MouseState.Y != p.Y)
{
OnMouseMove(p.X, p.Y);
}
}
break;
case NSEventType.CursorUpdate:
break;
case NSEventType.ScrollWheel:
{
float dx, dy;
if (Cocoa.SendBool(e, selHasPreciseScrollingDeltas))
{
dx = Cocoa.SendFloat(e, selScrollingDeltaX) * MacOSFactory.ScrollFactor;
dy = Cocoa.SendFloat(e, selScrollingDeltaY) * MacOSFactory.ScrollFactor;
}
else
{
dx = Cocoa.SendFloat(e, selDeltaX);
dy = Cocoa.SendFloat(e, selDeltaY);
}
// Only raise wheel events when the user has actually scrolled
if (dx != 0 || dy != 0)
{
OnMouseWheel(dx, dy);
}
}
break;
case NSEventType.LeftMouseDown:
case NSEventType.RightMouseDown:
case NSEventType.OtherMouseDown:
{
var buttonNumber = Cocoa.SendInt(e, selButtonNumber);
OnMouseDown(GetMouseButton(buttonNumber));
}
break;
case NSEventType.LeftMouseUp:
case NSEventType.RightMouseUp:
case NSEventType.OtherMouseUp:
{
var buttonNumber = Cocoa.SendInt(e, selButtonNumber);
OnMouseUp(GetMouseButton(buttonNumber));
}
break;
}
Cocoa.SendVoid(NSApplication.Handle, selSendEvent, e);
}
// Handle closing
if (shouldClose)
{
shouldClose = false;
// PerformClose is equivalent to pressing the close-button, which
// does not work in a borderless window. Handle this special case.
if (GetStyleMask() == NSWindowStyle.Borderless)
{
if (WindowShouldClose(IntPtr.Zero, IntPtr.Zero, IntPtr.Zero))
{
Cocoa.SendVoid(windowInfo.Handle, selClose);
}
}
else
{
Cocoa.SendVoid(windowInfo.Handle, selPerformClose, windowInfo.Handle);
}
}
}
private MouseCursor selectedCursor = MouseCursor.Default; // user-selected cursor
public CocoaNativeWindow(int x, int y, int width, int height, string title, GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
{
// Create the window class
Interlocked.Increment(ref UniqueId);
windowClass = Class.AllocateClass("OpenTK_GameWindow" + UniqueId, "NSWindow");
Class.RegisterMethod(windowClass, new WindowKeyDownDelegate(WindowKeyDown), "keyDown:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidResizeDelegate(WindowDidResize), "windowDidResize:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidMoveDelegate(WindowDidMove), "windowDidMove:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidBecomeKeyDelegate(WindowDidBecomeKey), "windowDidBecomeKey:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidResignKeyDelegate(WindowDidResignKey), "windowDidResignKey:", "v@:@");
Class.RegisterMethod(windowClass, new WindowWillMiniaturizeDelegate(WindowWillMiniaturize), "windowWillMiniaturize:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidMiniaturizeDelegate(WindowDidMiniaturize), "windowDidMiniaturize:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidDeminiaturizeDelegate(WindowDidDeminiaturize), "windowDidDeminiaturize:", "v@:@");
Class.RegisterMethod(windowClass, new WindowShouldZoomToFrameDelegate(WindowShouldZoomToFrame), "windowShouldZoom:toFrame:", "b@:@{NSRect={NSPoint=ff}{NSSize=ff}}");
Class.RegisterMethod(windowClass, new WindowShouldCloseDelegate(WindowShouldClose), "windowShouldClose:", "b@:@");
Class.RegisterMethod(windowClass, new AcceptsFirstResponderDelegate(AcceptsFirstResponder), "acceptsFirstResponder", "b@:");
Class.RegisterMethod(windowClass, new CanBecomeKeyWindowDelegate(CanBecomeKeyWindow), "canBecomeKeyWindow", "b@:");
Class.RegisterMethod(windowClass, new CanBecomeMainWindowDelegate(CanBecomeMainWindow), "canBecomeMainWindow", "b@:");
Class.RegisterClass(windowClass);
IntPtr viewClass = Class.AllocateClass("OpenTK_NSView" + UniqueId, "NSView");
Class.RegisterMethod(viewClass, new ResetCursorRectsDelegate(ResetCursorRects), "resetCursorRects", "v@:");
Class.RegisterClass(viewClass);
// Create window instance
// Note: The coordinate system of Cocoa places (0,0) at the bottom left.
// We need to get the height of the main screen and flip that in order
// to place the window at the correct position.
// Note: NSWindows are laid out relative to the main screen.
var screenRect =
Cocoa.SendRect(
Cocoa.SendIntPtr(
Cocoa.SendIntPtr(Class.Get("NSScreen"), Selector.Get("screens")),
Selector.Get("objectAtIndex:"), 0),
Selector.Get("frame"));
var contentRect = new System.Drawing.RectangleF(x, screenRect.Height - height - y, width, height);
var style = GetStyleMask(windowBorder);
var bufferingType = NSBackingStore.Buffered;
IntPtr windowPtr;
windowPtr = Cocoa.SendIntPtr(windowClass, Selector.Alloc);
windowPtr = Cocoa.SendIntPtr(windowPtr, Selector.Get("initWithContentRect:styleMask:backing:defer:"), contentRect, (int)style, (int)bufferingType, false);
// Replace view with our custom implementation
// that overrides resetCursorRects (maybe there is
// a better way to implement this override?)
// Existing view:
IntPtr viewPtr = Cocoa.SendIntPtr(windowPtr, Selector.Get("contentView"));
// Our custom view with the same bounds:
viewPtr = Cocoa.SendIntPtr(
Cocoa.SendIntPtr(viewClass, Selector.Alloc),
Selector.Get("initWithFrame:"),
Cocoa.SendRect(viewPtr, selBounds));
if (viewPtr != IntPtr.Zero)
{
Cocoa.SendVoid(windowPtr, Selector.Get("setContentView:"), viewPtr);
}
windowInfo = new CocoaWindowInfo(windowPtr);
// Set up behavior
Cocoa.SendIntPtr(windowPtr, Selector.Get("setDelegate:"), windowPtr); // The window class acts as its own delegate
Cocoa.SendVoid(windowPtr, Selector.Get("makeKeyWindow"));
SetTitle(title, false);
ResetTrackingArea();
exists = true;
NSApplication.Quit += ApplicationQuit;
}
private IntPtr GetCurrentScreen()
{
return(Cocoa.SendIntPtr(windowInfo.Handle, selScreen));
}
public static IntPtr GetView(IntPtr windowHandle)
{
return(Cocoa.SendIntPtr(windowHandle, selContentView));
}