public override System.Drawing.Point PointToScreen(System.Drawing.Point point)
{
var r =
Cocoa.SendRect(windowInfo.Handle, selConvertRectToScreen,
Cocoa.SendRect(windowInfo.ViewHandle, selConvertRectFromBacking,
new RectangleF(point.X, Height - point.Y, 0, 0)));
return(new Point((int)r.X, (int)(GetCurrentScreenFrame().Height - r.Y)));
}
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);
}
}
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 RectangleF GetCurrentScreenVisibleFrame()
{
return(Cocoa.SendRect(GetCurrentScreen(), selVisibleFrame));
}
private RectangleF GetContentViewFrame()
{
return(Cocoa.SendRect(windowInfo.ViewHandle, selFrame));
}