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 NSWindowStyle GetStyleMask()
{
return((NSWindowStyle)Cocoa.SendUint(windowInfo.Handle, selStyleMask));
}