Opentk/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs
2009-05-11 01:10:09 +00:00

779 lines
24 KiB
C#

//
//
// xCSCarbon
//
// Created by Erik Ylvisaker on 3/17/08.
// Copyright 2008 __MyCompanyName__. All rights reserved.
//
//
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Text;
namespace OpenTK.Platform.MacOS
{
using Carbon;
using Graphics;
class CarbonGLNative : INativeGLWindow
{
CarbonWindowInfo window;
CarbonInput mInputDriver;
GraphicsContext context;
static MacOSKeyMap Keymap = new MacOSKeyMap();
IntPtr uppHandler;
string title = "OpenTK Window";
short mWidth, mHeight;
short mWindowedWidth, mWindowedHeight;
bool mIsDisposed = false;
WindowAttributes mWindowAttrib;
WindowClass mWindowClass;
WindowPositionMethod mPositionMethod = WindowPositionMethod.CenterOnMainScreen;
int mTitlebarHeight;
private WindowBorder windowBorder = WindowBorder.Resizable;
private WindowState windowState = WindowState.Normal;
static Dictionary<IntPtr, WeakReference> mWindows = new Dictionary<IntPtr, WeakReference>();
static CarbonGLNative()
{
Application.Initialize();
}
public CarbonGLNative()
: this(WindowClass.Document,
WindowAttributes.StandardDocument |
WindowAttributes.StandardHandler |
WindowAttributes.InWindowMenu |
WindowAttributes.LiveResize)
{
}
private CarbonGLNative(WindowClass @class, WindowAttributes attrib)
{
mWindowClass = @class;
mWindowAttrib = attrib;
}
~CarbonGLNative()
{
Dispose(false);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (mIsDisposed)
return;
Debug.Print("Disposing of CarbonGLNative window.");
mIsDisposed = true;
if (disposing)
{
mWindows.Remove(window.WindowRef);
window.Dispose();
window = null;
}
DisposeUPP();
}
private void DisposeUPP()
{
if (uppHandler != IntPtr.Zero)
{
//API.RemoveEventHandler(uppHandler);
//API.DisposeEventHandlerUPP(uppHandler);
}
uppHandler = IntPtr.Zero;
}
void CreateNativeWindow(WindowClass @class, WindowAttributes attrib, Rect r)
{
Debug.Print("Creating window...");
Debug.Indent();
IntPtr windowRef = API.CreateNewWindow(@class, attrib, r);
API.SetWindowTitle(windowRef, title);
window = new CarbonWindowInfo(windowRef, true, false);
SetSize(r.Width, r.Height);
Debug.Unindent();
Debug.Print("Created window.");
mWindows.Add(windowRef, new WeakReference(this));
LoadSize();
Rect titleSize = API.GetWindowBounds(window.WindowRef, WindowRegionCode.TitleBarRegion);
mTitlebarHeight = titleSize.Height;
Debug.Print("Titlebar size: {0}", titleSize);
ConnectEvents();
System.Diagnostics.Debug.Print("Attached window events.");
}
void ConnectEvents()
{
mInputDriver = new CarbonInput();
EventTypeSpec[] eventTypes = new EventTypeSpec[]
{
new EventTypeSpec(EventClass.Window, WindowEventKind.WindowClose),
new EventTypeSpec(EventClass.Window, WindowEventKind.WindowClosed),
new EventTypeSpec(EventClass.Window, WindowEventKind.WindowBoundsChanged),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseDown),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseUp),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseMoved),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseDragged),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseEntered),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.MouseExited),
//new EventTypeSpec(EventClass.Mouse, MouseEventKind.WheelMoved),
//new EventTypeSpec(EventClass.Keyboard, KeyboardEventKind.RawKeyDown),
//new EventTypeSpec(EventClass.Keyboard, KeyboardEventKind.RawKeyRepeat),
//new EventTypeSpec(EventClass.Keyboard, KeyboardEventKind.RawKeyUp),
//new EventTypeSpec(EventClass.Keyboard, KeyboardEventKind.RawKeyModifiersChanged),
};
MacOSEventHandler handler = EventHandler;
uppHandler = API.NewEventHandlerUPP(handler);
API.InstallWindowEventHandler(window.WindowRef, uppHandler, eventTypes, window.WindowRef, IntPtr.Zero);
Application.WindowEventHandler = this;
}
public string Title
{
get
{
return title;
}
set
{
API.SetWindowTitle(window.WindowRef, value);
title = value;
}
}
public void Activate()
{
API.SelectWindow(window.WindowRef);
}
public void Show()
{
IntPtr parent = IntPtr.Zero;
API.ShowWindow(window.WindowRef);
API.RepositionWindow(window.WindowRef, parent, WindowPositionMethod);
API.SelectWindow(window.WindowRef);
}
public void Hide()
{
API.HideWindow(window.WindowRef);
}
public bool Visible
{
get { return API.IsWindowVisible(window.WindowRef); }
set
{
if (value && Visible == false)
Show();
else
Hide();
}
}
public bool IsDisposed
{
get { return mIsDisposed; }
}
public WindowPositionMethod WindowPositionMethod
{
get { return mPositionMethod; }
set { mPositionMethod = value; }
}
internal OSStatus DispatchEvent(IntPtr inCaller, IntPtr inEvent, EventInfo evt, IntPtr userData)
{
switch (evt.EventClass)
{
case EventClass.Window:
return ProcessWindowEvent(inCaller, inEvent, evt, userData);
case EventClass.Mouse:
return ProcessMouseEvent(inCaller, inEvent, evt, userData);
case EventClass.Keyboard:
return ProcessKeyboardEvent(inCaller, inEvent, evt, userData);
default:
return OSStatus.EventNotHandled;
}
}
protected static OSStatus EventHandler(IntPtr inCaller, IntPtr inEvent, IntPtr userData)
{
// bail out if the window passed in is not actually our window.
// I think this happens if using winforms with a GameWindow sometimes.
if (mWindows.ContainsKey(userData) == false)
return OSStatus.EventNotHandled;
WeakReference reference = mWindows[userData];
// bail out if the CarbonGLNative window has been garbage collected.
if (reference.IsAlive == false)
{
mWindows.Remove(userData);
return OSStatus.EventNotHandled;
}
EventInfo evt = new EventInfo(inEvent);
CarbonGLNative window = (CarbonGLNative)reference.Target;
//Debug.Print("Processing {0} event for {1}.", evt, window.window);
if (window == null)
{
Debug.WriteLine("Window for event not found.");
return OSStatus.EventNotHandled;
}
switch (evt.EventClass)
{
case EventClass.Window:
return window.ProcessWindowEvent(inCaller, inEvent, evt, userData);
case EventClass.Mouse:
return window.ProcessMouseEvent(inCaller, inEvent, evt, userData);
case EventClass.Keyboard:
return window.ProcessKeyboardEvent(inCaller, inEvent, evt, userData);
default:
return OSStatus.EventNotHandled;
}
}
private OSStatus ProcessKeyboardEvent(IntPtr inCaller, IntPtr inEvent, EventInfo evt, IntPtr userData)
{
System.Diagnostics.Debug.Assert(evt.EventClass == EventClass.Keyboard);
MacOSKeyCode code;
char charCode;
switch (evt.KeyboardEventKind)
{
case KeyboardEventKind.RawKeyRepeat:
GetCharCodes(inEvent, out code, out charCode);
InputDriver.Keyboard[0].KeyRepeat = true;
goto case KeyboardEventKind.RawKeyDown;
case KeyboardEventKind.RawKeyDown:
GetCharCodes(inEvent, out code, out charCode);
InputDriver.Keyboard[0][Keymap[code]] = true;
return OSStatus.EventNotHandled;
case KeyboardEventKind.RawKeyUp:
GetCharCodes(inEvent, out code, out charCode);
InputDriver.Keyboard[0][Keymap[code]] = false;
return OSStatus.EventNotHandled;
case KeyboardEventKind.RawKeyModifiersChanged:
ProcessModifierKey(inEvent);
return OSStatus.EventNotHandled;
default:
return OSStatus.EventNotHandled;
}
}
private OSStatus ProcessWindowEvent(IntPtr inCaller, IntPtr inEvent, EventInfo evt, IntPtr userData)
{
System.Diagnostics.Debug.Assert(evt.EventClass == EventClass.Window);
switch (evt.WindowEventKind)
{
case WindowEventKind.WindowClose:
CancelEventArgs cancel = new CancelEventArgs();
OnQueryWindowClose(cancel);
if (cancel.Cancel)
return OSStatus.NoError;
else
return OSStatus.EventNotHandled;
case WindowEventKind.WindowClosed:
OnWindowClosed();
return OSStatus.NoError;
case WindowEventKind.WindowBoundsChanged:
int thisWidth = Width;
int thisHeight = Height;
LoadSize();
if (thisWidth != Width || thisHeight != Height)
OnResize();
return OSStatus.EventNotHandled;
default:
Debug.Print("{0}", evt);
return OSStatus.EventNotHandled;
}
}
protected OSStatus ProcessMouseEvent(IntPtr inCaller, IntPtr inEvent, EventInfo evt, IntPtr userData)
{
System.Diagnostics.Debug.Assert(evt.EventClass == EventClass.Mouse);
MouseButton button = MouseButton.Primary;
HIPoint pt = new HIPoint();
OSStatus err ;
if (this.windowState == WindowState.Fullscreen)
{
err = API.GetEventMouseLocation(inEvent, out pt);
}
else
{
err = API.GetEventWindowMouseLocation(inEvent, out pt);
}
if (err != OSStatus.NoError)
{
// this error comes up from the application event handler.
if (err != OSStatus.EventParameterNotFound)
{
throw new MacOSException(err);
}
}
if (this.windowState == WindowState.Fullscreen)
{
InputDriver.Mouse[0].Position =
new System.Drawing.Point(
(int)pt.X,
(int)pt.Y);
}
else
{
// ignore clicks in the title bar
if (pt.Y < mTitlebarHeight)
return OSStatus.EventNotHandled;
InputDriver.Mouse[0].Position =
new System.Drawing.Point(
(int)pt.X,
(int)(pt.Y - mTitlebarHeight));
}
switch (evt.MouseEventKind)
{
case MouseEventKind.MouseDown:
button = API.GetEventMouseButton(inEvent);
switch (button)
{
case MouseButton.Primary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Left] = true;
break;
case MouseButton.Secondary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Right] = true;
break;
case MouseButton.Tertiary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Middle] = true;
break;
}
break;
case MouseEventKind.MouseUp:
switch (button)
{
case MouseButton.Primary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Left] = false;
break;
case MouseButton.Secondary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Right] = false;
break;
case MouseButton.Tertiary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Middle] = false;
break;
}
button = API.GetEventMouseButton(inEvent);
break;
case MouseEventKind.MouseMoved:
case MouseEventKind.MouseDragged:
//Debug.Print("MouseMoved: {0}", InputDriver.Mouse[0].Position);
return OSStatus.EventNotHandled;
default:
Debug.Print("{0}", evt);
return OSStatus.EventNotHandled;
}
return OSStatus.EventNotHandled;
}
private static void GetCharCodes(IntPtr inEvent, out MacOSKeyCode code, out char charCode)
{
code = API.GetEventKeyboardKeyCode(inEvent);
charCode = API.GetEventKeyboardChar(inEvent);
}
private void ProcessModifierKey(IntPtr inEvent)
{
MacOSKeyModifiers modifiers = API.GetEventKeyModifiers(inEvent);
bool caps = (modifiers & MacOSKeyModifiers.CapsLock) != 0 ? true : false;
bool control = (modifiers & MacOSKeyModifiers.Control) != 0 ? true : false;
bool command = (modifiers & MacOSKeyModifiers.Command) != 0 ? true : false;
bool option = (modifiers & MacOSKeyModifiers.Option) != 0 ? true : false;
bool shift = (modifiers & MacOSKeyModifiers.Shift) != 0 ? true : false;
Debug.Print("Modifiers Changed: {0}", modifiers);
Input.KeyboardDevice keyboard = InputDriver.Keyboard[0];
if (keyboard[OpenTK.Input.Key.AltLeft] ^ option)
keyboard[OpenTK.Input.Key.AltLeft] = option;
if (keyboard[OpenTK.Input.Key.ShiftLeft] ^ shift)
keyboard[OpenTK.Input.Key.ShiftLeft] = shift;
if (keyboard[OpenTK.Input.Key.WinLeft] ^ command)
keyboard[OpenTK.Input.Key.WinLeft] = command;
if (keyboard[OpenTK.Input.Key.ControlLeft] ^ control)
keyboard[OpenTK.Input.Key.ControlLeft] = control;
if (keyboard[OpenTK.Input.Key.CapsLock] ^ caps)
keyboard[OpenTK.Input.Key.CapsLock] = caps;
}
Rect GetRegion()
{
Rect retval = API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
return retval;
}
public int Width
{
get { return mWidth; }
set { SetSize(value, mHeight); }
}
public int Height
{
get { return mHeight; }
set { SetSize(mWidth, value); }
}
public void SetSize(int width, int height)
{
if (WindowState == WindowState.Fullscreen)
return;
mWidth = (short)width;
mHeight = (short)height;
API.SizeWindow(window.WindowRef, mWidth, mHeight, true);
Rect contentBounds = API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
Rect newSize = new Rect(0, 0,
(short)(2 * mWidth - contentBounds.Width),
(short)(2 * mHeight - contentBounds.Height));
Debug.Print("Content region was: {0}", contentBounds);
Debug.Print("Resizing window to: {0}", newSize);
API.SizeWindow(window.WindowRef, newSize.Width, newSize.Height, true);
contentBounds = API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
Debug.Print("New content region size: {0}", contentBounds);
}
protected void OnResize()
{
LoadSize();
if (context != null && this.windowState != WindowState.Fullscreen)
context.Update(window);
if (Resize != null)
{
Resize(this, new ResizeEventArgs(Width, Height));
}
}
private void LoadSize()
{
if (WindowState == WindowState.Fullscreen)
return;
Rect region = GetRegion();
mWidth = (short)(region.Width);
mHeight = (short)(region.Height);
}
protected virtual void OnQueryWindowClose(CancelEventArgs e)
{
if (QueryWindowClose != null)
QueryWindowClose(this, e);
}
protected virtual void OnWindowClosed()
{
if (Destroy != null)
Destroy(this, EventArgs.Empty);
}
public event CancelEventHandler QueryWindowClose;
#region INativeGLWindow Members
public void CreateWindow(int width, int height, OpenTK.Graphics.GraphicsMode mode, int major, int minor, GraphicsContextFlags flags, out OpenTK.Graphics.IGraphicsContext context)
{
Rect r = new Rect(0, 0, (short)width, (short)height);
CreateNativeWindow(mWindowClass, mWindowAttrib, r);
Show();
this.context = new Graphics.GraphicsContext(mode, window, major, minor, flags);
this.context.MakeCurrent(window);
context = this.context;
}
public void DestroyWindow()
{
Dispose();
}
public void ProcessEvents()
{
Application.ProcessEvents();
}
public System.Drawing.Point PointToClient(System.Drawing.Point point)
{
IntPtr handle = window.WindowRef;
Rect r = Carbon.API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
Console.WriteLine("Rect: {0}", r);
return new System.Drawing.Point(point.X - r.X, point.Y - r.Y);
}
public System.Drawing.Point PointToScreen(System.Drawing.Point point)
{
throw new NotImplementedException();
}
public bool Exists
{
get { return !mIsDisposed; }
}
public IWindowInfo WindowInfo
{
get { return window; }
}
public bool IsIdle
{
get { return true; }
}
public OpenTK.Input.IInputDriver InputDriver
{
get
{
return mInputDriver;
}
}
public bool Fullscreen
{
get
{
return false;
}
set
{
throw new NotImplementedException();
}
}
public event CreateEvent Create = delegate(object sender, EventArgs e) { };
public event DestroyEvent Destroy = delegate(object sender, EventArgs e) { };
#endregion
#region IResizable Members
public event ResizeEvent Resize;
#endregion
#region INativeGLWindow Members
public WindowState WindowState
{
get
{
if (windowState == WindowState.Fullscreen)
return WindowState.Fullscreen;
if (Carbon.API.IsWindowCollapsed(window.WindowRef))
return WindowState.Minimized;
if (Carbon.API.IsWindowInStandardState(window.WindowRef))
{
return WindowState.Maximized;
}
return WindowState.Normal;
}
set
{
if (value == WindowState)
return;
Debug.Print("Switching window state from {0} to {1}", WindowState, value);
if (WindowState == WindowState.Fullscreen)
{
UnsetFullscreen();
}
if (WindowState == WindowState.Minimized)
{
API.CollapseWindow(window.WindowRef, false);
}
Point idealSize;
switch (value)
{
case WindowState.Fullscreen:
SetFullscreen();
break;
case WindowState.Maximized:
// hack because mac os has no concept of maximized. Instead windows are "zoomed"
// meaning they are maximized up to their reported ideal size. So we report a
// large ideal size.
idealSize = new Point(9000, 9000);
API.ZoomWindowIdeal(window.WindowRef, WindowPartCode.inZoomOut, ref idealSize);
break;
case WindowState.Normal:
if (WindowState == WindowState.Maximized)
{
idealSize = new Point();
API.ZoomWindowIdeal(window.WindowRef, WindowPartCode.inZoomIn, ref idealSize);
}
break;
case WindowState.Minimized:
API.CollapseWindow(window.WindowRef, true);
break;
}
windowState = value;
OnResize();
}
}
private void SetFullscreen()
{
((AglContext)(context as IGraphicsContextInternal).Implementation).SetFullScreen(window);
mWindowedWidth = mWidth;
mWindowedHeight = mHeight;
Debug.Print("Prev Size: {0}, {1}", Width, Height);
mWidth = (short)DisplayDevice.Default.Width;
mHeight = (short)DisplayDevice.Default.Height;
Debug.Print("New Size: {0}, {1}", Width, Height);
}
private void UnsetFullscreen()
{
((AglContext)(context as IGraphicsContextInternal).Implementation).UnsetFullScreen(window);
SetSize(mWindowedWidth, mWindowedHeight);
}
public WindowBorder WindowBorder
{
get
{
return windowBorder;
}
set
{
windowBorder = value;
if (windowBorder == WindowBorder.Resizable)
{
API.ChangeWindowAttributes(window.WindowRef, WindowAttributes.Resizable | WindowAttributes.FullZoom,
WindowAttributes.NoAttributes);
}
else if (windowBorder == WindowBorder.Fixed)
{
API.ChangeWindowAttributes(window.WindowRef, WindowAttributes.NoAttributes,
WindowAttributes.Resizable | WindowAttributes.FullZoom);
}
}
}
#endregion
}
}