Opentk/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs

1106 lines
36 KiB
C#

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2010 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
// Created by Erik Ylvisaker on 3/17/08.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
#if !MINIMAL
using System.Drawing;
#endif
using System.Text;
namespace OpenTK.Platform.MacOS
{
using Carbon;
using Graphics;
class CarbonGLNative : INativeWindow
{
#region Fields
CarbonWindowInfo window;
CarbonInput mInputDriver;
static MacOSKeyMap Keymap = new MacOSKeyMap();
IntPtr uppHandler;
string title = "OpenTK Window";
Rectangle bounds, clientRectangle;
Rectangle windowedBounds;
bool mIsDisposed = false;
bool mExists = true;
DisplayDevice mDisplayDevice;
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>(new IntPtrEqualityComparer());
KeyPressEventArgs mKeyPressArgs = new KeyPressEventArgs((char)0);
bool mMouseIn = false;
bool mIsActive = false;
Icon mIcon;
// Used to accumulate mouse motion when the cursor is hidden.
float mouse_rel_x;
float mouse_rel_y;
#endregion
#region AGL Device Hack
static internal Dictionary<IntPtr, WeakReference> WindowRefMap
{
get { return mWindows; }
}
internal DisplayDevice TargetDisplayDevice
{
get { return mDisplayDevice; }
}
#endregion
#region Constructors
static CarbonGLNative()
{
Application.Initialize();
}
CarbonGLNative() : this(WindowClass.Document,
WindowAttributes.StandardDocument | WindowAttributes.StandardHandler |
WindowAttributes.InWindowMenu | WindowAttributes.LiveResize)
{
}
CarbonGLNative(WindowClass @class, WindowAttributes attrib)
{
mWindowClass = @class;
mWindowAttrib = attrib;
}
public CarbonGLNative(int x, int y, int width, int height, string title,
GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
{
CreateNativeWindow(WindowClass.Document,
WindowAttributes.StandardDocument | WindowAttributes.StandardHandler |
WindowAttributes.InWindowMenu | WindowAttributes.LiveResize,
new Rect((short)x, (short)y, (short)width, (short)height));
mDisplayDevice = device;
}
#endregion
#region IDisposable
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (mIsDisposed)
return;
Debug.Print("Disposing of CarbonGLNative window.");
CursorVisible = true;
API.DisposeWindow(window.WindowRef);
mIsDisposed = true;
mExists = false;
CG.SetLocalEventsSuppressionInterval(0.25);
if (disposing)
{
mWindows.Remove(window.WindowRef);
window.Dispose();
window = null;
}
DisposeUPP();
Disposed(this, EventArgs.Empty);
}
~CarbonGLNative()
{
Dispose(false);
}
#endregion
#region Private Members
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);
SetLocation(r.X, r.Y);
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.WriteLine("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.Window, WindowEventKind.WindowActivate),
new EventTypeSpec(EventClass.Window, WindowEventKind.WindowDeactivate),
//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;
}
void Activate()
{
API.SelectWindow(window.WindowRef);
}
void Show()
{
IntPtr parent = IntPtr.Zero;
API.ShowWindow(window.WindowRef);
API.RepositionWindow(window.WindowRef, parent, WindowPositionMethod);
API.SelectWindow(window.WindowRef);
}
void Hide()
{
API.HideWindow(window.WindowRef);
}
internal void SetFullscreen(AglContext context)
{
windowedBounds = bounds;
int width, height;
context.SetFullScreen(window, out width, out height);
Debug.Print("Prev Size: {0}, {1}", Width, Height);
clientRectangle.Size = new Size(width, height);
Debug.Print("New Size: {0}, {1}", Width, Height);
// TODO: if we go full screen we need to make this use the device specified.
bounds = mDisplayDevice.Bounds;
windowState = WindowState.Fullscreen;
}
internal void UnsetFullscreen(AglContext context)
{
context.UnsetFullScreen(window);
Debug.Print("Telling Carbon to reset window state to " + windowState.ToString());
SetCarbonWindowState();
SetSize((short)windowedBounds.Width, (short)windowedBounds.Height);
}
bool IsDisposed
{
get { return mIsDisposed; }
}
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)
{
if (mWindows.ContainsKey(userData) == false)
{
// Bail out if the window passed in is not actually our window.
// I think this happens if using winforms with a GameWindow sometimes.
return OSStatus.EventNotHandled;
}
WeakReference reference = mWindows[userData];
if (reference.IsAlive == false)
{
// Bail out if the CarbonGLNative window has been garbage collected.
mWindows.Remove(userData);
return OSStatus.EventNotHandled;
}
CarbonGLNative window = (CarbonGLNative)reference.Target;
if (window == null)
{
Debug.WriteLine("Window for event not found.");
return OSStatus.EventNotHandled;
}
EventInfo evt = new EventInfo(inEvent);
return window.DispatchEvent(inCaller, inEvent, evt, userData);
}
private OSStatus ProcessKeyboardEvent(IntPtr inCaller, IntPtr inEvent, EventInfo evt, IntPtr userData)
{
System.Diagnostics.Debug.Assert(evt.EventClass == EventClass.Keyboard);
MacOSKeyCode code = (MacOSKeyCode)0;
char charCode = '\0';
switch (evt.KeyboardEventKind)
{
case KeyboardEventKind.RawKeyDown:
case KeyboardEventKind.RawKeyRepeat:
case KeyboardEventKind.RawKeyUp:
GetCharCodes(inEvent, out code, out charCode);
mKeyPressArgs.KeyChar = charCode;
break;
}
switch (evt.KeyboardEventKind)
{
case KeyboardEventKind.RawKeyRepeat:
if (InputDriver.Keyboard[0].KeyRepeat)
goto case KeyboardEventKind.RawKeyDown;
break;
case KeyboardEventKind.RawKeyDown:
{
OpenTK.Input.Key key;
if (Keymap.TryGetValue(code, out key))
{
InputDriver.Keyboard[0][key] = true;
OnKeyPress(mKeyPressArgs);
}
return OSStatus.NoError;
}
case KeyboardEventKind.RawKeyUp:
{
OpenTK.Input.Key key;
if (Keymap.TryGetValue(code, out key))
{
InputDriver.Keyboard[0][key] = false;
}
return OSStatus.NoError;
}
case KeyboardEventKind.RawKeyModifiersChanged:
ProcessModifierKey(inEvent);
return OSStatus.NoError;
}
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();
OnClosing(cancel);
if (cancel.Cancel)
return OSStatus.NoError;
else
return OSStatus.EventNotHandled;
case WindowEventKind.WindowClosed:
mExists = false;
OnClosed();
return OSStatus.NoError;
case WindowEventKind.WindowBoundsChanged:
int thisWidth = Width;
int thisHeight = Height;
int thisX = X;
int thisY = Y;
LoadSize();
if (thisX != X || thisY != Y)
Move(this, EventArgs.Empty);
if (thisWidth != Width || thisHeight != Height)
Resize(this, EventArgs.Empty);
return OSStatus.EventNotHandled;
case WindowEventKind.WindowActivate:
OnActivate();
return OSStatus.EventNotHandled;
case WindowEventKind.WindowDeactivate:
OnDeactivate();
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();
HIPoint screenLoc = new HIPoint();
IntPtr thisEventWindow;
API.GetEventWindowRef(inEvent, out thisEventWindow);
OSStatus err = API.GetEventMouseLocation(inEvent, out screenLoc);
if (this.windowState == WindowState.Fullscreen)
{
pt = screenLoc;
}
else if (CursorVisible)
{
err = API.GetEventWindowMouseLocation(inEvent, out pt);
pt.Y -= mTitlebarHeight;
}
else
{
err = API.GetEventMouseDelta(inEvent, out pt);
pt.X += mouse_rel_x;
pt.Y += mouse_rel_y;
pt = ConfineMouseToWindow(thisEventWindow, pt);
ResetMouseToWindowCenter();
mouse_rel_x = pt.X;
mouse_rel_y = pt.Y;
}
if (err != OSStatus.NoError && err != OSStatus.EventParameterNotFound)
{
// this error comes up from the application event handler.
throw new MacOSException(err);
}
Point mousePosInClient = new Point((int)pt.X, (int)pt.Y);
CheckEnterLeaveEvents(thisEventWindow, mousePosInClient);
switch (evt.MouseEventKind)
{
case MouseEventKind.MouseDown:
case MouseEventKind.MouseUp:
button = API.GetEventMouseButton(inEvent);
bool pressed = evt.MouseEventKind == MouseEventKind.MouseDown;
switch (button)
{
case MouseButton.Primary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Left] = pressed;
break;
case MouseButton.Secondary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Right] = pressed;
break;
case MouseButton.Tertiary:
InputDriver.Mouse[0][OpenTK.Input.MouseButton.Middle] = pressed;
break;
}
return OSStatus.NoError;
case MouseEventKind.WheelMoved:
float delta = API.GetEventMouseWheelDelta(inEvent);
InputDriver.Mouse[0].WheelPrecise += delta;
return OSStatus.NoError;
case MouseEventKind.MouseMoved:
case MouseEventKind.MouseDragged:
if (this.windowState == WindowState.Fullscreen)
{
if (mousePosInClient.X != InputDriver.Mouse[0].X || mousePosInClient.Y != InputDriver.Mouse[0].Y)
{
InputDriver.Mouse[0].Position = mousePosInClient;
}
}
else
{
// ignore clicks in the title bar
if (pt.Y < 0)
return OSStatus.EventNotHandled;
if (mousePosInClient.X != InputDriver.Mouse[0].X || mousePosInClient.Y != InputDriver.Mouse[0].Y)
{
InputDriver.Mouse[0].Position = mousePosInClient;
}
}
return OSStatus.EventNotHandled;
default:
Debug.Print("{0}", evt);
return OSStatus.EventNotHandled;
}
}
void ResetMouseToWindowCenter()
{
OpenTK.Input.Mouse.SetPosition(
(Bounds.Left + Bounds.Right) / 2,
(Bounds.Top + Bounds.Bottom) / 2);
}
private void CheckEnterLeaveEvents(IntPtr eventWindowRef, Point pt)
{
if (window == null)
return;
bool thisIn = eventWindowRef == window.WindowRef;
if (pt.Y < 0)
thisIn = false;
if (thisIn != mMouseIn)
{
mMouseIn = thisIn;
if (mMouseIn)
OnMouseEnter();
else
OnMouseLeave();
}
}
// Point in client (window) coordinates
private HIPoint ConfineMouseToWindow(IntPtr window, HIPoint client)
{
if (client.X < 0)
client.X = 0;
if (client.X >= Width)
client.X = Width - 1;
if (client.Y < 0)
client.Y = 0;
if (client.Y >= Height)
client.Y = Height - 1;
return client;
}
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;
}
void SetLocation(short x, short y)
{
if (windowState == WindowState.Fullscreen)
return;
API.MoveWindow(window.WindowRef, x, y, false);
}
void SetSize(short width, short height)
{
if (WindowState == WindowState.Fullscreen)
return;
// The bounds of the window should be the size specified, but
// API.SizeWindow sets the content region size. So
// we reduce the size to get the correct bounds.
width -= (short)(bounds.Width - clientRectangle.Width);
height -= (short)(bounds.Height - clientRectangle.Height);
API.SizeWindow(window.WindowRef, width, height, true);
}
void SetClientSize(short width, short height)
{
if (WindowState == WindowState.Fullscreen)
return;
API.SizeWindow(window.WindowRef, width, height, true);
}
private void LoadSize()
{
if (WindowState == WindowState.Fullscreen)
return;
Rect r = API.GetWindowBounds(window.WindowRef, WindowRegionCode.StructureRegion);
bounds = new Rectangle(r.X, r.Y, r.Width, r.Height);
r = API.GetWindowBounds(window.WindowRef, WindowRegionCode.GlobalPortRegion);
clientRectangle = new Rectangle(0, 0, r.Width, r.Height);
}
#endregion
#region INativeWindow Members
public void ProcessEvents()
{
Application.ProcessEvents();
}
public Point PointToClient(Point point)
{
Rect r = Carbon.API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
return new Point(point.X - r.X, point.Y - r.Y);
}
public Point PointToScreen(Point point)
{
Rect r = Carbon.API.GetWindowBounds(window.WindowRef, WindowRegionCode.ContentRegion);
return new Point(point.X + r.X, point.Y + r.Y);
}
public bool Exists
{
get { return mExists; }
}
public IWindowInfo WindowInfo
{
get { return window; }
}
public bool IsIdle
{
get { return true; }
}
public OpenTK.Input.IInputDriver InputDriver
{
get { return mInputDriver; }
}
public Icon Icon
{
get { return mIcon; }
set
{
if (value != Icon)
{
SetIcon(value);
mIcon = value;
IconChanged(this, EventArgs.Empty);
}
}
}
private void SetIcon(Icon icon)
{
// The code for this function was adapted from Mono's
// XplatUICarbon implementation, written by Geoff Norton
// http://anonsvn.mono-project.com/viewvc/trunk/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUICarbon.cs?view=markup&pathrev=136932
if (icon == null)
{
API.RestoreApplicationDockTileImage();
}
else
{
Bitmap bitmap;
int size;
IntPtr[] data;
int index;
bitmap = new Bitmap(128, 128);
#if MINIMAL
using (OpenTK.Minimal.Graphics g = OpenTK.Minimal.Graphics.FromImage(bitmap))
#else
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap))
#endif
{
g.DrawImage(icon.ToBitmap(), 0, 0, 128, 128);
}
index = 0;
size = bitmap.Width * bitmap.Height;
data = new IntPtr[size];
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
int pixel = bitmap.GetPixel(x, y).ToArgb();
if (BitConverter.IsLittleEndian)
{
byte a = (byte)((pixel >> 24) & 0xFF);
byte r = (byte)((pixel >> 16) & 0xFF);
byte g = (byte)((pixel >> 8) & 0xFF);
byte b = (byte)(pixel & 0xFF);
data[index++] = (IntPtr)(a + (r << 8) + (g << 16) + (b << 24));
}
else
{
data[index++] = (IntPtr)pixel;
}
}
}
IntPtr provider = API.CGDataProviderCreateWithData(IntPtr.Zero, data, size * 4, IntPtr.Zero);
IntPtr image = API.CGImageCreate(128, 128, 8, 32, 4 * 128, API.CGColorSpaceCreateDeviceRGB(), 4, provider, IntPtr.Zero, 0,
0);
API.SetApplicationDockTileImage(image);
}
}
public string Title
{
get { return title; }
set
{
if (value != Title)
{
API.SetWindowTitle(window.WindowRef, value);
title = value;
TitleChanged(this, EventArgs.Empty);
}
}
}
public bool Visible
{
get { return API.IsWindowVisible(window.WindowRef); }
set
{
if (value != Visible)
{
if (value)
Show();
else
Hide();
VisibleChanged(this, EventArgs.Empty);
}
}
}
public bool Focused
{
get { return this.mIsActive; }
}
public Rectangle Bounds
{
get { return bounds; }
set
{
Location = value.Location;
Size = value.Size;
}
}
public Point Location
{
get { return Bounds.Location; }
set { SetLocation((short)value.X, (short)value.Y); }
}
public Size Size
{
get { return bounds.Size; }
set { SetSize((short)value.Width, (short)value.Height); }
}
public int Width
{
get { return ClientRectangle.Width; }
set { SetClientSize((short)value, (short)Height); }
}
public int Height
{
get { return ClientRectangle.Height; }
set { SetClientSize((short)Width, (short)value); }
}
public int X
{
get { return ClientRectangle.X; }
set { Location = new Point(value, Y); }
}
public int Y
{
get { return ClientRectangle.Y; }
set { Location = new Point(X, value); }
}
public Rectangle ClientRectangle
{
get { return clientRectangle; }
// just set the size, and ignore the location value.
// this is the behavior of the Windows WinGLNative.
set { ClientSize = value.Size; }
}
public Size ClientSize
{
get { return clientRectangle.Size; }
set
{
API.SizeWindow(window.WindowRef, (short)value.Width, (short)value.Height, true);
LoadSize();
Resize(this, EventArgs.Empty);
}
}
public bool CursorVisible
{
get { return CG.CursorIsVisible(); }
set
{
if (value)
{
CG.DisplayShowCursor(IntPtr.Zero);
CG.AssociateMouseAndMouseCursorPosition(true);
}
else
{
CG.DisplayHideCursor(IntPtr.Zero);
ResetMouseToWindowCenter();
CG.AssociateMouseAndMouseCursorPosition(false);
}
}
}
public void Close()
{
CancelEventArgs e = new CancelEventArgs();
OnClosing(e);
if (e.Cancel)
return;
OnClosed();
Dispose();
}
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);
WindowState oldState = WindowState;
windowState = value;
if (oldState == WindowState.Fullscreen)
{
window.GoWindowedHack = true;
// when returning from full screen, wait until the context is updated
// to actually do the work.
return;
}
if (oldState == WindowState.Minimized)
{
API.CollapseWindow(window.WindowRef, false);
}
SetCarbonWindowState();
}
}
private void SetCarbonWindowState()
{
CarbonPoint idealSize;
switch (windowState)
{
case WindowState.Fullscreen:
window.GoFullScreenHack = true;
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 CarbonPoint(9000, 9000);
API.ZoomWindowIdeal(window.WindowRef, WindowPartCode.inZoomOut, ref idealSize);
break;
case WindowState.Normal:
if (WindowState == WindowState.Maximized)
{
idealSize = new CarbonPoint();
API.ZoomWindowIdeal(window.WindowRef, WindowPartCode.inZoomIn, ref idealSize);
}
break;
case WindowState.Minimized:
API.CollapseWindow(window.WindowRef, true);
break;
}
WindowStateChanged(this, EventArgs.Empty);
LoadSize();
Resize(this, EventArgs.Empty);
}
public WindowBorder WindowBorder
{
get { return windowBorder; }
set
{
if (windowBorder == value)
return;
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);
}
WindowBorderChanged(this, EventArgs.Empty);
}
}
#region --- Event wrappers ---
private void OnKeyPress(KeyPressEventArgs keyPressArgs)
{
KeyPress(this, keyPressArgs);
}
private void OnWindowStateChanged()
{
WindowStateChanged(this, EventArgs.Empty);
}
protected virtual void OnClosing(CancelEventArgs e)
{
Closing(this, e);
}
protected virtual void OnClosed()
{
Closed(this, EventArgs.Empty);
}
private void OnMouseLeave()
{
MouseLeave(this, EventArgs.Empty);
}
private void OnMouseEnter()
{
MouseEnter(this, EventArgs.Empty);
}
private void OnActivate()
{
mIsActive = true;
FocusedChanged(this, EventArgs.Empty);
}
private void OnDeactivate()
{
mIsActive = false;
FocusedChanged(this, EventArgs.Empty);
}
#endregion
public event EventHandler<EventArgs> Move = delegate { };
public event EventHandler<EventArgs> Resize = delegate { };
public event EventHandler<CancelEventArgs> Closing = delegate { };
public event EventHandler<EventArgs> Closed = delegate { };
public event EventHandler<EventArgs> Disposed = delegate { };
public event EventHandler<EventArgs> IconChanged = delegate { };
public event EventHandler<EventArgs> TitleChanged = delegate { };
public event EventHandler<EventArgs> VisibleChanged = delegate { };
public event EventHandler<EventArgs> FocusedChanged = delegate { };
public event EventHandler<EventArgs> WindowBorderChanged = delegate { };
public event EventHandler<EventArgs> WindowStateChanged = delegate { };
public event EventHandler<OpenTK.Input.KeyboardKeyEventArgs> KeyDown = delegate { };
public event EventHandler<KeyPressEventArgs> KeyPress = delegate { };
public event EventHandler<OpenTK.Input.KeyboardKeyEventArgs> KeyUp = delegate { };
public event EventHandler<EventArgs> MouseEnter = delegate { };
public event EventHandler<EventArgs> MouseLeave = delegate { };
#endregion
}
}