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source: code/branches/buildsystem/src/ois/mac/MacMouse.cpp @ 1936

Last change on this file since 1936 was 1505, checked in by rgrieder, 17 years ago
f* svn: It doesn't even inform you if you attempt to set a non existing property. It is svn:eol-style and not eol-style when using the command by the way…
Property svn:eol-style set to `native`
File size: 10.2 KB

Line
1	#include "mac/MacMouse.h"
2	#include "mac/MacInputManager.h"
3	#include "mac/MacHelpers.h"
4	#include "OISException.h"
5	#include "OISEvents.h"
6
7	#include <Carbon/Carbon.h>
8
9	#include <list>
10
11	#include <iostream>
12
13	using namespace OIS;
14
15	//Events we subscribe to and remove from queue
16	const EventTypeSpec mouseEvents[] = {
17	{ kEventClassMouse, kEventMouseDown },
18	{ kEventClassMouse, kEventMouseUp },
19	{ kEventClassMouse, kEventMouseMoved },
20	{ kEventClassMouse, kEventMouseDragged },
21	{ kEventClassMouse, kEventMouseWheelMoved }
22	};
23
24	const EventTypeSpec WinFocusAcquired [] = {{kEventClassApplication, kEventAppDeactivated}};
25
26	//-------------------------------------------------------------------//
27	MacMouse::MacMouse( InputManager* creator, bool buffered )
28	: Mouse(creator->inputSystemName(), buffered, 0, creator), mNeedsToRegainFocus( false )
29	{
30	mouseEventRef = NULL;
31	mWindowFocusHandler = NULL;
32
33	// Get a "Univeral procedure pointer" for our callback
34	mouseUPP = NewEventHandlerUPP(MouseWrapper);
35	mWindowFocusListener = NewEventHandlerUPP(WindowFocusChanged);
36
37	static_cast<MacInputManager*>(mCreator)->_setMouseUsed(true);
38	}
39
40	MacMouse::~MacMouse()
41	{
42	if(mouseEventRef != NULL)
43	RemoveEventHandler(mouseEventRef);
44
45	if(mWindowFocusHandler != NULL)
46	RemoveEventHandler(mWindowFocusHandler);
47
48	DisposeEventHandlerUPP(mouseUPP);
49	DisposeEventHandlerUPP(mWindowFocusListener);
50
51	// Restore Mouse
52	CGAssociateMouseAndMouseCursorPosition(TRUE);
53	CGDisplayShowCursor(kCGDirectMainDisplay);
54
55	static_cast<MacInputManager*>(mCreator)->_setMouseUsed(false);
56	}
57
58	void MacMouse::_initialize()
59	{
60	mState.clear();
61	mTempState.clear();
62	mMouseWarped = false;
63
64	// Hide OS Mouse
65	CGDisplayHideCursor(kCGDirectMainDisplay);
66
67	MacInputManager* im = static_cast<MacInputManager*>(mCreator);
68	WindowRef win = im->_getWindow();
69
70	if(win)
71	{
72	Rect clipRect = {0.0f, 0.0f, 0.0f, 0.0f};
73	GetWindowBounds(win, kWindowContentRgn, &clipRect);
74
75	CGPoint warpPoint;
76	warpPoint.x = ((clipRect.right - clipRect.left) / 2) + clipRect.left;
77	warpPoint.y = ((clipRect.bottom - clipRect.top) / 2) + clipRect.top;
78	CGDisplayMoveCursorToPoint(kCGDirectMainDisplay, warpPoint); //Place at display origin
79
80	mMouseWarped = true;
81	}
82
83	//Now that mouse is warped, start listening for events
84	EventTargetRef event = ((MacInputManager*)mCreator)->_getEventTarget();
85
86	if(mouseEventRef != NULL)
87	RemoveEventHandler(mouseEventRef);
88
89	if(mWindowFocusHandler != NULL)
90	RemoveEventHandler(mWindowFocusHandler);
91
92	mouseEventRef = mWindowFocusHandler = NULL;
93
94	if(InstallEventHandler(event, mouseUPP, GetEventTypeCount(mouseEvents), mouseEvents, this, &mouseEventRef) != noErr)
95	OIS_EXCEPT( E_General, "MacMouse::_initialize >> Error loading Mouse event handler" );
96
97	if(InstallEventHandler(event, mWindowFocusListener, GetEventTypeCount(WinFocusAcquired), WinFocusAcquired, this, &mWindowFocusHandler) != noErr)
98	OIS_EXCEPT( E_General, "MacMouse::_initialize >> Error loading Mouse event handler" );
99
100	//Lock OS Mouse movement
101	mNeedsToRegainFocus = false;
102	CGAssociateMouseAndMouseCursorPosition(FALSE);
103	}
104
105	OSStatus MacMouse::WindowFocusChanged(EventHandlerCallRef nextHandler, EventRef event, void* macMouse)
106	{
107	//std::cout << "Window Focus Changed\n";
108
109	MacMouse* _this = static_cast<MacMouse*>(macMouse);
110	if (_this)
111	{
112	_this->mNeedsToRegainFocus = true;
113	CGAssociateMouseAndMouseCursorPosition(TRUE);
114
115	// propagate the event down the chain
116	return CallNextEventHandler(nextHandler, event);
117	}
118	else
119	OIS_EXCEPT(E_General, "MouseWrapper >> Being called by something other than our event handler!");
120	}
121
122	void MacMouse::setBuffered( bool buffered )
123	{
124	mBuffered = buffered;
125	}
126
127	void MacMouse::capture()
128	{
129	mState.X.rel = 0;
130	mState.Y.rel = 0;
131	mState.Z.rel = 0;
132
133	if(mTempState.X.rel \|\| mTempState.Y.rel \|\| mTempState.Z.rel)
134	{
135	//printf("%i %i %i\n\n", mTempState.X.rel, mTempState.Y.rel, mTempState.Z.rel);
136
137	//Set new relative motion values
138	mState.X.rel = mTempState.X.rel;
139	mState.Y.rel = mTempState.Y.rel;
140	mState.Z.rel = mTempState.Z.rel;
141
142	//Update absolute position
143	mState.X.abs += mTempState.X.rel;
144	mState.Y.abs += mTempState.Y.rel;
145
146	if(mState.X.abs > mState.width)
147	mState.X.abs = mState.width;
148	else if(mState.X.abs < 0)
149	mState.X.abs = 0;
150
151	if(mState.Y.abs > mState.height)
152	mState.Y.abs = mState.height;
153	else if(mState.Y.abs < 0)
154	mState.Y.abs = 0;
155
156	mState.Z.abs += mTempState.Z.rel;
157
158	//Fire off event
159	if(mListener && mBuffered)
160	mListener->mouseMoved(MouseEvent(this, mState));
161	}
162
163	mTempState.clear();
164	}
165
166	void MacMouse::_mouseCallback( EventRef theEvent )
167	{
168	OSStatus result = eventNotHandledErr;
169	UInt32 kind = GetEventKind (theEvent);
170
171	switch(kind)
172	{
173	case kEventMouseDragged:
174	case kEventMouseMoved:
175	{
176	//HIPoint location = {0.0f, 0.0f};
177	HIPoint delta = {0.0f, 0.0f};
178	//Rect clipRect = {0.0f, 0.0f, 0.0f, 0.0f};
179
180	if(mNeedsToRegainFocus)
181	break;
182
183	// Capture the parameters
184	// TODO: Look into HIViewNewTrackingArea
185	//GetEventParameter(theEvent, kEventParamMouseLocation, typeHIPoint, NULL, sizeof(HIPoint), NULL, &location);
186	GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(HIPoint), NULL, &delta);
187
188	// Mouse X and Y are the position on the screen,
189	// startng from top-left at 0,0 caps at full monitor resolution
190
191	// If we have a window we need to return adjusted coordinates
192	// If not, just use raw coordinates - only do this if showing OS mouse
193	//MacInputManager* im = static_cast<MacInputManager*>(mCreator);
194	//WindowRef win = im->_getWindow();
195
196	//if(win != NULL)
197	//{
198	// GetWindowBounds(win, kWindowContentRgn, &clipRect);
199	//}
200	//else
201	//{
202	// clipRect.right = mState.width;
203	// clipRect.bottom = mState.height;
204	//}
205
206	// clip the mouse, absolute positioning
207	//if (location.x <= clipRect.left)
208	// mState.X.abs = 0;
209	//else if(location.x >= clipRect.right)
210	// mState.X.abs = clipRect.right - clipRect.left;
211	//else
212	// mState.X.abs = location.x - clipRect.left;
213
214	//if (location.y <= clipRect.top)
215	// mState.Y.abs = 0;
216	//else if(location.y >= clipRect.bottom)
217	// mState.Y.abs = clipRect.bottom - clipRect.top;
218	//else
219	// mState.Y.abs = location.y - clipRect.top;
220
221	// relative positioning
222	if(!mMouseWarped)
223	{
224	mTempState.X.rel += delta.x;
225	mTempState.Y.rel += delta.y;
226	}
227
228	mMouseWarped = false;
229
230	break;
231	}
232	case kEventMouseDown:
233	{
234	EventMouseButton button = 0;
235	int mouseButton = 3;
236	UInt32 modifiers = 0;
237
238	if(mNeedsToRegainFocus)
239	break;
240
241	// Capture parameters
242	GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(EventMouseButton), NULL, &button);
243	GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
244
245	if((button == kEventMouseButtonTertiary) \|\| ((button == kEventMouseButtonPrimary) && (modifiers & optionKey)))
246	{
247	mouseButton = 2;
248	mState.buttons \|= 1 << mouseButton;
249	}
250	else if((button == kEventMouseButtonSecondary) \|\| ((button == kEventMouseButtonPrimary) && (modifiers & controlKey)))
251	{
252	mouseButton = 1;
253	mState.buttons \|= 1 << mouseButton;
254	}
255	else if(button == kEventMouseButtonPrimary)
256	{
257	mouseButton = 0;
258	mState.buttons \|= 1 << mouseButton;
259	}
260
261	if( mListener && mBuffered )
262	mListener->mousePressed( MouseEvent( this, mState ), (MouseButtonID)mouseButton );
263
264	break;
265	}
266	case kEventMouseUp:
267	{
268	EventMouseButton button = 0;
269	int mouseButton = 3;
270	UInt32 modifiers = 0;
271
272	if(mNeedsToRegainFocus)
273	{
274	mNeedsToRegainFocus = false;
275	CGAssociateMouseAndMouseCursorPosition(false);
276
277	MacInputManager* im = static_cast<MacInputManager*>(mCreator);
278	WindowRef win = im->_getWindow();
279
280	if(win)
281	{
282	Rect clipRect = {0.0f, 0.0f, 0.0f, 0.0f};
283	GetWindowBounds(win, kWindowContentRgn, &clipRect);
284
285	CGPoint warpPoint;
286	warpPoint.x = ((clipRect.right - clipRect.left) / 2) + clipRect.left;
287	warpPoint.y = ((clipRect.bottom - clipRect.top) / 2) + clipRect.top;
288	CGDisplayMoveCursorToPoint(kCGDirectMainDisplay, warpPoint); //Place at display origin
289
290	CGDisplayHideCursor(kCGDirectMainDisplay);
291
292	mMouseWarped = true;
293	}
294
295	//Once we regain focus, we do not really know what state all the buttons are in - for now, set to not pressed. todo, check current status
296	//compare against old status, and send off any needed events
297	mState.buttons = 0;
298
299	break;
300	}
301
302	// Capture parameters
303	GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(EventMouseButton), NULL, &button);
304	GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
305
306	if ((button == kEventMouseButtonTertiary) \|\| ((button == kEventMouseButtonPrimary) && (modifiers & optionKey)))
307	{
308	mouseButton = 2;
309	mState.buttons &= ~(1 << mouseButton);
310	}
311	else if ((button == kEventMouseButtonSecondary) \|\| ((button == kEventMouseButtonPrimary) && (modifiers & controlKey)))
312	{
313	mouseButton = 1;
314	mState.buttons &= ~(1 << mouseButton);
315	}
316	else if (button == kEventMouseButtonPrimary)
317	{
318	mouseButton = 0;
319	mState.buttons &= ~(1 << mouseButton);
320	}
321
322	if( mListener && mBuffered )
323	mListener->mouseReleased( MouseEvent( this, mState ), (MouseButtonID)mouseButton );
324
325	break;
326	}
327	case kEventMouseWheelMoved:
328	{
329	SInt32 wheelDelta = 0;
330	EventMouseWheelAxis wheelAxis = 0;
331
332	// Capture parameters
333	GetEventParameter(theEvent, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(EventMouseWheelAxis), NULL, &wheelAxis);
334	GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(SInt32), NULL, &wheelDelta);
335
336	// If the Y axis of the wheel changed, then update the Z
337	// Does OIS care about the X wheel axis?
338	if(wheelAxis == kEventMouseWheelAxisY)
339	mTempState.Z.rel += (wheelDelta * 60);
340
341	break;
342	}
343	default:
344	break;
345	}
346	}

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