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