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OpenSceneGraph/src/osgViewer/GraphicsWindowCarbon.cpp

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From Stephan Huber, GraphicsWindowCarbon implementation
2007-01-09 18:06:20 +08:00
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifdef __APPLE__
#include <osgViewer/GraphicsWindowCarbon>
#include <Carbon/Carbon.h>
#include <OpenGL/OpenGL.h>
using namespace osgViewer;
// Carbon-Eventhandler to handle the click in the close-widget and the resize of windows
static pascal OSStatus GraphicsWindowEventHandler(EventHandlerCallRef myHandler, EventRef event, void* userData)
{
WindowRef window;
Rect bounds;
UInt32 whatHappened;
OSStatus result = eventNotHandledErr; /* report failure by default */
GraphicsWindowCarbon* w = (GraphicsWindowCarbon*)userData;
if (!w)
return result;
GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL,
sizeof(window), NULL, &window);
whatHappened = GetEventKind(event);
switch (whatHappened)
{
case kEventWindowBoundsChanging:
// left the code for live-resizing, but it is not used, because of window-refreshing issues...
GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &bounds );
w->resized(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top);
w->getEventQueue()->windowResize(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top, w->getEventQueue()->getTime());
w->requestRedraw();
result = noErr;
break;
case kEventWindowBoundsChanged:
InvalWindowRect(window, GetWindowPortBounds(window, &bounds));
GetWindowBounds(window, kWindowContentRgn, &bounds);
w->resized(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top);
w->getEventQueue()->windowResize(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top, w->getEventQueue()->getTime());
result = noErr;
break;
case kEventWindowClosed:
w->requestClose();
break;
default:
/* If nobody handled the event, it gets propagated to the */
/* application-level handler. */
break;
}
return result;
}
static bool s_quit_requested = false;
// Application eventhandler -- listens for a quit-event
static pascal OSStatus ApplicationEventHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
HICommand commandStruct;
OSErr err = eventNotHandledErr;
GetEventParameter (inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &commandStruct);
switch(commandStruct.commandID) {
case kHICommandQuit:
s_quit_requested = true;
err = noErr;
break;
}
return err;
}
// AppleEventHandler, listens to the Quit-AppleEvent
static pascal OSErr QuitAppleEventHandler(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon ) {
s_quit_requested = true;
return (noErr);
}
namespace osgViewer
{
// small helper class which maps the raw key codes to osgGA::GUIEventAdapter::Keys
class OSXKeyboardMap {
public:
OSXKeyboardMap()
{
_keymap[53 ] = osgGA::GUIEventAdapter::KEY_Escape;
_keymap[115 ] = osgGA::GUIEventAdapter::KEY_Home;
_keymap[76 ] = osgGA::GUIEventAdapter::KEY_KP_Enter;
_keymap[119 ] = osgGA::GUIEventAdapter::KEY_End;
_keymap[36 ] = osgGA::GUIEventAdapter::KEY_Return;
_keymap[116 ] = osgGA::GUIEventAdapter::KEY_Page_Up;
_keymap[121 ] = osgGA::GUIEventAdapter::KEY_Page_Down;
_keymap[123 ] = osgGA::GUIEventAdapter::KEY_Left;
_keymap[124 ] = osgGA::GUIEventAdapter::KEY_Right;
_keymap[126 ] = osgGA::GUIEventAdapter::KEY_Up;
_keymap[125 ] = osgGA::GUIEventAdapter::KEY_Down;
_keymap[51 ] = osgGA::GUIEventAdapter::KEY_BackSpace;
_keymap[48 ] = osgGA::GUIEventAdapter::KEY_Tab;
_keymap[49 ] = osgGA::GUIEventAdapter::KEY_Space;
_keymap[117 ] = osgGA::GUIEventAdapter::KEY_Delete;
_keymap[122 ] = osgGA::GUIEventAdapter::KEY_F1;
_keymap[120 ] = osgGA::GUIEventAdapter::KEY_F2;
_keymap[99 ] = osgGA::GUIEventAdapter::KEY_F3;
_keymap[118 ] = osgGA::GUIEventAdapter::KEY_F4;
_keymap[96 ] = osgGA::GUIEventAdapter::KEY_F5;
_keymap[97 ] = osgGA::GUIEventAdapter::KEY_F6;
_keymap[98 ] = osgGA::GUIEventAdapter::KEY_F7;
_keymap[100 ] = osgGA::GUIEventAdapter::KEY_F8;
_keymap[101 ] = osgGA::GUIEventAdapter::KEY_F9;
_keymap[109 ] = osgGA::GUIEventAdapter::KEY_F10;
_keymap[103 ] = osgGA::GUIEventAdapter::KEY_F11;
_keymap[111 ] = osgGA::GUIEventAdapter::KEY_F12;
_keymap[75 ] = osgGA::GUIEventAdapter::KEY_KP_Divide;
_keymap[67 ] = osgGA::GUIEventAdapter::KEY_KP_Multiply;
_keymap[78 ] = osgGA::GUIEventAdapter::KEY_KP_Subtract;
_keymap[69 ] = osgGA::GUIEventAdapter::KEY_KP_Add;
_keymap[89 ] = osgGA::GUIEventAdapter::KEY_KP_Home;
_keymap[91 ] = osgGA::GUIEventAdapter::KEY_KP_Up;
_keymap[92 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Up;
_keymap[86 ] = osgGA::GUIEventAdapter::KEY_KP_Left;
_keymap[87 ] = osgGA::GUIEventAdapter::KEY_KP_Begin;
_keymap[88 ] = osgGA::GUIEventAdapter::KEY_KP_Right;
_keymap[83 ] = osgGA::GUIEventAdapter::KEY_KP_End;
_keymap[84 ] = osgGA::GUIEventAdapter::KEY_KP_Down;
_keymap[85 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Down;
_keymap[82 ] = osgGA::GUIEventAdapter::KEY_KP_Insert;
_keymap[65 ] = osgGA::GUIEventAdapter::KEY_KP_Delete;
}
~OSXKeyboardMap() {
}
unsigned int remapKey(unsigned int key, unsigned int rawkey)
{
KeyMap::iterator itr = _keymap.find(rawkey);
if (itr == _keymap.end()) return key;
else return itr->second;
}
private:
typedef std::map<unsigned int, osgGA::GUIEventAdapter::KeySymbol> KeyMap;
KeyMap _keymap;
};
/** remaps a native os x keycode to a GUIEventAdapter-keycode */
static unsigned int remapOSXKey(unsigned int key, unsigned int rawkey)
{
static OSXKeyboardMap s_OSXKeyboardMap;
return s_OSXKeyboardMap.remapKey(key,rawkey);
}
/** creates a pixelformat from a Trait */
static AGLPixelFormat createPixelFormat(osg::GraphicsContext::Traits* traits) {
std::vector<GLint> attributes;
attributes.push_back(AGL_NO_RECOVERY);
attributes.push_back(AGL_RGBA);
attributes.push_back(AGL_COMPLIANT);
if (traits->doubleBuffer) attributes.push_back(AGL_DOUBLEBUFFER);
if (traits->quadBufferStereo) attributes.push_back(AGL_STEREO);
attributes.push_back(AGL_RED_SIZE); attributes.push_back(traits->red);
attributes.push_back(AGL_GREEN_SIZE); attributes.push_back(traits->green);
attributes.push_back(AGL_BLUE_SIZE); attributes.push_back(traits->blue);
attributes.push_back(AGL_DEPTH_SIZE); attributes.push_back(traits->depth);
if (traits->alpha) { attributes.push_back(AGL_ALPHA_SIZE); attributes.push_back(traits->alpha); }
if (traits->stencil) { attributes.push_back(AGL_STENCIL_SIZE); attributes.push_back(traits->stencil); }
// TODO
// missing accumulation-buffer-stuff
#if defined(AGL_SAMPLE_BUFFERS_ARB) && defined (AGL_SAMPLES_ARB)
if (traits->sampleBuffers) { attributes.push_back(AGL_SAMPLE_BUFFERS_ARB); attributes.push_back(traits->sampleBuffers); }
if (traits->sampleBuffers) { attributes.push_back(AGL_SAMPLES_ARB); attributes.push_back(traits->samples); }
#endif
attributes.push_back(AGL_NONE);
return aglChoosePixelFormat(NULL, 0, &(attributes.front()));
}
/** This is the class we need to create for pbuffers, note its not a GraphicsWindow as it won't need any of the event handling and window mapping facilities.*/
class GraphicsContextCarbon : public osg::GraphicsContext
{
public:
GraphicsContextCarbon(osg::GraphicsContext::Traits* traits):
_valid(false)
{
_traits = traits;
}
virtual bool valid() const { return _valid; }
/** Realise the GraphicsContext implementation,
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual bool realizeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::realizeImplementation() not implemented."<<std::endl; return false; }
/** Return true if the graphics context has been realised, and is ready to use, implementation.
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual bool isRealizedImplementation() const { osg::notify(osg::NOTICE)<<"GraphicsWindow::isRealizedImplementation() not implemented."<<std::endl; return false; }
/** Close the graphics context implementation.
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual void closeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::closeImplementation() not implemented."<<std::endl; }
/** Make this graphics context current implementation.
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual bool makeCurrentImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeCurrentImplementation() not implemented."<<std::endl; return false; }
/** Make this graphics context current with specified read context implementation.
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual bool makeContextCurrentImplementation(GraphicsContext* /*readContext*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeContextCurrentImplementation(..) not implemented."<<std::endl; return false;}
/** Release the graphics context.*/
virtual bool releaseContextImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::releaseContextImplementation(..) not implemented."<<std::endl; return false; }
/** Pure virtual, Bind the graphics context to associated texture implementation.
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
virtual void bindPBufferToTextureImplementation(GLenum /*buffer*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::void bindPBufferToTextureImplementation(..) not implemented."<<std::endl; }
/** Swap the front and back buffers implementation.
* Pure virtual - must be implemented by Concrate implementations of GraphicsContext. */
virtual void swapBuffersImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow:: swapBuffersImplementation() not implemented."<<std::endl; }
protected:
bool _valid;
};
}
void GraphicsWindowCarbon::setWindowDecoration(bool flag)
{
_useWindowDecoration = flag;
}
void GraphicsWindowCarbon::init()
{
_closeRequested = false;
_context = NULL;
_window = NULL;
_pixelFormat = createPixelFormat(_traits.get());
if (!_pixelFormat)
osg::notify(osg::WARN) << "GraphicsWindowCarbon::init could not create a valid pixelformat" << std::endl;
_valid = (_pixelFormat != NULL);
_initialized = true;
}
bool GraphicsWindowCarbon::realizeImplementation()
{
if (!_initialized) init();
if (!_initialized) return false;
if (!_traits) return false;
setWindowDecoration(_traits->windowDecoration);
// create the window
Rect bounds = {_traits->y, _traits->x, _traits->y + _traits->height, _traits->x + _traits->width};
OSStatus err = 0;
WindowAttributes attr;
if (_useWindowDecoration)
if (_traits->supportsResize)
attr = (kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute);
else
attr = (kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute) & ~kWindowResizableAttribute;
else {
attr = kWindowStandardHandlerAttribute;
if (_traits->supportsResize)
attr |= kWindowResizableAttribute;
}
err = CreateNewWindow(kDocumentWindowClass, attr, &bounds, &_window);
if (err) {
osg::notify(osg::WARN) << "GraphicsWindowCarbon::realizeImplementation() failed creating a window: " << err << std::endl;
return false;
}
// register window event handler to receive resize-events
EventTypeSpec windEventList[] = {{ kEventClassWindow, kEventWindowBoundsChanged},{ kEventClassWindow, kEventWindowClosed}};
InstallWindowEventHandler(_window, NewEventHandlerUPP(GraphicsWindowEventHandler), 2, windEventList, this, NULL);
// set the window title
if (!_traits->windowName.empty()) {
CFStringRef windowtitle = CFStringCreateWithBytes( kCFAllocatorDefault, (const UInt8*)(_traits->windowName.c_str()), _traits->windowName.length(),kCFStringEncodingUTF8, false );
SetWindowTitleWithCFString( _window, windowtitle );
}
// create the context
_context = aglCreateContext (_pixelFormat, NULL);
if (!_context) {
osg::notify(osg::WARN) << "GraphicsWindowCarbon::realizeImplementation failed creating a context: " << aglGetError() << std::endl;
return false;
}
makeCurrent();
// enable Multi-threaded OpenGL Execution:
CGLError cgerr = kCGLNoError;
CGLContextObj ctx = CGLGetCurrentContext();
cgerr = CGLEnable( ctx, kCGLCEMPEngine);
if (cgerr != kCGLNoError )
{
osg::notify(osg::INFO) << "GraphicsWindowCarbon:: Multi-threaded OpenGL Execution not available" << std::endl;
}
aglSetDrawable(_context, GetWindowPort(_window));
ShowWindow(_window);
//enable vsync
if (_traits->vsync) {
GLint swap = 1;
aglSetInteger (_context, AGL_SWAP_INTERVAL, &swap);
}
_realized = true;
return _realized;
}
bool GraphicsWindowCarbon::makeCurrentImplementation()
{
return (aglSetCurrentContext(_context) == GL_TRUE);
}
bool GraphicsWindowCarbon::releaseContextImplementation()
{
if (!_realized)
{
osg::notify(osg::NOTICE)<<"Warning: GraphicsWindow not realized, cannot do makeCurrent."<<std::endl;
return false;
}
// osg::notify(osg::NOTICE)<<"makeCurrentImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<","<<_window<<","<<_glxContext<<std::endl;
return (aglSetCurrentContext(NULL) == GL_TRUE);
}
void GraphicsWindowCarbon::closeImplementation()
{
_valid = false;
_realized = false;
if (_pixelFormat)
{
aglDestroyPixelFormat(_pixelFormat);
_pixelFormat = NULL;
}
if (_context)
{
aglSetDrawable(_context, NULL);
aglSetCurrentContext(NULL);
aglDestroyContext(_context);
_context = NULL;
}
if (_window) DisposeWindow(_window);
_window = NULL;
}
void GraphicsWindowCarbon::swapBuffersImplementation()
{
aglSwapBuffers(_context);
}
void GraphicsWindowCarbon::resizedImplementation(int x, int y, int width, int height)
{
aglUpdateContext(_context);
}
void GraphicsWindowCarbon::handleMouseEvent(EventRef theEvent)
{
// mouse down event
Point wheresMyMouse;
GetEventParameter (theEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(wheresMyMouse), NULL, &wheresMyMouse);
EventMouseButton mouseButton = 0;
GetEventParameter (theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(mouseButton), NULL, &mouseButton);
WindowRef win;
int fwres = FindWindow(wheresMyMouse, &win);
if ((fwres == inMenuBar) && (mouseButton >= 1)) {
MenuSelect(wheresMyMouse);
HiliteMenu(0);
return;
}
else if ((fwres != inContent) && (fwres > 0) && (mouseButton >= 1))
{
return;
}
else
{
// swap right and middle buttons so that middle button is 2, right button is 3.
if (mouseButton==3) mouseButton = 2;
else if (mouseButton==2) mouseButton = 3;
// check tablet pointer device and map it to a musebutton
TabletProximityRec theTabletRecord; // The Tablet Proximity Record
// Extract the Tablet Proximity reccord from the event.
if(noErr == GetEventParameter(theEvent, kEventParamTabletProximityRec,
typeTabletProximityRec, NULL,
sizeof(TabletProximityRec),
NULL, (void *)&theTabletRecord))
{
osgGA::GUIEventAdapter::TabletPointerType pointerType;
switch(theTabletRecord.pointerType)
{
case 1: // pen
pointerType = osgGA::GUIEventAdapter::PEN;
break;
case 2: // puck
pointerType = osgGA::GUIEventAdapter::PUCK;
break;
case 3: //eraser
pointerType = osgGA::GUIEventAdapter::ERASER;
break;
default:
pointerType = osgGA::GUIEventAdapter::UNKNOWN;
break;
}
getEventQueue()->penProximity(pointerType, (theTabletRecord.enterProximity != 0));
}
switch(GetEventKind(theEvent))
{
case kEventMouseDown:
{
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseButtonPress(mx, my, mouseButton);
}
break;
case kEventMouseUp:
{
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseButtonRelease(mx, my, mouseButton);
}
break;
case kEventMouseDragged:
{
// get pressure from the pen, only when mouse/pen is dragged
TabletPointRec theTabletRecord;
if(noErr == GetEventParameter(theEvent, kEventParamTabletPointRec, typeTabletPointRec, NULL,
sizeof(TabletPointRec), NULL, (void *)&theTabletRecord)) {
getEventQueue()->penPressure(theTabletRecord.pressure / 65535.0f);
}
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseMotion(mx, my);
}
break;
case kEventMouseMoved:
{
float mx = wheresMyMouse.h;
float my = wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseMotion(mx, my);
}
break;
// mouse with scroll-wheels
case kEventMouseWheelMoved:
{
EventMouseWheelAxis axis;
SInt32 delta;
if (noErr == GetEventParameter( theEvent, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(axis), NULL, &axis )) {
if (noErr == GetEventParameter( theEvent, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(delta), NULL, &delta )) {
switch (axis) {
case kEventMouseWheelAxisX:
getEventQueue()->mouseScroll( (delta > 0) ? osgGA::GUIEventAdapter::SCROLL_RIGHT : osgGA::GUIEventAdapter::SCROLL_LEFT);
break;
case kEventMouseWheelAxisY:
getEventQueue()->mouseScroll( (delta < 0) ? osgGA::GUIEventAdapter::SCROLL_DOWN : osgGA::GUIEventAdapter::SCROLL_UP);
break;
}
}
}
}
break;
// new trackpads and mighty mouse, (not officially documented, see http://developer.apple.com/qa/qa2005/qa1453.html )
case 11:
{
enum
{
kEventParamMouseWheelSmoothVerticalDelta = 'saxy', // typeSInt32
kEventParamMouseWheelSmoothHorizontalDelta = 'saxx', // typeSInt32
};
SInt32 scroll_delta_x = 0;
SInt32 scroll_delta_y = 0;
OSErr err = noErr;
err = GetEventParameter( theEvent, kEventParamMouseWheelSmoothVerticalDelta, typeLongInteger, NULL, sizeof(scroll_delta_y), NULL, &scroll_delta_y );
err = GetEventParameter( theEvent, kEventParamMouseWheelSmoothHorizontalDelta, typeLongInteger, NULL, sizeof(scroll_delta_x), NULL, &scroll_delta_x );
if ((scroll_delta_x != 0) || (scroll_delta_y != 0)) {
getEventQueue()->mouseScroll2D( scroll_delta_x, scroll_delta_y);
}
}
break;
default:
return;
}
}
}
void GraphicsWindowCarbon::handleKeyboardEvent(EventRef theEvent)
{
OSStatus status;
// Key modifiers, Numlock not supported...
UInt32 modifierKeys;
unsigned int modifierMask = 0;
GetEventParameter (theEvent,kEventParamKeyModifiers,typeUInt32, NULL,sizeof(modifierKeys), NULL,&modifierKeys);
if( modifierKeys & shiftKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
}
if( modifierKeys & alphaLock )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CAPS_LOCK;
}
if( modifierKeys & controlKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
}
if( modifierKeys & optionKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_ALT;
}
// we map the command-key to the META-key
if( modifierKeys & cmdKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_META;
}
UInt32 rawkey;
GetEventParameter (theEvent,kEventParamKeyCode,typeUInt32, NULL,sizeof(rawkey), NULL,&rawkey);
// std::cout << "key code: " << rawkey << " modifiers: " << modifierKeys << std::endl;
UInt32 dataSize;
/* jbw check return status so that we don't allocate a huge array */
status = GetEventParameter( theEvent, kEventParamKeyUnicodes, typeUnicodeText, NULL, 0, &dataSize, NULL );
if (status != noErr) return;
if (dataSize<=1) return;
UniChar* uniChars = new UniChar[dataSize+1];
GetEventParameter( theEvent, kEventParamKeyUnicodes, typeUnicodeText, NULL, dataSize, NULL, (void*)uniChars );
unsigned int keychar = remapOSXKey(static_cast<unsigned long>(uniChars[0]), rawkey);
switch(GetEventKind(theEvent))
{
case kEventRawKeyDown:
case kEventRawKeyRepeat:
{
getEventQueue()->keyPress(keychar);
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
break;
}
case kEventRawKeyUp:
{
getEventQueue()->keyRelease(keychar);
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
break;
}
default:
break;
}
delete[] uniChars;
return;
}
void GraphicsWindowCarbon::checkEvents()
{
if (!_realized) return;
EventRef theEvent;
EventTargetRef theTarget = GetEventDispatcherTarget();
while (ReceiveNextEvent(0, NULL, 0,true, &theEvent)== noErr)
{
switch(GetEventClass(theEvent))
{
case kEventClassTablet:
case kEventClassMouse:
handleMouseEvent(theEvent);
break;
case kEventClassKeyboard:
handleKeyboardEvent(theEvent);
break;
case kEventClassApplication:
switch (GetEventKind(theEvent)) {
case kEventAppQuit:
getEventQueue()->quitApplication();
break;
}
break;
case kEventClassAppleEvent:
{
EventRecord eventRecord;
ConvertEventRefToEventRecord(theEvent, &eventRecord);
AEProcessAppleEvent(&eventRecord);
return;
}
break;
}
SendEventToEventTarget (theEvent, theTarget);
ReleaseEvent(theEvent);
}
if (_closeRequested)
close(true);
if (s_quit_requested) {
getEventQueue()->quitApplication();
s_quit_requested = false;
}
}
void GraphicsWindowCarbon::grabFocus()
{
SelectWindow(_window);
}
void GraphicsWindowCarbon::grabFocusIfPointerInWindow()
{
// TODO: implement
}
void GraphicsWindowCarbon::transformMouseXY(float& x, float& y)
{
if (getEventQueue()->getUseFixedMouseInputRange())
{
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
x = eventState->getXmin() + (eventState->getXmax()-eventState->getXmin())*x/float(_traits->width);
y = eventState->getYmin() + (eventState->getYmax()-eventState->getYmin())*y/float(_traits->height);
}
}
struct OSXCarbonWindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
{
OSXCarbonWindowingSystemInterface() :
_displayCount(0),
_displayIds(NULL)
{
if( CGGetActiveDisplayList( 0, NULL, &_displayCount ) != CGDisplayNoErr )
osg::notify(osg::WARN) << "OSXCarbonWindowingSystemInterface: could not get # of screens" << std::endl;
_displayIds = new CGDirectDisplayID[_displayCount];
if( CGGetActiveDisplayList( _displayCount, _displayIds, &_displayCount ) != CGDisplayNoErr )
osg::notify(osg::WARN) << "OSXCarbonWindowingSystemInterface: CGGetActiveDisplayList failed" << std::endl;
// register application event handler and AppleEventHandler to get quit-events:
static const EventTypeSpec menueventSpec = {kEventClassCommand, kEventCommandProcess};
OSErr status = InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(ApplicationEventHandler), 1, &menueventSpec, 0, NULL);
status = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP(QuitAppleEventHandler), 0, false);
}
~OSXCarbonWindowingSystemInterface() {
if (_displayIds)
delete[] _displayIds;
_displayIds = NULL;
}
inline CGDirectDisplayID getDisplayID(const osg::GraphicsContext::ScreenIdentifier& si) {
return _displayIds[si.screenNum];
}
virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier& si)
{
return _displayCount;
}
virtual void getScreenResolution(const osg::GraphicsContext::ScreenIdentifier& si, unsigned int& width, unsigned int& height)
{
CGDirectDisplayID id = getDisplayID(si);
width = CGDisplayPixelsWide(id);
height = CGDisplayPixelsHigh(id);
}
virtual osg::GraphicsContext* createGraphicsContext(osg::GraphicsContext::Traits* traits)
{
if (traits->pbuffer)
{
osg::ref_ptr<osgViewer::GraphicsContextCarbon> pbuffer = new GraphicsContextCarbon(traits);
if (pbuffer->valid()) return pbuffer.release();
else return 0;
}
else
{
osg::ref_ptr<osgViewer::GraphicsWindowCarbon> window = new GraphicsWindowCarbon(traits);
if (window->valid()) return window.release();
else return 0;
}
}
private:
CGDisplayCount _displayCount;
CGDirectDisplayID* _displayIds;
};
struct RegisterWindowingSystemInterfaceProxy
{
RegisterWindowingSystemInterfaceProxy()
{
osg::GraphicsContext::setWindowingSystemInterface(new OSXCarbonWindowingSystemInterface);
}
~RegisterWindowingSystemInterfaceProxy()
{
osg::GraphicsContext::setWindowingSystemInterface(0);
}
};
RegisterWindowingSystemInterfaceProxy createWindowingSystemInterfaceProxy;
#endif
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