OSStatus _glfwWindowEventHandler( EventHandlerCallRef handlerCallRef,
EventRef event,
void *userData )
{
switch( GetEventKind(event) )
{
case kEventWindowBoundsChanged:
{
WindowRef window;
GetEventParameter( event, kEventParamDirectObject, typeWindowRef, NULL,
sizeof(WindowRef), NULL, &window );
Rect rect;
GetWindowPortBounds( window, &rect );
if( _glfwWin.Width != rect.right ||
_glfwWin.Height != rect.bottom )
{
aglUpdateContext(_glfwWin.AGLContext);
_glfwWin.Width = rect.right;
_glfwWin.Height = rect.bottom;
if( _glfwWin.WindowSizeCallback )
{
_glfwWin.WindowSizeCallback( _glfwWin.Width,
_glfwWin.Height );
}
// Emulate (force) content invalidation
if( _glfwWin.WindowRefreshCallback )
{
_glfwWin.WindowRefreshCallback();
}
}
break;
}
case kEventWindowClose:
{
// Check if the program wants us to close the window
if( _glfwWin.WindowCloseCallback )
{
if( _glfwWin.WindowCloseCallback() )
{
glfwCloseWindow();
}
}
else
{
glfwCloseWindow();
}
return noErr;
}
case kEventWindowDrawContent:
{
// Call user callback function
if( _glfwWin.WindowRefreshCallback )
{
_glfwWin.WindowRefreshCallback();
}
break;
}
case kEventWindowActivated:
{
_glfwWin.Active = GL_TRUE;
break;
}
case kEventWindowDeactivated:
{
_glfwWin.Active = GL_FALSE;
_glfwInputDeactivation();
break;
}
}
return eventNotHandledErr;
}
static int _glfwProcessEvents( void )
{
struct IntuiMessage message, *tmp_message = NULL;
struct MsgPort *msg_port;
int win_closed = GL_FALSE, action;
int x, y;
// Examine pending messages
msg_port = _glfwWin.Window->UserPort;
while( (tmp_message = (struct IntuiMessage *) GetMsg( msg_port )) )
{
// Copy contents of message structure
message = *tmp_message;
// Now reply to the message (we don't need it anymore)
ReplyMsg( (struct Message *) tmp_message );
// Handle different messages
switch( message.Class )
{
// Was the window activated?
case IDCMP_ACTIVEWINDOW:
_glfwWin.Active = GL_TRUE;
break;
// Was the window deactivated?
case IDCMP_INACTIVEWINDOW:
_glfwWin.Active = GL_FALSE;
_glfwInputDeactivation();
break;
// Did we get a keyboard press or release?
case IDCMP_RAWKEY:
action = (message.Code & 0x80) ? GLFW_RELEASE : GLFW_PRESS;
message.Code &= 0x7F;
_glfwInputKey( _glfwTranslateKey( &message ), action );
_glfwInputChar( _glfwTranslateChar( &message ), action );
break;
// Was the mouse moved?
case IDCMP_MOUSEMOVE:
x = message.MouseX;
y = message.MouseY;
if( _glfwWin.PointerHidden )
{
// When pointer is hidden, we get delta moves
x += _glfwInput.MousePosX;
y += _glfwInput.MousePosY;
}
else if( x < 0 || x >= _glfwWin.Width ||
y < 0 || y >= _glfwWin.Height )
{
// Only report mouse moves that are INSIDE client area
break;
}
if( x != _glfwInput.MousePosX || y != _glfwInput.MousePosY )
{
_glfwInput.MousePosX = x;
_glfwInput.MousePosY = y;
if( _glfwWin.MousePosCallback )
{
_glfwWin.MousePosCallback( x, y );
}
}
break;
// Did we get a mouse button event?
case IDCMP_MOUSEBUTTONS:
switch( message.Code )
{
case SELECTUP:
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE );
break;
case SELECTDOWN:
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT,
GLFW_PRESS );
break;
case MENUUP:
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE );
break;
case MENUDOWN:
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT,
GLFW_PRESS );
break;
default:
break;
}
break;
// Was the window size changed?
case IDCMP_NEWSIZE:
_glfwWin.Width = message.IDCMPWindow->GZZWidth;
_glfwWin.Height = message.IDCMPWindow->GZZHeight;
if( _glfwWin.WindowSizeCallback )
{
_glfwWin.WindowSizeCallback( _glfwWin.Width,
_glfwWin.Height );
}
break;
// Was the window contents damaged?
case IDCMP_REFRESHWINDOW:
// Intuition wants us to do this...
BeginRefresh( _glfwWin.Window );
EndRefresh( _glfwWin.Window, TRUE );
// Call user callback function
if( _glfwWin.WindowRefreshCallback )
{
_glfwWin.WindowRefreshCallback();
}
break;
// Was the window closed?
case IDCMP_CLOSEWINDOW:
win_closed = GL_TRUE;
break;
default:
break;
}
}
// Return GL_TRUE if window was closed
return( win_closed );
}
