display/carbon.c - emulators/simh - Rivoreo Source Code Repositories

 /*
  * $Id: carbon.c,v 1.2 2005/08/06 21:09:03 phil Exp $
  * Mac OS X Carbon support for XY display simulator
  * John Dundas <dundas@caltech.edu>
  * December 2004
  *
  * This is a simplistic driver under Mac OS Carbon for the XY display
  * simulator.
  *
  * A more interesting driver would use OpenGL directly.
  */

 #include <Carbon/Carbon.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "ws.h"
 #include "xy.h"

 #include <sys/types.h>
 #include <sys/time.h>

 #define ARRAYLEN(a)     (sizeof (a) / sizeof (a[0]))

 #ifndef PIX_SIZE
 #define PIX_SIZE 1
 #endif

 /*
  * light pen location
  * see ws.h for full description
  */
 int ws_lp_x = -1;
 int ws_lp_y = -1;

 static RGBColor                 blckColor = { 0x0000, 0x0000, 0x0000 };
 static RGBColor                 whteColor = { 0xFFFF, 0xFFFF, 0xFFFF };
 static WindowRef                mainWind;
 static RgnHandle                rgn;
 static MouseTrackingRef         mouseRef;
 static int                      xpixels, ypixels;
 static int                      buttons = 0; /* tracks state of all buttons */
 static EventTargetRef           EventDispatchTarget;

 void MyEventWait (      EventTimeout    timeout )       /* double */
 {
         EventRef        theEvent;

         if (ReceiveNextEvent (0, NULL, timeout, true, &theEvent) == noErr) {
                 SendEventToEventTarget (theEvent, EventDispatchTarget);
                 ReleaseEvent (theEvent);
         }
 }

 static pascal OSStatus doMouseEvent (   EventHandlerCallRef     handlerRef,
                                         EventRef                event,
                                         void                    *userData )
 {
         OSStatus        err = eventNotHandledErr;
         Point           start;
         GrafPtr         prevPort;

         /* make sure the display is the current grafport */
         if (!QDSwapPort (GetWindowPort (mainWind), &prevPort))
                 prevPort = NULL;
         switch (GetEventKind (event)) {
         case kEventMouseEntered:
                 if (ActiveNonFloatingWindow () != mainWind)
                         break;
                 SetThemeCursor (kThemeCrossCursor);
                 break;
         case kEventMouseExited:
                 if (ActiveNonFloatingWindow () != mainWind)
                         break;
                 SetThemeCursor (kThemeArrowCursor);
                 break;
         case kEventMouseDown:
                 GetEventParameter (event, kEventParamMouseLocation,
                         typeQDPoint, NULL, sizeof (typeQDPoint), NULL, &start);
                 GlobalToLocal (&start);
                 ws_lp_x = start.h;
                 ws_lp_y = ypixels - start.v;
                 display_lp_sw = 1;
                 break;
         case kEventMouseUp:
                 display_lp_sw = 0;
                 ws_lp_x = ws_lp_y = -1;
                 break;
         default:
                 break;
         }
         if (prevPort)
                 SetPort (prevPort);
         return (err);
 }

 static pascal OSStatus updateWindow (   EventHandlerCallRef     handlerRef,
                                         EventRef                event,
                                         void                    *userData )
 {
         OSStatus        err = eventNotHandledErr;

         switch (GetEventKind (event)) {
         case kEventWindowActivated:
                 /* update menus */
                 break;
         case kEventWindowClose:         /* Override window close */
                 err = noErr;
                 break;
         case kEventWindowDrawContent:
                 display_repaint ();
                 err = noErr;
         default:
                 break;
         }
         return (err);
 }

 static pascal OSStatus doKbdEvent (     EventHandlerCallRef     handlerRef,
                                         EventRef                event,
                                         void                    *userData )
 {
         UInt32  c, m;
         char    key;

         GetEventParameter (event, kEventParamKeyCode,
                 typeUInt32, NULL, sizeof (typeUInt32), NULL, &c);
         GetEventParameter (event, kEventParamKeyMacCharCodes,
                 typeChar,   NULL, sizeof (typeChar),   NULL, &key);
         GetEventParameter (event, kEventParamKeyModifiers,
                 typeUInt32, NULL, sizeof (typeUInt32), NULL, &m);

         /* Keys with meta-modifiers are not allowed at this time. */
 #define KEY_MODIFIERS   (cmdKey | optionKey | kEventKeyModifierFnMask)
         if (m & KEY_MODIFIERS)
                 return (eventNotHandledErr);
         switch (GetEventKind (event)) {
         case kEventRawKeyRepeat:
         case kEventRawKeyDown:
                 display_keydown (key);
                 break;
         case kEventRawKeyUp:
                 display_keyup (key);
                 break;
         default:
                 break;
         }
         return (noErr);
 }

 int ws_init (   char    *crtname,       /* crt type name */
                 int     xp,             /* screen size in pixels */
                 int     yp,
                 int     colors,         /* colors to support (not used) */
                 void    *dptr)
 {
         WindowAttributes        windowAttrs;
         Rect                    r;
         CFStringRef             str;
         static MouseTrackingRegionID    mouseID = { 'AAPL', 0 };
         static const EventTypeSpec      moEvent[] = {
                 { kEventClassMouse, kEventMouseEntered },
                 { kEventClassMouse, kEventMouseExited },
                 { kEventClassMouse, kEventMouseDown },
                 { kEventClassMouse, kEventMouseUp },
         };
         static const EventTypeSpec      wuEvent[] = {
                 { kEventClassWindow, kEventWindowDrawContent },
                 { kEventClassWindow, kEventWindowClose },
                 { kEventClassWindow, kEventWindowActivated},
         };
         static const EventTypeSpec      kdEvent[] = {
                 { kEventClassKeyboard, kEventRawKeyDown },
                 { kEventClassKeyboard, kEventRawKeyRepeat },
                 { kEventClassKeyboard, kEventRawKeyUp},
         };


         xpixels = xp;           /* save screen size */
         ypixels = yp;
         r.top = 100; r.left = 100; r.bottom = r.top + yp; r.right = r.left + xp;

         /* should check this r against GetQDGlobalsScreenBits (&screen); */
         windowAttrs = kWindowCollapseBoxAttribute | kWindowStandardHandlerAttribute;
         if (CreateNewWindow (kDocumentWindowClass, windowAttrs, &r, &mainWind) != noErr)
                 return (0);
         if (str = CFStringCreateWithCString (kCFAllocatorDefault, crtname,
                         kCFStringEncodingASCII)) {
                 SetWindowTitleWithCFString (mainWind, str);
                 CFRelease (str);
         }
         SetPortWindowPort (mainWind);
 /*
  * Setup to handle events
  */
         EventDispatchTarget = GetEventDispatcherTarget ();
         InstallEventHandler (GetWindowEventTarget (mainWind),
                 NewEventHandlerUPP (doMouseEvent), ARRAYLEN(moEvent),
                 (EventTypeSpec *) &moEvent, NULL, NULL);
         InstallEventHandler (GetWindowEventTarget (mainWind),
                 NewEventHandlerUPP (updateWindow), ARRAYLEN(wuEvent),
                 (EventTypeSpec *) &wuEvent, NULL, NULL);
         InstallEventHandler (GetWindowEventTarget (mainWind),
                 NewEventHandlerUPP (doKbdEvent), ARRAYLEN(kdEvent),
                 (EventTypeSpec *) &kdEvent, NULL, NULL);
         /* create region to track cursor shape */
         r.top = 0; r.left = 0; r.bottom = yp; r.right = xp;
         rgn = NewRgn ();
         RectRgn (rgn, &r);
         CloseRgn (rgn);
         CreateMouseTrackingRegion (mainWind, rgn, NULL,
                 kMouseTrackingOptionsLocalClip, mouseID, NULL, NULL, &mouseRef);

         ShowWindow (mainWind);
         RGBForeColor (&blckColor);
         PaintRect (&r);
         RGBBackColor (&blckColor);
         return (1);
 }

 void ws_shutdown (void)
 {
 }

 void *ws_color_black (void)
 {
     return (&blckColor);
 }

 void *ws_color_white (void)
 {
     return (&whteColor);
 }

 void *ws_color_rgb (    int     r,
                         int     g,
                         int     b       )
 {
         RGBColor        *color;

         if ((color = malloc (sizeof (RGBColor))) != NULL) {
                 color->red = r;
                 color->green = g;
                 color->blue = b;
         }
         return (color);
 }

 /* put a point on the screen */
 void ws_display_point ( int     x,
                         int     y,
                         void    *color  )
 {
 #if PIX_SIZE != 1
         Rect    r;
 #endif

         if (x > xpixels || y > ypixels)
                 return;

         y = ypixels - y /* - 1 */;

 #if PIX_SIZE == 1
         SetCPixel (x, y, (color == NULL) ? &blckColor : color);
 #else
         r.top = y * PIX_SIZE;
         r.left = x * PIX_SIZE;
         r.bottom = (y + 1) * PIX_SIZE;
         r.right = (x + 1) * PIX_SIZE;

         RGBForeColor ((color == NULL) ? &blckColor : color);
         PaintRect (&r);
 #endif
 }

 void ws_sync (void)
 {
         ;
 }

 /*
  * elapsed wall clock time since last call
  * +INF on first call
  */

 struct elapsed_state {
     struct timeval tvs[2];
     int new;
 };

 static unsigned long
 elapsed(struct elapsed_state *ep)
 {
     unsigned long val;

     gettimeofday(&ep->tvs[ep->new], NULL);
     if (ep->tvs[!ep->new].tv_sec == 0)
         val = ~0L;
     else
         val = ((ep->tvs[ep->new].tv_sec - ep->tvs[!ep->new].tv_sec) * 1000000 +
                (ep->tvs[ep->new].tv_usec - ep->tvs[!ep->new].tv_usec));
     ep->new = !ep->new;
     return val;
 }

 /* called periodically */
 int ws_poll (   int     *valp,
                 int     maxusec )
 {
         static struct elapsed_state     es;     /* static to avoid clearing! */

         elapsed(&es);                   /* start clock */
         do {
                 unsigned long e;

                 MyEventWait (maxusec * kEventDurationMicrosecond);
                 e = elapsed(&es);
                 maxusec -= e;
         } while (maxusec > 10000);      /* 10ms */
         return (1);
 }

 void ws_beep (void)
 {
         SysBeep (3);
 }

 /* public version, used by delay code */
 unsigned long os_elapsed (void)
 {
         static struct elapsed_state     es;
         return (elapsed (&es));
 }
	/*
	* $Id: carbon.c,v 1.2 2005/08/06 21:09:03 phil Exp $
	* Mac OS X Carbon support for XY display simulator
	* John Dundas <dundas@caltech.edu>
	* December 2004
	*
	* This is a simplistic driver under Mac OS Carbon for the XY display
	* simulator.
	*
	* A more interesting driver would use OpenGL directly.
	*/

	#include <Carbon/Carbon.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include "ws.h"
	#include "xy.h"

	#include <sys/types.h>
	#include <sys/time.h>

	#define ARRAYLEN(a) (sizeof (a) / sizeof (a[0]))

	#ifndef PIX_SIZE
	#define PIX_SIZE 1
	#endif

	/*
	* light pen location
	* see ws.h for full description
	*/
	int ws_lp_x = -1;
	int ws_lp_y = -1;

	static RGBColor blckColor = { 0x0000, 0x0000, 0x0000 };
	static RGBColor whteColor = { 0xFFFF, 0xFFFF, 0xFFFF };
	static WindowRef mainWind;
	static RgnHandle rgn;
	static MouseTrackingRef mouseRef;
	static int xpixels, ypixels;
	static int buttons = 0; /* tracks state of all buttons */
	static EventTargetRef EventDispatchTarget;

	void MyEventWait ( EventTimeout timeout ) /* double */
	{
	EventRef theEvent;

	if (ReceiveNextEvent (0, NULL, timeout, true, &theEvent) == noErr) {
	SendEventToEventTarget (theEvent, EventDispatchTarget);
	ReleaseEvent (theEvent);
	}
	}

	static pascal OSStatus doMouseEvent ( EventHandlerCallRef handlerRef,
	EventRef event,
	void *userData )
	{
	OSStatus err = eventNotHandledErr;
	Point start;
	GrafPtr prevPort;

	/* make sure the display is the current grafport */
	if (!QDSwapPort (GetWindowPort (mainWind), &prevPort))
	prevPort = NULL;
	switch (GetEventKind (event)) {
	case kEventMouseEntered:
	if (ActiveNonFloatingWindow () != mainWind)
	break;
	SetThemeCursor (kThemeCrossCursor);
	break;
	case kEventMouseExited:
	if (ActiveNonFloatingWindow () != mainWind)
	break;
	SetThemeCursor (kThemeArrowCursor);
	break;
	case kEventMouseDown:
	GetEventParameter (event, kEventParamMouseLocation,
	typeQDPoint, NULL, sizeof (typeQDPoint), NULL, &start);
	GlobalToLocal (&start);
	ws_lp_x = start.h;
	ws_lp_y = ypixels - start.v;
	display_lp_sw = 1;
	break;
	case kEventMouseUp:
	display_lp_sw = 0;
	ws_lp_x = ws_lp_y = -1;
	break;
	default:
	break;
	}
	if (prevPort)
	SetPort (prevPort);
	return (err);
	}

	static pascal OSStatus updateWindow ( EventHandlerCallRef handlerRef,
	EventRef event,
	void *userData )
	{
	OSStatus err = eventNotHandledErr;

	switch (GetEventKind (event)) {
	case kEventWindowActivated:
	/* update menus */
	break;
	case kEventWindowClose: /* Override window close */
	err = noErr;
	break;
	case kEventWindowDrawContent:
	display_repaint ();
	err = noErr;
	default:
	break;
	}
	return (err);
	}

	static pascal OSStatus doKbdEvent ( EventHandlerCallRef handlerRef,
	EventRef event,
	void *userData )
	{
	UInt32 c, m;
	char key;

	GetEventParameter (event, kEventParamKeyCode,
	typeUInt32, NULL, sizeof (typeUInt32), NULL, &c);
	GetEventParameter (event, kEventParamKeyMacCharCodes,
	typeChar, NULL, sizeof (typeChar), NULL, &key);
	GetEventParameter (event, kEventParamKeyModifiers,
	typeUInt32, NULL, sizeof (typeUInt32), NULL, &m);

	/* Keys with meta-modifiers are not allowed at this time. */
	#define KEY_MODIFIERS (cmdKey \| optionKey \| kEventKeyModifierFnMask)
	if (m & KEY_MODIFIERS)
	return (eventNotHandledErr);
	switch (GetEventKind (event)) {
	case kEventRawKeyRepeat:
	case kEventRawKeyDown:
	display_keydown (key);
	break;
	case kEventRawKeyUp:
	display_keyup (key);
	break;
	default:
	break;
	}
	return (noErr);
	}

	int ws_init ( char crtname, / crt type name */
	int xp, /* screen size in pixels */
	int yp,
	int colors, /* colors to support (not used) */
	void *dptr)
	{
	WindowAttributes windowAttrs;
	Rect r;
	CFStringRef str;
	static MouseTrackingRegionID mouseID = { 'AAPL', 0 };
	static const EventTypeSpec moEvent[] = {
	{ kEventClassMouse, kEventMouseEntered },
	{ kEventClassMouse, kEventMouseExited },
	{ kEventClassMouse, kEventMouseDown },
	{ kEventClassMouse, kEventMouseUp },
	};
	static const EventTypeSpec wuEvent[] = {
	{ kEventClassWindow, kEventWindowDrawContent },
	{ kEventClassWindow, kEventWindowClose },
	{ kEventClassWindow, kEventWindowActivated},
	};
	static const EventTypeSpec kdEvent[] = {
	{ kEventClassKeyboard, kEventRawKeyDown },
	{ kEventClassKeyboard, kEventRawKeyRepeat },
	{ kEventClassKeyboard, kEventRawKeyUp},
	};


	xpixels = xp; /* save screen size */
	ypixels = yp;
	r.top = 100; r.left = 100; r.bottom = r.top + yp; r.right = r.left + xp;

	/* should check this r against GetQDGlobalsScreenBits (&screen); */
	windowAttrs = kWindowCollapseBoxAttribute \| kWindowStandardHandlerAttribute;
	if (CreateNewWindow (kDocumentWindowClass, windowAttrs, &r, &mainWind) != noErr)
	return (0);
	if (str = CFStringCreateWithCString (kCFAllocatorDefault, crtname,
	kCFStringEncodingASCII)) {
	SetWindowTitleWithCFString (mainWind, str);
	CFRelease (str);
	}
	SetPortWindowPort (mainWind);
	/*
	* Setup to handle events
	*/
	EventDispatchTarget = GetEventDispatcherTarget ();
	InstallEventHandler (GetWindowEventTarget (mainWind),
	NewEventHandlerUPP (doMouseEvent), ARRAYLEN(moEvent),
	(EventTypeSpec *) &moEvent, NULL, NULL);
	InstallEventHandler (GetWindowEventTarget (mainWind),
	NewEventHandlerUPP (updateWindow), ARRAYLEN(wuEvent),
	(EventTypeSpec *) &wuEvent, NULL, NULL);
	InstallEventHandler (GetWindowEventTarget (mainWind),
	NewEventHandlerUPP (doKbdEvent), ARRAYLEN(kdEvent),
	(EventTypeSpec *) &kdEvent, NULL, NULL);
	/* create region to track cursor shape */
	r.top = 0; r.left = 0; r.bottom = yp; r.right = xp;
	rgn = NewRgn ();
	RectRgn (rgn, &r);
	CloseRgn (rgn);
	CreateMouseTrackingRegion (mainWind, rgn, NULL,
	kMouseTrackingOptionsLocalClip, mouseID, NULL, NULL, &mouseRef);

	ShowWindow (mainWind);
	RGBForeColor (&blckColor);
	PaintRect (&r);
	RGBBackColor (&blckColor);
	return (1);
	}

	void ws_shutdown (void)
	{
	}

	void *ws_color_black (void)
	{
	return (&blckColor);
	}

	void *ws_color_white (void)
	{
	return (&whteColor);
	}

	void *ws_color_rgb ( int r,
	int g,
	int b )
	{
	RGBColor *color;

	if ((color = malloc (sizeof (RGBColor))) != NULL) {
	color->red = r;
	color->green = g;
	color->blue = b;
	}
	return (color);
	}

	/* put a point on the screen */
	void ws_display_point ( int x,
	int y,
	void *color )
	{
	#if PIX_SIZE != 1
	Rect r;
	#endif

	if (x > xpixels \|\| y > ypixels)
	return;

	y = ypixels - y /* - 1 */;

	#if PIX_SIZE == 1
	SetCPixel (x, y, (color == NULL) ? &blckColor : color);
	#else
	r.top = y * PIX_SIZE;
	r.left = x * PIX_SIZE;
	r.bottom = (y + 1) * PIX_SIZE;
	r.right = (x + 1) * PIX_SIZE;

	RGBForeColor ((color == NULL) ? &blckColor : color);
	PaintRect (&r);
	#endif
	}

	void ws_sync (void)
	{
	;
	}

	/*
	* elapsed wall clock time since last call
	* +INF on first call
	*/

	struct elapsed_state {
	struct timeval tvs[2];
	int new;
	};

	static unsigned long
	elapsed(struct elapsed_state *ep)
	{
	unsigned long val;

	gettimeofday(&ep->tvs[ep->new], NULL);
	if (ep->tvs[!ep->new].tv_sec == 0)
	val = ~0L;
	else
	val = ((ep->tvs[ep->new].tv_sec - ep->tvs[!ep->new].tv_sec) * 1000000 +
	(ep->tvs[ep->new].tv_usec - ep->tvs[!ep->new].tv_usec));
	ep->new = !ep->new;
	return val;
	}

	/* called periodically */
	int ws_poll ( int *valp,
	int maxusec )
	{
	static struct elapsed_state es; /* static to avoid clearing! */

	elapsed(&es); /* start clock */
	do {
	unsigned long e;

	MyEventWait (maxusec * kEventDurationMicrosecond);
	e = elapsed(&es);
	maxusec -= e;
	} while (maxusec > 10000); /* 10ms */
	return (1);
	}

	void ws_beep (void)
	{
	SysBeep (3);
	}

	/* public version, used by delay code */
	unsigned long os_elapsed (void)
	{
	static struct elapsed_state es;
	return (elapsed (&es));
	}