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+/*
+ * tkMacOSXXStubs.c --
+ *
+ * This file contains most of the X calls called by Tk. Many of these
+ * calls are just stubs and either don't make sense on the Macintosh or
+ * their implamentation just doesn't do anything. Other calls will
+ * eventually be moved into other files.
+ *
+ * Copyright (c) 1995-1997 Sun Microsystems, Inc.
+ * Copyright 2001, Apple Computer, Inc.
+ * Copyright (c) 2005-2007 Daniel A. Steffen <das@users.sourceforge.net>
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: tkMacOSXXStubs.c,v 1.1 2009/06/26 01:42:47 das Exp $
+ */
+
+#include "tkMacOSXPrivate.h"
+#include "tkMacOSXEvent.h"
+
+#include <IOKit/IOKitLib.h>
+
+/*
+ * Because this file is still under major development Debugger statements are
+ * used through out this file. The define TCL_DEBUG will decide whether the
+ * debugger statements actually call the debugger or not.
+ */
+
+#ifndef TCL_DEBUG
+# define Debugger()
+#endif
+
+#define ROOT_ID 10
+
+/*
+ * Declarations of static variables used in this file.
+ */
+
+static TkDisplay *gMacDisplay = NULL;
+ /* Macintosh display. */
+static const char *macScreenName = ":0";
+ /* Default name of macintosh display. */
+
+/*
+ * Forward declarations of procedures used in this file.
+ */
+
+static XID MacXIdAlloc(Display *display);
+static int DefaultErrorHandler(Display *display,
+ XErrorEvent *err_evt);
+
+/*
+ * Other declarations
+ */
+
+static int DestroyImage(XImage *image);
+static unsigned long ImageGetPixel(XImage *image, int x, int y);
+static int PutPixel(XImage *image, int x, int y,
+ unsigned long pixel);
+#if 0
+static XImage * SubImage(XImage *image, int x, int y,
+ unsigned int width, unsigned int height);
+static int AddPixel(XImage *image, long value);
+#endif
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXDisplayChanged --
+ *
+ * Called to set up initial screen info or when an event indicated
+ * display (screen) change.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * May change info regarding the screen.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXDisplayChanged(
+ Display *display)
+{
+ GDHandle graphicsDevice;
+ Screen *screen;
+ Rect bounds = {0, 0, 0, 0}, *maxBounds;
+
+ if (display == NULL || display->screens == NULL) {
+ return;
+ }
+ screen = display->screens;
+
+ graphicsDevice = GetMainDevice();
+ screen->root_depth = (*(*graphicsDevice)->gdPMap)->cmpSize *
+ (*(*graphicsDevice)->gdPMap)->cmpCount;
+ screen->height = (*graphicsDevice)->gdRect.bottom -
+ (*graphicsDevice)->gdRect.top;
+ screen->width = (*graphicsDevice)->gdRect.right -
+ (*graphicsDevice)->gdRect.left;
+
+ screen->mwidth = (screen->width * 254 + 360) / 720;
+ screen->mheight = (screen->height * 254 + 360) / 720;
+
+ maxBounds = (Rect *) screen->ext_data;
+ *maxBounds = bounds;
+ graphicsDevice = GetDeviceList();
+ while (graphicsDevice) {
+ OSStatus err;
+
+ err = ChkErr(GetAvailableWindowPositioningBounds, graphicsDevice,
+ &bounds);
+ if (err == noErr) {
+ UnionRect(&bounds, maxBounds, maxBounds);
+ }
+ graphicsDevice = GetNextDevice(graphicsDevice);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpOpenDisplay --
+ *
+ * Create the Display structure and fill it with device specific
+ * information.
+ *
+ * Results:
+ * Returns a Display structure on success or NULL on failure.
+ *
+ * Side effects:
+ * Allocates a new Display structure.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkDisplay *
+TkpOpenDisplay(
+ const char *display_name)
+{
+ Display *display;
+ Screen *screen;
+ int fd = 0;
+ static Rect maxBounds = {0, 0, 0, 0};
+
+ if (gMacDisplay != NULL) {
+ if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
+ return gMacDisplay;
+ } else {
+ return NULL;
+ }
+ }
+
+ display = (Display *) ckalloc(sizeof(Display));
+ screen = (Screen *) ckalloc(sizeof(Screen));
+ bzero(display, sizeof(Display));
+ bzero(screen, sizeof(Screen));
+
+ display->resource_alloc = MacXIdAlloc;
+ display->request = 0;
+ display->qlen = 0;
+ display->fd = fd;
+ display->screens = screen;
+ display->nscreens = 1;
+ display->default_screen = 0;
+ display->display_name = (char *) macScreenName;
+
+ Gestalt(gestaltQuickdrawVersion, (long *) &display->proto_minor_version);
+ display->proto_major_version = 10;
+ display->proto_minor_version -= gestaltMacOSXQD;
+ display->vendor = (char*) "Apple";
+ Gestalt(gestaltSystemVersion, (long *) &display->release);
+
+ /*
+ * These screen bits never change
+ */
+ screen->root = ROOT_ID;
+ screen->display = display;
+ screen->black_pixel = 0x00000000 | PIXEL_MAGIC << 24;
+ screen->white_pixel = 0x00FFFFFF | PIXEL_MAGIC << 24;
+ screen->ext_data = (XExtData *) &maxBounds;
+
+ screen->root_visual = (Visual *) ckalloc(sizeof(Visual));
+ screen->root_visual->visualid = 0;
+ screen->root_visual->class = TrueColor;
+ screen->root_visual->red_mask = 0x00FF0000;
+ screen->root_visual->green_mask = 0x0000FF00;
+ screen->root_visual->blue_mask = 0x000000FF;
+ screen->root_visual->bits_per_rgb = 24;
+ screen->root_visual->map_entries = 256;
+
+ /*
+ * Initialize screen bits that may change
+ */
+
+ TkMacOSXDisplayChanged(display);
+
+ gMacDisplay = (TkDisplay *) ckalloc(sizeof(TkDisplay));
+
+ /*
+ * This is the quickest way to make sure that all the *Init flags get
+ * properly initialized
+ */
+
+ bzero(gMacDisplay, sizeof(TkDisplay));
+ gMacDisplay->display = display;
+ return gMacDisplay;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpCloseDisplay --
+ *
+ * Deallocates a display structure created by TkpOpenDisplay.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Frees memory.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpCloseDisplay(
+ TkDisplay *displayPtr)
+{
+ Display *display = displayPtr->display;
+
+ if (gMacDisplay != displayPtr) {
+ Tcl_Panic("TkpCloseDisplay: tried to call TkpCloseDisplay on bad display");
+ }
+
+ gMacDisplay = NULL;
+ if (display->screens != NULL) {
+ if (display->screens->root_visual != NULL) {
+ ckfree((char *) display->screens->root_visual);
+ }
+ ckfree((char *) display->screens);
+ }
+ ckfree((char *) display);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkClipCleanup --
+ *
+ * This procedure is called to cleanup resources associated with claiming
+ * clipboard ownership and for receiving selection get results. This
+ * function is called in tkWindow.c. This has to be called by the display
+ * cleanup function because we still need the access display elements.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Resources are freed - the clipboard may no longer be used.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkClipCleanup(
+ TkDisplay *dispPtr) /* display associated with clipboard */
+{
+ /*
+ * Make sure that the local scrap is transfered to the global scrap if
+ * needed.
+ */
+
+ TkSuspendClipboard();
+
+ if (dispPtr->clipWindow != NULL) {
+ Tk_DeleteSelHandler(dispPtr->clipWindow, dispPtr->clipboardAtom,
+ dispPtr->applicationAtom);
+ Tk_DeleteSelHandler(dispPtr->clipWindow, dispPtr->clipboardAtom,
+ dispPtr->windowAtom);
+
+ Tk_DestroyWindow(dispPtr->clipWindow);
+ Tcl_Release(dispPtr->clipWindow);
+ dispPtr->clipWindow = NULL;
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * MacXIdAlloc --
+ *
+ * This procedure is invoked by Xlib as the resource allocator for a
+ * display.
+ *
+ * Results:
+ * The return value is an X resource identifier that isn't currently in
+ * use.
+ *
+ * Side effects:
+ * The identifier is removed from the stack of free identifiers, if it
+ * was previously on the stack.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static XID
+MacXIdAlloc(
+ Display *display) /* Display for which to allocate. */
+{
+ static long int cur_id = 100;
+ /*
+ * Some special XIds are reserved
+ * - this is why we start at 100
+ */
+
+ return ++cur_id;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * DefaultErrorHandler --
+ *
+ * This procedure is the default X error handler. Tk uses it's own error
+ * handler so this call should never be called.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * This function will call panic and exit.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+DefaultErrorHandler(
+ Display* display,
+ XErrorEvent* err_evt)
+{
+ /*
+ * This call should never be called. Tk replaces it with its own error
+ * handler.
+ */
+
+ Tcl_Panic("Warning hit bogus error handler!");
+ return 0;
+}
+
+char *
+XGetAtomName(
+ Display * display,
+ Atom atom)
+{
+ display->request++;
+ return NULL;
+}
+
+int
+_XInitImageFuncPtrs(
+ XImage *image)
+{
+ return 0;
+}
+
+XErrorHandler
+XSetErrorHandler(
+ XErrorHandler handler)
+{
+ return DefaultErrorHandler;
+}
+
+Window
+XRootWindow(
+ Display *display,
+ int screen_number)
+{
+ display->request++;
+ return ROOT_ID;
+}
+
+int
+XGetGeometry(
+ Display *display,
+ Drawable d,
+ Window *root_return,
+ int *x_return,
+ int *y_return,
+ unsigned int *width_return,
+ unsigned int *height_return,
+ unsigned int *border_width_return,
+ unsigned int *depth_return)
+{
+ TkWindow *winPtr = ((MacDrawable *) d)->winPtr;
+
+ display->request++;
+ *root_return = ROOT_ID;
+ if (winPtr) {
+ *x_return = Tk_X(winPtr);
+ *y_return = Tk_Y(winPtr);
+ *width_return = Tk_Width(winPtr);
+ *height_return = Tk_Height(winPtr);
+ *border_width_return = winPtr->changes.border_width;
+ *depth_return = Tk_Depth(winPtr);
+ } else {
+ Rect boundsRect;
+ CGrafPtr destPort = TkMacOSXGetDrawablePort(d);
+
+ GetPortBounds(destPort, &boundsRect);
+ *x_return = boundsRect.left;
+ *y_return = boundsRect.top;
+ *width_return = boundsRect.right - boundsRect.left;
+ *height_return = boundsRect.bottom - boundsRect.top;
+ *border_width_return = 0;
+ *depth_return = 32;
+ }
+ return 1;
+}
+
+void
+XChangeProperty(
+ Display* display,
+ Window w,
+ Atom property,
+ Atom type,
+ int format,
+ int mode,
+ _Xconst unsigned char* data,
+ int nelements)
+{
+ Debugger();
+}
+
+void
+XSelectInput(
+ Display* display,
+ Window w,
+ long event_mask)
+{
+ Debugger();
+}
+
+void
+XBell(
+ Display* display,
+ int percent)
+{
+ SysBeep(percent);
+}
+
+#if 0
+void
+XSetWMNormalHints(
+ Display* display,
+ Window w,
+ XSizeHints* hints)
+{
+ /*
+ * Do nothing. Shouldn't even be called.
+ */
+}
+
+XSizeHints *
+XAllocSizeHints(void)
+{
+ /*
+ * Always return NULL. Tk code checks to see if NULL is returned & does
+ * nothing if it is.
+ */
+
+ return NULL;
+}
+#endif
+
+GContext
+XGContextFromGC(
+ GC gc)
+{
+ /*
+ * TODO: currently a no-op
+ */
+
+ return 0;
+}
+
+Status
+XSendEvent(
+ Display* display,
+ Window w,
+ Bool propagate,
+ long event_mask,
+ XEvent* event_send)
+{
+ Debugger();
+ return 0;
+}
+
+void
+XClearWindow(
+ Display* display,
+ Window w)
+{
+}
+
+/*
+void
+XDrawPoint(
+ Display* display,
+ Drawable d,
+ GC gc,
+ int x,
+ int y)
+{
+}
+
+void
+XDrawPoints(
+ Display* display,
+ Drawable d,
+ GC gc,
+ XPoint* points,
+ int npoints,
+ int mode)
+{
+}
+*/
+
+void
+XWarpPointer(
+ Display* display,
+ Window src_w,
+ Window dest_w,
+ int src_x,
+ int src_y,
+ unsigned int src_width,
+ unsigned int src_height,
+ int dest_x,
+ int dest_y)
+{
+}
+
+void
+XQueryColor(
+ Display* display,
+ Colormap colormap,
+ XColor* def_in_out)
+{
+ unsigned long p;
+ unsigned char r, g, b;
+ XColor *d = def_in_out;
+
+ p = d->pixel;
+ r = (p & 0x00FF0000) >> 16;
+ g = (p & 0x0000FF00) >> 8;
+ b = (p & 0x000000FF);
+ d->red = (r << 8) | r;
+ d->green = (g << 8) | g;
+ d->blue = (b << 8) | b;
+ d->flags = DoRed|DoGreen|DoBlue;
+ d->pad = 0;
+}
+
+void
+XQueryColors(
+ Display* display,
+ Colormap colormap,
+ XColor* defs_in_out,
+ int ncolors)
+{
+ int i;
+ unsigned long p;
+ unsigned char r, g, b;
+ XColor *d = defs_in_out;
+
+ for (i = 0; i < ncolors; i++, d++) {
+ p = d->pixel;
+ r = (p & 0x00FF0000) >> 16;
+ g = (p & 0x0000FF00) >> 8;
+ b = (p & 0x000000FF);
+ d->red = (r << 8) | r;
+ d->green = (g << 8) | g;
+ d->blue = (b << 8) | b;
+ d->flags = DoRed|DoGreen|DoBlue;
+ d->pad = 0;
+ }
+}
+
+int
+XQueryTree(display, w, root_return, parent_return, children_return,
+ nchildren_return)
+ Display* display;
+ Window w;
+ Window* root_return;
+ Window* parent_return;
+ Window** children_return;
+ unsigned int* nchildren_return;
+{
+ return 0;
+}
+
+
+int
+XGetWindowProperty(
+ Display *display,
+ Window w,
+ Atom property,
+ long long_offset,
+ long long_length,
+ Bool delete,
+ Atom req_type,
+ Atom *actual_type_return,
+ int *actual_format_return,
+ unsigned long *nitems_return,
+ unsigned long *bytes_after_return,
+ unsigned char ** prop_return)
+{
+ display->request++;
+ *actual_type_return = None;
+ *actual_format_return = *bytes_after_return = 0;
+ *nitems_return = 0;
+ return 0;
+}
+
+void
+XRefreshKeyboardMapping(
+ XMappingEvent *x)
+{
+ /* used by tkXEvent.c */
+ Debugger();
+}
+
+void
+XSetIconName(
+ Display* display,
+ Window w,
+ const char *icon_name)
+{
+ /*
+ * This is a no-op, no icon name for Macs.
+ */
+ display->request++;
+}
+
+void
+XForceScreenSaver(
+ Display* display,
+ int mode)
+{
+ /*
+ * This function is just a no-op. It is defined to reset the screen saver.
+ * However, there is no real way to do this on a Mac. Let me know if there
+ * is!
+ */
+
+ display->request++;
+}
+
+void
+Tk_FreeXId(
+ Display *display,
+ XID xid)
+{
+ /* no-op function needed for stubs implementation. */
+}
+
+int
+XSync(
+ Display *display,
+ Bool flag)
+{
+ TkMacOSXFlushWindows();
+ display->request++;
+ return 0;
+}
+
+#if 0
+int
+XSetClipRectangles(
+ Display *d,
+ GC gc,
+ int clip_x_origin,
+ int clip_y_origin,
+ XRectangle* rectangles,
+ int n,
+ int ordering)
+{
+ TkRegion clipRgn = TkCreateRegion();
+
+ while (n--) {
+ XRectangle rect = *rectangles;
+
+ rect.x += clip_x_origin;
+ rect.y += clip_y_origin;
+ TkUnionRectWithRegion(&rect, clipRgn, clipRgn);
+ rectangles++;
+ }
+ TkSetRegion(d, gc, clipRgn);
+ TkDestroyRegion(clipRgn);
+ return 1;
+}
+#endif
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetServerInfo --
+ *
+ * Given a window, this procedure returns information about the window
+ * server for that window. This procedure provides the guts of the "winfo
+ * server" command.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkGetServerInfo(
+ Tcl_Interp *interp, /* The server information is returned in this
+ * interpreter's result. */
+ Tk_Window tkwin) /* Token for window; this selects a particular
+ * display and server. */
+{
+ char buffer[8 + TCL_INTEGER_SPACE * 2];
+ char buffer2[TCL_INTEGER_SPACE];
+
+ sprintf(buffer, "QD%dR%x ", ProtocolVersion(Tk_Display(tkwin)),
+ ProtocolRevision(Tk_Display(tkwin)));
+ sprintf(buffer2, " %x", VendorRelease(Tk_Display(tkwin)));
+ Tcl_AppendResult(interp, buffer, ServerVendor(Tk_Display(tkwin)),
+ buffer2, NULL);
+}
+
+#pragma mark XImage handling
+/*
+ *----------------------------------------------------------------------
+ *
+ * XCreateImage --
+ *
+ * Allocates storage for a new XImage.
+ *
+ * Results:
+ * Returns a newly allocated XImage.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+XImage *
+XCreateImage(
+ Display* display,
+ Visual* visual,
+ unsigned int depth,
+ int format,
+ int offset,
+ char* data,
+ unsigned int width,
+ unsigned int height,
+ int bitmap_pad,
+ int bytes_per_line)
+{
+ XImage *ximage;
+
+ display->request++;
+ ximage = (XImage *) ckalloc(sizeof(XImage));
+
+ ximage->height = height;
+ ximage->width = width;
+ ximage->depth = depth;
+ ximage->xoffset = offset;
+ ximage->format = format;
+ ximage->data = data;
+
+ if (format == ZPixmap) {
+ ximage->bits_per_pixel = 32;
+ ximage->bitmap_unit = 32;
+ } else {
+ ximage->bits_per_pixel = 1;
+ ximage->bitmap_unit = 8;
+ }
+ if (bitmap_pad) {
+ ximage->bitmap_pad = bitmap_pad;
+ } else {
+ /* Use 16 byte alignment for best Quartz perfomance */
+ ximage->bitmap_pad = 128;
+ }
+ if (bytes_per_line) {
+ ximage->bytes_per_line = bytes_per_line;
+ } else {
+ ximage->bytes_per_line = ((width * ximage->bits_per_pixel +
+ (ximage->bitmap_pad - 1)) >> 3) &
+ ~((ximage->bitmap_pad >> 3) - 1);
+ }
+#ifdef WORDS_BIGENDIAN
+ ximage->byte_order = MSBFirst;
+ ximage->bitmap_bit_order = MSBFirst;
+#else
+ ximage->byte_order = LSBFirst;
+ ximage->bitmap_bit_order = LSBFirst;
+#endif
+ ximage->red_mask = 0x00FF0000;
+ ximage->green_mask = 0x0000FF00;
+ ximage->blue_mask = 0x000000FF;
+ ximage->obdata = NULL;
+ ximage->f.create_image = NULL;
+ ximage->f.destroy_image = DestroyImage;
+ ximage->f.get_pixel = ImageGetPixel;
+ ximage->f.put_pixel = PutPixel;
+ ximage->f.sub_image = NULL;
+ ximage->f.add_pixel = NULL;
+
+ return ximage;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XGetImage --
+ *
+ * This function copies data from a pixmap or window into an XImage.
+ *
+ * Results:
+ * Returns a newly allocated image containing the data from the given
+ * rectangle of the given drawable.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+XImage *
+XGetImage(
+ Display *display,
+ Drawable d,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height,
+ unsigned long plane_mask,
+ int format)
+{
+ XImage * imagePtr = NULL;
+ Pixmap pixmap = (Pixmap) NULL;
+ Tk_Window win = (Tk_Window) ((MacDrawable *) d)->winPtr;
+ GC gc;
+ int depth = 32;
+ int offset = 0;
+ int bitmap_pad = 32;
+ int bytes_per_line = 0;
+
+ if (TkMacOSXGetDrawablePort(d)) {
+ if (format == ZPixmap) {
+ if (width > 0 && height > 0) {
+ /*
+ * Tk_GetPixmap fails for zero width or height.
+ */
+
+ pixmap = Tk_GetPixmap(display, d, width, height, depth);
+ }
+ if (win) {
+ XGCValues values;
+
+ gc = Tk_GetGC(win, 0, &values);
+ } else {
+ gc = XCreateGC(display, pixmap, 0, NULL);
+ }
+ if (pixmap) {
+ XCopyArea(display, d, pixmap, gc, x, y, width, height, 0, 0);
+ }
+ imagePtr = XCreateImage(display, NULL, depth, format, offset,
+ (char *) TkMacOSXGetDrawablePort(pixmap),
+ width, height, bitmap_pad, bytes_per_line);
+
+ /*
+ * Track Pixmap underlying the XImage in the unused obdata field
+ * so that we can treat XImages coming from XGetImage specially.
+ */
+
+ imagePtr->obdata = (XPointer) pixmap;
+ if (!win) {
+ XFreeGC(display, gc);
+ }
+ } else {
+ TkpDisplayWarning(
+ "XGetImage: only ZPixmap types are implemented",
+ "XGetImage Failure");
+ }
+ }
+ return imagePtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * DestroyImage --
+ *
+ * Destroys storage associated with an image.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Deallocates the image.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+DestroyImage(
+ XImage *image)
+{
+ if (image) {
+ if (image->obdata) {
+ Tk_FreePixmap((Display*) gMacDisplay, (Pixmap) image->obdata);
+ } else if (image->data) {
+ ckfree(image->data);
+ }
+ ckfree((char*) image);
+ }
+ return 0;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * ImageGetPixel --
+ *
+ * Get a single pixel from an image.
+ *
+ * Results:
+ * Returns the 32 bit pixel value.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static unsigned long
+ImageGetPixel(
+ XImage *image,
+ int x,
+ int y)
+{
+ CGrafPtr destPort, savePort;
+ Boolean portChanged;
+ RGBColor cPix;
+ unsigned long r, g, b, c;
+
+ destPort = (CGrafPtr) image->data;
+ portChanged = QDSwapPort(destPort, &savePort);
+ GetCPixel(x, y, &cPix);
+ if (image->obdata) {
+ /*
+ * Image from XGetImage, 16 bit color values.
+ */
+
+ r = (cPix . red) >> 8;
+ g = (cPix . green) >> 8;
+ b = (cPix . blue) >> 8;
+ } else {
+ r = cPix . red;
+ g = cPix . green;
+ b = cPix . blue;
+ }
+ c = (r<<16)|(g<<8)|(b);
+ if (portChanged) {
+ QDSwapPort(savePort, NULL);
+ }
+ return c;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * PutPixel --
+ *
+ * Set a single pixel in an image.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+PutPixel(
+ XImage *image,
+ int x,
+ int y,
+ unsigned long pixel)
+{
+ CGrafPtr destPort, savePort;
+ Boolean portChanged;
+ RGBColor cPix;
+ unsigned long r, g, b;
+
+ destPort = (CGrafPtr)image->data;
+ portChanged = QDSwapPort(destPort, &savePort);
+ r = (pixel & image->red_mask)>>16;
+ g = (pixel & image->green_mask)>>8;
+ b = (pixel & image->blue_mask);
+ if (image->obdata) {
+ /*
+ * Image from XGetImage, 16 bit color values.
+ */
+
+ cPix.red = r << 8;
+ cPix.green = g << 8;
+ cPix.blue = b << 8;
+ } else {
+ cPix.red = r;
+ cPix.green = g;
+ cPix.blue = b;
+ }
+ SetCPixel(x, y, &cPix);
+ if (portChanged) {
+ QDSwapPort(savePort, NULL);
+ }
+ return 0;
+}
+
+#if 0
+static XImage *
+SubImage(
+ XImage *image,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height)
+{
+ Debugger();
+ return NULL;
+}
+
+static int
+AddPixel(
+ XImage *image,
+ long value)
+{
+ Debugger();
+ return 0;
+}
+#endif
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XChangeWindowAttributes, XSetWindowBackground,
+ * XSetWindowBackgroundPixmap, XSetWindowBorder, XSetWindowBorderPixmap,
+ * XSetWindowBorderWidth, XSetWindowColormap
+ *
+ * These functions are all no-ops. They all have equivalent Tk calls that
+ * should always be used instead.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XChangeWindowAttributes(
+ Display *display,
+ Window w,
+ unsigned long value_mask,
+ XSetWindowAttributes *attributes)
+{
+}
+
+void
+XSetWindowBackground(
+ Display *display,
+ Window window,
+ unsigned long value)
+{
+}
+
+void
+XSetWindowBackgroundPixmap(
+ Display *display,
+ Window w,
+ Pixmap background_pixmap)
+{
+}
+
+void
+XSetWindowBorder(
+ Display *display,
+ Window w,
+ unsigned long border_pixel)
+{
+}
+
+void
+XSetWindowBorderPixmap(
+ Display *display,
+ Window w,
+ Pixmap border_pixmap)
+{
+}
+
+void
+XSetWindowBorderWidth(
+ Display *display,
+ Window w,
+ unsigned int width)
+{
+}
+
+void
+XSetWindowColormap(
+ Display *display,
+ Window w,
+ Colormap colormap)
+{
+ Debugger();
+}
+
+Status
+XStringListToTextProperty(
+ char **list,
+ int count,
+ XTextProperty *text_prop_return)
+{
+ Debugger();
+ return (Status) 0;
+}
+
+void
+XSetWMClientMachine(
+ Display *display,
+ Window w,
+ XTextProperty *text_prop)
+{
+ Debugger();
+}
+
+XIC
+XCreateIC(void)
+{
+ Debugger();
+ return (XIC) 0;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetDefaultScreenName --
+ *
+ * Returns the name of the screen that Tk should use during
+ * initialization.
+ *
+ * Results:
+ * Returns a statically allocated string.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+const char *
+TkGetDefaultScreenName(
+ Tcl_Interp *interp, /* Not used. */
+ const char *screenName) /* If NULL, use default string. */
+{
+#if 0
+ if ((screenName == NULL) || (screenName[0] == '\0')) {
+ screenName = macScreenName;
+ }
+ return screenName;
+#endif
+ return macScreenName;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_GetUserInactiveTime --
+ *
+ * Return the number of milliseconds the user was inactive.
+ *
+ * Results:
+ * The number of milliseconds the user has been inactive, or -1 if
+ * querying the inactive time is not supported.
+ *
+ * Side effects:
+ * None.
+ *----------------------------------------------------------------------
+ */
+
+long
+Tk_GetUserInactiveTime(
+ Display *dpy)
+{
+ io_registry_entry_t regEntry;
+ CFMutableDictionaryRef props = NULL;
+ CFTypeRef timeObj;
+ long ret = -1l;
+ uint64_t time;
+ IOReturn result;
+
+ regEntry = IOServiceGetMatchingService(kIOMasterPortDefault,
+ IOServiceMatching("IOHIDSystem"));
+
+ if (regEntry == 0) {
+ return -1l;
+ }
+
+ result = IORegistryEntryCreateCFProperties(regEntry, &props,
+ kCFAllocatorDefault, 0);
+ IOObjectRelease(regEntry);
+
+ if (result != KERN_SUCCESS || props == NULL) {
+ return -1l;
+ }
+
+ timeObj = CFDictionaryGetValue(props, CFSTR("HIDIdleTime"));
+
+ if (timeObj) {
+ CFTypeID type = CFGetTypeID(timeObj);
+
+ if (type == CFDataGetTypeID()) { /* Jaguar */
+ CFDataGetBytes((CFDataRef) timeObj,
+ CFRangeMake(0, sizeof(time)), (UInt8 *) &time);
+ /* Convert nanoseconds to milliseconds. */
+ /* ret /= kMillisecondScale; */
+ ret = (long) (time/kMillisecondScale);
+ } else if (type == CFNumberGetTypeID()) { /* Panther+ */
+ CFNumberGetValue((CFNumberRef)timeObj,
+ kCFNumberSInt64Type, &time);
+ /* Convert nanoseconds to milliseconds. */
+ /* ret /= kMillisecondScale; */
+ ret = (long) (time/kMillisecondScale);
+ } else {
+ ret = -1l;
+ }
+ }
+ /* Cleanup */
+ CFRelease(props);
+
+ return ret;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_ResetUserInactiveTime --
+ *
+ * Reset the user inactivity timer
+ *
+ * Results:
+ * none
+ *
+ * Side effects:
+ * The user inactivity timer of the underlaying windowing system is reset
+ * to zero.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_ResetUserInactiveTime(
+ Display *dpy)
+{
+ UpdateSystemActivity(UsrActivity);
+}