/*
* 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 2001-2009, Apple Inc.
* Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
* Copyright 2014 Marc Culler.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkMacOSXPrivate.h"
#include "tkMacOSXEvent.h"
#include <IOKit/IOKitLib.h>
#include <IOKit/hidsystem/IOHIDShared.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
CGFloat tkMacOSXZeroScreenHeight = 0;
CGFloat tkMacOSXZeroScreenTop = 0;
/*
* 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 ImagePutPixel(XImage *image, int x, int y,
unsigned long pixel);
/*
*----------------------------------------------------------------------
*
* 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)
{
Screen *screen;
NSArray *nsScreens;
if (display == NULL || display->screens == NULL) {
return;
}
screen = display->screens;
nsScreens = [NSScreen screens];
if (nsScreens && [nsScreens count]) {
NSScreen *s = [nsScreens objectAtIndex:0];
NSRect bounds = [s frame], visible = [s visibleFrame];
NSRect maxBounds = NSZeroRect;
tkMacOSXZeroScreenHeight = bounds.size.height;
tkMacOSXZeroScreenTop = tkMacOSXZeroScreenHeight -
(visible.origin.y + visible.size.height);
screen->root_depth = NSBitsPerPixelFromDepth([s depth]);
screen->width = bounds.size.width;
screen->height = bounds.size.height;
screen->mwidth = (bounds.size.width * 254 + 360) / 720;
screen->mheight = (bounds.size.height * 254 + 360) / 720;
for (s in nsScreens) {
maxBounds = NSUnionRect(maxBounds, [s visibleFrame]);
}
*((NSRect *)screen->ext_data) = maxBounds;
}
}
/*
*----------------------------------------------------------------------
*
* 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 NSRect maxBounds = {{0, 0}, {0, 0}};
static char vendor[25] = "";
NSArray *cgVers;
NSAutoreleasePool *pool = [NSAutoreleasePool new];
if (gMacDisplay != NULL) {
if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
return gMacDisplay;
} else {
return NULL;
}
}
display = ckalloc(sizeof(Display));
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;
cgVers = [[[NSBundle bundleWithIdentifier:@"com.apple.CoreGraphics"]
objectForInfoDictionaryKey:@"CFBundleShortVersionString"]
componentsSeparatedByString:@"."];
if ([cgVers count] >= 2) {
display->proto_major_version = [[cgVers objectAtIndex:1] integerValue];
}
if ([cgVers count] >= 3) {
display->proto_minor_version = [[cgVers objectAtIndex:2] integerValue];
}
if (!vendor[0]) {
snprintf(vendor, sizeof(vendor), "Apple AppKit %g",
NSAppKitVersionNumber);
}
display->vendor = vendor;
{
int major, minor, patch;
#if MAC_OS_X_VERSION_MIN_REQUIRED < 10100
Gestalt(gestaltSystemVersionMajor, (SInt32*)&major);
Gestalt(gestaltSystemVersionMinor, (SInt32*)&minor);
Gestalt(gestaltSystemVersionBugFix, (SInt32*)&patch);
#else
NSOperatingSystemVersion systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
major = systemVersion.majorVersion;
minor = systemVersion.minorVersion;
patch = systemVersion.patchVersion;
#endif
display->release = major << 16 | minor << 8 | patch;
}
/*
* 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 = 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 = 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;
[pool drain];
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(display->screens->root_visual);
}
ckfree(display->screens);
}
ckfree(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.
*/
[NSApp tkProvidePasteboard:dispPtr];
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 {
CGSize size = ((MacDrawable *) d)->size;
*x_return = 0;
*y_return = 0;
*width_return = size.width;
*height_return = size.height;
*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();
}
int
XBell(
Display* display,
int percent)
{
NSBeep();
return Success;
}
#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)
{
}
*/
int
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)
{
return Success;
}
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[5 + TCL_INTEGER_SPACE * 2];
char buffer2[11 + TCL_INTEGER_SPACE];
snprintf(buffer, sizeof(buffer), "CG%d.%d ",
ProtocolVersion(Tk_Display(tkwin)),
ProtocolRevision(Tk_Display(tkwin)));
snprintf(buffer2, sizeof(buffer2), " Mac OS X %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 = ckalloc(sizeof(XImage));
ximage->height = height;
ximage->width = width;
ximage->depth = depth;
ximage->xoffset = offset;
ximage->format = format;
ximage->data = data;
ximage->obdata = NULL;
/* The default pixelpower is 0. This must be explicitly set to 1 in the
* case of an XImage extracted from a Retina display.
*/
ximage->pixelpower = 0;
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->f.create_image = NULL;
ximage->f.destroy_image = DestroyImage;
ximage->f.get_pixel = ImageGetPixel;
ximage->f.put_pixel = ImagePutPixel;
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 XImage containing the data from the given
* rectangle of the given drawable, or NULL if the XImage could not be
* constructed. NOTE: If we are copying from a window on a Retina
* display, the dimensions of the XImage will be 2*width x 2*height.
*
* 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)
{
NSBitmapImageRep *bitmap_rep;
NSUInteger bitmap_fmt;
XImage * imagePtr = NULL;
char * bitmap = NULL;
char * image_data=NULL;
int depth = 32;
int offset = 0;
int bitmap_pad = 0;
int bytes_per_row = 4*width;
int size;
MacDrawable *macDraw = (MacDrawable *) d;
NSWindow *win = TkMacOSXDrawableWindow(d);
/* This code assumes that backing scale factors are integers. Currently
* Retina displays use a scale factor of 2.0 and normal displays use 1.0.
* We do not support any other values here.
*/
int scalefactor = 1;
if (win && [win respondsToSelector:@selector(backingScaleFactor)]) {
scalefactor = ([win backingScaleFactor] == 2.0) ? 2 : 1;
}
int scaled_height = height * scalefactor;
int scaled_width = width * scalefactor;
if (format == ZPixmap) {
if (width == 0 || height == 0) {
/* This happens all the time.
TkMacOSXDbgMsg("XGetImage: empty image requested");
*/
return NULL;
}
bitmap_rep = BitmapRepFromDrawableRect(d, x, y, width, height);
bitmap_fmt = [bitmap_rep bitmapFormat];
if ( bitmap_rep == Nil ||
(bitmap_fmt != 0 && bitmap_fmt != 1) ||
[bitmap_rep samplesPerPixel] != 4 ||
[bitmap_rep isPlanar] != 0 ) {
TkMacOSXDbgMsg("XGetImage: Failed to construct NSBitmapRep");
return NULL;
}
NSSize image_size = NSMakeSize(width, height);
NSImage* ns_image = [[NSImage alloc]initWithSize:image_size];
[ns_image addRepresentation:bitmap_rep];
/* Assume premultiplied nonplanar data with 4 bytes per pixel.*/
if ( [bitmap_rep isPlanar ] == 0 &&
[bitmap_rep samplesPerPixel] == 4 ) {
bytes_per_row = [bitmap_rep bytesPerRow];
assert(bytes_per_row == 4 * scaled_width);
assert([bitmap_rep bytesPerPlane] == bytes_per_row * scaled_height);
size = bytes_per_row*scaled_height;
image_data = (char*)[bitmap_rep bitmapData];
if ( image_data ) {
int row, n, m;
bitmap = ckalloc(size);
/*
Oddly enough, the bitmap has the top row at the beginning,
and the pixels are in BGRA or ABGR format.
*/
if (bitmap_fmt == 0) {
/* BGRA */
for (row=0, n=0; row<scaled_height; row++, n+=bytes_per_row) {
for (m=n; m<n+bytes_per_row; m+=4) {
*(bitmap+m) = *(image_data+m+2);
*(bitmap+m+1) = *(image_data+m+1);
*(bitmap+m+2) = *(image_data+m);
*(bitmap+m+3) = *(image_data+m+3);
}
}
} else {
/* ABGR */
for (row=0, n=0; row<scaled_height; row++, n+=bytes_per_row) {
for (m=n; m<n+bytes_per_row; m+=4) {
*(bitmap+m) = *(image_data+m+3);
*(bitmap+m+1) = *(image_data+m+2);
*(bitmap+m+2) = *(image_data+m+1);
*(bitmap+m+3) = *(image_data+m);
}
}
}
}
}
if (bitmap) {
imagePtr = XCreateImage(display, NULL, depth, format, offset,
(char*)bitmap, scaled_width, scaled_height,
bitmap_pad, bytes_per_row);
if (scalefactor == 2) {
imagePtr->pixelpower = 1;
}
[ns_image removeRepresentation:bitmap_rep]; /*releases the rep*/
[ns_image release];
}
} else {
TkMacOSXDbgMsg("Could not extract image from drawable.");
}
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->data) {
ckfree(image->data);
}
ckfree(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)
{
unsigned char r = 0, g = 0, b = 0;
if (image && image->data) {
unsigned char *srcPtr = ((unsigned char*) image->data)
+ (y * image->bytes_per_line)
+ (((image->xoffset + x) * image->bits_per_pixel) / NBBY);
switch (image->bits_per_pixel) {
case 32: {
r = (*((unsigned int*) srcPtr) >> 16) & 0xff;
g = (*((unsigned int*) srcPtr) >> 8) & 0xff;
b = (*((unsigned int*) srcPtr) ) & 0xff;
/*if (image->byte_order == LSBFirst) {
r = srcPtr[2]; g = srcPtr[1]; b = srcPtr[0];
} else {
r = srcPtr[1]; g = srcPtr[2]; b = srcPtr[3];
}*/
break;
}
case 16:
r = (*((unsigned short*) srcPtr) >> 7) & 0xf8;
g = (*((unsigned short*) srcPtr) >> 2) & 0xf8;
b = (*((unsigned short*) srcPtr) << 3) & 0xf8;
break;
case 8:
r = (*srcPtr << 2) & 0xc0;
g = (*srcPtr << 4) & 0xc0;
b = (*srcPtr << 6) & 0xc0;
r |= r >> 2 | r >> 4 | r >> 6;
g |= g >> 2 | g >> 4 | g >> 6;
b |= b >> 2 | b >> 4 | b >> 6;
break;
case 4: {
unsigned char c = (x % 2) ? *srcPtr : (*srcPtr >> 4);
r = (c & 0x04) ? 0xff : 0;
g = (c & 0x02) ? 0xff : 0;
b = (c & 0x01) ? 0xff : 0;
break;
}
case 1:
r = g = b = ((*srcPtr) & (0x80 >> (x % 8))) ? 0xff : 0;
break;
}
}
return (PIXEL_MAGIC << 24) | (r << 16) | (g << 8) | b;
}
/*
*----------------------------------------------------------------------
*
* ImagePutPixel --
*
* Set a single pixel in an image.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static int
ImagePutPixel(
XImage *image,
int x,
int y,
unsigned long pixel)
{
if (image && image->data) {
unsigned char r = ((pixel & image->red_mask) >> 16) & 0xff;
unsigned char g = ((pixel & image->green_mask) >> 8) & 0xff;
unsigned char b = ((pixel & image->blue_mask) ) & 0xff;
unsigned char *dstPtr = ((unsigned char*) image->data)
+ (y * image->bytes_per_line)
+ (((image->xoffset + x) * image->bits_per_pixel) / NBBY);
switch (image->bits_per_pixel) {
case 32:
*((unsigned int*) dstPtr) = (0xff << 24) | (r << 16) |
(g << 8) | b;
/*if (image->byte_order == LSBFirst) {
dstPtr[3] = 0xff; dstPtr[2] = r; dstPtr[1] = g; dstPtr[0] = b;
} else {
dstPtr[0] = 0xff; dstPtr[1] = r; dstPtr[2] = g; dstPtr[3] = b;
}*/
break;
case 16:
*((unsigned short*) dstPtr) = ((r & 0xf8) << 7) |
((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
break;
case 8:
*dstPtr = ((r & 0xc0) >> 2) | ((g & 0xc0) >> 4) |
((b & 0xc0) >> 6);
break;
case 4: {
unsigned char c = ((r & 0x80) >> 5) | ((g & 0x80) >> 6) |
((b & 0x80) >> 7);
*dstPtr = (x % 2) ? ((*dstPtr & 0xf0) | (c & 0x0f)) :
((*dstPtr & 0x0f) | ((c << 4) & 0xf0));
break;
}
case 1:
*dstPtr = ((r|g|b) & 0x80) ? (*dstPtr | (0x80 >> (x % 8))) :
(*dstPtr & ~(0x80 >> (x % 8)));
break;
}
}
return 0;
}
/*
*----------------------------------------------------------------------
*
* 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)
{
IOGPoint loc;
kern_return_t kr;
NXEvent nullEvent = {NX_NULLEVENT, {0, 0}, 0, -1, 0};
enum { kNULLEventPostThrottle = 10 };
static io_connect_t io_connection = MACH_PORT_NULL;
if (io_connection == MACH_PORT_NULL) {
io_service_t service = IOServiceGetMatchingService(
kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
if (service == MACH_PORT_NULL) {
return;
}
kr = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType,
&io_connection);
IOObjectRelease(service);
if (kr != KERN_SUCCESS) {
return;
}
}
kr = IOHIDPostEvent(io_connection, NX_NULLEVENT, loc, &nullEvent.data,
FALSE, 0, FALSE);
}
/*
* Local Variables:
* mode: objc
* c-basic-offset: 4
* fill-column: 79
* coding: utf-8
* End:
*/