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/*
* tkMacXStubs.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 thier implamentation just doesn't do anything. Other
* calls will eventually be moved into other files.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tkMacXStubs.c 1.89 97/11/26 13:10:52
*/
#include "tkInt.h"
#include <X.h>
#include <Xlib.h>
#include <stdio.h>
#include <tcl.h>
#include <Xatom.h>
#include <Windows.h>
#include <Fonts.h>
#include <QDOffscreen.h>
#include <ToolUtils.h>
#include <Sound.h>
#include "tkMacInt.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 char *macScreenName = ":0";
/* Default name of macintosh display. */
/*
* Forward declarations of procedures used in this file.
*/
static XID MacXIdAlloc _ANSI_ARGS_((Display *display));
static int DefaultErrorHandler _ANSI_ARGS_((Display* display,
XErrorEvent* err_evt));
/*
* Other declrations
*/
int TkMacXDestroyImage _ANSI_ARGS_((XImage *image));
unsigned long TkMacXGetPixel _ANSI_ARGS_((XImage *image, int x, int y));
int TkMacXPutPixel _ANSI_ARGS_((XImage *image, int x, int y,
unsigned long pixel));
XImage *TkMacXSubImage _ANSI_ARGS_((XImage *image, int x, int y,
unsigned int width, unsigned int height));
int TkMacXAddPixel _ANSI_ARGS_((XImage *image, long value));
int _XInitImageFuncPtrs _ANSI_ARGS_((XImage *image));
/*
*----------------------------------------------------------------------
*
* 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(
char *display_name)
{
Display *display;
Screen *screen;
GDHandle graphicsDevice;
if (gMacDisplay != NULL) {
if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
return gMacDisplay;
} else {
return NULL;
}
}
graphicsDevice = GetMainDevice();
display = (Display *) ckalloc(sizeof(Display));
display->resource_alloc = MacXIdAlloc;
screen = (Screen *) ckalloc(sizeof(Screen) * 2);
display->default_screen = 0;
display->request = 0;
display->nscreens = 1;
display->screens = screen;
display->display_name = macScreenName;
display->qlen = 0;
screen->root = ROOT_ID;
screen->display = display;
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;
screen->black_pixel = 0x00000000;
screen->white_pixel = 0x00FFFFFF;
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 = 2 ^ 8;
gMacDisplay = (TkDisplay *) ckalloc(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) {
panic("TkpCloseDisplay: tried to call TkpCloseDisplay on bad display");
}
/*
* Make sure that the local scrap is transfered to the global
* scrap if needed.
*/
TkSuspendClipboard();
gMacDisplay = NULL;
if (display->screens != (Screen *) NULL) {
if (display->screens->root_visual != (Visual *) NULL) {
ckfree((char *) display->screens->root_visual);
}
ckfree((char *) display->screens);
}
ckfree((char *) display);
ckfree((char *) displayPtr);
}
/*
*----------------------------------------------------------------------
*
* 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;
}
/*
*----------------------------------------------------------------------
*
* TkpWindowWasRecentlyDeleted --
*
* Tries to determine whether the given window was recently deleted.
* Called from the generic code error handler to attempt to deal with
* async BadWindow errors under some circumstances.
*
* Results:
* Always 0, we do not keep this information on the Mac, so we do not
* know whether the window was destroyed.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
TkpWindowWasRecentlyDeleted(
Window win,
TkDisplay *dispPtr)
{
return 0;
}
/*
*----------------------------------------------------------------------
*
* 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.
*/
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;
}
XImage *
XGetImage(display, d, x, y, width, height, plane_mask, format)
Display *display;
Drawable d;
int x;
int y;
unsigned int width;
unsigned int height;
unsigned long plane_mask;
int format;
{
Debugger();
return NULL;
}
int
XGetGeometry(display, d, root_return, x_return, y_return, width_return,
height_return, border_width_return, depth_return)
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;
{
/* Used in tkCanvPs.c & wm code */
Debugger();
return 0;
}
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);
}
void
XSetWMNormalHints(
Display* display,
Window w,
XSizeHints* hints)
{
/*
* Do nothing. Shouldn't even be called.
*/
}
XSizeHints *
XAllocSizeHints()
{
/*
* Always return NULL. Tk code checks to see if NULL
* is returned & does nothing if it is.
*/
return NULL;
}
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;
ximage->bitmap_pad = bitmap_pad;
if (bytes_per_line == 0) {
ximage->bytes_per_line = width * 4; /* assuming 32 bits per pixel */
} else {
ximage->bytes_per_line = bytes_per_line;
}
if (format == ZPixmap) {
ximage->bits_per_pixel = 32;
ximage->bitmap_unit = 32;
} else {
ximage->bits_per_pixel = 1;
ximage->bitmap_unit = 8;
}
ximage->byte_order = LSBFirst;
ximage->bitmap_bit_order = LSBFirst;
ximage->red_mask = 0x00FF0000;
ximage->green_mask = 0x0000FF00;
ximage->blue_mask = 0x000000FF;
ximage->f.destroy_image = TkMacXDestroyImage;
ximage->f.get_pixel = TkMacXGetPixel;
ximage->f.put_pixel = TkMacXPutPixel;
ximage->f.sub_image = TkMacXSubImage;
ximage->f.add_pixel = TkMacXAddPixel;
return ximage;
}
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;
}
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()
{
/* 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++;
}
/*
*----------------------------------------------------------------------
*
* 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, "X%dR%d ", ProtocolVersion(Tk_Display(tkwin)),
ProtocolRevision(Tk_Display(tkwin)));
sprintf(buffer2, " %d", VendorRelease(Tk_Display(tkwin)));
Tcl_AppendResult(interp, buffer, ServerVendor(Tk_Display(tkwin)),
buffer2, (char *) NULL);
}
/*
* Image stuff
*/
int
TkMacXDestroyImage(
XImage *image)
{
Debugger();
return 0;
}
unsigned long
TkMacXGetPixel(
XImage *image,
int x,
int y)
{
Debugger();
return 0;
}
int
TkMacXPutPixel(
XImage *image,
int x,
int y,
unsigned long pixel)
{
/* Debugger(); */
return 0;
}
XImage *
TkMacXSubImage(
XImage *image,
int x,
int y,
unsigned int width,
unsigned int height)
{
Debugger();
return NULL;
}
int
TkMacXAddPixel(
XImage *image,
long value)
{
Debugger();
return 0;
}
/*
*----------------------------------------------------------------------
*
* XChangeWindowAttributes, XSetWindowBackground,
* XSetWindowBackgroundPixmap, XSetWindowBorder, XSetWindowBorderPixmap,
* XSetWindowBorderWidth, XSetWindowColormap
*
* These functions are all no-ops. They all have equivilent
* 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();
}
/*
*----------------------------------------------------------------------
*
* TkGetDefaultScreenName --
*
* Returns the name of the screen that Tk should use during
* initialization.
*
* Results:
* Returns a statically allocated string.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
char *
TkGetDefaultScreenName(
Tcl_Interp *interp, /* Not used. */
char *screenName) /* If NULL, use default string. */
{
if ((screenName == NULL) || (screenName[0] == '\0')) {
screenName = macScreenName;
}
return screenName;
}
|