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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 1.84 97/05/06 14:13:58
- */
-
- #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 "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 = "Macintosh: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 = 24; /* Todo: get max depth */
- 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[50], buffer2[50];
-
- 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;
- }
-