/* * 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. * * RCS: @(#) $Id: tkMacXStubs.c,v 1.16 2002/10/09 11:57:05 das Exp $ */ #include "tkInt.h" #include #include #include #include #include #include #include #include #include #include #include "tkMacInt.h" #include "tkPort.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( CONST 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)); memset(display, 0, 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)); memset(gMacDisplay, 0, 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); } /* *---------------------------------------------------------------------- * * 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; } 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) { } void XQueryColors( Display* display, Colormap colormap, XColor* defs_in_out, int ncolors) { } 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() { /* 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. */ } /* *---------------------------------------------------------------------- * * 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(); } 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 ((screenName == NULL) || (screenName[0] == '\0')) { screenName = macScreenName; } return screenName; } /* *---------------------------------------------------------------------- * * Tk_SetCaretPos -- * * This indicates the cursor position to Tk. * This is currently a noop stub for MacX. * *---------------------------------------------------------------------- */ void Tk_SetCaretPos(Tk_Window tkwin, int x, int y, int height) { TkCaret *caretPtr = &(((TkWindow *) tkwin)->dispPtr->caret); caretPtr->winPtr = ((TkWindow *) tkwin); caretPtr->x = x; caretPtr->y = y; caretPtr->height = height; }