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[/] [or1k/] [tags/] [start/] [insight/] [tk/] [xlib/] [xutil.c] - Rev 579
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/* * xutil.c -- * * This function contains generic X emulation routines. * * Copyright (c) 1995-1996 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: xutil.c,v 1.1.1.1 2002-01-16 10:26:04 markom Exp $ */ #include <stdlib.h> #include <tk.h> #ifdef MAC_TCL # include <Xutil.h> # include <Xatom.h> #else # include <X11/Xutil.h> # include <X11/Xatom.h> #endif /* *---------------------------------------------------------------------- * * XInternAtom -- * * This procedure simulates the XInternAtom function by calling * Tk_Uid to get a unique id for every atom. This is only a * partial implementation, since it doesn't work across * applications. * * Results: * A new Atom. * * Side effects: * None. * *---------------------------------------------------------------------- */ Atom XInternAtom(display, atom_name, only_if_exists) Display* display; _Xconst char* atom_name; Bool only_if_exists; { static Atom atom = XA_LAST_PREDEFINED; display->request++; return ++atom; } /* *---------------------------------------------------------------------- * * XGetVisualInfo -- * * Returns information about the specified visual. * * Results: * Returns a newly allocated XVisualInfo structure. * * Side effects: * Allocates storage. * *---------------------------------------------------------------------- */ XVisualInfo * XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return) Display* display; long vinfo_mask; XVisualInfo* vinfo_template; int* nitems_return; { XVisualInfo *info = (XVisualInfo *)ckalloc(sizeof(XVisualInfo)); info->visual = DefaultVisual(display, 0); info->visualid = info->visual->visualid; info->screen = 0; info->depth = info->visual->bits_per_rgb; info->class = info->visual->class; info->colormap_size = info->visual->map_entries; info->bits_per_rgb = info->visual->bits_per_rgb; info->red_mask = info->visual->red_mask; info->green_mask = info->visual->green_mask; info->blue_mask = info->visual->blue_mask; if (((vinfo_mask & VisualIDMask) && (vinfo_template->visualid != info->visualid)) || ((vinfo_mask & VisualScreenMask) && (vinfo_template->screen != info->screen)) || ((vinfo_mask & VisualDepthMask) && (vinfo_template->depth != info->depth)) || ((vinfo_mask & VisualClassMask) && (vinfo_template->class != info->class)) || ((vinfo_mask & VisualColormapSizeMask) && (vinfo_template->colormap_size != info->colormap_size)) || ((vinfo_mask & VisualBitsPerRGBMask) && (vinfo_template->bits_per_rgb != info->bits_per_rgb)) || ((vinfo_mask & VisualRedMaskMask) && (vinfo_template->red_mask != info->red_mask)) || ((vinfo_mask & VisualGreenMaskMask) && (vinfo_template->green_mask != info->green_mask)) || ((vinfo_mask & VisualBlueMaskMask) && (vinfo_template->blue_mask != info->blue_mask)) ) { ckfree((char *) info); return NULL; } *nitems_return = 1; return info; }
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