557 lines
16 KiB
C
557 lines
16 KiB
C
/*
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*
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/*
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* xsetroot.c MIT Project Athena, X Window System root window
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* parameter setting utility. This program will set
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* various parameters of the X root window.
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*
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* Author: Mark Lillibridge, MIT Project Athena
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* 11-Jun-87
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/Xmu/CurUtil.h>
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#include <X11/Xcursor/Xcursor.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "X11/bitmaps/gray"
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#define Dynamic 1
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static char *program_name;
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static Display *dpy;
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static int screen;
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static Window root;
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static char *fore_color = NULL;
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static char *back_color = NULL;
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static int reverse = 0;
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static int save_colors = 0;
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static int unsave_past = 0;
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static Pixmap save_pixmap = (Pixmap)None;
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static void FixupState(void);
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static void SetBackgroundToBitmap(Pixmap bitmap,
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unsigned int width, unsigned int height);
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static Cursor CreateCursorFromFiles(char *cursor_file, char *mask_file);
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static Cursor CreateCursorFromName(char *name);
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static Pixmap MakeModulaBitmap(int mod_x, int mod_y);
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static XColor NameToXColor(char *name, unsigned long pixel);
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static unsigned long NameToPixel(char *name, unsigned long pixel);
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static Pixmap ReadBitmapFile(char *filename, unsigned int *width, unsigned int *height, int *x_hot, int *y_hot);
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static void _X_NORETURN _X_COLD
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usage(const char *errmsg)
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{
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if (errmsg != NULL)
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fprintf (stderr, "%s: %s\n\n", program_name, errmsg);
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fprintf(stderr, "Usage: %s [options]\n%s\n", program_name,
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" where options are:\n"
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" -help Print this help\n"
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" -version Print a version message\n"
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" -def, -default Reset unspecified attributes\n"
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" -cursor <cursorfile> <maskfile> Pointer cursor used when outside of any windows\n"
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" -cursor_name <cursorfontname> Use a pointer cursor from the cursor font\n"
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" -xcf <cursorfile> <cursorsize> Load a pointer cursor from an Xcursor file\n"
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" -bitmap <filename> Use the bitmap specified in the file\n"
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" -mod <x> <y> Use a plaid-like grid pattern on screen\n"
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" -gray, -grey Make the entire background grey\n"
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" -bg, -background <color> Set background color\n"
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" -fg, -foreground <color> Set foreground color\n"
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" -rv, -reverse Swap foreground and background colors\n"
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" -solid <color> Set the background of the root window\n"
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" -name <string> Set the name of the root window\n"
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" -d, -display <display> Specifies the server to connect to\n"
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);
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exit(1);
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/*NOTREACHED*/
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}
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int
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main(int argc, char *argv[])
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{
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int excl = 0;
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int nonexcl = 0;
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int restore_defaults = 0;
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char *display_name = NULL;
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char *name = NULL;
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char *cursor_file = NULL;
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char *cursor_mask = NULL;
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char *cursor_name = NULL;
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char *solid_color = NULL;
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char *xcf = NULL;
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int xcf_size = 32;
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Cursor cursor;
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int gray = 0;
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char *bitmap_file = NULL;
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int mod_x = 0;
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int mod_y = 0;
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register int i;
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unsigned int ww, hh;
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Pixmap bitmap;
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program_name=argv[0];
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for (i = 1; i < argc; i++) {
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if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) {
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if (++i>=argc) usage ("-display requires an argument");
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display_name = argv[i];
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continue;
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}
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if (!strcmp("-help", argv[i])) {
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usage(NULL);
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}
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if (!strcmp("-version", argv[i])) {
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printf("%s\n", PACKAGE_STRING);
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exit(0);
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}
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if (!strcmp("-def", argv[i]) || !strcmp("-default", argv[i])) {
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restore_defaults = 1;
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continue;
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}
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if (!strcmp("-name", argv[i])) {
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if (++i>=argc) usage("-name requires an argument");
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name = argv[i];
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nonexcl++;
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continue;
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}
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if (!strcmp("-cursor", argv[i])) {
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if (++i>=argc)
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usage("missing cursorfile & maskfile arguments for -cursor");
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cursor_file = argv[i];
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if (++i>=argc)
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usage("missing maskfile argument for -cursor");
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cursor_mask = argv[i];
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nonexcl++;
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continue;
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}
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if (!strcmp("-cursor_name", argv[i])) {
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if (++i>=argc) usage("-cursor_name requires an argument");
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cursor_name = argv[i];
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nonexcl++;
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continue;
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}
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if (!strcmp("-xcf", argv[i])) {
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if (++i>=argc)
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usage("missing cursorfile & cursorsize arguments for -xcf");
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xcf = argv[i];
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if (++i>=argc)
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usage("missing cursorsize argument for -xcf");
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xcf_size = atoi(argv[i]);
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if (xcf_size <= 0)
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xcf_size = 32;
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nonexcl++;
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continue;
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}
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if (!strcmp("-fg",argv[i]) || !strcmp("-foreground",argv[i])) {
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if (++i>=argc) usage("-foreground requires an argument");
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fore_color = argv[i];
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continue;
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}
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if (!strcmp("-bg",argv[i]) || !strcmp("-background",argv[i])) {
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if (++i>=argc) usage("-background requires an argument");
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back_color = argv[i];
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continue;
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}
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if (!strcmp("-solid", argv[i])) {
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if (++i>=argc) usage("-solid requires an argument");
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solid_color = argv[i];
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excl++;
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continue;
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}
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if (!strcmp("-gray", argv[i]) || !strcmp("-grey", argv[i])) {
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gray = 1;
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excl++;
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continue;
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}
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if (!strcmp("-bitmap", argv[i])) {
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if (++i>=argc) usage("-bitmap requires an argument");
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bitmap_file = argv[i];
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excl++;
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continue;
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}
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if (!strcmp("-mod", argv[i])) {
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if (++i>=argc) usage("missing x & y arguments for -mod");
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mod_x = atoi(argv[i]);
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if (mod_x <= 0) mod_x = 1;
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if (++i>=argc) usage("missing y argument for -mod");
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mod_y = atoi(argv[i]);
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if (mod_y <= 0) mod_y = 1;
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excl++;
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continue;
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}
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if (!strcmp("-rv",argv[i]) || !strcmp("-reverse",argv[i])) {
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reverse = 1;
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continue;
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}
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fprintf(stderr, "%s: unrecognized argument '%s'\n",
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program_name, argv[i]);
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usage(NULL);
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}
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/* Check for multiple use of exclusive options */
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if (excl > 1) {
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fprintf(stderr, "%s: choose only one of {solid, gray, bitmap, mod}\n",
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program_name);
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usage(NULL);
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}
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dpy = XOpenDisplay(display_name);
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if (!dpy) {
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fprintf(stderr, "%s: unable to open display '%s'\n",
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program_name, XDisplayName (display_name));
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exit (2);
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}
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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/* If there are no arguments then restore defaults. */
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if (!excl && !nonexcl)
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restore_defaults = 1;
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/* Handle a cursor file */
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if (cursor_file) {
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cursor = CreateCursorFromFiles(cursor_file, cursor_mask);
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XDefineCursor(dpy, root, cursor);
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XFreeCursor(dpy, cursor);
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}
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if (cursor_name) {
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cursor = CreateCursorFromName (cursor_name);
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if (cursor)
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{
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XDefineCursor (dpy, root, cursor);
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XFreeCursor (dpy, cursor);
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}
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}
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if (xcf) {
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XcursorImages *images = XcursorFilenameLoadImages(xcf, xcf_size);
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if (!images) {
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fprintf(stderr, "Invalid cursor file \"%s\"\n", xcf);
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} else {
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cursor = XcursorImagesLoadCursor(dpy, images);
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if (cursor)
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{
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XDefineCursor (dpy, root, cursor);
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XFreeCursor (dpy, cursor);
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}
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}
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}
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/* Handle -gray and -grey options */
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if (gray) {
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bitmap = XCreateBitmapFromData(dpy, root, gray_bits,
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gray_width, gray_height);
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SetBackgroundToBitmap(bitmap, gray_width, gray_height);
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}
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/* Handle -solid option */
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if (solid_color) {
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XSetWindowBackground(dpy, root, NameToPixel(solid_color,
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BlackPixel(dpy, screen)));
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XClearWindow(dpy, root);
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unsave_past = 1;
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}
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/* Handle -bitmap option */
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if (bitmap_file) {
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bitmap = ReadBitmapFile(bitmap_file, &ww, &hh, (int *)NULL, (int *)NULL);
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SetBackgroundToBitmap(bitmap, ww, hh);
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}
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/* Handle set background to a modula pattern */
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if (mod_x) {
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bitmap = MakeModulaBitmap(mod_x, mod_y);
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SetBackgroundToBitmap(bitmap, 16, 16);
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}
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/* Handle set name */
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if (name)
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XStoreName(dpy, root, name);
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/* Handle restore defaults */
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if (restore_defaults) {
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if (!cursor_file)
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XUndefineCursor(dpy, root);
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if (!excl) {
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XSetWindowBackgroundPixmap(dpy, root, (Pixmap) None);
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XClearWindow(dpy, root);
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unsave_past = 1;
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}
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}
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FixupState();
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XCloseDisplay(dpy);
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exit (0);
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}
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/* Free past incarnation if needed, and retain state if needed. */
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static void
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FixupState(void)
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{
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Atom prop, type;
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int format;
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unsigned long length, after;
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unsigned char *data;
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if (!(DefaultVisual(dpy, screen)->class & Dynamic))
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unsave_past = 0;
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if (!unsave_past && !save_colors)
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return;
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prop = XInternAtom(dpy, "_XSETROOT_ID", False);
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if (unsave_past) {
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if (XGetWindowProperty(dpy, root, prop, 0L, 1L, True, AnyPropertyType,
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&type, &format, &length, &after, &data) != Success)
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fprintf(stderr,
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"%s: warning: cannot get _XSETROOT_ID property from root window\n",
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program_name);
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else if ((type == XA_PIXMAP) && (format == 32) &&
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(length == 1) && (after == 0))
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XKillClient(dpy, *((Pixmap *)data));
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else if (type != None)
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fprintf(stderr, "%s: warning: _XSETROOT_ID property is garbage\n",
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program_name);
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}
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if (save_colors) {
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if (!save_pixmap)
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save_pixmap = XCreatePixmap(dpy, root, 1, 1, 1);
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XChangeProperty(dpy, root, prop, XA_PIXMAP, 32, PropModeReplace,
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(unsigned char *) &save_pixmap, 1);
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XSetCloseDownMode(dpy, RetainPermanent);
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}
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}
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/*
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* SetBackgroundToBitmap: Set the root window background to a caller supplied
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* bitmap.
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*/
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static void
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SetBackgroundToBitmap(Pixmap bitmap, unsigned int width, unsigned int height)
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{
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Pixmap pix;
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GC gc;
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XGCValues gc_init;
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gc_init.foreground = NameToPixel(fore_color, BlackPixel(dpy, screen));
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gc_init.background = NameToPixel(back_color, WhitePixel(dpy, screen));
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if (reverse) {
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unsigned long temp=gc_init.foreground;
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gc_init.foreground=gc_init.background;
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gc_init.background=temp;
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}
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gc = XCreateGC(dpy, root, GCForeground|GCBackground, &gc_init);
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pix = XCreatePixmap(dpy, root, width, height,
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(unsigned int)DefaultDepth(dpy, screen));
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XCopyPlane(dpy, bitmap, pix, gc, 0, 0, width, height, 0, 0, (unsigned long)1);
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XSetWindowBackgroundPixmap(dpy, root, pix);
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XFreeGC(dpy, gc);
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XFreePixmap(dpy, bitmap);
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if (save_colors)
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save_pixmap = pix;
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else
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XFreePixmap(dpy, pix);
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XClearWindow(dpy, root);
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unsave_past = 1;
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}
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/*
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* CreateCursorFromFiles: make a cursor of the right colors from two bitmap
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* files.
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*/
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#define BITMAP_HOT_DEFAULT 8
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static Cursor
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CreateCursorFromFiles(char *cursor_file, char *mask_file)
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{
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Pixmap cursor_bitmap, mask_bitmap;
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unsigned int width, height, ww, hh;
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int x_hot, y_hot;
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Cursor cursor;
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XColor fg, bg, temp;
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fg = NameToXColor(fore_color, BlackPixel(dpy, screen));
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bg = NameToXColor(back_color, WhitePixel(dpy, screen));
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if (reverse) {
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temp = fg; fg = bg; bg = temp;
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}
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cursor_bitmap = ReadBitmapFile(cursor_file, &width, &height, &x_hot, &y_hot);
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mask_bitmap = ReadBitmapFile(mask_file, &ww, &hh, (int *)NULL, (int *)NULL);
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if (width != ww || height != hh) {
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fprintf(stderr,
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"%s: dimensions of cursor bitmap and cursor mask bitmap are different\n",
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program_name);
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exit(1);
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/*NOTREACHED*/
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}
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if ((x_hot == -1) && (y_hot == -1)) {
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x_hot = BITMAP_HOT_DEFAULT;
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y_hot = BITMAP_HOT_DEFAULT;
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}
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if ((x_hot < 0) || (x_hot >= width) ||
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(y_hot < 0) || (y_hot >= height)) {
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fprintf(stderr, "%s: hotspot is outside cursor bounds\n", program_name);
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exit(1);
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/*NOTREACHED*/
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}
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cursor = XCreatePixmapCursor(dpy, cursor_bitmap, mask_bitmap, &fg, &bg,
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(unsigned int)x_hot, (unsigned int)y_hot);
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XFreePixmap(dpy, cursor_bitmap);
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XFreePixmap(dpy, mask_bitmap);
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return(cursor);
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}
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static Cursor
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CreateCursorFromName(char *name)
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{
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XColor fg, bg, temp;
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int i;
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Font fid;
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fg = NameToXColor(fore_color, BlackPixel(dpy, screen));
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bg = NameToXColor(back_color, WhitePixel(dpy, screen));
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if (reverse) {
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temp = fg; fg = bg; bg = temp;
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}
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i = XmuCursorNameToIndex (name);
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if (i == -1)
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return (Cursor) 0;
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fid = XLoadFont (dpy, "cursor");
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if (!fid)
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return (Cursor) 0;
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return XCreateGlyphCursor (dpy, fid, fid,
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i, i+1, &fg, &bg);
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}
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/*
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* MakeModulaBitmap: Returns a modula bitmap based on an x & y mod.
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*/
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static Pixmap
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MakeModulaBitmap(int mod_x, int mod_y)
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{
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int i;
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long pattern_line = 0;
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char modula_data[16*16/8];
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for (i=16; i--; ) {
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pattern_line <<=1;
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if ((i % mod_x) == 0) pattern_line |= 0x0001;
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}
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for (i=0; i<16; i++) {
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if ((i % mod_y) == 0) {
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modula_data[i*2] = (char)0xff;
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modula_data[i*2+1] = (char)0xff;
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} else {
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modula_data[i*2] = pattern_line & 0xff;
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modula_data[i*2+1] = (pattern_line>>8) & 0xff;
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}
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}
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return(XCreateBitmapFromData(dpy, root, modula_data, 16, 16));
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}
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/*
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* NameToXColor: Convert the name of a color to its Xcolor value.
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*/
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static XColor
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NameToXColor(char *name, unsigned long pixel)
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{
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XColor c;
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if (!name || !*name) {
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c.pixel = pixel;
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XQueryColor(dpy, DefaultColormap(dpy, screen), &c);
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} else if (!XParseColor(dpy, DefaultColormap(dpy, screen), name, &c)) {
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fprintf(stderr, "%s: unknown color or bad color format: %s\n",
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program_name, name);
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exit(1);
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/*NOTREACHED*/
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}
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return(c);
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}
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static unsigned long
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NameToPixel(char *name, unsigned long pixel)
|
|
{
|
|
XColor ecolor;
|
|
|
|
if (!name || !*name)
|
|
return pixel;
|
|
if (!XParseColor(dpy,DefaultColormap(dpy,screen),name,&ecolor)) {
|
|
fprintf(stderr,"%s: unknown color \"%s\"\n",program_name,name);
|
|
exit(1);
|
|
/*NOTREACHED*/
|
|
}
|
|
if (!XAllocColor(dpy, DefaultColormap(dpy, screen),&ecolor)) {
|
|
fprintf(stderr, "%s: unable to allocate color for \"%s\"\n",
|
|
program_name, name);
|
|
exit(1);
|
|
/*NOTREACHED*/
|
|
}
|
|
if ((ecolor.pixel != BlackPixel(dpy, screen)) &&
|
|
(ecolor.pixel != WhitePixel(dpy, screen)) &&
|
|
(DefaultVisual(dpy, screen)->class & Dynamic))
|
|
save_colors = 1;
|
|
return(ecolor.pixel);
|
|
}
|
|
|
|
static Pixmap
|
|
ReadBitmapFile(char *filename, unsigned int *width, unsigned int *height,
|
|
int *x_hot, int *y_hot)
|
|
{
|
|
Pixmap bitmap;
|
|
int status;
|
|
|
|
status = XReadBitmapFile(dpy, root, filename, width,
|
|
height, &bitmap, x_hot, y_hot);
|
|
if (status == BitmapSuccess)
|
|
return(bitmap);
|
|
else if (status == BitmapOpenFailed)
|
|
fprintf(stderr, "%s: can't open file: %s\n", program_name, filename);
|
|
else if (status == BitmapFileInvalid)
|
|
fprintf(stderr, "%s: bad bitmap format file: %s\n",
|
|
program_name, filename);
|
|
else
|
|
fprintf(stderr, "%s: insufficient memory for bitmap: %s",
|
|
program_name, filename);
|
|
exit(1);
|
|
/*NOTREACHED*/
|
|
}
|