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kiss-mfavila-large/ports/snarf/tmp/9menu.c

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/*
* 9menu.c
*
* This program puts up a window that is just a menu, and executes
* commands that correspond to the items selected.
*
* Initial idea: Arnold Robbins
* Version using libXg: Matty Farrow (some ideas borrowed)
* This code by: David Hogan and Arnold Robbins
*
* Copyright (c), Arnold Robbins and David Hogan
*
* Arnold Robbins
* arnold@skeeve.com
* October, 1994
*
* Code added to cause pop-up (unIconify) to move menu to mouse.
* Christopher Platt
* platt@coos.dartmouth.edu
* May, 1995
*
* Said code moved to -teleport option, and -warp option added.
* Arnold Robbins
* June, 1995
*
* Code added to allow -fg and -bg colors.
* John M. O'Donnell
* odonnell@stpaul.lampf.lanl.gov
* April, 1997
*
* Code added for -file and -path options.
* Peter Seebach
* seebs@plethora.net
* October, 2001
*
* Code added to allow up and down arrow keys to go up
* and down menu and RETURN to select an item.
* Matthias Bauer
* bauerm@immd1.informatik.uni-erlangen.de
* June, 2003
*
* spawn() changed to do exec directly if -popup, based on
* suggestion from
* Andrew Stribblehill
* a.d.stribblehill@durham.ac.uk
* June, 2004
*
* Allow "-" to mean read info from stdin.
* suggestion from
* Peter Bailey, by way of
* Andrew Stribblehill
* a.d.stribblehill@durham.ac.uk
* August, 2005
*
* Fix compile warnings (getcwd and getting a key sym).
* Arnold Robbins
* January, 2015.
*/
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/X.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
#include <X11/keysymdef.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h>
char version[] = "9menu version 1.10";
Display *dpy; /* lovely X stuff */
int screen;
Window root;
Window menuwin;
GC gc;
unsigned long black;
unsigned long white;
char *fgcname = NULL;
char *bgcname = NULL;
Colormap defcmap;
XColor color;
XFontStruct *font;
Atom wm_protocols;
Atom wm_delete_window;
int g_argc; /* for XSetWMProperties to use */
char **g_argv;
int f_argc; /* for labels read from files */
char **f_argv;
char *geometry = "";
int savex, savey;
Window savewindow;
char *fontlist[] = { /* default font list if no -font */
"pelm.latin1.9",
"lucm.latin1.9",
"blit",
"9x15bold",
"9x15",
"lucidasanstypewriter-12",
"fixed",
NULL
};
/* the 9menu icon, for garish window managers */
#define nine_menu_width 40
#define nine_menu_height 40
static unsigned char nine_menu_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0x04, 0x00,
0x80, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00,
0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04,
0x00, 0x80, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0xfc, 0xff, 0xff,
0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00,
0xfc, 0xff, 0xff, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0x04, 0x00,
0x80, 0xe0, 0x01, 0x04, 0x00, 0x80, 0xe0, 0x00, 0xfc, 0xff, 0xff, 0xe0,
0x01, 0xfc, 0xff, 0xff, 0x20, 0x03, 0x04, 0x00, 0x80, 0x00, 0x06, 0x04,
0x00, 0x80, 0x00, 0x0c, 0xfc, 0xff, 0xff, 0x00, 0x08, 0xfc, 0xff, 0xff,
0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00,
0xfc, 0xff, 0xff, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0x04, 0x00,
0x80, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00,
0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04,
0x00, 0x80, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x00, 0xfc, 0xff, 0xff,
0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04, 0x00, 0x80, 0x00, 0x00,
0xfc, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
/* Modify this to your liking */
#define CONFIG_MENU_UP_KEY XK_Up
#define CONFIG_MENU_DOWN_KEY XK_Down
#define CONFIG_MENU_SELECT_KEY XK_Return
char *progname; /* my name */
char *displayname; /* X display */
char *fontname; /* font */
char *labelname; /* window and icon name */
char *filename; /* file to read options or labels from */
bool popup = false; /* true if we're a popup window */
bool popdown = false; /* autohide after running a command */
bool iconic = false; /* start iconified */
bool teleport = false; /* teleport the menu */
bool warp = false; /* warp the mouse */
char **labels; /* list of labels and commands */
char **commands;
int numitems;
char *shell = "/bin/sh"; /* default shell */
extern void usage(), run_menu(), spawn(char *com), ask_wm_for_delete();
extern void reap(int sig), set_wm_hints(int wide, int high);
extern void redraw(int cur, int high, int wide);
extern void teleportmenu(int cur, int wide, int high);
extern void warpmouse(int cur, int wide, int high);
extern void restoremouse();
extern void memory(char *msg);
extern int args(int argc, char **argv);
/* memory --- print the out of memory message and die */
void
memory(char *s)
{
fprintf(stderr, "%s: couldn't allocate memory for %s: %s\n", progname, s, strerror(errno));
exit(1);
}
/* args --- go through the argument list, set options */
int
args(int argc, char **argv)
{
int i;
if (argc == 0 || argv == NULL || argv[0][0] == '\0')
return -1;
for (i = 0; i < argc && argv[i] != NULL; i++) {
if (strcmp(argv[i], "-display") == 0) {
displayname = argv[i+1];
i++;
} else if (strcmp(argv[i], "-file") == 0) {
filename = argv[i+1];
i++;
} else if (strcmp(argv[i], "-font") == 0) {
fontname = argv[i+1];
i++;
} else if (strcmp(argv[i], "-geometry") == 0) {
geometry = argv[i+1];
i++;
} else if (strcmp(argv[i], "-label") == 0) {
labelname = argv[i+1];
i++;
} else if (strcmp(argv[i], "-shell") == 0) {
shell = argv[i+1];
i++;
} else if (strcmp(argv[i], "-popup") == 0)
popup = true;
else if (strcmp(argv[i], "-popdown") == 0)
popdown = true;
else if (strcmp(argv[i], "-fg") == 0)
fgcname = argv[++i];
else if (strcmp(argv[i], "-bg") == 0)
bgcname = argv[++i];
else if (strcmp(argv[i], "-iconic") == 0)
iconic = true;
else if (strcmp(argv[i], "-path") == 0) {
char pathbuf[MAXPATHLEN];
char *s, *t;
s = getenv("PATH");
if (s != NULL) {
/* append current dir to PATH */
char *cp = getcwd(pathbuf, MAXPATHLEN);
t = malloc(strlen(s) + strlen(pathbuf) + 7);
sprintf(t, "PATH=%s:%s", pathbuf, s);
putenv(t);
}
} else if (strcmp(argv[i], "-teleport") == 0)
teleport = true;
else if (strcmp(argv[i], "-warp") == 0)
warp = true;
else if (strcmp(argv[i], "-version") == 0) {
printf("%s\n", version);
exit(0);
} else if (argv[i][0] == '-')
usage();
else
break;
}
return i;
}
/* main --- crack arguments, set up X stuff, run the main menu loop */
int
main(int argc, char **argv)
{
int i, j;
char *cp;
XGCValues gv;
unsigned long mask;
int nlabels = 0;
g_argc = argc;
g_argv = argv;
/* set default label name */
if ((cp = strrchr(argv[0], '/')) == NULL)
labelname = argv[0];
else
labelname = ++cp;
++argv;
--argc;
/* and program name for diagnostics */
progname = labelname;
i = args(argc, argv);
numitems = argc - i;
if (numitems <= 0 && filename == NULL)
usage();
if (filename) {
/* Read options and labels from file */
char fbuf[1024];
FILE *fp;
if (strcmp(filename, "-") == 0) {
fp = stdin;
} else {
fp = fopen(filename, "r");
}
if (fp == NULL) {
fprintf(stderr, "%s: couldn't open '%s': %s\n", progname,
filename, strerror(errno));
exit(1);
}
while (fgets(fbuf, sizeof fbuf, fp)) {
char *s = fbuf;
strtok(s, "\n");
if (s[0] == '-') {
char *temp[3];
temp[0] = s;
temp[1] = strchr(s, ' ');
if (temp[1]) {
*(temp[1]++) = '\0';
s = malloc(strlen(temp[1]) + 1);
if (s == NULL)
memory("temporary argument");
strcpy(s, temp[1]);
temp[1] = s;
}
temp[2] = 0;
args(temp[1] ? 2 : 1, temp);
continue;
}
if (s[0] == '#')
continue;
/* allow - in menu items to be escaped */
if (s[0] == '\\')
++s;
/* allocate space */
if (f_argc < nlabels + 1) {
int k;
char **temp = malloc(sizeof(char *) * (f_argc + 5));
if (temp == 0)
memory("temporary item");
for (k = 0; k < nlabels; k++)
temp[k] = f_argv[k];
free(f_argv);
f_argv = temp;
f_argc += 5;
}
f_argv[nlabels] = malloc(strlen(s) + 1);
if (f_argv[nlabels] == NULL)
memory("temporary text");
strcpy(f_argv[nlabels], s);
++nlabels;
}
}
labels = (char **) malloc((numitems + nlabels) * sizeof(char *));
commands = (char **) malloc((numitems + nlabels) * sizeof(char *));
if (commands == NULL || labels == NULL)
memory("command and label arrays");
for (j = 0; j < numitems; j++) {
labels[j] = argv[i + j];
if ((cp = strchr(labels[j], ':')) != NULL) {
*cp++ = '\0';
commands[j] = cp;
} else
commands[j] = labels[j];
}
/*
* Now we no longer need i (our offset into argv) so we recycle it,
* while keeping the old value of j!
*/
for (i = 0; i < nlabels; i++) {
labels[j] = f_argv[i];
if ((cp = strchr(labels[j], ':')) != NULL) {
*cp++ = '\0';
commands[j] = cp;
} else
commands[j] = labels[j];
++j;
}
/* And now we merge the totals */
numitems += nlabels;
dpy = XOpenDisplay(displayname);
if (dpy == NULL) {
fprintf(stderr, "%s: cannot open display", progname);
if (displayname != NULL)
fprintf(stderr, " %s", displayname);
fprintf(stderr, "\n");
exit(1);
}
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
/*
* This used to be
* black = BlackPixel(dpy, screen);
* white = WhitePixel(dpy, screen);
*/
defcmap = DefaultColormap(dpy, screen);
if (fgcname == NULL
|| XParseColor(dpy, defcmap, fgcname, &color) == 0
|| XAllocColor(dpy, defcmap, &color) == 0)
black = BlackPixel(dpy, screen);
else
black = color.pixel;
if (bgcname == NULL
|| XParseColor(dpy, defcmap, bgcname, &color) == 0
|| XAllocColor(dpy, defcmap, &color) == 0)
white = WhitePixel(dpy, screen);
else
white = color.pixel;
/* try user's font first */
if (fontname != NULL) {
font = XLoadQueryFont(dpy, fontname);
if (font == NULL)
fprintf(stderr, "%s: warning: can't load font %s\n",
progname, fontname);
}
/* if no user font, try one of our default fonts */
if (font == NULL) {
for (i = 0; fontlist[i] != NULL; i++) {
font = XLoadQueryFont(dpy, fontlist[i]);
if (font != NULL)
break;
}
}
if (font == NULL) {
fprintf(stderr, "%s: fatal: cannot load a font\n", progname);
exit(1);
}
gv.foreground = black^white;
gv.background = white;
gv.font = font->fid;
gv.function = GXxor;
gv.line_width = 0;
mask = GCForeground | GCBackground | GCFunction | GCFont | GCLineWidth;
gc = XCreateGC(dpy, root, mask, &gv);
signal(SIGCHLD, reap);
run_menu();
XCloseDisplay(dpy);
exit(0);
}
/* spawn --- run a command */
void
spawn(char *com)
{
int pid;
static char *sh_base = NULL;
if (sh_base == NULL) {
sh_base = strrchr(shell, '/');
if (sh_base != NULL)
sh_base++;
else
sh_base = shell;
}
/*
* Since -popup means run command and exit, just
* fall straight into exec code. Thus only fork
* if not popup.
*/
if (! popup) {
if (strncmp(com, "exec ", 5) != 0) {
pid = fork();
if (pid < 0) {
fprintf(stderr, "%s: can't fork: %s\n", progname, strerror(errno));
return;
} else if (pid > 0)
return;
} else {
com += 5;
}
}
close(ConnectionNumber(dpy));
execl(shell, sh_base, "-c", com, NULL);
execl("/bin/sh", "sh", "-c", com, NULL);
_exit(1);
}
/* reap --- collect dead children */
void
reap(int sig)
{
(void) wait((int *) NULL);
signal(sig, reap);
}
/* usage --- print a usage message and die */
void
usage()
{
fprintf(stderr, "usage: %s [-display displayname] [-font fname] ", progname);
fprintf(stderr, "[-file filename] [-path]");
fprintf(stderr, "[-geometry geom] [-shell shell] [-label name] ");
fprintf(stderr, "[-popup] [-popdown] [-iconic] [-teleport] ");
fprintf(stderr, "[-warp] [-version] menitem:command ...\n");
exit(0);
}
/* run_menu --- put up the window, execute selected commands */
void
run_menu()
{
XEvent ev;
XClientMessageEvent *cmsg;
KeySym key;
int i, cur, old, wide, high, ico, dx, dy;
dx = 0;
for (i = 0; i < numitems; i++) {
wide = XTextWidth(font, labels[i], strlen(labels[i])) + 4;
if (wide > dx)
dx = wide;
}
wide = dx;
old = cur = -1;
high = font->ascent + font->descent + 1;
dy = numitems * high;
set_wm_hints(wide, dy);
ask_wm_for_delete();
#define MenuMask (ButtonPressMask|ButtonReleaseMask\
|LeaveWindowMask|PointerMotionMask|ButtonMotionMask\
|ExposureMask|StructureNotifyMask|KeyPressMask)
XSelectInput(dpy, menuwin, MenuMask);
XMapWindow(dpy, menuwin);
ico = 1; /* warp to first item */
i = 0; /* save menu Item position */
for (;;) {
XNextEvent(dpy, &ev);
switch (ev.type) {
default:
fprintf(stderr, "%s: unknown ev.type %d\n",
progname, ev.type);
break;
case ButtonRelease:
/* allow button 1 or button 3 */
if (ev.xbutton.button == Button2)
break;
i = ev.xbutton.y/high;
if (ev.xbutton.x < 0 || ev.xbutton.x > wide)
break;
else if (i < 0 || i >= numitems)
break;
if (warp)
restoremouse();
if (strcmp(labels[i], "exit") == 0) {
if (commands[i] != labels[i]) {
spawn(commands[i]);
}
return;
}
spawn(commands[i]);
if (popup)
return;
if (cur >= 0 && cur < numitems)
XFillRectangle(dpy, menuwin, gc, 0, cur*high, wide, high);
if (popdown)
XIconifyWindow(dpy, menuwin, screen);
cur = -1;
break;
case ButtonPress:
case MotionNotify:
old = cur;
cur = ev.xbutton.y/high;
if (ev.xbutton.x < 0 || ev.xbutton.x > wide)
cur = -1;
else if (cur < 0 || cur >= numitems)
cur = -1;
if (cur == old)
break;
if (old >= 0 && old < numitems)
XFillRectangle(dpy, menuwin, gc, 0, old*high, wide, high);
if (cur >= 0 && cur < numitems)
XFillRectangle(dpy, menuwin, gc, 0, cur*high, wide, high);
break;
case KeyPress:
/* http://stackoverflow.com/questions/9838385/replace-of-xkeycodetokeysym */
key = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0,
ev.xkey.state & ShiftMask ? 1 : 0);
if (key != CONFIG_MENU_UP_KEY
&& key != CONFIG_MENU_DOWN_KEY
&& key != CONFIG_MENU_SELECT_KEY)
break;
/* adjust i so mapping will work */
if (key == CONFIG_MENU_UP_KEY) {
old = cur;
cur--;
i--;
} else if (key == CONFIG_MENU_DOWN_KEY) {
old = cur;
cur++;
i++;
}
while (cur < 0)
cur += numitems;
cur %= numitems;
if (key == CONFIG_MENU_UP_KEY || key == CONFIG_MENU_DOWN_KEY) {
if (cur == old)
break;
if (old >= 0 && old < numitems && cur != -1)
XFillRectangle(dpy, menuwin, gc, 0, old*high, wide, high);
if (cur >= 0 && cur < numitems && cur != -1)
XFillRectangle(dpy, menuwin, gc, 0, cur*high, wide, high);
break;
}
if (warp)
restoremouse();
if (key == CONFIG_MENU_SELECT_KEY) {
if (strcmp(labels[cur], "exit") == 0) {
if (commands[cur] != labels[cur]) {
spawn(commands[cur]);
}
return;
}
spawn(commands[cur]);
}
if (popup)
return;
if (popdown)
XIconifyWindow(dpy, menuwin, screen);
break;
case LeaveNotify:
cur = old = -1;
XClearWindow(dpy, menuwin);
redraw(cur, high, wide);
break;
case ReparentNotify:
case ConfigureNotify:
/*
* ignore these, they come from XMoveWindow
* and are enabled by Struct..
*/
break;
case UnmapNotify:
ico = 1;
XClearWindow(dpy, menuwin);
break;
case MapNotify:
if (ico) {
if (teleport)
teleportmenu(i, wide, high);
else if (warp)
warpmouse(i, wide, high);
}
XClearWindow(dpy, menuwin);
redraw(cur = i, high, wide);
ico = 0;
break;
case Expose:
XClearWindow(dpy, menuwin);
redraw(cur, high, wide);
break;
case ClientMessage:
cmsg = &ev.xclient;
if (cmsg->message_type == wm_protocols
&& cmsg->data.l[0] == wm_delete_window)
return;
case MappingNotify: /* why do we get this? */
break;
}
}
}
/* set_wm_hints --- set all the window manager hints */
void
set_wm_hints(int wide, int high)
{
Pixmap iconpixmap;
XWMHints *wmhints;
XSizeHints *sizehints;
XClassHint *classhints;
XTextProperty wname, iname;
if ((sizehints = XAllocSizeHints()) == NULL)
memory("size hints");
if ((wmhints = XAllocWMHints()) == NULL)
memory("window manager hints");
if ((classhints = XAllocClassHint()) == NULL)
memory("class hints");
/* fill in hints in order to parse geometry spec */
sizehints->width = sizehints->min_width = sizehints->max_width = wide;
sizehints->height = sizehints->min_height = sizehints->max_height = high;
sizehints->flags = USSize|PSize|PMinSize|PMaxSize;
if (XWMGeometry(dpy, screen, geometry, "", 1, sizehints,
&sizehints->x, &sizehints->y,
&sizehints->width, &sizehints->height,
&sizehints->win_gravity) & (XValue|YValue))
sizehints->flags |= USPosition;
/* override -geometry for size of window */
sizehints->width = sizehints->min_width = sizehints->max_width = wide;
sizehints->height = sizehints->min_height = sizehints->max_height = high;
if (XStringListToTextProperty(& labelname, 1, & wname) == 0)
memory("window name structure");
if (XStringListToTextProperty(& labelname, 1, & iname) == 0)
memory("icon name structure");
menuwin = XCreateSimpleWindow(dpy, root, sizehints->x, sizehints->y,
sizehints->width, sizehints->height, 1, black, white);
iconpixmap = XCreateBitmapFromData(dpy, menuwin,
nine_menu_bits,
nine_menu_width,
nine_menu_height);
wmhints->icon_pixmap = iconpixmap;
wmhints->input = False; /* no keyboard input */
if (iconic)
wmhints->initial_state = IconicState;
else
wmhints->initial_state = NormalState;
wmhints->flags = IconPixmapHint | StateHint | InputHint;
classhints->res_name = progname;
classhints->res_class = "9menu";
#ifdef SET_PROPERTIES_MANUALLY
/*
* For some reason, XSetWMProperties (see below) is failing
* John O'Donnell replaces it with the following commands
* (this leaves out XSetWMClientMachine,
* and also environment variable checking from ClassHint)
*/
XSetWMName(dpy, menuwin, &wname);
XSetWMIconName(dpy, menuwin, &iname);
XSetCommand(dpy, menuwin, g_argv, g_argc);
XSetWMHints(dpy, menuwin, wmhints);
XSetClassHint(dpy, menuwin, classhints);
XSetWMNormalHints(dpy, menuwin, sizehints);
#else
XSetWMProperties(dpy, menuwin, & wname, & iname,
g_argv, g_argc, sizehints, wmhints, classhints);
#endif
}
/* ask_wm_for_delete --- jump through hoops to ask WM to delete us */
void
ask_wm_for_delete()
{
int status;
wm_protocols = XInternAtom(dpy, "WM_PROTOCOLS", False);
wm_delete_window = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
status = XSetWMProtocols(dpy, menuwin, & wm_delete_window, 1);
if (status != True)
fprintf(stderr, "%s: could not ask for clean delete\n",
progname);
}
/* redraw --- actually redraw the menu */
void
redraw(int cur, int high, int wide)
{
int tx, ty, i;
for (i = 0; i < numitems; i++) {
tx = (wide - XTextWidth(font, labels[i], strlen(labels[i]))) / 2;
ty = i*high + font->ascent + 1;
XDrawString(dpy, menuwin, gc, tx, ty, labels[i], strlen(labels[i]));
}
if (cur >= 0 && cur < numitems)
XFillRectangle(dpy, menuwin, gc, 0, cur*high, wide, high);
}
/* teleportmenu --- move the menu to the right place */
void
teleportmenu(int cur, int wide, int high)
{
int x, y, dummy;
Window wdummy;
if (XQueryPointer(dpy, menuwin, &wdummy, &wdummy, &x, &y,
&dummy, &dummy, &dummy))
XMoveWindow(dpy, menuwin, x-wide/2, y-cur*high-high/2);
}
/* warpmouse --- bring the mouse to the menu */
void
warpmouse(int cur, int wide, int high)
{
int dummy;
Window wdummy;
int offset;
/* move tip of pointer into middle of menu item */
offset = (font->ascent + font->descent + 1) / 2;
offset += 6; /* fudge factor */
if (XQueryPointer(dpy, menuwin, &wdummy, &wdummy, &savex, &savey,
&dummy, &dummy, &dummy))
XWarpPointer(dpy, None, menuwin, 0, 0, 0, 0,
wide/2, cur*high-high/2+offset);
}
/* restoremouse --- put the mouse back where it was */
void
restoremouse()
{
XWarpPointer(dpy, menuwin, root, 0, 0, 0, 0,
savex, savey);
}
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