IABSD.fr/xenocara/app/cwm/kbfunc.c

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• Author : okan
  Date : 2010-02-10 01:23:05
  Hash : 5d675943
  Message : preserve labels after an edit action is aborted; extending the menu struct just for this is the least intrusive approach until the menu code is reviewed. inspired by Thomas Pfaff's report on tech@ ok oga@

• app/cwm/kbfunc.c

• /*
   *  calmwm - the calm window manager
   *
   *  Copyright (c) 2004 Martin Murray <mmurray@monkey.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   *
   * $Id: kbfunc.c,v 1.51 2010/02/10 01:23:05 okan Exp $
   */
  
  #include <sys/param.h>
  #include <sys/queue.h>
  
  #include <dirent.h>
  #include <err.h>
  #include <errno.h>
  #include <paths.h>
  #include <stdlib.h>
  #include <string.h>
  #include <stdio.h>
  #include <unistd.h>
  
  #include "calmwm.h"
  
  #define KNOWN_HOSTS	".ssh/known_hosts"
  #define HASH_MARKER	"|1|"
  
  extern int		_xev_quit;
  
  void
  kbfunc_client_lower(struct client_ctx *cc, union arg *arg)
  {
  	client_lower(cc);
  }
  
  void
  kbfunc_client_raise(struct client_ctx *cc, union arg *arg)
  {
  	client_raise(cc);
  }
  
  #define typemask	(CWM_MOVE | CWM_RESIZE | CWM_PTRMOVE)
  #define movemask	(CWM_UP | CWM_DOWN | CWM_LEFT | CWM_RIGHT)
  void
  kbfunc_moveresize(struct client_ctx *cc, union arg *arg)
  {
  	struct screen_ctx	*sc;
  	int			 x, y, flags, amt;
  	u_int			 mx, my;
  
  	sc = cc->sc;
  	mx = my = 0;
  
  	flags = arg->i;
  	amt = Conf.mamount;
  
  	if (flags & CWM_BIGMOVE) {
  		flags -= CWM_BIGMOVE;
  		amt = amt * 10;
  	}
  
  	switch (flags & movemask) {
  	case CWM_UP:
  		my -= amt;
  		break;
  	case CWM_DOWN:
  		my += amt;
  		break;
  	case CWM_RIGHT:
  		mx += amt;
  		break;
  	case CWM_LEFT:
  		mx -= amt;
  		break;
  	}
  	switch (flags & typemask) {
  	case CWM_MOVE:
  		cc->geom.y += my;
  		if (cc->geom.y + cc->geom.height < 0)
  			cc->geom.y = -cc->geom.height;
  		if (cc->geom.y > cc->sc->ymax - 1)
  			cc->geom.y = cc->sc->ymax - 1;
  
  		cc->geom.x += mx;
  		if (cc->geom.x + cc->geom.width < 0)
  			cc->geom.x = -cc->geom.width;
  		if (cc->geom.x > cc->sc->xmax - 1)
  			cc->geom.x = cc->sc->xmax - 1;
  
  		client_move(cc);
  		xu_ptr_getpos(cc->win, &x, &y);
  		cc->ptr.y = y + my;
  		cc->ptr.x = x + mx;
  		client_ptrwarp(cc);
  		break;
  	case CWM_RESIZE:
  		if ((cc->geom.height += my) < 1)
  			cc->geom.height = 1;
  		if ((cc->geom.width += mx) < 1)
  			cc->geom.width = 1;
  		client_resize(cc);
  
  		/* Make sure the pointer stays within the window. */
  		xu_ptr_getpos(cc->win, &cc->ptr.x, &cc->ptr.y);
  		if (cc->ptr.x > cc->geom.width)
  			cc->ptr.x = cc->geom.width - cc->bwidth;
  		if (cc->ptr.y > cc->geom.height)
  			cc->ptr.y = cc->geom.height - cc->bwidth;
  		client_ptrwarp(cc);
  		break;
  	case CWM_PTRMOVE:
  		if (cc) {
  			xu_ptr_getpos(cc->win, &x, &y);
  			xu_ptr_setpos(cc->win, x + mx, y + my);
  		} else {
  			xu_ptr_getpos(sc->rootwin, &x, &y);
  			xu_ptr_setpos(sc->rootwin, x + mx, y + my);
  		}
  		break;
  	default:
  		warnx("invalid flags passed to kbfunc_client_moveresize");
  	}
  }
  
  void
  kbfunc_client_search(struct client_ctx *cc, union arg *arg)
  {
  	struct screen_ctx	*sc;
  	struct client_ctx	*old_cc;
  	struct menu		*mi;
  	struct menu_q		 menuq;
  
  	sc = cc->sc;
  	old_cc = client_current();
  
  	TAILQ_INIT(&menuq);
  
  	TAILQ_FOREACH(cc, &Clientq, entry) {
  		mi = xcalloc(1, sizeof(*mi));
  		strlcpy(mi->text, cc->name, sizeof(mi->text));
  		mi->ctx = cc;
  		TAILQ_INSERT_TAIL(&menuq, mi, entry);
  	}
  
  	if ((mi = menu_filter(sc, &menuq, "window", NULL, 0,
  	    search_match_client, search_print_client)) != NULL) {
  		cc = (struct client_ctx *)mi->ctx;
  		if (cc->flags & CLIENT_HIDDEN)
  			client_unhide(cc);
  
  		if (old_cc)
  			client_ptrsave(old_cc);
  		client_ptrwarp(cc);
  	}
  
  	while ((mi = TAILQ_FIRST(&menuq)) != NULL) {
  		TAILQ_REMOVE(&menuq, mi, entry);
  		xfree(mi);
  	}
  }
  
  void
  kbfunc_menu_search(struct client_ctx *cc, union arg *arg)
  {
  	struct screen_ctx	*sc;
  	struct cmd		*cmd;
  	struct menu		*mi;
  	struct menu_q		 menuq;
  
  	sc = cc->sc;
  	TAILQ_INIT(&menuq);
  
  	TAILQ_FOREACH(cmd, &Conf.cmdq, entry) {
  		mi = xcalloc(1, sizeof(*mi));
  		strlcpy(mi->text, cmd->label, sizeof(mi->text));
  		mi->ctx = cmd;
  		TAILQ_INSERT_TAIL(&menuq, mi, entry);
  	}
  
  	if ((mi = menu_filter(sc, &menuq, "application", NULL, 0,
  	    search_match_text, NULL)) != NULL)
  		u_spawn(((struct cmd *)mi->ctx)->image);
  
  	while ((mi = TAILQ_FIRST(&menuq)) != NULL) {
  		TAILQ_REMOVE(&menuq, mi, entry);
  		xfree(mi);
  	}
  }
  
  void
  kbfunc_client_cycle(struct client_ctx *cc, union arg *arg)
  {
  	struct screen_ctx	*sc;
  
  	sc = cc->sc;
  
  	/* XXX for X apps that ignore events */
  	XGrabKeyboard(X_Dpy, sc->rootwin, True,
  	    GrabModeAsync, GrabModeAsync, CurrentTime);
  
  	client_cycle(sc, arg->i);
  }
  
  void
  kbfunc_client_hide(struct client_ctx *cc, union arg *arg)
  {
  	client_hide(cc);
  }
  
  void
  kbfunc_cmdexec(struct client_ctx *cc, union arg *arg)
  {
  	u_spawn(arg->c);
  }
  
  void
  kbfunc_term(struct client_ctx *cc, union arg *arg)
  {
  	u_spawn(Conf.termpath);
  }
  
  void
  kbfunc_lock(struct client_ctx *cc, union arg *arg)
  {
  	u_spawn(Conf.lockpath);
  }
  
  void
  kbfunc_exec(struct client_ctx *cc, union arg *arg)
  {
  #define NPATHS 256
  	struct screen_ctx	*sc;
  	char			**ap, *paths[NPATHS], *path, *pathcpy, *label;
  	char			 tpath[MAXPATHLEN];
  	DIR			*dirp;
  	struct dirent		*dp;
  	struct menu		*mi;
  	struct menu_q		 menuq;
  	int			 l, i, cmd = arg->i;
  
  	sc = cc->sc;
  	switch (cmd) {
  		case CWM_EXEC_PROGRAM:
  			label = "exec";
  			break;
  		case CWM_EXEC_WM:
  			label = "wm";
  			break;
  		default:
  			err(1, "kbfunc_exec: invalid cmd %d", cmd);
  			/*NOTREACHED*/
  	}
  
  	TAILQ_INIT(&menuq);
  
  	if ((path = getenv("PATH")) == NULL)
  		path = _PATH_DEFPATH;
  	pathcpy = path = xstrdup(path);
  
  	for (ap = paths; ap < &paths[NPATHS - 1] &&
  	    (*ap = strsep(&pathcpy, ":")) != NULL;) {
  		if (**ap != '\0')
  			ap++;
  	}
  	*ap = NULL;
  	for (i = 0; i < NPATHS && paths[i] != NULL; i++) {
  		if ((dirp = opendir(paths[i])) == NULL)
  			continue;
  
  		while ((dp = readdir(dirp)) != NULL) {
  			/* skip everything but regular files and symlinks */
  			if (dp->d_type != DT_REG && dp->d_type != DT_LNK)
  				continue;
  			memset(tpath, '\0', sizeof(tpath));
  			l = snprintf(tpath, sizeof(tpath), "%s/%s", paths[i],
  			    dp->d_name);
  			/* check for truncation etc */
  			if (l == -1 || l >= (int)sizeof(tpath))
  				continue;
  			if (access(tpath, X_OK) == 0) {
  				mi = xcalloc(1, sizeof(*mi));
  				strlcpy(mi->text, dp->d_name, sizeof(mi->text));
  				TAILQ_INSERT_TAIL(&menuq, mi, entry);
  			}
  		}
  		(void)closedir(dirp);
  	}
  	xfree(path);
  
  	if ((mi = menu_filter(sc, &menuq, label, NULL, 1,
  	    search_match_exec, NULL)) != NULL) {
  		if (mi->text[0] == '\0')
  			goto out;
  		switch (cmd) {
  			case CWM_EXEC_PROGRAM:
  				u_spawn(mi->text);
  				break;
  			case CWM_EXEC_WM:
  				u_exec(mi->text);
  				warn("%s", mi->text);
  				break;
  			default:
  				err(1, "kb_func: egad, cmd changed value!");
  				break;
  		}
  	}
  out:
  	if (mi != NULL && mi->dummy)
  		xfree(mi);
  	while ((mi = TAILQ_FIRST(&menuq)) != NULL) {
  		TAILQ_REMOVE(&menuq, mi, entry);
  		xfree(mi);
  	}
  }
  
  void
  kbfunc_ssh(struct client_ctx *cc, union arg *arg)
  {
  	struct screen_ctx	*sc;
  	struct menu		*mi;
  	struct menu_q		 menuq;
  	FILE			*fp;
  	char			*buf, *lbuf, *p, *home;
  	char			 hostbuf[MAXHOSTNAMELEN], filename[MAXPATHLEN];
  	char			 cmd[256];
  	int			 l;
  	size_t			 len;
  
  	sc = cc->sc;
  
  	if ((home = getenv("HOME")) == NULL)
  		return;
  
  	l = snprintf(filename, sizeof(filename), "%s/%s", home, KNOWN_HOSTS);
  	if (l == -1 || l >= sizeof(filename))
  		return;
  
  	if ((fp = fopen(filename, "r")) == NULL)
  		return;
  
  	TAILQ_INIT(&menuq);
  	lbuf = NULL;
  	while ((buf = fgetln(fp, &len))) {
  		if (buf[len - 1] == '\n')
  			buf[len - 1] = '\0';
  		else {
  			/* EOF without EOL, copy and add the NUL */
  			lbuf = xmalloc(len + 1);
  			memcpy(lbuf, buf, len);
  			lbuf[len] = '\0';
  			buf = lbuf;
  		}
  		/* skip hashed hosts */
  		if (strncmp(buf, HASH_MARKER, strlen(HASH_MARKER)) == 0)
  			continue;
  		for (p = buf; *p != ',' && *p != ' ' && p != buf + len; p++) {
  			/* do nothing */
  		}
  		/* ignore badness */
  		if (p - buf + 1 > sizeof(hostbuf))
  			continue;
  		(void) strlcpy(hostbuf, buf, p - buf + 1);
  		mi = xcalloc(1, sizeof(*mi));
  		(void) strlcpy(mi->text, hostbuf, sizeof(mi->text));
  		TAILQ_INSERT_TAIL(&menuq, mi, entry);
  	}
  	xfree(lbuf);
  	fclose(fp);
  
  	if ((mi = menu_filter(sc, &menuq, "ssh", NULL, 1,
  	    search_match_exec, NULL)) != NULL) {
  		if (mi->text[0] == '\0')
  			goto out;
  		l = snprintf(cmd, sizeof(cmd), "%s -e ssh %s", Conf.termpath,
  		    mi->text);
  		if (l != -1 && l < sizeof(cmd))
  			u_spawn(cmd);
  	}
  out:
  	if (mi != NULL && mi->dummy)
  		xfree(mi);
  	while ((mi = TAILQ_FIRST(&menuq)) != NULL) {
  		TAILQ_REMOVE(&menuq, mi, entry);
  		xfree(mi);
  	}
  }
  
  void
  kbfunc_client_label(struct client_ctx *cc, union arg *arg)
  {
  	struct menu	*mi;
  	struct menu_q	 menuq;
  
  	TAILQ_INIT(&menuq);
  
  	/* dummy is set, so this will always return */
  	mi = menu_filter(cc->sc, &menuq, "label", cc->label, 1,
  	    search_match_text, NULL);
  
  	if (!mi->abort) {
  		if (cc->label != NULL)
  			xfree(cc->label);
  		cc->label = xstrdup(mi->text);
  	}
  	xfree(mi);
  }
  
  void
  kbfunc_client_delete(struct client_ctx *cc, union arg *arg)
  {
  	client_send_delete(cc);
  }
  
  void
  kbfunc_client_group(struct client_ctx *cc, union arg *arg)
  {
  	group_hidetoggle(cc->sc, KBTOGROUP(arg->i));
  }
  
  void
  kbfunc_client_grouponly(struct client_ctx *cc, union arg *arg)
  {
  	group_only(cc->sc, KBTOGROUP(arg->i));
  }
  
  void
  kbfunc_client_cyclegroup(struct client_ctx *cc, union arg *arg)
  {
  	group_cycle(cc->sc, arg->i);
  }
  
  void
  kbfunc_client_nogroup(struct client_ctx *cc, union arg *arg)
  {
  	group_alltoggle(cc->sc);
  }
  
  void
  kbfunc_client_grouptoggle(struct client_ctx *cc, union arg *arg)
  {
  	/* XXX for stupid X apps like xpdf and gvim */
  	XGrabKeyboard(X_Dpy, cc->win, True,
  	    GrabModeAsync, GrabModeAsync, CurrentTime);
  
  	group_sticky_toggle_enter(cc);
  }
  
  void
  kbfunc_client_movetogroup(struct client_ctx *cc, union arg *arg)
  {
  	group_movetogroup(cc, KBTOGROUP(arg->i));
  }
  
  void
  kbfunc_client_maximize(struct client_ctx *cc, union arg *arg)
  {
  	client_maximize(cc);
  }
  
  void
  kbfunc_client_vmaximize(struct client_ctx *cc, union arg *arg)
  {
  	client_vertmaximize(cc);
  }
  
  void
  kbfunc_client_hmaximize(struct client_ctx *cc, union arg *arg)
  {
  	client_horizmaximize(cc);
  }
  
  void
  kbfunc_quit_wm(struct client_ctx *cc, union arg *arg)
  {
  	_xev_quit = 1;
  }
  
  void
  kbfunc_reload(struct client_ctx *cc, union arg *arg)
  {
  	conf_reload(&Conf);
  }