config.c

远程登陆工具软件源码 用于远程登陆unix

		if (dlg_listbox_issel(ccd->listbox, dlg, i))
		    cfg->wordness[i] = n;
	    }
	    dlg_refresh(ccd->listbox, dlg);
	}
    }
}

struct colour_data {
    union control *listbox, *redit, *gedit, *bedit, *button;
};

static const char *const colours[] = {
    "Default Foreground", "Default Bold Foreground",
    "Default Background", "Default Bold Background",
    "Cursor Text", "Cursor Colour",
    "ANSI Black", "ANSI Black Bold",
    "ANSI Red", "ANSI Red Bold",
    "ANSI Green", "ANSI Green Bold",
    "ANSI Yellow", "ANSI Yellow Bold",
    "ANSI Blue", "ANSI Blue Bold",
    "ANSI Magenta", "ANSI Magenta Bold",
    "ANSI Cyan", "ANSI Cyan Bold",
    "ANSI White", "ANSI White Bold"
};

static void colour_handler(union control *ctrl, void *dlg,
			    void *data, int event)
{
    Config *cfg = (Config *)data;
    struct colour_data *cd =
	(struct colour_data *)ctrl->generic.context.p;
    int update = FALSE, r, g, b;

    if (event == EVENT_REFRESH) {
	if (ctrl == cd->listbox) {
	    int i;
	    dlg_update_start(ctrl, dlg);
	    dlg_listbox_clear(ctrl, dlg);
	    for (i = 0; i < lenof(colours); i++)
		dlg_listbox_add(ctrl, dlg, colours[i]);
	    dlg_update_done(ctrl, dlg);
	    dlg_editbox_set(cd->redit, dlg, "");
	    dlg_editbox_set(cd->gedit, dlg, "");
	    dlg_editbox_set(cd->bedit, dlg, "");
	}
    } else if (event == EVENT_SELCHANGE) {
	if (ctrl == cd->listbox) {
	    /* The user has selected a colour. Update the RGB text. */
	    int i = dlg_listbox_index(ctrl, dlg);
	    if (i < 0) {
		dlg_beep(dlg);
		return;
	    }
	    r = cfg->colours[i][0];
	    g = cfg->colours[i][1];
	    b = cfg->colours[i][2];
	    update = TRUE;
	}
    } else if (event == EVENT_VALCHANGE) {
	if (ctrl == cd->redit || ctrl == cd->gedit || ctrl == cd->bedit) {
	    /* The user has changed the colour using the edit boxes. */
	    char buf[80];
	    int i, cval;

	    dlg_editbox_get(ctrl, dlg, buf, lenof(buf));
	    cval = atoi(buf) & 255;

	    i = dlg_listbox_index(cd->listbox, dlg);
	    if (i >= 0) {
		if (ctrl == cd->redit)
		    cfg->colours[i][0] = cval;
		else if (ctrl == cd->gedit)
		    cfg->colours[i][1] = cval;
		else if (ctrl == cd->bedit)
		    cfg->colours[i][2] = cval;
	    }
	}
    } else if (event == EVENT_ACTION) {
	if (ctrl == cd->button) {
	    int i = dlg_listbox_index(cd->listbox, dlg);
	    if (i < 0) {
		dlg_beep(dlg);
		return;
	    }
	    /*
	     * Start a colour selector, which will send us an
	     * EVENT_CALLBACK when it's finished and allow us to
	     * pick up the results.
	     */
	    dlg_coloursel_start(ctrl, dlg,
				cfg->colours[i][0],
				cfg->colours[i][1],
				cfg->colours[i][2]);
	}
    } else if (event == EVENT_CALLBACK) {
	if (ctrl == cd->button) {
	    int i = dlg_listbox_index(cd->listbox, dlg);
	    /*
	     * Collect the results of the colour selector. Will
	     * return nonzero on success, or zero if the colour
	     * selector did nothing (user hit Cancel, for example).
	     */
	    if (dlg_coloursel_results(ctrl, dlg, &r, &g, &b)) {
		cfg->colours[i][0] = r;
		cfg->colours[i][1] = g;
		cfg->colours[i][2] = b;
		update = TRUE;
	    }
	}
    }

    if (update) {
	char buf[40];
	sprintf(buf, "%d", r); dlg_editbox_set(cd->redit, dlg, buf);
	sprintf(buf, "%d", g); dlg_editbox_set(cd->gedit, dlg, buf);
	sprintf(buf, "%d", b); dlg_editbox_set(cd->bedit, dlg, buf);
    }
}

struct environ_data {
    union control *varbox, *valbox, *addbutton, *rembutton, *listbox;
};

static void environ_handler(union control *ctrl, void *dlg,
			    void *data, int event)
{
    Config *cfg = (Config *)data;
    struct environ_data *ed =
	(struct environ_data *)ctrl->generic.context.p;

    if (event == EVENT_REFRESH) {
	if (ctrl == ed->listbox) {
	    char *p = cfg->environmt;
	    dlg_update_start(ctrl, dlg);
	    dlg_listbox_clear(ctrl, dlg);
	    while (*p) {
		dlg_listbox_add(ctrl, dlg, p);
		p += strlen(p) + 1;
	    }
	    dlg_update_done(ctrl, dlg);
	}
    } else if (event == EVENT_ACTION) {
	if (ctrl == ed->addbutton) {
	    char str[sizeof(cfg->environmt)];
	    char *p;
	    dlg_editbox_get(ed->varbox, dlg, str, sizeof(str)-1);
	    if (!*str) {
		dlg_beep(dlg);
		return;
	    }
	    p = str + strlen(str);
	    *p++ = '\t';
	    dlg_editbox_get(ed->valbox, dlg, p, sizeof(str)-1 - (p - str));
	    if (!*p) {
		dlg_beep(dlg);
		return;
	    }
	    p = cfg->environmt;
	    while (*p) {
		while (*p)
		    p++;
		p++;
	    }
	    if ((p - cfg->environmt) + strlen(str) + 2 <
		sizeof(cfg->environmt)) {
		strcpy(p, str);
		p[strlen(str) + 1] = '\0';
		dlg_listbox_add(ed->listbox, dlg, str);
		dlg_editbox_set(ed->varbox, dlg, "");
		dlg_editbox_set(ed->valbox, dlg, "");
	    } else {
		dlg_error_msg(dlg, "Environment too big");
	    }
	} else if (ctrl == ed->rembutton) {
	    int i = dlg_listbox_index(ed->listbox, dlg);
	    if (i < 0) {
		dlg_beep(dlg);
	    } else {
		char *p, *q;

		dlg_listbox_del(ed->listbox, dlg, i);
		p = cfg->environmt;
		while (i > 0) {
		    if (!*p)
			goto disaster;
		    while (*p)
			p++;
		    p++;
		    i--;
		}
		q = p;
		if (!*p)
		    goto disaster;
		while (*p)
		    p++;
		p++;
		while (*p) {
		    while (*p)
			*q++ = *p++;
		    *q++ = *p++;
		}
		*q = '\0';
		disaster:;
	    }
	}
    }
}

struct portfwd_data {
    union control *addbutton, *rembutton, *listbox;
    union control *sourcebox, *destbox, *direction;
};

static void portfwd_handler(union control *ctrl, void *dlg,
			    void *data, int event)
{
    Config *cfg = (Config *)data;
    struct portfwd_data *pfd =
	(struct portfwd_data *)ctrl->generic.context.p;

    if (event == EVENT_REFRESH) {
	if (ctrl == pfd->listbox) {
	    char *p = cfg->portfwd;
	    dlg_update_start(ctrl, dlg);
	    dlg_listbox_clear(ctrl, dlg);
	    while (*p) {
		dlg_listbox_add(ctrl, dlg, p);
		p += strlen(p) + 1;
	    }
	    dlg_update_done(ctrl, dlg);
	} else if (ctrl == pfd->direction) {
	    /*
	     * Default is Local.
	     */
	    dlg_radiobutton_set(ctrl, dlg, 0);
	}
    } else if (event == EVENT_ACTION) {
	if (ctrl == pfd->addbutton) {
	    char str[sizeof(cfg->portfwd)];
	    char *p;
	    int whichbutton = dlg_radiobutton_get(pfd->direction, dlg);
	    if (whichbutton == 0)
		str[0] = 'L';
	    else if (whichbutton == 1)
		str[0] = 'R';
	    else
		str[0] = 'D';
	    dlg_editbox_get(pfd->sourcebox, dlg, str+1, sizeof(str) - 2);
	    if (!str[1]) {
		dlg_error_msg(dlg, "You need to specify a source port number");
		return;
	    }
	    p = str + strlen(str);
	    if (str[0] != 'D') {
		*p++ = '\t';
		dlg_editbox_get(pfd->destbox, dlg, p,
				sizeof(str)-1 - (p - str));
		if (!*p || !strchr(p, ':')) {
		    dlg_error_msg(dlg,
				  "You need to specify a destination address\n"
				  "in the form \"host.name:port\"");
		    return;
		}
	    } else
		*p = '\0';
	    p = cfg->portfwd;
	    while (*p) {
		while (*p)
		    p++;
		p++;
	    }
	    if ((p - cfg->portfwd) + strlen(str) + 2 <
		sizeof(cfg->portfwd)) {
		strcpy(p, str);
		p[strlen(str) + 1] = '\0';
		dlg_listbox_add(pfd->listbox, dlg, str);
		dlg_editbox_set(pfd->sourcebox, dlg, "");
		dlg_editbox_set(pfd->destbox, dlg, "");
	    } else {
		dlg_error_msg(dlg, "Too many forwardings");
	    }
	} else if (ctrl == pfd->rembutton) {
	    int i = dlg_listbox_index(pfd->listbox, dlg);
	    if (i < 0)
		dlg_beep(dlg);
	    else {
		char *p, *q;

		dlg_listbox_del(pfd->listbox, dlg, i);
		p = cfg->portfwd;
		while (i > 0) {
		    if (!*p)
			goto disaster2;
		    while (*p)
			p++;
		    p++;
		    i--;
		}
		q = p;
		if (!*p)
		    goto disaster2;
		while (*p)
		    p++;
		p++;
		while (*p) {
		    while (*p)
			*q++ = *p++;
		    *q++ = *p++;
		}
		*q = '\0';
		disaster2:;
	    }
	}
    }
}

void setup_config_box(struct controlbox *b, struct sesslist *sesslist,
		      int midsession, int protocol)
{
    struct controlset *s;
    struct sessionsaver_data *ssd;
    struct charclass_data *ccd;
    struct colour_data *cd;
    struct environ_data *ed;
    struct portfwd_data *pfd;
    union control *c;
    char *str;

    ssd = (struct sessionsaver_data *)
	ctrl_alloc(b, sizeof(struct sessionsaver_data));
    memset(ssd, 0, sizeof(*ssd));
    ssd->sesslist = (midsession ? NULL : sesslist);

    /*
     * The standard panel that appears at the bottom of all panels:
     * Open, Cancel, Apply etc.
     */
    s = ctrl_getset(b, "", "", "");
    ctrl_columns(s, 5, 20, 20, 20, 20, 20);
    ssd->okbutton = ctrl_pushbutton(s,
				    (midsession ? "Apply" : "Open"),
				    (char)(midsession ? 'a' : 'o'),
				    HELPCTX(no_help),
				    sessionsaver_handler, P(ssd));
    ssd->okbutton->button.isdefault = TRUE;
    ssd->okbutton->generic.column = 3;
    ssd->cancelbutton = ctrl_pushbutton(s, "Cancel", 'c', HELPCTX(no_help),
					sessionsaver_handler, P(ssd));
    ssd->cancelbutton->button.iscancel = TRUE;
    ssd->cancelbutton->generic.column = 4;
    /* We carefully don't close the 5-column part, so that platform-
     * specific add-ons can put extra buttons alongside Open and Cancel. */

    /*
     * The Session panel.
     */
    str = dupprintf("Basic options for your %s session", appname);
    ctrl_settitle(b, "Session", str);
    sfree(str);

    if (!midsession) {
	s = ctrl_getset(b, "Session", "hostport",
			"Specify your connection by host name or IP address");
	ctrl_columns(s, 2, 75, 25);
	c = ctrl_editbox(s, "Host Name (or IP address)", 'n', 100,
			 HELPCTX(session_hostname),
			 dlg_stdeditbox_handler, I(offsetof(Config,host)),
			 I(sizeof(((Config *)0)->host)));
	c->generic.column = 0;
	c = ctrl_editbox(s, "Port", 'p', 100, HELPCTX(session_hostname),
			 dlg_stdeditbox_handler,
			 I(offsetof(Config,port)), I(-1));
	c->generic.column = 1;
	ctrl_columns(s, 1, 100);
	if (backends[3].name == NULL) {
	    ctrl_radiobuttons(s, "Protocol:", NO_SHORTCUT, 3,
			      HELPCTX(session_hostname),
			      protocolbuttons_handler, P(c),
			      "Raw", 'r', I(PROT_RAW),
			      "Telnet", 't', I(PROT_TELNET),
			      "Rlogin", 'i', I(PROT_RLOGIN),
			      NULL);
	} else {
	    ctrl_radiobuttons(s, "Protocol:", NO_SHORTCUT, 4,
			      HELPCTX(session_hostname),
			      protocolbuttons_handler, P(c),
			      "Raw", 'r', I(PROT_RAW),
			      "Telnet", 't', I(PROT_TELNET),
			      "Rlogin", 'i', I(PROT_RLOGIN),
			      "SSH", 's', I(PROT_SSH),
			      NULL);
	}

	s = ctrl_getset(b, "Session", "savedsessions",
			"Load, save or delete a stored session");
	ctrl_columns(s, 2, 75, 25);
	ssd->sesslist = sesslist;
	ssd->editbox = ctrl_editbox(s, "Saved Sessions", 'e', 100,
				    HELPCTX(session_saved),
				    sessionsaver_handler, P(ssd), P(NULL));
	ssd->editbox->generic.column = 0;
	/* Reset columns so that the buttons are alongside the list, rather
	 * than alongside that edit box. */
	ctrl_columns(s, 1, 100);
	ctrl_columns(s, 2, 75, 25);
	ssd->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
				    HELPCTX(session_saved),
				    sessionsaver_handler, P(ssd));
	ssd->listbox->generic.column = 0;
	ssd->listbox->listbox.height = 7;