Files
lcdproc/server/menuitem.c
T

1384 lines
36 KiB
C

/*
* menuitem.c
* This file is part of LCDd, the lcdproc server.
*
* This file is released under the GNU General Public License. Refer to the
* COPYING file distributed with this package.
*
* Copyright (c) 1999, William Ferrell, Scott Scriven
* 2002, Joris Robijn
* 2004, F5 Networks, Inc. - IP-address input
* 2005, Peter Marschall - error checks, ...
*
*
* Handles a menuitem and all actions that can be performed on it.
*/
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "shared/report.h"
#include "menuitem.h"
#include "menuscreens.h"
#include "menu.h"
#include "drivers.h"
/* this is needed for verify_ipv4 and verify_ipv6. */
#include "sock.h"
#define MAX_NUMERIC_LEN 40
char *error_strs[] = {"", "Out of range", "Too long", "Too short", "Invalid Address"};
char *menuitemtypenames[] = {"menu", "action", "checkbox", "ring", "slider", "numeric", "alpha", "ip"};
char *menueventtypenames[] = {"select", "update", "plus", "minus", "enter", "leave"};
void menuitem_destroy_action (MenuItem *item);
void menuitem_destroy_checkbox (MenuItem *item);
void menuitem_destroy_ring (MenuItem *item);
void menuitem_destroy_slider (MenuItem *item);
void menuitem_destroy_numeric (MenuItem *item);
void menuitem_destroy_alpha (MenuItem *item);
void menuitem_destroy_ip (MenuItem *item);
void menuitem_reset_numeric (MenuItem *item);
void menuitem_reset_alpha (MenuItem *item);
void menuitem_reset_ip (MenuItem *item);
void menuitem_rebuild_screen_slider (MenuItem *item, Screen *s);
void menuitem_rebuild_screen_numeric (MenuItem *item, Screen *s);
void menuitem_rebuild_screen_alpha (MenuItem *item, Screen *s);
void menuitem_rebuild_screen_ip (MenuItem *item, Screen *s);
void menuitem_update_screen_slider (MenuItem *item, Screen *s);
void menuitem_update_screen_numeric (MenuItem *item, Screen *s);
void menuitem_update_screen_alpha (MenuItem *item, Screen *s);
void menuitem_update_screen_ip (MenuItem *item, Screen *s);
MenuResult menuitem_process_input_slider (MenuItem *item, MenuToken token, char * key, bool extended);
MenuResult menuitem_process_input_numeric (MenuItem *item, MenuToken token, char * key, bool extended);
MenuResult menuitem_process_input_alpha (MenuItem *item, MenuToken token, char * key, bool extended);
MenuResult menuitem_process_input_ip (MenuItem *item, MenuToken token, char * key, bool extended);
/******** FUNCTION TABLES ********/
/* Tables with functions to call for all different item types */
void (*destructor_table[NUM_ITEMTYPES] ) (MenuItem *item) =
{
menu_destroy,
NULL,
NULL,
menuitem_destroy_ring,
menuitem_destroy_slider,
menuitem_destroy_numeric,
menuitem_destroy_alpha,
menuitem_destroy_ip
};
void (*reset_table[NUM_ITEMTYPES] ) (MenuItem *item) =
{
menu_reset,
NULL,
NULL,
NULL,
NULL,
menuitem_reset_numeric,
menuitem_reset_alpha,
menuitem_reset_ip
};
void (*build_screen_table[NUM_ITEMTYPES] ) (MenuItem *item, Screen *s) =
{
menu_build_screen,
NULL,
NULL,
NULL,
menuitem_rebuild_screen_slider,
menuitem_rebuild_screen_numeric,
menuitem_rebuild_screen_alpha,
menuitem_rebuild_screen_ip
};
void (*update_screen_table[NUM_ITEMTYPES] ) (MenuItem *item, Screen *s) =
{
menu_update_screen,
NULL,
NULL,
NULL,
menuitem_update_screen_slider,
menuitem_update_screen_numeric,
menuitem_update_screen_alpha,
menuitem_update_screen_ip
};
MenuResult (*process_input_table[NUM_ITEMTYPES] ) (MenuItem *item, MenuToken token, char *key, bool extended) =
{
menu_process_input,
NULL,
NULL,
NULL,
menuitem_process_input_slider,
menuitem_process_input_numeric,
menuitem_process_input_alpha,
menuitem_process_input_ip
};
/******** METHODS ********/
MenuItem *menuitem_create (MenuItemType type, char *id, MenuEventFunc(*event_func),
char *text)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( type=%d, id=\"%s\", event_func=%p, text=\"%s\" )",
__FUNCTION__, type, id, event_func, text);
if ((id == NULL) || (text == NULL)) {
// report (RPT_ERR, "%s: illegal id or text", __FUNCTION__);
return NULL;
}
/* Allocate space and fill struct */
new_item = malloc (sizeof(MenuItem));
if (!new_item) {
report (RPT_ERR, "%s: Could not allocate memory", __FUNCTION__);
return NULL;
}
new_item->type = type;
new_item->id = strdup (id);
if (!new_item->id) {
report (RPT_ERR, "%s: Could not allocate memory", __FUNCTION__);
free (new_item);
return NULL;
}
new_item->parent = NULL;
new_item->event_func = event_func;
new_item->text = strdup (text);
if (!new_item->text) {
report (RPT_ERR, "%s: Could not allocate memory", __FUNCTION__);
free (new_item->id);
free (new_item);
return NULL;
}
/* Clear the type specific data part */
memset ( &(new_item->data), '\0', sizeof(new_item->data));
return new_item;
}
MenuItem *menuitem_create_action (char *id, MenuEventFunc(*event_func),
char *text, MenuResult menu_result)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=[%s], event_func=%p, text=\"%s\", close_menu=%d )",
__FUNCTION__, id, event_func, text, menu_result);
new_item = menuitem_create (MENUITEM_ACTION, id, event_func, text);
if (new_item != NULL)
new_item->data.action.menu_result = menu_result;
return new_item;
}
MenuItem *menuitem_create_checkbox (char *id, MenuEventFunc(*event_func),
char *text, bool allow_gray, bool value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=[%s], event_func=%p, text=\"%s\", allow_gray=%d, value=%d )",
__FUNCTION__, id, event_func, text, allow_gray, value);
new_item = menuitem_create (MENUITEM_CHECKBOX, id, event_func, text);
if (new_item != NULL) {
new_item->data.checkbox.allow_gray = allow_gray;
new_item->data.checkbox.value = value;
}
return new_item;
}
MenuItem *menuitem_create_ring (char *id, MenuEventFunc(*event_func),
char *text, char *strings, short value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=[%s], event_func=%p, text=\"%s\", strings=\"%s\", value=%d )",
__FUNCTION__, id, event_func, text, strings, value);
new_item = menuitem_create (MENUITEM_RING, id, event_func, text);
if (new_item != NULL) {
new_item->data.ring.strings = tablist2linkedlist (strings);
new_item->data.ring.value = value;
}
return new_item;
}
MenuItem *menuitem_create_slider (char *id, MenuEventFunc(*event_func),
char *text, char *mintext, char *maxtext,
int minvalue, int maxvalue, int stepsize, int value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=[%s], event_func=%p, text=\"%s\", mintext=\"%s\", maxtext=\"%s\", minvalue=%d, maxvalue=%d, stepsize=%d, value=%d )",
__FUNCTION__, id, event_func, text, mintext, maxtext, minvalue, maxvalue, stepsize, value);
new_item = menuitem_create (MENUITEM_SLIDER, id, event_func, text);
if (new_item != NULL) {
new_item->data.slider.mintext = strdup (mintext);
new_item->data.slider.maxtext = strdup (maxtext);
new_item->data.slider.minvalue = minvalue;
new_item->data.slider.maxvalue = maxvalue;
new_item->data.slider.stepsize = stepsize;
new_item->data.slider.value = value;
}
return new_item;
}
MenuItem *menuitem_create_numeric (char *id, MenuEventFunc(*event_func),
char *text, int minvalue, int maxvalue, int value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=[%s], event_func=%p, text=\"%s\", minvalue=%d, maxvalue=%d, value=%d )",
__FUNCTION__, id, event_func, text, minvalue, minvalue, value);
new_item = menuitem_create (MENUITEM_NUMERIC, id, event_func, text);
if (new_item != NULL) {
new_item->data.numeric.maxvalue = maxvalue;
new_item->data.numeric.minvalue = minvalue;
new_item->data.numeric.edit_str = malloc (MAX_NUMERIC_LEN);
new_item->data.numeric.value = value;
}
return new_item;
}
MenuItem *menuitem_create_alpha (char *id, MenuEventFunc(*event_func),
char *text, char password_char, short minlength, short maxlength,
bool allow_caps, bool allow_noncaps, bool allow_numbers,
char *allowed_extra, char *value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=\"%s\", event_func=%p, text=\"%s\", password_char=%d, maxlength=%d, value=\"%s\" )",
__FUNCTION__, id, event_func, text, password_char, maxlength, value);
new_item = menuitem_create (MENUITEM_ALPHA, id, event_func, text);
if (new_item != NULL) {
new_item->data.alpha.password_char = password_char;
new_item->data.alpha.minlength = minlength;
new_item->data.alpha.maxlength = maxlength;
new_item->data.alpha.allow_caps = allow_caps;
new_item->data.alpha.allow_noncaps = allow_noncaps;
new_item->data.alpha.allow_numbers = allow_numbers;
new_item->data.alpha.allowed_extra = strdup (allowed_extra);
new_item->data.alpha.value = malloc (maxlength + 1);
if (new_item->data.alpha.value != NULL) {
strncpy (new_item->data.alpha.value, value, maxlength);
new_item->data.alpha.value[maxlength] = 0;
}
new_item->data.alpha.edit_str = malloc (maxlength + 1);
}
return new_item;
}
MenuItem *menuitem_create_ip (char *id, MenuEventFunc(*event_func),
char *text, bool v6, char *value)
{
MenuItem *new_item;
debug (RPT_DEBUG, "%s( id=\"%s\", event_func=%p, text=\"%s\", v6=%d, value=\"%s\" )",
__FUNCTION__, id, event_func, text, v6, value);
new_item = menuitem_create (MENUITEM_IP, id, event_func, text);
new_item->data.ip.v6 = v6;
if (v6)
new_item->data.ip.maxlength = 39;
else
new_item->data.ip.maxlength = 15;
new_item->data.ip.value = malloc (new_item->data.ip.maxlength + 1);
strncpy (new_item->data.ip.value, value, new_item->data.ip.maxlength);
new_item->data.ip.value[new_item->data.ip.maxlength] = 0;
new_item->data.ip.edit_str = malloc (new_item->data.ip.maxlength + 1);
return new_item;
}
void menuitem_destroy (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
void (*destructor) (MenuItem *);
/* First destroy type specific data */
destructor = destructor_table[item->type];
if (destructor)
destructor (item);
/* Following strings should always be allocated */
free (item->text);
free (item->id);
/* And finally...*/
free (item);
}
}
void menuitem_destroy_ring (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
char * s;
/* deallocate the strings */
for (s = LL_GetFirst(item->data.ring.strings);
s != NULL;
s = LL_GetNext(item->data.ring.strings)) {
free (s);
}
/* and the list */
LL_Destroy (item->data.ring.strings);
}
}
void menuitem_destroy_slider (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
/* These strings should always be allocated */
free (item->data.slider.mintext);
free (item->data.slider.maxtext);
}
}
void menuitem_destroy_numeric (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
/* This string should always be allocated */
free (item->data.numeric.edit_str);
}
}
void menuitem_destroy_alpha (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
/* These strings should always be allocated */
free (item->data.alpha.allowed_extra);
free (item->data.alpha.value);
free (item->data.alpha.edit_str);
}
}
void menuitem_destroy_ip (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
/* These strings should always be allocated */
free (item->data.ip.value);
free (item->data.ip.edit_str);
}
/******** MENU ITEM RESET FUNCTIONS ********/
void menuitem_reset (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
void (*func) (MenuItem *);
/* First destroy type specific data */
func = reset_table[item->type];
if (func)
func (item);
}
}
void menuitem_reset_numeric (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
item->data.numeric.edit_pos = 0;
memset (item->data.numeric.edit_str, '\0', MAX_NUMERIC_LEN);
if (item->data.numeric.minvalue < 0) {
snprintf (item->data.numeric.edit_str, MAX_NUMERIC_LEN,
"%+d", item->data.numeric.value);
} else {
snprintf (item->data.numeric.edit_str, MAX_NUMERIC_LEN,
"%d", item->data.numeric.value);
}
}
}
void menuitem_reset_alpha (MenuItem *item)
{
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if (item != NULL) {
item->data.alpha.edit_pos = 0;
memset (item->data.alpha.edit_str, '\0', item->data.alpha.maxlength+1);
strcpy (item->data.alpha.edit_str, item->data.alpha.value);
}
}
void menuitem_reset_ip (MenuItem *item)
{
char *s;
int count,index,i,j;
debug (RPT_DEBUG, "%s( item=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
item->data.ip.edit_pos = 0;
memset (item->data.ip.edit_str, '\0', item->data.ip.maxlength+1);
// strcpy (item->data.ip.edit_str, item->data.ip.value);
index = 0;
s = item->data.ip.value;
for (j = 0; j < 4; j++) {
count = strcspn (s, ".");
for (i = 3; i > 0; i--) {
if (i == count) {
item->data.ip.edit_str[index++] = *s++;
count--;
} else {
item->data.ip.edit_str[index++] = ' ';
}
}
/* copy period or null */
item->data.ip.edit_str[index++] = *s++;
}
}
/******** MENU SCREEN BUILD FUNCTIONS ********/
void menuitem_rebuild_screen (MenuItem *item, Screen *s)
{
Widget * w;
void (*build_screen) (MenuItem *item, Screen *s);
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if (!display_props) {
/* Nothing to build if no display size is known */
report (RPT_ERR, "%s: display size unknown", __FUNCTION__ );
return;
}
if (s != NULL) {
/* First remove all widgets from the screen */
while ( (w = screen_getfirst_widget(s)) != NULL) {
/* We know these widgets don't have subwidgets, so we can
* easily remove them
*/
screen_remove_widget (s, w);
widget_destroy (w);
}
if (item != NULL) {
/* Call type specific screen building function */
build_screen = build_screen_table [item->type];
if (build_screen) {
build_screen (item, s);
} else {
report (RPT_ERR, "%s: given menuitem cannot be active", __FUNCTION__);
return;
}
/* Also always call update_screen */
menuitem_update_screen (item, s);
}
}
}
void menuitem_rebuild_screen_slider (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
if (display_props->height >= 2 ) {
/* Only add a title if enough space... */
w = widget_create ("text", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup(item->text);
w->x = 1;
w->y = 1;
}
w = widget_create ("bar", WID_HBAR, s);
screen_add_widget (s, w);
w->width = display_props->width;
if (display_props->height > 2 ) {
/* This is option 1: we have enought space, so the bar and
* min/max texts can be on separate lines.
*/
w->x = 2;
w->y = display_props->height / 2 + 1;
w->length = display_props->width - 2;
}
w = widget_create ("min", WID_STRING, s);
screen_add_widget (s, w);
w->text = NULL;
w->x = 1;
if (display_props->height > 2 ) {
w->y = display_props->height / 2 + 2;
} else {
w->y = display_props->height / 2 + 1;
}
w = widget_create ("max", WID_STRING, s);
screen_add_widget (s, w);
w->text = NULL;
w->x = 1;
if (display_props->height > 2 ) {
w->y = display_props->height / 2 + 2;
} else {
w->y = display_props->height / 2 + 1;
}
}
void menuitem_rebuild_screen_numeric (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
if (display_props->height >= 2 ) {
/* Only add a title if enough space... */
w = widget_create ("text", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup(item->text);
w->x = 1;
w->y = 1;
}
w = widget_create ("value", WID_STRING, s);
screen_add_widget (s, w);
w->text = malloc (MAX_NUMERIC_LEN);
w->x = 2;
w->y = display_props->height / 2 + 1;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = widget_create ("error", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup("");
w->x = 1;
w->y = display_props->height;
}
}
void menuitem_rebuild_screen_alpha (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
if (display_props->height >= 2 ) {
/* Only add a title if enough space... */
w = widget_create ("text", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup(item->text);
w->x = 1;
w->y = 1;
}
w = widget_create ("value", WID_STRING, s);
screen_add_widget (s, w);
w->text = malloc (item->data.alpha.maxlength+1);
w->x = 2;
w->y = display_props->height / 2 + 1;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = widget_create ("error", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup("");
w->x = 1;
w->y = display_props->height;
}
}
void menuitem_rebuild_screen_ip (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
if (display_props->height >= 2 ) {
/* Only add a title if enough space... */
w = widget_create ("text", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup(item->text);
w->x = 1;
w->y = 1;
}
w = widget_create ("value", WID_STRING, s);
screen_add_widget (s, w);
w->text = malloc (item->data.ip.maxlength+1);
w->x = 2;
w->y = display_props->height / 2 + 1;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = widget_create ("error", WID_STRING, s);
screen_add_widget (s, w);
w->text = strdup("");
w->x = 1;
w->y = display_props->height;
}
}
/******** MENU SCREEN UPDATE FUNCTIONS ********/
void menuitem_update_screen (MenuItem *item, Screen *s)
{
void (*update_screen) (MenuItem *item, Screen *s);
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
/* Disable the cursor by default */
s->cursor = CURSOR_OFF;
/* Call type specific screen building function */
update_screen = update_screen_table [item->type];
if (update_screen) {
update_screen (item, s);
} else {
report (RPT_ERR, "%s: given menuitem cannot be active", __FUNCTION__);
return;
}
}
void menuitem_update_screen_slider (MenuItem *item, Screen *s)
{
Widget * w;
int min_len, max_len;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
/* Calculate the bar position and length by filling buffers */
min_len = strlen (item->data.slider.mintext);
max_len = strlen (item->data.slider.maxtext);
/* And adjust the data */
w = screen_find_widget (s, "bar");
if (display_props->height <= 2 ) {
/* This is option 2: we're tight on lines, so we put the bar
* and min/max texts on the same line.
*/
w->x = 1 + min_len;
w->y = display_props->height;
w->width = display_props->width -
min_len - max_len;
}
/* FUTURE: w->promille = 1000 * (item->data.slider.value - item->data.slider.minvalue) / (item->data.slider.maxvalue - item->data.slider.minvalue) */;
w->length = w->width * display_props->cellwidth
* (item->data.slider.value - item->data.slider.minvalue)
/ (item->data.slider.maxvalue - item->data.slider.minvalue);
w = screen_find_widget (s, "min");
if (w->text) free (w->text);
w->text = strdup(item->data.slider.mintext);
w = screen_find_widget (s, "max");
if (w->text) free (w->text);
w->x = 1 + display_props->width - max_len;
w->text = strdup(item->data.slider.maxtext);
}
void menuitem_update_screen_numeric (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
w = screen_find_widget (s, "value");
strcpy (w->text, item->data.numeric.edit_str);
s->cursor = CURSOR_DEFAULT_ON;
s->cursor_x = w->x + item->data.numeric.edit_pos;
s->cursor_y = w->y;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = screen_find_widget (s, "error");
free (w->text);
w->text = strdup (error_strs[item->data.numeric.error_code]);
}
}
void menuitem_update_screen_alpha (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
w = screen_find_widget (s, "value");
if (item->data.alpha.password_char == '\0') {
strcpy (w->text, item->data.alpha.edit_str);
} else {
memset (w->text, item->data.alpha.password_char, strlen (item->data.alpha.edit_str));
w->text[ strlen (item->data.alpha.edit_str) ] = '\0';
}
s->cursor = CURSOR_DEFAULT_ON;
s->cursor_x = w->x + item->data.alpha.edit_pos;
s->cursor_y = w->y;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = screen_find_widget (s, "error");
free (w->text);
w->text = strdup (error_strs[item->data.alpha.error_code]);
}
}
void menuitem_update_screen_ip (MenuItem *item, Screen *s)
{
Widget * w;
debug (RPT_DEBUG, "%s( item=[%s], screen=[%s] )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"),
((s != NULL) ? s->id : "(null)"));
if ((item == NULL) || (s == NULL))
return;
w = screen_find_widget (s, "value");
if (w != NULL)
strcpy (w->text, item->data.ip.edit_str);
s->cursor = CURSOR_DEFAULT_ON;
s->cursor_x = w->x + item->data.ip.edit_pos;
s->cursor_y = w->y;
/* Only display error string if enough space... */
if (display_props->height > 2 ) {
w = screen_find_widget (s, "error");
free (w->text);
w->text = strdup (error_strs[item->data.ip.error_code]);
}
}
/******** MENU SCREEN INPUT HANDLING FUNCTIONS ********/
MenuResult menuitem_process_input (MenuItem *item, MenuToken token, char * key, bool extended)
{
MenuResult (*process_input) (MenuItem *item, MenuToken token, char * key, bool extended);
debug (RPT_DEBUG, "%s( item=[%s], token=%d, key=\"%s\" )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), token, key);
if (item == NULL)
return MENURESULT_ERROR;
/* Call type specific screen building function */
process_input = process_input_table [item->type];
if (process_input ) {
return process_input (item, token, key, extended);
} else {
report (RPT_ERR, "%s: given menuitem cannot be active", __FUNCTION__);
return MENURESULT_ERROR;
}
}
MenuResult menuitem_process_input_slider (MenuItem *item, MenuToken token, char * key, bool extended)
{
debug (RPT_DEBUG, "%s( item=[%s], token=%d, key=\"%s\" )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), token, key);
if (item == NULL)
return MENURESULT_ERROR;
switch (token) {
case MENUTOKEN_MENU:
case MENUTOKEN_ENTER:
return MENURESULT_CLOSE;
case MENUTOKEN_UP:
case MENUTOKEN_RIGHT:
item->data.slider.value = min (item->data.slider.maxvalue,
item->data.slider.value + item->data.slider.stepsize);
if (item->event_func)
item->event_func (item, MENUEVENT_PLUS);
return MENURESULT_NONE;
case MENUTOKEN_DOWN:
case MENUTOKEN_LEFT:
item->data.slider.value = max (item->data.slider.minvalue,
item->data.slider.value - item->data.slider.stepsize);
if (item->event_func)
item->event_func (item, MENUEVENT_MINUS);
return MENURESULT_NONE;
case MENUTOKEN_OTHER:
default:
break;
}
return MENURESULT_ERROR;
}
MenuResult menuitem_process_input_numeric (MenuItem *item, MenuToken token, char * key, bool extended)
{
char buf1[MAX_NUMERIC_LEN];
char buf2[MAX_NUMERIC_LEN];
int max_len;
debug (RPT_DEBUG, "%s( item=[%s], token=%d, key=\"%s\" )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), token, key);
if (item != NULL) {
/* To make life easy... */
char *str = item->data.numeric.edit_str;
int pos = item->data.numeric.edit_pos;
int allow_signed = (item->data.numeric.minvalue < 0);
char *format_str = (allow_signed) ? "%+d" : "%d";
snprintf (buf1, MAX_NUMERIC_LEN, format_str, item->data.numeric.minvalue);
snprintf (buf2, MAX_NUMERIC_LEN, format_str, item->data.numeric.maxvalue);
max_len = max (strlen(buf1), strlen(buf2));
/* Clear the error */
item->data.numeric.error_code = 0;
switch (token) {
case MENUTOKEN_MENU:
if (pos == 0) {
return MENURESULT_CLOSE;
}
else {
/* Reset data */
item->data.numeric.edit_pos = 0;
memset (str, '\0', MAX_NUMERIC_LEN);
snprintf (str, MAX_NUMERIC_LEN, format_str, item->data.numeric.value);
}
return MENURESULT_NONE;
case MENUTOKEN_ENTER:
if ((extended) || (str[pos] == '\0')) {
int value;
/* The user completed his input */
/* ...scan it */
if (sscanf (str, "%d", &value) != 1) {
return MENURESULT_ERROR;
}
/* Test the value */
if (value < item->data.numeric.minvalue
|| value > item->data.numeric.maxvalue) {
/* Out of range !
* We can't exit this screen now
*/
item->data.numeric.error_code = 1;
item->data.numeric.edit_pos = 0;
return MENURESULT_NONE;
}
/* OK, store value */
item->data.numeric.value = value;
/* Inform client */
if (item->event_func)
item->event_func (item, MENUEVENT_UPDATE);
return MENURESULT_CLOSE;
}
else {
/* The user wants to go to next digit */
if (pos < max_len) {
item->data.numeric.edit_pos ++;
}
}
return MENURESULT_NONE;
case MENUTOKEN_UP:
if (pos >= max_len) {
/* We're not allowed to add anything anymore */
item->data.numeric.error_code = 2;
item->data.numeric.edit_pos = 0;
return MENURESULT_NONE;
}
if (allow_signed && pos == 0) {
/* make negative */
str[0] = (str[0] == '-') ? '+' : '-';
}
else {
if (str[pos] >= '0' && str[pos] < '9') {
str[pos] ++;
} else if (str[pos] == '9') {
str[pos] = '\0';
} else if (str[pos] == '\0') {
str[pos] = '0';
}
}
return MENURESULT_NONE;
case MENUTOKEN_DOWN:
if (pos >= max_len) {
/* We're not allowed to add anything anymore */
item->data.numeric.error_code = 2;
item->data.numeric.edit_pos = 0;
return MENURESULT_NONE;
}
if (allow_signed && pos == 0) {
/* make negative */
str[0] = (str[0] == '-') ? '+' : '-';
}
else {
if (str[pos] > '0' && str[pos] <= '9') {
str[pos] --;
} else if (str[pos] == '0') {
str[pos] = '\0';
} else if (str[pos] == '\0') {
str[pos] = '9';
}
}
return MENURESULT_NONE;
case MENUTOKEN_RIGHT:
/* The user wants to go to next digit */
if (str[pos] != '\0' && pos < max_len) {
item->data.numeric.edit_pos ++;
}
return MENURESULT_NONE;
case MENUTOKEN_LEFT:
/* The user wants to go to back a digit */
if (pos > 0) {
item->data.numeric.edit_pos --;
}
return MENURESULT_NONE;
case MENUTOKEN_OTHER:
if (pos >= max_len) {
/* We're not allowed to add anything anymore */
item->data.numeric.error_code = 2;
item->data.numeric.edit_pos = 0;
return MENURESULT_NONE;
}
/* process numeric keys */
if ( strlen(key) == 1 && key[0] >= '0' && key[0] <= '9') {
str[pos] = key[0];
item->data.numeric.edit_pos ++;
}
return MENURESULT_NONE;
}
}
return MENURESULT_ERROR;
}
MenuResult menuitem_process_input_alpha (MenuItem *item, MenuToken token, char * key, bool extended)
{
char * p;
static char * chars = NULL;
debug (RPT_DEBUG, "%s( item=[%s], token=%d, key=\"%s\" )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), token, key);
if (item != NULL) {
/* To make life easy... */
char *str = item->data.alpha.edit_str;
int pos = item->data.alpha.edit_pos;
/* Create list of allowed chars */
chars = realloc (chars, 26 + 26 + 10 + strlen(item->data.alpha.allowed_extra) + 1);
chars[0] = 0; /* clear string */
if (item->data.alpha.allow_caps)
strcat (chars, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
if (item->data.alpha.allow_noncaps)
strcat (chars, "abcdefghijklmnopqrstuvwxyz");
if (item->data.alpha.allow_numbers)
strcat (chars, "0123456789");
strcat (chars, item->data.alpha.allowed_extra);
/* Clear the error */
item->data.alpha.error_code = 0;
switch (token) {
case MENUTOKEN_MENU:
if (pos == 0) {
return MENURESULT_CLOSE;
}
else {
/* Reset data */
item->data.alpha.edit_pos = 0;
memset (str, '\0', item->data.alpha.maxlength+1);
strcpy (str, item->data.alpha.value);
}
return MENURESULT_NONE;
case MENUTOKEN_ENTER:
if ((extended) || (str[item->data.alpha.edit_pos] == '\0')) {
/* The user completed his input */
/* It's not too short ? */
if (strlen (item->data.alpha.edit_str) < item->data.alpha.minlength) {
item->data.alpha.error_code = 3;
return MENURESULT_NONE;
}
/* Store value */
strcpy (item->data.alpha.value, item->data.alpha.edit_str);
/* Inform client */
if (item->event_func)
item->event_func (item, MENUEVENT_UPDATE);
return MENURESULT_CLOSE;
}
else {
/* The user wants to go to next digit */
if (pos < item->data.alpha.maxlength) {
item->data.alpha.edit_pos ++;
}
}
return MENURESULT_NONE;
case MENUTOKEN_UP:
if (pos >= item->data.alpha.maxlength) {
/* We're not allowed to add anything anymore */
item->data.alpha.error_code = 2;
item->data.alpha.edit_pos = 0;
return MENURESULT_NONE;
}
if (str[pos] == '\0') {
/* User goes past EOL */
str[pos] = chars[0];
} else {
/* We should have a symbol from our list */
p = strchr (chars, str[pos]);
if (p != NULL) {
str[pos] = * (++p); /* next symbol on list */
/* Might be '\0' now */
} else {
str[pos] = '\0';
}
}
return MENURESULT_NONE;
case MENUTOKEN_DOWN:
if (pos >= item->data.alpha.maxlength) {
/* We're not allowed to add anything anymore */
item->data.alpha.error_code = 2;
item->data.alpha.edit_pos = 0;
return MENURESULT_NONE;
}
if (str[pos] == '\0') {
/* User goes past EOL */
str[pos] = chars[strlen(chars)-1];
} else {
/* We should have a symbol from our list */
p = strchr (chars, str[pos]);
if ((p != NULL) && (p != chars)) {
str[pos] = * (--p); /* previous symbol on list */
} else {
str[pos] = '\0';
}
}
return MENURESULT_NONE;
case MENUTOKEN_RIGHT:
/* The user wants to go to next digit */
if (str[item->data.alpha.edit_pos] != '\0' &&
pos < item->data.alpha.maxlength - 1) {
item->data.alpha.edit_pos ++;
}
return MENURESULT_NONE;
case MENUTOKEN_LEFT:
/* The user wants to go to back a digit */
if (pos > 0)
item->data.alpha.edit_pos --;
return MENURESULT_NONE;
case MENUTOKEN_OTHER:
if (pos >= item->data.alpha.maxlength) {
/* We're not allowed to add anything anymore */
item->data.alpha.error_code = 2;
item->data.alpha.edit_pos = 0;
return MENURESULT_NONE;
}
/* proces other keys */
if ( strlen(key) == 1 && key[0] >= ' ' && key[0] <= 'Z') {
str[pos] = key[0];
item->data.alpha.edit_pos ++;
}
return MENURESULT_NONE;
}
}
return MENURESULT_ERROR;
}
typedef struct valueProperties {
int start; /* index of first digit of this number */
int place; /* is this the 1s, 10s or 100s digit */
} tValueProperties;
MenuResult menuitem_process_input_ip (MenuItem *item, MenuToken token, char * key, bool extended)
{
char * p;
tValueProperties valueProperties[] = {
{0, 100 },
{0, 10 },
{0, 1 },
{0, 0 },
{4, 100 },
{4, 10 },
{4, 1 },
{0, 0 },
{8, 100 },
{8, 10 },
{8, 1 },
{0, 0 },
{12, 100 },
{12, 10 },
{12, 1 },
};
/* To make life easy... */
char *str = item->data.ip.edit_str;
char numstr[4];
int num;
int pos = item->data.ip.edit_pos;
debug (RPT_DEBUG, "%s( item=[%s], token=%d, key=\"%s\" )", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), token, key);
/* Clear the error */
item->data.ip.error_code = 0;
switch (token) {
case MENUTOKEN_MENU:
if (pos == 0) {
return MENURESULT_CLOSE;
}
else {
/* Reset data */
menuitem_reset_ip(item);
// item->data.ip.edit_pos = 0;
// memset (str, '\0', item->data.ip.maxlength+1);
// strcpy (str, item->data.ip.value);
}
return MENURESULT_NONE;
case MENUTOKEN_ENTER:
/* remove the spaces */
p = str;
while (*p) {
if (*p == ' ') {
memccpy(p, p+1, '\0', item->data.ip.maxlength + 1);
} else {
p++;
}
}
if (item->data.ip.v6) {
if (verify_ipv6(item->data.ip.edit_str)) {
item->data.ip.error_code = 4;
return MENURESULT_NONE;
}
} else {
if (verify_ipv4(item->data.ip.edit_str)) {
item->data.ip.error_code = 4;
return MENURESULT_NONE;
}
}
/* Store value */
strcpy (item->data.ip.value, item->data.ip.edit_str);
/* Inform client */
if (item->event_func)
item->event_func (item, MENUEVENT_UPDATE);
return MENURESULT_CLOSE;
case MENUTOKEN_UP:
num = atoi(&str[(valueProperties[pos].start)]);
num += valueProperties[pos].place;
if (num <= 255) {
sprintf(numstr,"%3d", num);
memcpy(&str[valueProperties[pos].start], numstr, 3);
}
return MENURESULT_NONE;
case MENUTOKEN_DOWN:
num = atoi(&str[valueProperties[pos].start]);
num -= valueProperties[pos].place;
if (num >= 0) {
sprintf(numstr,"%3d", num);
memcpy(&str[valueProperties[pos].start], numstr, 3);
}
return MENURESULT_NONE;
case MENUTOKEN_RIGHT:
if (pos < item->data.ip.maxlength - 1) {
item->data.ip.edit_pos ++;
if (str[item->data.ip.edit_pos] == '.')
item->data.ip.edit_pos ++;
}
return MENURESULT_NONE;
case MENUTOKEN_LEFT:
/* The user wants to go to back a digit */
if (pos > 0) {
item->data.ip.edit_pos --;
if (str[item->data.ip.edit_pos] == '.')
item->data.ip.edit_pos --;
}
return MENURESULT_NONE;
case MENUTOKEN_OTHER:
return MENURESULT_NONE;
}
return MENURESULT_ERROR;
}
/**
* get the Client that owns item. extracted from menu_commands_handler().
*/
Client * menuitem_get_client(MenuItem * item)
{
MenuItem * i;
/* not fool prove... */
assert(item != NULL);
for (i = item; i && i->parent != main_menu; i = i->parent)
;
return (Client *) i->data.menu.association;
}
LinkedList * tablist2linkedlist (char *strings)
{
LinkedList * list;
list = LL_new();
/* Parse strings */
if (strings != NULL) {
char *p = strings;
char *tabptr, *new_s;
while ((tabptr = strchr(p, '\t')) != NULL) {
int len = (int)(tabptr - p);
/* Alloc and copy substring */
new_s = malloc (len + 1);
strncpy (new_s, p, len);
new_s[len] = 0;
LL_Push (list, new_s);
/* Go to next string */
p = tabptr + 1;
}
/* Add last string */
new_s = strdup (p);
LL_Push (list, new_s);
}
return list;
}
MenuItemType menuitem_typename_to_type (char *name)
{
if (name != NULL) {
MenuItemType type;
for (type = 0; type < NUM_ITEMTYPES; type ++) {
if (strcmp (menuitemtypenames[type], name) == 0) {
return type;
}
}
}
return -1;
}
char *menuitem_type_to_typename (MenuItemType type)
{
return ((type >= 0 && type < NUM_ITEMTYPES)
? menuitemtypenames[type]
: NULL);
}
MenuEventType menuitem_eventtypename_to_eventtype (char *name)
{
if (name != NULL) {
MenuEventType type;
for (type = 0; type < NUM_EVENTTYPES; type ++) {
if (strcmp (menueventtypenames[type], name) == 0) {
return type;
}
}
}
return -1;
}
char *menuitem_eventtype_to_eventtypename (MenuEventType type)
{
return ((type >= 0 && type < NUM_EVENTTYPES)
? menueventtypenames[type]
: NULL);
}