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lcdproc/server/menuscreens.c
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/** \file server/menuscreens.c
* Creates the server menu screen(s) and creates the menus that should be
* displayed on this screen.
* It also handles its keypresses and converts them to menu tokens for
* easier processing.
*
* \note
* menuscreens.c does not know whether a menuitem is displayed INSIDE
* a menu or on a separate SCREEN, for flexibility.
*/
/* 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, ...
*/
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include "screen.h"
#include "screenlist.h"
#include "menuscreens.h"
#include "shared/configfile.h"
#include "shared/report.h"
#include "input.h"
#include "driver.h"
#include "drivers.h"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Next include files are needed for settings that we can modify */
#include "render.h"
char *menu_key;
char *enter_key;
char *up_key;
char *down_key;
char *left_key;
char *right_key;
static unsigned int keymask; /* mask of defined menu keys */
Screen *menuscreen = NULL;
MenuItem *active_menuitem = NULL;
/** the "real" main_menu */
Menu *main_menu = NULL;
/** customizable entry point into the menu system (see menu_set_main()). */
Menu *custom_main_menu = NULL;
Menu *screens_menu = NULL;
/* Local prototypes */
static void handle_quit(void);
static void handle_close(void);
static void handle_none(void);
static void handle_enter(void);
static void handle_successor(void);
void menuscreen_switch_item(MenuItem *new_menuitem);
void menuscreen_create_menu(void);
#ifdef LCDPROC_TESTMENUS
void menuscreen_create_testmenu(void);
#endif
Menu *menuscreen_get_main(void);
MenuEventFunc(heartbeat_handler);
MenuEventFunc(backlight_handler);
MenuEventFunc(titlespeed_handler);
MenuEventFunc(contrast_handler);
MenuEventFunc(brightness_handler);
int menuscreens_init(void)
{
const char *tmp;
debug(RPT_DEBUG, "%s()", __FUNCTION__);
/* Get keys from config file: MenuKey, EnterKey, UpKey, DownKey, LeftKey, RightKey.
* For a working menu at least 3 are necessary: MenuKey, EnterKey, UpKey/DownKey.
*/
keymask = 0;
menu_key = enter_key = NULL;
tmp = config_get_string("menu", "MenuKey", 0, NULL);
if (tmp != NULL) {
menu_key = strdup(tmp);
keymask |= MENUTOKEN_MENU;
}
tmp = config_get_string("menu", "EnterKey", 0, NULL);
if (tmp != NULL) {
enter_key = strdup(tmp);
keymask |= MENUTOKEN_ENTER;
}
up_key = down_key = NULL;
tmp = config_get_string("menu", "UpKey", 0, NULL);
if (tmp != NULL) {
up_key = strdup(tmp);
keymask |= MENUTOKEN_UP;
}
tmp = config_get_string("menu", "DownKey", 0, NULL);
if (tmp != NULL) {
down_key = strdup(tmp);
keymask |= MENUTOKEN_DOWN;
}
left_key = right_key = NULL;
tmp = config_get_string("menu", "LeftKey", 0, NULL);
if (tmp != NULL) {
left_key = strdup(tmp);
keymask |= MENUTOKEN_LEFT;
}
tmp = config_get_string("menu", "RightKey", 0, NULL);
if (tmp != NULL) {
right_key = strdup(tmp);
keymask |= MENUTOKEN_RIGHT;
}
/* Now reserve the keys that were defined */
if (menu_key != NULL)
input_reserve_key(menu_key, true, NULL);
if (enter_key != NULL)
input_reserve_key(enter_key, false, NULL);
if (up_key != NULL)
input_reserve_key(up_key, false, NULL);
if (down_key != NULL)
input_reserve_key(down_key, false, NULL);
if (left_key != NULL)
input_reserve_key(left_key, false, NULL);
if (right_key != NULL)
input_reserve_key(right_key, false, NULL);
/* Create screen */
menuscreen = screen_create("_menu_screen", NULL);
if (menuscreen != NULL)
menuscreen->priority = PRI_HIDDEN;
active_menuitem = NULL;
screenlist_add(menuscreen);
/* Build menu */
menuscreen_create_menu();
return 0;
}
int menuscreens_shutdown(void)
{
debug(RPT_DEBUG, "%s()", __FUNCTION__);
/* Program shutdown before completed startup */
if (!menuscreen)
return -1;
/* Quit menu just to make sure */
menuscreen_switch_item(NULL);
/* Destroy the menuscreen */
screenlist_remove(menuscreen);
screen_destroy(menuscreen);
menuscreen = NULL;
/* Destroy all menus */
menuitem_destroy(main_menu);
main_menu = NULL;
custom_main_menu = NULL;
screens_menu = NULL;
/* Forget menu's key reservations */
input_release_client_keys(NULL);
if (menu_key != NULL)
free(menu_key);
if (enter_key != NULL)
free(enter_key);
if (up_key != NULL)
free(up_key);
if (down_key != NULL)
free(down_key);
if (left_key != NULL)
free(left_key);
if (right_key != NULL)
free(right_key);
keymask = 0;
return 0;
}
void menuscreen_inform_item_destruction(MenuItem *item)
{
MenuItem *i;
debug(RPT_DEBUG, "%s(item=[%s])", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
/* Are we currently in (a subitem of) the given item ? */
for (i = active_menuitem; i != NULL; i = i->parent) {
if (i == item) {
menuscreen_switch_item(item->parent);
}
}
}
void menuscreen_inform_item_modified(MenuItem *item)
{
debug(RPT_DEBUG, "%s(item=[%s])", __FUNCTION__,
((item != NULL) ? item->id : "(null)"));
if ((active_menuitem == NULL) || (item == NULL))
return;
/* Are we currently in the item or the parent of the item ? */
if (active_menuitem == item || active_menuitem == item->parent) {
menuitem_rebuild_screen(active_menuitem, menuscreen);
}
}
bool is_menu_key(const char *key)
{
if ((menu_key != NULL) && (key != NULL) && (strcmp(key, menu_key) == 0))
return true;
else
return false;
}
/** This function changes the menuitem to the given one, and does necesary
* actions.
* To leave the menu system, specify NULL for new_menuitem.
* The item will not be reset when the new item is a child of the last one.
*/
void menuscreen_switch_item(MenuItem *new_menuitem)
{
MenuItem *old_menuitem = active_menuitem;
debug(RPT_DEBUG, "%s(item=[%s]) from active_menuitem=[%s]", __FUNCTION__,
((new_menuitem != NULL) ? new_menuitem->id : "(null)"),
((old_menuitem != NULL) ? old_menuitem->id : "(null)"));
/* First we do the switch */
active_menuitem = new_menuitem;
/* What was the state change ? */
if (!old_menuitem && !new_menuitem) {
/* Nothing to be done */
} else if (old_menuitem && !new_menuitem) {
/* leave menu system */
menuscreen->priority = PRI_HIDDEN;
} else if (!old_menuitem && new_menuitem) {
/* Menu is becoming active */
menuitem_reset(active_menuitem);
menuitem_rebuild_screen(active_menuitem, menuscreen);
menuscreen->priority = PRI_INPUT;
} else {
/* We're left with the usual case: a menu level switch */
if (old_menuitem->parent != new_menuitem) {
menuitem_reset(new_menuitem);
}
menuitem_rebuild_screen(active_menuitem, menuscreen);
}
if (old_menuitem && old_menuitem->event_func)
old_menuitem->event_func(old_menuitem, MENUEVENT_LEAVE);
if (new_menuitem && new_menuitem->event_func)
new_menuitem->event_func(new_menuitem, MENUEVENT_ENTER);
return;
}
static void handle_quit(void)
{
debug(RPT_DEBUG, "%s: Closing menu screen", __FUNCTION__);
menuscreen_switch_item(NULL);
}
static void handle_close(void)
{
debug(RPT_DEBUG, "%s: Closing item", __FUNCTION__);
menuscreen_switch_item(
(active_menuitem == menuscreen_get_main())
? NULL
: active_menuitem->parent);
}
static void handle_none(void)
{
debug(RPT_DEBUG, "%s: Staying in item", __FUNCTION__);
if (active_menuitem)
{
menuitem_update_screen(active_menuitem, menuscreen);
/* No rebuild needed, only value can be changed */
}
/* Nothing extra to be done */
}
/** Enter the selected menuitem
* Note: this is not for checkboxes etc that don't have their
* own screen. The menuitem_process_input function should do
* things like toggling checkboxes !
*/
static void handle_enter(void)
{
debug(RPT_DEBUG, "%s: Entering subitem", __FUNCTION__);
menuscreen_switch_item(menu_get_current_item(active_menuitem));
}
static void handle_predecessor(void)
{
MenuItem* predecessor;
MenuItem* item = (active_menuitem->type == MENUITEM_MENU)
? menu_get_item_for_predecessor_check(active_menuitem)
: active_menuitem;
assert(item != NULL);
debug(RPT_DEBUG, "%s: Switching to registered predecessor '%s' of '%s'.",
__FUNCTION__, item->predecessor_id, item->id);
predecessor = menuitem_search(item->predecessor_id,
(Client *) active_menuitem->client);
if (predecessor == NULL) {
// note: if _quit_, _close_, _none_ get here this
// would be an implementation error - they should
// have been handled via different MENURESULT codes.
report(RPT_ERR, "%s: cannot find predecessor '%s' of '%s'.",
__FUNCTION__, item->predecessor_id, item->id);
return;
}
switch (predecessor->type) {
case MENUITEM_ACTION:
case MENUITEM_CHECKBOX:
case MENUITEM_RING:
if (active_menuitem != predecessor->parent)
menuscreen_switch_item(predecessor->parent);
// this won't work for hidden subitems
menu_select_subitem(active_menuitem, item->predecessor_id);
menuitem_update_screen(active_menuitem, menuscreen);
break;
default:
if ((predecessor->parent != NULL) &&
(predecessor->parent->type == MENUITEM_MENU)) {
// update parent menu too
menu_select_subitem(predecessor->parent, predecessor->id);
}
menuscreen_switch_item(predecessor);
break;
}
}
static void handle_successor(void)
{
MenuItem *successor;
MenuItem* item = (active_menuitem->type == MENUITEM_MENU)
? menu_get_item_for_successor_check(active_menuitem)
: active_menuitem;
assert(item != NULL);
debug(RPT_DEBUG, "%s: Switching to registered successor '%s' of '%s'.",
__FUNCTION__, item->successor_id, item->id);
successor = menuitem_search(item->successor_id,
(Client *) active_menuitem->client);
if (successor == NULL) {
// note: if _quit_, _close_, _none_ get here this
// would be an implementation error - they should
// have been handled via different MENURESULT codes.
report(RPT_ERR, "%s: cannot find successor '%s' of '%s'.",
__FUNCTION__, item->successor_id, item->id);
return;
}
switch (successor->type) {
case MENUITEM_ACTION:
case MENUITEM_CHECKBOX:
case MENUITEM_RING:
if (active_menuitem != successor->parent)
menuscreen_switch_item(successor->parent);
// this won't work for hidden subitems
menu_select_subitem(active_menuitem, item->successor_id);
menuitem_update_screen(active_menuitem, menuscreen);
break;
default:
if ((successor->parent != NULL) &&
(successor->parent->type == MENUITEM_MENU)) {
// update parent menu too
menu_select_subitem(successor->parent, successor->id);
}
menuscreen_switch_item(successor);
break;
}
}
void menuscreen_key_handler(const char *key)
{
MenuToken token = MENUTOKEN_NONE;
MenuResult res;
debug(RPT_DEBUG, "%s(\"%s\")", __FUNCTION__, key);
if ((menu_key != NULL) && (strcmp(key, menu_key) == 0)) {
token = MENUTOKEN_MENU;
}
else if ((enter_key != NULL) && (strcmp(key, enter_key) == 0)) {
token = MENUTOKEN_ENTER;
}
else if ((up_key != NULL) && (strcmp(key, up_key) == 0)) {
token = MENUTOKEN_UP;
}
else if ((down_key != NULL) && (strcmp(key, down_key) == 0)) {
token = MENUTOKEN_DOWN;
}
else if ((left_key != NULL) && (strcmp(key, left_key) == 0)) {
token = MENUTOKEN_LEFT;
}
else if ((right_key != NULL) && (strcmp(key, right_key) == 0)) {
token = MENUTOKEN_RIGHT;
}
else {
token = MENUTOKEN_OTHER;
}
/* Is the menu already active ? */
if (!active_menuitem) {
debug(RPT_DEBUG, "%s: Activating menu screen", __FUNCTION__);
menuscreen_switch_item(menuscreen_get_main());
return;
}
res = menuitem_process_input(active_menuitem, token, key, keymask);
switch (res) {
case MENURESULT_ERROR:
report(RPT_ERR, "%s: Error from menuitem_process_input", __FUNCTION__);
break;
case MENURESULT_NONE:
handle_none();
break;
case MENURESULT_ENTER:
handle_enter();
break;
case MENURESULT_CLOSE:
handle_close();
break;
case MENURESULT_QUIT:
handle_quit();
break;
case MENURESULT_PREDECESSOR:
handle_predecessor();
break;
case MENURESULT_SUCCESSOR:
handle_successor();
break;
default:
assert(!"unexpected menuresult");
break;
}
}
void menuscreen_create_menu(void)
{
Menu *options_menu;
Menu *driver_menu;
MenuItem *checkbox;
MenuItem *slider;
Driver *driver;
debug(RPT_DEBUG, "%s()", __FUNCTION__);
main_menu = menu_create("mainmenu", NULL, "LCDproc Menu", NULL);
if (main_menu == NULL) {
report(RPT_ERR, "%s: Cannot create main menu", __FUNCTION__);
return;
}
options_menu = menu_create("options", NULL, "Options", NULL);
if (options_menu == NULL) {
report(RPT_ERR, "%s: Cannot create options menu", __FUNCTION__);
return;
}
menu_add_item(main_menu, options_menu);
#ifdef LCDPROC_TESTMENUS
/* TODO:
* Menu items in the screens menu currently have no functions assigned.
* Thefore only enable the menu for testing. If functions are available,
* this code should be outside the #ifdef.
*/
screens_menu = menu_create("screens", NULL, "Screens", NULL);
if (screens_menu == NULL) {
report(RPT_ERR, "%s: Cannot create screens menu", __FUNCTION__);
return;
}
menu_add_item(main_menu, screens_menu);
menuscreen_create_testmenu();
#endif
/* add option menu contents:
* menu's client is NULL since we're in the server */
checkbox = menuitem_create_checkbox("heartbeat", heartbeat_handler, "Heartbeat", NULL, true, heartbeat);
menu_add_item(options_menu, checkbox);
checkbox = menuitem_create_checkbox("backlight", backlight_handler, "Backlight", NULL, true, backlight);
menu_add_item(options_menu, checkbox);
slider = menuitem_create_slider("titlespeed", titlespeed_handler,
"TitleSpeed", NULL, "0", "10", TITLESPEED_NO, TITLESPEED_MAX, 1, titlespeed);
menu_add_item(options_menu, slider);
/* add driver specific option menus for each driver:
* menu's client is NULL since we're in the server */
for (driver = drivers_getfirst(); driver; driver = drivers_getnext()) {
int contrast_avail = (driver->get_contrast && driver->set_contrast) ? 1 : 0;
int brightness_avail = (driver->get_brightness && driver->set_brightness) ? 1 : 0;
if (contrast_avail || brightness_avail) {
/* menu's client is NULL since we're in the server */
driver_menu = menu_create(driver->name, NULL, driver->name, NULL);
if (driver_menu == NULL) {
report(RPT_ERR, "%s: Cannot create menu for driver %s",
__FUNCTION__, driver->name);
continue;
}
menu_set_association(driver_menu, driver);
menu_add_item(options_menu, driver_menu);
if (contrast_avail) {
int contrast = driver->get_contrast(driver);
/* menu's client is NULL since we're in the server */
slider = menuitem_create_slider("contrast", contrast_handler, "Contrast",
NULL, "min", "max", 0, 1000, 25, contrast);
menu_add_item(driver_menu, slider);
}
if (brightness_avail) {
int onbrightness = driver->get_brightness(driver, BACKLIGHT_ON);
int offbrightness = driver->get_brightness(driver, BACKLIGHT_OFF);
slider = menuitem_create_slider("onbrightness", brightness_handler, "On Brightness",
NULL, "min", "max", 0, 1000, 25, onbrightness);
menu_add_item(driver_menu, slider);
slider = menuitem_create_slider("offbrightness", brightness_handler, "Off Brightness",
NULL, "min", "max", 0, 1000, 25, offbrightness);
menu_add_item(driver_menu, slider);
}
}
}
}
#ifdef LCDPROC_TESTMENUS
void menuscreen_create_testmenu(void) {
MenuItem *test_item;
Menu *test_menu;
char testiso[] = {
'D', 'e', 'm', 'o', '\t',
/* #160 */
160, 161, 162, 163, 164, 165, 166, 167, '\t',
168, 169, 170, 171, 172, 173, 174, 175, '\t',
176, 177, 178, 179, 180, 181, 182, 183, '\t',
184, 185, 186, 187, 188, 189, 190, 191, '\t',
/* #192 */
192, 193, 194, 195, 196, 197, 198, 199, '\t',
200, 201, 202, 203, 204, 205, 206, 207, '\t',
208, 209, 210, 211, 212, 213, 214, 215, '\t',
216, 217, 218, 219, 220, 221, 222, 223, '\t',
/* #224 */
224, 225, 226, 227, 228, 229, 230, 231, '\t',
232, 233, 234, 245, 236, 237, 238, 239, '\t',
240, 241, 242, 243, 244, 245, 246, 247, '\t',
248, 249, 250, 251, 252, 253, 254, 255, '\0'
};
test_menu = menu_create("test", NULL, "Test menu", NULL);
if (test_menu == NULL) {
report(RPT_ERR, "%s: Cannot create test menu", __FUNCTION__);
return;
}
menu_add_item(main_menu, test_menu);
/* menu's client is NULL since we're in the server */
test_item = menuitem_create_action("", NULL, "Action", NULL, MENURESULT_NONE);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_action("", NULL, "Action,closing", NULL, MENURESULT_CLOSE);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_action("", NULL, "Action,quitting", NULL, MENURESULT_QUIT);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_checkbox("", NULL, "Checkbox", NULL, false, false);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_checkbox("", NULL, "Checkbox, gray", NULL, true, false);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_ring("", NULL, "Ring", NULL, "ABC\tDEF\t01234567890\tOr a very long string that will not fit on any display", 1);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_slider("", NULL, "Slider", NULL, "mintext", "maxtext", -20, 20, 1, 0);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_slider("", NULL, "Slider,step=5", NULL, "mintext", "maxtext", -20, 20, 5, 0);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_numeric("", NULL, "Numeric", NULL, 1, 365, 15);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_numeric("", NULL, "Numeric,signed", NULL, -20, +20, 15);
menu_add_item(test_menu, test_item);
test_item = menuitem_create_alpha("", NULL, "Alpha", NULL, 0, 3, 12, true, true, true, ".-+@", "LCDproc-v0.5");
menu_add_item(test_menu, test_item);
test_item = menuitem_create_alpha("", NULL, "Alpha, caps only", NULL, 0, 3, 12, true, false, false, "-", "LCDPROC");
menu_add_item(test_menu, test_item);
test_item = menuitem_create_ip("", NULL, "IPv4", NULL, 0, "192.168.1.245");
menu_add_item(test_menu, test_item);
test_item = menuitem_create_ip("", NULL, "IPv6", NULL, 1, "1080:0:0:0:8:800:200C:417A");
menu_add_item(test_menu, test_item);
test_item = menuitem_create_ring("", NULL, "Charset", NULL, testiso, 0);
menu_add_item(test_menu, test_item);
}
#endif /*LCDPROC_TESTMENUS*/
MenuEventFunc (heartbeat_handler)
{
debug(RPT_DEBUG, "%s(item=[%s], event=%d)", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), event);
if ((item != NULL) && (event == MENUEVENT_UPDATE)) {
/* Set heartbeat setting */
heartbeat = item->data.checkbox.value;
report(RPT_INFO, "Menu: set heartbeat to %d", heartbeat);
}
return 0;
}
MenuEventFunc (backlight_handler)
{
debug(RPT_DEBUG, "%s(item=[%s], event=%d)", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), event);
if ((item != NULL) && (event == MENUEVENT_UPDATE)) {
/* Set backlight setting */
backlight = item->data.checkbox.value;
report(RPT_INFO, "Menu: set backlight to %d", backlight);
}
return 0;
}
MenuEventFunc (titlespeed_handler)
{
debug(RPT_DEBUG, "%s(item=[%s], event=%d)", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), event);
if ((item != NULL) && ((event == MENUEVENT_MINUS) || (event == MENUEVENT_PLUS))) {
/* set titlespeed setting */
titlespeed = item->data.slider.value;
report(RPT_INFO, "Menu: set titlespeed to %d", titlespeed);
}
return 0;
}
MenuEventFunc (contrast_handler)
{
debug(RPT_DEBUG, "%s(item=[%s], event=%d)", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), event);
/* This function can be called by one of several drivers that support contrast */
if ((item != NULL) && ((event == MENUEVENT_MINUS) || (event == MENUEVENT_PLUS))) {
/* Determine the driver by following the menu's association */
Driver *driver = item->parent->data.menu.association;
if (driver != NULL) {
driver->set_contrast(driver, item->data.slider.value);
report(RPT_INFO, "Menu: set contrast of [%.40s] to %d",
driver->name, item->data.slider.value);
}
}
return 0;
}
MenuEventFunc (brightness_handler)
{
debug(RPT_DEBUG, "%s(item=[%s], event=%d)", __FUNCTION__,
((item != NULL) ? item->id : "(null)"), event);
/* This function can be called by one of several drivers that support brightness ! */
if ((item != NULL) && ((event == MENUEVENT_MINUS) || (event == MENUEVENT_PLUS))) {
/* Determine the driver by following the menu's association */
Driver *driver = item->parent->data.menu.association;
if (driver != NULL) {
if (strcmp(item->id, "onbrightness") == 0) {
driver->set_brightness(driver, BACKLIGHT_ON, item->data.slider.value);
}
else if (strcmp(item->id, "offbrightness") == 0) {
driver->set_brightness(driver, BACKLIGHT_OFF, item->data.slider.value);
}
}
}
return 0;
}
void
menuscreen_add_screen(Screen *s)
{
Menu *m;
MenuItem *mi;
debug(RPT_DEBUG, "%s(s=[%s])", __FUNCTION__,
((s != NULL) ? s->id : "(null)"));
/* screens have not been created or no screen given ... */
if ((screens_menu == NULL) || (s == NULL))
return;
/* Create a menu entry for the screen */
m = menu_create(s->id, NULL, ((s->name != NULL) ? s->name : s->id), s->client);
if (m == NULL) {
report(RPT_ERR, "%s: Cannot create menu", __FUNCTION__);
return;
}
menu_set_association(m, s);
menu_add_item(screens_menu, m);
/* And add some items for it... */
mi = menuitem_create_action("", NULL, "(don't work yet)", s->client, MENURESULT_NONE);
menu_add_item(m, mi);
mi = menuitem_create_action("", NULL, "To Front", s->client, MENURESULT_QUIT);
menu_add_item(m, mi);
mi = menuitem_create_checkbox("", NULL, "Visible", s->client, false, true);
menu_add_item(m, mi);
mi = menuitem_create_numeric("", NULL, "Duration", s->client, 2, 3600, s->duration);
menu_add_item(m, mi);
mi = menuitem_create_ring("", NULL, "Priority", s->client,
"Hidden\tBackground\tForeground\tAlert\tInput", s->priority);
menu_add_item(m, mi);
}
void
menuscreen_remove_screen(Screen *s)
{
debug(RPT_DEBUG, "%s(s=[%s])", __FUNCTION__,
(s != NULL) ? s->id : "(NULL)");
/* allow to remove the menuscreen itself */
if ((s == NULL) || (s == menuscreen))
return;
if (screens_menu) {
Menu *m = menu_find_item(screens_menu, s->id, false);
menu_remove_item(screens_menu, m);
menuitem_destroy(m);
}
}
int
menuscreen_goto(Menu *menu)
{
debug(RPT_DEBUG, "%s(m=[%s]): active_menuitem=[%s]",
__FUNCTION__, (menu != NULL) ? menu->id : "(NULL)",
(active_menuitem != NULL) ? active_menuitem->id : "(NULL)");
menuscreen_switch_item(menu);
return 0;
}
/** sets custom main menu. Use NULL pointer to reset it to the "real" main
* menu. */
int
menuscreen_set_main(Menu *menu)
{
debug(RPT_DEBUG, "%s(m=[%s])",
__FUNCTION__, (menu != NULL) ? menu->id : "(NULL)");
custom_main_menu = menu;
return 0;
}
Menu *
menuscreen_get_main(void)
{
return custom_main_menu ? custom_main_menu : main_menu;
}
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