diff options
Diffstat (limited to 'plugins/menu/timed_menu.c')
| -rw-r--r-- | plugins/menu/timed_menu.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/plugins/menu/timed_menu.c b/plugins/menu/timed_menu.c deleted file mode 100644 index 83ae5aa8..00000000 --- a/plugins/menu/timed_menu.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * $Header$ - * - * Timed menu plugin - * Provides a menu from either a periodically executing process or by - * periodically checking the timestamp of a file and loading if it has changed. - * - * Examples: - * Piped timed menu: - * rc3: - * <menu id="name" label="Piped menu" plugin="timed_menu" timeout="120" - * command="obcommand.py -c bsetbg -d ~/.openbox/backgrounds/" /> - * timeout is in seconds - * - * Output of command: - * <timed_menu> - * <item label="GLOVE.png"> - * <action name="execute"> - * <execute> - * bsetbg "/home/woodblock/.openbox/backgrounds/GLOVE.png" - * </execute> - * </action> - * </item> - * </fifo_menu> - * - * stat() menu: - * <menu id="name" label="Stat menu" plugin="timed_menu" type="stat" - * timeout="120" file="~/.openbox/stat_menu" /> - * stat_menu contents: same as timed menu - * - */ - -#include <glib.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#include <sys/stat.h> - -#include "kernel/menu.h" -#include "kernel/timer.h" -#include "timed_menu.h" -#include "kernel/action.h" -#include "kernel/event.h" - -#define TIMED_MENU(m) ((ObMenu *)m) -#define TIMED_MENU_DATA(m) ((Timed_Menu_Data *)((ObMenu *)m)->plugin_data) -static char *PLUGIN_NAME = "timed_menu"; - -typedef enum { - TIMED_MENU_PIPE, /* read entries from a child process' output */ - TIMED_MENU_STAT /* reread entries from file when timestamp changes */ -} Timed_Menu_Type; - -typedef struct { - Timed_Menu_Type type; - ObTimer *timer; - char *command; /* command to run or file to stat() */ - char *buf; /* buffer to hold partially read menu */ - unsigned long buflen; /* how many bytes are in the buffer */ - int fd; /* file descriptor to read menu from */ - pid_t pid; /* pid of child process in PIPE */ - time_t mtime; /* time of last modification */ -} Timed_Menu_Data; - - -void plugin_setup_config() { } -void plugin_startup() -{ } -void plugin_shutdown() { } - -void timed_menu_clean_up(ObMenu *m) { - if (TIMED_MENU_DATA(m)->buf != NULL) { - g_free(TIMED_MENU_DATA(m)->buf); - TIMED_MENU_DATA(m)->buf = NULL; - } - - TIMED_MENU_DATA(m)->buflen = 0; - - if (TIMED_MENU_DATA(m)->fd != -1) { - event_remove_fd(TIMED_MENU_DATA(m)->fd); - close(TIMED_MENU_DATA(m)->fd); - TIMED_MENU_DATA(m)->fd = -1; - } - - if (TIMED_MENU_DATA(m)->pid != -1) { - waitpid(TIMED_MENU_DATA(m)->pid, NULL, 0); - TIMED_MENU_DATA(m)->pid = -1; - } -} - -void timed_menu_read_pipe(int fd, void *d) -{ - ObMenu *menu = d; - char *tmpbuf = NULL; - unsigned long num_read; -#ifdef DEBUG - /* because gdb is dumb */ -#if 0 - Timed_Menu_Data *d = TIMED_MENU_DATA(menu); -#endif -#endif - - unsigned long num_realloc; - /* if we have less than a quarter BUFSIZ left, allocate more */ - num_realloc = (BUFSIZ - (TIMED_MENU_DATA(menu)->buflen % BUFSIZ) < - BUFSIZ >> 2) ? - 0 : BUFSIZ; - - tmpbuf = g_try_realloc(TIMED_MENU_DATA(menu)->buf, - TIMED_MENU_DATA(menu)->buflen + num_realloc); - - if (tmpbuf == NULL) { - g_warning("Unable to allocate memory for read()"); - return; - } - - TIMED_MENU_DATA(menu)->buf = tmpbuf; - - num_read = read(fd, - TIMED_MENU_DATA(menu)->buf + TIMED_MENU_DATA(menu)->buflen, - num_realloc); - if (num_read == 0) { - ObParseInst *i; - xmlDocPtr doc; - xmlNodePtr node; - - menu->invalid = TRUE; - menu_clear(menu); - - TIMED_MENU_DATA(menu)->buf[TIMED_MENU_DATA(menu)->buflen] = '\0'; - - i = parse_startup(); - - if (parse_load_mem(TIMED_MENU_DATA(menu)->buf, - TIMED_MENU_DATA(menu)->buflen, - "timed_menu", &doc, &node)) - parse_menu_full(i, doc, node, menu, FALSE); - - parse_shutdown(i); - - timed_menu_clean_up(menu); - } else if (num_read > 0) { - TIMED_MENU_DATA(menu)->buflen += num_read; - TIMED_MENU_DATA(menu)->buf[TIMED_MENU_DATA(menu)->buflen] = '\0'; - } else { /* num_read < 1 */ - g_warning("Error on read %s", strerror(errno)); - timed_menu_clean_up(menu); - } -} - -void timed_menu_timeout_handler(ObTimer *t, void *d) -{ - ObMenu *data = d; - if (!data->shown && TIMED_MENU_DATA(data)->fd == -1) { - switch (TIMED_MENU_DATA(data)->type) { - case (TIMED_MENU_PIPE): { - /* if the menu is not shown, run a process and use its output - as menu */ - - /* I hate you glib in all your hideous forms */ - char *args[4]; - int child_stdout; - int child_pid; - args[0] = "/bin/sh"; - args[1] = "-c"; - args[2] = TIMED_MENU_DATA(data)->command; - args[3] = NULL; - if (g_spawn_async_with_pipes( - NULL, - args, - NULL, - G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD, - NULL, - NULL, - &child_pid, - NULL, - &child_stdout, - NULL, - NULL)) { - event_fd_handler *h = g_new(event_fd_handler, 1); - TIMED_MENU_DATA(data)->fd = h->fd = child_stdout; - TIMED_MENU_DATA(data)->pid = child_pid; - h->handler = timed_menu_read_pipe; - h->data = data; - event_add_fd_handler(h); - } else { - g_warning("unable to spawn child"); - } - break; - } - - case (TIMED_MENU_STAT): { - struct stat stat_buf; - - if (stat(TIMED_MENU_DATA(data)->command, &stat_buf) == -1) { - g_warning("Unable to stat %s: %s", - TIMED_MENU_DATA(data)->command, - strerror(errno)); - break; - } - - if (stat_buf.st_mtime > TIMED_MENU_DATA(data)->mtime) { - ObParseInst *i; - xmlDocPtr doc; - xmlNodePtr node; - - g_warning("file changed"); - TIMED_MENU_DATA(data)->mtime = stat_buf.st_mtime; - - data->invalid = TRUE; - menu_clear(data); - - i = parse_startup(); - - if (parse_load(TIMED_MENU_DATA(data)->command, - "timed_menu", &doc, &node)) - parse_menu_full(i, doc, node, data, FALSE); - - parse_shutdown(i); - - timed_menu_clean_up(data); - } - } - } - } -} - -void *plugin_create(PluginMenuCreateData *data) -{ - char *id; - char *label; - char *timeout; - char *type; - - Timed_Menu_Data *d; - ObMenu *m; - - parse_attr_string("id", data->node, &id); - parse_attr_string("label", data->node, &label); - - d = g_new(Timed_Menu_Data, 1); - - m = menu_new( (label != NULL ? label : ""), - (id != NULL ? id : PLUGIN_NAME), - data->parent); - - m->plugin = PLUGIN_NAME; - - if (data->parent) - menu_add_entry(data->parent, menu_entry_new_submenu( - (label != NULL ? label : ""), - m)); - - d->type = TIMED_MENU_PIPE; - - if (parse_attr_string("type", data->node, &type) && - !g_strcasecmp(type, "stat")) { - d->type = TIMED_MENU_STAT; - - if (!parse_attr_string("file", data->node, &d->command)) { - d->command = g_strdup(""); - } - } else - if (!parse_attr_string("command", data->node, &d->command)) { - d->command = g_strdup(""); - } - - if (parse_attr_string("timeout", data->node, &timeout)) { - char *endptr; - gdouble timeout_val = g_strtod(timeout, &endptr); - g_free(timeout); - d->timer = timer_start(timeout_val * 1000000, - &timed_menu_timeout_handler, m); - } else - d->timer = timer_start(600 * 1000000, &timed_menu_timeout_handler, m); - - d->buf = NULL; - d->buflen = 0; - d->fd = -1; - d->pid = -1; - d->mtime = 0; - - m->plugin_data = (void *)d; - - timed_menu_timeout_handler(NULL, m); - return (void *)m; -} - -void plugin_destroy (void *m) -{ - timed_menu_clean_up(m); - /* this will be freed by timer_* */ - timer_stop( ((Timed_Menu_Data *)TIMED_MENU(m)->plugin_data)->timer); - - g_free( TIMED_MENU(m)->plugin_data ); -} |
