diff options
Diffstat (limited to 'plugins/menu/fifo_menu.c')
| -rw-r--r-- | plugins/menu/fifo_menu.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/plugins/menu/fifo_menu.c b/plugins/menu/fifo_menu.c deleted file mode 100644 index c096a9d3..00000000 --- a/plugins/menu/fifo_menu.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * $Header$ - * - * FFIO menu plugin - * Provides a menu from a FIFO located in ~/.openbox/fifo_menu/id - * Example: - * rc3: - * <menu id="fonk" label="fonk" plugin="fifo_menu"></menu> - * Menu format - * <fifo_menu> - * <item label="GLOVE.png"> - * <action name="execute"> - * <execute> - * bsetbg "/home/woodblock/.openbox/backgrounds/GLOVE.png" - * </execute> - * </action> - * </item> - * </fifo_menu> - * - * If the attribute pid="true" is in the <menu> - */ - -#include <glib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> -#include <stdio.h> - -#include "kernel/menu.h" -#include "kernel/event.h" - -static char *PLUGIN_NAME = "fifo_menu"; - -typedef struct Fifo_Menu_Data { - char *fifo; - 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 */ - gboolean use_pid; - event_fd_handler *handler; -} Fifo_Menu_Data; - -#define FIFO_MENU(m) ((ObMenu *)m) -#define FIFO_MENU_DATA(m) ((Fifo_Menu_Data *)((ObMenu *)m)->plugin_data) - - -void fifo_menu_clean_up(ObMenu *m) { - if (FIFO_MENU_DATA(m)->buf != NULL) { - g_free(FIFO_MENU_DATA(m)->buf); - FIFO_MENU_DATA(m)->buf = NULL; - FIFO_MENU_DATA(m)->buflen = 0; - } - - if (FIFO_MENU_DATA(m)->fd != -1) { - close(FIFO_MENU_DATA(m)->fd); - FIFO_MENU_DATA(m)->fd = -1; - } -} - -void plugin_setup_config() { } -void plugin_startup() -{ } -void plugin_shutdown() { } - -void fifo_menu_handler(int fd, void *d) { - ObMenu *menu = d; - char *tmpbuf = NULL; - unsigned long num_read; -#ifdef DEBUG - /* because gdb is dumb */ -#if 0 - Fifo_Menu_Data *d = FIFO_MENU_DATA(menu); -#endif -#endif - - /* if the menu is shown this will go into busy loop :( - fix me*/ - if (!menu->shown) { - unsigned long num_realloc; - /* if we have less than a quarter BUFSIZ left, allocate more */ - num_realloc = (BUFSIZ - (FIFO_MENU_DATA(menu)->buflen % BUFSIZ) < - BUFSIZ >> 2) ? - 0 : BUFSIZ; - - tmpbuf = g_try_realloc(FIFO_MENU_DATA(menu)->buf, - FIFO_MENU_DATA(menu)->buflen + num_realloc); - - if (tmpbuf == NULL) { - g_warning("Unable to allocate memory for read()"); - return; - } - - FIFO_MENU_DATA(menu)->buf = tmpbuf; - - num_read = read(fd, - FIFO_MENU_DATA(menu)->buf + - FIFO_MENU_DATA(menu)->buflen, - num_realloc); - - if (num_read == 0) { /* eof */ - ObParseInst *i; - xmlDocPtr doc; - xmlNodePtr node; - - menu->invalid = TRUE; - menu_clear(menu); - - FIFO_MENU_DATA(menu)->buf[FIFO_MENU_DATA(menu)->buflen] = '\0'; - - i = parse_startup(); - - if (parse_load_mem(FIFO_MENU_DATA(menu)->buf, - FIFO_MENU_DATA(menu)->buflen, - "fifo_menu", &doc, &node)) - parse_menu_full(i, doc, node, menu, FALSE); - - parse_shutdown(i); - - fifo_menu_clean_up(menu); - - event_remove_fd(FIFO_MENU_DATA(menu)->handler->fd); - - if ((FIFO_MENU_DATA(menu)->fd = - open(FIFO_MENU_DATA(menu)->fifo, - O_NONBLOCK | O_RDONLY)) == -1) { - g_warning("Can't reopen FIFO"); - fifo_menu_clean_up(menu); - return; - } - - FIFO_MENU_DATA(menu)->handler->fd = FIFO_MENU_DATA(menu)->fd; - - event_add_fd_handler(FIFO_MENU_DATA(menu)->handler); - } else if (num_read > 0) { - FIFO_MENU_DATA(menu)->buflen += num_read; - FIFO_MENU_DATA(menu)->buf[FIFO_MENU_DATA(menu)->buflen] = '\0'; - } - } -} - -void plugin_destroy (ObMenu *m) -{ - fifo_menu_clean_up(m); - if (FIFO_MENU_DATA(m)->handler != NULL) { - g_free(FIFO_MENU_DATA(m)->handler); - FIFO_MENU_DATA(m)->handler = NULL; - } - - if (FIFO_MENU_DATA(m)->fifo != NULL) { - g_free(FIFO_MENU_DATA(m)->fifo); - FIFO_MENU_DATA(m)->fifo = NULL; - } - - if (FIFO_MENU_DATA(m)->buf != NULL) { - g_free(FIFO_MENU_DATA(m)->buf); - FIFO_MENU_DATA(m)->buf = NULL; - } - - g_free(m->plugin_data); - - menu_free(m->name); -} - -void *plugin_create(PluginMenuCreateData *data) -{ - char *fifo; - char *dir; - event_fd_handler *h; - Fifo_Menu_Data *d; - ObMenu *m; - char *label = NULL, *id = NULL; - char *attr_pid = NULL; - - d = g_new(Fifo_Menu_Data, 1); - - parse_attr_string("id", data->node, &id); - parse_attr_string("label", data->node, &label); - - if (parse_attr_string("pid", data->node, &attr_pid) && - g_strcasecmp(attr_pid, "true") == 0) { - d->use_pid = TRUE; - } else - d->use_pid = FALSE; - - m = menu_new( (label != NULL ? label : ""), - (id != NULL ? id : PLUGIN_NAME), - data->parent); - - if (data->parent) - menu_add_entry(data->parent, menu_entry_new_submenu( - (label != NULL ? label : ""), - m)); - - g_free(label); - g_free(id); - d->fd = -1; - d->buf = NULL; - d->buflen = 0; - d->handler = NULL; - - m->plugin = PLUGIN_NAME; - - d->fd = -1; - - m->plugin_data = (void *)d; - - - dir = g_build_filename(g_get_home_dir(), ".openbox", - PLUGIN_NAME, NULL); - - if (mkdir(dir, S_IRWXU | S_IRWXG | S_IRWXO) == -1 && errno != EEXIST) { -/* technically, if ~/.openbox/fifo_menu exists and isn't a directory - this will fail, but we don't care because mkfifo will fail and warn - anyway */ - g_warning("Can't create %s: %s", dir, strerror(errno)); - g_free(dir); - plugin_destroy(m); - return NULL; - } - - if (d->use_pid) - { - char *pid = g_strdup_printf("%s.%d", m->name, getpid()); - fifo = g_build_filename(g_get_home_dir(), ".openbox", - PLUGIN_NAME, - pid, NULL); - g_free(pid); - } else { - fifo = g_build_filename(g_get_home_dir(), ".openbox", - PLUGIN_NAME, - m->name, NULL); - } - - if (mkfifo(fifo, S_IRUSR | S_IWUSR | - S_IRGRP | S_IWGRP | /* let umask do its thing */ - S_IROTH | S_IWOTH) == -1 && errno != EEXIST) { - g_warning("Can't create FIFO %s: %s", fifo, strerror(errno)); - g_free(fifo); - g_free(d); - menu_free(m->name); - return NULL; - } - -/* open in non-blocking mode so we don't wait for a process to open FIFO - for writing */ - if ((d->fd = open(fifo, O_NONBLOCK | O_RDONLY)) == -1) { - g_warning("Can't open FIFO %s: %s", fifo, strerror(errno)); - g_free(fifo); - g_free(d); - menu_free(m->name); - return NULL; - } - - d->fifo = fifo; - - h = g_new(event_fd_handler, 1); - - if (h == NULL) { - g_warning("Out of memory"); - close(d->fd); - g_free(fifo); - g_free(d); - menu_free(m->name); - return NULL; - } - - h->fd = d->fd; - h->data = m; - h->handler = fifo_menu_handler; - d->handler = h; - - event_add_fd_handler(h); - - g_free(dir); - return (void *)m; -} |