plugins/menu/timed_menu.c (raw)
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#include <glib.h> #include "kernel/menu.h" #include "kernel/timer.h" #include "timed_menu.h" #include "kernel/action.h" #define TIMED_MENU(m) ((Menu *)m) #define TIMED_MENU_DATA(m) ((Timed_Menu_Data *)((Menu *)m)->plugin_data) static char *PLUGIN_NAME = "timed_menu"; typedef enum { TIMED_MENU_PIPE } Timed_Menu_Type; /* we can use various GIO channels to support reading menus (can we add them to the event loop? ) stat() based update exec() based read */ typedef struct { Timed_Menu_Type type; Timer *timer; /* timer code handles free */ char *command; /* for the PIPE */ } Timed_Menu_Data; void plugin_setup_config() { } void plugin_startup() { } void plugin_shutdown() { } void timed_menu_timeout_handler(void *data) { Action *a; ((Menu *)data)->invalid = TRUE; if (!TIMED_MENU(data)->shown) { 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 */ char *args[] = {"/bin/sh", "-c", "ls", NULL}; GIOChannel *io; char *line; gint child, c_stdout, line_len, terminator_pos; GIOStatus status; /* this blocks for now, until the event stuff can handle it */ if (!g_spawn_async_with_pipes(NULL, args, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &child, NULL, &c_stdout, NULL, NULL)) { g_warning("%s: Unable to run timed_menu program", __FUNCTION__); break; } io = g_io_channel_unix_new(c_stdout); if (io == NULL) { g_error("%s: Unable to get IO channel", __FUNCTION__); break; } menu_clear(TIMED_MENU(data)); while ( G_IO_STATUS_NORMAL == (status = g_io_channel_read_line (io, &line, &line_len, &terminator_pos, NULL)) ) { /* the \n looks ugly */ line[terminator_pos] = '\0'; menu_add_entry(TIMED_MENU(data), menu_entry_new_separator(line)); g_message("%s", line); g_free(line); } break; } } } } void *plugin_create() { Timed_Menu_Data *d = g_new(Timed_Menu_Data, 1); Menu *m = menu_new("", PLUGIN_NAME, NULL); m->plugin = PLUGIN_NAME; d->type = TIMED_MENU_PIPE; d->timer = timer_start(1000000, &timed_menu_timeout_handler, m); m->plugin_data = (void *)d; return (void *)m; } void plugin_destroy (void *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 ); } |