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path: root/src/bin/e_exec.c
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#include "e.h"

#define MAX_OUTPUT_CHARACTERS 5000

/* TODO:
 * - Clear e_exec_instances on shutdown
 * - Clear e_exec_start_pending on shutdown
 * - Create border add handler
 * - Launch .desktop in terminal if .desktop requires it
 */

typedef struct _E_Exec_Launch E_Exec_Launch;
typedef struct _E_Exec_Search E_Exec_Search;

struct _E_Exec_Launch
{
   E_Zone     *zone;
   const char *launch_method;
};

struct _E_Exec_Search
{
   E_Exec_Instance *inst;
   int              startup_id;
   pid_t            pid;
};

struct _E_Config_Dialog_Data
{
   Efreet_Desktop       *desktop;
   char                 *exec;

   Ecore_Exe_Event_Del   event;
   Ecore_Exe_Event_Data *error;
   Ecore_Exe_Event_Data *read;

   char                 *label, *exit, *signal;
};

/* local subsystem functions */
static E_Exec_Instance *_e_exec_cb_exec(void *data, Efreet_Desktop *desktop, char *exec, int remaining);
static Eina_Bool        _e_exec_cb_expire_timer(void *data);
static Eina_Bool        _e_exec_cb_exit(void *data, int type, void *event);

static Eina_Bool        _e_exec_startup_id_pid_find(const Eina_Hash *hash __UNUSED__, const void *key __UNUSED__, void *value, void *data);

static void             _e_exec_error_dialog(Efreet_Desktop *desktop, const char *exec, Ecore_Exe_Event_Del *event, Ecore_Exe_Event_Data *error, Ecore_Exe_Event_Data *read);
static void             _fill_data(E_Config_Dialog_Data *cfdata);
static void            *_create_data(E_Config_Dialog *cfd);
static void             _free_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static Evas_Object     *_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static Evas_Object     *_advanced_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static Evas_Object     *_dialog_scrolltext_create(Evas *evas, char *title, Ecore_Exe_Event_Data_Line *lines);
static void             _dialog_save_cb(void *data, void *data2);
static void             _e_exec_instance_free(E_Exec_Instance *inst);

/* local subsystem globals */
static Eina_List *e_exec_start_pending = NULL;
static Eina_Hash *e_exec_instances = NULL;
static int startup_id = 0;

static Ecore_Event_Handler *_e_exec_exit_handler = NULL;
static Ecore_Event_Handler *_e_exec_border_add_handler = NULL;

/* externally accessible functions */
EINTERN int
e_exec_init(void)
{
   e_exec_instances = eina_hash_string_superfast_new(NULL);

   _e_exec_exit_handler =
     ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _e_exec_cb_exit, NULL);
#if 0
   _e_exec_border_add_handler =
     ecore_event_handler_add(E_EVENT_BORDER_ADD, _e_exec_cb_event_border_add, NULL);
#endif
   return 1;
}

EINTERN int
e_exec_shutdown(void)
{
   char buf[256];

   snprintf(buf, sizeof(buf), "%i", startup_id);
   e_util_env_set("E_STARTUP_ID", buf);

   if (_e_exec_exit_handler) ecore_event_handler_del(_e_exec_exit_handler);
   if (_e_exec_border_add_handler)
     ecore_event_handler_del(_e_exec_border_add_handler);
   eina_hash_free(e_exec_instances);
   eina_list_free(e_exec_start_pending);
   return 1;
}

EAPI E_Exec_Instance *
e_exec(E_Zone *zone, Efreet_Desktop *desktop, const char *exec,
       Eina_List *files, const char *launch_method)
{
   E_Exec_Launch *launch;
   E_Exec_Instance *inst = NULL;

   if ((!desktop) && (!exec)) return NULL;
   launch = E_NEW(E_Exec_Launch, 1);
   if (!launch) return NULL;
   if (zone)
     {
        launch->zone = zone;
        e_object_ref(E_OBJECT(launch->zone));
     }
   if (launch_method)
     launch->launch_method = eina_stringshare_add(launch_method);

   if (desktop)
     {
        if (exec)
          inst = _e_exec_cb_exec(launch, NULL, strdup(exec), 0);
        else
          inst = efreet_desktop_command_get
          (desktop, files, (Efreet_Desktop_Command_Cb)_e_exec_cb_exec, launch);
     }
   else
     inst = _e_exec_cb_exec(launch, NULL, strdup(exec), 0);
   if ((zone) && (inst))
     {
        inst->screen = zone->num;
        inst->desk_x = zone->desk_x_current;
        inst->desk_y = zone->desk_y_current;
     }
   return inst;
}

EAPI E_Exec_Instance *
e_exec_startup_id_pid_instance_find(int id, pid_t pid)
{
   E_Exec_Search search;

   search.inst = NULL;
   search.startup_id = id;
   search.pid = pid;
   eina_hash_foreach(e_exec_instances, _e_exec_startup_id_pid_find, &search);
   return search.inst;
}

EAPI Efreet_Desktop *
e_exec_startup_id_pid_find(int id, pid_t pid)
{
   E_Exec_Instance *inst;

   inst = e_exec_startup_id_pid_instance_find(id, pid);
   if (!inst) return NULL;
   return inst->desktop;
}

/* local subsystem functions */
static E_Exec_Instance *
_e_exec_cb_exec(void *data, Efreet_Desktop *desktop, char *exec, int remaining)
{
   E_Exec_Instance *inst = NULL;
   E_Exec_Launch *launch;
   Eina_List *l, *lnew;
   Ecore_Exe *exe = NULL;
   char *penv_display;
   char buf[PATH_MAX];

   launch = data;
   inst = E_NEW(E_Exec_Instance, 1);
   if (!inst) return NULL;

   if (startup_id == 0)
     {
        const char *p;

        p = getenv("E_STARTUP_ID");
        if (p) startup_id = atoi(p);
        e_util_env_set("E_STARTUP_ID", NULL);
     }
   if (++startup_id < 1) startup_id = 1;
   /* save previous env vars we need to save */
   penv_display = getenv("DISPLAY");
   if (penv_display) penv_display = strdup(penv_display);
   if ((penv_display) && (launch->zone))
     {
        const char *p1, *p2;
        char buf2[32];
        int head;

        head = launch->zone->container->manager->num;

        /* set env vars */
        p1 = strrchr(penv_display, ':');
        p2 = strrchr(penv_display, '.');
        if ((p1) && (p2) && (p2 > p1)) /* "blah:x.y" */
          {
             /* yes it could overflow... but who will overflow DISPLAY eh? why? to
              * "exploit" your own applications running as you?
              */
             strcpy(buf, penv_display);
             buf[p2 - penv_display + 1] = 0;
             snprintf(buf2, sizeof(buf2), "%i", head);
             strcat(buf, buf2);
          }
        else if (p1) /* "blah:x */
          {
             strcpy(buf, penv_display);
             snprintf(buf2, sizeof(buf2), ".%i", head);
             strcat(buf, buf2);
          }
        else
          strcpy(buf, penv_display);
        e_util_env_set("DISPLAY", buf);
     }
   snprintf(buf, sizeof(buf), "E_START|%i", startup_id);
   e_util_env_set("DESKTOP_STARTUP_ID", buf);

   // dont set vsync for clients - maybe inherited from compositore. fixme:
   // need a way to still inherit from parent env of wm.
   e_util_env_set("__GL_SYNC_TO_VBLANK", NULL);

//// FIXME: seem to be some issues with the pipe and filling up ram - need to
//// check. for now disable.
//   exe = ecore_exe_pipe_run(exec,
//			    ECORE_EXE_PIPE_AUTO | ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_ERROR |
//			    ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_PIPE_ERROR_LINE_BUFFERED,
//			    inst);
   if ((desktop) && (desktop->path) && (desktop->path[0]))
     {
        if (!getcwd(buf, sizeof(buf)))
          {
             E_FREE(inst);
             e_util_dialog_show
               (_("Run Error"),
                   _("Enlightenment was unable to get current directory"));
             return NULL;
          }
        if (chdir(desktop->path))
          {
             E_FREE(inst);
             e_util_dialog_show
               (_("Run Error"),
                   _("Enlightenment was unable to change to directory:<br>"
                     "<br>"
                     "%s"),
                   desktop->path);
             return NULL;
          }
        e_util_library_path_strip();
        exe = ecore_exe_run(exec, inst);
        e_util_library_path_restore();
        if (chdir(buf))
          {
             e_util_dialog_show
               (_("Run Error"),
                   _("Enlightenment was unable to restore to directory:<br>"
                     "<br>"
                     "%s"),
                   buf);
             E_FREE(inst);
             return NULL;
          }
     }
   else
     {
        e_util_library_path_strip();
        if ((desktop) && (desktop->terminal))
          {
             Efreet_Desktop *tdesktop;
             
             tdesktop = e_util_terminal_desktop_get();
             if (tdesktop)
               {
                  if (tdesktop->exec)
                    {
                       Eina_Strbuf *sb;

                       sb = eina_strbuf_new();
                       if (sb)
                         {
                            eina_strbuf_append(sb, tdesktop->exec);
                            eina_strbuf_append(sb, " -e ");
                            eina_strbuf_append_escaped(sb, exec);
                            exe = ecore_exe_run(eina_strbuf_string_get(sb),
                                                inst);
                            eina_strbuf_free(sb);
                         }
                    }
                  else
                    exe = ecore_exe_run(exec, inst);
                  efreet_desktop_free(tdesktop);
               }
             else
               exe = ecore_exe_run(exec, inst);
          }
        else
          exe = ecore_exe_run(exec, inst);
        e_util_library_path_restore();
     }

   if (penv_display)
     {
        e_util_env_set("DISPLAY", penv_display);
        free(penv_display);
     }
   if (!exe)
     {
        E_FREE(inst);
        e_util_dialog_show(_("Run Error"),
                           _("Enlightenment was unable to fork a child process:<br>"
                             "<br>"
                             "%s"),
                           exec);
        return NULL;
     }
   /* reset env vars */
   if ((launch->launch_method) && (!desktop))
     e_exehist_add(launch->launch_method, exec);
   free(exec);
   /* 20 lines at start and end, 20x100 limit on bytes at each end. */
//// FIXME: seem to be some issues with the pipe and filling up ram - need to
//// check. for now disable.
//   ecore_exe_auto_limits_set(exe, 2000, 2000, 20, 20);
   ecore_exe_tag_set(exe, "E/exec");

   if (desktop)
     {
        efreet_desktop_ref(desktop);
        inst->desktop = desktop;
        inst->key = eina_stringshare_add(desktop->orig_path);
     }
   else
     inst->key = eina_stringshare_add(exec);
   inst->exe = exe;
   inst->startup_id = startup_id;
   inst->launch_time = ecore_time_get();
   inst->expire_timer = ecore_timer_add(e_config->exec.expire_timeout,
                                        _e_exec_cb_expire_timer, inst);
   l = eina_hash_find(e_exec_instances, inst->key);
   lnew = eina_list_append(l, inst);
   if (l) eina_hash_modify(e_exec_instances, inst->key, lnew);
   else eina_hash_add(e_exec_instances, inst->key, lnew);
   if (inst->desktop)
     {
        e_exec_start_pending = eina_list_append(e_exec_start_pending,
                                                inst->desktop);
        e_exehist_add(launch->launch_method, inst->desktop->exec);
     }

   if (!remaining)
     {
        if (launch->launch_method) eina_stringshare_del(launch->launch_method);
        if (launch->zone) e_object_unref(E_OBJECT(launch->zone));
        free(launch);
     }
   return inst;
}

static Eina_Bool
_e_exec_cb_expire_timer(void *data)
{
   E_Exec_Instance *inst;

   inst = data;
   if (inst->desktop)
     e_exec_start_pending = eina_list_remove(e_exec_start_pending,
                                             inst->desktop);
   inst->expire_timer = NULL;
   return ECORE_CALLBACK_CANCEL;
}

static void
_e_exec_instance_free(E_Exec_Instance *inst)
{
   Eina_List *instances;

   if (inst->key)
     {
        instances = eina_hash_find(e_exec_instances, inst->key);
        if (instances)
          {
             instances = eina_list_remove(instances, inst);
             if (instances)
               eina_hash_modify(e_exec_instances, inst->key, instances);
             else
               eina_hash_del(e_exec_instances, inst->key, NULL);
          }
        eina_stringshare_del(inst->key);
     }
   if (inst->desktop)
     e_exec_start_pending = eina_list_remove(e_exec_start_pending,
                                             inst->desktop);
   if (inst->expire_timer) ecore_timer_del(inst->expire_timer);
   if (inst->desktop) efreet_desktop_free(inst->desktop);
   free(inst);
}

static Eina_Bool
_e_exec_cb_instance_finish(void *data)
{
   _e_exec_instance_free(data);
   return ECORE_CALLBACK_CANCEL;
}

static Eina_Bool
_e_exec_cb_exit(void *data __UNUSED__, int type __UNUSED__, void *event)
{
   Ecore_Exe_Event_Del *ev;
   E_Exec_Instance *inst;

   ev = event;
   if (!ev->exe) return ECORE_CALLBACK_PASS_ON;
//   if (ecore_exe_tag_get(ev->exe)) printf("  tag %s\n", ecore_exe_tag_get(ev->exe));
   if (!(ecore_exe_tag_get(ev->exe) &&
         (!strcmp(ecore_exe_tag_get(ev->exe), "E/exec"))))
     return ECORE_CALLBACK_PASS_ON;
   inst = ecore_exe_data_get(ev->exe);
   if (!inst) return ECORE_CALLBACK_PASS_ON;

   /* /bin/sh uses this if cmd not found */
   if ((ev->exited) &&
       ((ev->exit_code == 127) || (ev->exit_code == 255)))
     {
        if (e_config->exec.show_run_dialog)
          {
             E_Dialog *dia;

             dia = e_dialog_new(e_container_current_get(e_manager_current_get()),
                                "E", "_e_exec_run_error_dialog");
             if (dia)
               {
                  char buf[PATH_MAX];

                  e_dialog_title_set(dia, _("Application run error"));
                  snprintf(buf, sizeof(buf),
                           _("Enlightenment was unable to run the application:<br>"
                             "<br>"
                             "%s<br>"
                             "<br>"
                             "The application failed to start."),
                           ecore_exe_cmd_get(ev->exe));
                  e_dialog_text_set(dia, buf);
                  e_dialog_button_add(dia, _("OK"), NULL, NULL, NULL);
                  e_dialog_button_focus_num(dia, 1);
                  e_win_centered_set(dia->win, 1);
                  e_dialog_show(dia);
               }
          }
     }
   /* Let's hope that everything returns this properly. */
   else if (!((ev->exited) && (ev->exit_code == EXIT_SUCCESS)))
     {
        if (e_config->exec.show_exit_dialog)
          {
             /* filter out common exits via signals - int/term/quit. not really
              * worth popping up a dialog for */
             if (!((ev->signalled) &&
                   ((ev->exit_signal == SIGINT) ||
                    (ev->exit_signal == SIGQUIT) ||
                    (ev->exit_signal == SIGTERM)))
                 )
               {
                  /* Show the error dialog with details from the exe. */
                  _e_exec_error_dialog(inst->desktop, ecore_exe_cmd_get(ev->exe), ev,
                                       ecore_exe_event_data_get(ev->exe, ECORE_EXE_PIPE_ERROR),
                                       ecore_exe_event_data_get(ev->exe, ECORE_EXE_PIPE_READ));
               }
          }
     }

   /* maybe better 1 minute? it might be openoffice */
   if (ecore_time_get() - inst->launch_time < 2.0)
     {
        inst->exe = NULL;
        if (inst->expire_timer) ecore_timer_del(inst->expire_timer);
        inst->expire_timer = ecore_timer_add(e_config->exec.expire_timeout, _e_exec_cb_instance_finish, inst);
     }
   else
     _e_exec_instance_free(inst);

   return ECORE_CALLBACK_PASS_ON;
}

static Eina_Bool
_e_exec_startup_id_pid_find(const Eina_Hash *hash __UNUSED__, const void *key __UNUSED__, void *value, void *data)
{
   E_Exec_Search *search;
   E_Exec_Instance *inst;
   Eina_List *l;

   search = data;
   EINA_LIST_FOREACH(value, l, inst)
     {
        if (((search->startup_id > 0) &&
             (search->startup_id == inst->startup_id)) ||
            ((inst->exe) && (search->pid > 1) &&
             (search->pid == ecore_exe_pid_get(inst->exe))))
          {
             search->inst = inst;
             return EINA_FALSE;
          }
     }
   return EINA_TRUE;
}

static void
_e_exec_error_dialog(Efreet_Desktop *desktop, const char *exec, Ecore_Exe_Event_Del *exe_event,
                     Ecore_Exe_Event_Data *exe_error, Ecore_Exe_Event_Data *exe_read)
{
   E_Config_Dialog_View *v;
   E_Config_Dialog_Data *cfdata;
   E_Container *con;

   v = E_NEW(E_Config_Dialog_View, 1);
   if (!v) return;
   cfdata = E_NEW(E_Config_Dialog_Data, 1);
   if (!cfdata)
     {
        E_FREE(v);
        return;
     }
   cfdata->desktop = desktop;
   if (cfdata->desktop) efreet_desktop_ref(cfdata->desktop);
   if (exec) cfdata->exec = strdup(exec);
   cfdata->error = exe_error;
   cfdata->read = exe_read;
   cfdata->event = *exe_event;

   v->create_cfdata = _create_data;
   v->free_cfdata = _free_data;
   v->basic.create_widgets = _basic_create_widgets;
   v->advanced.create_widgets = _advanced_create_widgets;

   con = e_container_current_get(e_manager_current_get());
   /* Create The Dialog */
   e_config_dialog_new(con, _("Application Execution Error"),
                       "E", "_e_exec_error_exit_dialog",
                       NULL, 0, v, cfdata);
}

static void
_fill_data(E_Config_Dialog_Data *cfdata)
{
   char buf[PATH_MAX];

   if (!cfdata->label)
     {
        if (cfdata->desktop)
          snprintf(buf, sizeof(buf), _("%s stopped running unexpectedly."), cfdata->desktop->name);
        else
          snprintf(buf, sizeof(buf), _("%s stopped running unexpectedly."), cfdata->exec);
        cfdata->label = strdup(buf);
     }
   if ((cfdata->event.exited) && (!cfdata->exit))
     {
        snprintf(buf, sizeof(buf),
                 _("An exit code of %i was returned from %s."),
                 cfdata->event.exit_code, cfdata->exec);
        cfdata->exit = strdup(buf);
     }
   if ((cfdata->event.signalled) && (!cfdata->signal))
     {
        if (cfdata->event.exit_signal == SIGINT)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by an Interrupt Signal."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGQUIT)
          snprintf(buf, sizeof(buf), _("%s was interrupted by a Quit Signal."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGABRT)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by an Abort Signal."), cfdata->exec);
        else if (cfdata->event.exit_signal == SIGFPE)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by a Floating Point Error."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGKILL)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by an Uninterruptable Kill Signal."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGSEGV)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by a Segmentation Fault."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGPIPE)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by a Broken Pipe."), cfdata->exec);
        else if (cfdata->event.exit_signal == SIGTERM)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by a Termination Signal."),
                   cfdata->exec);
        else if (cfdata->event.exit_signal == SIGBUS)
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by a Bus Error."), cfdata->exec);
        else
          snprintf(buf, sizeof(buf),
                   _("%s was interrupted by the signal number %i."),
                   cfdata->exec, cfdata->event.exit_signal);
        cfdata->signal = strdup(buf);
        /* FIXME: Add  sigchld_info stuff
         * cfdata->event.data
         *    siginfo_t
         *    {
         *       int      si_signo;     Signal number
         *       int      si_errno;     An errno value
         *       int      si_code;      Signal code
         *       pid_t    si_pid;       Sending process ID
         *       uid_t    si_uid;       Real user ID of sending process
         *       int      si_status;    Exit value or signal
         *       clock_t  si_utime;     User time consumed
         *       clock_t  si_stime;     System time consumed
         *       sigval_t si_value;     Signal value
         *       int      si_int;       POSIX.1b signal
         *       void *   si_ptr;       POSIX.1b signal
         *       void *   si_addr;      Memory location which caused fault
         *       int      si_band;      Band event
         *       int      si_fd;        File descriptor
         *    }
         */
     }
}

static void *
_create_data(E_Config_Dialog *cfd)
{
   E_Config_Dialog_Data *cfdata;

   cfdata = cfd->data;
   _fill_data(cfdata);
   return cfdata;
}

static void
_free_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   if (cfdata->error) ecore_exe_event_data_free(cfdata->error);
   if (cfdata->read) ecore_exe_event_data_free(cfdata->read);

   if (cfdata->desktop) efreet_desktop_free(cfdata->desktop);

   E_FREE(cfdata->exec);
   E_FREE(cfdata->signal);
   E_FREE(cfdata->exit);
   E_FREE(cfdata->label);
   E_FREE(cfdata);
}

static Evas_Object *
_dialog_scrolltext_create(Evas *evas, char *title, Ecore_Exe_Event_Data_Line *lines)
{
   Evas_Object *obj, *os;
   char *text;
   char *trunc_note = _("***The remaining output has been truncated. Save the output to view.***\n");
   int tlen, max_lines, i;

   os = e_widget_framelist_add(evas, _(title), 0);

   obj = e_widget_textblock_add(evas);

   tlen = 0;
   for (i = 0; lines[i].line; i++)
     {
        tlen += lines[i].size + 1;
        /* When the program output is extraordinarily long, it can cause
         * significant delays during text rendering. Limit to a fixed
         * number of characters. */
        if (tlen > MAX_OUTPUT_CHARACTERS)
          {
             tlen -= lines[i].size + 1;
             tlen += strlen(trunc_note);
             break;
          }
     }
   max_lines = i;
   text = alloca(tlen + 1);

   text[0] = 0;
   for (i = 0; i < max_lines; i++)
     {
        strcat(text, lines[i].line);
        strcat(text, "\n");
     }

   /* Append the warning about truncated output. */
   if (lines[max_lines].line) strcat(text, trunc_note);

   e_widget_textblock_plain_set(obj, text);
   e_widget_size_min_set(obj, 240, 120);

   e_widget_framelist_object_append(os, obj);

   return os;
}

static Evas_Object *
_basic_create_widgets(E_Config_Dialog *cfd __UNUSED__, Evas *evas, E_Config_Dialog_Data *cfdata)
{
   char buf[PATH_MAX];
   int error_length = 0;
   Evas_Object *o, *ob, *os;

   _fill_data(cfdata);

   o = e_widget_list_add(evas, 0, 0);

   ob = e_widget_label_add(evas, cfdata->label);
   e_widget_list_object_append(o, ob, 1, 1, 0.5);

   if (cfdata->error) error_length = cfdata->error->size;
   if (error_length)
     {
        os = _dialog_scrolltext_create(evas, _("Error Logs"),
                                       cfdata->error->lines);
        e_widget_list_object_append(o, os, 1, 1, 0.5);
     }
   else
     {
        ob = e_widget_label_add(evas, _("There was no error message."));
        e_widget_list_object_append(o, ob, 1, 1, 0.5);
     }

   ob = e_widget_button_add(evas, _("Save This Message"), "system-run",
                            _dialog_save_cb, NULL, cfdata);
   e_widget_list_object_append(o, ob, 0, 0, 0.5);

   if (cfdata->desktop)
     snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
              e_user_homedir_get(), cfdata->desktop->name);
   else
     snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
              e_user_homedir_get(), "Error");
   ob = e_widget_label_add(evas, buf);
   e_widget_list_object_append(o, ob, 1, 1, 0.5);

   return o;
}

static Evas_Object *
_advanced_create_widgets(E_Config_Dialog *cfd __UNUSED__, Evas *evas, E_Config_Dialog_Data *cfdata)
{
   char buf[PATH_MAX];
   int read_length = 0;
   int error_length = 0;
   Evas_Object *o, *of, *ob, *ot;

   _fill_data(cfdata);

   o = e_widget_list_add(evas, 0, 0);
   ot = e_widget_table_add(evas, 0);

   ob = e_widget_label_add(evas, cfdata->label);
   e_widget_list_object_append(o, ob, 1, 1, 0.5);

   if (cfdata->exit)
     {
        of = e_widget_framelist_add(evas, _("Error Information"), 0);
        ob = e_widget_label_add(evas, _(cfdata->exit));
        e_widget_framelist_object_append(of, ob);
        e_widget_list_object_append(o, of, 1, 1, 0.5);
     }

   if (cfdata->signal)
     {
        of = e_widget_framelist_add(evas, _("Error Signal Information"), 0);
        ob = e_widget_label_add(evas, _(cfdata->signal));
        e_widget_framelist_object_append(of, ob);
        e_widget_list_object_append(o, of, 1, 1, 0.5);
     }

   if (cfdata->read) read_length = cfdata->read->size;

   if (read_length)
     {
        of = _dialog_scrolltext_create(evas, _("Output Data"),
                                       cfdata->read->lines);
        /* FIXME: Add stdout "start". */
        /* FIXME: Add stdout "end". */
     }
   else
     {
        of = e_widget_framelist_add(evas, _("Output Data"), 0);
        ob = e_widget_label_add(evas, _("There was no output."));
        e_widget_framelist_object_append(of, ob);
     }
   e_widget_table_object_append(ot, of, 0, 0, 1, 1, 1, 1, 1, 1);

   if (cfdata->error) error_length = cfdata->error->size;
   if (error_length)
     {
        of = _dialog_scrolltext_create(evas, _("Error Logs"),
                                       cfdata->error->lines);
        /* FIXME: Add stderr "start". */
        /* FIXME: Add stderr "end". */
     }
   else
     {
        of = e_widget_framelist_add(evas, _("Error Logs"), 0);
        ob = e_widget_label_add(evas, _("There was no error message."));
        e_widget_framelist_object_append(of, ob);
     }
   e_widget_table_object_append(ot, of, 1, 0, 1, 1, 1, 1, 1, 1);

   e_widget_list_object_append(o, ot, 1, 1, 0.5);

   ob = e_widget_button_add(evas, _("Save This Message"), "system-run",
                            _dialog_save_cb, NULL, cfdata);
   e_widget_list_object_append(o, ob, 0, 0, 0.5);

   if (cfdata->desktop)
     snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
              e_user_homedir_get(), cfdata->desktop->name);
   else
     snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
              e_user_homedir_get(), "Error");
   ob = e_widget_label_add(evas, buf);
   e_widget_list_object_append(o, ob, 1, 1, 0.5);

   return o;
}

static void
_dialog_save_cb(void *data __UNUSED__, void *data2)
{
   E_Config_Dialog_Data *cfdata;
   FILE *f;
   char *text;
   char buf[1024];
   char buffer[4096];
   int read_length = 0;
   int i, tlen;

   cfdata = data2;

   if (cfdata->desktop)
     snprintf(buf, sizeof(buf), "%s/%s.log", e_user_homedir_get(),
              e_util_filename_escape(cfdata->desktop->name));
   else
     snprintf(buf, sizeof(buf), "%s/%s.log", e_user_homedir_get(),
              "Error");
   f = fopen(buf, "w");
   if (!f) return;

   if (cfdata->exit)
     {
        snprintf(buffer, sizeof(buffer), "Error Information:\n\t%s\n\n",
                 cfdata->exit);
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }
   if (cfdata->signal)
     {
        snprintf(buffer, sizeof(buffer), "Error Signal Information:\n\t%s\n\n",
                 cfdata->signal);
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }

   if (cfdata->read) read_length = cfdata->read->size;

   if (read_length)
     {
        tlen = 0;
        for (i = 0; cfdata->read->lines[i].line; i++)
          tlen += cfdata->read->lines[i].size + 2;
        text = alloca(tlen + 1);
        text[0] = 0;
        for (i = 0; cfdata->read->lines[i].line; i++)
          {
             strcat(text, "\t");
             strcat(text, cfdata->read->lines[i].line);
             strcat(text, "\n");
          }
        snprintf(buffer, sizeof(buffer), "Output Data:\n%s\n\n", text);
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }
   else
     {
        snprintf(buffer, sizeof(buffer), "Output Data:\n\tThere was no output\n\n");
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }

   /* Reusing this var */
   read_length = 0;
   if (cfdata->error) read_length = cfdata->error->size;

   if (read_length)
     {
        tlen = 0;
        for (i = 0; cfdata->error->lines[i].line; i++)
          tlen += cfdata->error->lines[i].size + 1;
        text = alloca(tlen + 1);
        text[0] = 0;
        for (i = 0; cfdata->error->lines[i].line; i++)
          {
             strcat(text, "\t");
             strcat(text, cfdata->error->lines[i].line);
             strcat(text, "\n");
          }
        snprintf(buffer, sizeof(buffer), "Error Logs:\n%s\n", text);
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }
   else
     {
        snprintf(buffer, sizeof(buffer), "Error Logs:\n\tThere was no error message\n");
        fwrite(buffer, sizeof(char), strlen(buffer), f);
     }

   fclose(f);
}