#include "config.h"
#include "evisum_config.h"

#include "ui.h"
#include "ui/ui_process_list.h"
#include "ui/ui_process_view.h"

#include <stdio.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <pwd.h>

#define PROGRESS_CUSTOM_FORMAT 0
#define DIRTY_GENLIST_HACK     1

extern int EVISUM_EVENT_CONFIG_CHANGED;

typedef struct
{
   Sort_Type type;
   int       (*sort_cb)(const void *p1, const void *p2);
} Sorter;

typedef struct
{
   Ecore_Thread          *thread;
   Evisum_Ui_Cache       *cache;
   Ecore_Event_Handler   *handler[2];
   Eina_Bool              skip_wait;

   Sorter                 sorters[SORT_BY_MAX];
   Eina_Hash             *cpu_times;

   Ui                    *ui;

   Ecore_Timer           *resize_timer;

   Evas_Object           *win;
   Evas_Object           *main_menu;
   Evas_Object           *menu;

   pid_t                  selected_pid;
   char                   search[16];
   int                    search_len;

   Ecore_Timer           *timer_search;
   Evas_Object           *entry_pop;
   Evas_Object           *entry;
   Eina_Bool              entry_visible;

   Evas_Object           *scroller;
   Evas_Object           *genlist;
   Elm_Genlist_Item_Class itc;

   Evas_Object            *btn_menu;

   Evas_Object            *btn_pid;
   Evas_Object            *btn_uid;
   Evas_Object            *btn_cmd;
   Evas_Object            *btn_pri;
   Evas_Object            *btn_nice;
   Evas_Object            *btn_size;
   Evas_Object            *btn_rss;
   Evas_Object            *btn_state;
   Evas_Object            *btn_threads;
   Evas_Object            *btn_cpu_n;
   Evas_Object            *btn_cpu_usage;
} Ui_Data;

#define PAD_W 2

static Ui_Data *_pd = NULL;

#if PROGRESS_CUSTOM_FORMAT

static double _cpu_usage = 0.0;

#endif

static int
_sort_by_pid(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->pid - inf2->pid;
}

static int
_sort_by_uid(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->uid - inf2->uid;
}

static int
_sort_by_nice(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->nice - inf2->nice;
}

static int
_sort_by_pri(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->priority - inf2->priority;
}

static int
_sort_by_cpu(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->cpu_id - inf2->cpu_id;
}

static int
_sort_by_threads(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return inf1->numthreads - inf2->numthreads;
}

static int
_sort_by_size(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;
   int64_t size1, size2;

   inf1 = p1; inf2 = p2;

   size1 = inf1->mem_size;
   size2 = inf2->mem_size;

   if (size1 > size2)
     return 1;
   if (size1 < size2)
     return -1;

   return 0;
}

static int
_sort_by_rss(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;
   int64_t size1, size2;

   inf1 = p1; inf2 = p2;

   size1 = inf1->mem_rss;
   size2 = inf2->mem_rss;

   if (size1 > size2)
     return 1;
   if (size1 < size2)
     return -1;

   return 0;
}

static int
_sort_by_cpu_usage(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;
   double one, two;

   inf1 = p1; inf2 = p2;

   one = inf1->cpu_usage;
   two = inf2->cpu_usage;

   if (one > two)
     return 1;
   else if (one < two)
     return -1;
   else return 0;
}

static int
_sort_by_cmd(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return strcasecmp(inf1->command, inf2->command);
}

static int
_sort_by_state(const void *p1, const void *p2)
{
   const Proc_Info *inf1, *inf2;

   inf1 = p1; inf2 = p2;

   return strcmp(inf1->state, inf2->state);
}

static void
_item_unrealized_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Evas_Object *o;
   Ui_Data *pd;
   Eina_List *contents = NULL;

   pd = data;

   elm_genlist_item_all_contents_unset(event_info, &contents);

   EINA_LIST_FREE(contents, o)
     {
        if (!evisum_ui_item_cache_item_release(pd->cache, o))
          {
             evas_object_del(o);
          }
     }
}

static void
_item_del(void *data, Evas_Object *obj EINA_UNUSED)
{
   Proc_Info *proc = data;
   proc_info_free(proc);
}

static Evas_Object *
_item_column_add(Evas_Object *tbl, const char *text, int col)
{
   Evas_Object *rec, *lb;

   lb = elm_label_add(tbl);
   evas_object_data_set(tbl, text, lb);
   evas_object_size_hint_align_set(lb, FILL, FILL);
   evas_object_size_hint_weight_set(lb, EXPAND, EXPAND);
   evas_object_show(lb);

   rec = evas_object_rectangle_add(tbl);
   evas_object_data_set(lb, "rec", rec);

   elm_table_pack(tbl, rec, col, 0, 1, 1);
   elm_table_pack(tbl, lb, col, 0, 1, 1);

   return lb;
}

#if PROGRESS_CUSTOM_FORMAT
static char *
_pb_format_cb(double val)
{
   static char buf[32];

   snprintf(buf, sizeof(buf), "%1.1f %%", _cpu_usage);

   return strdup(buf);
}

static void
_pb_format_free_cb(char *str)
{
   free(str);
}
#endif

static Evas_Object *
_item_create(Evas_Object *parent)
{
   Evas_Object *obj, *tbl, *lb, *ic, *rec;
   Evas_Object *hbx, *pb;
   int i = 0;

   obj = parent;

   tbl = elm_table_add(obj);
   evas_object_size_hint_align_set(tbl, FILL, 0);
   evas_object_size_hint_weight_set(tbl, EXPAND, EXPAND);

   hbx = elm_box_add(tbl);
   elm_box_horizontal_set(hbx, 1);
   evas_object_size_hint_align_set(hbx, 0.0, FILL);
   evas_object_size_hint_weight_set(hbx, EXPAND, EXPAND);
   evas_object_show(hbx);

   ic = elm_icon_add(tbl);
   evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
   evas_object_size_hint_align_set(ic, FILL, FILL);
   evas_object_size_hint_min_set(ic, ELM_SCALE_SIZE(16), ELM_SCALE_SIZE(16));
   evas_object_size_hint_max_set(ic, ELM_SCALE_SIZE(16), ELM_SCALE_SIZE(16));
   evas_object_show(ic);
   evas_object_data_set(tbl, "icon", ic);
   elm_box_pack_end(hbx, ic);
   elm_table_pack(tbl, hbx, i, 0, 1, 1);

   rec = evas_object_rectangle_add(tbl);
   evas_object_size_hint_min_set(rec, 6, 1);
   elm_box_pack_end(hbx, rec);

   rec = evas_object_rectangle_add(tbl);
   evas_object_data_set(ic, "rec", rec);
   elm_table_pack(tbl, rec, i++, 0, 1, 1);

   lb = elm_label_add(tbl);
   evas_object_size_hint_weight_set(lb, 0, EXPAND);
   evas_object_data_set(tbl, "proc_cmd", lb);
   evas_object_data_set(lb, "hbx", hbx);
   evas_object_show(lb);
   elm_box_pack_end(hbx, lb);

   rec = evas_object_rectangle_add(tbl);
   evas_object_size_hint_min_set(rec, 4, 1);
   elm_box_pack_end(hbx, rec);

   lb = _item_column_add(tbl, "proc_pid", i++);
   evas_object_size_hint_align_set(lb, 0.0, FILL);
   lb = _item_column_add(tbl, "proc_prio", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_nice", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb =_item_column_add(tbl, "proc_uid", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_size", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_rss", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_threads", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_cpuid", i++);
   evas_object_size_hint_align_set(lb, 1.0, FILL);
   lb = _item_column_add(tbl, "proc_state", i++);
   evas_object_size_hint_align_set(lb, 0.5, FILL);

   pb = elm_progressbar_add(hbx);
   evas_object_size_hint_weight_set(pb, EXPAND, EXPAND);
   evas_object_size_hint_align_set(pb, FILL, FILL);
   elm_progressbar_unit_format_set(pb, "%1.1f %%");
#if PROGRESS_CUSTOM_FORMAT
   elm_progressbar_unit_format_function_set(pb, _pb_format_cb, _pb_format_free_cb);
#endif
   elm_table_pack(tbl, pb, i++, 0, 1, 1);
   evas_object_data_set(tbl, "proc_cpu_usage", pb);

   return tbl;
}

static Evas_Object *
_content_get(void *data, Evas_Object *obj, const char *source)
{
   Proc_Info *proc;
   struct passwd *pwd_entry;
   Evas_Object *rec, *lb, *o, *hbx, *pb;
   char buf[128];
   Evas_Coord w, ow;
   Ui_Data *pd = _pd;

   proc = (void *) data;

   if (strcmp(source, "elm.swallow.content")) return NULL;
   if (!proc) return NULL;

   Item_Cache *it = evisum_ui_item_cache_item_get(pd->cache);
   if (!it)
     {
        fprintf(stderr, "Error: Object cache creation failed.\n");
        exit(-1);
     }

   evas_object_geometry_get(pd->btn_pid, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_pid");
   snprintf(buf, sizeof(buf), "%d", proc->pid);
   if (strcmp(buf, elm_object_text_get(lb)))
     {
        elm_object_text_set(lb, buf);
        evas_object_geometry_get(lb, NULL, NULL, &ow, NULL);
        if (ow > w)
          {
             evas_object_size_hint_min_set(pd->btn_pid, w, 1);
          }
     }
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_pri, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_prio");
   snprintf(buf, sizeof(buf), "%d", proc->priority);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_nice, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_nice");
   snprintf(buf, sizeof(buf), "%d", proc->nice);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_uid, NULL, NULL, &w, NULL);
   w += PAD_W;
   lb = evas_object_data_get(it->obj, "proc_uid");
   pwd_entry = getpwuid(proc->uid);
   if (pwd_entry)
     snprintf(buf, sizeof(buf), "%s", pwd_entry->pw_name);
   else
     snprintf(buf, sizeof(buf), "%i", proc->uid);
   if (strcmp(buf, elm_object_text_get(lb)))
     {
        elm_object_text_set(lb, buf);
        evas_object_geometry_get(lb, NULL, NULL, &ow, NULL);
        if (ow > w)
          {
             evas_object_size_hint_min_set(pd->btn_uid, w, 1);
          }
     }
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_size, NULL, NULL, &w, NULL);
   w += PAD_W;
   lb = evas_object_data_get(it->obj, "proc_size");
   snprintf(buf, sizeof(buf), "%s", evisum_size_format(proc->mem_size));
   if (strcmp(buf, elm_object_text_get(lb)))
     {
        elm_object_text_set(lb, buf);
        evas_object_geometry_get(lb, NULL, NULL, &ow, NULL);
        if (ow > w)
          {
             evas_object_size_hint_min_set(pd->btn_size, w, 1);
          }
     }
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_rss, NULL, NULL, &w, NULL);
   w += PAD_W;
   lb = evas_object_data_get(it->obj, "proc_rss");
   snprintf(buf, sizeof(buf), "%s", evisum_size_format(proc->mem_rss));
   if (strcmp(buf, elm_object_text_get(lb)))
     {
        elm_object_text_set(lb, buf);
        evas_object_geometry_get(lb, NULL, NULL, &ow, NULL);
        if (ow > w)
          {
             evas_object_size_hint_min_set(pd->btn_rss, w, 1);
          }
     }
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_menu, NULL, NULL, &ow, NULL);
   evas_object_geometry_get(pd->btn_cmd, NULL, NULL, &w, NULL);
   w += ow;
   lb = evas_object_data_get(it->obj, "proc_cmd");
   snprintf(buf, sizeof(buf), "%s", proc->command);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   hbx = evas_object_data_get(lb, "hbx");
   evas_object_geometry_get(hbx, NULL, NULL, &ow, NULL);
   if (ow > w)
     {
        evas_object_size_hint_min_set(pd->btn_cmd, w, 1);
     }
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);
   elm_box_recalculate(hbx);

   o = evas_object_data_get(it->obj, "icon");
   const char *new = evisum_icon_path_get(evisum_icon_cache_find(proc));
   const char *old = NULL;
   elm_image_file_get(o, &old, NULL);
   if (!old || strcmp(old, new))
     elm_icon_standard_set(o, new);
   rec = evas_object_data_get(o, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(o);

   evas_object_geometry_get(pd->btn_cpu_n, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_cpuid");
   snprintf(buf, sizeof(buf), "%d", proc->cpu_id);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_threads, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_threads");
   snprintf(buf, sizeof(buf), "%d", proc->numthreads);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   evas_object_geometry_get(pd->btn_state, NULL, NULL, &w, NULL);
   lb = evas_object_data_get(it->obj, "proc_state");
   snprintf(buf, sizeof(buf), "%s", proc->state);
   if (strcmp(buf, elm_object_text_get(lb)))
     elm_object_text_set(lb, buf);
   rec = evas_object_data_get(lb, "rec");
   evas_object_size_hint_min_set(rec, w, 1);
   evas_object_show(lb);

   pb = evas_object_data_get(it->obj, "proc_cpu_usage");
#if PROGRESS_CUSTOM_FORMAT
   _cpu_usage = proc->cpu_usage;
#endif
   double value = proc->cpu_usage / 100.0;
   double last = elm_progressbar_value_get(pb);
   if (!EINA_DBL_EQ(value, last))
     elm_progressbar_value_set(pb, proc->cpu_usage / 100.0);
   evas_object_show(pb);

   return it->obj;
}

static void
_genlist_ensure_n_items(Evas_Object *genlist, unsigned int items,
                        Elm_Genlist_Item_Class *itc)
{
   Elm_Object_Item *it;
   unsigned int i, existing = elm_genlist_items_count(genlist);

   if (items < existing)
     {
        for (i = existing - items; i > 0; i--)
           {
              it = elm_genlist_last_item_get(genlist);
              if (it)
                {
                   elm_object_item_del(it);
                }
           }
      }

   if (items == existing) return;

   for (i = existing; i < items; i++)
     {
        elm_genlist_item_append(genlist, itc, NULL, NULL,
                                ELM_GENLIST_ITEM_NONE, NULL, NULL);
     }
}

static Eina_Bool
_show_items(void *data)
{
   Ui_Data *pd = data;

   evas_object_show(pd->genlist);
   elm_genlist_realized_items_update(pd->genlist);

   return EINA_FALSE;
}

static Eina_Bool
_bring_in(void *data)
{
   Ui_Data *pd;
   int h_page, v_page;

   pd = data;
   elm_scroller_gravity_set(pd->scroller, 0.0, 0.0);
   elm_scroller_last_page_get(pd->scroller, &h_page, &v_page);
   elm_scroller_page_bring_in(pd->scroller, h_page, v_page);

   ecore_timer_add(2.0, _show_items, pd);

   return EINA_FALSE;
}

static void
_process_list_cancel_cb(void *data, Ecore_Thread *thread)
{
   Ui_Data *pd = data;

   (void) pd;
}

static Eina_List *
_process_list_sort(Eina_List *list, Ui_Data *pd)
{
   Ui *ui;
   Sorter s;
   ui = pd->ui;

   s = pd->sorters[ui->proc.sort_type];

   list = eina_list_sort(list, eina_list_count(list), s.sort_cb);

   if (ui->proc.sort_reverse)
     list = eina_list_reverse(list);

   return list;
}

static Eina_List *
_process_list_uid_trim(Eina_List *list, uid_t uid)
{
   Proc_Info *proc;
   Eina_List *l, *l_next;

   EINA_LIST_FOREACH_SAFE(list, l, l_next, proc)
     {
        if (proc->uid != uid)
          {
             proc_info_free(proc);
             list = eina_list_remove_list(list, l);
          }
     }

   return list;
}

static void
_cpu_times_free_cb(void *data)
{
   int64_t *cpu_time = data;
   free(cpu_time);
}

static Eina_List *
_process_list_search_trim(Eina_List *list, Ui_Data *pd)
{
   Ui *ui;
   Eina_List *l, *l_next;
   Proc_Info *proc;
   int64_t id;

   ui = pd->ui;

   EINA_LIST_FOREACH_SAFE(list, l, l_next, proc)
     {
        if ((pd->search_len && (strncasecmp(proc->command, pd->search, pd->search_len))) ||
            (proc->pid == ui->program_pid))
         {
            proc_info_free(proc);
            list = eina_list_remove_list(list, l);
         }
        else
         {
            int64_t *cpu_time;

            id = proc->pid;
            if (!(cpu_time = eina_hash_find(pd->cpu_times, &id)))
              {
                 cpu_time = malloc(sizeof(int64_t));
                 *cpu_time = proc->cpu_time;
                 eina_hash_add(pd->cpu_times, &id, cpu_time);
              }
            else
              {
                  if (*cpu_time)
                    proc->cpu_usage = (double) (proc->cpu_time - *cpu_time) /
                                                pd->ui->proc.poll_delay;
                 *cpu_time = proc->cpu_time;
              }
         }
     }

    return list;
}

static Eina_List *
_process_list_get(Ui_Data *pd)
{
   Eina_List *list;
   Ui *ui;

   ui = pd->ui;

   list = proc_info_all_get();

   if (ui->proc.show_user)
     list = _process_list_uid_trim(list, getuid());

   list = _process_list_search_trim(list, pd);
   list = _process_list_sort(list, pd);

   return list;
}

static void
_process_list(void *data, Ecore_Thread *thread)
{
   Ui_Data *pd;
   Eina_List *list;
   Ui *ui;
   Proc_Info *proc;
   int i, delay = 1;

   pd = data;
   ui = pd->ui;

   while (!ecore_thread_check(thread))
     {
        for (i = 0; i < delay * 8; i++)
          {
             if (ecore_thread_check(thread)) return;

             if (pd->skip_wait)
               {
                  pd->skip_wait = 0;
                  break;
               }
             usleep(125000);
          }
        list = _process_list_get(pd);
        if (!pd->skip_wait)
          ecore_thread_feedback(thread, list);
        else
          {
             EINA_LIST_FREE(list, proc)
               proc_info_free(proc);
          }

        delay = ui->proc.poll_delay;
     }
}

static void
_process_list_feedback_cb(void *data, Ecore_Thread *thread EINA_UNUSED,
                          void *msg EINA_UNUSED)
{
   Ui_Data *pd;
   Eina_List *list;
   Proc_Info *proc;
   Elm_Object_Item *it;

   pd = data;
   list = msg;

   _genlist_ensure_n_items(pd->genlist, eina_list_count(list), &pd->itc);

   it = elm_genlist_first_item_get(pd->genlist);
   EINA_LIST_FREE(list, proc)
     {
        if (!it)
          proc_info_free(proc);
        else
          {
             Proc_Info *prev = elm_object_item_data_get(it);
             if (prev)
               proc_info_free(prev);

             elm_object_item_data_set(it, proc);

             it = elm_genlist_item_next_get(it);
          }
     }

   elm_genlist_realized_items_update(pd->genlist);

#if DIRTY_GENLIST_HACK
   Eina_List *real = elm_genlist_realized_items_get(pd->genlist);
   int n = eina_list_count(pd->cache->active);
   if (n > eina_list_count(real) * 2)
     {
        evisum_ui_item_cache_steal(pd->cache, real);
        pd->skip_wait = 1;
     }
   eina_list_free(real);
#endif

#if 0
   printf("active %d and inactive %d\n",
           eina_list_count(pd->cache->active),
           eina_list_count(pd->cache->inactive));
#endif
}

static void
_process_list_update(Ui_Data *pd)
{
   pd->skip_wait = 1;
}

static void
_btn_icon_state_update(Evas_Object *btn, Eina_Bool reverse)
{
   Evas_Object *icon = elm_icon_add(btn);

   if (reverse)
     elm_icon_standard_set(icon, evisum_icon_path_get("go-down"));
   else
     elm_icon_standard_set(icon, evisum_icon_path_get("go-up"));

   elm_object_part_content_set(btn, "icon", icon);
   evas_object_show(icon);
}

static void
_btn_icon_state_init(Evas_Object *btn, Eina_Bool reverse,
                     Eina_Bool selected EINA_UNUSED)
{
   Evas_Object *icon = elm_icon_add(btn);

   if (reverse)
     elm_icon_standard_set(icon, evisum_icon_path_get("go-down"));
   else
     elm_icon_standard_set(icon, evisum_icon_path_get("go-up"));

   elm_object_part_content_set(btn, "icon", icon);
   evas_object_show(icon);
}

static void
_btn_clicked_state_save(Ui_Data *pd, Evas_Object *btn)
{
   Ui *ui = pd->ui;

   _btn_icon_state_update(btn, ui->proc.sort_reverse);

   _process_list_update(pd);

   elm_scroller_page_bring_in(pd->scroller, 0, 0);
}

static void
_btn_pid_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_PID)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_PID;
   _btn_clicked_state_save(pd, pd->btn_pid);
}

static void
_btn_uid_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_UID)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_UID;
   _btn_clicked_state_save(pd, pd->btn_uid);
}

static void
_btn_cpu_usage_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                          void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_CPU_USAGE)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_CPU_USAGE;
   _btn_clicked_state_save(pd, pd->btn_cpu_usage);
}

static void
_btn_size_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                     void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_SIZE)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_SIZE;
   _btn_clicked_state_save(pd, pd->btn_size);
}

static void
_btn_pri_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_PRI)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_PRI;
   _btn_clicked_state_save(pd, pd->btn_pri);
}

static void
_btn_nice_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_NICE)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_NICE;
   _btn_clicked_state_save(pd, pd->btn_nice);
}

static void
_btn_rss_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_RSS)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_RSS;
   _btn_clicked_state_save(pd, pd->btn_rss);
}

static void
_btn_cmd_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_CMD)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_CMD;
   _btn_clicked_state_save(pd, pd->btn_cmd);
}

static void
_btn_cpu_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_CPU)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_CPU;
   _btn_clicked_state_save(pd, pd->btn_cpu_n);
}

static void
_btn_threads_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                        void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_THREADS)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_THREADS;
   _btn_clicked_state_save(pd, pd->btn_threads);
}

static void
_btn_state_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED,
                      void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   Ui *ui = pd->ui;

   if (ui->proc.sort_type == SORT_BY_STATE)
     ui->proc.sort_reverse = !ui->proc.sort_reverse;
   ui->proc.sort_type = SORT_BY_STATE;
   _btn_clicked_state_save(pd, pd->btn_state);
}

static void
_item_menu_dismissed_cb(void *data EINA_UNUSED, Evas_Object *obj,
                        void *ev EINA_UNUSED)
{
   Ui_Data *pd = data;

   evas_object_del(obj);

   pd->menu = NULL;
}

static void
_item_menu_start_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   kill(pd->selected_pid, SIGCONT);
}

static void
_item_menu_stop_cb(void *data, Evas_Object *obj EINA_UNUSED,
                   void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   kill(pd->selected_pid, SIGSTOP);
}

static void
_item_menu_kill_cb(void *data, Evas_Object *obj EINA_UNUSED,
                   void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   kill(pd->selected_pid, SIGKILL);
}

static void
_item_menu_cancel_cb(void *data, Evas_Object *obj EINA_UNUSED,
                     void *event_info EINA_UNUSED)
{
   Ui_Data *pd = data;
   elm_menu_close(pd->menu);
   pd->menu = NULL;
}

static void
_item_menu_debug_cb(void *data, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
{
   Proc_Info *proc;
   const char *terminal = "xterm";
   Ui_Data *pd = data;

   _item_menu_cancel_cb(pd, NULL, NULL);

   proc = proc_info_by_pid(pd->selected_pid);
   if (!proc) return;

   if (ecore_file_app_installed("terminology"))
     terminal = "terminology";

   ecore_exe_run(eina_slstr_printf("%s -e gdb attach %d", terminal, proc->pid),
                 NULL);

   proc_info_free(proc);
}

static void
_item_menu_actions_add(Evas_Object *menu, Elm_Object_Item *menu_it, Ui_Data *pd)
{
   elm_menu_item_add(menu, menu_it, evisum_icon_path_get("bug"),
                     _("Debug"), _item_menu_debug_cb, pd);
}

static void
_process_win_add(Evas_Object *parent, int pid, int delay)
{
   Proc_Info *proc;

   proc = proc_info_by_pid(pid);
   if (!proc) return;

   ui_process_win_add(parent, proc->pid, proc->command, delay);

   proc_info_free(proc);
}

static void
_item_menu_properties_cb(void *data, Evas_Object *obj EINA_UNUSED,
                         void *event_info EINA_UNUSED)
{
   Ui *ui;
   Ui_Data *pd = data;

   ui = pd->ui;

   _item_menu_cancel_cb(pd, NULL, NULL);

   _process_win_add(pd->win, pd->selected_pid, ui->proc.poll_delay);
}

static Evas_Object *
_item_menu_create(Ui_Data *pd, Proc_Info *proc)
{
   Elm_Object_Item *menu_it, *menu_it2;
   Evas_Object *menu;
   Eina_Bool stopped;

   if (!proc) return NULL;

   pd->selected_pid = proc->pid;

   pd->menu = menu = elm_menu_add(pd->win);
   if (!menu) return NULL;

   evas_object_smart_callback_add(menu, "dismissed",
                                  _item_menu_dismissed_cb, pd);

   stopped = !(!strcmp(proc->state, "stop"));

   menu_it = elm_menu_item_add(menu, NULL,
                               evisum_icon_path_get(evisum_icon_cache_find(proc)),
                               proc->command, NULL, NULL);

   menu_it2 = elm_menu_item_add(menu, menu_it, evisum_icon_path_get("window"),
                                _("Actions"), NULL, NULL);
   _item_menu_actions_add(menu, menu_it2, pd);
   elm_menu_item_separator_add(menu, menu_it);

   menu_it2 = elm_menu_item_add(menu, menu_it, evisum_icon_path_get("start"),
                                _("Start"), _item_menu_start_cb, pd);

   elm_object_item_disabled_set(menu_it2, stopped);
   menu_it2 = elm_menu_item_add(menu, menu_it, evisum_icon_path_get("stop"),
                                _("Stop"), _item_menu_stop_cb, pd);

   elm_object_item_disabled_set(menu_it2, !stopped);
   elm_menu_item_add(menu, menu_it, evisum_icon_path_get("kill"), "Kill",
                     _item_menu_kill_cb, pd);

   elm_menu_item_separator_add(menu, menu_it);
   menu_it2 = elm_menu_item_add(menu, menu_it, evisum_icon_path_get("info"),
                                _("Properties"), _item_menu_properties_cb, pd);

   elm_menu_item_separator_add(menu, menu_it);
   elm_menu_item_add(menu, menu_it, evisum_icon_path_get("cancel"),
                     _("Cancel"), _item_menu_cancel_cb, pd);

   return menu;
}

static void
_item_pid_secondary_clicked_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED,
                               Evas_Object *obj, void *event_info)
{
   Evas_Object *menu;
   Evas_Event_Mouse_Up *ev;
   Ui_Data *pd;
   Elm_Object_Item *it;
   Proc_Info *proc;

   ev = event_info;
   if (ev->button != 3) return;

   it = elm_genlist_at_xy_item_get(obj, ev->output.x, ev->output.y, NULL);
   proc = elm_object_item_data_get(it);
   if (!proc) return;

   pd = data;

   menu = _item_menu_create(pd, proc);
   if (!menu) return;

   elm_menu_move(menu, ev->canvas.x, ev->canvas.y);
   evas_object_show(menu);
}

static void
_item_pid_clicked_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   Ui *ui;
   Elm_Object_Item *it;
   Proc_Info *proc;
   Ui_Data *pd = data;

   ui = pd->ui;
   it = event_info;

   elm_genlist_item_selected_set(it, EINA_FALSE);
   if (pd->menu) return;

   proc = elm_object_item_data_get(it);
   if (!proc) return;

   pd->selected_pid = proc->pid;
   ui_process_win_add(pd->win, proc->pid, proc->command,
                      ui->proc.poll_delay);
}

static void
_main_menu_dismissed_cb(void *data, Evas_Object *obj EINA_UNUSED,
                        void *ev EINA_UNUSED)
{
   Ui_Data *pd = data;

   elm_ctxpopup_dismiss(pd->main_menu);
   evas_object_del(pd->main_menu);

   pd->main_menu = NULL;
}

static Evas_Object *
_btn_create(Evas_Object *parent, const char *icon, const char *text, void *cb,
            void *data)
{
   Evas_Object *btn, *ic;

   btn = elm_button_add(parent);
   evas_object_size_hint_weight_set(btn, 0, EXPAND);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   evas_object_show(btn);

   ic = elm_icon_add(btn);
   elm_icon_standard_set(ic, evisum_icon_path_get(icon));
   evas_object_size_hint_min_set(ic, ELM_SCALE_SIZE(16), 1);
   elm_object_part_content_set(btn, "icon", ic);
   evas_object_show(ic);

   elm_object_tooltip_text_set(btn, text);
   evas_object_smart_callback_add(btn, "clicked", cb, data);

   return btn;
}

static void
_btn_menu_clicked_cb(void *data, Evas_Object *obj,
                     void *event_info EINA_UNUSED)
{
   Ui_Data *pd;
   Ui *ui;

   pd = data;
   ui = pd->ui;

   if (!pd->main_menu)
     pd->main_menu = evisum_ui_main_menu_create(ui, ui->proc.win, obj);
   else
     _main_menu_dismissed_cb(pd, NULL, NULL);
}

static Evas_Object *
_ui_content_system_add(Ui_Data *pd, Evas_Object *parent)
{
   Evas_Object *bx, *fr, *tbl, *btn, *glist;
   Ui *ui = pd->ui;
   int i = 0;

   bx = elm_box_add(parent);
   evas_object_size_hint_weight_set(bx, EXPAND, 0);
   evas_object_size_hint_align_set(bx, FILL, FILL);
   evas_object_show(bx);

   tbl = elm_table_add(parent);
   evas_object_size_hint_weight_set(tbl, EXPAND, EXPAND);
   evas_object_size_hint_align_set(tbl, FILL, FILL);
   evas_object_show(tbl);
   elm_table_padding_set(tbl, PAD_W, 0);

   pd->btn_menu = btn = _btn_create(tbl, "menu", _("Menu"),
                                    _btn_menu_clicked_cb, pd);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);

   pd->btn_cmd = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_CMD ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_CMD);
   evas_object_size_hint_weight_set(btn, 1.0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("command"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_cmd_clicked_cb, pd);

   pd->btn_pid = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_PID ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_PID);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("pid"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_pid_clicked_cb, pd);

   pd->btn_pri = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_PRI ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_PRI);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("prio"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_pri_clicked_cb, pd);

   pd->btn_nice = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_NICE ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_NICE);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("nice"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_nice_clicked_cb, pd);

   pd->btn_uid = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_UID ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_UID);
   evas_object_size_hint_weight_set(btn, 1.0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("user"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_uid_clicked_cb, pd);

   pd->btn_size = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_SIZE ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_SIZE);
   evas_object_size_hint_weight_set(btn, 1.0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("size"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_size_clicked_cb, pd);

   pd->btn_rss = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_RSS ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_RSS);
   evas_object_size_hint_weight_set(btn, 1.0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("res"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_rss_clicked_cb, pd);

   pd->btn_threads = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_STATE ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_STATE);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("thr"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_threads_clicked_cb, pd);

   pd->btn_cpu_n = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_CPU ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_CPU);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("cpu"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_cpu_clicked_cb, pd);

   pd->btn_state = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_STATE ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_STATE);
   evas_object_size_hint_weight_set(btn, 0, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("state"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_state_clicked_cb, pd);

   pd->btn_cpu_usage = btn = elm_button_add(parent);
   _btn_icon_state_init(btn,
            (ui->proc.sort_type == SORT_BY_CPU_USAGE ?
            ui->proc.sort_reverse : EINA_FALSE),
            ui->proc.sort_type == SORT_BY_CPU_USAGE);
   evas_object_size_hint_weight_set(btn, EXPAND, 0);
   evas_object_size_hint_align_set(btn, FILL, FILL);
   elm_object_text_set(btn, _("cpu %"));
   evas_object_show(btn);
   elm_table_pack(tbl, btn, i++, 1, 1, 1);
   evas_object_smart_callback_add(btn, "clicked",
                                  _btn_cpu_usage_clicked_cb, pd);

   pd->scroller = pd->genlist = glist = elm_genlist_add(parent);
   elm_genlist_homogeneous_set(glist, 1);
   elm_scroller_gravity_set(pd->scroller, 0.0, 1.0);
   elm_object_focus_allow_set(glist, 1);
   elm_scroller_policy_set(pd->scroller, ELM_SCROLLER_POLICY_OFF,
                           ELM_SCROLLER_POLICY_OFF);
   elm_genlist_multi_select_set(glist, EINA_FALSE);
   evas_object_size_hint_weight_set(glist, EXPAND, EXPAND);
   evas_object_size_hint_align_set(glist, FILL, FILL);
   evas_object_show(glist);
   elm_table_pack(tbl, glist, 0, 2, i, 1);

   pd->itc.item_style = "full";
   pd->itc.func.text_get = NULL;
   pd->itc.func.content_get = _content_get;
   pd->itc.func.filter_get = NULL;
   pd->itc.func.del = _item_del;

   evas_object_smart_callback_add(pd->genlist, "selected",
                                  _item_pid_clicked_cb, pd);
   evas_object_event_callback_add(pd->genlist, EVAS_CALLBACK_MOUSE_UP,
                                  _item_pid_secondary_clicked_cb, pd);
   evas_object_smart_callback_add(pd->genlist, "unrealized",
                                  _item_unrealized_cb, pd);
   elm_box_pack_end(bx, tbl);

   fr = elm_frame_add(parent);
   evas_object_size_hint_weight_set(fr, EXPAND, EXPAND);
   evas_object_size_hint_align_set(fr, FILL, FILL);
   elm_object_style_set(fr, "pad_small");
   evas_object_show(fr);
   elm_object_content_set(fr, bx);

   ecore_timer_add(2.0, _bring_in, pd);

   return fr;
}

static Eina_Bool
_search_empty(void *data)
{
   Ui_Data *pd = data;

   if (!pd->search_len)
     {
        evas_object_lower(pd->entry_pop);
        pd->entry_visible = 0;
        pd->timer_search = NULL;
        return EINA_FALSE;
     }

   return EINA_TRUE;
}

static void
_search_add(Ui_Data *pd)
{
   Evas_Object *tbl, *tbl2, *rec, *entry;

   pd->entry_pop = tbl = elm_table_add(pd->win);
   evas_object_lower(tbl);

   rec = evas_object_rectangle_add(evas_object_evas_get(pd->win));
   evas_object_color_set(rec, 0, 0, 0, 128);
   evas_object_size_hint_min_set(rec, ELM_SCALE_SIZE(220), ELM_SCALE_SIZE(128));
   evas_object_size_hint_max_set(rec, ELM_SCALE_SIZE(220), ELM_SCALE_SIZE(128));
   evas_object_show(rec);
   elm_table_pack(tbl, rec, 0, 0, 1, 1);

   tbl2 = elm_table_add(pd->win);
   evas_object_show(tbl2);

   pd->entry = entry = elm_entry_add(tbl2);
   evas_object_size_hint_weight_set(entry, EXPAND, EXPAND);
   evas_object_size_hint_align_set(entry, 0, FILL);
   elm_entry_single_line_set(entry, 1);
   elm_entry_scrollable_set(entry, 0);
   elm_entry_editable_set(entry, 1);
   elm_object_focus_allow_set(entry, 0);
   evas_object_show(entry);

   rec = evas_object_rectangle_add(evas_object_evas_get(tbl2));
   evas_object_size_hint_min_set(rec, ELM_SCALE_SIZE(192), 1);
   evas_object_size_hint_max_set(rec, ELM_SCALE_SIZE(192), -1);
   elm_table_pack(tbl2, rec, 0, 0, 1, 1);
   elm_table_pack(tbl2, entry, 0, 0, 1, 1);

   elm_table_pack(tbl, tbl2, 0, 0, 1, 1);
}

static void
_win_key_down_search(Ui_Data *pd, Evas_Event_Key_Down *ev)
{
   Evas_Object *entry;
   Evas_Coord w, h;

   entry = pd->entry;

   if (!strcmp(ev->keyname, "Escape"))
     {
        elm_object_text_set(entry, "");
        pd->skip_wait = 0;
        evas_object_lower(pd->entry_pop);
        pd->search_len = 0;
        for (int i = 0; i < sizeof(pd->search); i++)
          pd->search[i] = '\0';
        pd->entry_visible = 0;
     }
   else if (!strcmp(ev->keyname, "BackSpace"))
     {
         if (pd->search_len)
           {
              pd->search[--pd->search_len] = '\0';
              elm_object_text_set(entry, pd->search);
              elm_entry_cursor_pos_set(entry, pd->search_len - 1);
           }

         if (pd->search_len == 0 && !pd->timer_search)
           pd->timer_search = ecore_timer_add(2.0, _search_empty, pd);
     }
   else if (ev->string)
     {
        size_t len = strlen(ev->string);
        if (pd->search_len + len > (sizeof(pd->search) - 1)) return;
        if (isspace(ev->string[0])) return;

        for (int i = 0; i < len; i++)
          pd->search[pd->search_len++] = ev->string[i];
        elm_object_text_set(entry, pd->search);
        evas_object_geometry_get(pd->win, NULL, NULL, &w, &h);
        evas_object_move(pd->entry_pop, w / 2, h / 2);
        evas_object_raise(pd->entry_pop);
        evas_object_show(pd->entry_pop);
        pd->entry_visible = 1;
     }
}

static void
_win_key_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Key_Down *ev;
   Ui_Data *pd;
   Evas_Coord x, y, w, h;

   pd = data;
   ev = event_info;

   if (!ev || !ev->keyname)
     return;

   elm_scroller_region_get(pd->scroller, &x, &y, &w, &h);

   if (!strcmp(ev->keyname, "Escape") && !pd->entry_visible)
     {
        evas_object_del(pd->win);
        return;
     }
   else if (!strcmp(ev->keyname, "Prior"))
     elm_scroller_region_bring_in(pd->scroller, x, y - h, w, h);
   else if (!strcmp(ev->keyname, "Next"))
     elm_scroller_region_bring_in(pd->scroller, x, y + h, w, h);
   else
     _win_key_down_search(pd, ev);

   pd->skip_wait = 1;
}

static Eina_Bool
_resize_cb(void *data)
{
   Ui_Data *pd = data;

   pd->skip_wait = 0;
   pd->resize_timer = NULL;

   return EINA_FALSE;
}

static void
_win_resize_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Ui_Data *pd;
   Ui *ui;

   pd = data;
   ui = pd->ui;

   elm_genlist_realized_items_update(pd->genlist);

   pd->skip_wait = 1;

   if (pd->resize_timer)
     ecore_timer_reset(pd->resize_timer);
   else pd->resize_timer = ecore_timer_add(0.2, _resize_cb, pd);

   evas_object_lower(pd->entry_pop);
   if (pd->main_menu)
     _main_menu_dismissed_cb(pd, NULL, NULL);

   evas_object_geometry_get(obj, NULL, NULL,
                            &ui->proc.width, &ui->proc.height);
}

static Eina_Bool
_evisum_config_changed_cb(void *data, int type EINA_UNUSED, void *event EINA_UNUSED)
{
   Eina_Iterator *it;
   Ui_Data *pd = data;
   void *d = NULL;

   it = eina_hash_iterator_data_new(pd->cpu_times);
   while (eina_iterator_next(it, &d))
     {
       int64_t *t = d;
       *t = 0;
     }

   eina_iterator_free(it);

   return EINA_TRUE;
}

static void
_win_move_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   Ui_Data *pd;
   Ui *ui;

   pd = data;
   ui = pd->ui;

   evas_object_geometry_get(obj, &ui->proc.x, &ui->proc.y, NULL, NULL);
}

static void
_win_del_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
            void *event_info EINA_UNUSED)
{
   Ui *ui;
   Ui_Data *pd = data;

   ui = pd->ui;

   evisum_ui_config_save(ui);

   if (pd->timer_search)
     ecore_timer_del(pd->timer_search);

   if (pd->thread)
     ecore_thread_cancel(pd->thread);

   if (pd->thread)
     ecore_thread_wait(pd->thread, 0.5);

   ecore_event_handler_del(pd->handler[0]);

   pd->thread = NULL;
   ui->proc.win = NULL;

   if (pd->cache)
     evisum_ui_item_cache_free(pd->cache);

   eina_hash_free(pd->cpu_times);

   free(pd);
}

static void
_init(Ui_Data *pd)
{
   pd->sorters[SORT_BY_NONE].sort_cb = _sort_by_pid;
   pd->sorters[SORT_BY_PID].sort_cb = _sort_by_pid;
   pd->sorters[SORT_BY_UID].sort_cb = _sort_by_uid;
   pd->sorters[SORT_BY_NICE].sort_cb = _sort_by_nice;
   pd->sorters[SORT_BY_PRI].sort_cb = _sort_by_pri;
   pd->sorters[SORT_BY_CPU].sort_cb = _sort_by_cpu;
   pd->sorters[SORT_BY_THREADS].sort_cb = _sort_by_threads;
   pd->sorters[SORT_BY_SIZE].sort_cb = _sort_by_size;
   pd->sorters[SORT_BY_RSS].sort_cb = _sort_by_rss;
   pd->sorters[SORT_BY_CMD].sort_cb = _sort_by_cmd;
   pd->sorters[SORT_BY_STATE].sort_cb = _sort_by_state;
   pd->sorters[SORT_BY_CPU_USAGE].sort_cb = _sort_by_cpu_usage;
}

void
ui_process_list_win_add(Ui *ui)
{
   Evas_Object *win, *icon;
   Evas_Object *obj;

   if (ui->proc.win)
     {
        elm_win_raise(ui->proc.win);
        return;
     }

   Ui_Data *pd = _pd = calloc(1, sizeof(Ui_Data));
   if (!pd) return;

   pd->selected_pid = -1;
   pd->ui = ui;
   pd->handler[0] = ecore_event_handler_add(EVISUM_EVENT_CONFIG_CHANGED,
                                            _evisum_config_changed_cb, pd);
   _init(pd);

   ui->proc.win = pd->win = win = elm_win_util_standard_add("evisum", "evisum");
   elm_win_autodel_set(win, EINA_TRUE);
   elm_win_title_set(win, _("Process Explorer"));
   icon = elm_icon_add(win);
   elm_icon_standard_set(icon, "evisum");
   elm_win_icon_object_set(win, icon);
   evisum_ui_background_add(win, evisum_ui_backgrounds_enabled_get());

   if (ui->proc.width > 1 && ui->proc.height > 1)
     evas_object_resize(win, ui->proc.width, ui->proc.height);
   else
     evas_object_resize(win, EVISUM_WIN_WIDTH * elm_config_scale_get(),
                        EVISUM_WIN_HEIGHT * elm_config_scale_get());

   if (ui->proc.x > 0 && ui->proc.y > 0)
     evas_object_move(win, ui->proc.x, ui->proc.y);
   else
     elm_win_center(win, 1, 1);

   obj = _ui_content_system_add(pd, win);
   elm_object_content_set(win, obj);
   _search_add(pd);

   pd->cache = evisum_ui_item_cache_new(pd->genlist, _item_create, 50);
   pd->cpu_times = eina_hash_int64_new(_cpu_times_free_cb);

   evas_object_event_callback_add(win, EVAS_CALLBACK_DEL,
                                  _win_del_cb, pd);
   evas_object_event_callback_add(win, EVAS_CALLBACK_RESIZE,
                                  _win_resize_cb, pd);
   evas_object_event_callback_add(win, EVAS_CALLBACK_MOVE,
                                  _win_move_cb, pd);
   evas_object_event_callback_add(obj, EVAS_CALLBACK_KEY_DOWN,
                                  _win_key_down_cb, pd);
   evas_object_show(win);

   pd->thread = ecore_thread_feedback_run(_process_list,
                                          _process_list_feedback_cb,
                                          _process_list_cancel_cb,
                                          NULL, pd, EINA_FALSE);
}