#include "e.h"

/* local subsystem functions */
static Eina_Bool _e_bindings_mapping_change_event_cb(void *data, int type, void *event);

static void _e_bindings_mouse_free(E_Binding_Mouse *bind);
static void _e_bindings_key_free(E_Binding_Key *bind);
static void _e_bindings_edge_free(E_Binding_Edge *bind);
static void _e_bindings_signal_free(E_Binding_Signal *bind);
static void _e_bindings_wheel_free(E_Binding_Wheel *bind);
static void _e_bindings_acpi_free(E_Binding_Acpi *bind);
static int _e_bindings_context_match(E_Binding_Context bctxt, E_Binding_Context ctxt);
static E_Binding_Modifier _e_bindings_modifiers(unsigned int modifiers);
static int _e_ecore_modifiers(E_Binding_Modifier modifiers);
static Eina_Bool _e_bindings_edge_cb_timer(void *data);

/* local subsystem globals */

static Ecore_Event_Handler *mapping_handler = NULL;

static Eina_List *mouse_bindings = NULL;
static Eina_List *key_bindings = NULL;
static Eina_List *edge_bindings = NULL;
static Eina_List *signal_bindings = NULL;
static Eina_List *wheel_bindings = NULL;
static Eina_List *acpi_bindings = NULL;
static int _e_bindings_mapping_change_enabled = 1;

typedef struct _E_Binding_Edge_Data E_Binding_Edge_Data;

struct _E_Binding_Edge_Data
{
   E_Binding_Edge    *bind;
   E_Event_Zone_Edge *ev;
   E_Action          *act;
   E_Object          *obj;
};

/* externally accessible functions */

EINTERN int
e_bindings_init(void)
{
   E_Config_Binding_Signal *ebs;
   E_Config_Binding_Mouse *ebm;
   E_Config_Binding_Wheel *ebw;
   E_Config_Binding_Edge *ebe;
   E_Config_Binding_Key *ebk;
   E_Config_Binding_Acpi *eba;
   Eina_List *l;

   mapping_handler = ecore_event_handler_add
      (ECORE_X_EVENT_MAPPING_CHANGE, _e_bindings_mapping_change_event_cb, NULL);

   EINA_LIST_FOREACH(e_config->mouse_bindings, l, ebm)
     e_bindings_mouse_add(ebm->context, ebm->button, ebm->modifiers,
                          ebm->any_mod, ebm->action, ebm->params);

   EINA_LIST_FOREACH(e_config->key_bindings, l, ebk)
     e_bindings_key_add(ebk->context, ebk->key, ebk->modifiers,
                        ebk->any_mod, ebk->action, ebk->params);

   EINA_LIST_FOREACH(e_config->edge_bindings, l, ebe)
     e_bindings_edge_add(ebe->context, ebe->edge, ebe->modifiers,
                         ebe->any_mod, ebe->action, ebe->params, ebe->delay);

   EINA_LIST_FOREACH(e_config->signal_bindings, l, ebs)
     {
        e_bindings_signal_add(ebs->context, ebs->signal, ebs->source, ebs->modifiers,
                              ebs->any_mod, ebs->action, ebs->params);
        /* FIXME: Can this be solved in a generic way? */
        /* FIXME: Only change cursor if action is allowed! */
        if ((ebs->action) && (ebs->signal) && (ebs->source) &&
            (!strcmp(ebs->action, "window_resize")) &&
            (!strncmp(ebs->signal, "mouse,down,", 11)) &&
            (!strncmp(ebs->source, "e.event.resize.", 15)))
          {
             char params[32];

             snprintf(params, sizeof(params), "resize_%s", ebs->params);
             e_bindings_signal_add(ebs->context, "mouse,in", ebs->source, ebs->modifiers,
                                   ebs->any_mod, "pointer_resize_push", params);
             e_bindings_signal_add(ebs->context, "mouse,out", ebs->source, ebs->modifiers,
                                   ebs->any_mod, "pointer_resize_pop", params);
          }
     }

   EINA_LIST_FOREACH(e_config->wheel_bindings, l, ebw)
     e_bindings_wheel_add(ebw->context, ebw->direction, ebw->z, ebw->modifiers,
                          ebw->any_mod, ebw->action, ebw->params);

   EINA_LIST_FOREACH(e_config->acpi_bindings, l, eba)
     e_bindings_acpi_add(eba->context, eba->type, eba->status,
                         eba->action, eba->params);

   return 1;
}

EINTERN int
e_bindings_shutdown(void)
{
   E_FREE_LIST(mouse_bindings, _e_bindings_mouse_free);
   E_FREE_LIST(key_bindings, _e_bindings_key_free);
   E_FREE_LIST(edge_bindings, _e_bindings_edge_free);
   E_FREE_LIST(signal_bindings, _e_bindings_signal_free);
   E_FREE_LIST(wheel_bindings, _e_bindings_wheel_free);
   E_FREE_LIST(acpi_bindings, _e_bindings_acpi_free);

   if (mapping_handler)
      {
         ecore_event_handler_del(mapping_handler);
         mapping_handler = NULL;
      }

   return 1;
}

EAPI void
e_bindings_mouse_add(E_Binding_Context ctxt, int button, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Mouse *binding;

   binding = calloc(1, sizeof(E_Binding_Mouse));
   binding->ctxt = ctxt;
   binding->button = button;
   binding->mod = mod;
   binding->any_mod = any_mod;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   mouse_bindings = eina_list_append(mouse_bindings, binding);
}

EAPI void
e_bindings_mouse_del(E_Binding_Context ctxt, int button, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Mouse *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(mouse_bindings, l, binding)
     {
        if ((binding->ctxt == ctxt) &&
            (binding->button == button) &&
            (binding->mod == mod) &&
            (binding->any_mod == any_mod) &&
            (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
             ((!binding->action) && (!action))) &&
            (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
             ((!binding->params) && (!params))))
          {
             _e_bindings_mouse_free(binding);
             mouse_bindings = eina_list_remove_list(mouse_bindings, l);
             break;
          }
     }
}

EAPI void
e_bindings_mouse_grab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Mouse *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(mouse_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             ecore_x_window_button_grab(win, binding->button,
                                        ECORE_X_EVENT_MASK_MOUSE_DOWN |
                                        ECORE_X_EVENT_MASK_MOUSE_UP |
                                        ECORE_X_EVENT_MASK_MOUSE_MOVE,
                                        _e_ecore_modifiers(binding->mod),
                                        binding->any_mod);
          }
     }
}

EAPI void
e_bindings_mouse_ungrab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Mouse *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(mouse_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             ecore_x_window_button_ungrab(win, binding->button,
                                          _e_ecore_modifiers(binding->mod), binding->any_mod);
          }
     }
}

EAPI E_Action *
e_bindings_mouse_down_find(E_Binding_Context ctxt, E_Object *obj __UNUSED__, Ecore_Event_Mouse_Button *ev, E_Binding_Mouse **bind_ret)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Mouse *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(mouse_bindings, l, binding)
     {
        if ((binding->button == (int) ev->buttons) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (bind_ret) *bind_ret = binding;
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_mouse_down_event_handle(E_Binding_Context ctxt, E_Object *obj, Ecore_Event_Mouse_Button *ev)
{
   E_Action *act;
   E_Binding_Mouse *binding;

   act = e_bindings_mouse_down_find(ctxt, obj, ev, &binding);
   if (act)
     {
        if (act->func.go_mouse)
          act->func.go_mouse(obj, binding->params, ev);
        else if (act->func.go)
          act->func.go(obj, binding->params);
        return act;
     }
   return act;
}

EAPI E_Action *
e_bindings_mouse_up_find(E_Binding_Context ctxt, E_Object *obj __UNUSED__, Ecore_Event_Mouse_Button *ev, E_Binding_Mouse **bind_ret)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Mouse *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(mouse_bindings, l, binding)
     {
        if ((binding->button == (int) ev->buttons) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (bind_ret) *bind_ret = binding;
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_mouse_up_event_handle(E_Binding_Context ctxt, E_Object *obj, Ecore_Event_Mouse_Button *ev)
{
   E_Action *act;
   E_Binding_Mouse *binding;

   act = e_bindings_mouse_up_find(ctxt, obj, ev, &binding);
   if (act)
     {
        if (act->func.end_mouse)
          act->func.end_mouse(obj, binding->params, ev);
        else if (act->func.end)
          act->func.end(obj, binding->params);
        return act;
     }
   return act;
}

EAPI void
e_bindings_key_add(E_Binding_Context ctxt, const char *key, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Key *binding;

   binding = calloc(1, sizeof(E_Binding_Key));
   binding->ctxt = ctxt;
   binding->key = eina_stringshare_add(key);
   binding->mod = mod;
   binding->any_mod = any_mod;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   key_bindings = eina_list_append(key_bindings, binding);
}

EAPI E_Binding_Key *
e_bindings_key_get(const char *action)
{
   E_Binding_Key *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if (binding->action && action && !strcmp(action, binding->action))
          return binding;
     }
   return NULL;
}

EAPI E_Binding_Key *
e_bindings_key_find(const char *key, E_Binding_Modifier mod, int any_mod)
{
   E_Binding_Key *binding;
   Eina_List *l;

   if (!key) return NULL;

   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->key) && (!strcmp(key, binding->key)) &&
            (binding->mod == mod) && (binding->any_mod == any_mod))
          return binding;
     }

   return NULL;
}

EAPI void
e_bindings_key_del(E_Binding_Context ctxt, const char *key, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Key *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->ctxt == ctxt) &&
            (key) && (binding->key) && (!strcmp(binding->key, key)) &&
            (binding->mod == mod) &&
            (binding->any_mod == any_mod) &&
            (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
             ((!binding->action) && (!action))) &&
            (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
             ((!binding->params) && (!params))))
          {
             _e_bindings_key_free(binding);
             key_bindings = eina_list_remove_list(key_bindings, l);
             break;
          }
     }
}

EAPI void
e_bindings_key_grab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Key *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             ecore_x_window_key_grab(win, binding->key,
                                     _e_ecore_modifiers(binding->mod), binding->any_mod);
          }
     }
}

EAPI void
e_bindings_key_ungrab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Key *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             ecore_x_window_key_ungrab(win, binding->key,
                                       _e_ecore_modifiers(binding->mod), binding->any_mod);
          }
     }
}

EAPI E_Action *
e_bindings_key_down_event_handle(E_Binding_Context ctxt, E_Object *obj, Ecore_Event_Key *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Key *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->key) && (!strcmp(binding->key, ev->keyname)) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (act)
                    {
                       if (act->func.go_key)
                         act->func.go_key(obj, binding->params, ev);
                       else if (act->func.go)
                         act->func.go(obj, binding->params);
                       return act;
                    }
                  return NULL;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_key_up_event_handle(E_Binding_Context ctxt, E_Object *obj, Ecore_Event_Key *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Key *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->key) && (!strcmp(binding->key, ev->keyname)) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (act)
                    {
                       if (act->func.end_key)
                         act->func.end_key(obj, binding->params, ev);
                       else if (act->func.end)
                         act->func.end(obj, binding->params);
                       return act;
                    }
                  return NULL;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_key_down_event_find(E_Binding_Context ctxt, Ecore_Event_Key *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Key *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->key) && (!strcmp(binding->key, ev->keyname)) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_key_up_event_find(E_Binding_Context ctxt, Ecore_Event_Key *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Key *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(key_bindings, l, binding)
     {
        if ((binding->key) && (!strcmp(binding->key, ev->keyname)) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  return act;
               }
          }
     }
   return NULL;
}

EAPI void
e_bindings_edge_add(E_Binding_Context ctxt, E_Zone_Edge edge, E_Binding_Modifier mod, int any_mod, const char *action, const char *params, float delay)
{
   E_Binding_Edge *binding;

   binding = calloc(1, sizeof(E_Binding_Edge));
   binding->ctxt = ctxt;
   binding->edge = edge;
   binding->mod = mod;
   binding->any_mod = any_mod;
   binding->delay = delay;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   edge_bindings = eina_list_append(edge_bindings, binding);

   e_zone_edge_new(edge);
}

EAPI Eina_Bool
e_bindings_edge_flippable_get(E_Zone_Edge edge)
{
   E_Binding_Edge *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if ((binding->edge == edge) && (binding->action))
          {
             if ((!strcmp(binding->action, "desk_flip_in_direction")) ||
                 (!strcmp(binding->action, "desk_flip_by")))
                return EINA_TRUE;
          }
     }
   return EINA_FALSE;
}

EAPI Eina_Bool
e_bindings_edge_non_flippable_get(E_Zone_Edge edge)
{
   E_Binding_Edge *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if ((binding->edge == edge) && (binding->action))
          {
             if ((!strcmp(binding->action, "desk_flip_in_direction")) ||
                 (!strcmp(binding->action, "desk_flip_by")))
                continue;
             return EINA_TRUE;
          }
     }
   return EINA_FALSE;
}

EAPI E_Binding_Edge *
e_bindings_edge_get(const char *action, E_Zone_Edge edge, int click)
{
   E_Binding_Edge *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if ((binding->edge == edge) &&
            ((click && (binding->delay == -1.0 * click))
             || (!click && (binding->delay >= 0.0))) &&
            (binding->action) && (action) &&
            (!strcmp(action, binding->action)))
          return binding;
     }
   return NULL;
}

EAPI void
e_bindings_edge_del(E_Binding_Context ctxt, E_Zone_Edge edge, E_Binding_Modifier mod, int any_mod, const char *action, const char *params, float delay)
{
   E_Binding_Edge *binding;
   Eina_List *l;
   int ref_count = 0;

   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if (binding->edge == edge)
          {
             if ((binding->ctxt == ctxt) &&
                 (binding->mod == mod) &&
                 ((binding->delay * 1000) == (delay * 1000)) &&
                 (binding->any_mod == any_mod) &&
                 (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
                  ((!binding->action) && (!action))) &&
                 (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
                  ((!binding->params) && (!params))))
               {
                  _e_bindings_edge_free(binding);
                  edge_bindings = eina_list_remove_list(edge_bindings, l);
               }
             else ref_count++;
          }
     }

   if (!ref_count)
     e_zone_edge_free(edge);
}

EAPI E_Action *
e_bindings_edge_in_event_handle(E_Binding_Context ctxt, E_Object *obj, E_Event_Zone_Edge *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Edge *binding;
   E_Desk *current = NULL;
   E_Action *act = NULL;
   Eina_List *l;

   current = e_desk_at_xy_get(ev->zone, ev->zone->desk_x_current, ev->zone->desk_y_current);
   if (current->fullscreen_borders && (!e_config->fullscreen_flip)) return NULL;

   if (ev->modifiers & ECORE_EVENT_MODIFIER_SHIFT) mod |= E_BINDING_MODIFIER_SHIFT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) mod |= E_BINDING_MODIFIER_CTRL;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_ALT) mod |= E_BINDING_MODIFIER_ALT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_WIN) mod |= E_BINDING_MODIFIER_WIN;
   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        /* A value of <= -1.0 for the delay indicates it as a mouse-click binding on that edge */
        if (((binding->edge == ev->edge)) && (binding->delay >= 0.0) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  act = e_action_find(binding->action);
                  if (act)
                    {
                       E_Binding_Edge_Data *ed = E_NEW(E_Binding_Edge_Data, 1);
                       E_Event_Zone_Edge *ev2 = E_NEW(E_Event_Zone_Edge, 1);

                       /* The original event will be freed before it can be
                        * used again */
                       ev2->zone  = ev->zone;
                       ev2->edge  = ev->edge;
                       ev2->x     = ev->x;
                       ev2->y     = ev->y;

                       ed->bind = binding;
                       ed->obj  = obj;
                       ed->act  = act;
                       ed->ev   = ev2;
                       binding->timer = ecore_timer_add(((double) binding->delay), _e_bindings_edge_cb_timer, ed);
                    }
               }
          }
     }
   return act;
}

EAPI E_Action *
e_bindings_edge_out_event_handle(E_Binding_Context ctxt, E_Object *obj, E_Event_Zone_Edge *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Edge *binding;
   E_Action *act = NULL;
   Eina_List *l;

   if (ev->modifiers & ECORE_EVENT_MODIFIER_SHIFT) mod |= E_BINDING_MODIFIER_SHIFT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) mod |= E_BINDING_MODIFIER_CTRL;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_ALT) mod |= E_BINDING_MODIFIER_ALT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_WIN) mod |= E_BINDING_MODIFIER_WIN;
   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        /* A value of <= -1.0 for the delay indicates it as a mouse-click binding on that edge */
        if ((binding->edge == ev->edge) && (binding->delay >= 0.0) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  if (binding->timer)
                    {
                       E_Binding_Edge_Data *ed;

                       ed = ecore_timer_del(binding->timer);
                       if (ed)
                         {
                            E_FREE(ed->ev);
                            E_FREE(ed);
                         }
                    }
                  binding->timer = NULL;

                  act = e_action_find(binding->action);
                  if (act && act->func.end)
                    act->func.end(obj, binding->params);
               }
          }
     }
   return act;
}

EAPI E_Action *
e_bindings_edge_down_event_handle(E_Binding_Context ctxt, E_Object *obj, E_Event_Zone_Edge *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Edge *binding;
   E_Desk *current = NULL;
   E_Action *act = NULL;
   Eina_List *l;

   current = e_desk_at_xy_get(ev->zone, ev->zone->desk_x_current, ev->zone->desk_y_current);
   if (current->fullscreen_borders && (!e_config->fullscreen_flip)) return NULL;

   if (ev->modifiers & ECORE_EVENT_MODIFIER_SHIFT) mod |= E_BINDING_MODIFIER_SHIFT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) mod |= E_BINDING_MODIFIER_CTRL;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_ALT) mod |= E_BINDING_MODIFIER_ALT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_WIN) mod |= E_BINDING_MODIFIER_WIN;
   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if (((binding->edge == ev->edge)) && (binding->delay == -1.0 * ev->button) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  act = e_action_find(binding->action);
                  if (act)
                    {
                       if (act->func.go_edge)
                         act->func.go_edge(obj, binding->params, ev);
                       else if (act->func.go)
                         act->func.go(obj, binding->params);
                    }
               }
          }
     }
   return act;
}

EAPI E_Action *
e_bindings_edge_up_event_handle(E_Binding_Context ctxt, E_Object *obj, E_Event_Zone_Edge *ev)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Edge *binding;
   E_Action *act = NULL;
   Eina_List *l;

   if (ev->modifiers & ECORE_EVENT_MODIFIER_SHIFT) mod |= E_BINDING_MODIFIER_SHIFT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) mod |= E_BINDING_MODIFIER_CTRL;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_ALT) mod |= E_BINDING_MODIFIER_ALT;
   if (ev->modifiers & ECORE_EVENT_MODIFIER_WIN) mod |= E_BINDING_MODIFIER_WIN;
   EINA_LIST_FOREACH(edge_bindings, l, binding)
     {
        if (((binding->edge == ev->edge)) && (binding->delay == -1.0 * ev->button) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  act = e_action_find(binding->action);
                  if (act && act->func.end)
                    act->func.end(obj, binding->params);
               }
          }
     }
   return act;
}

EAPI void
e_bindings_signal_add(E_Binding_Context ctxt, const char *sig, const char *src, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Signal *binding;

   binding = calloc(1, sizeof(E_Binding_Signal));
   binding->ctxt = ctxt;
   if (sig) binding->sig = eina_stringshare_add(sig);
   if (src) binding->src = eina_stringshare_add(src);
   binding->mod = mod;
   binding->any_mod = any_mod;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   signal_bindings = eina_list_append(signal_bindings, binding);
}

EAPI void
e_bindings_signal_del(E_Binding_Context ctxt, const char *sig, const char *src, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Signal *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(signal_bindings, l, binding)
     {
        if ((binding->ctxt == ctxt) &&
            (((binding->sig) && (sig) && (!strcmp(binding->sig, sig))) ||
             ((!binding->sig) && (!sig))) &&
            (((binding->src) && (src) && (!strcmp(binding->src, src))) ||
             ((!binding->src) && (!src))) &&
            (binding->mod == mod) &&
            (binding->any_mod == any_mod) &&
            (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
             ((!binding->action) && (!action))) &&
            (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
             ((!binding->params) && (!params))))
          {
             _e_bindings_signal_free(binding);
             signal_bindings = eina_list_remove_list(signal_bindings, l);
             break;
          }
     }
}

EAPI E_Action  *
e_bindings_signal_find(E_Binding_Context ctxt, E_Object *obj __UNUSED__, const char *sig, const char *src, E_Binding_Signal **bind_ret)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Signal *binding;
   Eina_List *l;

   if (strstr(sig, "MOD:Shift")) mod |= E_BINDING_MODIFIER_SHIFT;
   if (strstr(sig, "MOD:Control")) mod |= E_BINDING_MODIFIER_CTRL;
   if (strstr(sig, "MOD:Alt")) mod |= E_BINDING_MODIFIER_ALT;
   if (strstr(sig, "MOD:Super")) mod |= E_BINDING_MODIFIER_WIN;
   EINA_LIST_FOREACH(signal_bindings, l, binding)
     {
        if ((e_util_glob_match(sig, binding->sig)) &&
            (e_util_glob_match(src, binding->src)) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (bind_ret) *bind_ret = binding;
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_signal_handle(E_Binding_Context ctxt, E_Object *obj, const char *sig, const char *src)
{
   E_Action *act;
   E_Binding_Signal *binding;

   if (sig[0] == 0) sig = NULL;
   if (src[0] == 0) src = NULL;
   act = e_bindings_signal_find(ctxt, obj, sig, src, &binding);
   if (act)
     {
        if (act->func.go_signal)
          act->func.go_signal(obj, binding->params, sig, src);
        else if (act->func.go)
          act->func.go(obj, binding->params);
        return act;
     }
   return act;
}

EAPI void
e_bindings_wheel_add(E_Binding_Context ctxt, int direction, int z, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Wheel *binding;

   binding = calloc(1, sizeof(E_Binding_Wheel));
   binding->ctxt = ctxt;
   binding->direction = direction;
   binding->z = z;
   binding->mod = mod;
   binding->any_mod = any_mod;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   wheel_bindings = eina_list_append(wheel_bindings, binding);
}

EAPI void
e_bindings_wheel_del(E_Binding_Context ctxt, int direction, int z, E_Binding_Modifier mod, int any_mod, const char *action, const char *params)
{
   E_Binding_Wheel *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(wheel_bindings, l, binding)
     {
        if ((binding->ctxt == ctxt) &&
            (binding->direction == direction) &&
            (binding->z == z) &&
            (binding->mod == mod) &&
            (binding->any_mod == any_mod) &&
            (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
             ((!binding->action) && (!action))) &&
            (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
             ((!binding->params) && (!params))))
          {
             _e_bindings_wheel_free(binding);
             wheel_bindings = eina_list_remove_list(wheel_bindings, l);
             break;
          }
     }
}

EAPI void
e_bindings_wheel_grab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Wheel *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(wheel_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             int button = 0;

             if (binding->direction == 0)
               {
                  if (binding->z < 0) button = 4;
                  else if (binding->z > 0) button = 5;
               }
             else if (binding->direction == 1)
               {
                  if (binding->z < 0) button = 6;
                  else if (binding->z > 0) button = 7;
               }
             if (button != 0)
               ecore_x_window_button_grab(win, button,
                                          ECORE_X_EVENT_MASK_MOUSE_DOWN,
                                          _e_ecore_modifiers(binding->mod), binding->any_mod);
          }
     }
}

EAPI void
e_bindings_wheel_ungrab(E_Binding_Context ctxt, Ecore_X_Window win)
{
   E_Binding_Wheel *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(wheel_bindings, l, binding)
     {
        if (_e_bindings_context_match(binding->ctxt, ctxt))
          {
             int button = 0;

             if (binding->direction == 0)
               {
                  if (binding->z < 0) button = 4;
                  else if (binding->z > 0) button = 5;
               }
             else if (binding->direction == 1)
               {
                  if (binding->z < 0) button = 6;
                  else if (binding->z > 0) button = 7;
               }
             if (button != 0)
               ecore_x_window_button_ungrab(win, button,
                                            _e_ecore_modifiers(binding->mod), binding->any_mod);
          }
     }
}

EAPI E_Action *
e_bindings_wheel_find(E_Binding_Context ctxt, E_Object *obj __UNUSED__, Ecore_Event_Mouse_Wheel *ev, E_Binding_Wheel **bind_ret)
{
   E_Binding_Modifier mod = 0;
   E_Binding_Wheel *binding;
   Eina_List *l;

   mod = _e_bindings_modifiers(ev->modifiers);
   EINA_LIST_FOREACH(wheel_bindings, l, binding)
     {
        if ((binding->direction == ev->direction) &&
            (((binding->z < 0) && (ev->z < 0)) || ((binding->z > 0) && (ev->z > 0))) &&
            ((binding->any_mod) || (binding->mod == mod)))
          {
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (bind_ret) *bind_ret = binding;
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_wheel_event_handle(E_Binding_Context ctxt, E_Object *obj, Ecore_Event_Mouse_Wheel *ev)
{
   E_Action *act;
   E_Binding_Wheel *binding;

   act = e_bindings_wheel_find(ctxt, obj, ev, &binding);
   if (act)
     {
        if (act->func.go_wheel)
          act->func.go_wheel(obj, binding->params, ev);
        else if (act->func.go)
          act->func.go(obj, binding->params);
        return act;
     }
   return act;
}

EAPI void
e_bindings_acpi_add(E_Binding_Context ctxt, int type, int status, const char *action, const char *params)
{
   E_Binding_Acpi *binding;

   binding = E_NEW(E_Binding_Acpi, 1);
   binding->ctxt = ctxt;
   binding->type = type;
   binding->status = status;
   if (action) binding->action = eina_stringshare_add(action);
   if (params) binding->params = eina_stringshare_add(params);
   acpi_bindings = eina_list_append(acpi_bindings, binding);
}

EAPI void
e_bindings_acpi_del(E_Binding_Context ctxt, int type, int status, const char *action, const char *params)
{
   E_Binding_Acpi *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(acpi_bindings, l, binding)
     {
        if ((binding->ctxt == ctxt) &&
            (binding->type == type) && (binding->status == status) &&
            (((binding->action) && (action) && (!strcmp(binding->action, action))) ||
             ((!binding->action) && (!action))) &&
            (((binding->params) && (params) && (!strcmp(binding->params, params))) ||
             ((!binding->params) && (!params))))
          {
             _e_bindings_acpi_free(binding);
             acpi_bindings = eina_list_remove_list(acpi_bindings, l);
             break;
          }
     }
}

EAPI E_Action *
e_bindings_acpi_find(E_Binding_Context ctxt, E_Object *obj __UNUSED__, E_Event_Acpi *ev, E_Binding_Acpi **bind_ret)
{
   E_Binding_Acpi *binding;
   Eina_List *l;

   EINA_LIST_FOREACH(acpi_bindings, l, binding)
     {
        if (binding->type == ev->type)
          {
             /* if binding status is -1, then we don't compare event status */
             if (binding->status != -1)
               {
                  /* binding status is set to something, compare event status */
                  if (binding->status != ev->status) continue;
               }
             if (_e_bindings_context_match(binding->ctxt, ctxt))
               {
                  E_Action *act;

                  act = e_action_find(binding->action);
                  if (bind_ret) *bind_ret = binding;
                  return act;
               }
          }
     }
   return NULL;
}

EAPI E_Action *
e_bindings_acpi_event_handle(E_Binding_Context ctxt, E_Object *obj, E_Event_Acpi *ev)
{
   E_Action *act;
   E_Binding_Acpi *binding;

   act = e_bindings_acpi_find(ctxt, obj, ev, &binding);
   if (act)
     {
        if (act->func.go_acpi)
          act->func.go_acpi(obj, binding->params, ev);
        else if (act->func.go)
          act->func.go(obj, binding->params);
        return act;
     }
   return act;
}

EAPI void
e_bindings_mapping_change_enable(Eina_Bool enable)
{
   if (enable)
     _e_bindings_mapping_change_enabled++;
   else
     _e_bindings_mapping_change_enabled--;
   if (_e_bindings_mapping_change_enabled < 0)
     _e_bindings_mapping_change_enabled = 0;
}

/* local subsystem functions */
static Eina_Bool
_e_bindings_mapping_change_event_cb(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
{
  if (!_e_bindings_mapping_change_enabled) return ECORE_CALLBACK_RENEW;
  e_managers_keys_ungrab();
  e_border_button_bindings_ungrab_all();
  e_border_button_bindings_grab_all();
  e_managers_keys_grab();
  return ECORE_CALLBACK_PASS_ON;
}

static void
_e_bindings_mouse_free(E_Binding_Mouse *binding)
{
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   free(binding);
}

static void
_e_bindings_key_free(E_Binding_Key *binding)
{
   if (binding->key) eina_stringshare_del(binding->key);
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   free(binding);
}

static void
_e_bindings_edge_free(E_Binding_Edge *binding)
{
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   if (binding->timer)
     {
        E_Binding_Edge_Data *ed;

        ed = ecore_timer_del(binding->timer);
        E_FREE(ed);
     }
   free(binding);
}

static void
_e_bindings_signal_free(E_Binding_Signal *binding)
{
   if (binding->sig) eina_stringshare_del(binding->sig);
   if (binding->src) eina_stringshare_del(binding->src);
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   free(binding);
}

static void
_e_bindings_wheel_free(E_Binding_Wheel *binding)
{
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   free(binding);
}

static void
_e_bindings_acpi_free(E_Binding_Acpi *binding)
{
   if (binding->action) eina_stringshare_del(binding->action);
   if (binding->params) eina_stringshare_del(binding->params);
   E_FREE(binding);
}

static int
_e_bindings_context_match(E_Binding_Context bctxt, E_Binding_Context ctxt)
{
   if (bctxt == E_BINDING_CONTEXT_ANY &&
       !(ctxt == E_BINDING_CONTEXT_ZONE)) return 1;
   if (ctxt == E_BINDING_CONTEXT_UNKNOWN) return 0;
   if (bctxt == ctxt) return 1;
   return 0;
}

static E_Binding_Modifier
_e_bindings_modifiers(unsigned int modifiers)
{
   E_Binding_Modifier mod = 0;

   if (modifiers & ECORE_EVENT_MODIFIER_SHIFT) mod |= E_BINDING_MODIFIER_SHIFT;
   if (modifiers & ECORE_EVENT_MODIFIER_CTRL) mod |= E_BINDING_MODIFIER_CTRL;
   if (modifiers & ECORE_EVENT_MODIFIER_ALT) mod |= E_BINDING_MODIFIER_ALT;
   if (modifiers & ECORE_EVENT_MODIFIER_WIN) mod |= E_BINDING_MODIFIER_WIN;
   /* FIXME: there is a good reason numlock was ignored. sometimes people
    * have it on, sometimes they don't, and often they have no idea. waaaay
    * back in E 0.1->0.13 or so days this caused issues thus numlock,
    * scrollock and capslock are not usable modifiers.
    *
    * if we REALLY want to be able to use numlock we need to add more binding
    * flags and config that says "REALLY pay attention to numlock for this
    * binding" field in the binding (like there is a "any_mod" flag - we need a
    * "num_lock_respect" field)
    *
    * also it should be an E_BINDING_MODIFIER_LOCK_NUM as the ecore lock flag
    * may vary from system to system as different xservers may have differing
    * modifier masks for numlock (it is queried at startup).
    *
   if (ev->modifiers & ECORE_X_LOCK_NUM) mod |= ECORE_X_LOCK_NUM;
    */

   return mod;
}

static int
_e_ecore_modifiers(E_Binding_Modifier modifiers)
{
   int mod = 0;

   if (modifiers & E_BINDING_MODIFIER_SHIFT) mod |= ECORE_EVENT_MODIFIER_SHIFT;
   if (modifiers & E_BINDING_MODIFIER_CTRL) mod |= ECORE_EVENT_MODIFIER_CTRL;
   if (modifiers & E_BINDING_MODIFIER_ALT) mod |= ECORE_EVENT_MODIFIER_ALT;
   if (modifiers & E_BINDING_MODIFIER_WIN) mod |= ECORE_EVENT_MODIFIER_WIN;
   /* see comment in e_bindings on numlock
      if (modifiers & ECORE_X_LOCK_NUM) mod |= ECORE_X_LOCK_NUM;
   */

   return mod;
}

static Eina_Bool
_e_bindings_edge_cb_timer(void *data)
{
   E_Binding_Edge_Data *ed;
   E_Event_Zone_Edge *ev;
   E_Binding_Edge *binding;
   E_Action *act;
   E_Object *obj;

   ed = data;
   binding = ed->bind;
   act = ed->act;
   obj = ed->obj;
   ev = ed->ev;

   E_FREE(ed);

   if (act->func.go_edge)
     act->func.go_edge(obj, binding->params, ev);
   else if (act->func.go)
     act->func.go(obj, binding->params);

   binding->timer = NULL;

   /* Duplicate event */
   E_FREE(ev);

   return ECORE_CALLBACK_CANCEL;
}