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e_mod_main.c

/*
 * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
 */
#include "e.h"
#include "e_mod_main.h"

/* TODO:
 * - Track execution status
 */

/* gadcon requirements */
static E_Gadcon_Client *_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style);
static void _gc_shutdown(E_Gadcon_Client *gcc);
static void _gc_orient(E_Gadcon_Client *gcc);
static char *_gc_label(void);
static Evas_Object *_gc_icon(Evas *evas);
static const char *_gc_id_new(void);
static void _gc_id_del(const char *id);

/* and actually define the gadcon class that this module provides (just 1) */
static const E_Gadcon_Client_Class _gadcon_class =
{
   GADCON_CLIENT_CLASS_VERSION,
     "ibar",
     {
        _gc_init, _gc_shutdown, _gc_orient, _gc_label, _gc_icon, _gc_id_new, _gc_id_del
     },
   E_GADCON_CLIENT_STYLE_INSET
};

/* actual module specifics */
typedef struct _Instance  Instance;

typedef struct _IBar      IBar;
typedef struct _IBar_Icon IBar_Icon;

struct _Instance
{
   E_Gadcon_Client *gcc;
   Evas_Object     *o_ibar;
   IBar            *ibar;
   E_Drop_Handler  *drop_handler;
   Config_Item     *ci;
};

struct _IBar
{
   Instance       *inst;
   Evas_Object    *o_box;
   Evas_Object    *o_drop;
   Evas_Object    *o_drop_over;
   Evas_Object    *o_empty;
   IBar_Icon      *ic_drop_before;
   int             drop_before;
   E_Order        *apps;
   Evas_List      *icons;
   Evas_Coord        dnd_x, dnd_y;
};

struct _IBar_Icon
{
   IBar           *ibar;
   Evas_Object    *o_holder;
   Evas_Object    *o_icon;
   Evas_Object    *o_holder2;
   Evas_Object    *o_icon2;
   Efreet_Desktop *app;
   int             mouse_down;
   struct {
      unsigned char  start : 1;
      unsigned char  dnd : 1;
      int            x, y;
   } drag;
};

static IBar *_ibar_new(Evas *evas, Instance *inst);
static void _ibar_free(IBar *b);
static void _ibar_cb_empty_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_empty_handle(IBar *b);
static void _ibar_fill(IBar *b);
static void _ibar_empty(IBar *b);
static void _ibar_orient_set(IBar *b, int horizontal);
static void _ibar_resize_handle(IBar *b);
static void _ibar_instance_drop_zone_recalc(Instance *inst);
static Config_Item *_ibar_config_item_get(const char *id);
static IBar_Icon *_ibar_icon_at_coord(IBar *b, Evas_Coord x, Evas_Coord y);
static IBar_Icon *_ibar_icon_new(IBar *b, Efreet_Desktop *desktop);
static void _ibar_icon_free(IBar_Icon *ic);
static void _ibar_icon_fill(IBar_Icon *ic);
static void _ibar_icon_empty(IBar_Icon *ic);
static void _ibar_icon_signal_emit(IBar_Icon *ic, char *sig, char *src);
static void _ibar_cb_app_change(void *data, E_Order *eo);
static void _ibar_cb_obj_moveresize(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_menu_icon_new(void *data, E_Menu *m, E_Menu_Item *mi);
static void _ibar_cb_menu_icon_add(void *data, E_Menu *m, E_Menu_Item *mi);
static void _ibar_cb_menu_icon_properties(void *data, E_Menu *m, E_Menu_Item *mi);
static void _ibar_cb_menu_icon_remove(void *data, E_Menu *m, E_Menu_Item *mi);
static void _ibar_cb_menu_configuration(void *data, E_Menu *m, E_Menu_Item *mi);
static void _ibar_cb_menu_post(void *data, E_Menu *m);
static void _ibar_cb_icon_mouse_in(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_mouse_out(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_cb_icon_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ibar_inst_cb_enter(void *data, const char *type, void *event_info);
static void _ibar_inst_cb_move(void *data, const char *type, void *event_info);
static void _ibar_inst_cb_leave(void *data, const char *type, void *event_info);
static void _ibar_inst_cb_drop(void *data, const char *type, void *event_info);
static void _ibar_drop_position_update(Instance *inst, Evas_Coord x, Evas_Coord y);
static void _ibar_inst_cb_scroll(void *data);

static int  _ibar_cb_config_icon_theme(void *data, int ev_type, void *ev);

static E_Config_DD *conf_edd = NULL;
static E_Config_DD *conf_item_edd = NULL;

static int uuid = 0;

Config *ibar_config = NULL;

static E_Gadcon_Client *
_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style)
{
   IBar *b;
   Evas_Object *o;
   E_Gadcon_Client *gcc;
   Instance *inst;
   Evas_Coord x, y, w, h;
   const char *drop[] = { "enlightenment/desktop", "enlightenment/border", "text/uri-list" };
   Config_Item *ci;
   
   inst = E_NEW(Instance, 1);

   ci = _ibar_config_item_get(id);
   inst->ci = ci;
   if (!ci->dir) ci->dir = evas_stringshare_add("default");
   b = _ibar_new(gc->evas, inst);
   o = b->o_box;
   gcc = e_gadcon_client_new(gc, name, id, style, o);
   gcc->data = inst;
   
   inst->gcc = gcc;
   inst->o_ibar = o;
   
   evas_object_geometry_get(o, &x, &y, &w, &h);
   inst->drop_handler =
     e_drop_handler_add(E_OBJECT(inst->gcc), inst,
                  _ibar_inst_cb_enter, _ibar_inst_cb_move,
                  _ibar_inst_cb_leave, _ibar_inst_cb_drop,
                  drop, 3, x, y, w,  h);
   evas_object_event_callback_add(o, EVAS_CALLBACK_MOVE,
                          _ibar_cb_obj_moveresize, inst);
   evas_object_event_callback_add(o, EVAS_CALLBACK_RESIZE,
                          _ibar_cb_obj_moveresize, inst);
   ibar_config->instances = evas_list_append(ibar_config->instances, inst);
   return gcc;
}

static void
_gc_shutdown(E_Gadcon_Client *gcc)
{
   Instance *inst;
   
   inst = gcc->data;
   ibar_config->instances = evas_list_remove(ibar_config->instances, inst);
   e_drop_handler_del(inst->drop_handler);
   _ibar_free(inst->ibar);
   free(inst);
}

static void
_gc_orient(E_Gadcon_Client *gcc)
{
   Instance *inst;
   
   inst = gcc->data;
   switch (gcc->gadcon->orient)
     {
      case E_GADCON_ORIENT_FLOAT:
      case E_GADCON_ORIENT_HORIZ:
      case E_GADCON_ORIENT_TOP:
      case E_GADCON_ORIENT_BOTTOM:
      case E_GADCON_ORIENT_CORNER_TL:
      case E_GADCON_ORIENT_CORNER_TR:
      case E_GADCON_ORIENT_CORNER_BL:
      case E_GADCON_ORIENT_CORNER_BR:
      _ibar_orient_set(inst->ibar, 1);
      e_gadcon_client_aspect_set(gcc, evas_list_count(inst->ibar->icons) * 16, 16);
      break;
      case E_GADCON_ORIENT_VERT:
      case E_GADCON_ORIENT_LEFT:
      case E_GADCON_ORIENT_RIGHT:
      case E_GADCON_ORIENT_CORNER_LT:
      case E_GADCON_ORIENT_CORNER_RT:
      case E_GADCON_ORIENT_CORNER_LB:
      case E_GADCON_ORIENT_CORNER_RB:
      _ibar_orient_set(inst->ibar, 0);
      e_gadcon_client_aspect_set(gcc, 16, evas_list_count(inst->ibar->icons) * 16);
      break;
      default:
      break;
     }
   e_gadcon_client_min_size_set(gcc, 16, 16);
}

static char *
_gc_label(void)
{
   return _("IBar");
}

static Evas_Object *
_gc_icon(Evas *evas)
{
   Evas_Object *o;
   char buf[4096];
   
   o = edje_object_add(evas);
   snprintf(buf, sizeof(buf), "%s/e-module-ibar.edj",
          e_module_dir_get(ibar_config->module));
   edje_object_file_set(o, buf, "icon");
   return o;
}

static const char *
_gc_id_new(void)
{
   Config_Item *ci;

   ci = _ibar_config_item_get(NULL);
   return ci->id;
}

static void
_gc_id_del(const char *id)
{
   Config_Item *ci;

   ci = _ibar_config_item_get(id);
   if (ci)
     {
      if (ci->id) evas_stringshare_del(ci->id);
      ibar_config->items = evas_list_remove(ibar_config->items, ci);
     }
}

/**/
/***************************************************************************/

/***************************************************************************/
/**/

static IBar *
_ibar_new(Evas *evas, Instance *inst)
{
   IBar *b;
   char buf[4096];
   
   b = E_NEW(IBar, 1);
   inst->ibar = b;
   b->inst = inst;
   b->o_box = e_box_add(evas);
   e_box_homogenous_set(b->o_box, 1);
   e_box_orientation_set(b->o_box, 1);
   e_box_align_set(b->o_box, 0.5, 0.5);
   if (inst->ci->dir[0] != '/')
     {
      const char *homedir;

      homedir = e_user_homedir_get();
      snprintf(buf, sizeof(buf), "%s/.e/e/applications/bar/%s/.order", homedir, inst->ci->dir);
     }
   else
     snprintf(buf, sizeof(buf), inst->ci->dir);
   b->apps = e_order_new(buf);
   e_order_update_callback_set(b->apps, _ibar_cb_app_change, b);
   _ibar_fill(b);
   return b;
}

static void
_ibar_free(IBar *b)
{
   _ibar_empty(b);
   evas_object_del(b->o_box);
   if (b->o_drop) evas_object_del(b->o_drop);
   if (b->o_drop_over) evas_object_del(b->o_drop_over);
   if (b->o_empty) evas_object_del(b->o_empty);
   e_order_update_callback_set(b->apps, NULL, NULL);
   if (b->apps) e_object_del(E_OBJECT(b->apps));
   free(b);
}

static void
_ibar_cb_empty_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Down *ev;
   IBar *b;
   
   ev = event_info;
   b = data;
   if (!ibar_config->menu)
     {
      E_Menu *mn;
      E_Menu_Item *mi;
      int cx, cy, cw, ch;
      
      mn = e_menu_new();
      e_menu_post_deactivate_callback_set(mn, _ibar_cb_menu_post, NULL);
      ibar_config->menu = mn;

      mi = e_menu_item_new(mn);
      e_menu_item_label_set(mi, _("Configuration"));
      e_util_menu_item_edje_icon_set(mi, "enlightenment/configuration");
      e_menu_item_callback_set(mi, _ibar_cb_menu_configuration, b);

      mi = e_menu_item_new(mn);
      e_menu_item_separator_set(mi, 1);
      
      e_gadcon_client_util_menu_items_append(b->inst->gcc, mn, 0);
      
      e_gadcon_canvas_zone_geometry_get(b->inst->gcc->gadcon,
                                &cx, &cy, &cw, &ch);
      e_menu_activate_mouse(mn,
                        e_util_zone_current_get(e_manager_current_get()),
                        cx + ev->output.x, cy + ev->output.y, 1, 1,
                        E_MENU_POP_DIRECTION_DOWN, ev->timestamp);
      e_util_evas_fake_mouse_up_later(b->inst->gcc->gadcon->evas,
                              ev->button);
     }
}

static void
_ibar_empty_handle(IBar *b)
{
   if (!b->icons)
     {
      if (!b->o_empty)
        {
           Evas_Coord w, h;
           
           b->o_empty = evas_object_rectangle_add(evas_object_evas_get(b->o_box));
           evas_object_event_callback_add(b->o_empty, EVAS_CALLBACK_MOUSE_DOWN, _ibar_cb_empty_mouse_down, b);
           evas_object_color_set(b->o_empty, 0, 0, 0, 0);
           evas_object_show(b->o_empty);
           e_box_pack_end(b->o_box, b->o_empty);
           evas_object_geometry_get(b->o_box, NULL, NULL, &w, &h);
           if (e_box_orientation_get(b->o_box))
             w = h;
           else
             h = w;
           e_box_pack_options_set(b->o_empty,
                            1, 1, /* fill */
                            1, 1, /* expand */
                            0.5, 0.5, /* align */
                            w, h, /* min */
                            9999, 9999 /* max */
                            );
        }
     }
   else if (b->o_empty)
     {
      evas_object_del(b->o_empty);
      b->o_empty = NULL;
     }
}

static void
_ibar_fill(IBar *b)
{
   IBar_Icon *ic;

   if (b->apps)
     {
      Efreet_Desktop *desktop;
      Evas_List *l;

      for (l = b->apps->desktops; l; l = l->next)
        {
           desktop = l->data;
           ic = _ibar_icon_new(b, desktop);
           b->icons = evas_list_append(b->icons, ic);
           e_box_pack_end(b->o_box, ic->o_holder);
        }
     }
   _ibar_empty_handle(b);
   _ibar_resize_handle(b);
}

static void
_ibar_empty(IBar *b)
{
   while (b->icons)
     {
      _ibar_icon_free(b->icons->data);
      b->icons = evas_list_remove_list(b->icons, b->icons);
     }
   _ibar_empty_handle(b);
}

static void
_ibar_orient_set(IBar *b, int horizontal)
{
   e_box_orientation_set(b->o_box, horizontal);
   e_box_align_set(b->o_box, 0.5, 0.5);
}

static void
_ibar_resize_handle(IBar *b)
{
   Evas_List *l;
   IBar_Icon *ic;
   Evas_Coord w, h;
   
   evas_object_geometry_get(b->o_box, NULL, NULL, &w, &h);
   if (e_box_orientation_get(b->o_box))
     w = h;
   else
     h = w;
   e_box_freeze(b->o_box);
   for (l = b->icons; l; l = l->next)
     {
      ic = l->data;
      e_box_pack_options_set(ic->o_holder,
                         1, 1, /* fill */
                         0, 0, /* expand */
                         0.5, 0.5, /* align */
                         w, h, /* min */
                         w, h /* max */
                         );
     }
   e_box_thaw(b->o_box);
}

static void
_ibar_instance_drop_zone_recalc(Instance *inst)
{
   Evas_Coord x, y, w, h;
   
   evas_object_geometry_get(inst->o_ibar, &x, &y, &w, &h);
   e_drop_handler_geometry_set(inst->drop_handler, x, y, w, h);
}  

static Config_Item *
_ibar_config_item_get(const char *id)
{
   Evas_List *l;
   Config_Item *ci;
   char buf[128];

   if (!id)
     {
      snprintf(buf, sizeof(buf), "%s.%d", _gadcon_class.name, ++uuid);
      id = buf;
     }
   else
     {
      /* Find old config, or reuse supplied id */
      for (l = ibar_config->items; l; l = l->next)
        {
           ci = l->data;
           if ((ci->id) && (ci->dir) && (!strcmp(ci->id, id)))
             return ci;
        }
     }
   ci = E_NEW(Config_Item, 1);
   ci->id = evas_stringshare_add(id);
   ci->show_label = 1;
   ci->eap_label = 0;
   ibar_config->items = evas_list_append(ibar_config->items, ci);
   return ci;
}

void
_ibar_config_update(Config_Item *ci)
{
   Evas_List *l;
   Evas_List *i;

   for (l = ibar_config->instances; l; l = l->next)
     {
      Instance *inst;
      char buf[4096];

      inst = l->data;
      if (inst->ci != ci) continue;
           
      _ibar_empty(inst->ibar);
      if (inst->ibar->apps)
        e_object_del(E_OBJECT(inst->ibar->apps));
      if (inst->ci->dir[0] != '/')
        {
           const char *homedir;

           homedir = e_user_homedir_get();
           snprintf(buf, sizeof(buf), "%s/.e/e/applications/bar/%s/.order", homedir, inst->ci->dir);
        }
      else
        snprintf(buf, sizeof(buf), inst->ci->dir);
      inst->ibar->apps = e_order_new(buf);
      _ibar_fill(inst->ibar);
      _ibar_resize_handle(inst->ibar);
      _gc_orient(inst->gcc);

      for (i = inst->ibar->icons; i; i = i->next) 
        {
           IBar_Icon *ic;
           
           ic = i->data;
           switch (ci->eap_label) 
             {
            case 0:
              edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->name);
              edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->name);
              break;
            case 1:
              edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->comment);
              edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->comment);
              break;
            case 2:
              edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->generic_name);
              edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->generic_name);
              break;
             }
        }
     }
}

static IBar_Icon *
_ibar_icon_at_coord(IBar *b, Evas_Coord x, Evas_Coord y)
{
   Evas_List *l;
   IBar_Icon *ic;

   for (l = b->icons; l; l = l->next)
     {
        Evas_Coord dx, dy, dw, dh;
      ic = l->data;
      
        evas_object_geometry_get(ic->o_holder, &dx, &dy, &dw, &dh);
      if (E_INSIDE(x, y, dx, dy, dw, dh)) return ic;
     }
   return NULL;
}

static IBar_Icon *
_ibar_icon_new(IBar *b, Efreet_Desktop *desktop)
{
   IBar_Icon *ic;
   
   ic = E_NEW(IBar_Icon, 1);
   ic->ibar = b;
   ic->app = desktop;
   ic->o_holder = edje_object_add(evas_object_evas_get(b->o_box));
   e_theme_edje_object_set(ic->o_holder, "base/theme/modules/ibar",
                     "e/modules/ibar/icon");
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOUSE_IN,  _ibar_cb_icon_mouse_in,  ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOUSE_OUT, _ibar_cb_icon_mouse_out, ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOUSE_DOWN, _ibar_cb_icon_mouse_down, ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOUSE_UP, _ibar_cb_icon_mouse_up, ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOUSE_MOVE, _ibar_cb_icon_mouse_move, ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_MOVE, _ibar_cb_icon_move, ic);
   evas_object_event_callback_add(ic->o_holder, EVAS_CALLBACK_RESIZE, _ibar_cb_icon_resize, ic);
   evas_object_show(ic->o_holder);
   
   ic->o_holder2 = edje_object_add(evas_object_evas_get(b->o_box));
   e_theme_edje_object_set(ic->o_holder2, "base/theme/modules/ibar",
                     "e/modules/ibar/icon_overlay");
   evas_object_layer_set(ic->o_holder2, 9999);
   evas_object_pass_events_set(ic->o_holder2, 1);
   evas_object_show(ic->o_holder2);
   
   _ibar_icon_fill(ic);
   return ic;
}

static void
_ibar_icon_free(IBar_Icon *ic)
{
   if (ibar_config->menu)
     {
      e_menu_post_deactivate_callback_set(ibar_config->menu, NULL, NULL);
      e_object_del(E_OBJECT(ibar_config->menu));
      ibar_config->menu = NULL;
     }
   if (ic->ibar->ic_drop_before == ic)
     ic->ibar->ic_drop_before = NULL;
   _ibar_icon_empty(ic);
   evas_object_del(ic->o_holder);
   evas_object_del(ic->o_holder2);
   free(ic);
}

static void
_ibar_icon_fill(IBar_Icon *ic)
{
   /* TODO: Correct icon size! */
   if (ic->o_icon) evas_object_del(ic->o_icon);
   ic->o_icon = e_util_desktop_icon_add(ic->app, "48x48", evas_object_evas_get(ic->ibar->o_box));
   edje_object_part_swallow(ic->o_holder, "e.swallow.content", ic->o_icon);
   evas_object_pass_events_set(ic->o_icon, 1);
   evas_object_show(ic->o_icon);
   if (ic->o_icon2) evas_object_del(ic->o_icon2);
   ic->o_icon2 = e_util_desktop_icon_add(ic->app, "48x48", evas_object_evas_get(ic->ibar->o_box));
   edje_object_part_swallow(ic->o_holder2, "e.swallow.content", ic->o_icon2);
   evas_object_pass_events_set(ic->o_icon2, 1);
   evas_object_show(ic->o_icon2);
   
   switch (ic->ibar->inst->ci->eap_label) 
     {
      case 0: /* Eap Name */
      edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->name);
      edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->name);
      break;
      case 1: /* Eap Comment */
      edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->comment);
      edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->comment);
      break;      
      case 2: /* Eap Generic */
      edje_object_part_text_set(ic->o_holder, "e.text.label", ic->app->generic_name);
      edje_object_part_text_set(ic->o_holder2, "e.text.label", ic->app->generic_name);
      break;      
     }
}

static void
_ibar_icon_empty(IBar_Icon *ic)
{
   if (ic->o_icon) evas_object_del(ic->o_icon);
   if (ic->o_icon2) evas_object_del(ic->o_icon2);
   ic->o_icon = NULL;
   ic->o_icon2 = NULL;
}

static void
_ibar_icon_signal_emit(IBar_Icon *ic, char *sig, char *src)
{
   if (ic->o_holder)
     edje_object_signal_emit(ic->o_holder, sig, src);
   if (ic->o_icon)
     edje_object_signal_emit(ic->o_icon, sig, src);
   if (ic->o_holder2)
     edje_object_signal_emit(ic->o_holder2, sig, src);
   if (ic->o_icon2)
     edje_object_signal_emit(ic->o_icon2, sig, src);
}

static void
_ibar_cb_app_change(void *data, E_Order *eo)
{
   IBar *b;

   b = data;
   if (!b->apps) return;
   _ibar_empty(b);
   _ibar_fill(b);
   _ibar_resize_handle(b);
   if (b->inst)
     _gc_orient(b->inst->gcc);
}

static void
_ibar_cb_obj_moveresize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Instance *inst;
   
   inst = data;
   _ibar_resize_handle(inst->ibar);
   _ibar_instance_drop_zone_recalc(inst);
}

static void 
_ibar_cb_menu_icon_new(void *data, E_Menu *m, E_Menu_Item *mi) 
{
   E_Container *con;

   if (!e_configure_registry_exists("applications/new_application")) return;
   con = e_container_current_get(e_manager_current_get());
   e_configure_registry_call("applications/new_application", con, NULL);
}

static void 
_ibar_cb_menu_icon_add(void *data, E_Menu *m, E_Menu_Item *mi) 
{
   E_Container *con;

   if (!e_configure_registry_exists("applications/ibar_applications")) return;
   con = e_container_current_get(e_manager_current_get());
   e_configure_registry_call("applications/ibar_applications", con, NULL);
}

static void
_ibar_cb_menu_icon_properties(void *data, E_Menu *m, E_Menu_Item *mi)
{
   IBar_Icon *ic;
   
   ic = data;
   e_desktop_edit(ic->ibar->inst->gcc->gadcon->zone->container,
       ic->app);
}

static void
_ibar_cb_menu_icon_remove(void *data, E_Menu *m, E_Menu_Item *mi)
{
   IBar_Icon *ic;
   
   ic = data;
   ic->ibar->icons = evas_list_remove(ic->ibar->icons, ic);
   _ibar_resize_handle(ic->ibar);
   _gc_orient(ic->ibar->inst->gcc);
   e_order_remove(ic->ibar->apps, ic->app);
   _ibar_icon_free(ic);
}

static void
_ibar_cb_menu_configuration(void *data, E_Menu *m, E_Menu_Item *mi)
{
   IBar *b;
 
   b = data;
   _config_ibar_module(b->inst->ci);
}

static void
_ibar_cb_menu_add(void *data, E_Menu *m, E_Menu_Item *mi)
{
   IBar *b;
   
   b = data;
   e_configure_registry_call("internal/ibar_other",
                       b->inst->gcc->gadcon->zone->container,
                       b->apps->path);
}

static void
_ibar_cb_menu_post(void *data, E_Menu *m)
{
   if (!ibar_config->menu) return;
   e_object_del(E_OBJECT(ibar_config->menu));
   ibar_config->menu = NULL;
}

static void
_ibar_cb_icon_mouse_in(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_In *ev;
   IBar_Icon *ic;
   
   ev = event_info;
   ic = data;
   _ibar_icon_signal_emit(ic, "e,state,focused", "e");
   if (ic->ibar->inst->ci->show_label)
     _ibar_icon_signal_emit(ic, "e,action,show,label", "e");
}

static void
_ibar_cb_icon_mouse_out(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Out *ev;
   IBar_Icon *ic;
   
   ev = event_info;
   ic = data;
   _ibar_icon_signal_emit(ic, "e,state,unfocused", "e");
   if (ic->ibar->inst->ci->show_label)
     _ibar_icon_signal_emit(ic, "e,action,hide,label", "e");
}

static void
_ibar_cb_icon_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Down *ev;
   IBar_Icon *ic;
   
   ev = event_info;
   ic = data;
   if (ev->button == 1)
     {
      ic->drag.x = ev->output.x;
      ic->drag.y = ev->output.y;
      ic->drag.start = 1;
      ic->drag.dnd = 0;
      ic->mouse_down = 1;
     }
   else if ((ev->button == 3) && (!ibar_config->menu))
     {
      E_Menu *mn;
      E_Menu_Item *mi;
      int cx, cy, cw, ch;
      
      mn = e_menu_new();
      e_menu_post_deactivate_callback_set(mn, _ibar_cb_menu_post, NULL);
      ibar_config->menu = mn;

      /* FIXME: other icon options go here too */
      mi = e_menu_item_new(mn);
      e_menu_item_label_set(mi, _("Change Icon Properties"));
      e_util_menu_item_edje_icon_set(mi, "enlightenment/properties");
      e_menu_item_callback_set(mi, _ibar_cb_menu_icon_properties, ic);
      
      mi = e_menu_item_new(mn);
      e_menu_item_label_set(mi, _("Remove Icon"));
      e_util_menu_item_edje_icon_set(mi, "enlightenment/delete");
      e_menu_item_callback_set(mi, _ibar_cb_menu_icon_remove, ic);

      mi = e_menu_item_new(mn);
      e_menu_item_separator_set(mi, 1);

      if (e_configure_registry_exists("applications/ibar_applications")) 
        {
           mi = e_menu_item_new(mn);
           e_menu_item_label_set(mi, _("Add An Icon"));
           e_util_menu_item_edje_icon_set(mi, "enlightenment/ibar_applications");
           e_menu_item_callback_set(mi, _ibar_cb_menu_icon_add, NULL);
        }
      if (e_configure_registry_exists("applications/new_application")) 
        {
           mi = e_menu_item_new(mn);
           e_menu_item_label_set(mi, _("Create New Icon"));
           e_util_menu_item_edje_icon_set(mi, "enlightenment/new_application");
           e_menu_item_callback_set(mi, _ibar_cb_menu_icon_new, NULL);

           mi = e_menu_item_new(mn);
           e_menu_item_separator_set(mi, 1);
        }

      mi = e_menu_item_new(mn);
      e_menu_item_label_set(mi, _("Configuration"));
      e_util_menu_item_edje_icon_set(mi, "enlightenment/configuration");
      e_menu_item_callback_set(mi, _ibar_cb_menu_configuration, ic->ibar);

      if (e_configure_registry_exists("applications/ibar_applications")) 
        {
           mi = e_menu_item_new(mn);
           e_menu_item_label_set(mi, _("Add Application"));
           e_util_menu_item_edje_icon_set(mi, "enlightenment/add");
           e_menu_item_callback_set(mi, _ibar_cb_menu_add, ic->ibar);
        }
      
      e_gadcon_client_util_menu_items_append(ic->ibar->inst->gcc, mn, 0);
      
      e_gadcon_canvas_zone_geometry_get(ic->ibar->inst->gcc->gadcon,
                                &cx, &cy, &cw, &ch);
      e_menu_activate_mouse(mn,
                        e_util_zone_current_get(e_manager_current_get()),
                        cx + ev->output.x, cy + ev->output.y, 1, 1,
                        E_MENU_POP_DIRECTION_DOWN, ev->timestamp);
      e_util_evas_fake_mouse_up_later(ic->ibar->inst->gcc->gadcon->evas,
                              ev->button);
     }
}

static void
_ibar_cb_icon_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Up *ev;
   IBar_Icon *ic;
   
   ev = event_info;
   ic = data;
   if ((ev->button == 1) && (!ic->drag.dnd) && (ic->mouse_down == 1))
     {
      if (ic->app->type == EFREET_DESKTOP_TYPE_APPLICATION)
        e_exec(ic->ibar->inst->gcc->gadcon->zone, ic->app, NULL, NULL, "ibar");
      else if (ic->app->type == EFREET_DESKTOP_TYPE_LINK)
        {
           if (!strncasecmp(ic->app->url, "file:", 5))
             {
              E_Action *act;

              act = e_action_find("fileman");
              if (act) act->func.go(E_OBJECT(obj), ic->app->url + 5);
             }
        }

      ic->drag.start = 0;
      ic->drag.dnd = 0;
      ic->mouse_down = 0;
      /* TODO: bring back "e,action,start|stop" for the startup_notify apps
       *       when startup_notify is used again
       */
      _ibar_icon_signal_emit(ic, "e,action,exec", "e");
     }
}

static void
_ibar_cb_icon_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Move *ev;
   IBar_Icon *ic;
   
   ev = event_info;
   ic = data;
   if (ic->drag.start)
     {
      int dx, dy;

      dx = ev->cur.output.x - ic->drag.x;
      dy = ev->cur.output.y - ic->drag.y;
      if (((dx * dx) + (dy * dy)) >
          (e_config->drag_resist * e_config->drag_resist))
        {
           E_Drag *d;
           Evas_Object *o;
           Evas_Coord x, y, w, h;
           const char *drag_types[] = { "enlightenment/desktop" };
           char buf[128];

           ic->drag.dnd = 1;
           ic->drag.start = 0;

           evas_object_geometry_get(ic->o_icon, &x, &y, &w, &h);
           d = e_drag_new(ic->ibar->inst->gcc->gadcon->zone->container,
                      x, y, drag_types, 1,
                      ic->app, -1, NULL, NULL);
           snprintf(buf, sizeof(buf), "%dx%d", w, h);
             o = e_util_desktop_icon_add(ic->app, buf, e_drag_evas_get(d));
           e_drag_object_set(d, o);

           e_drag_resize(d, w, h);
           e_drag_start(d, ic->drag.x, ic->drag.y);
           e_util_evas_fake_mouse_up_later(ic->ibar->inst->gcc->gadcon->evas,
                                   1);
           ic->ibar->icons = evas_list_remove(ic->ibar->icons, ic);
           _ibar_resize_handle(ic->ibar);
           _gc_orient(ic->ibar->inst->gcc);
           e_order_remove(ic->ibar->apps, ic->app);
           _ibar_icon_free(ic);
        }
     }
}

static void
_ibar_cb_icon_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   IBar_Icon *ic;
   Evas_Coord x, y;
   
   ic = data;
   evas_object_geometry_get(ic->o_holder, &x, &y, NULL, NULL);
   evas_object_move(ic->o_holder2, x, y);
   evas_object_raise(ic->o_holder2);
}

static void
_ibar_cb_icon_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   IBar_Icon *ic;
   Evas_Coord w, h;
   
   ic = data;
   evas_object_geometry_get(ic->o_holder, NULL, NULL, &w, &h);
   evas_object_resize(ic->o_holder2, w, h);
   evas_object_raise(ic->o_holder2);
}

static void
_ibar_cb_drop_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   IBar *b;
   Evas_Coord x, y;
   
   b = data;
   evas_object_geometry_get(b->o_drop, &x, &y, NULL, NULL);
   evas_object_move(b->o_drop_over, x, y);
}

static void
_ibar_cb_drop_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   IBar *b;
   Evas_Coord w, h;
   
   b = data;
   evas_object_geometry_get(b->o_drop, NULL, NULL, &w, &h);
   evas_object_resize(b->o_drop_over, w, h);
}

static void
_ibar_inst_cb_scroll(void *data)
{
   Instance *inst;

   /* Update the position of the dnd to handle for autoscrolling
    * gadgets. */
   inst = data;
   _ibar_drop_position_update(inst, inst->ibar->dnd_x, inst->ibar->dnd_y);
}

static void
_ibar_drop_position_update(Instance *inst, Evas_Coord x, Evas_Coord y)
{
   Evas_Coord xx, yy;
   int ox, oy;
   IBar_Icon *ic;

   inst->ibar->dnd_x = x;
   inst->ibar->dnd_y = y;

   if (inst->ibar->o_drop)
      e_box_unpack(inst->ibar->o_drop);
   evas_object_geometry_get(inst->ibar->o_box, &xx, &yy, NULL, NULL);
   e_box_align_pixel_offset_get(inst->gcc->o_box, &ox, &oy);
   ic = _ibar_icon_at_coord(inst->ibar, x + xx + ox, y + yy + oy);

   /* This handles autoscrolling bars that would otherwise prevent us
    * from dropping in the very last spot in the ibar. This is not
    * necessarily a good way to solve the problem however it is by far
    * the simplest. */
   if (inst->gcc->autoscroll && ic)
     {
       double ax,ay;

       e_box_align_get(inst->gcc->o_box, &ax, &ay);
       if (e_box_orientation_get(inst->ibar->o_box))
         {
            if (ax < .01) ic = NULL;
         }
       else
         {
            if (ay < .01) ic = NULL;
         }
     }

   inst->ibar->ic_drop_before = ic;
   if (ic)
     {
      Evas_Coord ix, iy, iw, ih;
      int before = 0;
      
      evas_object_geometry_get(ic->o_holder, &ix, &iy, &iw, &ih);
      if (e_box_orientation_get(inst->ibar->o_box))
        {
           if ((x + xx) < (ix + (iw / 2))) before = 1;
        }
      else
        {
           if ((y + yy) < (iy + (ih / 2))) before = 1;
        }
      if (before)
        e_box_pack_before(inst->ibar->o_box, inst->ibar->o_drop, ic->o_holder);
      else
        e_box_pack_after(inst->ibar->o_box, inst->ibar->o_drop, ic->o_holder);
      inst->ibar->drop_before = before;
     }
   else e_box_pack_end(inst->ibar->o_box, inst->ibar->o_drop);
   e_box_pack_options_set(inst->ibar->o_drop,
                    1, 1, /* fill */
                    1, 1, /* expand */
                    0.5, 0.5, /* align */
                    1, 1, /* min */
                    -1, -1 /* max */
                    );
   _ibar_resize_handle(inst->ibar);
   _gc_orient(inst->gcc);
}

static void
_ibar_inst_cb_enter(void *data, const char *type, void *event_info)
{
   E_Event_Dnd_Enter *ev;
   Instance *inst;
   Evas_Object *o, *o2;
   
   ev = event_info;
   inst = data;
   o = edje_object_add(evas_object_evas_get(inst->ibar->o_box));
   inst->ibar->o_drop = o;
   o2 = edje_object_add(evas_object_evas_get(inst->ibar->o_box));
   inst->ibar->o_drop_over = o2;
   evas_object_event_callback_add(o, EVAS_CALLBACK_MOVE, _ibar_cb_drop_move, inst->ibar);
   evas_object_event_callback_add(o, EVAS_CALLBACK_RESIZE, _ibar_cb_drop_resize, inst->ibar);
   e_theme_edje_object_set(o, "base/theme/modules/ibar",
                     "e/modules/ibar/drop");
   e_theme_edje_object_set(o2, "base/theme/modules/ibar",
                     "e/modules/ibar/drop_overlay");
   evas_object_layer_set(o2, 19999);
   evas_object_show(o);
   evas_object_show(o2);

   _ibar_drop_position_update(inst, ev->x, ev->y);
   e_gadcon_client_autoscroll_cb_set(inst->gcc, _ibar_inst_cb_scroll, inst);
   e_gadcon_client_autoscroll_update(inst->gcc, ev->x, ev->y);
}

static void
_ibar_inst_cb_move(void *data, const char *type, void *event_info)
{
   E_Event_Dnd_Move *ev;
   Instance *inst;

   ev = event_info;
   inst = data;

   _ibar_drop_position_update(inst, ev->x, ev->y);
   e_gadcon_client_autoscroll_update(inst->gcc, ev->x, ev->y);
}

static void
_ibar_inst_cb_leave(void *data, const char *type, void *event_info)
{
   E_Event_Dnd_Leave *ev;
   Instance *inst;
   
   ev = event_info;
   inst = data;
   inst->ibar->ic_drop_before = NULL;
   evas_object_del(inst->ibar->o_drop);
   inst->ibar->o_drop = NULL;
   evas_object_del(inst->ibar->o_drop_over);
   inst->ibar->o_drop_over = NULL;
   _ibar_resize_handle(inst->ibar);
   e_gadcon_client_autoscroll_cb_set(inst->gcc, NULL, NULL);
   _gc_orient(inst->gcc);
}

static void
_ibar_inst_cb_drop(void *data, const char *type, void *event_info)
{
   E_Event_Dnd_Drop *ev;
   Instance *inst;
   Efreet_Desktop *app = NULL;
   Evas_List *l, *fl = NULL;
   IBar_Icon *ic;
   
   ev = event_info;
   inst = data;

   if (!strcmp(type, "enlightenment/desktop"))
     {
      app = ev->data;
     }
   else if (!strcmp(type, "enlightenment/border"))
     {
      E_Border *bd;

      bd = ev->data;
      app = bd->desktop;

      if (!app)
        {
           app = e_desktop_border_create(bd);
           efreet_desktop_save(app);
           e_desktop_edit(e_container_current_get(e_manager_current_get()), app);
        }
     }
   else if (!strcmp(type, "text/uri-list"))
     {
      fl = ev->data;
     }
   
   ic = inst->ibar->ic_drop_before;
   if (ic)
     {
      /* Add new eapp before this icon */
      if (!inst->ibar->drop_before)
        {
           for (l = inst->ibar->icons; l; l = l->next)
             {
              if (l->data == ic)
                {
                   if (l->next)
                   ic = l->next->data;
                   else
                   ic = NULL;
                   break;
                }
             }
        }
      if (!ic) goto atend;
      if (app)
        e_order_prepend_relative(ic->ibar->apps, app, ic->app);
      else if (fl)
        e_order_files_prepend_relative(ic->ibar->apps, fl, ic->app);
     }
   else
     {
      atend:
      if (inst->ibar->apps)
        {
           if (app)
             e_order_append(inst->ibar->apps, app);
           else if (fl)
             e_order_files_append(inst->ibar->apps, fl);
        }
     }
   evas_object_del(inst->ibar->o_drop);
   inst->ibar->o_drop = NULL;
   evas_object_del(inst->ibar->o_drop_over);
   inst->ibar->o_drop_over = NULL;
   e_gadcon_client_autoscroll_cb_set(inst->gcc, NULL, NULL);
   _ibar_empty_handle(inst->ibar);
   _ibar_resize_handle(inst->ibar);
   _gc_orient(inst->gcc);

}

/***************************************************************************/
/**/
/* module setup */
EAPI E_Module_Api e_modapi =
{
   E_MODULE_API_VERSION,
     "IBar"
};

EAPI void *
e_modapi_init(E_Module *m)
{
   conf_item_edd = E_CONFIG_DD_NEW("IBar_Config_Item", Config_Item);
#undef T
#undef D
#define T Config_Item
#define D conf_item_edd
   E_CONFIG_VAL(D, T, id, STR);
   E_CONFIG_VAL(D, T, dir, STR);
   E_CONFIG_VAL(D, T, show_label, INT);
   E_CONFIG_VAL(D, T, eap_label, INT);
   
   conf_edd = E_CONFIG_DD_NEW("IBar_Config", Config);
#undef T
#undef D
#define T Config
#define D conf_edd
   E_CONFIG_LIST(D, T, items, conf_item_edd);
   
   ibar_config = e_config_domain_load("module.ibar", conf_edd);
   
   if (!ibar_config)
     {
      Config_Item *ci;
      
      ibar_config = E_NEW(Config, 1);
      
      ci = E_NEW(Config_Item, 1);
      ci->id = evas_stringshare_add("0");
      ci->dir = evas_stringshare_add("default");
      ci->show_label = 1;
      ci->eap_label = 0;
      ibar_config->items = evas_list_append(ibar_config->items, ci);
     }
   else
     {
      Config_Item *ci;
      const char *p;

      /* Init uuid */
      ci = evas_list_last(ibar_config->items)->data;
      p = strrchr(ci->id, '.');
      if (p) uuid = atoi(p + 1);
     }
 
   ibar_config->module = m;

   ibar_config->handlers = evas_list_append(ibar_config->handlers,
                                  ecore_event_handler_add(E_EVENT_CONFIG_ICON_THEME, _ibar_cb_config_icon_theme, NULL));
   
   e_gadcon_provider_register(&_gadcon_class);
   return m;
}

EAPI int
e_modapi_shutdown(E_Module *m)
{
   e_gadcon_provider_unregister(&_gadcon_class);
   
   if (ibar_config->config_dialog)
     e_object_del(E_OBJECT(ibar_config->config_dialog));
   while (ibar_config->handlers)
     {
      ecore_event_handler_del(ibar_config->handlers->data);
      ibar_config->handlers = evas_list_remove_list(ibar_config->handlers, ibar_config->handlers);
     }
   if (ibar_config->menu)
     {
      e_menu_post_deactivate_callback_set(ibar_config->menu, NULL, NULL);
      e_object_del(E_OBJECT(ibar_config->menu));
      ibar_config->menu = NULL;
     }
   while (ibar_config->items)
     {
      Config_Item *ci;
      
      ci = ibar_config->items->data;
      ibar_config->items = evas_list_remove_list(ibar_config->items, ibar_config->items);
      if (ci->id) evas_stringshare_del(ci->id);
      if (ci->dir) evas_stringshare_del(ci->dir);
      free(ci);
     }
   free(ibar_config);
   ibar_config = NULL;
   E_CONFIG_DD_FREE(conf_item_edd);
   E_CONFIG_DD_FREE(conf_edd);
   return 1;
}

EAPI int
e_modapi_save(E_Module *m)
{
   e_config_domain_save("module.ibar", conf_edd, ibar_config);
   return 1;
}

static int
_ibar_cb_config_icon_theme(void *data, int ev_type, void *ev)
{
   Evas_List *l, *l2;

   for (l = ibar_config->instances; l; l = l->next)
     {
      Instance *inst;

      inst = l->data;
      for (l2 = inst->ibar->icons; l2; l2 = l2->next)
        {
           IBar_Icon *icon;

           icon = l2->data;
           _ibar_icon_fill(icon);
        }
     }
   return 1;
}

/**/
/***************************************************************************/

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