enlightenment/src/modules/conf_theme/e_int_config_fonts.c

#include "e.h"

typedef struct _E_Font_Size_Data  E_Font_Size_Data;
typedef struct _E_Text_Class_Pair E_Text_Class_Pair;
typedef struct _CFText_Class      CFText_Class;

static void        *_create_data(E_Config_Dialog *cfd);
static void         _free_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static int          _basic_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static Evas_Object *_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static int          _advanced_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static Evas_Object *_advanced_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);

static void         _basic_font_cb_change(void *data, Evas_Object *obj);
static void         _basic_enable_cb_change(void *data, Evas_Object *obj);
static void         _basic_init_data_fill(E_Config_Dialog_Data *cfdata);

static void         _adv_class_cb_change(void *data, Evas_Object *obj);
static void         _adv_enabled_font_cb_change(void *data, Evas_Object *obj);
static void         _adv_enabled_fallback_cb_change(void *data, Evas_Object *obj);
static void         _adv_font_cb_change(void *data, Evas_Object *obj);
static void         _adv_style_cb_change(void *data, Evas_Object *obj);
static void         _size_cb_change(void *data);

static int          _sort_fonts(const void *data1, const void *data2);
static void         _font_list_load(E_Config_Dialog_Data *cfdata, const char *cur_font);
static void         _size_list_load(E_Config_Dialog_Data *cfdata, Eina_List *size_list, Evas_Font_Size cur_size, int clear);
static void         _class_list_load(E_Config_Dialog_Data *cfdata);
static void         _font_preview_update(E_Config_Dialog_Data *cfdata);

static Eina_Bool    _font_hash_cb(const Eina_Hash *hash __UNUSED__, const void *key __UNUSED__, void *data, void *fdata);

struct _E_Font_Size_Data
{
   E_Config_Dialog_Data *cfdata;
   const char           *size_str;
   Evas_Font_Size        size;
};

struct _E_Text_Class_Pair
{
   const char *class_name;
   const char *class_description;
};

struct _CFText_Class
{
   const char    *class_name;
   const char    *class_description;
   const char    *font;
   const char    *style;
   Evas_Font_Size size;
   unsigned char  enabled;
};

const E_Text_Class_Pair text_class_predefined_names[] = {
   {  NULL, N_("Core")},
   { "application", N_("Applications")},
   { "title_bar", N_("Title Bar")},
   { "menu_item", N_("Menu Item")},
   { "menu_title", N_("Menu Title")},
   { "tb_plain", N_("Textblock Plain")},
   { "tb_light", N_("Textblock Light")},
   { "tb_big", N_("Textblock Big")},
   { "move_text", N_("Move Text")},
   { "resize_text", N_("Resize Text")},
   { "winlist_title", N_("Winlist Title")},
   { "configure", N_("Settings Heading")},
   { "about_title", N_("About Title")},
   { "about_version", N_("About Version")},
   { "button_text", N_("Button Text")},
   { "desklock_title", N_("Desklock Title")},
   { "desklock_passwd", N_("Desklock Password")},
   { "dialog_error", N_("Dialog Error")},
   { "exebuf_command", N_("Exebuf Command")},
   { "init_title", N_("Splash Title")},
   { "init_text", N_("Splash Text")},
   { "init_version", N_("Splash Version")},
   { "clock", N_("Digital Clock")},

   {  NULL, N_("Widgets")},
   { "entry", N_("Entry")},
   { "frame", N_("Frame")},
   { "label", N_("Label")},
   { "button", N_("Buttons")},
   { "slider", N_("Slider")},
   { "radio_button", N_("Radio Buttons")},
   { "check_button", N_("Check Buttons")},
   { "tlist", N_("Text List Item")},
   { "ilist_item", N_("List Item")},
   { "ilist_header", N_("List Header")},

   {  NULL, N_("Filemanager")},
   { "fileman_typebuf", N_("Typebuf")},
   { "fileman_icon", N_("Icon")},
   { "desktop_icon", N_("Desktop Icon")},

   {  NULL, N_("Modules")},
   { "module_small", N_("Small")},
   { "module_normal", N_("Normal")},
   { "module_large", N_("Large")},
   { "module_small_s", N_("Small Styled")},
   { "module_normal_s", N_("Normal Styled")},
   { "module_large_s", N_("Large Styled")},

   { NULL, NULL}
};

struct _E_Config_Dialog_Data
{
   E_Config_Dialog *cfd;
   Evas            *evas;

   /* Text Classes */
   Eina_List       *text_classes;

   /* Font Data */
   Eina_Hash       *font_hash;
   Eina_List       *font_list;
   Eina_List       *font_px_list;
   Eina_List       *font_scale_list;

   /* Current data */
   const char      *cur_font;
   const char      *cur_style;
   double           cur_size;
   int              cur_enabled;
   CFText_Class   *cur_class;

   /* Font Fallbacks */
   int              cur_fallbacks_enabled;

   /* Font Hinting */
   int              hinting;

   struct
   {
      /* Font Classes */
      Evas_Object *class_list;
      Evas_Object *font_list;
      Evas_Object *style_list;
      Evas_Object *size_list;
      Evas_Object *enabled;
      Evas_Object *preview;

      /* Font Fallbacks */
      Evas_Object *fallback_list;   /* Selecting a list entry starts edit*/
   } gui;
};

E_Config_Dialog *
e_int_config_fonts(E_Comp *comp, const char *params __UNUSED__)
{
   E_Config_Dialog *cfd;
   E_Config_Dialog_View *v;

   if (e_config_dialog_find("E", "appearance/fonts")) return NULL;
   v = E_NEW(E_Config_Dialog_View, 1);

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

   cfd = e_config_dialog_new(comp, _("Font Settings"),
                             "E", "appearance/fonts",
                             "preferences-desktop-font", 0, v, NULL);
   return cfd;
}

static void
_fill_data(E_Config_Dialog_Data *cfdata)
{
   Eina_List *font_list;
   Eina_List *next;
   E_Font_Default *efd;
   E_Font_Size_Data *size_data;
   CFText_Class *tc;
   int i;

   font_list = e_font_default_list();

   /* Fill out the font list */
   for (i = 0; text_class_predefined_names[i].class_description; i++ )
     {
        tc = E_NEW(CFText_Class, 1);
        tc->class_name = text_class_predefined_names[i].class_name;
        tc->class_description =
          _(text_class_predefined_names[i].class_description);
        tc->font = NULL;
        tc->size = 0;
        tc->enabled = 0;

        if (text_class_predefined_names[i].class_name)
          {
             /* Search manually because we dont want to fallback */
             for (next = font_list; next; next = next->next)
               {
                  efd = next->data;

                  if (!strcmp(tc->class_name, efd->text_class))
                    {
                       if (efd->font)
                         {
                            E_Font_Properties *efp;

                            efp = e_font_fontconfig_name_parse(efd->font);
                            if (efp->name)
                              tc->font = eina_stringshare_add(efp->name);
                            if (efp->styles)
                              tc->style = eina_stringshare_add(efp->styles->data);
                            e_font_properties_free(efp);
                         }
                       tc->size = efd->size;
                       tc->enabled = 1;
                    }
               }

             if (!tc->enabled)
               {
                  /* search with default fallbacks */
                  efd = e_font_default_get(tc->class_name);
                  if (efd)
                    {
                       if (efd->font)
                         {
                            E_Font_Properties *efp;

                            efp = e_font_fontconfig_name_parse(efd->font);
                            if (efp->name)
                              tc->font = eina_stringshare_add(efp->name);
                            if (efp->styles)
                              tc->style = eina_stringshare_add(efp->styles->data);
                            e_font_properties_free(efp);
                         }
                       tc->size = efd->size;
                    }
               }
          }

        /* Append the class */
        cfdata->text_classes = eina_list_append(cfdata->text_classes, tc);
     }

   /* Fill Hinting */
   cfdata->hinting = e_config->font_hinting;

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Tiny"));
   size_data->size = -50;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Small"));
   size_data->size = -80;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Normal"));
   size_data->size = -100;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Big"));
   size_data->size = -150;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Really Big"));
   size_data->size = -190;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   size_data = E_NEW(E_Font_Size_Data, 1);
   size_data->cfdata = cfdata;
   size_data->size_str = eina_stringshare_add(_("Huge"));
   size_data->size = -250;
   cfdata->font_scale_list = eina_list_append(cfdata->font_scale_list, size_data);

   for (i = 5; i < 21; i++)
     {
        char str[256];

        str[0] = 0;
        snprintf(str, sizeof(str), P_("%d pixel", "%d pixels", i), i);

        size_data = E_NEW(E_Font_Size_Data, 1);
        size_data->cfdata = cfdata;
        size_data->size_str = eina_stringshare_add(str);
        size_data->size = i;
        cfdata->font_px_list = eina_list_append(cfdata->font_px_list, size_data);
     }
}

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

   cfdata = E_NEW(E_Config_Dialog_Data, 1);
   cfdata->cfd = cfd;
   _fill_data(cfdata);
   return cfdata;
}

static void
_free_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   E_Font_Size_Data *size_data;
   CFText_Class *tc;

   e_font_available_hash_free(cfdata->font_hash);
   cfdata->font_list = eina_list_free(cfdata->font_list);

   EINA_LIST_FREE(cfdata->text_classes, tc)
     {
        eina_stringshare_del(tc->font);
        eina_stringshare_del(tc->style);
        E_FREE(tc);
     }

   EINA_LIST_FREE(cfdata->font_scale_list, size_data)
     {
        eina_stringshare_del(size_data->size_str);
        E_FREE(size_data);
     }

   EINA_LIST_FREE(cfdata->font_px_list, size_data)
     {
        eina_stringshare_del(size_data->size_str);
        E_FREE(size_data);
     }

   eina_stringshare_del(cfdata->cur_font);
   eina_stringshare_del(cfdata->cur_style);
   E_FREE(cfdata);
}

static int
_basic_apply_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   CFText_Class *tc;
   Eina_List *next;
   int i;

   if (cfdata->cur_enabled && !cfdata->cur_font)
     return 0;

   for (i = 0; text_class_predefined_names[i].class_description; i++ )
     {
        if (!text_class_predefined_names[i].class_name) continue;

        if (cfdata->cur_enabled)
          {
             const char *class_name;
             const char *font_name;

             class_name = text_class_predefined_names[i].class_name;
             font_name =
               e_font_fontconfig_name_get(cfdata->cur_font, cfdata->cur_style);
             e_font_default_set(class_name, font_name, cfdata->cur_size);

             if (i == 1)
               e_font_default_set("e_basic_font", font_name, cfdata->cur_size);

             eina_stringshare_del(font_name);
          }
        else
          {
             e_font_default_remove(text_class_predefined_names[i].class_name);
             if (i == 1)
               e_font_default_remove("e_basic_font");
          }
     }

   e_font_apply();
   e_config_save_queue();
   e_xsettings_config_update();

   /* Apply to advanced */
   EINA_LIST_FOREACH(cfdata->text_classes, next, tc)
     {
        tc->size = cfdata->cur_size;

        eina_stringshare_del(tc->font);
        tc->font = eina_stringshare_ref(cfdata->cur_font);

        eina_stringshare_del(tc->style);
        tc->style = eina_stringshare_ref(cfdata->cur_style);
        tc->enabled = cfdata->cur_enabled;
     }

   return 1;
}

static Eina_Bool
_font_hash_cb(const Eina_Hash *hash __UNUSED__, const void *key __UNUSED__, void *data, void *fdata)
{
   E_Config_Dialog_Data *cfdata;
   E_Font_Properties *efp;

   cfdata = fdata;
   efp = data;
   cfdata->font_list = eina_list_append(cfdata->font_list, efp->name);

   return EINA_TRUE;
}

static Evas_Object *
_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata)
{
   Evas_Object *ot, *ob, *of;

   cfdata->evas = evas;

   ot = e_widget_table_add(evas, 0);

   cfdata->gui.class_list = NULL;

   ob = e_widget_check_add(evas, _("Enable Custom Font Classes"),
                           &(cfdata->cur_enabled));
   cfdata->gui.enabled = ob;
   e_widget_on_change_hook_set(ob, _basic_enable_cb_change, cfdata);
   e_widget_table_object_append(ot, ob, 0, 0, 1, 1, 1, 0, 1, 0);

   of = e_widget_framelist_add(evas, _("Fonts"), 1);
   ob = e_widget_ilist_add(evas, 16, 16, &(cfdata->cur_font));
   cfdata->gui.font_list = ob;
   e_widget_on_change_hook_set(ob, _basic_font_cb_change, cfdata);
   e_widget_ilist_go(ob);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 0, 1, 1, 1, 1, 1, 1, 1);

   of = e_widget_framelist_add(evas, _("Size"), 1);
   ob = e_widget_ilist_add(evas, 16, 16, NULL);
   cfdata->gui.size_list = ob;
   e_widget_ilist_go(ob);
   e_widget_size_min_set(ob, 100, 200);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 1, 1, 1, 1, 1, 1, 1, 1);
   ob = e_widget_font_preview_add
     (evas, _("English 012 #!? 日本語 にほんご ソフト 中文 華語 한국"));
   cfdata->gui.preview = ob;
   e_widget_table_object_append(ot, ob, 0, 2, 2, 1, 1, 0, 1, 0);

   _basic_init_data_fill(cfdata);

   e_widget_disabled_set(cfdata->gui.font_list, !cfdata->cur_enabled);
   e_widget_disabled_set(cfdata->gui.size_list, !cfdata->cur_enabled);

   return ot;
}

static void
_basic_font_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;

   cfdata = data;
   if (!cfdata) return;
   _font_preview_update(cfdata);
}

static void
_basic_enable_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;

   cfdata = data;
   if (!cfdata) return;

   e_widget_disabled_set(cfdata->gui.font_list, !cfdata->cur_enabled);
   e_widget_disabled_set(cfdata->gui.size_list, !cfdata->cur_enabled);

   if (!cfdata->cur_enabled)
     {
        e_widget_ilist_unselect(cfdata->gui.font_list);
        e_widget_ilist_unselect(cfdata->gui.size_list);
     }
}

/* fill the basic dialog with initial data and select it */
static void
_basic_init_data_fill(E_Config_Dialog_Data *cfdata)
{
   Evas_Object *ob;
   E_Font_Default *efd;
   const char *init_font;
   Evas_Font_Size init_size;

   init_font = NULL;
   init_size = -100;

   /* Get initial basic basic */
   efd = e_font_default_get("e_basic_font");
   if (efd)
     {
        if (efd->font)
          {
             E_Font_Properties *efp;

             efp = e_font_fontconfig_name_parse(efd->font);
             init_font = eina_stringshare_add(efp->name);
             e_font_properties_free(efp);
          }
        init_size = efd->size;
     }

   /* Check based on efd */
   ob = cfdata->gui.enabled;
   if (!efd)
     e_widget_check_checked_set(ob, 0);
   else if (!strcmp(efd->text_class, "default"))
     e_widget_check_checked_set(ob, 0);
   else
     {
        e_widget_check_checked_set(ob, 1);
        cfdata->cur_enabled = 1;
     }

   /* Populate font list (Select current font) */
   _font_list_load(cfdata, init_font);

   /* Populate size list (Select current font) */
   _size_list_load(cfdata, cfdata->font_scale_list, init_size, 1);
   _size_list_load(cfdata, cfdata->font_px_list, init_size, 0);
}

static int
_advanced_apply_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   int i;
   const Eina_List *l;
   CFText_Class *tc;
   E_Ilist_Item *ili;

   /* Save current data */
   if (cfdata->cur_class)
     {
        tc = cfdata->cur_class;
        tc->size = cfdata->cur_size;
        if (cfdata->cur_font)
          eina_stringshare_replace(&tc->font, cfdata->cur_font);
        if (cfdata->cur_style)
          eina_stringshare_replace(&tc->style, cfdata->cur_style);
     }

   EINA_LIST_FOREACH(cfdata->text_classes, l, tc)
     {
        if (!tc->class_name) continue;
        if (tc->enabled && tc->font)
          {
             const char *name;

             name = e_font_fontconfig_name_get(tc->font, tc->style);
             e_font_default_set(tc->class_name, name, tc->size);
             eina_stringshare_del(name);
          }
        else
          e_font_default_remove(tc->class_name);
     }
   i = 0;
   EINA_LIST_FOREACH(e_widget_ilist_items_get(cfdata->gui.class_list), l, ili)
     {
        Evas_Object *ic;
        tc = e_widget_ilist_item_data_get(ili);
        if (!tc)
          {
             i++;
             continue;
          }
        if (tc->enabled)
          {
             ic = e_icon_add(cfdata->evas);
             e_util_icon_theme_set(ic, "dialog-ok-apply");
             e_widget_ilist_nth_icon_set(cfdata->gui.class_list, i, ic);
          }
        else
          e_widget_ilist_nth_icon_set(cfdata->gui.class_list, i, NULL);
        i++;
     }

   /* Fallbacks configure */
   e_font_fallback_clear();

   if (cfdata->cur_fallbacks_enabled)
     {
        for (i = 0; i < e_widget_config_list_count(cfdata->gui.fallback_list); i++)
          {
             const char *fallback;

             fallback =
               e_widget_config_list_nth_get(cfdata->gui.fallback_list, i);
             if ((fallback) && (fallback[0]))
               e_font_fallback_append(fallback);
          }
     }
   e_font_apply();

   /* Apply Hinting */
   e_config->font_hinting = cfdata->hinting;
   e_config_save_queue();
   e_canvas_rehint();
   e_xsettings_config_update();
   return 1;
}

static Evas_Object *
_advanced_create_widgets(E_Config_Dialog *cfd EINA_UNUSED, Evas *evas, E_Config_Dialog_Data *cfdata)
{
   Evas_Object *ot, *ob, *of, *otb;
   E_Radio_Group *rg;
   Eina_List *next = NULL;
   int option_enable;
   E_Font_Fallback *eff;

   cfdata->evas = evas;

   otb = e_widget_toolbook_add(evas, 48 * e_scale, 48 * e_scale);

   ot = e_widget_table_add(evas, 0);
   of = e_widget_frametable_add(evas, _("Font Classes"), 0);
   ob = e_widget_ilist_add(evas, 16, 16, NULL);
   cfdata->gui.class_list = ob;
   _class_list_load(cfdata);
   e_widget_size_min_set(ob, 110, 220);
   e_widget_on_change_hook_set(ob, _adv_class_cb_change, cfdata);
   e_widget_frametable_object_append(of, ob, 0, 0, 1, 1, 1, 1, 1, 1);
   ob = e_widget_check_add(evas, _("Enable Font Class"), NULL);
   cfdata->gui.enabled = ob;
   e_widget_on_change_hook_set(ob, _adv_enabled_font_cb_change, cfdata);
   e_widget_disabled_set(ob, 1);
   e_widget_frametable_object_append(of, ob, 0, 1, 1, 1, 1, 0, 1, 0);
   e_widget_table_object_append(ot, of, 0, 0, 1, 2, 1, 1, 1, 1);

   of = e_widget_framelist_add(evas, _("Font"), 1);
   ob = e_widget_ilist_add(evas, 16, 16, &(cfdata->cur_font));
   cfdata->gui.font_list = ob;
   e_widget_on_change_hook_set(ob, _adv_font_cb_change, cfdata);
   _font_list_load(cfdata, NULL);
   e_widget_size_min_set(ob, 110, 220);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 1, 0, 1, 2, 1, 1, 1, 1);

   of = e_widget_framelist_add(evas, _("Style"), 1);
   ob = e_widget_ilist_add(evas, 16, 16, &(cfdata->cur_style));
   cfdata->gui.style_list = ob;
   e_widget_on_change_hook_set(ob, _adv_style_cb_change, cfdata);
   e_widget_ilist_go(ob);
   e_widget_size_min_set(ob, 110, 50);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 2, 0, 1, 1, 1, 1, 1, 1);

   of = e_widget_framelist_add(evas, _("Size"), 1);
   ob = e_widget_ilist_add(evas, 16, 16, NULL);
   cfdata->gui.size_list = ob;
   e_widget_ilist_go(ob);
   e_widget_size_min_set(ob, 110, 50);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 2, 1, 1, 1, 1, 1, 1, 1);

   ob = e_widget_font_preview_add
     (evas, _("English 012 #!? 日本語 にほんご ソフト 中文 華語 한국"));
   
   cfdata->gui.preview = ob;
   e_widget_table_object_append(ot, ob, 0, 2, 3, 1, 1, 0, 1, 0);

   e_widget_toolbook_page_append(otb, NULL, _("General Settings"),
                                 ot, 1, 1, 1, 1, 0.5, 0.0);

   ot = e_widget_table_add(evas, 0);
   of = e_widget_frametable_add(evas, _("Hinting"), 0);
   rg = e_widget_radio_group_new(&(cfdata->hinting));
   option_enable = evas_font_hinting_can_hint(evas, EVAS_FONT_HINTING_BYTECODE);
   ob = e_widget_radio_add(evas, _("Bytecode"), 0, rg);
   e_widget_disabled_set(ob, !option_enable);
   e_widget_frametable_object_append(of, ob, 0, 0, 1, 1, 1, 0, 1, 0);
   option_enable = evas_font_hinting_can_hint(evas, EVAS_FONT_HINTING_AUTO);
   ob = e_widget_radio_add(evas, _("Automatic"), 1, rg);
   e_widget_disabled_set(ob, !option_enable);
   e_widget_frametable_object_append(of, ob, 0, 1, 1, 1, 1, 0, 1, 0);
   option_enable = evas_font_hinting_can_hint(evas, EVAS_FONT_HINTING_NONE);
   ob = e_widget_radio_add(evas, _("None"), 2, rg);
   e_widget_disabled_set(ob, !option_enable);
   e_widget_frametable_object_append(of, ob, 0, 2, 1, 1, 1, 0, 1, 0);
   e_widget_table_object_append(ot, of, 0, 0, 1, 1, 1, 1, 1, 0);

   of = e_widget_framelist_add(evas, _("Font Fallbacks"), 0);
   ob = e_widget_config_list_add(evas, e_widget_entry_add, _("Fallback Name"), 2);
   cfdata->gui.fallback_list = ob;
   option_enable = 0;
   EINA_LIST_FOREACH(e_font_fallback_list(), next, eff)
     {
        e_widget_config_list_append(ob, eff->name);
        option_enable = 1;
     }
   ob = e_widget_check_add(evas, _("Enable Fallbacks"), &(cfdata->cur_fallbacks_enabled));
   e_widget_config_list_object_append(cfdata->gui.fallback_list, ob,
                                      0, 0, 2, 1, 1, 0, 1, 0);
   e_widget_on_change_hook_set(ob, _adv_enabled_fallback_cb_change, cfdata);
   e_widget_check_checked_set(ob, option_enable);
   e_widget_change(ob);
   e_widget_framelist_object_append(of, cfdata->gui.fallback_list);
   e_widget_table_object_append(ot, of, 1, 0, 1, 1, 1, 1, 1, 0);

   e_widget_toolbook_page_append(otb, NULL, _("Hinting / Fallbacks"),
                                 ot, 1, 0, 1, 0, 0.5, 0.0);

   e_widget_toolbook_page_show(otb, 0);
   return otb;
}

/* Private Font Class Functions */
static void
_class_list_load(E_Config_Dialog_Data *cfdata)
{
   Evas *evas;
   Eina_List *next;

   if (!cfdata->gui.class_list) return;
   evas = evas_object_evas_get(cfdata->gui.class_list);
   evas_event_freeze(evas);
   edje_freeze();
   e_widget_ilist_freeze(cfdata->gui.class_list);
   e_widget_ilist_clear(cfdata->gui.class_list);

   /* Fill in Class Ilist */
   for (next = cfdata->text_classes; next; next = next->next)
     {
        CFText_Class *tc;
        Evas_Object *ic;

        tc = next->data;
        if (tc)
          {
             if (tc->class_name)
               {
                  if (tc->enabled)
                    {
                       ic = e_icon_add(evas);
                       e_util_icon_theme_set(ic, "dialog-ok-apply");
                    }
                  else
                    ic = NULL;
                  e_widget_ilist_append(cfdata->gui.class_list, ic, tc->class_description, NULL, tc, NULL);
               }
             else
               e_widget_ilist_header_append(cfdata->gui.class_list, NULL, tc->class_description);
          }
     }
   e_widget_ilist_go(cfdata->gui.class_list);
   e_widget_ilist_thaw(cfdata->gui.class_list);
   edje_thaw();
   evas_event_thaw(evas);
}

/* Called whenever class list selection changes */
static void
_adv_class_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   int indx;
   E_Config_Dialog_Data *cfdata;
   CFText_Class *tc;

   if (!(cfdata = data)) return;

   /* Save Current */
   if (cfdata->cur_class)
     {
        tc = cfdata->cur_class;
        tc->size = cfdata->cur_size;

        eina_stringshare_replace(&tc->font, cfdata->cur_font);
        eina_stringshare_replace(&tc->style, cfdata->cur_style);

        if (cfdata->gui.style_list)
          e_widget_ilist_unselect(cfdata->gui.style_list);
        if (cfdata->gui.size_list)
          e_widget_ilist_unselect(cfdata->gui.size_list);
        if (cfdata->gui.font_list)
          e_widget_ilist_unselect(cfdata->gui.font_list);
     }

   /* If no class is selected unselect all and return */
   indx = e_widget_ilist_selected_get(cfdata->gui.class_list);
   if (indx < 0)
     {
        e_widget_disabled_set(cfdata->gui.enabled, 1);
        e_widget_disabled_set(cfdata->gui.font_list, 1);
        e_widget_disabled_set(cfdata->gui.size_list, 1);
        e_widget_check_checked_set(cfdata->gui.enabled, 0);
        if (cfdata->gui.font_list)
          e_widget_ilist_unselect(cfdata->gui.font_list);
        return;
     }
   tc = e_widget_ilist_selected_data_get(cfdata->gui.class_list);
   if (!tc) return;
   e_widget_check_valptr_set(cfdata->gui.enabled, (int*)&tc->enabled);

   cfdata->cur_class = tc;

   e_widget_disabled_set(cfdata->gui.enabled, 0);
   e_widget_disabled_set(cfdata->gui.font_list, !tc->enabled);
   e_widget_disabled_set(cfdata->gui.size_list, !tc->enabled);
   if (!tc->enabled) return;
   if (!cfdata->gui.font_list) return;

   {
      E_Ilist_Item *ili;
      const Eina_List *l;
      unsigned int sel = 0;

      /* Select the configured font */
      EINA_LIST_FOREACH(e_widget_ilist_items_get(cfdata->gui.font_list), l, ili)
        {
           const char *f;

           f = ili->label;
           if (tc->font && !strcasecmp(f, tc->font))
             {
                e_widget_ilist_selected_set(cfdata->gui.font_list, sel);
                break;
             }
           sel++;
        }
   }
}

static void
_adv_enabled_font_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;
   CFText_Class *tc;

   if (!(cfdata = data)) return;
   tc = e_widget_ilist_selected_data_get(cfdata->gui.class_list);
   if ((!tc) || (!tc->enabled))
     {
        e_widget_disabled_set(cfdata->gui.font_list, 1);
        e_widget_ilist_unselect(cfdata->gui.font_list);
        e_widget_disabled_set(cfdata->gui.style_list, 1);
        e_widget_ilist_unselect(cfdata->gui.font_list);
        e_widget_disabled_set(cfdata->gui.size_list, 1);
        e_widget_ilist_unselect(cfdata->gui.font_list);
        if (tc)
          e_widget_ilist_nth_icon_set(cfdata->gui.class_list, e_widget_ilist_selected_get(cfdata->gui.class_list), NULL);
        return;
     }

   e_widget_disabled_set(cfdata->gui.font_list, 0);
   e_widget_disabled_set(cfdata->gui.style_list, 0);
   e_widget_disabled_set(cfdata->gui.size_list, 0);
   /* Search class list fot selected and enable Icon */
   {
      Evas_Object *icon = NULL;

      tc->size = cfdata->cur_size;
      eina_stringshare_replace(&tc->font, cfdata->cur_font);
      if (tc->enabled)
        {
           icon = e_icon_add(cfdata->evas);
           e_util_icon_theme_set(icon, "enlightenment");
        }
      
      e_widget_ilist_nth_icon_set(cfdata->gui.class_list, e_widget_ilist_selected_get(cfdata->gui.class_list), icon);
   }
}

static void
_size_cb_change(void *data)
{
   E_Config_Dialog_Data *cfdata;
   E_Font_Size_Data *size_data;
   const Eina_List *l;
   int n;

   size_data = data;
   if (!(cfdata = size_data->cfdata)) return;

   cfdata->cur_size = size_data->size;

   _font_preview_update(cfdata);

   if (!cfdata->gui.class_list) return;

   for (n = 0, l = e_widget_ilist_items_get(cfdata->gui.class_list); l; l = l->next, n++)
     {
        E_Ilist_Item *i;
        CFText_Class *tc;

        if (!(i = l->data)) continue;
        if (!i->selected) continue;

        tc = eina_list_nth(cfdata->text_classes, n);
        tc->size = cfdata->cur_size;
     }
}

static void
_adv_font_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;
   CFText_Class *tc;
   int n;

   if (!(cfdata = data)) return;

   /* Set up the new font name for each selected class */
   tc = e_widget_ilist_selected_data_get(cfdata->gui.class_list);
   if (tc)
     eina_stringshare_replace(&tc->font, cfdata->cur_font);

   /* Load the style list */
   if (cfdata->cur_font)
     {
        E_Font_Properties *efp;
        Eina_List *next;

        efp = eina_hash_find(cfdata->font_hash, cfdata->cur_font);
        evas_event_freeze(evas_object_evas_get(cfdata->gui.style_list));
        edje_freeze();
        e_widget_ilist_freeze(cfdata->gui.style_list);
        e_widget_ilist_clear(cfdata->gui.style_list);

        for (next = efp->styles; next; next = next->next)
          {
             const char *style;

             style = next->data;
             e_widget_ilist_append(cfdata->gui.style_list, NULL, style,
                                   NULL, NULL, style);
          }

        e_widget_ilist_go(cfdata->gui.style_list);
        e_widget_ilist_thaw(cfdata->gui.style_list);
        edje_thaw();
        evas_event_thaw(evas_object_evas_get(cfdata->gui.style_list));
     }

   /* select configured style from list */
   if ((tc) && (tc->style))
     {
        for (n = 0; n < e_widget_ilist_count(cfdata->gui.style_list); n++)
          {
             const char *f;

             f = e_widget_ilist_nth_label_get(cfdata->gui.style_list, n);
             if ((!f) || (!tc->style)) continue;
             if (!strcasecmp(f, tc->style))
               {
                  e_widget_ilist_selected_set(cfdata->gui.style_list, n);
                  break;
               }
          }
     }

   /* load and select size list */
   if (tc)
     {
        cfdata->cur_size = tc->size;
        _size_list_load(cfdata, cfdata->font_scale_list, tc->size, 1);
        _size_list_load(cfdata, cfdata->font_px_list, tc->size, 0);
     }

   _font_preview_update(cfdata);
}

static void
_size_list_load(E_Config_Dialog_Data *cfdata, Eina_List *size_list, Evas_Font_Size cur_size, int clear)
{
   Eina_List *next;
   Evas_Object *ob;
   Evas *evas;
   int n;

   ob = cfdata->gui.size_list;
   evas = evas_object_evas_get(ob);

   evas_event_freeze(evas);
   edje_freeze();
   e_widget_ilist_freeze(ob);
   if (clear) e_widget_ilist_clear(ob);

   for (next = size_list; next; next = next->next)
     {
        E_Font_Size_Data *size_data;

        size_data = next->data;
        e_widget_ilist_append(ob, NULL, size_data->size_str, _size_cb_change,
                              size_data, NULL);
     }

   e_widget_ilist_go(ob);
   e_widget_ilist_thaw(ob);
   edje_thaw();
   evas_event_thaw(evas);

   for (n = 0; n < e_widget_ilist_count(ob); n++)
     {
        E_Font_Size_Data *size_data;

        if (!(size_data = e_widget_ilist_nth_data_get(ob, n))) continue;
        if (cur_size == size_data->size)
          {
             e_widget_ilist_selected_set(ob, n);
             break;
          }
     }
}

static void
_font_list_load(E_Config_Dialog_Data *cfdata, const char *cur_font)
{
   const char *f;
   Eina_List *next;
   Evas_Object *ob;
   Evas *evas;
   Evas_Coord w;
   int n;

   ob = cfdata->gui.font_list;
   evas = evas_object_evas_get(ob);

   evas_event_freeze(evas);
   edje_freeze();
   e_widget_ilist_freeze(ob);

   /* Load Hash a single time */
   if (!cfdata->font_hash)
     {
        Eina_List *fonts;

        fonts = evas_font_available_list(evas);
        cfdata->font_hash = e_font_available_list_parse(fonts);
        eina_hash_foreach(cfdata->font_hash, _font_hash_cb, cfdata);
        if (cfdata->font_list)
          {
             cfdata->font_list =
               eina_list_sort(cfdata->font_list,
                              eina_list_count(cfdata->font_list),
                              _sort_fonts);
          }
        evas_font_available_list_free(evas, fonts);
     }

   /* Load the list */
   if (cfdata->font_list)
     {
        EINA_LIST_FOREACH(cfdata->font_list, next, f)
          {
             e_widget_ilist_append(ob, NULL, f, NULL, NULL, f);
          }
     }

   e_widget_ilist_go(ob);
   e_widget_size_min_get(ob, &w, NULL);
   e_widget_size_min_set(ob, w, 250);
   e_widget_ilist_thaw(ob);
   edje_thaw();
   evas_event_thaw(evas);

   if (!cur_font) return;

   /* Select Current Font */
   n = 0;
   EINA_LIST_FOREACH(cfdata->font_list, next, f)
     {
        if (!strcasecmp(f, cur_font))
          {
             e_widget_ilist_selected_set(ob, n);
             break;
          }
        n++;
     }
}

static void
_adv_style_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;
   E_Ilist_Item *i;
   const Eina_List *l;
   int n = 0;

   if (!(cfdata = data)) return;

   /* Setup the new style name */
   EINA_LIST_FOREACH(e_widget_ilist_items_get(cfdata->gui.class_list), l, i)
     {
        CFText_Class *tc;
        const char *tmp;

        if (!i->selected) continue;

        tc = eina_list_nth(cfdata->text_classes, n);
        tmp = eina_stringshare_ref(cfdata->cur_style);
        eina_stringshare_del(tc->style);
        tc->style = tmp;
        n++;
     }

   _font_preview_update(cfdata);
}

/* Private Font Fallback Functions */
static void
_adv_enabled_fallback_cb_change(void *data, Evas_Object *obj __UNUSED__)
{
   E_Config_Dialog_Data *cfdata;

   if (!(cfdata = data)) return;
   e_widget_disabled_set(cfdata->gui.fallback_list,
                         !cfdata->cur_fallbacks_enabled);
}

static int
_sort_fonts(const void *data1, const void *data2)
{
   if (!data1) return 1;
   if (!data2) return -1;
   return e_util_strcmp(data1, data2);
}

static void
_font_preview_update(E_Config_Dialog_Data *cfdata)
{
   /* update preview */
   if (cfdata->cur_font)
     {
        const char *name;

        name = e_font_fontconfig_name_get(cfdata->cur_font, cfdata->cur_style);
        e_widget_font_preview_font_set(cfdata->gui.preview, name,
                                       cfdata->cur_size);
        eina_stringshare_del(name);
     }
}