elm_entry: use Efl.File in Elm_Entry

Summary:
Also using the second optional string parameter of efl_file_set as the
text format specifier.
Added string constants to represent the possible values.

Address the issue:
- Elm entry and the file interface clash on file_set.
Specified in the page:
https://phab.enlightenment.org/w/efl_interfaces/

Reviewers: felipealmeida, tasn

Reviewed By: tasn

Subscribers: thiepha, raster

Differential Revision: https://phab.enlightenment.org/D2353

legacy/elementary/src/lib/elm_entry.c

@@ -4507,22 +4507,48 @@ inserting:
      evas_object_smart_callback_call(entry, SIG_REJECTED, NULL);
 }
 
+EOLIAN static void
+_elm_entry_file_text_format_set(Eo *obj EINA_UNUSED, Elm_Entry_Data *sd, Elm_Text_Format format)
+{
+   sd->format = format;
+}
+
+EAPI Eina_Bool
+elm_entry_file_set(Evas_Object *obj, const char *file, Elm_Text_Format format)
+{
+   Eina_Bool ret;
+   eo_do(obj, elm_obj_entry_file_text_format_set(format),
+              ret = efl_file_set(file, NULL));
+   return ret;
+}
+
 EOLIAN static Eina_Bool
-_elm_entry_file_set(Eo *obj, Elm_Entry_Data *sd, const char *file, Elm_Text_Format format)
+_elm_entry_efl_file_file_set(Eo *obj, Elm_Entry_Data *sd, const char *file, const char *group EINA_UNUSED)
 {
    ELM_SAFE_FREE(sd->delay_write, ecore_timer_del);
    if (sd->auto_save) _save_do(obj);
    eina_stringshare_replace(&sd->file, file);
-   sd->format = format;
    Eina_Bool int_ret = _load_do(obj);
    return int_ret;
 }
 
+EAPI void
+elm_entry_file_get(const Evas_Object *obj, const char **file, Elm_Text_Format *format)
+{
+   eo_do(obj, efl_file_get(file, NULL));
+   if (format)
+     {
+        ELM_ENTRY_DATA_GET(obj, sd);
+        if (!sd) return;
+        *format = sd->format;
+     }
+}
+
 EOLIAN static void
-_elm_entry_file_get(Eo *obj EINA_UNUSED, Elm_Entry_Data *sd, const char **file, Elm_Text_Format *format)
+_elm_entry_efl_file_file_get(Eo *obj EINA_UNUSED, Elm_Entry_Data *sd, const char **file, const char **group)
 {
    if (file) *file = sd->file;
-   if (format) *format = sd->format;
+   if (group) *group = NULL;
 }
 
 EOLIAN static void

legacy/elementary/src/lib/elm_entry.eo

@@ -1,5 +1,14 @@
+enum Elm.Text_Format
+{
+   [[Text Format types.
+     @see elm_entry_file_text_format()
+   ]]
+   plain_utf8, [[ Plain UTF8 type ]]
+   markup_utf8 [[ Markup UTF8 type ]]
+}
+
 class Elm.Entry (Elm.Layout, Elm_Interface_Scrollable, Evas.Clickable_Interface,
-                 Elm_Interface_Atspi_Text, Elm_Interface_Atspi_Editable_Text)
+                 Elm_Interface_Atspi_Text, Elm_Interface_Atspi_Editable_Text, Efl.File)
 {
    eo_prefix: elm_obj_entry;
    methods {
@@ -98,6 +107,28 @@ class Elm.Entry (Elm.Layout, Elm_Interface_Scrollable, Evas.Clickable_Interface,
             cnp_mode: Elm_Cnp_Mode; /*@ One of #Elm_Cnp_Mode: #ELM_CNP_MODE_MARKUP, #ELM_CNP_MODE_NO_IMAGE, #ELM_CNP_MODE_PLAINTEXT. */
          }
       }
+      @property file_text_format {
+         [[Text format used to load and save the file, which could be plain text or markup text.
+
+           Default is @c ELM_TEXT_FORMAT_PLAIN_UTF8, if you want to use
+           @c ELM_TEXT_FORMAT_MARKUP_UTF8 then you need to set the text format
+           before calling @ref efl_file_set.
+
+           You could also set it before a call to @ref elm_obj_entry_file_save
+           in order to save with the given format.
+
+           @ingroup Entry
+         ]]
+
+         set {
+            [[Use it before calling @ref efl_file_set or @ref elm_obj_entry_file_save.
+              @ingroup Entry
+            ]]
+         }
+         values {
+            format: Elm.Text_Format(Elm.Text_Format.plain_utf8); [[ The file format ]]
+         }
+      }
       @property input_panel_language {
          set {
             /*@
@@ -296,36 +327,6 @@ class Elm.Entry (Elm.Layout, Elm_Interface_Scrollable, Evas.Clickable_Interface,
             password: bool; /*@ If true, password mode is enabled. */
          }
       }
-      @property file {
-         set {
-            /*@
-            This sets the file (and implicitly loads it) for the text to display and
-            then edit. All changes are written back to the file after a short delay if
-            the entry object is set to autosave (which is the default).
-
-            If the entry had any other file set previously, any changes made to it
-            will be saved if the autosave feature is enabled, otherwise, the file
-            will be silently discarded and any non-saved changes will be lost.
-
-            @return @c EINA_TRUE on success, @c EINA_FALSE otherwise
-
-            @ingroup Entry */
-            return: bool;
-         }
-         get {
-            /*@
-            Get the file being edited by the entry.
-
-            This function can be used to retrieve any file set on the entry for
-            edition, along with the format used to load and save it.
-
-            @ingroup Entry */
-         }
-         values {
-            file: const(char)*; /*@ The path to the file to load and save */
-            format: Elm_Text_Format; /*@ The file format */
-         }
-      }
       @property input_panel_return_key_disabled {
          set {
             /*@
@@ -1225,6 +1226,8 @@ class Elm.Entry (Elm.Layout, Elm_Interface_Scrollable, Evas.Clickable_Interface,
       Elm_Interface_Atspi_Editable_Text.cut;
       Elm_Interface_Atspi_Editable_Text.delete;
       Elm_Interface_Atspi_Editable_Text.paste;
+      Efl.File.file.set;
+      Efl.File.file.get;
    }
    events {
       language,changed;

legacy/elementary/src/lib/elm_entry_common.h

@@ -4,17 +4,6 @@
  * @{
  */
 
-/**
- * Text Format types.
- *
- * @see elm_entry_file_set()
- */
-typedef enum
-{
-   ELM_TEXT_FORMAT_PLAIN_UTF8,  /**< Plain UTF8 type */
-   ELM_TEXT_FORMAT_MARKUP_UTF8  /**< Markup UTF8 type */
-} Elm_Text_Format;
-
 /**
  * Line wrapping types.
  *

legacy/elementary/src/lib/elm_entry_legacy.h

@@ -1,3 +1,5 @@
+#include "elm_entry.eo.legacy.h"
+
 /**
  * This adds an entry to @p parent object.
  *
@@ -37,4 +39,35 @@ EAPI void               elm_entry_entry_set(Evas_Object *obj, const char *entry)
  */
 EAPI const char        *elm_entry_entry_get(const Evas_Object *obj);
 
-#include "elm_entry.eo.legacy.h"
+/**
+ *
+ * This sets the file (and implicitly loads it) for the text to display and
+ * then edit. All changes are written back to the file after a short delay if
+ * the entry object is set to autosave (which is the default).
+ *
+ * If the entry had any other file set previously, any changes made to it
+ * will be saved if the autosave feature is enabled, otherwise, the file
+ * will be silently discarded and any non-saved changes will be lost.
+ *
+ * @return @c EINA_TRUE on success, @c EINA_FALSE otherwise
+ *
+ * @ingroup Entry
+ *
+ * @param[in] file The path to the file to load and save
+ * @param[in] format The file format
+ */
+EAPI Eina_Bool          elm_entry_file_set(Evas_Object *obj, const char *file, Elm_Text_Format format);
+
+/**
+ *
+ * Get the file being edited by the entry.
+ *
+ * This function can be used to retrieve any file set on the entry for
+ * edition, along with the format used to load and save it.
+ *
+ * @ingroup Entry
+ *
+ * @param[out] file The path to the file to load and save
+ * @param[out] format The file format
+ */
+EAPI void               elm_entry_file_get(const Evas_Object *obj, const char **file, Elm_Text_Format *format);