efl_input_focus: add event_flags

Summary:
It appears that it could be interesting to know if a focus event has
already been procecced or not. However, a focus event based on scrolling
activity is not possible, therefore, error about that.

ref T7652

Reviewers: cedric, zmike, stefan_schmidt

Reviewed By: zmike

Subscribers: #reviewers, #committers

Tags: #efl

Maniphest Tasks: T7652

Differential Revision: https://phab.enlightenment.org/D7732

src/lib/efl/interfaces/efl_common_internal.h

@@ -116,6 +116,7 @@ struct _Efl_Input_Focus_Data
    Efl_Input_Device *device; //The seat
    Eo *object_wref; // wref on the focused object - Efl.Canvas.Object or Efl.Canvas.
    double timestamp;
+   Efl_Input_Flags   event_flags;
 };
 
 /* Internal helpers */

src/lib/evas/canvas/efl_input_focus.c

@@ -130,6 +130,22 @@ _efl_input_focus_efl_input_event_reset(Eo *obj, Efl_Input_Focus_Data *pd)
    pd->eo = obj;
 }
 
+EOLIAN static void
+_efl_input_focus_efl_input_event_event_flags_set(Eo *obj EINA_UNUSED, Efl_Input_Focus_Data *pd, Efl_Input_Flags flags)
+{
+   if (flags == EFL_INPUT_FLAGS_SCROLLING)
+     ERR("A focus event cannot be created based on scrolling");
+   else
+     pd->event_flags |= flags;
+}
+
+EOLIAN static Efl_Input_Flags
+_efl_input_focus_efl_input_event_event_flags_get(const Eo *obj EINA_UNUSED, Efl_Input_Focus_Data *pd)
+{
+   return pd->event_flags;
+}
+
+
 /* Internal EO APIs */
 
 #define EFL_INPUT_FOCUS_EXTRA_CLASS_OPS \

src/lib/evas/canvas/efl_input_focus.eo

@@ -17,6 +17,7 @@ class Efl.Input.Focus extends Efl.Object implements Efl.Input.Event
       Efl.Object.destructor;
       Efl.Input.Event.device { get; set; }
       Efl.Input.Event.reset;
+      Efl.Input.Event.event_flags { get; set;}
       Efl.Duplicate.duplicate;
          [[Creates a copy of this event. @Efl.Input.Event.fake is $true.