Edje entry: Add link press effect

Summary:
Add link press effect

Custom tag (linked_pressed) has to be supplied in entry tb style
with color value for press effect to be applied on link text.

Reviewers: tasn

Subscribers: shilpasingh, cedric, jpeg

Differential Revision: https://phab.enlightenment.org/D3629

Change-Id: I2084a2bde237ea7a0a09fdc93b4f93a5a7b31143
Signed-off-by: SubodhKumar <s7158.kumar@samsung.com>

diff --git a/src/lib/edje/edje_entry.c b/src/lib/edje/edje_entry.c
index b590009..41ba192 100644 (file)
--- a/src/lib/edje/edje_entry.c
+++ b/src/lib/edje/edje_entry.c
@@ -50,6 +50,7 @@ struct _Entry
    Eina_Bool              input_panel_enable : 1;
    Eina_Bool              prediction_allow : 1;
    Eina_Bool              anchors_updated : 1;
+   Eina_Bool              have_link_pressed : 1;
    // TIZEN_ONLY(20150716): Add edje_object_part_text_freeze, thaw APIs for freezing cursor movements.
    Eina_Bool freeze : 1;
    //
@@ -752,6 +753,28 @@ _sel_update(Edje *ed, Evas_Textblock_Cursor *c EINA_UNUSED, Evas_Object *o, Entr
      }
 }
 
+static Eina_Bool
+_edje_entry_style_tag_check(Edje_Real_Part *rp, const char *tag)
+{
+   const Evas_Textblock_Style *ts = NULL;
+
+   ts = evas_object_textblock_style_user_peek(rp->object);
+   if (ts)
+     {
+        if (strstr(evas_textblock_style_get(ts), tag)) return EINA_TRUE;
+     }
+   else
+     {
+        ts = evas_object_textblock_style_get(rp->object);
+        if (ts)
+          {
+             if (strstr(evas_textblock_style_get(ts), tag)) return EINA_TRUE;
+          }
+     }
+
+   return EINA_FALSE;
+}
+
 static void
 _edje_anchor_mouse_down_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
 {
@@ -785,6 +808,13 @@ _edje_anchor_mouse_down_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EIN
         else
           snprintf(buf, len, "anchor,mouse,down,%i,%s", ev->button, n);
         _edje_emit(ed, buf, rp->part->name);
+        /* Link Pressed effect */
+        if (_edje_entry_style_tag_check(rp, "link_pressed="))
+          {
+             an->en->have_link_pressed = EINA_TRUE;
+             evas_textblock_cursor_format_append(an->start, "<link_pressed>");
+             evas_textblock_cursor_format_prepend(an->end, "</>");
+          }
      }
    ev->event_flags |= rp->mask_flags;
 }
@@ -817,8 +847,29 @@ _edje_anchor_mouse_up_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_
           {
              snprintf(buf, len, "anchor,mouse,up,%i,%s", ev->button, n);
              _edje_emit(ed, buf, rp->part->name);
+             /* Link Pressed effect */
+             if (an->en->have_link_pressed)
+               {
+                  const Evas_Object_Textblock_Node_Format *node;
+                  node = evas_textblock_node_format_first_get(rp->object);
+                  for (; node; node = evas_textblock_node_format_next_get(node))
+                    {
+                        const char *text = evas_textblock_node_format_text_get(node);
+
+                        if (text)
+                          {
+                             if (!strcmp(text, "+ link_pressed"))
+                               {
+                                  evas_textblock_node_format_remove_pair(rp->object,
+                                           (Evas_Object_Textblock_Node_Format *)node);
+                                  break;
+                               }
+                          }
+                    }
+               }
           }
      }
+
    if ((rp->still_in) && (rp->clicked_button == ev->button) && (!ignored))
      {
         snprintf(buf, len, "anchor,mouse,clicked,%i,%s", ev->button, n);