Evas font-engine: Added text_len to text_props which fixes

a bug with cursor position and ligatures.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/evas@56983 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/src/lib/engines/common/evas_font_ot.c b/src/lib/engines/common/evas_font_ot.c
index dbc96b9..6b4f91e 100644 (file)
--- a/src/lib/engines/common/evas_font_ot.c
+++ b/src/lib/engines/common/evas_font_ot.c
@@ -31,10 +31,6 @@ evas_common_font_ot_cluster_size_get(const Evas_Text_Props *props, size_t char_i
          i++)
      ;
    right_bound = i;
-   if (left_bound < 0)
-      left_bound = 0;
-   if (right_bound >= (int) (props->start + props->len))
-      right_bound = props->start + props->len - 1;
 
    if (right_bound == left_bound)
      {
@@ -44,26 +40,22 @@ evas_common_font_ot_cluster_size_get(const Evas_Text_Props *props, size_t char_i
      {
         if (left_bound < 0)
           {
-             items = props->start + props->len -
-                props->info->ot[left_bound + 1].source_cluster;
+             items = props->text_offset + props->text_len - base_cluster;
           }
         else
           {
-             items = props->info->ot[left_bound].source_cluster -
-                props->info->ot[left_bound + 1].source_cluster;
+             items = props->info->ot[left_bound].source_cluster - base_cluster;
           }
      }
    else
      {
-        if (right_bound == (int) (props->start + props->len))
+        if (right_bound > (int) (props->text_offset + props->text_len))
           {
-             items = props->start + props->len -
-                props->info->ot[right_bound - 1].source_cluster;
+             items = props->text_offset + props->text_len - base_cluster;
           }
         else
           {
-             items = props->info->ot[right_bound].source_cluster -
-                props->info->ot[right_bound - 1].source_cluster;
+             items = props->info->ot[right_bound].source_cluster - base_cluster;
           }
      }
    return (items > 0) ? items : 1;

diff --git a/src/lib/engines/common/evas_font_query.c b/src/lib/engines/common/evas_font_query.c
index 6150163..1bada55 100644 (file)
--- a/src/lib/engines/common/evas_font_query.c
+++ b/src/lib/engines/common/evas_font_query.c
@@ -143,7 +143,7 @@ evas_common_font_query_char_coords(RGBA_Font *fn, const Eina_Unicode *text __UNU
 
    position = pos;
    /* If it's the null, choose location according to the direction. */
-   if (text_props->len == position)
+   if (position == text_props->text_len)
      {
         /* if it's rtl then the location is the left of the string,
          * otherwise, the right. */
@@ -267,7 +267,7 @@ evas_common_font_query_pen_coords(RGBA_Font *fn, const Eina_Unicode *text __UNUS
 
    position = pos;
    /* If it's the null, choose location according to the direction. */
-   if (text_props->len == position)
+   if (position == text_props->text_len)
      {
         /* if it's rtl then the location is the left of the string,
          * otherwise, the right. */

diff --git a/src/lib/engines/common/evas_text_utils.c b/src/lib/engines/common/evas_text_utils.c
index b94e6ff..ad1bcd2 100644 (file)
--- a/src/lib/engines/common/evas_text_utils.c
+++ b/src/lib/engines/common/evas_text_utils.c
@@ -143,6 +143,8 @@ evas_common_text_props_split(Evas_Text_Props *base,
         ext->text_offset = base->text_offset + base->len;
 #endif
      }
+   ext->text_len = base->text_len - (ext->text_offset - base->text_offset);
+   base->text_len = (ext->text_offset - base->text_offset);
 }
 
 /* Won't work in the middle of ligatures */
@@ -161,6 +163,7 @@ evas_common_text_props_merge(Evas_Text_Props *item1,
      }
 
    item1->len += item2->len;
+   item1->text_len += item2->text_len;
 }
 
 EAPI Eina_Bool
@@ -325,6 +328,7 @@ evas_common_text_props_content_create(void *_fn, const Eina_Unicode *text,
      }
    text_props->len = len;
 #endif
+   text_props->text_len = len;
    text_props->info->refcount = 1;
    return EINA_TRUE;
 }

diff --git a/src/lib/engines/common/evas_text_utils.h b/src/lib/engines/common/evas_text_utils.h
index 47ab8af..e4907ab 100644 (file)
--- a/src/lib/engines/common/evas_text_utils.h
+++ b/src/lib/engines/common/evas_text_utils.h
@@ -16,6 +16,7 @@ struct _Evas_Text_Props
    size_t start;
    size_t len;
    size_t text_offset; /* The text offset from the start of the info */
+   size_t text_len; /* The length of the original text */
    Evas_BiDi_Props bidi;
    Evas_Script_Type script;
    Evas_Text_Props_Info *info;