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Evas textblock: created _find_layout_item_match that finds the wanted item and line for both texts and formats and with some special case handling. 

Essentially combined code that was just copied around.

SVN revision: 56406
This commit is contained in:
Tom Hacohen 2011-01-30 10:31:22 +00:00
parent 52b44130d9
commit 4dd2bd2a33
1 changed files with 57 additions and 116 deletions
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173
legacy/evas/src/lib/canvas/evas_object_textblock.c
View File

@ -3297,7 +3297,7 @@ _relayout(const Evas_Object *obj)
* @param n the text node - Not null. * @param n the text node - Not null.
* @param pos the position to look for - valid. * @param pos the position to look for - valid.
* @param[out] lnr the line found - not null. * @param[out] lnr the line found - not null.
* @param[out] itr the item found - not null. * @param[out] tir the item found - not null.
* @see _find_layout_format_item_line_match() * @see _find_layout_format_item_line_match()
*/ */
static void static void
@ -4468,6 +4468,52 @@ _evas_textblock_cursor_node_format_before_pos_get(const Evas_Textblock_Cursor *c
} }
#endif #endif
/**
* @internal
* Find the layout item and line that match the cursor.
*
* @param cur the cursor we are currently at. - NOT NULL.
* @param[out] lnr the line found - not null.
* @param[out] itr the item found - not null.
* @return EINA_TRUE if we matched the previous format, EINA_FALSE otherwise.
*/
static Eina_Bool
_find_layout_item_match(const Evas_Textblock_Cursor *cur, Evas_Object_Textblock_Line **lnr, Evas_Object_Textblock_Item **itr)
{
Evas_Textblock_Cursor cur2;
Eina_Bool previous_format = EINA_FALSE;
cur2.obj = cur->obj;
evas_textblock_cursor_copy(cur, &cur2);
if (cur2.pos > 0)
{
cur2.pos--;
}
if (evas_textblock_cursor_format_is_visible_get(cur))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(cur)),
lnr, (Evas_Object_Textblock_Format_Item **) itr);
}
else if (_evas_textblock_cursor_is_at_the_end(cur) &&
evas_textblock_cursor_format_is_visible_get(&cur2))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(&cur2)),
lnr, (Evas_Object_Textblock_Format_Item **) itr);
previous_format = EINA_TRUE;
}
else
{
_find_layout_item_line_match(cur->obj, cur->node, cur->pos, lnr,
(Evas_Object_Textblock_Text_Item **) itr);
}
return previous_format;
}
/** /**
* Return the object's main cursor. * Return the object's main cursor.
* *
@ -4974,42 +5020,13 @@ evas_textblock_cursor_line_char_first(Evas_Textblock_Cursor *cur)
Evas_Object_Textblock *o; Evas_Object_Textblock *o;
Evas_Object_Textblock_Line *ln = NULL; Evas_Object_Textblock_Line *ln = NULL;
Evas_Object_Textblock_Item *it = NULL; Evas_Object_Textblock_Item *it = NULL;
Evas_Object_Textblock_Text_Item *ti = NULL;
Evas_Object_Textblock_Format_Item *fi = NULL;
Evas_Textblock_Cursor cur2;
if (!cur) return; if (!cur) return;
if (!cur->node) return; if (!cur->node) return;
o = (Evas_Object_Textblock *)(cur->obj->object_data); o = (Evas_Object_Textblock *)(cur->obj->object_data);
if (!o->formatted.valid) _relayout(cur->obj); if (!o->formatted.valid) _relayout(cur->obj);
/* Cur 2 is pointing to the previous char */ _find_layout_item_match(cur, &ln, &it);
cur2.obj = cur->obj;
evas_textblock_cursor_copy(cur, &cur2);
if (cur2.pos > 0)
{
cur2.pos--;
}
if (evas_textblock_cursor_format_is_visible_get(cur))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(cur)),
&ln, &fi);
}
else if (_evas_textblock_cursor_is_at_the_end(cur) &&
evas_textblock_cursor_format_is_visible_get(&cur2))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(&cur2)),
&ln, &fi);
}
else
{
_find_layout_item_line_match(cur->obj, cur->node, cur->pos, &ln, &ti);
}
if (!ln) return; if (!ln) return;
if (ln->items) if (ln->items)
@ -5043,42 +5060,13 @@ evas_textblock_cursor_line_char_last(Evas_Textblock_Cursor *cur)
Evas_Object_Textblock *o; Evas_Object_Textblock *o;
Evas_Object_Textblock_Line *ln = NULL; Evas_Object_Textblock_Line *ln = NULL;
Evas_Object_Textblock_Item *it = NULL; Evas_Object_Textblock_Item *it = NULL;
Evas_Object_Textblock_Text_Item *ti = NULL;
Evas_Object_Textblock_Format_Item *fi = NULL;
Evas_Textblock_Cursor cur2;
if (!cur) return; if (!cur) return;
if (!cur->node) return; if (!cur->node) return;
o = (Evas_Object_Textblock *)(cur->obj->object_data); o = (Evas_Object_Textblock *)(cur->obj->object_data);
if (!o->formatted.valid) _relayout(cur->obj); if (!o->formatted.valid) _relayout(cur->obj);
/* Cur 2 is pointing to the previous char */ _find_layout_item_match(cur, &ln, &it);
cur2.obj = cur->obj;
evas_textblock_cursor_copy(cur, &cur2);
if (cur2.pos > 0)
{
cur2.pos--;
}
if (evas_textblock_cursor_format_is_visible_get(cur))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(cur)),
&ln, &fi);
}
else if (_evas_textblock_cursor_is_at_the_end(cur) &&
evas_textblock_cursor_format_is_visible_get(&cur2))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(&cur2)),
&ln, &fi);
}
else
{
_find_layout_item_line_match(cur->obj, cur->node, cur->pos, &ln, &ti);
}
if (!ln) return; if (!ln) return;
if (ln->items) if (ln->items)
@ -6837,12 +6825,12 @@ evas_textblock_cursor_char_geometry_get(const Evas_Textblock_Cursor *cur, Evas_C
{ {
Evas_Object_Textblock *o; Evas_Object_Textblock *o;
Evas_Object_Textblock_Line *ln = NULL; Evas_Object_Textblock_Line *ln = NULL;
Evas_Object_Textblock_Item *it = NULL;
Evas_Object_Textblock_Text_Item *ti = NULL; Evas_Object_Textblock_Text_Item *ti = NULL;
Evas_Object_Textblock_Format_Item *fi = NULL; Evas_Object_Textblock_Format_Item *fi = NULL;
Evas_Textblock_Cursor cur2;
int x = 0, y = 0, w = 0, h = 0; int x = 0, y = 0, w = 0, h = 0;
int pos, ret; int pos, ret;
int previous_format = 0; Eina_Bool previous_format;
if (!cur) return -1; if (!cur) return -1;
o = (Evas_Object_Textblock *)(cur->obj->object_data); o = (Evas_Object_Textblock *)(cur->obj->object_data);
@ -6864,33 +6852,14 @@ evas_textblock_cursor_char_geometry_get(const Evas_Textblock_Cursor *cur, Evas_C
} }
if (!o->formatted.valid) _relayout(cur->obj); if (!o->formatted.valid) _relayout(cur->obj);
/* Cur 2 is pointing to the previous char */ previous_format = _find_layout_item_match(cur, &ln, &it);
cur2.obj = cur->obj; if (it->type == EVAS_TEXTBLOCK_ITEM_TEXT)
evas_textblock_cursor_copy(cur, &cur2);
if (cur2.pos > 0)
{ {
cur2.pos--; ti = _ITEM_TEXT(it);
}
if (evas_textblock_cursor_format_is_visible_get(cur))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(cur)),
&ln, &fi);
}
else if (_evas_textblock_cursor_is_at_the_end(cur) &&
evas_textblock_cursor_format_is_visible_get(&cur2))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(&cur2)),
&ln, &fi);
previous_format = 1;
} }
else else
{ {
_find_layout_item_line_match(cur->obj, cur->node, cur->pos, &ln, &ti); fi = _ITEM_FORMAT(it);
} }
if (ln && ti) if (ln && ti)
@ -6995,9 +6964,7 @@ evas_textblock_cursor_line_geometry_get(const Evas_Textblock_Cursor *cur, Evas_C
{ {
Evas_Object_Textblock *o; Evas_Object_Textblock *o;
Evas_Object_Textblock_Line *ln = NULL; Evas_Object_Textblock_Line *ln = NULL;
Evas_Object_Textblock_Text_Item *ti = NULL; Evas_Object_Textblock_Item *it = NULL;
Evas_Object_Textblock_Format_Item *fi = NULL;
Evas_Textblock_Cursor cur2;
int x, y, w, h; int x, y, w, h;
if (!cur) return -1; if (!cur) return -1;
@ -7009,33 +6976,7 @@ evas_textblock_cursor_line_geometry_get(const Evas_Textblock_Cursor *cur, Evas_C
} }
else else
{ {
/* Cur 2 is pointing to the previous char */ _find_layout_item_match(cur, &ln, &it);
cur2.obj = cur->obj;
evas_textblock_cursor_copy(cur, &cur2);
if (cur2.pos > 0)
{
cur2.pos--;
}
if (evas_textblock_cursor_format_is_visible_get(cur))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(cur)),
&ln, &fi);
}
else if (_evas_textblock_cursor_is_at_the_end(cur) &&
evas_textblock_cursor_format_is_visible_get(&cur2))
{
_find_layout_format_item_line_match(cur->obj,
_evas_textblock_node_visible_at_pos_get(
_evas_textblock_cursor_node_format_at_pos_get(&cur2)),
&ln, &fi);
}
else
{
_find_layout_item_line_match(cur->obj, cur->node, cur->pos, &ln, &ti);
}
} }
if (!ln) return -1; if (!ln) return -1;
x = ln->x; x = ln->x;