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enventor/src/lib/reference.c

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Enventor.h>
#include "enventor_private.h"
/* This is a node for a list structure.
Each node has its parent name list. */
typedef struct keyword_s
{
char *name;
char *desc;
Eina_List *children_list; //Children keyword data list
int ref_cnt; //Reference count
} keyword_data;
typedef struct ref_s
{
Eina_File *source_file;
keyword_data *keyword_root; //Root node of keyword data tree
char *keyword_name;
char *keyword_desc;
edit_data *ed;
Evas_Object *event_rect;
Evas_Object *layout;
} ref_data;
typedef struct inherit_s
{
keyword_data *derived_keyword; //Derived keyword
char *base_keyword_full_name; //Base keyword's name (e.g. collections.group)
} inherit_data;
static ref_data *g_rd = NULL;
/*****************************************************************************/
/* Internal method implementation */
/*****************************************************************************/
static void keyword_data_free(keyword_data *keyword);
static void ref_event_rect_delete(void);
static void ref_layout_delete(void);
static void
keyword_data_free(keyword_data *keyword)
{
if (!keyword) return;
keyword->ref_cnt--;
if (keyword->ref_cnt > 0) return;
if (keyword->name)
free(keyword->name);
if (keyword->desc)
free(keyword->desc);
keyword_data *child_keyword;
EINA_LIST_FREE(keyword->children_list, child_keyword)
{
keyword_data_free(child_keyword);
}
free(keyword);
}
static char *
cursor_keyword_name_find(Evas_Object *entry)
{
Evas_Object *tb = NULL;
Evas_Textblock_Cursor *cur_orig = NULL;
Evas_Textblock_Cursor *cur_begin = NULL;
Evas_Textblock_Cursor *cur_end = NULL;
int cur_orig_pos = 0;
int cur_begin_pos = 0;
char *cur_orig_ptr = NULL;
char *cur_begin_ptr = NULL;
char *cur_end_ptr = NULL;
char *cur_text = NULL;
char *keyword_name = NULL;
tb = elm_entry_textblock_get(entry);
cur_orig = evas_object_textblock_cursor_get(tb);
if (!cur_orig) return NULL;
//Show keyword reference only if cursor is located in a correct keyword.
cur_text = evas_textblock_cursor_content_get(cur_orig);
if (!cur_text || (!isalnum(*cur_text) && (*cur_text != '_'))) goto end;
free(cur_text);
cur_text = NULL;
cur_orig_pos = evas_textblock_cursor_pos_get(cur_orig);
//Find beginning cursor position of the keyword.
cur_begin = evas_object_textblock_cursor_new(tb);
if (!cur_begin) goto end;
evas_textblock_cursor_pos_set(cur_begin, cur_orig_pos);
if (!evas_textblock_cursor_word_start(cur_begin)) goto end;
//Find ending cursor position of the keyword.
cur_end = evas_object_textblock_cursor_new(tb);
if (!cur_end) goto end;
evas_textblock_cursor_pos_set(cur_end, cur_orig_pos);
if (!evas_textblock_cursor_word_end(cur_end)) goto end;
/* Move ending cursor by one character because cursor_range_text_get does
not include character of ending cursor. */
evas_textblock_cursor_char_next(cur_end);
cur_text = evas_textblock_cursor_range_text_get(cur_begin, cur_end,
EVAS_TEXTBLOCK_TEXT_PLAIN);
if (!cur_text) goto end;
//Need to check if cursor text contains special character such as '.'.
cur_begin_pos = evas_textblock_cursor_pos_get(cur_begin);
cur_orig_ptr = cur_text + (cur_orig_pos - cur_begin_pos);
//Find valid keyword beginning position from cursor text.
char *cur_ptr = cur_orig_ptr;
while (cur_ptr >= cur_text)
{
if (isalnum(*cur_ptr) || (*cur_ptr == '_'))
cur_begin_ptr = cur_ptr;
else
break;
cur_ptr--;
}
//Find valid keyword ending position from cursor text.
cur_ptr = cur_orig_ptr;
char *cur_text_end = cur_text + strlen(cur_text) - 1;
while (cur_ptr <= cur_text_end)
{
if (isalnum(*cur_ptr) || (*cur_ptr == '_'))
cur_end_ptr = cur_ptr;
else
break;
cur_ptr++;
}
keyword_name = eina_strndup(cur_begin_ptr, (cur_end_ptr - cur_begin_ptr + 1));
end:
if (cur_begin) evas_textblock_cursor_free(cur_begin);
if (cur_end) evas_textblock_cursor_free(cur_end);
if (cur_text) free(cur_text);
return keyword_name;
}
/* Find keyword hierarchy in the given text and keyword name.
(e.g. Keyword hierarchy of "parts" is collections -> group -> parts)
Return keyword name list (e.g. collections -> group -> parts). */
static Eina_List *
keyword_hierarchy_find(const char *text, const char *keyword_name)
{
ref_data *rd = g_rd;
if (!rd) return NULL;
if (!rd->ed) return NULL;
if (!text) return NULL;
if (!keyword_name) return NULL;
Eina_List *keyword_hierarchy = eina_list_append(NULL, strdup(keyword_name));
//Check from the end of the text.
char *ptr = (char *)(text + ((strlen(text) - 1) * sizeof(char)));
int height = 0;
int next_height = height + 1;
const char *parent_begin = NULL;
const char *parent_end = NULL;
//Check if dot('.') grammar is valid to identify parent keyword.
Eina_Bool dot_grammar_valid = EINA_TRUE;
while (text <= ptr)
{
if ((*ptr == '{') || (dot_grammar_valid && (*ptr == '.')))
{
if (dot_grammar_valid)
dot_grammar_valid = EINA_FALSE;
height++;
if (height == next_height)
{
ptr--;
if (text > ptr) break;
parent_begin = NULL;
parent_end = NULL;
while (text <= ptr)
{
if (isspace(*ptr))
{
if (parent_end)
{
parent_begin = ptr + 1;
break;
}
}
else
{
if (!parent_end)
parent_end = ptr;
}
ptr--;
}
if (!parent_end)
continue;
if (parent_end && !parent_begin)
parent_begin = text;
char *parent_name = eina_strndup(parent_begin,
(parent_end - parent_begin + 1));
keyword_hierarchy = eina_list_prepend(keyword_hierarchy,
parent_name);
next_height++;
}
}
else if (*ptr == '}')
{
if (dot_grammar_valid)
dot_grammar_valid = EINA_FALSE;
height--;
}
else if (dot_grammar_valid && !isalnum(*ptr))
{
dot_grammar_valid = EINA_FALSE;
}
ptr--;
}
//In case of sub items, it won't contain "collections".
//We added it arbitrary.
if (!edit_is_main_file(rd->ed))
{
keyword_hierarchy = eina_list_prepend(keyword_hierarchy,
strdup("collections"));
}
return keyword_hierarchy;
}
static keyword_data *
keyword_data_find_internal(Eina_List *keyword_list, const char *keyword_name)
{
if (!keyword_list) return NULL;
if (!keyword_name) return NULL;
Eina_List *l = NULL;
keyword_data *keyword = NULL;
EINA_LIST_FOREACH(keyword_list, l, keyword)
{
if (!strcmp(keyword->name, keyword_name))
return keyword;
}
return NULL;
}
/* Find keyword which has the given keyword hierarchy.
(e.g. Find "group" keyword which has keyword hierarchy, collections -> group)
*/
static keyword_data *
keyword_data_find(keyword_data *keyword_root, Eina_List *keyword_hierarchy)
{
if (!keyword_root) return NULL;
if (!keyword_hierarchy) return NULL;
Eina_List *l = NULL;
char *keyword_name = NULL;
keyword_data *keyword = keyword_root;
keyword_data *found_keyword = NULL;
EINA_LIST_FOREACH(keyword_hierarchy, l, keyword_name)
{
keyword = keyword_data_find_internal(keyword->children_list,
keyword_name);
found_keyword = keyword;
if (!keyword) break;
}
return found_keyword;
}
static keyword_data *
cursor_keyword_data_find(Evas_Object *entry, keyword_data *keyword_root,
const char *keyword_name)
{
keyword_data *found_keyword = NULL;
if (!entry) return NULL;
if (!keyword_root) return NULL;
if (!keyword_name) return NULL;
//Get text before cursor position.
Evas_Object *tb = elm_entry_textblock_get(entry);
Evas_Textblock_Cursor *cur_begin = evas_object_textblock_cursor_new(tb);
Evas_Textblock_Cursor *cur_end = evas_object_textblock_cursor_get(tb);
char *utf8_text = NULL;
Eina_List *keyword_hierarchy = NULL;
/* FIXME: Getting text from range with EVAS_TEXTBLOCK_TEXT_PLAIN generates
garbage characters.
So please use EVAS_TEXTBLOCK_TEXT_PLAIN after the bug is fixed. */
char *markup_text =
evas_textblock_cursor_range_text_get(cur_begin, cur_end,
EVAS_TEXTBLOCK_TEXT_MARKUP);
if (!markup_text) goto end;
utf8_text = evas_textblock_text_markup_to_utf8(NULL, markup_text);
free(markup_text);
markup_text = NULL;
//Find keyword hierarchy of the selected keyword in text.
keyword_hierarchy = keyword_hierarchy_find((const char *)utf8_text,
keyword_name);
found_keyword = keyword_data_find(keyword_root, keyword_hierarchy);
end:
if (cur_begin) evas_textblock_cursor_free(cur_begin);
if (utf8_text) free(utf8_text);
char *keyword_hierarchy_name = NULL;
EINA_LIST_FREE(keyword_hierarchy, keyword_hierarchy_name)
{
free(keyword_hierarchy_name);
}
return found_keyword;
}
/* Parse keyword's full name into keyword name list.
(e.g. collections.group.parts is parsed into collections -> group -> parts)
Return keyword name list. */
static Eina_List *
keyword_full_name_parse(const char *keyword_full_name)
{
if (!keyword_full_name) return NULL;
Eina_List *keyword_hierarchy = NULL;
int len = strlen(keyword_full_name);
char *keyword_name = NULL;
char *keyword_begin = (char *)keyword_full_name;
char *keyword_end = (char *)keyword_full_name + len;
char *dot = strstr(keyword_full_name, ".");
while (dot)
{
keyword_name = eina_strndup(keyword_begin, (dot - keyword_begin));
keyword_hierarchy = eina_list_append(keyword_hierarchy, keyword_name);
keyword_begin = dot + 1; //Move pointer after ".".
if (keyword_begin >= keyword_end)
break;
dot = strstr(keyword_begin, ".");
}
keyword_hierarchy =
eina_list_append(keyword_hierarchy,
eina_strndup(keyword_begin, (keyword_end - keyword_begin)));
return keyword_hierarchy;
}
/* Find base keyword's full name for keyword inheritance.
inherit_end indicates the ending position of #inherit expression.
Return base keyword's full name. (e.g. collections.group.parts.part) */
static char *
inherit_find(const char *text_begin, const char *text_end, char **inherit_end)
{
if (!text_begin) return NULL;
if (!text_end) return NULL;
char *base_keyword_full_name = NULL;
char *base_keyword_begin = NULL;
char *base_keyword_end = NULL;
base_keyword_begin = strstr(text_begin, "#inherit \"");
if (!base_keyword_begin || (base_keyword_begin > text_end))
return NULL;
base_keyword_begin += 10; //Move pointer after "\"".
base_keyword_end = strstr(base_keyword_begin, "\";");
if (!base_keyword_end || (base_keyword_end > text_end))
return NULL;
base_keyword_end--;
base_keyword_full_name =
eina_strndup((const char *)base_keyword_begin,
(base_keyword_end - base_keyword_begin + 1));
//Indicates the ending position of #inherit expression.
*inherit_end = base_keyword_end + 3; //Move pointer after "\";".
return base_keyword_full_name;
}
static void
keyword_tree_load_internal(keyword_data *keyword_root, char **ptr,
Eina_List **inherit_list)
{
if (!keyword_root) return;
if (!*ptr) return;
if (!inherit_list) return;
int len = strlen(*ptr);
const char *text_end = *ptr + len;
while (*ptr < text_end)
{
keyword_data *keyword = NULL;
char *keyword_name = NULL;
char *keyword_desc = NULL;
char *block_begin = NULL;
char *block_end = NULL;
//Find beginning position of keyword block to check pointer.
block_begin = strstr(*ptr, "{");
if (!block_begin) break;
//Find ending position of keyword block to check pointer.
block_end = strstr(*ptr, "}");
if (!block_end) break;
if (block_begin > block_end) break;
//Find keyword name.
char *keyword_name_begin = NULL;
char *keyword_name_end = NULL;
for ( ; *ptr < block_begin; (*ptr)++)
{
if (!isspace(**ptr))
{
if (!keyword_name_begin)
{
keyword_name_begin = *ptr;
keyword_name_end = *ptr;
}
else
keyword_name_end = *ptr;
}
}
if (!keyword_name_begin || !keyword_name_end) break;
keyword_name = eina_strndup(keyword_name_begin,
(keyword_name_end - keyword_name_begin + 1));
if (!keyword_name) break;
(*ptr)++; //Move pointer after "{".
//Find keyword description.
char *keyword_desc_begin = NULL;
char *keyword_desc_end = NULL;
keyword_desc_begin = strstr(*ptr, "\"");
if (!keyword_desc_begin)
{
free(keyword_name);
break;
}
keyword_desc_begin++;
keyword_desc_end = strstr(keyword_desc_begin, "\";");
if (!keyword_desc_end)
{
free(keyword_name);
break;
}
keyword_desc_end--;
keyword_desc =
eina_strndup((const char *)keyword_desc_begin,
(keyword_desc_end - keyword_desc_begin + 1));
if (!keyword_desc)
{
free(keyword_name);
break;
}
*ptr = keyword_desc_end + 3; //Move pointer after "\";".
//Create a new keyword data and Append it to children list.
keyword = calloc(1, sizeof(keyword_data));
keyword->name = keyword_name;
keyword->desc = keyword_desc;
keyword->ref_cnt = 1;
//Find the next block regardless of the block type (i.e. "{" or "}").
char *next_block = strstr(*ptr, "{");
if (!next_block || (next_block > block_end))
next_block = block_end;
//Find #inherit expression for keyword inheritance.
inherit_data *inherit = NULL;
char *base_keyword_full_name = NULL;
char *inherit_end = NULL;
base_keyword_full_name = inherit_find(*ptr, next_block, &inherit_end);
if (base_keyword_full_name)
{
inherit = calloc(1, sizeof(inherit_data));
inherit->derived_keyword = keyword;
inherit->base_keyword_full_name = base_keyword_full_name;
*inherit_list = eina_list_append(*inherit_list, inherit);
*ptr = inherit_end;
}
//Set child keyword node recursively.
keyword_tree_load_internal(keyword, ptr, inherit_list);
//Find ending position of keyword block to update pointer.
block_end = strstr(*ptr, "}");
if (!block_end)
{
if (inherit)
{
*inherit_list = eina_list_remove(*inherit_list, inherit);
free(inherit->base_keyword_full_name);
free(inherit);
}
keyword_data_free(keyword);
break;
}
*ptr = block_end + 1; //Move pointer after "}".
keyword_root->children_list =
eina_list_append(keyword_root->children_list, keyword);
}
}
/* Load keywords' names and descriptions into a tree structure. */
static void
keyword_tree_load(keyword_data *keyword_root, char **ptr)
{
if (!keyword_root) return;
if (!*ptr) return;
Eina_List *inherit_list = NULL;
inherit_data *inherit = NULL;
//Load keywords' names and descriptions.
keyword_tree_load_internal(keyword_root, ptr, &inherit_list);
//Update keywords' children lists based on keyword inheritance.
EINA_LIST_FREE(inherit_list, inherit)
{
Eina_List *keyword_hierarchy = NULL;
keyword_data *base_keyword = NULL;
keyword_hierarchy =
keyword_full_name_parse(inherit->base_keyword_full_name);
/* Copy base child keyword to derive child keyword if it is not
overriding keyword. */
base_keyword = keyword_data_find(keyword_root, keyword_hierarchy);
if (base_keyword && (base_keyword->children_list))
{
Eina_List **derived_children_list = NULL;
Eina_List **base_children_list = NULL;
Eina_List *l = NULL;
keyword_data *base_child_keyword = NULL;
derived_children_list = &(inherit->derived_keyword->children_list);
base_children_list = &(base_keyword->children_list);
EINA_LIST_FOREACH(*base_children_list, l, base_child_keyword)
{
keyword_data *overriding_keyword =
keyword_data_find_internal(*derived_children_list,
base_child_keyword->name);
if (!overriding_keyword)
{
*derived_children_list =
eina_list_append(*derived_children_list,
base_child_keyword);
base_child_keyword->ref_cnt++;
}
}
}
char *keyword_hierarchy_name = NULL;
EINA_LIST_FREE(keyword_hierarchy, keyword_hierarchy_name)
{
free(keyword_hierarchy_name);
}
free(inherit->base_keyword_full_name);
free(inherit);
}
}
static void
ref_load(ref_data *rd)
{
if (!rd) return;
char buf[PATH_MAX];
snprintf(buf, sizeof(buf), "%s/reference/reference.src",
eina_prefix_data_get(PREFIX));
//Open source file.
rd->source_file = eina_file_open((const char *)buf, EINA_FALSE);
if (!rd->source_file) return;
//Load text from source file.
char *text = (char *)eina_file_map_all(rd->source_file, EINA_FILE_POPULATE);
if (!text) goto end;
if (rd->keyword_root)
{
keyword_data_free(rd->keyword_root);
rd->keyword_root = NULL;
}
//Create keyword root node.
keyword_data *keyword_root = calloc(1, sizeof(keyword_data));
keyword_root->name = NULL;
keyword_root->desc = NULL;
keyword_root->ref_cnt = 1;
char *ptr = text;
//Load keyword data tree from text.
keyword_tree_load(keyword_root, &ptr);
rd->keyword_root = keyword_root;
end:
if (text) eina_file_map_free(rd->source_file, text);
eina_file_close(rd->source_file);
rd->source_file = NULL;
}
static void
event_rect_mouse_down_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED,
Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_unfocused_cb(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_move_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED,
Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_changed_cb(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_changed_user_cb(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_cursor_changed_cb(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
entry_cursor_changed_manual_cb(void *data EINA_UNUSED,
Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
{
ref_event_rect_delete();
ref_layout_delete();
}
static void
ref_event_rect_delete(void)
{
ref_data *rd = g_rd;
if (!rd) return;
if (!rd->event_rect) return;
evas_object_del(rd->event_rect);
rd->event_rect = NULL;
}
static void
ref_layout_delete(void)
{
ref_data *rd = g_rd;
if (!rd) return;
if (!rd->layout) return;
evas_object_del(rd->layout);
rd->layout = NULL;
if (!rd->ed) return;
//Delete entry callbacks to delete reference layout.
Evas_Object *edit_entry = edit_entry_get(rd->ed);
evas_object_event_callback_del(edit_entry, EVAS_CALLBACK_MOVE,
entry_move_cb);
evas_object_smart_callback_del(edit_entry, "unfocused", entry_unfocused_cb);
evas_object_smart_callback_del(edit_entry, "changed", entry_changed_cb);
evas_object_smart_callback_del(edit_entry, "changed,user",
entry_changed_user_cb);
evas_object_smart_callback_del(edit_entry, "cursor,changed",
entry_cursor_changed_cb);
evas_object_smart_callback_del(edit_entry, "cursor,changed,manual",
entry_cursor_changed_manual_cb);
}
static Evas_Object *
ref_event_rect_create(Evas_Object *edit_obj)
{
if (!edit_obj) return NULL;
//event_rect catches mouse down event, which delete reference layout.
Evas_Object *win = elm_object_top_widget_get(edit_obj);
Evas *e = evas_object_evas_get(win);
Evas_Object *rect = evas_object_rectangle_add(e);
evas_object_repeat_events_set(rect, EINA_TRUE);
evas_object_color_set(rect, 0, 0, 0, 0);
evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN,
event_rect_mouse_down_cb, NULL);
evas_object_size_hint_weight_set(rect, EVAS_HINT_EXPAND,
EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, rect);
evas_object_show(rect);
return rect;
}
static Evas_Object *
ref_layout_create(Evas_Object *edit_entry, const char *desc)
{
if (!edit_entry) return NULL;
if (!desc) return NULL;
Evas_Object *layout = elm_layout_add(edit_entry);
if (!layout)
{
EINA_LOG_ERR("Failed to allocate Memory!");
return NULL;
}
elm_layout_file_set(layout, EDJE_PATH, "reference_layout");
//Do not apply edit entry's font scale to reference layout.
elm_object_scale_set(layout, 1.0);
Evas_Object *entry = elm_entry_add(layout);
elm_object_style_set(entry, "enventor");
elm_entry_editable_set(entry, EINA_FALSE);
elm_entry_scrollable_set(entry, EINA_TRUE);
evas_object_size_hint_weight_set(entry, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(entry, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_entry_entry_set(entry, desc);
elm_object_part_content_set(layout, "elm.swallow.content", entry);
evas_object_show(layout);
//Add entry callbacks to delete reference layout.
evas_object_event_callback_add(edit_entry, EVAS_CALLBACK_MOVE, entry_move_cb,
NULL);
evas_object_smart_callback_add(edit_entry, "unfocused", entry_unfocused_cb,
NULL);
evas_object_smart_callback_add(edit_entry, "changed", entry_changed_cb,
NULL);
evas_object_smart_callback_add(edit_entry, "changed,user",
entry_changed_user_cb, NULL);
evas_object_smart_callback_add(edit_entry, "cursor,changed",
entry_cursor_changed_cb, NULL);
evas_object_smart_callback_add(edit_entry, "cursor,changed,manual",
entry_cursor_changed_manual_cb, NULL);
return layout;
}
/*****************************************************************************/
/* Externally accessible calls */
/*****************************************************************************/
void
ref_show(edit_data *ed)
{
ref_data *rd = g_rd;
Evas_Object *edit_obj = NULL;
Evas_Object *edit_entry = NULL;
if (!rd) return;
if (!ed) return;
rd->ed = ed;
//Return if reference layout is already shown.
if (rd->event_rect || rd->layout) return;
edit_obj = edit_obj_get(ed);
edit_entry = edit_entry_get(ed);
//Set keyword name.
if (rd->keyword_name) free(rd->keyword_name);
rd->keyword_name = cursor_keyword_name_find(edit_entry);
if (!rd->keyword_name) return;
//Set keyword desc.
if (rd->keyword_desc)
{
free(rd->keyword_desc);
rd->keyword_desc = NULL;
}
keyword_data *keyword = cursor_keyword_data_find(edit_entry,
rd->keyword_root,
rd->keyword_name);
if (keyword)
rd->keyword_desc = strdup(keyword->desc);
if (!rd->keyword_desc) return;
//Create event rect which catches mouse down event.
rd->event_rect = ref_event_rect_create(edit_obj);
//Create reference layout.
rd->layout = ref_layout_create(edit_entry, rd->keyword_desc);
//Calculate reference layout position.
Evas_Coord obj_x, obj_y, obj_w, obj_h;
evas_object_geometry_get(edit_obj, &obj_x, &obj_y, &obj_w, &obj_h);
Evas_Coord entry_x, entry_y;
evas_object_geometry_get(edit_entry, &entry_x, &entry_y, NULL, NULL);
Evas_Coord cur_x, cur_y, cur_h;
elm_entry_cursor_geometry_get(edit_entry, &cur_x, &cur_y, NULL, &cur_h);
char *layout_width =
(char *)edje_object_data_get(elm_layout_edje_get(rd->layout), "width");
char *layout_height =
(char *)edje_object_data_get(elm_layout_edje_get(rd->layout), "height");
if (!layout_width || !layout_height) return;
const Evas_Coord ref_w = ELM_SCALE_SIZE(atoi(layout_width));
const Evas_Coord ref_h = ELM_SCALE_SIZE(atoi(layout_height));
Evas_Coord ref_x = 0;
Evas_Coord ref_y = 0;
//The center of reference layout is the entry cursor position.
if (cur_x < (ref_w / 2))
ref_x = obj_x;
else if ((obj_w - (entry_x - obj_x + cur_x)) < (ref_w / 2))
ref_x = obj_x + obj_w - ref_w;
else
ref_x = entry_x + cur_x - (ref_w / 2);
if (((obj_y + obj_h) - (entry_y + cur_y + cur_h)) < ref_h)
ref_y = entry_y + cur_y - ref_h;
else
ref_y = entry_y + cur_y + cur_h;
evas_object_move(rd->layout, ref_x, ref_y);
}
void
ref_init(void)
{
ref_data *rd = calloc(1, sizeof(ref_data));
if (!rd)
{
EINA_LOG_ERR("Failed to allocate Memory!");
return;
}
ref_load(rd);
g_rd = rd;
}
void
ref_term(void)
{
ref_data *rd = g_rd;
keyword_data_free(rd->keyword_root);
if (rd->keyword_name) free(rd->keyword_name);
if (rd->keyword_desc) free(rd->keyword_desc);
ref_event_rect_delete();
ref_layout_delete();
free(rd);
g_rd = NULL;
}
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