/* A utility function to delete a range of text from the editable object.
* It doesn't update the position of the cursor, nor the selection... */
static int
_e_editable_text_delete(Evas_Object *editable, int start, int end)
{
E_Editable_Smart_Data *sd;
int start_id = 0, end_id = 0, i = 0;
if ((!editable) || (!(sd = evas_object_smart_data_get(editable))))
return 0;
start = E_CLAMP(start, 0, sd->unicode_length);
end = E_CLAMP(end, 0, sd->unicode_length);
if (end <= start) return 0;
for (i = 0; i < end; i++)
{
end_id = evas_string_char_next_get(sd->text, end_id, NULL);
if (i < start) start_id = end_id;
}
if (end_id <= start_id) return 0;
memmove(&sd->text[start_id], &sd->text[end_id], sd->char_length - end_id);
sd->char_length -= (end_id - start_id);
sd->unicode_length -= (end - start);
sd->text[sd->char_length] = '\0';
_e_editable_text_update(editable);
return (end - start);
}
/**
* Sets the text of the editable object
*
* @param editable an editable object
* @param text the text to set
*/
EAPI void
e_editable_text_set(Evas_Object *editable, const char *text)
{
E_Editable_Smart_Data *sd;
if (evas_object_smart_smart_get(editable) != _e_editable_smart) SMARTERRNR();
if ((!editable) || (!(sd = evas_object_smart_data_get(editable))))
return;
if (sd->password_mode) memset(sd->text, 0, sd->char_length);
free(sd->text);
sd->text = NULL;
sd->char_length = 0;
sd->unicode_length = 0;
sd->allocated_length = -1;
if (_e_editable_text_insert(editable, 0, text) <= 0)
{
sd->text = malloc((E_EDITABLE_BLOCK_SIZE + 1) * sizeof(char));
sd->text[0] = '\0';
sd->char_length = 0;
sd->unicode_length = 0;
sd->allocated_length = E_EDITABLE_BLOCK_SIZE;
_e_editable_text_update(editable);
}
sd->cursor_pos = sd->unicode_length;
sd->selection_pos = sd->unicode_length;
_e_editable_cursor_update(editable);
}
/**
* Sets whether or not the editable object is in password mode. In password
* mode, the editable object displays '*' instead of the characters
*
* @param editable an editable object
* @param password_mode 1 to turn on the password mode of the editable object,
* 0 to turn it off
*/
EAPI void
e_editable_password_set(Evas_Object *editable, int password_mode)
{
E_Editable_Smart_Data *sd;
if ((!editable) || (!(sd = evas_object_smart_data_get(editable))))
return;
if (sd->password_mode == password_mode) return;
sd->password_mode = password_mode;
_e_editable_text_update(editable);
_e_editable_cursor_update(editable);
}
/**
* Sets the theme group to be used by the editable object.
* This function has to be called, or the cursor and the selection won't be
* visible.
*
* @param editable an editable object
* @param category the theme category to use for the editable object
* @param group the theme group to use for the editable object
*/
EAPI void
e_editable_theme_set(Evas_Object *editable, const char *category, const char *group)
{
E_Editable_Smart_Data *sd;
char *obj_group;
const char *data;
if (evas_object_smart_smart_get(editable) != _e_editable_smart) SMARTERRNR();
if ((!editable) || (!(sd = evas_object_smart_data_get(editable))))
return;
if ((!category) || (!group)) return;
obj_group = alloca(strlen(group) + strlen("/selection") + 1);
/* Gets the theme for the text object */
sprintf(obj_group, "%s/text", group);
e_theme_edje_object_set(sd->text_object, category, obj_group);
sd->average_char_w = -1;
sd->average_char_h = -1;
/* Gets the theme for the cursor */
sprintf(obj_group, "%s/cursor", group);
e_theme_edje_object_set(sd->cursor_object, category, obj_group);
edje_object_size_min_get(sd->cursor_object, &sd->cursor_width, NULL);
if (sd->cursor_width < 1) sd->cursor_width = 1;
/* Gets the theme for the selection */
sprintf(obj_group, "%s/selection", group);
e_theme_edje_object_set(sd->selection_object, category, obj_group);
data = edje_object_data_get(sd->selection_object, "on_foreground");
if ((data) && (strcmp(data, "1") == 0))
{
sd->selection_on_fg = 1;
evas_object_stack_above(sd->selection_object, sd->text_object);
}
else
{
sd->selection_on_fg = 0;
evas_object_stack_below(sd->selection_object, sd->text_object);
}
_e_editable_text_update(editable);
_e_editable_cursor_update(editable);
}
/* A utility function to insert some text inside the editable object.
* It doesn't update the position of the cursor, nor the selection... */
static int
_e_editable_text_insert(Evas_Object *editable, int pos, const char *text)
{
E_Editable_Smart_Data *sd;
int char_length = -1, unicode_length = -1;
int prev_char_length, new_char_length, new_unicode_length;
int index = 0, i = 0;
if ((!editable) || (!(sd = evas_object_smart_data_get(editable))))
return 0;
if ((!text) || (*text == '\0')) return 0;
if (pos < 0) pos = 0;
else if (pos > sd->unicode_length)
pos = sd->unicode_length;
for (i = 0; i != char_length; i = evas_string_char_next_get(text, i, NULL))
{
char_length = i;
unicode_length++;
}
for (i = 0; i < pos; i++)
index = evas_string_char_next_get(sd->text, index, NULL);
if ((unicode_length <= 0) || (char_length <= 0)) return 0;
prev_char_length = sd->char_length;
new_char_length = sd->char_length + char_length;
new_unicode_length = sd->unicode_length + unicode_length;
if (new_char_length > sd->allocated_length)
{
int new_allocated_length = E_EDITABLE_SIZE_TO_ALLOC(new_char_length);
char *old = sd->text;
if (sd->password_mode)
{
/* security -- copy contents into new buffer, and overwrite old contents */
sd->text = malloc(new_allocated_length + 1);
if (!sd->text)
{
sd->text = old;
return 0;
}
if (old)
{
memcpy(sd->text, old, prev_char_length + 1);
memset(old, 0, prev_char_length);
free(old);
}
}
else
{
sd->text = realloc(sd->text, new_allocated_length + 1);
if (!sd->text)
{
sd->text = old;
return 0;
}
}
sd->allocated_length = new_allocated_length;
}
sd->unicode_length = new_unicode_length;
sd->char_length = new_char_length;
if (prev_char_length > index)
memmove(&sd->text[index + char_length], &sd->text[index], prev_char_length - index);
strncpy(&sd->text[index], text, char_length);
sd->text[sd->char_length] = '\0';
_e_editable_text_update(editable);
return unicode_length;
}
