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example: check NULL value in ecore imf example

This commit is contained in:
Jihoon Kim 2015-07-14 16:15:35 +09:00
parent 2a1b631d55
commit 16589c4ea4
1 changed files with 33 additions and 18 deletions
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51
unsorted/ecore/ecore_imf_example.c
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@ -78,13 +78,16 @@ _mouse_up_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *o EINA_UNUSED, void *
return;
}
if (evas_object_focus_get(en->rect))
if (en->rect)
{
// notify cursor information
_imf_cursor_info_set(en);
if (evas_object_focus_get(en->rect))
{
// notify cursor information
_imf_cursor_info_set(en);
}
else
evas_object_focus_set(en->rect, EINA_TRUE);
}
else
evas_object_focus_set(en->rect, EINA_TRUE);
}
static void
@ -149,15 +152,20 @@ _imf_cursor_info_set(Entry *en)
if (!en) return;
// get cursor geometry
evas_object_geometry_get(en->txt_obj, &x, &y, &w, &h);
evas_textblock_cursor_geometry_get(en->cursor, &cx, &cy, &cw, &ch, &dir, EVAS_TEXTBLOCK_CURSOR_BEFORE);
if (en->txt_obj)
evas_object_geometry_get(en->txt_obj, &x, &y, &w, &h);
// get cursor position
cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
if (en->cursor && en->imf_context)
{
evas_textblock_cursor_geometry_get(en->cursor, &cx, &cy, &cw, &ch, &dir, EVAS_TEXTBLOCK_CURSOR_BEFORE);
ecore_imf_context_cursor_position_set(en->imf_context, cursor_pos);
ecore_imf_context_cursor_location_set(en->imf_context, x + cx, y + cy, cw, ch);
ecore_imf_context_bidi_direction_set(en->imf_context, (Ecore_IMF_BiDi_Direction)dir);
// get cursor position
cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
ecore_imf_context_cursor_position_set(en->imf_context, cursor_pos);
ecore_imf_context_cursor_location_set(en->imf_context, x + cx, y + cy, cw, ch);
ecore_imf_context_bidi_direction_set(en->imf_context, (Ecore_IMF_BiDi_Direction)dir);
}
}
static void
@ -204,7 +212,7 @@ _ecore_imf_retrieve_surrounding_cb(void *data, Ecore_IMF_Context *ctx EINA_UNUSE
*text = str ? strdup(str) : strdup("");
// get the current position of cursor
if (cursor_pos)
if (cursor_pos && en->cursor)
*cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
return EINA_TRUE;
@ -219,7 +227,7 @@ _ecore_imf_event_delete_surrounding_cb(void *data, Ecore_IMF_Context *ctx EINA_U
Evas_Textblock_Cursor *del_start, *del_end;
int cursor_pos;
if ((!en) || (!ev)) return;
if ((!en) || (!ev) || (!en->cursor)) return;
// get the current cursor position
cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
@ -253,7 +261,8 @@ _ecore_imf_event_commit_cb(void *data, Ecore_IMF_Context *ctx EINA_UNUSED, void
printf("commit string : %s\n", commit_str);
// insert the commit string in the editor
evas_object_textblock_text_markup_prepend(en->cursor, commit_str);
if (en->cursor && commit_str)
evas_object_textblock_text_markup_prepend(en->cursor, commit_str);
// notify the cursor information
_imf_cursor_info_set(en);
@ -276,7 +285,7 @@ _ecore_imf_event_preedit_changed_cb(void *data, Ecore_IMF_Context *ctx, void *ev
int i;
Eina_Bool preedit_end_state = EINA_FALSE;
if (!en) return;
if (!en || !en->cursor) return;
// get preedit string and attributes
ecore_imf_context_preedit_string_with_attributes_get(imf_context, &preedit_string, &attrs, &cursor_pos);
@ -352,7 +361,7 @@ _key_down_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *o EINA_UNUSED, void *
Entry *en = data;
Evas_Event_Key_Down *ev = event_info;
Eina_Bool control, alt, shift;
if ((!en) || (!ev->key)) return;
if ((!en) || (!ev->key) || (!en->cursor)) return;
if (en->imf_context)
{
@ -497,7 +506,10 @@ create_input_field(Evas *evas, Entry *en, Evas_Coord x, Evas_Coord y, Evas_Coord
// create input context
const char *default_id = ecore_imf_context_default_id_get();
if (!default_id)
return;
{
fprintf(stderr, "Can't create ecore_imf_context\n");
return;
}
en->imf_context = ecore_imf_context_add(default_id);
ecore_imf_context_client_window_set(en->imf_context, (void *)ecore_evas_window_get(ecore_evas_ecore_evas_get(evas)));
@ -621,6 +633,9 @@ main(void)
evas_event_callback_add(evas, EVAS_CALLBACK_CANVAS_FOCUS_IN, _canvas_focus_in_cb, NULL);
evas_event_callback_add(evas, EVAS_CALLBACK_CANVAS_FOCUS_OUT, _canvas_focus_out_cb, NULL);
memset(&en1, 0, sizeof(en1));
memset(&en2, 0, sizeof(en2));
// create input field 1
create_input_field(evas, &en1, 40, 60, 400, 80);