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ecore_imf_example: fix comment style 

SVN revision: 83339
This commit is contained in:
Jihoon Kim 2013-01-26 02:58:50 +00:00
parent 81370c8926
commit 0753ec709d
1 changed files with 44 additions and 33 deletions
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77
src/examples/ecore/ecore_imf_example.c
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@ -73,6 +73,7 @@ _entry_focus_out_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
if (en->imf_context)
{
// ecore_imf_context_reset should be called for flushing the preedit string in focus-out event handler
ecore_imf_context_reset(en->imf_context);
ecore_imf_context_focus_out(en->imf_context);
}
@ -129,7 +130,7 @@ _preedit_del(Entry *en)
if (!en->preedit_start || !en->preedit_end) return;
if (!evas_textblock_cursor_compare(en->preedit_start, en->preedit_end)) return;
/* delete the preedit characters */
// delete the preedit characters
evas_textblock_cursor_range_delete(en->preedit_start, en->preedit_end);
}
@ -154,7 +155,7 @@ _preedit_clear(Entry *en)
static Eina_Bool
_ecore_imf_retrieve_surrounding_cb(void *data, Ecore_IMF_Context *ctx, char **text, int *cursor_pos)
{
/* This callback will be called when the Input Method Context module requests the surrounding context. */
// This callback will be called when the Input Method Context module requests the surrounding context.
Entry *en = data;
const char *str;
@ -165,7 +166,7 @@ _ecore_imf_retrieve_surrounding_cb(void *data, Ecore_IMF_Context *ctx, char **te
if (text)
*text = str ? strdup(str) : strdup("");
/* get the current position of cursor */
// get the current position of cursor
if (cursor_pos)
*cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
@ -175,7 +176,7 @@ _ecore_imf_retrieve_surrounding_cb(void *data, Ecore_IMF_Context *ctx, char **te
static void
_ecore_imf_event_delete_surrounding_cb(void *data, Ecore_IMF_Context *ctx, void *event_info)
{
/* called when the input method needs to delete all or part of the context surrounding the cursor */
// called when the input method needs to delete all or part of the context surrounding the cursor
Entry *en = data;
Ecore_IMF_Event_Delete_Surrounding *ev = event_info;
Evas_Textblock_Cursor *del_start, *del_end;
@ -183,15 +184,18 @@ _ecore_imf_event_delete_surrounding_cb(void *data, Ecore_IMF_Context *ctx, void
if (!en) return;
// get the current cursor position
cursor_pos = evas_textblock_cursor_pos_get(en->cursor);
// start cursor position to be deleted
del_start = evas_object_textblock_cursor_new(en->txt_obj);
evas_textblock_cursor_pos_set(del_start, cursor_pos + ev->offset);
// end cursor position to be deleted
del_end = evas_object_textblock_cursor_new(en->txt_obj);
evas_textblock_cursor_pos_set(del_end, cursor_pos + ev->offset + ev->n_chars);
/* implement function to delete character(s) from 'cursor_pos+ev->offset' cursor position to 'cursor_pos + ev->offset + ev->n_chars' */
// implement function to delete character(s) from 'cursor_pos+ev->offset' cursor position to 'cursor_pos + ev->offset + ev->n_chars'
evas_textblock_cursor_range_delete(del_start, del_end);
evas_textblock_cursor_free(del_start);
@ -205,15 +209,16 @@ _ecore_imf_event_commit_cb(void *data, Ecore_IMF_Context *ctx, void *event_info)
char *commit_str = (char *)event_info;
if (!en) return;
/* delete preedit string */
// delete preedit string
_preedit_del(en);
_preedit_clear(en);
printf("commit string : %s\n", commit_str);
// insert the commit string in the editor
evas_object_textblock_text_markup_prepend(en->cursor, commit_str);
/* notify cursor information */
// notify the cursor information
_imf_cursor_info_set(en);
return;
@ -222,7 +227,7 @@ _ecore_imf_event_commit_cb(void *data, Ecore_IMF_Context *ctx, void *event_info)
static void
_ecore_imf_event_preedit_changed_cb(void *data, Ecore_IMF_Context *ctx, void *event_info)
{
/* example how to get preedit string */
// example how to get preedit string
Entry *en = data;
char *preedit_string;
int cursor_pos;
@ -236,19 +241,19 @@ _ecore_imf_event_preedit_changed_cb(void *data, Ecore_IMF_Context *ctx, void *ev
if (!en) return;
/* get preedit string, attributes */
// get preedit string and attributes
ecore_imf_context_preedit_string_with_attributes_get(imf_context, &preedit_string, &attrs, &cursor_pos);
printf("preedit string : %s\n", preedit_string);
if (!strcmp(preedit_string, ""))
preedit_end_state = EINA_TRUE;
/* delete preedit */
// delete preedit
_preedit_del(en);
preedit_start_pos = evas_textblock_cursor_pos_get(en->cursor);
/* insert preedit character(s) */
// insert preedit character(s)
if (strlen(preedit_string) > 0)
{
if (attrs)
@ -257,27 +262,27 @@ _ecore_imf_event_preedit_changed_cb(void *data, Ecore_IMF_Context *ctx, void *ev
{
if (attr->preedit_type == ECORE_IMF_PREEDIT_TYPE_SUB1) // style type
{
/* apply appropriate style such as underline */
// apply appropriate style such as underline
}
else if (attr->preedit_type == ECORE_IMF_PREEDIT_TYPE_SUB2 || attr->preedit_type == ECORE_IMF_PREEDIT_TYPE_SUB3)
{
/* apply appropriate style such as underline */
// apply appropriate style such as underline
}
}
/* insert code to display preedit string in your editor */
// insert code to display preedit string in your editor
evas_object_textblock_text_markup_prepend(en->cursor, preedit_string);
}
}
if (!preedit_end_state)
{
/* set preedit start cursor */
// set preedit start cursor
if (!en->preedit_start)
en->preedit_start = evas_object_textblock_cursor_new(en->txt_obj);
evas_textblock_cursor_copy(en->cursor, en->preedit_start);
/* set preedit end cursor */
// set preedit end cursor
if (!en->preedit_end)
en->preedit_end = evas_object_textblock_cursor_new(en->txt_obj);
evas_textblock_cursor_copy(en->cursor, en->preedit_end);
@ -291,11 +296,11 @@ _ecore_imf_event_preedit_changed_cb(void *data, Ecore_IMF_Context *ctx, void *ev
en->have_preedit = EINA_TRUE;
/* set cursor position */
// set cursor position
evas_textblock_cursor_pos_set(en->cursor, preedit_start_pos + cursor_pos);
}
/* notify cursor information */
// notify the cursor information
_imf_cursor_info_set(en);
EINA_LIST_FREE(attrs, attr)
@ -338,7 +343,7 @@ _key_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
if (evas_textblock_cursor_char_prev(en->cursor))
{
evas_textblock_cursor_char_delete(en->cursor);
/* notify cursor information */
// notify the cursor information
_imf_cursor_info_set(en);
}
return;
@ -396,7 +401,7 @@ _key_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
}
}
/* notify cursor information */
// notify the cursor information
_imf_cursor_info_set(en);
}
@ -425,15 +430,15 @@ create_input_field(Evas *evas, Entry *en, Evas_Coord x, Evas_Coord y, Evas_Coord
{
if (!en) return;
/* create background for text input field */
// create the background for text input field
en->rect = evas_object_rectangle_add(evas);
evas_object_color_set(en->rect, 150, 150, 150, 255); /* gray */
evas_object_color_set(en->rect, 150, 150, 150, 255); // gray color
evas_object_move(en->rect, x, y);
evas_object_resize(en->rect, w, h);
evas_object_show(en->rect);
evas_object_data_set(en->rect, "Entry", en);
/* create text object for displaying text */
// create text object for displaying text
en->txt_obj = evas_object_textblock_add(evas);
evas_object_color_set(en->txt_obj, 0, 0, 0, 255);
evas_object_pass_events_set(en->txt_obj, EINA_TRUE);
@ -441,19 +446,19 @@ create_input_field(Evas *evas, Entry *en, Evas_Coord x, Evas_Coord y, Evas_Coord
evas_object_resize(en->txt_obj, w, h);
evas_object_show(en->txt_obj);
/* set style on textblock */
// set style on textblock
static const char *style_buf =
"DEFAULT='font=Sans font_size=30 color=#000 text_class=entry'"
"newline='br'"
"b='+ font=Sans:style=bold'";
"DEFAULT='font=Sans font_size=30 color=#000 text_class=entry'"
"newline='br'"
"b='+ font=Sans:style=bold'";
en->txt_style = evas_textblock_style_new();
evas_textblock_style_set(en->txt_style, style_buf);
evas_object_textblock_style_set(en->txt_obj, en->txt_style);
/* create cursor */
// create cursor
en->cursor = evas_object_textblock_cursor_new(en->txt_obj);
/* create input context */
// create input context
const char *default_id = ecore_imf_context_default_id_get();
if (!default_id)
return;
@ -462,10 +467,15 @@ create_input_field(Evas *evas, Entry *en, Evas_Coord x, Evas_Coord y, Evas_Coord
ecore_imf_context_client_window_set(en->imf_context, (void *)ecore_evas_window_get(ecore_evas_ecore_evas_get(evas)));
ecore_imf_context_client_canvas_set(en->imf_context, evas);
// register key event handler
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_KEY_DOWN, _key_down_cb, en);
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_KEY_UP, _key_up_cb, en);
// register mouse event handler
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, en);
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, en);
// register focus event handler
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_FOCUS_IN, _entry_focus_in_cb, en);
evas_object_event_callback_add(en->rect, EVAS_CALLBACK_FOCUS_OUT, _entry_focus_out_cb, en);
@ -473,16 +483,16 @@ create_input_field(Evas *evas, Entry *en, Evas_Coord x, Evas_Coord y, Evas_Coord
en->preedit_start = NULL;
en->preedit_end = NULL;
/* register retrieve surrounding callback */
// register retrieve surrounding callback
ecore_imf_context_retrieve_surrounding_callback_set(en->imf_context, _ecore_imf_retrieve_surrounding_cb, en);
/* register commit event callback */
// register commit event callback
ecore_imf_context_event_callback_add(en->imf_context, ECORE_IMF_CALLBACK_COMMIT, _ecore_imf_event_commit_cb, en);
/* register preedit changed event handler */
// register preedit changed event handler
ecore_imf_context_event_callback_add(en->imf_context, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, _ecore_imf_event_preedit_changed_cb, en);
/* register surrounding delete event callback */
// register surrounding delete event callback
ecore_imf_context_event_callback_add(en->imf_context, ECORE_IMF_CALLBACK_DELETE_SURROUNDING, _ecore_imf_event_delete_surrounding_cb, en);
}
@ -575,6 +585,7 @@ main(int argc, char *argv[])
evas_object_color_set(bg, 255, 255, 255, 255);
evas_object_show(bg);
// register canvas focus in/out event handler
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);