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feat(ime_pinyin): add API to support 9-key input mode (#3447)

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* feat(ime_pinyin): add API to support 9-key input mode

* some optimizations for lv_ime_pinyin

* Update lv_example_ime_pinyin_2.c

* Update src/extra/others/ime/lv_ime_pinyin.h

Co-authored-by: YobeZhou <smilezyb@163.com>
Co-authored-by: Yobe Zhou <33565334+YobeZhou@users.noreply.github.com>
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
This commit is contained in:
100ask
2022-07-06 15:04:53 +08:00
committed by GitHub
parent 73114028d3
commit 10e0b7a1ad
10 changed files with 572 additions and 46 deletions
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8
examples/others/ime/index.rst
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@@ -1,8 +1,12 @@
Simple Pinyin IME example
"""""""""""""""""""
Pinyin IME 26 key input
"""""""""""""""""""""""""
.. lv_example:: others/ime/lv_example_ime_pinyin_1
:language: c
Pinyin IME 9 key input
"""""""""""""""""""""""""
.. lv_example:: others/ime/lv_example_ime_pinyin_2
:language: c

1
examples/others/ime/lv_example_ime_pinyin.h
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@@ -26,6 +26,7 @@ extern "C" {
* GLOBAL PROTOTYPES
**********************/
void lv_example_ime_pinyin_1(void);
void lv_example_ime_pinyin_2(void);
/**********************
* MACROS

6
examples/others/ime/lv_example_ime_pinyin_1.c
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@@ -1,5 +1,5 @@
#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_USE_TEXTAREA && LV_FONT_SIMSUN_16_CJK && LV_USE_IME_PINYIN && LV_BUILD_EXAMPLES
#if LV_USE_LABEL && LV_USE_TEXTAREA && LV_FONT_SIMSUN_16_CJK && LV_USE_IME_PINYIN && LV_BUILD_EXAMPLES
static void ta_event_cb(lv_event_t * e)
{
@@ -13,7 +13,7 @@ static void ta_event_cb(lv_event_t * e)
lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
}
else if(code == LV_EVENT_READY || code == LV_EVENT_CANCEL) {
else if(code == LV_EVENT_CANCEL) {
lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
lv_obj_clear_state(ta, LV_STATE_FOCUSED);
lv_indev_reset(NULL, ta); /*To forget the last clicked object to make it focusable again*/
@@ -24,7 +24,7 @@ void lv_example_ime_pinyin_1(void)
{
lv_obj_t * pinyin_ime = lv_ime_pinyin_create(lv_scr_act());
lv_obj_set_style_text_font(pinyin_ime, &lv_font_simsun_16_cjk, 0);
//lv_ime_pinyin_set_dict(pinyin_ime, your_dict); // Use a custom dictionary. If it is not set, the built-in thesaurus will be used.
//lv_ime_pinyin_set_dict(pinyin_ime, your_dict); // Use a custom dictionary. If it is not set, the built-in dictionary will be used.
/* ta1 */
lv_obj_t * ta1 = lv_textarea_create(lv_scr_act());

58
examples/others/ime/lv_example_ime_pinyin_2.c Normal file
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@@ -0,0 +1,58 @@
#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_USE_TEXTAREA && LV_FONT_SIMSUN_16_CJK && LV_USE_IME_PINYIN && LV_IME_PINYIN_USE_K9_MODE && LV_BUILD_EXAMPLES
static void ta_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * ta = lv_event_get_target(e);
lv_obj_t * kb = lv_event_get_user_data(e);
if(code == LV_EVENT_FOCUSED) {
if(lv_indev_get_type(lv_indev_get_act()) != LV_INDEV_TYPE_KEYPAD) {
lv_keyboard_set_textarea(kb, ta);
lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
}
else if(code == LV_EVENT_READY) {
lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
lv_obj_clear_state(ta, LV_STATE_FOCUSED);
lv_indev_reset(NULL, ta); /*To forget the last clicked object to make it focusable again*/
}
}
void lv_example_ime_pinyin_2(void)
{
lv_obj_t * pinyin_ime = lv_ime_pinyin_create(lv_scr_act());
lv_obj_set_style_text_font(pinyin_ime, &lv_font_simsun_16_cjk, 0);
//lv_ime_pinyin_set_dict(pinyin_ime, your_dict); // Use a custom dictionary. If it is not set, the built-in dictionary will be used.
/* ta1 */
lv_obj_t * ta1 = lv_textarea_create(lv_scr_act());
lv_textarea_set_one_line(ta1, true);
lv_obj_set_style_text_font(ta1, &lv_font_simsun_16_cjk, 0);
lv_obj_align(ta1, LV_ALIGN_TOP_LEFT, 0, 0);
/*Create a keyboard and add it to ime_pinyin*/
lv_obj_t * kb = lv_keyboard_create(lv_scr_act());
lv_keyboard_set_textarea(kb, ta1);
lv_ime_pinyin_set_keyboard(pinyin_ime, kb);
lv_ime_pinyin_set_mode(pinyin_ime,
LV_IME_PINYIN_MODE_K9); // Set to 9-key input mode. Default: 26-key input(k26) mode.
lv_obj_add_event_cb(ta1, ta_event_cb, LV_EVENT_ALL, kb);
/*Get the cand_panel, and adjust its size and position*/
lv_obj_t * cand_panel = lv_ime_pinyin_get_cand_panel(pinyin_ime);
lv_obj_set_size(cand_panel, LV_PCT(100), LV_PCT(10));
lv_obj_align_to(cand_panel, kb, LV_ALIGN_OUT_TOP_MID, 0, 0);
/*Try using ime_pinyin to output the Chinese below in the ta1 above*/
lv_obj_t * cz_label = lv_label_create(lv_scr_act());
lv_label_set_text(cz_label,
"嵌入式系统（Embedded System），\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。");
lv_obj_set_style_text_font(cz_label, &lv_font_simsun_16_cjk, 0);
lv_obj_set_width(cz_label, 310);
lv_obj_align_to(cz_label, ta1, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 0);
}
#endif