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Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

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zouhaitao
2026-07-06 11:30:13 +08:00
commit e76462eeb7
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14
sdk/lib/lvgl/examples/widgets/keyboard/index.rst Normal file
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Keyboard with text area
"""""""""""""""""""""""
.. lv_example:: widgets/keyboard/lv_example_keyboard_1
:language: c
Keyboard with custom map
""""""""""""""""""""""""
.. lv_example:: widgets/keyboard/lv_example_keyboard_2
:language: c

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sdk/lib/lvgl/examples/widgets/keyboard/lv_example_keyboard_1.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_KEYBOARD && 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) {
lv_keyboard_set_textarea(kb, ta);
lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
if(code == LV_EVENT_DEFOCUSED) {
lv_keyboard_set_textarea(kb, NULL);
lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
}
void lv_example_keyboard_1(void)
{
/*Create a keyboard to use it with an of the text areas*/
lv_obj_t * kb = lv_keyboard_create(lv_scr_act());
/*Create a text area. The keyboard will write here*/
lv_obj_t * ta;
ta = lv_textarea_create(lv_scr_act());
lv_obj_align(ta, LV_ALIGN_TOP_LEFT, 10, 10);
lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_ALL, kb);
lv_textarea_set_placeholder_text(ta, "Hello");
lv_obj_set_size(ta, 140, 80);
ta = lv_textarea_create(lv_scr_act());
lv_obj_align(ta, LV_ALIGN_TOP_RIGHT, -10, 10);
lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_ALL, kb);
lv_obj_set_size(ta, 140, 80);
lv_keyboard_set_textarea(kb, ta);
}
#endif

28
sdk/lib/lvgl/examples/widgets/keyboard/lv_example_keyboard_1.py Normal file
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def ta_event_cb(e,kb):
code = e.get_code()
ta = e.get_target()
if code == lv.EVENT.FOCUSED:
kb.set_textarea(ta)
kb.clear_flag(lv.obj.FLAG.HIDDEN)
if code == lv.EVENT.DEFOCUSED:
kb.set_textarea(None)
kb.add_flag(lv.obj.FLAG.HIDDEN)
# Create a keyboard to use it with one of the text areas
kb = lv.keyboard(lv.scr_act())
# Create a text area. The keyboard will write here
ta = lv.textarea(lv.scr_act())
ta.set_width(200)
ta.align(lv.ALIGN.TOP_LEFT, 10, 10)
ta.add_event_cb(lambda e: ta_event_cb(e,kb), lv.EVENT.ALL, None)
ta.set_placeholder_text("Hello")
ta = lv.textarea(lv.scr_act())
ta.set_width(200)
ta.align(lv.ALIGN.TOP_RIGHT, -10, 10)
ta.add_event_cb(lambda e: ta_event_cb(e,kb), lv.EVENT.ALL, None)
kb.set_textarea(ta)

35
sdk/lib/lvgl/examples/widgets/keyboard/lv_example_keyboard_2.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
void lv_example_keyboard_2(void)
{
/*Create an AZERTY keyboard map*/
static const char * kb_map[] = {"A", "Z", "E", "R", "T", "Y", "U", "I", "O", "P", LV_SYMBOL_BACKSPACE, "\n",
"Q", "S", "D", "F", "G", "J", "K", "L", "M", LV_SYMBOL_NEW_LINE, "\n",
"W", "X", "C", "V", "B", "N", ",", ".", ":", "!", "?", "\n",
LV_SYMBOL_CLOSE, " ", " ", " ", LV_SYMBOL_OK, NULL
};
/*Set the relative width of the buttons and other controls*/
static const lv_btnmatrix_ctrl_t kb_ctrl[] = {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6,
4, 4, 4, 4, 4, 4, 4, 4, 4, 6,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
2, LV_BTNMATRIX_CTRL_HIDDEN | 2, 6, LV_BTNMATRIX_CTRL_HIDDEN | 2, 2
};
/*Create a keyboard and add the new map as USER_1 mode*/
lv_obj_t * kb = lv_keyboard_create(lv_scr_act());
lv_keyboard_set_map(kb, LV_KEYBOARD_MODE_USER_1, kb_map, kb_ctrl);
lv_keyboard_set_mode(kb, LV_KEYBOARD_MODE_USER_1);
/*Create a text area. The keyboard will write here*/
lv_obj_t * ta;
ta = lv_textarea_create(lv_scr_act());
lv_obj_align(ta, LV_ALIGN_TOP_MID, 0, 10);
lv_obj_set_size(ta, lv_pct(90), 80);
lv_obj_add_state(ta, LV_STATE_FOCUSED);
lv_keyboard_set_textarea(kb, ta);
}
#endif

26
sdk/lib/lvgl/examples/widgets/keyboard/lv_example_keyboard_2.py Normal file
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# Create an AZERTY keyboard map
kb_map = ["A", "Z", "E", "R", "T", "Y", "U", "I", "O", "P", lv.SYMBOL.BACKSPACE, "\n",
"Q", "S", "D", "F", "G", "J", "K", "L", "M", lv.SYMBOL.NEW_LINE, "\n",
"W", "X", "C", "V", "B", "N", ",", ".", ":", "!", "?", "\n",
lv.SYMBOL.CLOSE, " ", " ", " ", lv.SYMBOL.OK, None]
# Set the relative width of the buttons and other controls
kb_ctrl = [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6,
4, 4, 4, 4, 4, 4, 4, 4, 4, 6,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
2, lv.btnmatrix.CTRL.HIDDEN | 2, 6, lv.btnmatrix.CTRL.HIDDEN | 2, 2]
# Create a keyboard and add the new map as USER_1 mode
kb = lv.keyboard(lv.scr_act())
kb.set_map(lv.keyboard.MODE.USER_1, kb_map, kb_ctrl)
kb.set_mode(lv.keyboard.MODE.USER_1)
# Create a text area. The keyboard will write here
ta = lv.textarea(lv.scr_act())
ta.align(lv.ALIGN.TOP_MID, 0, 10)
ta.set_size(lv.pct(90), 80)
ta.add_state(lv.STATE.FOCUSED)
kb.set_textarea(ta)