577 lines
18 KiB
C
577 lines
18 KiB
C
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/**
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* @file lv_kb.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_keyboard.h"
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#if LV_USE_KEYBOARD != 0
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#include "../lv_misc/lv_debug.h"
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#include "../lv_themes/lv_theme.h"
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#include "lv_textarea.h"
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/*********************
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* DEFINES
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*********************/
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#define LV_OBJX_NAME "lv_keyboard"
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static lv_res_t lv_keyboard_signal(lv_obj_t *kb, lv_signal_t sign, void *param);
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static void lv_keyboard_update_map(lv_obj_t *kb);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_signal_cb_t ancestor_signal;
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/* clang-format off */
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static const char *const default_kb_map_lc[] = {"1#", "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", LV_SYMBOL_BACKSPACE, "\n",
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"ABC", "a", "s", "d", "f", "g", "h", "j", "k", "l", LV_SYMBOL_NEW_LINE, "\n",
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"_", "-", "z", "x", "c", "v", "b", "n", "m", ".", ",", ":", "\n",
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LV_SYMBOL_CLOSE,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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"أب",
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#endif
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LV_SYMBOL_LEFT, " ", LV_SYMBOL_RIGHT, LV_SYMBOL_OK, ""
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};
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static const lv_btnmatrix_ctrl_t default_kb_ctrl_lc_map[] =
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{
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LV_KEYBOARD_CTRL_BTN_FLAGS | 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#endif
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2, 6, 2, LV_KEYBOARD_CTRL_BTN_FLAGS | 2
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};
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static const char *const default_kb_map_uc[] = {"1#", "Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P", LV_SYMBOL_BACKSPACE, "\n",
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"abc", "A", "S", "D", "F", "G", "H", "J", "K", "L", LV_SYMBOL_NEW_LINE, "\n",
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"_", "-", "Z", "X", "C", "V", "B", "N", "M", ".", ",", ":", "\n",
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LV_SYMBOL_CLOSE,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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"أب",
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#endif
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LV_SYMBOL_LEFT, " ", LV_SYMBOL_RIGHT, LV_SYMBOL_OK, ""
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};
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static const lv_btnmatrix_ctrl_t default_kb_ctrl_uc_map[] =
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{
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LV_KEYBOARD_CTRL_BTN_FLAGS | 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#endif
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2, 6, 2, LV_KEYBOARD_CTRL_BTN_FLAGS | 2
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};
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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static const char *const default_kb_map_ar[] =
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{
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"1#", "ض", "ص", "ث", "ق", "ف", "غ", "ع", "ه", "خ", "ح", "ج", "\n",
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"ش", "س", "ي", "ب", "ل", "ا", "ت", "ن", "م", "ك", "ط", LV_SYMBOL_BACKSPACE, "\n",
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"ذ", "ء", "ؤ", "ر", "ى", "ة", "و", "ز", "ظ", "د", "ز", "ظ", "د", "\n",
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LV_SYMBOL_CLOSE, "abc", LV_SYMBOL_LEFT, " ", LV_SYMBOL_RIGHT, LV_SYMBOL_NEW_LINE, LV_SYMBOL_OK, ""
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};
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static const lv_btnmatrix_ctrl_t default_kb_ctrl_ar_map[] =
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{
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LV_KEYBOARD_CTRL_BTN_FLAGS | 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2, LV_KEYBOARD_CTRL_BTN_FLAGS | 2, 2, 6, 2, 3, LV_KEYBOARD_CTRL_BTN_FLAGS | 2
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};
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#endif
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static const char *const default_kb_map_spec[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "0", LV_SYMBOL_BACKSPACE, "\n",
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"abc", "+", "-", "/", "*", "=", "%", "!", "?", "#", "<", ">", "\n",
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"\\", "@", "$", "(", ")", "{", "}", "[", "]", ";", "\"", "'", "\n",
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LV_SYMBOL_CLOSE,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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"أب",
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#endif
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LV_SYMBOL_LEFT, " ", LV_SYMBOL_RIGHT, LV_SYMBOL_OK, ""
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};
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static const lv_btnmatrix_ctrl_t default_kb_ctrl_spec_map[] =
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{
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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#endif
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2, 6, 2, LV_KEYBOARD_CTRL_BTN_FLAGS | 2
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};
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static const char *const default_kb_map_num[] = {"1", "2", "3", LV_SYMBOL_CLOSE, "\n",
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"4", "5", "6", LV_SYMBOL_OK, "\n",
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"7", "8", "9", LV_SYMBOL_BACKSPACE, "\n",
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"+/-", "0", ".", LV_SYMBOL_LEFT, LV_SYMBOL_RIGHT, ""
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};
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static const lv_btnmatrix_ctrl_t default_kb_ctrl_num_map[] =
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{
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1, 1, 1, LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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1, 1, 1, LV_KEYBOARD_CTRL_BTN_FLAGS | 2,
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1, 1, 1, 2,
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1, 1, 1, 1, 1
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};
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/* clang-format on */
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static const char **kb_map[] = {
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(const char **)default_kb_map_lc,
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(const char **)default_kb_map_uc,
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(const char **)default_kb_map_spec,
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(const char **)default_kb_map_num
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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,
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(const char **)default_kb_map_ar
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#endif
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};
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static const lv_btnmatrix_ctrl_t *kb_ctrl[] = {
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default_kb_ctrl_lc_map,
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default_kb_ctrl_uc_map,
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default_kb_ctrl_spec_map,
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default_kb_ctrl_num_map
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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,
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default_kb_ctrl_ar_map
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#endif
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};
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Create a keyboard objects
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* @param par pointer to an object, it will be the parent of the new keyboard
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* @param copy pointer to a keyboard object, if not NULL then the new object will be copied from it
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* @return pointer to the created keyboard
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*/
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lv_obj_t *lv_keyboard_create(lv_obj_t *par, const lv_obj_t *copy)
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{
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LV_LOG_TRACE("keyboard create started");
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/*Create the ancestor of keyboard*/
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lv_obj_t *kb = lv_btnmatrix_create(par, copy);
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LV_ASSERT_MEM(kb);
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if (kb == NULL) {
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return NULL;
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}
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if (ancestor_signal == NULL) {
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ancestor_signal = lv_obj_get_signal_cb(kb);
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}
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/*Allocate the keyboard type specific extended data*/
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lv_keyboard_ext_t *ext = lv_obj_allocate_ext_attr(kb, sizeof(lv_keyboard_ext_t));
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LV_ASSERT_MEM(ext);
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if (ext == NULL) {
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lv_obj_del(kb);
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return NULL;
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}
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/*Initialize the allocated 'ext' */
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ext->ta = NULL;
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ext->mode = LV_KEYBOARD_MODE_TEXT_LOWER;
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ext->cursor_mng = 0;
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/*The signal and design functions are not copied so set them here*/
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lv_obj_set_signal_cb(kb, lv_keyboard_signal);
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/*Init the new keyboard keyboard*/
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if (copy == NULL) {
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/* Set a size which fits into the parent.
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* Don't use `par` directly because if the window is created on a page it is moved to the
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* scrollable so the parent has changed */
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lv_obj_set_size(kb, lv_obj_get_width_fit(lv_obj_get_parent(kb)),
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lv_obj_get_height_fit(lv_obj_get_parent(kb)) / 2);
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lv_obj_align(kb, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
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lv_obj_set_event_cb(kb, lv_keyboard_def_event_cb);
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lv_obj_set_base_dir(kb, LV_BIDI_DIR_LTR);
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lv_obj_add_protect(kb, LV_PROTECT_CLICK_FOCUS);
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lv_btnmatrix_set_map(kb, kb_map[ext->mode]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[ext->mode]);
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lv_theme_apply(kb, LV_THEME_KEYBOARD);
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}
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/*Copy an existing keyboard*/
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else {
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lv_keyboard_ext_t *copy_ext = lv_obj_get_ext_attr(copy);
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ext->ta = copy_ext->ta;
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ext->mode = copy_ext->mode;
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ext->cursor_mng = copy_ext->cursor_mng;
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lv_btnmatrix_set_map(kb, kb_map[ext->mode]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[ext->mode]);
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/*Refresh the style with new signal function*/
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// lv_obj_refresh_style(new_kb);
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}
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LV_LOG_INFO("keyboard created");
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return kb;
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}
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Assign a Text Area to the Keyboard. The pressed characters will be put there.
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* @param kb pointer to a Keyboard object
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* @param ta pointer to a Text Area object to write there
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*/
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void lv_keyboard_set_textarea(lv_obj_t *kb, lv_obj_t *ta)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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if (ta) {
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LV_ASSERT_OBJ(ta, "lv_textarea");
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}
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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/*Hide the cursor of the old Text area if cursor management is enabled*/
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if (ext->ta && ext->cursor_mng) {
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lv_textarea_set_cursor_hidden(ext->ta, true);
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}
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ext->ta = ta;
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/*Show the cursor of the new Text area if cursor management is enabled*/
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if (ext->ta && ext->cursor_mng) {
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lv_textarea_set_cursor_hidden(ext->ta, false);
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}
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}
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/**
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* Set a new a mode (text or number map)
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* @param kb pointer to a Keyboard object
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* @param mode the mode from 'lv_keyboard_mode_t'
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*/
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void lv_keyboard_set_mode(lv_obj_t *kb, lv_keyboard_mode_t mode)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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if (ext->mode == mode) {
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return;
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}
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ext->mode = mode;
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lv_btnmatrix_set_map(kb, kb_map[mode]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[mode]);
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}
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/**
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* Automatically hide or show the cursor of Text Area
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* @param kb pointer to a Keyboard object
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* @param en true: show cursor on the current text area, false: hide cursor
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*/
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void lv_keyboard_set_cursor_manage(lv_obj_t *kb, bool en)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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if (ext->cursor_mng == en) {
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return;
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}
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ext->cursor_mng = en == false ? 0 : 1;
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if (ext->ta) {
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if (ext->cursor_mng) {
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lv_textarea_set_cursor_hidden(ext->ta, false);
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} else {
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lv_textarea_set_cursor_hidden(ext->ta, true);
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}
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}
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}
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/**
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* Set a new map for the keyboard
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* @param kb pointer to a Keyboard object
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* @param mode keyboard map to alter 'lv_keyboard_mode_t'
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* @param map pointer to a string array to describe the map.
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* See 'lv_btnmatrix_set_map()' for more info.
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*/
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void lv_keyboard_set_map(lv_obj_t *kb, lv_keyboard_mode_t mode, const char *map[])
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{
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kb_map[mode] = map;
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lv_keyboard_update_map(kb);
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}
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/**
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* Set the button control map (hidden, disabled etc.) for the keyboard. The
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* control map array will be copied and so may be deallocated after this
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* function returns.
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* @param kb pointer to a keyboard object
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* @param mode keyboard ctrl map to alter 'lv_keyboard_mode_t'
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* @param ctrl_map pointer to an array of `lv_btn_ctrl_t` control bytes.
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* See: `lv_btnmatrix_set_ctrl_map` for more details.
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*/
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void lv_keyboard_set_ctrl_map(lv_obj_t *kb, lv_keyboard_mode_t mode, const lv_btnmatrix_ctrl_t ctrl_map[])
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{
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kb_ctrl[mode] = ctrl_map;
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lv_keyboard_update_map(kb);
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}
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Assign a Text Area to the Keyboard. The pressed characters will be put there.
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* @param kb pointer to a Keyboard object
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* @return pointer to the assigned Text Area object
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*/
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lv_obj_t *lv_keyboard_get_textarea(const lv_obj_t *kb)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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return ext->ta;
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}
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/**
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* Set a new a mode (text or number map)
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* @param kb pointer to a Keyboard object
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* @return the current mode from 'lv_keyboard_mode_t'
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*/
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lv_keyboard_mode_t lv_keyboard_get_mode(const lv_obj_t *kb)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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return ext->mode;
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}
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/**
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* Get the current cursor manage mode.
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* @param kb pointer to a Keyboard object
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* @return true: show cursor on the current text area, false: hide cursor
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*/
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bool lv_keyboard_get_cursor_manage(const lv_obj_t *kb)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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return ext->cursor_mng == 0 ? false : true;
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}
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/*=====================
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* Other functions
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*====================*/
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/**
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* Default keyboard event to add characters to the Text area and change the map.
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* If a custom `event_cb` is added to the keyboard this function be called from it to handle the
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* button clicks
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* @param kb pointer to a keyboard
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* @param event the triggering event
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*/
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void lv_keyboard_def_event_cb(lv_obj_t *kb, lv_event_t event)
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{
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LV_ASSERT_OBJ(kb, LV_OBJX_NAME);
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if (event != LV_EVENT_VALUE_CHANGED) {
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return;
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}
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lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
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uint16_t btn_id = lv_btnmatrix_get_active_btn(kb);
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if (btn_id == LV_BTNMATRIX_BTN_NONE) {
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return;
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}
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if (lv_btnmatrix_get_btn_ctrl(kb, btn_id, LV_BTNMATRIX_CTRL_HIDDEN | LV_BTNMATRIX_CTRL_DISABLED)) {
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return;
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}
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if (lv_btnmatrix_get_btn_ctrl(kb, btn_id, LV_BTNMATRIX_CTRL_NO_REPEAT) && event == LV_EVENT_LONG_PRESSED_REPEAT) {
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return;
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}
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const char *txt = lv_btnmatrix_get_active_btn_text(kb);
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if (txt == NULL) {
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return;
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}
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/*Do the corresponding action according to the text of the button*/
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if (strcmp(txt, "abc") == 0) {
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ext->mode = LV_KEYBOARD_MODE_TEXT_LOWER;
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lv_btnmatrix_set_map(kb, kb_map[LV_KEYBOARD_MODE_TEXT_LOWER]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[LV_KEYBOARD_MODE_TEXT_LOWER]);
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return;
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}
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#if LV_USE_ARABIC_PERSIAN_CHARS == 1
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else if (strcmp(txt, "أب") == 0) {
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ext->mode = LV_KEYBOARD_MODE_TEXT_ARABIC;
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lv_btnmatrix_set_map(kb, kb_map[LV_KEYBOARD_MODE_TEXT_ARABIC]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[LV_KEYBOARD_MODE_TEXT_ARABIC]);
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return;
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}
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#endif
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else if (strcmp(txt, "ABC") == 0) {
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ext->mode = LV_KEYBOARD_MODE_TEXT_UPPER;
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lv_btnmatrix_set_map(kb, kb_map[LV_KEYBOARD_MODE_TEXT_UPPER]);
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lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[LV_KEYBOARD_MODE_TEXT_UPPER]);
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return;
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} else if (strcmp(txt, "1#") == 0) {
|
||
ext->mode = LV_KEYBOARD_MODE_SPECIAL;
|
||
lv_btnmatrix_set_map(kb, kb_map[LV_KEYBOARD_MODE_SPECIAL]);
|
||
lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[LV_KEYBOARD_MODE_SPECIAL]);
|
||
return;
|
||
} else if (strcmp(txt, LV_SYMBOL_CLOSE) == 0) {
|
||
if (kb->event_cb != lv_keyboard_def_event_cb) {
|
||
lv_res_t res = lv_event_send(kb, LV_EVENT_CANCEL, NULL);
|
||
|
||
if (res != LV_RES_OK) {
|
||
return;
|
||
}
|
||
} else {
|
||
lv_keyboard_set_textarea(kb, NULL); /*De-assign the text area to hide it cursor if needed*/
|
||
lv_obj_del(kb);
|
||
return;
|
||
}
|
||
|
||
return;
|
||
} else if (strcmp(txt, LV_SYMBOL_OK) == 0) {
|
||
if (kb->event_cb != lv_keyboard_def_event_cb) {
|
||
lv_res_t res = lv_event_send(kb, LV_EVENT_APPLY, NULL);
|
||
|
||
if (res != LV_RES_OK) {
|
||
return;
|
||
}
|
||
} else {
|
||
lv_keyboard_set_textarea(kb, NULL); /*De-assign the text area to hide it cursor if needed*/
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
/*Add the characters to the text area if set*/
|
||
if (ext->ta == NULL) {
|
||
return;
|
||
}
|
||
|
||
if (strcmp(txt, "Enter") == 0 || strcmp(txt, LV_SYMBOL_NEW_LINE) == 0) {
|
||
lv_textarea_add_char(ext->ta, '\n');
|
||
} else if (strcmp(txt, LV_SYMBOL_LEFT) == 0) {
|
||
lv_textarea_cursor_left(ext->ta);
|
||
} else if (strcmp(txt, LV_SYMBOL_RIGHT) == 0) {
|
||
lv_textarea_cursor_right(ext->ta);
|
||
} else if (strcmp(txt, LV_SYMBOL_BACKSPACE) == 0) {
|
||
lv_textarea_del_char(ext->ta);
|
||
} else if (strcmp(txt, "+/-") == 0) {
|
||
uint16_t cur = lv_textarea_get_cursor_pos(ext->ta);
|
||
const char *ta_txt = lv_textarea_get_text(ext->ta);
|
||
|
||
if (ta_txt[0] == '-') {
|
||
lv_textarea_set_cursor_pos(ext->ta, 1);
|
||
lv_textarea_del_char(ext->ta);
|
||
lv_textarea_add_char(ext->ta, '+');
|
||
lv_textarea_set_cursor_pos(ext->ta, cur);
|
||
} else if (ta_txt[0] == '+') {
|
||
lv_textarea_set_cursor_pos(ext->ta, 1);
|
||
lv_textarea_del_char(ext->ta);
|
||
lv_textarea_add_char(ext->ta, '-');
|
||
lv_textarea_set_cursor_pos(ext->ta, cur);
|
||
} else {
|
||
lv_textarea_set_cursor_pos(ext->ta, 0);
|
||
lv_textarea_add_char(ext->ta, '-');
|
||
lv_textarea_set_cursor_pos(ext->ta, cur + 1);
|
||
}
|
||
} else {
|
||
lv_textarea_add_text(ext->ta, txt);
|
||
}
|
||
}
|
||
|
||
/**********************
|
||
* STATIC FUNCTIONS
|
||
**********************/
|
||
|
||
/**
|
||
* Signal function of the keyboard
|
||
* @param kb pointer to a keyboard object
|
||
* @param sign a signal type from lv_signal_t enum
|
||
* @param param pointer to a signal specific variable
|
||
* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
|
||
*/
|
||
static lv_res_t lv_keyboard_signal(lv_obj_t *kb, lv_signal_t sign, void *param)
|
||
{
|
||
lv_res_t res;
|
||
|
||
/* Include the ancient signal function */
|
||
res = ancestor_signal(kb, sign, param);
|
||
|
||
if (res != LV_RES_OK) {
|
||
return res;
|
||
}
|
||
|
||
if (sign == LV_SIGNAL_GET_TYPE) {
|
||
return lv_obj_handle_get_type_signal(param, LV_OBJX_NAME);
|
||
}
|
||
|
||
if (sign == LV_SIGNAL_CLEANUP) {
|
||
/*Nothing to cleanup. (No dynamically allocated memory in 'ext')*/
|
||
} else if (sign == LV_SIGNAL_FOCUS) {
|
||
lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
|
||
|
||
/*Show the cursor of the Text area if cursor management is enabled*/
|
||
if (ext->ta && ext->cursor_mng) {
|
||
lv_textarea_set_cursor_hidden(ext->ta, false);
|
||
}
|
||
} else if (sign == LV_SIGNAL_DEFOCUS) {
|
||
lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
|
||
|
||
/*Show the cursor of the Text area if cursor management is enabled*/
|
||
if (ext->ta && ext->cursor_mng) {
|
||
lv_textarea_set_cursor_hidden(ext->ta, true);
|
||
}
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* Update the key map for the current mode
|
||
* @param kb pointer to a keyboard object
|
||
*/
|
||
static void lv_keyboard_update_map(lv_obj_t *kb)
|
||
{
|
||
lv_keyboard_ext_t *ext = lv_obj_get_ext_attr(kb);
|
||
lv_btnmatrix_set_map(kb, kb_map[ext->mode]);
|
||
lv_btnmatrix_set_ctrl_map(kb, kb_ctrl[ext->mode]);
|
||
}
|
||
|
||
#endif
|