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WiFi app added

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This commit is contained in:
Gabor
2017-06-07 12:38:43 +02:00
parent 6b2ff57559
commit 8578c2f1a2
11 changed files with 585 additions and 8 deletions
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5
lv_app/lv_app.c
View File

@@ -133,6 +133,11 @@ void lv_app_init(void)
dsc = ll_ins_head(&app_dsc_ll);
*dsc = lv_app_files_init();
#endif
#if USE_LV_APP_WIFI != 0
dsc = ll_ins_head(&app_dsc_ll);
*dsc = lv_app_wifi_init();
#endif
}
/**

1
lv_app/lv_app.h
View File

@@ -240,6 +240,7 @@ lv_app_style_t * lv_app_style_get(void);
#include "lvgl/lv_appx/lv_app_sysmon.h"
#include "lvgl/lv_appx/lv_app_terminal.h"
#include "lvgl/lv_appx/lv_app_files.h"
#include "lvgl/lv_appx/lv_app_wifi.h"
#endif /*LV_APP_ENABLE != 0*/

13
lv_app/lv_app_util/lv_app_kb.c
View File

@@ -149,14 +149,13 @@ lv_obj_t * lv_app_kb_open(lv_obj_t * ta, lv_app_kb_mode_t mode, void (*close)(lv
if(lv_obj_get_height(kb_ta) > cont_h - LV_DPI / 10) {
lv_obj_set_height(kb_ta, cont_h - LV_DPI / 10);
}
#if LV_APP_ANIM_LEVEL != 0
lv_page_focus(lv_win_get_content(kb_win), kb_ta, true);
#else
lv_page_focus(lv_win_get_page(kb_win), kb_ta, 0);
#endif
}
lv_ta_set_cursor_pos(kb_ta, LV_TA_CUR_LAST);
if(kb_mode & LV_APP_KB_MODE_CURSOR_MANAGE) {
lv_ta_set_cursor_show(kb_ta, true);
}
return kb_btnm;
@@ -182,7 +181,11 @@ void lv_app_kb_close(bool ok)
lv_obj_set_size(kb_win, LV_HOR_RES, LV_VER_RES);
kb_win = NULL;
}
if(kb_mode & LV_APP_KB_MODE_CURSOR_MANAGE) {
lv_ta_set_cursor_show(kb_ta, false);
}
lv_obj_del(kb_btnm);
kb_btnm = NULL;

1
lv_app/lv_app_util/lv_app_kb.h
View File

@@ -24,6 +24,7 @@ typedef enum
LV_APP_KB_MODE_TXT = 0x01,
LV_APP_KB_MODE_NUM = 0x02,
LV_APP_KB_MODE_WIN_RESIZE = 0x04,
LV_APP_KB_MODE_CURSOR_MANAGE = 0x08,
}lv_app_kb_mode_t;
/**********************

5
lv_appx/lv_app_terminal.c
View File

@@ -32,6 +32,7 @@
* DEFINES
*********************/
#define OBJ_PAD (LV_DPI / 12)
#define AUTO_CONNECT_TCP_DELAY 5000 /*Wait before TCS server connect when the WiFi connect is ready*/
/**********************
* TYPEDEFS
@@ -187,7 +188,7 @@ static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
/*Insert the name of the sender application if it is not the last*/
if(app_data->last_sender != app_send) {
add_data(app_rec, "@", 1);
add_data(app_rec, "\n@", 2);
add_data(app_rec, app_send->name, strlen(app_send->name));
add_data(app_rec, "\n", 1);
}
@@ -424,6 +425,8 @@ static void win_ta_kb_ok_action(lv_obj_t * ta)
lv_app_com_send(app, app_data->com_type, ta_txt, ta_txt_len);
lv_ta_set_text(ta, "");
app_data->last_sender = NULL; /*Now the least data in the terminal is from this app*/
}
/**

484
lv_appx/lv_app_wifi.c Normal file
View File

@@ -0,0 +1,484 @@
/**
* @file lv_app_wifi.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_app_wifi.h"
#if LV_APP_ENABLE != 0 && USE_LV_APP_WIFI != 0
#include "../lv_app/lv_app_util/lv_app_kb.h"
#include "hal/wifi/wifi.h"
#include "misc/os/ptask.h"
#include "hal/systick/systick.h"
#include "misc/comm/wifimng.h"
#include <stdio.h>
/*********************
* DEFINES
*********************/
#define SSID_LIST_MAX_LENGTH 512
#define WIFI_MONITOR_PERIOD 1000 /*ms*/
/**********************
* TYPEDEFS
**********************/
/*Application specific data for an instance of this application*/
typedef struct
{
char set_ssid[64];
char set_pwd[64];
char set_ip[32];
char set_port[16];
}my_app_data_t;
/*Application specific data a window of this application*/
typedef struct
{
lv_obj_t * list;
lv_obj_t * title;
lv_obj_t * netw_ssid_ta;
lv_obj_t * netw_pwd_ta;
lv_obj_t * tcp_ip_ta;
lv_obj_t * tcp_port_ta;
}my_win_data_t;
/*Application specific data for a shortcut of this application*/
typedef struct
{
lv_obj_t * label;
}my_sc_data_t;
/**********************
* STATIC PROTOTYPES
**********************/
static void my_app_run(lv_app_inst_t * app, void * conf);
static void my_app_close(lv_app_inst_t * app);
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec, lv_app_com_type_t type , const void * data, uint32_t size);
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc);
static void my_sc_close(lv_app_inst_t * app);
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win);
static void my_win_close(lv_app_inst_t * app);
static void wifi_state_monitor_task(void * param);
static lv_action_res_t netw_list_rel_action(lv_obj_t * btn, lv_dispi_t * dispi);
static lv_action_res_t netw_con_rel_action(lv_obj_t * btn, lv_dispi_t* dispi);
static lv_action_res_t netw_ssid_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t netw_pwd_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t tcp_ip_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t tcp_port_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t wifi_ap_select_action( lv_obj_t * ddlist, lv_dispi_t* dispi);
static void netw_ssid_kb_ok(lv_obj_t * ta);
static void netw_ssid_kb_close(lv_obj_t * ta);
static void netw_pwd_kb_ok(lv_obj_t * ta);
static void netw_pwd_kb_close(lv_obj_t * ta);
static void tcp_ip_kb_ok(lv_obj_t * ta);
static void tcp_ip_kb_close(lv_obj_t * ta);
static void tcp_port_kb_ok(lv_obj_t * ta);
static void tcp_port_kb_close(lv_obj_t * ta);
static void list_cb(wifi_state_t state, const char * txt);
static void tcp_transf_cb(wifi_state_t state, const char * txt);
static void win_title_refr(void);
/**********************
* STATIC VARIABLES
**********************/
static lv_app_dsc_t my_app_dsc =
{
.name = "WiFi",
.mode = LV_APP_MODE_NONE,
.app_run = my_app_run,
.app_close = my_app_close,
.com_rec = my_com_rec,
.win_open = my_win_open,
.win_close = my_win_close,
.sc_open = my_sc_open,
.sc_close = my_sc_close,
.app_data_size = sizeof(my_app_data_t),
.sc_data_size = sizeof(my_sc_data_t),
.win_data_size = sizeof(my_win_data_t),
};
static char ssid_list[SSID_LIST_MAX_LENGTH];
static lv_app_inst_t * app_act_com;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize the application
* @return pointer to the application descriptor of this application
*/
const lv_app_dsc_t * lv_app_wifi_init(void)
{
strcpy(ssid_list, "");
wifimng_set_last_netw(LV_APP_WIFI_SSID_DEF, LV_APP_WIFI_PWD_DEF);
wifimng_set_last_tcp(LV_APP_WIFI_IP_DEF, LV_APP_WIFI_PORT_DEF);
ptask_create(wifi_state_monitor_task, WIFI_MONITOR_PERIOD, PTASK_PRIO_LOW, NULL);
return &my_app_dsc;
}
/**********************
* STATIC FUNCTIONS
**********************/
/**
* Run an application according to 'app_dsc'
* @param app_dsc pointer to an application descriptor
* @param conf pointer to a lv_app_example_conf_t structure with configuration data or NULL if unused
* @return pointer to the opened application or NULL if any error occurred
*/
static void my_app_run(lv_app_inst_t * app, void * conf)
{
/*Initialize the application*/
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ssid, LV_APP_WIFI_SSID_DEF);
strcpy(adata->set_pwd, LV_APP_WIFI_PWD_DEF);
strcpy(adata->set_ip, LV_APP_WIFI_IP_DEF);
strcpy(adata->set_port, LV_APP_WIFI_PORT_DEF);
}
/**
* Close a running application.
* Close the Window and the Shortcut too if opened.
* Free all the allocated memory by this application.
* @param app pointer to an application
*/
static void my_app_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_app_data'*/
}
/**
* Read the data have been sent to this application
* @param app_send pointer to an application which sent the message
* @param app_rec pointer to an application which is receiving the message
* @param type type of data from 'lv_app_com_type_t' enum
* @param data pointer to the sent data
* @param size length of 'data' in bytes
*/
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
lv_app_com_type_t type , const void * data, uint32_t size)
{
if(type == LV_APP_COM_TYPE_CHAR) { /*data: string*/
app_act_com = app_rec;
wifi_tcp_transf(data, size, tcp_transf_cb);
}
}
/**
* Open a shortcut for an application
* @param app pointer to an application
* @param sc pointer to an object where the application
* can create content of the shortcut
*/
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc)
{
my_sc_data_t * sc_data = app->sc_data;
sc_data->label = lv_label_create(sc, NULL);
lv_label_set_text(sc_data->label, "Empty");
lv_obj_align(sc_data->label, NULL, LV_ALIGN_CENTER, 0, 0);
}
/**
* Close the shortcut of an application
* @param app pointer to an application
*/
static void my_sc_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_sc_data'*/
}
/**
* Open the application in a window
* @param app pointer to an application
* @param win pointer to a window object where
* the application can create content
*/
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
{
my_app_data_t * adata = app->app_data;
my_win_data_t * wdata = app->win_data;
wdata->title = lv_label_create(win, NULL);
wdata->list = lv_ddlist_create(win, NULL);
lv_obj_set_free_p(wdata->list, app);
lv_ddlist_set_options_str(wdata->list, ssid_list);
lv_ddlist_set_action(wdata->list, wifi_ap_select_action);
lv_obj_t * list_btn = lv_btn_create(win, NULL);
lv_obj_set_free_p(list_btn, app);
lv_btn_set_rel_action(list_btn, netw_list_rel_action);
lv_obj_t * label = lv_label_create(list_btn, NULL);
lv_label_set_text(label, "List\nrefresh");
lv_obj_t * ta_cont = lv_cont_create(win, NULL);
lv_cont_set_fit(ta_cont, true, true);
lv_cont_set_layout(ta_cont, LV_CONT_LAYOUT_COL_L);
lv_obj_set_style(ta_cont, lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
wdata->netw_ssid_ta = lv_ta_create(ta_cont, NULL);
lv_cont_set_fit(wdata->netw_ssid_ta, false, true);
lv_obj_set_free_p(wdata->netw_ssid_ta, app);
lv_page_set_rel_action(wdata->netw_ssid_ta, netw_ssid_rel_action);
lv_ta_set_text(wdata->netw_ssid_ta, adata->set_ssid);
lv_ta_set_cursor_show(wdata->netw_ssid_ta, false);
wdata->netw_pwd_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->netw_pwd_ta, netw_pwd_rel_action);
lv_ta_set_text(wdata->netw_pwd_ta, adata->set_pwd);
wdata->tcp_ip_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->tcp_ip_ta, tcp_ip_rel_action);
lv_ta_set_text(wdata->tcp_ip_ta, adata->set_ip);
wdata->tcp_port_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->tcp_port_ta, tcp_port_rel_action);
lv_ta_set_text(wdata->tcp_port_ta, adata->set_port);
lv_obj_t * con_btn = lv_btn_create(win, NULL);
lv_obj_set_free_p(con_btn, app);
lv_btn_set_rel_action(con_btn, netw_con_rel_action);
label = lv_label_create(con_btn, NULL);
lv_label_set_text(label, "Connect");
lv_cont_set_layout(lv_page_get_scrl(lv_win_get_page(win)), LV_CONT_LAYOUT_PRETTY);
win_title_refr();
}
/**
* Close the window of an application
* @param app pointer to an application
*/
static void my_win_close(lv_app_inst_t * app)
{
}
/*--------------------
* OTHER FUNCTIONS
---------------------*/
static void wifi_state_monitor_task(void * param)
{
static wifimng_state_t state_prev = WIFIMNG_STATE_WAIT;
wifimng_state_t state_act = wifimng_get_state();
if(state_prev != state_act && state_act == WIFIMNG_STATE_READY) {
lv_app_notice_add("WiFi connected to:\n%s\n%s:%s",
wifimng_get_last_ssid(), wifimng_get_last_ip(), wifimng_get_last_port());
}
state_prev = state_act;
}
static lv_action_res_t netw_list_rel_action(lv_obj_t * btn, lv_dispi_t* dispi)
{
bool ret;
ret = wifi_netw_list(list_cb);
if(ret != false) {
lv_app_notice_add("Listing WiFi networks");
} else {
lv_app_notice_add("Cannot list networks\nWiFi was busy. Try again");
}
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_con_rel_action(lv_obj_t * btn, lv_dispi_t* dispi)
{
lv_app_inst_t * app = lv_obj_get_free_p(btn);
my_app_data_t * adata = app->app_data;
wifimng_set_last_netw(adata->set_ssid, adata->set_pwd);
wifimng_set_last_tcp(adata->set_ip, adata->set_port);
wifimng_reconnect();
lv_app_notice_add("Connecting to WiFi network\n%s, %s:%s",
adata->set_ssid, adata->set_ip, adata->set_port);
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_ssid_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CURSOR_MANAGE, netw_ssid_kb_close ,netw_ssid_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_pwd_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CURSOR_MANAGE, netw_pwd_kb_close ,netw_pwd_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t tcp_ip_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CURSOR_MANAGE, tcp_ip_kb_close ,tcp_ip_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t tcp_port_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_NUM | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CURSOR_MANAGE, tcp_port_kb_close ,tcp_port_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t wifi_ap_select_action( lv_obj_t * ddlist, lv_dispi_t* dispi)
{
lv_app_inst_t * app = lv_obj_get_free_p(ddlist);
my_app_data_t * adata = app->app_data;
char ssid[256];
lv_ddlist_get_selected_str(ddlist, ssid);
my_win_data_t * wdata = app->win_data;
lv_ta_set_text(wdata->netw_ssid_ta, ssid);
strcpy(adata->set_ssid, ssid);
return LV_ACTION_RES_OK;
}
static void netw_ssid_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ssid, lv_ta_get_txt(ta));
}
static void netw_ssid_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_ssid);
}
static void netw_pwd_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_pwd, lv_ta_get_txt(ta));
}
static void netw_pwd_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_pwd);
}
static void tcp_ip_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ip, lv_ta_get_txt(ta));
}
static void tcp_ip_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_ip);
}
static void tcp_port_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_port, lv_ta_get_txt(ta));
}
static void tcp_port_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_port);
}
static void list_cb(wifi_state_t state, const char * txt)
{
if(state == WIFI_STATE_READY) {
if(txt[0] == '\0') {
lv_app_notice_add("WiFi network list ready");
return;
}
if(strlen(ssid_list) + strlen(txt) + 4 < sizeof(ssid_list)) {
sprintf(ssid_list, "%s\n%s", ssid_list, txt);
}
lv_app_inst_t * app = lv_app_get_next(NULL, &my_app_dsc);
while(app != NULL) {
if(app->win_data != NULL) {
my_win_data_t * wdata = app->win_data;
lv_ddlist_set_options_str(wdata->list, ssid_list);
}
app = lv_app_get_next(app, &my_app_dsc);
}
} else if(state == WIFI_STATE_ERROR) {
lv_app_notice_add("WiFi network list error\n%s", txt);
}
}
static void tcp_transf_cb(wifi_state_t state, const char * txt)
{
if(state == WIFI_STATE_READY) {
uint16_t size = txt[0] + ((txt[1] << 8) & 0xFF00);
char buf[256];
memcpy(buf, &txt[2], size);
buf[size] = '\0';
lv_app_com_send(app_act_com, LV_APP_COM_TYPE_CHAR, &txt[2], size);
}else if(state == WIFI_STATE_ERROR) {
lv_app_notice_add("WiFi TCP transfer error\n%s", txt);
lv_app_notice_add("Reconnecting to WiFi...");
wifimng_reconnect();
}
app_act_com = NULL;
}
static void win_title_refr(void)
{
lv_app_inst_t * app;
app = lv_app_get_next(NULL, &my_app_dsc);
while(app != NULL) {
if(app->win != NULL) {
my_win_data_t * wdata = app->win_data;
if(wifimng_get_state() != WIFIMNG_STATE_READY) lv_label_set_text(wdata->title, "Not connected");
else {
char buf[256];
sprintf(buf, "%s - %s:%s", wifimng_get_last_ssid(), wifimng_get_last_ip(), wifimng_get_last_port());
lv_label_set_text(wdata->title, buf);
}
lv_obj_set_width(wdata->title, lv_win_get_width(app->win));
}
app = lv_app_get_next(app, &my_app_dsc);
}
}
#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_EXAMPLE != 0*/

39
lv_appx/lv_app_wifi.h Normal file
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@@ -0,0 +1,39 @@
/**
* @file lv_app_example.h
*
*/
#ifndef LV_APP_WIFI_H
#define LV_APP_WIFI_H
/*********************
* INCLUDES
*********************/
#include "lvgl/lv_app/lv_app.h"
#if LV_APP_ENABLE != 0 && USE_LV_APP_WIFI != 0
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef struct
{
}lv_app_wifi_conf_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
const lv_app_dsc_t * lv_app_wifi_init(void);
/**********************
* MACROS
**********************/
#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_EXAMPLE != 0*/
#endif /* LV_APP_EXAMPLE_H */

1
lv_obj/lv_style.c
View File

@@ -134,6 +134,7 @@ void lv_style_init (void)
lv_style_btn_rel.hpad = LV_DPI / 4;
lv_style_btn_rel.vpad = LV_DPI / 6;
lv_style_btn_rel.opad = LV_DPI / 10;
lv_style_btn_rel.txt_align = LV_TXT_ALIGN_MID;
/*Button pressed style*/
memcpy(&lv_style_btn_pr, &lv_style_btn_rel, sizeof(lv_style_t));

41
lv_objx/lv_ddlist.c
View File

@@ -140,9 +140,9 @@ bool lv_ddlist_signal(lv_obj_t * ddlist, lv_signal_t sign, void * param)
*====================*/
/**
* Set the options in a drop down list
* Set the options in a drop down list from an array
* @param ddlist pointer to drop down list object
* @param options an array of strings wit the text of the options.
* @param options an array of strings with the text of the options.
* The lest element has to be "" (empty string)
* E.g. const char * opts[] = {"apple", "banana", "orange", ""};
*/
@@ -161,6 +161,18 @@ void lv_ddlist_set_options(lv_obj_t * ddlist, const char ** options)
lv_ddlist_refr_size(ddlist, 0);
}
/**
* Set the options in a drop down list from a string
* @param ddlist pointer to drop down list object
* @param options a string with '\n' separated options. E.g. "One\nTwo\nThree"
*/
void lv_ddlist_set_options_str(lv_obj_t * ddlist, const char * options)
{
lv_ddlist_ext_t * ext = lv_obj_get_ext(ddlist);
lv_label_set_text(ext->opt_label, options);
lv_ddlist_refr_size(ddlist, 0);
}
/**
* Set the selected option
* @param ddlist pointer to drop down list object
@@ -250,6 +262,31 @@ uint16_t lv_ddlist_get_selected(lv_obj_t * ddlist)
return ext->sel_opt;
}
/**
* Get the current selected option as a string
* @param ddlist pointer to ddlist object
* @param buf pointer to an array to store the string
*/
void lv_ddlist_get_selected_str(lv_obj_t * ddlist, char * buf)
{
lv_ddlist_ext_t * ext = lv_obj_get_ext(ddlist);
uint16_t i;
uint16_t line = 0;
const char * opt_txt = lv_label_get_text(ext->opt_label);
uint16_t txt_len = strlen(opt_txt);
for(i = 0; i < txt_len && line != ext->sel_opt; i++) {
if(opt_txt[i] == '\n') line ++;
}
uint16_t c;
for(c = 0; opt_txt[i] != '\n' && i < txt_len; c++, i++) buf[c] = opt_txt[i];
buf[c] = '\0';
}
/**
* Get the auto size attribute.
* @param ddlist pointer to a drop down list object

2
lv_objx/lv_ddlist.h
View File

@@ -77,6 +77,7 @@ bool lv_ddlist_signal(lv_obj_t * ddlist, lv_signal_t sign, void * param);
*/
void lv_ddlist_set_options(lv_obj_t * ddlist, const char ** options);
void lv_ddlist_set_options_str(lv_obj_t * ddlist, const char * options);
/**
* Set the selected option
* @param ddlist pointer to drop down list object
@@ -121,6 +122,7 @@ const char * lv_ddlist_get_options(lv_obj_t * ddlist);
*/
uint16_t lv_ddlist_get_selected(lv_obj_t * ddlist);
void lv_ddlist_get_selected_str(lv_obj_t * ddlist, char * buf);
/**
* Get the auto size attribute.
* @param ddlist pointer to a drop down list object

1
lv_objx/lv_ta.c
View File

@@ -105,6 +105,7 @@ lv_obj_t * lv_ta_create(lv_obj_t * par, lv_obj_t * copy)
lv_obj_set_design_f(ext->page.scrl, lv_ta_scrling_design);
lv_ta_ext_t * copy_ext = lv_obj_get_ext(copy);
ext->label = lv_label_create(new_ta, copy_ext->label);
ext->cursor_show = copy_ext->cursor_show;
lv_page_glue_obj(ext->label, true);
/*Refresh the style with new signal function*/