373 lines
14 KiB
C
373 lines
14 KiB
C
/**
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* function declarations with nm_ prefix are typically defined in zig,
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* while function definitions with nm_ prefix are extern'ed to call from zig.
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*/
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#define _DEFAULT_SOURCE /* needed for usleep() */
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#include "lvgl/lvgl.h"
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#include <stdlib.h>
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#include <unistd.h>
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/**
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* initiates system shutdown leading to poweroff.
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*/
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void nm_sys_shutdown();
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/**
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* creates an info panel with build info, semver, about and other related items.
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*/
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int nm_create_info_panel(lv_obj_t *parent);
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/**
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* invoken when the UI is switched to the network settings tab.
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*/
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void nm_tab_settings_active();
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/**
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* initiate connection to a wifi network with the given SSID and a password.
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* connection, if successful, is persisted in wpa_supplicant config.
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*/
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int nm_wifi_start_connect(const char *ssid, const char *password);
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/**
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* callback fn when "power off" button is pressed.
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*/
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void nm_poweroff_btn_callback(lv_event_t *e);
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static lv_style_t style_title;
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static lv_style_t style_text_muted;
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static lv_style_t style_btn_red;
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static const lv_font_t *font_large;
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static lv_obj_t *virt_keyboard;
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static lv_obj_t *tabview; /* main tabs content parent; lv_tabview_create */
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/**
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* returns user-managed data previously set on an object with nm_obj_set_userdata.
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* the returned value may be NULL.
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*/
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extern void *nm_obj_userdata(lv_obj_t *obj)
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{
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return obj->user_data;
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}
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/**
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* set or "attach" user-managed data to an object.
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* the data pointer may be NULL.
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*/
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extern void nm_obj_set_userdata(lv_obj_t *obj, void *data)
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{
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obj->user_data = data;
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}
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/**
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* returns a "red" style for a button. useful to attract particular attention
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* to a potentially "dangerous" operation.
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*
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* the returned value is static. available only after nm_ui_init.
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*/
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extern lv_style_t *nm_style_btn_red()
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{
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return &style_btn_red;
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}
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extern lv_style_t *nm_style_title()
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{
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return &style_title;
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}
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static void textarea_event_cb(lv_event_t *e)
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{
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lv_obj_t *textarea = lv_event_get_target(e);
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lv_event_code_t code = lv_event_get_code(e);
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if (code == LV_EVENT_FOCUSED) {
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if (lv_indev_get_type(lv_indev_get_act()) != LV_INDEV_TYPE_KEYPAD) {
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lv_keyboard_set_textarea(virt_keyboard, textarea);
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lv_obj_set_style_max_height(virt_keyboard, NM_DISP_HOR * 2 / 3, 0);
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lv_obj_update_layout(tabview); /* make sure sizes are recalculated */
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lv_obj_set_height(tabview, NM_DISP_VER - lv_obj_get_height(virt_keyboard));
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lv_obj_clear_flag(virt_keyboard, LV_OBJ_FLAG_HIDDEN);
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lv_obj_scroll_to_view_recursive(textarea, LV_ANIM_OFF);
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}
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} else if (code == LV_EVENT_DEFOCUSED) {
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lv_keyboard_set_textarea(virt_keyboard, NULL);
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lv_obj_set_height(tabview, NM_DISP_VER);
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lv_obj_add_flag(virt_keyboard, LV_OBJ_FLAG_HIDDEN);
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lv_indev_reset(NULL, textarea);
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} else if (code == LV_EVENT_READY || code == LV_EVENT_CANCEL) {
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lv_obj_set_height(tabview, NM_DISP_VER);
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lv_obj_add_flag(virt_keyboard, LV_OBJ_FLAG_HIDDEN);
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lv_obj_clear_state(textarea, LV_STATE_FOCUSED);
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lv_indev_reset(NULL, textarea); /* forget last obj to make it focusable again */
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}
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}
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static void create_bitcoin_panel(lv_obj_t *parent)
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{
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lv_obj_t *label = lv_label_create(parent);
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lv_label_set_text_static(label,
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"bitcoin tab isn't designed yet\n"
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"follow https://nakamochi.io");
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lv_obj_center(label);
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}
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static void create_lnd_panel(lv_obj_t *parent)
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{
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lv_obj_t *label = lv_label_create(parent);
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lv_label_set_text_static(label,
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"lightning tab isn't designed yet\n"
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"follow https://nakamochi.io");
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lv_obj_center(label);
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}
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static struct {
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lv_obj_t *wifi_spinner_obj; /* lv_spinner_create */
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lv_obj_t *wifi_status_obj; /* lv_label_create */
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lv_obj_t *wifi_connect_btn_obj; /* lv_btn_create */
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lv_obj_t *wifi_ssid_list_obj; /* lv_dropdown_create */
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lv_obj_t *wifi_pwd_obj; /* lv_textarea_create */
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lv_obj_t *power_halt_btn_obj; /* lv_btn_create */
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} settings;
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/**
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* update the UI with network connection info, placing text into wifi_status_obj as is.
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* wifi_list is optional; items must be delimited by '\n' if non-null.
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* args are alloc-copied and owned by lvgl.
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*/
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extern void ui_update_network_status(const char *text, const char *wifi_list)
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{
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if (wifi_list) {
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lv_dropdown_set_options(settings.wifi_ssid_list_obj, wifi_list);
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}
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lv_obj_clear_state(settings.wifi_connect_btn_obj, LV_STATE_DISABLED);
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lv_obj_add_flag(settings.wifi_spinner_obj, LV_OBJ_FLAG_HIDDEN);
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lv_label_set_text(settings.wifi_status_obj, text);
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}
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static void wifi_connect_btn_callback(lv_event_t *e)
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{
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(void)e; /* unused */
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lv_obj_add_state(settings.wifi_connect_btn_obj, LV_STATE_DISABLED);
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lv_obj_clear_flag(settings.wifi_spinner_obj, LV_OBJ_FLAG_HIDDEN);
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lv_label_set_text(settings.wifi_status_obj, "connecting ...");
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char buf[100];
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lv_dropdown_get_selected_str(settings.wifi_ssid_list_obj, buf, sizeof(buf));
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nm_wifi_start_connect(buf, lv_textarea_get_text(settings.wifi_pwd_obj));
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}
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static void create_settings_panel(lv_obj_t *parent)
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{
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/********************
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* wifi panel
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********************/
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lv_obj_t *wifi_panel = lv_obj_create(parent);
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lv_obj_set_height(wifi_panel, LV_SIZE_CONTENT);
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lv_obj_t *wifi_panel_title = lv_label_create(wifi_panel);
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lv_label_set_text_static(wifi_panel_title, LV_SYMBOL_WIFI " WIFI");
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lv_obj_add_style(wifi_panel_title, &style_title, 0);
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lv_obj_t *wifi_spinner = lv_spinner_create(wifi_panel, 1000 /* speed */, 60 /* arc in deg */);
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settings.wifi_spinner_obj = wifi_spinner;
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lv_obj_add_flag(wifi_spinner, LV_OBJ_FLAG_HIDDEN);
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lv_obj_set_size(wifi_spinner, 20, 20);
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lv_obj_set_style_arc_width(wifi_spinner, 4, LV_PART_INDICATOR);
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lv_obj_t *wifi_status = lv_label_create(wifi_panel);
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settings.wifi_status_obj = wifi_status;
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lv_label_set_text_static(wifi_status, "unknown status");
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lv_label_set_long_mode(wifi_status, LV_LABEL_LONG_WRAP);
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lv_obj_set_height(wifi_status, LV_SIZE_CONTENT);
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lv_label_set_recolor(wifi_status, true);
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lv_obj_t *wifi_ssid_label = lv_label_create(wifi_panel);
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lv_label_set_text_static(wifi_ssid_label, "network name");
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lv_obj_add_style(wifi_ssid_label, &style_text_muted, 0);
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lv_obj_t *wifi_ssid = lv_dropdown_create(wifi_panel);
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settings.wifi_ssid_list_obj = wifi_ssid;
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lv_dropdown_clear_options(wifi_ssid);
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lv_obj_t *wifi_pwd_label = lv_label_create(wifi_panel);
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lv_label_set_text_static(wifi_pwd_label, "password");
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lv_obj_add_style(wifi_pwd_label, &style_text_muted, 0);
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lv_obj_t *wifi_pwd = lv_textarea_create(wifi_panel);
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settings.wifi_pwd_obj = wifi_pwd;
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lv_textarea_set_one_line(wifi_pwd, true);
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lv_textarea_set_password_mode(wifi_pwd, true);
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lv_obj_add_event_cb(wifi_pwd, textarea_event_cb, LV_EVENT_ALL, NULL);
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lv_obj_t *wifi_connect_btn = lv_btn_create(wifi_panel);
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settings.wifi_connect_btn_obj = wifi_connect_btn;
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lv_obj_set_height(wifi_connect_btn, LV_SIZE_CONTENT);
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lv_obj_add_event_cb(wifi_connect_btn, wifi_connect_btn_callback, LV_EVENT_CLICKED, NULL);
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lv_obj_t *wifi_connect_btn_label = lv_label_create(wifi_connect_btn);
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lv_label_set_text_static(wifi_connect_btn_label, "CONNECT");
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lv_obj_center(wifi_connect_btn_label);
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/********************
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* power panel
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********************/
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lv_obj_t *power_panel = lv_obj_create(parent);
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lv_obj_set_height(power_panel, LV_SIZE_CONTENT);
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lv_obj_t *power_panel_title = lv_label_create(power_panel);
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lv_label_set_text_static(power_panel_title, LV_SYMBOL_POWER " POWER");
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lv_obj_add_style(power_panel_title, &style_title, 0);
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lv_obj_t *poweroff_text = lv_label_create(power_panel);
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lv_label_set_text_static(poweroff_text, "once shut down, the power cord\ncan be removed.");
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lv_label_set_long_mode(poweroff_text, LV_LABEL_LONG_WRAP);
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lv_obj_set_height(poweroff_text, LV_SIZE_CONTENT);
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lv_label_set_recolor(poweroff_text, true);
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lv_obj_t *power_halt_btn = lv_btn_create(power_panel);
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settings.power_halt_btn_obj = power_halt_btn;
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lv_obj_set_height(power_halt_btn, LV_SIZE_CONTENT);
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lv_obj_add_style(power_halt_btn, &style_btn_red, 0);
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lv_obj_add_event_cb(power_halt_btn, nm_poweroff_btn_callback, LV_EVENT_CLICKED, NULL);
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lv_obj_t *power_halt_btn_label = lv_label_create(power_halt_btn);
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lv_label_set_text_static(power_halt_btn_label, "SHUTDOWN");
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lv_obj_center(power_halt_btn_label);
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/********************
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* layout
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********************/
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static lv_coord_t parent_grid_cols[] = {LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
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static lv_coord_t parent_grid_rows[] = {/**/
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LV_GRID_CONTENT, /* wifi panel */
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LV_GRID_CONTENT, /* power panel */
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LV_GRID_TEMPLATE_LAST};
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lv_obj_set_grid_dsc_array(parent, parent_grid_cols, parent_grid_rows);
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lv_obj_set_grid_cell(wifi_panel, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 0, 1);
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lv_obj_set_grid_cell(power_panel, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 1, 1);
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static lv_coord_t wifi_grid_cols[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
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static lv_coord_t wifi_grid_rows[] = {/**/
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LV_GRID_CONTENT, /* title */
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5, /* separator */
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LV_GRID_CONTENT, /* wifi status text */
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30, /* wifi selector */
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5, /* separator */
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LV_GRID_CONTENT, /* password label */
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30, /* password input */
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5, /* separator */
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LV_GRID_CONTENT, /* connect btn */
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LV_GRID_TEMPLATE_LAST};
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lv_obj_set_grid_dsc_array(wifi_panel, wifi_grid_cols, wifi_grid_rows);
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lv_obj_set_grid_cell(wifi_panel_title, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 0, 1);
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lv_obj_set_grid_cell(wifi_spinner, LV_GRID_ALIGN_END, 1, 1, LV_GRID_ALIGN_CENTER, 0, 1);
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/* column 0 */
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lv_obj_set_grid_cell(wifi_status, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_START, 2, 7);
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/* column 1 */
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lv_obj_set_grid_cell(wifi_ssid_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_START, 2, 1);
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lv_obj_set_grid_cell(wifi_ssid, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_CENTER, 3, 1);
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lv_obj_set_grid_cell(wifi_pwd_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_START, 5, 1);
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lv_obj_set_grid_cell(wifi_pwd, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_CENTER, 6, 1);
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lv_obj_set_grid_cell(wifi_connect_btn, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_CENTER, 8, 1);
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static lv_coord_t power_grid_cols[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
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static lv_coord_t power_grid_rows[] = {/**/
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LV_GRID_CONTENT, /* title */
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5, /* separator */
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LV_GRID_CONTENT, /* power off text and btn*/
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LV_GRID_TEMPLATE_LAST};
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lv_obj_set_grid_dsc_array(power_panel, power_grid_cols, power_grid_rows);
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lv_obj_set_grid_cell(power_panel_title, LV_GRID_ALIGN_STRETCH, 0, 2, LV_GRID_ALIGN_CENTER, 0, 1);
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/* column 0 */
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lv_obj_set_grid_cell(poweroff_text, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_START, 2, 1);
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/* column 1 */
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lv_obj_set_grid_cell(power_halt_btn, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_CENTER, 2, 1);
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}
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static void tab_changed_event_cb(lv_event_t *e)
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{
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(void)e; /* unused */
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uint16_t n = lv_tabview_get_tab_act(tabview);
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switch (n) {
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case 2:
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nm_tab_settings_active();
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break;
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default:
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LV_LOG_INFO("unhandled tab index %i", n);
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}
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}
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extern int nm_ui_init(lv_disp_t *disp)
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{
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/* default theme is static */
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lv_theme_t *theme = lv_theme_default_init(disp, /**/
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lv_palette_main(LV_PALETTE_BLUE), /* primary */
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lv_palette_main(LV_PALETTE_RED), /* secondary */
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true, /* dark mode, LV_THEME_DEFAULT_DARK */
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LV_FONT_DEFAULT /* lv_conf.h def */);
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lv_disp_set_theme(disp, theme);
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font_large = &lv_font_courierprimecode_24; /* static */
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lv_style_init(&style_title);
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lv_style_set_text_font(&style_title, font_large);
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lv_style_init(&style_text_muted);
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lv_style_set_text_opa(&style_text_muted, LV_OPA_50);
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lv_style_init(&style_btn_red);
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lv_style_set_bg_color(&style_btn_red, lv_palette_main(LV_PALETTE_RED));
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/* global virtual keyboard */
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virt_keyboard = lv_keyboard_create(lv_scr_act());
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if (virt_keyboard == NULL) {
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/* TODO: or continue without keyboard? */
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return -1;
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}
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lv_obj_add_flag(virt_keyboard, LV_OBJ_FLAG_HIDDEN);
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const lv_coord_t tabh = 60;
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tabview = lv_tabview_create(lv_scr_act(), LV_DIR_TOP, tabh);
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if (tabview == NULL) {
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return -1;
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}
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/**
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* tab_changed_event_cb relies on the specific tab order, 0-based index:
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* 0: bitcoin
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* 1: lightning
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* 2: settings
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* 3: ndg build info and versioning
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*/
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lv_obj_t *tab_btc = lv_tabview_add_tab(tabview, NM_SYMBOL_BITCOIN " BITCOIN");
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if (tab_btc == NULL) {
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return -1;
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}
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create_bitcoin_panel(tab_btc);
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lv_obj_t *tab_lnd = lv_tabview_add_tab(tabview, NM_SYMBOL_BOLT " LIGHTNING");
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if (tab_lnd == NULL) {
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return -1;
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}
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create_lnd_panel(tab_lnd);
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lv_obj_t *tab_settings = lv_tabview_add_tab(tabview, LV_SYMBOL_SETTINGS " SETTINGS");
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if (tab_settings == NULL) {
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return -1;
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}
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create_settings_panel(tab_settings);
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lv_obj_t *tab_info = lv_tabview_add_tab(tabview, NM_SYMBOL_INFO);
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if (tab_info == NULL) {
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return -1;
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}
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if (nm_create_info_panel(tab_info) != 0) {
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return -1;
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}
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/* make the info tab button narrower, just for the icon to fit,
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* by widening the other tab buttons relative width. */
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lv_obj_t *tabbs = lv_tabview_get_tab_btns(tabview);
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lv_btnmatrix_set_btn_width(tabbs, 0, 3);
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lv_btnmatrix_set_btn_width(tabbs, 1, 3);
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lv_btnmatrix_set_btn_width(tabbs, 2, 3);
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lv_obj_add_event_cb(tabview, tab_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
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return 0;
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}
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