HoloCubic/2.Firmware/HoloCubic_fw/lv_demo_encoder.c
2021-01-22 09:55:32 +08:00

285 lines
7.9 KiB
C

/**
* @file lv_demo_keypad_encoder.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_demo_encoder.h"
#include "lv_port_indev.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static void selectors_create(lv_obj_t * parent);
static void text_input_create(lv_obj_t * parent);
static void msgbox_create(void);
static void focus_cb(lv_group_t * g);
static void msgbox_event_cb(lv_obj_t * msgbox, lv_event_t e);
static void tv_event_cb(lv_obj_t * ta, lv_event_t e);
static void ta_event_cb(lv_obj_t * ta, lv_event_t e);
static void kb_event_cb(lv_obj_t * kb, lv_event_t e);
/**********************
* STATIC VARIABLES
**********************/
static lv_group_t* g;
static lv_obj_t * tv;
static lv_obj_t * t1;
static lv_obj_t * t2;
static lv_obj_t * t3;
struct {
lv_obj_t * btn;
lv_obj_t * cb;
lv_obj_t * slider;
lv_obj_t * sw;
lv_obj_t * spinbox;
lv_obj_t * dropdown;
lv_obj_t * roller;
lv_obj_t * list;
}selector_objs;
struct {
lv_obj_t * ta1;
lv_obj_t * ta2;
lv_obj_t * kb;
}textinput_objs;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
LV_EVENT_CB_DECLARE(dd_enc)
{
if(e == LV_EVENT_VALUE_CHANGED) {
/*printf("chg\n");*/
}
}
void lv_demo_encoder(void)
{
g = lv_group_create();
lv_group_set_focus_cb(g, focus_cb);
lv_indev_set_group(indev_encoder, g);
tv = lv_tabview_create(lv_scr_act(), NULL);
lv_obj_set_event_cb(tv, tv_event_cb);
lv_obj_set_style_local_bg_color(tv, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
t1 = lv_tabview_add_tab(tv, "Selectors");
t2 = lv_tabview_add_tab(tv, "Text input");
lv_group_add_obj(g, tv);
selectors_create(t1);
text_input_create(t2);
msgbox_create();
}
/**********************
* STATIC FUNCTIONS
**********************/
static void selectors_create(lv_obj_t * parent)
{
lv_page_set_scrl_layout(parent, LV_LAYOUT_COLUMN_MID);
selector_objs.btn = lv_btn_create(parent, NULL);
lv_obj_t * label = lv_label_create(selector_objs.btn, NULL);
lv_label_set_text(label, "Button");
selector_objs.cb = lv_checkbox_create(parent, NULL);
selector_objs.slider = lv_slider_create(parent, NULL);
lv_slider_set_range(selector_objs.slider, 0, 10);
selector_objs.sw = lv_switch_create(parent, NULL);
selector_objs.spinbox = lv_spinbox_create(parent, NULL);
selector_objs.dropdown = lv_dropdown_create(parent, NULL);
lv_obj_set_event_cb(selector_objs.dropdown, dd_enc);
selector_objs.roller = lv_roller_create(parent, NULL);
selector_objs.list = lv_list_create(parent, NULL);
if(lv_obj_get_height(selector_objs.list) > lv_page_get_height_fit(parent)) {
lv_obj_set_height(selector_objs.list, lv_page_get_height_fit(parent));
}
lv_list_add_btn(selector_objs.list, LV_SYMBOL_OK, "Apply");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_CLOSE, "Close");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_EYE_OPEN, "Show");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_EYE_CLOSE, "Hide");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_TRASH, "Delete");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_COPY, "Copy");
lv_list_add_btn(selector_objs.list, LV_SYMBOL_PASTE, "Paste");
}
static void text_input_create(lv_obj_t * parent)
{
textinput_objs.ta1 = lv_textarea_create(parent, NULL);
lv_obj_set_event_cb(textinput_objs.ta1, ta_event_cb);
lv_obj_align(textinput_objs.ta1, NULL, LV_ALIGN_IN_TOP_MID, 0, LV_DPI / 20);
lv_textarea_set_one_line(textinput_objs.ta1, true);
lv_textarea_set_cursor_hidden(textinput_objs.ta1, true);
lv_textarea_set_placeholder_text(textinput_objs.ta1, "Type something");
lv_textarea_set_text(textinput_objs.ta1, "");
textinput_objs.ta2 = lv_textarea_create(parent, textinput_objs.ta1);
lv_obj_align(textinput_objs.ta2, textinput_objs.ta1, LV_ALIGN_OUT_BOTTOM_MID, 0, LV_DPI / 20);
textinput_objs.kb = NULL;
}
static void msgbox_create(void)
{
lv_obj_t * mbox = lv_msgbox_create(lv_layer_top(), NULL);
lv_msgbox_set_text(mbox, "Welcome to the keyboard and encoder demo");
lv_obj_set_event_cb(mbox, msgbox_event_cb);
lv_group_add_obj(g, mbox);
lv_group_focus_obj(mbox);
lv_group_set_editing(g, true);
lv_group_focus_freeze(g, true);
static const char * btns[] = {"Ok", "Cancel", ""};
lv_msgbox_add_btns(mbox, btns);
lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);
lv_obj_set_style_local_bg_opa(lv_layer_top(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_70);
lv_obj_set_style_local_bg_color(lv_layer_top(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
lv_obj_set_click(lv_layer_top(), true);
}
static void msgbox_event_cb(lv_obj_t * msgbox, lv_event_t e)
{
if(e == LV_EVENT_CLICKED) {
uint16_t b = lv_msgbox_get_active_btn(msgbox);
if(b == 0 || b == 1) {
lv_obj_del(msgbox);
lv_obj_reset_style_list(lv_layer_top(), LV_OBJ_PART_MAIN);
lv_obj_set_click(lv_layer_top(), false);
lv_event_send(tv, LV_EVENT_REFRESH, NULL);
}
}
}
static void focus_cb(lv_group_t * group)
{
lv_obj_t * obj = lv_group_get_focused(group);
if(obj != tv) {
uint16_t tab = lv_tabview_get_tab_act(tv);
switch(tab) {
case 0:
lv_page_focus(t1, obj, LV_ANIM_ON);
break;
case 1:
lv_page_focus(t2, obj, LV_ANIM_ON);
break;
case 2:
lv_page_focus(t3, obj, LV_ANIM_ON);
break;
}
}
}
static void tv_event_cb(lv_obj_t * ta, lv_event_t e)
{
if(e == LV_EVENT_VALUE_CHANGED || e == LV_EVENT_REFRESH) {
lv_group_remove_all_objs(g);
uint16_t tab = lv_tabview_get_tab_act(tv);
size_t size = 0;
lv_obj_t ** objs = NULL;
if(tab == 0) {
size = sizeof(selector_objs);
objs = (lv_obj_t**) &selector_objs;
}
else if(tab == 1) {
size = sizeof(textinput_objs);
objs = (lv_obj_t**) &textinput_objs;
}
lv_group_add_obj(g, tv);
uint32_t i;
for(i = 0; i < size / sizeof(lv_obj_t *); i++) {
if(objs[i] == NULL) continue;
lv_group_add_obj(g, objs[i]);
}
}
}
static void ta_event_cb(lv_obj_t * ta, lv_event_t e)
{
/*Create a virtual keyboard for the encoders*/
lv_indev_t * indev = lv_indev_get_act();
if(indev == NULL) return;
lv_indev_type_t indev_type = lv_indev_get_type(indev);
if(e == LV_EVENT_FOCUSED) {
lv_textarea_set_cursor_hidden(ta, false);
if(lv_group_get_editing(g)) {
if(textinput_objs.kb == NULL) {
textinput_objs.kb = lv_keyboard_create(lv_scr_act(), NULL);
lv_group_add_obj(g, textinput_objs.kb);
lv_obj_set_event_cb(textinput_objs.kb, kb_event_cb);
lv_obj_set_height(tv, LV_VER_RES - lv_obj_get_height(textinput_objs.kb));
}
lv_keyboard_set_textarea(textinput_objs.kb, ta);
lv_group_focus_obj(textinput_objs.kb);
lv_group_set_editing(g, true);
lv_page_focus(t2, lv_textarea_get_label(ta), LV_ANIM_ON);
}
}
else if(e == LV_EVENT_DEFOCUSED) {
if(indev_type == LV_INDEV_TYPE_ENCODER) {
if(textinput_objs.kb == NULL) {
lv_textarea_set_cursor_hidden(ta, true);
}
} else {
lv_textarea_set_cursor_hidden(ta, true);
}
}
}
static void kb_event_cb(lv_obj_t * kb, lv_event_t e)
{
lv_keyboard_def_event_cb(kb, e);
if(e == LV_EVENT_APPLY || e == LV_EVENT_CANCEL) {
lv_group_focus_obj(lv_keyboard_get_textarea(kb));
lv_obj_del(kb);
textinput_objs.kb = NULL;
lv_obj_set_height(tv, LV_VER_RES);
}
}