acid-drop/lib/lvgl/examples/widgets/menu/lv_example_menu_5.c

200 lines
8.4 KiB
C
Raw Normal View History

2024-05-23 22:42:03 +00:00
#include "../../lv_examples.h"
#if LV_USE_MENU && LV_USE_MSGBOX && LV_BUILD_EXAMPLES
enum {
LV_MENU_ITEM_BUILDER_VARIANT_1,
LV_MENU_ITEM_BUILDER_VARIANT_2
};
typedef uint8_t lv_menu_builder_variant_t;
static void back_event_handler(lv_event_t * e);
static void switch_handler(lv_event_t * e);
lv_obj_t * root_page;
static lv_obj_t * create_text(lv_obj_t * parent, const char * icon, const char * txt,
lv_menu_builder_variant_t builder_variant);
static lv_obj_t * create_slider(lv_obj_t * parent,
const char * icon, const char * txt, int32_t min, int32_t max, int32_t val);
static lv_obj_t * create_switch(lv_obj_t * parent,
const char * icon, const char * txt, bool chk);
void lv_example_menu_5(void)
{
lv_obj_t * menu = lv_menu_create(lv_scr_act());
lv_color_t bg_color = lv_obj_get_style_bg_color(menu, 0);
if(lv_color_brightness(bg_color) > 127) {
lv_obj_set_style_bg_color(menu, lv_color_darken(lv_obj_get_style_bg_color(menu, 0), 10), 0);
}
else {
lv_obj_set_style_bg_color(menu, lv_color_darken(lv_obj_get_style_bg_color(menu, 0), 50), 0);
}
lv_menu_set_mode_root_back_btn(menu, LV_MENU_ROOT_BACK_BTN_ENABLED);
lv_obj_add_event_cb(menu, back_event_handler, LV_EVENT_CLICKED, menu);
lv_obj_set_size(menu, lv_disp_get_hor_res(NULL), lv_disp_get_ver_res(NULL));
lv_obj_center(menu);
lv_obj_t * cont;
lv_obj_t * section;
/*Create sub pages*/
lv_obj_t * sub_mechanics_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_mechanics_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
lv_menu_separator_create(sub_mechanics_page);
section = lv_menu_section_create(sub_mechanics_page);
create_slider(section, LV_SYMBOL_SETTINGS, "Velocity", 0, 150, 120);
create_slider(section, LV_SYMBOL_SETTINGS, "Acceleration", 0, 150, 50);
create_slider(section, LV_SYMBOL_SETTINGS, "Weight limit", 0, 150, 80);
lv_obj_t * sub_sound_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_sound_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
lv_menu_separator_create(sub_sound_page);
section = lv_menu_section_create(sub_sound_page);
create_switch(section, LV_SYMBOL_AUDIO, "Sound", false);
lv_obj_t * sub_display_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_display_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
lv_menu_separator_create(sub_display_page);
section = lv_menu_section_create(sub_display_page);
create_slider(section, LV_SYMBOL_SETTINGS, "Brightness", 0, 150, 100);
lv_obj_t * sub_software_info_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_software_info_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
section = lv_menu_section_create(sub_software_info_page);
create_text(section, NULL, "Version 1.0", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_obj_t * sub_legal_info_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_legal_info_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
section = lv_menu_section_create(sub_legal_info_page);
for(uint32_t i = 0; i < 15; i++) {
create_text(section, NULL,
"This is a long long long long long long long long long text, if it is long enough it may scroll.",
LV_MENU_ITEM_BUILDER_VARIANT_1);
}
lv_obj_t * sub_about_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_about_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
lv_menu_separator_create(sub_about_page);
section = lv_menu_section_create(sub_about_page);
cont = create_text(section, NULL, "Software information", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_software_info_page);
cont = create_text(section, NULL, "Legal information", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_legal_info_page);
lv_obj_t * sub_menu_mode_page = lv_menu_page_create(menu, NULL);
lv_obj_set_style_pad_hor(sub_menu_mode_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
lv_menu_separator_create(sub_menu_mode_page);
section = lv_menu_section_create(sub_menu_mode_page);
cont = create_switch(section, LV_SYMBOL_AUDIO, "Sidebar enable", true);
lv_obj_add_event_cb(lv_obj_get_child(cont, 2), switch_handler, LV_EVENT_VALUE_CHANGED, menu);
/*Create a root page*/
root_page = lv_menu_page_create(menu, "Settings");
lv_obj_set_style_pad_hor(root_page, lv_obj_get_style_pad_left(lv_menu_get_main_header(menu), 0), 0);
section = lv_menu_section_create(root_page);
cont = create_text(section, LV_SYMBOL_SETTINGS, "Mechanics", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_mechanics_page);
cont = create_text(section, LV_SYMBOL_AUDIO, "Sound", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_sound_page);
cont = create_text(section, LV_SYMBOL_SETTINGS, "Display", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_display_page);
create_text(root_page, NULL, "Others", LV_MENU_ITEM_BUILDER_VARIANT_1);
section = lv_menu_section_create(root_page);
cont = create_text(section, NULL, "About", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_about_page);
cont = create_text(section, LV_SYMBOL_SETTINGS, "Menu mode", LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_menu_set_load_page_event(menu, cont, sub_menu_mode_page);
lv_menu_set_sidebar_page(menu, root_page);
lv_event_send(lv_obj_get_child(lv_obj_get_child(lv_menu_get_cur_sidebar_page(menu), 0), 0), LV_EVENT_CLICKED, NULL);
}
static void back_event_handler(lv_event_t * e)
{
lv_obj_t * obj = lv_event_get_target(e);
lv_obj_t * menu = lv_event_get_user_data(e);
if(lv_menu_back_btn_is_root(menu, obj)) {
lv_obj_t * mbox1 = lv_msgbox_create(NULL, "Hello", "Root back btn click.", NULL, true);
lv_obj_center(mbox1);
}
}
static void switch_handler(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * menu = lv_event_get_user_data(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
if(lv_obj_has_state(obj, LV_STATE_CHECKED)) {
lv_menu_set_page(menu, NULL);
lv_menu_set_sidebar_page(menu, root_page);
lv_event_send(lv_obj_get_child(lv_obj_get_child(lv_menu_get_cur_sidebar_page(menu), 0), 0), LV_EVENT_CLICKED, NULL);
}
else {
lv_menu_set_sidebar_page(menu, NULL);
lv_menu_clear_history(menu); /* Clear history because we will be showing the root page later */
lv_menu_set_page(menu, root_page);
}
}
}
static lv_obj_t * create_text(lv_obj_t * parent, const char * icon, const char * txt,
lv_menu_builder_variant_t builder_variant)
{
lv_obj_t * obj = lv_menu_cont_create(parent);
lv_obj_t * img = NULL;
lv_obj_t * label = NULL;
if(icon) {
img = lv_img_create(obj);
lv_img_set_src(img, icon);
}
if(txt) {
label = lv_label_create(obj);
lv_label_set_text(label, txt);
lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
lv_obj_set_flex_grow(label, 1);
}
if(builder_variant == LV_MENU_ITEM_BUILDER_VARIANT_2 && icon && txt) {
lv_obj_add_flag(img, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
lv_obj_swap(img, label);
}
return obj;
}
static lv_obj_t * create_slider(lv_obj_t * parent, const char * icon, const char * txt, int32_t min, int32_t max,
int32_t val)
{
lv_obj_t * obj = create_text(parent, icon, txt, LV_MENU_ITEM_BUILDER_VARIANT_2);
lv_obj_t * slider = lv_slider_create(obj);
lv_obj_set_flex_grow(slider, 1);
lv_slider_set_range(slider, min, max);
lv_slider_set_value(slider, val, LV_ANIM_OFF);
if(icon == NULL) {
lv_obj_add_flag(slider, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
}
return obj;
}
static lv_obj_t * create_switch(lv_obj_t * parent, const char * icon, const char * txt, bool chk)
{
lv_obj_t * obj = create_text(parent, icon, txt, LV_MENU_ITEM_BUILDER_VARIANT_1);
lv_obj_t * sw = lv_switch_create(obj);
lv_obj_add_state(sw, chk ? LV_STATE_CHECKED : 0);
return obj;
}
#endif