acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_scroll_3.c (1551B)
      1 #include "../lv_examples.h"
      2 #if LV_BUILD_EXAMPLES && LV_USE_LIST
      3 
      4 static uint32_t btn_cnt = 1;
      5 
      6 static void float_btn_event_cb(lv_event_t * e)
      7 {
      8     lv_event_code_t code = lv_event_get_code(e);
      9     lv_obj_t * float_btn = lv_event_get_target(e);
     10 
     11     if(code == LV_EVENT_CLICKED) {
     12         lv_obj_t * list = lv_event_get_user_data(e);
     13         char buf[32];
     14         lv_snprintf(buf, sizeof(buf), "Track %d", (int)btn_cnt);
     15         lv_obj_t * list_btn = lv_list_add_btn(list, LV_SYMBOL_AUDIO, buf);
     16         btn_cnt++;
     17 
     18         lv_obj_move_foreground(float_btn);
     19 
     20         lv_obj_scroll_to_view(list_btn, LV_ANIM_ON);
     21     }
     22 }
     23 
     24 /**
     25  * Create a list with a floating button
     26  */
     27 void lv_example_scroll_3(void)
     28 {
     29     lv_obj_t * list = lv_list_create(lv_scr_act());
     30     lv_obj_set_size(list, 280, 220);
     31     lv_obj_center(list);
     32 
     33     for(btn_cnt = 1; btn_cnt <= 2; btn_cnt++) {
     34         char buf[32];
     35         lv_snprintf(buf, sizeof(buf), "Track %d", (int)btn_cnt);
     36         lv_list_add_btn(list, LV_SYMBOL_AUDIO, buf);
     37     }
     38 
     39     lv_obj_t * float_btn = lv_btn_create(list);
     40     lv_obj_set_size(float_btn, 50, 50);
     41     lv_obj_add_flag(float_btn, LV_OBJ_FLAG_FLOATING);
     42     lv_obj_align(float_btn, LV_ALIGN_BOTTOM_RIGHT, 0, -lv_obj_get_style_pad_right(list, LV_PART_MAIN));
     43     lv_obj_add_event_cb(float_btn, float_btn_event_cb, LV_EVENT_ALL, list);
     44     lv_obj_set_style_radius(float_btn, LV_RADIUS_CIRCLE, 0);
     45     lv_obj_set_style_bg_img_src(float_btn, LV_SYMBOL_PLUS, 0);
     46     lv_obj_set_style_text_font(float_btn, lv_theme_get_font_large(float_btn), 0);
     47 }
     48 
     49 #endif