acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_roller_1.c (1227B)
      1 #include "../../lv_examples.h"
      2 #if LV_USE_ROLLER && LV_BUILD_EXAMPLES
      3 
      4 static void event_handler(lv_event_t * e)
      5 {
      6     lv_event_code_t code = lv_event_get_code(e);
      7     lv_obj_t * obj = lv_event_get_target(e);
      8     if(code == LV_EVENT_VALUE_CHANGED) {
      9         char buf[32];
     10         lv_roller_get_selected_str(obj, buf, sizeof(buf));
     11         LV_LOG_USER("Selected month: %s\n", buf);
     12     }
     13 }
     14 
     15 /**
     16  * An infinite roller with the name of the months
     17  */
     18 void lv_example_roller_1(void)
     19 {
     20     lv_obj_t * roller1 = lv_roller_create(lv_scr_act());
     21     lv_roller_set_options(roller1,
     22                           "January\n"
     23                           "February\n"
     24                           "March\n"
     25                           "April\n"
     26                           "May\n"
     27                           "June\n"
     28                           "July\n"
     29                           "August\n"
     30                           "September\n"
     31                           "October\n"
     32                           "November\n"
     33                           "December",
     34                           LV_ROLLER_MODE_INFINITE);
     35 
     36     lv_roller_set_visible_row_count(roller1, 4);
     37     lv_obj_center(roller1);
     38     lv_obj_add_event_cb(roller1, event_handler, LV_EVENT_ALL, NULL);
     39 }
     40 
     41 #endif