acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_btnmatrix_3.c (2209B)
      1 #include "../../lv_examples.h"
      2 #if LV_USE_BTNMATRIX  && LV_BUILD_EXAMPLES
      3 
      4 static void event_cb(lv_event_t * e)
      5 {
      6     lv_obj_t * obj = lv_event_get_target(e);
      7     uint32_t id = lv_btnmatrix_get_selected_btn(obj);
      8     bool prev = id == 0 ? true : false;
      9     bool next = id == 6 ? true : false;
     10     if(prev || next) {
     11         /*Find the checked button*/
     12         uint32_t i;
     13         for(i = 1; i < 7; i++) {
     14             if(lv_btnmatrix_has_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED)) break;
     15         }
     16 
     17         if(prev && i > 1) i--;
     18         else if(next && i < 5) i++;
     19 
     20         lv_btnmatrix_set_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED);
     21     }
     22 }
     23 
     24 /**
     25  * Make a button group (pagination)
     26  */
     27 void lv_example_btnmatrix_3(void)
     28 {
     29     static lv_style_t style_bg;
     30     lv_style_init(&style_bg);
     31     lv_style_set_pad_all(&style_bg, 0);
     32     lv_style_set_pad_gap(&style_bg, 0);
     33     lv_style_set_clip_corner(&style_bg, true);
     34     lv_style_set_radius(&style_bg, LV_RADIUS_CIRCLE);
     35     lv_style_set_border_width(&style_bg, 0);
     36 
     37 
     38     static lv_style_t style_btn;
     39     lv_style_init(&style_btn);
     40     lv_style_set_radius(&style_btn, 0);
     41     lv_style_set_border_width(&style_btn, 1);
     42     lv_style_set_border_opa(&style_btn, LV_OPA_50);
     43     lv_style_set_border_color(&style_btn, lv_palette_main(LV_PALETTE_GREY));
     44     lv_style_set_border_side(&style_btn, LV_BORDER_SIDE_INTERNAL);
     45     lv_style_set_radius(&style_btn, 0);
     46 
     47     static const char * map[] = {LV_SYMBOL_LEFT, "1", "2", "3", "4", "5", LV_SYMBOL_RIGHT, ""};
     48 
     49     lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
     50     lv_btnmatrix_set_map(btnm, map);
     51     lv_obj_add_style(btnm, &style_bg, 0);
     52     lv_obj_add_style(btnm, &style_btn, LV_PART_ITEMS);
     53     lv_obj_add_event_cb(btnm, event_cb, LV_EVENT_VALUE_CHANGED, NULL);
     54     lv_obj_set_size(btnm, 225, 35);
     55 
     56     /*Allow selecting on one number at time*/
     57     lv_btnmatrix_set_btn_ctrl_all(btnm, LV_BTNMATRIX_CTRL_CHECKABLE);
     58     lv_btnmatrix_clear_btn_ctrl(btnm, 0, LV_BTNMATRIX_CTRL_CHECKABLE);
     59     lv_btnmatrix_clear_btn_ctrl(btnm, 6, LV_BTNMATRIX_CTRL_CHECKABLE);
     60 
     61     lv_btnmatrix_set_one_checked(btnm, true);
     62     lv_btnmatrix_set_btn_ctrl(btnm, 1, LV_BTNMATRIX_CTRL_CHECKED);
     63 
     64     lv_obj_center(btnm);
     65 
     66 }
     67 
     68 #endif