mirror of
https://github.com/lvgl/lvgl.git
synced 2025-01-21 06:53:01 +08:00
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
#include "../../lv_examples.h"
|
|
#if LV_USE_BTNMATRIX && LV_BUILD_EXAMPLES
|
|
|
|
static void event_cb(lv_obj_t * obj, lv_event_t e)
|
|
{
|
|
if(e == LV_EVENT_VALUE_CHANGED) {
|
|
uint32_t id = lv_btnmatrix_get_selected_btn(obj);
|
|
bool prev = id == 0 ? true : false;
|
|
bool next = id == 6 ? true : false;
|
|
if(prev || next) {
|
|
/*Find the checked button*/
|
|
uint32_t i;
|
|
for(i = 1; i < 7; i++) {
|
|
if(lv_btnmatrix_has_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED)) break;
|
|
}
|
|
|
|
if(prev && i > 1) i--;
|
|
else if(next && i < 5) i++;
|
|
|
|
lv_btnmatrix_set_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Make a button group
|
|
*/
|
|
void lv_example_btnmatrix_3(void)
|
|
{
|
|
static lv_style_t style_bg;
|
|
lv_style_init(&style_bg);
|
|
lv_style_set_pad_all(&style_bg, 0);
|
|
lv_style_set_pad_gap(&style_bg, 0);
|
|
lv_style_set_clip_corner(&style_bg, true);
|
|
lv_style_set_radius(&style_bg, LV_RADIUS_CIRCLE);
|
|
lv_style_set_border_width(&style_bg, 0);
|
|
|
|
|
|
static lv_style_t style_btn;
|
|
lv_style_init(&style_btn);
|
|
lv_style_set_radius(&style_btn, 0);
|
|
lv_style_set_border_width(&style_btn, 1);
|
|
lv_style_set_border_opa(&style_btn, LV_OPA_50);
|
|
lv_style_set_border_color(&style_btn, lv_color_grey());
|
|
lv_style_set_border_side(&style_btn, LV_BORDER_SIDE_INTERNAL);
|
|
lv_style_set_radius(&style_btn, 0);
|
|
|
|
static const char * map[] = {LV_SYMBOL_LEFT, "1", "2", "3", "4", "5", LV_SYMBOL_RIGHT, ""};
|
|
|
|
lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
|
|
lv_btnmatrix_set_map(btnm, map);
|
|
lv_obj_add_style(btnm, &style_bg, 0);
|
|
lv_obj_add_style(btnm, &style_btn, LV_PART_ITEMS);
|
|
lv_obj_add_event_cb(btnm, event_cb, NULL);
|
|
lv_obj_set_size(btnm, 225, 35);
|
|
|
|
/*Allow selecting on one number at time*/
|
|
lv_btnmatrix_set_btn_ctrl_all(btnm, LV_BTNMATRIX_CTRL_CHECKABLE);
|
|
lv_btnmatrix_clear_btn_ctrl(btnm, 0, LV_BTNMATRIX_CTRL_CHECKABLE);
|
|
lv_btnmatrix_clear_btn_ctrl(btnm, 6, LV_BTNMATRIX_CTRL_CHECKABLE);
|
|
|
|
lv_btnmatrix_set_one_checked(btnm, true);
|
|
lv_btnmatrix_set_btn_ctrl(btnm, 1, LV_BTNMATRIX_CTRL_CHECKED);
|
|
|
|
lv_obj_center(btnm);
|
|
|
|
}
|
|
|
|
#endif
|