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lvgl/examples/widgets/btn/lv_example_btn_2.c
2021-03-25 13:36:50 +01:00

52 lines
1.5 KiB
C

#include "../../../lvgl.h"
#include <stdio.h>
#if LV_USE_BTN
/**
* Style a button from scratch
*/
void lv_example_btn_2(void)
{
static lv_style_t style;
static lv_style_t style_pr;
lv_style_init(&style);
lv_style_init(&style_pr);
/*Init the default style*/
lv_style_set_radius(&style, 3);
lv_style_set_bg_opa(&style, LV_OPA_70);
lv_style_set_bg_color(&style, lv_color_blue());
lv_style_set_bg_grad_color(&style, lv_color_blue_darken_2());
lv_style_set_bg_grad_dir(&style, LV_GRAD_DIR_VER);
lv_style_set_border_opa(&style, LV_OPA_40);
lv_style_set_border_width(&style, 2);
lv_style_set_border_color(&style, lv_color_grey());
lv_style_set_shadow_width(&style, 8);
lv_style_set_shadow_color(&style, lv_color_grey());
lv_style_set_shadow_ofs_y(&style, 8);
lv_style_set_text_color(&style, lv_color_white());
/*Init the pressed style*/
lv_style_set_shadow_ofs_y(&style_pr, 3);
lv_style_set_bg_color(&style_pr, lv_color_blue_darken_2());
lv_style_set_bg_grad_color(&style_pr, lv_color_blue_darken_4());
lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
lv_obj_remove_style(btn1, LV_PART_ANY, LV_STATE_ANY, NULL);
lv_obj_add_style(btn1, LV_PART_MAIN, LV_STATE_DEFAULT, &style);
lv_obj_add_style(btn1, LV_PART_MAIN, LV_STATE_PRESSED, &style_pr);
lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 0);
lv_obj_t * label = lv_label_create(btn1);
lv_label_set_text(label, "Button");
lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
}
#endif