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53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#include "../lv_examples.h"
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#if LV_BUILD_EXAMPLES && LV_USE_SWITCH
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static void anim_x_cb(void * var, int32_t v)
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{
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lv_obj_set_x(var, v);
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}
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static void sw_event_cb(lv_event_t * e)
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{
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lv_obj_t * sw = lv_event_get_target(e);
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lv_obj_t * label = lv_event_get_user_data(e);
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if(lv_obj_has_state(sw, LV_STATE_CHECKED)) {
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lv_anim_t a;
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lv_anim_init(&a);
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lv_anim_set_var(&a, label);
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lv_anim_set_values(&a, lv_obj_get_x(label), 100);
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lv_anim_set_duration(&a, 500);
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lv_anim_set_exec_cb(&a, anim_x_cb);
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lv_anim_set_path_cb(&a, lv_anim_path_overshoot);
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lv_anim_start(&a);
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}
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else {
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lv_anim_t a;
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lv_anim_init(&a);
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lv_anim_set_var(&a, label);
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lv_anim_set_values(&a, lv_obj_get_x(label), -lv_obj_get_width(label));
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lv_anim_set_duration(&a, 500);
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lv_anim_set_exec_cb(&a, anim_x_cb);
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lv_anim_set_path_cb(&a, lv_anim_path_ease_in);
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lv_anim_start(&a);
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}
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}
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/**
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* Start animation on an event
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*/
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void lv_example_anim_1(void)
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{
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lv_obj_t * label = lv_label_create(lv_screen_active());
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lv_label_set_text(label, "Hello animations!");
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lv_obj_set_pos(label, 100, 10);
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lv_obj_t * sw = lv_switch_create(lv_screen_active());
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lv_obj_center(sw);
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lv_obj_add_state(sw, LV_STATE_CHECKED);
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lv_obj_add_event_cb(sw, sw_event_cb, LV_EVENT_VALUE_CHANGED, label);
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}
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#endif
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