47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#include "../lv_examples.h"
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#if LV_BUILD_EXAMPLES && LV_USE_SWITCH
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static void event_cb(lv_event_t * e)
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{
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lv_event_code_t code = lv_event_get_code(e);
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lv_obj_t * label = lv_event_get_user_data(e);
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switch(code) {
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case LV_EVENT_PRESSED:
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lv_label_set_text(label, "The last button event:\nLV_EVENT_PRESSED");
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break;
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case LV_EVENT_CLICKED:
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lv_label_set_text(label, "The last button event:\nLV_EVENT_CLICKED");
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break;
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case LV_EVENT_LONG_PRESSED:
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lv_label_set_text(label, "The last button event:\nLV_EVENT_LONG_PRESSED");
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break;
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case LV_EVENT_LONG_PRESSED_REPEAT:
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lv_label_set_text(label, "The last button event:\nLV_EVENT_LONG_PRESSED_REPEAT");
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break;
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default:
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break;
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}
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}
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/**
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* Handle multiple events
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*/
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void lv_example_event_2(void)
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{
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lv_obj_t * btn = lv_btn_create(lv_scr_act());
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lv_obj_set_size(btn, 100, 50);
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lv_obj_center(btn);
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lv_obj_t * btn_label = lv_label_create(btn);
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lv_label_set_text(btn_label, "Click me!");
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lv_obj_center(btn_label);
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lv_obj_t * info_label = lv_label_create(lv_scr_act());
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lv_label_set_text(info_label, "The last button event:\nNone");
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lv_obj_add_event_cb(btn, event_cb, LV_EVENT_ALL, info_label);
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}
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#endif
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