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wasm-micro-runtime/samples/simple/wasm-apps/gui.c
Weining 27f246b5f3 Enable WASI feature, enhance security and add SGX sample (#142)
Change emcc to clang
Refine interpreter to improve perforamnce
2019-11-20 21:16:36 +08:00

71 lines
2.3 KiB
C

/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include <stdlib.h>
#include <unistd.h>
#include "wasm_app.h"
static void btn_event_cb(wgl_obj_t btn, wgl_event_t event);
uint32_t count = 0;
char count_str[11] = { 0 };
wgl_obj_t hello_world_label;
wgl_obj_t count_label;
wgl_obj_t btn1;
wgl_obj_t label_count1;
int label_count1_value = 0;
char label_count1_str[11] = { 0 };
void timer1_update(user_timer_t timer1)
{
if ((count % 100) == 0) {
snprintf(count_str, sizeof(count_str), "%d", count / 100);
wgl_label_set_text(count_label, count_str);
}
++count;
}
void on_init()
{
char text[32] = {0};
hello_world_label = wgl_label_create((wgl_obj_t)NULL, (wgl_obj_t)NULL);
wgl_label_set_text(hello_world_label, "Hello world!");
wgl_label_get_text(hello_world_label, text, sizeof(text));
printf("Label text %d %s \n", wgl_label_get_text_length(hello_world_label), text);
wgl_obj_align(hello_world_label, (wgl_obj_t)NULL, WGL_ALIGN_IN_TOP_LEFT, 0, 0);
count_label = wgl_label_create((wgl_obj_t)NULL, (wgl_obj_t)NULL);
wgl_obj_align(count_label, (wgl_obj_t)NULL, WGL_ALIGN_IN_TOP_MID, 0, 0);
btn1 = wgl_btn_create((wgl_obj_t)NULL, (wgl_obj_t)NULL); /*Create a button on the currently loaded screen*/
wgl_obj_set_event_cb(btn1, btn_event_cb); /*Set function to be called when the button is released*/
wgl_obj_align(btn1, (wgl_obj_t)NULL, WGL_ALIGN_CENTER, 0, 0); /*Align below the label*/
/*Create a label on the button*/
wgl_obj_t btn_label = wgl_label_create(btn1, (wgl_obj_t)NULL);
wgl_label_set_text(btn_label, "Click ++");
label_count1 = wgl_label_create((wgl_obj_t)NULL, (wgl_obj_t)NULL);
wgl_label_set_text(label_count1, "0");
wgl_obj_align(label_count1, (wgl_obj_t)NULL, WGL_ALIGN_IN_BOTTOM_MID, 0, 0);
/* set up a timer */
user_timer_t timer;
timer = api_timer_create(10, true, false, timer1_update);
api_timer_restart(timer, 10);
}
static void btn_event_cb(wgl_obj_t btn, wgl_event_t event)
{
if(event == WGL_EVENT_RELEASED) {
label_count1_value++;
snprintf(label_count1_str, sizeof(label_count1_str),
"%d", label_count1_value);
wgl_label_set_text(label_count1, label_count1_str);
}
}