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/*
* Copyright 2017 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <GLFW/glfw3.h>
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#include <emscripten/html5.h>
#endif
GLFWwindow *window;
int last_cursor_disabled = -1;
int pointerlock_isActive = 0;
void render() {
glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
int cursor_disabled = glfwGetInputMode(window, GLFW_CURSOR) == GLFW_CURSOR_DISABLED;
if (cursor_disabled != last_cursor_disabled) {
last_cursor_disabled = cursor_disabled;
printf("GLFW_CURSOR_DISABLED? %d\n", cursor_disabled);
static int step = 2;
if (cursor_disabled == pointerlock_isActive) {
printf("Pass %d: glfwGetInputMode GLFW_CURSOR matches pointerlockchange event\n\n", step++);
if (step == 5) {
printf("All tests passed.\n");
exit(0);
}
if (cursor_disabled) printf("Press escape to exit Pointer Lock\n");
else printf("Click again to enable Pointer Lock\n");
} else {
printf("FAIL: cursor_disabled(%d) != pointerlock_isActive(%d)\n", cursor_disabled, pointerlock_isActive);
exit(1);
}
}
}
#ifdef __EMSCRIPTEN__
EM_BOOL on_pointerlockchange(int eventType, const EmscriptenPointerlockChangeEvent *event, void *userData) {
printf("pointerlockchange, isActive=%d\n", event->isActive);
pointerlock_isActive = event->isActive;
return 0;
}
#endif
int main() {
if (!glfwInit()) {
return -1;
}
window = glfwCreateWindow(640, 480, "test_glfw_cursor_disabled", NULL, NULL);
if (!window) {
glfwTerminate();
return -1;
}
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
if (glfwGetInputMode(window, GLFW_CURSOR) == GLFW_CURSOR_DISABLED) {
// Browsers do not allow disabling the cursor (Pointer Lock) without a gesture.
printf("FAIL: glfwGetInputMode returned GLFW_CURSOR_DISABLED prematurely\n");
exit(1);
}
printf("Pass 1: glfwGetInputMode not prematurely returning cursor disabled\n");
printf("Click within the canvas to activate Pointer Lock\n");
#ifdef __EMSCRIPTEN__
emscripten_set_pointerlockchange_callback(NULL, NULL, 0, on_pointerlockchange);
emscripten_set_main_loop(render, 0, 1);
__builtin_trap();
#else
while (!glfwWindowShouldClose(window)) {
glfwPollEvents();
}
#endif
glfwTerminate();
return 0;
}
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