1 /*
2 * Copyright 2016 The Emscripten Authors. All rights reserved.
3 * Emscripten is available under two separate licenses, the MIT license and the
4 * University of Illinois/NCSA Open Source License. Both these licenses can be
5 * found in the LICENSE file.
6 */
7
8 #include <stdio.h>
9 #include <emscripten.h>
10 #include <string.h>
11 #include <emscripten/html5.h>
12
report_result(int result)13 void report_result(int result)
14 {
15 if (result == 0) {
16 printf("Test successful!\n");
17 } else {
18 printf("Test failed!\n");
19 }
20 #ifdef REPORT_RESULT
21 REPORT_RESULT(result);
22 #endif
23 }
24
emscripten_result_to_string(EMSCRIPTEN_RESULT result)25 const char *emscripten_result_to_string(EMSCRIPTEN_RESULT result) {
26 if (result == EMSCRIPTEN_RESULT_SUCCESS) return "EMSCRIPTEN_RESULT_SUCCESS";
27 if (result == EMSCRIPTEN_RESULT_DEFERRED) return "EMSCRIPTEN_RESULT_DEFERRED";
28 if (result == EMSCRIPTEN_RESULT_NOT_SUPPORTED) return "EMSCRIPTEN_RESULT_NOT_SUPPORTED";
29 if (result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED) return "EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED";
30 if (result == EMSCRIPTEN_RESULT_INVALID_TARGET) return "EMSCRIPTEN_RESULT_INVALID_TARGET";
31 if (result == EMSCRIPTEN_RESULT_UNKNOWN_TARGET) return "EMSCRIPTEN_RESULT_UNKNOWN_TARGET";
32 if (result == EMSCRIPTEN_RESULT_INVALID_PARAM) return "EMSCRIPTEN_RESULT_INVALID_PARAM";
33 if (result == EMSCRIPTEN_RESULT_FAILED) return "EMSCRIPTEN_RESULT_FAILED";
34 if (result == EMSCRIPTEN_RESULT_NO_DATA) return "EMSCRIPTEN_RESULT_NO_DATA";
35 return "Unknown EMSCRIPTEN_RESULT!";
36 }
37
38 #define TEST_RESULT(x) if (ret != EMSCRIPTEN_RESULT_SUCCESS) printf("%s returned %s.\n", #x, emscripten_result_to_string(ret));
39
40 int gotClick = 0;
41
click_callback(int eventType,const EmscriptenMouseEvent * e,void * userData)42 EM_BOOL click_callback(int eventType, const EmscriptenMouseEvent *e, void *userData)
43 {
44 if (e->screenX != 0 && e->screenY != 0 && e->clientX != 0 && e->clientY != 0 && e->canvasX != 0 && e->canvasY != 0 && e->targetX != 0 && e->targetY != 0)
45 {
46 if (eventType == EMSCRIPTEN_EVENT_CLICK && !gotClick) {
47 gotClick = 1;
48 printf("Request pointer lock...\n");
49 EMSCRIPTEN_RESULT ret = emscripten_request_pointerlock(0, 0);
50 TEST_RESULT(ret);
51 if (ret != EMSCRIPTEN_RESULT_SUCCESS) {
52 printf("ERROR! emscripten_request_pointerlock() failure\n");
53 report_result(1);
54 }
55 }
56 }
57
58 return 0;
59 }
60
pointerlockchange_callback(int eventType,const EmscriptenPointerlockChangeEvent * e,void * userData)61 EM_BOOL pointerlockchange_callback(int eventType, const EmscriptenPointerlockChangeEvent *e, void *userData) {
62 printf("ERROR! received 'pointerlockchange' event\n");
63 report_result(1);
64
65 return 0;
66 }
67
pointerlockerror_callback(int eventType,const void * reserved,void * userData)68 EM_BOOL pointerlockerror_callback(int eventType, const void *reserved, void *userData) {
69 if (eventType != EMSCRIPTEN_EVENT_POINTERLOCKERROR) {
70 printf("ERROR! invalid event type for 'pointerlockerror' callback\n");
71 report_result(1);
72 return 0;
73 }
74
75 printf("SUCCESS! received 'pointerlockerror' event\n");
76 report_result(0);
77
78 return 0;
79 }
80
main()81 int main()
82 {
83 printf("'pointerlockerror' event test:\n");
84 printf("Reject the pointer lock request after clicking on canvas.\n");
85
86 // Make the canvas area stand out from the background.
87 emscripten_set_canvas_element_size( "#canvas", 400, 300 );
88 EM_ASM(Module['canvas'].style.backgroundColor = 'black';);
89
90 EMSCRIPTEN_RESULT ret = emscripten_set_click_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, 0, 1, click_callback);
91 TEST_RESULT(emscripten_set_click_callback);
92 ret = emscripten_set_pointerlockchange_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, 0, 1, pointerlockchange_callback);
93 TEST_RESULT(emscripten_set_pointerlockchange_callback);
94 ret = emscripten_set_pointerlockerror_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, 0, 1, pointerlockerror_callback);
95 TEST_RESULT(emscripten_set_pointerlockerror_callback);
96
97 /* For the events to function, one must either call emscripten_set_main_loop or enable Module.noExitRuntime by some other means.
98 Otherwise the application will exit after leaving main(), and the atexit handlers will clean up all event hooks (by design). */
99 EM_ASM(noExitRuntime = true);
100 return 0;
101 }
102