160 строки
7.5 KiB
C
160 строки
7.5 KiB
C
#include <stdio.h>
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#include <emscripten.h>
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#include <string.h>
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#include <emscripten/html5.h>
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void report_result(int result)
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{
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if (result == 0) {
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printf("Test successful!\n");
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} else {
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printf("Test failed!\n");
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}
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#ifdef REPORT_RESULT
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REPORT_RESULT();
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#endif
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}
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static inline const char *emscripten_event_type_to_string(int eventType) {
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const char *events[] = { "(invalid)", "(none)", "keypress", "keydown", "keyup", "click", "mousedown", "mouseup", "dblclick", "mousemove", "wheel", "resize",
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"scroll", "blur", "focus", "focusin", "focusout", "deviceorientation", "devicemotion", "orientationchange", "fullscreenchange", "pointerlockchange",
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"visibilitychange", "touchstart", "touchend", "touchmove", "touchcancel", "gamepadconnected", "gamepaddisconnected", "beforeunload",
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"batterychargingchange", "batterylevelchange", "webglcontextlost", "webglcontextrestored", "(invalid)" };
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++eventType;
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if (eventType < 0) eventType = 0;
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if (eventType >= sizeof(events)/sizeof(events[0])) eventType = sizeof(events)/sizeof(events[0])-1;
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return events[eventType];
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}
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const char *emscripten_result_to_string(EMSCRIPTEN_RESULT result) {
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if (result == EMSCRIPTEN_RESULT_SUCCESS) return "EMSCRIPTEN_RESULT_SUCCESS";
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if (result == EMSCRIPTEN_RESULT_DEFERRED) return "EMSCRIPTEN_RESULT_DEFERRED";
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if (result == EMSCRIPTEN_RESULT_NOT_SUPPORTED) return "EMSCRIPTEN_RESULT_NOT_SUPPORTED";
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if (result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED) return "EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED";
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if (result == EMSCRIPTEN_RESULT_INVALID_TARGET) return "EMSCRIPTEN_RESULT_INVALID_TARGET";
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if (result == EMSCRIPTEN_RESULT_UNKNOWN_TARGET) return "EMSCRIPTEN_RESULT_UNKNOWN_TARGET";
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if (result == EMSCRIPTEN_RESULT_INVALID_PARAM) return "EMSCRIPTEN_RESULT_INVALID_PARAM";
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if (result == EMSCRIPTEN_RESULT_FAILED) return "EMSCRIPTEN_RESULT_FAILED";
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if (result == EMSCRIPTEN_RESULT_NO_DATA) return "EMSCRIPTEN_RESULT_NO_DATA";
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return "Unknown EMSCRIPTEN_RESULT!";
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}
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#define TEST_RESULT(x) if (ret != EMSCRIPTEN_RESULT_SUCCESS) printf("%s returned %s.\n", #x, emscripten_result_to_string(ret));
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int gotClick = 0;
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int gotMouseDown = 0;
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int gotMouseUp = 0;
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int gotDblClick = 0;
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int gotMouseMove = 0;
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int gotWheel = 0;
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void instruction()
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{
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if (!gotClick) { printf("Please click on the canvas.\n"); return; }
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if (!gotMouseDown) { printf("Please click on the canvas.\n"); return; }
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if (!gotMouseUp) { printf("Please click on the canvas.\n"); return; }
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if (!gotDblClick) { printf("Please double-click on the canvas.\n"); return; }
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if (!gotMouseMove) { printf("Please move the mouse on the canvas.\n"); return; }
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if (!gotWheel) { printf("Please scroll the mouse wheel.\n"); return; }
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if (gotClick && gotMouseDown && gotMouseUp && gotDblClick && gotMouseMove && gotWheel) report_result(0);
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}
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EM_BOOL mouse_callback(int eventType, const EmscriptenMouseEvent *e, void *userData)
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{
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printf("%s, screen: (%ld,%ld), client: (%ld,%ld),%s%s%s%s button: %hu, buttons: %hu, movement: (%ld,%ld), canvas: (%ld,%ld), target: (%ld, %ld)\n",
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emscripten_event_type_to_string(eventType), e->screenX, e->screenY, e->clientX, e->clientY,
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e->ctrlKey ? " CTRL" : "", e->shiftKey ? " SHIFT" : "", e->altKey ? " ALT" : "", e->metaKey ? " META" : "",
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e->button, e->buttons, e->movementX, e->movementY, e->canvasX, e->canvasY, e->targetX, e->targetY);
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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)
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{
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if (e->buttons != 0)
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{
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if (eventType == EMSCRIPTEN_EVENT_CLICK) gotClick = 1;
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if (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN) gotMouseDown = 1;
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if (eventType == EMSCRIPTEN_EVENT_DBLCLICK) gotDblClick = 1;
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}
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if (eventType == EMSCRIPTEN_EVENT_MOUSEUP) gotMouseUp = 1;
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if (eventType == EMSCRIPTEN_EVENT_MOUSEMOVE && (e->movementX != 0 || e->movementY != 0)) gotMouseMove = 1;
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}
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if (eventType == EMSCRIPTEN_EVENT_CLICK && e->screenX == -500000)
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{
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printf("ERROR! Received an event to a callback that should have been unregistered!\n");
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gotClick = 0;
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report_result(1);
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}
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instruction();
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return 0;
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}
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EM_BOOL wheel_callback(int eventType, const EmscriptenWheelEvent *e, void *userData)
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{
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printf("%s, screen: (%ld,%ld), client: (%ld,%ld),%s%s%s%s button: %hu, buttons: %hu, canvas: (%ld,%ld), target: (%ld, %ld), delta:(%g,%g,%g), deltaMode:%lu\n",
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emscripten_event_type_to_string(eventType), e->mouse.screenX, e->mouse.screenY, e->mouse.clientX, e->mouse.clientY,
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e->mouse.ctrlKey ? " CTRL" : "", e->mouse.shiftKey ? " SHIFT" : "", e->mouse.altKey ? " ALT" : "", e->mouse.metaKey ? " META" : "",
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e->mouse.button, e->mouse.buttons, e->mouse.canvasX, e->mouse.canvasY, e->mouse.targetX, e->mouse.targetY,
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(float)e->deltaX, (float)e->deltaY, (float)e->deltaZ, e->deltaMode);
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if (e->deltaY > 0.f || e->deltaY < 0.f)
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gotWheel = 1;
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instruction();
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return 0;
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}
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int main()
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{
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EMSCRIPTEN_RESULT ret = emscripten_set_click_callback(0, 0, 1, mouse_callback);
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TEST_RESULT(emscripten_set_click_callback);
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ret = emscripten_set_mousedown_callback(0, 0, 1, mouse_callback);
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TEST_RESULT(emscripten_set_mousedown_callback);
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ret = emscripten_set_mouseup_callback(0, 0, 1, mouse_callback);
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TEST_RESULT(emscripten_set_mouseup_callback);
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ret = emscripten_set_dblclick_callback(0, 0, 1, mouse_callback);
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TEST_RESULT(emscripten_set_dblclick_callback);
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ret = emscripten_set_mousemove_callback(0, 0, 1, mouse_callback);
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TEST_RESULT(emscripten_set_mousemove_callback);
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ret = emscripten_set_wheel_callback(0, 0, 1, wheel_callback);
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TEST_RESULT(emscripten_set_wheel_callback);
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#ifdef AUTOMATE_SUCCESS
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EM_ASM(
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function sendEvent(type, data) {
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var event = document.createEvent('Event');
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event.initEvent(type, true, true);
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for(var d in data) event[d] = data[d];
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window.dispatchEvent(event);
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}
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sendEvent('click', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 1 });
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);
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// Test that unregistering a callback works. Clicks should no longer be received.
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ret = emscripten_set_click_callback(0, 0, 1, 0);
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TEST_RESULT(emscripten_set_click_callback);
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EM_ASM(
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function sendEvent(type, data) {
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var event = document.createEvent('Event');
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event.initEvent(type, true, true);
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for(var d in data) event[d] = data[d];
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window.dispatchEvent(event);
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}
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sendEvent('click', { screenX: -500000, screenY: -500000, clientX: -500000, clientY: -500000, button: 0, buttons: 1 }); // Send a dummy event that should not be received.
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sendEvent('mousedown', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 1 });
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sendEvent('mouseup', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 0 });
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sendEvent('dblclick', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 1 });
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sendEvent('mousemove', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 0, 'movementX': 1, 'movementY': 1 });
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sendEvent('wheel', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 0, 'deltaX': 1, 'deltaY': 1, 'deltaZ': 1, 'deltaMode': 1 });
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sendEvent('mousewheel', { screenX: 1, screenY: 1, clientX: 1, clientY: 1, button: 0, buttons: 0, 'wheelDeltaX': 1, 'wheelDeltaY': 1 });
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);
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#endif
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/* For the events to function, one must either call emscripten_set_main_loop or enable Module.noExitRuntime by some other means.
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Otherwise the application will exit after leaving main(), and the atexit handlers will clean up all event hooks (by design). */
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EM_ASM(Module['noExitRuntime'] = true);
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return 0;
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}
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