static void joystick_callback(int jid, int event) { if (event == GLFW_CONNECTED) { int axisCount, buttonCount, hatCount; glfwGetJoystickAxes(jid, &axisCount); glfwGetJoystickButtons(jid, &buttonCount); glfwGetJoystickHats(jid, &hatCount); printf("%08x at %0.3f: Joystick %i (%s) was connected with %i axes, %i buttons, and %i hats\n", counter++, glfwGetTime(), jid, glfwGetJoystickName(jid), axisCount, buttonCount, hatCount); } else { printf("%08x at %0.3f: Joystick %i was disconnected\n", counter++, glfwGetTime(), jid); } }
int main(void) { int jid, hat_buttons = GLFW_FALSE; struct nk_context* nk; struct nk_font_atlas* atlas; memset(joysticks, 0, sizeof(joysticks)); glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); window = glfwCreateWindow(800, 600, "Joystick Test", NULL, NULL); if (!window) { glfwTerminate(); exit(EXIT_FAILURE); } glfwMakeContextCurrent(window); gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); glfwSwapInterval(1); nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS); nk_glfw3_font_stash_begin(&atlas); nk_glfw3_font_stash_end(); for (jid = GLFW_JOYSTICK_1; jid <= GLFW_JOYSTICK_LAST; jid++) { if (glfwJoystickPresent(jid)) joysticks[joystick_count++] = jid; } glfwSetJoystickCallback(joystick_callback); while (!glfwWindowShouldClose(window)) { int i, width, height; glfwGetWindowSize(window, &width, &height); glClear(GL_COLOR_BUFFER_BIT); nk_glfw3_new_frame(); if (nk_begin(nk, "Joysticks", nk_rect(width - 200.f, 0.f, 200.f, (float) height), NK_WINDOW_MINIMIZABLE | NK_WINDOW_TITLE)) { nk_layout_row_dynamic(nk, 30, 1); nk_checkbox_label(nk, "Hat buttons", &hat_buttons); if (joystick_count) { for (i = 0; i < joystick_count; i++) { if (nk_button_label(nk, joystick_label(joysticks[i]))) nk_window_set_focus(nk, joystick_label(joysticks[i])); } } else nk_label(nk, "No joysticks connected", NK_TEXT_LEFT); } nk_end(nk); for (i = 0; i < joystick_count; i++) { if (nk_begin(nk, joystick_label(joysticks[i]), nk_rect(i * 20.f, i * 20.f, 550.f, 570.f), NK_WINDOW_BORDER | NK_WINDOW_MOVABLE | NK_WINDOW_SCALABLE | NK_WINDOW_MINIMIZABLE | NK_WINDOW_TITLE)) { int j, axis_count, button_count, hat_count; const float* axes; const unsigned char* buttons; const unsigned char* hats; GLFWgamepadstate state; nk_layout_row_dynamic(nk, 30, 1); nk_label(nk, "Joystick state", NK_TEXT_LEFT); axes = glfwGetJoystickAxes(joysticks[i], &axis_count); buttons = glfwGetJoystickButtons(joysticks[i], &button_count); hats = glfwGetJoystickHats(joysticks[i], &hat_count); if (!hat_buttons) button_count -= hat_count * 4; for (j = 0; j < axis_count; j++) nk_slide_float(nk, -1.f, axes[j], 1.f, 0.1f); nk_layout_row_dynamic(nk, 30, 12); for (j = 0; j < button_count; j++) { char name[16]; snprintf(name, sizeof(name), "%i", j + 1); nk_select_label(nk, name, NK_TEXT_CENTERED, buttons[j]); } nk_layout_row_dynamic(nk, 30, 8); for (j = 0; j < hat_count; j++) hat_widget(nk, hats[j]); nk_layout_row_dynamic(nk, 30, 1); if (glfwGetGamepadState(joysticks[i], &state)) { int hat = 0; const char* names[GLFW_GAMEPAD_BUTTON_LAST + 1 - 4] = { "A", "B", "X", "Y", "LB", "RB", "Back", "Start", "Guide", "LT", "RT", }; nk_label(nk, "Gamepad state", NK_TEXT_LEFT); nk_layout_row_dynamic(nk, 30, 2); for (j = 0; j <= GLFW_GAMEPAD_AXIS_LAST; j++) nk_slide_float(nk, -1.f, state.axes[j], 1.f, 0.1f); nk_layout_row_dynamic(nk, 30, GLFW_GAMEPAD_BUTTON_LAST + 1 - 4); for (j = 0; j <= GLFW_GAMEPAD_BUTTON_LAST - 4; j++) nk_select_label(nk, names[j], NK_TEXT_CENTERED, state.buttons[j]); if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP]) hat |= GLFW_HAT_UP; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT]) hat |= GLFW_HAT_RIGHT; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN]) hat |= GLFW_HAT_DOWN; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT]) hat |= GLFW_HAT_LEFT; nk_layout_row_dynamic(nk, 30, 8); hat_widget(nk, hat); } else nk_label(nk, "Joystick has no gamepad mapping", NK_TEXT_LEFT); } nk_end(nk); } nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000); glfwSwapBuffers(window); glfwPollEvents(); } glfwTerminate(); exit(EXIT_SUCCESS); }