//======================================================================== // Event linter (event spewer) // Copyright (c) Camilla Berglund // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would // be appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source // distribution. // //======================================================================== // // This test hooks every available callback and outputs their arguments // // Log messages go to stdout, error messages to stderr // // Every event also gets a (sequential) number to aid discussion of logs // //======================================================================== #include #include #include #include #include // These must match the input mode defaults static GLboolean closeable = GL_TRUE; // Event index static unsigned int counter = 0; static const char* get_key_name(int key) { switch (key) { // Printable keys case GLFW_KEY_A: return "A"; case GLFW_KEY_B: return "B"; case GLFW_KEY_C: return "C"; case GLFW_KEY_D: return "D"; case GLFW_KEY_E: return "E"; case GLFW_KEY_F: return "F"; case GLFW_KEY_G: return "G"; case GLFW_KEY_H: return "H"; case GLFW_KEY_I: return "I"; case GLFW_KEY_J: return "J"; case GLFW_KEY_K: return "K"; case GLFW_KEY_L: return "L"; case GLFW_KEY_M: return "M"; case GLFW_KEY_N: return "N"; case GLFW_KEY_O: return "O"; case GLFW_KEY_P: return "P"; case GLFW_KEY_Q: return "Q"; case GLFW_KEY_R: return "R"; case GLFW_KEY_S: return "S"; case GLFW_KEY_T: return "T"; case GLFW_KEY_U: return "U"; case GLFW_KEY_V: return "V"; case GLFW_KEY_W: return "W"; case GLFW_KEY_X: return "X"; case GLFW_KEY_Y: return "Y"; case GLFW_KEY_Z: return "Z"; case GLFW_KEY_1: return "1"; case GLFW_KEY_2: return "2"; case GLFW_KEY_3: return "3"; case GLFW_KEY_4: return "4"; case GLFW_KEY_5: return "5"; case GLFW_KEY_6: return "6"; case GLFW_KEY_7: return "7"; case GLFW_KEY_8: return "8"; case GLFW_KEY_9: return "9"; case GLFW_KEY_0: return "0"; case GLFW_KEY_SPACE: return "SPACE"; case GLFW_KEY_MINUS: return "MINUS"; case GLFW_KEY_EQUAL: return "EQUAL"; case GLFW_KEY_LEFT_BRACKET: return "LEFT BRACKET"; case GLFW_KEY_RIGHT_BRACKET: return "RIGHT BRACKET"; case GLFW_KEY_BACKSLASH: return "BACKSLASH"; case GLFW_KEY_SEMICOLON: return "SEMICOLON"; case GLFW_KEY_APOSTROPHE: return "APOSTROPHE"; case GLFW_KEY_GRAVE_ACCENT: return "GRAVE ACCENT"; case GLFW_KEY_COMMA: return "COMMA"; case GLFW_KEY_PERIOD: return "PERIOD"; case GLFW_KEY_SLASH: return "SLASH"; case GLFW_KEY_WORLD_1: return "WORLD 1"; case GLFW_KEY_WORLD_2: return "WORLD 2"; // Function keys case GLFW_KEY_ESCAPE: return "ESCAPE"; case GLFW_KEY_F1: return "F1"; case GLFW_KEY_F2: return "F2"; case GLFW_KEY_F3: return "F3"; case GLFW_KEY_F4: return "F4"; case GLFW_KEY_F5: return "F5"; case GLFW_KEY_F6: return "F6"; case GLFW_KEY_F7: return "F7"; case GLFW_KEY_F8: return "F8"; case GLFW_KEY_F9: return "F9"; case GLFW_KEY_F10: return "F10"; case GLFW_KEY_F11: return "F11"; case GLFW_KEY_F12: return "F12"; case GLFW_KEY_F13: return "F13"; case GLFW_KEY_F14: return "F14"; case GLFW_KEY_F15: return "F15"; case GLFW_KEY_F16: return "F16"; case GLFW_KEY_F17: return "F17"; case GLFW_KEY_F18: return "F18"; case GLFW_KEY_F19: return "F19"; case GLFW_KEY_F20: return "F20"; case GLFW_KEY_F21: return "F21"; case GLFW_KEY_F22: return "F22"; case GLFW_KEY_F23: return "F23"; case GLFW_KEY_F24: return "F24"; case GLFW_KEY_F25: return "F25"; case GLFW_KEY_UP: return "UP"; case GLFW_KEY_DOWN: return "DOWN"; case GLFW_KEY_LEFT: return "LEFT"; case GLFW_KEY_RIGHT: return "RIGHT"; case GLFW_KEY_LEFT_SHIFT: return "LEFT SHIFT"; case GLFW_KEY_RIGHT_SHIFT: return "RIGHT SHIFT"; case GLFW_KEY_LEFT_CONTROL: return "LEFT CONTROL"; case GLFW_KEY_RIGHT_CONTROL: return "RIGHT CONTROL"; case GLFW_KEY_LEFT_ALT: return "LEFT ALT"; case GLFW_KEY_RIGHT_ALT: return "RIGHT ALT"; case GLFW_KEY_TAB: return "TAB"; case GLFW_KEY_ENTER: return "ENTER"; case GLFW_KEY_BACKSPACE: return "BACKSPACE"; case GLFW_KEY_INSERT: return "INSERT"; case GLFW_KEY_DELETE: return "DELETE"; case GLFW_KEY_PAGE_UP: return "PAGE UP"; case GLFW_KEY_PAGE_DOWN: return "PAGE DOWN"; case GLFW_KEY_HOME: return "HOME"; case GLFW_KEY_END: return "END"; case GLFW_KEY_KP_0: return "KEYPAD 0"; case GLFW_KEY_KP_1: return "KEYPAD 1"; case GLFW_KEY_KP_2: return "KEYPAD 2"; case GLFW_KEY_KP_3: return "KEYPAD 3"; case GLFW_KEY_KP_4: return "KEYPAD 4"; case GLFW_KEY_KP_5: return "KEYPAD 5"; case GLFW_KEY_KP_6: return "KEYPAD 6"; case GLFW_KEY_KP_7: return "KEYPAD 7"; case GLFW_KEY_KP_8: return "KEYPAD 8"; case GLFW_KEY_KP_9: return "KEYPAD 9"; case GLFW_KEY_KP_DIVIDE: return "KEYPAD DIVIDE"; case GLFW_KEY_KP_MULTIPLY: return "KEYPAD MULTPLY"; case GLFW_KEY_KP_SUBTRACT: return "KEYPAD SUBTRACT"; case GLFW_KEY_KP_ADD: return "KEYPAD ADD"; case GLFW_KEY_KP_DECIMAL: return "KEYPAD DECIMAL"; case GLFW_KEY_KP_EQUAL: return "KEYPAD EQUAL"; case GLFW_KEY_KP_ENTER: return "KEYPAD ENTER"; case GLFW_KEY_PRINT_SCREEN: return "PRINT SCREEN"; case GLFW_KEY_NUM_LOCK: return "NUM LOCK"; case GLFW_KEY_CAPS_LOCK: return "CAPS LOCK"; case GLFW_KEY_SCROLL_LOCK: return "SCROLL LOCK"; case GLFW_KEY_PAUSE: return "PAUSE"; case GLFW_KEY_LEFT_SUPER: return "LEFT SUPER"; case GLFW_KEY_RIGHT_SUPER: return "RIGHT SUPER"; case GLFW_KEY_MENU: return "MENU"; default: return NULL; } } static const char* get_action_name(int action) { switch (action) { case GLFW_PRESS: return "pressed"; case GLFW_RELEASE: return "released"; case GLFW_REPEAT: return "repeated"; } return "caused unknown action"; } static const char* get_button_name(int button) { switch (button) { case GLFW_MOUSE_BUTTON_LEFT: return "left"; case GLFW_MOUSE_BUTTON_RIGHT: return "right"; case GLFW_MOUSE_BUTTON_MIDDLE: return "middle"; } return NULL; } static const char* get_character_string(int character) { // This assumes UTF-8, which is stupid static char result[6 + 1]; int length = wctomb(result, character); if (length == -1) length = 0; result[length] = '\0'; return result; } static void error_callback(int error, const char* description) { fprintf(stderr, "Error: %s\n", description); } static void window_pos_callback(GLFWwindow* window, int x, int y) { printf("%08x at %0.3f: Window position: %i %i\n", counter++, glfwGetTime(), x, y); } static void window_size_callback(GLFWwindow* window, int width, int height) { printf("%08x at %0.3f: Window size: %i %i\n", counter++, glfwGetTime(), width, height); glViewport(0, 0, width, height); } static int window_close_callback(GLFWwindow* window) { printf("%08x at %0.3f: Window close\n", counter++, glfwGetTime()); return closeable; } static void window_refresh_callback(GLFWwindow* window) { printf("%08x at %0.3f: Window refresh\n", counter++, glfwGetTime()); if (glfwGetCurrentContext()) { glClear(GL_COLOR_BUFFER_BIT); glfwSwapBuffers(window); } } static void window_focus_callback(GLFWwindow* window, int focused) { printf("%08x at %0.3f: Window %s\n", counter++, glfwGetTime(), focused ? "focused" : "defocused"); } static void window_iconify_callback(GLFWwindow* window, int iconified) { printf("%08x at %0.3f: Window was %s\n", counter++, glfwGetTime(), iconified ? "iconified" : "restored"); } static void mouse_button_callback(GLFWwindow* window, int button, int action) { const char* name = get_button_name(button); printf("%08x at %0.3f: Mouse button %i", counter++, glfwGetTime(), button); if (name) printf(" (%s) was %s\n", name, get_action_name(action)); else printf(" was %s\n", get_action_name(action)); } static void cursor_position_callback(GLFWwindow* window, int x, int y) { printf("%08x at %0.3f: Cursor position: %i %i\n", counter++, glfwGetTime(), x, y); } static void cursor_enter_callback(GLFWwindow* window, int entered) { printf("%08x at %0.3f: Cursor %s window\n", counter++, glfwGetTime(), entered ? "entered" : "left"); } static void scroll_callback(GLFWwindow* window, double x, double y) { printf("%08x at %0.3f: Scroll: %0.3f %0.3f\n", counter++, glfwGetTime(), x, y); } static void key_callback(GLFWwindow* window, int key, int action) { const char* name = get_key_name(key); printf("%08x at %0.3f: Key 0x%04x", counter++, glfwGetTime(), key); if (name) printf(" (%s) was %s\n", name, get_action_name(action)); else printf(" was %s\n", get_action_name(action)); if (action != GLFW_PRESS) return; switch (key) { case GLFW_KEY_C: { closeable = !closeable; printf("(( closing %s ))\n", closeable ? "enabled" : "disabled"); break; } } } static void char_callback(GLFWwindow* window, unsigned int character) { printf("%08x at %0.3f: Character 0x%08x (%s) input\n", counter++, glfwGetTime(), character, get_character_string(character)); } void monitor_callback(GLFWmonitor* monitor, int event) { if (event == GLFW_CONNECTED) { int x, y, widthMM, heightMM; GLFWvidmode mode = glfwGetVideoMode(monitor); glfwGetMonitorPos(monitor, &x, &y); glfwGetMonitorPhysicalSize(monitor, &widthMM, &heightMM); printf("%08x at %0.3f: Monitor %s (%ix%i at %ix%i, %ix%i mm) was connected\n", counter++, glfwGetTime(), glfwGetMonitorName(monitor), mode.width, mode.height, x, y, widthMM, heightMM); } else { printf("%08x at %0.3f: Monitor %s was disconnected\n", counter++, glfwGetTime(), glfwGetMonitorName(monitor)); } } int main(void) { GLFWwindow* window; int width, height; setlocale(LC_ALL, ""); glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); printf("Library initialized\n"); window = glfwCreateWindow(640, 480, "Event Linter", NULL, NULL); if (!window) { glfwTerminate(); exit(EXIT_FAILURE); } printf("Window opened\n"); glfwSetMonitorCallback(monitor_callback); glfwSetWindowPosCallback(window, window_pos_callback); glfwSetWindowSizeCallback(window, window_size_callback); glfwSetWindowCloseCallback(window, window_close_callback); glfwSetWindowRefreshCallback(window, window_refresh_callback); glfwSetWindowFocusCallback(window, window_focus_callback); glfwSetWindowIconifyCallback(window, window_iconify_callback); glfwSetMouseButtonCallback(window, mouse_button_callback); glfwSetCursorPosCallback(window, cursor_position_callback); glfwSetCursorEnterCallback(window, cursor_enter_callback); glfwSetScrollCallback(window, scroll_callback); glfwSetKeyCallback(window, key_callback); glfwSetCharCallback(window, char_callback); glfwMakeContextCurrent(window); glfwSwapInterval(1); glfwGetWindowSize(window, &width, &height); printf("Window size should be %ix%i\n", width, height); printf("Main loop starting\n"); while (!glfwWindowShouldClose(window)) glfwWaitEvents(); glfwTerminate(); exit(EXIT_SUCCESS); }