//======================================================================== // Event linter (event spewer) // Copyright (c) Camilla Löwy // // 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 #define GLFW_INCLUDE_NONE #include #include #include #include #include #include #include "getopt.h" // Event index static unsigned int counter = 0; typedef struct { GLFWwindow* window; int number; int closeable; } Slot; static void usage(void) { printf("Usage: events [-f] [-h] [-n WINDOWS]\n"); printf("Options:\n"); printf(" -f use full screen\n"); printf(" -h show this help\n"); printf(" -n the number of windows to create\n"); } 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 MULTIPLY"; 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 "UNKNOWN"; } } 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"; default: { static char name[16]; snprintf(name, sizeof(name), "%i", button); return name; } } } static const char* get_mods_name(int mods) { static char name[512]; if (mods == 0) return " no mods"; name[0] = '\0'; if (mods & GLFW_MOD_SHIFT) strcat(name, " shift"); if (mods & GLFW_MOD_CONTROL) strcat(name, " control"); if (mods & GLFW_MOD_ALT) strcat(name, " alt"); if (mods & GLFW_MOD_SUPER) strcat(name, " super"); if (mods & GLFW_MOD_CAPS_LOCK) strcat(name, " capslock-on"); if (mods & GLFW_MOD_NUM_LOCK) strcat(name, " numlock-on"); return name; } static size_t encode_utf8(char* s, unsigned int ch) { size_t count = 0; if (ch < 0x80) s[count++] = (char) ch; else if (ch < 0x800) { s[count++] = (ch >> 6) | 0xc0; s[count++] = (ch & 0x3f) | 0x80; } else if (ch < 0x10000) { s[count++] = (ch >> 12) | 0xe0; s[count++] = ((ch >> 6) & 0x3f) | 0x80; s[count++] = (ch & 0x3f) | 0x80; } else if (ch < 0x110000) { s[count++] = (ch >> 18) | 0xf0; s[count++] = ((ch >> 12) & 0x3f) | 0x80; s[count++] = ((ch >> 6) & 0x3f) | 0x80; s[count++] = (ch & 0x3f) | 0x80; } return count; } 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) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window position: %i %i\n", counter++, slot->number, glfwGetTime(), x, y); } static void window_size_callback(GLFWwindow* window, int width, int height) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window size: %i %i\n", counter++, slot->number, glfwGetTime(), width, height); } static void framebuffer_size_callback(GLFWwindow* window, int width, int height) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Framebuffer size: %i %i\n", counter++, slot->number, glfwGetTime(), width, height); } static void window_content_scale_callback(GLFWwindow* window, float xscale, float yscale) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window content scale: %0.3f %0.3f\n", counter++, slot->number, glfwGetTime(), xscale, yscale); } static void window_close_callback(GLFWwindow* window) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window close\n", counter++, slot->number, glfwGetTime()); if (!slot->closeable) { printf("(( closing is disabled, press %s to re-enable )\n", glfwGetKeyName(GLFW_KEY_C, 0)); } glfwSetWindowShouldClose(window, slot->closeable); } static void window_refresh_callback(GLFWwindow* window) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window refresh\n", counter++, slot->number, glfwGetTime()); glfwMakeContextCurrent(window); glClear(GL_COLOR_BUFFER_BIT); glfwSwapBuffers(window); } static void window_focus_callback(GLFWwindow* window, int focused) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window %s\n", counter++, slot->number, glfwGetTime(), focused ? "focused" : "defocused"); } static void window_iconify_callback(GLFWwindow* window, int iconified) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window was %s\n", counter++, slot->number, glfwGetTime(), iconified ? "iconified" : "uniconified"); } static void window_maximize_callback(GLFWwindow* window, int maximized) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Window was %s\n", counter++, slot->number, glfwGetTime(), maximized ? "maximized" : "unmaximized"); } static void mouse_button_callback(GLFWwindow* window, int button, int action, int mods) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Mouse button %i (%s) (with%s) was %s\n", counter++, slot->number, glfwGetTime(), button, get_button_name(button), get_mods_name(mods), get_action_name(action)); } static void cursor_position_callback(GLFWwindow* window, double x, double y) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Cursor position: %f %f\n", counter++, slot->number, glfwGetTime(), x, y); } static void cursor_enter_callback(GLFWwindow* window, int entered) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Cursor %s window\n", counter++, slot->number, glfwGetTime(), entered ? "entered" : "left"); } static void scroll_callback(GLFWwindow* window, double x, double y) { Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Scroll: %0.3f %0.3f\n", counter++, slot->number, glfwGetTime(), x, y); } static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) { Slot* slot = glfwGetWindowUserPointer(window); const char* name = glfwGetKeyName(key, scancode); if (name) { printf("%08x to %i at %0.3f: Key 0x%04x Scancode 0x%04x (%s) (%s) (with%s) was %s\n", counter++, slot->number, glfwGetTime(), key, scancode, get_key_name(key), name, get_mods_name(mods), get_action_name(action)); } else { printf("%08x to %i at %0.3f: Key 0x%04x Scancode 0x%04x (%s) (with%s) was %s\n", counter++, slot->number, glfwGetTime(), key, scancode, get_key_name(key), get_mods_name(mods), get_action_name(action)); } if (action != GLFW_PRESS) return; switch (key) { case GLFW_KEY_C: { slot->closeable = !slot->closeable; printf("(( closing %s ))\n", slot->closeable ? "enabled" : "disabled"); break; } case GLFW_KEY_L: { const int state = glfwGetInputMode(window, GLFW_LOCK_KEY_MODS); glfwSetInputMode(window, GLFW_LOCK_KEY_MODS, !state); printf("(( lock key mods %s ))\n", !state ? "enabled" : "disabled"); break; } } } static void char_callback(GLFWwindow* window, unsigned int codepoint) { Slot* slot = glfwGetWindowUserPointer(window); char string[5] = ""; encode_utf8(string, codepoint); printf("%08x to %i at %0.3f: Character 0x%08x (%s) input\n", counter++, slot->number, glfwGetTime(), codepoint, string); } static void drop_callback(GLFWwindow* window, int count, const char* paths[]) { int i; Slot* slot = glfwGetWindowUserPointer(window); printf("%08x to %i at %0.3f: Drop input\n", counter++, slot->number, glfwGetTime()); for (i = 0; i < count; i++) printf(" %i: \"%s\"\n", i, paths[i]); } static void monitor_callback(GLFWmonitor* monitor, int event) { if (event == GLFW_CONNECTED) { int x, y, widthMM, heightMM; const 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 if (event == GLFW_DISCONNECTED) { printf("%08x at %0.3f: Monitor %s was disconnected\n", counter++, glfwGetTime(), glfwGetMonitorName(monitor)); } } 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); if (glfwJoystickIsGamepad(jid)) { printf(" Joystick %i (%s) has a gamepad mapping (%s)\n", jid, glfwGetJoystickGUID(jid), glfwGetGamepadName(jid)); } else { printf(" Joystick %i (%s) has no gamepad mapping\n", jid, glfwGetJoystickGUID(jid)); } } else { printf("%08x at %0.3f: Joystick %i was disconnected\n", counter++, glfwGetTime(), jid); } } int main(int argc, char** argv) { Slot* slots; GLFWmonitor* monitor = NULL; int ch, i, width, height, count = 1; glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); printf("Library initialized\n"); glfwSetMonitorCallback(monitor_callback); glfwSetJoystickCallback(joystick_callback); while ((ch = getopt(argc, argv, "hfn:")) != -1) { switch (ch) { case 'h': usage(); exit(EXIT_SUCCESS); case 'f': monitor = glfwGetPrimaryMonitor(); break; case 'n': count = (int) strtoul(optarg, NULL, 10); break; default: usage(); exit(EXIT_FAILURE); } } if (monitor) { const GLFWvidmode* mode = glfwGetVideoMode(monitor); glfwWindowHint(GLFW_REFRESH_RATE, mode->refreshRate); glfwWindowHint(GLFW_RED_BITS, mode->redBits); glfwWindowHint(GLFW_GREEN_BITS, mode->greenBits); glfwWindowHint(GLFW_BLUE_BITS, mode->blueBits); width = mode->width; height = mode->height; } else { width = 640; height = 480; } slots = calloc(count, sizeof(Slot)); for (i = 0; i < count; i++) { char title[128]; slots[i].closeable = GLFW_TRUE; slots[i].number = i + 1; snprintf(title, sizeof(title), "Event Linter (Window %i)", slots[i].number); if (monitor) { printf("Creating full screen window %i (%ix%i on %s)\n", slots[i].number, width, height, glfwGetMonitorName(monitor)); } else { printf("Creating windowed mode window %i (%ix%i)\n", slots[i].number, width, height); } slots[i].window = glfwCreateWindow(width, height, title, monitor, NULL); if (!slots[i].window) { free(slots); glfwTerminate(); exit(EXIT_FAILURE); } glfwSetWindowUserPointer(slots[i].window, slots + i); glfwSetWindowPosCallback(slots[i].window, window_pos_callback); glfwSetWindowSizeCallback(slots[i].window, window_size_callback); glfwSetFramebufferSizeCallback(slots[i].window, framebuffer_size_callback); glfwSetWindowContentScaleCallback(slots[i].window, window_content_scale_callback); glfwSetWindowCloseCallback(slots[i].window, window_close_callback); glfwSetWindowRefreshCallback(slots[i].window, window_refresh_callback); glfwSetWindowFocusCallback(slots[i].window, window_focus_callback); glfwSetWindowIconifyCallback(slots[i].window, window_iconify_callback); glfwSetWindowMaximizeCallback(slots[i].window, window_maximize_callback); glfwSetMouseButtonCallback(slots[i].window, mouse_button_callback); glfwSetCursorPosCallback(slots[i].window, cursor_position_callback); glfwSetCursorEnterCallback(slots[i].window, cursor_enter_callback); glfwSetScrollCallback(slots[i].window, scroll_callback); glfwSetKeyCallback(slots[i].window, key_callback); glfwSetCharCallback(slots[i].window, char_callback); glfwSetDropCallback(slots[i].window, drop_callback); glfwMakeContextCurrent(slots[i].window); gladLoadGL(glfwGetProcAddress); glfwSwapInterval(1); } printf("Main loop starting\n"); for (;;) { for (i = 0; i < count; i++) { if (glfwWindowShouldClose(slots[i].window)) break; } if (i < count) break; glfwWaitEvents(); // Workaround for an issue with msvcrt and mintty fflush(stdout); } free(slots); glfwTerminate(); exit(EXIT_SUCCESS); }