glfw/tests/events.c

383 lines
13 KiB
C

//========================================================================
// Event linter (event spewer)
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
//
// 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 <GL/glfw3.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <locale.h>
static GLboolean keyrepeat = 0;
static GLboolean systemkeys = 1;
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 "-";
case GLFW_KEY_EQUAL: return "=";
case GLFW_KEY_LEFT_SQUARE_BRACKET: return "[";
case GLFW_KEY_RIGHT_SQUARE_BRACKET: return "]";
case GLFW_KEY_BACKSLASH: return "\\";
case GLFW_KEY_SEMICOLON: return ";";
case GLFW_KEY_APOSTROPHE: return "'";
case GLFW_KEY_GRAVE_ACCENT: return "`";
case GLFW_KEY_COMMA: return ",";
case GLFW_KEY_PERIOD: return ".";
case GLFW_KEY_SLASH: return "/";
case GLFW_KEY_WORLD_1: return "world 1";
case GLFW_KEY_WORLD_2: return "world 2";
// Special keys
case GLFW_KEY_ESC: 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_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";
}
return NULL;
}
static const char* get_action_name(int action)
{
switch (action)
{
case GLFW_PRESS:
return "was pressed";
case GLFW_RELEASE:
return "was released";
}
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 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 1;
}
static void window_refresh_callback(GLFWwindow window)
{
printf("%08x at %0.3f: Window refresh\n", counter++, glfwGetTime());
}
static void window_focus_callback(GLFWwindow window, int activated)
{
printf("%08x at %0.3f: Window %s\n",
counter++,
glfwGetTime(),
activated ? "activated" : "deactivated");
}
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 mouse_position_callback(GLFWwindow window, int x, int y)
{
printf("%08x at %0.3f: Mouse position: %i %i\n", counter++, glfwGetTime(), x, y);
}
static void scroll_callback(GLFWwindow window, int x, int y)
{
printf("%08x at %0.3f: Scroll: %i %i\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_R:
{
keyrepeat = !keyrepeat;
if (keyrepeat)
glfwEnable(window, GLFW_KEY_REPEAT);
else
glfwDisable(window, GLFW_KEY_REPEAT);
printf("(( key repeat %s ))\n", keyrepeat ? "enabled" : "disabled");
break;
}
case GLFW_KEY_S:
{
systemkeys = !systemkeys;
if (systemkeys)
glfwEnable(window, GLFW_SYSTEM_KEYS);
else
glfwDisable(window, GLFW_SYSTEM_KEYS);
printf("(( system keys %s ))\n", systemkeys ? "enabled" : "disabled");
break;
}
}
}
static void char_callback(GLFWwindow window, int character)
{
printf("%08x at %0.3f: Character 0x%04x (%s) input\n",
counter++,
glfwGetTime(),
character,
get_character_string(character));
}
int main(void)
{
GLFWwindow window;
setlocale(LC_ALL, "");
if (!glfwInit())
{
fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
exit(1);
}
printf("Library initialized\n");
window = glfwOpenWindow(0, 0, GLFW_WINDOWED, "Event Linter", NULL);
if (!window)
{
glfwTerminate();
fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
exit(1);
}
printf("Window opened\n");
glfwSwapInterval(1);
glfwSetWindowSizeCallback(window_size_callback);
glfwSetWindowCloseCallback(window_close_callback);
glfwSetWindowRefreshCallback(window_refresh_callback);
glfwSetWindowFocusCallback(window_focus_callback);
glfwSetWindowIconifyCallback(window_iconify_callback);
glfwSetMouseButtonCallback(mouse_button_callback);
glfwSetMousePosCallback(mouse_position_callback);
glfwSetScrollCallback(scroll_callback);
glfwSetKeyCallback(key_callback);
glfwSetCharCallback(char_callback);
printf("Key repeat should be %s\n", keyrepeat ? "enabled" : "disabled");
printf("System keys should be %s\n", systemkeys ? "enabled" : "disabled");
printf("Main loop starting\n");
while (glfwIsWindow(window) == GL_TRUE)
{
glfwWaitEvents();
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers();
glfwPollEvents();
}
glfwTerminate();
exit(0);
}