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Add IME test code
This fix is based on `tests/ime.c` of shibukawa's fix:
https://github.com/glfw/glfw/pull/658
d36a164423
I simplified and restructured it entirely.
This commit is contained in:
Daijiro Fukuda
parent
e2e88ef8aa
commit
0d8627121c
@ -28,6 +28,7 @@ add_executable(iconify iconify.c ${GETOPT} ${GLAD_GL})
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add_executable(monitors monitors.c ${GETOPT} ${GLAD_GL})
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add_executable(reopen reopen.c ${GLAD_GL})
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add_executable(cursor cursor.c ${GLAD_GL})
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add_executable(ime ime.c ${GETOPT} ${GLAD_GL})
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add_executable(empty WIN32 MACOSX_BUNDLE empty.c ${TINYCTHREAD} ${GLAD_GL})
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add_executable(gamma WIN32 MACOSX_BUNDLE gamma.c ${GLAD_GL})
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@ -51,7 +52,7 @@ endif()
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set(GUI_ONLY_BINARIES empty gamma icon inputlag joysticks tearing threads
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timeout title triangle-vulkan window)
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set(CONSOLE_BINARIES allocator clipboard events msaa glfwinfo iconify monitors
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reopen cursor)
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reopen cursor ime)
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set_target_properties(${GUI_ONLY_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
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C_STANDARD 99
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217
tests/ime.c
Normal file
217
tests/ime.c
Normal file
@ -0,0 +1,217 @@
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//========================================================================
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// IME test
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// Copyright (c) Daijiro Fukuda <fukuda@clear-code.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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//
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// This test hooks IME callbacks.
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// Left-click clears preedit and toggles IME status.
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// Right-click updates preedit cursor position to current cursor position.
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//
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//========================================================================
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#define GLAD_GL_IMPLEMENTATION
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#include <glad/gl.h>
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#define GLFW_INCLUDE_NONE
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#include <GLFW/glfw3.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "getopt.h"
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void usage(void)
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{
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printf("Usage: inputlag [-h] [-f]\n");
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printf("Options:\n");
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printf(" -f create full screen window\n");
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printf(" -h show this help\n");
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}
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static size_t encode_utf8(char* s, unsigned int ch)
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{
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size_t count = 0;
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if (ch < 0x80)
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s[count++] = (char) ch;
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else if (ch < 0x800)
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{
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s[count++] = (ch >> 6) | 0xc0;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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else if (ch < 0x10000)
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{
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s[count++] = (ch >> 12) | 0xe0;
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s[count++] = ((ch >> 6) & 0x3f) | 0x80;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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else if (ch < 0x110000)
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{
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s[count++] = (ch >> 18) | 0xf0;
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s[count++] = ((ch >> 12) & 0x3f) | 0x80;
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s[count++] = ((ch >> 6) & 0x3f) | 0x80;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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return count;
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}
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static void error_callback(int error, const char* description)
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{
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fprintf(stderr, "Error: %s\n", description);
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}
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static void mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
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{
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if (action == GLFW_PRESS) {
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if (button == GLFW_MOUSE_BUTTON_LEFT) {
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int currentIMEstatus = glfwGetInputMode(window, GLFW_IME);
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glfwSetInputMode(window, GLFW_IME, !currentIMEstatus);
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glfwResetPreeditText(window);
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printf("Reset preedit text and IME status -> %s\n", currentIMEstatus ? "OFF" : "ON");
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} else if (button == GLFW_MOUSE_BUTTON_RIGHT) {
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int preX, preY;
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double curX, curY;
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glfwGetPreeditCursorPos(window, &preX, &preY, NULL);
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glfwGetCursorPos(window, &curX, &curY);
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glfwSetPreeditCursorPos(window, curX, curY, 20);
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printf("Move preedit text cursor position (%d, %d) -> (%d, %d)\n",
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preX, preY, (int)curX, (int)curY);
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}
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}
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}
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static void char_callback(GLFWwindow* window, unsigned int codepoint)
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{
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char string[5] = "";
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encode_utf8(string, codepoint);
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printf("Character 0x%08x (%s) input\n", codepoint, string);
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}
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static void preedit_callback(GLFWwindow* window, int strLength, unsigned int* string, int blockLength, int* blocks, int focusedBlock) {
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int i, blockIndex = -1, blockCount = 0;
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int width, height;
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char encoded[5] = "";
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printf("Preedit text ");
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if (strLength == 0 || blockLength == 0) {
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printf("(empty)\n");
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} else {
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for (i = 0; i < strLength; i++) {
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if (blockCount == 0) {
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if (blockIndex == focusedBlock) {
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printf("]");
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}
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blockIndex++;
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blockCount = blocks[blockIndex];
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printf("\n block %d: ", blockIndex);
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if (blockIndex == focusedBlock) {
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printf("[");
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}
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}
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encode_utf8(encoded, string[i]);
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printf("%s", encoded);
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blockCount--;
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}
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if (blockIndex == focusedBlock) {
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printf("]");
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}
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printf("\n");
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}
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}
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static void ime_callback(GLFWwindow* window) {
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int currentIMEstatus = glfwGetInputMode(window, GLFW_IME);
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printf("IME switched: %s\n", currentIMEstatus ? "ON" : "OFF");
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}
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int main(int argc, char** argv)
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{
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int ch, width, height;
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int fullscreen = GLFW_FALSE;
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GLFWmonitor* monitor = NULL;
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GLFWwindow* window;
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while ((ch = getopt(argc, argv, "fh")) != -1)
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{
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switch (ch)
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{
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case 'h':
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usage();
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exit(EXIT_SUCCESS);
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case 'f':
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fullscreen = GLFW_TRUE;
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break;
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}
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}
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glfwSetErrorCallback(error_callback);
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if (!glfwInit())
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exit(EXIT_FAILURE);
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if (fullscreen)
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{
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const GLFWvidmode* mode;
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monitor = glfwGetPrimaryMonitor();
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mode = glfwGetVideoMode(monitor);
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width = mode->width;
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height = mode->height;
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}
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else
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{
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width = 640;
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height = 480;
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}
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window = glfwCreateWindow(width, height, "IME test", monitor, NULL);
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if (!window)
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{
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glfwSetMouseButtonCallback(window, mouse_button_callback);
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glfwSetCharCallback(window, char_callback);
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glfwSetPreeditCallback(window, preedit_callback);
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glfwSetIMEStatusCallback(window, ime_callback);
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glfwMakeContextCurrent(window);
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gladLoadGL(glfwGetProcAddress);
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glfwSwapInterval(1);
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while (!glfwWindowShouldClose(window))
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
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glfwWaitEvents();
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// Workaround for an issue with msvcrt and mintty
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fflush(stdout);
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}
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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