glfw/tests/title.c

//========================================================================
// UTF-8 window title test
// 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 sets a UTF-8 window title
//
//========================================================================

#include <GL/glfw3.h>

#include <stdio.h>
#include <stdlib.h>

static void window_size_callback(GLFWwindow window, int width, int height)
{
    glViewport(0, 0, width, height);
}

int main(void)
{
    GLFWwindow window;

    if (!glfwInit())
    {
        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
        exit(EXIT_FAILURE);
    }

    window = glfwCreateWindow(0, 0, GLFW_WINDOWED, "English 日本語 русский язык 官話", NULL);
    if (!window)
    {
        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));

        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    glfwSwapInterval(1);

    glfwSetWindowSizeCallback(window, window_size_callback);

    while (!glfwGetWindowParam(window, GLFW_CLOSE_REQUESTED))
    {
        glClear(GL_COLOR_BUFFER_BIT);
        glfwSwapBuffers(window);
        glfwWaitEvents();
    }

    glfwTerminate();
    exit(EXIT_SUCCESS);
}