c-project/libs/glfw-3.3.2/tests/clipboard.c

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2024-05-15 11:25:35 +02:00
//========================================================================
// Clipboard test program
// Copyright (c) Camilla Löwy <elmindreda@glfw.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 program is used to test the clipboard functionality.
//
//========================================================================
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <stdio.h>
#include <stdlib.h>
#include "getopt.h"
#if defined(__APPLE__)
#define MODIFIER GLFW_MOD_SUPER
#else
#define MODIFIER GLFW_MOD_CONTROL
#endif
static void usage(void)
{
printf("Usage: clipboard [-h]\n");
}
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (action != GLFW_PRESS)
return;
switch (key)
{
case GLFW_KEY_ESCAPE:
glfwSetWindowShouldClose(window, GLFW_TRUE);
break;
case GLFW_KEY_V:
if (mods == MODIFIER)
{
const char* string;
string = glfwGetClipboardString(NULL);
if (string)
printf("Clipboard contains \"%s\"\n", string);
else
printf("Clipboard does not contain a string\n");
}
break;
case GLFW_KEY_C:
if (mods == MODIFIER)
{
const char* string = "Hello GLFW World!";
glfwSetClipboardString(NULL, string);
printf("Setting clipboard to \"%s\"\n", string);
}
break;
}
}
int main(int argc, char** argv)
{
int ch;
GLFWwindow* window;
while ((ch = getopt(argc, argv, "h")) != -1)
{
switch (ch)
{
case 'h':
usage();
exit(EXIT_SUCCESS);
default:
usage();
exit(EXIT_FAILURE);
}
}
glfwSetErrorCallback(error_callback);
if (!glfwInit())
{
fprintf(stderr, "Failed to initialize GLFW\n");
exit(EXIT_FAILURE);
}
window = glfwCreateWindow(200, 200, "Clipboard Test", NULL, NULL);
if (!window)
{
glfwTerminate();
fprintf(stderr, "Failed to open GLFW window\n");
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
glfwSwapInterval(1);
glfwSetKeyCallback(window, key_callback);
glClearColor(0.5f, 0.5f, 0.5f, 0);
while (!glfwWindowShouldClose(window))
{
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
glfwWaitEvents();
}
glfwTerminate();
exit(EXIT_SUCCESS);
}