glfw/tests/clipboard.c

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