1 //========================================================================
2 // Clipboard test program
3 // Copyright (c) Camilla Löwy <elmindreda@glfw.org>
4 //
5 // This software is provided 'as-is', without any express or implied
6 // warranty. In no event will the authors be held liable for any damages
7 // arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it
11 // freely, subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented; you must not
14 // claim that you wrote the original software. If you use this software
15 // in a product, an acknowledgment in the product documentation would
16 // be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such, and must not
19 // be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source
22 // distribution.
23 //
24 //========================================================================
25 //
26 // This program is used to test the clipboard functionality.
27 //
28 //========================================================================
29
30 #define GLAD_GL_IMPLEMENTATION
31 #include <glad/gl.h>
32 #define GLFW_INCLUDE_NONE
33 #include <GLFW/glfw3.h>
34
35 #include <stdio.h>
36 #include <stdlib.h>
37
38 #include "getopt.h"
39
40 #if defined(__APPLE__)
41 #define MODIFIER GLFW_MOD_SUPER
42 #else
43 #define MODIFIER GLFW_MOD_CONTROL
44 #endif
45
usage(void)46 static void usage(void)
47 {
48 printf("Usage: clipboard [-h]\n");
49 }
50
error_callback(int error,const char * description)51 static void error_callback(int error, const char* description)
52 {
53 fprintf(stderr, "Error: %s\n", description);
54 }
55
key_callback(GLFWwindow * window,int key,int scancode,int action,int mods)56 static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
57 {
58 if (action != GLFW_PRESS)
59 return;
60
61 switch (key)
62 {
63 case GLFW_KEY_ESCAPE:
64 glfwSetWindowShouldClose(window, GLFW_TRUE);
65 break;
66
67 case GLFW_KEY_V:
68 if (mods == MODIFIER)
69 {
70 const char* string;
71
72 string = glfwGetClipboardString(NULL);
73 if (string)
74 printf("Clipboard contains \"%s\"\n", string);
75 else
76 printf("Clipboard does not contain a string\n");
77 }
78 break;
79
80 case GLFW_KEY_C:
81 if (mods == MODIFIER)
82 {
83 const char* string = "Hello GLFW World!";
84 glfwSetClipboardString(NULL, string);
85 printf("Setting clipboard to \"%s\"\n", string);
86 }
87 break;
88 }
89 }
90
main(int argc,char ** argv)91 int main(int argc, char** argv)
92 {
93 int ch;
94 GLFWwindow* window;
95
96 while ((ch = getopt(argc, argv, "h")) != -1)
97 {
98 switch (ch)
99 {
100 case 'h':
101 usage();
102 exit(EXIT_SUCCESS);
103
104 default:
105 usage();
106 exit(EXIT_FAILURE);
107 }
108 }
109
110 glfwSetErrorCallback(error_callback);
111
112 if (!glfwInit())
113 {
114 fprintf(stderr, "Failed to initialize GLFW\n");
115 exit(EXIT_FAILURE);
116 }
117
118 window = glfwCreateWindow(200, 200, "Clipboard Test", NULL, NULL);
119 if (!window)
120 {
121 glfwTerminate();
122
123 fprintf(stderr, "Failed to open GLFW window\n");
124 exit(EXIT_FAILURE);
125 }
126
127 glfwMakeContextCurrent(window);
128 gladLoadGL(glfwGetProcAddress);
129 glfwSwapInterval(1);
130
131 glfwSetKeyCallback(window, key_callback);
132
133 glClearColor(0.5f, 0.5f, 0.5f, 0);
134
135 while (!glfwWindowShouldClose(window))
136 {
137 glClear(GL_COLOR_BUFFER_BIT);
138
139 glfwSwapBuffers(window);
140 glfwWaitEvents();
141 }
142
143 glfwTerminate();
144 exit(EXIT_SUCCESS);
145 }
146
147