glfw/tests/iconify.c

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//========================================================================
// Iconify/restore test program
// 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 program is used to test the iconify/restore functionality for
// both fullscreen and windowed mode windows
//
//========================================================================
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#include <GL/glfw3.h>
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#include <stdio.h>
#include <stdlib.h>
#include "getopt.h"
static GLboolean closed = GL_FALSE;
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static void usage(void)
{
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printf("Usage: iconify [-h] [-f]\n");
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}
static int window_close_callback(GLFWwindow window)
{
closed = GL_TRUE;
return GL_FALSE;
}
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static void key_callback(GLFWwindow window, int key, int action)
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{
printf("%0.2f Key %s\n",
glfwGetTime(),
action == GLFW_PRESS ? "pressed" : "released");
if (action != GLFW_PRESS)
return;
switch (key)
{
case GLFW_KEY_SPACE:
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glfwIconifyWindow(window);
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break;
case GLFW_KEY_ESCAPE:
closed = GL_TRUE;
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break;
}
}
static void window_size_callback(GLFWwindow window, int width, int height)
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{
printf("%0.2f Window resized to %ix%i\n", glfwGetTime(), width, height);
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glViewport(0, 0, width, height);
}
static void window_focus_callback(GLFWwindow window, int activated)
{
printf("%0.2f Window %s\n",
glfwGetTime(),
activated ? "activated" : "deactivated");
}
static void window_iconify_callback(GLFWwindow window, int iconified)
{
printf("%0.2f Window %s\n",
glfwGetTime(),
iconified ? "iconified" : "restored");
}
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int main(int argc, char** argv)
{
int width, height, ch;
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int mode = GLFW_WINDOWED;
GLFWwindow window;
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while ((ch = getopt(argc, argv, "fh")) != -1)
{
switch (ch)
{
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'f':
mode = GLFW_FULLSCREEN;
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
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if (!glfwInit())
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{
fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
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exit(EXIT_FAILURE);
}
if (mode == GLFW_FULLSCREEN)
{
GLFWvidmode desktop_mode;
glfwGetDesktopMode(&desktop_mode);
width = desktop_mode.width;
height = desktop_mode.height;
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}
else
{
width = 0;
height = 0;
}
window = glfwCreateWindow(width, height, mode, "Iconify", NULL);
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if (!window)
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{
glfwTerminate();
fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
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exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
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glfwSwapInterval(1);
glfwSetKeyCallback(window, key_callback);
glfwSetWindowSizeCallback(window, window_size_callback);
glfwSetWindowCloseCallback(window, window_close_callback);
glfwSetWindowFocusCallback(window, window_focus_callback);
glfwSetWindowIconifyCallback(window, window_iconify_callback);
printf("Window is %s and %s\n",
glfwGetWindowParam(window, GLFW_ICONIFIED) ? "iconified" : "restored",
glfwGetWindowParam(window, GLFW_ACTIVE) ? "active" : "inactive");
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glEnable(GL_SCISSOR_TEST);
while (!closed)
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{
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glfwGetWindowSize(window, &width, &height);
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glScissor(0, 0, width, height);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
glScissor(0, 0, 640, 480);
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
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glfwPollEvents();
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}
glfwTerminate();
exit(EXIT_SUCCESS);
}