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 void usage(void)
{
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printf("Usage: iconify [-h] [-f]\n");
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}
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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:
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glfwCloseWindow(window);
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break;
}
}
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static void size_callback(GLFWwindow window, int width, int height)
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{
glViewport(0, 0, width, height);
}
int main(int argc, char** argv)
{
int width, height, ch;
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int mode = GLFW_WINDOWED;
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GLboolean active = -1, iconified = -1;
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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);
}
}
if (!glfwInit(NULL))
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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 mode;
glfwGetDesktopMode(&mode);
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width = mode.width;
height = mode.height;
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}
else
{
width = 0;
height = 0;
}
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window = glfwOpenWindow(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);
}
glfwSwapInterval(1);
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glfwSetKeyCallback(key_callback);
glfwSetWindowSizeCallback(size_callback);
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glEnable(GL_SCISSOR_TEST);
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while (glfwIsWindow(window))
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{
int width, height;
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if (iconified != glfwGetWindowParam(window, GLFW_ICONIFIED) ||
active != glfwGetWindowParam(window, GLFW_ACTIVE))
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{
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iconified = glfwGetWindowParam(window, GLFW_ICONIFIED);
active = glfwGetWindowParam(window, GLFW_ACTIVE);
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printf("%0.2f %s %s\n",
glfwGetTime(),
iconified ? "Iconified" : "Restored",
active ? "Active" : "Inactive");
}
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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();
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glfwPollEvents();
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}
glfwTerminate();
exit(EXIT_SUCCESS);
}