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
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// both full screen and windowed mode windows
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//
//========================================================================
#include <GLFW/glfw3.h>
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#include <stdio.h>
#include <stdlib.h>
#include "getopt.h"
static void usage(void)
{
printf("Usage: iconify [-h] [-f [-a] [-n]]\n");
printf("Options:\n");
printf(" -a create windows for all monitors\n");
printf(" -f create full screen window(s)\n");
printf(" -h show this help\n");
printf(" -n no automatic iconification of full screen windows\n");
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}
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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{
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:
glfwSetWindowShouldClose(window, 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);
}
static void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
printf("%0.2f Framebuffer 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 focused)
{
printf("%0.2f Window %s\n",
glfwGetTime(),
focused ? "focused" : "defocused");
}
static void window_iconify_callback(GLFWwindow* window, int iconified)
{
printf("%0.2f Window %s\n",
glfwGetTime(),
iconified ? "iconified" : "restored");
}
static void window_refresh_callback(GLFWwindow* window)
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{
int width, height;
printf("%0.2f Window refresh\n", glfwGetTime());
glfwGetFramebufferSize(window, &width, &height);
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glfwMakeContextCurrent(window);
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glEnable(GL_SCISSOR_TEST);
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glScissor(0, 0, width, height);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
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glScissor(0, 0, 640, 480);
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
}
static GLFWwindow* create_window(GLFWmonitor* monitor)
{
int width, height;
GLFWwindow* window;
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if (monitor)
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{
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
glfwWindowHint(GLFW_REFRESH_RATE, mode->refreshRate);
glfwWindowHint(GLFW_RED_BITS, mode->redBits);
glfwWindowHint(GLFW_GREEN_BITS, mode->greenBits);
glfwWindowHint(GLFW_BLUE_BITS, mode->blueBits);
width = mode->width;
height = mode->height;
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}
else
{
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width = 640;
height = 480;
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}
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window = glfwCreateWindow(width, height, "Iconify", monitor, NULL);
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if (!window)
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{
glfwTerminate();
exit(EXIT_FAILURE);
}
return window;
}
int main(int argc, char** argv)
{
int ch, i, window_count;
GLboolean auto_iconify = GL_TRUE, fullscreen = GL_FALSE, all_monitors = GL_FALSE;
GLFWwindow** windows;
while ((ch = getopt(argc, argv, "afhn")) != -1)
{
switch (ch)
{
case 'a':
all_monitors = GL_TRUE;
break;
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case 'h':
usage();
exit(EXIT_SUCCESS);
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case 'f':
fullscreen = GL_TRUE;
break;
case 'n':
auto_iconify = GL_FALSE;
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_AUTO_ICONIFY, auto_iconify);
if (fullscreen && all_monitors)
{
int monitor_count;
GLFWmonitor** monitors = glfwGetMonitors(&monitor_count);
window_count = monitor_count;
windows = calloc(window_count, sizeof(GLFWwindow*));
for (i = 0; i < monitor_count; i++)
{
windows[i] = create_window(monitors[i]);
if (!windows[i])
break;
}
}
else
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{
GLFWmonitor* monitor = NULL;
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if (fullscreen)
monitor = glfwGetPrimaryMonitor();
window_count = 1;
windows = calloc(window_count, sizeof(GLFWwindow*));
windows[0] = create_window(monitor);
}
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for (i = 0; i < window_count; i++)
{
glfwSetKeyCallback(windows[i], key_callback);
glfwSetFramebufferSizeCallback(windows[i], framebuffer_size_callback);
glfwSetWindowSizeCallback(windows[i], window_size_callback);
glfwSetWindowFocusCallback(windows[i], window_focus_callback);
glfwSetWindowIconifyCallback(windows[i], window_iconify_callback);
glfwSetWindowRefreshCallback(windows[i], window_refresh_callback);
window_refresh_callback(windows[i]);
printf("Window is %s and %s\n",
glfwGetWindowAttrib(windows[i], GLFW_ICONIFIED) ? "iconified" : "restored",
glfwGetWindowAttrib(windows[i], GLFW_FOCUSED) ? "focused" : "defocused");
}
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for (;;)
{
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glfwPollEvents();
for (i = 0; i < window_count; i++)
{
if (glfwWindowShouldClose(windows[i]))
break;
}
if (i < window_count)
break;
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// Workaround for an issue with msvcrt and mintty
fflush(stdout);
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}
glfwTerminate();
exit(EXIT_SUCCESS);
}