142 строки
3.7 KiB
C
142 строки
3.7 KiB
C
//========================================================================
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// Cursor input bug test
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// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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//
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// This test came about as the result of bugs #1262764, #1726540 and
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// #1726592, all reported by the user peterpp, hence the name
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//
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// The utility of this test outside of these bugs is uncertain
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//
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//========================================================================
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#include <GL/glfw3.h>
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#include <stdio.h>
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#include <stdlib.h>
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static GLFWwindow window_handle = NULL;
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static int cursor_x;
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static int cursor_y;
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static GLboolean open_window(void);
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static void toggle_cursor(GLFWwindow window)
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{
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if (glfwGetInputMode(window, GLFW_CURSOR_MODE) == GLFW_CURSOR_CAPTURED)
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{
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printf("Released cursor\n");
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glfwSetInputMode(window, GLFW_CURSOR_MODE, GLFW_CURSOR_NORMAL);
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}
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else
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{
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printf("Captured cursor\n");
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glfwSetInputMode(window, GLFW_CURSOR_MODE, GLFW_CURSOR_CAPTURED);
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}
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}
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static void cursor_position_callback(GLFWwindow window, int x, int y)
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{
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printf("Cursor moved to: %i %i (%i %i)\n", x, y, x - cursor_x, y - cursor_y);
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cursor_x = x;
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cursor_y = y;
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}
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static void key_callback(GLFWwindow window, int key, int action)
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{
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switch (key)
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{
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case GLFW_KEY_SPACE:
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{
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if (action == GLFW_PRESS)
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toggle_cursor(window);
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break;
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}
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case GLFW_KEY_R:
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{
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if (action == GLFW_PRESS)
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{
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glfwCloseWindow(window);
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open_window();
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}
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break;
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}
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}
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}
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static void window_size_callback(GLFWwindow window, int width, int height)
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{
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glViewport(0, 0, width, height);
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}
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static GLboolean open_window(void)
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{
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window_handle = glfwOpenWindow(0, 0, GLFW_WINDOWED, "Peter Detector", NULL);
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if (!window_handle)
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return GL_FALSE;
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glfwGetCursorPos(window_handle, &cursor_x, &cursor_y);
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printf("Cursor position: %i %i\n", cursor_x, cursor_y);
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glfwSetWindowSizeCallback(window_size_callback);
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glfwSetCursorPosCallback(cursor_position_callback);
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glfwSetKeyCallback(key_callback);
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glfwSwapInterval(1);
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return GL_TRUE;
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}
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int main(void)
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{
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if (!glfwInit())
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{
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fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
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exit(EXIT_FAILURE);
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}
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if (!open_window())
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{
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glfwTerminate();
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fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
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exit(EXIT_FAILURE);
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}
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glClearColor(0.f, 0.f, 0.f, 0.f);
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while (glfwGetCurrentContext())
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers();
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glfwWaitEvents();
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}
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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