| //======================================================================== |
| // Cursor input bug test |
| // 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 test came about as the result of bugs #1262764, #1726540 and |
| // #1726592, all reported by the user peterpp, hence the name |
| // |
| // The utility of this test outside of these bugs is uncertain |
| // |
| //======================================================================== |
| |
| #include <GL/glfw3.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| static GLboolean reopen = GL_FALSE; |
| static double cursor_x; |
| static double cursor_y; |
| |
| static void toggle_cursor(GLFWwindow* window) |
| { |
| if (glfwGetInputMode(window, GLFW_CURSOR_MODE) == GLFW_CURSOR_CAPTURED) |
| { |
| printf("Released cursor\n"); |
| glfwSetInputMode(window, GLFW_CURSOR_MODE, GLFW_CURSOR_NORMAL); |
| } |
| else |
| { |
| printf("Captured cursor\n"); |
| glfwSetInputMode(window, GLFW_CURSOR_MODE, GLFW_CURSOR_CAPTURED); |
| } |
| } |
| |
| static void error_callback(int error, const char* description) |
| { |
| fprintf(stderr, "Error: %s\n", description); |
| } |
| |
| static void cursor_position_callback(GLFWwindow* window, double x, double y) |
| { |
| printf("Cursor moved to: %f %f (%f %f)\n", x, y, x - cursor_x, y - cursor_y); |
| cursor_x = x; |
| cursor_y = y; |
| } |
| |
| static void key_callback(GLFWwindow* window, int key, int action, int mods) |
| { |
| switch (key) |
| { |
| case GLFW_KEY_SPACE: |
| { |
| if (action == GLFW_PRESS) |
| toggle_cursor(window); |
| |
| break; |
| } |
| |
| case GLFW_KEY_R: |
| { |
| if (action == GLFW_PRESS) |
| reopen = GL_TRUE; |
| |
| break; |
| } |
| } |
| } |
| |
| static void window_size_callback(GLFWwindow* window, int width, int height) |
| { |
| glViewport(0, 0, width, height); |
| } |
| |
| static GLFWwindow* open_window(void) |
| { |
| GLFWwindow* window = glfwCreateWindow(640, 480, "Peter Detector", NULL, NULL); |
| if (!window) |
| return NULL; |
| |
| glfwMakeContextCurrent(window); |
| glfwSwapInterval(1); |
| |
| glfwGetCursorPos(window, &cursor_x, &cursor_y); |
| printf("Cursor position: %f %f\n", cursor_x, cursor_y); |
| |
| glfwSetWindowSizeCallback(window, window_size_callback); |
| glfwSetCursorPosCallback(window, cursor_position_callback); |
| glfwSetKeyCallback(window, key_callback); |
| |
| return window; |
| } |
| |
| int main(void) |
| { |
| GLFWwindow* window; |
| |
| glfwSetErrorCallback(error_callback); |
| |
| if (!glfwInit()) |
| exit(EXIT_FAILURE); |
| |
| window = open_window(); |
| if (!window) |
| { |
| glfwTerminate(); |
| exit(EXIT_FAILURE); |
| } |
| |
| glClearColor(0.f, 0.f, 0.f, 0.f); |
| |
| while (!glfwWindowShouldClose(window)) |
| { |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| glfwSwapBuffers(window); |
| glfwWaitEvents(); |
| |
| if (reopen) |
| { |
| glfwDestroyWindow(window); |
| window = open_window(); |
| if (!window) |
| { |
| glfwTerminate(); |
| exit(EXIT_FAILURE); |
| } |
| |
| reopen = GL_FALSE; |
| } |
| } |
| |
| glfwTerminate(); |
| exit(EXIT_SUCCESS); |
| } |
| |