418 lines
17 KiB
C
418 lines
17 KiB
C
//========================================================================
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// Window properties test
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// Copyright (c) Camilla Löwy <elmindreda@glfw.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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#include <glad/gl.h>
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#define GLFW_INCLUDE_NONE
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#include <GLFW/glfw3.h>
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#include <stdarg.h>
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#define NK_IMPLEMENTATION
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#define NK_INCLUDE_FIXED_TYPES
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#define NK_INCLUDE_FONT_BAKING
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#define NK_INCLUDE_DEFAULT_FONT
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#define NK_INCLUDE_DEFAULT_ALLOCATOR
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#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
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#define NK_INCLUDE_STANDARD_VARARGS
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#define NK_BUTTON_TRIGGER_ON_RELEASE
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#include <nuklear.h>
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#define NK_GLFW_GL2_IMPLEMENTATION
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#include <nuklear_glfw_gl2.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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int main(int argc, char** argv)
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{
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int windowed_x, windowed_y, windowed_width, windowed_height;
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int last_xpos = INT_MIN, last_ypos = INT_MIN;
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int last_width = INT_MIN, last_height = INT_MIN;
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int limit_aspect_ratio = false, aspect_numer = 1, aspect_denom = 1;
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int limit_min_size = false, min_width = 400, min_height = 400;
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int limit_max_size = false, max_width = 400, max_height = 400;
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char width_buffer[10] = "", height_buffer[10] = "";
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char xpos_buffer[10] = "", ypos_buffer[10] = "";
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char numer_buffer[10] = "", denom_buffer[10] = "";
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char min_width_buffer[10] = "", min_height_buffer[10] = "";
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char max_width_buffer[10] = "", max_height_buffer[10] = "";
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int may_close = true;
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if (!glfwInit())
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exit(EXIT_FAILURE);
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glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);
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glfwWindowHint(GLFW_WIN32_KEYBOARD_MENU, GLFW_TRUE);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
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GLFWwindow* window = glfwCreateWindow(600, 600, "Window Features", NULL, NULL);
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if (!window)
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{
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glfwMakeContextCurrent(window);
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gladLoadGL(glfwGetProcAddress);
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glfwSwapInterval(0);
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bool position_supported = true;
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glfwGetError(NULL);
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glfwGetWindowPos(window, &last_xpos, &last_ypos);
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sprintf(xpos_buffer, "%i", last_xpos);
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sprintf(ypos_buffer, "%i", last_ypos);
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if (glfwGetError(NULL) == GLFW_FEATURE_UNAVAILABLE)
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position_supported = false;
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glfwGetWindowSize(window, &last_width, &last_height);
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sprintf(width_buffer, "%i", last_width);
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sprintf(height_buffer, "%i", last_height);
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sprintf(numer_buffer, "%i", aspect_numer);
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sprintf(denom_buffer, "%i", aspect_denom);
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sprintf(min_width_buffer, "%i", min_width);
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sprintf(min_height_buffer, "%i", min_height);
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sprintf(max_width_buffer, "%i", max_width);
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sprintf(max_height_buffer, "%i", max_height);
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struct nk_context* nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
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struct nk_font_atlas* atlas;
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nk_glfw3_font_stash_begin(&atlas);
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nk_glfw3_font_stash_end();
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while (!(may_close && glfwWindowShouldClose(window)))
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{
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int width, height;
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glfwGetWindowSize(window, &width, &height);
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struct nk_rect area = nk_rect(0.f, 0.f, (float) width, (float) height);
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nk_window_set_bounds(nk, "main", area);
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nk_glfw3_new_frame();
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if (nk_begin(nk, "main", area, 0))
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{
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nk_layout_row_dynamic(nk, 30, 4);
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if (nk_button_label(nk, "Toggle Fullscreen"))
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{
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if (glfwGetWindowMonitor(window))
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{
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glfwSetWindowMonitor(window, NULL,
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windowed_x, windowed_y,
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windowed_width, windowed_height, 0);
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}
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else
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{
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GLFWmonitor* monitor = glfwGetPrimaryMonitor();
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const GLFWvidmode* mode = glfwGetVideoMode(monitor);
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glfwGetWindowPos(window, &windowed_x, &windowed_y);
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glfwGetWindowSize(window, &windowed_width, &windowed_height);
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glfwSetWindowMonitor(window, monitor,
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0, 0, mode->width, mode->height,
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mode->refreshRate);
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}
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}
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if (nk_button_label(nk, "Maximize"))
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glfwMaximizeWindow(window);
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if (nk_button_label(nk, "Iconify"))
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glfwIconifyWindow(window);
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if (nk_button_label(nk, "Restore"))
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glfwRestoreWindow(window);
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nk_layout_row_dynamic(nk, 30, 1);
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if (glfwGetWindowAttrib(window, GLFW_MOUSE_PASSTHROUGH))
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{
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nk_label(nk, "Press H to disable mouse passthrough", NK_TEXT_CENTERED);
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if (glfwGetKey(window, GLFW_KEY_H))
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glfwSetWindowAttrib(window, GLFW_MOUSE_PASSTHROUGH, false);
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}
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nk_label(nk, "Press Enter in a text field to set value", NK_TEXT_CENTERED);
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nk_flags events;
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const nk_flags flags = NK_EDIT_FIELD |
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NK_EDIT_SIG_ENTER |
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NK_EDIT_GOTO_END_ON_ACTIVATE;
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if (position_supported)
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{
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int xpos, ypos;
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glfwGetWindowPos(window, &xpos, &ypos);
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nk_layout_row_dynamic(nk, 30, 3);
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nk_label(nk, "Position", NK_TEXT_LEFT);
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events = nk_edit_string_zero_terminated(nk, flags, xpos_buffer,
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sizeof(xpos_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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xpos = atoi(xpos_buffer);
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glfwSetWindowPos(window, xpos, ypos);
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}
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else if (xpos != last_xpos || (events & NK_EDIT_DEACTIVATED))
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sprintf(xpos_buffer, "%i", xpos);
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events = nk_edit_string_zero_terminated(nk, flags, ypos_buffer,
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sizeof(ypos_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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ypos = atoi(ypos_buffer);
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glfwSetWindowPos(window, xpos, ypos);
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}
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else if (ypos != last_ypos || (events & NK_EDIT_DEACTIVATED))
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sprintf(ypos_buffer, "%i", ypos);
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last_xpos = xpos;
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last_ypos = ypos;
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}
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else
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nk_label(nk, "Position not supported", NK_TEXT_LEFT);
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nk_layout_row_dynamic(nk, 30, 3);
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nk_label(nk, "Size", NK_TEXT_LEFT);
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events = nk_edit_string_zero_terminated(nk, flags, width_buffer,
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sizeof(width_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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width = atoi(width_buffer);
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glfwSetWindowSize(window, width, height);
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}
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else if (width != last_width || (events & NK_EDIT_DEACTIVATED))
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sprintf(width_buffer, "%i", width);
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events = nk_edit_string_zero_terminated(nk, flags, height_buffer,
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sizeof(height_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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height = atoi(height_buffer);
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glfwSetWindowSize(window, width, height);
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}
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else if (height != last_height || (events & NK_EDIT_DEACTIVATED))
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sprintf(height_buffer, "%i", height);
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last_width = width;
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last_height = height;
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bool update_ratio_limit = false;
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if (nk_checkbox_label(nk, "Aspect Ratio", &limit_aspect_ratio))
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update_ratio_limit = true;
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events = nk_edit_string_zero_terminated(nk, flags, numer_buffer,
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sizeof(numer_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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aspect_numer = abs(atoi(numer_buffer));
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update_ratio_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(numer_buffer, "%i", aspect_numer);
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events = nk_edit_string_zero_terminated(nk, flags, denom_buffer,
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sizeof(denom_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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aspect_denom = abs(atoi(denom_buffer));
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update_ratio_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(denom_buffer, "%i", aspect_denom);
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if (update_ratio_limit)
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{
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if (limit_aspect_ratio)
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glfwSetWindowAspectRatio(window, aspect_numer, aspect_denom);
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else
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glfwSetWindowAspectRatio(window, GLFW_DONT_CARE, GLFW_DONT_CARE);
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}
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bool update_size_limit = false;
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if (nk_checkbox_label(nk, "Minimum Size", &limit_min_size))
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update_size_limit = true;
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events = nk_edit_string_zero_terminated(nk, flags, min_width_buffer,
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sizeof(min_width_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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min_width = abs(atoi(min_width_buffer));
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update_size_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(min_width_buffer, "%i", min_width);
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events = nk_edit_string_zero_terminated(nk, flags, min_height_buffer,
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sizeof(min_height_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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min_height = abs(atoi(min_height_buffer));
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update_size_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(min_height_buffer, "%i", min_height);
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if (nk_checkbox_label(nk, "Maximum Size", &limit_max_size))
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update_size_limit = true;
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events = nk_edit_string_zero_terminated(nk, flags, max_width_buffer,
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sizeof(max_width_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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max_width = abs(atoi(max_width_buffer));
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update_size_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(max_width_buffer, "%i", max_width);
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events = nk_edit_string_zero_terminated(nk, flags, max_height_buffer,
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sizeof(max_height_buffer),
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nk_filter_decimal);
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if (events & NK_EDIT_COMMITED)
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{
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max_height = abs(atoi(max_height_buffer));
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update_size_limit = true;
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}
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else if (events & NK_EDIT_DEACTIVATED)
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sprintf(max_height_buffer, "%i", max_height);
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if (update_size_limit)
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{
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glfwSetWindowSizeLimits(window,
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limit_min_size ? min_width : GLFW_DONT_CARE,
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limit_min_size ? min_height : GLFW_DONT_CARE,
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limit_max_size ? max_width : GLFW_DONT_CARE,
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limit_max_size ? max_height : GLFW_DONT_CARE);
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}
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int fb_width, fb_height;
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glfwGetFramebufferSize(window, &fb_width, &fb_height);
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nk_label(nk, "Framebuffer Size", NK_TEXT_LEFT);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", fb_width);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", fb_height);
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float xscale, yscale;
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glfwGetWindowContentScale(window, &xscale, &yscale);
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nk_label(nk, "Content Scale", NK_TEXT_LEFT);
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nk_labelf(nk, NK_TEXT_LEFT, "%f", xscale);
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nk_labelf(nk, NK_TEXT_LEFT, "%f", yscale);
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nk_layout_row_begin(nk, NK_DYNAMIC, 30, 5);
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int frame_left, frame_top, frame_right, frame_bottom;
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glfwGetWindowFrameSize(window, &frame_left, &frame_top, &frame_right, &frame_bottom);
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nk_layout_row_push(nk, 1.f / 3.f);
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nk_label(nk, "Frame Size:", NK_TEXT_LEFT);
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nk_layout_row_push(nk, 1.f / 6.f);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", frame_left);
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nk_layout_row_push(nk, 1.f / 6.f);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", frame_top);
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nk_layout_row_push(nk, 1.f / 6.f);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", frame_right);
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nk_layout_row_push(nk, 1.f / 6.f);
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nk_labelf(nk, NK_TEXT_LEFT, "%i", frame_bottom);
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nk_layout_row_end(nk);
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nk_layout_row_begin(nk, NK_DYNAMIC, 30, 2);
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float opacity = glfwGetWindowOpacity(window);
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nk_layout_row_push(nk, 1.f / 3.f);
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nk_labelf(nk, NK_TEXT_LEFT, "Opacity: %0.3f", opacity);
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nk_layout_row_push(nk, 2.f / 3.f);
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if (nk_slider_float(nk, 0.f, &opacity, 1.f, 0.001f))
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glfwSetWindowOpacity(window, opacity);
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nk_layout_row_end(nk);
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nk_layout_row_begin(nk, NK_DYNAMIC, 30, 2);
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int should_close = glfwWindowShouldClose(window);
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nk_layout_row_push(nk, 1.f / 3.f);
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if (nk_checkbox_label(nk, "Should Close", &should_close))
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glfwSetWindowShouldClose(window, should_close);
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nk_layout_row_push(nk, 2.f / 3.f);
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nk_checkbox_label(nk, "May Close", &may_close);
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nk_layout_row_end(nk);
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nk_layout_row_dynamic(nk, 30, 1);
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nk_label(nk, "Attributes", NK_TEXT_CENTERED);
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nk_layout_row_dynamic(nk, 30, width > 200 ? width / 200 : 1);
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int decorated = glfwGetWindowAttrib(window, GLFW_DECORATED);
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if (nk_checkbox_label(nk, "Decorated", &decorated))
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glfwSetWindowAttrib(window, GLFW_DECORATED, decorated);
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int resizable = glfwGetWindowAttrib(window, GLFW_RESIZABLE);
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if (nk_checkbox_label(nk, "Resizable", &resizable))
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glfwSetWindowAttrib(window, GLFW_RESIZABLE, resizable);
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int floating = glfwGetWindowAttrib(window, GLFW_FLOATING);
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if (nk_checkbox_label(nk, "Floating", &floating))
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glfwSetWindowAttrib(window, GLFW_FLOATING, floating);
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int passthrough = glfwGetWindowAttrib(window, GLFW_MOUSE_PASSTHROUGH);
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if (nk_checkbox_label(nk, "Mouse Passthrough", &passthrough))
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glfwSetWindowAttrib(window, GLFW_MOUSE_PASSTHROUGH, passthrough);
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int auto_iconify = glfwGetWindowAttrib(window, GLFW_AUTO_ICONIFY);
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if (nk_checkbox_label(nk, "Auto Iconify", &auto_iconify))
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glfwSetWindowAttrib(window, GLFW_AUTO_ICONIFY, auto_iconify);
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nk_value_bool(nk, "Focused", glfwGetWindowAttrib(window, GLFW_FOCUSED));
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nk_value_bool(nk, "Hovered", glfwGetWindowAttrib(window, GLFW_HOVERED));
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nk_value_bool(nk, "Visible", glfwGetWindowAttrib(window, GLFW_VISIBLE));
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nk_value_bool(nk, "Iconified", glfwGetWindowAttrib(window, GLFW_ICONIFIED));
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nk_value_bool(nk, "Maximized", glfwGetWindowAttrib(window, GLFW_MAXIMIZED));
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}
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nk_end(nk);
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glClear(GL_COLOR_BUFFER_BIT);
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nk_glfw3_render(NK_ANTI_ALIASING_ON);
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glfwSwapBuffers(window);
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glfwWaitEvents();
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}
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nk_glfw3_shutdown();
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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