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