| //======================================================================== |
| // Window properties test |
| // Copyright (c) Camilla Löwy <elmindreda@glfw.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. |
| // |
| //======================================================================== |
| |
| #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[12] = "", height_buffer[12] = ""; |
| char xpos_buffer[12] = "", ypos_buffer[12] = ""; |
| char numer_buffer[12] = "", denom_buffer[12] = ""; |
| char min_width_buffer[12] = "", min_height_buffer[12] = ""; |
| char max_width_buffer[12] = "", max_height_buffer[12] = ""; |
| int may_close = true; |
| char window_title[64] = ""; |
| |
| 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, 660, "Window Features", NULL, NULL); |
| if (!window) |
| { |
| glfwTerminate(); |
| exit(EXIT_FAILURE); |
| } |
| glfwSetInputMode(window, GLFW_UNLIMITED_MOUSE_BUTTONS, GLFW_TRUE); |
| |
| 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(); |
| |
| strncpy(window_title, glfwGetWindowTitle(window), sizeof(window_title)); |
| |
| 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 (glfwGetWindowMonitor(window)) |
| { |
| if (nk_button_label(nk, "Make Windowed")) |
| { |
| glfwSetWindowMonitor(window, NULL, |
| windowed_x, windowed_y, |
| windowed_width, windowed_height, 0); |
| } |
| } |
| else |
| { |
| if (nk_button_label(nk, "Make Fullscreen")) |
| { |
| 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, 2); |
| |
| if (nk_button_label(nk, "Hide (for 3s)")) |
| { |
| glfwHideWindow(window); |
| |
| const double time = glfwGetTime() + 3.0; |
| while (glfwGetTime() < time) |
| glfwWaitEventsTimeout(1.0); |
| |
| glfwShowWindow(window); |
| } |
| if (nk_button_label(nk, "Request Attention (after 3s)")) |
| { |
| glfwIconifyWindow(window); |
| |
| const double time = glfwGetTime() + 3.0; |
| while (glfwGetTime() < time) |
| glfwWaitEventsTimeout(1.0); |
| |
| glfwRequestWindowAttention(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; |
| |
| nk_layout_row_begin(nk, NK_DYNAMIC, 30, 2); |
| nk_layout_row_push(nk, 1.f / 3.f); |
| nk_label(nk, "Title", NK_TEXT_LEFT); |
| nk_layout_row_push(nk, 2.f / 3.f); |
| events = nk_edit_string_zero_terminated(nk, flags, window_title, |
| sizeof(window_title), NULL); |
| if (events & NK_EDIT_COMMITED) |
| glfwSetWindowTitle(window, window_title); |
| nk_layout_row_end(nk); |
| |
| 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, "Platform does not support window position", 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); |
| } |
| |
