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glfw/tests/window.c
Camilla Löwy 7bdcdf435a Cleanup
2024-02-19 14:21:48 +01:00

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//========================================================================
// 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);
}
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);
}
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