feat(examples): core/basic_screen_manager & core/window_flags (#78)
* feat(examples): add `core/basic_screen_manager` * feat(examples): add WIP `core/window_flags` * fix(examples): get `core/window_flags` working correctly
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Daniel Hill
GitHub
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3 changed files with 493 additions and 0 deletions
311
examples/core/window_flags.zig
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311
examples/core/window_flags.zig
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//! # raylib-zig [core] example - window flags
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//!
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//! Example originally created with raylib-zig 5.0, last time updated with
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//! raylib-zig 5.0
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//!
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//! Example licensed under an unmodified zlib/libpng license, which is an
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//! OSI-certified, BSD-like license that allows static linking with closed
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//! source software
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//!
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//! Copyright (c) Nikolas Wipper 2024
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const rl = @import("raylib");
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const rlm = @import("raylib-math");
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const screen_width = 800;
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const screen_height = 450;
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pub fn main() anyerror!void {
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// Initialization
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// -------------------------------------------------------------------------
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// Possible window flags
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// flag_vsync_hint
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// flag_fullscreen_mode -> not working properly -> wrong scaling!
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// flag_window_resizable
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// flag_window_undecorated
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// flag_window_transparent
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// flag_window_hidden
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// flag_window_minimized -> Not supported on window creation
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// flag_window_maximized -> Not supported on window creation
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// flag_window_unfocused
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// flag_window_topmost
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// flag_window_highdpi -> errors after minimize-resize, fb size is recalculated
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// flag_window_always_run
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// flag_msaa_4x_hint
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// Set configuration flags for window creation
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// rl.setConfigFlags(
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// @enumFromInt(@intFromEnum(rl.ConfigFlags.flag_vsync_hint) | @intFromEnum(rl.ConfigFlags.flag_msaa_4x_hint) | @intFromEnum(rl.ConfigFlags.flag_window_highdpi)),
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// );
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rl.initWindow(
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screen_width,
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screen_height,
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"raylib-zig [core] example - window flags",
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);
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defer rl.closeWindow(); // Close window and OpenGL context
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var ball_position = rl.Vector2.init(
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@floatFromInt(@divFloor(rl.getScreenWidth(), 2)),
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@floatFromInt(@divFloor(rl.getScreenHeight(), 2)),
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);
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var ball_speed = rl.Vector2.init(5, 4);
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const ball_radius: f32 = 20;
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var frames_counter: i32 = 0;
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rl.setTargetFPS(60); // Set our game to run at 60 frames-per-second
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while (!rl.windowShouldClose()) {
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// Update
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// ---------------------------------------------------------------------
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if (rl.isKeyPressed(.key_f)) rl.toggleFullscreen(); // Modifies window size when scaling!
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if (rl.isKeyPressed(.key_r)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_resizable))) {
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rl.clearWindowState(.flag_window_resizable);
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} else {
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rl.setWindowState(.flag_window_resizable);
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}
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}
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if (rl.isKeyPressed(.key_d)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_undecorated))) {
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rl.clearWindowState(.flag_window_undecorated);
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} else {
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rl.setWindowState(.flag_window_undecorated);
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}
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}
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if (rl.isKeyPressed(.key_h)) {
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if (!rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_hidden))) {
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rl.setWindowState(.flag_window_hidden);
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}
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frames_counter = 0;
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}
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_hidden))) {
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frames_counter += 1;
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if (frames_counter >= 240) rl.clearWindowState(.flag_window_hidden); // Show window after 3 seconds
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}
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if (rl.isKeyPressed(.key_n)) {
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if (!rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_minimized))) {
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rl.minimizeWindow();
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}
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frames_counter = 0;
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}
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_minimized))) {
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frames_counter += 1;
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if (frames_counter >= 240) rl.restoreWindow(); // Restore window after 3 seconds
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}
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if (rl.isKeyPressed(.key_m)) {
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// NOTE: Requires `flag_window_resizable` enabled!
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_maximized))) {
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rl.restoreWindow();
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} else rl.maximizeWindow();
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}
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if (rl.isKeyPressed(.key_u)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_unfocused))) {
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rl.clearWindowState(.flag_window_unfocused);
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} else rl.setWindowState(.flag_window_unfocused);
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}
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if (rl.isKeyPressed(.key_t)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_topmost))) {
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rl.clearWindowState(.flag_window_topmost);
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} else rl.setWindowState(.flag_window_topmost);
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}
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if (rl.isKeyPressed(.key_a)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_always_run))) {
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rl.clearWindowState(.flag_window_always_run);
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} else rl.setWindowState(.flag_window_always_run);
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}
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if (rl.isKeyPressed(.key_v)) {
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_vsync_hint))) {
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rl.clearWindowState(.flag_vsync_hint);
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} else rl.setWindowState(.flag_vsync_hint);
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}
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// Bouncing ball logic
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ball_position = rlm.vector2Add(ball_position, ball_speed);
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if (ball_position.x >= (@as(f32, @floatFromInt(rl.getScreenWidth())) - ball_radius) or ball_position.x <= ball_radius) {
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ball_speed.x *= -1;
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}
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if (ball_position.y >= (@as(f32, @floatFromInt(rl.getScreenHeight())) - ball_radius) or ball_position.y <= ball_radius) {
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ball_speed.y *= -1;
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}
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// ---------------------------------------------------------------------
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// Draw
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// ---------------------------------------------------------------------
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{
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rl.beginDrawing();
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defer rl.endDrawing();
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if (rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_transparent))) {
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rl.clearBackground(rl.Color.blank);
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} else rl.clearBackground(rl.Color.ray_white);
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rl.drawCircleV(ball_position, ball_radius, rl.Color.maroon);
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rl.drawRectangleLinesEx(
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rl.Rectangle.init(0, 0, @floatFromInt(rl.getScreenWidth()), @floatFromInt(rl.getScreenHeight())),
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4,
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rl.Color.ray_white,
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);
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rl.drawCircleV(rl.getMousePosition(), 10, rl.Color.dark_blue);
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rl.drawFPS(10, 10);
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rl.drawText(
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rl.textFormat("Screen Size: [%i, %i]", .{ rl.getScreenWidth(), rl.getScreenHeight() }),
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10,
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40,
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10,
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rl.Color.green,
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);
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// Draw window state info
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rl.drawText(
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"Following flags can be set after window creation:",
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10,
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60,
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10,
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rl.Color.gray,
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);
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rl.drawText(
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rl.textFormat("[F] flag_fullscreen_mode: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_fullscreen_mode)))),
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}),
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10,
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80,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[R] flag_window_resizable: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_resizable)))),
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}),
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10,
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100,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[D] flag_window_undecorated: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_undecorated)))),
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}),
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10,
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120,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[H] flag_window_hidden: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_hidden)))),
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}),
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10,
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140,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[N] flag_window_minimized: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_minimized)))),
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}),
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10,
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160,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[M] flag_window_maximized: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_maximized)))),
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}),
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10,
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180,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[U] flag_window_unfocused: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_unfocused)))),
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}),
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10,
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200,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[T] flag_window_topmost: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_topmost)))),
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}),
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10,
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220,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[A] flag_window_always_run: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_always_run)))),
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}),
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10,
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240,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("[V] flag_vsync_hint: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_vsync_hint)))),
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}),
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10,
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260,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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"Following flags can only be set before window creation:",
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10,
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300,
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10,
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rl.Color.gray,
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);
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rl.drawText(
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rl.textFormat("flag_window_highdpi: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_highdpi)))),
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}),
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10,
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320,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("flag_window_transparent: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_window_transparent)))),
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}),
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10,
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340,
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10,
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rl.Color.lime,
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);
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rl.drawText(
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rl.textFormat("flag_msaa_4x_hint: %d", .{
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@as(i32, @intFromBool(rl.isWindowState(@intFromEnum(rl.ConfigFlags.flag_msaa_4x_hint)))),
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}),
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10,
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360,
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10,
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rl.Color.lime,
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);
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}
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// ---------------------------------------------------------------------
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}
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}
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