feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style
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tiger tiger tiger
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234 changed files with 38997 additions and 10578 deletions
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@ -1,11 +1,15 @@
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/*******************************************************************************************
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*
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* raylib [text] example - Input Box
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* raylib [text] example - input box
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*
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* This example has been created using raylib 1.7 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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* Example complexity rating: [★★☆☆] 2/4
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*
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* Copyright (c) 2017 Ramon Santamaria (@raysan5)
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* Example originally created with raylib 1.7, last time updated with raylib 3.5
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2017-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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@ -13,149 +17,179 @@ using static Raylib_cs.Raylib;
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namespace Examples.Text;
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public class InputBox
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public partial class InputBox : IExample
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{
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public const int MaxInputChars = 9;
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public string Name => "Text / Input Box";
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public string Title => "raylib [text] example - input box";
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private char[] name;
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private int letterCount;
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private Rectangle textBox;
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private bool mouseOnText;
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private int framesCounter;
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public void Init()
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{
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// NOTE: One extra space required for null terminator char '\0'
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name = new char[MaxInputChars + 1];
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letterCount = 0;
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textBox = new(screenWidth / 2 - 100, 180, 225, 50);
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mouseOnText = false;
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framesCounter = 0;
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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if (CheckCollisionPointRec(GetMousePosition(), textBox))
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{
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mouseOnText = true;
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}
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else
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{
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mouseOnText = false;
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}
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if (mouseOnText)
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{
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// Set the window's cursor to the I-Beam
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SetMouseCursor(MouseCursor.IBeam);
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// Get char pressed (unicode character) on the queue
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var key = GetCharPressed();
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// Check if more characters have been pressed on the same frame
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while (key > 0)
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{
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// NOTE: Only allow keys in range [32..125]
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if ((key >= 32) && (key <= 125) && (letterCount < MaxInputChars))
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{
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name[letterCount] = (char)key;
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name[letterCount + 1] = '\0'; // Add null terminator at the end of the string
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letterCount++;
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}
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key = GetCharPressed(); // Check next character in the queue
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}
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if (IsKeyPressed(KeyboardKey.Backspace))
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{
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letterCount -= 1;
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if (letterCount < 0)
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{
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letterCount = 0;
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}
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name[letterCount] = '\0';
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}
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}
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else
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{
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SetMouseCursor(MouseCursor.Default);
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}
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if (mouseOnText)
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{
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framesCounter += 1;
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}
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else
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{
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framesCounter = 0;
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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DrawText("PLACE MOUSE OVER INPUT BOX!", 240, 140, 20, Color.Gray);
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DrawRectangleRec(textBox, Color.LightGray);
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if (mouseOnText)
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{
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DrawRectangleLines(
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(int)textBox.X,
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(int)textBox.Y,
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(int)textBox.Width,
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(int)textBox.Height,
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Color.Red
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);
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}
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else
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{
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DrawRectangleLines(
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(int)textBox.X,
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(int)textBox.Y,
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(int)textBox.Width,
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(int)textBox.Height,
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Color.DarkGray
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);
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}
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DrawText(new string(name), (int)textBox.X + 5, (int)textBox.Y + 8, 40, Color.Maroon);
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DrawText($"INPUT CHARS: {letterCount}/{MaxInputChars}", 315, 250, 20, Color.DarkGray);
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if (mouseOnText)
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{
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if (letterCount < MaxInputChars)
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{
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// Draw blinking underscore char
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if ((framesCounter / 20 % 2) == 0)
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{
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DrawText(
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"_",
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(int)textBox.X + 8 + MeasureText(new string(name), 40),
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(int)textBox.Y + 12,
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40,
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Color.Maroon
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);
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}
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}
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else
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{
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DrawText("Press BACKSPACE to delete chars...", 230, 300, 20, Color.Gray);
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}
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}
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [text] example - input box");
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// NOTE: One extra space required for line ending char '\0'
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char[] name = new char[MaxInputChars];
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int letterCount = 0;
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Rectangle textBox = new(screenWidth / 2 - 100, 180, 225, 50);
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bool mouseOnText = false;
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int framesCounter = 0;
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SetTargetFPS(60);
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new InputBox();
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game.Init();
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// Main game loop
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while (!WindowShouldClose())
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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if (CheckCollisionPointRec(GetMousePosition(), textBox))
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{
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mouseOnText = true;
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}
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else
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{
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mouseOnText = false;
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}
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if (mouseOnText)
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{
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// Set the window's cursor to the I-Beam
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SetMouseCursor(MouseCursor.IBeam);
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// Check if more characters have been pressed on the same frame
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int key = GetCharPressed();
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while (key > 0)
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{
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// NOTE: Only allow keys in range [32..125]
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if ((key >= 32) && (key <= 125) && (letterCount < MaxInputChars))
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{
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name[letterCount] = (char)key;
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letterCount++;
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}
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// Check next character in the queue
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key = GetCharPressed();
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}
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if (IsKeyPressed(KeyboardKey.Backspace))
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{
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letterCount -= 1;
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if (letterCount < 0)
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{
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letterCount = 0;
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}
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name[letterCount] = '\0';
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}
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}
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else
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{
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SetMouseCursor(MouseCursor.Default);
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}
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if (mouseOnText)
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{
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framesCounter += 1;
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}
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else
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{
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framesCounter = 0;
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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DrawText("PLACE MOUSE OVER INPUT BOX!", 240, 140, 20, Color.Gray);
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DrawRectangleRec(textBox, Color.LightGray);
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if (mouseOnText)
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{
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DrawRectangleLines(
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(int)textBox.X,
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(int)textBox.Y,
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(int)textBox.Width,
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(int)textBox.Height,
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Color.Red
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);
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}
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else
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{
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DrawRectangleLines(
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(int)textBox.X,
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(int)textBox.Y,
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(int)textBox.Width,
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(int)textBox.Height,
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Color.DarkGray
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);
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}
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DrawText(new string(name), (int)textBox.X + 5, (int)textBox.Y + 8, 40, Color.Maroon);
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DrawText($"INPUT CHARS: {letterCount}/{MaxInputChars}", 315, 250, 20, Color.DarkGray);
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if (mouseOnText)
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{
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if (letterCount < MaxInputChars)
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{
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// Draw blinking underscore char
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if ((framesCounter / 20 % 2) == 0)
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{
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DrawText(
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"_",
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(int)textBox.X + 8 + MeasureText(new string(name), 40),
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(int)textBox.Y + 12,
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40,
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Color.Maroon
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);
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}
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}
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else
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{
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DrawText("Press BACKSPACE to delete chars...", 230, 300, 20, Color.Gray);
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}
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}
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EndDrawing();
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//----------------------------------------------------------------------------------
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow();
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