chore: clean recommit

Examples/Core/DirectoryFiles.cs

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+/*******************************************************************************************
+*
+*   raylib [core] example - directory files
+*
+*   Example complexity rating: [★☆☆☆] 1/4
+*
+*   Example originally created with raylib 5.5, last time updated with raylib 5.6
+*
+*   Example contributed by Hugo ARNAL (@hugoarnal) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2025 Hugo ARNAL (@hugoarnal)
+*
+********************************************************************************************/
+
+// NOTE: The original example relies on raygui (GuiButton, GuiLabel, GuiListViewEx) for its UI.
+// raygui is not part of the raylib-cs bindings, so the back button, directory label and file
+// list view are reimplemented here with plain raylib primitives. The directory navigation
+// behaviour (enter directories, go back) is preserved.
+
+using System;
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public partial class DirectoryFiles : IExample
+{
+    private const int screenWidth = 800;
+    private const int screenHeight = 450;
+
+    private const string FileFilter = "DIRS*;.png;.c";
+
+    public string Name => "Core / Directory Files";
+
+    public string Title => "raylib [core] example - directory files";
+
+    private string directory;
+    private FilePathList files;
+
+    private bool btnBackPressed;
+
+    private int listScrollIndex;
+    private int listItemActive;
+    private int listItemFocused;
+
+    public void Init()
+    {
+        directory = GetWorkingDirectoryAsString();
+
+        // Load file-paths on current working directory
+        // NOTE: LoadDirectoryFiles() loads files and directories by default,
+        // use LoadDirectoryFilesEx() for custom filters and recursive directories loading
+        //files = LoadDirectoryFiles(directory);
+        files = LoadDirectoryFilesEx(directory, FileFilter, false);
+
+        btnBackPressed = false;
+
+        listScrollIndex = 0;
+        listItemActive = -1;
+        listItemFocused = -1;
+    }
+
+    public void Update()
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (btnBackPressed)
+        {
+            directory = GetPrevDirectoryPath(directory);
+            UnloadDirectoryFiles(files);
+            files = LoadDirectoryFilesEx(directory, FileFilter, false);
+
+            listScrollIndex = 0;
+            listItemActive = -1;
+            listItemFocused = -1;
+        }
+
+        if ((listItemActive >= 0) && (listItemActive < (int)files.Count))
+        {
+            string selected = files[(uint)listItemActive];
+            bool isDirectory = DirectoryExists(selected);
+            if (isDirectory)
+            {
+                directory = selected;
+                UnloadDirectoryFiles(files);
+                files = LoadDirectoryFilesEx(directory, FileFilter, false);
+
+                listScrollIndex = 0;
+                listItemActive = -1;
+                listItemFocused = -1;
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        ClearBackground(Color.RayWhite);
+
+        Vector2 mouse = GetMousePosition();
+
+        // Back button "<"
+        Rectangle backBounds = new Rectangle(40.0f, 10.0f, 48, 28);
+        bool backHover = CheckCollisionPointRec(mouse, backBounds);
+        DrawRectangleRec(backBounds, backHover ? Color.SkyBlue : Color.LightGray);
+        DrawRectangleLinesEx(backBounds, 1, Color.Gray);
+        int backTextWidth = MeasureText("<", 20);
+        DrawText("<", (int)(backBounds.X + (backBounds.Width - backTextWidth) / 2), (int)(backBounds.Y + 4), 20, Color.DarkGray);
+        btnBackPressed = backHover && IsMouseButtonReleased(MouseButton.Left);
+
+        // Current directory label
+        DrawText(directory, 40 + 48 + 10, 16, 20, Color.DarkGray);
+
+        // File list view
+        Rectangle listBounds = new Rectangle(0, 50, GetScreenWidth(), GetScreenHeight() - 50);
+        DrawRectangleRec(listBounds, Color.RayWhite);
+        DrawRectangleLinesEx(listBounds, 1, Color.Gray);
+
+        int count = (int)files.Count;
+        float rowHeight = 28;
+        int visibleRows = (int)(listBounds.Height / rowHeight);
+
+        bool mouseInList = CheckCollisionPointRec(mouse, listBounds);
+        if (mouseInList)
+        {
+            listScrollIndex -= (int)GetMouseWheelMove();
+        }
+        int maxScroll = Math.Max(0, count - visibleRows);
+        listScrollIndex = Math.Clamp(listScrollIndex, 0, maxScroll);
+
+        listItemFocused = -1;
+        for (int i = 0; i < visibleRows; i++)
+        {
+            int itemIndex = listScrollIndex + i;
+            if (itemIndex >= count)
+            {
+                break;
+            }
+
+            Rectangle rowRec = new Rectangle(listBounds.X + 1, listBounds.Y + 1 + i * rowHeight, listBounds.Width - 2, rowHeight);
+            bool rowHover = mouseInList && CheckCollisionPointRec(mouse, rowRec);
+
+            if (itemIndex == listItemActive)
+            {
+                DrawRectangleRec(rowRec, Fade(Color.SkyBlue, 0.7f));
+            }
+            else if (rowHover)
+            {
+                DrawRectangleRec(rowRec, Fade(Color.SkyBlue, 0.3f));
+            }
+
+            if (rowHover)
+            {
+                listItemFocused = itemIndex;
+                if (IsMouseButtonReleased(MouseButton.Left))
+                {
+                    listItemActive = itemIndex;
+                }
+            }
+
+            DrawText(files[(uint)itemIndex], (int)rowRec.X + 40, (int)rowRec.Y + 8, 10, Color.DarkGray);
+        }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    public void Unload()
+    {
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadDirectoryFiles(files);
+    }
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - directory files");
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        var game = new DirectoryFiles();
+        game.Init();
+
+        // Main game loop
+        while (!WindowShouldClose())    // Detect window close button or ESC key
+        {
+            game.Update();
+        }
+
+        game.Unload();
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();        // Close window and OpenGL context
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}