Rework widget positioning

2026-04-28 11:34:17 +02:00 · 2025-11-20 19:33:12 +01:00
parent 4b27e15e0c
commit ceb507078c
8 changed files with 279 additions and 164 deletions
@@ -0,0 +1,61 @@
+package de.shiewk.widgets;
+
+import org.joml.Vector2i;
+
+public enum Anchor {
+    TOP_LEFT,
+    TOP_CENTER,
+    TOP_RIGHT,
+    CENTER_LEFT,
+    CENTER,
+    CENTER_RIGHT,
+    BOTTOM_LEFT,
+    BOTTOM_CENTER,
+    BOTTOM_RIGHT;
+
+    public int getAlignStartPosX(int scaledScreenWidth){
+        return switch (this){
+            case TOP_LEFT, CENTER_LEFT, BOTTOM_LEFT -> 0;
+            case TOP_CENTER, CENTER, BOTTOM_CENTER -> scaledScreenWidth / 2;
+            case TOP_RIGHT, CENTER_RIGHT, BOTTOM_RIGHT -> scaledScreenWidth;
+        };
+    }
+
+    public int getAlignStartPosY(int scaledScreenHeight){
+        return switch (this){
+            case TOP_LEFT, TOP_CENTER, TOP_RIGHT -> 0;
+            case CENTER_LEFT, CENTER, CENTER_RIGHT -> scaledScreenHeight / 2;
+            case BOTTOM_LEFT, BOTTOM_CENTER, BOTTOM_RIGHT -> scaledScreenHeight;
+        };
+    }
+
+    public Vector2i getTopLeft(int scaledScreenWidth, int scaledScreenHeight){
+        return new Vector2i(
+                // X component
+                switch (this){
+                    case TOP_LEFT, CENTER_LEFT, BOTTOM_LEFT -> 0;
+                    case TOP_CENTER, CENTER, BOTTOM_CENTER -> scaledScreenWidth / 3;
+                    case TOP_RIGHT, CENTER_RIGHT, BOTTOM_RIGHT -> (int) (scaledScreenWidth / 3d * 2d);
+                },
+                // Y component
+                switch (this){
+                    case TOP_LEFT, TOP_CENTER, TOP_RIGHT -> 0;
+                    case CENTER_LEFT, CENTER, CENTER_RIGHT -> scaledScreenHeight / 3;
+                    case BOTTOM_LEFT, BOTTOM_CENTER, BOTTOM_RIGHT -> (int) (scaledScreenHeight / 3d * 2d);
+                }
+        );
+    }
+
+    public static Anchor getAnchor(int scaledScreenWidth, int scaledScreenHeight, int posX, int posY){
+        for (Anchor anchor : values()) {
+            Vector2i topLeft = anchor.getTopLeft(scaledScreenWidth, scaledScreenHeight);
+            if (
+                    topLeft.x <= posX && topLeft.x + scaledScreenWidth / 3 >= posX &&
+                    topLeft.y <= posY && topLeft.y + scaledScreenHeight / 3 >= posY
+            ){
+                return anchor;
+            }
+        }
+        return Anchor.TOP_LEFT;
+    }
+}