fix: overlapping text in some locales/scalings (#9)

Author: TheBossMagnus

common/src/main/java/io/github/thebossmagnus/mods/config_manager/common/screen/Gui.java

@@ -80,21 +80,27 @@ protected void init() {
         this.addRenderableWidget(updateButton);
         this.addRenderableWidget(closeButton);
 
+        // Calculate label positioning (leave 15px gap on top of buttons and 5% on the window border, then use remaining space above )
+        int buttonY = (int) ((this.height - buttonHeight) * 0.6);
+        int availableHeight = (int) (buttonY - 15 - this.height*0.05); // Available height from top to text end position
+
         updateWarningsLabel = new MultilineLabelWidget(
                 this.font,
                 updateWarnings,
                 (int) ((this.width - buttonWidth) * 0.15),
-                (int) ((this.height - buttonHeight) * 0.6) - 90,
+                (int) (this.height*0.05),
                 buttonWidth,
+                availableHeight,
                 true
         );
 
         resetWarningsLabel = new MultilineLabelWidget(
                 this.font,
                 resetWarnings,
                 (int) ((this.width - buttonWidth) * 0.85),
-                (int) ((this.height - buttonHeight) * 0.6) - 90,
+                (int) (this.height*0.05),
                 buttonWidth,
+                availableHeight,
                 true
         );
     }

common/src/main/java/io/github/thebossmagnus/mods/config_manager/common/screen/MultilineLabelWidget.java

@@ -19,29 +19,32 @@ public class MultilineLabelWidget implements Renderable {
     private final int x;
     private final int y;
     private final int width;
+    private final int maxHeight;
     private final boolean centered;
 
     /**
-     * Constructs a MultilineLabelWidget.
+     * Constructs a MultilineLabelWidget
      *
-     * @param font     Font renderer used for drawing text
-     * @param text     The text component to display (can contain formatting and siblings)
-     * @param x        X position of the widget
-     * @param y        Y position of the widget
-     * @param width    Width of the widget (used for wrapping and centering)
-     * @param centered Whether to center the text horizontally
+     * @param font      Font renderer used for drawing text
+     * @param text      The text component to display (can contain formatting and siblings)
+     * @param x         X position of the widget
+     * @param y         Y position of the widget
+     * @param width     Width of the widget (used for wrapping and centering)
+     * @param maxHeight Maximum height available (text will scale to fit)
+     * @param centered  Whether to center the text horizontally
      */
-    public MultilineLabelWidget(Font font, Component text, int x, int y, int width, boolean centered) {
+    public MultilineLabelWidget(Font font, Component text, int x, int y, int width, int maxHeight, boolean centered) {
         this.font = font;
         this.text = text;
         this.x = x;
         this.y = y;
         this.width = width;
+        this.maxHeight = maxHeight;
         this.centered = centered;
     }
 
     /**
-     * Renders the multi-line label with automatic word wrapping.
+     * Renders the multi-line label with automatic word wrapping
      *
      * @param guiGraphics The graphics context
      * @param mouseX      Mouse X position
@@ -64,15 +67,34 @@ public void render(@NotNull GuiGraphics guiGraphics, int mouseX, int mouseY, flo
             outputLines.addAll(wrapped);
         }
 
-        int currentY = y;
+        int lineHeight = computeLineHeight(outputLines);
+
+        // Calculate the actual total height used by the label
+        int totalHeight = outputLines.size() * lineHeight;
+
+        // Start text in a height that makes it end right and the start of the button + padding
+        int currentY = y + maxHeight - totalHeight;
+
         for (FormattedCharSequence line : outputLines) {
             int drawX = centered ? x + width / 2 : x;
             if (centered) {
                 guiGraphics.drawCenteredString(font, line, drawX, currentY, 0xFFFFFFFF);
             } else {
                 guiGraphics.drawString(font, line, drawX, currentY, 0xFFFFFFFF);
             }
-            currentY += font.lineHeight + 1;
+            currentY += lineHeight;
         }
     }
+
+    /**
+     * computes a good line height based on maxHeight
+     *
+     * @param lines A list with all lines to be rendered
+     */
+
+    private int computeLineHeight(List<FormattedCharSequence> lines) {
+        int lineHeight = font.lineHeight + 1; // Default line height with a small padding
+        float scale = Math.min(1.0f, (float) maxHeight / (lines.size() * lineHeight)); //if there's enough space, use normal line height else scale down
+        return Math.round(lineHeight * scale);
+    }
 }