Add an application for controlling the size settings.

module/apps/ResizeControlManager.mjs

@@ -0,0 +1,67 @@
+import { __ID__, filePath } from "../consts.mjs";
+
+const { HandlebarsApplicationMixin, DocumentSheetV2 } = foundry.applications.api;
+const { getProperty } = foundry.utils;
+
+export class ResizeControlManager extends HandlebarsApplicationMixin(DocumentSheetV2) {
+
+	// #region Options
+	static DEFAULT_OPTIONS = {
+		classes: [
+			__ID__,
+			`ResizeControlManager`,
+		],
+		position: {
+			width: 400,
+			height: `auto`,
+		},
+		window: {
+			resizable: true,
+		},
+		form: {
+			submitOnChange: false,
+			closeOnSubmit: true,
+		},
+		actions: {},
+	};
+
+	static PARTS = {
+		settings: { template: filePath(`templates/ResizeControlManager/settings.hbs`) },
+		controls: { template: filePath(`templates/ResizeControlManager/controls.hbs`) },
+	};
+	// #endregion Options
+
+	// #region Instance Data
+	get title() {
+		return `Sizing Settings For : ${this.document.name}`;
+	};
+	// #endregion Instance Data
+
+	// #region Lifecycle
+	async _onRender(context, options) {
+		await super._onRender(context, options);
+	};
+	// #endregion Lifecycle
+
+	// #region Data Prep
+	async _prepareContext() {
+		const sizing = getProperty(this.document, `flags.${__ID__}.PlayerSheet.size`) ?? {};
+
+		const ctx = {
+			meta: {
+				idp: this.id,
+			},
+			width: sizing.width,
+			height: sizing.height,
+			resizable: sizing.resizable,
+			resizeOptions: [
+				{ label: `Default`, value: `` },
+				{ label: `Resizable`, value: `true` },
+				{ label: `No Resizing`, value: `false` },
+			],
+		};
+
+		return ctx;
+	};
+	// #endregion Data Prep
+};

styles/Apps/ResizeControlManager.css

@@ -0,0 +1,10 @@
+.taf.ResizeControlManager {
+	fieldset {
+		display: grid;
+		grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
+		align-items: center;
+		gap: 8px;
+		border: 1px solid rebeccapurple;
+		border-radius: 4px;
+	}
+}

styles/main.css

@@ -20,3 +20,4 @@
 @import url("./Apps/Ask.css") layer(apps);
 @import url("./Apps/AttributeManager.css") layer(apps);
 @import url("./Apps/PlayerSheet.css") layer(apps);
+@import url("./Apps/ResizeControlManager.css") layer(apps);

templates/ResizeControlManager/controls.hbs

@@ -0,0 +1,7 @@
+<div class="controls">
+	<button
+		type="submit"
+	>
+		Save and Close
+	</button>
+</div>

templates/ResizeControlManager/settings.hbs

@@ -0,0 +1,29 @@
+<div class="settings">
+	<p>
+		Changes to these settings will only take effect after a reload of Foundry.
+	</p>
+	<fieldset>
+		<legend>Sizing</legend>
+		<label for="{{ meta.idp }}-width">Width</label>
+		<input
+			type="number"
+			id="{{ meta.idp }}-width"
+			value="{{ width }}"
+			name="flags.taf.PlayerSheet.size.width"
+		>
+		<label for="{{ meta.idp }}-height">Height</label>
+		<input
+			type="number"
+			id="{{ meta.idp }}-height"
+			value="{{ height }}"
+			name="flags.taf.PlayerSheet.size.height"
+		>
+		<label for="{{ meta.idp }}-resizable">Resizable?</label>
+		<select
+			id="{{ meta.idp }}-resizable"
+			name="flags.taf.PlayerSheet.size.resizable"
+		>
+			{{ taf-options resizable resizeOptions }}
+		</select>
+	</fieldset>
+</div>