From e0cfcfac13552d2372d2f99233460e2f5b598a6e Mon Sep 17 00:00:00 2001
From: sthag <sthag@interaktionsweise.de>
Date: Mon, 27 Oct 2025 21:33:38 +0100
Subject: [PATCH] feat: Add and rename screens

- Add windows screen
- Add windows.js
- Different variants of classes for drag and edge snap behaviour
- Rename js files to better distinguish usage
---
 source/code/{_ui.js => drag.js}               |   0
 source/code/{_intro.js => intro.js}           |   0
 source/code/windows.js                        | 282 ++++++++++++++++++
 source/screens/demo/examples/intro.njk        |   2 +-
 source/screens/demo/examples/ui/drag.liquid   |   2 +-
 .../screens/demo/examples/ui/windows.liquid   |  30 ++
 source/style/modules/ui/_windows_module.scss  |  36 +++
 source/style/ui.scss                          |   1 +
 8 files changed, 351 insertions(+), 2 deletions(-)
 rename source/code/{_ui.js => drag.js} (100%)
 rename source/code/{_intro.js => intro.js} (100%)
 create mode 100644 source/code/windows.js
 create mode 100644 source/screens/demo/examples/ui/windows.liquid
 create mode 100644 source/style/modules/ui/_windows_module.scss

diff --git a/source/code/_ui.js b/source/code/drag.js
similarity index 100%
rename from source/code/_ui.js
rename to source/code/drag.js
diff --git a/source/code/_intro.js b/source/code/intro.js
similarity index 100%
rename from source/code/_intro.js
rename to source/code/intro.js
diff --git a/source/code/windows.js b/source/code/windows.js
new file mode 100644
index 0000000..6c68eec
--- /dev/null
+++ b/source/code/windows.js
@@ -0,0 +1,282 @@
+class Draggable {
+	constructor(element) {
+		this.element = element;
+		this.offsetX = 0;
+		this.offsetY = 0;
+		this.isDragging = false;
+		this.barSize = '';
+
+		this.init();
+	}
+
+	init() {
+		this.element.addEventListener('mousedown', this.onMouseDown.bind(this));
+		document.addEventListener('mousemove', this.onMouseMove.bind(this));
+		document.addEventListener('mouseup', this.onMouseUp.bind(this));
+		this.setPosition('bottom');
+	}
+
+	onMouseDown(event) {
+		this.isDragging = true;
+		this.offsetX = event.clientX - this.element.getBoundingClientRect().left;
+		this.offsetY = event.clientY - this.element.getBoundingClientRect().top;
+
+		event.preventDefault();
+	}
+
+	onMouseMove(event) {
+		if (!this.isDragging) {
+			return;
+		}
+
+		let x = event.clientX - this.offsetX;
+		let y = event.clientY - this.offsetY;
+
+		// Update the position of the element
+		this.element.style.left = `${x}px`;
+		this.element.style.top = `${y}px`;
+	}
+
+	onMouseUp() {
+		if (!this.isDragging) {
+			return;
+		}
+		this.isDragging = false;
+
+		this.snapToEdges();
+	}
+
+	snapToEdges() {
+		const rect = this.element.getBoundingClientRect();
+		const windowWidth = window.innerWidth;
+		const windowHeight = window.innerHeight;
+
+		// Determine the closest edge
+		const distances = {
+			left: rect.left,
+			right: windowWidth - rect.right,
+			top: rect.top,
+			bottom: windowHeight - rect.bottom
+		};
+
+		const closestEdge = Object.keys(distances).reduce((a, b) => distances[a] < distances[b] ? a : b);
+
+		this.setPosition(closestEdge, this.barSize);
+	}
+
+	setPosition(side, barSize) {
+		switch (side) {
+			case 'left':
+				// this.element.style.top = `${rect.top}px`; // Optional: keep vertical position
+				this.element.style.top = '0px';
+				this.element.style.right = '';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '0px';
+				this.element.style.width = barSize;
+				this.element.style.height = '';
+				break;
+			case 'right':
+				// this.element.style.left = `${windowWidth - rect.width}px`;
+				// this.element.style.top = `${rect.top}px`; // Optional: keep vertical position
+				this.element.style.top = '0px';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '';
+				this.element.style.width = barSize;
+				this.element.style.height = '';
+				break;
+			case 'top':
+				// this.element.style.top = '0px';
+				// this.element.style.left = `${rect.left}px`; // Optional: keep horizontal position
+				this.element.style.top = '0px';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '';
+				this.element.style.left = '0px';
+				this.element.style.width = '';
+				this.element.style.height = barSize;
+				break;
+			case 'bottom':
+				// this.element.style.top = `${windowHeight - rect.height}px`;
+				// this.element.style.left = `${rect.left}px`; // Optional: keep horizontal position
+				this.element.style.top = '';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '0px';
+				this.element.style.width = '';
+				this.element.style.height = barSize;
+				break;
+		}
+	}
+}
+
+class DragAdv {
+	constructor(element, placeholder) {
+		this.element = element;
+		this.placeholder = placeholder;
+		this.offsetX = 0;
+		this.offsetY = 0;
+		this.isDragging = false;
+		this.barSize = '';
+
+		this.init();
+	}
+
+	init() {
+		this.element.addEventListener('mousedown', this.onMouseDown.bind(this));
+		document.addEventListener('mousemove', this.onMouseMove.bind(this));
+		document.addEventListener('mouseup', this.onMouseUp.bind(this));
+		this.setPosition('bottom');
+	}
+
+	onMouseDown(event) {
+		this.isDragging = true;
+		// this.offsetX = event.clientX - this.element.getBoundingClientRect().left;
+		// this.offsetY = event.clientY - this.element.getBoundingClientRect().top;
+		this.offsetX = 0;
+		this.offsetY = 0;
+		this.element.style.display = 'none';
+
+		this.showPlaceholder();
+		event.preventDefault();
+	}
+
+	onMouseMove(event) {
+		if (!this.isDragging) return;
+
+		let x = event.clientX - this.offsetX;
+		let y = event.clientY - this.offsetY;
+
+		// Update the position of the element
+		// this.element.style.left = `${x}px`;
+		// this.element.style.top = `${y}px`;
+		// this.element.style.display = 'none';
+
+		// Update placeholder position
+		this.placeholder.style.left = `${x}px`;
+		this.placeholder.style.top = `${y}px`;
+		// this.placeholder.style.display = 'block';
+	}
+
+	onMouseUp() {
+		if (!this.isDragging) return;
+		this.isDragging = false;
+
+		this.element.style.display = 'block';
+
+		this.snapToEdges();
+		this.hidePlaceholder();
+	}
+
+	showPlaceholder() {
+		this.placeholder.style.display = 'block';
+	}
+
+	hidePlaceholder() {
+		this.placeholder.style.display = 'none';
+	}
+
+	snapToEdges() {
+		const rect = this.placeholder.getBoundingClientRect();
+		const windowWidth = window.innerWidth;
+		const windowHeight = window.innerHeight;
+
+		const distances = {
+			left: rect.left,
+			right: windowWidth - rect.right,
+			top: rect.top,
+			bottom: windowHeight - rect.bottom
+		};
+
+		const closestEdge = Object.keys(distances).reduce((a, b) => distances[a] < distances[b] ? a : b);
+
+		console.log(rect);
+		console.log(closestEdge);
+		this.setPosition(closestEdge, this.barSize);
+		/*switch (closestEdge) {
+			case 'left':
+				this.element.style.left = '0px';
+				this.element.style.top = `${rect.top}px`;
+				break;
+			case 'right':
+				this.element.style.left = `${windowWidth - rect.width}px`;
+				this.element.style.top = `${rect.top}px`;
+				break;
+			case 'top':
+				this.element.style.top = '0px';
+				this.element.style.left = `${rect.left}px`;
+				break;
+			case 'bottom':
+				this.element.style.top = `${windowHeight - rect.height}px`;
+				this.element.style.left = `${rect.left}px`;
+				break;
+		}*/
+	}
+
+	setPosition(side, barSize) {
+		switch (side) {
+			case 'left':
+				// this.element.style.top = `${rect.top}px`; // Optional: keep vertical position
+				this.element.style.top = '0px';
+				this.element.style.right = '';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '0px';
+				this.element.style.width = barSize;
+				this.element.style.height = '';
+				break;
+			case 'right':
+				// this.element.style.left = `${windowWidth - rect.width}px`;
+				// this.element.style.top = `${rect.top}px`; // Optional: keep vertical position
+				this.element.style.top = '0px';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '';
+				this.element.style.width = barSize;
+				this.element.style.height = '';
+				break;
+			case 'top':
+				// this.element.style.top = '0px';
+				// this.element.style.left = `${rect.left}px`; // Optional: keep horizontal position
+				this.element.style.top = '0px';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '';
+				this.element.style.left = '0px';
+				this.element.style.width = '';
+				this.element.style.height = barSize;
+				break;
+			case 'bottom':
+				// this.element.style.top = `${windowHeight - rect.height}px`;
+				// this.element.style.left = `${rect.left}px`; // Optional: keep horizontal position
+				this.element.style.top = '';
+				this.element.style.right = '0px';
+				this.element.style.bottom = '0px';
+				this.element.style.left = '0px';
+				this.element.style.width = '';
+				this.element.style.height = barSize;
+				break;
+		}
+	}
+}
+
+class BestDrag {
+	#element;
+
+	constructor(element) {
+		this.#setElement(element);
+	}
+
+	#setElement(value) {
+		if (!value) {
+			throw new Error('No element found');
+		}
+		this.#element = value;
+		this.#element.style.background = "hotpink";
+	}
+
+	get element() {
+		return this.#element;
+	}
+
+	set element(value) {
+		this.#setElement(value);
+	}
+}
\ No newline at end of file
diff --git a/source/screens/demo/examples/intro.njk b/source/screens/demo/examples/intro.njk
index 1358739..548cc3f 100644
--- a/source/screens/demo/examples/intro.njk
+++ b/source/screens/demo/examples/intro.njk
@@ -49,7 +49,7 @@ tags:
 
 {%- block script %}
 	{{ super() }}
-	<script src="{{ pageBase }}js/_intro.js"></script>
+	<script src="{{ pageBase }}js/intro.js"></script>
 	<script>
 		//let intro = new Intro('Intro');
 		//intro.init();
diff --git a/source/screens/demo/examples/ui/drag.liquid b/source/screens/demo/examples/ui/drag.liquid
index aeceed7..fe8ef43 100755
--- a/source/screens/demo/examples/ui/drag.liquid
+++ b/source/screens/demo/examples/ui/drag.liquid
@@ -22,7 +22,7 @@ tags:
 {% endblock %}
 
 {%- block script %}
-<script src="{{ pageBase }}js/_ui.js"></script>
+<script src="{{ pageBase }}js/drag.js"></script>
 <script>
 	// Get the space element
 	const space = document.getElementById('space');
diff --git a/source/screens/demo/examples/ui/windows.liquid b/source/screens/demo/examples/ui/windows.liquid
new file mode 100644
index 0000000..9dc321b
--- /dev/null
+++ b/source/screens/demo/examples/ui/windows.liquid
@@ -0,0 +1,30 @@
+---
+title: Windows
+tags:
+- ui
+---
+{% assign bodyClass = "body_frame" -%}
+{% layout "hippie/app.liquid" %}
+
+{% block body %}
+<nav id="task-bar">
+	<button data-action="start">Start</button>
+</nav>
+<div id="screen-space"></div>
+<div id="placeholder"></div>
+{% endblock %}
+
+{%- block script %}
+<script src="{{ pageBase }}js/windows.js"></script>
+<script>
+	// Get the space element
+	const space = document.getElementById('screen-space');
+	const start = document.querySelector('[data-action=start]');
+	const draggableElement = document.getElementById('task-bar');
+	const placeholderElement = document.getElementById('placeholder');
+
+	// const draggable = new Draggable(draggableElement);
+	const dragMore = new DragAdv(draggableElement, placeholderElement);
+	// const dragBest = new BestDrag(draggableElement, placeholderElement);
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/source/style/modules/ui/_windows_module.scss b/source/style/modules/ui/_windows_module.scss
new file mode 100644
index 0000000..0f46b78
--- /dev/null
+++ b/source/style/modules/ui/_windows_module.scss
@@ -0,0 +1,36 @@
+@use "sass:map";
+
+@use "../../hippie-style/hippie";
+
+#task-bar {
+	@extend %flex-inline;
+	z-index: map.get(hippie.$z-indexes, "content-top");
+	align-items: stretch;
+	position: fixed;
+	//right: 0;
+	//bottom: 0;
+	//left: 0;
+	border: 1px solid transparent;
+	padding: hippie.$space_basic;
+	background-color: rgba(0, 0, 0, .1);
+
+	button {
+		@extend .button_io;
+		overflow: hidden;
+	}
+}
+
+#screen-space {
+	position: relative;
+	height: 100%;
+}
+
+#placeholder {
+	display: none;
+	z-index: map.get(hippie.$z-indexes, "content-top");
+	position: fixed;
+	width: 100px;
+	height: 100px;
+	border: 2px dashed deeppink;
+	background-color: hotpink;
+}
\ No newline at end of file
diff --git a/source/style/ui.scss b/source/style/ui.scss
index 4a1e6c8..da6ecf7 100644
--- a/source/style/ui.scss
+++ b/source/style/ui.scss
@@ -9,6 +9,7 @@
 @use "modules/ui/form_module";
 @use "modules/ui/game_module";
 @use "modules/ui/gallery_module";
+@use "modules/ui/windows_module";
 
 $color_gui_back: hippie.$color_dark;
 $space_gui_half: hippie.$space_half;