Make number of stickers per row configurable

web/src/index.js

@@ -27,6 +27,7 @@ class App extends Component {
 			packs: [],
 			loading: true,
 			error: null,
+			stickersPerRow: parseInt(localStorage.mauStickersPerRow || "4"),
 			frequentlyUsed: {
 				id: "frequently-used",
 				title: "Frequently used",
@@ -61,6 +62,15 @@ class App extends Component {
 		localStorage.mauFrequentlyUsedStickerCache = JSON.stringify(stickers.map(sticker => [sticker.id, sticker]))
 	}
 
+	setStickersPerRow(val) {
+		localStorage.mauStickersPerRow = val
+		document.documentElement.style.setProperty("--stickers-per-row", localStorage.mauStickersPerRow)
+		this.setState({
+			stickersPerRow: val,
+		})
+		this.packListRef.scrollTop = this.packListRef.scrollHeight
+	}
+
 	reloadPacks() {
 		this.imageObserver.disconnect()
 		this.sectionObserver.disconnect()
@@ -97,6 +107,7 @@ class App extends Component {
 	}
 
 	componentDidMount() {
+		document.documentElement.style.setProperty("--stickers-per-row", this.state.stickersPerRow.toString())
 		this._loadPacks()
 		this.imageObserver = new IntersectionObserver(this.observeImageIntersections, {
 			rootMargin: "100px",
@@ -189,6 +200,12 @@ const Settings = ({ app }) => html`
 		<h1>Settings</h1>
 		<div class="settings-list">
 			<button onClick=${app.reloadPacks}>Reload</button>
+			<div>
+				<label for="stickers-per-row">Stickers per row: ${app.state.stickersPerRow}</label>
+				<input type="range" min=2 max=10 id="stickers-per-row" id="stickers-per-row"
+					value=${app.state.stickersPerRow}
+					onInput=${evt => app.setStickersPerRow(evt.target.value)} />
+			</div>
 		</div>
 	</section>
 `

web/style/index.css

-*{font-family:sans-serif}body{margin:0}h1{font-size:1rem}main.spinner{margin-top:5rem}main.error,main.empty{margin:2rem}main.empty{text-align:center}main.has-content{position:fixed;top:0;left:0;right:0;bottom:0;display:grid;grid-template-rows:calc(12vw + 2px) auto}nav{display:flex;overflow-x:auto;height:calc(12vw + 2px);background-color:white}nav>a{border-bottom:2px solid transparent}nav>a.visible{border-bottom-color:green}nav>a>div.sticker{width:12vw;height:12vw}nav>a>div.sticker.icon>img{width:70%;height:70%;padding:15%}div.pack-list,nav{scrollbar-width:none}div.pack-list::-webkit-scrollbar,nav::-webkit-scrollbar{display:none}div.pack-list{overflow-y:auto}div.pack-list.ios-safari-hack{position:fixed;top:calc(12vw + 2px);bottom:0;left:0;right:0;-webkit-overflow-scrolling:touch}section.stickerpack{margin-top:.75rem}section.stickerpack>div.sticker-list{display:flex;flex-wrap:wrap}section.stickerpack>h1{margin:0 0 0 .75rem}div.sticker{display:flex;padding:4px;cursor:pointer;position:relative;width:25vw;height:25vw;box-sizing:border-box}div.sticker:hover{background-color:#eee}div.sticker>img{display:none;width:100%;object-fit:contain}div.sticker>img.visible{display:initial}div.settings-list{display:flex}div.settings-list button{width:100%;margin:.5rem;padding:.5rem;border-radius:.25rem}
+*{font-family:sans-serif}body{margin:0}h1{font-size:1rem}:root{--stickers-per-row: 4;--sticker-size: calc(100vw / var(--stickers-per-row))}main.spinner{margin-top:5rem}main.error,main.empty{margin:2rem}main.empty{text-align:center}main.has-content{position:fixed;top:0;left:0;right:0;bottom:0;display:grid;grid-template-rows:calc(12vw + 2px) auto}nav{display:flex;overflow-x:auto;height:calc(12vw + 2px);background-color:white}nav>a{border-bottom:2px solid transparent}nav>a.visible{border-bottom-color:green}nav>a>div.sticker{width:12vw;height:12vw}nav>a>div.sticker.icon>img{width:70%;height:70%;padding:15%}div.pack-list,nav{scrollbar-width:none}div.pack-list::-webkit-scrollbar,nav::-webkit-scrollbar{display:none}div.pack-list{overflow-y:auto}div.pack-list.ios-safari-hack{position:fixed;top:calc(12vw + 2px);bottom:0;left:0;right:0;-webkit-overflow-scrolling:touch}section.stickerpack{margin-top:.75rem}section.stickerpack>div.sticker-list{display:flex;flex-wrap:wrap}section.stickerpack>h1{margin:0 0 0 .75rem}div.sticker{display:flex;padding:4px;cursor:pointer;position:relative;width:var(--sticker-size);height:var(--sticker-size);box-sizing:border-box}div.sticker:hover{background-color:#eee}div.sticker>img{display:none;width:100%;object-fit:contain}div.sticker>img.visible{display:initial}div.settings-list{display:flex;flex-direction:column}div.settings-list>*{margin:.5rem}div.settings-list button{padding:.5rem;border-radius:.25rem}div.settings-list input{width:100%}

web/style/index.sass

@@ -13,7 +13,10 @@ body
 h1
   font-size: 1rem
 
-$sticker-size: 25vw
+\:root
+  --stickers-per-row: 4
+  --sticker-size: calc(100vw / var(--stickers-per-row))
+
 $nav-sticker-size: 12vw
 $nav-bottom-highlight: 2px
 $nav-height: calc(#{$nav-sticker-size} + #{$nav-bottom-highlight})
@@ -91,8 +94,8 @@ div.sticker
   padding: 4px
   cursor: pointer
   position: relative
-  width: $sticker-size
-  height: $sticker-size
+  width: var(--sticker-size)
+  height: var(--sticker-size)
   box-sizing: border-box
 
   &:hover
@@ -108,9 +111,14 @@ div.sticker
 
 div.settings-list
   display: flex
+  flex-direction: column
 
-  button
-    width: 100%
+  > *
     margin: .5rem
+
+  button
     padding: .5rem
     border-radius: .25rem
+
+  input
+    width: 100%