Make the tool shelf adapt to multiple columns and improve panel scrollbars

Closes #176

editor/src/messages/tool/utility_types.rs

@@ -281,7 +281,7 @@ impl LayoutHolder for ToolData {
 			.collect();
 
 		Layout::WidgetLayout(WidgetLayout {
-			layout: vec![LayoutGroup::Column { widgets: tool_groups_layout }],
+			layout: vec![LayoutGroup::Row { widgets: tool_groups_layout }],
 		})
 	}
 }

frontend/src/components/Editor.svelte

@@ -198,25 +198,18 @@
 	.layout-col {
 		.scrollable-x,
 		.scrollable-y {
+			overflow: hidden;
+
 			// Firefox (standardized in CSS, but less capable)
 			scrollbar-width: thin;
 			scrollbar-color: var(--color-5-dullgray) transparent;
 
-			&:not(:hover) {
-				scrollbar-width: none;
-			}
-
 			// WebKit (only in Chromium/Safari but more capable)
 			&::-webkit-scrollbar {
 				width: calc(2px + 6px + 2px);
 				height: calc(2px + 6px + 2px);
 			}
 
-			&:not(:hover)::-webkit-scrollbar {
-				width: 0;
-				height: 0;
-			}
-
 			&::-webkit-scrollbar-track {
 				box-shadow: inset 0 0 0 1px var(--color-5-dullgray);
 				border: 2px solid transparent;

frontend/src/components/layout/FloatingMenu.svelte

@@ -55,7 +55,7 @@
 	$: displayTail = open && type === "Popover";
 	$: displayContainer = open || measuringOngoing;
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 	$: extraStyles = Object.entries(styles)
 		.flatMap((styleAndValue) => (styleAndValue[1] !== undefined ? [`${styleAndValue[0]}: ${styleAndValue[1]};`] : []))

frontend/src/components/layout/LayoutCol.svelte

@@ -12,7 +12,7 @@
 	let self: HTMLDivElement | undefined;
 
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 	$: extraStyles = Object.entries(styles)
 		.flatMap((styleAndValue) => (styleAndValue[1] !== undefined ? [`${styleAndValue[0]}: ${styleAndValue[1]};`] : []))

frontend/src/components/layout/LayoutRow.svelte

@@ -12,7 +12,7 @@
 	let self: HTMLDivElement | undefined;
 
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 	$: extraStyles = Object.entries(styles)
 		.flatMap((styleAndValue) => (styleAndValue[1] !== undefined ? [`${styleAndValue[0]}: ${styleAndValue[1]};`] : []))

frontend/src/components/panels/Document.svelte

@@ -21,6 +21,7 @@
 		UpdateEyedropperSamplingState,
 		UpdateMouseCursor,
 		UpdateDocumentNodeRender,
+		isWidgetSpanRow,
 	} from "@graphite/wasm-communication/messages";
 
 	import EyedropperPreview, { ZOOM_WINDOW_DIMENSIONS } from "@graphite/components/floating-menus/EyedropperPreview.svelte";
@@ -80,6 +81,39 @@
 
 	$: canvasWidthCSS = canvasDimensionCSS(canvasSvgWidth);
 	$: canvasHeightCSS = canvasDimensionCSS(canvasSvgHeight);
+	$: toolShelfTotalToolsAndSeparators = ((layoutGroup) => {
+		if (!isWidgetSpanRow(layoutGroup)) return undefined;
+
+		let totalSeparators = 0;
+		let totalToolRowsFor1Columns = 0;
+		let totalToolRowsFor2Columns = 0;
+		let totalToolRowsFor3Columns = 0;
+
+		const tally = () => {
+			totalToolRowsFor1Columns += toolsInCurrentGroup;
+			totalToolRowsFor2Columns += Math.ceil(toolsInCurrentGroup / 2);
+			totalToolRowsFor3Columns += Math.ceil(toolsInCurrentGroup / 3);
+			toolsInCurrentGroup = 0;
+		};
+
+		let toolsInCurrentGroup = 0;
+		layoutGroup.rowWidgets.forEach((widget) => {
+			if (widget.props.kind === "Separator") {
+				totalSeparators += 1;
+				tally();
+			} else {
+				toolsInCurrentGroup += 1;
+			}
+		});
+		tally();
+
+		return {
+			totalSeparators,
+			totalToolRowsFor1Columns,
+			totalToolRowsFor2Columns,
+			totalToolRowsFor3Columns,
+		};
+	})($document.toolShelfLayout.layout[0]);
 
 	function pasteFile(e: DragEvent) {
 		const { dataTransfer } = e;
@@ -428,17 +462,26 @@
 			<WidgetLayout layout={$document.nodeGraphBarLayout} />
 		{/if}
 	</LayoutRow>
-	<LayoutRow class="shelf-and-table">
+	<LayoutRow
+		class="shelf-and-table"
+		styles={toolShelfTotalToolsAndSeparators && {
+			"--total-separators": toolShelfTotalToolsAndSeparators.totalSeparators,
+			"--total-tool-rows-for-1-columns": toolShelfTotalToolsAndSeparators.totalToolRowsFor1Columns,
+			"--total-tool-rows-for-2-columns": toolShelfTotalToolsAndSeparators.totalToolRowsFor2Columns,
+			"--total-tool-rows-for-3-columns": toolShelfTotalToolsAndSeparators.totalToolRowsFor3Columns,
+		}}
+	>
 		<LayoutCol class="shelf">
 			{#if !$document.graphViewOverlayOpen}
 				<LayoutCol class="tools" scrollableY={true}>
 					<WidgetLayout layout={$document.toolShelfLayout} />
 				</LayoutCol>
+			{:else}
+				<LayoutRow class="spacer" />
 			{/if}
-			<LayoutCol class="spacer" />
 			<LayoutCol class="shelf-bottom-widgets">
-				<WidgetLayout layout={$document.graphViewOverlayButtonLayout} />
-				<WidgetLayout layout={$document.workingColorsLayout} />
+				<WidgetLayout class={"graph-overlay-button-area"} layout={$document.graphViewOverlayButtonLayout} />
+				<WidgetLayout class={"working-colors-button-area"} layout={$document.workingColorsLayout} />
 			</LayoutCol>
 		</LayoutCol>
 		<LayoutCol class="table">
@@ -523,71 +566,102 @@
 				min-width: 40px;
 			}
 
-			&.for-graph .widget-layout {
-				flex-direction: row;
-				flex-grow: 1;
+			&.for-graph {
 				justify-content: space-between;
 			}
 		}
 
 		.shelf-and-table {
+			// Enables usage of the `100cqh` unit to reference the height of this container element.
+			container-type: size;
+			// Be sure to recalculate this if the items below the tools (working colors and graph overlay buttons) change height in the future.
+			--height-of-elements-below-tools: 104px;
+			// Target height for the tools within the container above the lower elements.
+			--available-height: calc(100cqh - var(--height-of-elements-below-tools));
+			// The least height required to fit all the tools in 1 column and 2 columns, which the available space must exceed in order for the fewest number of columns to be used.
+			--1-col-required-height: calc(var(--total-tool-rows-for-1-columns) * 32px + var(--total-separators) * (1px + 8px * 2));
+			--2-col-required-height: calc(var(--total-tool-rows-for-2-columns) * 32px + var(--total-separators) * (1px + 8px * 2));
+			// Evaluates to 0px (if false) or 1px (if true). We multiply by 1000000 to force the result to be an integer 0 or 1 and not interpolate values in-between.
+			--needs-at-least-2-columns: calc(1px - clamp(0px, calc((var(--available-height) - Min(var(--available-height), var(--1-col-required-height))) * 1000000), 1px));
+			--needs-at-least-3-columns: calc(1px - clamp(0px, calc((var(--available-height) - Min(var(--available-height), var(--2-col-required-height))) * 1000000), 1px));
+			--columns: calc(1px + var(--needs-at-least-2-columns) + var(--needs-at-least-3-columns));
+
 			.shelf {
-				width: 32px;
 				flex: 0 0 auto;
+				justify-content: space-between;
 
 				.tools {
 					flex: 0 1 auto;
 
-					.icon-button[title^="Coming Soon"] {
-						opacity: 0.25;
-						transition: opacity 0.25s;
-
-						&:hover {
-							opacity: 1;
-						}
+					// Firefox-specific workaround for this bug causing the scrollbar to cover up the toolbar instead of widening to accommodate the scrollbar:
+					// <https://bugzilla.mozilla.org/show_bug.cgi?id=764076>
+					// <https://stackoverflow.com/questions/63278303/firefox-does-not-take-vertical-scrollbar-width-into-account-when-calculating-par>
+					// Remove this when the Firefox bug is fixed.
+					@-moz-document url-prefix() {
+						--available-height-plus-1: calc(var(--available-height) + 1px);
+						--3-col-required-height: calc(var(--total-tool-rows-for-3-columns) * 32px + var(--total-separators) * (1px + 8px * 2));
+						--overflows-with-3-columns: calc(1px - clamp(0px, calc((var(--available-height-plus-1) - Min(var(--available-height-plus-1), var(--3-col-required-height))) * 1000000), 1px));
+						--firefox-scrollbar-width-space-occupied: 8; // Might change someday, or on different platforms, but this is the value in FF 120 on Windows
+						padding-right: calc(var(--firefox-scrollbar-width-space-occupied) * var(--overflows-with-3-columns));
 					}
 
-					.icon-button:not(.active) {
-						.color-general {
-							fill: var(--color-data-general);
+					.widget-span {
+						flex-wrap: wrap;
+						width: calc(var(--columns) * 32);
+
+						.icon-button {
+							margin: 0;
+
+							&[title^="Coming Soon"] {
+								opacity: 0.25;
+								transition: opacity 0.25s;
+
+								&:hover {
+									opacity: 1;
+								}
+							}
+
+							&:not(.active) {
+								.color-general {
+									fill: var(--color-data-general);
+								}
+
+								.color-vector {
+									fill: var(--color-data-vector);
+								}
+
+								.color-raster {
+									fill: var(--color-data-raster);
+								}
+							}
 						}
 
-						.color-vector {
-							fill: var(--color-data-vector);
-						}
-
-						.color-raster {
-							fill: var(--color-data-raster);
+						.separator {
+							min-height: 0;
 						}
 					}
 				}
 
-				.spacer {
-					flex: 1 0 auto;
-					min-height: 20px;
-				}
-
 				.shelf-bottom-widgets {
 					flex: 0 0 auto;
+					align-items: center;
 
-					.widget-layout:first-of-type {
+					.graph-overlay-button-area {
 						height: auto;
 						align-items: center;
 					}
 
-					.widget-layout:last-of-type {
+					.working-colors-button-area {
 						height: auto;
+						margin: 0;
+						min-height: 0;
 
-						.widget-span.row {
-							min-height: 0;
+						.working-colors-button {
+							margin: 0;
+						}
 
-							.working-colors-button {
-								margin: 0;
-							}
-
-							.icon-button {
-								--widget-height: 0;
-							}
+						.icon-button {
+							--widget-height: 0;
 						}
 					}
 				}

frontend/src/components/panels/Layers.svelte

@@ -363,7 +363,6 @@
 			height: 32px;
 			flex: 0 0 auto;
 			margin: 0 4px;
-			align-items: center;
 
 			.widget-span {
 				width: 100%;

frontend/src/components/panels/Properties.svelte

@@ -30,23 +30,23 @@
 	<LayoutRow class="options-bar">
 		<WidgetLayout layout={propertiesOptionsLayout} />
 	</LayoutRow>
-	<LayoutRow class="sections" scrollableY={true}>
+	<LayoutCol class="sections" scrollableY={true}>
 		<WidgetLayout layout={propertiesSectionsLayout} />
-	</LayoutRow>
+	</LayoutCol>
 </LayoutCol>
 
 <style lang="scss" global>
 	.properties {
 		height: 100%;
-
-		.widget-layout {
-			flex: 1 1 100%;
-			margin: 0 4px;
-		}
+		flex: 1 1 100%;
 
 		.options-bar {
-			height: 32px;
-			flex: 0 0 auto;
+			min-height: 32px;
+			margin: 0 4px;
+
+			.widget-span {
+				width: 100%;
+			}
 		}
 
 		.sections {

frontend/src/components/widgets/WidgetLayout.svelte

@@ -8,29 +8,16 @@
 	let className = "";
 	export { className as class };
 	export let classes: Record<string, boolean> = {};
-
-	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
-		.join(" ");
 </script>
 
-<div class={`widget-layout ${className} ${extraClasses}`.trim()}>
-	{#each layout.layout as layoutGroup}
-		{#if isWidgetSpanRow(layoutGroup) || isWidgetSpanColumn(layoutGroup)}
-			<WidgetSpan widgetData={layoutGroup} layoutTarget={layout.layoutTarget} />
-		{:else if isWidgetSection(layoutGroup)}
-			<WidgetSection widgetData={layoutGroup} layoutTarget={layout.layoutTarget} />
-		{:else}
-			<span style="color: #d6536e">Error: The widget layout that belongs here has an invalid layout group type</span>
-		{/if}
-	{/each}
-</div>
+{#each layout.layout as layoutGroup}
+	{#if isWidgetSpanRow(layoutGroup) || isWidgetSpanColumn(layoutGroup)}
+		<WidgetSpan widgetData={layoutGroup} layoutTarget={layout.layoutTarget} class={className} {classes} />
+	{:else if isWidgetSection(layoutGroup)}
+		<WidgetSection widgetData={layoutGroup} layoutTarget={layout.layoutTarget} class={className} {classes} />
+	{:else}
+		<span style="color: #d6536e">Error: The widget layout that belongs here has an invalid layout group type</span>
+	{/if}
+{/each}
 
-<style lang="scss" global>
-	.widget-layout {
-		height: 100%;
-		flex: 0 0 auto;
-		display: flex;
-		flex-direction: column;
-	}
-</style>
+<style lang="scss" global></style>

frontend/src/components/widgets/WidgetSection.svelte

@@ -9,11 +9,15 @@
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	export let layoutTarget: any; // TODO: Give type
 
+	let className = "";
+	export { className as class };
+	export let classes: Record<string, boolean> = {};
+
 	let expanded = true;
 </script>
 
 <!-- TODO: Implement collapsable sections with properties system -->
-<LayoutCol class="widget-section">
+<LayoutCol class={`widget-section ${className}`.trim()} {classes}>
 	<button class="header" class:expanded on:click|stopPropagation={() => (expanded = !expanded)} tabindex="0">
 		<div class="expand-arrow" />
 		<TextLabel bold={true}>{widgetData.name}</TextLabel>
@@ -38,6 +42,7 @@
 <style lang="scss" global>
 	.widget-section {
 		flex: 0 0 auto;
+		margin: 0 4px;
 
 		.header {
 			text-align: left;

frontend/src/components/widgets/WidgetSpan.svelte

@@ -38,6 +38,14 @@
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	export let layoutTarget: any;
 
+	let className = "";
+	export { className as class };
+	export let classes: Record<string, boolean> = {};
+
+	$: extraClasses = Object.entries(classes)
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
+		.join(" ");
+
 	$: direction = watchDirection(widgetData);
 	$: widgets = watchWidgets(widgetData);
 	$: widgetsAndNextSiblingIsSuffix = watchWidgetsAndNextSiblingIsSuffix(widgets);
@@ -81,7 +89,7 @@
 <!-- TODO: Refactor this component to use `<svelte:component this={attributesObject} />` to avoid all the separate conditional components -->
 <!-- TODO: Also rename this component, and probably move the `widget-${direction}` wrapper to be part of `WidgetLayout.svelte` as part of its refactor -->
 
-<div class="widget-span" class:row={direction === "row"} class:column={direction === "column"}>
+<div class={`widget-span ${className} ${extraClasses}`.trim()} class:row={direction === "row"} class:column={direction === "column"}>
 	{#each widgetsAndNextSiblingIsSuffix as [component, nextIsSuffix], index}
 		{@const checkboxInput = narrowWidgetProps(component.props, "CheckboxInput")}
 		{#if checkboxInput}

frontend/src/components/widgets/buttons/IconButton.svelte

@@ -17,7 +17,7 @@
 	export let classes: Record<string, boolean> = {};
 
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 </script>
 

frontend/src/components/widgets/labels/IconLabel.svelte

@@ -14,7 +14,7 @@
 		return `size-${ICONS[icon].size}`;
 	})(icon);
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 </script>
 

frontend/src/components/widgets/labels/ImageLabel.svelte

@@ -11,7 +11,7 @@
 	export let tooltip: string | undefined = undefined;
 
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 </script>
 

frontend/src/components/widgets/labels/TextLabel.svelte

@@ -14,7 +14,7 @@
 	export let tooltip: string | undefined = undefined;
 
 	$: extraClasses = Object.entries(classes)
-		.flatMap((classAndState) => (classAndState[1] ? [classAndState[0]] : []))
+		.flatMap(([className, stateName]) => (stateName ? [className] : []))
 		.join(" ");
 	$: extraStyles = Object.entries(styles)
 		.flatMap((styleAndValue) => (styleAndValue[1] !== undefined ? [`${styleAndValue[0]}: ${styleAndValue[1]};`] : []))

frontend/src/components/window/workspace/Panel.svelte

@@ -178,7 +178,7 @@
 
 				.tab {
 					flex: 0 1 auto;
-					height: 100%;
+					height: 28px;
 					padding: 0 8px;
 					align-items: center;
 					position: relative;
@@ -216,7 +216,7 @@
 						white-space: nowrap;
 						text-overflow: ellipsis;
 						// Height and line-height required because https://stackoverflow.com/a/21611191/775283
-						height: 100%;
+						height: 28px;
 						line-height: 28px;
 					}
 

frontend/src/wasm-communication/messages.ts

@@ -1271,17 +1271,17 @@ export type LayoutGroup = WidgetSpanRow | WidgetSpanColumn | WidgetSection;
 
 export type WidgetSpanColumn = { columnWidgets: Widget[] };
 export function isWidgetSpanColumn(layoutColumn: LayoutGroup): layoutColumn is WidgetSpanColumn {
-	return Boolean((layoutColumn as WidgetSpanColumn).columnWidgets);
+	return Boolean((layoutColumn as WidgetSpanColumn)?.columnWidgets);
 }
 
 export type WidgetSpanRow = { rowWidgets: Widget[] };
 export function isWidgetSpanRow(layoutRow: LayoutGroup): layoutRow is WidgetSpanRow {
-	return Boolean((layoutRow as WidgetSpanRow).rowWidgets);
+	return Boolean((layoutRow as WidgetSpanRow)?.rowWidgets);
 }
 
 export type WidgetSection = { name: string; layout: LayoutGroup[] };
 export function isWidgetSection(layoutRow: LayoutGroup): layoutRow is WidgetSection {
-	return Boolean((layoutRow as WidgetSection).layout);
+	return Boolean((layoutRow as WidgetSection)?.layout);
 }
 
 // Unpacking rust types to more usable type in the frontend