Allow propogation of fill_height through Rows and Tabs, via scale (#10372)

* changes

* add changeset

* changes

* add changeset

* changes

---------

Co-authored-by: Ali Abid <aliabid94@gmail.com>
Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>

.changeset/stale-bags-study.md

@@ -0,0 +1,8 @@
+---
+"@gradio/row": patch
+"@gradio/tabitem": patch
+"@gradio/tabs": patch
+"gradio": patch
+---
+
+fix:Allow propogation of fill_height through Rows and Tabs, via scale

demo/tabbed_interface_lite/run.ipynb

@@ -1 +1 @@
-{"cells": [{"cell_type": "markdown", "id": "302934307671667531413257853548643485645", "metadata": {}, "source": ["# Gradio Demo: tabbed_interface_lite"]}, {"cell_type": "code", "execution_count": null, "id": "272996653310673477252411125948039410165", "metadata": {}, "outputs": [], "source": ["!pip install -q gradio "]}, {"cell_type": "code", "execution_count": null, "id": "288918539441861185822528903084949547379", "metadata": {}, "outputs": [], "source": ["import gradio as gr\n", "\n", "hello_world = gr.Interface(lambda name: \"Hello \" + name, \"text\", \"text\")\n", "bye_world = gr.Interface(lambda name: \"Bye \" + name, \"text\", \"text\")\n", "\n", "demo = gr.TabbedInterface([hello_world, bye_world], [\"Hello World\", \"Bye World\"])\n", "\n", "if __name__ == \"__main__\":\n", "    demo.launch()\n"]}], "metadata": {}, "nbformat": 4, "nbformat_minor": 5}
+{"cells": [{"cell_type": "markdown", "id": "302934307671667531413257853548643485645", "metadata": {}, "source": ["# Gradio Demo: tabbed_interface_lite"]}, {"cell_type": "code", "execution_count": null, "id": "272996653310673477252411125948039410165", "metadata": {}, "outputs": [], "source": ["!pip install -q gradio "]}, {"cell_type": "code", "execution_count": null, "id": "288918539441861185822528903084949547379", "metadata": {}, "outputs": [], "source": ["import gradio as gr\n", "\n", "hello_world = gr.Interface(lambda name: \"Hello \" + name, \"text\", \"text\")\n", "bye_world = gr.Interface(lambda name: \"Bye \" + name, \"text\", \"text\")\n", "chat = gr.ChatInterface(lambda *args: \"Hello \" + args[0])\n", "\n", "demo = gr.TabbedInterface([hello_world, bye_world, chat], [\"Hello World\", \"Bye World\", \"Chat\"])\n", "\n", "if __name__ == \"__main__\":\n", "    demo.launch()\n"]}], "metadata": {}, "nbformat": 4, "nbformat_minor": 5}

demo/tabbed_interface_lite/run.py

@@ -2,8 +2,9 @@ import gradio as gr
 
 hello_world = gr.Interface(lambda name: "Hello " + name, "text", "text")
 bye_world = gr.Interface(lambda name: "Bye " + name, "text", "text")
+chat = gr.ChatInterface(lambda *args: "Hello " + args[0])
 
-demo = gr.TabbedInterface([hello_world, bye_world], ["Hello World", "Bye World"])
+demo = gr.TabbedInterface([hello_world, bye_world, chat], ["Hello World", "Bye World", "Chat"])
 
 if __name__ == "__main__":
     demo.launch()

gradio/chat_interface.py

@@ -260,7 +260,7 @@ class ChatInterface(Blocks):
             with Column():
                 self._render_header()
                 if self.save_history:
-                    with Row():
+                    with Row(scale=1):
                         self._render_history_area()
                         with Column(scale=6):
                             self._render_chatbot_area(
@@ -288,6 +288,7 @@ class ChatInterface(Blocks):
                 variant="primary",
                 size="md",
                 icon=utils.get_icon_path("plus.svg"),
+                # scale=0,
             )
             self.chat_history_dataset = Dataset(
                 components=[Textbox(visible=False)],

gradio/interface.py

@@ -971,6 +971,7 @@ class TabbedInterface(Blocks):
             css=css,
             js=js,
             head=head,
+            fill_height=True,
         )
         if tab_names is None:
             tab_names = [f"Tab {i}" for i in range(len(interface_list))]
@@ -981,7 +982,10 @@ class TabbedInterface(Blocks):
                 )
             with Tabs():
                 for interface, tab_name in zip(interface_list, tab_names, strict=False):
-                    with Tab(label=tab_name):
+                    with Tab(
+                        label=tab_name,
+                        scale=1 if interface.fill_height else 0,
+                    ):
                         interface.render()
 
 

gradio/layouts/row.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import warnings
 from typing import Literal
 
 from gradio_client.documentation import document
@@ -30,6 +31,7 @@ class Row(BlockContext, metaclass=ComponentMeta):
         visible: bool = True,
         elem_id: str | None = None,
         elem_classes: list[str] | str | None = None,
+        scale: int = 0,
         render: bool = True,
         height: int | str | None = None,
         max_height: int | str | None = None,
@@ -43,6 +45,7 @@ class Row(BlockContext, metaclass=ComponentMeta):
             visible: If False, row will be hidden.
             elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
             elem_classes: An optional string or list of strings that are assigned as the class of this component in the HTML DOM. Can be used for targeting CSS styles.
+            scale: relative height compared to adjacent elements. 1 or greater indicates the Row will expand in height, and any child columns will also expand to fill the height.
             render: If False, this layout will not be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
             height: The height of the row, specified in pixels if a number is passed, or in CSS units if a string is passed. If content exceeds the height, the row will scroll vertically. If not set, the row will expand to fit the content.
             max_height: The maximum height of the row, specified in pixels if a number is passed, or in CSS units if a string is passed. If content exceeds the height, the row will scroll vertically. If content is shorter than the height, the row will shrink to fit the content. Will not have any effect if `height` is set and is smaller than `max_height`.
@@ -58,6 +61,12 @@ class Row(BlockContext, metaclass=ComponentMeta):
         self.height = height
         self.max_height = max_height
         self.min_height = min_height
+        if scale != round(scale):
+            warnings.warn(
+                f"'scale' value should be an integer. Using {scale} will cause issues."
+            )
+
+        self.scale = scale
 
         BlockContext.__init__(
             self,

gradio/layouts/tabs.py

@@ -67,6 +67,7 @@ class Tab(BlockContext, metaclass=ComponentMeta):
         id: int | str | None = None,
         elem_id: str | None = None,
         elem_classes: list[str] | str | None = None,
+        scale: int = 0,
         render: bool = True,
     ):
         """
@@ -76,6 +77,7 @@ class Tab(BlockContext, metaclass=ComponentMeta):
             elem_id: An optional string that is assigned as the id of the <div> containing the contents of the Tab layout. The same string followed by "-button" is attached to the Tab button. Can be used for targeting CSS styles.
             elem_classes: An optional string or list of strings that are assigned as the class of this component in the HTML DOM. Can be used for targeting CSS styles.
             render: If False, this layout will not be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
+            scale: relative size compared to adjacent elements. 1 or greater indicates the Tab will expand in size.
             visible: If False, Tab will be hidden.
             interactive: If False, Tab will not be clickable.
         """
@@ -88,6 +90,7 @@ class Tab(BlockContext, metaclass=ComponentMeta):
         self.label = label
         self.id = id
         self.visible = visible
+        self.scale = scale
         self.interactive = interactive
 
     def get_expected_parent(self) -> type[Tabs]:

js/row/Index.svelte

@@ -14,6 +14,7 @@
 	export let height: number | string | undefined;
 	export let min_height: number | string | undefined;
 	export let max_height: number | string | undefined;
+	export let scale: number | null = null;
 
 	const get_dimension = (
 		dimension_value: string | number | undefined
@@ -35,9 +36,11 @@
 	class:unequal-height={equal_height === false}
 	class:stretch={equal_height}
 	class:hide={!visible}
+	class:grow-children={scale && scale >= 1}
 	style:height={get_dimension(height)}
 	style:max-height={get_dimension(max_height)}
 	style:min-height={get_dimension(min_height)}
+	style:flex-grow={scale}
 	id={elem_id}
 	class="row {elem_classes.join(' ')}"
 >
@@ -98,4 +101,8 @@
 		flex-wrap: wrap;
 		min-width: min(160px, 100%);
 	}
+
+	.grow-children > :global(.column) {
+		align-self: stretch;
+	}
 </style>

js/tabitem/Index.svelte

@@ -18,6 +18,7 @@
 	export let visible = true;
 	export let interactive = true;
 	export let order: number;
+	export let scale: number;
 </script>
 
 <TabItem
@@ -28,6 +29,7 @@
 	{interactive}
 	{id}
 	{order}
+	{scale}
 	on:select={({ detail }) => gradio?.dispatch("select", detail)}
 >
 	<slot />

js/tabitem/shared/TabItem.svelte

@@ -11,6 +11,7 @@
 	export let visible: boolean;
 	export let interactive: boolean;
 	export let order: number;
+	export let scale: number;
 
 	const dispatch = createEventDispatcher<{ select: SelectData }>();
 
@@ -20,7 +21,7 @@
 	let tab_index: number;
 
 	$: tab_index = register_tab(
-		{ label, id, elem_id, visible, interactive },
+		{ label, id, elem_id, visible, interactive, scale },
 		order
 	);
 
@@ -36,10 +37,12 @@
 <div
 	id={elem_id}
 	class="tabitem {elem_classes.join(' ')}"
-	style:display={$selected_tab === id && visible ? "block" : "none"}
+	class:grow-children={scale >= 1}
+	style:display={$selected_tab === id && visible ? "flex" : "none"}
+	style:flex-grow={scale}
 	role="tabpanel"
 >
-	<Column>
+	<Column scale={scale >= 1 ? scale : null}>
 		<slot />
 	</Column>
 </div>
@@ -48,7 +51,8 @@
 
 <style>
 	div {
-		display: block;
+		display: flex;
+		flex-direction: column;
 		position: relative;
 		border: none;
 		border-radius: var(--radius-sm);
@@ -56,4 +60,7 @@
 		width: 100%;
 		box-sizing: border-box;
 	}
+	.grow-children > :global(.column > .column) {
+		flex-grow: 1;
+	}
 </style>

js/tabs/Tabs.stories.svelte

@@ -16,6 +16,7 @@
 			visible
 			interactive
 			elem_classes={["editor-tabitem"]}
+			scale={0}
 		>
 			<img
 				style="width: 200px;"
@@ -31,6 +32,7 @@
 			visible={false}
 			interactive
 			elem_classes={["editor-tabitem"]}
+			scale={0}
 		>
 			Secret Tab
 		</TabItem>
@@ -42,6 +44,7 @@
 			visible
 			interactive
 			elem_classes={["editor-tabitem"]}
+			scale={0}
 		>
 			Visible Tab
 		</TabItem>

js/tabs/shared/Tabs.svelte

@@ -7,6 +7,7 @@
 		elem_id: string | undefined;
 		visible: boolean;
 		interactive: boolean;
+		scale: number | null;
 	}
 </script>
 
@@ -60,6 +61,7 @@
 
 			if ($selected_tab === false && tab.visible && tab.interactive) {
 				$selected_tab = tab.id;
+				$selected_tab_index = order;
 			}
 			return order;
 		},
@@ -153,6 +155,9 @@
 		});
 		return tab_sizes;
 	}
+
+	$: tab_scale =
+		tabs[$selected_tab_index >= 0 ? $selected_tab_index : 0]?.scale;
 </script>
 
 <svelte:window
@@ -160,7 +165,12 @@
 	on:click={handle_outside_click}
 />
 
-<div class="tabs {elem_classes.join(' ')}" class:hide={!visible} id={elem_id}>
+<div
+	class="tabs {elem_classes.join(' ')}"
+	class:hide={!visible}
+	id={elem_id}
+	style:flex-grow={tab_scale}
+>
 	{#if has_tabs}
 		<div class="tab-wrapper">
 			<div class="tab-container visually-hidden" aria-hidden="true">