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Layout in Mesop is very similar to using HTML and CSS for styling, so you can use
your expertise in HTML / CSS to layout Mesop apps.
Note that there are some limitations and differences. You will need to use me.box as a
replacement for HTML tags such as divs, span, header, aside, etc. The me.box component
behaves most close to a div.
Mesop also relies on inline styles. It also does not support all css styles yet, so you
will need to check the me.Style API for what is supported.
Here is an example of a layout in HTML/CSS.
First the CSS:
```css
<style>
.container {
display: flex;
flex-direction: column;
height: 100vh;
}
.header {
background-color: #333;
color: white;
padding: 1rem;
}
.content {
display: flex;
flex: 1;
}
.sidebar {
background-color: #f0f0f0;
width: 200px;
padding: 1rem;
}
.main {
flex: 1;
padding: 1rem;
}
</style>
```
Next the HTML:
```html
<div class="container">
<div class="header">
<h1>My Website</h1>
</div>
<div class="content">
<div class="sidebar">
<h2>Sidebar</h2>
<p>Sidebar content</p>
</div>
<div class="main">
<h2>Main Content</h2>
<p>This is the main content area. You can add your page-specific content here.</p>
</div>
</div>
</div>
```
In Mesop, this looks like:
```python
import mesop as me
STYLE_CONTAINER = me.Style(
display="flex",
flex_direction="column",
height="100vh",
)
STYLE_HEADER = me.Style(
background="#333",
color="white",
padding=me.Padding.all("1rem"),
)
STYLE_CONTENT = me.Style(
display="flex",
flex_grow=1,
)
STYLE_SIDEBAR = me.Style(
background="#f0f0f0",
width="200px",
padding=me.Padding.all("1rem"),
)
STYLE_MAIN = me.Style(
flex_grow=1,
padding=me.Padding.all("1rem"),
)
@me.page()
def app():
with me.box(style=STYLE_CONTAINER):
with me.box(style=STYLE_HEADER):
me.text("My Website", type="headline-4")
with me.box(style=STYLE_CONTENT):
with me.box(style=STYLE_SIDEBAR):
me.text("Sidebar", type="headline-5")
me.text("Sidebar content")
with me.box(style=STYLE_MAIN):
me.text("Main Content", type="headline-5")
me.text("This is the main content area. You can add your page-specific content here")
```
This section provides examples of elements that can be used for composing chat UIs in Mesop. Each example is wrapped in <example> tags.
<example>
# This file provides examples for creating sidebars.
import mesop as me
# This is an example of a sidebar on the left. It is compact and uses icons.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/sidebar-example-1",
)
def sidebar_example_1():
# Create a two column grid. Since the sidebar is the on left, we make that column
# very thin using a 1fr to 50fr ratio.
with me.box(
style=me.Style(
display="grid", grid_template_columns="1fr 50fr", height="100vh"
)
):
# This block is the code for the sidebar
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
horizontal=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
height="100%",
)
):
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.tooltip(message="Home tooltip"):
me.icon("home")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.tooltip(message="Search tooltip"):
me.icon("search")
# This block is for the main content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Main body content goes here")
# This is an example of a sidebar on the right. This sidebar is less compact and uses
# icon and text labels.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/sidebar-example-2",
)
def sidebar_example_2():
# Create a two column grid. Since the sidebar is the on right, we make the right column
# very thin using a 50fr to 1fr ratio.
with me.box(
style=me.Style(
display="grid", grid_template_columns="50fr 1fr", height="100vh"
)
):
# This block is for the main content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Main body content goes here")
# This block is the code for the sidebar
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
horizontal=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
height="100%",
)
):
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("home")
me.text("Home")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("search")
me.text("Search")
# This is an example of a sidebar that expands and collapses.
@me.stateclass
class State:
# Controls whether the sidebar menu is expanded or collapsed
sidebar_expanded: bool = True
def on_click_menu_icon(e: me.ClickEvent):
state = me.state(State)
state.sidebar_expanded = not state.sidebar_expanded
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/sidebar-example-3",
)
def sidebar_example_3():
state = me.state(State)
with me.box(
style=me.Style(
display="grid", grid_template_columns="1fr 50fr", height="100vh"
)
):
# This block is the code for the sidebar
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
horizontal=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
height="100%",
)
):
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
# Event handler to expand/collapse the sidebar.
on_click=on_click_menu_icon,
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
me.icon("menu")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
if state.sidebar_expanded:
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("home")
me.text("Home")
else:
with me.tooltip(message="Home tooltip"):
me.icon("home")
# This block is code for the sidebar menu item.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
if state.sidebar_expanded:
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("search")
me.text("Search")
else:
with me.tooltip(message="Search tooltip"):
me.icon("search")
# This block is for the main content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Main body content goes here")
<example>
<example>
# This file provides examples for creating headers.
import mesop as me
# This is an example of a two section header a fluid width
# header with a title on the left and some example buttons
# on the right.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/header-example-1",
)
def headers_example_1():
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
vertical=me.BorderSide(
width=1,
style="solid",
color=me.theme_var("outline-variant"),
)
),
padding=me.Padding.all(10),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
me.text(
"Your Title Here",
type="headline-6",
style=me.Style(margin=me.Margin(bottom=0)),
)
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Home")
me.button("About")
me.button("FAQ")
# This is an example of a three section header a fluid width
# header with a title on the left, some example buttons
# on the center, and a example button on the right.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/header-example-2",
)
def headers_example_2():
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
vertical=me.BorderSide(
width=1,
style="solid",
color=me.theme_var("outline-variant"),
)
),
padding=me.Padding.all(10),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
me.text(
"Your Title Here",
type="headline-6",
style=me.Style(margin=me.Margin(bottom=0)),
)
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Home")
me.button("About")
me.button("FAQ")
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Login", type="flat")
# This is an example of a centered header with no title and
# custom icon buttons.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/header-example-3",
)
def headers_example_3():
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
vertical=me.BorderSide(
width=1,
style="solid",
color=me.theme_var("outline-variant"),
)
),
padding=me.Padding.all(10),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="center",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="center",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
with me.content_button(
style=me.Style(
padding=me.Padding.symmetric(vertical=30, horizontal=25)
)
):
me.icon("home")
me.text("Home")
with me.content_button(
style=me.Style(
padding=me.Padding.symmetric(vertical=30, horizontal=25)
)
):
me.icon("info")
me.text("About")
with me.content_button(
style=me.Style(
padding=me.Padding.symmetric(vertical=30, horizontal=25)
)
):
me.icon("contact_support")
me.text("FAQ")
with me.content_button(
style=me.Style(
padding=me.Padding.symmetric(vertical=30, horizontal=25)
)
):
me.icon("login")
me.text("Login")
<example>
<example>
# This file provides examples for creating layouts.
import mesop as me
# This is an example of a layout with a header and sidebar that is below the header.
# There are also two columns
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/layout-example-1",
)
def layout_example_1():
# This is the grid that manages the layout.
with me.box(
style=me.Style(
display="grid",
# First column is for the sidebar which is why we use 1fr.
# The other two columns are equal width.
grid_template_columns="1fr 50fr 50fr",
# First row is for the header which is why we use 1fr.
grid_template_rows="1fr 50fr",
height="100vh",
)
):
with me.box(
style=me.Style(
# Since the grid defines three columns, we need to span the header across all
# columns.
grid_column="1 / -1",
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
vertical=me.BorderSide(
width=1,
style="solid",
color=me.theme_var("outline-variant"),
)
),
padding=me.Padding.all(10),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
me.text(
"Your Title Here",
type="headline-6",
style=me.Style(margin=me.Margin(bottom=0)),
)
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Home")
me.button("About")
me.button("FAQ")
# This block is the code for the sidebar
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
horizontal=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
height="100%",
)
):
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.tooltip(message="Home tooltip"):
me.icon("home")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
border=me.Border(
bottom=me.BorderSide(
width=1, color=me.theme_var("outline-variant"), style="solid"
)
),
cursor="pointer",
padding=me.Padding.all(15),
),
):
with me.tooltip(message="Search tooltip"):
me.icon("search")
# This block is for the first column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("First column body content goes here")
# This block is for the second column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Second column body content goes here")
# This is an example of a layout with header and sidebar at the same level.
# The sidebar also expands and collapses.
@me.stateclass
class State:
# Controls whether the sidebar menu is expanded or collapsed
sidebar_expanded: bool = True
def on_click_menu_icon(e: me.ClickEvent):
state = me.state(State)
state.sidebar_expanded = not state.sidebar_expanded
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/layout-example-2",
)
def layout_example_2():
state = me.state(State)
# This is the grid that manages the layout.
with me.box(
style=me.Style(
display="grid",
# First column is for the sidebar which is why we use 1fr.
grid_template_columns="1fr 50fr",
# First row is for the header which is why we use 1fr.
grid_template_rows="1fr 50fr",
height="100vh",
)
):
# This block is the code for the sidebar
with me.box(
style=me.Style(
grid_row="1 / -1",
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
horizontal=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
height="100%",
)
):
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
# Event handler to expand/collapse the sidebar.
on_click=on_click_menu_icon,
style=me.Style(
cursor="pointer",
padding=me.Padding.all(15),
),
):
me.icon("menu")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
cursor="pointer",
padding=me.Padding.all(15),
),
):
if state.sidebar_expanded:
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("home")
me.text("Home")
else:
with me.tooltip(message="Home tooltip"):
me.icon("home")
# This block is code for the sidebar menu item.
# It needs click event handlers to add interaction.
with me.box(
style=me.Style(
cursor="pointer",
padding=me.Padding.all(15),
),
):
if state.sidebar_expanded:
with me.box(
style=me.Style(
display="flex",
align_items="center",
gap=5,
)
):
me.icon("search")
me.text("Search")
else:
with me.tooltip(message="Search tooltip"):
me.icon("search")
with me.box(
style=me.Style(
background=me.theme_var("surface-container"),
padding=me.Padding.all(10),
border=me.Border(
bottom=me.BorderSide(
width=1, style="solid", color=me.theme_var("outline-variant")
)
),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
me.text(
"Your Title Here",
type="headline-6",
style=me.Style(margin=me.Margin(bottom=0)),
)
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Home")
me.button("About")
me.button("FAQ")
# This block is for the main content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Main body content goes here")
# This is an example of a layout with a header, no sidebar, and four content columns
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/layout-example-3",
)
def layout_example_3():
# This is the grid that manages the layout.
with me.box(
style=me.Style(
display="grid",
# Three columns
grid_template_columns="1fr 1fr 1fr 1fr",
# First row is for the header which is why we use 1fr to 50fr.
grid_template_rows="1fr 50fr",
height="100vh",
)
):
with me.box(
style=me.Style(
# Since the grid defines four columns, we need to span the header across all
# columns.
grid_column="1 / -1",
background=me.theme_var("surface-container"),
border=me.Border.symmetric(
vertical=me.BorderSide(
width=1,
style="solid",
color=me.theme_var("outline-variant"),
)
),
padding=me.Padding.all(10),
)
):
is_mobile = me.viewport_size().width < 640
if is_mobile:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
else:
default_flex_style = me.Style(
align_items="center",
display="flex",
gap=5,
justify_content="space-between",
)
with me.box(style=default_flex_style):
with me.box(style=me.Style(display="flex", gap=5)):
me.text(
"Your Title Here",
type="headline-6",
style=me.Style(margin=me.Margin(bottom=0)),
)
with me.box(style=me.Style(display="flex", gap=5)):
me.button("Home")
me.button("About")
me.button("FAQ")
# This block is for the first column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("First column body content goes here")
# This block is for the second column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Second column body content goes here")
# This block is for the third column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Third column body content goes here")
# This block is for the fourth column content to be added.
with me.box(style=me.Style(margin=me.Margin.all(15))):
me.text("Fourth column body content goes here")
<example>
<example>
# Examples of chat messages for chat bot interfaces
import mesop as me
USER_PLACEHOLDER_TEXT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. In et lectus nec lorem pretium euismod?"
BOT_PLACEHOLDER_TEXT = """
# Fusce in dui mi. Cras enim metus
Maximus sit amet ultrices at, *viverra* vitae ante. Curabitur auctor ut eros id commodo.
Sed ultricies ornare lectus dictum facilisis. Aenean malesuada sed nisi id tempor.
- Mauris aliquet volutpat pretium.
- Nulla dapibus nibh id nisi mollis efficitur.
Vivamus ac **commodo** elit. Nunc dictum mauris sit amet mollis posuere. Nulla fringilla,
nunc sed varius posuere, augue nibh imperdiet lorem, rutrum lobortis leo leo sit amet sem.
""".strip()
# Example of a minimalist chat messages. Each row has the user indicator on the left and
# the corresponding markdown message on the right side. The message use the default
# background.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-msg-example-1",
)
def chat_msg_example_1():
# User chat message
with me.box(
style=me.Style(
color=me.theme_var("on-surface"),
background=me.theme_var("surface-container-lowest"),
)
):
with me.box(
style=me.Style(display="flex", gap=15, margin=me.Margin.all(20))
):
# User avatar/icon box
me.text(
"U",
style=me.Style(
background=me.theme_var("primary"),
border_radius="50%",
color=me.theme_var("on-primary"),
font_size=20,
height=40,
width=40,
text_align="center",
line_height="1",
padding=me.Padding(top=10),
margin=me.Margin(top=16),
),
)
# User query
me.markdown(USER_PLACEHOLDER_TEXT)
# Bot chat message
with me.box(
style=me.Style(display="flex", gap=15, margin=me.Margin.all(20))
):
# Bot avatar/icon box
me.text(
"B",
style=me.Style(
background=me.theme_var("secondary"),
border_radius="50%",
color=me.theme_var("on-secondary"),
font_size=20,
height=40,
width=40,
text_align="center",
line_height="1",
padding=me.Padding(top=10),
margin=me.Margin(top=16),
),
)
# Bot message response
me.markdown(
BOT_PLACEHOLDER_TEXT, style=me.Style(color=me.theme_var("on-surface"))
)
# Example of alternating bubble chat messages.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-msg-example-2",
)
def chat_msg_example_2():
with me.box(
style=me.Style(
color=me.theme_var("on-surface"),
background=me.theme_var("surface-container-lowest"),
)
):
# User chat message
with me.box(
style=me.Style(
display="flex", justify_content="end", gap=15, margin=me.Margin.all(20)
)
):
# Add right aligned message bubble
with me.box(
style=me.Style(
border_radius=15,
background=me.theme_var("primary-container"),
color=me.theme_var("on-primary-container"),
padding=me.Padding.all(10),
width="66%",
)
):
me.markdown(USER_PLACEHOLDER_TEXT)
# Bot chat message
with me.box(style=me.Style(margin=me.Margin.all(20))):
# Bot name label
me.text(
"Bot",
style=me.Style(
font_weight="bold", font_size=16, margin=me.Margin(left=15)
),
)
# Add left aligned message bubble
with me.box(
style=me.Style(
border_radius=15,
background=me.theme_var("secondary-container"),
color=me.theme_var("on-secondary-container"),
padding=me.Padding.all(10),
width="66%",
)
):
me.markdown(
BOT_PLACEHOLDER_TEXT,
style=me.Style(color=me.theme_var("on-secondary-container")),
)
# Example of a chat messages that also returns an image.
# background.
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-msg-example-3",
)
def chat_msg_example_3():
# User chat message
with me.box(
style=me.Style(
color=me.theme_var("on-surface"),
background=me.theme_var("surface-container-lowest"),
)
):
with me.box(
style=me.Style(display="flex", gap=15, margin=me.Margin.all(20))
):
# User avatar/icon box
me.text(
"U",
style=me.Style(
background=me.theme_var("primary"),
border_radius="50%",
color=me.theme_var("on-primary"),
font_size=20,
height=40,
width=40,
text_align="center",
line_height="1",
padding=me.Padding(top=10),
margin=me.Margin(top=16),
),
)
# User query
me.markdown(USER_PLACEHOLDER_TEXT)
# Bot chat message
with me.box(
style=me.Style(display="flex", gap=15, margin=me.Margin.all(20))
):
# Bot avatar/icon box
me.text(
"B",
style=me.Style(
background=me.theme_var("secondary"),
border_radius="50%",
color=me.theme_var("on-secondary"),
font_size=20,
height=40,
width=40,
text_align="center",
line_height="1",
padding=me.Padding(top=10),
margin=me.Margin(top=16),
),
)
# Bot image response
me.image(
src="https://interactive-examples.mdn.mozilla.net/media/cc0-images/grapefruit-slice-332-332.jpg",
alt="Grapefruit",
style=me.Style(width="100%"),
)
<example>
<example>
# Examples of inputs for chat bot interfaces
import mesop as me
# Example using a normal textarea and button
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-inputs-example-1",
)
def chat_input_1():
with me.box(style=me.Style(display="flex", width="100%", gap=10)):
with me.box(style=me.Style(flex_grow=1)):
me.textarea(
placeholder="Default chat input",
style=me.Style(width="100%"),
rows=2,
)
me.button("Send", type="flat")
# Example using a subtly styled textarea and buttons
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-inputs-example-2",
)
def chat_input_2():
with me.box(
style=me.Style(
color=me.theme_var("on-surface-variant"),
border_radius=16,
padding=me.Padding.all(8),
background=me.theme_var("surface-container-low"),
display="flex",
width="100%",
)
):
with me.box(
style=me.Style(
flex_grow=1,
)
):
me.native_textarea(
autosize=True,
min_rows=4,
placeholder="Subtle chat input",
style=me.Style(
color=me.theme_var("on-surface-variant"),
padding=me.Padding(top=16, left=16),
background=me.theme_var("surface-container-low"),
outline="none",
width="100%",
overflow_y="auto",
border=me.Border.all(
me.BorderSide(style="none"),
),
),
)
with me.content_button(type="icon"):
me.icon("upload")
with me.content_button(type="icon"):
me.icon("photo")
with me.content_button(type="icon"):
me.icon("send")
# Example using a elevated styled textarea and buttons
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-inputs-example-3",
)
def chat_input_3():
with me.box(
style=me.Style(
padding=me.Padding.all(8),
background=me.theme_var("surface-container-lowest"),
display="flex",
width="100%",
border=me.Border.all(
me.BorderSide(width=0, style="solid", color=me.theme_var("outline"))
),
box_shadow="0 10px 20px #0000000a, 0 2px 6px #0000000a, 0 0 1px #0000000a",
)
):
with me.box(
style=me.Style(
flex_grow=1,
)
):
me.native_textarea(
autosize=True,
min_rows=4,
placeholder="Elevated chat input",
style=me.Style(
color=me.theme_var("on-surface-variant"),
font_family="monospace",
padding=me.Padding(top=16, left=16),
background=me.theme_var("surface-container-lowest"),
outline="none",
width="100%",
overflow_y="auto",
border=me.Border.all(
me.BorderSide(style="none"),
),
),
)
with me.content_button(type="icon"):
me.icon("upload")
with me.content_button(type="icon"):
me.icon("photo")
with me.content_button(type="icon"):
me.icon("send")
<example>
<example>
# Examples of icon buttons that may be useful for chat UIs.
# Note: These buttons event handler functions.
import mesop as me
@me.page(
security_policy=me.SecurityPolicy(
allowed_iframe_parents=["https://google.github.io"]
),
path="/ai/chat-buttons-example-1",
)
def chat_buttons_examples():
# The thumb_up icon is good for rating responses positively
# This example also shows how to add a tooltip around the the icon button
with me.tooltip(message="Good response", position="above"):
with me.content_button(type="icon"):
me.icon("thumb_up")
# The thumb_down icon is good for rating responses negatively
with me.content_button(type="icon"):
me.icon("thumb_down")
# The add icon is good for starting/resetting a chat
with me.content_button(type="icon"):
me.icon("add")
# The restart_alt icon is good for regenerating a messsage
with me.content_button(type="icon"):
me.icon("restart_alt")
# The dark_mode icon is good for dark mode
with me.content_button(type="icon"):
me.icon("dark_mode")
# The light_mode icon is good for light mode
with me.content_button(type="icon"):
me.icon("light_mode")
# The send icon is good for a button that submits user queries
with me.content_button(type="icon"):
me.icon("send")
<example>
|