st_button.py

# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2024)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import streamlit as st
from streamlit import runtime

# st.session_state can only be used in streamlit
if runtime.exists():

    def on_click(x, y):
        if "click_count" not in st.session_state:
            st.session_state.click_count = 0

        st.session_state.click_count += 1
        st.session_state.x = x
        st.session_state.y = y

    i1 = st.button(
        "button 1", key="button", on_click=on_click, args=(1,), kwargs={"y": 2}
    )
    st.write("value:", i1)
    st.write("value from state:", st.session_state["button"])

    button_was_clicked = "click_count" in st.session_state
    st.write("Button was clicked:", button_was_clicked)

    if button_was_clicked:
        st.write("times clicked:", st.session_state.click_count)
        st.write("arg value:", st.session_state.x)
        st.write("kwarg value:", st.session_state.y)

i2 = st.checkbox("reset button return value")

i3 = st.button("button 2 (disabled)", disabled=True)
st.write("value 2:", i3)

i4 = st.button("button 3 (primary)", type="primary")
st.write("value 3:", i4)

i5 = st.button("button 4 (primary + disabled)", type="primary", disabled=True)
st.write("value 4:", i5)

st.button("button 5 (container_width)", use_container_width=True)

st.button(
    "button 6 (container_width + help)", use_container_width=True, help="help text"
)

st.button(
    ":material/search: _button 7_ (**styled** :green[label]) :material/arrow_forward:"
)

st.button("Like Button", icon=":material/thumb_up:")
st.button("Star Button", icon="⭐")

cols = st.columns(3)

# Order of conn_types matters to preserve the order in st_button.spec.js and the snapshot
conn_types = [
    "snowflake",
    "bigquery",
    "huggingface",
    "aws_s3",
    "http_file",
    "postgresql",
    "gsheets",
    "custom",
]
for i in range(len(conn_types)):
    cols[i % 3].button(conn_types[i], use_container_width=True)