How to use the imgui.input_text function in imgui

elif (metadata and metadata["type"] == 0) or (not metadata and v in DB.entities):
            changed, new_entity = imgui.combo(
                iden, DB.entities.index(v), DB.entities
            )
            if changed:
                return (ent, att, DB.entities[new_entity])
        elif (metadata and metadata["type"] == 2) or (not metadata and isinstance(v, int)):
            changed, new_value = imgui.input_int(iden, v)
            if changed:
                return (ent, att, new_value)
        elif (metadata and metadata["type"] == 3) or (not metadata and isinstance(v, float)):
            changed, new_value = imgui.input_float(iden, v)
            if changed:
                return (ent, att, new_value)
        elif (metadata and metadata["type"] == 1) or (not metadata and isinstance(v, str)):
            changed, new_value = imgui.input_text(
                iden,
                v,
                256,
                imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
            )
            if changed:
                return (ent, att, new_value)
    except Exception as e:
        print("--------")
        traceback.print_exc()
        print("--------")
        imgui.text_colored(str(v), 1, 0, 0, 1)
    if imgui.is_item_hovered() and metadata:
        imgui.begin_tooltip()
        imgui.text_colored("Type: ", 0, 0, 1, 1)
        imgui.same_line()

else:
            zoom_msg = ""
        msg = zoom_msg + image_type_msg
        imgui.text(msg)

        if im.can_show_big_viewport():
            imgui.same_line()
            if im.get_force_viewport_size():
                show_zoom_button("reset viewport", perform_reset_viewport_size)
            else:
                show_zoom_button("fit viewport", perform_force_viewport_size)
            imgui.new_line()
        # Save button
        # imgui.same_line()
        imgui.push_item_width(60)
        changed, im.filename = imgui.input_text(imgui_ext.make_unique_label(""), im.filename, 1000)
        imgui.same_line()
        if imgui.small_button(imgui_ext.make_unique_label("save")):
            cv2.imwrite(im.filename, im.image)
        # Show pixel color info
        if mouse_location is not None:
            color = zoomed_image[int(round(mouse_location.y)), int(round(mouse_location.x))]

            mouse2 = np.array([[mouse_location.x], [mouse_location.y], [1.]])
            pt_original = np.dot(numpy.linalg.inv(im.zoom_info.affine_transform), mouse2)
            position_msg = "({0},{1})".format(int(round(pt_original[0, 0])), int(round(pt_original[1, 0])))
            imgui.text(position_msg + " " + color_msg(color))
        else:
            imgui.text("")

    return mouse_location_original_image

def draw_ok_cancel_popup(ide, message="Type a Thing:"):
    if imgui.begin_popup(ide):
        if not ide in popup_registry:
            popup_registry[ide] = ""
        imgui.text(message)
        changed, popup_registry[ide] = imgui.input_text(
            "##" + ide,
            popup_registry[ide],
            26,
            imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
        )
        if changed or imgui.button("OK"):
            imgui.close_current_popup()
            val = popup_registry[ide]
            popup_registry[ide] = ""
            imgui.end_popup()
            return val
        imgui.same_line()
        if imgui.button("Cancel"):
            imgui.close_current_popup()
            popup_registry[ide] = ""
            imgui.end_popup()

data_attr = data_attr.lower().replace(" ", "_").replace("-", "_")
        changed, data_type = imgui.combo(
            "Value Type##data-type", data_type, DB.type_name
        )
        if changed and (data_type == 2 or data_type == 3 or data_type == 0):
            data_value = 0
        elif changed and data_type == 1:
            data_value = ""
        if data_type == 0:
            changed, data_value = imgui.combo(
                "Value##data-value-entity",
                data_value,
                DB.entities
            )
        elif data_type == 1:
            changed, data_value = imgui.input_text(
                'Value##data-value-string',
                data_value,
                256,
                imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
            )
        elif data_type == 2:
            changed, data_value = imgui.input_int(
                'Value##data-value-int',
                data_value
            )
        elif data_type == 3:
            changed, data_value = imgui.input_float(
                'Value##data-value-float',
                data_value
            )
        if imgui.button("OK") or imgui.get_io().keys_down[SDL_SCANCODE_RETURN]:

def draw_imgui_query_box(DB, monospace_font):
    global query_language, query_value, query_result, query_binds, data_entity, data_attr, data_type, data_value, query_error, new_query_result

    imgui.begin("Query...", False)
    imgui.push_item_width(100)
    clicked, query_language = imgui.combo(
        "##query-language", query_language, ["S-Expr", "NL"]
    )
    imgui.pop_item_width()
    imgui.same_line()
    if query_language == 0:
        imgui.push_font(monospace_font)
    changed, query_value = imgui.input_text(
        '##query-box',
        query_value,
        256,
        imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
    )
    if query_language == 0:
        imgui.pop_font()

    if query_binds == {}:
        imgui.text_colored("The results match, but no bindings were created", 0, 1, 0, 1)
    elif query_binds:
        draw_query(query_binds)
    elif query_binds is None and query_result:
        imgui.text_colored("Bindings empty but backtracker still present. Try clicking 'Next'", 0, 0, 1, 1)
    else:
        imgui.text("No results")

def draw_data_popup(DB, constant=False):
    global data_entity, data_attr, data_type, data_value, query_error
    if imgui.begin_popup("new-data"):
        if not constant:
            changed, data_entity = imgui.combo(
                "Entity##data-entity", data_entity, DB.entities
            )
        changed, data_attr = imgui.input_text(
            'Attribute##data-attr',
            data_attr,
            256,
        )
        data_attr = data_attr.lower().replace(" ", "_").replace("-", "_")
        changed, data_type = imgui.combo(
            "Value Type##data-type", data_type, DB.type_name
        )
        if changed and (data_type == 2 or data_type == 3 or data_type == 0):
            data_value = 0
        elif changed and data_type == 1:
            data_value = ""
        if data_type == 0:
            changed, data_value = imgui.combo(
                "Value##data-value-entity",
                data_value,

def draw_imgui_eav_database(DB):
    global table_error
    if SHOW_VARS['EAV']:
        _, opened = imgui.begin("EAV Database", True)
        SHOW_VARS['EAV'] = SHOW_VARS['EAV'] and opened
        changed, search_query["entity"] = imgui.input_text(
            "Search Entity##search",
            search_query["entity"],
            256,
            imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
        )
        changed, search_query["attribute"] = imgui.input_text(
            "Search Attribute##search-2",
            search_query["attribute"],
            26,
            imgui.INPUT_TEXT_ENTER_RETURNS_TRUE
        )

        imgui.columns(3, "EavDBAttributes")

        imgui.separator()
        imgui.text("entity")