refactor: change import and function signature

SignalReduce model import has been added instead Infobar.
Return value in function signature has been changed (Option<[f64; 6]> ->
Result<SignalReduce, ParseFloarError>).

Cargo.lock

@@ -463,12 +463,6 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
-[[package]]
-name = "hermit-abi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
-
 [[package]]
 name = "indexmap"
 version = "2.2.6"
@@ -523,9 +517,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.153"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "memchr"
@@ -551,16 +545,6 @@ dependencies = [
  "adler",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "object"
 version = "0.32.2"
@@ -803,21 +787,20 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.37.0"
+version = "1.39.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787"
+checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
 dependencies = [
  "backtrace",
- "num_cpus",
  "pin-project-lite",
  "tokio-macros",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.2.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -9,5 +9,5 @@ edition = "2021"
 adw = { version = "0.6.0", package = "libadwaita", features = ["v1_4"] }
 bitvec = "1.0.1"
 gtk4 = "0.8.1"
-tokio = { version = "1.0.0", features = ["rt", "time", "rt-multi-thread", "macros"] }
+tokio = { version = "1.39.2", features = ["rt", "time", "rt-multi-thread", "macros", "sync"] }
 

src/controller/controller.rs

@@ -1,8 +1,8 @@
 use gtk::*;
 use gtk4 as gtk;
 
-pub fn state_controller(switch: &Switch, label: &Label) -> () {
-    if switch.state() == true {
+pub fn state_controller(switch: &Switch, label: &Label) {
+    if switch.state() {
         label.set_label("Режим: проверка");
     } else {
         label.set_label("Режим: кодирование");

src/controller/event_handlers/button_event_handlers.rs

@@ -4,7 +4,7 @@ impl<F, C> EventHandler<F, C>
 where
     F: Fn(&C) + FnOnce(&C) + FnMut(&C),
 {
-    pub fn new(component: C, callback: F) -> EventHandler<F, C> {
+    pub fn new(component: C, callback: F) -> Self {
         Self {
             component,
             callback,
@@ -13,7 +13,7 @@ where
 }
 
 pub trait BtnEventHandler {
-    fn on_click(self) -> ();
+    fn on_click(self);
 }
 
 impl<F, C> BtnEventHandler for EventHandler<F, C>
@@ -21,7 +21,7 @@ where
     F: Fn(&C) + FnOnce(&C) + FnMut(&C) + 'static,
     C: ButtonExt + WidgetExt,
 {
-    fn on_click(self) -> () {
+    fn on_click(self) {
         self.component
             .connect_clicked(move |button| (self.callback)(button));
     }

src/controller/event_handlers/switch_event_handlers.rs

@@ -1,7 +1,7 @@
 use crate::{gtk::prelude::*, model::models::*, view::components::switch::SwitchExt};
 
 pub trait SwEventHandler {
-    fn on_toggle(self) -> ();
+    fn on_toggle(self);
 }
 
 impl<F, C> SwEventHandler for EventHandler<F, C>
@@ -9,7 +9,7 @@ where
     F: Fn(&C) + FnOnce(&C) + FnMut(&C) + 'static,
     C: SwitchExt + WidgetExt,
 {
-    fn on_toggle(self) -> () {
+    fn on_toggle(self) {
         self.component
             .connect_state_notify(move |switch| (self.callback)(switch));
     }

src/controller/model_utils/hamming_code_seven_four.rs

@@ -41,7 +41,7 @@ pub fn hamming(raw_input: String, mode: HammingMode) -> Result<String, String> {
             HammingMode::Decrypt => hamming_decrypt_data(&prepared_data, &mut data, length_of_code),
         }
 
-        return Ok(data);
+        Ok(data)
     }
 }
 
@@ -97,7 +97,7 @@ pub fn hamming_decrypt_data(data: &Vec<u8>, result_string: &mut String, length_o
                 .unwrap()
                 .0;
 
-            let uncorrect_code: String = from_vec_bits_to_string(&data_bits);
+            let uncorrect_code: String = from_vec_bits_to_string(data_bits);
             let correct_code: String = from_vec_bits_to_string(
                 data_bits
                     .iter()
@@ -125,8 +125,8 @@ pub fn hamming_decrypt_data(data: &Vec<u8>, result_string: &mut String, length_o
         }
     }
 
-    if data.len() > 0 {
-        if errors.len() == 0 {
+    if !data.is_empty() {
+        if errors.is_empty() {
             result_string.push_str("Все коды корректны.");
         } else {
             result_string.push_str(errors.as_str());

src/controller/model_utils/signal_reducer.rs

@@ -1,15 +1,31 @@
+#[allow(non_snake_case)]
 pub fn reactive_resistance_of_capacitor(Cm: f64, L: f64, f: f64) -> f64 {
+    if f == 0.0 || Cm == 0.0 || L == 0.0 {
+        0.0
+    } else {
         1f64 / (2f64 * std::f64::consts::PI * f * Cm * L)
     }
+}
 
+#[allow(non_snake_case)]
 pub fn full_resistance_of_capacitor(Xc: f64, Rs: f64, Rm: f64, L: f64) -> f64 {
     (Xc.powf(2f64) + (Rs + Rm * L).powf(2f64)).sqrt()
 }
 
+#[allow(non_snake_case)]
 pub fn voltage_from_signal_source(Vs: f64, Xc: f64, Z: f64) -> f64 {
+    if Z == 0.0 {
+        0.0
+    } else {
         (Vs * Xc) / Z
     }
+}
 
+#[allow(non_snake_case)]
 pub fn coef_of_signal_reduce(Vs: f64, V: f64) -> f64 {
+    if V == 0.0 {
+        0.0
+    } else {
         Vs / V
     }
+}

src/controller/view_utils/hamming_code_input_utils.rs

@@ -13,7 +13,7 @@ pub fn start_hamming_algorithm(input: &TextView, output: &TextView, mode: bool)
         .parse()
         .unwrap();
 
-    let operation = if mode == false {
+    let operation = if mode {
         HammingMode::Encrypt
     } else {
         HammingMode::Decrypt

src/controller/view_utils/signal_reduce_input_utils.rs

@@ -1,119 +1,44 @@
 use gtk4 as gtk;
 
-use crate::controller::model_utils::signal_reducer::*;
-use crate::model::models::SchemeCharacteristics;
-use gtk::{prelude::*, *};
+use std::{num::ParseFloatError, str::FromStr};
 
-pub fn check_characteristics(
-    raw_characteristics: &Vec<TextView>,
-    all_inputs_data: &mut Vec<f64>,
-    output: &mut String,
-) -> bool {
-    for input in raw_characteristics {
-        let (iter_start, iter_end) = input.buffer().bounds();
-        let parsed_input: Result<f64, _> = input
-            .buffer()
-            .text(&iter_start, &iter_end, false)
-            .to_string()
-            .trim()
-            .parse();
+use gtk::{
+    prelude::{TextBufferExt, TextViewExt},
+    TextBuffer,
+};
 
-        match parsed_input {
-            Ok(int) => {
-                all_inputs_data.push(int);
-                println!("{:?}", int);
-            }
-            Err(err) => {
-                if output.is_empty() {
-                    output.push_str("Введите пожалуйста числа в полях");
-                    println!("{:?}", err);
-                }
-            }
+use crate::{model::models::SignalReduce, view::components::input::Input};
+
+pub fn get_error_message(error_instance: ParseFloatError) -> Option<&'static str> {
+    match error_instance.to_string().as_str() {
+        "cannot parse float from empty string" => Some("Вы не ввели данные в поле/-я"),
+        "invalid float literal" => Some("Вы ввели не корректные данные в поле/-я"),
+        _ => None,
     }
 }
 
-    !output.is_empty()
-}
+pub fn parse_fields(all_inputs: Vec<Input>) -> Result<SignalReduce, ParseFloatError> {
+    let mut values: [f64; 6] = [0f64; 6];
 
-pub fn start_algorithm(
-    error_log_label: &Label,
-    raw_characteristics: &Vec<TextView>,
-    table: &Frame,
-    header: &ListBoxRow,
-) {
-    let mut all_inputs_data: Vec<f64> = Vec::new();
-    let mut output: String = String::new();
-
-    if !check_characteristics(raw_characteristics, &mut all_inputs_data, &mut output) {
-        error_log_label.set_text(output.as_str());
-    } else {
-        error_log_label.set_text("");
-
-        let new_table = ListBox::builder().hexpand(true).halign(Align::Fill).build();
-
-        new_table.append(header);
-
-        let (L, Rm, Cm, Vs, Rs, f): SchemeCharacteristics = (
-            all_inputs_data[0],
-            all_inputs_data[1],
-            all_inputs_data[2],
-            all_inputs_data[3],
-            all_inputs_data[4],
-            all_inputs_data[5],
+    for (i, input) in all_inputs.iter().enumerate() {
+        let input_text_buffer: TextBuffer = input.clone().get_input().buffer();
+        let try_extract_value = f64::from_str(
+            input_text_buffer
+                .text(
+                    &input_text_buffer.start_iter(),
+                    &input_text_buffer.end_iter(),
+                    false,
+                )
+                .as_str()
+                .trim(),
         );
-
-        let mut frequencies: Vec<usize> = vec![f as usize, 1usize];
-
-        frequencies.append(&mut (0..100).step_by(5).collect());
-
-        for i in frequencies {
-            if i == 0 {
-                continue;
-            }
-
-            let table_row = ListBoxRow::new();
-
-            let columns = ColumnView::builder().reorderable(false).build();
-
-            let frequency_column = ColumnViewColumn::builder()
-                .title(format!("{i}"))
-                .fixed_width(200)
-                .expand(true)
-                .build();
-
-            let Xc: f64 = reactive_resistance_of_capacitor(Cm, L, f);
-            let Z: f64 = full_resistance_of_capacitor(Xc, Vs, Rm, L);
-            let V: f64 = voltage_from_signal_source(Vs, Xc, Z);
-            let xi: f64 = coef_of_signal_reduce(Vs, V);
-
-            let reactive_resistance_column = ColumnViewColumn::builder()
-                .title(format!("{:?}", Xc))
-                .fixed_width(200)
-                .expand(true)
-                .build();
-
-            let voltage_column = ColumnViewColumn::builder()
-                .title(format!("{:?}", V))
-                .fixed_width(200)
-                .expand(true)
-                .build();
-
-            let coef_column = ColumnViewColumn::builder()
-                .title(format!("{:?}", xi))
-                .fixed_width(200)
-                .expand(true)
-                .build();
-
-            columns.append_column(&frequency_column);
-            columns.append_column(&reactive_resistance_column);
-            columns.append_column(&voltage_column);
-            columns.append_column(&coef_column);
-
-            table_row.set_child(Some(&columns));
-
-            new_table.append(&table_row);
-
-            table.set_child(Some(&new_table));
+        match try_extract_value {
+            Ok(value) => values[i] = value,
+            Err(error) => return Err(error),
         }
     }
+
+    Ok(SignalReduce(
+        values[0], values[1], values[2], values[3], values[4], values[5],
+    ))
 }

src/main.rs

@@ -9,7 +9,8 @@ mod view;
 use controller::*;
 use view::view::*;
 
-fn main() {
+#[tokio::main]
+async fn main() {
     let app: adw::Application = adw::Application::builder()
         .application_id("com.github.gtk-rs.examples.basic")
         .build();

src/model/mod.rs

@@ -1,2 +1,15 @@
 pub mod builder_traits;
 pub mod models;
+
+use crate::gtk::glib;
+use glib::Object;
+
+glib::wrapper! {
+    pub struct ResultValue(ObjectSubclass<models::ResultValue>);
+}
+
+impl ResultValue {
+    pub fn new(val: f64) -> Self {
+        Object::builder().property("value", val).build()
+    }
+}

src/model/models.rs

@@ -1,3 +1,12 @@
+use std::cell::Cell;
+
+use crate::gtk;
+
+use glib::Properties;
+use gtk::glib;
+use gtk::prelude::*;
+use gtk::subclass::prelude::*;
+
 #[repr(usize)]
 #[derive(Clone)]
 pub enum HammingMode {
@@ -10,4 +19,28 @@ pub struct EventHandler<F, C> {
     pub(crate) callback: F,
 }
 
-pub type SchemeCharacteristics = (f64, f64, f64, f64, f64, f64);
+#[derive(Default, Copy, Clone)]
+pub struct SignalReduce(pub f64, pub f64, pub f64, pub f64, pub f64, pub f64);
+
+impl SignalReduce {
+    pub fn new() -> Self {
+        Self(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
+    }
+}
+
+#[derive(Properties, Default)]
+#[properties(wrapper_type = super::ResultValue)]
+pub struct ResultValue {
+    #[property(get, set)]
+    value: Cell<f64>,
+}
+
+// The central trait for subclassing a GObject
+#[glib::object_subclass]
+impl ObjectSubclass for ResultValue {
+    const NAME: &'static str = "MyGtkAppCustomButton";
+    type Type = super::ResultValue;
+}
+
+#[glib::derived_properties]
+impl ObjectImpl for ResultValue {}

src/view/components/info_bar.rs

@@ -0,0 +1,146 @@
+use gtk4 as gtk;
+
+use std::{collections::VecDeque, sync::LazyLock};
+
+use gtk::{
+    builders::{BoxBuilder, ButtonBuilder, LabelBuilder},
+    prelude::{BoxExt, ObjectExt, WidgetExt},
+    Box, Button, Label, Revealer, RevealerTransitionType,
+};
+
+use crate::{
+    event_handlers::button_event_handlers::BtnEventHandler,
+    model::{builder_traits::Product, models::EventHandler},
+};
+
+use tokio::{
+    task::{spawn, JoinHandle},
+    time::{sleep, Duration},
+};
+
+#[derive(Clone)]
+pub struct InfoBar {
+    instance: Revealer,
+}
+
+pub struct InfoBarBuilder {
+    label: LabelBuilder,
+    r#box: BoxBuilder,
+    button: ButtonBuilder,
+}
+
+// TODO: Develop a method to safely mutate static.
+// Not necessary.
+static mut TASKS_QUEUE: VecDeque<JoinHandle<()>> = VecDeque::new();
+
+//
+// Singleton pattern implementation
+//
+
+unsafe impl Send for InfoBar {}
+unsafe impl Sync for InfoBar {}
+
+static INFO_BAR_INSTANCE: LazyLock<InfoBar> = LazyLock::new(|| InfoBar {
+    instance: Revealer::new(),
+});
+
+impl InfoBar {
+    pub fn get_instance() -> &'static Self {
+        &INFO_BAR_INSTANCE
+    }
+
+    pub fn set_text_label(&self, text_label: Option<&str>) {
+        if let Some(text) = text_label {
+            let _ = &INFO_BAR_INSTANCE
+                .instance
+                .child()
+                .unwrap()
+                .first_child()
+                .unwrap()
+                .set_property("label", text);
+        }
+    }
+
+    pub fn set_reveal_child(&self, is_reveal: bool) {
+        let _ = &INFO_BAR_INSTANCE.instance.set_reveal_child(is_reveal);
+    }
+
+    pub fn show_infobar(&self, duration_secs: u64) {
+        if !INFO_BAR_INSTANCE.instance.reveals_child() {
+            INFO_BAR_INSTANCE.set_reveal_child(true);
+        }
+
+        let callback = spawn(async move {
+            sleep(Duration::from_secs(duration_secs)).await;
+            INFO_BAR_INSTANCE.set_reveal_child(false);
+        });
+
+        unsafe {
+            if !TASKS_QUEUE.is_empty() {
+                TASKS_QUEUE.pop_back().unwrap().abort();
+            }
+
+            TASKS_QUEUE.push_back(callback);
+        }
+    }
+}
+
+//
+//  Builder pattern implementation
+//
+
+impl InfoBarBuilder {
+    pub fn build(self) -> &'static InfoBar {
+        let info_bar_label = self.label.build();
+        let info_bar_box = self.r#box.build();
+        let info_bar_close_btn = self.button.build();
+
+        info_bar_label.set_hexpand(true);
+
+        info_bar_box.append(&info_bar_label);
+        info_bar_box.append(&info_bar_close_btn);
+        info_bar_box.set_widget_name("info_bar");
+
+        let info_bar: &Revealer = &INFO_BAR_INSTANCE.instance;
+
+        info_bar.set_transition_type(RevealerTransitionType::SlideUp);
+        info_bar.set_transition_duration(200);
+
+        info_bar.set_child(Some(&info_bar_box));
+
+        let info_bar_to_close = info_bar.clone();
+
+        EventHandler::new(info_bar_close_btn.clone(), move |_| {
+            info_bar_to_close.set_reveal_child(false);
+        })
+        .on_click();
+
+        &INFO_BAR_INSTANCE
+    }
+
+    pub fn set_text_label(mut self, text: &str) -> Self {
+        self.label = self.label.label(text);
+
+        self
+    }
+
+    pub fn set_button_icon(mut self, icon_name: &str) -> Self {
+        self.button = self.button.icon_name(icon_name);
+
+        self
+    }
+}
+
+impl Product<InfoBarBuilder, &'static Revealer> for InfoBar {
+    fn builder() -> InfoBarBuilder {
+        InfoBarBuilder {
+            label: Label::builder(),
+            r#box: Box::builder(),
+            button: Button::builder(),
+        }
+    }
+
+    fn get(self) -> &'static Revealer {
+        &INFO_BAR_INSTANCE.instance
+    }
+}

src/view/components/mod.rs

@@ -1,3 +1,4 @@
+pub mod info_bar;
 pub mod input;
 pub mod pages;
 pub mod switch;

src/view/pages/hamming_code.rs

@@ -12,7 +12,7 @@ use crate::{
 
 use gtk::{prelude::*, *};
 
-pub fn hamming_code_page(wrapper: &Box, info_bar: Revealer) {
+pub fn hamming_code_page(wrapper: &Box) {
     // input
 
     let hamming_text_view_input_label = Label::builder()

src/view/pages/signal_reducing.rs

@@ -1,21 +1,38 @@
-use glib::property::PropertyGet;
-use gtk4 as gtk;
-use gtk4::prelude::WidgetExt;
-use std::{str::FromStr, time::Duration};
+use std::{cell::Cell, rc::Rc};
 
 use crate::{
     event_handlers::button_event_handlers::BtnEventHandler,
-    model::{builder_traits::Product, models::*},
-    view::{components::input::Input, properties::*},
-};
-use gtk::{
-    prelude::{BoxExt, GridExt, TextBufferExt, TextViewExt},
-    Align, WrapMode, *,
+    model::{
+        builder_traits::Product,
+        models::{EventHandler, SignalReduce},
+        ResultValue,
+    },
+    model_utils::signal_reducer::{
+        coef_of_signal_reduce, full_resistance_of_capacitor, reactive_resistance_of_capacitor,
+        voltage_from_signal_source,
+    },
+    view::{
+        components::{info_bar::InfoBar, input::Input},
+        properties::*,
+    },
+    view_utils::signal_reduce_input_utils::{get_error_message, parse_fields},
 };
 
-pub fn signal_reducing_page(wrapper: &Box, info_bar: Revealer) {
-    let (input_height, monospace, input_alignment, input_wrapping): (i32, bool, Align, WrapMode) =
-        (24, true, Align::Fill, WrapMode::Word);
+use gtk::{
+    prelude::{BoxExt, Cast, CastNone, GridExt, ListItemExt},
+    Align, WrapMode, *,
+};
+use gtk4 as gtk;
+
+pub fn signal_reducing_page(wrapper: &Box) {
+    let values = Rc::new(Cell::new(SignalReduce::default()));
+
+    let last_query: Vec<TreeIter> = Vec::new();
+
+    let info_bar = InfoBar::get_instance();
+
+    let (input_height, monospace, input_wrapping): (i32, bool, WrapMode) =
+        (24, true, WrapMode::Word);
 
     let input_block: Grid = Grid::new();
 
@@ -65,49 +82,123 @@ pub fn signal_reducing_page(wrapper: &Box, info_bar: Revealer) {
 
     let calculate_button = Button::builder().label("Расчитать").build();
 
-    // TODO: Make asynchronious auto-hide info bar.
-    let test = info_bar.clone();
+    let result_table_headers_labels: [&str; 4] = ["f, МГц", "Xc, пФ", "Vп, мВ", "ζ"];
 
-    // let (tx, rx) = std::sync::mpsc::channel::<bool>();
+    let model = gio::ListStore::new::<ResultValue>();
+
+    let cloned_model = model.clone();
+
+    let selection_model = SingleSelection::new(Some(model));
+
+    let result_table = ColumnView::builder()
+        .reorderable(true)
+        .model(&selection_model)
+        .build();
+
+    for label in result_table_headers_labels {
+        let factory = SignalListItemFactory::new();
+
+        factory.connect_setup(move |_, list_item| {
+            list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .set_child(Some(&Label::new(None)));
+        });
+
+        let values_for_factory = values.clone();
+
+        factory.connect_bind(move |_, list_item| {
+            let cell_value = list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .item()
+                .and_downcast::<ResultValue>()
+                .expect("The item has to be an `IntegerObject`.");
+
+            let cell_label = list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .child()
+                .and_downcast::<Label>()
+                .expect("The child has to be a `Label`.");
+
+            let result_values = values_for_factory.clone().get();
+
+            let reactive_resist: f64 = reactive_resistance_of_capacitor(
+                result_values.2,
+                result_values.0,
+                cell_value.value(),
+            );
+
+            let full_resistance: f64 = full_resistance_of_capacitor(
+                reactive_resist,
+                result_values.4,
+                result_values.1,
+                result_values.0,
+            );
+
+            let signal_source_voltage: f64 =
+                voltage_from_signal_source(result_values.3, reactive_resist, full_resistance);
+
+            let coef: f64 = coef_of_signal_reduce(signal_source_voltage, signal_source_voltage);
+
+            match label {
+                "f, МГц" => {
+                    cell_label.set_label(&cell_value.value().to_string());
+                }
+                "Xc, пФ" => {
+                    cell_label.set_label(&reactive_resist.to_string());
+                }
+                "Vп, мВ" => {
+                    cell_label.set_label(&signal_source_voltage.to_string());
+                }
+                "ζ" => {
+                    cell_label.set_label(&coef.to_string());
+                }
+                _ => {}
+            }
+        });
+
+        let column = ColumnViewColumn::builder()
+            .title(label)
+            .expand(true)
+            .resizable(false)
+            .factory(&factory)
+            .build();
+
+        result_table.append_column(&column);
+    }
+
+    let scrollable_table = ScrolledWindow::builder()
+        .vexpand(true)
+        .child(&result_table)
+        .build();
+
+    let table = Frame::builder()
+        .child(&scrollable_table)
+        .vexpand(true)
+        .build();
 
     EventHandler::new(calculate_button.clone(), move |_| {
-        let mut values: [f64; 6] = [0f64; 6];
+        match parse_fields(all_inputs.clone()) {
+            Ok(results) => {
+                values.set(results);
 
-        for (i, input) in all_inputs.iter().enumerate() {
-            let input_text_buffer: TextBuffer = input.clone().get_input().buffer();
-            let try_extract_value = f64::from_str(
-                input_text_buffer
-                    .text(
-                        &input_text_buffer.start_iter(),
-                        &input_text_buffer.end_iter(),
-                        false,
-                    )
-                    .as_str()
-                    .trim(),
-            );
-            if let Ok(value) = try_extract_value {
-                values[i] = value;
-            } else {
-                test.set_reveal_child(true);
+                let tree_iter: TreeIter = cloned_model.append(&ResultValue::new(results.5));
 
-                // TODO: Make asynchronious auto-hide info bar.
-                // let transmitter = tx.clone();
-                //
-                // gio::spawn_blocking(move || {
-                //     std::thread::sleep(Duration::from_secs(5));
-                //     transmitter.send(false).unwrap();
-                // });
-                //
-                // test.set_reveal_child(rx.recv().unwrap());
+                last_query.append(tree_iter);
+            }
+            Err(error) => {
+                let error_kind: Option<&str> = get_error_message(error);
 
-                println!("Вы ввели некорректное значение поля.");
-                return;
+                info_bar.set_text_label(error_kind);
+                info_bar.show_infobar(5u64);
             }
         }
-        println!("{:?}", values);
     })
     .on_click();
 
     wrapper.append(&input_block);
     wrapper.append(&calculate_button);
+    wrapper.append(&table);
 }

src/view/properties.rs

@@ -117,4 +117,3 @@ impl Alignment {
         }
     }
 }
-

src/view/styles/info_bar.css

@@ -1,3 +1,15 @@
-.info_box{
-  background-color: yellow;
+#info_bar{
+  background-color:#F1E6D9; 
+  padding: 5px;
+  font-size: 11pt;
+}
+#info_bar > button {
+  transform: scale(0.9);
+  background-color: transparent;
+}
+#info_bar > button:hover {
+  background-color: #00000010;
+}
+#info_bar > button:active {
+  background-color: #00000020;
 }

src/view/view.rs

@@ -1,14 +1,13 @@
 use crate::model::builder_traits::*;
-use builders::{BoxBuilder, RevealerBuilder};
+
 use gtk4 as gtk;
 
-use gtk::{prelude::*, Revealer, StackTransitionType::SlideLeftRight, *};
-
-use crate::view::components::pages::Pages;
+use gtk::{prelude::*, StackTransitionType::SlideLeftRight, *};
+use info_bar::InfoBar;
 
 #[allow(unused)]
 use crate::view::{
-    components::{wrapper::*, *},
+    components::{pages::Pages, wrapper::*, *},
     pages::*,
     properties::*,
 };
@@ -24,15 +23,12 @@ pub fn ui(application: &adw::Application) {
         .spacing(10)
         .build();
 
-    let info_bar_label = Label::builder().label("test").build();
-
-    let info_bar: Revealer = Revealer::builder()
-        .child(&info_bar_label)
-        .transition_type(RevealerTransitionType::SlideUp)
-        .transition_duration(200)
+    let info_bar = InfoBar::builder()
+        .set_text_label("Sample text")
+        .set_button_icon("close")
         .build();
 
-    hamming_code::hamming_code_page(&hamming_code, info_bar.clone());
+    hamming_code::hamming_code_page(&hamming_code);
 
     let signal_reducing = Wrapper::row_builder()
         .set_align(Alignment::new(Align::Fill, Align::Fill))
@@ -40,7 +36,7 @@ pub fn ui(application: &adw::Application) {
         .spacing(10)
         .build();
 
-    signal_reducing::signal_reducing_page(&signal_reducing, info_bar.clone());
+    signal_reducing::signal_reducing_page(&signal_reducing);
 
     let pages = Pages::builder()
         .set_transition(SlideLeftRight, 200)
@@ -53,7 +49,7 @@ pub fn ui(application: &adw::Application) {
 
     let application_box = Box::new(Orientation::Vertical, 0);
 
-    application_box.append(&info_bar);
+    application_box.append(info_bar.clone().get());
     application_box.append(&pages);
 
     let window = ApplicationWindow::builder()