added center func

src/view/buy_window.py

@@ -1,7 +1,7 @@
 from decimal import Decimal
 
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QMainWindow, QMessageBox
+from PyQt5.QtWidgets import QDesktopWidget, QMainWindow, QMessageBox
 from requests.exceptions import ConnectionError
 
 from src.DAL.client import Client
@@ -44,5 +44,13 @@ def buy(self):
         except DALError as e:
             QMessageBox().warning(self, 'Ошибка', str(e))
 
+    def center(self):
+        frame = self.frameGeometry()
+        center_point = QDesktopWidget().availableGeometry().center()
+
+        frame.moveCenter(center_point)
+        self.move(frame.topLeft())
+
     def init(self):
+        self.center()
         self.show()

src/view/currency_window.py

@@ -30,7 +30,12 @@ def __init__(self, parent, user: User, currency: UserCurrency):
         self.setWindowTitle(currency.name)
 
     def set_text_info(
-        self, selling_price, buying_price, account, currency_amount, currency_name
+        self,
+        selling_price: str,
+        buying_price: str,
+        account: str,
+        currency_amount: str,
+        currency_name: str,
     ):
         self.buyingPrice.setText('Cтоимость покупки: ' + str(buying_price) + ' у.е.')
         self.sellingPrice.setText('Стоимость продажи: ' + str(selling_price) + ' у.е.')
@@ -99,7 +104,16 @@ def draw_graphs(self):
             list(time.keys()), selling_prices, 'Цена продажи', (255, 0, 0), 1.5, 'o', 5,
         )
 
-    def plot(self, x, y, plot_name, color, width, symbol, symbol_size):
+    def plot(
+        self,
+        x: list,
+        y: list,
+        plot_name: str,
+        color: tuple,
+        width: float,
+        symbol: str,
+        symbol_size: int,
+    ):
         pen = pg.mkPen(color=color, width=width)
         self.graphicsView.plot(
             x,

src/view/login_window.py

@@ -1,5 +1,5 @@
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QMainWindow, QMessageBox
+from PyQt5.QtWidgets import QDesktopWidget, QMainWindow, QMessageBox
 from requests.exceptions import ConnectionError
 
 from src.DAL.client import Client
@@ -16,9 +16,6 @@ def __init__(self):
         self.confirmButton.clicked.connect(self.auth)
         self.cancelButton.clicked.connect(lambda: self.close())
 
-    def init(self):
-        self.show()
-
     def auth(self):
         self.close()
         try:
@@ -33,3 +30,14 @@ def auth(self):
             return
         self.mainWindow = MainWindow(user, self)
         self.mainWindow.init()
+
+    def center(self):
+        frame = self.frameGeometry()
+        center_point = QDesktopWidget().availableGeometry().center()
+
+        frame.moveCenter(center_point)
+        self.move(frame.topLeft())
+
+    def init(self):
+        self.center()
+        self.show()

src/view/main_window.py

@@ -1,6 +1,14 @@
+from typing import List
+
 from PyQt5 import QtWidgets
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QMainWindow, QMessageBox, QPushButton, QTableWidgetItem
+from PyQt5.QtWidgets import (
+    QDesktopWidget,
+    QMainWindow,
+    QMessageBox,
+    QPushButton,
+    QTableWidgetItem,
+)
 from requests.exceptions import ConnectionError
 
 from src.DAL.client import Client
@@ -98,7 +106,15 @@ def fill_operations(self):
     def show_details(self, user: User, currency: UserCurrency):
         CurrencyWindow(self, user, currency).init()
 
+    def center(self):
+        frame = self.frameGeometry()
+        center_point = QDesktopWidget().availableGeometry().center()
+
+        frame.moveCenter(center_point)
+        self.move(frame.topLeft())
+
     def init(self):
+        self.center()
         self.operationsTable.setRowCount(0)
         self.allCurrenciesTable.setRowCount(0)
         self.myCurrenciesTable.setRowCount(0)
@@ -113,7 +129,7 @@ def init(self):
         self.show()
 
 
-def create_headers(table_name, labels):
+def create_headers(table_name, labels: List[str]):
     table_name.setColumnCount(len(labels))
     table_name.setHorizontalHeaderLabels(labels)
 

src/view/sell_wndow.py

@@ -1,7 +1,7 @@
 from decimal import Decimal
 
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QMainWindow, QMessageBox
+from PyQt5.QtWidgets import QDesktopWidget, QMainWindow, QMessageBox
 from requests.exceptions import ConnectionError
 
 from src.DAL.client import Client
@@ -43,5 +43,13 @@ def sell(self):
         except DALError as e:
             QMessageBox().warning(self, 'Ошибка', str(e))
 
+    def center(self):
+        frame = self.frameGeometry()
+        center_point = QDesktopWidget().availableGeometry().center()
+
+        frame.moveCenter(center_point)
+        self.move(frame.topLeft())
+
     def init(self):
+        self.center()
         self.show()