def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(line_edit_widget=self.ui.lineEdit_client_2, text_widget=self.ui.textEdit_client_2)
self.tcp_client_2.connect_server()
self.ui.button_client_2.setEnabled(False)
# Signals and slots for networking
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
class MainWindow_EXEC():
def __init__(self):
app = QtWidgets.QApplication(sys.argv)
self.MainWindow = QtWidgets.QMainWindow()
self.ui = Ui_MainWindow()
self.ui.setupUi(self.MainWindow)
# --------------------------
self.ui.button_start_server.clicked.connect(self.start_server)
# Signals and slots for clients
self.ui.button_client_1.clicked.connect(self.connect_to_server_1)
self.ui.lineEdit_client_1.returnPressed.connect(self.send_data_1)
self.ui.button_client_2.clicked.connect(self.connect_to_server_2)
self.ui.lineEdit_client_2.returnPressed.connect(self.send_data_2)
# --------------------------
self.init_tabs()
self.MainWindow.show()
sys.exit(app.exec_())
# ----------------------------------------------------------
def connect_to_server_1(self):
# create a client, passing in UI widget references
self.tcp_client_1 = TcpClient(line_edit_widget=self.ui.lineEdit_client_1, text_widget=self.ui.textEdit_client_1)
self.tcp_client_1.connect_server()
self.ui.button_client_1.setEnabled(False)
# Signals and slots for networking
self.tcp_client_1.socket.readyRead.connect(self.tcp_client_1.read_data)
self.tcp_client_1.socket.disconnected.connect(self.server_disconnect_1)
self.tcp_client_1.socket.error.connect(self.server_error_1)
def server_disconnect_1(self):
self.tcp_client_1.socket.close()
self.ui.button_client_1.setEnabled(True)
def server_error_1(self):
error = "Error: {}".format(self.tcp_client_1.socket.errorString())
self.display_text_1(error)
self.tcp_client_1.socket.close()
self.ui.button_client_1.setEnabled(True)
def display_text_1(self, text):
self.ui.textEdit_client_1.append(text)
def send_data_1(self):
self.tcp_client_1.write_data()
# ----------------------------------------------------------
def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(line_edit_widget=self.ui.lineEdit_client_2, text_widget=self.ui.textEdit_client_2)
self.tcp_client_2.connect_server()
self.ui.button_client_2.setEnabled(False)
# Signals and slots for networking
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
def server_disconnect_2(self):
self.tcp_client_2.socket.close()
self.ui.button_client_2.setEnabled(True)
def server_error_2(self):
error = "Error: {}".format(self.tcp_client_2.socket.errorString())
self.display_text_2(error)
self.tcp_client_2.socket.close()
self.ui.button_client_2.setEnabled(True)
def display_text_2(self, text):
self.ui.textEdit_client_2.append(text)
def send_data_2(self):
self.tcp_client_2.write_data()
# ----------------------------------------------------------
def start_server(self):
self.tcp_server = TcpServer()
# ----------------------------------------------------------
def init_tabs(self):
open_gl = PyQtOpenGL(parent=self.ui.frame_gl) # create class instance, passing in the tab as parent
open_gl.setMinimumSize(300, 300) # keep proportions, set to same size as frame
open_gl.paint_0 = False
open_gl.paint_1 = False
open_gl.paint_2 = False
open_gl.resize_lines = False
open_gl.paint_rotation = False
# --------------------------
self.ui.comboBox.hide()
self.drop_combo = DragDropCombo(self.MainWindow)
self.drop_combo.setMinimumSize(QtCore.QSize(141, 0))
self.ui.horizontalLayout.addWidget(self.drop_combo)
# --------------------------
self.ui.pushButton.hide()
# self.ui.pushButton.setParent(None) # deleting parent deletes the button
self.drop_button = DragDropButton('DropButton', self.MainWindow)
self.drop_button.setMinimumSize(QtCore.QSize(161, 0))
self.ui.horizontalLayout.addWidget(self.drop_button)
# --------------------------
self.update_tree()
self.update_calendar()
self.update_progressbar()
# ----------------------------------------------------------
def update_tree(self):
self.ui.treeWidget.headerItem().setText(1, 'Header 2')
self.ui.treeWidget.topLevelItem(0).setText(1, "Item 2")
self.ui.treeWidget.topLevelItem(0).addChild(QtWidgets.QTreeWidgetItem())
self.ui.treeWidget.topLevelItem(0).child(0).setText(1, "Subitem 2")
def print_tree(self):
header0 = self.ui.treeWidget.headerItem().text(0)
header1 = self.ui.treeWidget.headerItem().text(1)
print(header0 + '\n' + header1 + '\n')
# ----------------------------------------------------------
def update_calendar(self):
self.ui.calendarWidget.selectionChanged.connect(self.update_date)
def update_date(self):
self.ui.dateEdit.setDate(self.ui.calendarWidget.selectedDate())
# ----------------------------------------------------------
def update_progressbar(self):
self.ui.radioButton_start.clicked.connect(self.start_progressbar)
self.ui.radioButton_stop.clicked.connect(self.stop_progressbar)
self.ui.radioButton_reset.clicked.connect(self.reset_progressbar)
self.progress_value = 0
self.stop_progress = False
def progressbar_counter(self, start_value=0):
self.run_thread = RunThread(parent=None, counter_start=start_value)
self.run_thread.start()
self.run_thread.counter_value.connect(self.set_progressbar)
def set_progressbar(self, counter):
if not self.stop_progress:
self.ui.progressBar.setValue(counter)
def start_progressbar(self):
self.stop_progress = False
self.progress_value = self.ui.progressBar.value()
self.progressbar_counter(self.progress_value)
def stop_progressbar(self):
self.stop_progress = True
try:
self.run_thread.stop()
except:
pass
def reset_progressbar(self):
self.stop_progressbar()
self.progress_value = 0
self.stop_progress = False
self.ui.progressBar.reset()
class MainWindow_EXEC():
def __init__(self):
app = QtWidgets.QApplication(sys.argv)
self.MainWindow = QtWidgets.QMainWindow()
self.ui = Ui_MainWindow()
self.ui.setupUi(self.MainWindow)
# --------------------------
self.create_DB()
self.ui.button_SQL_view_data.clicked.connect(self.print_data)
self.model = None
self.ui.button_SQL_view_data.clicked.connect(self.sql_tableview_model)
self.ui.button_SQL_add.clicked.connect(self.sql_add_row)
self.ui.button_SQL_delete.clicked.connect(self.sql_delete_row)
# --------------------------
self.init_tabs()
self.MainWindow.show()
sys.exit(app.exec_())
# ----------------------------------------------------------
def sql_delete_row(self):
if self.model:
self.model.removeRow(self.ui.tableView.currentIndex().row())
else:
self.sql_tableview_model()
# ----------------------------------------------------------
def sql_add_row(self):
if self.model:
self.model.insertRows(self.model.rowCount(), 1)
else:
self.sql_tableview_model()
# ----------------------------------------------------------
def sql_tableview_model(self):
db = QtSql.QSqlDatabase.addDatabase('QSQLITE')
db.setDatabaseName('PEOPLE.db')
tableview = self.ui.tableView
self.model = QtSql.QSqlTableModel()
tableview.setModel(self.model)
self.model.setTable('PERSON')
self.model.setEditStrategy(
QtSql.QSqlTableModel.OnFieldChange
) # All changes to the model will be applied immediately to the database
self.model.select()
self.model.setHeaderData(0, QtCore.Qt.Horizontal, "ID")
self.model.setHeaderData(1, QtCore.Qt.Horizontal, "First name")
self.model.setHeaderData(2, QtCore.Qt.Horizontal, "Last name")
# ----------------------------------------------------------
def print_data(self):
sqlite_file = 'PEOPLE.db'
conn = sqlite3.connect(sqlite_file)
cursor = conn.cursor()
cursor.execute("SELECT * FROM 'PERSON' ORDER BY ID")
all_rows = cursor.fetchall()
pprint(all_rows)
conn.commit() # not needed when only selecting data
conn.close()
# ----------------------------------------------------------
def create_DB(self):
db = QtSql.QSqlDatabase.addDatabase('QSQLITE')
db.setDatabaseName('PEOPLE.db')
db.open()
query = QtSql.QSqlQuery()
query.exec_("create table PERSON(ID int primary key, "
"FIRST_NAME varchar(20), LAST_NAME varchar(20))")
query.exec_("insert into PERSON values(1000, 'Albert', 'Einstein')")
query.exec_("insert into PERSON values(1001, 'Guido', 'van Rossum')")
query.exec_("insert into PERSON values(1002, 'Steve', 'Jobs')")
query.exec_("insert into PERSON values(1003, 'Bill', 'Gates')")
# ----------------------------------------------------------
def connect_to_server_1(self):
# create a client, passing in UI widget references
self.tcp_client_1 = TcpClient(
line_edit_widget=self.ui.lineEdit_client_1,
text_widget=self.ui.textEdit_client_1)
self.tcp_client_1.connect_server()
self.ui.button_client_1.setEnabled(False)
# Signals and slots for networking
self.tcp_client_1.socket.readyRead.connect(self.tcp_client_1.read_data)
self.tcp_client_1.socket.disconnected.connect(self.server_disconnect_1)
self.tcp_client_1.socket.error.connect(self.server_error_1)
def server_disconnect_1(self):
self.tcp_client_1.socket.close()
self.ui.button_client_1.setEnabled(True)
def server_error_1(self):
error = "Error: {}".format(self.tcp_client_1.socket.errorString())
self.display_text_1(error)
self.tcp_client_1.socket.close()
self.ui.button_client_1.setEnabled(True)
def display_text_1(self, text):
self.ui.textEdit_client_1.append(text)
def send_data_1(self):
try:
self.tcp_client_1.write_data()
except:
pass
# ----------------------------------------------------------
def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(
line_edit_widget=self.ui.lineEdit_client_2,
text_widget=self.ui.textEdit_client_2)
self.tcp_client_2.connect_server()
self.ui.button_client_2.setEnabled(False)
# Signals and slots for networking
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
def server_disconnect_2(self):
self.tcp_client_2.socket.close()
self.ui.button_client_2.setEnabled(True)
def server_error_2(self):
error = "Error: {}".format(self.tcp_client_2.socket.errorString())
self.display_text_2(error)
self.tcp_client_2.socket.close()
self.ui.button_client_2.setEnabled(True)
def display_text_2(self, text):
self.ui.textEdit_client_2.append(text)
def send_data_2(self):
try:
self.tcp_client_2.write_data()
except:
pass
# ----------------------------------------------------------
def start_server(self):
self.tcp_server = TcpServer()
# ----------------------------------------------------------
def init_tabs(self):
# --------------------------
self.ui.button_start_server.clicked.connect(self.start_server)
# Signals and slots for clients
self.ui.button_client_1.clicked.connect(self.connect_to_server_1)
self.ui.lineEdit_client_1.returnPressed.connect(self.send_data_1)
self.ui.button_client_2.clicked.connect(self.connect_to_server_2)
self.ui.lineEdit_client_2.returnPressed.connect(self.send_data_2)
# --------------------------
open_gl = PyQtOpenGL(
parent=self.ui.frame_gl
) # create class instance, passing in the tab as parent
open_gl.setMinimumSize(
300, 300) # keep proportions, set to same size as frame
open_gl.paint_0 = False
open_gl.paint_1 = False
open_gl.paint_2 = False
open_gl.resize_lines = False
open_gl.paint_rotation = False
# --------------------------
self.ui.comboBox.hide()
self.drop_combo = DragDropCombo(self.MainWindow)
self.drop_combo.setMinimumSize(QtCore.QSize(141, 0))
self.ui.horizontalLayout_2.addWidget(self.drop_combo)
# --------------------------
self.ui.pushButton.hide()
# self.ui.pushButton.setParent(None) # deleting parent deletes the button
self.drop_button = DragDropButton('DropButton', self.MainWindow)
self.drop_button.setMinimumSize(QtCore.QSize(161, 0))
self.ui.horizontalLayout_2.addWidget(self.drop_button)
# --------------------------
self.update_tree()
self.update_calendar()
self.update_progressbar()
# ----------------------------------------------------------
def update_tree(self):
self.ui.treeWidget.headerItem().setText(1, 'Header 2')
self.ui.treeWidget.topLevelItem(0).setText(1, "Item 2")
self.ui.treeWidget.topLevelItem(0).addChild(
QtWidgets.QTreeWidgetItem())
self.ui.treeWidget.topLevelItem(0).child(0).setText(1, "Subitem 2")
def print_tree(self):
header0 = self.ui.treeWidget.headerItem().text(0)
header1 = self.ui.treeWidget.headerItem().text(1)
print(header0 + '\n' + header1 + '\n')
# ----------------------------------------------------------
def update_calendar(self):
self.ui.calendarWidget.selectionChanged.connect(self.update_date)
def update_date(self):
self.ui.dateEdit.setDate(self.ui.calendarWidget.selectedDate())
# ----------------------------------------------------------
def update_progressbar(self):
self.ui.radioButton_start.clicked.connect(self.start_progressbar)
self.ui.radioButton_stop.clicked.connect(self.stop_progressbar)
self.ui.radioButton_reset.clicked.connect(self.reset_progressbar)
self.progress_value = 0
self.stop_progress = False
def progressbar_counter(self, start_value=0):
self.run_thread = RunThread(parent=None, counter_start=start_value)
self.run_thread.start()
self.run_thread.counter_value.connect(self.set_progressbar)
def set_progressbar(self, counter):
if not self.stop_progress:
self.ui.progressBar.setValue(counter)
def start_progressbar(self):
self.stop_progress = False
self.progress_value = self.ui.progressBar.value()
self.progressbar_counter(self.progress_value)
def stop_progressbar(self):
self.stop_progress = True
try:
self.run_thread.stop()
except:
pass
def reset_progressbar(self):
self.stop_progressbar()
self.progress_value = 0
self.stop_progress = False
self.ui.progressBar.reset()