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‎controls.py‎

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# Controls for terminals
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from PySide6.QtCore import Qt
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from PySide6.QtWidgets import QWidget, QPushButton, QHBoxLayout, QVBoxLayout, QCheckBox
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from PySide6.QtWidgets import QTabWidget, QGridLayout, QButtonGroup, QLineEdit, QGroupBox
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class Controls(QGroupBox):
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def __init__(self):
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super().__init__()
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self.setTitle('Controls')
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# add layout
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layout = QGridLayout(self)
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# create buttons, etc
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self.time_box = QCheckBox('Add time', self)
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layout.addWidget(self.time_box, 0, 0)
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#
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self.echo_box = QCheckBox('Echo Tx', self)
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layout.addWidget(self.echo_box, 0, 1)
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#
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self.clear_btn = QPushButton('Clear term')
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self.clear_btn.setStyleSheet('background-color: #333333; color: #eeeeee;')
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layout.addWidget(self.clear_btn, 1, 0)
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#
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self.copy_btn = QPushButton('Copy from term')
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self.copy_btn.setStyleSheet('background-color: #999999;')
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layout.addWidget(self.copy_btn, 0, 2)
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#
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self.cut_btn = QPushButton('Cut from term')
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self.cut_btn.setStyleSheet('background-color: #999999;')
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layout.addWidget(self.cut_btn, 1, 2)
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#
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self.info_btn = QPushButton('Ports info')
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self.info_btn.setStyleSheet('background-color: #ffff00;')
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layout.addWidget(self.info_btn, 0, 3)
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#
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self.free_btn = QPushButton('Get free ports')
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self.free_btn.setStyleSheet('background-color: #ffff00;')
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layout.addWidget(self.free_btn, 1, 3)
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class SendAny(QWidget):
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def __init__(self):
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super().__init__()
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# add layout
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layout = QHBoxLayout(self)
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layout.setContentsMargins(0, 0, 0, 0)
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#
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self.any_field = QLineEdit()
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self.any_field.setAlignment(Qt.AlignCenter)
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layout.addWidget(self.any_field)
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#
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self.any_btn = QPushButton('Send')
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self.any_btn.setStyleSheet('background-color: #ffffff;')
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layout.addWidget(self.any_btn)
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class NewButton(QPushButton):
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cmd = ''
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def __init__(self, lbl):
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super().__init__()
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self.setText(lbl)
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self.setMinimumHeight(20)
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def set_cmd(self, cmd):
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self.cmd = cmd
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def get_cmd(self):
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return self.cmd
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class Notebook(QTabWidget):
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def_btn_fg_color = 'black'
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def_btn_bg_color = '#eeeeee'
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btn_font_family = 'Titillium'
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btn_font_size = '12px'
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def __init__(self):
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super().__init__()
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# method to add Tables with buttons
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def add_tab_btn(self, tab_name, btn_data, handler):
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# create new table
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t1 = QWidget()
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self.addTab(t1, tab_name)
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t1_layout = QGridLayout(t1)
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# add buttons' group
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group = QButtonGroup(self)
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group.buttonClicked.connect(handler)
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c = 0 # defines number of column of buttons in the grid
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for col in btn_data:
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i = 0 # counter to define number of line of the buttons in the grid
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for btn in col:
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if btn[0]: # if future button's label is not empty
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b = NewButton(btn[0]) # create button object
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b.set_cmd(btn[1]) # set button's command
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group.addButton(b)
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t1_layout.addWidget(b, i, c)
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if not btn[2]: btn[2] = self.def_btn_fg_color # if fg colour is not defined use default one
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if not btn[3]: btn[3] = self.def_btn_bg_color # if bg colour is not defined use default one
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b.setStyleSheet('background-color: ' + btn[3] + '; ' +
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'color: ' + btn[2] + '; ' +
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'font-family: ' + self.btn_font_family + '; ' +
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'font-size: ' + self.btn_font_size + ';')
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i = i + 1 # next line
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c = c + 1 # next column
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# method to add Tables with editable fields
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def add_tab_edit(self, tab_name, num_of_fields, tab_data, handler):
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# create new table
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tab = QWidget()
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self.addTab(tab, tab_name)
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layout = QVBoxLayout(tab)
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for each in range(num_of_fields):
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fld = SendAny()
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fld.any_btn.clicked.connect(handler)
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fld.any_btn.setStyleSheet('background-color: #FFB273')
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layout.addWidget(fld)
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try:
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fld.any_field.setText(tab_data[each])
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except Exception:
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pass
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‎main.py‎

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# This is a Qt terminal program
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from PySide6.QtWidgets import QTextEdit, QApplication, QMainWindow
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from PySide6.QtCore import Slot
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import sys
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from tcpip import TCPClient
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from controls import *
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###############################################################
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term_title = 'Qt Python simple TCP client'
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win_min_height = 500
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win_min_width = 600
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term_min_width = 300
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# Names of notebook's tables
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tab1Name = 'Basic'
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tab2Name = 'Edit'
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def_btn_fg_color = 'black'
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def_btn_bg_color = '#eeeeee'
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btn_font_family = 'Titillium'
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btn_font_size = '12px'
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cmd_end = b'\r'
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###############################################################
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# Tab button [0,1,2,3]:
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# 0 - label of the button
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# 1 - command to send
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# 2 - foreground color
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# 3 - background color
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# --------------- TAB1 BUTTONS ---------------
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T1_0 = [['00000', '00000', '', '#66ccff'],
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['11111', '11111', '', '#66ccff'],
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['22222', '22222', '', '#66ccff'],
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['33333', '33333', '', '#66ccff'],
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['44444', '44444', '', '#66ccff'],
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['55555', '55555', '', '#66ccff'],
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['6' * 5, '6' * 5, '', '#66ccff'],
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['7' * 5, '7' * 5, '', ''],
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['8' * 5, '8' * 5, '', ''],
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['9' * 5, '9' * 5, '', ''],
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['', '', '', ''],
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['', '', '', '']]
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T1_1 = [['abcdef', 'abcdef', '', '#ffbf00'],
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['-------', '-------', '', '#ffbf00'],
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['hello!', 'hello!', '', '#ffbf00'],
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['hi!', 'hi!', '', '#ffbf00'],
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['!!!!!!!!!!', '!!!!!!!!!!', '', '#ffbf00'],
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['', '', '', ''],
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['', '', '', '']]
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T1_2 = [['a' * 10, 'a' * 10, '', '#ffbf00'],
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['b' * 10, 'b' * 10, '', '#ffbf00'],
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['c' * 10, 'c' * 10, '', '#ffbf00'],
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['d' * 10, 'd' * 10, '', '#ffbf00'],
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['e' * 10, 'e' * 10, '', '#ffbf00'],
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['', '', '', ''],
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['', '', '', '']]
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T1 = [T1_0, T1_1, T1_2]
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# --------------- TAB2 BUTTONS ---------------
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T2 = ['1'*10, '2'*10, '3'*10, '4'*10, '5'*10, '6'*10, '7'*10, '8'*10, '9'*10, '0'*10]
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class MainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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self.setWindowTitle(term_title)
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self.statusBar().showMessage('Welcome!')
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# central widget
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central_widget = QWidget()
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self.setCentralWidget(central_widget)
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hbox = QHBoxLayout(central_widget)
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vbox1 = QVBoxLayout()
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# create term
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self.term = QTextEdit()
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self.term.setReadOnly(True)
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self.term.setMinimumWidth(term_min_width)
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self.term.setStyleSheet("""
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background-color: #101010;
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color: #FFFFFF;
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font-family: Titillium;
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font-size: 12px;
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""")
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vbox1.addWidget(self.term)
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# clear term button
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self.clear_term_btn = QPushButton('Clear terminal')
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self.clear_term_btn.setStyleSheet('background-color: #101010; color: #ffffff;')
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vbox1.addWidget(self.clear_term_btn)
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hbox.addLayout(vbox1)
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self.clear_term_btn.clicked.connect(self.clear_term)
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# create side panel
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self.side_panel = QWidget()
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vbox2 = QVBoxLayout(self.side_panel)
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# add side panel to main window
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hbox.addWidget(self.side_panel)
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# create tcp client and bind handlers
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self.tcp_client = TCPClient()
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self.tcp_client.sock.readyRead.connect(self.on_port_rx)
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# create send_any_cmd
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self.send_any_msg = SendAny()
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self.send_any_msg.any_btn.clicked.connect(self.send_any)
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# create notebook
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self.notebook = Notebook()
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# add tables to the notebook
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self.notebook.add_tab_btn(tab1Name, T1, self.send)
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self.notebook.add_tab_edit(tab2Name, len(T2), T2, self.send_any)
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# add controls and notebook to side panel
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vbox2.addWidget(self.tcp_client)
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vbox2.addWidget(self.send_any_msg)
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vbox2.addWidget(self.notebook)
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def send(self, btn):
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if self.tcp_client.started:
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cmd_to_send = btn.get_cmd()
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if cmd_to_send and self.tcp_client.sock:
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if isinstance(cmd_to_send, str): # if type of cmd_to_send is a <string>
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self.tcp_client.sock.write(cmd_to_send.encode('ascii'))
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self.tcp_client.sock.write(cmd_end)
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def send_any(self):
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if self.tcp_client.started:
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ref = self.sender() # get object created received signal
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data = ref.parent().any_field.text() # get text from any_field using parent
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if data and self.tcp_client.sock:
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self.tcp_client.sock.write(data.encode('ascii'))
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self.tcp_client.sock.write(cmd_end)
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def write(self, data):
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if self.started:
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self.tcp_client.sock.write(data)
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def clear_term(self):
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self.term.clear() # clear terminal
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def closeEvent(self, event):
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self.tcp_client.stop()
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event.accept()
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@Slot()
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def on_port_rx(self):
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num_rx_bytes = self.tcp_client.sock.bytesAvailable()
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rx_bytes = self.tcp_client.sock.read(num_rx_bytes)
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data = bytes(rx_bytes).decode('ascii')
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try:
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self.term.insertPlainText(data)
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except Exception:
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self.term.insertPlainText('\r[something went wrong!]\r')
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self.term.ensureCursorVisible()
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def main():
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app = QApplication([])
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main_win = MainWindow()
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main_win.resize(win_min_width, win_min_height)
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main_win.show()
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sys.exit(app.exec()) # PySide6
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# sys.exit(app.exec_()) # PySide2
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if __name__ == '__main__':
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main()
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‎qt-python-simple-tcp-client-with-gui.png‎

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