eric6/MicroPython/ConnectionSelectionDialog.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
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parent 8135
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child 8139
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permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2021 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a dialog to select the port to connect to and the type of
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8 the attached device.
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9 """
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10
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11 from PyQt5.QtCore import pyqtSlot, Qt
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12 from PyQt5.QtWidgets import QDialog, QDialogButtonBox
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13
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14 from .Ui_ConnectionSelectionDialog import Ui_ConnectionSelectionDialog
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15
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16 from . import MicroPythonDevices
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17
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18
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19 class ConnectionSelectionDialog(QDialog, Ui_ConnectionSelectionDialog):
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20 """
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21 Class implementing a dialog to select the port to connect to and the type
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22 of the attached device.
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23 """
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24 PortNameRole = Qt.UserRole
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25 VidPidRole = Qt.UserRole + 1
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26
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27 def __init__(self, ports, currentPort, currentType, parent=None):
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28 """
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29 Constructor
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30
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31 @param ports list of detected ports
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32 @type list of str
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33 @param currentPort port most recently selected
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34 @type str
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35 @param currentType device type most recently selected
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36 @type str
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37 @param parent reference to the parent widget (defaults to None)
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38 @type QWidget (optional)
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39 """
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40 super(ConnectionSelectionDialog, self).__init__(parent)
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41 self.setupUi(self)
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42
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43 for index, (vid, pid, description, portName) in enumerate(
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44 sorted(ports, key=lambda x: x[3])
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45 ):
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46 self.portNameComboBox.addItem(
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47 self.tr("{0} - {1}", "description - port name")
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48 .format(description, portName))
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49 self.portNameComboBox.setItemData(
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50 index, portName, self.PortNameRole)
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51 self.portNameComboBox.setItemData(
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52 index, (vid, pid), self.VidPidRole)
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53
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54 self.deviceTypeComboBox.addItem("", "")
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55 for board, description in sorted(
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56 MicroPythonDevices.getSupportedDevices(),
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57 key=lambda x: x[1]
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58 ):
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59 self.deviceTypeComboBox.addItem(description, board)
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60
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61 if self.portNameComboBox.currentText():
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62 # some ports were found; use the previously selected type as
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63 # default
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64 portIndex = self.portNameComboBox.findData(
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65 currentPort, self.PortNameRole)
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66 typeIndex = self.deviceTypeComboBox.findData(currentType)
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67 else:
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68 portIndex = 0
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69 typeIndex = 0
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70 self.portNameComboBox.setCurrentIndex(portIndex)
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71 self.deviceTypeComboBox.setCurrentIndex(typeIndex)
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72
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73 self.__updateOK()
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74
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75 msh = self.minimumSizeHint()
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76 self.resize(max(self.width(), msh.width()), msh.height())
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77
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78 def __updateOK(self):
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79 """
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80 Private method to update the status of the OK button.
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81 """
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82 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
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83 bool(self.deviceTypeComboBox.currentData()))
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84
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85 @pyqtSlot(str)
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86 def on_deviceTypeComboBox_currentTextChanged(self, txt):
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87 """
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88 Private slot to handle the selection of a device type.
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89
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90 @param txt selected device description
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91 @type str
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92 """
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93 self.__updateOK()
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94
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95 def getData(self):
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96 """
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97 Public method to get the entered data.
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98
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99 @return tuple containing the VID, PID and name of the selected port
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100 and the selected device type
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101 @rtype tuple of (int, int, str, str)
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102 """
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103 return (
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104 *self.portNameComboBox.currentData(self.VidPidRole),
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105 self.portNameComboBox.currentData(self.PortNameRole),
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106 self.deviceTypeComboBox.currentData(),
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107 )

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