eric7/Preferences/ConfigurationPages/ConfigurationPageBase.py

Mon, 01 Nov 2021 19:45:18 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 01 Nov 2021 19:45:18 +0100
branch
eric7
changeset 8755
30f52c9d5153
parent 8319
ea11a3948f40
child 8869
3dbb04832c21
permissions
-rw-r--r--

Fixed a Python 3.10 related issue.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 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 the base class for all configuration pages.
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8 """
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9
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10 from PyQt6.QtCore import pyqtSlot, pyqtSignal
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11 from PyQt6.QtGui import QIcon, QPixmap, QColor
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12 from PyQt6.QtWidgets import QWidget, QColorDialog, QFontDialog, QDialog
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13
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14
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15 class ConfigurationPageBase(QWidget):
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16 """
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17 Class implementing the base class for all configuration pages.
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18
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19 @signal colourChanged(str, QColor) To inform about a new colour selection
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20 """
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21 colourChanged = pyqtSignal(str, QColor)
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22
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23 def __init__(self):
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24 """
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25 Constructor
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26 """
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27 super().__init__()
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28
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29 self.__coloursDict = {}
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30
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31 def polishPage(self):
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32 """
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33 Public slot to perform some polishing actions.
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34 """
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35 return
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36
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37 def saveState(self):
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38 """
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39 Public method to save the current state of the widget.
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40 """
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41 return
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42
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43 def setState(self, state):
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44 """
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45 Public method to set the state of the widget.
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46
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47 @param state state data generated by saveState
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48 """
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49 return
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50
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51 def initColour(self, colourKey, button, prefMethod, byName=False,
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52 hasAlpha=False):
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53 """
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54 Public method to initialize a colour selection button.
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55
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56 @param colourKey key of the colour resource (string)
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57 @param button reference to a button to show the colour on (QPushButton)
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58 @param prefMethod preferences method to get the colour
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59 @param byName flag indicating to retrieve/save by colour name
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60 (boolean)
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61 @param hasAlpha flag indicating to allow alpha channel (boolean)
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62 """
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63 colour = QColor(prefMethod(colourKey))
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64 size = button.size()
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65 pm = QPixmap(size.width() // 2, size.height() // 2)
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66 pm.fill(colour)
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67 button.setIconSize(pm.size())
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68 button.setIcon(QIcon(pm))
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69 button.setProperty("colorKey", colourKey)
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70 button.setProperty("hasAlpha", hasAlpha)
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71 button.clicked.connect(lambda: self.__selectColourSlot(button))
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72 self.__coloursDict[colourKey] = [colour, byName]
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73 self.colourChanged.emit(colourKey, colour)
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74
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75 @pyqtSlot()
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76 def __selectColourSlot(self, button):
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77 """
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78 Private slot to select a color.
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79
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80 @param button reference to the button been pressed
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81 @type QPushButton
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82 """
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83 colorKey = button.property("colorKey")
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84 hasAlpha = button.property("hasAlpha")
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85
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86 colDlg = QColorDialog(self)
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87 if hasAlpha:
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88 colDlg.setOptions(QColorDialog.ColorDialogOption.ShowAlphaChannel)
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89 # Set current colour last to avoid conflicts with alpha channel
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90 colDlg.setCurrentColor(self.__coloursDict[colorKey][0])
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91 colDlg.currentColorChanged.connect(
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92 lambda col: self.colourChanged.emit(colorKey, col))
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93 colDlg.exec()
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94
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95 if colDlg.result() == QDialog.DialogCode.Accepted:
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96 colour = colDlg.selectedColor()
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97 size = button.iconSize()
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98 pm = QPixmap(size.width(), size.height())
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99 pm.fill(colour)
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100 button.setIcon(QIcon(pm))
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101 self.__coloursDict[colorKey][0] = colour
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102
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103 # Update colour selection
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104 self.colourChanged.emit(colorKey, self.__coloursDict[colorKey][0])
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105
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106 def saveColours(self, prefMethod):
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107 """
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108 Public method to save the colour selections.
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109
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110 @param prefMethod preferences method to set the colour
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111 """
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112 for key in self.__coloursDict:
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113 if self.__coloursDict[key][1]:
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114 prefMethod(key, self.__coloursDict[key][0].name())
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115 else:
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116 prefMethod(key, self.__coloursDict[key][0])
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117
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118 def selectFont(self, fontSample, fontVar, showFontInfo=False,
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119 options=None):
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120 """
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121 Public method used by the font selection buttons.
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122
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123 @param fontSample reference to the font sample widget (QLineEdit)
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124 @param fontVar reference to the variable containing the font (QFont)
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125 @param showFontInfo flag indicating to show some font info
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126 as the sample (boolean)
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6fa2418f010c Finalized the hex editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
127 @param options options for the font dialog
8319
ea11a3948f40 Continued porting eric to PyQt6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8318
diff changeset
128 (QFontDialog.FontDialogOption)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
129 @return selected font (QFont)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
130 """
5653
c023821bb25f Fixed a few code style issues related to the usage of class instances for default arguments.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
131 if options is None:
8319
ea11a3948f40 Continued porting eric to PyQt6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8318
diff changeset
132 options = QFontDialog.FontDialogOption(0)
4676
c65b401b775e Implemented a fix for the last change to work with Qt4/PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4673
diff changeset
133 font, ok = QFontDialog.getFont(fontVar, self, "", options)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 if ok:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 fontSample.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 if showFontInfo:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 fontSample.setText(
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 "{0} {1}".format(font.family(), font.pointSize()))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 font = fontVar
7012
cc3f83d1a605 Colors for highlighting are configurable through Debugger->General
T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 6942
diff changeset
141 return font # __IGNORE_WARNING_M834__

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