eric6/Preferences/ConfigurationPages/IconsPreviewDialog.py

Wed, 30 Dec 2020 11:00:44 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 30 Dec 2020 11:00:44 +0100
branch
maintenance
changeset 7924
8a96736d465e
parent 7780
41420f82c0ac
child 8143
2c730d5fd177
permissions
-rw-r--r--

Updated copyright for 2021.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2004 - 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 preview the contents of an icon directory.
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8 """
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9
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10 import os.path
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11
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12 from PyQt5.QtCore import pyqtSlot, QDir
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13 from PyQt5.QtGui import QIcon, QPalette
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14 from PyQt5.QtWidgets import QListWidgetItem, QDialog
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15
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1d8dd9706f46 First commit after changing to Python 3.1.
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16 from .Ui_IconsPreviewDialog import Ui_IconsPreviewDialog
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18
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19 class IconsPreviewDialog(QDialog, Ui_IconsPreviewDialog):
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20 """
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21 Class implementing a dialog to preview the contents of an icon directory.
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22 """
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23 def __init__(self, directories, parent=None):
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24 """
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25 Constructor
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26
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27 @param directories list of directories to be shown
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28 @type list of str
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29 @param parent parent widget
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30 @type QWidget
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31 """
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32 super(IconsPreviewDialog, self).__init__(parent)
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33 self.setupUi(self)
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34
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35 palette = self.iconView.palette()
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36 self.__baseBrush = palette.brush(QPalette.Base)
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37 self.__textBrush = palette.brush(QPalette.Text)
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38 self.__inverted = False
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39
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40 self.directoryCombo.addItems(sorted(directories))
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41
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parents: 7360
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42 @pyqtSlot(str)
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43 def on_directoryCombo_currentTextChanged(self, dirName):
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44 """
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45 Private slot to show the icons of the selected icon directory.
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46
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parents: 7360
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47 @param dirName selected icon directory
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48 @type str
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49 """
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50 self.iconView.clear()
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51 directory = QDir(dirName)
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52 for icon in directory.entryList(["*.svg", "*.svgz", "*.png"]):
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53 itm = QListWidgetItem(
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54 QIcon(os.path.join(dirName, icon)),
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55 icon, self.iconView)
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56 if self.__inverted:
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57 itm.setForeground(self.__baseBrush)
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58 else:
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59 itm.setForeground(self.__textBrush)
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60
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61 @pyqtSlot(bool)
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62 def on_invertButton_toggled(self, checked):
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63 """
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64 Private slot to show the icons on an inverted background.
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65
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66 @param checked state of the button
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67 @type bool
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68 """
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69 self.__inverted = checked
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70
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71 palette = self.iconView.palette()
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72 if self.__inverted:
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73 palette.setBrush(QPalette.Base, self.__textBrush)
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parents: 7360
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74 palette.setBrush(QPalette.Text, self.__baseBrush)
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parents: 7360
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75 else:
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parents: 7360
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76 palette.setBrush(QPalette.Base, self.__baseBrush)
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parents: 7360
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77 palette.setBrush(QPalette.Text, self.__textBrush)
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parents: 7360
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78 self.iconView.viewport().setPalette(palette)
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79
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80 self.on_refreshButton_clicked()
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81
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82 @pyqtSlot()
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parents: 7360
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83 def on_refreshButton_clicked(self):
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84 """
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parents: 7360
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85 Private slot to refresh the view.
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parents: 7360
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86 """
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parents: 7360
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87 currentDirectory = self.directoryCombo.currentText()
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88 self.on_directoryCombo_currentTextChanged(currentDirectory)

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