Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/Preferences/ConfigurationPages/IconsPreviewDialog.py	Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,88 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to preview the contents of an icon directory.
+"""
+
+import os.path
+
+from PyQt5.QtCore import pyqtSlot, QDir
+from PyQt5.QtGui import QIcon, QPalette
+from PyQt5.QtWidgets import QListWidgetItem, QDialog
+
+from .Ui_IconsPreviewDialog import Ui_IconsPreviewDialog
+
+
+class IconsPreviewDialog(QDialog, Ui_IconsPreviewDialog):
+    """
+    Class implementing a dialog to preview the contents of an icon directory.
+    """
+    def __init__(self, directories, parent=None):
+        """
+        Constructor
+        
+        @param directories list of directories to be shown
+        @type list of str
+        @param parent parent widget
+        @type QWidget
+        """
+        super().__init__(parent)
+        self.setupUi(self)
+        
+        palette = self.iconView.palette()
+        self.__baseBrush = palette.brush(QPalette.ColorRole.Base)
+        self.__textBrush = palette.brush(QPalette.ColorRole.Text)
+        self.__inverted = False
+        
+        self.directoryCombo.addItems(sorted(directories))
+    
+    @pyqtSlot(str)
+    def on_directoryCombo_currentTextChanged(self, dirName):
+        """
+        Private slot to show the icons of the selected icon directory.
+        
+        @param dirName selected icon directory
+        @type str
+        """
+        self.iconView.clear()
+        directory = QDir(dirName)
+        for icon in directory.entryList(["*.svg", "*.svgz", "*.png"]):
+            itm = QListWidgetItem(
+                QIcon(os.path.join(dirName, icon)),
+                icon, self.iconView)
+            if self.__inverted:
+                itm.setForeground(self.__baseBrush)
+            else:
+                itm.setForeground(self.__textBrush)
+    
+    @pyqtSlot(bool)
+    def on_invertButton_toggled(self, checked):
+        """
+        Private slot to show the icons on an inverted background.
+        
+        @param checked state of the button
+        @type bool
+        """
+        self.__inverted = checked
+        
+        palette = self.iconView.palette()
+        if self.__inverted:
+            palette.setBrush(QPalette.ColorRole.Base, self.__textBrush)
+            palette.setBrush(QPalette.ColorRole.Text, self.__baseBrush)
+        else:
+            palette.setBrush(QPalette.ColorRole.Base, self.__baseBrush)
+            palette.setBrush(QPalette.ColorRole.Text, self.__textBrush)
+        self.iconView.viewport().setPalette(palette)
+        
+        self.on_refreshButton_clicked()
+    
+    @pyqtSlot()
+    def on_refreshButton_clicked(self):
+        """
+        Private slot to refresh the view.
+        """
+        currentDirectory = self.directoryCombo.currentText()
+        self.on_directoryCombo_currentTextChanged(currentDirectory)