Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Preferences/ConfigurationPages/IconsPreviewDialog.py	Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,88 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to preview the contents of an icon directory.
+"""
+
+import os.path
+
+from PyQt6.QtCore import pyqtSlot, QDir
+from PyQt6.QtGui import QIcon, QPalette
+from PyQt6.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.__backgroundColor = palette.color(QPalette.ColorRole.Window)
+        self.__foregroundColor = palette.color(QPalette.ColorRole.WindowText)
+        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.__backgroundColor)
+            else:
+                itm.setForeground(self.__foregroundColor)
+    
+    @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
+        
+        styleSheet = (
+            f"color: {self.__backgroundColor.name()};"
+            f"background-color: {self.__foregroundColor.name()}"
+            if self.__inverted else
+            f"color: {self.__foregroundColor.name()};"
+            f"background-color: {self.__backgroundColor.name()}"
+        )
+        self.iconView.viewport().setStyleSheet(styleSheet)
+        
+        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)