diff -r 31463df17fd5 -r b5c84934de9c E5Gui/E5SqueezeLabels.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/E5Gui/E5SqueezeLabels.py Wed Jan 13 18:53:58 2010 +0000
@@ -0,0 +1,121 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2008 - 2010 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing labels that squeeze their contents to fit the size of the label.
+"""
+
+from PyQt4.QtCore import Qt
+from PyQt4.QtGui import QLabel
+
+from Utilities import compactPath
+
+class E5SqueezeLabel(QLabel):
+ """
+ Class implementing a label that squeezes its contents to fit it's size.
+ """
+ def __init__(self, parent = None):
+ """
+ Constructor
+
+ @param parent reference to the parent Widget (QWidget)
+ """
+ QLabel.__init__(self, parent)
+
+ self.__text = ''
+ self.__elided = ''
+
+ def paintEvent(self, event):
+ """
+ Protected method called when some painting is required.
+
+ @param event reference to the paint event (QPaintEvent)
+ """
+ fm = self.fontMetrics()
+ if fm.width(self.__text) > self.contentsRect().width():
+ self.__elided = fm.elidedText(self.text(), Qt.ElideMiddle, self.width())
+ QLabel.setText(self, self.__elided)
+ else:
+ QLabel.setText(self, self.__text)
+ QLabel.paintEvent(self, event)
+
+ def setText(self, txt):
+ """
+ Public method to set the label's text.
+
+ @param txt the text to be shown (string)
+ """
+ self.__text = txt
+ QLabel.setText(self, self.__text)
+
+class E5SqueezeLabelPath(QLabel):
+ """
+ Class implementing a label showing a file path compacted to fit it's size.
+ """
+ def __init__(self, parent = None):
+ """
+ Constructor
+
+ @param parent reference to the parent Widget (QWidget)
+ """
+ QLabel.__init__(self, parent)
+
+ self.__path = ''
+ self.__surrounding = "{0}"
+
+ def setSurrounding(self, surrounding):
+ """
+ Public method to set the surrounding of the path string.
+
+ @param surrounding the a string containg placeholders for the path (string)
+ """
+ self.__surrounding = surrounding
+ QLabel.setText(self, self.__surrounding.format(self.__path))
+
+ def setPath(self, path):
+ """
+ Public method to set the path of the label.
+
+ @param path path to be shown (string)
+ """
+ self.__path = path
+ QLabel.setText(self, self.__surrounding.format(self.__path))
+
+ def setTextPath(self, surrounding, path):
+ """
+ Public method to set the surrounding and the path of the label.
+
+ @param surrounding the a string containg placeholders for the path (string)
+ @param path path to be shown (string)
+ """
+ self.__surrounding = surrounding
+ self.__path = path
+ QLabel.setText(self, self.__surrounding.format(self.__path))
+
+ def paintEvent(self, event):
+ """
+ Protected method called when some painting is required.
+
+ @param event reference to the paint event (QPaintEvent)
+ """
+ fm = self.fontMetrics()
+ if fm.width(self.__surrounding.format(self.__path)) > self.contentsRect().width():
+ QLabel.setText(self,
+ self.__surrounding.format(compactPath(self.__path,
+ self.contentsRect().width(),
+ self.length))
+ )
+ else:
+ QLabel.setText(self, self.__surrounding.format(self.__path))
+ QLabel.paintEvent(self, event)
+
+ def length(self, txt):
+ """
+ Public method to return the length of a text in pixels.
+
+ @param txt text to calculate the length for after wrapped (string)
+ @return length of the wrapped text in pixels (integer)
+ """
+ return self.fontMetrics().width(self.__surrounding.format(txt))
\ No newline at end of file
