small pauze between filtering keystrokes

1 files changed, 15 insertions, 6 deletions

diff --git a/winMain.py b/winMain.py
index 7221590..eabf523 100644
--- a/winMain.py
+++ b/winMain.py
@@ -425,6 +425,7 @@ class Playlist(QtGui.QWidget):
 	headers=None
 	winMain=None
 	onKeyPress=None
+	_timerID=None
 
 	def __init__(self, parent, wMain, headers, name, onDoubleClick, onKeyPress):
 		QtGui.QWidget.__init__(self, parent)
@@ -443,14 +444,22 @@ class Playlist(QtGui.QWidget):
 		frame.addWidget(self.lstSongs)
 		self.setLayout(frame)
 		
-		self.connect(self.txtFilter, QtCore.SIGNAL('textChanged(const QString&)'),
-			self.filter)
-		self.connect(self.txtFilter, QtCore.SIGNAL('editingFinished()'),
-			self.filter)
-
+		self.connect(self.txtFilter, QtCore.SIGNAL('textChanged(const QString&)'), self.txtFilterChange)
+		self.connect(self.txtFilter, QtCore.SIGNAL('editingFinished()'), self.txtFilterQuit)
+	
+	_prevTxtFilter=None
+	def timerEvent(self, event):
+		if self.txtFilter.text()!=self._prevTxtFilter:
+			self.filter()
 	def keyPressEvent(self, event):
 		self.onKeyPress(event)
-
+	def txtFilterChange(self):
+		if self._timerID==None:
+			self._timerID=self.startTimer(500)
+	def txtFilterQuit(self):
+		if self._timerID:
+			self.killTimer(self._timerID)
+			self._timerID=None
 	def update(self, songs):
 		self.lstSongs.updateSongs(songs)
 		if len(self.txtFilter.text()):