[pygtk] Implementing command history with a gtk.Entry

[N. French]

Um, no I don't want completion behavior, I want to capture the up/down
arrows from the gtk.Entry and act on them.
 
Thanks though.  Anyone else?
 
> --- Paul Malherbe <paul at tartan.co.za> wrote:
> 
> 
> > Hi
> > 
> > Here is a class I wrote which might help!
> > 
> > Regards
> > > #!/usr/bin/python
> > 
> > try:
> > 	import pygtk
> > 	pygtk.require("2.0")
> > 	import gtk, os, popen2, sys, time
> > except:
> > 	sys.exit()
> > 
> > class RunPrg:
> > 	def __init__(self, cmd):
> > 		if cmd:
> > 			self.runCmd(cmd)
> > 		else:
> > 			self.runProcess()
> > 
> > 	def runProcess(self):
> > 		win = gtk.Window()
> > 		win.connect("destroy", self.destroy)
> > 		win.connect("delete_event", self.destroy)
> > 		win.connect("key_press_event", self.keyPress)
> > 		hor = gtk.HBox(False, 0)
> > 		lab = gtk.Label("Command")
> > 		self.ent = gtk.Entry()
> > 		self.aut = gtk.EntryCompletion()
> > 		self.lst = gtk.ListStore(str)
> > 		self.aut.set_model(self.lst)
> > 		self.ent.set_completion(self.aut)
> > 		self.aut.set_text_column(0)
> > 		self.openFile()
> > 		self.ent.connect("activate", self.getCmd, self.ent)
> > 		self.aut.connect("match-selected", self.getCmd, self.ent)
> > 		if self.last:
> > 			self.ent.set_text(self.last)
> > 		chk = gtk.CheckButton("Xterm")
> > 		chk.connect("toggled", self.getCmd, self.ent)
> > 		hor.pack_start(lab, False, False, 5)
> > 		hor.pack_start(self.ent, False, False, 5)
> > 		hor.pack_start(chk, False, False, 5)
> > 		win.add(hor)
> > 		win.show_all()
> > 		win.set_position(gtk.WIN_POS_CENTER_ALWAYS)
> > 		gtk.main()
> > 
> > 	def keyPress(self, widget, data):
> > 		while gtk.events_pending():
> > 			gtk.main_iteration()
> > 		keyname = gtk.gdk.keyval_name(data.keyval)
> > 		if keyname == "Escape":
> > 			self.destroy()
> > 		elif keyname not in ("Up", "Down"):
> > 			return
> > 		elif not self.data:
> > 			return
> > 		if keyname == "Up":
> > 			if self.pos == len(self.data):
> > 				pass
> > 			else:
> > 				self.pos += 1
> > 		elif self.pos:
> > 			self.pos -= 1
> > 		if self.pos == len(self.data):
> > 			self.ent.set_text(self.last)
> > 		else:
> > 			self.ent.set_text(self.data[self.pos])
> > 		self.ent.grab_focus()
> > 
> > 	def openFile(self):
> > 		self.lst.clear()
> > 		self.data = []
> > 		self.last = None
> > 		home = os.environ.get("HOME")
> > 		if not os.path.isfile("%s/.runprgrc" % home):
> > 			self.file = open("%s/.runprgrc" % home, "w")
> > 		else:
> > 			self.file = open("%s/.runprgrc" % home, "r+")
> > 			old = self.file.readlines()
> > 			for line in old:
> > 				self.last = line.replace("\n", "")
> > 				if not self.data.count(self.last):
> > 					self.data.append(self.last)
> > 					self.lst.append([self.last])
> > 		self.pos = len(self.data)
> > 
> > 	def destroy(self, *args):
> > 		gtk.main_quit()
> > 		sys.exit()
> > 
> > 	def getCmd(self, *args):
> > 		gtk.main_quit()
> > 		while gtk.events_pending():
> > 			gtk.main_iteration()
> > 		if type(args[0]) == gtk.CheckButton:
> > 			xtm = args[0].get_active()
> > 			cmd = args[1].get_text()
> > 		elif type(args[0]) == gtk.EntryCompletion:
> > 			xtm = False
> > 			cmd = args[1][args[2]][0]
> > 		else:
> > 			xtm = False
> > 			cmd = args[1].get_text()
> > 		# Check if valid command and on path
> > 		prg = cmd.split()[0]
> > 		if os.path.exists(prg):
> > 			yes = True
> > 		else:
> > 			yes = False
> > 			path = os.environ["PATH"].split(":")
> > 			for p in path:
> > 				if os.path.exists(os.path.join(p, prg)):
> > 					yes = True
> > 		# Execute if valid
> > 		if yes:
> > 			if xtm:
> > 				err = self.runCmd("exec xterm -e '%s|less'" % cmd)
> > 			else:
> > 				err = self.runCmd("%s" % cmd)
> > 			if not err:
> > 				self.file.write("%s\n" % cmd)
> > 		# Exit
> > 		self.file.close()
> > 		sys.exit()
> > 
> > 	def runCmd(self, cmd):
> > 		try:
> > 			fl1 = popen2.Popen3(cmd, True)
> > 		except:
> > 			return "error"
> > 
> > if __name__ == "__main__":
> > 	if len(sys.argv) > 1:
> > 		inn = sys.argv[1:]
> > 		cmd = inn[0]
> > 		for c in inn[1:]:
> > 			cmd = "%s %s" % (cmd, c)
> > 	else:
> > 		cmd = None
> > 	RunPrg(cmd)
> > 
> 
> 
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