UVC Pan/Tilt control program for GTK in Python

pyuvcdyncrtl.py

#!/usr/bin/env python
########################################################
# Created by: Steve Cundy
# Date Modified: Jan 29, 2008
#
# Purpose: quick and dirty gui to control PTZ of my
# Logitech Quickcam Orbit AF (actually there is no zoom
# control :)
#
# To Do:
# - Modify icons and labels
# - Detect difference between click and hold for
#	continued movement of cam
# - Find out what doesn't work
# - Actually learn how to code in python instead of
#	hacking together other peoples code
########################################################

import gtk
import subprocess

## The following imports aren't needed??
#import pygtk
#import gobject
#from subprocess import *

## The full path to uvcdynctrl
UVCDYNCTRLEXEC="/usr/bin/uvcdynctrl"

## The value indicates amount of movement for panning and tilt
## Max Ranges (determined with uvcdynctrl -v -c):
## 	Tilt = -1920 to 1920
##	Pan  = -4480 to 4480
panRight = "-100"
panLeft = "100"
tiltUp = "-100"
tiltDown = "100"

## Declare the main class
class ccUVCPTZ_Main:
	## Define the init script to initialize the application
	def __init__(self):
		## Prep the Main Window for stuff
		window = gtk.Window(gtk.WINDOW_TOPLEVEL)
		window.set_title("ccUVCPTZ")
		window.connect("delete_event", self.hide, window)
		window.connect("window-state-event", self.window_event, window)

		## Create a StatusIcon for the app
		statusIcon = gtk.StatusIcon()

		## Let's build the menu for the StatusIcon
		self.sMenu = gtk.Menu()
		menuItem = gtk.ImageMenuItem(gtk.STOCK_OPEN)
		menuItem.connect('activate', self.activate_window, window)
		self.sMenu.append(menuItem)
		menuItem = gtk.ImageMenuItem(gtk.STOCK_QUIT)
		menuItem.connect('activate', self.exit, statusIcon)
		self.sMenu.append(menuItem)

		## Don't forget to include the icon actions itself
		statusIcon.set_from_stock(gtk.STOCK_HOME)
		statusIcon.set_tooltip("StatusIcon test")
		statusIcon.connect('activate', self.activate_window, window)
		statusIcon.connect('popup-menu', self.popup_menu, self.sMenu)
		statusIcon.set_visible(True)

		## Let's use a table to make a nice pretty grid for our buttons
		self.table = gtk.Table(5, 3, True)
		window.add(self.table)
		## Time to build the buttons
		# Tilt Up Button
		self.tiltupBtn = gtk.Button(stock=gtk.STOCK_GO_UP)
		self.tiltupBtn.connect("clicked", self.ptUp)
		self.table.attach(self.tiltupBtn, 1, 2, 0, 1)

		# Pan Left Button
		self.panleftBtn = gtk.Button(stock=gtk.STOCK_GO_BACK)
		self.panleftBtn.connect("clicked", self.ptLeft)
		self.table.attach(self.panleftBtn, 0, 1, 1, 2)

		# Pan/tilt Reset Button
		self.resetBtn = gtk.Button(stock=gtk.STOCK_UNDO)
		self.resetBtn.connect("clicked", self.ptReset)
		self.table.attach(self.resetBtn, 1, 2, 1, 2)

		# Pan Right Button
		self.panrightBtn = gtk.Button(stock=gtk.STOCK_GO_FORWARD)
		self.panrightBtn.connect("clicked", self.ptRight)
		self.table.attach(self.panrightBtn, 2, 3, 1, 2)

		# Tilt Down Button
		self.tiltdownBtn = gtk.Button(stock=gtk.STOCK_GO_DOWN)
		self.tiltdownBtn.connect("clicked", self.ptDown)
		self.table.attach(self.tiltdownBtn, 1, 2, 2, 3)

		# Quit Button
		self.quitBtn = gtk.Button(stock=gtk.STOCK_QUIT)
		self.quitBtn.connect("clicked", self.exit)
		self.table.attach(self.quitBtn, 1, 2, 4, 5)

		# Now display the table we built
		self.table.show()

		# Show the entire window
		window.show_all()
	
	## Now for the subfunctions required to actually do something for our app
	# Tilt up
	def ptUp(self, widget):
		control = "Tilt (relative)"
		value = tiltUp
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Pan Left
	def ptLeft(self, widget):
		control = "Pan (relative)"
		value = panLeft
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Pan/Tilt Reset	
	def ptReset(self, widget):
		control = "Pan/tilt Reset"
		value = "3"
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, value]), 
		return True

	# Pan Right
	def ptRight(self, widget):
		control = "Pan (relative)"
		value = panRight
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Tilt Down
	def ptDown(self, widget):
		control = "Tilt (relative)"
		value = tiltDown
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Quit the application completely
	def exit(self, widget, data=None):
		gtk.main_quit()

	# Hide the window on certain events
	def hide(self, widget, button, window):
		if window.get_property ('visible'):
			window.hide()
		return window

	# Detect if window was minimized and hide
	def window_event(self, widget, event, window):
		if event.changed_mask & gtk.gdk.WINDOW_STATE_ICONIFIED:
		      if event.new_window_state & gtk.gdk.WINDOW_STATE_ICONIFIED:
			 window.hide()
		return window

	# Show the popup menu
	def popup_menu(self, widget, button, time, sMenu = None):
		if sMenu:
			sMenu.show_all()
			sMenu.popup(None, None, None, 3, time)
		pass

	# Show the window if otherwise hidden, background, or minimized
	def activate_window(self, widget, window):
		if window.get_property ('visible'):
			window.present()
		else:
			window.show_all()
			window.deiconify()

## Let's call our class and load all info
ccUVCPTZ_Main()

## I don't think I need to worry about threads here??
#gtk.gdk.threads_init()

## Now let's run the init part of the script
gtk.main()#!/usr/bin/env python
########################################################
# Created by: Steve Cundy
# Date Modified: Jan 29, 2008
#
# Purpose: quick and dirty gui to control PTZ of my
# Logitech Quickcam Orbit AF (actually there is no zoom
# control :)
#
# To Do:
# - Modify icons and labels
# - Detect difference between click and hold for
#	continued movement of cam
# - Find out what doesn't work
# - Actually learn how to code in python instead of
#	hacking together other peoples code
########################################################

import gtk
import subprocess

## The following imports aren't needed??
#import pygtk
#import gobject
#from subprocess import *

## The full path to uvcdynctrl
UVCDYNCTRLEXEC="/usr/bin/uvcdynctrl"

## The value indicates amount of movement for panning and tilt
## Max Ranges (determined with uvcdynctrl -v -c):
## 	Tilt = -1920 to 1920
##	Pan  = -4480 to 4480
panRight = "-100"
panLeft = "100"
tiltUp = "-100"
tiltDown = "100"

## Declare the main class
class ccUVCPTZ_Main:
	## Define the init script to initialize the application
	def __init__(self):
		## Prep the Main Window for stuff
		window = gtk.Window(gtk.WINDOW_TOPLEVEL)
		window.set_title("ccUVCPTZ")
		window.connect("delete_event", self.hide, window)
		window.connect("window-state-event", self.window_event, window)

		## Create a StatusIcon for the app
		statusIcon = gtk.StatusIcon()

		## Let's build the menu for the StatusIcon
		self.sMenu = gtk.Menu()
		menuItem = gtk.ImageMenuItem(gtk.STOCK_OPEN)
		menuItem.connect('activate', self.activate_window, window)
		self.sMenu.append(menuItem)
		menuItem = gtk.ImageMenuItem(gtk.STOCK_QUIT)
		menuItem.connect('activate', self.exit, statusIcon)
		self.sMenu.append(menuItem)

		## Don't forget to include the icon actions itself
		statusIcon.set_from_stock(gtk.STOCK_HOME)
		statusIcon.set_tooltip("StatusIcon test")
		statusIcon.connect('activate', self.activate_window, window)
		statusIcon.connect('popup-menu', self.popup_menu, self.sMenu)
		statusIcon.set_visible(True)

		## Let's use a table to make a nice pretty grid for our buttons
		self.table = gtk.Table(5, 3, True)
		window.add(self.table)
		## Time to build the buttons
		# Tilt Up Button
		self.tiltupBtn = gtk.Button(stock=gtk.STOCK_GO_UP)
		self.tiltupBtn.connect("clicked", self.ptUp)
		self.table.attach(self.tiltupBtn, 1, 2, 0, 1)

		# Pan Left Button
		self.panleftBtn = gtk.Button(stock=gtk.STOCK_GO_BACK)
		self.panleftBtn.connect("clicked", self.ptLeft)
		self.table.attach(self.panleftBtn, 0, 1, 1, 2)

		# Pan/tilt Reset Button
		self.resetBtn = gtk.Button(stock=gtk.STOCK_UNDO)
		self.resetBtn.connect("clicked", self.ptReset)
		self.table.attach(self.resetBtn, 1, 2, 1, 2)

		# Pan Right Button
		self.panrightBtn = gtk.Button(stock=gtk.STOCK_GO_FORWARD)
		self.panrightBtn.connect("clicked", self.ptRight)
		self.table.attach(self.panrightBtn, 2, 3, 1, 2)

		# Tilt Down Button
		self.tiltdownBtn = gtk.Button(stock=gtk.STOCK_GO_DOWN)
		self.tiltdownBtn.connect("clicked", self.ptDown)
		self.table.attach(self.tiltdownBtn, 1, 2, 2, 3)

		# Quit Button
		self.quitBtn = gtk.Button(stock=gtk.STOCK_QUIT)
		self.quitBtn.connect("clicked", self.exit)
		self.table.attach(self.quitBtn, 1, 2, 4, 5)

		# Now display the table we built
		self.table.show()

		# Show the entire window
		window.show_all()
	
	## Now for the subfunctions required to actually do something for our app
	# Tilt up
	def ptUp(self, widget):
		control = "Tilt (relative)"
		value = tiltUp
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Pan Left
	def ptLeft(self, widget):
		control = "Pan (relative)"
		value = panLeft
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Pan/Tilt Reset	
	def ptReset(self, widget):
		control = "Pan/tilt Reset"
		value = "3"
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, value]), 
		return True

	# Pan Right
	def ptRight(self, widget):
		control = "Pan (relative)"
		value = panRight
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Tilt Down
	def ptDown(self, widget):
		control = "Tilt (relative)"
		value = tiltDown
		result = subprocess.Popen([UVCDYNCTRLEXEC, "-s", control, "--", value]), 
		return True

	# Quit the application completely
	def exit(self, widget, data=None):
		gtk.main_quit()

	# Hide the window on certain events
	def hide(self, widget, button, window):
		if window.get_property ('visible'):
			window.hide()
		return window

	# Detect if window was minimized and hide
	def window_event(self, widget, event, window):
		if event.changed_mask & gtk.gdk.WINDOW_STATE_ICONIFIED:
		      if event.new_window_state & gtk.gdk.WINDOW_STATE_ICONIFIED:
			 window.hide()
		return window

	# Show the popup menu
	def popup_menu(self, widget, button, time, sMenu = None):
		if sMenu:
			sMenu.show_all()
			sMenu.popup(None, None, None, 3, time)
		pass

	# Show the window if otherwise hidden, background, or minimized
	def activate_window(self, widget, window):
		if window.get_property ('visible'):
			window.present()
		else:
			window.show_all()
			window.deiconify()

## Let's call our class and load all info
ccUVCPTZ_Main()

## I don't think I need to worry about threads here??
#gtk.gdk.threads_init()

## Now let's run the init part of the script
gtk.main()

Were you able to control the motors? Since its not a normal UVC cam?

Hi man, I want to use this to finish my final project... But I confront some problems...Could you help me?