Code-Bin #116 - pygtk images and threads

pygtk images and threads
Posted by: freeall | February 24, 2008 @ 6:51am

Python Code

#!/usr/bin/env python

import sys
import pango
import threading
from threading import Thread
import time
try:
    import pygtk
    pygtk.require("2.0")
except:
    pass
try:
    import gtk
    import gtk.glade
except:
    sys.exit(1)
    
class MainWindowGTK:

def __init__(self):
        
        #Set the Glade file
        self.gladefile = "prototype.glade"  
        self.wTree = gtk.glade.XML(self.gladefile) 
        
        #Create our dictionay and connect it
        dic = { "on_wndMain_destroy_event" : gtk.main_quit,
               "on_imgJa_button_press_event"  : self.ja_press,
               "on_imgNej_button_press_event" : self.nej_press}
               #"on_imgJa_button_release_event" : self.ja_press,
               #"on_imgNej_button_release_event" : self.nej_press}
        self.wTree.signal_autoconnect(dic)
        
        # Set font stuff
        label = self.wTree.get_widget("lblHeader")
        label.modify_font(pango.FontDescription("sans 28"))
        label = self.wTree.get_widget("lblClock")
        label.modify_font(pango.FontDescription("sans 15"))
        window = self.wTree.get_widget("wndMain")
        window.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse("#5295E1"))
        # label.set_alignment(0, 0.5)
        
    def ja_press(self, widget, event):
        breakbreakbreakbreak
        image = self.wTree.get_widget("imgJa")
        image.set_from_file("button_ja_clicked.png")
        Thread(target=self.change_back, args=(image,"button_ja.png")).start()
            
    def nej_press(self, widget, event):
        image = self.wTree.get_widget("imgNej")
        image.set_from_file("button_nej_clicked.png")
        myThread = ChangeBackThread(image, "button_nej.png")
        myThread.start()
        #myThread = Thread(target=self.change_back, args=(image,"button_nej.png"))
        #myThread.start()
        
    def change_back(self, image, filename):
        print "should change back in one second"
        time.sleep(1)
        image.set_from_file(filename)
        print "should have change image to " + filename + " by now"
        
class ChangeBackThread(threading.Thread):
    img = 0
    name = 0
    
    def __init__(self, image, fname):
        threading.Thread.__init__(self)
        self.img = image
        self.name = fname

def run(self):
        time.sleep(1)
        print "Setting image to " + self.name
        self.img.set_from_file(self.name)
        self.img.queue_draw

if __name__ == "__main__":
    hwg = MainWindowGTK()
    gtk.main()

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