Help with Tkinter

[fahadqureshi]

i am trying to make a gui and need some help on how to link buttons to certain commands. here is my code:

from Tkinter import *
root =Tk()
root.geometry('300x200')
root.title('EXAM')
Label (text='Enter a Bus Number').pack(side=TOP,padx=10,pady=10)
Entry(root, width=6).pack(side=TOP,padx=10,pady=10)
Button(root, text='EXAM').pack(side= TOP, padx=10, pady=10)
Button(root, text='Quit').pack(side= BOTTOM, padx=10, pady=10)
root.mainloop()
 

when i click on EXAM i want it to do grab the number thats enterd in the entry field so i can use it for further calculations. and when i click on quit i want it to exit the program. how do i go about doing this. and also i want to program to keep running unless i click on quit. for example i might want to enter more bus numbers. and the bus number will always be a 6 digit number so what would be advisable as far as definition. should i define it as an integer or a character or something.

[Strider1066]

Hi, being a newbie myself so take the following with a grain of salt.

Most or many Tkinker objects can 'bind' to a method | function.

 
    def makeTButton(self, text):
        self.a = TaskButton( self.frm, text = text)
        self.a.configure(bg = 'green', width = 12)
        self.a.bind("<ButtonRelease-1>", self.tBtnClicked) 
        self.a.pack()
        return self.a._name

tBtnClicked being a method

There are several Tkinter references. See Tkinter reference: a GUI for Python from the New Mexico Tech Computer Center. Or see effbot.org

[ilikepython]

i am trying to make a gui and need some help on how to link buttons to certain commands. here is my code:

from Tkinter import *
root =Tk()
root.geometry('300x200')
root.title('EXAM')
Label (text='Enter a Bus Number').pack(side=TOP,padx=10,pady=10)
Entry(root, width=6).pack(side=TOP,padx=10,pady=10)
Button(root, text='EXAM').pack(side= TOP, padx=10, pady=10)
Button(root, text='Quit').pack(side= BOTTOM, padx=10, pady=10)
root.mainloop()
 

when i click on EXAM i want it to do grab the number thats enterd in the entry field so i can use it for further calculations. and when i click on quit i want it to exit the program. how do i go about doing this. and also i want to program to keep running unless i click on quit. for example i might want to enter more bus numbers. and the bus number will always be a 6 digit number so what would be advisable as far as definition. should i define it as an integer or a character or something.

You need to use the comman attribute of a button:

def onExam(ent):
    # do something with the entry
 
from Tkinter import *
root = Tk()
root.geometry('300x200')
root.title('EXAM')
Label (root, text='Enter a Bus Number').pack(side=TOP,padx=10,pady=10)
ent = Entry(root, width=6)
ent.pack(side=TOP,padx=10,pady=10)
Button(root, text='EXAM', command = lambda ent=ent: onExam(ent)).pack(side= TOP, padx=10, pady=10)
Button(root, text='Quit', command = root.quit()).pack(side= BOTTOM, padx=10, pady=10)
root.mainloop()
 

I think it's better with a class though:

class MyGui(Frame):
    def __init__(self, parent=None):
        Frame.__init__(self, parent)
 
        Label(self, text='Enter a Bus Number').pack(side=TOP,padx=10,pady=10)
        self.ent = Entry(self, width=6)
        self.ent.pack(side=TOP,padx=10,pady=10)
        Button(self, text='EXAM', command = self.onExam).pack(side= TOP, padx=10, pady=10)
        Button(self, text='Quit', command = self.quit).pack(side= BOTTOM, padx=10, pady=10)
 
    def onExam(self):
        # do something with self.ent
 

[fahadqureshi]

ok i went back and redid a lot of the code and decided to go a simpler route. now all i need the program to do is, upon the user pressing enter i want the program to take the 6 digit number in the entry field and use it for further calculations. the program runs ok as far as the gui showing up and all but when i press enter after entering the number in the entry field i get the folloing error.

Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Python23\Lib\lib-tk\Tkinter.py", line 1345, in __call__
return self.func(*args)
TypeError: Display() takes exactly 1 argument (2 given)

and also for some reason the program wont quit when i press the Quit button.
Here is the code

from Tkinter import *
import tkMessageBox
 
class GUIFramework(Frame):
 
 
    def __init__(self,master=None):
 
        Frame.__init__(self,master)
 
        """Window Title"""
        self.master.title("EXAM")
        self.master.geometry('250x350')
 
        self.grid(padx=10,pady=10)
        self.Exam()
 
    def Exam(self):
 
        """Text"""
        self.lbText = Label(self, text="Enter Bus Number:")
        self.lbText.grid(row=0, column=1,padx=10,pady=10)
 
        """ Entry"""
        self.enText = Entry(self, width=6)
        self.enText.grid(row=1, column=1, padx=5, pady=5)
        self.enText.bind("<Return>", self.Display)  
 
        """Exit Button"""
        self.btnDisplay = Button(self, text="QUIT",font=( "Impat", "12", "bold"), command=self.exit())
        self.btnDisplay.grid(row=3, column=1, padx=50, pady=50)
 
 
    def Display(self):
        print self.enText.get()
 
    def exit(self):
        self.quit()
 
 
if __name__ == "__main__":
    guiFrame = GUIFramework()
    guiFrame.mainloop()
 

[fahadqureshi]

Disregard the previous post. i got the program to do what i wanted to do. now i am almost done with my project. the last and final problem i am having is that the gui wont close when i click on the quit button. I am sure there is a simple and quick fix to this but being a newbie i dont know what it is. when i click on quit the gui just freezes on the screen. here is the code

from Tkinter import *
import tkMessageBox
 
class GUIFramework(Frame):
 
 
    def __init__(self,master=None):
 
        """Initialise the base class"""
        Frame.__init__(self,master)
 
        """Set the Window Title"""
        self.master.title("EXAM & POUT")
        self.master.geometry('200x300')
        """Display the main window"""
        self.grid(padx=10,pady=10)
        self.lbText = Label(self, text="Enter Bus Number:")
        self.lbText.grid(row=0, column=1,padx=5,pady=5)
 
        """Entry Box"""
        self.enText = Entry(self, width=6)
        self.enText.grid(row=1, column=1, padx=5, pady=5)
 
        """Button for Running EXAM"""
        self.btnDisplay = Button(self, text="EXAM",font=( "Impat", "8", "bold"), command=self.exam)
        self.btnDisplay.grid(row=2, column=1, padx=1, pady=1)
 
        """Button for Running POUT"""
        self.btnDisplay = Button(self, text="POUT",font=( "Impat", "8", "bold"), command=self.pout)
        self.btnDisplay.grid(row=3, column=1, padx=1, pady=1)
 
        """Button for Exiting the Program"""
        self.btnDisplay = Button(self, text="EXIT",font=( "Impat", "12", "bold"), command=self.exit)
        self.btnDisplay.grid(row=6, column=1, padx=20, pady=20)
 
    def exam(self):
        psspy.report_output(4,"",[0,0])
        psspy.bsys(1,0,[0.0,0.0],0,[],1,[int(self.enText.get())],0,[],0,[])
        psspy.exam(1,0)
 
 
    def pout(self):
        psspy.bsys(1,0,[0.0,0.0],0,[],1,[int(self.enText.get())],0,[],0,[])
        psspy.pout(1,0)
 
    def exit(self):
        global done # This global done i am not sure why it is here i copied some code i found online and this is what it had so i used it. if someone could clarify this it would be much appreciated
        done = 1 # same thing with this 
        self.destroy()
        self.quit()
 
 
 
if __name__ == "__main__":
    guiFrame = GUIFramework()
    guiFrame.mainloop()

[ilikepython]

Disregard the previous post. i got the program to do what i wanted to do. now i am almost done with my project. the last and final problem i am having is that the gui wont close when i click on the quit button. I am sure there is a simple and quick fix to this but being a newbie i dont know what it is. when i click on quit the gui just freezes on the screen. here is the code

from Tkinter import *
import tkMessageBox
 
class GUIFramework(Frame):
 
 
    def __init__(self,master=None):
 
        """Initialise the base class"""
        Frame.__init__(self,master)
 
        """Set the Window Title"""
        self.master.title("EXAM & POUT")
        self.master.geometry('200x300')
        """Display the main window"""
        self.grid(padx=10,pady=10)
        self.lbText = Label(self, text="Enter Bus Number:")
        self.lbText.grid(row=0, column=1,padx=5,pady=5)
 
        """Entry Box"""
        self.enText = Entry(self, width=6)
        self.enText.grid(row=1, column=1, padx=5, pady=5)
 
        """Button for Running EXAM"""
        self.btnDisplay = Button(self, text="EXAM",font=( "Impat", "8", "bold"), command=self.exam)
        self.btnDisplay.grid(row=2, column=1, padx=1, pady=1)
 
        """Button for Running POUT"""
        self.btnDisplay = Button(self, text="POUT",font=( "Impat", "8", "bold"), command=self.pout)
        self.btnDisplay.grid(row=3, column=1, padx=1, pady=1)
 
        """Button for Exiting the Program"""
        self.btnDisplay = Button(self, text="EXIT",font=( "Impat", "12", "bold"), command=self.exit)
        self.btnDisplay.grid(row=6, column=1, padx=20, pady=20)
 
    def exam(self):
        psspy.report_output(4,"",[0,0])
        psspy.bsys(1,0,[0.0,0.0],0,[],1,[int(self.enText.get())],0,[],0,[])
        psspy.exam(1,0)
 
 
    def pout(self):
        psspy.bsys(1,0,[0.0,0.0],0,[],1,[int(self.enText.get())],0,[],0,[])
        psspy.pout(1,0)
 
    def exit(self):
        global done # This global done i am not sure why it is here i copied some code i found online and this is what it had so i used it. if someone could clarify this it would be much appreciated
        done = 1 # same thing with this 
        self.destroy()
        self.quit()
 
 
 
if __name__ == "__main__":
    guiFrame = GUIFramework()
    guiFrame.mainloop()

Try just calling the self.quit() or maybe try self.master.quit(). I don't know about the global done part. Probably the writer of the program set this varaible to 1 when it exited but I don't think you need that.

[fahadqureshi]

I have tried self.quit() and self.master.quit() and it just freezes on the screen. What's odd is that it closes when i click on the x in the windows menu bar. Oh well, thanks for all the help i have decided to just not inculde the quit button and just tell the users to use the x to close it.
Thanks again.