Mailman 3 August 2008 - Tkinter-discuss

Possibly n00bish question about ImageTk
by Barnesdesdes Feb. 10, 2009

Feb. 10, 2009

I've been trying to make a program which will import a png file and display it inside a frame. It actually works when I just run the code, but if I try to abstract the exact same code into a function, it fails. In the code below, if I just run it, it works. However, if I comment out the lines between "root=Tkinter.Tk()" and "moo(root)" and comment in "moo(root)", it no longer works. Instead of displaying the image, it just displays a gray frame of the correct size. Does anyone have any insights about what I'm doing wrong? import Image, ImageTk, Tkinter def moo(master): img = Image.open('plotfig.png') f = Tkinter.Frame(master, width=800, height=600) pi = ImageTk.PhotoImage(img) t = Tkinter.Label(f, image=pi) f.pack() t.place(x=0, y=0, width=800, height=600) t.pack() root = Tkinter.Tk() img = Image.open('plotfig.png') f = Tkinter.Frame(root, width=800, height=600) pi = ImageTk.PhotoImage(img) t = Tkinter.Label(f, image=pi) f.pack() t.place(x=0, y=0, width=800, height=600) t.pack() #moo(root) root.mainloop() Thanks very much. Alan -- View this message in context: http://www.nabble.com/Possibly-n00bish-question-about-ImageTk-tf3990201.htm… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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Unicode on Mac (yet again)
by Fred Mailhot Oct. 9, 2008

Oct. 9, 2008

Greetings, I've followed some of the discussion on the list concerning the problem of getting some Unicode characters to display properly. As suggested in a few messages, I've recompiled my python to link to Tcl/Tk8.5. I know this has succeeded, as running Tkinter._test() pops up a dialog confirming that I'm using 8.5. Unfortunately, there still seem to be problems displaying Unicode characters properly. The following snippet demonstrates (disclaimer: I'm not a Tkinter guru by any means)... import Tkinter root = Tkinter.Tk() w1 = Tkinter.Button(root, text=u"\u026E", font=("Lucida Grande",24)) w2 = Tkinter.Label(root, text=u"\u026E", font=("Lucida Grande",24)) w1.pack() w2.pack The Button displays the correct character (a digraph from the International Phonetic Alphabet), whereas the Label displays what looks like a Chinese kanji character...the same problem as in 8.4. Is there something I'm doing wrong? For the record, I'm running OSX 10.4.11 on a PPC Mac. Thanks for any advice or pointers, Fred.

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Tkinter, toplevel and images
by ptg＠clix.pt Sept. 3, 2008

Sept. 3, 2008

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Kinetic Scrolling and Keyboard Shortcuts in Menus
by Johnston Jiaa Aug. 31, 2008

Aug. 31, 2008

I'm having trouble trying to make a kinetic scrolling canvas. The code looks something like this... def scroll(acceleration, speed): while speed >= 0: canvas.xview_scroll(-speed, "units") speed -= acceleration This doesn't update the drawing of the canvas in real-time (as in, every time xview_scroll is called)... it only updates the drawing after the while loop has already run, so you don't get to see it scroll, which is stupid. How can I get this to work properly? Also, I have set keyboard shortcuts for some functions in my program. The functions these shortcuts call are also linked to menu items in the menu bar. How can I get the menu labels to reflect the keyboard shortcuts for each relative command? I know I can set the shortcut as a string in the label manually, but it will be stupid, not flush with the right edge of the menu, like in other programs. Thanks for helping my program not be stupid

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Tkinter and TableList - Configure the Temporary Embedded Widgets
by Lee Walczak Aug. 20, 2008

Aug. 20, 2008

I actually post a topic relating to my problem on this mailing list a couple of days ago but I thought it could be useful to place an example of my problem here aswell. This a small piece of testcode that creates a TableList. When the cell is selected, a ComboBox Widget is used temporarily during the editing phase. It is during this ( EditStartCmd call) that I wish to configure the "values" of the Widget. My question is, ""How do I do this ?"" The code below returns the error when the cell is selected. : Traceback (most recent call last): File "D:\Python25\lib\lib-tk\Tkinter.py", line 1403, in __call__ return self.func(*args) File "D:\PythonWS\TEW Test.py", line 34, in EditStartCmd TEW.configure(values=("This","Is","A","Test")) # Here I "try" to configure the Temporary Widget AttributeError: '_tkinter.Tcl_Obj' object has no attribute 'configure' I has also provided a normal bwidget combox box ( which I use for the Temporary Embedded Widget). It shows the normal method of configuring the "values" is working, just the method I assume for embedded ones it not. Anyone who has experience in Tkinter & Tablelist would really help me here. It could be something really silly that I do not appreciate and any clues would really help! ---------------------------------- import Tkinter import bwidget import tktablelist root = Tkinter.Tk() TestFr = Tkinter.Frame(root) TestBox = bwidget.ComboBox(root) TestBox.configure( values = ("1","two","4rer")) class TableBuilder: def __init__(self, Frame, Titles): self.Table=tktablelist.TableList(Frame, editstartcommand=self.EditStartCmd, selecttype="cell", stretch = "all", width=20, ) root.tk.call('tablelist::addBWidgetComboBox') self.Table.pack() self.BuildTable(Titles) def BuildTable(self,Titles): I = 0 for Title in Titles: self.Table.insertcolumns("end", 0, Title) self.Table.columnconfigure("end",editable='yes', editwindow="ComboBox") I +=1 for row in range(10): self.Table.insert("end","") self.Table.rowconfigure("end", text=(row,row+1,row*row)) def EditStartCmd(self, table, row, col, text): TEW = self.Table.editwinpath() # Here I return the Temporary Widget pathname TEW.configure(values=("This","Is","A","Test")) # Configure the Temp Widget - This is wrong! what is right? Test = TableBuilder(TestFr,['A','B','C']) TestBox = bwidget.ComboBox(root) TestBox.configure( text=" This Works!", values = ("1","two","4rer")) TestFr.pack() TestBox.pack() Tkinter.mainloop()

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Scrollbar maybe not setting right on a text widget
by Alexnb Aug. 19, 2008

Aug. 19, 2008

The reason I say "maybe" is because I am not sure if that is what is happening. What happens is that the textbox will fill up (with info the program puts in, not the user) and the text widget will be at the top, like you will be looking at the begining of the textbox, but the scrollbar starts at the bottom of the track. It thinks it is at the bottom, but if you press the down arrow, it resets and figures it out. I am wondering if I forgot code or put it out of order? Oh, and I am using a mac with leopard. Here is code: self.scrollbar = Scrollbar(self.textFrameBuffer) self.scrollbar.pack(side=RIGHT, fill=Y) self.text = Text(self.textFrameBuffer, yscrollcommand=self.scrollbar.set) self.text.pack(side=LEFT, fill=BOTH, expand=YES) self.scrollbar.config(command=self.text.yview) --------The Text is filled in after this point. However, I have done the exact same setup with a listbox, and it works just as it should----------- -- View this message in context: http://www.nabble.com/Scrollbar-maybe-not-setting-right-on-a-text-widget-tp… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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getting width of a Frame
by Alexnb Aug. 19, 2008

Aug. 19, 2008

I have two listBoxes in one Frame. I want to make them the same size. I want to make them half of the width of the Frame they are in. I just can't figure out how to get the width of a Frame, just a window. Help? -- View this message in context: http://www.nabble.com/getting-width-of-a-Frame-tp19043845p19043845.html Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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Problems with a scrollbar on a listbox
by Alexnb Aug. 19, 2008

Aug. 19, 2008

So I have a listBox and a scrollbar, both in the same frame. I have them set up just as I do my text widgets, and they work just as they should. Here is how I have it: self.urlscrollbar = Scrollbar(self.insidebuffer1) self.urlscrollbar.pack(side=RIGHT, fill=Y) self.diclistBox = Listbox(self.insidebuffer1, selectmode=MULTIPLE, yscrollcommand=self.urlscrollbar.set) self.diclistBox.pack(side=TOP, anchor=N, fill=BOTH) I am on a mac if it matters. But what happens is they show up, and when the list in the listbox is big enough, the bar turns blue like it is able to scroll; but it doesn't function. Any ideas? Did I leave something out? -- View this message in context: http://www.nabble.com/Problems-with-a-scrollbar-on-a-listbox-tp19044535p190… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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configuring temporary entry widget of TableList Cell using Python
by Lee Walczak Aug. 18, 2008

Aug. 18, 2008

Hi, I recently posted this to comp.lang.python & tcl, but have not had much luck with responses on how to do this. Really hoping you guys can help with me with this. No doubt the answer is right under my nose! Let me know if it is useful for me to provide a direct example of what I am trying to achieve. I really look forward to receiving correspondence on this! Best Regards, Lee Hi, I am using Tkinter & the Kevin Walzer's TableList Wrapper for python implemented GUI: http://tkinter.unpythonic.net/wiki/TableListWrapper The TableList has been extremely useful in allowing me to create my GUI for my engineering requirements, but I have hit a brick wall and need some assistance. "I am unable to configure the Temporary Embedded ComboBox List when the specific TableList cell is selected for editing" I have a registered the Bwidget Combobox widget so I can use this as an alternative temporary Entry Widget ( depending on the specific cell usage) thanks to some assistance from Kevin Walzer ( Many thanks ). I configure the particular cell's edit window (-editwindow ) for ComboBox which is working successfully. The problem I have is I wish to change the "-values" of the Temporary Combobox Widget i.e. a List that I can specify. When my "-editstartcommand" call is called I firstly request the pathname of the Temporary Embedded Widget using, TEW = editwinpath() I am then assuming (although I must be wrong!) that I can then do: TEW.configure( values=("my","list","of","Strings")) However, this leads to the exception error -> TEW does not contain such an attribute "configure". My reference for this procedure is (http://objectmix.com/tcl/377931- communicating-tablelist-embedded-widgets.html but also available from tcl.tk tablelist coding examples) : proc editStartCmd {tbl row col text} { set w [$tbl editwinpath] switch [$tbl columncget $col -name] { currency { # # Populate the ComboBox and make it non-editable # $w configure -values {Dollar Euro Yen ...} -editable no } . . . } return $text } It is this procedure I am trying to replicate in Python. Is it possible to guide help tell me the right approach here. Of course I can submit my code to help ( if this is useful ) but the problem I think clear to see from these summary details. Please take it easy on me, I am a HW engineer by trade and am slowly (but surely) gaining more knowledge & experience in the world of Python (and of course Tkinter)! B.Regards, Lee Walczak

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putting a series of hyperlinks in a text widget
by Alexnb Aug. 17, 2008

Aug. 17, 2008

I am having trouble figuring out the best way to do this and would love some help. What I need to do is to create clickable links in a text widget, but there will be at max 40. They will all be different. I am wondering what is the best way to create a clickable unique url in a text widget. I know that you can bind tags, but the problem with that is since each url is unique that would mean 40 tags to get what I want... at least, as far as I know, there might be a way to do it that I just don't know. Sorry if I am being vague, I just don't know what else to say. If you need any extra info just reply I would be happy to provide. -- View this message in context: http://www.nabble.com/putting-a-series-of-hyperlinks-in-a-text-widget-tp189… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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