Mailman 3 December 2012 - Tkinter-discuss

Control position of Tkinter common dialogs?
by python＠bdurham.com Dec. 9, 2016

Dec. 9, 2016

Python 2.7 under Windows: How can we control the position of Tkinter's common dialogs? Here's what we've discovered: * Certain common dialogs always open up relative to their parent window * Certain common dialogs always open up centered on the user's desktop * All common dialogs appear to ignore the optional parent= parameter Questions: * How can we force a dialog to open up relative to its parent window? * How can we force a dialog to open up centered on the user's desktop? Background: import tkColorChooser as colorchooser import tkFileDialog as filedialog import tkMessageBox as messagebox # always open up relative to parent windows fileOpen = filedialog.askopenfilename() fileOpens = filedialog.askopenfilenames() fileSaveAs = filedialog.asksaveasfilename() color = colorchooser.askcolor() # always open up centered on desktop folderOpen = filedialog.askdirectory() messagebox.askquestion() Malcolm

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Tkinter 8.5 reference updated
by John W. Shipman Dec. 11, 2012

Dec. 11, 2012

We are pleased to announce the completion of the rewrite of our Tkinter quick reference guide for version 8.5: http://www.nmt.edu/tcc/help/pubs/tkinter Improvements include: - Coverage of the ttk themed widgets. - A new section on setting up validation within Entry widgets. We welcome any and all comments and suggestions. Send them to: tcc-doc(a)nmt.edu Best regards, John Shipman (john(a)nmt.edu), Applications Specialist New Mexico Tech Computer Center, Speare 146, Socorro, NM 87801 (575) 835-5735, http://www.nmt.edu/~john ``Let's go outside and commiserate with nature.'' --Dave Farber

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Still don't understand ttk styling
by John W. Shipman Dec. 7, 2012

Dec. 7, 2012

I've read and reread everything I can find about ttk, both in the Tcl docs and the Python 2.7 library docs, and I still have no idea how styling really works. Just to focus the discussion, here's a very simple task: change the font that appears on the tabs in the ttk.Notebook widget. The only way I found to do this is to change the root style's default like this: s = ttk.Style() s.configure('.', font=('Helvetica', 16, 'bold')) Is this the only way I can style the tab font? If not, can someone please explain how you figure out where Notebook gets its font, and how to change it? I've used all the methods of ttk.Style that one uses to explore the structure of a theme: .theme_names(), .element_names(), .element_options(), .lookup(), .configure(), and .layout(). All this tells me is that a Notebook has only one element, named Notebook.client. I understand that any option not configured in Notebook.client falls back to the "client" theme element. However, both those elements have only two attributes, 'background' and 'borderdwidth'. Nothing about a font attribute. Most grateful for any help that you might provide, I remain, John Shipman (john(a)nmt.edu), Applications Specialist New Mexico Tech Computer Center, Speare 146, Socorro, NM 87801 (575) 835-5735, http://www.nmt.edu/~john ``Let's go outside and commiserate with nature.'' --Dave Farber P.S. I'm well along on the ttk rewrite of our locally written Tkinter manual. The rest of what's left looks pretty straightforward, but I won't be happy with this version unless it can help people answer simple questions like the one posed here. The draft is here if you don't mind big chunks still missing: http://www.nmt.edu/tcc/help/pubs/tkinter85 Once it's done I'll move this version to the URL that is referenced several places around the web, which currently holds the 8.4, non-ttk version: http://www.nmt.edu/tcc/help/pubs/tkinter85

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