Tkinter table with scrollbars (Python)

2017-05-06T19:06:05-07:00

Python recipe 580793 by Miguel Martínez López (scrollbars, table, tkinter). Revision 13.

I created here a tkinter table with scrollbar support. I use one of my other recipes for the mousewheel support and scrolling:

https://code.activestate.com/recipes/580640-scrolling-frame-with-mouse-wheel-support

Frame with border color for Tkinter (Python)

2017-04-17T11:25:02-07:00

Python recipe 580735 by Miguel Martínez López (border, color, frame, tkinter).

This trick show how to add a border color to frame. These are the important configurations:

 highlightbackground="your border color here"
 highlightcolor="your border color here"
 highlightthickness="the border width"
 bd= 0

Tkinter table (Python)

2017-05-02T21:19:51-07:00

Python recipe 580786 by Miguel Martínez López (table, tkinter). Revision 24.

Table of data for tkinter.

Here there is an improved vesion with vertical scrollbar support:

https://code.activestate.com/recipes/580793-tkinter-table-with-scrollbars

Simple audio with ctypes and SDL also for Tkinter (Python)

2015-08-17T18:54:17-07:00

Python recipe 579070 by Jiri Justra (audio, sdl, sdl_mixer, tkinter). Revision 3.

I've needed just to play audio in my Tkinter application, but it seems there is no easy way to do this, so I have made this simple code. It is small ctypes wrapper around SDL_mixer.

It should work for Win and *nix also .. I've tested it on ubuntu-14.04.3-desktop-i386

Simple multicolumn listbox for tkinter (Python)

2017-05-02T22:27:15-07:00

Python recipe 580794 by Miguel Martínez López (listbox, multicolumn, table, tkinter).

This recipe makes easy to work a treeview widget like a table.

It has several options for styling:

heading_anchor
heading_font
heading_background
heading_foreground
cell_anchor
cell_background
cell_foreground
cell_font
cell_pady
height
padding
adjust_heading_to_content
stripped_rows
headers
selection_background
selection_foreground
field_background

The "command" parameter is a callback and its called each time a row is selected.

Tkinter frame with different border sizes (Python)

2017-05-06T18:45:00-07:00

Python recipe 580798 by Miguel Martínez López (border, size, tkinter).

This trick shows how to create a bordered frame with different border size in each side.

Text widget width and height in pixels (Tkinter) (Python)

2016-12-11T13:39:08-08:00

Python recipe 578887 by Miguel Martínez López (text, tkinter). Revision 8.

The solution consists in putting the Text widget inside a frame, forcing the frame to a fixed size by deactivating size propagation and configuring the Text widget to expand and fill both directions (to stick to the frame borders).

https://stackoverflow.com/questions/14887610/how-to-specify-the-dimensions-of-a-tkinter-text-box-in-pixels

Scrolled Frame V2 (Python)

2017-05-06T18:54:47-07:00

Python recipe 580797 by Miguel Martínez López (frame, scrolling, tkinter). Revision 4.

This is another version of scrolled frame. It doesn't use Canvas. Instead it does the trick using place geometry manager.

Based on these codes:

https://github.com/alejandroautalan/pygubu/blob/master/pygubu/widgets/tkscrolledframe.py
http://wiki.tcl.tk/9223

This is my other version of scrolled frame:

https://code.activestate.com/recipes/580640-scrolling-frame-with-mouse-wheel-support/

bind all tkinter "bug" (Python)

2017-05-05T20:33:31-07:00

Python recipe 580795 by Miguel Martínez López (all, bind, binding, tkinter). Revision 3.

This recipes tries to solve the problem of bind_all and unbind_all for tkinter.

When a callback is registered using bind_all method and later it's unregistered using unbind_all, all the callbacks are deleted for the "all" tag event. This makes difficult to register and unregister only one callback at a time. This recipes tries to solve this problem.

Observe the difference between the code below and the recipe. With the code below, when the user clicks nothing happens. But with my recipe it's possible to bind and unbind specific callbacks.

try:
    from Tkinter import Tk, Frame
except ImportError:
    from tkinter import Tk, Frame

root = Tk()
f = Frame(root, width= 300, height=300)
f.pack()

def callback1(event):
    print("callback1")

def callback2(event):
    print("callback2")

def callback3(event):
    print("callback3")

root.bind_all("<1>", callback1, add="+")
f.bind_all("<1>", callback2, add="+")
f.bind_all("<1>", callback3, add="+")

f.unbind_all("<1>")

root.mainloop()

Python Tkinter Tabs (Python)

2010-06-15T01:50:58-07:00

Python recipe 577261 by Sunjay Varma (python, sunjay, tabs, tkinter, varma). Revision 4.

This tabbed interface is very useful for Tkinter users. I am sure there is a better way to do it, but I did the best I could.

Please enjoy this tabbed interface by SunjayVarma - www.sunjay-varma.com

UPDATES: Fixed the index issues. Made it easier to use.

Game of Life - Python 3.4 & tkinter (Python)

2014-09-05T15:02:11-07:00

Python recipe 578928 by Peter M (python3, tkinter).

I took this well-know game to design my own solution, and make a GUI for it.

To run the program, you will need to create a txt file with rows of dots, so like this:

...... ...... ...... ......

and name it empty_board.gol (I have tested this program withwith 55x55)

It is functional and not object oriented.

My game of life algorithm is probably not the best one around (suggestions welcome), but I think this program is a nice demo of with tkinter can do and how easy it is to program GUI's with tkinter.

It has been written and tested in python 3.4 but I guess any version 3 should work, and probably only minor changes are needed to make it work in 2.6 or 2.7 (e.g. change tkinter to Tkinter).

Tkinter treeview like a table or multicolumn listbox (Python)

2017-05-02T22:27:48-07:00

Python recipe 580746 by Miguel Martínez López (editable, listbox, megawidget, multicolumn, table, tkinter, treeview). Revision 33.

This trick provides use my other recipe:

https://code.activestate.com/recipes/580794-simple-multicolumn-listbox-for-tkinter/

This recipes defines a Tk_Table: A table that extends the multicolumn listbox adding row numbers, making the cells editable and adding autoscrollbars.

Tk_Table

It has the same options than Multicolumn_Listbox, and some extra parameters to configure the new functionality.

Setting the editable keyword to True, makes the widget editable.

If you want stripped rows, pass the stripped_rows with a tuple (or list) of two colors.

If you want row numbers, then pass to row_numbers parameter a True value.

These are the extra options for this class:

entry_background
entry_foreground
entry_validatecommand
entry_selectbackground
entry_selectborderwidth
entry_selectforeground
scrollbar_background
scrollbar_troughcolor
rowlabel_anchor
rowlabel_minwidth
rowlabel_hoverbackground
frame_relief
frame_borderwidth
frame_background
row_numbers

Automatic resized Text widget (Tkinter) (Python)

2016-12-10T15:40:25-08:00

Python recipe 578886 by Miguel Martínez López (autoresize, text, tkinter). Revision 14.

The Text widget resize to its contents. Based on this: https://stackoverflow.com/questions/11544187/tkinter-resize-text-to-contents

But here there is one important improvement: The widget resize first, before a character inclusion.

For this trick I have had to use tag bindings.

Here there is a practical application of this widget:

https://code.activestate.com/recipes/578885-draggable-desktop-note-or-sticky-notes-in-tkinter/

An Entry with autocompletion for the Tkinter GUI (Python)

2012-09-06T19:16:09-07:00

Python recipe 578253 by Miguel Ángel Alarcos Torrecillas (autocomplete, entry, tkinter). Revision 2.

An example of how to make an entry widget with autocompletion for the Tkinter GUI. It uses regular expression but you can subclass AutocompleteEntry and override the comparison method.

You can use the arrow keys 'up' and 'down' to select an item at the listbox, and the 'right' key to take it to the entry widget.

Tkinter Splash Screen (Python)

2010-06-21T18:09:06-07:00

Python recipe 577271 by Sunjay Varma (python, screen, splash, tkinter).

I wanted to mess around with the overrideredirect function of the window manager, and ended up making a pretty good Python Tkinter splash screen. :)

Just run it for a demo.

There are instructions and more info in the script

Tkinter Datepicker (like the jQuery UI datepicker) (Python)

2017-06-19T18:22:01-07:00

Python recipe 580725 by Miguel Martínez López (calendar, datepicker, megawidget, tkinter). Revision 18.

It's based on ttkcalendar.py. But the internals are totally changed.I don't use for example the Treeview widget. I added more features also:

On mouse over, the day label changes the background
The selected day has an outstanding style
Added support for many hotkeys

These are the default bindings:

Click button 1 on entry: Show calendar
Click button 1 outside entry and calendar: Hide calendar
Escape: Hide calendar
CTRL + PAGE UP: Move to the previous month.
CTRL + PAGE DOWN: Move to the next month.
CTRL + SHIFT + PAGE UP: Move to the previous year.
CTRL + SHIFT + PAGE DOWN: Move to the next year.
CTRL + LEFT: Move to the previous day.
CTRL + RIGHT: Move to the next day.
CTRL + UP: Move to the previous week.
CTRL + DOWN: Move to the next week.
CTRL + END: Close the datepicker and erase the date.
CTRL + HOME: Move to the current month.
CTRL + SPACE: Show date on calendar
CTRL + Return: Set current selection to entry

Simple drawing tool with Python turtle graphics (Python)

2016-01-27T22:22:01-08:00

Python recipe 580544 by Vasudev Ram (drawing, graphics, python, python2, tkinter, turtle).

A simple drawing program that lets you use your keyboard to draw figures on screen, using the turtle graphics module built into Python.

Image background for tkinter (Python)

2017-04-12T19:37:06-07:00

Python recipe 580782 by Miguel Martínez López (background, tkinter). Revision 3.

This is only a proof of concept.

In my first example, PIL is required. I use PIL also to draw the text over the background. I use the place geometry manager to position the entry.

In my second example, I use a canvas widget to draw text over image. I also use the canvas to create other widgets over the background.

Tkinter search box (Python)

2017-04-08T12:27:36-07:00

Python recipe 580773 by Miguel Martínez López (entry, search, searchbox, tkinter). Revision 9.

Instead of using two colors for active background and normal background, I use only one color and opacity parameter.

I trigger the feeling of a button using different colors when the mouse is and isn't over. Many modern HTML search boxes uses the same approach.

Command function receives text of entry box when button is pressed.

Tkinter Animated GIF (Python)

2017-04-10T11:27:05-07:00

Python recipe 580708 by Miguel Martínez López (gif, tkinter). Revision 10.

Tkinter GIF in motion. It uses the "after" command of Tcl and PIL.

Add path to GIF to make the example working.

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