Tk has, for most of its lifetime, gotten a bad rap, to put it mildly. (and backward compatible) may be challenging. You can see where keeping something as large and complex as a GUI library up to date Couple that with how much graphical user interface platforms and standards Tk has hadĪ very long evolution (see Tk Backgrounder), and any evolution The best practices you need to know to do this.įor most tools, you wouldn't think you'd have to say something like that. This tutorial is all about building modern user interfaces using the current tools Tk has to offer. While you don't have to be a user interface designer, some appreciation of GUI design is always helpful. Similarly, you should have a basic familiarity with desktop applications in This tutorial also doesn't teach you the underlying programming language (Tcl, Ruby, Perl, Python, etc.), so you should This is probably not the material for you.
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So if you're either looking to hack on Tk's internal C code or build the next great 3D immersive game interface, Mainstream graphical user interfaces, with buttons, lists, checkboxes, rich text editing, 2D graphics, etc. This tutorial is designed for developers building tools and applications in Tk. The rest you can find in reference documentation. It's not going to cover everything, just the essentials you need in 95% Even if your own language isn't included, the chances are you'll stillīenefit since all the languages use the same underlying Tk library, there's obviously a lot of overlap. Over time, additional languages may be added. Initially, the tutorial will cover Tcl, Ruby, Perl and Python. So this tutorial will, as much as possible, target developers on the three main platforms (Windows, macOS, Linux), and alsoīe language-neutral. This is particularly true for developers using Tk from languages other than Tcl,Īnd developers working on multiple platforms. Unfortunately not at a high point these days. The general state of Tk documentation (outside the Tcl-oriented reference documentation, which is excellent) is Writing this tutorial, and I've been using Tk for over twenty-five years.
It's a cliche, but I can't believe how much I've learned in
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And if you're updating code that may have been written years ago, you'll see step-by-step how to bring it into the modern age. If you've used Tk before, it will help you bring your knowledge right up to date. If you're new to Tk or creating a new program, this tutorial will ensure you get started the right way. They've hidden the light switches and power outlets, wouldn't you?) (Imagine if you just moved into a rustic and quirky historical home. In fact, it will seem like nothing changed at all.ĭue to backward compatibility, unless existing programs make a few simple changes, they won't look anyĭifferent. The downside is that unless you know one or two crucial things, it's actually not that significant a release. It marked a significantĭeparture from older versions of Tk that most people know and love recognize.
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California officials also recommend that people continue to wear a mask around others for 10 full days after their symptoms began or they got a positive test result.This tutorial will help you quickly get up to speed and build mainstream desktop graphical user If someone still has a fever, even after 10 days, they are supposed to keep isolating until it is gone at least 24 hours, under the state recommendations. Under the guidelines, they should continue to isolate another five days if they test positive or still have symptoms. The California Department of Public Health generally recommends that someone who tests positive or has COVID symptoms isolate themselves from others for at least five days, then take an antigen test. Only 6% of workers from households with higher incomes said the same, the surveys showed. Working through COVID symptoms or exposure was much more common - 29% said they had done so - among workers with household incomes under $40,000. As of February, roughly a tenth of workers surveyed said they had gone to work with COVID-19 symptoms or after being exposed to the virus because they couldn’t afford to take time off, Kaiser Family Foundation surveys found.
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