LabVIEW Public Beta Program in 2023

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New Feature: Quick Change Rectangular Selection

In LabVIEW 2023 Q3, after beginning to define a rectangular selection on the diagram (and before releasing the mouse to finish the selection), you can use the keyboard shortcut Ctrl-Space to display a palette of items (such as loops) that you can place in the position of the selection. You can also choose an item from the palette to create a subVI from the selection. 

QuickChangeSelectRect.gif

Known Issue(s):

  1. The palette doesn't show the names of the items. We intend to have the name appear in the palette in the released version of the feature.
  2. The Context Help doesn't show info for the palette (reported by user crossrulz). We're not planning to implement this functionality for the LabVIEW 2023 Q3 release because we expect the Quick Change Selection accelerator to be used primarily by people who are familiar with the palette items.

Christina Rogers
Principal Product Owner, LabVIEW R&D
Message 1 of 13
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You'd need two (free) hands for this.

 

I don't have a way around that, but I won't be able to use it much (cat arm).

 

Sticky keys allow me to press keys (and release them) and move my mouse (Windows keeps the keys pressed), but not the other way around.

 

Edit: still better off then not having this feature, so nice one!

Message 2 of 13
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Maybe a one-handed invocation could be right-clicking while making the rectangular selection.

Matt J | National Instruments | CLA
Message 3 of 13
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@Jacobson-ni wrote:

Maybe a one-handed invocation could be right-clicking while making the rectangular selection.


That could work from the tablet's pov.

 

As it is, LV dismisses the selection when right clicking during selection, but definitely worth examining, AFAIC.

 

Although left and right clicking simultaneously on a regular mouse is a bit awkward, this might be useful for mouse users too?

Message 4 of 13
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wiebe@CARYA wrote:

Although left and right clicking simultaneously on a regular mouse is a bit awkward, this might be useful for mouse users too?


Various CAD and 3D modeling software often have the combination of right and left click doing something like panning instead of rotating, so it isn't crazy to ask users if this is the way to go.  I'm still downloading it, but why is CTRL+Space on the left hand hard to do when you right hand is making a selection with the mouse?  In the past I did have a foot pedal installed, and I mapped it to CTRL just so I wouldn't have to press that common key.  But I found that getting used to this feature was hard when a decent amount of development would be done at a test system, where I wouldn't have it.

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@Hooovahh wrote:
 but why is CTRL+Space on the left hand hard to do when you right hand is making a selection with the mouse?  

Because my cat likes to claim my left arm (cat arm).

 

I know, not a big issue, but almost everything I can do without my left arm.

 

The only thing that doesn't work atm, is CTRL clicking a VI to open it's diagram, when the SubVI is in a running VI. For some reason, sticky keys doesn't work.

 

I'd assume being able to do this with one hand is a benefit for everyone, at least with sticky keys on. There might even be people with one arm...

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@Christina_R wrote:

Known Issue(s):

  1. The palette doesn't show the names of the items. We intend to have the name appear in the palette in the released version of the feature.

2. The palette also does not appear to work with Context Help.


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Message 7 of 13
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wiebe@CARYA wrote:

Because my cat likes to claim my left arm (cat arm).

 

I know, not a big issue, but almost everything I can do without my left arm.


Without your left hand how can you tab through the tools? Oh that's just me and a dozen other people around the world?  Okay nevermind.

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@Hooovahh wrote:


Without your left hand how can you tab through the tools? Oh that's just me and a dozen other people around the world?  Okay nevermind.


Hooovahh and NormK

 

arrested-development-david-cross.gif

Matt J | National Instruments | CLA
Message 9 of 13
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@Jacobson-ni wrote:

@Hooovahh wrote:


Without your left hand how can you tab through the tools? Oh that's just me and a dozen other people around the world?  Okay nevermind.


Hooovahh and NormK

 

arrested-development-david-cross.gif


Just for fun looking into a feature that I never knew existed (been there since LabVIEW 4 it turns out), I managed to dig up working copies of LabVIEW 3.1.1 and 4.0.1.  I have no clue how people managed to get anything done with those versions.  Even knowing of the tab feature, it was painful making even a simple VI.  Or maybe I've just been spoiled more than I thought since LabVIEW 8.6 (when QD officially came out).


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