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[PR #1207] Enable resizing the panes with the keyboard. #24532

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opened 2026-01-31 09:03:51 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:03:51 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/1207

State: closed
Merged: Yes

Summary of the Pull Request

Adds the ability to resize panes with the keyboard.

PR Checklist

Detailed Description of the Pull Request / Additional comments

This is accomplished by making the Column/RowDefinitions for a Pane use GridLengthHelper::FromPixels to set their size. We store a pair of floats that represents the relative amount that each pane takes out of the parent pane. When the window is resized, we use that percentage to figure out the new size of each child in pixels, and manually size each column.

Then, when the user presses the keybindings for resizePane{Left/Right/Up/Down}, we'll adjust those percentages, and resize the rows/cols as appropriate.

Currently, each pane adjusts the width/height by 5% of the total size at a time. I am not in love with this, but it works for now. I think when we get support for keybindings with arbitrary arg blobs, then we could do either a percent movement, or a number of characters at a time. The number of characters one would be trickier, because we'd have to get the focused control, and get the number of pixels per character, as adjacent panes might not have the same font sizes.

Validation Steps Performed

Opened a bunch of panes and tried moving them with the keybindings

**Original Pull Request:** https://github.com/microsoft/terminal/pull/1207 **State:** closed **Merged:** Yes --- <!-- Enter a brief description/summary of your PR here. What does it fix/what does it change/how was it tested (even manually, if necessary)? --> ## Summary of the Pull Request Adds the ability to resize panes with the keyboard. <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [x] Closes #991 * [x] I work here * [ ] Tests added/passed - this box makes me cry * [x] I actually kinda just went for this one. <!-- Provide a more detailed description of the PR, other things fixed or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments This is accomplished by making the Column/RowDefinitions for a Pane use `GridLengthHelper::FromPixels` to set their size. We store a pair of floats that represents the relative amount that each pane takes out of the parent pane. When the window is resized, we use that percentage to figure out the new size of each child in pixels, and manually size each column. Then, when the user presses the keybindings for resizePane{Left/Right/Up/Down}, we'll adjust those percentages, and resize the rows/cols as appropriate. Currently, each pane adjusts the width/height by 5% of the total size at a time. I am not in love with this, but it works for now. I think when we get support for keybindings with arbitrary arg blobs, then we could do either a percent movement, or a number of characters at a time. The number of characters one would be trickier, because we'd have to get the focused control, and get the number of pixels per character, as adjacent panes might not have the same font sizes. <!-- Describe how you validated the behavior. Add automated tests wherever possible, but list manual validation steps taken as well --> ## Validation Steps Performed Opened a bunch of panes and tried moving them with the keybindings
claunia added the pull-request label 2026-01-31 09:03:51 +00:00
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Reference: starred/terminal#24532
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