Comments (7)
If by labels you mean LabelText() its a widget that follows the current value of ItemWidth to match the width of a Slider or any other framed widget. You can control that width with PushItemWidth() or SetNextItemWidth() and thereās a section in Demo>Layout detailing it. It defaults to something like 2/3 of the window and its a bit awkward because it doesnāt lend itself to manual resizing (i have some ideas in mind to improve it). Thereās not calculation of either side contents in that situation.
However, it seems like you should be using a table and set column policy to fit/stretch or make the table resizable.
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To clarify if you were submitting eg Drags or Sliders or Inputs you would see the frame on the left and this frameās width is derived from ItemWidth, and it would make a little bit more sense as to why the left side is not best-fit.
(Itās a recurrent question/wonder in the sense that both the order and lack of manual resizing is not ideal. What people do nowadays if they want the best-fit is to use a two columns table, add label in one column and widgets without label filling the other column (using -FLT_MIN you right align frames to available bounds).
itās probably good to browse the Examples in Demo for some references.
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my GUI is constructed dynamically, so it's awkward to know if you're in a run of labels that could share a table or not.
I could do Text--SameLine--Text but what would really make it sing is some way of tabstopping. If the first Text was < some width, then pass an offset to SameLine. CalcItemWidth isn't what I need according to the docs. I've been digging in the excellent manual demo https://pthom.github.io/imgui_manual_online/manual/imgui_manual.html but not found anything yet.
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my GUI is constructed dynamically, so it's awkward to know if you're in a run of labels that could share a table or not.
I believe every fields should share the same table, why wouldnāt they?
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I've got collapsing headers and tree nodes all mixed up in there, it's callbacks all over the place. I think I figured out a way to table runs of labels tho, will give that a go.
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š¤
using a cached CalcTextSize for the label key to pass a minimum offset to SameLine()
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You can call EndTable() when using a collapsing header and reopen it immediately, thatās also a solution.
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