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[6.42] [gui] [pad] fix text insert via tool button - #24059
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kEditor was exists before, but not supported in TROOT::SetEditorMode (cherry picked from commit 76798d5)
When TLatex tool button was clicked before, any following mouse click on the pad insert new TLatex object keeping previous one with empty text. As a result - after many clicks dozens of dummy TLatex object were remain in the pad (just try gPad->ls()) Plus static fgText pointer used in TCreatePrimitives can store invalid pointer and may lead to ROOT crash. Therefore rewrite TCreatePrimitives::Text() functionality using `TPad::Interactive()` features. Like with objects dragging add temporary `TTextEditInteractive` instance which holds pointer on TLatex. Any keyboard press will be handled only when interactive object exists. Also avoid create multiple `TLatex` by multiple mouse clicking on pad. If latex was created, then second click will just finish editing of this latex object. (cherry picked from commit b0827a0)
root-project-bot
requested review from
dpiparo,
linev,
pcanal and
silverweed
as code owners
November 9, 2026 06:18
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Backport of #24032, requested by @linev.