[3.13] gh-152502: Detect the curses mouse interface portably (GH-152705)#152735
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serhiy-storchaka merged 1 commit intoJul 1, 2026
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…ythonGH-152705) The mouse interface (getmouse(), the BUTTON* constants, ...) was gated on the ncurses-specific NCURSES_MOUSE_VERSION macro, so it was dropped on other curses implementations that provide it, such as NetBSD curses and PDCurses. Gate it instead on a configure capability probe or the PDCURSES macro. Probe for getmouse() with its X/Open getmouse(MEVENT *) signature, since PDCurses declares an incompatible getmouse(void) unless built for the ncurses mouse API, which PDC_NCMOUSE now always selects. The is_*() state-query methods named in the original change do not exist on 3.15, so only the mouse interface is backported. (cherry picked from commit 7bbea4f) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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The mouse interface (
getmouse(), theBUTTON*constants, ...) was gated on the ncurses-specificNCURSES_MOUSE_VERSIONmacro, so it was dropped on other curses implementations that provide it, such as NetBSD curses and PDCurses (the latter underpinswindows-curses).It is now gated on a configure capability probe or the
PDCURSESmacro.getmouse()is probed with its X/Opengetmouse(MEVENT *)signature specifically, because PDCurses declares an incompatiblegetmouse(void)unless built for the ncurses mouse API;PDC_NCMOUSEis now always defined so PDCurses selects that interface.The
is_*()state-query methods named in the original change (GH-152705) do not exist on 3.13, so only the mouse interface is backported.Verified by reconfiguring + rebuilding on 3.13 (the probe resolves
HAVE_CURSES_GETMOUSE=1) and runningtest_curses.(cherry picked from commit 7bbea4f)