Brodie Rao wrote:
> On Sun, Feb 24, 2013 at 12:40 PM, Bram Moolenaar <[email protected]> wrote:
> >
> > Brodie Rao wrote:
> >
> >> Support mouse wheel scrolling of inactive windows in the terminal
> >
> > Does this actually work for every type of terminal that supports the
> > mouse wheel? Or only for some of them?
>
> Reading check_termcode() in src/term.c, I find the following:
>
> - For FEAT_MOUSE_GPM, FEAT_SYSMOUSE, FEAT_MOUSE_XTERM, FEAT_MOUSE_SGR
> and FEAT_MOUSE_URXVT, all mouse events come with the mouse's position.
>
> - For FEAT_MOUSE_DEC, FEAT_MOUSE_JSB, FEAT_MOUSE_NET, and
> FEAT_MOUSE_PTERM, the mouse wheel is not supported, so mouse wheel
> events will never be sent.
>
> - According to src/os_msdos.c, DOS_MOUSE also doesn't support the mouse wheel.
>
> I think that covers everything.
OK. I do think users will be surprised that the behavior changes.
But it becomes more consistent with the GUI.
> It's possible that there are some terminal emulators that don't set
> the mouse position properly for mouse wheel events, but considering
> all the protocols consider it a normal button press like any other
> button, that seems unlikely.
>
> I did notice one issue in my patch that I'm not sure about: Is the
> gui.in_use check necessary? If it's false, does Vim fall back to the
> terminal, and if so, will it handle mouse events? If that's the case,
> that check probably shouldn't be there.
The Unix version of Vim has one binary that can run both in a terminal
and as a GUI. You can switch from terminal to GUI with the ":gui"
command. Thus we need a runtime check if it matters whether the GUI is
running.
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