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Commit0255602

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feat(tui): recognize sidescroll events
I can't find this documented anywhere, but both xterm and kitty send aCSI < 66 ; x ; y M sequence for scrolling to the left, and send aCSI < 67 ; x ; y M sequence for scrolling to the right.
1 parent92bc11a commit0255602

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2 files changed

+16
-2
lines changed

2 files changed

+16
-2
lines changed

‎src/nvim/tui/input.c‎

Lines changed: 13 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -398,6 +398,14 @@ static void forward_mouse_event(TermInput *input, TermKeyKey *key)
398398
button=last_pressed_button;
399399
}
400400

401+
if (ev==TERMKEY_MOUSE_UNKNOWN&& !(key->code.mouse[0]&0x20)) {
402+
intcode=key->code.mouse[0]& ~0x3c;
403+
if (code==66||code==67) {
404+
ev=TERMKEY_MOUSE_PRESS;
405+
button=code-60;
406+
}
407+
}
408+
401409
if (button==0|| (ev!=TERMKEY_MOUSE_PRESS&&ev!=TERMKEY_MOUSE_DRAG
402410
&&ev!=TERMKEY_MOUSE_RELEASE)) {
403411
return;
@@ -431,8 +439,11 @@ static void forward_mouse_event(TermInput *input, TermKeyKey *key)
431439
if (button==4) {
432440
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,"ScrollWheelUp");
433441
}elseif (button==5) {
434-
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,
435-
"ScrollWheelDown");
442+
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,"ScrollWheelDown");
443+
}elseif (button==6) {
444+
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,"ScrollWheelLeft");
445+
}elseif (button==7) {
446+
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,"ScrollWheelRight");
436447
}else {
437448
len+= (size_t)snprintf(buf+len,sizeof(buf)-len,"Mouse");
438449
last_pressed_button=button;

‎test/functional/terminal/tui_spec.lua‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -297,6 +297,9 @@ describe('TUI', function()
297297
]],attrs)
298298
end)
299299

300+
it('accepts mouse wheel events',function()
301+
end)
302+
300303
it('accepts keypad keys from kitty keyboard protocol #19180',function()
301304
feed_data('i')
302305
feed_data(funcs.nr2char(57399))-- KP_0

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