wrap by default, at the window width, with a break marker

7 files changed, 118 insertions, 99 deletions

diff --git a/test/snapshots/badutf.snap b/test/snapshots/badutf.snap
index c1d818ac..49d90bdd 100644
--- a/test/snapshots/badutf.snap
+++ b/test/snapshots/badutf.snap
@@ -14,6 +14,12 @@ snap badbytes
 start 30 50 wide.txt
 wait 8000 New Newcol
 stable 700 20000
+# SPC t w turns soft wrap OFF: hscroll is the other half of this case and a
+# wrapped body has nothing to scroll sideways, so the byte cut that halves a
+# glyph only exists here. (The WRAP cut halves one too — same bytes, same
+# U+FFFD — and wrap.snap pins that one.)
+key space t w
+stable 400 5000
 key $
 stable 700 10000
 snap hscroll-midglyph
diff --git a/test/snapshots/hscroll.snap b/test/snapshots/hscroll.snap
index 3f371147..078b56e4 100644
--- a/test/snapshots/hscroll.snap
+++ b/test/snapshots/hscroll.snap
@@ -7,6 +7,11 @@ file wide.txt short1 END_A_MARKER_WAY_OUT_RIGHT_padpadpadpadpadpadpadpadpadpadpa
 start 30 90 -n 3
 wait 8000 wide.txt
 stable 700 20000
+# soft wrap is ON by default and a wrapped body has nothing to scroll sideways
+# — hscroll is what you get when you turn it OFF, so this whole script runs
+# with it off. SPC t w is global, so it is spent once, before the file exists.
+key space t w
+stable 400 5000
 # open wide.txt: click a body spot, type the name, look it
 press left 5 8
 release left 5 8
diff --git a/test/snapshots/lspdebug.golden b/test/snapshots/lspdebug.golden
index afc747eb..b34a264f 100644
--- a/test/snapshots/lspdebug.golden
+++ b/test/snapshots/lspdebug.golden
@@ -204,15 +204,15 @@
 |     4 offsets: utf-8   walk caps: 512 files, 2000 rows
 |     5
 |     6 dependency imports gd can follow (8):
-|     7   zls            /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/zls-0.16.1-dev-rmm5ftfOJgAzIdWUGVB08
-|     8   tree-sitter    /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/tree_sitter-0.26.0-8heIf3CaAQB4SSumo
-|     9   zstbi          /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/zstbi-0.11.0-dev-L0Ea_3GWBwAh7m54XX0
-|    10   mvzr           /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/mvzr-0.3.9-ZSOky6t2AQCA7efmm5EYbPb5s
+|     7   zls            /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/zls-0.16.1-dev-rmm5ftfOJgAzIdWUGVB0↩
+|       8ycFbud2O3viKnGF1HZgfKZJ/src/zls.zig
+|     8   tree-sitter    /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/tree_sitter-0.26.0-8heIf3CaAQB4SSum↩
+|       oGzq3gLSz2rkvXxcKFyskRWqDGBz/src/root.zig
+|     9   zstbi          /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/zstbi-0.11.0-dev-L0Ea_3GWBwAh7m54XX↩
+|       055vwLKPTPij5hyqyeq92MXPE2/src/zstbi.zig
+|    10   mvzr           /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/mvzr-0.3.9-ZSOky6t2AQCA7efmm5EYbPb5↩
+|       sOdbXa4EFsUgYbQ6hZv9/src/mvzr.zig
 |    11   mupdf          /home/goblin/00-projects/0x4200.cafe/02-pardes-code/src/pdf.zig
-|    12   ghostty-vt     /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/ghostty-1.3.2-dev-5UdBC1v_EAUhcFYXrd
-|    13   vaxis          /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/vaxis-0.6.0-BWNV_CrbCQCscGpzsAlR402r
-|    14   uucode         /home/goblin/00-projects/0x4200.cafe/02-pardes-code/zig-pkg/uucode-0.2.0-ZZjBPlK5VADj7fdoq7G8LIH
-|    15 asked from: /tmp/pardes-snap/lspdebug/cwd/z.zig
 |  /tmp/pardes-snap/lspdebug/cwd/+Lsp New Del
 |     1 lsp explain — the definition query at byte 29 of z.zig
 |     2
diff --git a/test/snapshots/tutor.golden b/test/snapshots/tutor.golden
index 53e9cc4e..93ecbe58 100644
--- a/test/snapshots/tutor.golden
+++ b/test/snapshots/tutor.golden
@@ -2,30 +2,30 @@
 |New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
 |  /Tutor Save New Del                               /tmp/pardes-snap/tutor/cwd New Del                /tmp/pardes-snap/tutor/cwd New Del
 |     1
-|     2                                PARDES TUTOR
-|     3                      tmux + vi + acme, from
+|     2                                PARDES TUTO↩
+|       R
+|     3                      tmux + vi + acme, fro↩
+|       m scratch.
 |     4
-|     5         The model is acme's: EVERYTHING is
-|     6         the same way. Modal editing (helix-
-|     7         Press j until you reach the introdu
+|     5         The model is acme's: EVERYTHING is↩
+|        text, editable and executable
+|     6         the same way. Modal editing (helix↩
+|       -style) lives on top of that.
+|     7         Press j until you reach the introd↩
+|       uction.
 |     8
 |     9
-|    10 ===========================================
-|    11 =                      INTRODUCTION
-|    12 ===========================================
+|    10 ==========================================↩  /tmp/pardes-snap/tutor/cwd New Del
+|       =======================
+|    11 =                      INTRODUCTION       ↩
+|                              =
+|    12 ==========================================↩
+|       =======================
 |    13
-|    14  Pardes is tmux + vi + acme, made from scra
-|    15  the acme model: a pane is just text on scr  /tmp/pardes-snap/tutor/cwd New Del
-|    16  "buffer" type — what you see is what you e
-|    17  be live terminals (tty mode); most are tex
-|    18  over. Modal editing (helix-style) is layer
-|    19
-|    20  Three modes (the BOX at the pane's top-lef
-|    21    •  NORMAL   block cursor, keys move/edit
-|    22    ^  INSERT   keys type text at the cursor
-|    23    $  TTY      keys go straight to the shel
-|    24
-|    25  This tutor is in THREE parts, ordered by w
-|    26  editors you may know:
-|    27    PART 1 — the MOUSE. Acme's three buttons
-|    28    PART 2 — the TTY.  A terminal is just a
+|    14  Pardes is tmux + vi + acme, made from scr↩
+|       atch. The foundation is
+|    15  the acme model: a pane is just text on sc↩
+|       reen. There is no separate
+|    16  "buffer" type — what you see is what yo  ↩
+|       u edit. Some panes happen to
+|    17  be live terminals (tty mode); most are te
diff --git a/test/snapshots/wheeldrift.snap b/test/snapshots/wheeldrift.snap
index a546d2ff..5122c949 100644
--- a/test/snapshots/wheeldrift.snap
+++ b/test/snapshots/wheeldrift.snap
@@ -10,6 +10,11 @@ lines drift.txt 20 _0123456789_abcdefghij_ZEND
 start 16 70 drift.txt
 wait 8000 drift.txt
 stable 700 20000
+# the guard protects HSCROLL, and hscroll only exists with soft wrap off (a
+# wrapped body has nothing off to the right to drift towards), so turn it off
+# first — otherwise every sideways tick is a no-op and the test proves nothing
+key space t w
+stable 400 5000
 snap home
 # a drifting swipe: five ticks down with three sideways ones mixed in. The
 # view scrolls DOWN five lines and does not move one column sideways.
diff --git a/test/snapshots/wrap.golden b/test/snapshots/wrap.golden
index 87b70f68..7481cec3 100644
--- a/test/snapshots/wrap.golden
+++ b/test/snapshots/wrap.golden
@@ -1,7 +1,11 @@
-== snap off grid=47x14 cursor=7,2
-|New Newcol Find Grep Help Tutor Dump NextColor
-|  /tmp/pardes-snap/wrap/cwd/long.txt Save New D
-|     1 0---------1---------2---------3---------
+== snap on-narrow grid=48x14 cursor=7,2
+|New Newcol Find Grep Help Tutor Dump NextColor D
+|  /tmp/pardes-snap/wrap/cwd/long.txt Save New De
+|     1 0---------1---------2---------3---------↩
+|       4---------5---------6---------7---------↩
+|       8---------9---------A---------B---------↩
+|       C---------D---------E---------F---------↩
+|       G---------H---------I---------J---------
 |     2 second line
 |     3 third line
 |     4
@@ -9,17 +13,13 @@
 |
 |
 |
-|
-|
-|
-|
-== snap on-narrow grid=47x14 cursor=7,2
-|New Newcol Find Grep Help Tutor Dump NextColor
-|  /tmp/pardes-snap/wrap/cwd/long.txt Save New D
-|     1 0---------1---------2---------3---------
-|       4---------5---------6---------7---------
-|       8---------9---------A---------B---------
-|       C---------D---------E---------F---------
+== snap clicked grid=48x14 cursor=17,3
+|New Newcol Find Grep Help Tutor Dump NextColor D
+|  /tmp/pardes-snap/wrap/cwd/long.txt Save New De
+|     1 0---------1---------2---------3---------↩
+|       4---------5---------6---------7---------↩
+|       8---------9---------A---------B---------↩
+|       C---------D---------E---------F---------↩
 |       G---------H---------I---------J---------
 |     2 second line
 |     3 third line
@@ -28,13 +28,13 @@
 |
 |
 |
-== snap clicked grid=47x14 cursor=17,3
-|New Newcol Find Grep Help Tutor Dump NextColor
-|  /tmp/pardes-snap/wrap/cwd/long.txt Save New D
-|     1 0---------1---------2---------3---------
-|       4---------5---------6---------7---------
-|       8---------9---------A---------B---------
-|       C---------D---------E---------F---------
+== snap logical-j grid=48x14 cursor=18,7
+|New Newcol Find Grep Help Tutor Dump NextColor D
+|  /tmp/pardes-snap/wrap/cwd/long.txt Save New De
+|     1 0---------1---------2---------3---------↩
+|       4---------5---------6---------7---------↩
+|       8---------9---------A---------B---------↩
+|       C---------D---------E---------F---------↩
 |       G---------H---------I---------J---------
 |     2 second line
 |     3 third line
@@ -43,14 +43,10 @@
 |
 |
 |
-== snap logical-j grid=47x14 cursor=18,7
-|New Newcol Find Grep Help Tutor Dump NextColor
-|  /tmp/pardes-snap/wrap/cwd/long.txt Save New D
-|     1 0---------1---------2---------3---------
-|       4---------5---------6---------7---------
-|       8---------9---------A---------B---------
-|       C---------D---------E---------F---------
-|       G---------H---------I---------J---------
+== snap off grid=48x14 cursor=18,3
+|New Newcol Find Grep Help Tutor Dump NextColor D
+|  /tmp/pardes-snap/wrap/cwd/long.txt Save New De
+|     1 0---------1---------2---------3---------4
 |     2 second line
 |     3 third line
 |     4
@@ -58,26 +54,30 @@
 |
 |
 |
-== snap off-again grid=47x14 cursor=18,3
-|New Newcol Find Grep Help Tutor Dump NextColor
-|  /tmp/pardes-snap/wrap/cwd/long.txt Save New D
-|     1 0---------1---------2---------3---------
-|     2 second line
-|     3 third line
-|     4
 |
 |
 |
 |
+== snap on-again grid=48x14 cursor=18,7
+|New Newcol Find Grep Help Tutor Dump NextColor D
+|  /tmp/pardes-snap/wrap/cwd/long.txt Save New De
+|     1 0---------1---------2---------3---------↩
+|       4---------5---------6---------7---------↩
+|       8---------9---------A---------B---------↩
+|       C---------D---------E---------F---------↩
+|       G---------H---------I---------J---------
+|     2 second line
+|     3 third line
+|     4
 |
 |
 |
 |
-== snap on-wide grid=127x14 cursor=7,2
+== snap on-wide grid=128x14 cursor=7,2
 |New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
 |  /tmp/pardes-snap/wrap/cwd/long.txt Save New Del
-|     1 0---------1---------2---------3---------4---------5---------6---------7---------8---------9---------
-|       A---------B---------C---------D---------E---------F---------G---------H---------I---------J---------
+|     1 0---------1---------2---------3---------4---------5---------6---------7---------8---------9---------A---------B---------↩
+|       C---------D---------E---------F---------G---------H---------I---------J---------
 |     2 second line
 |     3 third line
 |     4
diff --git a/test/snapshots/wrap.snap b/test/snapshots/wrap.snap
index c6e976b1..b8849474 100644
--- a/test/snapshots/wrap.snap
+++ b/test/snapshots/wrap.snap
@@ -1,35 +1,34 @@
-# Soft line breaks (the Wrap builtin, `SPC t w`): a file line too long for the
-# pane renders across several body rows instead of running off the right edge.
-# OFF by default, and off it is the clipping render it has always been.
+# Soft line breaks: ON by default, off with the Wrap builtin (`SPC t w`). A
+# file line too long for the pane renders across several body rows instead of
+# running off the right edge.
 #
-# Three rules pinned here. The break is at min(100, the pane's own content
-# width), so a narrow pane breaks at its own edge and a wide one stops at 100.
-# A continuation row carries a BLANK gutter — the number belongs to the LINE,
-# and a number repeated down a wrapped line would read as several lines. And
-# the mouse follows the render: a click on a continuation row lands on the
-# character under the pointer, which only works if the click resolves through
-# the same row->line map the body was drawn from.
+# Three rules pinned here. The break is at the PANE'S OWN content width and
+# nothing else — there is no upper bound, a wide window breaks wide. A
+# continuation row carries a BLANK gutter (the number belongs to the LINE, and
+# a number repeated down a wrapped line would read as several lines) and the
+# row it broke out of ends in `↩`, in the one column the wrap keeps free for
+# it — a break is otherwise invisible, and an absent line number is a poor
+# thing to read a document by. And the mouse follows the render: a click on a
+# continuation row lands on the character under the pointer, which only works
+# if the click resolves through the same row->line map the body was drawn from.
 #
 # The line is 20 decades, each headed by its own column marker: `0` at column
 # 0, `4` at 40, `A` at 100. So the first character of a continuation row NAMES
 # the column it broke at, and the width rule is readable straight off the grid.
 file long.txt 0---------1---------2---------3---------4---------5---------6---------7---------8---------9---------A---------B---------C---------D---------E---------F---------G---------H---------I---------J---------\nsecond line\nthird line\n
-# 47 columns: the 2-column chrome gutter plus the 5-column line-number gutter
-# leave 40 for content, under 100, so the PANE's width is the break.
-start 14 47 long.txt
+# 48 columns: the 2-column chrome gutter, the 5-column line-number gutter and
+# the 1 column the `↩` sits in leave 40 for content.
+start 14 48 long.txt
 wait 8000 New Newcol
 stable 700 20000
-# off: line 1 on ONE row, cut at the right edge, lines 2 and 3 under it
-snap off
-key space t w
-stable 400 5000
-# on: five rows for line 1 (200 bytes / 40), the four continuations gutterless
-# and starting at `4` `8` `C` `G` — the columns 40, 80, 120, 160
+# the default: five rows for line 1 (200 bytes / 40), the four continuations
+# gutterless and starting at `4` `8` `C` `G` — the columns 40, 80, 120, 160 —
+# and each of the first four rows ending in the break marker
 snap on-narrow
 # a click on the SECOND row of line 1, on the `5` marker at column 50. The
 # cursor must come back to the cell that was clicked (grid 17,3): the click
 # resolved to line 1 column 50, and the render put line 1 column 50 back where
-# the finger was. Off by one row and it would land in line 2 instead.
+# the finger was. Off by one row and it would land in line 2.
 press left 18 4
 release left 18 4
 stable 400 5000
@@ -39,16 +38,20 @@ snap clicked
 key j
 stable 400 5000
 snap logical-j
-# ...and off again is off: the same clipped body as the first snap, because
-# the map the readers consult goes back to empty and every one of them falls
-# back to the row arithmetic it used before any of this existed
+# SPC t w turns it off: line 1 back on ONE row, clipped at the right edge with
+# no marker, lines 2 and 3 under it — the render this pane had before soft
+# breaks existed, because the map the readers consult goes back to empty and
+# every one of them falls back to the row arithmetic it used before any of it
 key space t w
 stable 400 5000
-snap off-again
-# 127 columns: 120 for content, so the 100 wins and the break is at the `A`
-start 14 127 long.txt
-wait 8000 New Newcol
-stable 700 20000
+snap off
+# ...and on again is on
 key space t w
 stable 400 5000
+snap on-again
+# 128 columns: 120 for content, and the break is at the `C` — column 120, the
+# window's own width. The old 100-column cap would have broken at the `A`.
+start 14 128 long.txt
+wait 8000 New Newcol
+stable 700 20000
 snap on-wide