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Adding findPrev for searching backwards to textEditor. Fixing findNext bug

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Dustin Swan 2026-04-06 17:12:19 -06:00
parent 4a62774a57
commit d36f694d80
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GPG key ID: 30D46587E2100467
1 changed files with 38 additions and 12 deletions
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50
src/cg/textEditor.cg
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@ -1,5 +1,13 @@
@textEditor
# TODO
# r to repalce
# O to open new line above
# s to seek
# w / b bug, can't select `textEditor` at start of line
# a to append
# smart case searching
textEditor = name \
# defaults = {};
# c = { ...defaults, ...config };
@ -136,7 +144,6 @@ textEditor = name \
{ state = state, emit = [rebindAt [buffersKey, name] content] };
apply = state \
# content = name & " = " & (join "\n" state.lines) & ";";
content = (join "\n" state.lines);
result = eval! content;
_ = debug! "apply" [content, result];
@ -243,7 +250,7 @@ textEditor = name \
{ state = newState, emit = [] };
findNext = query lines row col \
rest = strIndexOf query (nth row lines ~ unwrapOr "") (col + 1);
rest = strIndexOf query (nth row lines ~ unwrapOr "") col;
rest
| Some c \ { row = row, col = c }
| None \ (
@ -259,7 +266,23 @@ textEditor = name \
| None \ findInLines (r + 1)));
findInLines (row + 1));
# TODO: findPrev
findPrev = query lines row col \
line = slice (nth row lines ~ unwrapOr "") 0 col;
rest = strLastIndexOf query line;
rest
| Some c \ { row = row, col = c }
| None \ (
findInLines = r \
r < 0
| True \ findInLines (len lines - 1) # wrap to bottom
| False \ (r == row
| True \ (strLastIndexOf query (nth row lines ~ unwrapOr "")
| Some c \ { row = row, col = c }
| None \ { row = row, col = col }) # no match
| False \ (strLastIndexOf query (nth r lines ~ unwrapOr "")
| Some c \ { row = r, col = c }
| None \ findInLines (r - 1)));
findInLines (row - 1));
{
view = ctx \
@ -320,17 +343,10 @@ textEditor = name \
updateSearchQuery (state.searchQuery & char) state;
endSearch = state \
# next = findNext state.searchQuery state.lines state.cursorRow state.cursorCol;
newState = autoScroll state.{
mode = Normal,
# cursorCol = next.col,
# cursorRow = next.row,
};
{ state = newState, emit = [] };
{ state = autoScroll state.{ mode = Normal }, emit = [] };
nextSearch = state \
next = findNext state.searchQuery state.lines state.cursorRow state.cursorCol;
next = findNext state.searchQuery state.lines state.cursorRow (state.cursorCol + 1);
newState = autoScroll state.{
mode = Normal,
cursorCol = next.col,
@ -339,6 +355,16 @@ textEditor = name \
{ state = newState, emit = [] };
prevSearch = state \
prev = findPrev state.searchQuery state.lines state.cursorRow state.cursorCol;
newState = autoScroll state.{
mode = Normal,
cursorCol = prev.col,
cursorRow = prev.row,
};
{ state = newState, emit = [] };
scrollHalfUp = state ctx \ (
diff = floor ((ctx.h / 2) / lineH);
newRow = state.cursorRow - diff;