SyedM/crib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add proper selection modes and word jumping

Browse Source
This commit is contained in:
Syed Daanish
2025-12-13 20:43:04 +00:00
parent 5153770ee9
commit 628000f851
8 changed files with 317 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/editor.cc
View File

@@ -74,14 +74,50 @@ void render_editor(Editor *editor) {
2 + static_cast<int>(std::log10(editor->root->line_count + 1));
uint32_t render_width = editor->size.col - numlen;
uint32_t render_x = editor->position.col + numlen;
std::shared_lock knot_lock(editor->knot_mtx);
if (editor->selection_active) {
Coord start, end;
if (editor->cursor >= editor->selection) {
start = editor->selection;
end = move_right(editor, editor->cursor, 1);
uint32_t prev_col, next_col;
switch (editor->selection_type) {
case CHAR:
start = editor->selection;
end = move_right(editor, editor->cursor, 1);
break;
case WORD:
word_boundaries(editor, editor->selection, &prev_col, &next_col,
nullptr, nullptr);
start = {editor->selection.row, prev_col};
end = editor->cursor;
break;
case LINE:
start = {editor->selection.row, 0};
end = editor->cursor;
break;
}
} else {
start = editor->cursor;
end = move_right(editor, editor->selection, 1);
uint32_t prev_col, next_col, line_len;
switch (editor->selection_type) {
case CHAR:
end = move_right(editor, editor->selection, 1);
break;
case WORD:
word_boundaries(editor, editor->selection, &prev_col, &next_col,
nullptr, nullptr);
end = {editor->selection.row, next_col};
break;
case LINE:
LineIterator *it = begin_l_iter(editor->root, editor->selection.row);
char *line = next_line(it, &line_len);
free(it);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
end = {editor->selection.row, line_len};
break;
}
}
sel_start = line_to_byte(editor->root, start.row, nullptr) + start.col;
sel_end = line_to_byte(editor->root, end.row, nullptr) + end.col;
@@ -89,7 +125,6 @@ void render_editor(Editor *editor) {
Coord cursor = {UINT32_MAX, UINT32_MAX};
uint32_t line_index = editor->scroll.row;
SpanCursor span_cursor(editor->spans);
std::shared_lock knot_lock(editor->knot_mtx);
LineIterator *it = begin_l_iter(editor->root, line_index);
if (!it)
return;