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Random stuff to do with scripting

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This commit is contained in:
Syed Daanish
2026-01-21 15:05:37 +00:00
parent 81da75dc15
commit 6dc0813b49
44 changed files with 1207 additions and 745 deletions
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12
src/editor/completions.cc
View File

@@ -12,15 +12,14 @@ inline static std::string completion_prefix(Editor *editor) {
if (hook.row != cur.row || cur.col < hook.col)
return "";
LineIterator *it = begin_l_iter(editor->root, hook.row);
char *line = next_line(it, nullptr);
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line) {
free(it->buffer);
free(it);
return "";
}
uint32_t start = utf16_offset_to_utf8(line, hook.col);
uint32_t end = editor->cursor.col;
std::string prefix(line + start, end - start);
std::string prefix(line + hook.col, cur.col - hook.col);
free(it->buffer);
free(it);
return prefix;
@@ -212,13 +211,14 @@ void completion_request(Editor *editor) {
};
std::shared_lock lock(editor->knot_mtx);
LineIterator *it = begin_l_iter(editor->root, hook.row);
char *line = next_line(it, nullptr);
uint32_t length;
char *line = next_line(it, &length);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t col = utf8_byte_offset_to_utf16(line, editor->cursor.col);
uint32_t col = utf8_offset_to_utf16(line, length, editor->cursor.col);
free(it->buffer);
free(it);
lock.unlock();

50
src/editor/edit.cc
View File

@@ -16,17 +16,18 @@ void edit_erase(Editor *editor, Coord pos, int64_t len) {
bool do_lsp = (editor->lsp != nullptr);
if (do_lsp) {
LineIterator *it = begin_l_iter(editor->root, point.row);
char *line = next_line(it, nullptr);
uint32_t len;
char *line = next_line(it, &len);
int utf16_start = 0;
if (line)
utf16_start = utf8_byte_offset_to_utf16(line, point.col);
utf16_start = utf8_offset_to_utf16(line, len, point.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, pos.row);
line = next_line(it, nullptr);
line = next_line(it, &len);
int utf16_end = 0;
if (line)
utf16_end = utf8_byte_offset_to_utf16(line, pos.col);
utf16_end = utf8_offset_to_utf16(line, len, pos.col);
free(it->buffer);
free(it);
lsp_range = {{"start", {{"line", point.row}, {"character", utf16_start}}},
@@ -88,17 +89,18 @@ void edit_erase(Editor *editor, Coord pos, int64_t len) {
bool do_lsp = (editor->lsp != nullptr);
if (do_lsp) {
LineIterator *it = begin_l_iter(editor->root, pos.row);
char *line = next_line(it, nullptr);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_start = 0;
if (line)
utf16_start = utf8_byte_offset_to_utf16(line, pos.col);
utf16_start = utf8_offset_to_utf16(line, line_len, pos.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, point.row);
line = next_line(it, nullptr);
line = next_line(it, &line_len);
int utf16_end = 0;
if (line)
utf16_end = utf8_byte_offset_to_utf16(line, point.col);
utf16_end = utf8_offset_to_utf16(line, line_len, point.col);
free(it->buffer);
free(it);
lsp_range = {{"start", {{"line", pos.row}, {"character", utf16_start}}},
@@ -164,6 +166,14 @@ void edit_insert(Editor *editor, Coord pos, char *data, uint32_t len) {
uint32_t new_row = byte_to_line(editor->root, cursor_new, &new_col);
editor->cursor = {new_row, new_col};
}
LineIterator *it = begin_l_iter(editor->root, pos.row);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_col = 0;
if (line)
utf16_col = utf8_offset_to_utf16(line, line_len, pos.col);
free(it->buffer);
free(it);
lock_1.unlock();
std::unique_lock lock_2(editor->knot_mtx);
editor->root = insert(editor->root, byte_pos, data, len);
@@ -177,15 +187,6 @@ void edit_insert(Editor *editor, Coord pos, char *data, uint32_t len) {
editor->parser->edit(pos.row, pos.row, rows);
if (editor->lsp) {
if (editor->lsp->incremental_sync) {
lock_1.lock();
LineIterator *it = begin_l_iter(editor->root, pos.row);
char *line = next_line(it, nullptr);
int utf16_col = 0;
if (line)
utf16_col = utf8_byte_offset_to_utf16(line, pos.col);
free(it->buffer);
free(it);
lock_1.unlock();
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
@@ -222,17 +223,18 @@ void edit_replace(Editor *editor, Coord start, Coord end, const char *text,
line_to_byte(editor->root, start.row, nullptr) + start.col;
uint32_t end_byte = line_to_byte(editor->root, end.row, nullptr) + end.col;
LineIterator *it = begin_l_iter(editor->root, start.row);
char *line = next_line(it, nullptr);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_start = 0;
if (line)
utf16_start = utf8_byte_offset_to_utf16(line, start.col);
utf16_start = utf8_offset_to_utf16(line, line_len, start.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, end.row);
line = next_line(it, nullptr);
line = next_line(it, &line_len);
int utf16_end = 0;
if (line)
utf16_end = utf8_byte_offset_to_utf16(line, end.col);
utf16_end = utf8_offset_to_utf16(line, line_len, end.col);
free(it->buffer);
free(it);
if (start_byte != end_byte)
@@ -243,10 +245,8 @@ void edit_replace(Editor *editor, Coord start, Coord end, const char *text,
for (uint32_t i = 0; i < len; i++)
if (text[i] == '\n')
rows++;
if (editor->parser) {
editor->parser->edit(start.row, end.row - 1, 0);
editor->parser->edit(start.row, start.row, rows);
}
if (editor->parser)
editor->parser->edit(start.row, end.row - 1, rows);
if (editor->lsp) {
if (editor->lsp->incremental_sync) {
json message = {

4
src/editor/editor.cc
View File

@@ -1,8 +1,8 @@
#include "editor/editor.h"
#include "editor/decl.h"
#include "lsp/lsp.h"
#include "syntax/langs.h"
#include "utils/utils.h"
#include <shared_mutex>
Editor *new_editor(const char *filename_arg, Coord position, Coord size) {
Editor *editor = new Editor();
@@ -29,7 +29,7 @@ Editor *new_editor(const char *filename_arg, Coord position, Coord size) {
editor->root = load(str, len, optimal_chunk_size(len));
free(str);
editor->lang = language_for_file(filename.c_str());
if (editor->lang.name != "unknown")
if (parsers.find(editor->lang.name) != parsers.end())
editor->parser = new Parser(editor, editor->lang.name, size.row + 5);
if (editor->lang.name == "css" || editor->lang.name == "html" ||
editor->lang.name == "javascript" || editor->lang.name == "markdown" ||

468
src/editor/events.cc
View File

@@ -1,147 +1,14 @@
#include "editor/editor.h"
#include "lsp/lsp.h"
#include "editor/helpers.h"
#include "io/sysio.h"
#include "main.h"
#include "utils/utils.h"
void handle_editor_event(Editor *editor, KeyEvent event) {
static std::chrono::steady_clock::time_point last_click_time =
std::chrono::steady_clock::now();
static uint32_t click_count = 0;
static Coord last_click_pos = {UINT32_MAX, UINT32_MAX};
Coord start = editor->cursor;
uint8_t old_mode = mode;
if (editor->hover_active)
editor->hover_active = false;
if (event.key_type == KEY_MOUSE) {
auto now = std::chrono::steady_clock::now();
auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(
now - last_click_time)
.count();
switch (event.mouse_state) {
case SCROLL:
switch (event.mouse_direction) {
case SCROLL_UP:
scroll_up(editor, 4);
ensure_cursor(editor);
break;
case SCROLL_DOWN:
scroll_down(editor, 4);
ensure_cursor(editor);
break;
case SCROLL_LEFT:
cursor_left(editor, 10);
break;
case SCROLL_RIGHT:
cursor_right(editor, 10);
break;
}
break;
case PRESS:
if (event.mouse_button == LEFT_BTN) {
Coord cur_pos = {event.mouse_x, event.mouse_y};
if (duration < 250 && last_click_pos == cur_pos)
click_count++;
else
click_count = 1;
last_click_time = now;
last_click_pos = cur_pos;
Coord p = editor_hit_test(editor, event.mouse_x, event.mouse_y);
if (p.row == UINT32_MAX && p.col == UINT32_MAX)
return;
editor->cursor_preffered = UINT32_MAX;
if (click_count == 1) {
editor->cursor = p;
editor->selection = p;
if (mode == SELECT) {
mode = NORMAL;
editor->selection_active = false;
}
} else if (click_count == 2) {
uint32_t prev_col, next_col;
word_boundaries(editor, editor->cursor, &prev_col, &next_col, nullptr,
nullptr);
if (editor->cursor < editor->selection)
editor->cursor = {editor->cursor.row, prev_col};
else
editor->cursor = {editor->cursor.row, next_col};
editor->cursor_preffered = UINT32_MAX;
editor->selection_type = WORD;
mode = SELECT;
editor->selection_active = true;
} else if (click_count >= 3) {
if (editor->cursor < editor->selection) {
editor->cursor = {p.row, 0};
} else {
uint32_t line_len;
LineIterator *it = begin_l_iter(editor->root, p.row);
char *line = next_line(it, &line_len);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
free(it->buffer);
free(it);
editor->cursor = {p.row, line_len};
}
editor->cursor_preffered = UINT32_MAX;
editor->selection_type = LINE;
mode = SELECT;
editor->selection_active = true;
click_count = 3;
}
}
break;
case DRAG:
if (event.mouse_button == LEFT_BTN) {
Coord p = editor_hit_test(editor, event.mouse_x, event.mouse_y);
if (p.row == UINT32_MAX && p.col == UINT32_MAX)
return;
editor->cursor_preffered = UINT32_MAX;
mode = SELECT;
if (!editor->selection_active) {
editor->selection_active = true;
editor->selection_type = CHAR;
}
uint32_t prev_col, next_col, line_len;
switch (editor->selection_type) {
case CHAR:
editor->cursor = p;
break;
case WORD:
word_boundaries(editor, p, &prev_col, &next_col, nullptr, nullptr);
if (editor->cursor < editor->selection)
editor->cursor = {p.row, prev_col};
else
editor->cursor = {p.row, next_col};
break;
case LINE:
if (editor->cursor < editor->selection) {
editor->cursor = {p.row, 0};
} else {
LineIterator *it = begin_l_iter(editor->root, p.row);
char *line = next_line(it, &line_len);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
free(it->buffer);
free(it);
editor->cursor = {p.row, line_len};
}
break;
}
}
break;
case RELEASE:
if (event.mouse_button == LEFT_BTN)
if (editor->cursor.row == editor->selection.row &&
editor->cursor.col == editor->selection.col) {
mode = NORMAL;
editor->selection_active = false;
}
break;
}
}
handle_mouse(editor, event);
if (event.key_type == KEY_SPECIAL) {
switch (event.special_modifier) {
case 0:
@@ -161,9 +28,6 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
}
break;
case CNTRL:
uint32_t prev_col, next_col;
word_boundaries(editor, editor->cursor, &prev_col, &next_col, nullptr,
nullptr);
switch (event.special_key) {
case KEY_DOWN:
cursor_down(editor, 5);
@@ -172,18 +36,9 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
cursor_up(editor, 5);
break;
case KEY_LEFT:
editor->cursor_preffered = UINT32_MAX;
if (prev_col == editor->cursor.col)
cursor_left(editor, 1);
else
editor->cursor = {editor->cursor.row, prev_col};
break;
cursor_prev_word(editor);
case KEY_RIGHT:
editor->cursor_preffered = UINT32_MAX;
if (next_col == editor->cursor.col)
cursor_right(editor, 1);
else
editor->cursor = {editor->cursor.row, next_col};
cursor_next_word(editor);
break;
}
break;
@@ -210,27 +65,7 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
if (event.key_type == KEY_CHAR && event.len == 1) {
switch (event.c[0]) {
case 'u':
if (editor->root->line_count > 0) {
editor->cursor.row = editor->root->line_count - 1;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
break;
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line)
break;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
line_len = count_clusters(line, line_len, 0, line_len);
free(it->buffer);
free(it);
editor->cursor.col = line_len;
editor->cursor_preffered = UINT32_MAX;
mode = SELECT;
editor->selection_active = true;
editor->selection = {0, 0};
editor->selection_type = LINE;
}
select_all(editor);
break;
case CTRL('h'):
editor->hover.scroll(-1);
@@ -241,68 +76,15 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
editor->hover_active = true;
break;
case 'h':
if (editor->lsp && editor->lsp->allow_hover) {
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
char *line = next_line(it, nullptr);
if (!line) {
free(it->buffer);
free(it);
break;
}
uint32_t col = utf8_byte_offset_to_utf16(line, editor->cursor.col);
free(it->buffer);
free(it);
json hover_request = {
{"jsonrpc", "2.0"},
{"method", "textDocument/hover"},
{"params",
{{"textDocument", {{"uri", editor->uri}}},
{"position",
{{"line", editor->cursor.row}, {"character", col}}}}}};
LSPPending *pending = new LSPPending();
pending->editor = editor;
pending->method = "textDocument/hover";
pending->callback = [](Editor *editor, std::string, json hover) {
if (hover.contains("result") && !hover["result"].is_null()) {
auto &contents = hover["result"]["contents"];
std::string hover_text = "";
bool is_markup = false;
if (contents.is_object()) {
hover_text += contents["value"].get<std::string>();
is_markup = (contents["kind"].get<std::string>() == "markdown");
} else if (contents.is_array()) {
for (auto &block : contents) {
if (block.is_string()) {
hover_text += block.get<std::string>() + "\n";
} else if (block.is_object() && block.contains("language") &&
block.contains("value")) {
std::string lang = block["language"].get<std::string>();
std::string val = block["value"].get<std::string>();
is_markup = true;
hover_text += "```" + lang + "\n" + val + "\n```\n";
}
}
} else if (contents.is_string()) {
hover_text += contents.get<std::string>();
}
if (!hover_text.empty()) {
editor->hover.clear();
editor->hover.text = clean_text(hover_text);
editor->hover.is_markup = is_markup;
editor->hover.render_first();
editor->hover_active = true;
}
}
};
lsp_send(editor->lsp, hover_request, pending);
}
fetch_lsp_hover(editor);
break;
case 'a':
case 'a': {
mode = INSERT;
Coord start = editor->cursor;
cursor_right(editor, 1);
if (start.row != editor->cursor.row)
cursor_left(editor, 1);
break;
} break;
case 'i':
mode = INSERT;
break;
@@ -315,11 +97,7 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
editor->jumper_set = false;
break;
case 'N':
for (uint8_t i = 0; i < 94; i++)
if (editor->hooks[i] == editor->cursor.row + 1) {
editor->hooks[i] = 0;
break;
}
clear_hooks_at_line(editor, editor->cursor.row);
break;
case 's':
case 'v':
@@ -355,29 +133,18 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
ensure_cursor(editor);
break;
case '>':
case '.': {
uint32_t delta = editor->indents.indent_line(editor->cursor.row);
editor->cursor.col = start.col + delta;
editor->cursor.row = start.row;
} break;
case '.':
indent_current_line(editor);
break;
case '<':
case ',': {
uint32_t delta = editor->indents.dedent_line(editor->cursor.row);
editor->cursor.col = MAX((int64_t)start.col - delta, 0);
editor->cursor.row = start.row;
} break;
case ',':
dedent_current_line(editor);
break;
case CTRL('s'):
save_file(editor);
break;
case 'p':
uint32_t len;
char *text = get_from_clipboard(&len);
if (text) {
edit_insert(editor, editor->cursor, text, len);
uint32_t grapheme_len = count_clusters(text, len, 0, len);
cursor_right(editor, grapheme_len);
free(text);
}
paste(editor);
break;
}
}
@@ -391,156 +158,13 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
} else if (event.c[0] == '\n' || event.c[0] == '\r') {
editor->indents.insert_new_line(editor->cursor);
} else if (event.c[0] == CTRL('W')) {
uint32_t prev_col_byte, prev_col_cluster;
word_boundaries(editor, editor->cursor, &prev_col_byte, nullptr,
&prev_col_cluster, nullptr);
if (prev_col_byte == editor->cursor.col)
edit_erase(editor, editor->cursor, -1);
else
edit_erase(editor, editor->cursor, -(int64_t)prev_col_cluster);
delete_prev_word(editor);
} else if (isprint((unsigned char)(event.c[0]))) {
char c = event.c[0];
uint32_t col = editor->cursor.col;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
uint32_t len;
char *line = next_line(it, &len);
if (!line) {
free(it->buffer);
free(it);
return;
}
bool skip_insert = false;
if (line && col < len) {
char next = line[col];
if ((c == '}' && next == '}') || (c == ')' && next == ')') ||
(c == ']' && next == ']') || (c == '"' && next == '"') ||
(c == '\'' && next == '\'')) {
cursor_right(editor, 1);
skip_insert = true;
}
}
free(it->buffer);
free(it);
if (!skip_insert) {
char closing = 0;
switch (c) {
case '{':
closing = '}';
break;
case '(':
closing = ')';
break;
case '[':
closing = ']';
break;
case '"':
closing = '"';
break;
case '\'':
closing = '\'';
break;
}
if (closing) {
char pair[2] = {c, closing};
edit_insert(editor, editor->cursor, pair, 2);
cursor_right(editor, 1);
} else {
edit_insert(editor, editor->cursor, &c, 1);
cursor_right(editor, 1);
}
if (editor->lsp && editor->lsp->allow_formatting_on_type) {
for (char ch : editor->lsp->format_chars) {
if (ch == c) {
LineIterator *it =
begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
char *line = next_line(it, nullptr);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t col =
utf8_byte_offset_to_utf16(line, editor->cursor.col);
free(it->buffer);
free(it);
int version = editor->lsp_version;
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/onTypeFormatting"},
{"params",
{{"textDocument", {{"uri", editor->uri}}},
{"position",
{{"line", editor->cursor.row}, {"character", col}}},
{"ch", std::string(1, c)},
{"options",
{{"tabSize", 2},
{"insertSpaces", true},
{"trimTrailingWhitespace", true},
{"trimFinalNewlines", true}}}}}};
LSPPending *pending = new LSPPending();
pending->editor = editor;
pending->method = "textDocument/onTypeFormatting";
pending->callback = [version](Editor *editor, std::string,
json message) {
if (version != editor->lsp_version)
return;
auto &edits = message["result"];
if (edits.is_array()) {
std::vector<TextEdit> t_edits;
t_edits.reserve(edits.size());
for (auto &edit : edits) {
TextEdit t_edit;
t_edit.text = edit.value("newText", "");
t_edit.start.row = edit["range"]["start"]["line"];
t_edit.start.col = edit["range"]["start"]["character"];
t_edit.end.row = edit["range"]["end"]["line"];
t_edit.end.col = edit["range"]["end"]["character"];
utf8_normalize_edit(editor, &t_edit);
t_edits.push_back(t_edit);
}
apply_lsp_edits(editor, t_edits, false);
ensure_scroll(editor);
}
};
lsp_send(editor->lsp, message, pending);
break;
}
}
}
}
insert_char(editor, event.c[0]);
} else if (event.c[0] == 0x7F || event.c[0] == 0x08) {
Coord prev_pos = editor->cursor;
if (prev_pos.col > 0)
prev_pos.col--;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
char *line = next_line(it, nullptr);
char prev_char = line[prev_pos.col];
char next_char = line[editor->cursor.col];
free(it->buffer);
free(it);
bool is_pair = (prev_char == '{' && next_char == '}') ||
(prev_char == '(' && next_char == ')') ||
(prev_char == '[' && next_char == ']') ||
(prev_char == '"' && next_char == '"') ||
(prev_char == '\'' && next_char == '\'');
if (is_pair) {
edit_erase(editor, editor->cursor, 1);
edit_erase(editor, prev_pos, 1);
} else {
edit_erase(editor, editor->cursor, -1);
}
backspace_edit(editor);
} else if (event.c[0] == 0x1B) {
Coord prev_pos = editor->cursor;
mode = NORMAL;
cursor_left(editor, 1);
if (prev_pos.row != editor->cursor.row)
cursor_right(editor, 1);
normal_mode(editor);
}
} else if (event.len > 1) {
edit_insert(editor, editor->cursor, event.c, event.len);
@@ -553,29 +177,17 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
edit_erase(editor, editor->cursor, 1);
break;
case CNTRL:
uint32_t next_col_byte, next_col_cluster;
word_boundaries(editor, editor->cursor, nullptr, &next_col_byte,
nullptr, &next_col_cluster);
if (next_col_byte == editor->cursor.col)
edit_erase(editor, editor->cursor, 1);
else
edit_erase(editor, editor->cursor, next_col_cluster);
delete_next_word(editor);
break;
}
} else if (event.key_type == KEY_PASTE) {
if (event.c) {
edit_insert(editor, editor->cursor, event.c, event.len);
uint32_t grapheme_len =
count_clusters(event.c, event.len, 0, event.len);
cursor_right(editor, grapheme_len);
}
insert_str(editor, event.c, event.len);
}
break;
case SELECT:
if (event.key_type == KEY_CHAR && event.len == 1) {
uint32_t len;
char *text;
Coord start;
switch (event.c[0]) {
case 0x1B:
case 's':
@@ -584,41 +196,15 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
mode = NORMAL;
break;
case 'y':
text = get_selection(editor, &len, nullptr);
copy_to_clipboard(text, len);
free(text);
editor->selection_active = false;
copy(editor);
mode = NORMAL;
break;
case 'x':
text = get_selection(editor, &len, &start);
copy_to_clipboard(text, len);
len = count_clusters(text, len, 0, len);
edit_erase(editor, start, len);
free(text);
editor->selection_active = false;
cut(editor);
mode = NORMAL;
break;
case 'p':
text = get_from_clipboard(&len);
if (text) {
Coord start, end;
if (editor->cursor >= editor->selection) {
start = editor->selection;
end = move_right(editor, editor->cursor, 1);
} else {
start = editor->cursor;
end = move_right(editor, editor->selection, 1);
}
uint32_t start_byte =
line_to_byte(editor->root, start.row, nullptr) + start.col;
uint32_t end_byte =
line_to_byte(editor->root, end.row, nullptr) + end.col;
edit_erase(editor, start, end_byte - start_byte);
edit_insert(editor, editor->cursor, text, len);
free(text);
}
editor->selection_active = false;
paste(editor);
mode = NORMAL;
break;
}

491
src/editor/helpers.cc Normal file
View File

@@ -0,0 +1,491 @@
#include "editor/helpers.h"
#include "editor/editor.h"
#include "io/sysio.h"
#include "lsp/lsp.h"
#include "main.h"
#include "utils/utils.h"
void cut(Editor *editor) {
if (mode != SELECT)
return;
Coord start;
uint32_t len;
char *text = get_selection(editor, &len, &start);
copy_to_clipboard(text, len);
len = count_clusters(text, len, 0, len);
edit_erase(editor, start, len);
free(text);
editor->selection_active = false;
}
void copy(Editor *editor) {
if (mode != SELECT)
return;
uint32_t len;
char *text = get_selection(editor, &len, nullptr);
copy_to_clipboard(text, len);
free(text);
editor->selection_active = false;
}
void paste(Editor *editor) {
uint32_t len;
if (mode == NORMAL) {
char *text = get_from_clipboard(&len);
if (text) {
insert_str(editor, text, len);
free(text);
}
} else if (mode == SELECT) {
char *text = get_from_clipboard(&len);
if (text) {
Coord start, end;
selection_bounds(editor, &start, &end);
uint32_t start_byte =
line_to_byte(editor->root, start.row, nullptr) + start.col;
uint32_t end_byte =
line_to_byte(editor->root, end.row, nullptr) + end.col;
edit_erase(editor, start, end_byte - start_byte);
edit_insert(editor, editor->cursor, text, len);
free(text);
}
editor->selection_active = false;
}
}
void insert_str(Editor *editor, char *c, uint32_t len) {
if (c) {
edit_insert(editor, editor->cursor, c, len);
uint32_t grapheme_len = count_clusters(c, len, 0, len);
cursor_right(editor, grapheme_len);
}
}
void indent_current_line(Editor *editor) {
Coord start = editor->cursor;
uint32_t delta = editor->indents.indent_line(editor->cursor.row);
editor->cursor.col = start.col + delta;
editor->cursor.row = start.row;
}
void dedent_current_line(Editor *editor) {
Coord start = editor->cursor;
uint32_t delta = editor->indents.dedent_line(editor->cursor.row);
editor->cursor.col = MAX((int64_t)start.col - delta, 0);
editor->cursor.row = start.row;
}
void insert_char(Editor *editor, char c) {
uint32_t col = editor->cursor.col;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
uint32_t len;
char *line = next_line(it, &len);
if (!line) {
free(it->buffer);
free(it);
return;
}
bool skip_insert = false;
if (line && col < len) {
char next = line[col];
if ((c == '}' && next == '}') || (c == ')' && next == ')') ||
(c == ']' && next == ']') || (c == '"' && next == '"') ||
(c == '\'' && next == '\'')) {
cursor_right(editor, 1);
skip_insert = true;
}
}
free(it->buffer);
free(it);
if (!skip_insert) {
char closing = 0;
switch (c) {
case '{':
closing = '}';
break;
case '(':
closing = ')';
break;
case '[':
closing = ']';
break;
case '"':
closing = '"';
break;
case '\'':
closing = '\'';
break;
}
if (closing) {
char pair[2] = {c, closing};
edit_insert(editor, editor->cursor, pair, 2);
cursor_right(editor, 1);
} else {
edit_insert(editor, editor->cursor, &c, 1);
cursor_right(editor, 1);
}
if (editor->lsp && editor->lsp->allow_formatting_on_type) {
for (char ch : editor->lsp->format_chars) {
if (ch == c) {
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
uint32_t len;
char *line = next_line(it, &len);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t col = utf8_offset_to_utf16(line, len, editor->cursor.col);
free(it->buffer);
free(it);
int version = editor->lsp_version;
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/onTypeFormatting"},
{"params",
{{"textDocument", {{"uri", editor->uri}}},
{"position",
{{"line", editor->cursor.row}, {"character", col}}},
{"ch", std::string(1, c)},
{"options",
{{"tabSize", 2},
{"insertSpaces", true},
{"trimTrailingWhitespace", true},
{"trimFinalNewlines", true}}}}}};
LSPPending *pending = new LSPPending();
pending->editor = editor;
pending->method = "textDocument/onTypeFormatting";
pending->callback = [version](Editor *editor, std::string,
json message) {
if (version != editor->lsp_version)
return;
auto &edits = message["result"];
if (edits.is_array()) {
std::vector<TextEdit> t_edits;
t_edits.reserve(edits.size());
for (auto &edit : edits) {
TextEdit t_edit;
t_edit.text = edit.value("newText", "");
t_edit.start.row = edit["range"]["start"]["line"];
t_edit.start.col = edit["range"]["start"]["character"];
t_edit.end.row = edit["range"]["end"]["line"];
t_edit.end.col = edit["range"]["end"]["character"];
utf8_normalize_edit(editor, &t_edit);
t_edits.push_back(t_edit);
}
apply_lsp_edits(editor, t_edits, false);
ensure_scroll(editor);
}
};
lsp_send(editor->lsp, message, pending);
break;
}
}
}
}
}
void normal_mode(Editor *editor) {
Coord prev_pos = editor->cursor;
mode = NORMAL;
cursor_left(editor, 1);
if (prev_pos.row != editor->cursor.row)
cursor_right(editor, 1);
}
void backspace_edit(Editor *editor) {
Coord prev_pos = editor->cursor;
if (prev_pos.col > 0)
prev_pos.col--;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
char *line = next_line(it, nullptr);
char prev_char = line[prev_pos.col];
char next_char = line[editor->cursor.col];
free(it->buffer);
free(it);
bool is_pair = (prev_char == '{' && next_char == '}') ||
(prev_char == '(' && next_char == ')') ||
(prev_char == '[' && next_char == ']') ||
(prev_char == '"' && next_char == '"') ||
(prev_char == '\'' && next_char == '\'');
if (is_pair) {
edit_erase(editor, editor->cursor, 1);
edit_erase(editor, prev_pos, 1);
} else {
edit_erase(editor, editor->cursor, -1);
}
}
void delete_prev_word(Editor *editor) {
uint32_t prev_col_byte, prev_col_cluster;
word_boundaries(editor, editor->cursor, &prev_col_byte, nullptr,
&prev_col_cluster, nullptr);
if (prev_col_byte == editor->cursor.col)
edit_erase(editor, editor->cursor, -1);
else
edit_erase(editor, editor->cursor, -(int64_t)prev_col_cluster);
}
void delete_next_word(Editor *editor) {
uint32_t next_col_byte, next_col_cluster;
word_boundaries(editor, editor->cursor, nullptr, &next_col_byte, nullptr,
&next_col_cluster);
if (next_col_byte == editor->cursor.col)
edit_erase(editor, editor->cursor, 1);
else
edit_erase(editor, editor->cursor, next_col_cluster);
}
void clear_hooks_at_line(Editor *editor, uint32_t line) {
for (uint8_t i = 0; i < 94; i++)
if (editor->hooks[i] == line + 1) {
editor->hooks[i] = 0;
break;
}
}
void cursor_prev_word(Editor *editor) {
uint32_t prev_col;
word_boundaries(editor, editor->cursor, &prev_col, nullptr, nullptr, nullptr);
editor->cursor_preffered = UINT32_MAX;
if (prev_col == editor->cursor.col)
cursor_left(editor, 1);
else
editor->cursor = {editor->cursor.row, prev_col};
}
void cursor_next_word(Editor *editor) {
uint32_t next_col;
word_boundaries(editor, editor->cursor, nullptr, &next_col, nullptr, nullptr);
editor->cursor_preffered = UINT32_MAX;
if (next_col == editor->cursor.col)
cursor_right(editor, 1);
else
editor->cursor = {editor->cursor.row, next_col};
}
void select_all(Editor *editor) {
if (editor->root->line_count > 0) {
editor->cursor.row = editor->root->line_count - 1;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
line_len = count_clusters(line, line_len, 0, line_len);
free(it->buffer);
free(it);
editor->cursor.col = line_len;
editor->cursor_preffered = UINT32_MAX;
mode = SELECT;
editor->selection_active = true;
editor->selection = {0, 0};
editor->selection_type = LINE;
}
}
void fetch_lsp_hover(Editor *editor) {
if (editor->lsp && editor->lsp->allow_hover) {
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t col = utf8_offset_to_utf16(line, line_len, editor->cursor.col);
free(it->buffer);
free(it);
json hover_request = {
{"jsonrpc", "2.0"},
{"method", "textDocument/hover"},
{"params",
{{"textDocument", {{"uri", editor->uri}}},
{"position", {{"line", editor->cursor.row}, {"character", col}}}}}};
LSPPending *pending = new LSPPending();
pending->editor = editor;
pending->method = "textDocument/hover";
pending->callback = [](Editor *editor, std::string, json hover) {
if (hover.contains("result") && !hover["result"].is_null()) {
auto &contents = hover["result"]["contents"];
std::string hover_text = "";
bool is_markup = false;
if (contents.is_object()) {
hover_text += contents["value"].get<std::string>();
is_markup = (contents["kind"].get<std::string>() == "markdown");
} else if (contents.is_array()) {
for (auto &block : contents) {
if (block.is_string()) {
hover_text += block.get<std::string>() + "\n";
} else if (block.is_object() && block.contains("language") &&
block.contains("value")) {
std::string lang = block["language"].get<std::string>();
std::string val = block["value"].get<std::string>();
is_markup = true;
hover_text += "```" + lang + "\n" + val + "\n```\n";
}
}
} else if (contents.is_string()) {
hover_text += contents.get<std::string>();
}
if (!hover_text.empty()) {
editor->hover.clear();
editor->hover.text = clean_text(hover_text);
editor->hover.is_markup = is_markup;
editor->hover.render_first();
editor->hover_active = true;
}
}
};
lsp_send(editor->lsp, hover_request, pending);
}
}
void handle_mouse(Editor *editor, KeyEvent event) {
static std::chrono::steady_clock::time_point last_click_time =
std::chrono::steady_clock::now();
static uint32_t click_count = 0;
static Coord last_click_pos = {UINT32_MAX, UINT32_MAX};
uint8_t old_mode = mode;
if (event.key_type == KEY_MOUSE) {
auto now = std::chrono::steady_clock::now();
auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(
now - last_click_time)
.count();
switch (event.mouse_state) {
case SCROLL:
switch (event.mouse_direction) {
case SCROLL_UP:
scroll_up(editor, 4);
ensure_cursor(editor);
break;
case SCROLL_DOWN:
scroll_down(editor, 4);
ensure_cursor(editor);
break;
case SCROLL_LEFT:
cursor_left(editor, 10);
break;
case SCROLL_RIGHT:
cursor_right(editor, 10);
break;
}
break;
case PRESS:
if (event.mouse_button == LEFT_BTN) {
Coord cur_pos = {event.mouse_x, event.mouse_y};
if (duration < 250 && last_click_pos == cur_pos)
click_count++;
else
click_count = 1;
last_click_time = now;
last_click_pos = cur_pos;
Coord p = editor_hit_test(editor, event.mouse_x, event.mouse_y);
if (p.row == UINT32_MAX && p.col == UINT32_MAX)
return;
editor->cursor_preffered = UINT32_MAX;
if (click_count == 1) {
editor->cursor = p;
editor->selection = p;
if (mode == SELECT) {
mode = NORMAL;
editor->selection_active = false;
}
} else if (click_count == 2) {
uint32_t prev_col, next_col;
word_boundaries(editor, editor->cursor, &prev_col, &next_col, nullptr,
nullptr);
if (editor->cursor < editor->selection)
editor->cursor = {editor->cursor.row, prev_col};
else
editor->cursor = {editor->cursor.row, next_col};
editor->cursor_preffered = UINT32_MAX;
editor->selection_type = WORD;
mode = SELECT;
editor->selection_active = true;
} else if (click_count >= 3) {
if (editor->cursor < editor->selection) {
editor->cursor = {p.row, 0};
} else {
uint32_t line_len;
LineIterator *it = begin_l_iter(editor->root, p.row);
char *line = next_line(it, &line_len);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
free(it->buffer);
free(it);
editor->cursor = {p.row, line_len};
}
editor->cursor_preffered = UINT32_MAX;
editor->selection_type = LINE;
mode = SELECT;
editor->selection_active = true;
click_count = 3;
}
}
break;
case DRAG:
if (event.mouse_button == LEFT_BTN) {
Coord p = editor_hit_test(editor, event.mouse_x, event.mouse_y);
if (p.row == UINT32_MAX && p.col == UINT32_MAX)
return;
editor->cursor_preffered = UINT32_MAX;
mode = SELECT;
if (!editor->selection_active) {
editor->selection_active = true;
editor->selection_type = CHAR;
}
uint32_t prev_col, next_col, line_len;
switch (editor->selection_type) {
case CHAR:
editor->cursor = p;
break;
case WORD:
word_boundaries(editor, p, &prev_col, &next_col, nullptr, nullptr);
if (editor->cursor < editor->selection)
editor->cursor = {p.row, prev_col};
else
editor->cursor = {p.row, next_col};
break;
case LINE:
if (editor->cursor < editor->selection) {
editor->cursor = {p.row, 0};
} else {
LineIterator *it = begin_l_iter(editor->root, p.row);
char *line = next_line(it, &line_len);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
free(it->buffer);
free(it);
editor->cursor = {p.row, line_len};
}
break;
}
}
break;
case RELEASE:
if (event.mouse_button == LEFT_BTN)
if (editor->cursor.row == editor->selection.row &&
editor->cursor.col == editor->selection.col) {
mode = NORMAL;
editor->selection_active = false;
}
break;
}
}
}

5
src/editor/indents.cc
View File

@@ -323,13 +323,14 @@ void IndentationEngine::insert_new_line(Coord cursor) {
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
if (!it)
return;
char *line = next_line(it, nullptr);
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t col = utf8_byte_offset_to_utf16(line, editor->cursor.col);
uint32_t col = utf8_offset_to_utf16(line, line_len, editor->cursor.col);
free(it->buffer);
free(it);
int version = editor->lsp_version;

4
src/editor/lsp.cc
View File

@@ -60,10 +60,10 @@ void editor_lsp_handle(Editor *editor, json msg) {
if (len > 0 && line[len - 1] == '\n')
--len;
lock.unlock();
w.start = utf16_offset_to_utf8(line, w.start);
w.start = utf16_offset_to_utf8(line, len, w.start);
uint32_t end = d["range"]["end"]["character"];
if (d["range"]["end"]["line"] == w.line)
w.end = utf16_offset_to_utf8(line, end);
w.end = utf16_offset_to_utf8(line, len, end);
free(it->buffer);
free(it);
std::string text = trim(d["message"].get<std::string>());

12
src/editor/renderer.cc
View File

@@ -107,10 +107,12 @@ void render_editor(Editor *editor) {
while (rendered_rows < editor->size.row) {
uint32_t line_len;
char *line = next_line(it, &line_len);
if (line_data)
line_data = editor->parser->line_tree.next();
else
line_data = editor->parser->line_tree.start_iter(line_index);
if (editor->parser) {
if (line_data)
line_data = editor->parser->line_tree.next();
else
line_data = editor->parser->line_tree.start_iter(line_index);
}
if (!line)
break;
if (line_len > 0 && line[line_len - 1] == '\n')
@@ -186,7 +188,7 @@ void render_editor(Editor *editor) {
: 0);
if (editor->selection_active && absolute_byte_pos >= sel_start &&
absolute_byte_pos < sel_end)
bg = 0x555555;
bg = bg | 0x555555;
uint32_t u_color = 0;
for (const auto &w : line_warnings) {
if (w.start <= current_byte_offset + local_render_offset &&

63
src/editor/selection.cc
View File

@@ -1,17 +1,18 @@
#include "editor/editor.h"
#include "utils/utils.h"
char *get_selection(Editor *editor, uint32_t *out_len, Coord *out_start) {
void selection_bounds(Editor *editor, Coord *out_start, Coord *out_end) {
std::shared_lock lock(editor->knot_mtx);
Coord start, end;
if (editor->cursor >= editor->selection) {
uint32_t prev_col, next_col;
uint32_t prev_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,
word_boundaries(editor, editor->selection, &prev_col, nullptr, nullptr,
nullptr);
start = {editor->selection.row, prev_col};
end = editor->cursor;
@@ -23,13 +24,65 @@ char *get_selection(Editor *editor, uint32_t *out_len, Coord *out_start) {
}
} else {
start = editor->cursor;
uint32_t prev_col, next_col, line_len;
uint32_t 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,
word_boundaries(editor, editor->selection, nullptr, &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);
if (!line)
return;
if (line_len > 0 && line[line_len - 1] == '\n')
line_len--;
end = {editor->selection.row, line_len};
free(it->buffer);
free(it);
break;
}
}
if (out_start)
*out_start = start;
if (out_end)
*out_end = end;
}
char *get_selection(Editor *editor, uint32_t *out_len, Coord *out_start) {
std::shared_lock lock(editor->knot_mtx);
Coord start, end;
if (editor->cursor >= editor->selection) {
uint32_t prev_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, nullptr, 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;
uint32_t 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, nullptr, &next_col, nullptr,
nullptr);
end = {editor->selection.row, next_col};
break;