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#include "ted-internal.h"
struct RenameSymbol {
LSPServerRequestID request_id;
};
void rename_symbol_quit(Ted *ted) {
rename_symbol_clear(ted);
free(ted->rename_symbol);
ted->rename_symbol = NULL;
}
void rename_symbol_at_cursor(Ted *ted, TextBuffer *buffer, const char *new_name) {
if (!buffer) return;
RenameSymbol *rs = ted->rename_symbol;
LSP *lsp = buffer_lsp(buffer);
if (!lsp) return;
if (!rs->request_id.id) {
// send the request
LSPRequest request = {.type = LSP_REQUEST_RENAME};
LSPRequestRename *data = &request.data.rename;
data->position = buffer_pos_to_lsp_document_position(buffer, buffer->cursor_pos);
data->new_name = str_dup(new_name);
rs->request_id = lsp_send_request(lsp, &request);
}
}
void rename_symbol_clear(Ted *ted) {
RenameSymbol *rs = ted->rename_symbol;
ted_cancel_lsp_request(ted, &rs->request_id);
}
void rename_symbol_frame(Ted *ted) {
RenameSymbol *rs = ted->rename_symbol;
if (rs->request_id.id) {
// we're just waitin'
ted->cursor = ted->cursor_wait;
}
}
static void rename_symbol_menu_open(Ted *ted) {
ted_switch_to_buffer(ted, &ted->line_buffer);
}
static void rename_symbol_menu_update(Ted *ted) {
TextBuffer *line_buffer = &ted->line_buffer;
if (line_buffer->line_buffer_submitted) {
char *new_name = str32_to_utf8_cstr(buffer_get_line(line_buffer, 0));
rename_symbol_at_cursor(ted, ted->prev_active_buffer, new_name);
free(new_name);
}
}
static void rename_symbol_menu_render(Ted *ted) {
RenameSymbol *rs = ted->rename_symbol;
// highlight symbol
TextBuffer *buffer = ted->prev_active_buffer;
if (!buffer) {
menu_close(ted);
return;
}
if (rs->request_id.id) {
// already entered a new name
return;
}
const Settings *settings = buffer_settings(buffer);
const float padding = settings->padding;
const u32 *colors = settings->colors;
const float line_buffer_height = ted_line_buffer_height(ted);
u32 sym_start=0, sym_end=0;
BufferPos cursor_pos = buffer->cursor_pos;
buffer_word_span_at_pos(buffer, cursor_pos, &sym_start, &sym_end);
BufferPos bpos0 = {
.line = cursor_pos.line,
.index = sym_start
};
BufferPos bpos1 = {
.line = cursor_pos.line,
.index = sym_end
};
// symbol should span from pos0 to pos1
vec2 p0 = buffer_pos_to_pixels(buffer, bpos0);
vec2 p1 = buffer_pos_to_pixels(buffer, bpos1);
p1.y += text_font_char_height(buffer_font(buffer));
Rect highlight = rect_endpoints(p0, p1);
gl_geometry_rect_border(highlight, settings->border_thickness, colors[COLOR_BORDER]);
gl_geometry_rect(highlight, colors[COLOR_HOVER_HL]);
const float width = ted_get_menu_width(ted);
const float height = line_buffer_height + 2 * padding;
Rect bounds = {
.pos = {(ted->window_width - width) / 2, padding},
.size = {width, height},
};
gl_geometry_rect(bounds, colors[COLOR_MENU_BG]);
gl_geometry_rect_border(bounds, settings->border_thickness, colors[COLOR_BORDER]);
gl_geometry_draw();
bounds = rect_shrink(bounds, padding);
const char *text = "Rename symbol to...";
text_utf8(ted->font_bold, text, bounds.pos.x, bounds.pos.y, colors[COLOR_TEXT]);
bounds = rect_shrink_left(bounds, text_get_size_vec2(ted->font_bold, text).x + padding);
text_render(ted->font_bold);
buffer_render(&ted->line_buffer, bounds);
}
static bool rename_symbol_menu_close(Ted *ted) {
rename_symbol_clear(ted);
buffer_clear(&ted->line_buffer);
return true;
}
void rename_symbol_process_lsp_response(Ted *ted, const LSPResponse *response) {
RenameSymbol *rs = ted->rename_symbol;
if (response->request.type != LSP_REQUEST_RENAME
|| response->request.id != rs->request_id.id) {
return;
}
const LSPResponseRename *data = &response->data.rename;
LSP *lsp = ted_get_lsp_by_id(ted, rs->request_id.lsp);
if (!lsp) {
// LSP crashed or something
return;
}
bool perform_changes = true;
arr_foreach_ptr(data->changes, const LSPWorkspaceChange, change) {
if (change->type != LSP_CHANGE_EDIT) {
// TODO(eventually) : support these
ted_error(ted, "rename is too complicated for ted to perform.");
perform_changes = false;
}
}
if (perform_changes) {
arr_foreach_ptr(data->changes, const LSPWorkspaceChange, change) {
switch (change->type) {
case LSP_CHANGE_EDIT: {
const LSPWorkspaceChangeEdit *change_data = &change->data.edit;
const char *path = lsp_document_path(lsp, change_data->document);
if (!ted_open_file(ted, path)) goto done;
TextBuffer *buffer = ted_get_buffer_with_file(ted, path);
if (!buffer->will_chain_edits) {
// chain all edits together so they can be undone with one ctrl+z
buffer_start_edit_chain(buffer);
}
if (!buffer) {
// this should never happen since we just
// successfully opened it
assert(0);
goto done;
}
const LSPTextEdit *edit = &change_data->edit;
BufferPos start = buffer_pos_from_lsp(buffer, edit->range.start);
BufferPos end = buffer_pos_from_lsp(buffer, edit->range.end);
buffer_delete_chars_between(buffer, start, end);
buffer_insert_utf8_at_pos(buffer, start, lsp_response_string(response, edit->new_text));
}
break;
case LSP_CHANGE_RENAME:
case LSP_CHANGE_DELETE:
case LSP_CHANGE_CREATE:
assert(0);
break;
}
}
done:
// end all edit chains in all buffers
// they're almost definitely all created by us
for (u16 i = 0; i < TED_MAX_BUFFERS; ++i) {
if (ted->buffers_used[i]) {
TextBuffer *buffer = &ted->buffers[i];
buffer_end_edit_chain(buffer);
}
}
}
rename_symbol_clear(ted);
if (menu_is_open(ted, MENU_RENAME_SYMBOL))
menu_close(ted);
}
void rename_symbol_init(Ted *ted) {
ted->rename_symbol = calloc(1, sizeof *ted->rename_symbol);
MenuInfo menu = {
.open = rename_symbol_menu_open,
.close = rename_symbol_menu_close,
.update = rename_symbol_menu_update,
.render = rename_symbol_menu_render,
};
strbuf_cpy(menu.name, MENU_RENAME_SYMBOL);
menu_register(ted, &menu);
}
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