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e0f8410d16
godot/scene/gui/code_edit.cpp
Eric M e0f8410d16 Improved breakpoint gutter for CodeEdit. 
Added preview of breakpoint placement on hover. Added override of icon for the Editor to use an SVG so it is no longer blurry.
2021-09-30 22:15:47 +10:00

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/*************************************************************************/
/* code_edit.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "code_edit.h"
#include "core/os/keyboard.h"
#include "core/string/string_builder.h"
#include "core/string/ustring.h"
static bool _is_whitespace(char32_t c) {
return c == '\t' || c == ' ';
}
static bool _is_char(char32_t c) {
return !is_symbol(c);
}
void CodeEdit::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED:
case NOTIFICATION_ENTER_TREE: {
style_normal = get_theme_stylebox(SNAME("normal"));
font = get_theme_font(SNAME("font"));
font_size = get_theme_font_size(SNAME("font_size"));
line_spacing = get_theme_constant(SNAME("line_spacing"));
set_gutter_width(main_gutter, get_line_height());
set_gutter_width(line_number_gutter, (line_number_digits + 1) * font->get_char_size('0', 0, font_size).width);
set_gutter_width(fold_gutter, get_line_height() / 1.2);
breakpoint_color = get_theme_color(SNAME("breakpoint_color"));
breakpoint_icon = get_theme_icon(SNAME("breakpoint"));
bookmark_color = get_theme_color(SNAME("bookmark_color"));
bookmark_icon = get_theme_icon(SNAME("bookmark"));
executing_line_color = get_theme_color(SNAME("executing_line_color"));
executing_line_icon = get_theme_icon(SNAME("executing_line"));
line_number_color = get_theme_color(SNAME("line_number_color"));
folding_color = get_theme_color(SNAME("code_folding_color"));
can_fold_icon = get_theme_icon(SNAME("can_fold"));
folded_icon = get_theme_icon(SNAME("folded"));
code_completion_max_width = get_theme_constant(SNAME("completion_max_width"));
code_completion_max_lines = get_theme_constant(SNAME("completion_lines"));
code_completion_scroll_width = get_theme_constant(SNAME("completion_scroll_width"));
code_completion_scroll_color = get_theme_color(SNAME("completion_scroll_color"));
code_completion_background_color = get_theme_color(SNAME("completion_background_color"));
code_completion_selected_color = get_theme_color(SNAME("completion_selected_color"));
code_completion_existing_color = get_theme_color(SNAME("completion_existing_color"));
line_length_guideline_color = get_theme_color(SNAME("line_length_guideline_color"));
} break;
case NOTIFICATION_DRAW: {
RID ci = get_canvas_item();
const Size2 size = get_size();
const bool caret_visible = is_caret_visible();
const bool rtl = is_layout_rtl();
const int row_height = get_line_height();
if (line_length_guideline_columns.size() > 0) {
const int xmargin_beg = style_normal->get_margin(SIDE_LEFT) + get_total_gutter_width();
const int xmargin_end = size.width - style_normal->get_margin(SIDE_RIGHT) - (is_drawing_minimap() ? get_minimap_width() : 0);
const int char_size = (int)font->get_char_size('0', 0, font_size).width;
for (int i = 0; i < line_length_guideline_columns.size(); i++) {
const int xoffset = xmargin_beg + char_size * (int)line_length_guideline_columns[i] - get_h_scroll();
if (xoffset > xmargin_beg && xoffset < xmargin_end) {
Color guideline_color = (i == 0) ? line_length_guideline_color : line_length_guideline_color * Color(1, 1, 1, 0.5);
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_line(ci, Point2(size.width - xoffset, 0), Point2(size.width - xoffset, size.height), guideline_color);
continue;
}
RenderingServer::get_singleton()->canvas_item_add_line(ci, Point2(xoffset, 0), Point2(xoffset, size.height), guideline_color);
}
}
}
bool code_completion_below = false;
if (caret_visible && code_completion_active && code_completion_options.size() > 0) {
Ref<StyleBox> csb = get_theme_stylebox(SNAME("completion"));
const int code_completion_options_count = code_completion_options.size();
const int lines = MIN(code_completion_options_count, code_completion_max_lines);
const int icon_hsep = get_theme_constant(SNAME("hseparation"), SNAME("ItemList"));
const Size2 icon_area_size(row_height, row_height);
code_completion_rect.size.width = code_completion_longest_line + icon_hsep + icon_area_size.width + 2;
code_completion_rect.size.height = lines * row_height;
const Point2 caret_pos = get_caret_draw_pos();
const int total_height = csb->get_minimum_size().y + code_completion_rect.size.height;
if (caret_pos.y + row_height + total_height > get_size().height) {
code_completion_rect.position.y = (caret_pos.y - total_height - row_height) + line_spacing;
} else {
code_completion_rect.position.y = caret_pos.y + (line_spacing / 2.0f);
code_completion_below = true;
}
const int scroll_width = code_completion_options_count > code_completion_max_lines ? code_completion_scroll_width : 0;
const int code_completion_base_width = font->get_string_size(code_completion_base).width;
if (caret_pos.x - code_completion_base_width + code_completion_rect.size.width + scroll_width > get_size().width) {
code_completion_rect.position.x = get_size().width - code_completion_rect.size.width - scroll_width;
} else {
code_completion_rect.position.x = caret_pos.x - code_completion_base_width;
}
draw_style_box(csb, Rect2(code_completion_rect.position - csb->get_offset(), code_completion_rect.size + csb->get_minimum_size() + Size2(scroll_width, 0)));
if (code_completion_background_color.a > 0.01) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(code_completion_rect.position, code_completion_rect.size + Size2(scroll_width, 0)), code_completion_background_color);
}
code_completion_line_ofs = CLAMP(code_completion_current_selected - lines / 2, 0, code_completion_options_count - lines);
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(code_completion_rect.position.x, code_completion_rect.position.y + (code_completion_current_selected - code_completion_line_ofs) * row_height), Size2(code_completion_rect.size.width, row_height)), code_completion_selected_color);
draw_rect(Rect2(code_completion_rect.position + Vector2(icon_area_size.x + icon_hsep, 0), Size2(MIN(code_completion_base_width, code_completion_rect.size.width - (icon_area_size.x + icon_hsep)), code_completion_rect.size.height)), code_completion_existing_color);
for (int i = 0; i < lines; i++) {
int l = code_completion_line_ofs + i;
ERR_CONTINUE(l < 0 || l >= code_completion_options_count);
Ref<TextLine> tl;
tl.instantiate();
tl->add_string(code_completion_options[l].display, font, font_size);
int yofs = (row_height - tl->get_size().y) / 2;
Point2 title_pos(code_completion_rect.position.x, code_completion_rect.position.y + i * row_height + yofs);
/* Draw completion icon if it is valid. */
const Ref<Texture2D> &icon = code_completion_options[l].icon;
Rect2 icon_area(code_completion_rect.position.x, code_completion_rect.position.y + i * row_height, icon_area_size.width, icon_area_size.height);
if (icon.is_valid()) {
Size2 icon_size = icon_area.size * 0.7;
icon->draw_rect(ci, Rect2(icon_area.position + (icon_area.size - icon_size) / 2, icon_size));
}
title_pos.x = icon_area.position.x + icon_area.size.width + icon_hsep;
tl->set_width(code_completion_rect.size.width - (icon_area_size.x + icon_hsep));
if (rtl) {
if (code_completion_options[l].default_value.get_type() == Variant::COLOR) {
draw_rect(Rect2(Point2(code_completion_rect.position.x, icon_area.position.y), icon_area_size), (Color)code_completion_options[l].default_value);
}
tl->set_align(HALIGN_RIGHT);
} else {
if (code_completion_options[l].default_value.get_type() == Variant::COLOR) {
draw_rect(Rect2(Point2(code_completion_rect.position.x + code_completion_rect.size.width - icon_area_size.x, icon_area.position.y), icon_area_size), (Color)code_completion_options[l].default_value);
}
tl->set_align(HALIGN_LEFT);
}
tl->draw(ci, title_pos, code_completion_options[l].font_color);
}
/* Draw a small scroll rectangle to show a position in the options. */
if (scroll_width) {
float r = (float)code_completion_max_lines / code_completion_options_count;
float o = (float)code_completion_line_ofs / code_completion_options_count;
draw_rect(Rect2(code_completion_rect.position.x + code_completion_rect.size.width, code_completion_rect.position.y + o * code_completion_rect.size.y, scroll_width, code_completion_rect.size.y * r), code_completion_scroll_color);
}
}
/* Code hint */
if (caret_visible && code_hint != "" && (!code_completion_active || (code_completion_below != code_hint_draw_below))) {
const int font_height = font->get_height(font_size);
Ref<StyleBox> sb = get_theme_stylebox(SNAME("panel"), SNAME("TooltipPanel"));
Color font_color = get_theme_color(SNAME("font_color"), SNAME("TooltipLabel"));
Vector<String> code_hint_lines = code_hint.split("\n");
int line_count = code_hint_lines.size();
int max_width = 0;
for (int i = 0; i < line_count; i++) {
max_width = MAX(max_width, font->get_string_size(code_hint_lines[i], font_size).x);
}
Size2 minsize = sb->get_minimum_size() + Size2(max_width, line_count * font_height + (line_spacing * line_count - 1));
int offset = font->get_string_size(code_hint_lines[0].substr(0, code_hint_lines[0].find(String::chr(0xFFFF))), font_size).x;
if (code_hint_xpos == -0xFFFF) {
code_hint_xpos = get_caret_draw_pos().x - offset;
}
Point2 hint_ofs = Vector2(code_hint_xpos, get_caret_draw_pos().y);
if (code_hint_draw_below) {
hint_ofs.y += line_spacing / 2.0f;
} else {
hint_ofs.y -= (minsize.y + row_height) - line_spacing;
}
draw_style_box(sb, Rect2(hint_ofs, minsize));
int yofs = 0;
for (int i = 0; i < line_count; i++) {
const String &line = code_hint_lines[i];
int begin = 0;
int end = 0;
if (line.find(String::chr(0xFFFF)) != -1) {
begin = font->get_string_size(line.substr(0, line.find(String::chr(0xFFFF))), font_size).x;
end = font->get_string_size(line.substr(0, line.rfind(String::chr(0xFFFF))), font_size).x;
}
Point2 round_ofs = hint_ofs + sb->get_offset() + Vector2(0, font->get_ascent(font_size) + font_height * i + yofs);
round_ofs = round_ofs.round();
draw_string(font, round_ofs, line.replace(String::chr(0xFFFF), ""), HALIGN_LEFT, -1, font_size, font_color);
if (end > 0) {
// Draw an underline for the currently edited function parameter.
const Vector2 b = hint_ofs + sb->get_offset() + Vector2(begin, font_height + font_height * i + yofs);
draw_line(b, b + Vector2(end - begin, 0), font_color, 2);
// Draw a translucent text highlight as well.
const Rect2 highlight_rect = Rect2(
b - Vector2(0, font_height),
Vector2(end - begin, font_height));
draw_rect(highlight_rect, font_color * Color(1, 1, 1, 0.2));
}
yofs += line_spacing;
}
}
} break;
}
}
void CodeEdit::gui_input(const Ref<InputEvent> &p_gui_input) {
Ref<InputEventMouseButton> mb = p_gui_input;
if (mb.is_valid()) {
/* Ignore mouse clicks in IME input mode. */
if (has_ime_text()) {
return;
}
if (code_completion_active && code_completion_rect.has_point(mb->get_position())) {
if (!mb->is_pressed()) {
return;
}
switch (mb->get_button_index()) {
case MOUSE_BUTTON_WHEEL_UP: {
if (code_completion_current_selected > 0) {
code_completion_current_selected--;
update();
}
} break;
case MOUSE_BUTTON_WHEEL_DOWN: {
if (code_completion_current_selected < code_completion_options.size() - 1) {
code_completion_current_selected++;
update();
}
} break;
case MOUSE_BUTTON_LEFT: {
code_completion_current_selected = CLAMP(code_completion_line_ofs + (mb->get_position().y - code_completion_rect.position.y) / get_line_height(), 0, code_completion_options.size() - 1);
if (mb->is_double_click()) {
confirm_code_completion();
}
update();
} break;
default:
break;
}
return;
}
cancel_code_completion();
set_code_hint("");
if (mb->is_pressed()) {
Vector2i mpos = mb->get_position();
if (is_layout_rtl()) {
mpos.x = get_size().x - mpos.x;
}
Point2i pos = get_line_column_at_pos(mpos);
int line = pos.y;
int col = pos.x;
if (mb->get_button_index() == MOUSE_BUTTON_LEFT) {
if (is_line_folded(line)) {
int wrap_index = get_line_wrap_index_at_column(line, col);
if (wrap_index == get_line_wrap_count(line)) {
int eol_icon_width = folded_eol_icon->get_width();
int left_margin = get_total_gutter_width() + eol_icon_width + get_line_width(line, wrap_index) - get_h_scroll();
if (mpos.x > left_margin && mpos.x <= left_margin + eol_icon_width + 3) {
unfold_line(line);
return;
}
}
}
}
} else {
if (mb->get_button_index() == MOUSE_BUTTON_LEFT) {
if (mb->is_command_pressed() && symbol_lookup_word != String()) {
Vector2i mpos = mb->get_position();
if (is_layout_rtl()) {
mpos.x = get_size().x - mpos.x;
}
Point2i pos = get_line_column_at_pos(mpos);
int line = pos.y;
int col = pos.x;
emit_signal(SNAME("symbol_lookup"), symbol_lookup_word, line, col);
return;
}
}
}
}
Ref<InputEventMouseMotion> mm = p_gui_input;
if (mm.is_valid()) {
Vector2i mpos = mm->get_position();
if (is_layout_rtl()) {
mpos.x = get_size().x - mpos.x;
}
if (symbol_lookup_on_click_enabled) {
if (mm->is_command_pressed() && mm->get_button_mask() == 0 && !is_dragging_cursor()) {
symbol_lookup_new_word = get_word_at_pos(mpos);
if (symbol_lookup_new_word != symbol_lookup_word) {
emit_signal(SNAME("symbol_validate"), symbol_lookup_new_word);
}
} else {
set_symbol_lookup_word_as_valid(false);
}
}
}
Ref<InputEventKey> k = p_gui_input;
bool update_code_completion = false;
if (!k.is_valid()) {
TextEdit::gui_input(p_gui_input);
return;
}
/* Ctrl + Hover symbols */
#ifdef OSX_ENABLED
if (k->get_keycode() == KEY_META) {
#else
if (k->get_keycode() == KEY_CTRL) {
#endif
if (symbol_lookup_on_click_enabled) {
if (k->is_pressed() && !is_dragging_cursor()) {
symbol_lookup_new_word = get_word_at_pos(get_local_mouse_pos());
if (symbol_lookup_new_word != symbol_lookup_word) {
emit_signal(SNAME("symbol_validate"), symbol_lookup_new_word);
}
} else {
set_symbol_lookup_word_as_valid(false);
}
}
return;
}
/* If a modifier has been pressed, and nothing else, return. */
if (!k->is_pressed() || k->get_keycode() == KEY_CTRL || k->get_keycode() == KEY_ALT || k->get_keycode() == KEY_SHIFT || k->get_keycode() == KEY_META) {
return;
}
/* Allow unicode handling if: */
/* No Modifiers are pressed (except shift) */
bool allow_unicode_handling = !(k->is_command_pressed() || k->is_ctrl_pressed() || k->is_alt_pressed() || k->is_meta_pressed());
/* AUTO-COMPLETE */
if (code_completion_enabled && k->is_action("ui_text_completion_query", true)) {
request_code_completion(true);
accept_event();
return;
}
if (code_completion_active) {
if (k->is_action("ui_up", true)) {
if (code_completion_current_selected > 0) {
code_completion_current_selected--;
} else {
code_completion_current_selected = code_completion_options.size() - 1;
}
update();
accept_event();
return;
}
if (k->is_action("ui_down", true)) {
if (code_completion_current_selected < code_completion_options.size() - 1) {
code_completion_current_selected++;
} else {
code_completion_current_selected = 0;
}
update();
accept_event();
return;
}
if (k->is_action("ui_page_up", true)) {
code_completion_current_selected = MAX(0, code_completion_current_selected - code_completion_max_lines);
update();
accept_event();
return;
}
if (k->is_action("ui_page_down", true)) {
code_completion_current_selected = MIN(code_completion_options.size() - 1, code_completion_current_selected + code_completion_max_lines);
update();
accept_event();
return;
}
if (k->is_action("ui_home", true)) {
code_completion_current_selected = 0;
update();
accept_event();
return;
}
if (k->is_action("ui_end", true)) {
code_completion_current_selected = MIN(code_completion_options.size() - 1, code_completion_current_selected + code_completion_max_lines);
update();
accept_event();
return;
}
if (k->is_action("ui_text_completion_replace", true) || k->is_action("ui_text_completion_accept", true)) {
confirm_code_completion(k->is_action("ui_text_completion_replace", true));
accept_event();
return;
}
if (k->is_action("ui_cancel", true)) {
cancel_code_completion();
accept_event();
return;
}
if (k->is_action("ui_text_backspace", true)) {
backspace();
_filter_code_completion_candidates_impl();
accept_event();
return;
}
if (k->is_action("ui_left", true) || k->is_action("ui_right", true)) {
update_code_completion = true;
} else {
update_code_completion = (allow_unicode_handling && k->get_unicode() >= 32);
}
if (!update_code_completion) {
cancel_code_completion();
}
}
/* MISC */
if (!code_hint.is_empty() && k->is_action("ui_cancel", true)) {
set_code_hint("");
accept_event();
return;
}
if (allow_unicode_handling && k->get_unicode() == ')') {
set_code_hint("");
}
/* Indentation */
if (k->is_action("ui_text_indent", true)) {
do_indent();
accept_event();
return;
}
if (k->is_action("ui_text_dedent", true)) {
do_unindent();
accept_event();
return;
}
// Override new line actions, for auto indent
if (k->is_action("ui_text_newline_above", true)) {
_new_line(false, true);
accept_event();
return;
}
if (k->is_action("ui_text_newline_blank", true)) {
_new_line(false);
accept_event();
return;
}
if (k->is_action("ui_text_newline", true)) {
_new_line();
accept_event();
return;
}
/* Remove shift otherwise actions will not match. */
k = k->duplicate();
k->set_shift_pressed(false);
if (k->is_action("ui_text_caret_up", true) ||
k->is_action("ui_text_caret_down", true) ||
k->is_action("ui_text_caret_line_start", true) ||
k->is_action("ui_text_caret_line_end", true) ||
k->is_action("ui_text_caret_page_up", true) ||
k->is_action("ui_text_caret_page_down", true)) {
set_code_hint("");
}
TextEdit::gui_input(p_gui_input);
if (update_code_completion) {
_filter_code_completion_candidates_impl();
}
}
/* General overrides */
Control::CursorShape CodeEdit::get_cursor_shape(const Point2 &p_pos) const {
if (symbol_lookup_word != String()) {
return CURSOR_POINTING_HAND;
}
if ((code_completion_active && code_completion_rect.has_point(p_pos)) || (!is_editable() && (!is_selecting_enabled() || get_line_count() == 0))) {
return CURSOR_ARROW;
}
Point2i pos = get_line_column_at_pos(p_pos);
int line = pos.y;
int col = pos.x;
if (is_line_folded(line)) {
int wrap_index = get_line_wrap_index_at_column(line, col);
if (wrap_index == get_line_wrap_count(line)) {
int eol_icon_width = folded_eol_icon->get_width();
int left_margin = get_total_gutter_width() + eol_icon_width + get_line_width(line, wrap_index) - get_h_scroll();
if (p_pos.x > left_margin && p_pos.x <= left_margin + eol_icon_width + 3) {
return CURSOR_POINTING_HAND;
}
}
}
return TextEdit::get_cursor_shape(p_pos);
}
/* Text manipulation */
// Overridable actions
void CodeEdit::_handle_unicode_input_internal(const uint32_t p_unicode) {
bool had_selection = has_selection();
if (had_selection) {
begin_complex_operation();
delete_selection();
}
// Remove the old character if in overtype mode and no selection.
if (is_overtype_mode_enabled() && !had_selection) {
begin_complex_operation();
/* Make sure we don't try and remove empty space. */
if (get_caret_column() < get_line(get_caret_line()).length()) {
remove_text(get_caret_line(), get_caret_column(), get_caret_line(), get_caret_column() + 1);
}
}
const char32_t chr[2] = { (char32_t)p_unicode, 0 };
if (auto_brace_completion_enabled) {
int cl = get_caret_line();
int cc = get_caret_column();
int caret_move_offset = 1;
int post_brace_pair = cc < get_line(cl).length() ? _get_auto_brace_pair_close_at_pos(cl, cc) : -1;
if (has_string_delimiter(chr) && cc > 0 && _is_char(get_line(cl)[cc - 1]) && post_brace_pair == -1) {
insert_text_at_caret(chr);
} else if (cc < get_line(cl).length() && _is_char(get_line(cl)[cc])) {
insert_text_at_caret(chr);
} else if (post_brace_pair != -1 && auto_brace_completion_pairs[post_brace_pair].close_key[0] == chr[0]) {
caret_move_offset = auto_brace_completion_pairs[post_brace_pair].close_key.length();
} else if (is_in_comment(cl, cc) != -1 || (is_in_string(cl, cc) != -1 && has_string_delimiter(chr))) {
insert_text_at_caret(chr);
} else {
insert_text_at_caret(chr);
int pre_brace_pair = _get_auto_brace_pair_open_at_pos(cl, cc + 1);
if (pre_brace_pair != -1) {
insert_text_at_caret(auto_brace_completion_pairs[pre_brace_pair].close_key);
}
}
set_caret_column(cc + caret_move_offset);
} else {
insert_text_at_caret(chr);
}
if ((is_overtype_mode_enabled() && !had_selection) || (had_selection)) {
end_complex_operation();
}
}
void CodeEdit::_backspace_internal() {
if (!is_editable()) {
return;
}
int cc = get_caret_column();
int cl = get_caret_line();
if (cc == 0 && cl == 0) {
return;
}
if (has_selection()) {
delete_selection();
return;
}
if (cl > 0 && _is_line_hidden(cl - 1)) {
unfold_line(get_caret_line() - 1);
}
int prev_line = cc ? cl : cl - 1;
int prev_column = cc ? (cc - 1) : (get_line(cl - 1).length());
merge_gutters(prev_line, cl);
if (auto_brace_completion_enabled && cc > 0) {
int idx = _get_auto_brace_pair_open_at_pos(cl, cc);
if (idx != -1) {
prev_column = cc - auto_brace_completion_pairs[idx].open_key.length();
if (_get_auto_brace_pair_close_at_pos(cl, cc) == idx) {
remove_text(prev_line, prev_column, cl, cc + auto_brace_completion_pairs[idx].close_key.length());
} else {
remove_text(prev_line, prev_column, cl, cc);
}
set_caret_line(prev_line, false, true);
set_caret_column(prev_column);
return;
}
}
// For space indentation we need to do a simple unindent if there are no chars to the left, acting in the
// same way as tabs.
if (indent_using_spaces && cc != 0) {
if (get_first_non_whitespace_column(cl) >= cc) {
prev_column = cc - _calculate_spaces_till_next_left_indent(cc);
prev_line = cl;
}
}
remove_text(prev_line, prev_column, cl, cc);
set_caret_line(prev_line, false, true);
set_caret_column(prev_column);
}
/* Indent management */
void CodeEdit::set_indent_size(const int p_size) {
ERR_FAIL_COND_MSG(p_size <= 0, "Indend size must be greater than 0.");
if (indent_size == p_size) {
return;
}
indent_size = p_size;
if (indent_using_spaces) {
indent_text = String(" ").repeat(p_size);
} else {
indent_text = "\t";
}
set_tab_size(p_size);
}
int CodeEdit::get_indent_size() const {
return indent_size;
}
void CodeEdit::set_indent_using_spaces(const bool p_use_spaces) {
indent_using_spaces = p_use_spaces;
if (indent_using_spaces) {
indent_text = String(" ").repeat(indent_size);
} else {
indent_text = "\t";
}
}
bool CodeEdit::is_indent_using_spaces() const {
return indent_using_spaces;
}
void CodeEdit::set_auto_indent_enabled(bool p_enabled) {
auto_indent = p_enabled;
}
bool CodeEdit::is_auto_indent_enabled() const {
return auto_indent;
}
void CodeEdit::set_auto_indent_prefixes(const TypedArray<String> &p_prefixes) {
auto_indent_prefixes.clear();
for (int i = 0; i < p_prefixes.size(); i++) {
const String prefix = p_prefixes[i];
auto_indent_prefixes.insert(prefix[0]);
}
}
TypedArray<String> CodeEdit::get_auto_indent_prefixes() const {
TypedArray<String> prefixes;
for (const Set<char32_t>::Element *E = auto_indent_prefixes.front(); E; E = E->next()) {
prefixes.push_back(String::chr(E->get()));
}
return prefixes;
}
void CodeEdit::do_indent() {
if (!is_editable()) {
return;
}
if (has_selection()) {
indent_lines();
return;
}
if (!indent_using_spaces) {
insert_text_at_caret("\t");
return;
}
int spaces_to_add = _calculate_spaces_till_next_right_indent(get_caret_column());
if (spaces_to_add > 0) {
insert_text_at_caret(String(" ").repeat(spaces_to_add));
}
}
void CodeEdit::indent_lines() {
if (!is_editable()) {
return;
}
begin_complex_operation();
/* This value informs us by how much we changed selection position by indenting right. */
/* Default is 1 for tab indentation. */
int selection_offset = 1;
int start_line = get_caret_line();
int end_line = start_line;
if (has_selection()) {
start_line = get_selection_from_line();
end_line = get_selection_to_line();
/* Ignore the last line if the selection is not past the first column. */
if (get_selection_to_column() == 0) {
selection_offset = 0;
end_line--;
}
}
for (int i = start_line; i <= end_line; i++) {
const String line_text = get_line(i);
if (line_text.size() == 0 && has_selection()) {
continue;
}
if (!indent_using_spaces) {
set_line(i, '\t' + line_text);
continue;
}
/* We don't really care where selection is - we just need to know indentation level at the beginning of the line. */
/* Since we will add this many spaces, we want to move the whole selection and caret by this much. */
int spaces_to_add = _calculate_spaces_till_next_right_indent(get_first_non_whitespace_column(i));
set_line(i, String(" ").repeat(spaces_to_add) + line_text);
selection_offset = spaces_to_add;
}
/* Fix selection and caret being off after shifting selection right.*/
if (has_selection()) {
select(start_line, get_selection_from_column() + selection_offset, get_selection_to_line(), get_selection_to_column() + selection_offset);
}
set_caret_column(get_caret_column() + selection_offset, false);
end_complex_operation();
}
void CodeEdit::do_unindent() {
if (!is_editable()) {
return;
}
int cc = get_caret_column();
if (has_selection() || cc <= 0) {
unindent_lines();
return;
}
int cl = get_caret_line();
const String &line = get_line(cl);
if (line[cc - 1] == '\t') {
remove_text(cl, cc - 1, cl, cc);
set_caret_column(MAX(0, cc - 1));
return;
}
if (line[cc - 1] != ' ') {
return;
}
int spaces_to_remove = _calculate_spaces_till_next_left_indent(cc);
if (spaces_to_remove > 0) {
for (int i = 1; i <= spaces_to_remove; i++) {
if (line[cc - i] != ' ') {
spaces_to_remove = i - 1;
break;
}
}
remove_text(cl, cc - spaces_to_remove, cl, cc);
set_caret_column(MAX(0, cc - spaces_to_remove));
}
}
void CodeEdit::unindent_lines() {
if (!is_editable()) {
return;
}
begin_complex_operation();
/* Moving caret and selection after unindenting can get tricky because */
/* changing content of line can move caret and selection on its own (if new line ends before previous position of either), */
/* therefore we just remember initial values and at the end of the operation offset them by number of removed characters. */
int removed_characters = 0;
int initial_selection_end_column = 0;
int initial_cursor_column = get_caret_column();
int start_line = get_caret_line();
int end_line = start_line;
if (has_selection()) {
start_line = get_selection_from_line();
end_line = get_selection_to_line();
/* Ignore the last line if the selection is not past the first column. */
initial_selection_end_column = get_selection_to_column();
if (initial_selection_end_column == 0) {
end_line--;
}
}
bool first_line_edited = false;
bool last_line_edited = false;
for (int i = start_line; i <= end_line; i++) {
String line_text = get_line(i);
if (line_text.begins_with("\t")) {
line_text = line_text.substr(1, line_text.length());
set_line(i, line_text);
removed_characters = 1;
first_line_edited = (i == start_line) ? true : first_line_edited;
last_line_edited = (i == end_line) ? true : last_line_edited;
continue;
}
if (line_text.begins_with(" ")) {
/* When unindenting we aim to remove spaces before line that has selection no matter what is selected, */
/* Here we remove only enough spaces to align text to nearest full multiple of indentation_size. */
/* In case where selection begins at the start of indentation_size multiple we remove whole indentation level. */
int spaces_to_remove = _calculate_spaces_till_next_left_indent(get_first_non_whitespace_column(i));
line_text = line_text.substr(spaces_to_remove, line_text.length());
set_line(i, line_text);
removed_characters = spaces_to_remove;
first_line_edited = (i == start_line) ? true : first_line_edited;
last_line_edited = (i == end_line) ? true : last_line_edited;
}
}
if (has_selection()) {
/* Fix selection being off by one on the first line. */
if (first_line_edited) {
select(get_selection_from_line(), get_selection_from_column() - removed_characters, get_selection_to_line(), initial_selection_end_column);
}
/* Fix selection being off by one on the last line. */
if (last_line_edited) {
select(get_selection_from_line(), get_selection_from_column(), get_selection_to_line(), initial_selection_end_column - removed_characters);
}
}
set_caret_column(initial_cursor_column - removed_characters, false);
end_complex_operation();
}
int CodeEdit::_calculate_spaces_till_next_left_indent(int p_column) const {
int spaces_till_indent = p_column % indent_size;
if (spaces_till_indent == 0) {
spaces_till_indent = indent_size;
}
return spaces_till_indent;
}
int CodeEdit::_calculate_spaces_till_next_right_indent(int p_column) const {
return indent_size - p_column % indent_size;
}
void CodeEdit::_new_line(bool p_split_current_line, bool p_above) {
if (!is_editable()) {
return;
}
const int cc = get_caret_column();
const int cl = get_caret_line();
const String line = get_line(cl);
String ins = "\n";
/* Append current indentation. */
int space_count = 0;
int line_col = 0;
for (; line_col < cc; line_col++) {
if (line[line_col] == '\t') {
ins += indent_text;
space_count = 0;
continue;
}
if (line[line_col] == ' ') {
space_count++;
if (space_count == indent_size) {
ins += indent_text;
space_count = 0;
}
continue;
}
break;
}
if (is_line_folded(cl)) {
unfold_line(cl);
}
/* Indent once again if the previous line needs it, ie ':'. */
/* Then add an addition new line for any closing pairs aka '()'. */
/* Skip this in comments or if we are going above. */
bool brace_indent = false;
if (auto_indent && !p_above && cc > 0 && is_in_comment(cl) == -1) {
bool should_indent = false;
char32_t indent_char = ' ';
for (; line_col < cc; line_col++) {
char32_t c = line[line_col];
if (auto_indent_prefixes.has(c)) {
should_indent = true;
indent_char = c;
continue;
}
/* Make sure this is the last char, trailing whitespace or comments are okay. */
if (should_indent && (!_is_whitespace(c) && is_in_comment(cl, cc) == -1)) {
should_indent = false;
}
}
if (should_indent) {
ins += indent_text;
String closing_pair = get_auto_brace_completion_close_key(String::chr(indent_char));
if (!closing_pair.is_empty() && line.find(closing_pair, cc) == cc) {
/* No need to move the brace below if we are not taking the text with us. */
if (p_split_current_line) {
brace_indent = true;
ins += "\n" + ins.substr(indent_text.size(), ins.length() - 2);
} else {
brace_indent = false;
ins = "\n" + ins.substr(indent_text.size(), ins.length() - 2);
}
}
}
}
begin_complex_operation();
bool first_line = false;
if (!p_split_current_line) {
if (p_above) {
if (cl > 0) {
set_caret_line(cl - 1, false);
set_caret_column(get_line(get_caret_line()).length());
} else {
set_caret_column(0);
first_line = true;
}
} else {
set_caret_column(line.length());
}
}
insert_text_at_caret(ins);
if (first_line) {
set_caret_line(0);
} else if (brace_indent) {
set_caret_line(get_caret_line() - 1, false);
set_caret_column(get_line(get_caret_line()).length());
}
end_complex_operation();
}
/* Auto brace completion */
void CodeEdit::set_auto_brace_completion_enabled(bool p_enabled) {
auto_brace_completion_enabled = p_enabled;
}
bool CodeEdit::is_auto_brace_completion_enabled() const {
return auto_brace_completion_enabled;
}
void CodeEdit::set_highlight_matching_braces_enabled(bool p_enabled) {
highlight_matching_braces_enabled = p_enabled;
update();
}
bool CodeEdit::is_highlight_matching_braces_enabled() const {
return highlight_matching_braces_enabled;
}
void CodeEdit::add_auto_brace_completion_pair(const String &p_open_key, const String &p_close_key) {
ERR_FAIL_COND_MSG(p_open_key.is_empty(), "auto brace completion open key cannot be empty");
ERR_FAIL_COND_MSG(p_close_key.is_empty(), "auto brace completion close key cannot be empty");
for (int i = 0; i < p_open_key.length(); i++) {
ERR_FAIL_COND_MSG(!is_symbol(p_open_key[i]), "auto brace completion open key must be a symbol");
}
for (int i = 0; i < p_close_key.length(); i++) {
ERR_FAIL_COND_MSG(!is_symbol(p_close_key[i]), "auto brace completion close key must be a symbol");
}
int at = 0;
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
ERR_FAIL_COND_MSG(auto_brace_completion_pairs[i].open_key == p_open_key, "auto brace completion open key '" + p_open_key + "' already exists.");
if (p_open_key.length() < auto_brace_completion_pairs[i].open_key.length()) {
at++;
}
}
BracePair brace_pair;
brace_pair.open_key = p_open_key;
brace_pair.close_key = p_close_key;
auto_brace_completion_pairs.insert(at, brace_pair);
}
void CodeEdit::set_auto_brace_completion_pairs(const Dictionary &p_auto_brace_completion_pairs) {
auto_brace_completion_pairs.clear();
Array keys = p_auto_brace_completion_pairs.keys();
for (int i = 0; i < keys.size(); i++) {
add_auto_brace_completion_pair(keys[i], p_auto_brace_completion_pairs[keys[i]]);
}
}
Dictionary CodeEdit::get_auto_brace_completion_pairs() const {
Dictionary brace_pairs;
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
brace_pairs[auto_brace_completion_pairs[i].open_key] = auto_brace_completion_pairs[i].close_key;
}
return brace_pairs;
}
bool CodeEdit::has_auto_brace_completion_open_key(const String &p_open_key) const {
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
if (auto_brace_completion_pairs[i].open_key == p_open_key) {
return true;
}
}
return false;
}
bool CodeEdit::has_auto_brace_completion_close_key(const String &p_close_key) const {
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
if (auto_brace_completion_pairs[i].close_key == p_close_key) {
return true;
}
}
return false;
}
String CodeEdit::get_auto_brace_completion_close_key(const String &p_open_key) const {
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
if (auto_brace_completion_pairs[i].open_key == p_open_key) {
return auto_brace_completion_pairs[i].close_key;
}
}
return String();
}
/* Main Gutter */
void CodeEdit::_update_draw_main_gutter() {
set_gutter_draw(main_gutter, draw_breakpoints || draw_bookmarks || draw_executing_lines);
}
void CodeEdit::set_draw_breakpoints_gutter(bool p_draw) {
draw_breakpoints = p_draw;
set_gutter_clickable(main_gutter, p_draw);
_update_draw_main_gutter();
}
bool CodeEdit::is_drawing_breakpoints_gutter() const {
return draw_breakpoints;
}
void CodeEdit::set_draw_bookmarks_gutter(bool p_draw) {
draw_bookmarks = p_draw;
_update_draw_main_gutter();
}
bool CodeEdit::is_drawing_bookmarks_gutter() const {
return draw_bookmarks;
}
void CodeEdit::set_draw_executing_lines_gutter(bool p_draw) {
draw_executing_lines = p_draw;
_update_draw_main_gutter();
}
bool CodeEdit::is_drawing_executing_lines_gutter() const {
return draw_executing_lines;
}
void CodeEdit::_main_gutter_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
if (draw_breakpoints) {
bool hovering = p_region.has_point(get_local_mouse_pos());
bool breakpointed = is_line_breakpointed(p_line);
if (breakpointed || (hovering && !is_dragging_cursor())) {
int padding = p_region.size.x / 6;
Rect2 icon_region = p_region;
icon_region.position += Point2(padding, padding);
icon_region.size -= Point2(padding, padding) * 2;
// Darken icon when hovering & not yet breakpointed.
Color use_color = hovering && !breakpointed ? breakpoint_color.darkened(0.4) : breakpoint_color;
breakpoint_icon->draw_rect(get_canvas_item(), icon_region, false, use_color);
}
}
if (draw_bookmarks && is_line_bookmarked(p_line)) {
int horizontal_padding = p_region.size.x / 2;
int vertical_padding = p_region.size.y / 4;
Rect2 bookmark_region = p_region;
bookmark_region.position += Point2(horizontal_padding, 0);
bookmark_region.size -= Point2(horizontal_padding * 1.1, vertical_padding);
bookmark_icon->draw_rect(get_canvas_item(), bookmark_region, false, bookmark_color);
}
if (draw_executing_lines && is_line_executing(p_line)) {
int horizontal_padding = p_region.size.x / 10;
int vertical_padding = p_region.size.y / 4;
Rect2 executing_line_region = p_region;
executing_line_region.position += Point2(horizontal_padding, vertical_padding);
executing_line_region.size -= Point2(horizontal_padding, vertical_padding) * 2;
executing_line_icon->draw_rect(get_canvas_item(), executing_line_region, false, executing_line_color);
}
}
// Breakpoints
void CodeEdit::set_line_as_breakpoint(int p_line, bool p_breakpointed) {
ERR_FAIL_INDEX(p_line, get_line_count());
int mask = get_line_gutter_metadata(p_line, main_gutter);
set_line_gutter_metadata(p_line, main_gutter, p_breakpointed ? mask | MAIN_GUTTER_BREAKPOINT : mask & ~MAIN_GUTTER_BREAKPOINT);
if (p_breakpointed) {
breakpointed_lines[p_line] = true;
} else if (breakpointed_lines.has(p_line)) {
breakpointed_lines.erase(p_line);
}
emit_signal(SNAME("breakpoint_toggled"), p_line);
update();
}
bool CodeEdit::is_line_breakpointed(int p_line) const {
return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_BREAKPOINT;
}
void CodeEdit::clear_breakpointed_lines() {
for (int i = 0; i < get_line_count(); i++) {
if (is_line_breakpointed(i)) {
set_line_as_breakpoint(i, false);
}
}
}
Array CodeEdit::get_breakpointed_lines() const {
Array ret;
for (int i = 0; i < get_line_count(); i++) {
if (is_line_breakpointed(i)) {
ret.append(i);
}
}
return ret;
}
// Bookmarks
void CodeEdit::set_line_as_bookmarked(int p_line, bool p_bookmarked) {
int mask = get_line_gutter_metadata(p_line, main_gutter);
set_line_gutter_metadata(p_line, main_gutter, p_bookmarked ? mask | MAIN_GUTTER_BOOKMARK : mask & ~MAIN_GUTTER_BOOKMARK);
update();
}
bool CodeEdit::is_line_bookmarked(int p_line) const {
return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_BOOKMARK;
}
void CodeEdit::clear_bookmarked_lines() {
for (int i = 0; i < get_line_count(); i++) {
if (is_line_bookmarked(i)) {
set_line_as_bookmarked(i, false);
}
}
}
Array CodeEdit::get_bookmarked_lines() const {
Array ret;
for (int i = 0; i < get_line_count(); i++) {
if (is_line_bookmarked(i)) {
ret.append(i);
}
}
return ret;
}
// executing lines
void CodeEdit::set_line_as_executing(int p_line, bool p_executing) {
int mask = get_line_gutter_metadata(p_line, main_gutter);
set_line_gutter_metadata(p_line, main_gutter, p_executing ? mask | MAIN_GUTTER_EXECUTING : mask & ~MAIN_GUTTER_EXECUTING);
update();
}
bool CodeEdit::is_line_executing(int p_line) const {
return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_EXECUTING;
}
void CodeEdit::clear_executing_lines() {
for (int i = 0; i < get_line_count(); i++) {
if (is_line_executing(i)) {
set_line_as_executing(i, false);
}
}
}
Array CodeEdit::get_executing_lines() const {
Array ret;
for (int i = 0; i < get_line_count(); i++) {
if (is_line_executing(i)) {
ret.append(i);
}
}
return ret;
}
/* Line numbers */
void CodeEdit::set_draw_line_numbers(bool p_draw) {
set_gutter_draw(line_number_gutter, p_draw);
}
bool CodeEdit::is_draw_line_numbers_enabled() const {
return is_gutter_drawn(line_number_gutter);
}
void CodeEdit::set_line_numbers_zero_padded(bool p_zero_padded) {
p_zero_padded ? line_number_padding = "0" : line_number_padding = " ";
update();
}
bool CodeEdit::is_line_numbers_zero_padded() const {
return line_number_padding == "0";
}
void CodeEdit::_line_number_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
String fc = TS->format_number(String::num(p_line + 1).lpad(line_number_digits, line_number_padding));
Ref<TextLine> tl;
tl.instantiate();
tl->add_string(fc, font, font_size);
int yofs = p_region.position.y + (get_line_height() - tl->get_size().y) / 2;
Color number_color = get_line_gutter_item_color(p_line, line_number_gutter);
if (number_color == Color(1, 1, 1)) {
number_color = line_number_color;
}
tl->draw(get_canvas_item(), Point2(p_region.position.x, yofs), number_color);
}
/* Fold Gutter */
void CodeEdit::set_draw_fold_gutter(bool p_draw) {
set_gutter_draw(fold_gutter, p_draw);
}
bool CodeEdit::is_drawing_fold_gutter() const {
return is_gutter_drawn(fold_gutter);
}
void CodeEdit::_fold_gutter_draw_callback(int p_line, int p_gutter, Rect2 p_region) {
if (!can_fold_line(p_line) && !is_line_folded(p_line)) {
set_line_gutter_clickable(p_line, fold_gutter, false);
return;
}
set_line_gutter_clickable(p_line, fold_gutter, true);
int horizontal_padding = p_region.size.x / 10;
int vertical_padding = p_region.size.y / 6;
p_region.position += Point2(horizontal_padding, vertical_padding);
p_region.size -= Point2(horizontal_padding, vertical_padding) * 2;
if (can_fold_line(p_line)) {
can_fold_icon->draw_rect(get_canvas_item(), p_region, false, folding_color);
return;
}
folded_icon->draw_rect(get_canvas_item(), p_region, false, folding_color);
}
/* Line Folding */
void CodeEdit::set_line_folding_enabled(bool p_enabled) {
line_folding_enabled = p_enabled;
_set_hiding_enabled(p_enabled);
}
bool CodeEdit::is_line_folding_enabled() const {
return line_folding_enabled;
}
bool CodeEdit::can_fold_line(int p_line) const {
ERR_FAIL_INDEX_V(p_line, get_line_count(), false);
if (!line_folding_enabled) {
return false;
}
if (p_line + 1 >= get_line_count() || get_line(p_line).strip_edges().size() == 0) {
return false;
}
if (_is_line_hidden(p_line) || is_line_folded(p_line)) {
return false;
}
/* Check for full multiline line or block strings / comments. */
int in_comment = is_in_comment(p_line);
int in_string = (in_comment == -1) ? is_in_string(p_line) : -1;
if (in_string != -1 || in_comment != -1) {
if (get_delimiter_start_position(p_line, get_line(p_line).size() - 1).y != p_line) {
return false;
}
int delimter_end_line = get_delimiter_end_position(p_line, get_line(p_line).size() - 1).y;
/* No end line, therefore we have a multiline region over the rest of the file. */
if (delimter_end_line == -1) {
return true;
}
/* End line is the same therefore we have a block. */
if (delimter_end_line == p_line) {
/* Check we are the start of the block. */
if (p_line - 1 >= 0) {
if ((in_string != -1 && is_in_string(p_line - 1) != -1) || (in_comment != -1 && is_in_comment(p_line - 1) != -1)) {
return false;
}
}
/* Check it continues for at least one line. */
return ((in_string != -1 && is_in_string(p_line + 1) != -1) || (in_comment != -1 && is_in_comment(p_line + 1) != -1));
}
return ((in_string != -1 && is_in_string(delimter_end_line) != -1) || (in_comment != -1 && is_in_comment(delimter_end_line) != -1));
}
/* Otherwise check indent levels. */
int start_indent = get_indent_level(p_line);
for (int i = p_line + 1; i < get_line_count(); i++) {
if (is_in_string(i) != -1 || is_in_comment(i) != -1 || get_line(i).strip_edges().size() == 0) {
continue;
}
return (get_indent_level(i) > start_indent);
}
return false;
}
void CodeEdit::fold_line(int p_line) {
ERR_FAIL_INDEX(p_line, get_line_count());
if (!is_line_folding_enabled() || !can_fold_line(p_line)) {
return;
}
/* Find the last line to be hidden. */
const int line_count = get_line_count() - 1;
int end_line = line_count;
int in_comment = is_in_comment(p_line);
int in_string = (in_comment == -1) ? is_in_string(p_line) : -1;
if (in_string != -1 || in_comment != -1) {
end_line = get_delimiter_end_position(p_line, get_line(p_line).size() - 1).y;
/* End line is the same therefore we have a block of single line delimiters. */
if (end_line == p_line) {
for (int i = p_line + 1; i <= line_count; i++) {
if (i == line_count) {
end_line = line_count;
break;
}
if ((in_string != -1 && is_in_string(i) == -1) || (in_comment != -1 && is_in_comment(i) == -1)) {
end_line = i - 1;
break;
}
}
}
} else {
int start_indent = get_indent_level(p_line);
for (int i = p_line + 1; i <= line_count; i++) {
if (get_line(p_line).strip_edges().size() == 0 || is_in_string(i) != -1 || is_in_comment(i) != -1) {
end_line = i;
continue;
}
if (i == line_count) {
/* Do not fold empty last line of script if any */
end_line = i;
if (get_line(i).strip_edges().size() == 0) {
end_line--;
}
break;
}
if ((get_indent_level(i) <= start_indent && get_line(i).strip_edges().size() != 0)) {
/* Keep an empty line unfolded if any */
end_line = i - 1;
if (get_line(i - 1).strip_edges().size() == 0 && i - 2 > p_line) {
end_line = i - 2;
}
break;
}
}
}
for (int i = p_line + 1; i <= end_line; i++) {
_set_line_as_hidden(i, true);
}
/* Fix selection. */
if (has_selection()) {
if (_is_line_hidden(get_selection_from_line()) && _is_line_hidden(get_selection_to_line())) {
deselect();
} else if (_is_line_hidden(get_selection_from_line())) {
select(p_line, 9999, get_selection_to_line(), get_selection_to_column());
} else if (_is_line_hidden(get_selection_to_line())) {
select(get_selection_from_line(), get_selection_from_column(), p_line, 9999);
}
}
/* Reset caret. */
if (_is_line_hidden(get_caret_line())) {
set_caret_line(p_line, false, false);
set_caret_column(get_line(p_line).length(), false);
}
update();
}
void CodeEdit::unfold_line(int p_line) {
ERR_FAIL_INDEX(p_line, get_line_count());
if (!is_line_folded(p_line) && !_is_line_hidden(p_line)) {
return;
}
int fold_start = p_line;
for (; fold_start > 0; fold_start--) {
if (is_line_folded(fold_start)) {
break;
}
}
fold_start = is_line_folded(fold_start) ? fold_start : p_line;
for (int i = fold_start + 1; i < get_line_count(); i++) {
if (!_is_line_hidden(i)) {
break;
}
_set_line_as_hidden(i, false);
}
update();
}
void CodeEdit::fold_all_lines() {
for (int i = 0; i < get_line_count(); i++) {
fold_line(i);
}
update();
}
void CodeEdit::unfold_all_lines() {
_unhide_all_lines();
}
void CodeEdit::toggle_foldable_line(int p_line) {
ERR_FAIL_INDEX(p_line, get_line_count());
if (is_line_folded(p_line)) {
unfold_line(p_line);
return;
}
fold_line(p_line);
}
bool CodeEdit::is_line_folded(int p_line) const {
ERR_FAIL_INDEX_V(p_line, get_line_count(), false);
return p_line + 1 < get_line_count() && !_is_line_hidden(p_line) && _is_line_hidden(p_line + 1);
}
TypedArray<int> CodeEdit::get_folded_lines() const {
TypedArray<int> folded_lines;
for (int i = 0; i < get_line_count(); i++) {
if (is_line_folded(i)) {
folded_lines.push_back(i);
}
}
return folded_lines;
}
/* Delimiters */
// Strings
void CodeEdit::add_string_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only) {
_add_delimiter(p_start_key, p_end_key, p_line_only, TYPE_STRING);
}
void CodeEdit::remove_string_delimiter(const String &p_start_key) {
_remove_delimiter(p_start_key, TYPE_STRING);
}
bool CodeEdit::has_string_delimiter(const String &p_start_key) const {
return _has_delimiter(p_start_key, TYPE_STRING);
}
void CodeEdit::set_string_delimiters(const TypedArray<String> &p_string_delimiters) {
_set_delimiters(p_string_delimiters, TYPE_STRING);
}
void CodeEdit::clear_string_delimiters() {
_clear_delimiters(TYPE_STRING);
}
TypedArray<String> CodeEdit::get_string_delimiters() const {
return _get_delimiters(TYPE_STRING);
}
int CodeEdit::is_in_string(int p_line, int p_column) const {
return _is_in_delimiter(p_line, p_column, TYPE_STRING);
}
// Comments
void CodeEdit::add_comment_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only) {
_add_delimiter(p_start_key, p_end_key, p_line_only, TYPE_COMMENT);
}
void CodeEdit::remove_comment_delimiter(const String &p_start_key) {
_remove_delimiter(p_start_key, TYPE_COMMENT);
}
bool CodeEdit::has_comment_delimiter(const String &p_start_key) const {
return _has_delimiter(p_start_key, TYPE_COMMENT);
}
void CodeEdit::set_comment_delimiters(const TypedArray<String> &p_comment_delimiters) {
_set_delimiters(p_comment_delimiters, TYPE_COMMENT);
}
void CodeEdit::clear_comment_delimiters() {
_clear_delimiters(TYPE_COMMENT);
}
TypedArray<String> CodeEdit::get_comment_delimiters() const {
return _get_delimiters(TYPE_COMMENT);
}
int CodeEdit::is_in_comment(int p_line, int p_column) const {
return _is_in_delimiter(p_line, p_column, TYPE_COMMENT);
}
String CodeEdit::get_delimiter_start_key(int p_delimiter_idx) const {
ERR_FAIL_INDEX_V(p_delimiter_idx, delimiters.size(), "");
return delimiters[p_delimiter_idx].start_key;
}
String CodeEdit::get_delimiter_end_key(int p_delimiter_idx) const {
ERR_FAIL_INDEX_V(p_delimiter_idx, delimiters.size(), "");
return delimiters[p_delimiter_idx].end_key;
}
Point2 CodeEdit::get_delimiter_start_position(int p_line, int p_column) const {
if (delimiters.size() == 0) {
return Point2(-1, -1);
}
ERR_FAIL_INDEX_V(p_line, get_line_count(), Point2(-1, -1));
ERR_FAIL_COND_V(p_column - 1 > get_line(p_line).size(), Point2(-1, -1));
Point2 start_position;
start_position.y = -1;
start_position.x = -1;
bool in_region = ((p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value()) != -1;
/* Check the keys for this line. */
for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) {
if (E->key() > p_column) {
break;
}
in_region = E->value() != -1;
start_position.x = in_region ? E->key() : -1;
}
/* Region was found on this line and is not a multiline continuation. */
int line_length = get_line(p_line).length();
if (start_position.x != -1 && line_length > 0 && start_position.x != line_length + 1) {
start_position.y = p_line;
return start_position;
}
/* Not in a region */
if (!in_region) {
return start_position;
}
/* Region starts on a previous line */
for (int i = p_line - 1; i >= 0; i--) {
if (delimiter_cache[i].size() < 1) {
continue;
}
start_position.y = i;
start_position.x = delimiter_cache[i].back()->key();
/* Make sure it's not a multiline continuation. */
line_length = get_line(i).length();
if (line_length > 0 && start_position.x != line_length + 1) {
break;
}
}
return start_position;
}
Point2 CodeEdit::get_delimiter_end_position(int p_line, int p_column) const {
if (delimiters.size() == 0) {
return Point2(-1, -1);
}
ERR_FAIL_INDEX_V(p_line, get_line_count(), Point2(-1, -1));
ERR_FAIL_COND_V(p_column - 1 > get_line(p_line).size(), Point2(-1, -1));
Point2 end_position;
end_position.y = -1;
end_position.x = -1;
int region = (p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value();
/* Check the keys for this line. */
for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) {
end_position.x = (E->value() == -1) ? E->key() : -1;
if (E->key() > p_column) {
break;
}
region = E->value();
}
/* Region was found on this line and is not a multiline continuation. */
if (region != -1 && end_position.x != -1 && (delimiters[region].line_only || end_position.x != get_line(p_line).length() + 1)) {
end_position.y = p_line;
return end_position;
}
/* Not in a region */
if (region == -1) {
end_position.x = -1;
return end_position;
}
/* Region ends on a later line */
for (int i = p_line + 1; i < get_line_count(); i++) {
if (delimiter_cache[i].size() < 1 || delimiter_cache[i].front()->value() != -1) {
continue;
}
end_position.x = delimiter_cache[i].front()->key();
/* Make sure it's not a multiline continuation. */
if (get_line(i).length() > 0 && end_position.x != get_line(i).length() + 1) {
end_position.y = i;
break;
}
end_position.x = -1;
}
return end_position;
}
/* Code hint */
void CodeEdit::set_code_hint(const String &p_hint) {
code_hint = p_hint;
code_hint_xpos = -0xFFFF;
update();
}
void CodeEdit::set_code_hint_draw_below(bool p_below) {
code_hint_draw_below = p_below;
update();
}
/* Code Completion */
void CodeEdit::set_code_completion_enabled(bool p_enable) {
code_completion_enabled = p_enable;
}
bool CodeEdit::is_code_completion_enabled() const {
return code_completion_enabled;
}
void CodeEdit::set_code_completion_prefixes(const TypedArray<String> &p_prefixes) {
code_completion_prefixes.clear();
for (int i = 0; i < p_prefixes.size(); i++) {
const String prefix = p_prefixes[i];
ERR_CONTINUE_MSG(prefix.is_empty(), "Code completion prefix cannot be empty.");
code_completion_prefixes.insert(prefix[0]);
}
}
TypedArray<String> CodeEdit::get_code_completion_prefixes() const {
TypedArray<String> prefixes;
for (const Set<char32_t>::Element *E = code_completion_prefixes.front(); E; E = E->next()) {
prefixes.push_back(String::chr(E->get()));
}
return prefixes;
}
String CodeEdit::get_text_for_code_completion() const {
StringBuilder completion_text;
const int text_size = get_line_count();
for (int i = 0; i < text_size; i++) {
String line = get_line(i);
if (i == get_caret_line()) {
completion_text += line.substr(0, get_caret_column());
/* Not unicode, represents the caret. */
completion_text += String::chr(0xFFFF);
completion_text += line.substr(get_caret_column(), line.size());
} else {
completion_text += line;
}
if (i != text_size - 1) {
completion_text += "\n";
}
}
return completion_text.as_string();
}
void CodeEdit::request_code_completion(bool p_force) {
if (GDVIRTUAL_CALL(_request_code_completion, p_force)) {
return;
}
/* Don't re-query if all existing options are quoted types, eg path, signal. */
bool ignored = code_completion_active && !code_completion_options.is_empty();
if (ignored) {
ScriptCodeCompletionOption::Kind kind = ScriptCodeCompletionOption::KIND_PLAIN_TEXT;
const ScriptCodeCompletionOption *previous_option = nullptr;
for (int i = 0; i < code_completion_options.size(); i++) {
const ScriptCodeCompletionOption &current_option = code_completion_options[i];
if (!previous_option) {
previous_option = &current_option;
kind = current_option.kind;
}
if (previous_option->kind != current_option.kind) {
ignored = false;
break;
}
}
ignored = ignored && (kind == ScriptCodeCompletionOption::KIND_FILE_PATH || kind == ScriptCodeCompletionOption::KIND_NODE_PATH || kind == ScriptCodeCompletionOption::KIND_SIGNAL);
}
if (ignored) {
return;
}
if (p_force) {
emit_signal(SNAME("request_code_completion"));
return;
}
String line = get_line(get_caret_line());
int ofs = CLAMP(get_caret_column(), 0, line.length());
if (ofs > 0 && (is_in_string(get_caret_line(), ofs) != -1 || _is_char(line[ofs - 1]) || code_completion_prefixes.has(line[ofs - 1]))) {
emit_signal(SNAME("request_code_completion"));
} else if (ofs > 1 && line[ofs - 1] == ' ' && code_completion_prefixes.has(line[ofs - 2])) {
emit_signal(SNAME("request_code_completion"));
}
}
void CodeEdit::add_code_completion_option(CodeCompletionKind p_type, const String &p_display_text, const String &p_insert_text, const Color &p_text_color, const RES &p_icon, const Variant &p_value) {
ScriptCodeCompletionOption completion_option;
completion_option.kind = (ScriptCodeCompletionOption::Kind)p_type;
completion_option.display = p_display_text;
completion_option.insert_text = p_insert_text;
completion_option.font_color = p_text_color;
completion_option.icon = p_icon;
completion_option.default_value = p_value;
code_completion_option_submitted.push_back(completion_option);
}
void CodeEdit::update_code_completion_options(bool p_forced) {
code_completion_forced = p_forced;
code_completion_option_sources = code_completion_option_submitted;
code_completion_option_submitted.clear();
_filter_code_completion_candidates_impl();
}
TypedArray<Dictionary> CodeEdit::get_code_completion_options() const {
if (!code_completion_active) {
return TypedArray<Dictionary>();
}
TypedArray<Dictionary> completion_options;
completion_options.resize(code_completion_options.size());
for (int i = 0; i < code_completion_options.size(); i++) {
Dictionary option;
option["kind"] = code_completion_options[i].kind;
option["display_text"] = code_completion_options[i].display;
option["insert_text"] = code_completion_options[i].insert_text;
option["font_color"] = code_completion_options[i].font_color;
option["icon"] = code_completion_options[i].icon;
option["default_value"] = code_completion_options[i].default_value;
completion_options[i] = option;
}
return completion_options;
}
Dictionary CodeEdit::get_code_completion_option(int p_index) const {
if (!code_completion_active) {
return Dictionary();
}
ERR_FAIL_INDEX_V(p_index, code_completion_options.size(), Dictionary());
Dictionary option;
option["kind"] = code_completion_options[p_index].kind;
option["display_text"] = code_completion_options[p_index].display;
option["insert_text"] = code_completion_options[p_index].insert_text;
option["font_color"] = code_completion_options[p_index].font_color;
option["icon"] = code_completion_options[p_index].icon;
option["default_value"] = code_completion_options[p_index].default_value;
return option;
}
int CodeEdit::get_code_completion_selected_index() const {
return (code_completion_active) ? code_completion_current_selected : -1;
}
void CodeEdit::set_code_completion_selected_index(int p_index) {
if (!code_completion_active) {
return;
}
ERR_FAIL_INDEX(p_index, code_completion_options.size());
code_completion_current_selected = p_index;
update();
}
void CodeEdit::confirm_code_completion(bool p_replace) {
if (!is_editable() || !code_completion_active) {
return;
}
if (GDVIRTUAL_CALL(_confirm_code_completion, p_replace)) {
return;
}
begin_complex_operation();
int caret_line = get_caret_line();
const String &insert_text = code_completion_options[code_completion_current_selected].insert_text;
const String &display_text = code_completion_options[code_completion_current_selected].display;
if (p_replace) {
/* Find end of current section */
const String line = get_line(caret_line);
int caret_col = get_caret_column();
int caret_remove_line = caret_line;
bool merge_text = true;
int in_string = is_in_string(caret_line, caret_col);
if (in_string != -1) {
Point2 string_end = get_delimiter_end_position(caret_line, caret_col);
if (string_end.x != -1) {
merge_text = false;
caret_remove_line = string_end.y;
caret_col = string_end.x - 1;
}
}
if (merge_text) {
for (; caret_col < line.length(); caret_col++) {
if (!_is_char(line[caret_col])) {
break;
}
}
}
/* Replace. */
remove_text(caret_line, get_caret_column() - code_completion_base.length(), caret_remove_line, caret_col);
set_caret_column(get_caret_column() - code_completion_base.length(), false);
insert_text_at_caret(insert_text);
} else {
/* Get first non-matching char. */
const String line = get_line(caret_line);
int caret_col = get_caret_column();
int matching_chars = code_completion_base.length();
for (; matching_chars <= insert_text.length(); matching_chars++) {
if (caret_col >= line.length() || line[caret_col] != insert_text[matching_chars]) {
break;
}
caret_col++;
}
/* Remove base completion text. */
remove_text(caret_line, get_caret_column() - code_completion_base.length(), caret_line, get_caret_column());
set_caret_column(get_caret_column() - code_completion_base.length(), false);
/* Merge with text. */
insert_text_at_caret(insert_text.substr(0, code_completion_base.length()));
set_caret_column(caret_col, false);
insert_text_at_caret(insert_text.substr(matching_chars));
}
/* Handle merging of symbols eg strings, brackets. */
const String line = get_line(caret_line);
char32_t next_char = line[get_caret_column()];
char32_t last_completion_char = insert_text[insert_text.length() - 1];
char32_t last_completion_char_display = display_text[display_text.length() - 1];
int pre_brace_pair = get_caret_column() > 0 ? _get_auto_brace_pair_open_at_pos(caret_line, get_caret_column()) : -1;
int post_brace_pair = get_caret_column() < get_line(caret_line).length() ? _get_auto_brace_pair_close_at_pos(caret_line, get_caret_column()) : -1;
if (post_brace_pair != -1 && (last_completion_char == next_char || last_completion_char_display == next_char)) {
remove_text(caret_line, get_caret_column(), caret_line, get_caret_column() + 1);
}
if (pre_brace_pair != -1 && pre_brace_pair != post_brace_pair && (last_completion_char == next_char || last_completion_char_display == next_char)) {
remove_text(caret_line, get_caret_column(), caret_line, get_caret_column() + 1);
} else if (auto_brace_completion_enabled && pre_brace_pair != -1 && post_brace_pair == -1) {
insert_text_at_caret(auto_brace_completion_pairs[pre_brace_pair].close_key);
set_caret_column(get_caret_column() - auto_brace_completion_pairs[pre_brace_pair].close_key.length());
}
if (pre_brace_pair == -1 && post_brace_pair == -1 && get_caret_column() > 0 && get_caret_column() < get_line(caret_line).length()) {
pre_brace_pair = _get_auto_brace_pair_open_at_pos(caret_line, get_caret_column() + 1);
if (pre_brace_pair != -1 && pre_brace_pair == _get_auto_brace_pair_close_at_pos(caret_line, get_caret_column() - 1)) {
remove_text(caret_line, get_caret_column() - 2, caret_line, get_caret_column());
if (_get_auto_brace_pair_close_at_pos(caret_line, get_caret_column() - 1) != pre_brace_pair) {
set_caret_column(get_caret_column() - 1);
}
}
}
end_complex_operation();
cancel_code_completion();
if (code_completion_prefixes.has(last_completion_char)) {
request_code_completion();
}
}
void CodeEdit::cancel_code_completion() {
if (!code_completion_active) {
return;
}
code_completion_forced = false;
code_completion_active = false;
update();
}
/* Line length guidelines */
void CodeEdit::set_line_length_guidelines(TypedArray<int> p_guideline_columns) {
line_length_guideline_columns = p_guideline_columns;
update();
}
TypedArray<int> CodeEdit::get_line_length_guidelines() const {
return line_length_guideline_columns;
}
/* Symbol lookup */
void CodeEdit::set_symbol_lookup_on_click_enabled(bool p_enabled) {
symbol_lookup_on_click_enabled = p_enabled;
set_symbol_lookup_word_as_valid(false);
}
bool CodeEdit::is_symbol_lookup_on_click_enabled() const {
return symbol_lookup_on_click_enabled;
}
String CodeEdit::get_text_for_symbol_lookup() {
Point2i mp = get_local_mouse_pos();
Point2i pos = get_line_column_at_pos(mp);
int line = pos.y;
int col = pos.x;
StringBuilder lookup_text;
const int text_size = get_line_count();
for (int i = 0; i < text_size; i++) {
String text = get_line(i);
if (i == line) {
lookup_text += text.substr(0, col);
/* Not unicode, represents the cursor. */
lookup_text += String::chr(0xFFFF);
lookup_text += text.substr(col, text.size());
} else {
lookup_text += text;
}
if (i != text_size - 1) {
lookup_text += "\n";
}
}
return lookup_text.as_string();
}
void CodeEdit::set_symbol_lookup_word_as_valid(bool p_valid) {
symbol_lookup_word = p_valid ? symbol_lookup_new_word : "";
symbol_lookup_new_word = "";
if (lookup_symbol_word != symbol_lookup_word) {
_set_symbol_lookup_word(symbol_lookup_word);
}
}
void CodeEdit::_bind_methods() {
/* Indent management */
ClassDB::bind_method(D_METHOD("set_indent_size", "size"), &CodeEdit::set_indent_size);
ClassDB::bind_method(D_METHOD("get_indent_size"), &CodeEdit::get_indent_size);
ClassDB::bind_method(D_METHOD("set_indent_using_spaces", "use_spaces"), &CodeEdit::set_indent_using_spaces);
ClassDB::bind_method(D_METHOD("is_indent_using_spaces"), &CodeEdit::is_indent_using_spaces);
ClassDB::bind_method(D_METHOD("set_auto_indent_enabled", "enable"), &CodeEdit::set_auto_indent_enabled);
ClassDB::bind_method(D_METHOD("is_auto_indent_enabled"), &CodeEdit::is_auto_indent_enabled);
ClassDB::bind_method(D_METHOD("set_auto_indent_prefixes", "prefixes"), &CodeEdit::set_auto_indent_prefixes);
ClassDB::bind_method(D_METHOD("get_auto_indent_prefixes"), &CodeEdit::get_auto_indent_prefixes);
ClassDB::bind_method(D_METHOD("do_indent"), &CodeEdit::do_indent);
ClassDB::bind_method(D_METHOD("do_unindent"), &CodeEdit::do_unindent);
ClassDB::bind_method(D_METHOD("indent_lines"), &CodeEdit::indent_lines);
ClassDB::bind_method(D_METHOD("unindent_lines"), &CodeEdit::unindent_lines);
/* Auto brace completion */
ClassDB::bind_method(D_METHOD("set_auto_brace_completion_enabled", "enable"), &CodeEdit::set_auto_brace_completion_enabled);
ClassDB::bind_method(D_METHOD("is_auto_brace_completion_enabled"), &CodeEdit::is_auto_brace_completion_enabled);
ClassDB::bind_method(D_METHOD("set_highlight_matching_braces_enabled", "enable"), &CodeEdit::set_highlight_matching_braces_enabled);
ClassDB::bind_method(D_METHOD("is_highlight_matching_braces_enabled"), &CodeEdit::is_highlight_matching_braces_enabled);
ClassDB::bind_method(D_METHOD("add_auto_brace_completion_pair", "start_key", "end_key"), &CodeEdit::add_auto_brace_completion_pair);
ClassDB::bind_method(D_METHOD("set_auto_brace_completion_pairs", "pairs"), &CodeEdit::set_auto_brace_completion_pairs);
ClassDB::bind_method(D_METHOD("get_auto_brace_completion_pairs"), &CodeEdit::get_auto_brace_completion_pairs);
ClassDB::bind_method(D_METHOD("has_auto_brace_completion_open_key", "open_key"), &CodeEdit::has_auto_brace_completion_open_key);
ClassDB::bind_method(D_METHOD("has_auto_brace_completion_close_key", "close_key"), &CodeEdit::has_auto_brace_completion_close_key);
ClassDB::bind_method(D_METHOD("get_auto_brace_completion_close_key", "open_key"), &CodeEdit::get_auto_brace_completion_close_key);
/* Main Gutter */
ClassDB::bind_method(D_METHOD("_main_gutter_draw_callback"), &CodeEdit::_main_gutter_draw_callback);
ClassDB::bind_method(D_METHOD("set_draw_breakpoints_gutter", "enable"), &CodeEdit::set_draw_breakpoints_gutter);
ClassDB::bind_method(D_METHOD("is_drawing_breakpoints_gutter"), &CodeEdit::is_drawing_breakpoints_gutter);
ClassDB::bind_method(D_METHOD("set_draw_bookmarks_gutter", "enable"), &CodeEdit::set_draw_bookmarks_gutter);
ClassDB::bind_method(D_METHOD("is_drawing_bookmarks_gutter"), &CodeEdit::is_drawing_bookmarks_gutter);
ClassDB::bind_method(D_METHOD("set_draw_executing_lines_gutter", "enable"), &CodeEdit::set_draw_executing_lines_gutter);
ClassDB::bind_method(D_METHOD("is_drawing_executing_lines_gutter"), &CodeEdit::is_drawing_executing_lines_gutter);
// Breakpoints
ClassDB::bind_method(D_METHOD("set_line_as_breakpoint", "line", "breakpointed"), &CodeEdit::set_line_as_breakpoint);
ClassDB::bind_method(D_METHOD("is_line_breakpointed", "line"), &CodeEdit::is_line_breakpointed);
ClassDB::bind_method(D_METHOD("clear_breakpointed_lines"), &CodeEdit::clear_breakpointed_lines);
ClassDB::bind_method(D_METHOD("get_breakpointed_lines"), &CodeEdit::get_breakpointed_lines);
// Bookmarks
ClassDB::bind_method(D_METHOD("set_line_as_bookmarked", "line", "bookmarked"), &CodeEdit::set_line_as_bookmarked);
ClassDB::bind_method(D_METHOD("is_line_bookmarked", "line"), &CodeEdit::is_line_bookmarked);
ClassDB::bind_method(D_METHOD("clear_bookmarked_lines"), &CodeEdit::clear_bookmarked_lines);
ClassDB::bind_method(D_METHOD("get_bookmarked_lines"), &CodeEdit::get_bookmarked_lines);
// executing lines
ClassDB::bind_method(D_METHOD("set_line_as_executing", "line", "executing"), &CodeEdit::set_line_as_executing);
ClassDB::bind_method(D_METHOD("is_line_executing", "line"), &CodeEdit::is_line_executing);
ClassDB::bind_method(D_METHOD("clear_executing_lines"), &CodeEdit::clear_executing_lines);
ClassDB::bind_method(D_METHOD("get_executing_lines"), &CodeEdit::get_executing_lines);
/* Line numbers */
ClassDB::bind_method(D_METHOD("_line_number_draw_callback"), &CodeEdit::_line_number_draw_callback);
ClassDB::bind_method(D_METHOD("set_draw_line_numbers", "enable"), &CodeEdit::set_draw_line_numbers);
ClassDB::bind_method(D_METHOD("is_draw_line_numbers_enabled"), &CodeEdit::is_draw_line_numbers_enabled);
ClassDB::bind_method(D_METHOD("set_line_numbers_zero_padded", "enable"), &CodeEdit::set_line_numbers_zero_padded);
ClassDB::bind_method(D_METHOD("is_line_numbers_zero_padded"), &CodeEdit::is_line_numbers_zero_padded);
/* Fold Gutter */
ClassDB::bind_method(D_METHOD("_fold_gutter_draw_callback"), &CodeEdit::_fold_gutter_draw_callback);
ClassDB::bind_method(D_METHOD("set_draw_fold_gutter", "enable"), &CodeEdit::set_draw_fold_gutter);
ClassDB::bind_method(D_METHOD("is_drawing_fold_gutter"), &CodeEdit::is_drawing_fold_gutter);
/* Line folding */
ClassDB::bind_method(D_METHOD("set_line_folding_enabled", "enabled"), &CodeEdit::set_line_folding_enabled);
ClassDB::bind_method(D_METHOD("is_line_folding_enabled"), &CodeEdit::is_line_folding_enabled);
ClassDB::bind_method(D_METHOD("can_fold_line", "line"), &CodeEdit::can_fold_line);
ClassDB::bind_method(D_METHOD("fold_line", "line"), &CodeEdit::fold_line);
ClassDB::bind_method(D_METHOD("unfold_line", "line"), &CodeEdit::unfold_line);
ClassDB::bind_method(D_METHOD("fold_all_lines"), &CodeEdit::fold_all_lines);
ClassDB::bind_method(D_METHOD("unfold_all_lines"), &CodeEdit::unfold_all_lines);
ClassDB::bind_method(D_METHOD("toggle_foldable_line", "line"), &CodeEdit::toggle_foldable_line);
ClassDB::bind_method(D_METHOD("is_line_folded", "line"), &CodeEdit::is_line_folded);
ClassDB::bind_method(D_METHOD("get_folded_lines"), &CodeEdit::get_folded_lines);
/* Delimiters */
// Strings
ClassDB::bind_method(D_METHOD("add_string_delimiter", "start_key", "end_key", "line_only"), &CodeEdit::add_string_delimiter, DEFVAL(false));
ClassDB::bind_method(D_METHOD("remove_string_delimiter", "start_key"), &CodeEdit::remove_string_delimiter);
ClassDB::bind_method(D_METHOD("has_string_delimiter", "start_key"), &CodeEdit::has_string_delimiter);
ClassDB::bind_method(D_METHOD("set_string_delimiters", "string_delimiters"), &CodeEdit::set_string_delimiters);
ClassDB::bind_method(D_METHOD("clear_string_delimiters"), &CodeEdit::clear_string_delimiters);
ClassDB::bind_method(D_METHOD("get_string_delimiters"), &CodeEdit::get_string_delimiters);
ClassDB::bind_method(D_METHOD("is_in_string", "line", "column"), &CodeEdit::is_in_string, DEFVAL(-1));
// Comments
ClassDB::bind_method(D_METHOD("add_comment_delimiter", "start_key", "end_key", "line_only"), &CodeEdit::add_comment_delimiter, DEFVAL(false));
ClassDB::bind_method(D_METHOD("remove_comment_delimiter", "start_key"), &CodeEdit::remove_comment_delimiter);
ClassDB::bind_method(D_METHOD("has_comment_delimiter", "start_key"), &CodeEdit::has_comment_delimiter);
ClassDB::bind_method(D_METHOD("set_comment_delimiters", "comment_delimiters"), &CodeEdit::set_comment_delimiters);
ClassDB::bind_method(D_METHOD("clear_comment_delimiters"), &CodeEdit::clear_comment_delimiters);
ClassDB::bind_method(D_METHOD("get_comment_delimiters"), &CodeEdit::get_comment_delimiters);
ClassDB::bind_method(D_METHOD("is_in_comment", "line", "column"), &CodeEdit::is_in_comment, DEFVAL(-1));
// Util
ClassDB::bind_method(D_METHOD("get_delimiter_start_key", "delimiter_index"), &CodeEdit::get_delimiter_start_key);
ClassDB::bind_method(D_METHOD("get_delimiter_end_key", "delimiter_index"), &CodeEdit::get_delimiter_end_key);
ClassDB::bind_method(D_METHOD("get_delimiter_start_position", "line", "column"), &CodeEdit::get_delimiter_start_position);
ClassDB::bind_method(D_METHOD("get_delimiter_end_position", "line", "column"), &CodeEdit::get_delimiter_end_position);
/* Code hint */
ClassDB::bind_method(D_METHOD("set_code_hint", "code_hint"), &CodeEdit::set_code_hint);
ClassDB::bind_method(D_METHOD("set_code_hint_draw_below", "draw_below"), &CodeEdit::set_code_hint_draw_below);
/* Code Completion */
BIND_ENUM_CONSTANT(KIND_CLASS);
BIND_ENUM_CONSTANT(KIND_FUNCTION);
BIND_ENUM_CONSTANT(KIND_SIGNAL);
BIND_ENUM_CONSTANT(KIND_VARIABLE);
BIND_ENUM_CONSTANT(KIND_MEMBER);
BIND_ENUM_CONSTANT(KIND_ENUM);
BIND_ENUM_CONSTANT(KIND_CONSTANT);
BIND_ENUM_CONSTANT(KIND_NODE_PATH);
BIND_ENUM_CONSTANT(KIND_FILE_PATH);
BIND_ENUM_CONSTANT(KIND_PLAIN_TEXT);
ClassDB::bind_method(D_METHOD("get_text_for_code_completion"), &CodeEdit::get_text_for_code_completion);
ClassDB::bind_method(D_METHOD("request_code_completion", "force"), &CodeEdit::request_code_completion, DEFVAL(false));
ClassDB::bind_method(D_METHOD("add_code_completion_option", "type", "display_text", "insert_text", "text_color", "icon", "value"), &CodeEdit::add_code_completion_option, DEFVAL(Color(1, 1, 1)), DEFVAL(RES()), DEFVAL(Variant::NIL));
ClassDB::bind_method(D_METHOD("update_code_completion_options", "force"), &CodeEdit::update_code_completion_options);
ClassDB::bind_method(D_METHOD("get_code_completion_options"), &CodeEdit::get_code_completion_options);
ClassDB::bind_method(D_METHOD("get_code_completion_option", "index"), &CodeEdit::get_code_completion_option);
ClassDB::bind_method(D_METHOD("get_code_completion_selected_index"), &CodeEdit::get_code_completion_selected_index);
ClassDB::bind_method(D_METHOD("set_code_completion_selected_index", "index"), &CodeEdit::set_code_completion_selected_index);
ClassDB::bind_method(D_METHOD("confirm_code_completion", "replace"), &CodeEdit::confirm_code_completion, DEFVAL(false));
ClassDB::bind_method(D_METHOD("cancel_code_completion"), &CodeEdit::cancel_code_completion);
ClassDB::bind_method(D_METHOD("set_code_completion_enabled", "enable"), &CodeEdit::set_code_completion_enabled);
ClassDB::bind_method(D_METHOD("is_code_completion_enabled"), &CodeEdit::is_code_completion_enabled);
ClassDB::bind_method(D_METHOD("set_code_completion_prefixes", "prefixes"), &CodeEdit::set_code_completion_prefixes);
ClassDB::bind_method(D_METHOD("get_code_comletion_prefixes"), &CodeEdit::get_code_completion_prefixes);
// Overridable
GDVIRTUAL_BIND(_confirm_code_completion, "replace")
GDVIRTUAL_BIND(_request_code_completion, "force")
GDVIRTUAL_BIND(_filter_code_completion_candidates, "candidates")
/* Line length guidelines */
ClassDB::bind_method(D_METHOD("set_line_length_guidelines", "guideline_columns"), &CodeEdit::set_line_length_guidelines);
ClassDB::bind_method(D_METHOD("get_line_length_guidelines"), &CodeEdit::get_line_length_guidelines);
/* Symbol lookup */
ClassDB::bind_method(D_METHOD("set_symbol_lookup_on_click_enabled", "enable"), &CodeEdit::set_symbol_lookup_on_click_enabled);
ClassDB::bind_method(D_METHOD("is_symbol_lookup_on_click_enabled"), &CodeEdit::is_symbol_lookup_on_click_enabled);
ClassDB::bind_method(D_METHOD("get_text_for_symbol_lookup"), &CodeEdit::get_text_for_symbol_lookup);
ClassDB::bind_method(D_METHOD("set_symbol_lookup_word_as_valid", "valid"), &CodeEdit::set_symbol_lookup_word_as_valid);
/* Inspector */
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "symbol_lookup_on_click"), "set_symbol_lookup_on_click_enabled", "is_symbol_lookup_on_click_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "line_folding"), "set_line_folding_enabled", "is_line_folding_enabled");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_INT32_ARRAY, "line_length_guidelines"), "set_line_length_guidelines", "get_line_length_guidelines");
ADD_GROUP("Gutters", "gutters_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_draw_breakpoints_gutter"), "set_draw_breakpoints_gutter", "is_drawing_breakpoints_gutter");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_draw_bookmarks"), "set_draw_bookmarks_gutter", "is_drawing_bookmarks_gutter");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_draw_executing_lines"), "set_draw_executing_lines_gutter", "is_drawing_executing_lines_gutter");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_draw_line_numbers"), "set_draw_line_numbers", "is_draw_line_numbers_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_zero_pad_line_numbers"), "set_line_numbers_zero_padded", "is_line_numbers_zero_padded");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gutters_draw_fold_gutter"), "set_draw_fold_gutter", "is_drawing_fold_gutter");
ADD_GROUP("Delimiters", "delimiter_");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "delimiter_strings"), "set_string_delimiters", "get_string_delimiters");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "delimiter_comments"), "set_comment_delimiters", "get_comment_delimiters");
ADD_GROUP("Code Completion", "code_completion_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "code_completion_enabled"), "set_code_completion_enabled", "is_code_completion_enabled");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "code_completion_prefixes"), "set_code_completion_prefixes", "get_code_comletion_prefixes");
ADD_GROUP("Indentation", "indent_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "indent_size"), "set_indent_size", "get_indent_size");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "indent_use_spaces"), "set_indent_using_spaces", "is_indent_using_spaces");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "indent_automatic"), "set_auto_indent_enabled", "is_auto_indent_enabled");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "indent_automatic_prefixes"), "set_auto_indent_prefixes", "get_auto_indent_prefixes");
ADD_GROUP("Auto brace completion", "auto_brace_completion_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_brace_completion_enabled"), "set_auto_brace_completion_enabled", "is_auto_brace_completion_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_brace_completion_highlight_matching"), "set_highlight_matching_braces_enabled", "is_highlight_matching_braces_enabled");
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "auto_brace_completion_pairs"), "set_auto_brace_completion_pairs", "get_auto_brace_completion_pairs");
/* Signals */
/* Gutters */
ADD_SIGNAL(MethodInfo("breakpoint_toggled", PropertyInfo(Variant::INT, "line")));
/* Code Completion */
ADD_SIGNAL(MethodInfo("request_code_completion"));
/* Symbol lookup */
ADD_SIGNAL(MethodInfo("symbol_lookup", PropertyInfo(Variant::STRING, "symbol"), PropertyInfo(Variant::INT, "line"), PropertyInfo(Variant::INT, "column")));
ADD_SIGNAL(MethodInfo("symbol_validate", PropertyInfo(Variant::STRING, "symbol")));
}
/* Auto brace completion */
int CodeEdit::_get_auto_brace_pair_open_at_pos(int p_line, int p_col) {
const String &line = get_line(p_line);
/* Should be fast enough, expecting low amount of pairs... */
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
const String &open_key = auto_brace_completion_pairs[i].open_key;
if (p_col - open_key.length() < 0) {
continue;
}
bool is_match = true;
for (int j = 0; j < open_key.length(); j++) {
if (line[(p_col - 1) - j] != open_key[(open_key.length() - 1) - j]) {
is_match = false;
break;
}
}
if (is_match) {
return i;
}
}
return -1;
}
int CodeEdit::_get_auto_brace_pair_close_at_pos(int p_line, int p_col) {
const String &line = get_line(p_line);
/* Should be fast enough, expecting low amount of pairs... */
for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
if (p_col + auto_brace_completion_pairs[i].close_key.length() > line.length()) {
continue;
}
bool is_match = true;
for (int j = 0; j < auto_brace_completion_pairs[i].close_key.length(); j++) {
if (line[p_col + j] != auto_brace_completion_pairs[i].close_key[j]) {
is_match = false;
break;
}
}
if (is_match) {
return i;
}
}
return -1;
}
/* Gutters */
void CodeEdit::_gutter_clicked(int p_line, int p_gutter) {
if (p_gutter == main_gutter) {
if (draw_breakpoints) {
set_line_as_breakpoint(p_line, !is_line_breakpointed(p_line));
}
return;
}
if (p_gutter == line_number_gutter) {
set_selection_mode(TextEdit::SelectionMode::SELECTION_MODE_LINE, p_line, 0);
select(p_line, 0, p_line + 1, 0);
set_caret_line(p_line + 1);
set_caret_column(0);
return;
}
if (p_gutter == fold_gutter) {
if (is_line_folded(p_line)) {
unfold_line(p_line);
} else if (can_fold_line(p_line)) {
fold_line(p_line);
}
return;
}
}
void CodeEdit::_update_gutter_indexes() {
for (int i = 0; i < get_gutter_count(); i++) {
if (get_gutter_name(i) == "main_gutter") {
main_gutter = i;
continue;
}
if (get_gutter_name(i) == "line_numbers") {
line_number_gutter = i;
continue;
}
if (get_gutter_name(i) == "fold_gutter") {
fold_gutter = i;
continue;
}
}
}
/* Delimiters */
void CodeEdit::_update_delimiter_cache(int p_from_line, int p_to_line) {
if (delimiters.size() == 0) {
return;
}
int line_count = get_line_count();
if (p_to_line == -1) {
p_to_line = line_count;
}
int start_line = MIN(p_from_line, p_to_line);
int end_line = MAX(p_from_line, p_to_line);
/* Make sure delimiter_cache has all the lines. */
if (start_line != end_line) {
if (p_to_line < p_from_line) {
for (int i = end_line; i > start_line; i--) {
delimiter_cache.remove(i);
}
} else {
for (int i = start_line; i < end_line; i++) {
delimiter_cache.insert(i, Map<int, int>());
}
}
}
int in_region = -1;
for (int i = start_line; i < MIN(end_line + 1, line_count); i++) {
int current_end_region = (i <= 0 || delimiter_cache[i].size() < 1) ? -1 : delimiter_cache[i].back()->value();
in_region = (i <= 0 || delimiter_cache[i - 1].size() < 1) ? -1 : delimiter_cache[i - 1].back()->value();
const String &str = get_line(i);
const int line_length = str.length();
delimiter_cache.write[i].clear();
if (str.length() == 0) {
if (in_region != -1) {
delimiter_cache.write[i][0] = in_region;
}
if (i == end_line && current_end_region != in_region) {
end_line++;
end_line = MIN(end_line, line_count);
}
continue;
}
int end_region = -1;
for (int j = 0; j < line_length; j++) {
int from = j;
for (; from < line_length; from++) {
if (str[from] == '\\') {
from++;
continue;
}
break;
}
/* check if we are in entering a region */
bool same_line = false;
if (in_region == -1) {
for (int d = 0; d < delimiters.size(); d++) {
/* check there is enough room */
int chars_left = line_length - from;
int start_key_length = delimiters[d].start_key.length();
int end_key_length = delimiters[d].end_key.length();
if (chars_left < start_key_length) {
continue;
}
/* search the line */
bool match = true;
const char32_t *start_key = delimiters[d].start_key.get_data();
for (int k = 0; k < start_key_length; k++) {
if (start_key[k] != str[from + k]) {
match = false;
break;
}
}
if (!match) {
continue;
}
same_line = true;
in_region = d;
delimiter_cache.write[i][from + 1] = d;
from += start_key_length;
/* check if it's the whole line */
if (end_key_length == 0 || delimiters[d].line_only || from + end_key_length > line_length) {
j = line_length;
if (delimiters[d].line_only) {
delimiter_cache.write[i][line_length + 1] = -1;
} else {
end_region = in_region;
}
}
break;
}
if (j == line_length || in_region == -1) {
continue;
}
}
/* if we are in one find the end key */
/* search the line */
int region_end_index = -1;
int end_key_length = delimiters[in_region].end_key.length();
const char32_t *end_key = delimiters[in_region].end_key.get_data();
for (; from < line_length; from++) {
if (line_length - from < end_key_length) {
break;
}
if (!is_symbol(str[from])) {
continue;
}
if (str[from] == '\\') {
from++;
continue;
}
region_end_index = from;
for (int k = 0; k < end_key_length; k++) {
if (end_key[k] != str[from + k]) {
region_end_index = -1;
break;
}
}
if (region_end_index != -1) {
break;
}
}
j = from + (end_key_length - 1);
end_region = (region_end_index == -1) ? in_region : -1;
if (!same_line || region_end_index != -1) {
delimiter_cache.write[i][j + 1] = end_region;
}
in_region = -1;
}
if (i == end_line && current_end_region != end_region) {
end_line++;
end_line = MIN(end_line, line_count);
}
}
}
int CodeEdit::_is_in_delimiter(int p_line, int p_column, DelimiterType p_type) const {
if (delimiters.size() == 0) {
return -1;
}
ERR_FAIL_INDEX_V(p_line, get_line_count(), 0);
int region = (p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value();
bool in_region = region != -1 && delimiters[region].type == p_type;
for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) {
/* If column is specified, loop until the key is larger then the column. */
if (p_column != -1) {
if (E->key() > p_column) {
break;
}
in_region = E->value() != -1 && delimiters[E->value()].type == p_type;
region = in_region ? E->value() : -1;
continue;
}
/* If no column, calculate if the entire line is a region */
/* excluding whitespace. */
const String line = get_line(p_line);
if (!in_region) {
if (E->value() == -1 || delimiters[E->value()].type != p_type) {
break;
}
region = E->value();
in_region = true;
for (int i = E->key() - 2; i >= 0; i--) {
if (!_is_whitespace(line[i])) {
return -1;
}
}
}
if (delimiters[region].line_only) {
return region;
}
int end_col = E->key();
if (E->value() != -1) {
if (!E->next()) {
return region;
}
end_col = E->next()->key();
}
for (int i = end_col; i < line.length(); i++) {
if (!_is_whitespace(line[i])) {
return -1;
}
}
return region;
}
return in_region ? region : -1;
}
void CodeEdit::_add_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only, DelimiterType p_type) {
// If we are the editor allow "null" as a valid start key, otherwise users cannot add delimiters via the inspector.
if (!(Engine::get_singleton()->is_editor_hint() && p_start_key == "null")) {
ERR_FAIL_COND_MSG(p_start_key.is_empty(), "delimiter start key cannot be empty");
for (int i = 0; i < p_start_key.length(); i++) {
ERR_FAIL_COND_MSG(!is_symbol(p_start_key[i]), "delimiter must start with a symbol");
}
}
if (p_end_key.length() > 0) {
for (int i = 0; i < p_end_key.length(); i++) {
ERR_FAIL_COND_MSG(!is_symbol(p_end_key[i]), "delimiter must end with a symbol");
}
}
int at = 0;
for (int i = 0; i < delimiters.size(); i++) {
ERR_FAIL_COND_MSG(delimiters[i].start_key == p_start_key, "delimiter with start key '" + p_start_key + "' already exists.");
if (p_start_key.length() < delimiters[i].start_key.length()) {
at++;
}
}
Delimiter delimiter;
delimiter.type = p_type;
delimiter.start_key = p_start_key;
delimiter.end_key = p_end_key;
delimiter.line_only = p_line_only || p_end_key == "";
delimiters.insert(at, delimiter);
if (!setting_delimiters) {
delimiter_cache.clear();
_update_delimiter_cache();
}
}
void CodeEdit::_remove_delimiter(const String &p_start_key, DelimiterType p_type) {
for (int i = 0; i < delimiters.size(); i++) {
if (delimiters[i].start_key != p_start_key) {
continue;
}
if (delimiters[i].type != p_type) {
break;
}
delimiters.remove(i);
if (!setting_delimiters) {
delimiter_cache.clear();
_update_delimiter_cache();
}
break;
}
}
bool CodeEdit::_has_delimiter(const String &p_start_key, DelimiterType p_type) const {
for (int i = 0; i < delimiters.size(); i++) {
if (delimiters[i].start_key == p_start_key) {
return delimiters[i].type == p_type;
}
}
return false;
}
void CodeEdit::_set_delimiters(const TypedArray<String> &p_delimiters, DelimiterType p_type) {
setting_delimiters = true;
_clear_delimiters(p_type);
for (int i = 0; i < p_delimiters.size(); i++) {
String key = p_delimiters[i];
if (key.is_empty()) {
continue;
}
const String start_key = key.get_slice(" ", 0);
const String end_key = key.get_slice_count(" ") > 1 ? key.get_slice(" ", 1) : String();
_add_delimiter(start_key, end_key, end_key == "", p_type);
}
setting_delimiters = false;
_update_delimiter_cache();
}
void CodeEdit::_clear_delimiters(DelimiterType p_type) {
for (int i = delimiters.size() - 1; i >= 0; i--) {
if (delimiters[i].type == p_type) {
delimiters.remove(i);
}
}
delimiter_cache.clear();
if (!setting_delimiters) {
_update_delimiter_cache();
}
}
TypedArray<String> CodeEdit::_get_delimiters(DelimiterType p_type) const {
TypedArray<String> r_delimiters;
for (int i = 0; i < delimiters.size(); i++) {
if (delimiters[i].type != p_type) {
continue;
}
r_delimiters.push_back(delimiters[i].start_key + (delimiters[i].end_key.is_empty() ? "" : " " + delimiters[i].end_key));
}
return r_delimiters;
}
/* Code Completion */
void CodeEdit::_filter_code_completion_candidates_impl() {
int line_height = get_line_height();
if (GDVIRTUAL_IS_OVERRIDDEN(_filter_code_completion_candidates)) {
code_completion_options.clear();
code_completion_base = "";
/* Build options argument. */
TypedArray<Dictionary> completion_options_sources;
completion_options_sources.resize(code_completion_option_sources.size());
int i = 0;
for (const ScriptCodeCompletionOption &E : code_completion_option_sources) {
Dictionary option;
option["kind"] = E.kind;
option["display_text"] = E.display;
option["insert_text"] = E.insert_text;
option["font_color"] = E.font_color;
option["icon"] = E.icon;
option["default_value"] = E.default_value;
completion_options_sources[i] = option;
i++;
}
Array completion_options;
GDVIRTUAL_CALL(_filter_code_completion_candidates, completion_options_sources, completion_options);
/* No options to complete, cancel. */
if (completion_options.size() == 0) {
cancel_code_completion();
return;
}
/* Convert back into options. */
int max_width = 0;
for (i = 0; i < completion_options.size(); i++) {
ScriptCodeCompletionOption option;
option.kind = (ScriptCodeCompletionOption::Kind)(int)completion_options[i].get("kind");
option.display = completion_options[i].get("display_text");
option.insert_text = completion_options[i].get("insert_text");
option.font_color = completion_options[i].get("font_color");
option.icon = completion_options[i].get("icon");
option.default_value = completion_options[i].get("default_value");
int offset = 0;
if (option.default_value.get_type() == Variant::COLOR) {
offset = line_height;
}
max_width = MAX(max_width, font->get_string_size(option.display, font_size).width + offset);
code_completion_options.push_back(option);
}
code_completion_longest_line = MIN(max_width, code_completion_max_width * font_size);
code_completion_current_selected = 0;
code_completion_active = true;
update();
return;
}
const int caret_line = get_caret_line();
const int caret_column = get_caret_column();
const String line = get_line(caret_line);
if (caret_column > 0 && line[caret_column - 1] == '(' && !code_completion_forced) {
cancel_code_completion();
return;
}
/* Get string status, are we in one or at the close. */
int in_string = is_in_string(caret_line, caret_column);
int first_quote_col = -1;
if (in_string != -1) {
Point2 string_start_pos = get_delimiter_start_position(caret_line, caret_column);
first_quote_col = (string_start_pos.y == caret_line) ? string_start_pos.x : -1;
} else if (caret_column > 0) {
if (is_in_string(caret_line, caret_column - 1) != -1) {
first_quote_col = caret_column - 1;
}
}
int cofs = caret_column;
String string_to_complete;
bool prev_is_word = false;
/* Cancel if we are at the close of a string. */
if (caret_column > 0 && in_string == -1 && first_quote_col == cofs - 1) {
cancel_code_completion();
return;
/* In a string, therefore we are trying to complete the string text. */
} else if (in_string != -1 && first_quote_col != -1) {
int key_length = delimiters[in_string].start_key.length();
string_to_complete = line.substr(first_quote_col - key_length, (cofs - first_quote_col) + key_length);
/* If we have a space, previous word might be a keyword. eg "func |". */
} else if (cofs > 0 && line[cofs - 1] == ' ') {
int ofs = cofs - 1;
while (ofs > 0 && line[ofs] == ' ') {
ofs--;
}
prev_is_word = _is_char(line[ofs]);
/* Otherwise get current word and set cofs to the start. */
} else {
int start_cofs = cofs;
while (cofs > 0 && line[cofs - 1] > 32 && (line[cofs - 1] == '/' || _is_char(line[cofs - 1]))) {
cofs--;
}
string_to_complete = line.substr(cofs, start_cofs - cofs);
}
/* If all else fails, check for a prefix. */
/* Single space between caret and prefix is okay. */
bool prev_is_prefix = false;
if (cofs > 0 && code_completion_prefixes.has(line[cofs - 1])) {
prev_is_prefix = true;
} else if (cofs > 1 && line[cofs - 1] == ' ' && code_completion_prefixes.has(line[cofs - 2])) {
prev_is_prefix = true;
}
if (!prev_is_word && string_to_complete.is_empty() && (cofs == 0 || !prev_is_prefix)) {
cancel_code_completion();
return;
}
/* Filter Options. */
/* For now handle only tradional quoted strings. */
bool single_quote = in_string != -1 && first_quote_col > 0 && delimiters[in_string].start_key == "'";
code_completion_options.clear();
code_completion_base = string_to_complete;
Vector<ScriptCodeCompletionOption> completion_options_casei;
Vector<ScriptCodeCompletionOption> completion_options_subseq;
Vector<ScriptCodeCompletionOption> completion_options_subseq_casei;
int max_width = 0;
String string_to_complete_lower = string_to_complete.to_lower();
for (ScriptCodeCompletionOption &option : code_completion_option_sources) {
if (single_quote && option.display.is_quoted()) {
option.display = option.display.unquote().quote("'");
}
int offset = 0;
if (option.default_value.get_type() == Variant::COLOR) {
offset = line_height;
}
if (in_string != -1) {
String quote = single_quote ? "'" : "\"";
option.display = option.display.unquote().quote(quote);
option.insert_text = option.insert_text.unquote().quote(quote);
}
if (option.display.length() == 0) {
continue;
}
if (string_to_complete.length() == 0) {
code_completion_options.push_back(option);
max_width = MAX(max_width, font->get_string_size(option.display, font_size).width + offset);
continue;
}
/* This code works the same as:
if (option.display.begins_with(s)) {
completion_options.push_back(option);
} else if (option.display.to_lower().begins_with(s.to_lower())) {
completion_options_casei.push_back(option);
} else if (s.is_subsequence_of(option.display)) {
completion_options_subseq.push_back(option);
} else if (s.is_subsequence_ofi(option.display)) {
completion_options_subseq_casei.push_back(option);
}
But is more performant due to being inlined and looping over the characters only once
*/
String display_lower = option.display.to_lower();
const char32_t *ssq = &string_to_complete[0];
const char32_t *ssq_lower = &string_to_complete_lower[0];
const char32_t *tgt = &option.display[0];
const char32_t *tgt_lower = &display_lower[0];
const char32_t *ssq_last_tgt = nullptr;
const char32_t *ssq_lower_last_tgt = nullptr;
for (; *tgt; tgt++, tgt_lower++) {
if (*ssq == *tgt) {
ssq++;
ssq_last_tgt = tgt;
}
if (*ssq_lower == *tgt_lower) {
ssq_lower++;
ssq_lower_last_tgt = tgt;
}
}
/* Matched the whole subsequence in s. */
if (!*ssq) {
/* Finished matching in the first s.length() characters. */
if (ssq_last_tgt == &option.display[string_to_complete.length() - 1]) {
code_completion_options.push_back(option);
} else {
completion_options_subseq.push_back(option);
}
max_width = MAX(max_width, font->get_string_size(option.display, font_size).width + offset);
/* Matched the whole subsequence in s_lower. */
} else if (!*ssq_lower) {
/* Finished matching in the first s.length() characters. */
if (ssq_lower_last_tgt == &option.display[string_to_complete.length() - 1]) {
completion_options_casei.push_back(option);
} else {
completion_options_subseq_casei.push_back(option);
}
max_width = MAX(max_width, font->get_string_size(option.display, font_size).width + offset);
}
}
code_completion_options.append_array(completion_options_casei);
code_completion_options.append_array(completion_options_subseq);
code_completion_options.append_array(completion_options_subseq_casei);
/* No options to complete, cancel. */
if (code_completion_options.size() == 0) {
cancel_code_completion();
return;
}
/* A perfect match, stop completion. */
if (code_completion_options.size() == 1 && string_to_complete == code_completion_options[0].display) {
cancel_code_completion();
return;
}
code_completion_longest_line = MIN(max_width, code_completion_max_width * font_size);
code_completion_current_selected = 0;
code_completion_active = true;
update();
}
void CodeEdit::_lines_edited_from(int p_from_line, int p_to_line) {
_update_delimiter_cache(p_from_line, p_to_line);
if (p_from_line == p_to_line) {
return;
}
lines_edited_from = (lines_edited_from == -1) ? MIN(p_from_line, p_to_line) : MIN(lines_edited_from, MIN(p_from_line, p_to_line));
lines_edited_to = (lines_edited_to == -1) ? MAX(p_from_line, p_to_line) : MAX(lines_edited_from, MAX(p_from_line, p_to_line));
}
void CodeEdit::_text_set() {
lines_edited_from = 0;
lines_edited_to = 9999;
_text_changed();
}
void CodeEdit::_text_changed() {
if (lines_edited_from == -1) {
return;
}
int lc = get_line_count();
line_number_digits = 1;
while (lc /= 10) {
line_number_digits++;
}
if (font.is_valid()) {
set_gutter_width(line_number_gutter, (line_number_digits + 1) * font->get_char_size('0', 0, font_size).width);
}
lc = get_line_count();
int line_change_size = (lines_edited_to - lines_edited_from);
List<int> breakpoints;
breakpointed_lines.get_key_list(&breakpoints);
for (const int &line : breakpoints) {
if (line < lines_edited_from || (line < lc && is_line_breakpointed(line))) {
continue;
}
breakpointed_lines.erase(line);
emit_signal(SNAME("breakpoint_toggled"), line);
int next_line = line + line_change_size;
if (next_line < lc && is_line_breakpointed(next_line)) {
emit_signal(SNAME("breakpoint_toggled"), next_line);
breakpointed_lines[next_line] = true;
continue;
}
}
lines_edited_from = -1;
lines_edited_to = -1;
}
CodeEdit::CodeEdit() {
/* Indent management */
auto_indent_prefixes.insert(':');
auto_indent_prefixes.insert('{');
auto_indent_prefixes.insert('[');
auto_indent_prefixes.insert('(');
/* Auto brace completion */
add_auto_brace_completion_pair("(", ")");
add_auto_brace_completion_pair("{", "}");
add_auto_brace_completion_pair("[", "]");
add_auto_brace_completion_pair("\"", "\"");
add_auto_brace_completion_pair("\'", "\'");
/* Delimiter traking */
add_string_delimiter("\"", "\"", false);
add_string_delimiter("\'", "\'", false);
/* Text Direction */
set_layout_direction(LAYOUT_DIRECTION_LTR);
set_text_direction(TEXT_DIRECTION_LTR);
/* Gutters */
int gutter_idx = 0;
/* Main Gutter */
add_gutter();
set_gutter_name(gutter_idx, "main_gutter");
set_gutter_draw(gutter_idx, false);
set_gutter_overwritable(gutter_idx, true);
set_gutter_type(gutter_idx, GUTTER_TYPE_CUSTOM);
set_gutter_custom_draw(gutter_idx, this, "_main_gutter_draw_callback");
gutter_idx++;
/* Line numbers */
add_gutter();
set_gutter_name(gutter_idx, "line_numbers");
set_gutter_draw(gutter_idx, false);
set_gutter_type(gutter_idx, GUTTER_TYPE_CUSTOM);
set_gutter_custom_draw(gutter_idx, this, "_line_number_draw_callback");
gutter_idx++;
/* Fold Gutter */
add_gutter();
set_gutter_name(gutter_idx, "fold_gutter");
set_gutter_draw(gutter_idx, false);
set_gutter_type(gutter_idx, GUTTER_TYPE_CUSTOM);
set_gutter_custom_draw(gutter_idx, this, "_fold_gutter_draw_callback");
gutter_idx++;
connect("lines_edited_from", callable_mp(this, &CodeEdit::_lines_edited_from));
connect("text_set", callable_mp(this, &CodeEdit::_text_set));
connect("text_changed", callable_mp(this, &CodeEdit::_text_changed));
connect("gutter_clicked", callable_mp(this, &CodeEdit::_gutter_clicked));
connect("gutter_added", callable_mp(this, &CodeEdit::_update_gutter_indexes));
connect("gutter_removed", callable_mp(this, &CodeEdit::_update_gutter_indexes));
_update_gutter_indexes();
}
CodeEdit::~CodeEdit() {
}
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