99666de00f
Implement interface mirroring. Add TextLine and TextParagraph classes. Handle UTF-16 input on macOS and Windows.
451 lines
16 KiB
C++
451 lines
16 KiB
C++
/*************************************************************************/
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/* code_edit.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "code_edit.h"
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void CodeEdit::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_THEME_CHANGED:
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case NOTIFICATION_ENTER_TREE: {
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set_gutter_width(main_gutter, cache.row_height);
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set_gutter_width(line_number_gutter, (line_number_digits + 1) * cache.font->get_char_size('0').width);
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set_gutter_width(fold_gutter, cache.row_height / 1.2);
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breakpoint_color = get_theme_color("breakpoint_color");
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breakpoint_icon = get_theme_icon("breakpoint");
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bookmark_color = get_theme_color("bookmark_color");
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bookmark_icon = get_theme_icon("bookmark");
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executing_line_color = get_theme_color("executing_line_color");
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executing_line_icon = get_theme_icon("executing_line");
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line_number_color = get_theme_color("line_number_color");
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folding_color = get_theme_color("code_folding_color");
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can_fold_icon = get_theme_icon("can_fold");
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folded_icon = get_theme_icon("folded");
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} break;
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case NOTIFICATION_DRAW: {
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} break;
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}
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}
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/* Main Gutter */
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void CodeEdit::_update_draw_main_gutter() {
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set_gutter_draw(main_gutter, draw_breakpoints || draw_bookmarks || draw_executing_lines);
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}
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void CodeEdit::set_draw_breakpoints_gutter(bool p_draw) {
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draw_breakpoints = p_draw;
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set_gutter_clickable(main_gutter, p_draw);
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_update_draw_main_gutter();
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}
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bool CodeEdit::is_drawing_breakpoints_gutter() const {
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return draw_breakpoints;
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}
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void CodeEdit::set_draw_bookmarks_gutter(bool p_draw) {
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draw_bookmarks = p_draw;
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_update_draw_main_gutter();
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}
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bool CodeEdit::is_drawing_bookmarks_gutter() const {
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return draw_bookmarks;
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}
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void CodeEdit::set_draw_executing_lines_gutter(bool p_draw) {
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draw_executing_lines = p_draw;
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_update_draw_main_gutter();
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}
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bool CodeEdit::is_drawing_executing_lines_gutter() const {
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return draw_executing_lines;
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}
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void CodeEdit::_main_gutter_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
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if (draw_breakpoints && is_line_breakpointed(p_line)) {
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int padding = p_region.size.x / 6;
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Rect2 breakpoint_region = p_region;
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breakpoint_region.position += Point2(padding, padding);
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breakpoint_region.size -= Point2(padding, padding) * 2;
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breakpoint_icon->draw_rect(get_canvas_item(), breakpoint_region, false, breakpoint_color);
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}
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if (draw_bookmarks && is_line_bookmarked(p_line)) {
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int horizontal_padding = p_region.size.x / 2;
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int vertical_padding = p_region.size.y / 4;
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Rect2 bookmark_region = p_region;
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bookmark_region.position += Point2(horizontal_padding, 0);
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bookmark_region.size -= Point2(horizontal_padding * 1.1, vertical_padding);
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bookmark_icon->draw_rect(get_canvas_item(), bookmark_region, false, bookmark_color);
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}
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if (draw_executing_lines && is_line_executing(p_line)) {
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int horizontal_padding = p_region.size.x / 10;
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int vertical_padding = p_region.size.y / 4;
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Rect2 executing_line_region = p_region;
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executing_line_region.position += Point2(horizontal_padding, vertical_padding);
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executing_line_region.size -= Point2(horizontal_padding, vertical_padding) * 2;
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executing_line_icon->draw_rect(get_canvas_item(), executing_line_region, false, executing_line_color);
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}
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}
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// Breakpoints
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void CodeEdit::set_line_as_breakpoint(int p_line, bool p_breakpointed) {
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int mask = get_line_gutter_metadata(p_line, main_gutter);
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set_line_gutter_metadata(p_line, main_gutter, p_breakpointed ? mask | MAIN_GUTTER_BREAKPOINT : mask & ~MAIN_GUTTER_BREAKPOINT);
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if (p_breakpointed) {
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breakpointed_lines[p_line] = true;
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} else if (breakpointed_lines.has(p_line)) {
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breakpointed_lines.erase(p_line);
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}
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emit_signal("breakpoint_toggled", p_line);
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update();
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}
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bool CodeEdit::is_line_breakpointed(int p_line) const {
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return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_BREAKPOINT;
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}
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void CodeEdit::clear_breakpointed_lines() {
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_breakpointed(i)) {
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set_line_as_breakpoint(i, false);
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}
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}
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}
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Array CodeEdit::get_breakpointed_lines() const {
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Array ret;
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_breakpointed(i)) {
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ret.append(i);
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}
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}
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return ret;
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}
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// Bookmarks
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void CodeEdit::set_line_as_bookmarked(int p_line, bool p_bookmarked) {
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int mask = get_line_gutter_metadata(p_line, main_gutter);
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set_line_gutter_metadata(p_line, main_gutter, p_bookmarked ? mask | MAIN_GUTTER_BOOKMARK : mask & ~MAIN_GUTTER_BOOKMARK);
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update();
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}
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bool CodeEdit::is_line_bookmarked(int p_line) const {
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return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_BOOKMARK;
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}
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void CodeEdit::clear_bookmarked_lines() {
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_bookmarked(i)) {
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set_line_as_bookmarked(i, false);
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}
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}
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}
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Array CodeEdit::get_bookmarked_lines() const {
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Array ret;
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_bookmarked(i)) {
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ret.append(i);
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}
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}
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return ret;
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}
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// executing lines
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void CodeEdit::set_line_as_executing(int p_line, bool p_executing) {
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int mask = get_line_gutter_metadata(p_line, main_gutter);
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set_line_gutter_metadata(p_line, main_gutter, p_executing ? mask | MAIN_GUTTER_EXECUTING : mask & ~MAIN_GUTTER_EXECUTING);
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update();
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}
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bool CodeEdit::is_line_executing(int p_line) const {
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return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_EXECUTING;
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}
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void CodeEdit::clear_executing_lines() {
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_executing(i)) {
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set_line_as_executing(i, false);
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}
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}
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}
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Array CodeEdit::get_executing_lines() const {
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Array ret;
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for (int i = 0; i < get_line_count(); i++) {
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if (is_line_executing(i)) {
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ret.append(i);
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}
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}
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return ret;
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}
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/* Line numbers */
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void CodeEdit::set_draw_line_numbers(bool p_draw) {
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set_gutter_draw(line_number_gutter, p_draw);
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}
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bool CodeEdit::is_draw_line_numbers_enabled() const {
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return is_gutter_drawn(line_number_gutter);
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}
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void CodeEdit::set_line_numbers_zero_padded(bool p_zero_padded) {
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p_zero_padded ? line_number_padding = "0" : line_number_padding = " ";
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update();
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}
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bool CodeEdit::is_line_numbers_zero_padded() const {
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return line_number_padding == "0";
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}
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void CodeEdit::_line_number_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
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String fc = String::num(p_line + 1).lpad(line_number_digits, line_number_padding);
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int yofs = p_region.position.y + (cache.row_height - cache.font->get_height()) / 2;
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Color number_color = get_line_gutter_item_color(p_line, line_number_gutter);
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if (number_color == Color(1, 1, 1)) {
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number_color = line_number_color;
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}
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cache.font->draw_string(get_canvas_item(), Point2(p_region.position.x, yofs + cache.font->get_ascent()), fc, HALIGN_LEFT, -1, cache.font_size, number_color);
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}
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/* Fold Gutter */
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void CodeEdit::set_draw_fold_gutter(bool p_draw) {
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set_gutter_draw(fold_gutter, p_draw);
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}
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bool CodeEdit::is_drawing_fold_gutter() const {
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return is_gutter_drawn(fold_gutter);
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}
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void CodeEdit::_fold_gutter_draw_callback(int p_line, int p_gutter, Rect2 p_region) {
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if (!can_fold(p_line) && !is_folded(p_line)) {
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set_line_gutter_clickable(p_line, fold_gutter, false);
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return;
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}
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set_line_gutter_clickable(p_line, fold_gutter, true);
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int horizontal_padding = p_region.size.x / 10;
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int vertical_padding = p_region.size.y / 6;
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p_region.position += Point2(horizontal_padding, vertical_padding);
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p_region.size -= Point2(horizontal_padding, vertical_padding) * 2;
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if (can_fold(p_line)) {
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can_fold_icon->draw_rect(get_canvas_item(), p_region, false, folding_color);
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return;
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}
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folded_icon->draw_rect(get_canvas_item(), p_region, false, folding_color);
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}
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void CodeEdit::_bind_methods() {
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/* Main Gutter */
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ClassDB::bind_method(D_METHOD("_main_gutter_draw_callback"), &CodeEdit::_main_gutter_draw_callback);
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ClassDB::bind_method(D_METHOD("set_draw_breakpoints_gutter", "enable"), &CodeEdit::set_draw_breakpoints_gutter);
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ClassDB::bind_method(D_METHOD("is_drawing_breakpoints_gutter"), &CodeEdit::is_drawing_breakpoints_gutter);
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ClassDB::bind_method(D_METHOD("set_draw_bookmarks_gutter", "enable"), &CodeEdit::set_draw_bookmarks_gutter);
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ClassDB::bind_method(D_METHOD("is_drawing_bookmarks_gutter"), &CodeEdit::is_drawing_bookmarks_gutter);
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ClassDB::bind_method(D_METHOD("set_draw_executing_lines_gutter", "enable"), &CodeEdit::set_draw_executing_lines_gutter);
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ClassDB::bind_method(D_METHOD("is_drawing_executing_lines_gutter"), &CodeEdit::is_drawing_executing_lines_gutter);
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// Breakpoints
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ClassDB::bind_method(D_METHOD("set_line_as_breakpoint", "line", "breakpointed"), &CodeEdit::set_line_as_breakpoint);
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ClassDB::bind_method(D_METHOD("is_line_breakpointed", "line"), &CodeEdit::is_line_breakpointed);
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ClassDB::bind_method(D_METHOD("clear_breakpointed_lines"), &CodeEdit::clear_breakpointed_lines);
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ClassDB::bind_method(D_METHOD("get_breakpointed_lines"), &CodeEdit::get_breakpointed_lines);
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// Bookmarks
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ClassDB::bind_method(D_METHOD("set_line_as_bookmarked", "line", "bookmarked"), &CodeEdit::set_line_as_bookmarked);
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ClassDB::bind_method(D_METHOD("is_line_bookmarked", "line"), &CodeEdit::is_line_bookmarked);
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ClassDB::bind_method(D_METHOD("clear_bookmarked_lines"), &CodeEdit::clear_bookmarked_lines);
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ClassDB::bind_method(D_METHOD("get_bookmarked_lines"), &CodeEdit::get_bookmarked_lines);
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// executing lines
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ClassDB::bind_method(D_METHOD("set_line_as_executing", "line", "executing"), &CodeEdit::set_line_as_executing);
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ClassDB::bind_method(D_METHOD("is_line_executing", "line"), &CodeEdit::is_line_executing);
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ClassDB::bind_method(D_METHOD("clear_executing_lines"), &CodeEdit::clear_executing_lines);
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ClassDB::bind_method(D_METHOD("get_executing_lines"), &CodeEdit::get_executing_lines);
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/* Line numbers */
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ClassDB::bind_method(D_METHOD("_line_number_draw_callback"), &CodeEdit::_line_number_draw_callback);
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ClassDB::bind_method(D_METHOD("set_draw_line_numbers", "enable"), &CodeEdit::set_draw_line_numbers);
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ClassDB::bind_method(D_METHOD("is_draw_line_numbers_enabled"), &CodeEdit::is_draw_line_numbers_enabled);
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ClassDB::bind_method(D_METHOD("set_line_numbers_zero_padded", "enable"), &CodeEdit::set_line_numbers_zero_padded);
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ClassDB::bind_method(D_METHOD("is_line_numbers_zero_padded"), &CodeEdit::is_line_numbers_zero_padded);
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/* Fold Gutter */
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ClassDB::bind_method(D_METHOD("_fold_gutter_draw_callback"), &CodeEdit::_fold_gutter_draw_callback);
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ClassDB::bind_method(D_METHOD("set_draw_fold_gutter", "enable"), &CodeEdit::set_draw_fold_gutter);
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ClassDB::bind_method(D_METHOD("is_drawing_fold_gutter"), &CodeEdit::is_drawing_fold_gutter);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_breakpoints_gutter"), "set_draw_breakpoints_gutter", "is_drawing_breakpoints_gutter");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_bookmarks"), "set_draw_bookmarks_gutter", "is_drawing_bookmarks_gutter");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_executing_lines"), "set_draw_executing_lines_gutter", "is_drawing_executing_lines_gutter");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_line_numbers"), "set_draw_line_numbers", "is_draw_line_numbers_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "zero_pad_line_numbers"), "set_line_numbers_zero_padded", "is_line_numbers_zero_padded");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_fold_gutter"), "set_draw_fold_gutter", "is_drawing_fold_gutter");
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ADD_SIGNAL(MethodInfo("breakpoint_toggled", PropertyInfo(Variant::INT, "line")));
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}
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void CodeEdit::_gutter_clicked(int p_line, int p_gutter) {
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if (p_gutter == main_gutter) {
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if (draw_breakpoints) {
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set_line_as_breakpoint(p_line, !is_line_breakpointed(p_line));
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}
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return;
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}
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if (p_gutter == line_number_gutter) {
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set_selection_mode(TextEdit::SelectionMode::SELECTION_MODE_LINE, p_line, 0);
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select(p_line, 0, p_line + 1, 0);
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cursor_set_line(p_line + 1);
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cursor_set_column(0);
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return;
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}
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if (p_gutter == fold_gutter) {
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if (is_folded(p_line)) {
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unfold_line(p_line);
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} else if (can_fold(p_line)) {
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fold_line(p_line);
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}
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return;
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}
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}
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void CodeEdit::_lines_edited_from(int p_from_line, int p_to_line) {
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if (p_from_line == p_to_line) {
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return;
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}
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int lc = get_line_count();
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line_number_digits = 1;
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while (lc /= 10) {
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line_number_digits++;
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}
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set_gutter_width(line_number_gutter, (line_number_digits + 1) * cache.font->get_char_size('0').width);
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int from_line = MIN(p_from_line, p_to_line);
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int line_count = (p_to_line - p_from_line);
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List<int> breakpoints;
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breakpointed_lines.get_key_list(&breakpoints);
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for (const List<int>::Element *E = breakpoints.front(); E; E = E->next()) {
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int line = E->get();
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if (line <= from_line) {
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continue;
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}
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breakpointed_lines.erase(line);
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emit_signal("breakpoint_toggled", line);
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if (line_count > 0 || line >= p_from_line) {
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emit_signal("breakpoint_toggled", line + line_count);
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breakpointed_lines[line + line_count] = true;
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continue;
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}
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}
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}
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void CodeEdit::_update_gutter_indexes() {
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for (int i = 0; i < get_gutter_count(); i++) {
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if (get_gutter_name(i) == "main_gutter") {
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main_gutter = i;
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continue;
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}
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if (get_gutter_name(i) == "line_numbers") {
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line_number_gutter = i;
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continue;
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}
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if (get_gutter_name(i) == "fold_gutter") {
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fold_gutter = i;
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continue;
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}
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}
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}
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CodeEdit::CodeEdit() {
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/* Gutters */
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int gutter_idx = 0;
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/* Main Gutter */
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add_gutter();
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set_gutter_name(gutter_idx, "main_gutter");
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set_gutter_draw(gutter_idx, false);
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set_gutter_overwritable(gutter_idx, true);
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set_gutter_type(gutter_idx, GUTTER_TPYE_CUSTOM);
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set_gutter_custom_draw(gutter_idx, this, "_main_gutter_draw_callback");
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gutter_idx++;
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/* Line numbers */
|
|
add_gutter();
|
|
set_gutter_name(gutter_idx, "line_numbers");
|
|
set_gutter_draw(gutter_idx, false);
|
|
set_gutter_type(gutter_idx, GUTTER_TPYE_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_TPYE_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("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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