132 lines
5.5 KiB
C++
132 lines
5.5 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(line_number_gutter, (line_number_digits + 1) * cache.font->get_char_size('0').width);
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line_number_color = get_theme_color("line_number_color");
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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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/* 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 = region.position.y + (cache.row_height - cache.font->get_height()) / 2;
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cache.font->draw(get_canvas_item(), Point2(region.position.x, yofs + cache.font->get_ascent()), fc, line_number_color);
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}
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void CodeEdit::_bind_methods() {
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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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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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}
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void CodeEdit::_gutter_clicked(int p_line, int p_gutter) {
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if (p_gutter == line_number_gutter) {
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cursor_set_line(p_line);
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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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int line_count = get_line_count();
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if (line_count != cached_line_count) {
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int lc = 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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cached_line_count = line_count;
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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) == "line_numbers") {
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line_number_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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/* Line numbers */
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add_gutter();
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set_gutter_name(0, "line_numbers");
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set_gutter_draw(0, false);
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set_gutter_type(0, GUTTER_TPYE_CUSTOM);
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set_gutter_custom_draw(0, this, "_line_number_draw_callback");
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connect("lines_edited_from", callable_mp(this, &CodeEdit::_lines_edited_from));
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connect("gutter_clicked", callable_mp(this, &CodeEdit::_gutter_clicked));
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connect("gutter_added", callable_mp(this, &CodeEdit::_update_gutter_indexes));
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connect("gutter_removed", callable_mp(this, &CodeEdit::_update_gutter_indexes));
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_update_gutter_indexes();
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}
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CodeEdit::~CodeEdit() {
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}
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