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297 lines
11 KiB
C++
297 lines
11 KiB
C++
/**************************************************************************/
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/* link_button.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "link_button.h"
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#include "core/string/translation.h"
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#include "scene/theme/theme_db.h"
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void LinkButton::_shape() {
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Ref<Font> font = theme_cache.font;
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int font_size = theme_cache.font_size;
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text_buf->clear();
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if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
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text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
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} else {
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text_buf->set_direction((TextServer::Direction)text_direction);
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}
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TS->shaped_text_set_bidi_override(text_buf->get_rid(), structured_text_parser(st_parser, st_args, xl_text));
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text_buf->add_string(xl_text, font, font_size, language);
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}
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void LinkButton::set_text(const String &p_text) {
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if (text == p_text) {
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return;
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}
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text = p_text;
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xl_text = atr(text);
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_shape();
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update_minimum_size();
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queue_redraw();
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}
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String LinkButton::get_text() const {
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return text;
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}
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void LinkButton::set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser) {
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if (st_parser != p_parser) {
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st_parser = p_parser;
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_shape();
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queue_redraw();
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}
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}
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TextServer::StructuredTextParser LinkButton::get_structured_text_bidi_override() const {
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return st_parser;
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}
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void LinkButton::set_structured_text_bidi_override_options(Array p_args) {
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st_args = p_args;
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_shape();
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queue_redraw();
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}
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Array LinkButton::get_structured_text_bidi_override_options() const {
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return st_args;
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}
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void LinkButton::set_text_direction(Control::TextDirection p_text_direction) {
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ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
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if (text_direction != p_text_direction) {
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text_direction = p_text_direction;
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_shape();
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queue_redraw();
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}
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}
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Control::TextDirection LinkButton::get_text_direction() const {
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return text_direction;
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}
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void LinkButton::set_language(const String &p_language) {
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if (language != p_language) {
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language = p_language;
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_shape();
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queue_redraw();
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}
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}
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String LinkButton::get_language() const {
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return language;
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}
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void LinkButton::set_uri(const String &p_uri) {
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uri = p_uri;
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}
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String LinkButton::get_uri() const {
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return uri;
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}
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void LinkButton::set_underline_mode(UnderlineMode p_underline_mode) {
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if (underline_mode == p_underline_mode) {
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return;
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}
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underline_mode = p_underline_mode;
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queue_redraw();
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}
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LinkButton::UnderlineMode LinkButton::get_underline_mode() const {
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return underline_mode;
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}
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Ref<Font> LinkButton::get_button_font() const {
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return theme_cache.font;
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}
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void LinkButton::pressed() {
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if (uri.is_empty()) {
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return;
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}
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OS::get_singleton()->shell_open(uri);
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}
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Size2 LinkButton::get_minimum_size() const {
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return text_buf->get_size();
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}
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void LinkButton::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_TRANSLATION_CHANGED: {
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xl_text = atr(text);
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_shape();
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update_minimum_size();
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queue_redraw();
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} break;
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case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
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queue_redraw();
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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_shape();
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update_minimum_size();
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queue_redraw();
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} break;
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case NOTIFICATION_DRAW: {
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RID ci = get_canvas_item();
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Size2 size = get_size();
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Color color;
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bool do_underline = false;
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switch (get_draw_mode()) {
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case DRAW_NORMAL: {
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if (has_focus()) {
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color = theme_cache.font_focus_color;
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} else {
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color = theme_cache.font_color;
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}
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do_underline = underline_mode == UNDERLINE_MODE_ALWAYS;
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} break;
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case DRAW_HOVER_PRESSED:
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case DRAW_PRESSED: {
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if (has_theme_color(SNAME("font_pressed_color"))) {
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color = theme_cache.font_pressed_color;
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} else {
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color = theme_cache.font_color;
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}
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do_underline = underline_mode != UNDERLINE_MODE_NEVER;
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} break;
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case DRAW_HOVER: {
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color = theme_cache.font_hover_color;
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do_underline = underline_mode != UNDERLINE_MODE_NEVER;
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} break;
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case DRAW_DISABLED: {
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color = theme_cache.font_disabled_color;
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do_underline = underline_mode == UNDERLINE_MODE_ALWAYS;
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} break;
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}
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if (has_focus()) {
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Ref<StyleBox> style = theme_cache.focus;
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style->draw(ci, Rect2(Point2(), size));
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}
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int width = text_buf->get_line_width();
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Color font_outline_color = theme_cache.font_outline_color;
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int outline_size = theme_cache.outline_size;
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if (is_layout_rtl()) {
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if (outline_size > 0 && font_outline_color.a > 0) {
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text_buf->draw_outline(get_canvas_item(), Vector2(size.width - width, 0), outline_size, font_outline_color);
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}
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text_buf->draw(get_canvas_item(), Vector2(size.width - width, 0), color);
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} else {
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if (outline_size > 0 && font_outline_color.a > 0) {
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text_buf->draw_outline(get_canvas_item(), Vector2(0, 0), outline_size, font_outline_color);
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}
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text_buf->draw(get_canvas_item(), Vector2(0, 0), color);
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}
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if (do_underline) {
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int underline_spacing = theme_cache.underline_spacing + text_buf->get_line_underline_position();
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int y = text_buf->get_line_ascent() + underline_spacing;
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int underline_thickness = MAX(1, text_buf->get_line_underline_thickness());
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if (is_layout_rtl()) {
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draw_line(Vector2(size.width - width, y), Vector2(size.width, y), color, underline_thickness);
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} else {
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draw_line(Vector2(0, y), Vector2(width, y), color, underline_thickness);
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}
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}
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} break;
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}
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}
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void LinkButton::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_text", "text"), &LinkButton::set_text);
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ClassDB::bind_method(D_METHOD("get_text"), &LinkButton::get_text);
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ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &LinkButton::set_text_direction);
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ClassDB::bind_method(D_METHOD("get_text_direction"), &LinkButton::get_text_direction);
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ClassDB::bind_method(D_METHOD("set_language", "language"), &LinkButton::set_language);
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ClassDB::bind_method(D_METHOD("get_language"), &LinkButton::get_language);
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ClassDB::bind_method(D_METHOD("set_uri", "uri"), &LinkButton::set_uri);
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ClassDB::bind_method(D_METHOD("get_uri"), &LinkButton::get_uri);
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ClassDB::bind_method(D_METHOD("set_underline_mode", "underline_mode"), &LinkButton::set_underline_mode);
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ClassDB::bind_method(D_METHOD("get_underline_mode"), &LinkButton::get_underline_mode);
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ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &LinkButton::set_structured_text_bidi_override);
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ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &LinkButton::get_structured_text_bidi_override);
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ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &LinkButton::set_structured_text_bidi_override_options);
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ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &LinkButton::get_structured_text_bidi_override_options);
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BIND_ENUM_CONSTANT(UNDERLINE_MODE_ALWAYS);
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BIND_ENUM_CONSTANT(UNDERLINE_MODE_ON_HOVER);
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BIND_ENUM_CONSTANT(UNDERLINE_MODE_NEVER);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "underline", PROPERTY_HINT_ENUM, "Always,On Hover,Never"), "set_underline_mode", "get_underline_mode");
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "uri"), "set_uri", "get_uri");
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ADD_GROUP("BiDi", "");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
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BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, LinkButton, focus);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_focus_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_pressed_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_hover_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_hover_pressed_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_disabled_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_FONT, LinkButton, font);
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BIND_THEME_ITEM(Theme::DATA_TYPE_FONT_SIZE, LinkButton, font_size);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, LinkButton, outline_size);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_outline_color);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, LinkButton, underline_spacing);
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}
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LinkButton::LinkButton(const String &p_text) {
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text_buf.instantiate();
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set_focus_mode(FOCUS_NONE);
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set_default_cursor_shape(CURSOR_POINTING_HAND);
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set_text(p_text);
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}
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