mirror of
				https://github.com/godotengine/godot.git
				synced 2025-10-25 10:44:26 +00:00 
			
		
		
		
	 73d85f46c9
			
		
	
	
		73d85f46c9
		
	
	
	
	
		
			
			Co-authored-by: Thaddeus Crews <repiteo@outlook.com> Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
		
			
				
	
	
		
			295 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			295 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**************************************************************************/
 | |
| /*  link_button.cpp                                                       */
 | |
| /**************************************************************************/
 | |
| /*                         This file is part of:                          */
 | |
| /*                             GODOT ENGINE                               */
 | |
| /*                        https://godotengine.org                         */
 | |
| /**************************************************************************/
 | |
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
 | |
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
 | |
| /*                                                                        */
 | |
| /* 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 "link_button.h"
 | |
| 
 | |
| #include "scene/theme/theme_db.h"
 | |
| 
 | |
| void LinkButton::_shape() {
 | |
| 	Ref<Font> font = theme_cache.font;
 | |
| 	int font_size = theme_cache.font_size;
 | |
| 
 | |
| 	text_buf->clear();
 | |
| 	if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
 | |
| 		text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
 | |
| 	} else {
 | |
| 		text_buf->set_direction((TextServer::Direction)text_direction);
 | |
| 	}
 | |
| 	TS->shaped_text_set_bidi_override(text_buf->get_rid(), structured_text_parser(st_parser, st_args, xl_text));
 | |
| 	text_buf->add_string(xl_text, font, font_size, language);
 | |
| }
 | |
| 
 | |
| void LinkButton::set_text(const String &p_text) {
 | |
| 	if (text == p_text) {
 | |
| 		return;
 | |
| 	}
 | |
| 	text = p_text;
 | |
| 	xl_text = atr(text);
 | |
| 	_shape();
 | |
| 	update_minimum_size();
 | |
| 	queue_redraw();
 | |
| }
 | |
| 
 | |
| String LinkButton::get_text() const {
 | |
| 	return text;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser) {
 | |
| 	if (st_parser != p_parser) {
 | |
| 		st_parser = p_parser;
 | |
| 		_shape();
 | |
| 		queue_redraw();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| TextServer::StructuredTextParser LinkButton::get_structured_text_bidi_override() const {
 | |
| 	return st_parser;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_structured_text_bidi_override_options(Array p_args) {
 | |
| 	st_args = p_args;
 | |
| 	_shape();
 | |
| 	queue_redraw();
 | |
| }
 | |
| 
 | |
| Array LinkButton::get_structured_text_bidi_override_options() const {
 | |
| 	return st_args;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_text_direction(Control::TextDirection p_text_direction) {
 | |
| 	ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
 | |
| 	if (text_direction != p_text_direction) {
 | |
| 		text_direction = p_text_direction;
 | |
| 		_shape();
 | |
| 		queue_redraw();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Control::TextDirection LinkButton::get_text_direction() const {
 | |
| 	return text_direction;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_language(const String &p_language) {
 | |
| 	if (language != p_language) {
 | |
| 		language = p_language;
 | |
| 		_shape();
 | |
| 		queue_redraw();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| String LinkButton::get_language() const {
 | |
| 	return language;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_uri(const String &p_uri) {
 | |
| 	uri = p_uri;
 | |
| }
 | |
| 
 | |
| String LinkButton::get_uri() const {
 | |
| 	return uri;
 | |
| }
 | |
| 
 | |
| void LinkButton::set_underline_mode(UnderlineMode p_underline_mode) {
 | |
| 	if (underline_mode == p_underline_mode) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	underline_mode = p_underline_mode;
 | |
| 	queue_redraw();
 | |
| }
 | |
| 
 | |
| LinkButton::UnderlineMode LinkButton::get_underline_mode() const {
 | |
| 	return underline_mode;
 | |
| }
 | |
| 
 | |
| Ref<Font> LinkButton::get_button_font() const {
 | |
| 	return theme_cache.font;
 | |
| }
 | |
| 
 | |
| void LinkButton::pressed() {
 | |
| 	if (uri.is_empty()) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	OS::get_singleton()->shell_open(uri);
 | |
| }
 | |
| 
 | |
| Size2 LinkButton::get_minimum_size() const {
 | |
| 	return text_buf->get_size();
 | |
| }
 | |
| 
 | |
| void LinkButton::_notification(int p_what) {
 | |
| 	switch (p_what) {
 | |
| 		case NOTIFICATION_TRANSLATION_CHANGED: {
 | |
| 			xl_text = atr(text);
 | |
| 			_shape();
 | |
| 			update_minimum_size();
 | |
| 			queue_redraw();
 | |
| 		} break;
 | |
| 
 | |
| 		case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
 | |
| 			queue_redraw();
 | |
| 		} break;
 | |
| 
 | |
| 		case NOTIFICATION_THEME_CHANGED: {
 | |
| 			_shape();
 | |
| 			update_minimum_size();
 | |
| 			queue_redraw();
 | |
| 		} break;
 | |
| 
 | |
| 		case NOTIFICATION_DRAW: {
 | |
| 			RID ci = get_canvas_item();
 | |
| 			Size2 size = get_size();
 | |
| 			Color color;
 | |
| 			bool do_underline = false;
 | |
| 
 | |
| 			switch (get_draw_mode()) {
 | |
| 				case DRAW_NORMAL: {
 | |
| 					if (has_focus()) {
 | |
| 						color = theme_cache.font_focus_color;
 | |
| 					} else {
 | |
| 						color = theme_cache.font_color;
 | |
| 					}
 | |
| 
 | |
| 					do_underline = underline_mode == UNDERLINE_MODE_ALWAYS;
 | |
| 				} break;
 | |
| 				case DRAW_HOVER_PRESSED:
 | |
| 				case DRAW_PRESSED: {
 | |
| 					if (has_theme_color(SNAME("font_pressed_color"))) {
 | |
| 						color = theme_cache.font_pressed_color;
 | |
| 					} else {
 | |
| 						color = theme_cache.font_color;
 | |
| 					}
 | |
| 
 | |
| 					do_underline = underline_mode != UNDERLINE_MODE_NEVER;
 | |
| 
 | |
| 				} break;
 | |
| 				case DRAW_HOVER: {
 | |
| 					color = theme_cache.font_hover_color;
 | |
| 					do_underline = underline_mode != UNDERLINE_MODE_NEVER;
 | |
| 
 | |
| 				} break;
 | |
| 				case DRAW_DISABLED: {
 | |
| 					color = theme_cache.font_disabled_color;
 | |
| 					do_underline = underline_mode == UNDERLINE_MODE_ALWAYS;
 | |
| 
 | |
| 				} break;
 | |
| 			}
 | |
| 
 | |
| 			if (has_focus()) {
 | |
| 				Ref<StyleBox> style = theme_cache.focus;
 | |
| 				style->draw(ci, Rect2(Point2(), size));
 | |
| 			}
 | |
| 
 | |
| 			int width = text_buf->get_line_width();
 | |
| 
 | |
| 			Color font_outline_color = theme_cache.font_outline_color;
 | |
| 			int outline_size = theme_cache.outline_size;
 | |
| 			if (is_layout_rtl()) {
 | |
| 				if (outline_size > 0 && font_outline_color.a > 0) {
 | |
| 					text_buf->draw_outline(get_canvas_item(), Vector2(size.width - width, 0), outline_size, font_outline_color);
 | |
| 				}
 | |
| 				text_buf->draw(get_canvas_item(), Vector2(size.width - width, 0), color);
 | |
| 			} else {
 | |
| 				if (outline_size > 0 && font_outline_color.a > 0) {
 | |
| 					text_buf->draw_outline(get_canvas_item(), Vector2(0, 0), outline_size, font_outline_color);
 | |
| 				}
 | |
| 				text_buf->draw(get_canvas_item(), Vector2(0, 0), color);
 | |
| 			}
 | |
| 
 | |
| 			if (do_underline) {
 | |
| 				int underline_spacing = theme_cache.underline_spacing + text_buf->get_line_underline_position();
 | |
| 				int y = text_buf->get_line_ascent() + underline_spacing;
 | |
| 				int underline_thickness = MAX(1, text_buf->get_line_underline_thickness());
 | |
| 
 | |
| 				if (is_layout_rtl()) {
 | |
| 					draw_line(Vector2(size.width - width, y), Vector2(size.width, y), color, underline_thickness);
 | |
| 				} else {
 | |
| 					draw_line(Vector2(0, y), Vector2(width, y), color, underline_thickness);
 | |
| 				}
 | |
| 			}
 | |
| 		} break;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void LinkButton::_bind_methods() {
 | |
| 	ClassDB::bind_method(D_METHOD("set_text", "text"), &LinkButton::set_text);
 | |
| 	ClassDB::bind_method(D_METHOD("get_text"), &LinkButton::get_text);
 | |
| 	ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &LinkButton::set_text_direction);
 | |
| 	ClassDB::bind_method(D_METHOD("get_text_direction"), &LinkButton::get_text_direction);
 | |
| 	ClassDB::bind_method(D_METHOD("set_language", "language"), &LinkButton::set_language);
 | |
| 	ClassDB::bind_method(D_METHOD("get_language"), &LinkButton::get_language);
 | |
| 	ClassDB::bind_method(D_METHOD("set_uri", "uri"), &LinkButton::set_uri);
 | |
| 	ClassDB::bind_method(D_METHOD("get_uri"), &LinkButton::get_uri);
 | |
| 	ClassDB::bind_method(D_METHOD("set_underline_mode", "underline_mode"), &LinkButton::set_underline_mode);
 | |
| 	ClassDB::bind_method(D_METHOD("get_underline_mode"), &LinkButton::get_underline_mode);
 | |
| 	ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &LinkButton::set_structured_text_bidi_override);
 | |
| 	ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &LinkButton::get_structured_text_bidi_override);
 | |
| 	ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &LinkButton::set_structured_text_bidi_override_options);
 | |
| 	ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &LinkButton::get_structured_text_bidi_override_options);
 | |
| 
 | |
| 	BIND_ENUM_CONSTANT(UNDERLINE_MODE_ALWAYS);
 | |
| 	BIND_ENUM_CONSTANT(UNDERLINE_MODE_ON_HOVER);
 | |
| 	BIND_ENUM_CONSTANT(UNDERLINE_MODE_NEVER);
 | |
| 
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::INT, "underline", PROPERTY_HINT_ENUM, "Always,On Hover,Never"), "set_underline_mode", "get_underline_mode");
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "uri"), "set_uri", "get_uri");
 | |
| 
 | |
| 	ADD_GROUP("BiDi", "");
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
 | |
| 	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");
 | |
| 	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
 | |
| 
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, LinkButton, focus);
 | |
| 
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_color);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_focus_color);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_pressed_color);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_hover_color);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_hover_pressed_color);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_disabled_color);
 | |
| 
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_FONT, LinkButton, font);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_FONT_SIZE, LinkButton, font_size);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, LinkButton, outline_size);
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, LinkButton, font_outline_color);
 | |
| 
 | |
| 	BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, LinkButton, underline_spacing);
 | |
| }
 | |
| 
 | |
| LinkButton::LinkButton(const String &p_text) {
 | |
| 	text_buf.instantiate();
 | |
| 	set_focus_mode(FOCUS_NONE);
 | |
| 	set_default_cursor_shape(CURSOR_POINTING_HAND);
 | |
| 
 | |
| 	set_text(p_text);
 | |
| }
 |