/*************************************************************************/ /* link_button.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 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 "link_button.h" #include "core/string/translation.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_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; } Size2 LinkButton::get_minimum_size() const { return text_buf->get_size(); } void LinkButton::_update_theme_item_cache() { BaseButton::_update_theme_item_cache(); theme_cache.focus = get_theme_stylebox(SNAME("focus")); theme_cache.font_color = get_theme_color(SNAME("font_color")); theme_cache.font_focus_color = get_theme_color(SNAME("font_focus_color")); theme_cache.font_pressed_color = get_theme_color(SNAME("font_pressed_color")); theme_cache.font_hover_color = get_theme_color(SNAME("font_hover_color")); theme_cache.font_hover_pressed_color = get_theme_color(SNAME("font_hover_pressed_color")); theme_cache.font_disabled_color = get_theme_color(SNAME("font_disabled_color")); theme_cache.font = get_theme_font(SNAME("font")); theme_cache.font_size = get_theme_font_size(SNAME("font_size")); theme_cache.outline_size = get_theme_constant(SNAME("outline_size")); theme_cache.font_outline_color = get_theme_color(SNAME("font_outline_color")); theme_cache.underline_spacing = get_theme_constant(SNAME("underline_spacing")); } 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; if (is_layout_rtl()) { draw_line(Vector2(size.width - width, y), Vector2(size.width, y), color, text_buf->get_line_underline_thickness()); } else { draw_line(Vector2(0, y), Vector2(width, y), color, text_buf->get_line_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_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_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"); } 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); }