/*************************************************************************/ /* link_button.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 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" void LinkButton::set_text(const String &p_text) { text = p_text; update(); minimum_size_changed(); } String LinkButton::get_text() const { return text; } void LinkButton::set_underline_mode(UnderlineMode p_underline_mode) { underline_mode = p_underline_mode; update(); } LinkButton::UnderlineMode LinkButton::get_underline_mode() const { return underline_mode; } Size2 LinkButton::get_minimum_size() const { return get_font("font")->get_string_size(text); } void LinkButton::_notification(int p_what) { switch (p_what) { case NOTIFICATION_DRAW: { RID ci = get_canvas_item(); Size2 size = get_size(); Color color; bool do_underline = false; //print_line(get_text()+": "+itos(is_flat())+" hover "+itos(get_draw_mode())); switch (get_draw_mode()) { case DRAW_NORMAL: { color = get_color("font_color"); do_underline = underline_mode == UNDERLINE_MODE_ALWAYS; } break; case DRAW_PRESSED: { if (has_color("font_color_pressed")) color = get_color("font_color_pressed"); else color = get_color("font_color"); do_underline = underline_mode != UNDERLINE_MODE_NEVER; } break; case DRAW_HOVER: { color = get_color("font_color_hover"); do_underline = underline_mode != UNDERLINE_MODE_NEVER; } break; case DRAW_DISABLED: { color = get_color("font_color_disabled"); do_underline = underline_mode == UNDERLINE_MODE_ALWAYS; } break; } if (has_focus()) { Ref<StyleBox> style = get_stylebox("focus"); style->draw(ci, Rect2(Point2(), size)); } Ref<Font> font = get_font("font"); draw_string(font, Vector2(0, font->get_ascent()), text, color); if (do_underline) { int underline_spacing = get_constant("underline_spacing"); int width = font->get_string_size(text).width; int y = font->get_ascent() + underline_spacing; draw_line(Vector2(0, y), Vector2(width, y), color); } } 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_underline_mode", "underline_mode"), &LinkButton::set_underline_mode); ClassDB::bind_method(D_METHOD("get_underline_mode"), &LinkButton::get_underline_mode); BIND_ENUM_CONSTANT(UNDERLINE_MODE_ALWAYS); BIND_ENUM_CONSTANT(UNDERLINE_MODE_ON_HOVER); BIND_ENUM_CONSTANT(UNDERLINE_MODE_NEVER); ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text"); ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "underline", PROPERTY_HINT_ENUM, "Always,On Hover,Never"), "set_underline_mode", "get_underline_mode"); } LinkButton::LinkButton() { underline_mode = UNDERLINE_MODE_ALWAYS; set_enabled_focus_mode(FOCUS_NONE); set_default_cursor_shape(CURSOR_POINTING_HAND); }