132 lines
5 KiB
C++
132 lines
5 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) 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 "link_button.h"
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void LinkButton::set_text(const String &p_text) {
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text = p_text;
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update();
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minimum_size_changed();
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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_underline_mode(UnderlineMode p_underline_mode) {
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underline_mode = p_underline_mode;
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update();
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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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Size2 LinkButton::get_minimum_size() const {
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return get_theme_font("font")->get_string_size(text);
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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_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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color = get_theme_color("font_color");
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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("font_color_pressed")) {
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color = get_theme_color("font_color_pressed");
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} else {
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color = get_theme_color("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 = get_theme_color("font_color_hover");
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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 = get_theme_color("font_color_disabled");
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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 = get_theme_stylebox("focus");
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style->draw(ci, Rect2(Point2(), size));
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}
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Ref<Font> font = get_theme_font("font");
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draw_string(font, Vector2(0, font->get_ascent()), text, color);
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if (do_underline) {
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int underline_spacing = get_theme_constant("underline_spacing") + font->get_underline_position();
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int width = font->get_string_size(text).width;
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int y = font->get_ascent() + underline_spacing;
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draw_line(Vector2(0, y), Vector2(width, y), color, font->get_underline_thickness());
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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_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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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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}
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LinkButton::LinkButton() {
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underline_mode = UNDERLINE_MODE_ALWAYS;
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set_default_cursor_shape(CURSOR_POINTING_HAND);
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}
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