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- /*************************************************************************/
- /* link_button.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2017 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);
- }
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