386 lines
13 KiB
C++
386 lines
13 KiB
C++
/*************************************************************************/
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/* option_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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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 "option_button.h"
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#include "core/print_string.h"
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static const int NONE_SELECTED = -1;
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Size2 OptionButton::get_minimum_size() const {
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Size2 minsize = Button::get_minimum_size();
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if (has_icon("arrow")) {
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const Size2 padding = get_stylebox("normal")->get_minimum_size();
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const Size2 arrow_size = Control::get_icon("arrow")->get_size();
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Size2 content_size = minsize - padding;
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content_size.width += arrow_size.width + get_constant("hseparation");
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content_size.height = MAX(content_size.height, arrow_size.height);
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minsize = content_size + padding;
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}
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return minsize;
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}
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void OptionButton::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_DRAW: {
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if (!has_icon("arrow")) {
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return;
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}
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RID ci = get_canvas_item();
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Ref<Texture> arrow = Control::get_icon("arrow");
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Color clr = Color(1, 1, 1);
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if (get_constant("modulate_arrow")) {
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switch (get_draw_mode()) {
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case DRAW_PRESSED:
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clr = get_color("font_color_pressed");
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break;
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case DRAW_HOVER:
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clr = get_color("font_color_hover");
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break;
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case DRAW_DISABLED:
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clr = get_color("font_color_disabled");
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break;
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default:
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if (has_focus()) {
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clr = get_color("font_color_focus");
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} else {
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clr = get_color("font_color");
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}
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}
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}
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Size2 size = get_size();
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Point2 ofs(size.width - arrow->get_width() - get_constant("arrow_margin"), int(Math::abs((size.height - arrow->get_height()) / 2)));
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arrow->draw(ci, ofs, clr);
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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if (has_icon("arrow")) {
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_set_internal_margin(MARGIN_RIGHT, Control::get_icon("arrow")->get_width());
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}
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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if (!is_visible_in_tree()) {
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popup->hide();
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}
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} break;
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}
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}
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void OptionButton::_focused(int p_which) {
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emit_signal("item_focused", p_which);
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}
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void OptionButton::_selected(int p_which) {
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_select(p_which, true);
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}
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void OptionButton::pressed() {
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Size2 size = get_size();
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popup->set_global_position(get_global_position() + Size2(0, size.height * get_global_transform().get_scale().y));
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popup->set_size(Size2(size.width, 0));
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popup->set_scale(get_global_transform().get_scale());
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// If not triggered by the mouse, start the popup with the checked item (or the first enabled one) focused.
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if (!_was_pressed_by_mouse()) {
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if (current > -1 && !popup->is_item_disabled(current)) {
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popup->set_current_index(current);
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} else {
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for (int i = 0; i < popup->get_item_count(); i++) {
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if (!popup->is_item_disabled(i)) {
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popup->set_current_index(i);
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break;
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}
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}
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}
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}
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popup->popup();
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}
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void OptionButton::add_icon_item(const Ref<Texture> &p_icon, const String &p_label, int p_id) {
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popup->add_icon_radio_check_item(p_icon, p_label, p_id);
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if (popup->get_item_count() == 1) {
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select(0);
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}
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}
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void OptionButton::add_item(const String &p_label, int p_id) {
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popup->add_radio_check_item(p_label, p_id);
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if (popup->get_item_count() == 1) {
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select(0);
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}
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}
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void OptionButton::set_item_text(int p_idx, const String &p_text) {
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popup->set_item_text(p_idx, p_text);
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if (current == p_idx) {
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set_text(p_text);
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}
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}
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void OptionButton::set_item_icon(int p_idx, const Ref<Texture> &p_icon) {
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popup->set_item_icon(p_idx, p_icon);
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if (current == p_idx) {
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set_icon(p_icon);
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}
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}
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void OptionButton::set_item_id(int p_idx, int p_id) {
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popup->set_item_id(p_idx, p_id);
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}
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void OptionButton::set_item_metadata(int p_idx, const Variant &p_metadata) {
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popup->set_item_metadata(p_idx, p_metadata);
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}
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void OptionButton::set_item_tooltip(int p_idx, const String &p_tooltip) {
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popup->set_item_tooltip(p_idx, p_tooltip);
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}
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void OptionButton::set_item_disabled(int p_idx, bool p_disabled) {
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popup->set_item_disabled(p_idx, p_disabled);
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}
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String OptionButton::get_item_text(int p_idx) const {
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return popup->get_item_text(p_idx);
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}
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Ref<Texture> OptionButton::get_item_icon(int p_idx) const {
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return popup->get_item_icon(p_idx);
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}
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int OptionButton::get_item_id(int p_idx) const {
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if (p_idx == NONE_SELECTED) {
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return NONE_SELECTED;
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}
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return popup->get_item_id(p_idx);
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}
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int OptionButton::get_item_index(int p_id) const {
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return popup->get_item_index(p_id);
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}
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Variant OptionButton::get_item_metadata(int p_idx) const {
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return popup->get_item_metadata(p_idx);
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}
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String OptionButton::get_item_tooltip(int p_idx) const {
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return popup->get_item_tooltip(p_idx);
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}
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bool OptionButton::is_item_disabled(int p_idx) const {
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return popup->is_item_disabled(p_idx);
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}
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int OptionButton::get_item_count() const {
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return popup->get_item_count();
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}
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void OptionButton::add_separator() {
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popup->add_separator();
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}
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void OptionButton::clear() {
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popup->clear();
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set_text("");
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current = NONE_SELECTED;
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}
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void OptionButton::_select(int p_which, bool p_emit) {
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if (p_which == current) {
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return;
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}
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if (p_which == NONE_SELECTED) {
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for (int i = 0; i < popup->get_item_count(); i++) {
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popup->set_item_checked(i, false);
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}
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current = NONE_SELECTED;
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set_text("");
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set_icon(NULL);
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} else {
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ERR_FAIL_INDEX(p_which, popup->get_item_count());
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for (int i = 0; i < popup->get_item_count(); i++) {
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popup->set_item_checked(i, i == p_which);
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}
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current = p_which;
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set_text(popup->get_item_text(current));
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set_icon(popup->get_item_icon(current));
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}
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if (is_inside_tree() && p_emit) {
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emit_signal("item_selected", current);
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}
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}
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void OptionButton::_select_int(int p_which) {
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if (p_which < NONE_SELECTED || p_which >= popup->get_item_count()) {
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return;
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}
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_select(p_which, false);
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}
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void OptionButton::select(int p_idx) {
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_select(p_idx, false);
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}
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int OptionButton::get_selected() const {
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return current;
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}
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int OptionButton::get_selected_id() const {
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return get_item_id(current);
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}
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Variant OptionButton::get_selected_metadata() const {
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int idx = get_selected();
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if (idx < 0) {
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return Variant();
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}
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return get_item_metadata(current);
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}
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void OptionButton::remove_item(int p_idx) {
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popup->remove_item(p_idx);
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if (current == p_idx) {
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_select(NONE_SELECTED);
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}
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}
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PopupMenu *OptionButton::get_popup() const {
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return popup;
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}
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Array OptionButton::_get_items() const {
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Array items;
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for (int i = 0; i < get_item_count(); i++) {
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items.push_back(get_item_text(i));
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items.push_back(get_item_icon(i));
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items.push_back(is_item_disabled(i));
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items.push_back(get_item_id(i));
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items.push_back(get_item_metadata(i));
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}
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return items;
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}
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void OptionButton::_set_items(const Array &p_items) {
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ERR_FAIL_COND(p_items.size() % 5);
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clear();
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for (int i = 0; i < p_items.size(); i += 5) {
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String text = p_items[i + 0];
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Ref<Texture> icon = p_items[i + 1];
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bool disabled = p_items[i + 2];
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int id = p_items[i + 3];
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Variant meta = p_items[i + 4];
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int idx = get_item_count();
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add_item(text, id);
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set_item_icon(idx, icon);
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set_item_disabled(idx, disabled);
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set_item_metadata(idx, meta);
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}
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}
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void OptionButton::get_translatable_strings(List<String> *p_strings) const {
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popup->get_translatable_strings(p_strings);
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}
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void OptionButton::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_selected"), &OptionButton::_selected);
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ClassDB::bind_method(D_METHOD("_focused"), &OptionButton::_focused);
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ClassDB::bind_method(D_METHOD("add_item", "label", "id"), &OptionButton::add_item, DEFVAL(-1));
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ClassDB::bind_method(D_METHOD("add_icon_item", "texture", "label", "id"), &OptionButton::add_icon_item, DEFVAL(-1));
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ClassDB::bind_method(D_METHOD("set_item_text", "idx", "text"), &OptionButton::set_item_text);
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ClassDB::bind_method(D_METHOD("set_item_icon", "idx", "texture"), &OptionButton::set_item_icon);
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ClassDB::bind_method(D_METHOD("set_item_disabled", "idx", "disabled"), &OptionButton::set_item_disabled);
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ClassDB::bind_method(D_METHOD("set_item_id", "idx", "id"), &OptionButton::set_item_id);
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ClassDB::bind_method(D_METHOD("set_item_metadata", "idx", "metadata"), &OptionButton::set_item_metadata);
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ClassDB::bind_method(D_METHOD("set_item_tooltip", "idx", "tooltip"), &OptionButton::set_item_tooltip);
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ClassDB::bind_method(D_METHOD("get_item_text", "idx"), &OptionButton::get_item_text);
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ClassDB::bind_method(D_METHOD("get_item_icon", "idx"), &OptionButton::get_item_icon);
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ClassDB::bind_method(D_METHOD("get_item_id", "idx"), &OptionButton::get_item_id);
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ClassDB::bind_method(D_METHOD("get_item_index", "id"), &OptionButton::get_item_index);
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ClassDB::bind_method(D_METHOD("get_item_metadata", "idx"), &OptionButton::get_item_metadata);
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ClassDB::bind_method(D_METHOD("get_item_tooltip", "idx"), &OptionButton::get_item_tooltip);
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ClassDB::bind_method(D_METHOD("is_item_disabled", "idx"), &OptionButton::is_item_disabled);
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ClassDB::bind_method(D_METHOD("get_item_count"), &OptionButton::get_item_count);
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ClassDB::bind_method(D_METHOD("add_separator"), &OptionButton::add_separator);
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ClassDB::bind_method(D_METHOD("clear"), &OptionButton::clear);
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ClassDB::bind_method(D_METHOD("select", "idx"), &OptionButton::select);
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ClassDB::bind_method(D_METHOD("get_selected"), &OptionButton::get_selected);
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ClassDB::bind_method(D_METHOD("get_selected_id"), &OptionButton::get_selected_id);
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ClassDB::bind_method(D_METHOD("get_selected_metadata"), &OptionButton::get_selected_metadata);
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ClassDB::bind_method(D_METHOD("remove_item", "idx"), &OptionButton::remove_item);
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ClassDB::bind_method(D_METHOD("_select_int"), &OptionButton::_select_int);
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ClassDB::bind_method(D_METHOD("get_popup"), &OptionButton::get_popup);
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ClassDB::bind_method(D_METHOD("_set_items"), &OptionButton::_set_items);
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ClassDB::bind_method(D_METHOD("_get_items"), &OptionButton::_get_items);
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_items", "_get_items");
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// "selected" property must come after "items", otherwise GH-10213 occurs.
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ADD_PROPERTY(PropertyInfo(Variant::INT, "selected"), "_select_int", "get_selected");
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ADD_SIGNAL(MethodInfo("item_selected", PropertyInfo(Variant::INT, "index")));
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ADD_SIGNAL(MethodInfo("item_focused", PropertyInfo(Variant::INT, "index")));
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}
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OptionButton::OptionButton() {
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current = -1;
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set_toggle_mode(true);
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set_text_align(ALIGN_LEFT);
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set_action_mode(ACTION_MODE_BUTTON_PRESS);
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if (has_icon("arrow")) {
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_set_internal_margin(MARGIN_RIGHT, Control::get_icon("arrow")->get_width());
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}
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popup = memnew(PopupMenu);
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popup->hide();
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add_child(popup);
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popup->set_pass_on_modal_close_click(false);
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popup->set_notify_transform(true);
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popup->set_allow_search(true);
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popup->connect("index_pressed", this, "_selected");
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popup->connect("id_focused", this, "_focused");
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popup->connect("popup_hide", this, "set_pressed", varray(false));
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}
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OptionButton::~OptionButton() {
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}
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