160 lines
5.1 KiB
C++
160 lines
5.1 KiB
C++
/*************************************************************************/
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/* button_group.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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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 "button_group.h"
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#include "base_button.h"
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void ButtonGroup::_add_button(BaseButton *p_button) {
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buttons.insert(p_button);
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p_button->set_toggle_mode(true);
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p_button->set_click_on_press(true);
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p_button->connect("pressed", this, "_pressed", make_binds(p_button));
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}
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void ButtonGroup::_remove_button(BaseButton *p_button) {
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buttons.erase(p_button);
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p_button->disconnect("pressed", this, "_pressed");
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}
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void ButtonGroup::set_pressed_button(BaseButton *p_button) {
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_pressed(p_button);
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}
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void ButtonGroup::_pressed(Object *p_button) {
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ERR_FAIL_NULL(p_button);
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BaseButton *b = p_button->cast_to<BaseButton>();
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ERR_FAIL_COND(!b);
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for (Set<BaseButton *>::Element *E = buttons.front(); E; E = E->next()) {
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BaseButton *bb = E->get();
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bb->set_pressed(b == bb);
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if (b == bb) {
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emit_signal("button_selected", b);
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}
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}
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}
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Array ButtonGroup::_get_button_list() const {
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List<BaseButton *> b;
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get_button_list(&b);
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b.sort_custom<Node::Comparator>();
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Array arr;
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arr.resize(b.size());
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int idx = 0;
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for (List<BaseButton *>::Element *E = b.front(); E; E = E->next(), idx++) {
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arr[idx] = E->get();
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}
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return arr;
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}
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void ButtonGroup::get_button_list(List<BaseButton *> *p_buttons) const {
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for (Set<BaseButton *>::Element *E = buttons.front(); E; E = E->next()) {
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p_buttons->push_back(E->get());
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}
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}
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BaseButton *ButtonGroup::get_pressed_button() const {
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for (Set<BaseButton *>::Element *E = buttons.front(); E; E = E->next()) {
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if (E->get()->is_pressed())
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return E->get();
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}
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return NULL;
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}
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BaseButton *ButtonGroup::get_focused_button() const {
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for (Set<BaseButton *>::Element *E = buttons.front(); E; E = E->next()) {
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if (E->get()->has_focus())
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return E->get();
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}
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return NULL;
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}
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int ButtonGroup::get_pressed_button_index() const {
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//in tree order, this is bizarre
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ERR_FAIL_COND_V(!is_inside_tree(), 0);
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BaseButton *pressed = get_pressed_button();
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if (!pressed)
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return -1;
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List<BaseButton *> blist;
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for (Set<BaseButton *>::Element *E = buttons.front(); E; E = E->next()) {
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blist.push_back(E->get());
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}
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blist.sort_custom<Node::Comparator>();
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int idx = 0;
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for (List<BaseButton *>::Element *E = blist.front(); E; E = E->next()) {
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if (E->get() == pressed)
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return idx;
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idx++;
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}
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return -1;
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}
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void ButtonGroup::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("get_pressed_button:BaseButton"), &ButtonGroup::get_pressed_button);
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ObjectTypeDB::bind_method(_MD("get_pressed_button_index"), &ButtonGroup::get_pressed_button_index);
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ObjectTypeDB::bind_method(_MD("get_focused_button:BaseButton"), &ButtonGroup::get_focused_button);
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ObjectTypeDB::bind_method(_MD("get_button_list"), &ButtonGroup::_get_button_list);
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ObjectTypeDB::bind_method(_MD("_pressed"), &ButtonGroup::_pressed);
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ObjectTypeDB::bind_method(_MD("set_pressed_button", "button:BaseButton"), &ButtonGroup::_pressed);
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ADD_SIGNAL(MethodInfo("button_selected", PropertyInfo(Variant::OBJECT, "button", PROPERTY_HINT_RESOURCE_TYPE, "BaseButton")));
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}
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ButtonGroup::ButtonGroup()
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: BoxContainer(true) {
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}
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