/*************************************************************************/ /* subviewport_container.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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 "subviewport_container.h" #include "core/config/engine.h" #include "scene/main/viewport.h" Size2 SubViewportContainer::get_minimum_size() const { if (stretch) { return Size2(); } Size2 ms; for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c) { continue; } Size2 minsize = c->get_size(); ms.width = MAX(ms.width, minsize.width); ms.height = MAX(ms.height, minsize.height); } return ms; } void SubViewportContainer::set_stretch(bool p_enable) { stretch = p_enable; queue_sort(); update(); } bool SubViewportContainer::is_stretch_enabled() const { return stretch; } void SubViewportContainer::set_stretch_shrink(int p_shrink) { ERR_FAIL_COND(p_shrink < 1); if (shrink == p_shrink) { return; } shrink = p_shrink; if (!stretch) { return; } for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c) { continue; } c->set_size(get_size() / shrink); } update(); } int SubViewportContainer::get_stretch_shrink() const { return shrink; } void SubViewportContainer::_notification(int p_what) { if (p_what == NOTIFICATION_RESIZED) { if (!stretch) { return; } for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c) { continue; } c->set_size(get_size() / shrink); } } if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_VISIBILITY_CHANGED) { for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c) { continue; } if (is_visible_in_tree()) { c->set_update_mode(SubViewport::UPDATE_ALWAYS); } else { c->set_update_mode(SubViewport::UPDATE_DISABLED); } c->set_handle_input_locally(false); //do not handle input locally here } } if (p_what == NOTIFICATION_DRAW) { for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c) { continue; } if (stretch) { draw_texture_rect(c->get_texture(), Rect2(Vector2(), get_size())); } else { draw_texture_rect(c->get_texture(), Rect2(Vector2(), c->get_size())); } } } } void SubViewportContainer::input(const Ref<InputEvent> &p_event) { ERR_FAIL_COND(p_event.is_null()); if (Engine::get_singleton()->is_editor_hint()) { return; } Transform2D xform = get_global_transform(); if (stretch) { Transform2D scale_xf; scale_xf.scale(Vector2(shrink, shrink)); xform *= scale_xf; } Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse()); for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c || c->is_input_disabled()) { continue; } c->push_input(ev); } } void SubViewportContainer::unhandled_input(const Ref<InputEvent> &p_event) { ERR_FAIL_COND(p_event.is_null()); if (Engine::get_singleton()->is_editor_hint()) { return; } Transform2D xform = get_global_transform(); if (stretch) { Transform2D scale_xf; scale_xf.scale(Vector2(shrink, shrink)); xform *= scale_xf; } Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse()); for (int i = 0; i < get_child_count(); i++) { SubViewport *c = Object::cast_to<SubViewport>(get_child(i)); if (!c || c->is_input_disabled()) { continue; } c->push_unhandled_input(ev); } } void SubViewportContainer::_bind_methods() { ClassDB::bind_method(D_METHOD("set_stretch", "enable"), &SubViewportContainer::set_stretch); ClassDB::bind_method(D_METHOD("is_stretch_enabled"), &SubViewportContainer::is_stretch_enabled); ClassDB::bind_method(D_METHOD("set_stretch_shrink", "amount"), &SubViewportContainer::set_stretch_shrink); ClassDB::bind_method(D_METHOD("get_stretch_shrink"), &SubViewportContainer::get_stretch_shrink); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stretch"), "set_stretch", "is_stretch_enabled"); ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_shrink"), "set_stretch_shrink", "get_stretch_shrink"); } SubViewportContainer::SubViewportContainer() { set_process_input(true); set_process_unhandled_input(true); }