diff options
Diffstat (limited to 'scene/gui/subviewport_container.cpp')
| -rw-r--r-- | scene/gui/subviewport_container.cpp | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/scene/gui/subviewport_container.cpp b/scene/gui/subviewport_container.cpp new file mode 100644 index 0000000000..50f468741d --- /dev/null +++ b/scene/gui/subviewport_container.cpp @@ -0,0 +1,215 @@ +/*************************************************************************/ +/* subviewport_container.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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/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) { + + 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->input(ev); + } +} + +void SubViewportContainer::_unhandled_input(const Ref<InputEvent> &p_event) { + + 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->unhandled_input(ev); + } +} + +void SubViewportContainer::_bind_methods() { + + ClassDB::bind_method(D_METHOD("_unhandled_input", "event"), &SubViewportContainer::_unhandled_input); + ClassDB::bind_method(D_METHOD("_input", "event"), &SubViewportContainer::_input); + 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() { + + stretch = false; + shrink = 1; + set_process_input(true); + set_process_unhandled_input(true); +} |