From acd9abe507dc5e80c82c23ca15ee47a5e962d2aa Mon Sep 17 00:00:00 2001 From: "Andrii Doroshenko (Xrayez)" Date: Tue, 12 Jan 2021 16:06:26 +0200 Subject: [PATCH] Add `AspectRatioContainer` class Backported from ba68383706d63162dc469fb4f26d0a4e0cd1ea75. Co-authored-by: Ugis Brekis --- doc/classes/AspectRatioContainer.xml | 51 ++++++ editor/icons/icon_aspect_ratio_container.svg | 1 + scene/gui/aspect_ratio_container.cpp | 167 +++++++++++++++++++ scene/gui/aspect_ratio_container.h | 80 +++++++++ scene/register_scene_types.cpp | 2 + 5 files changed, 301 insertions(+) create mode 100644 doc/classes/AspectRatioContainer.xml create mode 100644 editor/icons/icon_aspect_ratio_container.svg create mode 100644 scene/gui/aspect_ratio_container.cpp create mode 100644 scene/gui/aspect_ratio_container.h diff --git a/doc/classes/AspectRatioContainer.xml b/doc/classes/AspectRatioContainer.xml new file mode 100644 index 00000000000..7b41133139c --- /dev/null +++ b/doc/classes/AspectRatioContainer.xml @@ -0,0 +1,51 @@ + + + + Container that preserves its child controls' aspect ratio. + + + Arranges child controls in a way to preserve their aspect ratio automatically whenever the container is resized. Solves the problem where the container size is dynamic and the contents' size needs to adjust accordingly without losing proportions. + + + + + + + + Specifies the horizontal relative position of child controls. + + + Specifies the vertical relative position of child controls. + + + The aspect ratio to enforce on child controls. This is the width divided by the height. The ratio depends on the [member stretch_mode]. + + + The stretch mode used to align child controls. + + + + + The height of child controls is automatically adjusted based on the width of the container. + + + The width of child controls is automatically adjusted based on the height of the container. + + + The bounding rectangle of child controls is automatically adjusted to fit inside the container while keeping the aspect ratio. + + + The width and height of child controls is automatically adjusted to make their bounding rectangle cover the entire area of the container while keeping the aspect ratio. + When the bounding rectangle of child controls exceed the container's size and [member Control.rect_clip_content] is enabled, this allows to show only the container's area restricted by its own bounding rectangle. + + + Aligns child controls with the beginning (left or top) of the container. + + + Aligns child controls with the center of the container. + + + Aligns child controls with the end (right or bottom) of the container. + + + diff --git a/editor/icons/icon_aspect_ratio_container.svg b/editor/icons/icon_aspect_ratio_container.svg new file mode 100644 index 00000000000..a7aef8e0288 --- /dev/null +++ b/editor/icons/icon_aspect_ratio_container.svg @@ -0,0 +1 @@ + diff --git a/scene/gui/aspect_ratio_container.cpp b/scene/gui/aspect_ratio_container.cpp new file mode 100644 index 00000000000..c06c6a4ecb8 --- /dev/null +++ b/scene/gui/aspect_ratio_container.cpp @@ -0,0 +1,167 @@ +/*************************************************************************/ +/* aspect_ratio_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 "aspect_ratio_container.h" + +Size2 AspectRatioContainer::get_minimum_size() const { + Size2 ms; + for (int i = 0; i < get_child_count(); i++) { + Control *c = Object::cast_to(get_child(i)); + if (!c) { + continue; + } + if (c->is_set_as_toplevel()) { + continue; + } + if (!c->is_visible()) { + continue; + } + Size2 minsize = c->get_combined_minimum_size(); + ms.width = MAX(ms.width, minsize.width); + ms.height = MAX(ms.height, minsize.height); + } + return ms; +} + +void AspectRatioContainer::set_ratio(float p_ratio) { + ratio = p_ratio; + queue_sort(); +} + +void AspectRatioContainer::set_stretch_mode(StretchMode p_mode) { + stretch_mode = p_mode; + queue_sort(); +} + +void AspectRatioContainer::set_alignment_horizontal(AlignMode p_alignment_horizontal) { + alignment_horizontal = p_alignment_horizontal; + queue_sort(); +} + +void AspectRatioContainer::set_alignment_vertical(AlignMode p_alignment_vertical) { + alignment_vertical = p_alignment_vertical; + queue_sort(); +} + +void AspectRatioContainer::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_SORT_CHILDREN: { + Size2 size = get_size(); + for (int i = 0; i < get_child_count(); i++) { + Control *c = Object::cast_to(get_child(i)); + if (!c) { + continue; + } + if (c->is_set_as_toplevel()) { + continue; + } + Size2 child_minsize = c->get_combined_minimum_size(); + Size2 child_size = Size2(ratio, 1.0); + float scale_factor = 1.0; + + switch (stretch_mode) { + case STRETCH_WIDTH_CONTROLS_HEIGHT: { + scale_factor = size.x / child_size.x; + } break; + case STRETCH_HEIGHT_CONTROLS_WIDTH: { + scale_factor = size.y / child_size.y; + } break; + case STRETCH_FIT: { + scale_factor = MIN(size.x / child_size.x, size.y / child_size.y); + } break; + case STRETCH_COVER: { + scale_factor = MAX(size.x / child_size.x, size.y / child_size.y); + } break; + } + child_size *= scale_factor; + child_size.x = MAX(child_size.x, child_minsize.x); + child_size.y = MAX(child_size.y, child_minsize.y); + + float align_x = 0.5; + switch (alignment_horizontal) { + case ALIGN_BEGIN: { + align_x = 0.0; + } break; + case ALIGN_CENTER: { + align_x = 0.5; + } break; + case ALIGN_END: { + align_x = 1.0; + } break; + } + float align_y = 0.5; + switch (alignment_vertical) { + case ALIGN_BEGIN: { + align_y = 0.0; + } break; + case ALIGN_CENTER: { + align_y = 0.5; + } break; + case ALIGN_END: { + align_y = 1.0; + } break; + } + Vector2 offset = (size - child_size) * Vector2(align_x, align_y); + + fit_child_in_rect(c, Rect2(offset, child_size)); + } + } break; + } +} + +void AspectRatioContainer::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_ratio", "ratio"), &AspectRatioContainer::set_ratio); + ClassDB::bind_method(D_METHOD("get_ratio"), &AspectRatioContainer::get_ratio); + + ClassDB::bind_method(D_METHOD("set_stretch_mode", "stretch_mode"), &AspectRatioContainer::set_stretch_mode); + ClassDB::bind_method(D_METHOD("get_stretch_mode"), &AspectRatioContainer::get_stretch_mode); + + ClassDB::bind_method(D_METHOD("set_alignment_horizontal", "alignment_horizontal"), &AspectRatioContainer::set_alignment_horizontal); + ClassDB::bind_method(D_METHOD("get_alignment_horizontal"), &AspectRatioContainer::get_alignment_horizontal); + + ClassDB::bind_method(D_METHOD("set_alignment_vertical", "alignment_vertical"), &AspectRatioContainer::set_alignment_vertical); + ClassDB::bind_method(D_METHOD("get_alignment_vertical"), &AspectRatioContainer::get_alignment_vertical); + + ADD_PROPERTY(PropertyInfo(Variant::REAL, "ratio"), "set_ratio", "get_ratio"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_mode", PROPERTY_HINT_ENUM, "Width controls height,Height controls width,Fit,Cover"), "set_stretch_mode", "get_stretch_mode"); + + ADD_GROUP("Alignment", "alignment_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment_horizontal", PROPERTY_HINT_ENUM, "Begin,Center,End"), "set_alignment_horizontal", "get_alignment_horizontal"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment_vertical", PROPERTY_HINT_ENUM, "Begin,Center,End"), "set_alignment_vertical", "get_alignment_vertical"); + + BIND_ENUM_CONSTANT(STRETCH_WIDTH_CONTROLS_HEIGHT); + BIND_ENUM_CONSTANT(STRETCH_HEIGHT_CONTROLS_WIDTH); + BIND_ENUM_CONSTANT(STRETCH_FIT); + BIND_ENUM_CONSTANT(STRETCH_COVER); + + BIND_ENUM_CONSTANT(ALIGN_BEGIN); + BIND_ENUM_CONSTANT(ALIGN_CENTER); + BIND_ENUM_CONSTANT(ALIGN_END); +} diff --git a/scene/gui/aspect_ratio_container.h b/scene/gui/aspect_ratio_container.h new file mode 100644 index 00000000000..62a417fde66 --- /dev/null +++ b/scene/gui/aspect_ratio_container.h @@ -0,0 +1,80 @@ +/*************************************************************************/ +/* aspect_ratio_container.h */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#ifndef ASPECT_RATIO_CONTAINER_H +#define ASPECT_RATIO_CONTAINER_H + +#include "scene/gui/container.h" + +class AspectRatioContainer : public Container { + GDCLASS(AspectRatioContainer, Container); + +protected: + void _notification(int p_what); + static void _bind_methods(); + virtual Size2 get_minimum_size() const; + +public: + enum StretchMode { + STRETCH_WIDTH_CONTROLS_HEIGHT, + STRETCH_HEIGHT_CONTROLS_WIDTH, + STRETCH_FIT, + STRETCH_COVER, + }; + enum AlignMode { + ALIGN_BEGIN, + ALIGN_CENTER, + ALIGN_END, + }; + +private: + float ratio = 1.0; + StretchMode stretch_mode = STRETCH_FIT; + AlignMode alignment_horizontal = ALIGN_CENTER; + AlignMode alignment_vertical = ALIGN_CENTER; + +public: + void set_ratio(float p_ratio); + float get_ratio() const { return ratio; } + + void set_stretch_mode(StretchMode p_mode); + StretchMode get_stretch_mode() const { return stretch_mode; } + + void set_alignment_horizontal(AlignMode p_alignment_horizontal); + AlignMode get_alignment_horizontal() const { return alignment_horizontal; } + + void set_alignment_vertical(AlignMode p_alignment_vertical); + AlignMode get_alignment_vertical() const { return alignment_vertical; } +}; + +VARIANT_ENUM_CAST(AspectRatioContainer::StretchMode); +VARIANT_ENUM_CAST(AspectRatioContainer::AlignMode); + +#endif // ASPECT_RATIO_CONTAINER_H diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp index 1e19ddd80ff..fb84a4d71a9 100644 --- a/scene/register_scene_types.cpp +++ b/scene/register_scene_types.cpp @@ -75,6 +75,7 @@ #include "scene/animation/root_motion_view.h" #include "scene/animation/tween.h" #include "scene/audio/audio_stream_player.h" +#include "scene/gui/aspect_ratio_container.h" #include "scene/gui/box_container.h" #include "scene/gui/button.h" #include "scene/gui/center_container.h" @@ -303,6 +304,7 @@ void register_scene_types() { ClassDB::register_class(); ClassDB::register_class(); ClassDB::register_class(); + ClassDB::register_class(); ClassDB::register_class(); ClassDB::register_class(); ClassDB::register_virtual_class();