mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
204 lines
7.7 KiB
C++
204 lines
7.7 KiB
C++
/**************************************************************************/
|
|
/* aspect_ratio_container.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* 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"
|
|
|
|
#include "scene/gui/texture_rect.h"
|
|
|
|
Size2 AspectRatioContainer::get_minimum_size() const {
|
|
Size2 ms;
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
Control *c = as_sortable_control(get_child(i));
|
|
if (!c) {
|
|
continue;
|
|
}
|
|
Size2 minsize = c->get_combined_minimum_size();
|
|
ms = ms.max(minsize);
|
|
}
|
|
return ms;
|
|
}
|
|
|
|
void AspectRatioContainer::set_ratio(float p_ratio) {
|
|
if (ratio == p_ratio) {
|
|
return;
|
|
}
|
|
ratio = p_ratio;
|
|
queue_sort();
|
|
}
|
|
|
|
void AspectRatioContainer::set_stretch_mode(StretchMode p_mode) {
|
|
if (stretch_mode == p_mode) {
|
|
return;
|
|
}
|
|
stretch_mode = p_mode;
|
|
queue_sort();
|
|
}
|
|
|
|
void AspectRatioContainer::set_alignment_horizontal(AlignmentMode p_alignment_horizontal) {
|
|
if (alignment_horizontal == p_alignment_horizontal) {
|
|
return;
|
|
}
|
|
alignment_horizontal = p_alignment_horizontal;
|
|
queue_sort();
|
|
}
|
|
|
|
void AspectRatioContainer::set_alignment_vertical(AlignmentMode p_alignment_vertical) {
|
|
if (alignment_vertical == p_alignment_vertical) {
|
|
return;
|
|
}
|
|
alignment_vertical = p_alignment_vertical;
|
|
queue_sort();
|
|
}
|
|
|
|
Vector<int> AspectRatioContainer::get_allowed_size_flags_horizontal() const {
|
|
Vector<int> flags;
|
|
flags.append(SIZE_FILL);
|
|
flags.append(SIZE_SHRINK_BEGIN);
|
|
flags.append(SIZE_SHRINK_CENTER);
|
|
flags.append(SIZE_SHRINK_END);
|
|
return flags;
|
|
}
|
|
|
|
Vector<int> AspectRatioContainer::get_allowed_size_flags_vertical() const {
|
|
Vector<int> flags;
|
|
flags.append(SIZE_FILL);
|
|
flags.append(SIZE_SHRINK_BEGIN);
|
|
flags.append(SIZE_SHRINK_CENTER);
|
|
flags.append(SIZE_SHRINK_END);
|
|
return flags;
|
|
}
|
|
|
|
void AspectRatioContainer::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_SORT_CHILDREN: {
|
|
bool rtl = is_layout_rtl();
|
|
Size2 size = get_size();
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
Control *c = as_sortable_control(get_child(i));
|
|
if (!c) {
|
|
continue;
|
|
}
|
|
|
|
// Temporary fix for editor crash.
|
|
TextureRect *trect = Object::cast_to<TextureRect>(c);
|
|
if (trect) {
|
|
if (trect->get_expand_mode() == TextureRect::EXPAND_FIT_WIDTH_PROPORTIONAL || trect->get_expand_mode() == TextureRect::EXPAND_FIT_HEIGHT_PROPORTIONAL) {
|
|
WARN_PRINT_ONCE("Proportional TextureRect is currently not supported inside AspectRatioContainer");
|
|
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 = child_size.max(child_minsize);
|
|
|
|
float align_x = 0.5;
|
|
switch (alignment_horizontal) {
|
|
case ALIGNMENT_BEGIN: {
|
|
align_x = 0.0;
|
|
} break;
|
|
case ALIGNMENT_CENTER: {
|
|
align_x = 0.5;
|
|
} break;
|
|
case ALIGNMENT_END: {
|
|
align_x = 1.0;
|
|
} break;
|
|
}
|
|
float align_y = 0.5;
|
|
switch (alignment_vertical) {
|
|
case ALIGNMENT_BEGIN: {
|
|
align_y = 0.0;
|
|
} break;
|
|
case ALIGNMENT_CENTER: {
|
|
align_y = 0.5;
|
|
} break;
|
|
case ALIGNMENT_END: {
|
|
align_y = 1.0;
|
|
} break;
|
|
}
|
|
Vector2 offset = (size - child_size) * Vector2(align_x, align_y);
|
|
|
|
if (rtl) {
|
|
fit_child_in_rect(c, Rect2(Vector2(size.x - offset.x - child_size.x, offset.y), child_size));
|
|
} else {
|
|
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::FLOAT, "ratio", PROPERTY_HINT_RANGE, "0.001,10.0,0.0001,or_greater"), "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(ALIGNMENT_BEGIN);
|
|
BIND_ENUM_CONSTANT(ALIGNMENT_CENTER);
|
|
BIND_ENUM_CONSTANT(ALIGNMENT_END);
|
|
}
|