godot/scene/gui/margin_container.cpp
2024-05-09 15:16:33 +03:00

126 lines
4.6 KiB
C++

/**************************************************************************/
/* margin_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 "margin_container.h"
#include "scene/theme/theme_db.h"
Size2 MarginContainer::get_minimum_size() const {
Size2 max;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c || !c->is_visible() || c->is_set_as_top_level()) {
continue;
}
Size2 s = c->get_combined_minimum_size();
if (s.width > max.width) {
max.width = s.width;
}
if (s.height > max.height) {
max.height = s.height;
}
}
max.width += (theme_cache.margin_left + theme_cache.margin_right);
max.height += (theme_cache.margin_top + theme_cache.margin_bottom);
return max;
}
Vector<int> MarginContainer::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> MarginContainer::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;
}
int MarginContainer::get_margin_size(Side p_side) const {
ERR_FAIL_INDEX_V((int)p_side, 4, 0);
switch (p_side) {
case SIDE_LEFT:
return theme_cache.margin_left;
case SIDE_RIGHT:
return theme_cache.margin_right;
case SIDE_TOP:
return theme_cache.margin_top;
case SIDE_BOTTOM:
return theme_cache.margin_bottom;
}
return 0;
}
void MarginContainer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_SORT_CHILDREN: {
Size2 s = get_size();
for (int i = 0; i < get_child_count(); i++) {
Control *c = as_sortable_control(get_child(i));
if (!c) {
continue;
}
int w = s.width - theme_cache.margin_left - theme_cache.margin_right;
int h = s.height - theme_cache.margin_top - theme_cache.margin_bottom;
fit_child_in_rect(c, Rect2(theme_cache.margin_left, theme_cache.margin_top, w, h));
}
} break;
case NOTIFICATION_THEME_CHANGED: {
update_minimum_size();
} break;
}
}
void MarginContainer::_bind_methods() {
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_left);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_top);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_right);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_bottom);
}
MarginContainer::MarginContainer() {
}