| 1 | /**************************************************************************/ |
| 2 | /* margin_container.cpp */ |
| 3 | /**************************************************************************/ |
| 4 | /* This file is part of: */ |
| 5 | /* GODOT ENGINE */ |
| 6 | /* https://godotengine.org */ |
| 7 | /**************************************************************************/ |
| 8 | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ |
| 9 | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ |
| 10 | /* */ |
| 11 | /* Permission is hereby granted, free of charge, to any person obtaining */ |
| 12 | /* a copy of this software and associated documentation files (the */ |
| 13 | /* "Software"), to deal in the Software without restriction, including */ |
| 14 | /* without limitation the rights to use, copy, modify, merge, publish, */ |
| 15 | /* distribute, sublicense, and/or sell copies of the Software, and to */ |
| 16 | /* permit persons to whom the Software is furnished to do so, subject to */ |
| 17 | /* the following conditions: */ |
| 18 | /* */ |
| 19 | /* The above copyright notice and this permission notice shall be */ |
| 20 | /* included in all copies or substantial portions of the Software. */ |
| 21 | /* */ |
| 22 | /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ |
| 23 | /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ |
| 24 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ |
| 25 | /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ |
| 26 | /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ |
| 27 | /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ |
| 28 | /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 29 | /**************************************************************************/ |
| 30 | |
| 31 | #include "margin_container.h" |
| 32 | |
| 33 | #include "scene/theme/theme_db.h" |
| 34 | |
| 35 | Size2 MarginContainer::get_minimum_size() const { |
| 36 | Size2 max; |
| 37 | |
| 38 | for (int i = 0; i < get_child_count(); i++) { |
| 39 | Control *c = Object::cast_to<Control>(get_child(i)); |
| 40 | if (!c) { |
| 41 | continue; |
| 42 | } |
| 43 | if (c->is_set_as_top_level()) { |
| 44 | continue; |
| 45 | } |
| 46 | if (!c->is_visible()) { |
| 47 | continue; |
| 48 | } |
| 49 | |
| 50 | Size2 s = c->get_combined_minimum_size(); |
| 51 | if (s.width > max.width) { |
| 52 | max.width = s.width; |
| 53 | } |
| 54 | if (s.height > max.height) { |
| 55 | max.height = s.height; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | max.width += (theme_cache.margin_left + theme_cache.margin_right); |
| 60 | max.height += (theme_cache.margin_top + theme_cache.margin_bottom); |
| 61 | |
| 62 | return max; |
| 63 | } |
| 64 | |
| 65 | Vector<int> MarginContainer::get_allowed_size_flags_horizontal() const { |
| 66 | Vector<int> flags; |
| 67 | flags.append(SIZE_FILL); |
| 68 | flags.append(SIZE_SHRINK_BEGIN); |
| 69 | flags.append(SIZE_SHRINK_CENTER); |
| 70 | flags.append(SIZE_SHRINK_END); |
| 71 | return flags; |
| 72 | } |
| 73 | |
| 74 | Vector<int> MarginContainer::get_allowed_size_flags_vertical() const { |
| 75 | Vector<int> flags; |
| 76 | flags.append(SIZE_FILL); |
| 77 | flags.append(SIZE_SHRINK_BEGIN); |
| 78 | flags.append(SIZE_SHRINK_CENTER); |
| 79 | flags.append(SIZE_SHRINK_END); |
| 80 | return flags; |
| 81 | } |
| 82 | |
| 83 | int MarginContainer::get_margin_size(Side p_side) const { |
| 84 | ERR_FAIL_INDEX_V((int)p_side, 4, 0); |
| 85 | |
| 86 | switch (p_side) { |
| 87 | case SIDE_LEFT: |
| 88 | return theme_cache.margin_left; |
| 89 | case SIDE_RIGHT: |
| 90 | return theme_cache.margin_right; |
| 91 | case SIDE_TOP: |
| 92 | return theme_cache.margin_top; |
| 93 | case SIDE_BOTTOM: |
| 94 | return theme_cache.margin_bottom; |
| 95 | } |
| 96 | |
| 97 | return 0; |
| 98 | } |
| 99 | |
| 100 | void MarginContainer::_notification(int p_what) { |
| 101 | switch (p_what) { |
| 102 | case NOTIFICATION_SORT_CHILDREN: { |
| 103 | Size2 s = get_size(); |
| 104 | |
| 105 | for (int i = 0; i < get_child_count(); i++) { |
| 106 | Control *c = Object::cast_to<Control>(get_child(i)); |
| 107 | if (!c) { |
| 108 | continue; |
| 109 | } |
| 110 | if (c->is_set_as_top_level()) { |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | int w = s.width - theme_cache.margin_left - theme_cache.margin_right; |
| 115 | int h = s.height - theme_cache.margin_top - theme_cache.margin_bottom; |
| 116 | fit_child_in_rect(c, Rect2(theme_cache.margin_left, theme_cache.margin_top, w, h)); |
| 117 | } |
| 118 | } break; |
| 119 | |
| 120 | case NOTIFICATION_THEME_CHANGED: { |
| 121 | update_minimum_size(); |
| 122 | } break; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | void MarginContainer::_bind_methods() { |
| 127 | BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_left); |
| 128 | BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_top); |
| 129 | BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_right); |
| 130 | BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, MarginContainer, margin_bottom); |
| 131 | } |
| 132 | |
| 133 | MarginContainer::MarginContainer() { |
| 134 | } |
| 135 | |