initial commit, 4.5 stable

scene/gui/margin_container.cpp

@@ -0,0 +1,125 @@
+/**************************************************************************/
+/*  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 = as_sortable_control(get_child(i), SortableVisibilityMode::VISIBLE);
+		if (!c) {
+			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() {
+}