initial commit, 4.5 stable

scene/gui/check_box.cpp

@@ -0,0 +1,184 @@
+/**************************************************************************/
+/*  check_box.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 "check_box.h"
+
+#include "scene/theme/theme_db.h"
+
+Size2 CheckBox::get_icon_size() const {
+	Size2 tex_size = Size2(0, 0);
+	if (theme_cache.checked.is_valid()) {
+		tex_size = theme_cache.checked->get_size();
+	}
+	if (theme_cache.unchecked.is_valid()) {
+		tex_size = tex_size.max(theme_cache.unchecked->get_size());
+	}
+	if (theme_cache.radio_checked.is_valid()) {
+		tex_size = tex_size.max(theme_cache.radio_checked->get_size());
+	}
+	if (theme_cache.radio_unchecked.is_valid()) {
+		tex_size = tex_size.max(theme_cache.radio_unchecked->get_size());
+	}
+	if (theme_cache.checked_disabled.is_valid()) {
+		tex_size = tex_size.max(theme_cache.checked_disabled->get_size());
+	}
+	if (theme_cache.unchecked_disabled.is_valid()) {
+		tex_size = tex_size.max(theme_cache.unchecked_disabled->get_size());
+	}
+	if (theme_cache.radio_checked_disabled.is_valid()) {
+		tex_size = tex_size.max(theme_cache.radio_checked_disabled->get_size());
+	}
+	if (theme_cache.radio_unchecked_disabled.is_valid()) {
+		tex_size = tex_size.max(theme_cache.radio_unchecked_disabled->get_size());
+	}
+	return _fit_icon_size(tex_size);
+}
+
+Size2 CheckBox::get_minimum_size() const {
+	Size2 minsize = Button::get_minimum_size();
+	const Size2 tex_size = get_icon_size();
+	if (tex_size.width > 0 || tex_size.height > 0) {
+		const Size2 padding = _get_largest_stylebox_size();
+		Size2 content_size = minsize - padding;
+		if (content_size.width > 0 && tex_size.width > 0) {
+			content_size.width += MAX(0, theme_cache.h_separation);
+		}
+		content_size.width += tex_size.width;
+		content_size.height = MAX(content_size.height, tex_size.height);
+
+		minsize = content_size + padding;
+	}
+
+	return minsize;
+}
+
+void CheckBox::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ACCESSIBILITY_UPDATE: {
+			RID ae = get_accessibility_element();
+			ERR_FAIL_COND(ae.is_null());
+
+			if (is_radio()) {
+				DisplayServer::get_singleton()->accessibility_update_set_role(ae, DisplayServer::AccessibilityRole::ROLE_RADIO_BUTTON);
+			} else {
+				DisplayServer::get_singleton()->accessibility_update_set_role(ae, DisplayServer::AccessibilityRole::ROLE_CHECK_BOX);
+			}
+		} break;
+
+		case NOTIFICATION_THEME_CHANGED:
+		case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
+		case NOTIFICATION_TRANSLATION_CHANGED: {
+			if (is_layout_rtl()) {
+				_set_internal_margin(SIDE_LEFT, 0.f);
+				_set_internal_margin(SIDE_RIGHT, get_icon_size().width);
+			} else {
+				_set_internal_margin(SIDE_LEFT, get_icon_size().width);
+				_set_internal_margin(SIDE_RIGHT, 0.f);
+			}
+		} break;
+
+		case NOTIFICATION_DRAW: {
+			RID ci = get_canvas_item();
+
+			Ref<Texture2D> on_tex;
+			Ref<Texture2D> off_tex;
+
+			if (is_radio()) {
+				if (is_disabled()) {
+					on_tex = theme_cache.radio_checked_disabled;
+					off_tex = theme_cache.radio_unchecked_disabled;
+				} else {
+					on_tex = theme_cache.radio_checked;
+					off_tex = theme_cache.radio_unchecked;
+				}
+			} else {
+				if (is_disabled()) {
+					on_tex = theme_cache.checked_disabled;
+					off_tex = theme_cache.unchecked_disabled;
+				} else {
+					on_tex = theme_cache.checked;
+					off_tex = theme_cache.unchecked;
+				}
+			}
+
+			Vector2 ofs;
+			if (is_layout_rtl()) {
+				ofs.x = get_size().x - theme_cache.normal_style->get_margin(SIDE_RIGHT) - get_icon_size().width;
+			} else {
+				ofs.x = theme_cache.normal_style->get_margin(SIDE_LEFT);
+			}
+			ofs.y = int((get_size().height - get_icon_size().height) / 2) + theme_cache.check_v_offset;
+
+			if (is_pressed()) {
+				on_tex->draw_rect(ci, Rect2(ofs, _fit_icon_size(on_tex->get_size())), false, theme_cache.checkbox_checked_color);
+			} else {
+				off_tex->draw_rect(ci, Rect2(ofs, _fit_icon_size(off_tex->get_size())), false, theme_cache.checkbox_unchecked_color);
+			}
+		} break;
+	}
+}
+
+bool CheckBox::is_radio() const {
+	return get_button_group().is_valid();
+}
+
+void CheckBox::_bind_methods() {
+	BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, CheckBox, h_separation);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, CheckBox, check_v_offset);
+	BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, CheckBox, normal_style, "normal");
+
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, checked);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, unchecked);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, radio_checked);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, radio_unchecked);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, checked_disabled);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, unchecked_disabled);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, radio_checked_disabled);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckBox, radio_unchecked_disabled);
+
+	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, CheckBox, checkbox_checked_color);
+	BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, CheckBox, checkbox_unchecked_color);
+}
+
+CheckBox::CheckBox(const String &p_text) :
+		Button(p_text) {
+	set_toggle_mode(true);
+
+	set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
+
+	if (is_layout_rtl()) {
+		_set_internal_margin(SIDE_RIGHT, get_icon_size().width);
+	} else {
+		_set_internal_margin(SIDE_LEFT, get_icon_size().width);
+	}
+}
+
+CheckBox::~CheckBox() {
+}