godot/scene/gui/check_box.cpp

121 lines
5.0 KiB
C++

/*************************************************************************/
/* check_box.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "servers/rendering_server.h"
Size2 CheckBox::get_icon_size() const {
Ref<Texture2D> checked = Control::get_theme_icon("checked");
Ref<Texture2D> unchecked = Control::get_theme_icon("unchecked");
Ref<Texture2D> radio_checked = Control::get_theme_icon("radio_checked");
Ref<Texture2D> radio_unchecked = Control::get_theme_icon("radio_unchecked");
Size2 tex_size = Size2(0, 0);
if (!checked.is_null()) {
tex_size = Size2(checked->get_width(), checked->get_height());
}
if (!unchecked.is_null()) {
tex_size = Size2(MAX(tex_size.width, unchecked->get_width()), MAX(tex_size.height, unchecked->get_height()));
}
if (!radio_checked.is_null()) {
tex_size = Size2(MAX(tex_size.width, radio_checked->get_width()), MAX(tex_size.height, radio_checked->get_height()));
}
if (!radio_unchecked.is_null()) {
tex_size = Size2(MAX(tex_size.width, radio_unchecked->get_width()), MAX(tex_size.height, radio_unchecked->get_height()));
}
return tex_size;
}
Size2 CheckBox::get_minimum_size() const {
Size2 minsize = Button::get_minimum_size();
Size2 tex_size = get_icon_size();
minsize.width += tex_size.width;
if (get_text().length() > 0) {
minsize.width += get_theme_constant("hseparation");
}
Ref<StyleBox> sb = get_theme_stylebox("normal");
minsize.height = MAX(minsize.height, tex_size.height + sb->get_margin(SIDE_TOP) + sb->get_margin(SIDE_BOTTOM));
return minsize;
}
void CheckBox::_notification(int p_what) {
if ((p_what == NOTIFICATION_THEME_CHANGED) || (p_what == NOTIFICATION_LAYOUT_DIRECTION_CHANGED || (p_what == 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);
}
} else if (p_what == NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
Ref<Texture2D> on = Control::get_theme_icon(is_radio() ? "radio_checked" : "checked");
Ref<Texture2D> off = Control::get_theme_icon(is_radio() ? "radio_unchecked" : "unchecked");
Ref<StyleBox> sb = get_theme_stylebox("normal");
Vector2 ofs;
if (is_layout_rtl()) {
ofs.x = get_size().x - sb->get_margin(SIDE_RIGHT) - get_icon_size().width;
} else {
ofs.x = sb->get_margin(SIDE_LEFT);
}
ofs.y = int((get_size().height - get_icon_size().height) / 2) + get_theme_constant("check_vadjust");
if (is_pressed()) {
on->draw(ci, ofs);
} else {
off->draw(ci, ofs);
}
}
}
bool CheckBox::is_radio() {
return get_button_group().is_valid();
}
CheckBox::CheckBox(const String &p_text) :
Button(p_text) {
set_toggle_mode(true);
set_text_align(ALIGN_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() {
}