godot/scene/gui/check_button.cpp

98 lines
4 KiB
C++

/*************************************************************************/
/* check_button.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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_button.h"
#include "core/print_string.h"
#include "servers/visual_server.h"
Size2 CheckButton::get_icon_size() const {
Ref<Texture> on = Control::get_icon(is_disabled() ? "on_disabled" : "on");
Ref<Texture> off = Control::get_icon(is_disabled() ? "off_disabled" : "off");
Size2 tex_size = Size2(0, 0);
if (!on.is_null())
tex_size = Size2(on->get_width(), on->get_height());
if (!off.is_null())
tex_size = Size2(MAX(tex_size.width, off->get_width()), MAX(tex_size.height, off->get_height()));
return tex_size;
}
Size2 CheckButton::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_constant("hseparation");
Ref<StyleBox> sb = get_stylebox("normal");
minsize.height = MAX(minsize.height, tex_size.height + sb->get_margin(MARGIN_TOP) + sb->get_margin(MARGIN_BOTTOM));
return minsize;
}
void CheckButton::_notification(int p_what) {
if (p_what == NOTIFICATION_THEME_CHANGED) {
_set_internal_margin(MARGIN_RIGHT, get_icon_size().width);
} else if (p_what == NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
Ref<Texture> on = Control::get_icon(is_disabled() ? "on_disabled" : "on");
Ref<Texture> off = Control::get_icon(is_disabled() ? "off_disabled" : "off");
Ref<StyleBox> sb = get_stylebox("normal");
Vector2 ofs;
Size2 tex_size = get_icon_size();
ofs.x = get_size().width - (tex_size.width + sb->get_margin(MARGIN_RIGHT));
ofs.y = (get_size().height - tex_size.height) / 2 + get_constant("check_vadjust");
if (is_pressed())
on->draw(ci, ofs);
else
off->draw(ci, ofs);
}
}
CheckButton::CheckButton() {
set_toggle_mode(true);
set_text_align(ALIGN_LEFT);
_set_internal_margin(MARGIN_RIGHT, get_icon_size().width);
}
CheckButton::~CheckButton() {
}