1/**************************************************************************/
2/* check_button.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 "check_button.h"
32
33#include "scene/theme/theme_db.h"
34#include "servers/rendering_server.h"
35
36Size2 CheckButton::get_icon_size() const {
37 Ref<Texture2D> on_tex;
38 Ref<Texture2D> off_tex;
39
40 if (is_layout_rtl()) {
41 if (is_disabled()) {
42 on_tex = theme_cache.checked_disabled_mirrored;
43 off_tex = theme_cache.unchecked_disabled_mirrored;
44 } else {
45 on_tex = theme_cache.checked_mirrored;
46 off_tex = theme_cache.unchecked_mirrored;
47 }
48 } else {
49 if (is_disabled()) {
50 on_tex = theme_cache.checked_disabled;
51 off_tex = theme_cache.unchecked_disabled;
52 } else {
53 on_tex = theme_cache.checked;
54 off_tex = theme_cache.unchecked;
55 }
56 }
57
58 Size2 tex_size = Size2(0, 0);
59 if (!on_tex.is_null()) {
60 tex_size = Size2(on_tex->get_width(), on_tex->get_height());
61 }
62 if (!off_tex.is_null()) {
63 tex_size = Size2(MAX(tex_size.width, off_tex->get_width()), MAX(tex_size.height, off_tex->get_height()));
64 }
65
66 return tex_size;
67}
68
69Size2 CheckButton::get_minimum_size() const {
70 Size2 minsize = Button::get_minimum_size();
71 Size2 tex_size = get_icon_size();
72 minsize.width += tex_size.width;
73 if (get_text().length() > 0) {
74 minsize.width += MAX(0, theme_cache.h_separation);
75 }
76 minsize.height = MAX(minsize.height, tex_size.height + theme_cache.normal_style->get_margin(SIDE_TOP) + theme_cache.normal_style->get_margin(SIDE_BOTTOM));
77
78 return minsize;
79}
80
81void CheckButton::_notification(int p_what) {
82 switch (p_what) {
83 case NOTIFICATION_THEME_CHANGED:
84 case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
85 case NOTIFICATION_TRANSLATION_CHANGED: {
86 if (is_layout_rtl()) {
87 _set_internal_margin(SIDE_LEFT, get_icon_size().width);
88 _set_internal_margin(SIDE_RIGHT, 0.f);
89 } else {
90 _set_internal_margin(SIDE_LEFT, 0.f);
91 _set_internal_margin(SIDE_RIGHT, get_icon_size().width);
92 }
93 } break;
94
95 case NOTIFICATION_DRAW: {
96 RID ci = get_canvas_item();
97 bool rtl = is_layout_rtl();
98
99 Ref<Texture2D> on_tex;
100 Ref<Texture2D> off_tex;
101
102 if (rtl) {
103 if (is_disabled()) {
104 on_tex = theme_cache.checked_disabled_mirrored;
105 off_tex = theme_cache.unchecked_disabled_mirrored;
106 } else {
107 on_tex = theme_cache.checked_mirrored;
108 off_tex = theme_cache.unchecked_mirrored;
109 }
110 } else {
111 if (is_disabled()) {
112 on_tex = theme_cache.checked_disabled;
113 off_tex = theme_cache.unchecked_disabled;
114 } else {
115 on_tex = theme_cache.checked;
116 off_tex = theme_cache.unchecked;
117 }
118 }
119
120 Vector2 ofs;
121 Size2 tex_size = get_icon_size();
122
123 if (rtl) {
124 ofs.x = theme_cache.normal_style->get_margin(SIDE_LEFT);
125 } else {
126 ofs.x = get_size().width - (tex_size.width + theme_cache.normal_style->get_margin(SIDE_RIGHT));
127 }
128 ofs.y = (get_size().height - tex_size.height) / 2 + theme_cache.check_v_offset;
129
130 if (is_pressed()) {
131 on_tex->draw(ci, ofs);
132 } else {
133 off_tex->draw(ci, ofs);
134 }
135 } break;
136 }
137}
138
139void CheckButton::_bind_methods() {
140 BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, CheckButton, h_separation);
141 BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, CheckButton, check_v_offset);
142 BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, CheckButton, normal_style, "normal");
143
144 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, checked);
145 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, unchecked);
146 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, checked_disabled);
147 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, unchecked_disabled);
148 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, checked_mirrored);
149 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, unchecked_mirrored);
150 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, checked_disabled_mirrored);
151 BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, CheckButton, unchecked_disabled_mirrored);
152}
153
154CheckButton::CheckButton(const String &p_text) :
155 Button(p_text) {
156 set_toggle_mode(true);
157
158 set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
159
160 if (is_layout_rtl()) {
161 _set_internal_margin(SIDE_LEFT, get_icon_size().width);
162 } else {
163 _set_internal_margin(SIDE_RIGHT, get_icon_size().width);
164 }
165}
166
167CheckButton::~CheckButton() {
168}
169