1 /**
2  * File name: RkButton.cpp
3  * Project: Redkite (A small GUI toolkit)
4  *
5  * Copyright (C) 2020 Iurie Nistor <http://geontime.com>
6  *
7  * This file is part of Redkite.
8  *
9  * Redkite is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23 
24 #include "RkButton.h"
25 #include "RkButtonImpl.h"
26 #include "RkPainter.h"
27 #include "RkEvent.h"
28 
RkButton(RkWidget * parent)29 RkButton::RkButton(RkWidget *parent)
30         : RkWidget(parent, std::make_unique<RkButtonImpl>(this, parent))
31         , impl_ptr{static_cast<RkButtonImpl*>(o_ptr.get())}
32 {
33         if (parent)
34                 setBackgroundColor(parent->background());
35 }
36 
setText(const std::string & text)37 void RkButton::setText(const std::string &text)
38 {
39         impl_ptr->setText(text);
40         update();
41 }
42 
text() const43 std::string RkButton::text() const
44 {
45         return impl_ptr->text();
46 }
47 
setImage(const RkImage & img,RkButton::State state)48 void RkButton::setImage(const RkImage &img, RkButton::State state)
49 {
50         impl_ptr->setImage(img, state);
51         update();
52 }
53 
isPressed() const54 bool RkButton::isPressed() const
55 {
56 	return impl_ptr->isPressed();
57 }
58 
setPressed(bool pressed)59 void RkButton::setPressed(bool pressed)
60 {
61         if (isPressed() != pressed) {
62                 impl_ptr->setPressed(pressed);
63                 update();
64         }
65 }
66 
setCheckable(bool b)67 void RkButton::setCheckable(bool b)
68 {
69         if (isCheckable() != b) {
70                 setType(b ? ButtonType::ButtonCheckable : ButtonType::ButtonUncheckable);
71                 update();
72         }
73 }
74 
isCheckable() const75 bool RkButton::isCheckable() const
76 {
77         return type() == ButtonType::ButtonCheckable;
78 }
79 
type() const80 RkButton::ButtonType RkButton::type() const
81 {
82         return impl_ptr->type();
83 }
84 
setType(RkButton::ButtonType type)85 void RkButton::setType(RkButton::ButtonType type)
86 {
87         if (impl_ptr->type() != type) {
88                 impl_ptr->setType(type);
89                 update();
90         }
91 }
92 
mouseButtonPressEvent(RkMouseEvent * event)93 void RkButton::mouseButtonPressEvent(RkMouseEvent *event)
94 {
95         RK_UNUSED(event);
96         if (type() == ButtonType::ButtonCheckable) {
97                 setPressed(!isPressed());
98                 action toggled(isPressed());
99         } else if ((type() == ButtonType::ButtonUncheckable || type() == ButtonType::ButtonPush)
100                    && !isPressed()) {
101                 setPressed(true);
102                 action toggled(true);
103         }
104         action pressed();
105 }
106 
mouseButtonReleaseEvent(RkMouseEvent * event)107 void RkButton::mouseButtonReleaseEvent(RkMouseEvent *event)
108 {
109         if (type() == ButtonType::ButtonPush) {
110                 setPressed(false);
111                 action toggled(false);
112         }
113         action released();
114 }
115 
hoverEvent(RkHoverEvent * event)116 void RkButton::hoverEvent(RkHoverEvent *event)
117 {
118         impl_ptr->setEmphasize(event->isHover());
119         update();
120 }
121 
paintEvent(RkPaintEvent * event)122 void RkButton::paintEvent(RkPaintEvent *event)
123 {
124 	RK_UNUSED(event);
125         RkPainter painter(this);
126         painter.fillRect(rect(), background());
127         impl_ptr->drawButton(painter);
128 }
129