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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <LibGUI/BoxLayout.h>
28#include <LibGUI/Button.h>
29#include <LibGUI/Label.h>
30#include <LibGUI/MessageBox.h>
31#include <LibGfx/Font.h>
32#include <stdio.h>
33
34namespace GUI {
35
36int MessageBox::show(const StringView& text, const StringView& title, Type type, InputType input_type, Core::Object* parent)
37{
38 auto box = MessageBox::construct(text, title, type, input_type);
39 if (parent)
40 parent->add_child(box);
41 return box->exec();
42}
43
44MessageBox::MessageBox(const StringView& text, const StringView& title, Type type, InputType input_type, Core::Object* parent)
45 : Dialog(parent)
46 , m_text(text)
47 , m_type(type)
48 , m_input_type(input_type)
49{
50 set_title(title);
51 build();
52}
53
54MessageBox::~MessageBox()
55{
56}
57
58RefPtr<Gfx::Bitmap> MessageBox::icon() const
59{
60 switch (m_type) {
61 case Type::Information:
62 return Gfx::Bitmap::load_from_file("/res/icons/32x32/msgbox-information.png");
63 case Type::Warning:
64 return Gfx::Bitmap::load_from_file("/res/icons/32x32/msgbox-warning.png");
65 case Type::Error:
66 return Gfx::Bitmap::load_from_file("/res/icons/32x32/msgbox-error.png");
67 default:
68 return nullptr;
69 }
70}
71
72bool MessageBox::should_include_ok_button() const
73{
74 return m_input_type == InputType::OK || m_input_type == InputType::OKCancel;
75}
76
77bool MessageBox::should_include_cancel_button() const
78{
79 return m_input_type == InputType::OKCancel || m_input_type == InputType::YesNoCancel;
80}
81
82bool MessageBox::should_include_yes_button() const
83{
84 return m_input_type == InputType::YesNo || m_input_type == InputType::YesNoCancel;
85}
86
87bool MessageBox::should_include_no_button() const
88{
89 return should_include_yes_button();
90}
91
92void MessageBox::build()
93{
94 auto widget = Widget::construct();
95 set_main_widget(widget);
96
97 int text_width = widget->font().width(m_text);
98 int icon_width = 0;
99
100 widget->set_layout(make<VerticalBoxLayout>());
101 widget->set_fill_with_background_color(true);
102
103 widget->layout()->set_margins({ 0, 15, 0, 15 });
104 widget->layout()->set_spacing(15);
105
106 RefPtr<Widget> message_container = widget;
107 if (m_type != Type::None) {
108 message_container = widget->add<Widget>();
109 message_container->set_layout(make<HorizontalBoxLayout>());
110 message_container->layout()->set_margins({ 8, 0, 8, 0 });
111 message_container->layout()->set_spacing(8);
112
113 auto icon_label = message_container->add<Label>();
114 icon_label->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
115 icon_label->set_preferred_size(32, 32);
116 icon_label->set_icon(icon());
117 icon_width = icon_label->icon()->width();
118 }
119
120 auto label = message_container->add<Label>(m_text);
121 label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
122 label->set_preferred_size(text_width, 16);
123
124 auto button_container = widget->add<Widget>();
125 button_container->set_layout(make<HorizontalBoxLayout>());
126 button_container->layout()->set_spacing(5);
127 button_container->layout()->set_margins({ 15, 0, 15, 0 });
128
129 auto add_button = [&](String label, Dialog::ExecResult result) {
130 auto button = button_container->add<Button>();
131 button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
132 button->set_preferred_size(0, 20);
133 button->set_text(label);
134 button->on_click = [this, label, result](auto&) {
135 dbg() << "GUI::MessageBox: '" << label << "' button clicked";
136 done(result);
137 };
138 };
139
140 if (should_include_ok_button())
141 add_button("OK", Dialog::ExecOK);
142 if (should_include_yes_button())
143 add_button("Yes", Dialog::ExecYes);
144 if (should_include_no_button())
145 add_button("No", Dialog::ExecNo);
146 if (should_include_cancel_button())
147 add_button("Cancel", Dialog::ExecCancel);
148
149 set_rect(x(), y(), text_width + icon_width + 80, 100);
150 set_resizable(false);
151}
152
153}