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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, Window* parent_window)
37{
38 auto box = MessageBox::construct(text, title, type, input_type);
39 if (parent_window)
40 parent_window->add_child(box);
41 return box->exec();
42}
43
44MessageBox::MessageBox(const StringView& text, const StringView& title, Type type, InputType input_type, Window* parent_window)
45 : Dialog(parent_window)
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 = set_main_widget<Widget>();
95
96 int text_width = widget.font().width(m_text);
97 int icon_width = 0;
98
99 widget.set_layout<VerticalBoxLayout>();
100 widget.set_fill_with_background_color(true);
101
102 widget.layout()->set_margins({ 0, 15, 0, 15 });
103 widget.layout()->set_spacing(15);
104
105 RefPtr<Widget> message_container = widget;
106 if (m_type != Type::None) {
107 message_container = widget.add<Widget>();
108 message_container->set_layout<HorizontalBoxLayout>();
109 message_container->layout()->set_margins({ 8, 0, 8, 0 });
110 message_container->layout()->set_spacing(8);
111
112 auto& icon_label = message_container->add<Label>();
113 icon_label.set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
114 icon_label.set_preferred_size(32, 32);
115 icon_label.set_icon(icon());
116 icon_width = icon_label.icon()->width();
117 }
118
119 auto& label = message_container->add<Label>(m_text);
120 label.set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
121 label.set_preferred_size(text_width, 16);
122
123 auto& button_container = widget.add<Widget>();
124 button_container.set_layout<HorizontalBoxLayout>();
125 button_container.layout()->set_spacing(5);
126 button_container.layout()->set_margins({ 15, 0, 15, 0 });
127
128 auto add_button = [&](String label, Dialog::ExecResult result) {
129 auto& button = button_container.add<Button>();
130 button.set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
131 button.set_preferred_size(0, 20);
132 button.set_text(label);
133 button.on_click = [this, label, result] {
134 dbg() << "GUI::MessageBox: '" << label << "' button clicked";
135 done(result);
136 };
137 };
138
139 if (should_include_ok_button())
140 add_button("OK", Dialog::ExecOK);
141 if (should_include_yes_button())
142 add_button("Yes", Dialog::ExecYes);
143 if (should_include_no_button())
144 add_button("No", Dialog::ExecNo);
145 if (should_include_cancel_button())
146 add_button("Cancel", Dialog::ExecCancel);
147
148 set_rect(x(), y(), text_width + icon_width + 80, 100);
149 set_resizable(false);
150}
151
152}