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Serenity Operating System
1/*
2 * Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@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 "ManualModel.h"
28#include "ManualNode.h"
29#include "ManualPageNode.h"
30#include "ManualSectionNode.h"
31
32static ManualSectionNode s_sections[] = {
33 { "1", "Command-line programs" },
34 { "2", "System calls" },
35 { "3", "Libraries" },
36 { "4", "Special files" },
37 { "5", "File formats" },
38 { "6", "Games" },
39 { "7", "Miscellanea" },
40 { "8", "Sysadmin tools" }
41};
42
43ManualModel::ManualModel()
44{
45 // FIXME: need some help from the icon fairy ^)
46 m_section_icon.set_bitmap_for_size(16, Gfx::Bitmap::load_from_file("/res/icons/16x16/book.png"));
47 m_page_icon.set_bitmap_for_size(16, Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-unknown.png"));
48}
49
50String ManualModel::page_path(const GUI::ModelIndex& index) const
51{
52 if (!index.is_valid())
53 return {};
54 auto* node = static_cast<const ManualNode*>(index.internal_data());
55 if (!node->is_page())
56 return {};
57 auto* page = static_cast<const ManualPageNode*>(node);
58 return page->path();
59}
60
61String ManualModel::page_and_section(const GUI::ModelIndex& index) const
62{
63 if (!index.is_valid())
64 return {};
65 auto* node = static_cast<const ManualNode*>(index.internal_data());
66 if (!node->is_page())
67 return {};
68 auto* page = static_cast<const ManualPageNode*>(node);
69 auto* section = static_cast<const ManualSectionNode*>(page->parent());
70 return String::format("%s(%s)", page->name().characters(), section->section_name().characters());
71}
72
73GUI::ModelIndex ManualModel::index(int row, int column, const GUI::ModelIndex& parent_index) const
74{
75 if (!parent_index.is_valid())
76 return create_index(row, column, &s_sections[row]);
77 auto* parent = static_cast<const ManualNode*>(parent_index.internal_data());
78 auto* child = &parent->children()[row];
79 return create_index(row, column, child);
80}
81
82GUI::ModelIndex ManualModel::parent_index(const GUI::ModelIndex& index) const
83{
84 if (!index.is_valid())
85 return {};
86 auto* child = static_cast<const ManualNode*>(index.internal_data());
87 auto* parent = child->parent();
88 if (parent == nullptr)
89 return {};
90
91 if (parent->parent() == nullptr) {
92 for (size_t row = 0; row < sizeof(s_sections) / sizeof(s_sections[0]); row++)
93 if (&s_sections[row] == parent)
94 return create_index(row, 0, parent);
95 ASSERT_NOT_REACHED();
96 }
97 for (size_t row = 0; row < parent->parent()->children().size(); row++) {
98 ManualNode* child_at_row = &parent->parent()->children()[row];
99 if (child_at_row == parent)
100 return create_index(row, 0, parent);
101 }
102 ASSERT_NOT_REACHED();
103}
104
105int ManualModel::row_count(const GUI::ModelIndex& index) const
106{
107 if (!index.is_valid())
108 return sizeof(s_sections) / sizeof(s_sections[0]);
109 auto* node = static_cast<const ManualNode*>(index.internal_data());
110 return node->children().size();
111}
112
113int ManualModel::column_count(const GUI::ModelIndex&) const
114{
115 return 1;
116}
117
118GUI::Variant ManualModel::data(const GUI::ModelIndex& index, Role role) const
119{
120 auto* node = static_cast<const ManualNode*>(index.internal_data());
121 switch (role) {
122 case Role::Display:
123 return node->name();
124 case Role::Icon:
125 if (node->is_page())
126 return m_page_icon;
127 return m_section_icon;
128 default:
129 return {};
130 }
131}
132
133void ManualModel::update()
134{
135 did_update();
136}