1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* Copyright (c) 2021-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "GoToOffsetDialog.h"
#include <AK/DeprecatedString.h>
#include <Applications/HexEditor/GoToOffsetDialogGML.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/Widget.h>
GUI::Dialog::ExecResult GoToOffsetDialog::show(GUI::Window* parent_window, int& history_offset, int& out_offset, int selection_offset, int buffer_size)
{
auto dialog = GoToOffsetDialog::construct();
dialog->m_selection_offset = selection_offset;
dialog->m_buffer_size = buffer_size;
if (parent_window)
dialog->set_icon(parent_window->icon());
if (history_offset)
dialog->m_text_editor->set_text(DeprecatedString::formatted("{}", history_offset));
auto result = dialog->exec();
if (result != ExecResult::OK)
return result;
auto input_offset = dialog->process_input();
history_offset = move(input_offset);
auto new_offset = dialog->calculate_new_offset(input_offset);
dbgln("Go to offset: value={}", new_offset);
out_offset = move(new_offset);
return ExecResult::OK;
}
int GoToOffsetDialog::process_input()
{
auto input_offset = m_text_editor->text().trim_whitespace();
int offset;
auto type = m_offset_type_box->text().trim_whitespace();
if (type == "Decimal") {
offset = DeprecatedString::formatted("{}", input_offset).to_int().value_or(0);
} else if (type == "Hexadecimal") {
offset = strtol(DeprecatedString::formatted("{}", input_offset).characters(), nullptr, 16);
} else {
VERIFY_NOT_REACHED();
}
return offset;
}
int GoToOffsetDialog::calculate_new_offset(int input_offset)
{
int new_offset;
auto from = m_offset_from_box->text().trim_whitespace();
if (from == "Start") {
new_offset = input_offset;
} else if (from == "End") {
new_offset = m_buffer_size - input_offset;
} else if (from == "Here") {
new_offset = input_offset + m_selection_offset;
} else {
VERIFY_NOT_REACHED();
}
if (new_offset > m_buffer_size)
new_offset = m_buffer_size;
if (new_offset < 0)
new_offset = 0;
return new_offset;
}
void GoToOffsetDialog::update_statusbar()
{
auto new_offset = calculate_new_offset(process_input());
m_statusbar->set_text(0, DeprecatedString::formatted("HEX: {:#08X}", new_offset));
m_statusbar->set_text(1, DeprecatedString::formatted("DEC: {}", new_offset));
}
GoToOffsetDialog::GoToOffsetDialog()
: Dialog(nullptr)
{
resize(300, 80);
center_on_screen();
set_resizable(false);
set_title("Go to Offset");
auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
if (!main_widget->load_from_gml(go_to_offset_dialog_gml))
VERIFY_NOT_REACHED();
m_text_editor = *main_widget->find_descendant_of_type_named<GUI::TextBox>("text_editor");
m_go_button = *main_widget->find_descendant_of_type_named<GUI::Button>("go_button");
m_offset_type_box = *main_widget->find_descendant_of_type_named<GUI::ComboBox>("offset_type");
m_offset_from_box = *main_widget->find_descendant_of_type_named<GUI::ComboBox>("offset_from");
m_statusbar = *main_widget->find_descendant_of_type_named<GUI::Statusbar>("statusbar");
m_offset_type.append("Decimal");
m_offset_type.append("Hexadecimal");
m_offset_type_box->set_model(GUI::ItemListModel<DeprecatedString>::create(m_offset_type));
m_offset_type_box->set_selected_index(0);
m_offset_type_box->set_only_allow_values_from_model(true);
m_offset_from.append("Start");
m_offset_from.append("Here");
m_offset_from.append("End");
m_offset_from_box->set_model(GUI::ItemListModel<DeprecatedString>::create(m_offset_from));
m_offset_from_box->set_selected_index(0);
m_offset_from_box->set_only_allow_values_from_model(true);
m_go_button->on_click = [this](auto) {
done(ExecResult::OK);
};
m_go_button->set_default(true);
m_text_editor->on_change = [this]() {
auto text = m_text_editor->text();
if (text.starts_with("0x"sv)) {
m_offset_type_box->set_selected_index(1);
m_text_editor->set_text(text.replace("0x"sv, ""sv, ReplaceMode::FirstOnly));
}
update_statusbar();
};
m_offset_type_box->on_change = [this](auto&, auto&) {
update_statusbar();
};
m_offset_from_box->on_change = [this](auto&, auto&) {
update_statusbar();
};
update_statusbar();
}
|
