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HexEditor: Find
Added search submenu with options to find or find again. Find allows to search for ASII string or sequence of Hex value.
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7 changed files with 294 additions and 1 deletions
166
Userland/Applications/HexEditor/FindDialog.cpp
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166
Userland/Applications/HexEditor/FindDialog.cpp
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/*
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* Copyright (c) 2021, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "FindDialog.h"
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#include <AK/Hex.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/RadioButton.h>
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#include <LibGUI/TextBox.h>
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#include <LibGUI/Widget.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/FontDatabase.h>
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struct Option {
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String title;
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OptionId opt;
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bool enabled;
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bool default_action;
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};
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static const Vector<Option> options = {
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{ "ACII String", OPTION_ASCII_STRING, true, true },
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{ "Hex value", OPTION_HEX_VALUE, true, false },
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};
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int FindDialog::show(GUI::Window* parent_window, String& out_text, ByteBuffer& out_buffer)
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{
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auto dialog = FindDialog::construct();
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if (parent_window)
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dialog->set_icon(parent_window->icon());
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if (!out_text.is_empty() && !out_text.is_null())
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dialog->m_text_editor->set_text(out_text);
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auto result = dialog->exec();
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if (result != GUI::Dialog::ExecOK)
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return result;
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auto processed = dialog->process_input(dialog->text_value(), dialog->selected_option());
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out_text = dialog->text_value();
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if (processed.is_error()) {
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GUI::MessageBox::show_error(parent_window, processed.error());
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result = GUI::Dialog::ExecAborted;
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} else {
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out_buffer = move(processed.value());
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}
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dbgln("Find: value={} option={}", dialog->text_value().characters(), (int)dialog->selected_option());
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return result;
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}
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Result<ByteBuffer, String> FindDialog::process_input(String text_value, OptionId opt)
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{
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dbgln("process_input opt={}", (int)opt);
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switch (opt) {
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case OPTION_ASCII_STRING: {
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if (text_value.is_empty())
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return String("Input is empty");
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return text_value.to_byte_buffer();
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}
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case OPTION_HEX_VALUE: {
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text_value.replace(" ", "", true);
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auto decoded = decode_hex(text_value.substring_view(0, text_value.length()));
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if (!decoded.has_value())
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return String("Input contains invalid hex values.");
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return decoded.value();
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}
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default:
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ASSERT_NOT_REACHED();
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}
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}
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FindDialog::FindDialog()
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: Dialog(nullptr)
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{
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resize(280, 180 + ((static_cast<int>(options.size()) - 3) * 16));
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center_on_screen();
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set_resizable(false);
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set_title("Find");
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auto& main = set_main_widget<GUI::Widget>();
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main.set_layout<GUI::VerticalBoxLayout>();
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main.layout()->set_margins({ 8, 8, 8, 8 });
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main.layout()->set_spacing(8);
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main.set_fill_with_background_color(true);
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auto& find_prompt_container = main.add<GUI::Widget>();
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find_prompt_container.set_layout<GUI::HorizontalBoxLayout>();
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find_prompt_container.add<GUI::Label>("Value to find");
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m_text_editor = find_prompt_container.add<GUI::TextBox>();
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m_text_editor->set_fixed_height(19);
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for (size_t i = 0; i < options.size(); i++) {
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auto action = options[i];
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auto& radio = main.add<GUI::RadioButton>();
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radio.set_enabled(action.enabled);
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radio.set_text(action.title);
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radio.on_checked = [this, i](auto) {
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m_selected_option = options[i].opt;
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};
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if (action.default_action) {
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radio.set_checked(true);
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m_selected_option = options[i].opt;
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}
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}
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auto& button_box = main.add<GUI::Widget>();
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button_box.set_layout<GUI::HorizontalBoxLayout>();
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button_box.layout()->set_spacing(8);
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auto& ok_button = button_box.add<GUI::Button>();
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ok_button.on_click = [this](auto) {
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m_text_value = m_text_editor->text();
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done(ExecResult::ExecOK);
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};
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ok_button.set_text("OK");
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auto& cancel_button = button_box.add<GUI::Button>();
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cancel_button.on_click = [this](auto) {
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done(ExecResult::ExecCancel);
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};
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cancel_button.set_text("Cancel");
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}
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FindDialog::~FindDialog()
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{
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}
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