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HexEditor: Make HexEditor::open_new_file fallible and reduce branching

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Returning a `bool` is meaningless, so let's make it more expresive :^)
This commit is contained in:
James Puleo 2022-07-28 03:34:15 -04:00 • committed by Tim Flynn
parent 035d63f528
commit 88cf40179d
3 changed files with 15 additions and 18 deletions
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20
Userland/Applications/HexEditor/HexEditorWidget.cpp
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@ -95,17 +95,19 @@ HexEditorWidget::HexEditorWidget()
m_new_action = GUI::Action::create("New", { Mod_Ctrl, Key_N }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/new.png"sv).release_value_but_fixme_should_propagate_errors(), [this](const GUI::Action&) {
String value;
if (request_close() && GUI::InputBox::show(window(), value, "Enter new file size:"sv, "New file size"sv) == GUI::InputBox::ExecResult::OK && !value.is_empty()) {
auto file_size = value.to_int();
if (file_size.has_value() && file_size.value() > 0) {
window()->set_modified(false);
if (!m_editor->open_new_file(file_size.value())) {
GUI::MessageBox::show(window(), "Entered file size is too large."sv, "Error"sv, GUI::MessageBox::Type::Error);
return;
}
set_path({});
} else {
auto file_size = value.to_uint();
if (!file_size.has_value()) {
GUI::MessageBox::show(window(), "Invalid file size entered."sv, "Error"sv, GUI::MessageBox::Type::Error);
return;
}
if (auto error = m_editor->open_new_file(file_size.value()); error.is_error()) {
GUI::MessageBox::show(window(), String::formatted("Unable to open new file: {}"sv, error.error()), "Error"sv, GUI::MessageBox::Type::Error);
return;
}
set_path({});
window()->set_modified(false);
}
});