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Calculator: Treat constants and pasted numbers as input

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Constants and pasted numbers leave Keypad in the External
state which causes subsequent operations to be performed
without an argument.
This commit is contained in:
Samuel Eisenhandler 2023-02-02 23:10:13 -05:00 • committed by Sam Atkins
parent f58668031d
commit c5360b1a5f
5 changed files with 26 additions and 7 deletions
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16
Userland/Applications/Calculator/Keypad.cpp
View file

@ -16,6 +16,7 @@ void Keypad::type_digit(int digit)
{
switch (m_state) {
case State::External:
case State::TypedExternal:
m_state = State::TypingInteger;
m_int_value = digit;
m_frac_value.set_to_0();
@ -40,6 +41,7 @@ void Keypad::type_decimal_point()
{
switch (m_state) {
case State::External:
case State::TypedExternal:
m_int_value.set_to_0();
m_frac_value.set_to_0();
m_frac_length.set_to_0();
@ -60,6 +62,7 @@ void Keypad::type_backspace()
{
switch (m_state) {
case State::External:
case State::TypedExternal:
m_int_value.set_to_0();
m_frac_value.set_to_0();
m_frac_length.set_to_0();
@ -83,7 +86,7 @@ void Keypad::type_backspace()
Crypto::BigFraction Keypad::value() const
{
if (m_state != State::External) {
if (m_state != State::External && m_state != State::TypedExternal) {
Crypto::SignedBigInteger sum { m_int_value.multiplied_by(Crypto::NumberTheory::Power("10"_bigint, m_frac_length)).plus(m_frac_value) };
Crypto::BigFraction res { move(sum), Crypto::NumberTheory::Power("10"_bigint, m_frac_length) };
@ -100,6 +103,13 @@ void Keypad::set_value(Crypto::BigFraction value)
m_internal_value = move(value);
}
void Keypad::set_typed_value(Crypto::BigFraction value)
{
m_state = State::TypedExternal;
m_internal_value = move(value);
}
void Keypad::set_to_0()
{
m_int_value.set_to_0();
@ -113,7 +123,7 @@ void Keypad::set_to_0()
DeprecatedString Keypad::to_deprecated_string() const
{
if (m_state == State::External)
if (m_state == State::External || m_state == State::TypedExternal)
return m_internal_value.to_deprecated_string(m_displayed_fraction_length);
StringBuilder builder;
@ -137,7 +147,7 @@ DeprecatedString Keypad::to_deprecated_string() const
bool Keypad::in_typing_state() const
{
return m_state == State::TypingDecimal || m_state == State::TypingInteger;
return m_state == State::TypedExternal || m_state == State::TypingDecimal || m_state == State::TypingInteger;
}
void Keypad::set_rounding_length(unsigned rounding_threshold)