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Calculator: Utilize Button mimic_pressed to show when keys are pressed

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This commit is contained in:
ForLoveOfCats 2022-03-02 12:54:03 -05:00 • committed by Linus Groh
parent e8f6a650ad
commit 0d0ba375e2
Notes: sideshowbarker 2024-07-17 17:59:00 +09:00
2 changed files with 37 additions and 1 deletions
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34
Userland/Applications/Calculator/CalculatorWidget.cpp
View file

@ -10,6 +10,7 @@
#include "CalculatorWidget.h"
#include "KeypadValue.h"
#include <Applications/Calculator/CalculatorGML.h>
#include <LibCore/Event.h>
#include <LibGUI/Button.h>
#include <LibGUI/Label.h>
#include <LibGUI/TextBox.h>
@ -134,6 +135,20 @@ void CalculatorWidget::set_entry(KeypadValue value)
update_display();
}
void CalculatorWidget::mimic_pressed_button(RefPtr<GUI::Button> button)
{
constexpr int TIMER_MS = 80;
if (!m_mimic_pressed_button.is_null())
m_mimic_pressed_button->set_mimic_pressed(false);
button->set_mimic_pressed(true);
m_mimic_pressed_button = button;
stop_timer();
start_timer(TIMER_MS, Core::TimerShouldFireWhenNotVisible::Yes);
}
void CalculatorWidget::update_display()
{
m_entry->set_text(m_keypad.to_string());
@ -151,33 +166,44 @@ void CalculatorWidget::keydown_event(GUI::KeyEvent& event)
if (event.key() == KeyCode::Key_Return || event.key() == KeyCode::Key_Equal) {
m_keypad.set_value(m_calculator.finish_operation(m_keypad.value()));
mimic_pressed_button(m_equals_button);
} else if (event.code_point() >= '0' && event.code_point() <= '9') {
m_keypad.type_digit(event.code_point() - '0');
u32 digit = event.code_point() - '0';
m_keypad.type_digit(digit);
mimic_pressed_button(m_digit_button[digit]);
} else if (event.code_point() == '.') {
m_keypad.type_decimal_point();
mimic_pressed_button(m_decimal_point_button);
} else if (event.key() == KeyCode::Key_Escape) {
m_keypad.set_value(0.0);
m_calculator.clear_operation();
mimic_pressed_button(m_clear_button);
} else if (event.key() == KeyCode::Key_Backspace) {
m_keypad.type_backspace();
mimic_pressed_button(m_backspace_button);
} else {
Calculator::Operation operation;
switch (event.code_point()) {
case '+':
operation = Calculator::Operation::Add;
mimic_pressed_button(m_add_button);
break;
case '-':
operation = Calculator::Operation::Subtract;
mimic_pressed_button(m_subtract_button);
break;
case '*':
operation = Calculator::Operation::Multiply;
mimic_pressed_button(m_multiply_button);
break;
case '/':
operation = Calculator::Operation::Divide;
mimic_pressed_button(m_divide_button);
break;
case '%':
operation = Calculator::Operation::Percent;
mimic_pressed_button(m_percent_button);
break;
default:
return;
@ -188,3 +214,9 @@ void CalculatorWidget::keydown_event(GUI::KeyEvent& event)
update_display();
}
void CalculatorWidget::timer_event(Core::TimerEvent&)
{
if (!m_mimic_pressed_button.is_null())
m_mimic_pressed_button->set_mimic_pressed(false);
}

4
Userland/Applications/Calculator/CalculatorWidget.h
View file

@ -26,9 +26,11 @@ private:
void add_operation_button(GUI::Button&, Calculator::Operation);
void add_digit_button(GUI::Button&, int digit);
void mimic_pressed_button(RefPtr<GUI::Button>);
void update_display();
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void timer_event(Core::TimerEvent&) override;
Calculator m_calculator;
Keypad m_keypad;
@ -54,4 +56,6 @@ private:
RefPtr<GUI::Button> m_inverse_button;
RefPtr<GUI::Button> m_percent_button;
RefPtr<GUI::Button> m_equals_button;
RefPtr<GUI::Button> m_mimic_pressed_button {};
};