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Code Issues Activity Actions

Calculator: Port interface to GML (#4742)

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Glenford Williams 2021-01-03 16:27:24 -05:00 • committed by GitHub
parent bf45a28a89
commit 7dc52e04fe
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4 changed files with 306 additions and 90 deletions
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118
Applications/Calculator/CalculatorWidget.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021 Glenford Williams <gw_dev@outlook.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -25,6 +26,7 @@
*/
#include "CalculatorWidget.h"
#include "Applications/Calculator/CalculatorGML.h"
#include <AK/Assertions.h>
#include <LibGUI/Button.h>
#include <LibGUI/Label.h>
@ -35,150 +37,100 @@
CalculatorWidget::CalculatorWidget()
{
set_fill_with_background_color(true);
load_from_gml(calculator_gml);
m_entry = add<GUI::TextBox>();
m_entry = *find_descendant_of_type_named<GUI::TextBox>("entry_textbox");
m_entry->set_relative_rect(5, 5, 244, 26);
m_entry->set_text_alignment(Gfx::TextAlignment::CenterRight);
m_entry->set_font(Gfx::FontDatabase::default_fixed_width_font());
m_label = add<GUI::Label>();
m_label->set_relative_rect(12, 42, 27, 27);
m_label = *find_descendant_of_type_named<GUI::Label>("label");
m_label->set_frame_shadow(Gfx::FrameShadow::Sunken);
m_label->set_frame_shape(Gfx::FrameShape::Container);
m_label->set_frame_thickness(2);
auto label_palette = m_label->palette();
label_palette.set_color(Gfx::ColorRole::WindowText, Color::Red);
m_label->set_palette(label_palette);
update_display();
for (int i = 0; i < 10; i++) {
m_digit_button[i] = add<GUI::Button>();
auto& button = *m_digit_button[i];
int p = i ? i + 2 : 0;
int x = 55 + (p % 3) * 39;
int y = 177 - (p / 3) * 33;
button.move_to(x, y);
add_digit_button(button, i);
m_digit_button[i] = *find_descendant_of_type_named<GUI::Button>(String::formatted("{}_button", i));
add_digit_button(*m_digit_button[i], i);
}
m_mem_add_button = add<GUI::Button>();
m_mem_add_button->move_to(9, 177);
m_mem_add_button->set_text("M+");
m_mem_add_button = *find_descendant_of_type_named<GUI::Button>("mem_add_button");
add_operation_button(*m_mem_add_button, Calculator::Operation::MemAdd);
m_mem_save_button = add<GUI::Button>();
m_mem_save_button->move_to(9, 144);
m_mem_save_button->set_text("MS");
m_mem_save_button = *find_descendant_of_type_named<GUI::Button>("mem_save_button");
add_operation_button(*m_mem_save_button, Calculator::Operation::MemSave);
m_mem_recall_button = add<GUI::Button>();
m_mem_recall_button->move_to(9, 111);
m_mem_recall_button->set_text("MR");
m_mem_recall_button = *find_descendant_of_type_named<GUI::Button>("mem_recall_button");
add_operation_button(*m_mem_recall_button, Calculator::Operation::MemRecall);
m_mem_clear_button = add<GUI::Button>();
m_mem_clear_button->move_to(9, 78);
m_mem_clear_button->set_text("MC");
m_mem_clear_button = *find_descendant_of_type_named<GUI::Button>("mem_clear_button");
add_operation_button(*m_mem_clear_button, Calculator::Operation::MemClear);
m_clear_button = add<GUI::Button>();
m_clear_button->set_text("C");
m_clear_button = *find_descendant_of_type_named<GUI::Button>("clear_button");
m_clear_button->on_click = [this](auto) {
m_keypad.set_value(0.0);
m_calculator.clear_operation();
update_display();
};
add_button(*m_clear_button, Color::Red);
m_clear_button->set_relative_rect(187, 40, 60, 28);
m_clear_error_button = add<GUI::Button>();
m_clear_error_button->set_text("CE");
m_clear_error_button = *find_descendant_of_type_named<GUI::Button>("clear_error_button");
m_clear_error_button->on_click = [this](auto) {
m_keypad.set_value(0.0);
update_display();
};
add_button(*m_clear_error_button, Color::Red);
m_clear_error_button->set_relative_rect(124, 40, 59, 28);
m_backspace_button = add<GUI::Button>();
m_backspace_button->set_text("Backspace");
m_backspace_button = *find_descendant_of_type_named<GUI::Button>("backspace_button");
m_backspace_button->on_click = [this](auto) {
m_keypad.type_backspace();
update_display();
};
add_button(*m_backspace_button, Color::Red);
m_backspace_button->set_relative_rect(55, 40, 65, 28);
m_decimal_point_button = add<GUI::Button>();
m_decimal_point_button->move_to(133, 177);
m_decimal_point_button->set_text(".");
m_decimal_point_button = *find_descendant_of_type_named<GUI::Button>("decimal_button");
m_decimal_point_button->on_click = [this](auto) {
m_keypad.type_decimal_point();
update_display();
};
add_button(*m_decimal_point_button, Color::Blue);
m_sign_button = add<GUI::Button>();
m_sign_button->move_to(94, 177);
m_sign_button->set_text("+/-");
add_operation_button(*m_sign_button, Calculator::Operation::ToggleSign, Color::Blue);
m_sign_button = *find_descendant_of_type_named<GUI::Button>("sign_button");
add_operation_button(*m_sign_button, Calculator::Operation::ToggleSign);
m_add_button = add<GUI::Button>();
m_add_button->move_to(172, 177);
m_add_button->set_text("+");
m_add_button = *find_descendant_of_type_named<GUI::Button>("add_button");
add_operation_button(*m_add_button, Calculator::Operation::Add);
m_subtract_button = add<GUI::Button>();
m_subtract_button->move_to(172, 144);
m_subtract_button->set_text("-");
m_subtract_button = *find_descendant_of_type_named<GUI::Button>("subtract_button");
add_operation_button(*m_subtract_button, Calculator::Operation::Subtract);
m_multiply_button = add<GUI::Button>();
m_multiply_button->move_to(172, 111);
m_multiply_button->set_text("*");
m_multiply_button = *find_descendant_of_type_named<GUI::Button>("multiply_button");
add_operation_button(*m_multiply_button, Calculator::Operation::Multiply);
m_divide_button = add<GUI::Button>();
m_divide_button->move_to(172, 78);
m_divide_button->set_text("/");
m_divide_button = *find_descendant_of_type_named<GUI::Button>("divide_button");
add_operation_button(*m_divide_button, Calculator::Operation::Divide);
m_sqrt_button = add<GUI::Button>();
m_sqrt_button->move_to(211, 78);
m_sqrt_button->set_text("sqrt");
add_operation_button(*m_sqrt_button, Calculator::Operation::Sqrt, Color::Blue);
m_sqrt_button = *find_descendant_of_type_named<GUI::Button>("sqrt_button");
add_operation_button(*m_sqrt_button, Calculator::Operation::Sqrt);
m_inverse_button = add<GUI::Button>();
m_inverse_button->move_to(211, 144);
m_inverse_button->set_text("1/x");
add_operation_button(*m_inverse_button, Calculator::Operation::Inverse, Color::Blue);
m_inverse_button = *find_descendant_of_type_named<GUI::Button>("inverse_button");
add_operation_button(*m_inverse_button, Calculator::Operation::Inverse);
m_percent_button = add<GUI::Button>();
m_percent_button->move_to(211, 111);
m_percent_button->set_text("%");
add_operation_button(*m_percent_button, Calculator::Operation::Percent, Color::Blue);
m_percent_button = *find_descendant_of_type_named<GUI::Button>("mod_button");
add_operation_button(*m_percent_button, Calculator::Operation::Percent);
m_equals_button = add<GUI::Button>();
m_equals_button->move_to(211, 177);
m_equals_button->set_text("=");
m_equals_button = *find_descendant_of_type_named<GUI::Button>("equal_button");
m_equals_button->on_click = [this](auto) {
double argument = m_keypad.value();
double res = m_calculator.finish_operation(argument);
m_keypad.set_value(res);
update_display();
};
add_button(*m_equals_button, Color::Red);
}
CalculatorWidget::~CalculatorWidget()
{
}
void CalculatorWidget::add_operation_button(GUI::Button& button, Calculator::Operation operation, Color text_color)
void CalculatorWidget::add_operation_button(GUI::Button& button, Calculator::Operation operation)
{
add_button(button, text_color);
button.on_click = [this, operation](auto) {
double argument = m_keypad.value();
double res = m_calculator.begin_operation(operation, argument);
@ -189,22 +141,12 @@ void CalculatorWidget::add_operation_button(GUI::Button& button, Calculator::Ope
void CalculatorWidget::add_digit_button(GUI::Button& button, int digit)
{
add_button(button, Color::Blue);
button.set_text(String::number(digit));
button.on_click = [this, digit](auto) {
m_keypad.type_digit(digit);
update_display();
};
}
void CalculatorWidget::add_button(GUI::Button& button, Color text_color)
{
button.resize(35, 28);
auto palette = button.palette();
palette.set_color(Gfx::ColorRole::ButtonText, text_color);
button.set_palette(palette);
}
void CalculatorWidget::update_display()
{
m_entry->set_text(m_keypad.to_string());