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Code Issues Activity Actions

Calculator: Add a Rounding menu

Browse source 
This menu has three actions. Each one of them enable a different level
of rounding: to 0, 2 or 4 digits.
This commit is contained in:
Lucas CHOLLET 2022-09-22 16:54:46 +02:00 • committed by Tim Flynn
parent 164094e161
commit de568f87fd
5 changed files with 35 additions and 5 deletions
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19
Userland/Applications/Calculator/main.cpp
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@ -8,6 +8,7 @@
#include <LibCore/System.h>
#include <LibCrypto/NumberTheory/ModularFunctions.h>
#include <LibGUI/Action.h>
#include <LibGUI/ActionGroup.h>
#include <LibGUI/Application.h>
#include <LibGUI/Clipboard.h>
#include <LibGUI/Icon.h>
@ -16,8 +17,6 @@
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <LibMain/Main.h>
#include <stdio.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
@ -70,6 +69,22 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
widget->set_entry(Crypto::BigFraction { Crypto::SignedBigInteger(16180339887), power });
}));
auto& round_menu = window->add_menu("&Round");
GUI::ActionGroup preview_actions;
static constexpr auto rounding_modes = Array { 0, 2, 4 };
for (auto const rounding_mode : rounding_modes) {
auto round_action = GUI::Action::create_checkable(String::formatted("To &{} digits", rounding_mode), [&widget, rounding_mode](auto&) {
widget->set_rounding_length(rounding_mode);
});
preview_actions.add_action(*round_action);
round_menu.add_action(*round_action);
}
preview_actions.set_exclusive(true);
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Calculator", app_icon, window));