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Code Issues Activity Actions

Calculator: Add a "Custom" entry to the rounding menu

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This entry pop a dialog to ask the user to enter a value. The Calculator
will automatically put itself in this mode if you enter a number with
more digits in the fractional part than the actual maximum length.
This commit is contained in:
Lucas CHOLLET 2022-09-22 16:55:04 +02:00 • committed by Tim Flynn
parent de568f87fd
commit e3b22c395d
8 changed files with 157 additions and 10 deletions
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33
Userland/Applications/Calculator/main.cpp
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@ -5,6 +5,7 @@
*/
#include "CalculatorWidget.h"
#include "RoundingDialog.h"
#include <LibCore/System.h>
#include <LibCrypto/NumberTheory/ModularFunctions.h>
#include <LibGUI/Action.h>
@ -51,7 +52,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto clipboard = GUI::Clipboard::the().fetch_data_and_type();
if (clipboard.mime_type == "text/plain") {
if (!clipboard.data.is_empty()) {
widget->set_entry(Crypto::BigFraction(StringView(clipboard.data)));
auto const number = StringView(clipboard.data);
widget->set_entry(Crypto::BigFraction(number));
}
}
}));
@ -74,16 +76,37 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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);
});
Optional<unsigned> last_rounding_mode = 1;
for (unsigned i {}; i < rounding_modes.size(); ++i) {
auto round_action = GUI::Action::create_checkable(String::formatted("To &{} digits", rounding_modes[i]),
[&widget, rounding_mode = rounding_modes[i], &last_rounding_mode, i](auto&) {
widget->set_rounding_length(rounding_mode);
last_rounding_mode = i;
});
preview_actions.add_action(*round_action);
round_menu.add_action(*round_action);
}
constexpr auto format { "&Custom - {} ..."sv };
auto round_custom = GUI::Action::create_checkable(String::formatted(format, 0), [&](auto& action) {
unsigned custom_rounding_length = widget->rounding_length();
if (RoundingDialog::show(window, custom_rounding_length) == GUI::Dialog::ExecResult::OK) {
action.set_text(String::formatted(format, custom_rounding_length));
widget->set_rounding_length(custom_rounding_length);
last_rounding_mode.clear();
} else if (last_rounding_mode.has_value())
round_menu.action_at(last_rounding_mode.value())->activate();
});
widget->set_rounding_custom(round_custom, format);
preview_actions.add_action(*round_custom);
preview_actions.set_exclusive(true);
round_menu.add_action(*round_custom);
round_menu.action_at(last_rounding_mode.value())->activate();
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Calculator", app_icon, window));