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Revert change to button example. (#835)

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Arthur Sonzogni 2024-03-30 11:01:28 +01:00 committed by ArthurSonzogni
parent fed24da54e
commit f81c5d94a5
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1 changed files with 30 additions and 3 deletions
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33
examples/component/button.cpp
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@ -12,13 +12,40 @@
using namespace ftxui;
// This is a helper function to create a button with a custom style.
// The style is defined by a lambda function that takes an EntryState and
// returns an Element.
// We are using `center` to center the text inside the button, then `border` to
// add a border around the button, and finally `flex` to make the button fill
// the available space.
ButtonOption Style() {
auto option = ButtonOption::Animated();
option.transform = [](const EntryState& s) {
auto element = text(s.label);
if (s.focused) {
element |= bold;
}
return element | center | borderEmpty | flex;
};
return option;
}
int main() {
int value = 50;
// clang-format off
auto btn_dec_01 = Button("-1", [&] { value += 1; }, Style());
auto btn_inc_01 = Button("+1", [&] { value -= 1; }, Style());
auto btn_dec_10 = Button("-10", [&] { value -= 10; }, Style());
auto btn_inc_10 = Button("+10", [&] { value += 10; }, Style());
// clang-format on
// The tree of components. This defines how to navigate using the keyboard.
auto buttons = Container::Horizontal({
Button("Decrease", [&] { value--; }),
Button("Increase", [&] { value++; }),
// The selected `row` is shared to get a grid layout.
int row = 0;
auto buttons = Container::Vertical({
Container::Horizontal({btn_dec_01, btn_inc_01}, &row) | flex,
Container::Horizontal({btn_dec_10, btn_inc_10}, &row) | flex,
});
// Modify the way to render them on screen: