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Using TAB key event.

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A key event that makes use of TAB key to cycle the elements.

Co-authored-by: Trim Bresilla <trim.bresilla@gmail.com>"
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
ArthurSonzogni
2019-11-01 19:52:41 +01:00
parent 7f0381e30a
commit 22f8f0d3b7
6 changed files with 54 additions and 55 deletions
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23
src/ftxui/component/toggle.cpp
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@@ -6,7 +6,7 @@ Element Toggle::Render() {
bool is_focused = Focused();
Elements children;
for(size_t i = 0; i<entries.size(); ++i) {
for (size_t i = 0; i < entries.size(); ++i) {
// Separator.
if (i != 0)
children.push_back(separator());
@@ -22,21 +22,18 @@ Element Toggle::Render() {
}
bool Toggle::OnEvent(Event event) {
if (selected > 0 &&
(event == Event::ArrowLeft || event == Event::Character('h'))) {
int old_selected = selected;
if (event == Event::ArrowLeft || event == Event::Character('h'))
selected--;
on_change();
return true;
}
if (selected < int(entries.size()) - 1 &&
(event == Event::ArrowRight || event == Event::Character('l'))) {
if (event == Event::ArrowRight || event == Event::Character('l'))
selected++;
on_change();
return true;
}
if (event == Event::Tab && entries.size())
selected = (selected + 1) % entries.size();
if (event == Event::TabReverse && entries.size())
selected = (selected + entries.size() - 1) % entries.size();
return false;
selected = std::max(0, std::min(int(entries.size()) - 1, selected));
return old_selected != selected;
}
} // namespace ftxui