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Update UI (mouse) handling

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This commit is contained in:
Lee Clagett
2025-05-19 18:15:50 -04:00
parent 5a524c4232
commit 42b1ae1d68
6 changed files with 100 additions and 38 deletions
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src/components/table.cpp
+72 -8
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@@ -43,8 +43,12 @@ namespace lwcli { namespace component
const table_generator generator_;
const table_on_key key_;
const std::vector<std::vector<std::string>> title_;
std::vector<std::array<ftxui::Box, 2>> boxes_;
ftxui::Box box_;
std::ptrdiff_t rows_;
std::ptrdiff_t selected_;
std::ptrdiff_t highlighted_;
const std::size_t columns_;
static constexpr std::ptrdiff_t min_row() noexcept { return 0; };
bool Focusable() const override final { return true; }
@@ -67,8 +71,12 @@ namespace lwcli { namespace component
generator_(std::move(generator)),
key_(std::move(key)),
title_(get_title_bar(std::move(title))),
boxes_(),
box_(),
rows_(0),
selected_(-1)
selected_(-1),
highlighted_(-1),
columns_(title_.empty() ? 0 : title_.at(0).size())
{
set_size(generator_().size());
}
@@ -88,12 +96,43 @@ namespace lwcli { namespace component
bool OnEvent(ftxui::Event event) override final
{
if (event.is_mouse())
const auto original = selected_;
if (event.is_mouse() && box_.Contain(event.mouse().x, event.mouse().y))
{
if (event.mouse().button == ftxui::Mouse::WheelDown && can_increment())
{
++selected_;
if (!Focused())
TakeFocus();
}
else if (event.mouse().button == ftxui::Mouse::WheelUp && can_decrement())
{
--selected_;// = std::max(min_row(), selected_ - 1);
if (!Focused())
TakeFocus();
}
else
{
highlighted_ = -1;
const auto x = event.mouse().x;
const auto y = event.mouse().y;
const auto match = std::lower_bound(boxes_.begin(), boxes_.end(), y, [] (const auto& lhs, const auto rhs) {
return std::get<0>(lhs).y_min < rhs;
});
if (match != boxes_.end() && ftxui::Box::Union(std::get<0>(*match), std::get<1>(*match)).Contain(x, y))
{
const std::size_t i = match - boxes_.begin();
highlighted_ = i;
if (key_(event, i))
{
selected_ = i;
TakeFocus();
}
return true;
}
}
}
else if (event == ftxui::Event::ArrowDown && can_increment())
++selected_;
@@ -106,6 +145,8 @@ namespace lwcli { namespace component
else if (min_row() <= selected_ && selected_ < rows_)
return key_(std::move(event), std::size_t(selected_));
if (original != selected_)
highlighted_ = -1;
return min_row() <= selected_ && selected_ - min_row() < rows_;
}
@@ -123,7 +164,22 @@ namespace lwcli { namespace component
auto title = table.SelectRow(0);
title.Decorate(ftxui::bold);
title.SeparatorVertical(ftxui::LIGHT);
//title.Border(ftxui::LIGHT);
}
if (columns_)
{
const std::size_t offset = title_.size();
boxes_.resize(rows_);
for (std::size_t i = offset; i < rows_ + offset; ++i)
{
auto& boxes = boxes_.at(i - offset);
auto cell1 = table.SelectCell(0, i);
cell1.DecorateCells(ftxui::reflect(std::get<0>(boxes)));
auto cell2 = table.SelectCell(columns_ - 1, i);
cell2.DecorateCells(ftxui::reflect(std::get<1>(boxes)));
}
}
if (Focused())
@@ -132,16 +188,24 @@ namespace lwcli { namespace component
selected_ = min_row();
else if (rows_ <= selected_ - min_row())
selected_ = rows_ - 1 + min_row();
}
if (min_row() <= selected_ && selected_ < rows_)
if (min_row() <= selected_ && selected_ < rows_)
{
auto row = table.SelectRow(std::size_t(selected_) + title_.size());
row.Decorate(ftxui::inverted);
row.Decorate(ftxui::focus);
}
}
else
selected_ = -1;
if (selected_ != highlighted_ && min_row() <= highlighted_ && highlighted_ < rows_)
{
auto row = table.SelectRow(std::size_t(selected_) + title_.size());
auto row = table.SelectRow(std::size_t(highlighted_) + title_.size());
row.Decorate(ftxui::inverted);
row.Decorate(ftxui::focus);
}
return table.Render();
return table.Render() | ftxui::reflect(box_);
}
};
} // anonymous