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Merge dom and component focus (#978)

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Instead of two levels of focus with `focus` and `selected`, use a recursive
level. The components set the one "active" and hbox/vbox/dbox 

Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Ayaan
2025-03-19 20:03:05 +05:30
committed by GitHub
parent 8519e9b0f3
commit b0e087ecef
38 changed files with 431 additions and 341 deletions
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22
src/ftxui/dom/gridbox.cpp
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@@ -49,13 +49,7 @@ class GridBox : public Node {
}
void ComputeRequirement() override {
requirement_.min_x = 0;
requirement_.min_y = 0;
requirement_.flex_grow_x = 0;
requirement_.flex_grow_y = 0;
requirement_.flex_shrink_x = 0;
requirement_.flex_shrink_y = 0;
requirement_ = Requirement{};
for (auto& line : lines_) {
for (auto& cell : line) {
cell->ComputeRequirement();
@@ -75,19 +69,15 @@ class GridBox : public Node {
requirement_.min_x = Integrate(size_x);
requirement_.min_y = Integrate(size_y);
// Forward the selected/focused child state:
requirement_.selection = Requirement::NORMAL;
// Forward the focused/focused child state:
for (int x = 0; x < x_size; ++x) {
for (int y = 0; y < y_size; ++y) {
if (requirement_.selection >= lines_[y][x]->requirement().selection) {
if (requirement_.focused.enabled ||
!lines_[y][x]->requirement().focused.enabled) {
continue;
}
requirement_.selection = lines_[y][x]->requirement().selection;
requirement_.selected_box = lines_[y][x]->requirement().selected_box;
requirement_.selected_box.x_min += size_x[x];
requirement_.selected_box.x_max += size_x[x];
requirement_.selected_box.y_min += size_y[y];
requirement_.selected_box.y_max += size_y[y];
requirement_.focused = lines_[y][x]->requirement().focused;
requirement_.focused.box.Shift(size_x[x], size_y[y]);
}
}
}