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Allow a Dimension::Fit to extend beyond the terminal maximum height

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Boris Jaulmes
2024-11-04 19:48:07 +01:00
committed by Boris Jaulmes
parent 55af678fb9
commit da7eebd98f
2 changed files with 9 additions and 5 deletions
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2
include/ftxui/dom/elements.hpp
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@@ -183,7 +183,7 @@ Element align_right(Element);
Element nothing(Element element);
namespace Dimension {
Dimensions Fit(Element&);
Dimensions Fit(Element&, bool extend_beyond_screen = false);
} // namespace Dimension
} // namespace ftxui

12
src/ftxui/dom/util.cpp
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@@ -90,7 +90,7 @@ Element& operator|=(Element& e, Decorator d) {
/// The minimal dimension that will fit the given element.
/// @see Fixed
/// @see Full
Dimensions Dimension::Fit(Element& e) {
Dimensions Dimension::Fit(Element& e, bool extend_beyond_screen) {
const Dimensions fullsize = Dimension::Full();
Box box;
box.x_min = 0;
@@ -106,7 +106,9 @@ Dimensions Dimension::Fit(Element& e) {
// Don't give the element more space than it needs:
box.x_max = std::min(box.x_max, e->requirement().min_x);
box.y_max = std::min(box.y_max, e->requirement().min_y);
box.y_max = extend_beyond_screen
? e->requirement().min_y // can exceed size in Y if extend_beyond_screen==true
: std::min(box.y_max, e->requirement().min_y);
e->SetBox(box);
status.need_iteration = false;
@@ -116,10 +118,12 @@ Dimensions Dimension::Fit(Element& e) {
if (!status.need_iteration) {
break;
}
// Increase the size of the box until it fits, but not more than the with of
// Increase the size of the box until it fits, but not more than the size of
// the terminal emulator:
box.x_max = std::min(e->requirement().min_x, fullsize.dimx);
box.y_max = std::min(e->requirement().min_y, fullsize.dimy);
box.y_max = extend_beyond_screen
? e->requirement().min_y // can exceed size in Y if extend_beyond_screen==true
: std::min(e->requirement().min_y, fullsize.dimy);
}
return {