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Add flex_grow and flex_shrink.

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Two new elements:
- flex_grow  : Expand the element to occupy free space.
- flex_shrink: Minimize the element leave away missing space.

flex = flex_grow | flex_shrink.

Other changes:
- hbox and vbox are now non flexible by default.
- the vtext element has been added to help writting tests.
- Many new tests.
This commit is contained in:
ArthurSonzogni
2020-06-01 23:40:32 +02:00
committed by Arthur Sonzogni
parent 7f7775ba62
commit 08ee49f3e6
17 changed files with 929 additions and 189 deletions
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10
src/ftxui/dom/hflow.cpp
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@@ -15,10 +15,12 @@ class HFlow : public Node {
~HFlow() {}
void ComputeRequirement() override {
requirement_.min_x = 0;
requirement_.min_y = 0;
requirement_.flex_x = 1;
requirement_.flex_y = 1;
requirement_.min_x = 1;
requirement_.min_y = 1;
requirement_.flex_grow_x = 1;
requirement_.flex_grow_y = 1;
requirement_.flex_shrink_x = 0;
requirement_.flex_shrink_y = 0;
for (auto& child : children)
child->ComputeRequirement();
}