mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-10-31 00:17:44 +08:00
Simplify the requirement struct.
This commit is contained in:
parent
3490d56662
commit
7f7775ba62
@ -11,23 +11,20 @@ namespace ftxui {
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struct Requirement {
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// The required size to fully draw the element.
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struct {
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int x = 0;
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int y = 0;
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} min;
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int min_x = 0;
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int min_y = 0;
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// How much flexibility is given to the component.
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struct {
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int x = 0;
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int y = 0;
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} flex;
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int flex_x = 0;
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int flex_y = 0;
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// Frame.
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// Focus management to support the frame/focus/select element.
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enum Selection {
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NORMAL = 0,
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SELECTED = 1,
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FOCUSED = 2,
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} selection = NORMAL;
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};
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Selection selection = NORMAL;
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Box selected_box;
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};
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@ -300,7 +300,7 @@ void ScreenInteractive::Draw(Component* component) {
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case Dimension::TerminalOutput:
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document->ComputeRequirement();
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dimx = Terminal::Size().dimx;
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dimy = document->requirement().min.y;
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dimy = document->requirement().min_y;
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break;
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case Dimension::Fullscreen:
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dimx = Terminal::Size().dimx;
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@ -309,8 +309,8 @@ void ScreenInteractive::Draw(Component* component) {
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case Dimension::FitComponent:
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auto terminal = Terminal::Size();
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document->ComputeRequirement();
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dimx = std::min(document->requirement().min.x, terminal.dimx);
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dimy = std::min(document->requirement().min.y, terminal.dimy);
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dimx = std::min(document->requirement().min_x, terminal.dimx);
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dimy = std::min(document->requirement().min_y, terminal.dimy);
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break;
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}
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@ -27,11 +27,11 @@ class Border : public Node {
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void ComputeRequirement() override {
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Node::ComputeRequirement();
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requirement_ = children[0]->requirement();
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requirement_.min.x += 2;
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requirement_.min.y += 2;
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requirement_.min_x += 2;
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requirement_.min_y += 2;
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if (children.size() == 2) {
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requirement_.min.x =
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std::max(requirement_.min.x, children[1]->requirement().min.x + 2);
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requirement_.min_x =
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std::max(requirement_.min_x, children[1]->requirement().min_x + 2);
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}
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requirement_.selected_box.x_min++;
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requirement_.selected_box.x_max++;
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@ -15,16 +15,16 @@ class DBox : public Node {
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~DBox() {}
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void ComputeRequirement() override {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.flex.x = 1;
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requirement_.flex.y = 0;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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requirement_.flex_x = 1;
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requirement_.flex_y = 0;
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for (auto& child : children) {
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child->ComputeRequirement();
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requirement_.min.x =
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std::max(requirement_.min.x, child->requirement().min.x);
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requirement_.min.y =
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std::max(requirement_.min.y, child->requirement().min.y);
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requirement_.min_x =
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std::max(requirement_.min_x, child->requirement().min_x);
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requirement_.min_y =
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std::max(requirement_.min_y, child->requirement().min_y);
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if (requirement_.selection < child->requirement().selection) {
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requirement_.selection = child->requirement().selection;
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@ -13,14 +13,14 @@ class Flex : public Node {
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Flex(Element child) : Node(unpack(std::move(child))) {}
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~Flex() override {}
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void ComputeRequirement() override {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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if (!children.empty()) {
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children[0]->ComputeRequirement();
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requirement_ = children[0]->requirement();
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}
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requirement_.flex.x = 1;
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requirement_.flex.y = 1;
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requirement_.flex_x = 1;
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requirement_.flex_y = 1;
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}
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void SetBox(Box box) override {
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@ -36,14 +36,14 @@ class NotFlex : public Flex {
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NotFlex(Element child) : Flex(std::move(child)) {}
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~NotFlex() override {}
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void ComputeRequirement() override {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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if (!children.empty()) {
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children[0]->ComputeRequirement();
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requirement_ = children[0]->requirement();
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}
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requirement_.flex.x = 0;
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requirement_.flex.y = 0;
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requirement_.flex_x = 0;
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requirement_.flex_y = 0;
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}
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};
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@ -23,8 +23,8 @@ class Select : public Node {
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auto& selected_box = requirement_.selected_box;
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selected_box.x_min = 0;
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selected_box.y_min = 0;
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selected_box.x_max = requirement_.min.x;
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selected_box.y_max = requirement_.min.y;
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selected_box.x_max = requirement_.min_x;
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selected_box.y_max = requirement_.min_y;
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requirement_.selection = Requirement::SELECTED;
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};
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@ -76,8 +76,8 @@ class Frame : public Node {
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int external_dimx = box.x_max - box.x_min;
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int external_dimy = box.y_max - box.y_min;
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int internal_dimx = std::max(requirement_.min.x, external_dimx);
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int internal_dimy = std::max(requirement_.min.y, external_dimy);
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int internal_dimx = std::max(requirement_.min_x, external_dimx);
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int internal_dimy = std::max(requirement_.min_y, external_dimy);
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auto& selected_box = requirement_.selected_box;
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int focused_dimx = selected_box.x_max - selected_box.x_min;
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@ -96,13 +96,13 @@ class Frame : public Node {
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// int dx = box.x_max - box.x_min;
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// int dy = box.y_max - box.y_min;
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// int cdx = std::min(children[0].requirement().min.x
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// int cdx = std::min(children[0].requirement().min_x
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// Box children_box;
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// children_box.x_min =
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// if (box.x_max - box.x_min >= children[0].requirement().min.x && //
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// if (box.x_max - box.x_min >= children[0].requirement().min_x && //
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// box.y_max - box.y_min >= children[0].requirement().min.y) {
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// box.y_max - box.y_min >= children[0].requirement().min_y) {
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// children_[0]->SetBox(box);
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// dx = 0;
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// dy = 0;
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@ -15,8 +15,8 @@ class Gauge : public Node {
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~Gauge() override {}
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void ComputeRequirement() override {
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requirement_.flex.x = 1;
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requirement_.min.y = 1;
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requirement_.flex_x = 1;
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requirement_.min_y = 1;
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}
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void Render(Screen& screen) override {
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@ -14,10 +14,10 @@ class Graph : public Node {
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~Graph() override {}
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void ComputeRequirement() override {
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requirement_.flex.x = 1;
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requirement_.flex.y = 1;
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requirement_.min.x = 1;
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requirement_.min.y = 1;
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requirement_.flex_x = 1;
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requirement_.flex_y = 1;
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requirement_.min_x = 1;
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requirement_.min_y = 1;
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}
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void Render(Screen& screen) override {
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@ -15,21 +15,21 @@ class HBox : public Node {
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~HBox() {}
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void ComputeRequirement() override {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.flex.x = 1;
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requirement_.flex.y = 0;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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requirement_.flex_x = 1;
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requirement_.flex_y = 0;
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for (auto& child : children) {
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child->ComputeRequirement();
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if (requirement_.selection < child->requirement().selection) {
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requirement_.selection = child->requirement().selection;
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requirement_.selected_box = child->requirement().selected_box;
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requirement_.selected_box.x_min += requirement_.min.x;
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requirement_.selected_box.x_max += requirement_.min.x;
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requirement_.selected_box.x_min += requirement_.min_x;
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requirement_.selected_box.x_max += requirement_.min_x;
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}
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requirement_.min.x += child->requirement().min.x;
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requirement_.min.y =
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std::max(requirement_.min.y, child->requirement().min.y);
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requirement_.min_x += child->requirement().min_x;
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requirement_.min_y =
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std::max(requirement_.min_y, child->requirement().min_y);
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}
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}
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@ -38,10 +38,10 @@ class HBox : public Node {
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int flex_sum = 0;
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for (auto& child : children)
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flex_sum += child->requirement().flex.x;
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flex_sum += child->requirement().flex_x;
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int space = box.x_max - box.x_min + 1;
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int extra_space = space - requirement_.min.x;
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int extra_space = space - requirement_.min_x;
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int remaining_flex = flex_sum;
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int remaining_extra_space = extra_space;
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@ -51,13 +51,13 @@ class HBox : public Node {
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Box child_box = box;
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child_box.x_min = x;
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child_box.x_max = x + child->requirement().min.x - 1;
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child_box.x_max = x + child->requirement().min_x - 1;
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if (child->requirement().flex.x) {
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int added_space = remaining_extra_space * child->requirement().flex.x /
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if (child->requirement().flex_x) {
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int added_space = remaining_extra_space * child->requirement().flex_x /
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remaining_flex;
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remaining_extra_space -= added_space;
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remaining_flex -= child->requirement().flex.x;
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remaining_flex -= child->requirement().flex_x;
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child_box.x_max += added_space;
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}
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child_box.x_max = std::min(child_box.x_max, box.x_max);
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@ -15,10 +15,10 @@ class HFlow : public Node {
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~HFlow() {}
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void ComputeRequirement() override {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.flex.x = 1;
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requirement_.flex.y = 1;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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requirement_.flex_x = 1;
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requirement_.flex_y = 1;
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for (auto& child : children)
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child->ComputeRequirement();
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}
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@ -35,25 +35,25 @@ class HFlow : public Node {
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Requirement requirement = child->requirement();
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// Does it fit the end of the row?
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if (x + requirement.min.x > box.x_max) {
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if (x + requirement.min_x > box.x_max) {
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// No? Use the next row.
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x = box.x_min;
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y = y_next;
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}
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// Does the current row big enough to contain the element?
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if (y + requirement.min.y > box.y_max + 1)
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if (y + requirement.min_y > box.y_max + 1)
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break; // No? Ignore the element.
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Box children_box;
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children_box.x_min = x;
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children_box.x_max = x + requirement.min.x - 1;
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children_box.x_max = x + requirement.min_x - 1;
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children_box.y_min = y;
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children_box.y_max = y + requirement.min.y - 1;
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children_box.y_max = y + requirement.min_y - 1;
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child->SetBox(children_box);
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x = x + requirement.min.x;
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y_next = std::max(y_next, y + requirement.min.y);
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x = x + requirement.min_x;
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y_next = std::max(y_next, y + requirement.min_y);
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}
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}
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};
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@ -13,8 +13,8 @@ class Separator : public Node {
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Separator() {}
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~Separator() override {}
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void ComputeRequirement() override {
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requirement_.min.x = 1;
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requirement_.min.y = 1;
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requirement_.min_x = 1;
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requirement_.min_y = 1;
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}
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void Render(Screen& screen) override {
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@ -23,7 +23,7 @@ class Size : public Node {
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Node::ComputeRequirement();
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requirement_ = children[0]->requirement();
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auto& value = direction_ == WIDTH ? requirement_.min.x : requirement_.min.y;
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auto& value = direction_ == WIDTH ? requirement_.min_x : requirement_.min_y;
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switch (constraint_) {
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case LESS_THAN:
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@ -38,9 +38,9 @@ class Size : public Node {
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}
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if (direction_ == WIDTH)
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requirement_.flex.x = 0;
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requirement_.flex_x = 0;
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else
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requirement_.flex.y = 0;
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requirement_.flex_y = 0;
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}
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void SetBox(Box box) override {
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@ -15,8 +15,8 @@ class Text : public Node {
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~Text() {}
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void ComputeRequirement() override {
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requirement_.min.x = wstring_width(text_);
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requirement_.min.y = 1;
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requirement_.min_x = wstring_width(text_);
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requirement_.min_y = 1;
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}
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void Render(Screen& screen) override {
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@ -16,21 +16,21 @@ class VBox : public Node {
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~VBox() {}
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void ComputeRequirement() {
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requirement_.min.x = 0;
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requirement_.min.y = 0;
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requirement_.flex.x = 0;
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requirement_.flex.y = 1;
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requirement_.min_x = 0;
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requirement_.min_y = 0;
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requirement_.flex_x = 0;
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requirement_.flex_y = 1;
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for (auto& child : children) {
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child->ComputeRequirement();
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if (requirement_.selection < child->requirement().selection) {
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requirement_.selection = child->requirement().selection;
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requirement_.selected_box = child->requirement().selected_box;
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requirement_.selected_box.y_min += requirement_.min.y;
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requirement_.selected_box.y_max += requirement_.min.y;
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requirement_.selected_box.y_min += requirement_.min_y;
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requirement_.selected_box.y_max += requirement_.min_y;
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}
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requirement_.min.y += child->requirement().min.y;
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requirement_.min.x =
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std::max(requirement_.min.x, child->requirement().min.x);
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requirement_.min_y += child->requirement().min_y;
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requirement_.min_x =
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std::max(requirement_.min_x, child->requirement().min_x);
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}
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}
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@ -39,10 +39,10 @@ class VBox : public Node {
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int flex_sum = 0;
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for (auto& child : children)
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flex_sum += child->requirement().flex.y;
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flex_sum += child->requirement().flex_y;
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int space = box.y_max - box.y_min + 1;
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int extra_space = space - requirement_.min.y;
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int extra_space = space - requirement_.min_y;
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int remaining_flex = flex_sum;
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int remaining_extra_space = extra_space;
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@ -52,13 +52,13 @@ class VBox : public Node {
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Box child_box = box;
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child_box.y_min = y;
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child_box.y_max = y + child->requirement().min.y - 1;
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child_box.y_max = y + child->requirement().min_y - 1;
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if (child->requirement().flex.y) {
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int added_space = remaining_extra_space * child->requirement().flex.y /
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if (child->requirement().flex_y) {
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int added_space = remaining_extra_space * child->requirement().flex_y /
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remaining_flex;
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remaining_extra_space -= added_space;
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remaining_flex -= child->requirement().flex.y;
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remaining_flex -= child->requirement().flex_y;
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child_box.y_max += added_space;
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}
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child_box.y_max = std::min(child_box.y_max, box.y_max);
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@ -55,8 +55,8 @@ Dimension Dimension::Fixed(int v) {
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Dimension Dimension::Fit(std::shared_ptr<Node>& e) {
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e->ComputeRequirement();
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Terminal::Dimensions size = Terminal::Size();
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return Dimension{std::min(e->requirement().min.x, size.dimx),
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std::min(e->requirement().min.y, size.dimy)};
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return Dimension{std::min(e->requirement().min_x, size.dimx),
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std::min(e->requirement().min_y, size.dimy)};
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}
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Dimension Dimension::Full() {
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