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Model UI capture lifetime in ui core

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This commit is contained in:
omigamedev
2026-06-06 09:40:21 +02:00
parent d963daae70
commit 4071919124
6 changed files with 207 additions and 6 deletions
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14
src/ui_core/node_lifetime.h
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@@ -5,6 +5,7 @@
#include <cstddef>
#include <cstdint>
#include <functional>
#include <array>
#include <vector>
namespace pp::ui {
@@ -52,6 +53,11 @@ struct UiConnection {
return !(left == right);
}
enum class UiCaptureKind : std::uint8_t {
pointer,
keyboard,
};
class NodeLifetimeTree;
class ScopedUiConnection {
@@ -86,6 +92,11 @@ public:
[[nodiscard]] pp::foundation::Result<std::size_t> child_count(NodeHandle node) const noexcept;
[[nodiscard]] pp::foundation::Result<NodeHandle> child_at(NodeHandle node, std::size_t index) const noexcept;
[[nodiscard]] pp::foundation::Status destroy_subtree(NodeHandle node) noexcept;
void clear() noexcept;
[[nodiscard]] pp::foundation::Status capture(UiCaptureKind kind, NodeHandle node) noexcept;
[[nodiscard]] pp::foundation::Status release_capture(UiCaptureKind kind, NodeHandle node) noexcept;
[[nodiscard]] pp::foundation::Result<NodeHandle> captured_node(UiCaptureKind kind) const noexcept;
[[nodiscard]] pp::foundation::Result<UiConnection> connect(NodeHandle node, Callback callback);
[[nodiscard]] pp::foundation::Result<ScopedUiConnection> scoped_connect(NodeHandle node, Callback callback);
@@ -115,13 +126,16 @@ private:
[[nodiscard]] const ConnectionSlot* connection_slot(UiConnection connection) const noexcept;
[[nodiscard]] pp::foundation::Result<NodeHandle> allocate_node(NodeHandle parent);
[[nodiscard]] std::size_t capture_index(UiCaptureKind kind) const noexcept;
void unlink_from_parent(NodeHandle node) noexcept;
void release_connection(UiConnection connection) noexcept;
void release_captures_for_node(NodeHandle node) noexcept;
std::vector<NodeSlot> nodes_;
std::vector<std::uint32_t> free_nodes_;
std::vector<ConnectionSlot> connections_;
std::vector<std::uint32_t> free_connections_;
std::array<NodeHandle, 2> captures_ {};
};
}