Refactor XCUI editor module layout

new_editor/include/XCEditor/Shell/UIEditorMenuBar.h

@@ -0,0 +1,120 @@
+#pragma once
+
+#include <XCEngine/UI/DrawData.h>
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace XCEngine::UI::Editor::Widgets {
+
+inline constexpr std::size_t UIEditorMenuBarInvalidIndex =
+    static_cast<std::size_t>(-1);
+
+struct UIEditorMenuBarItem {
+    std::string menuId = {};
+    std::string label = {};
+    bool enabled = true;
+    float desiredLabelWidth = 0.0f;
+};
+
+struct UIEditorMenuBarState {
+    std::size_t openIndex = UIEditorMenuBarInvalidIndex;
+    std::size_t hoveredIndex = UIEditorMenuBarInvalidIndex;
+    bool focused = false;
+};
+
+struct UIEditorMenuBarMetrics {
+    float barHeight = 34.0f;
+    float horizontalInset = 10.0f;
+    float verticalInset = 4.0f;
+    float buttonGap = 6.0f;
+    float buttonPaddingX = 14.0f;
+    float estimatedGlyphWidth = 7.0f;
+    float labelInsetY = -1.0f;
+    float barCornerRounding = 8.0f;
+    float buttonCornerRounding = 6.0f;
+    float baseBorderThickness = 1.0f;
+    float focusedBorderThickness = 2.0f;
+    float openBorderThickness = 1.5f;
+};
+
+struct UIEditorMenuBarPalette {
+    ::XCEngine::UI::UIColor barColor =
+        ::XCEngine::UI::UIColor(0.18f, 0.18f, 0.19f, 1.0f);
+    ::XCEngine::UI::UIColor buttonColor =
+        ::XCEngine::UI::UIColor(0.21f, 0.22f, 0.24f, 1.0f);
+    ::XCEngine::UI::UIColor buttonHoveredColor =
+        ::XCEngine::UI::UIColor(0.27f, 0.28f, 0.30f, 1.0f);
+    ::XCEngine::UI::UIColor buttonOpenColor =
+        ::XCEngine::UI::UIColor(0.33f, 0.35f, 0.38f, 1.0f);
+    ::XCEngine::UI::UIColor borderColor =
+        ::XCEngine::UI::UIColor(0.30f, 0.32f, 0.34f, 1.0f);
+    ::XCEngine::UI::UIColor focusedBorderColor =
+        ::XCEngine::UI::UIColor(0.78f, 0.80f, 0.84f, 1.0f);
+    ::XCEngine::UI::UIColor openBorderColor =
+        ::XCEngine::UI::UIColor(0.50f, 0.52f, 0.56f, 1.0f);
+    ::XCEngine::UI::UIColor textPrimary =
+        ::XCEngine::UI::UIColor(0.93f, 0.94f, 0.96f, 1.0f);
+    ::XCEngine::UI::UIColor textMuted =
+        ::XCEngine::UI::UIColor(0.70f, 0.72f, 0.74f, 1.0f);
+    ::XCEngine::UI::UIColor textDisabled =
+        ::XCEngine::UI::UIColor(0.54f, 0.55f, 0.58f, 1.0f);
+};
+
+struct UIEditorMenuBarLayout {
+    ::XCEngine::UI::UIRect bounds = {};
+    ::XCEngine::UI::UIRect contentRect = {};
+    std::vector<::XCEngine::UI::UIRect> buttonRects = {};
+};
+
+enum class UIEditorMenuBarHitTargetKind : std::uint8_t {
+    None = 0,
+    BarBackground,
+    Button
+};
+
+struct UIEditorMenuBarHitTarget {
+    UIEditorMenuBarHitTargetKind kind = UIEditorMenuBarHitTargetKind::None;
+    std::size_t index = UIEditorMenuBarInvalidIndex;
+};
+
+float ResolveUIEditorMenuBarDesiredButtonWidth(
+    const UIEditorMenuBarItem& item,
+    const UIEditorMenuBarMetrics& metrics = {});
+
+UIEditorMenuBarLayout BuildUIEditorMenuBarLayout(
+    const ::XCEngine::UI::UIRect& bounds,
+    const std::vector<UIEditorMenuBarItem>& items,
+    const UIEditorMenuBarMetrics& metrics = {});
+
+UIEditorMenuBarHitTarget HitTestUIEditorMenuBar(
+    const UIEditorMenuBarLayout& layout,
+    const ::XCEngine::UI::UIPoint& point);
+
+void AppendUIEditorMenuBarBackground(
+    ::XCEngine::UI::UIDrawList& drawList,
+    const UIEditorMenuBarLayout& layout,
+    const std::vector<UIEditorMenuBarItem>& items,
+    const UIEditorMenuBarState& state,
+    const UIEditorMenuBarPalette& palette = {},
+    const UIEditorMenuBarMetrics& metrics = {});
+
+void AppendUIEditorMenuBarForeground(
+    ::XCEngine::UI::UIDrawList& drawList,
+    const UIEditorMenuBarLayout& layout,
+    const std::vector<UIEditorMenuBarItem>& items,
+    const UIEditorMenuBarState& state,
+    const UIEditorMenuBarPalette& palette = {},
+    const UIEditorMenuBarMetrics& metrics = {});
+
+void AppendUIEditorMenuBar(
+    ::XCEngine::UI::UIDrawList& drawList,
+    const ::XCEngine::UI::UIRect& bounds,
+    const std::vector<UIEditorMenuBarItem>& items,
+    const UIEditorMenuBarState& state,
+    const UIEditorMenuBarPalette& palette = {},
+    const UIEditorMenuBarMetrics& metrics = {});
+
+} // namespace XCEngine::UI::Editor::Widgets