97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
#pragma once
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#include <XCEngine/UI/DrawData.h>
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#include <XCEngine/UI/Types.h>
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#include <cstdint>
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namespace XCEngine::UI::Editor::Widgets {
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enum class UIEditorScrollViewHitTargetKind : std::uint8_t {
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None = 0,
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Content,
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ScrollbarTrack,
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ScrollbarThumb
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};
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struct UIEditorScrollViewState {
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bool focused = false;
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bool hovered = false;
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bool scrollbarHovered = false;
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bool draggingScrollbarThumb = false;
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};
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struct UIEditorScrollViewMetrics {
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float scrollbarWidth = 10.0f;
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float scrollbarInset = 4.0f;
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float minThumbHeight = 28.0f;
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float cornerRounding = 6.0f;
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float borderThickness = 1.0f;
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float focusedBorderThickness = 2.0f;
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float wheelStep = 48.0f;
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};
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struct UIEditorScrollViewPalette {
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::XCEngine::UI::UIColor surfaceColor =
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::XCEngine::UI::UIColor(0.14f, 0.14f, 0.14f, 1.0f);
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::XCEngine::UI::UIColor borderColor =
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::XCEngine::UI::UIColor(0.29f, 0.29f, 0.29f, 1.0f);
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::XCEngine::UI::UIColor focusedBorderColor =
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::XCEngine::UI::UIColor(0.84f, 0.84f, 0.84f, 1.0f);
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::XCEngine::UI::UIColor scrollbarTrackColor =
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::XCEngine::UI::UIColor(0.18f, 0.18f, 0.18f, 1.0f);
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::XCEngine::UI::UIColor scrollbarThumbColor =
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::XCEngine::UI::UIColor(0.31f, 0.31f, 0.31f, 1.0f);
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::XCEngine::UI::UIColor scrollbarThumbHoverColor =
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::XCEngine::UI::UIColor(0.38f, 0.38f, 0.38f, 1.0f);
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::XCEngine::UI::UIColor scrollbarThumbActiveColor =
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::XCEngine::UI::UIColor(0.46f, 0.46f, 0.46f, 1.0f);
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};
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struct UIEditorScrollViewLayout {
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::XCEngine::UI::UIRect bounds = {};
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::XCEngine::UI::UIRect contentRect = {};
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::XCEngine::UI::UIRect scrollbarTrackRect = {};
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::XCEngine::UI::UIRect scrollbarThumbRect = {};
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float contentHeight = 0.0f;
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float verticalOffset = 0.0f;
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float maxOffset = 0.0f;
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bool hasScrollbar = false;
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};
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struct UIEditorScrollViewHitTarget {
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UIEditorScrollViewHitTargetKind kind = UIEditorScrollViewHitTargetKind::None;
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};
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bool IsUIEditorScrollViewPointInside(
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const ::XCEngine::UI::UIRect& rect,
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const ::XCEngine::UI::UIPoint& point);
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float ClampUIEditorScrollViewOffset(
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const ::XCEngine::UI::UIRect& bounds,
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float contentHeight,
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float verticalOffset,
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const UIEditorScrollViewMetrics& metrics = {});
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UIEditorScrollViewLayout BuildUIEditorScrollViewLayout(
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const ::XCEngine::UI::UIRect& bounds,
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float contentHeight,
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float verticalOffset,
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const UIEditorScrollViewMetrics& metrics = {});
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::XCEngine::UI::UIPoint ResolveUIEditorScrollViewContentOrigin(
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const UIEditorScrollViewLayout& layout);
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UIEditorScrollViewHitTarget HitTestUIEditorScrollView(
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const UIEditorScrollViewLayout& layout,
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const ::XCEngine::UI::UIPoint& point);
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void AppendUIEditorScrollViewBackground(
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::XCEngine::UI::UIDrawList& drawList,
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const UIEditorScrollViewLayout& layout,
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const UIEditorScrollViewState& state,
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const UIEditorScrollViewPalette& palette = {},
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const UIEditorScrollViewMetrics& metrics = {});
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} // namespace XCEngine::UI::Editor::Widgets
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