52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
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#include <XCEditor/Widgets/UIEditorFieldRowLayout.h>
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#include <algorithm>
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namespace XCEngine::UI::Editor::Widgets {
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namespace {
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float ClampNonNegative(float value) {
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return (std::max)(0.0f, value);
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}
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} // namespace
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UIEditorFieldRowLayout BuildUIEditorFieldRowLayout(
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const ::XCEngine::UI::UIRect& bounds,
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float minimumControlWidth,
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const UIEditorFieldRowLayoutMetrics& metrics) {
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const float rowHeight = bounds.height > 0.0f ? bounds.height : metrics.rowHeight;
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const ::XCEngine::UI::UIRect rowBounds(bounds.x, bounds.y, bounds.width, rowHeight);
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const float resolvedMinimumControlWidth =
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ClampNonNegative((std::min)(minimumControlWidth, rowBounds.width));
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const float preferredControlX = rowBounds.x + metrics.controlColumnStart;
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const float maximumControlX =
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rowBounds.x + rowBounds.width - metrics.controlTrailingInset - resolvedMinimumControlWidth;
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const float controlX =
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(std::clamp)(
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(std::min)(preferredControlX, maximumControlX),
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rowBounds.x,
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rowBounds.x + rowBounds.width - metrics.controlTrailingInset);
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const float controlInsetY = (std::min)(metrics.controlInsetY, rowBounds.height * 0.25f);
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const float controlWidth =
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ClampNonNegative(rowBounds.x + rowBounds.width - metrics.controlTrailingInset - controlX);
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UIEditorFieldRowLayout layout = {};
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layout.bounds = rowBounds;
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layout.labelRect = ::XCEngine::UI::UIRect(
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rowBounds.x + metrics.horizontalPadding,
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rowBounds.y,
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ClampNonNegative(controlX - metrics.labelControlGap - rowBounds.x - metrics.horizontalPadding),
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rowBounds.height);
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layout.controlRect = ::XCEngine::UI::UIRect(
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controlX,
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rowBounds.y + controlInsetY,
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controlWidth,
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ClampNonNegative(rowBounds.height - controlInsetY * 2.0f));
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return layout;
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}
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} // namespace XCEngine::UI::Editor::Widgets
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