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tylerjenningsw
ec1bc8cc99
The Timeline's "Edit Gradient…" on a gradient property (Gradient Fill / Gradient Stroke ▸ Colors, Gradient Overlay) only painted its label. It now opens a Gradient Editor (prop.editGradient): opacity stops above a preview bar and colour stops below. Click to add a stop (it takes that track's own value there), drag or type a Location to move it, set its opacity or colour (egui's colour picker), Delete removes it (never the last of a track, never while typing). The tracks stay in order while editing and the selection follows its stop. The editor works on a draft. OK sets the property once with prop.set at the composition time it opened, snapped to the frame, with timeBase: "comp" (offset and stretched layers get the key where it was opened): one undo step, and nothing at all when the draft is unchanged, so OK adds no keyframe. Cancel and Escape change nothing; Escape with the picker open closes only the picker. On an animated gradient only the keyframe at that time changes; when its stop counts no longer match a neighbouring keyframe's (gradients only blend with equal counts) the editor says so. The draft is saved in the typed form, so one colour stop and each stop's RGBA survive. prop.editGradient checks its target is a gradient property before the UI opens anything, so agents get an error for a wrong one. New Gradient color_at / opacity_at sample one track each (sample() multiplies opacity in, which would apply it twice to a new stop). Tests: ui_gradient_value (fails on main: the value had no automation id), ui_gradient_editor (11), gradient_editor and keyframe unit tests.