Changes to vt/cursor.go. All files

vt/cursor.go

new file mode 100644@@ -0,0 +1,54 @@+// Copyright 2026 The TCell Authors+//+// Licensed under the Apache License, Version 2.0 (the "License");+// you may not use this file except in compliance with the License.+// You may obtain a copy of the License at+//+//	http://www.apache.org/licenses/LICENSE-2.0+//+// Unless required by applicable law or agreed to in writing, software+// distributed under the License is distributed on an "AS IS" BASIS,+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.+// See the License for the specific language governing permissions and+// limitations under the License.+package vt++// CursorStyle represents the style of cursor, and covers the shape, whether it+// blinks, and whether it is visible.  Cursor color is handled separately, if at all.+type CursorStyle byte++const (+	SteadyBlock = CursorStyle(iota) // The default+	SteadyBar+	SteadyUnderline+	BlinkingBlock     = SteadyBlock | blinkingCursor+	BlinkingBar       = SteadyBar | blinkingCursor+	BlinkingUnderline = SteadyUnderline | blinkingCursor++	hiddenCursor   = CursorStyle(1 << 7) // If set, cursor should be hidden+	blinkingCursor = CursorStyle(1 << 6) // If set, cursor should blink+)++func (cs CursorStyle) IsVisible() bool {+	return cs&hiddenCursor == 0+}++func (cs CursorStyle) IsBlinking() bool {+	return cs&blinkingCursor != 0+}++func (cs CursorStyle) Hide() CursorStyle {+	return cs | hiddenCursor+}++func (cs CursorStyle) Show() CursorStyle {+	return cs &^ hiddenCursor+}++func (cs CursorStyle) Blink() CursorStyle {+	return cs | blinkingCursor+}++func (cs CursorStyle) Steady() CursorStyle {+	return cs &^ blinkingCursor+}