refactor(input): accept various XTWINOPS reports

input/input.go

@@ -36,20 +36,10 @@ type WindowSizeEvent struct {
 	Height int
 }
 
-// WindowAreaEvent is used to report the terminal area size in pixels. This is
-// the response from a [ansi.WindowOp] [ansi.ReportWindowSizeWinOp] request.
-// You can use this along with [WindowSizeEvent] to get the terminal cell size.
-//
-// Example:
-//
-//	    // Assuming we already have a WindowSizeEvent
-//		var winsize WindowSizeEvent
-//		switch ev := ev.(type) {
-//		case WindowAreaEvent:
-//		  cellWidth := ev.Width / winsize.Width
-//		  cellHeight := ev.Height / winsize.Height
-//		}
-type WindowAreaEvent struct {
-	Width  int
-	Height int
+// WindowOpEvent is a window operation (XTWINOPS) report event. This is used to
+// report various window operations such as reporting the window size or cell
+// size.
+type WindowOpEvent struct {
+	Op   int
+	Args []int
 }

input/key_test.go

@@ -149,7 +149,7 @@ func TestParseSequence(t *testing.T) {
 		seqTest{
 			[]byte("\x1b[4;24;80t"),
 			[]Event{
-				WindowAreaEvent{Width: 80, Height: 24},
+				WindowOpEvent{Op: 4, Args: []int{24, 80}},
 			},
 		},
 

input/parse.go

@@ -520,17 +520,16 @@ func (p *Parser) parseCsi(b []byte) (int, Event) {
 			break
 		}
 
-		switch param {
-		case 4:
-			// Text area size report CSI t
-			height, _ := csi.Param(1, 0)
-			width, _ := csi.Param(2, 0)
-			return i, WindowAreaEvent{
-				Height: height,
-				Width:  width,
+		var winop WindowOpEvent
+		winop.Op = param
+		for j := 1; j < paramsLen; j++ {
+			val, ok := csi.Param(j, 0)
+			if ok {
+				winop.Args = append(winop.Args, val)
 			}
 		}
 
+		return i, winop
 	}
 	return i, UnknownEvent(b[:i])
 }