v1

build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "haus.nightmare.a3270"
         minSdk 24
         targetSdk 34
-        versionCode 4
+        versionCode 5
-        versionName "0.1.3"
+        versionName "1.0.0"
     }
 
     buildTypes {

src/main/java/haus/nightmare/a3270/MainActivity.kt

@@ -149,6 +149,7 @@ class MainActivity : ComponentActivity() {
         return 0
     }
 
+    @Suppress("DEPRECATION")
     override fun dispatchKeyEvent(event: KeyEvent): Boolean {
         val shift = event.isShiftPressed || (event.metaState and KeyEvent.META_SHIFT_ON != 0)
         if (isShiftPressedState.value != shift) {
@@ -506,8 +507,8 @@ fun MainScreen(
                     viewModel.selectLightPen(addr)
                     terminalInputViewRef?.showSoftKeyboard()
                 },
-                onGraphicTouch = { px, py ->
+                onGraphicTouch = { clickAddr, px, py ->
-                    viewModel.handleGraphicTouch(px, py)
+                    viewModel.handleGraphicTouch(clickAddr, px, py)
                 },
                 onPasteText = { text ->
                     viewModel.pasteString(text)

src/main/java/haus/nightmare/a3270/TerminalViewModel.kt

@@ -330,14 +330,14 @@ class TerminalViewModel(application: Application) : AndroidViewModel(application
         val curRow = curAddr / cols
         val curCol = curAddr % cols
 
-        var startRow = curRow
+        val startRow: Int
-        var startCol = curCol
+        val startCol: Int
         if (forward) {
             startCol = (curCol + 1) % cols
-            if (startCol == 0) startRow = (curRow + 1) % rows
+            startRow = if (startCol == 0) (curRow + 1) % rows else curRow
         } else {
             startCol = (curCol - 1 + cols) % cols
-            if (startCol == cols - 1) startRow = (curRow - 1 + rows) % rows
+            startRow = if (startCol == cols - 1) (curRow - 1 + rows) % rows else curRow
         }
 
         val dir = if (forward) haus.nightmare.lib3270j.ecl.ECLConstants.SEARCH_FORWARD else haus.nightmare.lib3270j.ecl.ECLConstants.SEARCH_BACKWARD
@@ -752,9 +752,13 @@ class TerminalViewModel(application: Application) : AndroidViewModel(application
 
     fun getGocaDecoder(): haus.nightmare.lib3270j.graphics.GocaDecoder? = client?.gocaDecoder
 
-    fun handleGraphicTouch(px: Int, py: Int, button: Int = 1, shift: Boolean = false, ctrl: Boolean = false) {
+    fun handleGraphicTouch(clickAddr: Int = -1, px: Int, py: Int, button: Int = 1, shift: Boolean = false, ctrl: Boolean = false) {
         val c = client ?: return
         val goca = c.gocaDecoder ?: return
+        if (clickAddr >= 0) {
+            c.screenBuffer?.cursorAddress = clickAddr
+            _cursorAddress.value = clickAddr
+        }
         if (goca.isGraphicsCursorActive) {
             goca.setGraphicCursorFromPixel(px, py)
             c.inputProcessor.sendGraphicMouseAid(

src/main/java/haus/nightmare/a3270/ui/OiaStatusBar.kt

@@ -31,7 +31,7 @@ fun OiaStatusBar(
     isLightPenMode: Boolean = false,
     modifier: Modifier = Modifier
 ) {
-    val row = if (cols > 0) (cursorAddr / cols) + 1 else 1
+    val row = if (cols > 0 && rows > 0) ((cursorAddr / cols) % rows) + 1 else 1
     val col = if (cols > 0) (cursorAddr % cols) + 1 else 1
     val posStr = String.format("%02d/%02d", row, col)
 

src/main/java/haus/nightmare/a3270/ui/ScreenExporterDialog.kt

@@ -416,7 +416,31 @@ private fun generateBitmap(
                 currentProt = (faVal and FA_PROTECT) != 0
                 currentHi = (faVal and FA_INT_HIGH_SEL) == FA_INT_HIGH_SEL
                 currentHidden = (faVal and FA_INT_HIGH_SEL) == 0
-            } else if (!currentHidden || !maskHidden) {
+            } else {
+                val csVal = cell.cs.toInt() and 0xFF
+                val ecVal = cell.ec.toInt() and 0xFF
+                var drawnAsPs = false
+                if (csVal >= 0x40 && programSymbolManager != null) {
+                    val slot = programSymbolManager.getSymbol(csVal, ecVal)
+                    if (slot != null) {
+                        val symWidth = slot.width
+                        val symHeight = slot.height
+                        val fgArgb = when {
+                            currentHi -> android.graphics.Color.WHITE
+                            currentProt -> android.graphics.Color.parseColor("#3399FF")
+                            else -> android.graphics.Color.parseColor("#00FF66")
+                        }
+                        val bgArgb = android.graphics.Color.parseColor("#0A0A0A")
+                        val rgbArray = slot.getRgbPixels(fgArgb, bgArgb)
+                        if (rgbArray != null && symWidth > 0 && symHeight > 0) {
+                            val symBmp = Bitmap.createBitmap(rgbArray, symWidth, symHeight, Bitmap.Config.ARGB_8888)
+                            canvas.drawBitmap(symBmp, null, android.graphics.RectF(left, top, left + charWidth, top + charHeight), null)
+                            drawnAsPs = true
+                        }
+                    }
+                }
+
+                if (!drawnAsPs && (!currentHidden || !maskHidden)) {
                     val ch = cell.ucs4
                     if (ch in ' '..'~' || ch > '\u007F') {
                         textPaint.color = when {
@@ -429,6 +453,7 @@ private fun generateBitmap(
                 }
             }
         }
+    }
 
     // Overlay vector graphics plane if present
     if (graphicsPlane != null && graphicsPlane.hasContent()) {

src/main/java/haus/nightmare/a3270/ui/TerminalView.kt

@@ -68,7 +68,7 @@ fun TerminalView(
     searchHighlightLen: Int = 0,
     onTapAddress: (Int) -> Unit,
     onLightPenSelect: ((Int) -> Unit)? = null,
-    onGraphicTouch: ((Int, Int) -> Unit)? = null,
+    onGraphicTouch: ((Int, Int, Int) -> Unit)? = null,
     onPasteText: (String) -> Unit = {},
     modifier: Modifier = Modifier
 ) {
@@ -162,7 +162,8 @@ fun TerminalView(
                                         val gHeight = graphicsPlane?.canvasHeight ?: gridH.toInt()
                                         val px = if (gridW > 0 && gWidth > 0) (((startPos.x - metrics.offsetX) * gWidth) / gridW).toInt().coerceIn(0, gWidth - 1) else (startPos.x - metrics.offsetX).toInt()
                                         val py = if (gridH > 0 && gHeight > 0) (((startPos.y - metrics.offsetY) * gHeight) / gridH).toInt().coerceIn(0, gHeight - 1) else (startPos.y - metrics.offsetY).toInt()
-                                        onGraphicTouch?.invoke(px, py)
+                                        screenBuffer?.cursorAddress = clickAddr
+                                        onGraphicTouch?.invoke(clickAddr, px, py)
                                     } else if (isLightPenMode) {
                                         onLightPenSelect?.invoke(clickAddr)
                                     } else {
@@ -351,7 +352,7 @@ fun TerminalView(
                             val symHeight = slot.height
                             val rgbArray = slot.getRgbPixels(fgColor.toArgb(), bgColor.toArgb())
                             if (rgbArray != null && symWidth > 0 && symHeight > 0) {
-                                val bmp = android.graphics.Bitmap.createBitmap(rgbArray as IntArray, symWidth, symHeight, android.graphics.Bitmap.Config.ARGB_8888)
+                                val bmp = android.graphics.Bitmap.createBitmap(rgbArray, symWidth, symHeight, android.graphics.Bitmap.Config.ARGB_8888)
                                 drawContext.canvas.nativeCanvas.drawBitmap(
                                     bmp,
                                     null,

src/test/java/haus/nightmare/a3270/GraphicsAndSysReqTest.kt

@@ -0,0 +1,178 @@
+package haus.nightmare.a3270
+
+import haus.nightmare.lib3270j.ConnectionConfig
+import haus.nightmare.lib3270j.ConnectionState
+import haus.nightmare.lib3270j.TerminalModel
+import haus.nightmare.lib3270j.charset.EbcdicTranslator
+import haus.nightmare.lib3270j.datastream.DataStreamProcessor
+import haus.nightmare.lib3270j.graphics.GocaDecoder
+import haus.nightmare.lib3270j.graphics.GraphicsPlane
+import haus.nightmare.lib3270j.input.InputProcessor
+import haus.nightmare.lib3270j.protocol.DS3270Constants.*
+import haus.nightmare.lib3270j.protocol.TelnetConstants.*
+import haus.nightmare.lib3270j.protocol.TN3270EConstants.*
+import haus.nightmare.lib3270j.screen.ScreenBuffer
+import haus.nightmare.lib3270j.telnet.TelnetConnection
+import haus.nightmare.lib3270j.telnet.TelnetFSM
+import org.junit.Assert.*
+import org.junit.Before
+import org.junit.Test
+import java.io.ByteArrayOutputStream
+import java.util.ArrayList
+import java.util.concurrent.atomic.AtomicReference
+
+class GraphicsAndSysReqTest {
+
+    private lateinit var screenBuffer: ScreenBuffer
+    private lateinit var translator: EbcdicTranslator
+    private lateinit var graphicsPlane: GraphicsPlane
+    private lateinit var gocaDecoder: GocaDecoder
+
+    private class MockConnection(config: ConnectionConfig, fsm: TelnetFSM) : TelnetConnection(config, fsm) {
+        val sentData: MutableList<ByteArray> = ArrayList()
+
+        override fun sendRaw(data: ByteArray) {
+            sentData.add(data.clone())
+        }
+
+        override fun sendRaw(data: ByteArray, offset: Int, length: Int) {
+            val b = ByteArray(length)
+            System.arraycopy(data, offset, b, 0, length)
+            sentData.add(b)
+        }
+    }
+
+    @Before
+    fun setUp() {
+        val model = TerminalModel.IBM_3279_2 // 24x80
+        translator = EbcdicTranslator()
+        screenBuffer = ScreenBuffer(model, translator)
+        graphicsPlane = GraphicsPlane(800, 600)
+        gocaDecoder = GocaDecoder(graphicsPlane)
+    }
+
+    @Test
+    fun testScreenBufferSetCursorPosition() {
+        screenBuffer.setCursorPosition(5, 10)
+        assertEquals(5 * 80 + 10, screenBuffer.cursorAddress)
+        assertEquals(5, screenBuffer.cursorRow)
+        assertEquals(10, screenBuffer.cursorCol)
+
+        // Clamping check
+        screenBuffer.setCursorPosition(-5, -10)
+        assertEquals(0, screenBuffer.cursorAddress)
+
+        screenBuffer.setCursorPosition(100, 200)
+        assertEquals(23 * 80 + 79, screenBuffer.cursorAddress)
+    }
+
+    @Test
+    fun testGraphicsCursorFramingOnSendAid() {
+        screenBuffer.erase(false)
+        screenBuffer.setCellFA(0, (FA_PRINTABLE or FA_MODIFY).toByte())
+        screenBuffer.getCell(1).ec = 0xC1.toByte() // 'A'
+        screenBuffer.setCellFA(5, (FA_PRINTABLE or FA_PROTECT).toByte())
+        screenBuffer.cursorAddress = 2
+
+        gocaDecoder.isGraphicsCursorActive = true
+        gocaDecoder.setGraphicCursorPosition(200, -100)
+
+        val sentRef = AtomicReference<ByteArray>()
+        val inputProcessor = object : InputProcessor(screenBuffer, translator, null) {
+            override fun sendAidResponse(data: ByteArray) {
+                sentRef.set(data)
+            }
+        }
+        inputProcessor.gocaDecoder = gocaDecoder
+
+        inputProcessor.sendAid(AID_ENTER)
+
+        val result = sentRef.get()
+        assertNotNull(result)
+        // Expected: AID_SF (0x88) + SF(56 bytes) + AID_ENTER(0x7D) + CursorAddr(2) + SBA(1) + FieldAddr(2) + Data 'A'(1) = 64 bytes
+        assertEquals(64, result.size)
+        assertEquals(AID_SF.toByte(), result[0])
+        assertEquals(0x00.toByte(), result[1])
+        assertEquals(0x34.toByte(), result[2]) // SF len 52
+        assertEquals(0x0F.toByte(), result[3])
+        assertEquals(0x0F.toByte(), result[4])
+
+        // Coordinates at index 25, 27
+        val gx = ((result[25].toInt() and 0xFF) shl 8) or (result[26].toInt() and 0xFF)
+        val gy = ((result[27].toInt() and 0xFF) shl 8) or (result[28].toInt() and 0xFF)
+        assertEquals(200, gx.toShort().toInt())
+        assertEquals(-100, gy.toShort().toInt())
+
+        // Trailing AID at index 57
+        assertEquals(AID_ENTER.toByte(), result[57])
+    }
+
+    @Test
+    fun testSysReqOutOfBandRoutingAndStateToggle() {
+        val config = ConnectionConfig("127.0.0.1", 23, TerminalModel.IBM_3279_2).apply {
+            isTn3270eEnabled = true
+        }
+        val dsProcessor = DataStreamProcessor(screenBuffer, translator)
+        val fsm = TelnetFSM(config, screenBuffer, dsProcessor)
+        val inputProcessor = InputProcessor(screenBuffer, translator, fsm)
+        dsProcessor.inputProcessor = inputProcessor
+        val connection = MockConnection(config, fsm)
+        fsm.setConnection(connection)
+        fsm.onConnected()
+
+        // 1. Complete TN3270E negotiation
+        fsm.feedBytes(byteArrayOf(IAC.toByte(), DO.toByte(), TELOPT_TN3270E.toByte()), 0, 3)
+        val devTypeIs = byteArrayOf(
+            IAC.toByte(), SB.toByte(), TELOPT_TN3270E.toByte(),
+            0x02, 0x04, 'I'.code.toByte(), 'B'.code.toByte(), 'M'.code.toByte(), '-'.code.toByte(),
+            '3'.code.toByte(), '2'.code.toByte(), '7'.code.toByte(), '9'.code.toByte(), '-'.code.toByte(),
+            '2'.code.toByte(), '-'.code.toByte(), 'E'.code.toByte(),
+            IAC.toByte(), SE.toByte()
+        )
+        fsm.feedBytes(devTypeIs, 0, devTypeIs.size)
+
+        val funcsReq = byteArrayOf(
+            IAC.toByte(), SB.toByte(), TELOPT_TN3270E.toByte(),
+            OP_FUNCTIONS.toByte(), OP_REQUEST.toByte(),
+            FUNC_BIND_IMAGE.toByte(), FUNC_RESPONSES.toByte(), FUNC_SYSREQ.toByte(),
+            IAC.toByte(), SE.toByte()
+        )
+        fsm.feedBytes(funcsReq, 0, funcsReq.size)
+
+        // BIND image
+        val bindPacket = ByteArray(EH_SIZE + 35).apply {
+            this[0] = DT_BIND_IMAGE.toByte()
+            this[4] = 1
+            this[EH_SIZE + 24] = 0x02
+        }
+        val bStream = ByteArrayOutputStream().apply {
+            write(bindPacket)
+            write(IAC)
+            write(EOR)
+        }
+        val bindBytes = bStream.toByteArray()
+        fsm.feedBytes(bindBytes, 0, bindBytes.size)
+
+        assertEquals(ConnectionState.CONNECTED_TN3270E, fsm.connectionState)
+        assertTrue(fsm.isTn3270eBound)
+        connection.sentData.clear()
+
+        // 2. Lock keyboard and send SYSREQ
+        inputProcessor.isKeyboardLocked = true
+        inputProcessor.sendAid(AID_SYSREQ)
+
+        assertFalse(inputProcessor.isKeyboardLocked)
+        var foundIacAo = false
+        for (pkt in connection.sentData) {
+            if (pkt.size == 2 && (pkt[0].toInt() and 0xFF) == IAC && (pkt[1].toInt() and 0xFF) == AO) {
+                foundIacAo = true
+            }
+        }
+        assertTrue("Expected IAC AO out-of-band telnet command", foundIacAo)
+        assertEquals(ConnectionState.CONNECTED_SSCP, fsm.connectionState)
+
+        // 3. Send second SYSREQ to toggle back
+        inputProcessor.sendAid(AID_SYSREQ)
+        assertEquals(ConnectionState.CONNECTED_TN3270E, fsm.connectionState)
+    }
+}