Pin tmux status above soft keys

app/src/main/java/com/neatstudio/tmuxandroid/MainActivity.java

@@ -25,6 +25,7 @@ import android.os.Looper;
 import android.provider.Settings;
 import android.text.TextUtils;
 import android.text.InputType;
+import android.text.method.LinkMovementMethod;
 import android.view.Gravity;
 import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
@@ -154,6 +155,7 @@ public final class MainActivity extends Activity {
     private int lastActiveSessionCount = -1;
     private TerminalScreenBuffer terminalScreen = new TerminalScreenBuffer(DEFAULT_TERMINAL_COLS, DEFAULT_TERMINAL_ROWS);
     private final StringBuilder queuedTerminalInput = new StringBuilder();
+    private final Set<String> terminalExpandedBlocks = new HashSet<>();
     private final Set<String> terminalExpandedMessages = new HashSet<>();
     private final List<ConversationMessage> terminalConversationMessages = new ArrayList<>();
     private boolean terminalConnected;
@@ -163,6 +165,7 @@ public final class MainActivity extends Activity {
     private boolean terminalFollowOutput = true;
     private int terminalViewMode = TERMINAL_VIEW_CHAT;
     private int terminalKeyPage;
+    private int terminalHistoryOffset;
     private int terminalReconnectAttempt;
     private int terminalConnectionGeneration;
     private int eventReconnectAttempt;
@@ -1696,6 +1699,8 @@ public final class MainActivity extends Activity {
         terminalSelectionEnabled = false;
         terminalFollowOutput = true;
         terminalKeyPage = 0;
+        terminalHistoryOffset = 0;
+        terminalExpandedBlocks.clear();
         terminalExpandedMessages.clear();
         terminalConversationMessages.clear();
         terminalLiveStatusText = null;
@@ -1729,11 +1734,11 @@ public final class MainActivity extends Activity {
         terminalText.setLineSpacing(0, 1.05f);
         terminalText.setGravity(Gravity.BOTTOM | Gravity.START);
         terminalText.setTextIsSelectable(terminalSelectionEnabled);
-        terminalText.setPadding(dp(2), dp(8), dp(2), dp(8));
+        terminalText.setPadding(dp(2), dp(8), dp(2), 0);
         terminalText.setBackgroundColor(COLOR_TERMINAL_BG);
         terminalChatList = new LinearLayout(this);
         terminalChatList.setOrientation(LinearLayout.VERTICAL);
-        terminalChatList.setPadding(dp(10), dp(12), dp(10), dp(18));
+        terminalChatList.setPadding(0, dp(12), 0, 0);
         terminalChatList.addView(projectStateText("Loading conversation..."), matchWrap());
         showTerminalView(terminalViewMode, false);
         terminalScroll.addOnLayoutChangeListener((view, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) ->
@@ -1746,7 +1751,6 @@ public final class MainActivity extends Activity {
                 1
         ));
         terminalAccessoryBar = createAccessoryBar();
-        terminalAccessoryBar.setVisibility(terminalViewMode == TERMINAL_VIEW_CHAT ? View.GONE : View.VISIBLE);
         root.addView(terminalAccessoryBar, new LinearLayout.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 dp(TERMINAL_KEYS_HEIGHT_DP)
@@ -1762,6 +1766,8 @@ public final class MainActivity extends Activity {
         });
         inputField.post(() -> {
             inputField.requestFocus();
+            inputField.setSelection(inputField.length());
+            inputField.setCursorVisible(true);
             hideKeyboard();
         });
     }
@@ -1867,26 +1873,25 @@ public final class MainActivity extends Activity {
             renderTerminalConversation();
         } else {
             terminalText.setHorizontallyScrolling(true);
-            terminalText.setGravity(Gravity.BOTTOM | Gravity.START);
             terminalText.setMovementMethod(null);
+            terminalText.setGravity(Gravity.BOTTOM | Gravity.START);
             terminalScroll.addView(terminalText, new ScrollView.LayoutParams(
                     ViewGroup.LayoutParams.MATCH_PARENT,
                     ViewGroup.LayoutParams.WRAP_CONTENT
             ));
             renderTerminalNow();
         }
-        boolean chat = mode == TERMINAL_VIEW_CHAT;
         if (terminalAccessoryBar != null) {
-            terminalAccessoryBar.setVisibility(chat ? View.GONE : View.VISIBLE);
+            terminalAccessoryBar.setVisibility(View.VISIBLE);
         }
         if (terminalComposerTabs != null) {
-            terminalComposerTabs.setVisibility(chat ? View.GONE : View.VISIBLE);
+            terminalComposerTabs.setVisibility(View.VISIBLE);
         }
         if (inputField != null) {
-            inputField.setHint(chat ? "Message" : "type command or text");
+            inputField.setHint(mode == TERMINAL_VIEW_CHAT ? "message or command" : "type command or text");
         }
         if (announce) {
-            setStatus(mode == TERMINAL_VIEW_CHAT ? "Chat view" : "Full terminal mode");
+            setStatus(mode == TERMINAL_VIEW_CHAT ? "Content view" : "Raw terminal mode");
         }
     }
 
@@ -2050,124 +2055,74 @@ public final class MainActivity extends Activity {
 
     private View conversationMessageRow(ConversationMessage message) {
         boolean user = "user".equals(message.role);
-        boolean tool = message.isTool();
-        LinearLayout row = new LinearLayout(this);
-        row.setOrientation(LinearLayout.HORIZONTAL);
-        row.setGravity(user ? Gravity.END : Gravity.START);
+        LinearLayout block = new LinearLayout(this);
+        block.setOrientation(LinearLayout.VERTICAL);
+        block.setPadding(dp(10), dp(5), dp(10), dp(7));
 
-        LinearLayout bubble = new LinearLayout(this);
-        bubble.setOrientation(LinearLayout.VERTICAL);
-        bubble.setPadding(user || tool ? dp(12) : dp(2), dp(9), user || tool ? dp(12) : dp(4), dp(10));
-        bubble.setBackground(tool
-                ? rounded(COLOR_PANEL, 8, COLOR_BORDER, 1)
-                : user
-                ? rounded(COLOR_ACCENT_DARK, 8, COLOR_ACCENT, 1)
-                : rounded(Color.TRANSPARENT, 0, Color.TRANSPARENT, 0));
+        TextView content = conversationContent(message, false);
+        content.setText((user ? "› " : "• ") + defaultValue(message.content, "(empty)"));
+        content.setTextColor(user ? COLOR_ACCENT : COLOR_TEXT);
+        content.setTextSize(12);
+        content.setTypeface(Typeface.MONOSPACE, user ? Typeface.BOLD : Typeface.NORMAL);
+        content.setPadding(0, 0, 0, 0);
+        block.addView(content, matchWrap());
 
-        TextView meta = new TextView(this);
-        meta.setTextColor(user ? COLOR_ACCENT : tool ? COLOR_ACCENT_WARM : COLOR_TEXT_MUTED);
-        meta.setTextSize(9);
-        meta.setTypeface(Typeface.MONOSPACE, Typeface.BOLD);
-        meta.setSingleLine(true);
-        meta.setEllipsize(TextUtils.TruncateAt.END);
-        meta.setText(tool ? conversationToolTitle(message) : conversationStatusPart(message).replaceFirst("^ · ", ""));
-        if (tool || (!"complete".equals(message.status) && !message.status.isEmpty())) {
-            bubble.addView(meta, matchWrap());
+        if (!"complete".equals(message.status) && !message.status.isEmpty()) {
+            TextView status = bodyText(message.status);
+            status.setTextColor(message.status.toLowerCase(java.util.Locale.ROOT).contains("error")
+                    ? COLOR_DANGER : COLOR_TEXT_DIM);
+            status.setTextSize(9);
+            status.setTypeface(Typeface.MONOSPACE);
+            status.setPadding(dp(14), dp(3), 0, 0);
+            block.addView(status, matchWrap());
         }
 
-        boolean expanded = terminalExpandedMessages.contains(message.messageId);
-        if (!tool || expanded) {
-            bubble.addView(conversationContent(message, tool), matchWrap());
-        } else {
-            TextView collapsed = bodyText("Tap to show " + message.content.length() + " characters");
-            collapsed.setTextSize(10);
-            collapsed.setPadding(0, dp(5), 0, 0);
-            bubble.addView(collapsed, matchWrap());
-        }
-        if (tool) {
-            bubble.setOnClickListener(view -> {
-                if (!terminalExpandedMessages.add(message.messageId)) {
-                    terminalExpandedMessages.remove(message.messageId);
-                }
-                renderTerminalConversation();
-            });
-        }
-
-        if (!tool && !user) {
-            row.addView(bubble, matchWrap());
-        } else if (!tool) {
-            LinearLayout.LayoutParams bubbleParams = new LinearLayout.LayoutParams(
-                    0,
-                    ViewGroup.LayoutParams.WRAP_CONTENT,
-                    0.82f
-            );
-            View spacer = new View(this);
-            LinearLayout.LayoutParams spacerParams = new LinearLayout.LayoutParams(
-                    0,
-                    1,
-                    0.18f
-            );
-            row.addView(spacer, spacerParams);
-            row.addView(bubble, bubbleParams);
-        } else {
-            row.addView(bubble, matchWrap());
-        }
-        LinearLayout.LayoutParams rowParams = new LinearLayout.LayoutParams(
+        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 ViewGroup.LayoutParams.WRAP_CONTENT
         );
-        rowParams.bottomMargin = dp(9);
-        row.setLayoutParams(rowParams);
-        return row;
+        params.bottomMargin = dp(5);
+        block.setLayoutParams(params);
+        return block;
     }
 
     private View conversationToolGroup(List<ConversationMessage> tools) {
         LinearLayout group = new LinearLayout(this);
         group.setOrientation(LinearLayout.VERTICAL);
+        String firstId = tools.isEmpty() ? "empty" : tools.get(0).messageId;
+        String lastId = tools.isEmpty() ? "empty" : tools.get(tools.size() - 1).messageId;
+        String groupKey = "tools:" + firstId + ":" + lastId;
+        boolean expanded = terminalExpandedMessages.contains(groupKey);
+        String firstTitle = tools.isEmpty() ? "Tool activity" : conversationToolTitle(tools.get(0));
+        TextView summary = new TextView(this);
+        summary.setText((expanded ? "▼ " : "▶ ") + tools.size() + " tool "
+                + (tools.size() == 1 ? "activity" : "activities") + " · " + compactLabel(firstTitle, 44));
+        summary.setTextColor(COLOR_ACCENT_WARM);
+        summary.setTextSize(10);
+        summary.setTypeface(Typeface.MONOSPACE, Typeface.BOLD);
+        summary.setPadding(dp(10), dp(6), dp(10), dp(6));
+        summary.setOnClickListener(view -> {
+            if (!terminalExpandedMessages.add(groupKey)) {
+                terminalExpandedMessages.remove(groupKey);
+            }
+            renderTerminalConversation();
+        });
+        summary.setContentDescription((expanded ? "Collapse " : "Expand ") + tools.size() + " tool activities");
+        group.addView(summary, matchWrap());
 
-        HorizontalScrollView scroller = new HorizontalScrollView(this);
-        scroller.setHorizontalScrollBarEnabled(false);
-        LinearLayout chips = new LinearLayout(this);
-        chips.setOrientation(LinearLayout.HORIZONTAL);
-        chips.setGravity(Gravity.CENTER_VERTICAL);
-        for (ConversationMessage message : tools) {
-            String label = compactLabel(conversationToolTitle(message), 18);
-            Button chip = compactButton(label, view -> {
-                if (!terminalExpandedMessages.add(message.messageId)) {
-                    terminalExpandedMessages.remove(message.messageId);
-                }
-                renderTerminalConversation();
-            });
-            chip.setTextSize(9);
-            chip.setContentDescription("Toggle " + label);
-            chips.addView(chip);
-        }
-        scroller.addView(chips, new HorizontalScrollView.LayoutParams(
-                ViewGroup.LayoutParams.WRAP_CONTENT,
-                dp(34)
-        ));
-        group.addView(scroller, matchWrap());
-
-        for (ConversationMessage message : tools) {
-            if (!terminalExpandedMessages.contains(message.messageId)) {
-                continue;
+        if (expanded) {
+            for (ConversationMessage message : tools) {
+                LinearLayout detail = new LinearLayout(this);
+                detail.setOrientation(LinearLayout.VERTICAL);
+                detail.setPadding(dp(18), dp(3), dp(10), dp(7));
+                TextView title = bodyText(conversationToolTitle(message));
+                title.setTextColor(COLOR_ACCENT_WARM);
+                title.setTextSize(9);
+                title.setTypeface(Typeface.MONOSPACE, Typeface.BOLD);
+                detail.addView(title, matchWrap());
+                detail.addView(conversationContent(message, true), matchWrap());
+                group.addView(detail, matchWrap());
             }
-            LinearLayout detail = new LinearLayout(this);
-            detail.setOrientation(LinearLayout.VERTICAL);
-            detail.setPadding(dp(10), dp(7), dp(10), dp(9));
-            detail.setBackground(rounded(COLOR_FIELD, 7, COLOR_BORDER_SOFT, 1));
-            TextView title = bodyText(conversationToolTitle(message));
-            title.setTextColor(COLOR_ACCENT_WARM);
-            title.setTextSize(9);
-            title.setTypeface(Typeface.MONOSPACE, Typeface.BOLD);
-            detail.addView(title, matchWrap());
-            detail.addView(conversationContent(message, true), matchWrap());
-            LinearLayout.LayoutParams detailParams = new LinearLayout.LayoutParams(
-                    ViewGroup.LayoutParams.MATCH_PARENT,
-                    ViewGroup.LayoutParams.WRAP_CONTENT
-            );
-            detailParams.topMargin = dp(5);
-            group.addView(detail, detailParams);
         }
 
         LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
@@ -2204,43 +2159,49 @@ public final class MainActivity extends Activity {
     private View conversationLiveTerminalPanel() {
         LinearLayout panel = new LinearLayout(this);
         panel.setOrientation(LinearLayout.VERTICAL);
-        panel.setPadding(dp(12), dp(9), dp(12), dp(10));
-        panel.setBackground(rounded(COLOR_FIELD, 8, COLOR_BORDER, 1));
-        panel.setOnClickListener(view -> showTerminalView(TERMINAL_VIEW_FULL, true));
+        panel.setPadding(dp(2), dp(10), dp(2), 0);
 
         LinearLayout heading = new LinearLayout(this);
         heading.setOrientation(LinearLayout.HORIZONTAL);
         heading.setGravity(Gravity.CENTER_VERTICAL);
         TextView title = new TextView(this);
-        title.setText("Live terminal");
-        title.setTextColor(COLOR_TEXT);
-        title.setTextSize(11);
-        title.setTypeface(Typeface.DEFAULT_BOLD);
-        heading.addView(title, new LinearLayout.LayoutParams(0, dp(22), 1));
+        title.setText("LIVE TERMINAL");
+        title.setTextColor(COLOR_TEXT_DIM);
+        title.setTextSize(9);
+        title.setTypeface(Typeface.MONOSPACE, Typeface.BOLD);
+        heading.addView(title, new LinearLayout.LayoutParams(0, dp(32), 1));
         terminalLiveStatusText = new TextView(this);
         terminalLiveStatusText.setTextSize(9);
         terminalLiveStatusText.setTypeface(Typeface.MONOSPACE);
         terminalLiveStatusText.setSingleLine(true);
         heading.addView(terminalLiveStatusText, new LinearLayout.LayoutParams(
                 ViewGroup.LayoutParams.WRAP_CONTENT,
-                dp(22)
+                dp(32)
         ));
+        Button older = terminalToolButton("↑", view -> scrollTerminalHistory(-terminalRows));
+        older.setContentDescription("Load older terminal history");
+        heading.addView(older);
+        Button newer = terminalToolButton("↓", view -> scrollTerminalHistory(terminalRows));
+        newer.setContentDescription("Return toward live terminal output");
+        heading.addView(newer);
         panel.addView(heading, matchWrap());
 
         terminalLiveOutputText = new TextView(this);
         terminalLiveOutputText.setTextColor(COLOR_TEXT_MUTED);
-        terminalLiveOutputText.setTextSize(10);
+        terminalLiveOutputText.setTextSize(11);
         terminalLiveOutputText.setTypeface(Typeface.MONOSPACE);
-        terminalLiveOutputText.setMaxLines(6);
-        terminalLiveOutputText.setEllipsize(TextUtils.TruncateAt.END);
+        terminalLiveOutputText.setIncludeFontPadding(false);
+        terminalLiveOutputText.setHorizontallyScrolling(true);
+        terminalLiveOutputText.setLineSpacing(0, 1.05f);
+        terminalLiveOutputText.setGravity(Gravity.BOTTOM | Gravity.START);
+        terminalLiveOutputText.setBackgroundColor(COLOR_TERMINAL_BG);
         terminalLiveOutputText.setPadding(0, dp(5), 0, 0);
+        terminalLiveOutputText.setMovementMethod(LinkMovementMethod.getInstance());
+        terminalLiveOutputText.setHighlightColor(Color.TRANSPARENT);
+        terminalLiveOutputText.setTextIsSelectable(true);
+        terminalLiveOutputText.addOnLayoutChangeListener((view, left, top, right, bottom,
+                oldLeft, oldTop, oldRight, oldBottom) -> resizeTerminalToViewport(false));
         panel.addView(terminalLiveOutputText, matchWrap());
-
-        TextView hint = bodyText("Tap for full terminal");
-        hint.setTextSize(9);
-        hint.setTextColor(COLOR_TEXT_DIM);
-        hint.setPadding(0, dp(6), 0, 0);
-        panel.addView(hint, matchWrap());
         return panel;
     }
 
@@ -2250,10 +2211,19 @@ public final class MainActivity extends Activity {
         }
         String socket = terminalSocketStatus.toLowerCase(java.util.Locale.ROOT);
         boolean connected = socket.contains("connected") && !socket.contains("disconnected");
-        terminalLiveStatusText.setText(connected ? "● connected" : "● " + defaultValue(socket, "connecting"));
-        terminalLiveStatusText.setTextColor(connected ? COLOR_SUCCESS
+        terminalLiveStatusText.setText(terminalHistoryOffset > 0
+                ? "● " + terminalHistoryOffset + " back"
+                : connected ? "● live" : "● " + defaultValue(socket, "connecting"));
+        terminalLiveStatusText.setTextColor(terminalHistoryOffset > 0 ? COLOR_ACCENT_WARM : connected ? COLOR_SUCCESS
                 : socket.contains("error") || socket.contains("disconnected") ? COLOR_DANGER : COLOR_ACCENT_WARM);
-        terminalLiveOutputText.setText(terminalScreen.renderTail(6));
+        terminalLiveOutputText.setMovementMethod(LinkMovementMethod.getInstance());
+        terminalLiveOutputText.setHighlightColor(Color.TRANSPARENT);
+        terminalLiveOutputText.setText(terminalScreen.renderFocused(terminalExpandedBlocks, key -> {
+            if (!terminalExpandedBlocks.add(key)) {
+                terminalExpandedBlocks.remove(key);
+            }
+            renderTerminalNow();
+        }));
     }
 
     private void updateTerminalMeta() {
@@ -2532,14 +2502,10 @@ public final class MainActivity extends Activity {
                             sendTerminalInput("\u0002z");
                             break;
                         case 6:
-                            if (terminalSocket != null) {
-                                terminalSocket.scroll(-terminalRows);
-                            }
+                            scrollTerminalHistory(-terminalRows);
                             break;
                         case 7:
-                            if (terminalSocket != null) {
-                                terminalSocket.scroll(terminalRows);
-                            }
+                            scrollTerminalHistory(terminalRows);
                             break;
                         case 8:
                             showRaw("Session status", () -> api.sessionStatus(sessionName));
@@ -2588,7 +2554,6 @@ public final class MainActivity extends Activity {
         LinearLayout tabGrid = new LinearLayout(this);
         tabGrid.setOrientation(LinearLayout.VERTICAL);
         terminalComposerTabs = tabGrid;
-        tabGrid.setVisibility(terminalViewMode == TERMINAL_VIEW_CHAT ? View.GONE : View.VISIBLE);
         LinearLayout firstTabRow = terminalKeyRow();
         LinearLayout secondTabRow = terminalKeyRow();
         addAccessoryTab(firstTabRow, "Edit", 0);
@@ -3548,6 +3513,8 @@ public final class MainActivity extends Activity {
                     terminalConnected = true;
                     terminalConnecting = false;
                     terminalReconnectAttempt = 0;
+                    terminalHistoryOffset = 0;
+                    terminalFollowOutput = true;
                     terminalSocketStatus = "terminal connected";
                     updateTerminalMeta();
                     setStatus("Connected " + sessionName);
@@ -3601,24 +3568,33 @@ public final class MainActivity extends Activity {
         if (terminalText == null || terminalScroll == null) {
             return;
         }
-        int width = terminalScroll.getWidth();
+        TextView viewportText = terminalViewMode == TERMINAL_VIEW_CHAT && terminalLiveOutputText != null
+                ? terminalLiveOutputText : terminalText;
+        int width = viewportText.getWidth();
+        if (width <= 0) {
+            width = terminalScroll.getWidth();
+        }
         int height = terminalScroll.getHeight();
         if (width <= 0 || height <= 0) {
             return;
         }
-        int horizontalPadding = terminalText.getPaddingLeft() + terminalText.getPaddingRight();
-        int verticalPadding = terminalText.getPaddingTop() + terminalText.getPaddingBottom();
-        float charWidth = terminalText.getPaint().measureText("0000000000") / 10f;
+        int horizontalPadding = viewportText.getPaddingLeft() + viewportText.getPaddingRight();
+        int verticalPadding = viewportText.getPaddingTop() + viewportText.getPaddingBottom();
+        float charWidth = viewportText.getPaint().measureText("0000000000") / 10f;
         if (charWidth <= 0f) {
             charWidth = dp(8);
         }
-        int lineHeight = terminalText.getLineHeight();
+        int lineHeight = viewportText.getLineHeight();
         if (lineHeight <= 0) {
             lineHeight = dp(16);
         }
         int usableWidth = Math.max(1, width - horizontalPadding);
         int cols = clamp((int) Math.floor(usableWidth / charWidth), MIN_TERMINAL_COLS, MAX_TERMINAL_COLS);
         int rows = clamp((height - verticalPadding) / lineHeight, MIN_TERMINAL_ROWS, MAX_TERMINAL_ROWS);
+        if (terminalLiveOutputText != null) {
+            terminalLiveOutputText.setMinHeight(rows * lineHeight);
+            terminalLiveOutputText.setGravity(Gravity.BOTTOM | Gravity.START);
+        }
         if (cols == terminalCols && rows == terminalRows && !forceSend) {
             return;
         }
@@ -3661,6 +3637,11 @@ public final class MainActivity extends Activity {
         }
         TerminalSocketClient socket = terminalSocket;
         if (socket != null && !socket.isClosed() && terminalConnected) {
+            if (terminalHistoryOffset > 0) {
+                socket.scroll(terminalHistoryOffset);
+                terminalHistoryOffset = 0;
+                terminalFollowOutput = true;
+            }
             socket.sendInput(data);
             setStatus("Sent input");
             return;
@@ -3776,6 +3757,9 @@ public final class MainActivity extends Activity {
     }
 
     private void scrollTerminalBottom() {
+        if (terminalHistoryOffset > 0) {
+            scrollTerminalHistory(terminalHistoryOffset);
+        }
         terminalFollowOutput = true;
         if (terminalScroll != null) {
             terminalScroll.post(() -> terminalScroll.fullScroll(View.FOCUS_DOWN));
@@ -3783,6 +3767,31 @@ public final class MainActivity extends Activity {
         setStatus("Following terminal output");
     }
 
+    private void scrollTerminalHistory(int lines) {
+        TerminalSocketClient socket = terminalSocket;
+        if (socket == null || socket.isClosed() || !terminalConnected || lines == 0) {
+            setStatus("Terminal history unavailable while disconnected");
+            return;
+        }
+        if (lines < 0) {
+            terminalHistoryOffset += Math.abs(lines);
+            terminalFollowOutput = false;
+        } else {
+            if (terminalHistoryOffset == 0) {
+                setStatus("Live terminal output");
+                return;
+            }
+            int amount = Math.min(lines, terminalHistoryOffset);
+            terminalHistoryOffset = Math.max(0, terminalHistoryOffset - amount);
+            terminalFollowOutput = terminalHistoryOffset == 0;
+            lines = amount;
+        }
+        socket.scroll(lines);
+        setStatus(terminalHistoryOffset == 0
+                ? "Live terminal output"
+                : "Terminal history · " + terminalHistoryOffset + " lines back");
+    }
+
     private void setTerminalKeyPage(int page) {
         terminalKeyPage = (page + 4) % 4;
         updateAccessoryTabs();
@@ -3827,10 +3836,21 @@ public final class MainActivity extends Activity {
             return;
         }
         lastTerminalRenderMs = System.currentTimeMillis();
-        terminalText.setMovementMethod(null);
-        terminalText.setText(terminalScreen.render());
+        if (terminalViewMode == TERMINAL_VIEW_CHAT) {
+            terminalText.setMovementMethod(LinkMovementMethod.getInstance());
+            terminalText.setHighlightColor(Color.TRANSPARENT);
+            terminalText.setText(terminalScreen.renderFocused(terminalExpandedBlocks, key -> {
+                if (!terminalExpandedBlocks.add(key)) {
+                    terminalExpandedBlocks.remove(key);
+                }
+                renderTerminalNow();
+            }));
+        } else {
+            terminalText.setMovementMethod(null);
+            terminalText.setText(terminalScreen.render());
+        }
         updateTerminalLivePanel();
-        if (terminalViewMode != TERMINAL_VIEW_CHAT && terminalFollowOutput) {
+        if (terminalFollowOutput) {
             terminalScroll.post(() -> terminalScroll.fullScroll(View.FOCUS_DOWN));
         }
     }
@@ -3986,7 +4006,12 @@ public final class MainActivity extends Activity {
         input.setHintTextColor(COLOR_TEXT_DIM);
         input.setTextSize(13);
         input.setPadding(dp(8), dp(5), dp(8), dp(5));
-        input.setBackground(inputBackground());
+        input.setBackground(composerInputBackground());
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            GradientDrawable cursor = rounded(COLOR_ACCENT, 1, Color.TRANSPARENT, 0);
+            cursor.setSize(dp(2), dp(20));
+            input.setTextCursorDrawable(cursor);
+        }
     }
 
     private Button compactButton(String label, View.OnClickListener listener) {
@@ -4019,6 +4044,14 @@ public final class MainActivity extends Activity {
         return rounded(COLOR_FIELD, 8, COLOR_BORDER, 1);
     }
 
+    private StateListDrawable composerInputBackground() {
+        StateListDrawable states = new StateListDrawable();
+        states.addState(new int[]{android.R.attr.state_focused},
+                rounded(COLOR_CARD_ALT, 7, COLOR_ACCENT, 1));
+        states.addState(new int[]{}, rounded(COLOR_CARD, 7, COLOR_BORDER, 1));
+        return states;
+    }
+
     private GradientDrawable rounded(int color, int radiusDp, int strokeColor, int strokeDp) {
         GradientDrawable drawable = new GradientDrawable();
         drawable.setColor(color);

app/src/main/java/com/neatstudio/tmuxandroid/TerminalScreenBuffer.java

@@ -146,33 +146,82 @@ final class TerminalScreenBuffer {
 
     CharSequence renderFocused(Set<String> expandedBlocks, FocusToggle toggle) {
         SpannableStringBuilder output = new SpannableStringBuilder();
-        List<String> hiddenRows = new ArrayList<>();
-        int hiddenStart = -1;
-        for (int row = 0; row < rows; row++) {
+        int row = 0;
+        while (row < rows) {
             String text = rowText(row).trim();
-            if (containsHan(text)) {
-                if (!hiddenRows.isEmpty()) {
-                    appendFocusBlock(output, hiddenRows, hiddenStart, row - 1, expandedBlocks, toggle);
-                    hiddenRows.clear();
-                    hiddenStart = -1;
+            if (!isCollapsibleHeader(text)) {
+                if (text.isEmpty()) {
+                    if (output.length() > 0) {
+                        output.append('\n');
+                    }
+                } else {
+                    appendStyledRow(output, row);
                 }
-                appendLine(output, text);
-            } else if (!text.isEmpty()) {
-                if (hiddenStart < 0) {
-                    hiddenStart = row;
-                }
-                hiddenRows.add(text);
+                row++;
+                continue;
             }
-        }
-        if (!hiddenRows.isEmpty()) {
-            appendFocusBlock(output, hiddenRows, hiddenStart, rows - 1, expandedBlocks, toggle);
+
+            int startRow = row;
+            List<String> hiddenRows = new ArrayList<>();
+            hiddenRows.add(text);
+            row++;
+            while (row < rows) {
+                String next = rowText(row).trim();
+                if (next.isEmpty() || isTopLevelLine(next)) {
+                    break;
+                }
+                hiddenRows.add(next);
+                row++;
+            }
+            appendFocusBlock(output, hiddenRows, startRow, row - 1, expandedBlocks, toggle);
         }
         if (output.length() == 0) {
-            output.append("暂无可读内容");
+            output.append("Waiting for terminal output");
         }
         return output;
     }
 
+    private boolean isCollapsibleHeader(String text) {
+        boolean activity = text.startsWith("• ") || text.startsWith("● ");
+        String header = stripActivityMarker(text);
+        return activity && (header.startsWith("Ran ")
+                || header.equals("Explored")
+                || header.startsWith("Explored ")
+                || header.startsWith("Searched ")
+                || header.startsWith("Read ")
+                || header.startsWith("List ")
+                || header.startsWith("Viewed ")
+                || header.startsWith("Opened ")
+                || header.startsWith("Fetched ")
+                || header.startsWith("Downloaded ")
+                || header.startsWith("Wrote ")
+                || header.startsWith("Edited ")
+                || header.startsWith("Applied ")
+                || header.startsWith("Updated ")
+                || header.startsWith("Checked ")
+                || header.startsWith("Inspected ")
+                || header.startsWith("Waited ")
+                || header.startsWith("Working")
+                || header.startsWith("Stop hook"))
+                || text.startsWith("─ Worked for ");
+    }
+
+    private boolean isTopLevelLine(String text) {
+        return text.startsWith("• ")
+                || text.startsWith("● ")
+                || text.startsWith("› ")
+                || text.startsWith("> ")
+                || text.startsWith("─ ")
+                || isCollapsibleHeader(text);
+    }
+
+    private String stripActivityMarker(String text) {
+        if (text.startsWith("• ") || text.startsWith("● ")) {
+            return text.substring(2).trim();
+        }
+        return text;
+    }
+
     private void appendFocusBlock(
             SpannableStringBuilder output,
             List<String> lines,
@@ -208,25 +257,22 @@ final class TerminalScreenBuffer {
     }
 
     private String focusSummary(List<String> lines) {
+        String first = stripActivityMarker(lines.get(0));
         String joined = String.join(" ", lines).toLowerCase(Locale.ROOT);
         String type;
-        if (joined.contains("error") || joined.contains("failed") || joined.contains("exception")) {
-            type = "错误输出";
-        } else if (joined.contains("working") || joined.contains("running")
-                || joined.contains("waiting") || joined.contains("interrupt")) {
-            type = "运行状态";
-        } else if (joined.contains("test") || joined.contains("build") || joined.contains("compile")
-                || joined.contains("gradle") || joined.contains("webpack") || joined.contains("npm")) {
-            type = "构建/测试";
-        } else if (joined.contains("git ") || joined.contains("commit") || joined.contains("push")) {
-            type = "Git 操作";
-        } else if (lines.get(0).startsWith(">") || lines.get(0).startsWith("$")
-                || lines.get(0).startsWith("!")) {
-            type = "命令与输出";
+        if (first.startsWith("Explored") || first.startsWith("Searched")
+                || first.startsWith("Read ") || first.startsWith("List ")
+                || first.startsWith("Viewed ") || first.startsWith("Inspected ")) {
+            type = "Explored";
+        } else if (first.startsWith("Working") || first.startsWith("Stop hook")
+                || first.startsWith("─ Worked for ")) {
+            type = "Status";
+        } else if (joined.contains("error") || joined.contains("failed") || joined.contains("exception")) {
+            type = "Command failed";
         } else {
-            type = "终端细节";
+            type = "Command output";
         }
-        return type + " · " + lines.size() + " 行 · " + compactSummary(lines.get(0), 42);
+        return type + " · " + lines.size() + " lines · " + compactSummary(first, 48);
     }
 
     private String compactSummary(String text, int maxChars) {
@@ -244,6 +290,18 @@ final class TerminalScreenBuffer {
         output.append(text);
     }
 
+    private void appendStyledRow(SpannableStringBuilder output, int row) {
+        if (output.length() > 0) {
+            output.append('\n');
+        }
+        int limit = cols;
+        while (limit > 0 && cells[row][limit - 1].value == ' '
+                && cells[row][limit - 1].bg == DEFAULT_BG) {
+            limit--;
+        }
+        appendRow(output, row, limit);
+    }
+
     private int handleEscape(String text, int index) {
         if (index + 1 >= text.length()) {
             return -1;
@@ -583,15 +641,19 @@ final class TerminalScreenBuffer {
     }
 
     private void appendRow(SpannableStringBuilder output, int row) {
+        appendRow(output, row, cols);
+    }
+
+    private void appendRow(SpannableStringBuilder output, int row, int limit) {
         int col = 0;
-        while (col < cols) {
+        while (col < limit) {
             Cell first = cells[row][col];
             int start = output.length();
             int fgColor = first.fg;
             int bgColor = first.bg;
             boolean isBold = first.bold;
             boolean isDim = first.dim;
-            while (col < cols) {
+            while (col < limit) {
                 Cell cell = cells[row][col];
                 if (cell.fg != fgColor || cell.bg != bgColor || cell.bold != isBold || cell.dim != isDim) {
                     break;
@@ -626,18 +688,6 @@ final class TerminalScreenBuffer {
         return text.toString();
     }
 
-    private boolean containsHan(String text) {
-        for (int index = 0; index < text.length(); index++) {
-            Character.UnicodeBlock block = Character.UnicodeBlock.of(text.charAt(index));
-            if (block == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
-                    || block == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
-                    || block == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS) {
-                return true;
-            }
-        }
-        return false;
-    }
-
     private void saveCursor() {
         savedRow = cursorRow;
         savedCol = cursorCol;