Make terminal content view selective

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

@@ -0,0 +1,85 @@
+package com.neatstudio.tmuxandroid;
+
+import org.json.JSONObject;
+
+final class ConversationMessage {
+    final String messageId;
+    final String sessionName;
+    final String role;
+    final String contentType;
+    final String content;
+    final String status;
+    final String toolName;
+    final String parentMessageId;
+    final String createdAt;
+    final boolean local;
+
+    ConversationMessage(
+            String messageId,
+            String sessionName,
+            String role,
+            String contentType,
+            String content,
+            String status,
+            String toolName,
+            String parentMessageId,
+            String createdAt,
+            boolean local
+    ) {
+        this.messageId = messageId;
+        this.sessionName = sessionName;
+        this.role = role;
+        this.contentType = contentType;
+        this.content = content;
+        this.status = status;
+        this.toolName = toolName;
+        this.parentMessageId = parentMessageId;
+        this.createdAt = createdAt;
+        this.local = local;
+    }
+
+    static ConversationMessage fromJson(JSONObject object) {
+        return new ConversationMessage(
+                value(object, "messageId", object.optString("id", "")),
+                object.optString("sessionName", ""),
+                object.optString("role", "assistant"),
+                object.optString("contentType", "text"),
+                object.optString("content", ""),
+                object.optString("status", "complete"),
+                object.optString("toolName", ""),
+                value(object, "parentMessageId", ""),
+                object.optString("createdAt", ""),
+                false
+        );
+    }
+
+    static ConversationMessage localUser(String sessionName, String content) {
+        long now = System.currentTimeMillis();
+        return new ConversationMessage(
+                "local-" + now,
+                sessionName,
+                "user",
+                "text",
+                content,
+                "sending",
+                "",
+                "",
+                "~" + now,
+                true
+        );
+    }
+
+    boolean isTool() {
+        return "tool".equals(role)
+                || "tool".equals(contentType)
+                || "command".equals(contentType)
+                || "code".equals(contentType);
+    }
+
+    private static String value(JSONObject object, String key, String fallback) {
+        if (!object.has(key) || object.isNull(key)) {
+            return fallback;
+        }
+        return object.optString(key, fallback);
+    }
+}

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

@@ -130,35 +130,98 @@ final class TerminalScreenBuffer {
         return output;
     }
 
-    CharSequence renderFocused(Set<String> expandedBlocks, FocusToggle toggle) {
+    String renderTail(int maxRows) {
-        SpannableStringBuilder output = new SpannableStringBuilder();
+        List<String> visible = new ArrayList<>();
-        List<String> hiddenRows = new ArrayList<>();
+        for (int row = rows - 1; row >= 0 && visible.size() < maxRows; row--) {
-        int hiddenStart = -1;
-        for (int row = 0; row < rows; row++) {
             String text = rowText(row).trim();
-            if (containsHan(text)) {
+            if (!text.isEmpty()) {
-                if (!hiddenRows.isEmpty()) {
+                visible.add(0, text);
-                    appendFocusBlock(output, hiddenRows, hiddenStart, row - 1, expandedBlocks, toggle);
-                    hiddenRows.clear();
-                    hiddenStart = -1;
-                }
-                appendLine(output, text);
-            } else if (!text.isEmpty()) {
-                if (hiddenStart < 0) {
-                    hiddenStart = row;
-                }
-                hiddenRows.add(text);
             }
         }
-        if (!hiddenRows.isEmpty()) {
+        if (visible.isEmpty()) {
-            appendFocusBlock(output, hiddenRows, hiddenStart, rows - 1, expandedBlocks, toggle);
+            return "Waiting for terminal output";
+        }
+        return String.join("\n", visible);
+    }
+
+    CharSequence renderFocused(Set<String> expandedBlocks, FocusToggle toggle) {
+        SpannableStringBuilder output = new SpannableStringBuilder();
+        int row = 0;
+        while (row < rows) {
+            String text = rowText(row).trim();
+            if (!isCollapsibleHeader(text)) {
+                if (text.isEmpty()) {
+                    if (output.length() > 0) {
+                        output.append('\n');
+                    }
+                } else {
+                    appendStyledRow(output, row);
+                }
+                row++;
+                continue;
+            }
+
+            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,
@@ -194,25 +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")) {
+        if (first.startsWith("Explored") || first.startsWith("Searched")
-            type = "错误输出";
+                || first.startsWith("Read ") || first.startsWith("List ")
-        } else if (joined.contains("working") || joined.contains("running")
+                || first.startsWith("Viewed ") || first.startsWith("Inspected ")) {
-                || joined.contains("waiting") || joined.contains("interrupt")) {
+            type = "Explored";
-            type = "运行状态";
+        } else if (first.startsWith("Working") || first.startsWith("Stop hook")
-        } else if (joined.contains("test") || joined.contains("build") || joined.contains("compile")
+                || first.startsWith("─ Worked for ")) {
-                || joined.contains("gradle") || joined.contains("webpack") || joined.contains("npm")) {
+            type = "Status";
-            type = "构建/测试";
+        } else if (joined.contains("error") || joined.contains("failed") || joined.contains("exception")) {
-        } else if (joined.contains("git ") || joined.contains("commit") || joined.contains("push")) {
+            type = "Command failed";
-            type = "Git 操作";
-        } else if (lines.get(0).startsWith(">") || lines.get(0).startsWith("$")
-                || lines.get(0).startsWith("!")) {
-            type = "命令与输出";
         } 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) {
@@ -230,6 +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;
@@ -569,15 +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;
@@ -612,18 +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;