[ui] improve CLI connection status and shortcut layout

2026-11-02 03:52:43 +08:00 · 2026-10-30 16:21:56 +08:00
parent d984aa55de
commit c5ee7d0691
5 changed files with 295 additions and 47 deletions
@@ -0,0 +1,151 @@
+#include "terminal_renderer.h"
+#include <algorithm>
+
+namespace crossdesk::terminal {
+namespace {
+std::string Clip(const std::string &text, size_t width) {
+  if (text.size() <= width)
+    return text;
+  return width > 3 ? text.substr(0, width - 3) + "..." : text.substr(0, width);
+}
+
+std::string Compact(const std::vector<std::string> &choices, size_t width) {
+  for (const auto &text : choices)
+    if (text.size() <= width)
+      return text;
+  return {};
+}
+
+std::string Label(const std::string &label) {
+  std::string text = label;
+  text.resize(5, ' ');
+  return text + " | ";
+}
+
+std::string CompactRow(const std::string &label,
+                       const std::vector<std::string> &choices, size_t width) {
+  const auto prefix = width >= 12 ? Label(label) : std::string{};
+  return prefix + Compact(choices, width - prefix.size());
+}
+
+std::string Columns(const std::string &label,
+                    const std::vector<std::string> &cells, size_t width,
+                    size_t count) {
+  std::string line = Label(label);
+  const size_t content = width - line.size() - (count - 1) * 3;
+  for (size_t i = 0; i < cells.size(); ++i) {
+    const size_t start = 8 + i * content / count + i * 3;
+    if (i) {
+      line.resize(start - 3, ' ');
+      line += " | ";
+    }
+    line += cells[i];
+  }
+  return line;
+}
+} // namespace
+
+std::vector<std::string> StatusLines(const StatusBar &bar, int columns) {
+  const size_t width = std::clamp(columns, 1, 240);
+  const size_t margin = width >= 20 ? 1 : 0;
+  const size_t inner = width - 2 * margin;
+  const std::string mode =
+      bar.command_mode
+          ? (bar.control
+                 ? (inner < 36 ? "LOCAL PAUSED" : "LOCAL / CONTROL PAUSED")
+                 : (inner < 36 ? "LOCAL READ" : "LOCAL / READ ONLY"))
+      : bar.control ? "CONTROL"
+                    : "READ ONLY";
+  const auto progress =
+      bar.error.empty() ? bar.progress : "Error: " + bar.error;
+  auto left = mode + " | " + progress;
+  auto right = bar.view + (bar.network.empty() ? "" : " | " + bar.network);
+  if (left.size() + right.size() + 2 > inner)
+    right = bar.network;
+  if (left.size() + right.size() + 2 > inner && bar.error.empty())
+    left = mode + " | " + bar.compact_progress;
+  if (left.size() + right.size() + 2 > inner)
+    right.clear();
+  std::string status = Clip(left, inner);
+  if (!right.empty()) {
+    status.resize(inner - right.size(), ' ');
+    status += right;
+  }
+
+  std::string keys, view;
+  if (inner >= 63) {
+    const size_t count = inner >= 99 ? 4 : inner >= 77 ? 3 : 2;
+    if (bar.command_mode) {
+      keys =
+          Columns("LOCAL",
+                  count >= 3 ? std::vector<std::string>{"<Esc/Ctrl+C> Return",
+                                                        "<c> Toggle control",
+                                                        "<q> Quit"}
+                             : std::vector<std::string>{"<Esc/Ctrl+C> Return",
+                                                        "<c> Toggle; <q> Quit"},
+                  inner, count);
+    } else if (bar.control) {
+      keys = Columns("KEYS", {"<Ctrl+]> Commands", "Input -> remote"}, inner,
+                     count);
+    } else {
+      keys = Columns("KEYS",
+                     count >= 3
+                         ? std::vector<std::string>{"<c> Control", "<q> Quit",
+                                                    "<Ctrl+]> Commands"}
+                         : std::vector<std::string>{"<c> Control; <q> Quit",
+                                                    "<Ctrl+]> Commands"},
+                     inner, count);
+    }
+    if (bar.control && !bar.command_mode) {
+      view = Columns("THEN", {"<c> Toggle control", "<q> Quit"}, inner, count);
+    } else {
+      view = Columns(
+          "VIEW",
+          count == 4
+              ? std::vector<std::string>{"<arrows/ijkl> Pan", "<+/-> Zoom",
+                                         "<f> Fit", "<d> Detail"}
+          : count == 3
+              ? std::vector<std::string>{"<arrows/ijkl> Pan", "<+/-> Zoom",
+                                         "<f> Fit; <d> Detail"}
+              : std::vector<std::string>{"<arrows> Pan; <+/-> Zoom",
+                                         "<f> Fit; <d> Detail"},
+          inner, count);
+    }
+  } else {
+    keys = CompactRow(
+        bar.command_mode ? "LOCAL" : "KEYS",
+        bar.command_mode
+            ? std::vector<std::string>{"<Esc> Return | <c> Toggle | <q> Quit",
+                                       "<Esc> Return | <q> Quit",
+                                       "<Esc> Back <q> Quit", "<q> Quit", "<q>",
+                                       "q"}
+        : bar.control
+            ? std::vector<std::string>{"<Ctrl+]> Commands | Input -> remote",
+                                       "<Ctrl+]> Commands", "<Ctrl+]> Menu",
+                                       "<Ctrl+]>"}
+            : std::vector<
+                  std::string>{"<c> Control | <q> Quit | <Ctrl+]> Commands",
+                               "<c> Control | <q> Quit", "<c> Ctrl <q> Quit",
+                               "<q> Quit", "<q>", "q"},
+        inner);
+    view = CompactRow(
+        bar.control && !bar.command_mode ? "THEN" : "VIEW",
+        bar.control && !bar.command_mode
+            ? std::vector<std::string>{"<c> Toggle control | <q> Quit",
+                                       "<c> Toggle; <q> Quit", "<c> / <q>",
+                                       "<q>", "q"}
+            : std::vector<std::string>{"<arrows> Pan | <+/-> Zoom | <f> Fit | "
+                                       "<d> Detail",
+                                       "<+/-> Zoom | <f> Fit | <d> Detail",
+                                       "<f> Fit | <d> Detail", "<f> Fit", "<f>",
+                                       "f"},
+        inner);
+  }
+  std::vector<std::string> lines{status, keys, view};
+  for (auto &line : lines) {
+    line.insert(0, margin, ' ');
+    line.resize(width, ' ');
+  }
+  return lines;
+}
+} // namespace crossdesk::terminal