1 files changed, 99 insertions, 0 deletions
diff --git a/gdb/tui/tui-winsource.c b/gdb/tui/tui-winsource.c
index 5d0bcb4..3ca723c 100644
--- a/gdb/tui/tui-winsource.c
+++ b/gdb/tui/tui-winsource.c
@@ -65,7 +65,98 @@ tui_display_main ()
     }
 }
 
+/* See tui-winsource.h.  */
+
+std::string
+tui_copy_source_line (const char **ptr, int line_no, int first_col,
+		      int line_width)
+{
+  const char *lineptr = *ptr;
+
+  /* Init the line with the line number.  */
+  std::string result;
+
+  if (line_no > 0)
+    {
+      result = string_printf ("%-6d", line_no);
+      int len = result.size ();
+      len = len - ((len / tui_tab_width) * tui_tab_width);
+      result.append (len, ' ');
+    }
+
+  int column = 0;
+  char c;
+  do
+    {
+      int skip_bytes;
+
+      c = *lineptr;
+      if (c == '\033' && skip_ansi_escape (lineptr, &skip_bytes))
+	{
+	  /* We always have to preserve escapes.  */
+	  result.append (lineptr, lineptr + skip_bytes);
+	  lineptr += skip_bytes;
+	  continue;
+	}
+
+      ++lineptr;
+      ++column;
+
+      auto process_tab = [&] ()
+	{
+	  int max_tab_len = tui_tab_width;
+
+	  --column;
+	  for (int j = column % max_tab_len;
+	       j < max_tab_len && column < first_col + line_width;
+	       column++, j++)
+	    if (column >= first_col)
+	      result.push_back (' ');
+	};
+
+      /* We have to process all the text in order to pick up all the
+	 escapes.  */
+      if (column <= first_col || column > first_col + line_width)
+	{
+	  if (c == '\t')
+	    process_tab ();
+	  continue;
+	}
+
+      if (c == '\n' || c == '\r' || c == '\0')
+	{
+	  /* Nothing.  */
+	}
+      else if (c < 040 && c != '\t')
+	{
+	  result.push_back ('^');
+	  result.push_back (c + 0100);
+	}
+      else if (c == 0177)
+	{
+	  result.push_back ('^');
+	  result.push_back ('?');
+	}
+      else if (c == '\t')
+	process_tab ();
+      else
+	result.push_back (c);
+    }
+  while (c != '\0' && c != '\n' && c != '\r');
+
+  if (c == '\r' && *lineptr == '\n')
+    ++lineptr;
+  *ptr = lineptr;
 
+  return result;
+}
+
+void
+tui_source_window_base::style_changed ()
+{
+  if (tui_active && is_visible ())
+    refill ();
+}
 
 /* Function to display source in the source window.  This function
    initializes the horizontal scroll to 0.  */
@@ -253,8 +344,16 @@ tui_source_window_base::tui_source_window_base (enum tui_win_type type)
   gdb_assert (type == SRC_WIN || type == DISASSEM_WIN);
   start_line_or_addr.loa = LOA_ADDRESS;
   start_line_or_addr.u.addr = 0;
+
+  gdb::observers::source_styling_changed.attach
+    (std::bind (&tui_source_window::style_changed, this),
+     m_observable);
 }
 
+tui_source_window_base::~tui_source_window_base ()
+{
+  gdb::observers::source_styling_changed.detach (m_observable);
+}
 
 /* See tui-data.h.  */