+2021-02-08 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * tui/tui-interp.c (tui_command_line_handler): New function.
+ (tui_interp::resume): Register tui_command_line_handler as the
+ input_handler.
+ * tui/tui-io.c (tui_inject_newline_into_command_window): New
+ function.
+ (tui_getc_1): Delete handling of '\n' and '\r'.
+ * tui-io.h (tui_inject_newline_into_command_window): Declare.
+
2021-02-07 Hannes Domani <ssbssa@yahoo.de>
* tui/tui-regs.c (tui_data_window::display_registers_from):
+2021-02-08 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * gdb.tui/scroll.exp: Tighten expected results. Remove comment
+ about bug in GDB, update expected results, and add more tests.
+
2021-02-08 Andrew Burgess <andrew.burgess@embecosm.com>
* gdb.tui/scroll.exp: New file.
}
# Now check that the contents of the command window are as expected.
-#
-# Well, we would if there wasn't a massive bug in GDB!! The command
-# window contents will not be exactly what you'd expect after this
-# test has run.
-#
-# The expected output pattern given here is crafted so that it matches
-# those bits of the GDB output that will be correct, and ignores those
-# parts of the output that are known to be incorrect.
-#
-# If/when GDB is fixed it is expected that this test will continue to
-# pass, though it is possible that at that point the pattern here
-# could be improved.
Term::check_region_contents "check cmd window" 0 16 80 8 \
[multi_line \
- "\[^\r\n\]*\\\$7 = 6\[^\r\n\]+" \
- "\\(gdb\\)\[^\r\n\]+" \
- "\[^\r\n\]*\\\$8 = 7\[^\r\n\]+" \
- "\\(gdb\\)\[^\r\n\]+" \
- "\[^\r\n\]*\\\$9 = 8\[^\r\n\]+" \
- "\\(gdb\\)\[^\r\n\]+" \
- "\[^\r\n\]*\\\$10 = 9\[^\r\n\]+" \
+ "\\\$7 = 6\\s+" \
+ "\\(gdb\\) p 7\\s+" \
+ "\\\$8 = 7\\s+" \
+ "\\(gdb\\) p 8\\s+" \
+ "\\\$9 = 8\\s+" \
+ "\\(gdb\\) p 9\\s+" \
+ "\\\$10 = 9\\s+" \
+ "\\(gdb\\)"]
+
+# Now create a new layout where the CMD window is at the top of the
+# screen. Sitch to this layout and ensure that scrolling still works
+# as expected.
+Term::command "tui new-layout flip cmd 1 src 1"
+Term::command "layout flip"
+
+for {set i 10} {$i < 20} {incr i 1} {
+ Term::command "p $i"
+}
+
+# Now check that the contents of the command window are as expected.
+Term::check_region_contents "check cmd window in flip layout" 0 0 80 8 \
+ [multi_line \
+ "\\\$17 = 16\\s+" \
+ "\\(gdb\\) p 17\\s+" \
+ "\\\$18 = 17\\s+" \
+ "\\(gdb\\) p 18\\s+" \
+ "\\\$19 = 18\\s+" \
+ "\\(gdb\\) p 19\\s+" \
+ "\\\$20 = 19\\s+" \
"\\(gdb\\)"]
tui_ensure_readline_initialized ();
}
+/* Used as the command handler for the tui. */
+
+static void
+tui_command_line_handler (gdb::unique_xmalloc_ptr<char> &&rl)
+{
+ /* When a tui enabled GDB is running in either tui mode or cli mode then
+ it is always the tui interpreter that is in use. As a result we end
+ up in here even in standard cli mode.
+
+ We only need to do any special actions when the tui is in use
+ though. When the tui is active the users return is not echoed to the
+ screen as a result the display will not automatically move us to the
+ next line. Here we manually insert a newline character and move the
+ cursor. */
+ if (tui_active)
+ tui_inject_newline_into_command_window ();
+
+ /* Now perform GDB's standard CLI command line handling. */
+ command_line_handler (std::move (rl));
+}
+
void
tui_interp::resume ()
{
gdb_setup_readline (1);
- ui->input_handler = command_line_handler;
+ ui->input_handler = tui_command_line_handler;
if (stream != NULL)
tui_old_uiout->set_stream (gdb_stdout);
return 0;
}
+/* See tui-io.h. */
+
+void
+tui_inject_newline_into_command_window ()
+{
+ gdb_assert (tui_active);
+
+ WINDOW *w= TUI_CMD_WIN->handle.get ();
+
+ /* When hitting return with an empty input, gdb executes the last
+ command. If we emit a newline, this fills up the command window
+ with empty lines with gdb prompt at beginning. Instead of that,
+ stay on the same line but provide a visual effect to show the
+ user we recognized the command. */
+ if (rl_end == 0 && !gdb_in_secondary_prompt_p (current_ui))
+ {
+ wmove (w, getcury (w), 0);
+
+ /* Clear the line. This will blink the gdb prompt since
+ it will be redrawn at the same line. */
+ wclrtoeol (w);
+ wrefresh (w);
+ napms (20);
+ }
+ else
+ {
+ /* Move cursor to the end of the command line before emitting the
+ newline. We need to do so because when ncurses outputs a newline
+ it truncates any text that appears past the end of the cursor. */
+ int px, py;
+ getyx (w, py, px);
+ px += rl_end - rl_point;
+ py += px / TUI_CMD_WIN->width;
+ px %= TUI_CMD_WIN->width;
+ wmove (w, py, px);
+ tui_putc ('\n');
+ }
+}
+
/* Main worker for tui_getc. Get a character from the command window.
This is called from the readline package, but wrapped in a
try/catch by tui_getc. */
ch = gdb_wgetch (w);
- /* The \n must be echoed because it will not be printed by
- readline. */
- if (ch == '\n' || ch == '\r')
- {
- /* When hitting return with an empty input, gdb executes the last
- command. If we emit a newline, this fills up the command window
- with empty lines with gdb prompt at beginning. Instead of that,
- stay on the same line but provide a visual effect to show the
- user we recognized the command. */
- if (rl_end == 0 && !gdb_in_secondary_prompt_p (current_ui))
- {
- wmove (w, getcury (w), 0);
-
- /* Clear the line. This will blink the gdb prompt since
- it will be redrawn at the same line. */
- wclrtoeol (w);
- wrefresh (w);
- napms (20);
- }
- else
- {
- /* Move cursor to the end of the command line before emitting the
- newline. We need to do so because when ncurses outputs a newline
- it truncates any text that appears past the end of the cursor. */
- int px, py;
- getyx (w, py, px);
- px += rl_end - rl_point;
- py += px / TUI_CMD_WIN->width;
- px %= TUI_CMD_WIN->width;
- wmove (w, py, px);
- tui_putc ('\n');
- }
- }
-
/* Handle prev/next/up/down here. */
ch = tui_dispatch_ctrl_char (ch);
extern struct ui_out *tui_out;
extern cli_ui_out *tui_old_uiout;
+/* This should be called when the user has entered a command line in tui
+ mode. Inject the newline into the output and move the cursor to the
+ next line. */
+extern void tui_inject_newline_into_command_window ();
+
#endif /* TUI_TUI_IO_H */
projects / binutils-gdb.git / commitdiff