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From: Tom Tromey <tom@tromey.com>
To: gdb-patches@sourceware.org
Cc: Tom Tromey <tom@tromey.com>
Subject: [PATCH 04/24] Simplify TUI C-x 2 binding
Date: Sat, 04 Jan 2020 18:34:00 -0000	[thread overview]
Message-ID: <20200104183410.17114-5-tom@tromey.com> (raw)
In-Reply-To: <20200104183410.17114-1-tom@tromey.com>

The TUI "C-x 2" binding tries to switch to a different layout based on
the current layout.  Once user-defined layouts are available, this
won't really make sense.  I wasn't entirely sure how to handle this.

This patch changes the binding to simply cycle through the existing
layouts.  I considered this a reasonable, though not ideal,
compromise.

gdb/ChangeLog
2020-01-04  Tom Tromey  <tom@tromey.com>

	* tui/tui.c (tui_rl_change_windows): Call tui_next_layout.
	* tui/tui-layout.h (tui_next_layout): Declare.
	* tui/tui-layout.c (tui_next_layout): New function.

Change-Id: Ic101f0e3831a4235a048b3090ef60f025f7449bb
---
 gdb/ChangeLog        |  6 ++++++
 gdb/tui/tui-layout.c |  7 +++++++
 gdb/tui/tui-layout.h |  3 +++
 gdb/tui/tui.c        | 38 ++------------------------------------
 4 files changed, 18 insertions(+), 36 deletions(-)

diff --git a/gdb/tui/tui-layout.c b/gdb/tui/tui-layout.c
index 8be98e9ba48..016cab649d4 100644
--- a/gdb/tui/tui-layout.c
+++ b/gdb/tui/tui-layout.c
@@ -276,6 +276,13 @@ tui_layout_command (const char *layout_name, int from_tty)
   tui_set_layout (new_layout);
 }
 
+/* See tui-layout.h.  */
+
+void
+tui_next_layout ()
+{
+  tui_layout_command ("next", 0);
+}
 
 static void
 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
diff --git a/gdb/tui/tui-layout.h b/gdb/tui/tui-layout.h
index 37f07c24e4f..7e4b7b7a816 100644
--- a/gdb/tui/tui-layout.h
+++ b/gdb/tui/tui-layout.h
@@ -181,6 +181,9 @@ extern void tui_add_win_to_layout (enum tui_win_type);
 
 extern void tui_set_layout (enum tui_layout_type);
 
+/* Switch to the next layout.  */
+extern void tui_next_layout ();
+
 /* Apply the current layout.  */
 extern void tui_apply_current_layout ();
 
diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c
index 7ff5825ece2..780d3bae9c0 100644
--- a/gdb/tui/tui.c
+++ b/gdb/tui/tui.c
@@ -139,8 +139,7 @@ tui_rl_switch_mode (int notused1, int notused2)
 /* TUI readline command.
    Change the TUI layout to show a next layout.
    This function is bound to CTRL-X 2.  It is intended to provide
-   a functionality close to the Emacs split-window command.  We
-   always show two windows (src+asm), (src+regs) or (asm+regs).  */
+   a functionality close to the Emacs split-window command.  */
 static int
 tui_rl_change_windows (int notused1, int notused2)
 {
@@ -148,41 +147,8 @@ tui_rl_change_windows (int notused1, int notused2)
     tui_rl_switch_mode (0 /* notused */, 0 /* notused */);
 
   if (tui_active)
-    {
-      enum tui_layout_type new_layout;
-
-      new_layout = tui_current_layout ();
-
-      /* Select a new layout to have a rolling layout behavior with
-	 always two windows (except when undefined).  */
-      switch (new_layout)
-	{
-	case SRC_COMMAND:
-	  new_layout = SRC_DISASSEM_COMMAND;
-	  break;
-
-	case DISASSEM_COMMAND:
-	  new_layout = SRC_DISASSEM_COMMAND;
-	  break;
-
-	case SRC_DATA_COMMAND:
-	  new_layout = SRC_DISASSEM_COMMAND;
-	  break;
-
-	case SRC_DISASSEM_COMMAND:
-	  new_layout = DISASSEM_DATA_COMMAND;
-	  break;
-	  
-	case DISASSEM_DATA_COMMAND:
-	  new_layout = SRC_DATA_COMMAND;
-	  break;
+    tui_next_layout ();
 
-	default:
-	  new_layout = SRC_COMMAND;
-	  break;
-	}
-      tui_set_layout (new_layout);
-    }
   return 0;
 }
 
-- 
2.17.2


  parent reply	other threads:[~2020-01-04 18:34 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-04 18:34 [PATCH 00/24] Horizontal TUI layout + windows in Python Tom Tromey
2020-01-04 18:34 ` [PATCH 12/24] Change TUI window iteration Tom Tromey
2020-01-04 18:34 ` [PATCH 19/24] Remove the TUI annotation hack Tom Tromey
2020-01-04 18:34 ` [PATCH 15/24] Remove tui_delete_invisible_windows and tui_make_all_invisible Tom Tromey
2020-01-04 18:34 ` [PATCH 02/24] Simplify tui_add_win_to_layout Tom Tromey
2020-01-04 18:34 ` [PATCH 09/24] Allow TUI sub-layouts in "new-layout" command Tom Tromey
2020-01-04 18:34 ` [PATCH 21/24] Make some tui_source_window_base members "protected" Tom Tromey
2020-01-04 18:34 ` [PATCH 07/24] Remove hard-coded TUI layouts Tom Tromey
2020-01-04 18:34 ` [PATCH 01/24] Use TUI_DISASM_WIN instead of tui_win_list array Tom Tromey
2020-01-04 18:34 ` [PATCH 20/24] Allow TUI windows in Python Tom Tromey
2020-01-04 18:57   ` Eli Zaretskii
2020-02-22 19:57     ` Tom Tromey
2020-02-22 20:18       ` Eli Zaretskii
2020-03-10 22:23   ` Simon Marchi
2020-03-11  0:23     ` Tom Tromey
2020-03-11  4:47       ` Simon Marchi
2020-03-11  5:07         ` Simon Marchi
2020-03-11 18:05         ` Tom Tromey
2020-01-04 18:34 ` [PATCH 10/24] Change return type of tui_layout_base::adjust_size Tom Tromey
2020-01-04 18:34 ` Tom Tromey [this message]
2020-01-04 18:34 ` [PATCH 06/24] Reimplement "tui reg" command Tom Tromey
2020-01-04 18:34 ` [PATCH 11/24] Add horizontal splitting to TUI layout Tom Tromey
2020-01-04 18:47   ` Eli Zaretskii
2020-01-04 18:34 ` [PATCH 08/24] Add the "tui new-layout" command Tom Tromey
2020-01-04 18:44   ` Eli Zaretskii
2020-01-04 18:34 ` [PATCH 22/24] Use error_no_arg in TUI Tom Tromey
2020-01-04 18:34 ` [PATCH 18/24] Remove tui_set_win_focus_to Tom Tromey
2020-01-04 18:34 ` [PATCH 24/24] Fix cast in TUI_DISASM_WIN Tom Tromey
2020-01-04 18:34 ` [PATCH 13/24] Reimplement tui_next_win and tui_prev_win Tom Tromey
2020-01-04 18:34 ` [PATCH 05/24] Reimplement TUI "C-x 1" binding Tom Tromey
2020-01-04 18:34 ` [PATCH 03/24] Fix latent display bug in tui_data_window Tom Tromey
2020-01-04 18:34 ` [PATCH 16/24] TUI windows do not need to store their type Tom Tromey
2020-01-04 18:34 ` [PATCH 23/24] Add "usage" text to all TUI command help Tom Tromey
2020-01-04 18:34 ` [PATCH 14/24] Handle ambiguity in tui_partial_win_by_name Tom Tromey
2020-01-04 18:54 ` [PATCH 17/24] Change how TUI windows are instantiated Tom Tromey
2020-02-22 20:22 ` [PATCH 00/24] Horizontal TUI layout + windows in Python Tom Tromey

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