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Make TUI react to "set style enabled"

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When the user toggles "set style enabled", the TUI should react by
redrawing the source window, if necessary.  This patch implements this
behavior.

No test because the TUI is generally not tested.

This version of the patch incorporates Pedro's patch to provide a
clean way to force the TUI to update the source window's contents.

gdb/ChangeLog
2019-03-14  Pedro Alves  <palves@redhat.com>
	    Tom Tromey  <tromey@adacore.com>

	* tui/tui-winsource.h (tui_refill_source_window): Declare.
	* tui/tui-winsource.c (tui_refill_source_window): New function,
	from...
	(tui_horizontal_source_scroll): ... here.  Move some logic.
	* cli/cli-style.c (set_style_enabled): Notify new observable.
	* tui/tui-hooks.c (tui_redisplay_source): New function.
	(tui_attach_detach_observers): Attach or detach
	tui_redisplay_source.
	* observable.h (source_styling_changed): New observable.
	* observable.c: Define source_styling_changed observable.
This commit is contained in:
Tom Tromey
2019-03-08 13:41:55 -07:00
parent a0148d8416
commit 6f11e6824e
7 changed files with 61 additions and 19 deletions
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2
gdb/cli/cli-style.c
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@@ -21,6 +21,7 @@
#include "cli/cli-cmds.h"
#include "cli/cli-style.h"
#include "source-cache.h"
#include "observable.h"
/* True if styling is enabled. */
@@ -216,6 +217,7 @@ static void
set_style_enabled (const char *args, int from_tty, struct cmd_list_element *c)
{
g_source_cache.clear ();
gdb::observers::source_styling_changed.notify ();
}
static void