degesch: option for fullscreen buffers

1 files changed, 31 insertions, 6 deletions

diff --git a/degesch.c b/degesch.c
index 0886df2..bf8ab95 100644
--- a/degesch.c
+++ b/degesch.c
@@ -1514,6 +1514,7 @@ struct app_context
 	char *attrs[ATTR_COUNT];            ///< Terminal attributes
 	bool isolate_buffers;               ///< Isolate global/server buffers
 	bool beep_on_highlight;             ///< Beep on highlight
+	bool fullscreen_buffers;            ///< Buffers take the whole screen
 	bool logging;                       ///< Logging to file enabled
 	bool show_all_prefixes;             ///< Show all prefixes before nicks
 
@@ -1714,6 +1715,7 @@ static void on_config_logging_change (struct config_item *item);
 	}
 
 TRIVIAL_BOOLEAN_ON_CHANGE (isolate_buffers)
+TRIVIAL_BOOLEAN_ON_CHANGE (fullscreen_buffers)
 TRIVIAL_BOOLEAN_ON_CHANGE (beep_on_highlight)
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -1874,6 +1876,11 @@ static struct config_schema g_config_behaviour[] =
 	  .type      = CONFIG_ITEM_BOOLEAN,
 	  .default_  = "off",
 	  .on_change = on_config_isolate_buffers_change },
+	{ .name      = "fullscreen_buffers",
+	  .comment   = "Space above buffer contents is filled with whitespace",
+	  .type      = CONFIG_ITEM_BOOLEAN,
+	  .default_  = "off",
+	  .on_change = on_config_fullscreen_buffers_change },
 	{ .name      = "beep_on_highlight",
 	  .comment   = "Beep when highlighted or on a new invisible PM",
 	  .type      = CONFIG_ITEM_BOOLEAN,
@@ -3402,13 +3409,31 @@ buffer_print_backlog (struct app_context *ctx, struct buffer *buffer)
 	// The prompt can take considerable time to redraw
 	input_hide (&ctx->input);
 
-	char *buffer_name_localized =
-		iconv_xstrdup (ctx->term_from_utf8, buffer->name, -1, NULL);
-	print_status ("%s", buffer_name_localized);
-	free (buffer_name_localized);
+	// That is, minus the readline prompt
+	int display_limit = MAX (10, g_terminal.lines - 1);
 
-	// That is, minus the buffer switch line and the readline prompt
-	int display_limit = MAX (10, g_terminal.lines - 2);
+	terminal_printer_fn printer = get_attribute_printer (stdout);
+	if (ctx->fullscreen_buffers)
+	{
+		if (soft_assert (clear_screen))
+			tputs (clear_screen, 1, printer);
+		if (cursor_to_ll)
+			tputs (cursor_to_ll, 1, printer);
+		else if (row_address)
+			tputs (tparm (row_address, g_terminal.lines - 1,
+				0, 0, 0, 0, 0, 0, 0, 0), 1, printer);
+		else if (cursor_address)
+			tputs (tparm (cursor_address, g_terminal.lines - 1,
+				0, 0, 0, 0, 0, 0, 0, 0), 1, printer);
+	}
+	else
+	{
+		char *buffer_name_localized =
+			iconv_xstrdup (ctx->term_from_utf8, buffer->name, -1, NULL);
+		print_status ("%s", buffer_name_localized);
+		free (buffer_name_localized);
+		display_limit--;
+	}
 
 	struct buffer_line *line = buffer->lines_tail;
 	int to_display = line != NULL;