degesch: add goto activity and highlight

NEWS

@@ -18,6 +18,9 @@
 
  * degesch: added logging of messages sent from /quote and plugins
 
+ * degesch: M-! and M-@ to go to the next buffer in order with
+   a highlight or new activity respectively
+
  * kike: add support for IRCv3.2 server-time
 
  * ZyklonB: plugins now run in a dedicated data directory

degesch.c

@@ -11758,6 +11758,45 @@ on_switch_buffer (int count, int key, void *user_data)
 	return true;
 }
 
+static bool
+on_goto_highlight (int count, int key, void *user_data)
+{
+	(void) count;
+	(void) key;
+
+	struct app_context *ctx = user_data;
+	struct buffer *new_buffer = ctx->current_buffer;
+	while (!new_buffer->highlighted)
+	{
+		if (!(new_buffer = new_buffer->next))
+			new_buffer = ctx->buffers;
+		if (new_buffer == ctx->current_buffer)
+			return false;
+	}
+	buffer_activate (ctx, new_buffer);
+	return true;
+}
+
+static bool
+on_goto_activity (int count, int key, void *user_data)
+{
+	(void) count;
+	(void) key;
+
+	struct app_context *ctx = user_data;
+	struct buffer *new_buffer = ctx->current_buffer;
+	while (new_buffer->unseen_messages_count
+		== new_buffer->unseen_unimportant_count)
+	{
+		if (!(new_buffer = new_buffer->next))
+			new_buffer = ctx->buffers;
+		if (new_buffer == ctx->current_buffer)
+			return false;
+	}
+	buffer_activate (ctx, new_buffer);
+	return true;
+}
+
 static bool
 on_redraw_screen (int count, int key, void *user_data)
 {
@@ -11799,6 +11838,8 @@ bind_common_keys (struct app_context *ctx)
 	XX ("next-buffer",      "Next buffer",     on_next_buffer)
 	XX ("goto-buffer",      "Go to buffer",    on_goto_buffer)
 	XX ("switch-buffer",    "Switch buffer",   on_switch_buffer)
+	XX ("goto-highlight",   "Go to highlight", on_goto_highlight)
+	XX ("goto-activity",    "Go to activity",  on_goto_activity)
 	XX ("display-backlog",  "Show backlog",    on_display_backlog)
 	XX ("display-full-log", "Show full log",   on_display_full_log)
 	XX ("edit-input",       "Edit input",      on_edit_input)
@@ -11815,6 +11856,8 @@ bind_common_keys (struct app_context *ctx)
 		CALL_ (self, bind_meta, '0' + i, "goto-buffer");
 
 	CALL_ (self, bind_meta, '\t', "switch-buffer");
+	CALL_ (self, bind_meta, '!', "goto-highlight");
+	CALL_ (self, bind_meta, '@', "goto-activity");
 	CALL_ (self, bind_meta, 'm', "insert-attribute");
 	CALL_ (self, bind_meta, 'h', "display-full-log");
 	CALL_ (self, bind_meta, 'e', "edit-input");