Add <c-s> for saving current selection in the jump list

README.asciidoc

@@ -173,6 +173,17 @@ view.
  * _vk_: scroll the window count line upward
  * _vl_: scroll the window count columns right
 
+Jump list
+---------
+
+Some commands, like the goto commands, buffer switch or search commands,
+push the previous selections to the client's jump list. It is possible
+to forward or backward in the jump list using:
+
+ * _control-i_: Jump forward
+ * _control-o_: Jump backward
+ * _control-s_: save current selections
+
 Multi Selection
 ---------------
 

src/context.cc

@@ -108,6 +108,12 @@ const DynamicSelectionList& Context::jump_forward()
 
 const DynamicSelectionList& Context::jump_backward()
 {
+    if (m_current_jump != m_jump_list.end() and
+        *m_current_jump != editor().selections())
+    {
+        push_jump();
+        return *--m_current_jump;
+    }
     if (m_current_jump != m_jump_list.begin())
     {
         if (m_current_jump == m_jump_list.end())

src/normal.cc

@@ -746,6 +746,13 @@ void jump(Context& context)
     context.editor().select(SelectionList{ jump });
 }
 
+void save_selections(Context& context)
+{
+	context.push_jump();
+	context.print_status({ "saved " + to_string(context.editor().selections().size()) +
+                           " selections", get_color("Information") });
+}
+
 template<bool insert_at_begin>
 void align(Context& context)
 {
@@ -941,6 +948,7 @@ KeyMap keymap =
 
     { { Key::Modifiers::Control, 'i' }, jump<Forward> },
     { { Key::Modifiers::Control, 'o' }, jump<Backward> },
+    { { Key::Modifiers::Control, 's' }, save_selections },
 
     { { Key::Modifiers::Alt,  'r' }, rotate_selections },