Fix linux config default value

alacritty.yml

@@ -40,7 +40,7 @@ scrolling:
 
   # Number of lines the viewport will move for every line
   # scrolled when scrollback is enabled (history > 0).
-  multiplier: 1
+  multiplier: 3
 
   # Faux Scrolling
   #

src/config.rs

@@ -385,18 +385,6 @@ pub struct Config {
     scrolling: Scrolling,
 }
 
-fn deserialize_scroll_history<'a, D>(deserializer: D) -> ::std::result::Result<u32, D::Error>
-    where D: de::Deserializer<'a>
-{
-    match u32::deserialize(deserializer) {
-        Ok(lines) => Ok(lines),
-        Err(err) => {
-            eprintln!("problem with config: {}; Using default value", err);
-            Ok(default_scroll_history())
-        },
-    }
-}
-
 fn failure_default_vec<'a, D, T>(deserializer: D) -> ::std::result::Result<Vec<T>, D::Error>
     where D: de::Deserializer<'a>,
           T: Deserialize<'a>

src/input.rs

@@ -439,7 +439,7 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
                     65
                 };
 
-                let scrolling_multiplier = self.mouse_config.normal_scrolling_lines;
+                let scrolling_multiplier = self.scrolling_config.multiplier;
                 for _ in 0..(to_scroll.abs() as usize) {
                     self.scroll_terminal(code, modifiers, scrolling_multiplier)
                 }
@@ -477,8 +477,13 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
     fn scroll_terminal(&mut self, code: u8, modifiers: ModifiersState, scroll_multiplier: u8) {
         debug_assert!(code == 64 || code == 65);
 
-        let faux_scrollback_lines = self.mouse_config.faux_scrollback_lines;
         let mouse_modes = TermMode::MOUSE_REPORT_CLICK | TermMode::MOUSE_DRAG | TermMode::MOUSE_MOTION;
+
+        // Make sure the new and deprecated setting are both allowed
+        let faux_scrollback_lines = self.mouse_config
+            .faux_scrollback_lines
+            .unwrap_or(self.scrolling_config.faux_multiplier as usize);
+
         if self.ctx.terminal_mode().intersects(mouse_modes) {
             self.mouse_report(code, ElementState::Pressed, modifiers);
         } else if self.ctx.terminal_mode().contains(TermMode::ALT_SCREEN)