Move func "settings_(get|set)_master_area_factor_per_unit" to Rust

src/api/settings.rs

@@ -101,6 +101,18 @@ unsafe extern "C" fn settings_set_gap_size(value: c_int) {
     SETTINGS.unwrap().gap_size_set(value);
 }
 
+#[no_mangle]
+unsafe extern "C" fn settings_get_master_area_factor_per_unit() -> c_uchar {
+    SETTINGS.unwrap().master_area_factor_per_unit().into()
+}
+
+#[no_mangle]
+unsafe extern "C" fn settings_set_master_area_factor_per_unit(value: c_uchar) {
+    SETTINGS
+        .unwrap()
+        .master_area_factor_per_unit_set(value.into());
+}
+
 #[no_mangle]
 unsafe extern "C" fn settings_get_max_clients_in_master() -> c_int {
     match SETTINGS.unwrap().max_clients_in_master() {

src/settings.c

@@ -2,20 +2,8 @@
 
 #include "constraints.h"
 
-static UnitKind master_area_factor_per_unit = UNIT_MONITOR;
 static UnitKind show_bar_per_unit = UNIT_MONITOR;
 
-UnitKind settings_get_master_area_factor_per_unit()
-{
-	return master_area_factor_per_unit;
-}
-
-void settings_set_master_area_factor_per_unit(const UnitKind new_master_area_factor_per_unit)
-{
-	master_area_factor_per_unit = new_master_area_factor_per_unit;
-	// TODO: notify WM to rearrange clients
-}
-
 UnitKind settings_get_show_bar_per_unit()
 {
 	return show_bar_per_unit;

src/settings.rs

@@ -1,4 +1,5 @@
 use crate::constraints;
+use crate::unit;
 
 use std::os::raw::*;
 
@@ -13,6 +14,7 @@ pub struct Settings {
     focus_on_wheel: bool,
     gap_for_single_window: ForSingleWindow,
     gap_size: c_int,
+    master_area_factor_per_unit: unit::Kind,
     max_clients_in_master: Option<c_int>,
     respect_resize_hints_in_floating_layout: bool,
     show_bar_by_default: bool,
@@ -40,6 +42,7 @@ impl Default for Settings {
             focus_on_wheel: true,
             gap_for_single_window: Default::default(),
             gap_size: 10,
+            master_area_factor_per_unit: unit::Kind::Monitor,
             max_clients_in_master: None,
             respect_resize_hints_in_floating_layout: false,
             show_bar_by_default: true,
@@ -157,6 +160,14 @@ impl Settings {
         self.gap_size = constraints::gap_size(value);
     }
 
+    pub fn master_area_factor_per_unit(&self) -> unit::Kind {
+        self.master_area_factor_per_unit
+    }
+
+    pub fn master_area_factor_per_unit_set(&mut self, value: unit::Kind) {
+        self.master_area_factor_per_unit = value;
+    }
+
     pub fn max_clients_in_master(&self) -> Option<c_int> {
         self.max_clients_in_master
     }