Move funcs "settings_(get|set)_bar_on_top_by_default" to Rust

Cargo.lock

@@ -2,6 +2,54 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ctor"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdffe87e1d521a10f9696f833fe502293ea446d7f256c06128293a4119bdf4cb"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "polytreewm"
 version = "0.0.0"
+dependencies = [
+ "ctor",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"

Cargo.toml

@@ -15,3 +15,6 @@ publish = false
 [lib]
 name = "polytreewm"
 crate-type = ["staticlib"]
+
+[dependencies]
+ctor = "0.1.23"

src/api.rs

@@ -2,6 +2,29 @@ use crate::*;
 
 use std::os::raw::*;
 
+use ctor::ctor;
+
+/************
+ * Settings *
+ ************/
+
+static mut SETTINGS: Option<Settings> = None;
+
+#[ctor]
+unsafe fn ctor() {
+    SETTINGS = Some(Default::default());
+}
+
+#[no_mangle]
+unsafe extern "C" fn settings_get_bar_on_top_by_default() -> bool {
+    SETTINGS.unwrap().bar_on_top_by_default()
+}
+
+#[no_mangle]
+unsafe extern "C" fn settings_set_bar_on_top_by_default(value: bool) {
+    SETTINGS.unwrap().bar_on_top_by_default_set(value);
+}
+
 /***************
  * Constraints *
  ***************/

src/lib.rs

@@ -1,3 +1,7 @@
 mod api;
 mod constraints;
+mod settings;
+
 pub mod geom;
+
+pub use settings::Settings;

src/settings.c

@@ -2,7 +2,6 @@
 
 #include "constraints.h"
 
-static bool bar_on_top_by_default = true;
 static SettingsForSingleWindow border_for_single_window = SETTINGS_FOR_SINGLE_WINDOW_NOBODY_IS_FULLSCREEN;
 static int border_width = 2;
 static int default_clients_in_master = 1;
@@ -19,16 +18,6 @@ static UnitKind show_bar_per_unit = UNIT_MONITOR;
 static unsigned int snap_distance = 32;
 static bool swallow_floating = false;
 
-bool settings_get_bar_on_top_by_default()
-{
-	return bar_on_top_by_default;
-}
-
-void settings_set_bar_on_top_by_default(bool new_bar_on_top_by_default)
-{
-	bar_on_top_by_default = new_bar_on_top_by_default;
-}
-
 SettingsForSingleWindow settings_get_border_for_single_window()
 {
 	return border_for_single_window;

src/settings.rs

@@ -0,0 +1,22 @@
+#[derive(Clone, Copy, Debug)]
+pub struct Settings {
+    bar_on_top_by_default: bool,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            bar_on_top_by_default: true,
+        }
+    }
+}
+
+impl Settings {
+    pub fn bar_on_top_by_default(&self) -> bool {
+        self.bar_on_top_by_default
+    }
+
+    pub fn bar_on_top_by_default_set(&mut self, bar_on_top_by_default: bool) {
+        self.bar_on_top_by_default = bar_on_top_by_default;
+    }
+}