add logging macros for debug mode only printing

3 files changed, 31 insertions, 18 deletions

diff --git a/src/conn_info/mod.rs b/src/conn_info/mod.rs
index 7ef6b5a..7bf09ba 100644
--- a/src/conn_info/mod.rs
+++ b/src/conn_info/mod.rs
@@ -6,7 +6,7 @@ use xcb::{
         self, ChangeProperty, ChangeWindowAttributes, CreateWindow, DeleteProperty, DestroyWindow,
         Window, WindowClass,
     },
-    Connection as RawConnection, Cookie, VoidCookieChecked,
+    Connection as RawConnection, VoidCookieChecked,
 };
 
 #[doc(hidden)]
@@ -24,7 +24,10 @@ pub use self::{
     cursors::Cursors,
     keys::KeyboardInfo,
 };
-use crate::error::{Error, Result};
+use crate::{
+    debug_req,
+    error::{Error, Result},
+};
 
 /// The connection, along with some cached resources required for WM operations.
 pub struct Connection<'a> {
@@ -54,18 +57,6 @@ pub struct Connection<'a> {
     pub keyboard_state: KeyboardInfo,
 }
 
-/// Helper macro to log a request / cookie when `debug_assertions` are on
-macro_rules! debug_req {
-    ($req:ident) => {
-        #[cfg(debug_assertions)]
-        eprintln!("seq ?: {:?}", $req)
-    };
-    ($req:ident, $cookie:ident) => {
-        #[cfg(debug_assertions)]
-        eprintln!("seq {}: {:?}", $cookie.sequence(), $req)
-    };
-}
-
 impl<'a> Connection<'a> {
     /// Prepare the window manager to run on the given connection and screen number.
     /// This will fail if another WM is running.
diff --git a/src/log.rs b/src/log.rs
new file mode 100644
index 0000000..5be30d3
--- /dev/null
+++ b/src/log.rs
@@ -0,0 +1,24 @@
+//! Helper macros for logging
+
+/// Log to standard error, only compiled when in debug mode.
+#[macro_export]
+macro_rules! debug {
+    ($($e:expr),*) => {
+        #[cfg(debug_assertions)]
+        {
+            eprintln!($($e),*);
+        }
+    };
+}
+
+/// Log a request / cookie when `debug_assertions` are on
+#[macro_export]
+macro_rules! debug_req {
+    ($req:ident) => {
+        crate::debug!("seq ?: {:?}", $req)
+    };
+    ($req:ident, $cookie:ident) => {
+        use xcb::Cookie;
+        crate::debug!("seq {}: {:?}", $cookie.sequence(), $req)
+    };
+}
diff --git a/src/main.rs b/src/main.rs
index 83cabd4..3de3df9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -41,6 +41,7 @@ mod error;
 #[doc(hidden)]
 mod focus;
 pub mod keys;
+pub mod log;
 
 fn main() -> Result<()> {
     cleanup_process_children();
@@ -79,10 +80,7 @@ impl<'a> WM<'a> {
         loop {
             match self.conn.wait_for_event() {
                 Ok(x) => {
-                    #[cfg(debug_assertions)]
-                    {
-                        eprintln!("received event: {x:?}");
-                    };
+                    debug!("received event: {x:?}");
 
                     match x {
                         // See keys.rs