Move exec and add binding to the main.

The bindings don't need to be handled on the window manager

This would be useful for the client/server feature.

1 files changed, 17 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 1374446..02df6fd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -23,7 +23,9 @@ use x11::keysym;
 
 /// Defines a callback to call no certains events.
 pub type ExecFn = fn(&mut DotWM, XEvent, &[String]) -> bool;
-type BindingHash = HashMap<(u32, u32), (ExecFn, Vec<String>)>;
+
+/// Map for keys => functions
+pub type BindingHash = HashMap<(u32, u32), (ExecFn, Vec<String>)>;
 
 fn exec_func(wm: &mut DotWM, bindings: &mut BindingHash, key: u32, modifiers: u32, ev: xlib::XEvent) {
     if let Some(&(func, ref args)) = bindings.get(&(key, modifiers)) {
@@ -72,6 +74,20 @@ fn quit_dotwm(_: &mut DotWM, _: xlib::XEvent, _: &[String]) -> bool {
     process::exit(0);
 }
 
+/// Add a binding to the WM.
+///
+/// # Example
+///
+/// ```
+/// fn quit_dotwm(_: &mut DotWM, _: xlib::XEvent, _: &[String]) -> bool {
+///     process::exit(0);
+/// }
+///
+/// // ...
+///
+/// add_binding(keysym::XK_Return, xlib::Mod4Mask, exec,
+///             &["xterm"]);
+/// ```
 fn add_binding(wm: &mut DotWM, bindings: &mut BindingHash,
                key: u32, modifiers: u32, func: ExecFn, args: &[&str]) {
         grab_key(wm.display, key, modifiers, true, GrabModeAsync, GrabModeAsync);