clean up vulkan module

README.md

@@ -35,20 +35,11 @@ wallbash set /path/to/file.img  #  Set wallpaper (auto start daemon)
 wallbash stop                   #  Stop the daemon
 wallbash status                 #  Show daemon status
 
-        ┌─────────────────────────────────────────┐
-        │ ┌─────────────────────────────────────┐ │
-        │ │  (1)            (2)            (3)  │ │
-        │ │                                     │ │
-        │ │  (4)            (5)            (6)  │ │
-        │ │                                     │ │
-        │ │  (7)            (8)            (9)  │ │
-        │ └─────────────────────────────────────┘ │
-        └─────────────────────────────────────────┘
-
+# options for "set"
 wallbash set [option] <value>
     -m, --mode <mode>           # Scaling mode (cover, fit, original)
     -a, --anchor <1-9>          # Anchor point (1=top-left ... 9=bottom-right)
-    -w, --wall <path>           # Wallpaper file /path/to/file.img
+    -w, --wall <file>           # Wallpaper file /path/to/file.img
 ```
 
 The Rust binary compiles to a single executable, `wallbash`. It acts as both a client and a daemon:

src/main.rs

@@ -23,26 +23,17 @@ const LOG_FILE: &str = "/tmp/wallbash.log";
 // --------------------------------------------------------------------- / funtions
 
 fn print_usage() {
-    eprintln!(r"[Usage]
+    eprintln!(r"::Usage
     wallbash start                  |  Start the wallpaper daemon
     wallbash set /path/to/file.img  |  Set wallpaper (auto start daemon)
     wallbash stop                   |  Stop the daemon
     wallbash status                 |  Show daemon status
 
-            ┌─────────────────────────────────────────┐
-            │ ┌─────────────────────────────────────┐ │
-            │ │  (1)            (2)            (3)  │ │
-            │ │                                     │ │
-            │ │  (4)            (5)            (6)  │ │
-            │ │                                     │ │
-            │ │  (7)            (8)            (9)  │ │
-            │ └─────────────────────────────────────┘ │
-            └─────────────────────────────────────────┘
-
+::Options
     wallbash set [option] <value>
         -m, --mode <mode>           | Scaling mode (cover, fit, original)
         -a, --anchor <1-9>          | Anchor point (1=top-left ... 9=bottom-right)
-        -w, --wall <path>           | Wallpaper file /path/to/file.img");
+        -w, --wall <file>           | Wallpaper file /path/to/file.img");
 }
 
 fn send_command(cmd: &str) -> Result<(), Box<dyn std::error::Error>> {