Configure window position

README.md

@@ -16,6 +16,8 @@ Sample configuration:
 # ~~Global values, used as fallback if needed
 width = 400
 height = 512
+# if unset, places window at the center
+# window_offsets = [500, -50] # in format [top_offset, left_offset]
 # font = "DejaVu Sans"
 bg_color = 0x272822ee # ~~colors are specified in 0xRRGGBBAA format
 # font_color = 0xf8f8f2ff

src/config.rs

@@ -11,6 +11,7 @@ mod params;
 pub struct Config {
     width: Option<u32>,
     height: Option<u32>,
+    window_offsets: Option<(i32, i32)>,
     term: Option<String>,
     font: Option<String>,
     bg_color: Option<u32>,

src/config/params.rs

@@ -79,6 +79,7 @@ impl<'a> From<&'a Config> for SurfaceParams {
         SurfaceParams {
             width: config.width.unwrap_or(400),
             height: config.height.unwrap_or(512),
+            window_offsets: config.window_offsets,
         }
     }
 }

src/surface.rs

@@ -24,6 +24,7 @@ pub enum EventStatus {
 pub struct Params {
     pub width: u32,
     pub height: u32,
+    pub window_offsets: Option<(i32, i32)>,
 }
 
 pub struct Surface {
@@ -53,6 +54,12 @@ impl Surface {
         let width = params.width;
         let height = params.height;
 
+        if let Some((top_offset, left_offset)) = params.window_offsets {
+            let mut anchor = zwlr_layer_surface_v1::Anchor::Left;
+            anchor.insert(zwlr_layer_surface_v1::Anchor::Top);
+            layer_surface.set_anchor(anchor);
+            layer_surface.set_margin(top_offset, 0, 0, left_offset);
+        }
         layer_surface.set_size(width, height);
         layer_surface.set_keyboard_interactivity(1);