added window_margin option to set a margin between windows

Author: simon0302010

CONFIGURATION.md

@@ -31,6 +31,7 @@ Window settings.
 - **`text_color`** (string): Text color of the window title bars in hex format (e.g., `"#ffffff"`).
 - **`background_color`** (string): Background color of the window title bars in hex format (e.g., `"#272727"`).
 - **`reverse_resize`** (boolean): Reverse the direction of window resizing (default: `false`).
+- **`window_margin`** (integer): Margin around windows in pixels (default: `0`).
   ```toml
   [window]
   scale_steps = 20

gridwm.toml

@@ -9,6 +9,7 @@ scale_steps = 20
 window_bars = true
 window_bar_height = 20
 reverse_resize = true
+window_margin = 14
 
 [keyboard]
 layout = "de"

src/gridwm/config.rs

@@ -27,6 +27,7 @@ pub struct Window {
     pub text_color: String,
     pub background_color: String,
     pub reverse_resize: bool,
+    pub window_margin: i32,
 }
 
 impl Default for Window {
@@ -38,6 +39,7 @@ impl Default for Window {
             text_color: "#ffffff".into(),
             background_color: "#272727".into(),
             reverse_resize: false,
+            window_margin: 0,
         }
     }
 }

src/gridwm/mod.rs

@@ -1127,10 +1127,13 @@ impl GridWM {
                 };
 
                 WindowInfo {
-                    x: (i % cols) * w,
-                    y: ((i / cols) * h) + bar_height + window_bar_height,
-                    w,
-                    h: h - window_bar_height,
+                    x: (i % cols) * w + (self.config.window.window_margin / 2),
+                    y: ((i / cols) * h)
+                        + bar_height
+                        + window_bar_height
+                        + (self.config.window.window_margin / 2),
+                    w: w - self.config.window.window_margin,
+                    h: h - window_bar_height - self.config.window.window_margin,
                 }
             })
             .collect()