init

src/helpers/display.rs

@@ -0,0 +1,32 @@
+use display_info::DisplayInfo;
+
+pub fn get_display_info() -> String {
+    let displays = DisplayInfo::all().unwrap_or_else(|_| vec![]);
+
+    if let Some(main) = displays.iter().find(|d| d.is_primary) {
+        let p_width = (main.width as f32 * main.scale_factor) as u32;
+        let p_height = (main.height as f32 * main.scale_factor) as u32;
+
+        let diag_mm = ((main.width_mm as f32).powi(2) + (main.height_mm as f32).powi(2)).sqrt();
+        let inches = (diag_mm / 25.4).round() as u32;
+
+        let name = if main.name.is_empty() {
+            "Color LCD"
+        } else {
+            &main.name
+        };
+
+        let tag = if main.is_primary {
+            "[Built-in]"
+        } else {
+            "[External]"
+        };
+
+        format!(
+            "Display ({}): {}x{} @ {}x in {}\", {} Hz {}",
+            name, p_width, p_height, main.scale_factor as u32, inches, main.frequency as u32, tag
+        )
+    } else {
+        "unknown".to_string()
+    }
+}