feat: add dont_switch_primary

rust/src/modules/display_windows.rs

@@ -1,4 +1,3 @@
-
 use crate::model::profile::{Display, DisplayMode};
 use anyhow::Result;
 use displayz::{query_displays, DisplaySet};
@@ -7,14 +6,14 @@ use tauri::{AppHandle, Listener};
 #[derive(Clone)]
 pub struct DisplayInfo {
     pub primary: String,
-    pub set: Option<DisplaySet>
+    pub set: Option<DisplaySet>,
 }
 
 impl Default for DisplayInfo {
     fn default() -> Self {
         DisplayInfo {
             primary: "default".to_owned(),
-            set: query_displays().ok()
+            set: query_displays().ok(),
         }
     }
 }
@@ -52,14 +51,16 @@ impl Display {
             .find(|display| display.name() == self.target)
             .ok_or_else(|| anyhow!("Display {} not found", self.target))?;
 
-        target.set_primary()?;
+        if !self.dont_switch_primary {
+            target.set_primary()?;
+        }
         let settings = target.settings()
             .as_ref()
             .ok_or_else(|| anyhow!("Unable to query display settings"))?;
 
         let res = DisplayInfo {
             primary: primary.name().to_owned(),
-            set: Some(display_set.clone())
+            set: Some(display_set.clone()),
         };
 
         if self.rotation == 90 || self.rotation == 270 {