Enhance URL bar behavior by adjusting primary selection suppression and refining CSS styles for compact mode

src/browser/base/content/zen-styles/zen-compact-mode.css

@@ -241,14 +241,16 @@
           right 0.3s var(--zen-compact-mode-func);
         opacity: 1;
 
-        left: -1px;
-        :root[zen-right-side='true'] & {
-          right: -1px;
-          left: auto;
-        }
+        &:not([supress-primary-adjustment='true']) {
+          left: -1px;
+          :root[zen-right-side='true'] & {
+            right: -1px;
+            left: auto;
+          }
 
-        & #urlbar[open][zen-floating-urlbar='true'] {
-          --zen-urlbar-offset: 0px;
+          & #urlbar[open][zen-floating-urlbar='true'] {
+            --zen-urlbar-offset: 0px;
+          }
         }
       }
     }

src/browser/components/urlbar/UrlbarInput-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/urlbar/UrlbarInput.sys.mjs b/browser/components/urlbar/UrlbarInput.sys.mjs
-index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a726c67e873 100644
+index 50968dc04b527438acf30151f0c2e92f8b45097c..f3539ff3a74474f2833800ae140b0384b21a7fb0 100644
 --- a/browser/components/urlbar/UrlbarInput.sys.mjs
 +++ b/browser/components/urlbar/UrlbarInput.sys.mjs
 @@ -67,6 +67,13 @@ XPCOMUtils.defineLazyPreferenceGetter(
@@ -16,7 +16,19 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
  const DEFAULT_FORM_HISTORY_NAME = "searchbar-history";
  const SEARCH_BUTTON_CLASS = "urlbar-search-button";
  
-@@ -424,6 +431,10 @@ export class UrlbarInput {
+@@ -348,7 +355,11 @@ export class UrlbarInput {
+     // See _on_select().  HTMLInputElement.select() dispatches a "select"
+     // event but does not set the primary selection.
+     this._suppressPrimaryAdjustment = true;
++    this.document.getElementById("navigator-toolbox").setAttribute("supress-primary-adjustment", true);
+     this.inputField.select();
++    this.document.ownerGlobal.setTimeout(() => {
++      this.document.getElementById("navigator-toolbox").removeAttribute("supress-primary-adjustment");
++    }, 0);
+     this._suppressPrimaryAdjustment = false;
+   }
+ 
+@@ -424,6 +435,10 @@ export class UrlbarInput {
      hideSearchTerms = false,
      isSameDocument = false
    ) {
@@ -27,7 +39,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
      // We only need to update the searchModeUI on tab switch conditionally
      // as we only persist searchMode with ScotchBonnet enabled.
      if (
-@@ -1087,7 +1098,11 @@ export class UrlbarInput {
+@@ -1087,7 +1102,11 @@ export class UrlbarInput {
      }
  
      if (!result.payload.providesSearchMode) {
@@ -40,7 +52,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
      }
  
      this.controller.recordSelectedResult(event, result);
-@@ -2144,6 +2159,11 @@ export class UrlbarInput {
+@@ -2144,6 +2163,11 @@ export class UrlbarInput {
  
      this.setAttribute("breakout-extend", "true");
  
@@ -52,7 +64,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
      // Enable the animation only after the first extend call to ensure it
      // doesn't run when opening a new window.
      if (!this.hasAttribute("breakout-extend-animate")) {
-@@ -2163,6 +2183,11 @@ export class UrlbarInput {
+@@ -2163,6 +2187,11 @@ export class UrlbarInput {
        return;
      }
  
@@ -64,7 +76,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
      this.removeAttribute("breakout-extend");
      this.#updateTextboxPosition();
    }
-@@ -3305,7 +3330,7 @@ export class UrlbarInput {
+@@ -3305,7 +3334,7 @@ export class UrlbarInput {
      } else {
        where = lazy.BrowserUtils.whereToOpenLink(event, false, false);
      }
@@ -73,7 +85,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
        if (where == "current") {
          where = "tab";
        } else if (where == "tab") {
-@@ -3859,6 +3884,11 @@ export class UrlbarInput {
+@@ -3859,6 +3888,11 @@ export class UrlbarInput {
    }
  
    _on_click(event) {
@@ -85,7 +97,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
      if (
        event.target == this.inputField ||
        event.target == this._inputContainer ||
-@@ -3930,7 +3960,7 @@ export class UrlbarInput {
+@@ -3930,7 +3964,7 @@ export class UrlbarInput {
        }
      }
  
@@ -94,7 +106,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
        this.view.autoOpen({ event });
      } else {
        if (this._untrimOnFocusAfterKeydown) {
-@@ -3970,9 +4000,12 @@ export class UrlbarInput {
+@@ -3970,9 +4004,12 @@ export class UrlbarInput {
    }
  
    _on_mousedown(event) {
@@ -108,7 +120,7 @@ index 50968dc04b527438acf30151f0c2e92f8b45097c..f8e8e9c06613c5d5f33333fd9e128a72
  
          if (
            event.target != this.inputField &&
-@@ -3982,8 +4015,8 @@ export class UrlbarInput {
+@@ -3982,8 +4019,8 @@ export class UrlbarInput {
            break;
          }