Add setting for controlling stacking of new tabs

qutebrowser/config/configdata.yml

@@ -1348,12 +1348,27 @@ tabs.mousewheel_switching:
 tabs.new_position.related:
   default: next
   type: NewTabPosition
-  desc: Position of new tabs opened from another tab.
+  desc: >-
+    Position of new tabs opened from another tab.
+
+    See `tabs.new_position.stacking` for controlling stacking behavior.
 
 tabs.new_position.unrelated:
   default: last
   type: NewTabPosition
-  desc: "Position of new tabs which aren't opened from another tab."
+  desc: >-
+    Position of new tabs which are not opened from another tab.
+
+    See `tabs.new_position.stacking` for controlling stacking behavior.
+
+tabs.new_position.stacking:
+  default: true
+  type: Bool
+  desc: >-
+    Stack relative tabs on top of each other when opened consecutively.
+
+    Only applies `next` and `prev` values of `tabs.new_position.related` and
+    `tabs.new_position.unrelated`.
 
 tabs.padding:
   default:

qutebrowser/mainwindow/tabbedbrowser.py

@@ -533,7 +533,10 @@ class TabbedBrowser(QWidget):
             # *before* the currently focused tab, indices will shift by
             # 1 automatically.
         elif pos == 'next':
-            idx = self._tab_insert_idx_right
+            if config.val.tabs.new_position.stacking:
+                idx = self._tab_insert_idx_right
+            else:
+                idx = self.widget.currentIndex() + 1
             self._tab_insert_idx_right += 1
         elif pos == 'first':
             idx = 0

tests/end2end/features/tabs.feature

@@ -894,6 +894,39 @@ Feature: Tab management
             - about:blank
             - data/hello.txt (active)
 
+    # stacking tabs
+    Scenario: stacking tabs opening tab with tabs.new_position.related next
+        When I set tabs.new_position.related to next
+        And I set tabs.new_position.stacking to true
+        And I set tabs.background to true
+        And I open about:blank
+        And I open data/navigate/index.html in a new tab
+        And I hint with args "all tab-bg" and follow a
+        And I hint with args "all tab-bg" and follow s
+        And I wait until data/navigate/prev.html is loaded
+        And I wait until data/navigate/next.html is loaded
+        Then the following tabs should be open:
+            - about:blank
+            - data/navigate/index.html (active)
+            - data/navigate/prev.html
+            - data/navigate/next.html
+
+    Scenario: no stacking tabs opening tab with tabs.new_position.related next
+        When I set tabs.new_position.related to next
+        And I set tabs.new_position.stacking to false
+        And I set tabs.background to true
+        And I open about:blank
+        And I open data/navigate/index.html in a new tab
+        And I hint with args "all tab-bg" and follow a
+        And I hint with args "all tab-bg" and follow s
+        And I wait until data/navigate/prev.html is loaded
+        And I wait until data/navigate/next.html is loaded
+        Then the following tabs should be open:
+            - about:blank
+            - data/navigate/index.html (active)
+            - data/navigate/next.html
+            - data/navigate/prev.html
+
     # :buffer
 
     Scenario: :buffer without args or count