PR: Add option to disable zoom with Ctrl + mouse wheel (Preferences) (#24973)

Co-authored-by: Carlos Cordoba <[email protected]>

Author: jsbautista

spyder/config/main.py

@@ -86,6 +86,7 @@
               'show_dpi_message': True,
               'show_message_when_panes_are_empty': True,
               'max_recent_files': 20,
+              'disable_zoom_mouse': False,
               }),
             ('update_manager',
              {

spyder/plugins/application/confpage.py

@@ -78,6 +78,10 @@ def setup_page(self):
             'check_stable_only',
             section='update_manager'
         )
+        disable_zoom_mouse_cb = newcb(
+            _("Disable zoom with mouse wheel"),
+            'disable_zoom_mouse'
+        )
 
         # Decide if it's possible to activate or not single instance mode
         # ??? Should we allow multiple instances for macOS?
@@ -101,6 +105,7 @@ def setup_page(self):
         advanced_layout.addWidget(popup_console_box)
         advanced_layout.addWidget(check_update_cb)
         advanced_layout.addWidget(stable_only_cb)
+        advanced_layout.addWidget(disable_zoom_mouse_cb)
 
         advanced_widget = QWidget()
         advanced_widget.setLayout(advanced_layout)

spyder/plugins/editor/widgets/base.py

@@ -1173,7 +1173,10 @@ def focusOutEvent(self, event):
     def wheelEvent(self, event):
         """Reimplemented to emit zoom in/out signals when Ctrl is pressed"""
         # This feature is disabled on MacOS, see spyder-ide/spyder#1510.
-        if sys.platform != 'darwin':
+        if (
+            sys.platform != 'darwin'
+            and not self.get_conf('disable_zoom_mouse', section='main')
+        ):
             if event.modifiers() & Qt.ControlModifier:
                 if hasattr(event, 'angleDelta'):
                     if event.angleDelta().y() < 0:

spyder/plugins/ipythonconsole/widgets/shell.py

@@ -18,7 +18,7 @@
 import typing
 
 # Third party imports
-from qtpy.QtCore import Qt, Signal
+from qtpy.QtCore import Qt, Signal, QEvent
 from qtpy.QtGui import QClipboard, QTextCursor, QTextFormat
 from qtpy.QtWidgets import QApplication, QMessageBox
 from spyder_kernels.comms.frontendcomm import CommError
@@ -1556,6 +1556,16 @@ def focusOutEvent(self, event):
         """Reimplement Qt method to send focus change notification"""
         self.sig_focus_changed.emit()
         return super().focusOutEvent(event)
+    
+    def eventFilter(self, obj, event):
+        etype = event.type()
+        if (
+            etype == QEvent.Wheel
+            and self._control_key_down(event.modifiers())
+            and self.get_conf('disable_zoom_mouse', section='main')
+        ):
+            return False
+        return super().eventFilter(obj, event)
 
     # ---- Python methods
     def __repr__(self):

spyder/plugins/plots/widgets/figurebrowser.py

@@ -499,7 +499,10 @@ def eventFilter(self, widget, event):
         # ---- Zooming
         if event.type() == QEvent.Wheel and not self.auto_fit_plotting:
             modifiers = QApplication.keyboardModifiers()
-            if modifiers == Qt.ControlModifier:
+            if (
+                modifiers == Qt.ControlModifier
+                and not self.get_conf('disable_zoom_mouse', section='main')
+            ):
                 if event.angleDelta().y() > 0:
                     self.zoom_in()
                 else:

spyder/widgets/browser.py

@@ -414,6 +414,14 @@ def eventFilter(self, widget, event):
                 self.sig_focus_in_event.emit()
             elif event.type() == QEvent.FocusOut:
                 self.sig_focus_out_event.emit()
+
+        if (
+            event.type() == QEvent.Wheel
+            and event.modifiers() & Qt.ControlModifier
+            and self.get_conf("disable_zoom_mouse", section="main")
+        ):
+            return True
+
         return super().eventFilter(widget, event)