Hamburger Menu

lib/matplotlib/backend_bases.py

@@ -2903,6 +2903,7 @@ class NavigationToolbar2:
         ('Home', 'Reset original view', 'home', 'home'),
         ('Back', 'Back to previous view', 'back', 'back'),
         ('Forward', 'Forward to next view', 'forward', 'forward'),
+        ('Views', 'Snap into planar views', 'matplotlib', 'snap_view'),
         (None, None, None, None),
         ('Pan',
          'Left button pans, Right button zooms\n'
@@ -2935,6 +2936,16 @@ def __init__(self, canvas):
         self.mode = _Mode.NONE  # a mode string for the status bar
         self.set_history_buttons()
 
+        def draw_lambda(elev, azim):
+            ax = self.canvas.figure.gca()
+            ax.view_init(elev=elev, azim=azim)
+            self.canvas.draw_idle()
+        self.options = [
+            ("Go to X-Y view", functools.partial(draw_lambda, elev=90, azim=-90)),
+            ("Go to Y-Z view", functools.partial(draw_lambda, elev=0, azim=0)),
+            ("Go to X-Z view", functools.partial(draw_lambda, elev=0, azim=-90))
+        ]
+
     def set_message(self, s):
         """Display a message on toolbar or in status bar."""
 
@@ -3366,6 +3377,9 @@ def save_figure(self, *args):
         """
         raise NotImplementedError
 
+    def snap_view(self, *args):
+        raise NotImplementedError
+
     def update(self):
         """Reset the Axes stack."""
         self._nav_stack.clear()

lib/matplotlib/backends/backend_qt.py

@@ -968,6 +968,14 @@ def save_figure(self, *args):
                     QtWidgets.QMessageBox.StandardButton.NoButton)
         return fname
 
+    def snap_view(self, *args):
+        action = self._actions.get('snap_view')
+        btn = self.widgetForAction(action)
+        menu = QtWidgets.QMenu()
+        for label, action in self.options:
+            menu.addAction(label, action)
+        menu.exec(btn.mapToGlobal(QtCore.QPoint(0, btn.height())))
+
     def set_history_buttons(self):
         can_backward = self._nav_stack._pos > 0
         can_forward = self._nav_stack._pos < len(self._nav_stack) - 1