From 539851f5a4c90e64866ade7a55dd583e7476a63b Mon Sep 17 00:00:00 2001
From: Igor Tatarnikov <61896994+IgorTatarnikov@users.noreply.github.com>
Date: Fri, 3 Jan 2025 14:36:02 +0000
Subject: [PATCH] Add scroll bar (#68)

---
 .../registration_widget.py                    | 28 +++++++++++--------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/brainglobe_registration/registration_widget.py b/brainglobe_registration/registration_widget.py
index 131e71d..1d14756 100644
--- a/brainglobe_registration/registration_widget.py
+++ b/brainglobe_registration/registration_widget.py
@@ -26,7 +26,7 @@
 from napari.utils.notifications import show_error
 from napari.viewer import Viewer
 from pytransform3d.rotations import active_matrix_from_angle
-from qtpy.QtWidgets import QCheckBox, QPushButton, QTabWidget
+from qtpy.QtWidgets import QCheckBox, QPushButton, QScrollArea, QTabWidget
 from skimage.segmentation import find_boundaries
 from skimage.transform import rescale
 
@@ -51,10 +51,11 @@
 )
 
 
-class RegistrationWidget(CollapsibleWidgetContainer):
+class RegistrationWidget(QScrollArea):
     def __init__(self, napari_viewer: Viewer):
         super().__init__()
-        self.setContentsMargins(10, 10, 10, 10)
+        self.widget = CollapsibleWidgetContainer()
+        self.widget.setContentsMargins(10, 10, 10, 10)
 
         self._viewer = napari_viewer
         self._atlas: Optional[BrainGlobeAtlas] = None
@@ -149,7 +150,7 @@ def __init__(self, napari_viewer: Viewer):
         self.run_button.clicked.connect(self._on_run_button_click)
         self.run_button.setEnabled(False)
 
-        self.add_widget(
+        self.widget.add_widget(
             header_widget(
                 "brainglobe-<br>registration",  # line break at <br>
                 "Registration with Elastix",
@@ -157,11 +158,13 @@ def __init__(self, napari_viewer: Viewer):
             ),
             collapsible=False,
         )
-        self.add_widget(self.get_atlas_widget, widget_title="Select Images")
-        self.add_widget(
+        self.widget.add_widget(
+            self.get_atlas_widget, widget_title="Select Images"
+        )
+        self.widget.add_widget(
             self.adjust_moving_image_widget, widget_title="Prepare Images"
         )
-        self.add_widget(
+        self.widget.add_widget(
             self.transform_select_view, widget_title="Select Transformations"
         )
 
@@ -177,18 +180,21 @@ def __init__(self, napari_viewer: Viewer):
             self.parameters_tab.addTab(new_tab, transform_type)
             self.parameter_setting_tabs_lists.append(new_tab)
 
-        self.add_widget(
+        self.widget.add_widget(
             self.parameters_tab, widget_title="Advanced Settings (optional)"
         )
 
-        self.add_widget(self.filter_checkbox, collapsible=False)
+        self.widget.add_widget(self.filter_checkbox, collapsible=False)
 
-        self.add_widget(self.run_button, collapsible=False)
+        self.widget.add_widget(self.run_button, collapsible=False)
 
-        self.layout().itemAt(1).widget().collapse(animate=False)
+        self.widget.layout().itemAt(1).widget().collapse(animate=False)
 
         check_atlas_installed(self)
 
+        self.setWidgetResizable(True)
+        self.setWidget(self.widget)
+
     def _connect_events(self):
         @self._viewer.layers.events.removed.connect
         def _on_layer_deleted(event: Event):