Add curation keyboard shortcuts (#366)

* Move qtpy functionality to brainglobe-utils

* Prompt user before overwriting data

* Update use of brainglobe-utils functions

* Add keyboard shortcuts

---------

Co-authored-by: willGraham01 <[email protected]>

cellfinder/napari/curation.py

@@ -70,6 +70,7 @@ def __init__(
         self.output_directory: Optional[Path] = None
 
         self.setup_main_layout()
+        self.setup_keybindings()
 
         @self.viewer.layers.events.connect
         def update_layer_list(v: napari.viewer.Viewer):
@@ -182,13 +183,15 @@ def add_loading_panel(self, row: int, column: int = 0):
             self.load_data_layout,
             self.mark_as_cell,
             row=5,
+            tooltip="Mark all selected points as non cell. Shortcut: 'c'",
         )
         self.mark_as_non_cell_button = add_button(
             "Mark as non cell(s)",
             self.load_data_layout,
             self.mark_as_non_cell,
             row=5,
             column=1,
+            tooltip="Mark all selected points as non cell. Shortcut: 'x'",
         )
         self.add_training_data_button = add_button(
             "Add training data layers",
@@ -208,6 +211,10 @@ def add_loading_panel(self, row: int, column: int = 0):
         self.load_data_panel.setVisible(True)
         self.layout.addWidget(self.load_data_panel, row, column, 1, 1)
 
+    def setup_keybindings(self):
+        self.viewer.bind_key("c", self.mark_as_cell)
+        self.viewer.bind_key("x", self.mark_as_non_cell)
+
     def set_signal_image(self):
         """
         Set signal layer from current signal text box selection.
@@ -304,10 +311,10 @@ def _add_training_data_layers(self, cell_name: str, non_cell_name: str):
         )
         self.training_data_non_cell_choice.setCurrentText(non_cell_name)
 
-    def mark_as_cell(self):
+    def mark_as_cell(self, viewer=None):
         self.mark_point_as_type("cell")
 
-    def mark_as_non_cell(self):
+    def mark_as_non_cell(self, viewer=None):
         self.mark_point_as_type("non-cell")
 
     def mark_point_as_type(self, point_type: str):