Enlarge channel textbox in plot_traces (#4400)

Author: ecobost

src/spikeinterface/widgets/traces.py

@@ -394,14 +394,15 @@ def plot_ipywidgets(self, data_plot, **backend_kwargs):
 
         width_cm = backend_kwargs["width_cm"]
         height_cm = backend_kwargs["height_cm"]
-        ratios = [0.1, 0.8, 0.2]
+        ratios = [0.07, 0.79, 0.14]
 
         with plt.ioff():
             output = widgets.Output()
             with output:
                 self.figure, self.ax = plt.subplots(
                     figsize=(0.9 * ratios[1] * width_cm * cm, height_cm * cm), layout="constrained"
                 )
+                self.figure.canvas.header_visible = False
                 plt.show()
 
         if not self.rec0.has_time_vector(segment_index=data_plot["segment_index"]):
@@ -465,7 +466,7 @@ def plot_ipywidgets(self, data_plot, **backend_kwargs):
             left_sidebar_elements = [W.Label(value="layer"), self.layer_selector]
 
         left_sidebar_elements += [
-            W.Label(value="mode"),
+            W.Label(value="Mode"),
             self.mode_selector,
             self.scaler,
             self.colorbar,

src/spikeinterface/widgets/utils_ipywidgets.py

@@ -87,13 +87,13 @@ def __init__(self, durations, sampling_frequency, time_range, times=None, t_star
             step=1,
             min=0.01,
             max=30.0,
-            description="win (s)",
+            description="Window (s)",
             layout=W.Layout(width="auto"),
             # layout=W.Layout(width=f'10%')
         )
         self.window_sizer.observe(self.win_size_changed, names="value", type="change")
 
-        self.segment_selector = W.Dropdown(description="segment", options=list(range(self.num_segments)))
+        self.segment_selector = W.Dropdown(description="Segment", options=list(range(self.num_segments)))
         self.segment_selector.observe(self.segment_changed, names="value", type="change")
 
         super(W.HBox, self).__init__(
@@ -241,7 +241,7 @@ def __init__(self, channel_ids, **kwargs):
             value=self.channel_ids[::-1],
             disabled=False,
             # layout=W.Layout(width=f"{width_cm}cm", height=f"{height_cm}cm"),
-            layout=W.Layout(height="100%", width="2cm"),
+            layout=W.Layout(height="100%", width="2.8cm"),
         )
         hbox = W.HBox(children=[self.slider, self.selector])