Reduce default plot margins on plotly graphs

Author: cpsievert

.gitignore

@@ -108,7 +108,6 @@ ENV/
 
 js/node_modules
 typings/
-sandbox/
 Untitled*.ipynb
 
 rsconnect-python/

.vscode/settings.json

@@ -10,7 +10,7 @@
         "editor.formatOnSave": true,
         "editor.tabSize": 4,
         "editor.codeActionsOnSave": {
-            "source.organizeImports": true
+          "source.organizeImports": "explicit"
         },
     },
     "isort.args":["--profile", "black"],

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [UNRELEASED]
 
+* Reduce default plot margins on plotly graphs.
 
 ## [0.2.4] - 2023-11-20
 

shinywidgets/_shinywidgets.py

@@ -327,6 +327,12 @@ def set_layout_defaults(widget: Widget) -> Tuple[Widget, bool]:
         if isinstance(layout, PlotlyLayout):
             if layout.height is not None:
                 fill = False
+            # Default margins are also way too big
+            layout.template.layout.margin = dict(l=16, t=32, r=16, b=16)
+            # Unfortunately, plotly doesn't want to respect the top margin template,
+            # so change that 60px default to 32px
+            if layout.margin["t"] == 60:
+                layout.margin["t"] = 32
 
     widget.layout = layout
 
@@ -348,7 +354,6 @@ def set_layout_defaults(widget: Widget) -> Tuple[Widget, bool]:
             else:
                 widget.chart = widget.chart.properties(width="container", height="container")  # type: ignore
 
-
     return (widget, fill)
 
 # similar to base::system.file()