Add grid color (optional) to GUI

corrscope/gui/__init__.py

@@ -494,6 +494,9 @@ class ShortcutButton(qw.QPushButton):
         self.setToolTip(keys.toString(QKeySequence.NativeText))
 
 
+# Begin ConfigModel properties
+
+
 def nrow_ncol_property(altered: str, unaltered: str) -> property:
     def get(self: "ConfigModel"):
         val = getattr(self.cfg.layout, altered)
@@ -541,6 +544,24 @@ def color2hex_property(path: str) -> property:
     return property(getter, setter)
 
 
+def color2hex_maybe_property(path: str) -> property:
+    # TODO turn into class, and use __set_name__ to determine assignment LHS=path.
+    def getter(self: "ConfigModel"):
+        color_attr = rgetattr(self.cfg, path)
+        if not color_attr:
+            return ""
+        return color2hex(color_attr)
+
+    def setter(self: "ConfigModel", val: str):
+        if val:
+            color = color2hex(val)
+        else:
+            color = None
+        rsetattr(self.cfg, path, color)
+
+    return property(getter, setter)
+
+
 def path_strip_quotes(path: str) -> str:
     if len(path) and path[0] == path[-1] == '"':
         return path[1:-1]
@@ -569,6 +590,7 @@ class ConfigModel(PresentationModel):
 
     render__bg_color = color2hex_property("render__bg_color")
     render__init_line_color = color2hex_property("render__init_line_color")
+    render__grid_color = color2hex_maybe_property("render__grid_color")
 
     @property
     def render_video_size(self) -> str:
@@ -603,6 +625,9 @@ class ConfigModel(PresentationModel):
     render__line_width = default_property("render__line_width", 1.5)
 
 
+# End ConfigModel
+
+
 class ChannelTableView(qw.QTableView):
     def append_channels(self, wavs: List[str]):
         model: ChannelModel = self.model()

corrscope/gui/mainwindow.ui

@@ -167,6 +167,16 @@
              </property>
             </widget>
            </item>
+           <item row="3" column="0">
+            <widget class="QLabel" name="render__grid_colorL">
+             <property name="text">
+              <string>Grid Color</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1">
+            <widget class="BoundLineEdit" name="render__grid_color"/>
+           </item>
           </layout>
          </widget>
         </item>