Fix Show Brush button being missing from the UI for paint modes, the feature was

already implemented, it's in the Appearance panel now. Also added that panel to
the image editor now since it's relevant there too.

release/scripts/startup/bl_ui/space_image.py

@@ -882,6 +882,35 @@ class IMAGE_PT_paint_curve(BrushButtonsPanel, Panel):
         row.operator("brush.curve_preset", icon='NOCURVE', text="").shape = 'MAX'
 
 
+class IMAGE_PT_tools_brush_appearance(BrushButtonsPanel, Panel):
+    bl_label = "Appearance"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+
+        toolsettings = context.tool_settings.image_paint
+        brush = toolsettings.brush
+
+        if brush is None:  # unlikely but can happen
+            layout.label(text="Brush Unset")
+            return
+
+        col = layout.column()
+        col.prop(toolsettings, "show_brush");
+
+        col = col.column()
+        col.prop(brush, "cursor_color_add", text="")
+        col.active = toolsettings.show_brush
+
+        layout.separator()
+
+        col = layout.column(align=True)
+        col.prop(brush, "use_custom_icon")
+        if brush.use_custom_icon:
+            col.prop(brush, "icon_filepath", text="")
+
+
 class IMAGE_UV_sculpt_curve(Panel):
     bl_space_type = 'IMAGE_EDITOR'
     bl_region_type = 'UI'

release/scripts/startup/bl_ui/space_view3d_toolbar.py

@@ -1025,7 +1025,6 @@ class VIEW3D_PT_sculpt_options(Panel, View3DPaintPanel):
 
         layout.prop(sculpt, "use_threaded", text="Threaded Sculpt")
         layout.prop(sculpt, "show_low_resolution")
-        layout.prop(sculpt, "show_brush")
         layout.prop(sculpt, "use_deform_only")
         layout.prop(sculpt, "show_diffuse_color")
 
@@ -1081,15 +1080,21 @@ class VIEW3D_PT_tools_brush_appearance(Panel, View3DPaintPanel):
             return
 
         col = layout.column()
+        col.prop(settings, "show_brush");
+
+        col = col.column()
+        col.active = settings.show_brush
 
         if context.sculpt_object and context.tool_settings.sculpt:
             if brush.sculpt_capabilities.has_secondary_color:
-                col.prop(brush, "cursor_color_add", text="Add Color")
-                col.prop(brush, "cursor_color_subtract", text="Subtract Color")
+                col.row().prop(brush, "cursor_color_add", text="Add")
+                col.row().prop(brush, "cursor_color_subtract", text="Subtract")
             else:
-                col.prop(brush, "cursor_color_add", text="Color")
+                col.prop(brush, "cursor_color_add", text="")
         else:
-            col.prop(brush, "cursor_color_add", text="Color")
+            col.prop(brush, "cursor_color_add", text="")
+
+        layout.separator()
 
         col = layout.column(align=True)
         col.prop(brush, "use_custom_icon")