UI: Preferences Redesign Part 2

(Part 1 was 00963afc14978b)

Does the following changes visible to users:
* Use panels and sub-panels for more structured & logical grouping
* Re-organized options more logically than before (see images in D4148)
* Use flow layout (single column by default).
* New layout uses horizontal margin if there's enough space.
* Change size of Preferences window to suit new layout.
* Move keymap related options from "Input" into own section.
* Own, left-bottom aligned region for Save Preferences button.
* Adjustments of names, tooltips & icons.
* Move buttons from header into the main region (except editor switch).
* Hide Preferences header when opened in temporary window.
* Use full area width for header.
* Don't use slider but regular number widget for UI scale.
* Gray out animation player path option if player isn't "Custom"

Internal changes:
* Rearrange RNA properties to match changed UI structure.
* Introduces new "EXECUTE" region type, see reasoning in D3982.
* Changes to panel layout and AZone code for dynamic panel region.
* Bumps subversion and does versioning for new regions.

RNA changes are documented in the release notes:
https://wiki.blender.org/wiki/Reference/Release_Notes/2.80/Python_API/Preferences_API

Design & implementation mostly done by @billreynish and myself.
I recommend checking out the screenshots posted by William:
https://developer.blender.org/D4148#93787

Reviewed By: brecht

Maniphest Tasks: T54115

Differential Revision: https://developer.blender.org/D4148

2 files changed, 19 insertions, 10 deletions

diff --git a/release/scripts/modules/bpy/utils/__init__.py b/release/scripts/modules/bpy/utils/__init__.py
index 5fbff2eb51b..b4c8c0899ac 100644
--- a/release/scripts/modules/bpy/utils/__init__.py
+++ b/release/scripts/modules/bpy/utils/__init__.py
@@ -572,7 +572,7 @@ def preset_find(name, preset_path, display_name=False, ext=".py"):
 def keyconfig_init():
     # Key configuration initialization and refresh, called from the Blender
     # window manager on startup and refresh.
-    active_config = _preferences.inputs.active_keyconfig
+    active_config = _preferences.keymap.active_keyconfig
 
     # Load the default key configuration.
     default_filepath = preset_find("blender", "keyconfig")
diff --git a/release/scripts/modules/rna_keymap_ui.py b/release/scripts/modules/rna_keymap_ui.py
index 3a44745e01b..268bcb6a7be 100644
--- a/release/scripts/modules/rna_keymap_ui.py
+++ b/release/scripts/modules/rna_keymap_ui.py
@@ -372,15 +372,24 @@ def draw_keymaps(context, layout):
     subcol = subsplit.column()
 
     col = subcol.column()
-    row = col.row(align=True)
 
     # row.prop_search(wm.keyconfigs, "active", wm, "keyconfigs", text="Key Config")
     text = bpy.path.display_name(kc_active.name)
     if not text:
         text = "Blender (default)"
-    row.menu("USERPREF_MT_keyconfigs", text=text)
-    row.operator("wm.keyconfig_preset_add", text="", icon='ADD')
-    row.operator("wm.keyconfig_preset_add", text="", icon='REMOVE').remove_active = True
+
+    row = col.row()
+
+    row.operator("wm.keyconfig_import", text="Import...", icon='IMPORT')
+    row.operator("wm.keyconfig_export", text="Export...", icon='EXPORT')
+
+    row.separator()
+
+    rowsub = row.row(align=True)
+
+    rowsub.menu("USERPREF_MT_keyconfigs", text=text)
+    rowsub.operator("wm.keyconfig_preset_add", text="", icon='ADD')
+    rowsub.operator("wm.keyconfig_preset_add", text="", icon='REMOVE').remove_active = True
 
     # layout.context_pointer_set("keyconfig", wm.keyconfigs.active)
     # row.operator("wm.keyconfig_remove", text="", icon='X')
@@ -413,14 +422,14 @@ def draw_keymaps(context, layout):
             box = col.box()
             row = box.row(align=True)
 
-            prefs = context.preferences
-            inputs = prefs.inputs
-            show_ui_keyconfig = inputs.show_ui_keyconfig
+            pref = context.preferences
+            keymappref = pref.keymap
+            show_ui_keyconfig = keymappref.show_ui_keyconfig
             row.prop(
-                inputs,
+                keymappref,
                 "show_ui_keyconfig",
                 text="",
-                icon='TRIA_DOWN' if show_ui_keyconfig else 'TRIA_RIGHT',
+                icon='DISCLOSURE_TRI_DOWN' if show_ui_keyconfig else 'DISCLOSURE_TRI_RIGHT',
                 emboss=False,
             )
             row.label(text="Preferences")