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blender-archive/release/scripts/modules/bpy_extras/keyconfig_utils_experimental.py

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8.3 KiB
Python

# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
__all__ = (
"keyconfig_export_as_data",
"keyconfig_import_from_data",
)
def indent(levels):
return levels * " "
def round_float_32(f):
from struct import pack, unpack
return unpack("f", pack("f", f))[0]
def repr_f32(f):
f_round = round_float_32(f)
f_str = repr(f)
f_str_frac = f_str.partition(".")[2]
if not f_str_frac:
return f_str
for i in range(1, len(f_str_frac)):
f_test = round(f, i)
f_test_round = round_float_32(f_test)
if f_test_round == f_round:
return "%.*f" % (i, f_test)
return f_str
def kmi_args_as_data(kmi):
s = [
f"\"type\": '{kmi.type}'",
f"\"value\": '{kmi.value}'"
]
if kmi.any:
s.append("\"any\": True")
else:
if kmi.shift:
s.append("\"shift\": True")
if kmi.ctrl:
s.append("\"ctrl\": True")
if kmi.alt:
s.append("\"alt\": True")
if kmi.oskey:
s.append("\"oskey\": True")
if kmi.key_modifier and kmi.key_modifier != 'NONE':
s.append(f"\"key_modifier\": '{kmi.key_modifier}'")
return "{" + ", ".join(s) + "}"
def _kmi_properties_to_lines_recursive(level, properties, lines):
from bpy.types import OperatorProperties
def string_value(value):
if isinstance(value, (str, bool, int)):
return repr(value)
elif isinstance(value, float):
return repr_f32(value)
elif getattr(value, '__len__', False):
return repr(tuple(value))
raise Exception(f"Export key configuration: can't write {value!r}")
for pname in properties.bl_rna.properties.keys():
if pname != "rna_type":
value = getattr(properties, pname)
if isinstance(value, OperatorProperties):
lines_test = []
_kmi_properties_to_lines_recursive(level + 2, value, lines_test)
if lines_test:
lines.append(f"{indent(level)}(\n")
lines.append(f"{indent(level + 1)}\"{pname}\",\n")
lines.append(f"{indent(level + 1)}" "[\n")
lines.extend(lines_test)
lines.append(f"{indent(level + 1)}" "],\n")
lines.append(f"{indent(level)}" "),\n")
del lines_test
elif properties.is_property_set(pname):
value = string_value(value)
lines.append((f"{indent(level)}(\"{pname}\", {value:s}),\n"))
def _kmi_properties_to_lines(level, kmi_props, lines):
if kmi_props is None:
return
lines_test = [f"{indent(level)}\"properties\": " "[\n"]
_kmi_properties_to_lines_recursive(level + 1, kmi_props, lines_test)
if len(lines_test) > 1:
lines_test.append(f"{indent(level)}" "],\n")
lines.extend(lines_test)
def _kmi_attrs_or_none(level, kmi):
lines = []
_kmi_properties_to_lines(level + 1, kmi.properties, lines)
if kmi.active is False:
lines.append(f"{indent(level)}\"active\":" "False,\n")
if not lines:
return None
return "".join(lines)
def keyconfig_export_as_data(wm, kc, filepath):
# Alternate foramt
# Generate a list of keymaps to export:
#
# First add all user_modified keymaps (found in keyconfigs.user.keymaps list),
# then add all remaining keymaps from the currently active custom keyconfig.
#
# This will create a final list of keymaps that can be used as a "diff" against
# the default blender keyconfig, recreating the current setup from a fresh blender
# without needing to export keymaps which haven't been edited.
from .keyconfig_utils import keyconfig_merge
class FakeKeyConfig:
keymaps = []
edited_kc = FakeKeyConfig()
for km in wm.keyconfigs.user.keymaps:
if km.is_user_modified:
edited_kc.keymaps.append(km)
# merge edited keymaps with non-default keyconfig, if it exists
if kc != wm.keyconfigs.default:
export_keymaps = keyconfig_merge(edited_kc, kc)
else:
export_keymaps = keyconfig_merge(edited_kc, edited_kc)
with open(filepath, "w") as fh:
fw = fh.write
fw("keyconfig_data = [\n")
for km, kc_x in export_keymaps:
km = km.active()
fw(f"{indent(1)}" "(\n")
fw(f"{indent(2)}" f"\"{km.name:s}\",\n")
fw(f"{indent(2)}" "{")
fw(f"\"space_type\": '{km.space_type:s}'")
fw(f", \"region_type\": '{km.region_type:s}'")
# We can detect from the kind of items.
if km.is_modal:
fw(", \"modal\": True")
fw("},\n")
fw(f"{indent(2)}" "{\n")
is_modal = km.is_modal
fw(f"{indent(3)}" "\"items\": [\n")
for kmi in km.keymap_items:
if is_modal:
kmi_id = kmi.propvalue
else:
kmi_id = kmi.idname
fw(f"{indent(4)}" "(")
kmi_args = kmi_args_as_data(kmi)
kmi_data = _kmi_attrs_or_none(5, kmi)
if kmi_data is not None:
fw("\n" f"{indent(5)}")
fw(f"\"{kmi_id:s}\"")
if kmi_data is None:
fw(f", ")
else:
fw(",\n" f"{indent(5)}")
fw(kmi_args)
if kmi_data is None:
fw(", None),\n")
else:
fw(",\n")
fw(f"{indent(5)}" "{\n")
fw(kmi_data)
fw(f"{indent(5)}" "}\n")
fw(f"{indent(4)}" "),\n")
fw(f"{indent(3)}" "],\n")
fw(f"{indent(2)}" "},\n")
fw(f"{indent(1)}" "),\n")
fw("]\n")
fw("\n\n")
fw("if __name__ == \"__main__\":\n")
fw(" import os\n")
fw(" from bpy_extras.keyconfig_utils import keyconfig_import_from_data\n")
fw(" keyconfig_import_from_data(os.path.splitext(os.path.basename(__file__))[0], keyconfig_data)\n")
def keyconfig_import_from_data(name, keyconfig_data):
# Load data in the format defined above.
#
# Runs at load time, keep this fast!
def kmi_props_setattr(kmi_props, attr, value):
if type(value) is list:
kmi_subprop = getattr(kmi_props, attr)
for subattr, subvalue in value:
kmi_props_setattr(kmi_subprop, subattr, subvalue)
return
try:
setattr(kmi_props, attr, value)
except AttributeError:
print(f"Warning: property '{attr}' not found in keymap item '{kmi_props.__class__.__name__}'")
except Exception as ex:
print(f"Warning: {ex!r}")
import bpy
wm = bpy.context.window_manager
kc = wm.keyconfigs.new(name)
del name
for (km_name, km_args, km_content) in keyconfig_data:
km = kc.keymaps.new(km_name, **km_args)
is_modal = km_args.get("modal", False)
new_fn = getattr(km.keymap_items, "new_modal" if is_modal else "new")
for (kmi_idname, kmi_args, kmi_data) in km_content["items"]:
kmi = new_fn(kmi_idname, **kmi_args)
if kmi_data is not None:
if not kmi_data.get("active", True):
kmi.active = False
kmi_props_data = kmi_data.get("properties", None)
if kmi_props_data is not None:
kmi_props = kmi.properties
for attr, value in kmi_props_data:
kmi_props_setattr(kmi_props, attr, value)