Files
create/src/Gui/FreeCADGuiInit.py
2025-11-11 13:49:01 +01:00

460 lines
17 KiB
Python

# ***************************************************************************
# * Copyright (c) 2002,2003 Jürgen Riegel <juergen.riegel@web.de> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * FreeCAD 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 Lesser General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with FreeCAD; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************/
from dataclasses import dataclass
# FreeCAD gui init module
#
# Gathering all the information to start FreeCAD
# This is the second one of three init scripts, the third one
# runs when the gui is up
# imports the one and only
import FreeCAD, FreeCADGui
from enum import IntEnum, Enum
# shortcuts
Gui = FreeCADGui
# this is to keep old code working
Gui.listCommands = Gui.Command.listAll
Gui.isCommandActive = lambda cmd: Gui.Command.get(cmd).isActive()
# The values must match with that of the C++ enum class ResolveMode
class ResolveMode(IntEnum):
NoResolve = 0
OldStyleElement = 1
NewStyleElement = 2
FollowLink = 3
Gui.Selection.ResolveMode = ResolveMode
# The values must match with that of the C++ enum class SelectionStyle
class SelectionStyle(IntEnum):
NormalSelection = 0
GreedySelection = 1
# The values must match with that of the Python enum class in ViewProvider.pyi
class ToggleVisibilityMode(Enum):
CanToggleVisibility = "CanToggleVisibility"
NoToggleVisibility = "NoToggleVisibility"
Gui.Selection.SelectionStyle = SelectionStyle
# Important definitions
class Workbench:
"""The workbench base class."""
MenuText = ""
ToolTip = ""
Icon = None
def Initialize(self):
"""Initializes this workbench."""
App.Console.PrintWarning(
str(self) + ": Workbench.Initialize() not implemented in subclass!"
)
def ContextMenu(self, recipient):
pass
def appendToolbar(self, name, cmds):
self.__Workbench__.appendToolbar(name, cmds)
def removeToolbar(self, name):
self.__Workbench__.removeToolbar(name)
def listToolbars(self):
return self.__Workbench__.listToolbars()
def getToolbarItems(self):
return self.__Workbench__.getToolbarItems()
def appendCommandbar(self, name, cmds):
self.__Workbench__.appendCommandbar(name, cmds)
def removeCommandbar(self, name):
self.__Workbench__.removeCommandbar(name)
def listCommandbars(self):
return self.__Workbench__.listCommandbars()
def appendMenu(self, name, cmds):
self.__Workbench__.appendMenu(name, cmds)
def removeMenu(self, name):
self.__Workbench__.removeMenu(name)
def listMenus(self):
return self.__Workbench__.listMenus()
def appendContextMenu(self, name, cmds):
self.__Workbench__.appendContextMenu(name, cmds)
def removeContextMenu(self, name):
self.__Workbench__.removeContextMenu(name)
def reloadActive(self):
self.__Workbench__.reloadActive()
def name(self):
return self.__Workbench__.name()
def GetClassName(self):
"""Return the name of the associated C++ class."""
# as default use this to simplify writing workbenches in Python
return "Gui::PythonWorkbench"
class StandardWorkbench(Workbench):
"""A workbench defines the tool bars, command bars, menus,
context menu and dockable windows of the main window.
"""
def Initialize(self):
"""Initialize this workbench."""
# load the module
Log("Init: Loading FreeCAD GUI\n")
def GetClassName(self):
"""Return the name of the associated C++ class."""
return "Gui::StdWorkbench"
class NoneWorkbench(Workbench):
"""An empty workbench."""
MenuText = "<none>"
ToolTip = "The default empty workbench"
def Initialize(self):
"""Initialize this workbench."""
# load the module
Log("Init: Loading FreeCAD GUI\n")
def GetClassName(self):
"""Return the name of the associated C++ class."""
return "Gui::NoneWorkbench"
@dataclass
class InputHint:
"""
Represents a single input hint (shortcut suggestion).
The message is a Qt formatting string with placeholders like %1, %2, ...
The placeholders are replaced with input representations - be it keys, mouse buttons etc.
Each placeholder corresponds to one input sequence. Sequence can either be:
- one input from Gui.UserInput enum
- tuple of mentioned enum values representing the input sequence
>>> InputHint("%1 change mode", Gui.UserInput.KeyM)
will result in a hint displaying `[M] change mode`
>>> InputHint("%1 new line", (Gui.UserInput.KeyControl, Gui.UserInput.KeyEnter))
will result in a hint displaying `[ctrl][enter] new line`
>>> InputHint("%1/%2 increase/decrease ...", Gui.UserInput.KeyU, Gui.UserInput.KeyJ)
will result in a hint displaying `[U]/[J] increase / decrease ...`
"""
InputSequence = Gui.UserInput | tuple[Gui.UserInput, ...]
message: str
sequences: list[InputSequence]
def __init__(self, message: str, *sequences: InputSequence):
self.message = message
self.sequences = list(sequences)
class HintManager:
"""
A convenience class for managing input hints (shortcut suggestions) displayed to the user.
It is here mostly to provide well-defined and easy to reach API from python without developers needing
to call low-level functions on the main window directly.
"""
def show(self, *hints: InputHint):
"""
Displays the specified input hints to the user.
:param hints: List of hints to show.
"""
Gui.getMainWindow().showHint(*hints)
def hide(self):
"""
Hides all currently displayed input hints.
"""
Gui.getMainWindow().hideHint()
Gui.InputHint = InputHint
Gui.HintManager = HintManager()
def InitApplications():
import sys, os, traceback
import io as cStringIO
# Searching modules dirs +++++++++++++++++++++++++++++++++++++++++++++++++++
# (additional module paths are already cached)
ModDirs = FreeCAD.__ModDirs__
# print ModDirs
Log("Init: Searching modules\n")
def RunInitGuiPy(Dir) -> bool:
InstallFile = os.path.join(Dir, "InitGui.py")
if os.path.exists(InstallFile):
try:
with open(InstallFile, "rt", encoding="utf-8") as f:
exec(compile(f.read(), InstallFile, "exec"))
except Exception as inst:
Log("Init: Initializing " + Dir + "... failed\n")
Log("-" * 100 + "\n")
Log(traceback.format_exc())
Log("-" * 100 + "\n")
Err(
'During initialization the error "'
+ str(inst)
+ '" occurred in '
+ InstallFile
+ "\n"
)
Err("Look into the log file for further information\n")
mod_name = os.path.normpath(Dir).split(os.path.sep)[-1].lower()
if hasattr(FreeCAD, "__failed_mods__"):
FreeCAD.__failed_mods__.append(mod_name)
else:
FreeCAD.__failed_mods__ = [mod_name]
if mod_name not in FreeCAD.__fallback_mods__:
Err("Could not evaluate module '" + mod_name + "' for fallbacks\n")
elif len(FreeCAD.__fallback_mods__[mod_name]) > 1:
new_path = os.path.normpath(FreeCAD.__fallback_mods__[mod_name][-2])
Err(f"A fallback module was found for module '{mod_name}': {new_path}\n")
Err(f"Rename or remove {os.path.normpath(Dir)} to use the fallback module\n")
else:
Log("Init: Initializing " + Dir + "... done\n")
return True
else:
Log("Init: Initializing " + Dir + "(InitGui.py not found)... ignore\n")
return False
def processMetadataFile(Dir, MetadataFile):
meta = FreeCAD.Metadata(MetadataFile)
if not meta.supportsCurrentFreeCAD():
return None
content = meta.Content
if "workbench" in content:
FreeCAD.Gui.addIconPath(Dir)
workbenches = content["workbench"]
for workbench_metadata in workbenches:
if not workbench_metadata.supportsCurrentFreeCAD():
return None
subdirectory = (
workbench_metadata.Name
if not workbench_metadata.Subdirectory
else workbench_metadata.Subdirectory
)
subdirectory = subdirectory.replace("/", os.path.sep)
subdirectory = os.path.join(Dir, subdirectory)
ran_init = RunInitGuiPy(subdirectory)
if ran_init:
# Try to generate a new icon from the metadata-specified information
classname = workbench_metadata.Classname
if classname:
try:
wb_handle = FreeCAD.Gui.getWorkbench(classname)
except Exception:
Log(
f"Failed to get handle to {classname} -- no icon\
can be generated,\n check classname in package.xml\n"
)
else:
GeneratePackageIcon(dir, subdirectory, workbench_metadata, wb_handle)
def tryProcessMetadataFile(Dir, MetadataFile):
try:
processMetadataFile(Dir, MetadataFile)
except Exception as exc:
Err(str(exc))
def checkIfAddonIsDisabled(Dir):
DisabledAddons = FreeCAD.ConfigGet("DisabledAddons").split(";")
Name = os.path.basename(Dir)
if Name in DisabledAddons:
Msg(
f'NOTICE: Addon "{Name}" disabled by presence of "--disable-addon {Name}" argument\n'
)
return True
stopFileName = "ALL_ADDONS_DISABLED"
stopFile = os.path.join(Dir, os.path.pardir, stopFileName)
if os.path.exists(stopFile):
Msg(f'NOTICE: Addon "{Dir}" disabled by presence of {stopFileName} stopfile\n')
return True
stopFileName = "ADDON_DISABLED"
stopFile = os.path.join(Dir, stopFileName)
if os.path.exists(stopFile):
Msg(f'NOTICE: Addon "{Dir}" disabled by presence of {stopFileName} stopfile\n')
return True
return False
for Dir in ModDirs:
if Dir not in ["", "CVS", "__init__.py"]:
if checkIfAddonIsDisabled(Dir):
continue
MetadataFile = os.path.join(Dir, "package.xml")
if os.path.exists(MetadataFile):
tryProcessMetadataFile(Dir, MetadataFile)
else:
RunInitGuiPy(Dir)
Log("All modules with GUIs using InitGui.py are now initialized\n")
try:
import pkgutil
import importlib
import freecad
freecad.gui = FreeCADGui
for _, freecad_module_name, freecad_module_ispkg in pkgutil.iter_modules(
freecad.__path__, "freecad."
):
# Check for a stopfile
stopFile = os.path.join(
FreeCAD.getUserAppDataDir(), "Mod", freecad_module_name[8:], "ADDON_DISABLED"
)
if os.path.exists(stopFile):
continue
# Make sure that package.xml (if present) does not exclude this version of FreeCAD
MetadataFile = os.path.join(
FreeCAD.getUserAppDataDir(), "Mod", freecad_module_name[8:], "package.xml"
)
if os.path.exists(MetadataFile):
meta = FreeCAD.Metadata(MetadataFile)
if not meta.supportsCurrentFreeCAD():
continue
if freecad_module_ispkg:
Log("Init: Initializing " + freecad_module_name + "\n")
try:
freecad_module = importlib.import_module(freecad_module_name)
if any(
module_name == "init_gui"
for _, module_name, ispkg in pkgutil.iter_modules(freecad_module.__path__)
):
importlib.import_module(freecad_module_name + ".init_gui")
Log("Init: Initializing " + freecad_module_name + "... done\n")
else:
Log(
"Init: No init_gui module found in "
+ freecad_module_name
+ ", skipping\n"
)
except Exception as inst:
Err(
'During initialization the error "'
+ str(inst)
+ '" occurred in '
+ freecad_module_name
+ "\n"
)
Err("-" * 80 + "\n")
Err(traceback.format_exc())
Err("-" * 80 + "\n")
Log("Init: Initializing " + freecad_module_name + "... failed\n")
Log("-" * 80 + "\n")
Log(traceback.format_exc())
Log("-" * 80 + "\n")
except ImportError as inst:
Err('During initialization the error "' + str(inst) + '" occurred\n')
Log("All modules with GUIs initialized using pkgutil are now initialized\n")
def GeneratePackageIcon(
dir: str, subdirectory: str, workbench_metadata: FreeCAD.Metadata, wb_handle: Workbench
) -> None:
relative_filename = workbench_metadata.Icon
if not relative_filename:
# Although a required element, this content item does not have an icon. Just bail out
return
absolute_filename = os.path.join(subdirectory, relative_filename)
if hasattr(wb_handle, "Icon") and wb_handle.Icon:
Log(
f"Init: Packaged workbench {workbench_metadata.Name} specified icon\
in class {workbench_metadata.Classname}"
)
Log(f" ... replacing with icon from package.xml data.\n")
wb_handle.__dict__["Icon"] = absolute_filename
Log("Init: Running FreeCADGuiInit.py start script...\n")
# init the gui
# signal that the gui is up
App.GuiUp = 1
App.Gui = FreeCADGui
FreeCADGui.Workbench = Workbench
Gui.addWorkbench(NoneWorkbench())
# init modules
InitApplications()
# set standard workbench (needed as fallback)
Gui.activateWorkbench("NoneWorkbench")
# Register .py, .FCScript and .FCMacro
FreeCAD.addImportType("Inventor V2.1 (*.iv *.IV)", "FreeCADGui")
FreeCAD.addImportType(
"VRML V2.0 (*.wrl *.WRL *.vrml *.VRML *.wrz *.WRZ *.wrl.gz *.WRL.GZ)", "FreeCADGui"
)
FreeCAD.addImportType("Python (*.py *.FCMacro *.FCScript *.fcmacro *.fcscript)", "FreeCADGui")
FreeCAD.addExportType("Inventor V2.1 (*.iv)", "FreeCADGui")
FreeCAD.addExportType("VRML V2.0 (*.wrl *.vrml *.wrz *.wrl.gz)", "FreeCADGui")
FreeCAD.addExportType("X3D Extensible 3D (*.x3d *.x3dz)", "FreeCADGui")
FreeCAD.addExportType("WebGL/X3D (*.xhtml)", "FreeCADGui")
# FreeCAD.addExportType("IDTF (for 3D PDF) (*.idtf)","FreeCADGui")
# FreeCAD.addExportType("3D View (*.svg)","FreeCADGui")
FreeCAD.addExportType("Portable Document Format (*.pdf)", "FreeCADGui")
del InitApplications
del NoneWorkbench
del StandardWorkbench
Log("Init: Running FreeCADGuiInit.py start script... done\n")