def __on_var_history_window__(self, *args):
if self.var_history_window.get():
self._history_window = HistoryWindow(self.pht, self)
self._history_window.bind("<Destroy>",
self.__on_history_window_destroy__, "+")
else:
try:
self._history_window.destroy()
except AttributeError:
pass
else:
del self._history_window
class QDCGUIWindow(GUITk, QDCGUISignalHelper):
def __init__(self, project=None):
GUITk.__init__(self, wait_msec=1)
for signame in ["qvc_dirtied", "qvd_failed", "qvc_available"]:
s = CoSignal()
s.attach(self.signal_dispatcher)
setattr(self, "sig_" + signame, s)
self.title_suffix = _("Qemu device creator GUI")
self.title_suffix.trace_variable("w", self.__on_title_suffix_write__)
self.title_not_saved_asterisk = StringVar()
self.title_not_saved_asterisk.trace_variable(
"w", self.__on_title_suffix_write__)
self.saved_operation = None
self.var_title = StringVar()
self.title(self.var_title)
# Hot keys, accelerators
self.hk = hotkeys = HotKey(self)
hotkeys.add_bindings([
HotKeyBinding(
self.invert_history_window,
key_code=43,
description=_("If editing history window is hidden then \
show it else hide it."),
symbol="H"),
HotKeyBinding(self.on_load,
key_code=32,
description=_("Load project from file."),
symbol="O"),
HotKeyBinding(self.on_new_project,
key_code=57,
description=_("Create new project."),
symbol="N"),
HotKeyBinding(self.on_add_description,
key_code=40,
description=_("Add description to the project"),
symbol="D"),
HotKeyBinding(self.on_set_qemu_build_path,
key_code=56,
description=_("Set Qemu build path for the project"),
symbol="B"),
HotKeyBinding(
self.on_sel_tgt_qemu_version,
key_code=28,
description=_("Select target Qemu version for the project"),
symbol="T"),
HotKeyBinding(self.on_generate,
key_code=42,
description=_("Launch code generation"),
symbol="G"),
HotKeyBinding(self.on_delete,
key_code=24,
description=_("Shutdown the application."),
symbol="Q"),
HotKeyBinding(self.undo,
key_code=52,
description=_("Revert previous editing."),
symbol="Z"),
HotKeyBinding(self.redo,
key_code=29,
description=_("Make reverted editing again."),
symbol="Y"),
HotKeyBinding(self.on_save,
key_code=39,
description=_("Save project."),
symbol="S"),
HotKeyBinding(self.on_reload,
key_code=27,
description=_("Reload current project from file."),
symbol="R")
])
# see `set_user_settings`
self._user_settings = None
# Menu bar
menubar = VarMenu(self)
self.filemenu = filemenu = VarMenu(menubar, tearoff=False)
filemenu.add_command(label=_("Add description"),
command=self.on_add_description,
accelerator=hotkeys.get_keycode_string(
self.on_add_description))
filemenu.add_command(label=_("Set Qemu build path"),
command=self.on_set_qemu_build_path,
accelerator=hotkeys.get_keycode_string(
self.on_set_qemu_build_path))
filemenu.add_command(label=_("Select target Qemu version"),
command=self.on_sel_tgt_qemu_version,
accelerator=hotkeys.get_keycode_string(
self.on_sel_tgt_qemu_version))
filemenu.add_command(label=_("Generate"),
command=self.on_generate,
accelerator=hotkeys.get_keycode_string(
self.on_generate))
filemenu.add_separator()
filemenu.add_command(label=_("New project"),
command=self.on_new_project,
accelerator=hotkeys.get_keycode_string(
self.on_new_project)),
filemenu.add_command(label=_("Save"),
command=self.on_save,
accelerator=hotkeys.get_keycode_string(
self.on_save)),
filemenu.add_command(label=_("Save project as..."),
command=self.on_save_as)
filemenu.add_command(label=_("Load"),
command=self.on_load,
accelerator=hotkeys.get_keycode_string(
self.on_load)),
self.reload_idx = filemenu.count
filemenu.add_command(label=_("Reload"),
command=self.on_reload,
accelerator=hotkeys.get_keycode_string(
self.on_reload)),
self.recentmenu = recentmenu = VarMenu(filemenu, tearoff=False)
filemenu.add_cascade(
label=_("Recent projects"),
menu=recentmenu,
state=DISABLED # a user settings instance is required
)
filemenu.add_separator()
filemenu.add_command(label=_("Quit"),
command=self.quit,
accelerator=hotkeys.get_keycode_string(
self.on_delete))
menubar.add_cascade(label=_("File"), menu=filemenu)
self.editmenu = editmenu = VarMenu(menubar, tearoff=False)
editmenu.add_command(label=_("Undo"),
command=self.undo,
accelerator=hotkeys.get_keycode_string(self.undo))
self.undo_idx = editmenu.count - 1
editmenu.add_command(label=_("Redo"),
command=self.redo,
accelerator=hotkeys.get_keycode_string(self.redo))
self.redo_idx = editmenu.count - 1
editmenu.add_separator()
editmenu.add_command(label=_("Rebuild Cache"),
command=self.rebuild_cache,
accelerator=hotkeys.get_keycode_string(
self.rebuild_cache))
editmenu.add_separator()
v = self.var_history_window = BooleanVar()
v.set(False)
self.__on_var_history_window = v.trace_variable(
"w", self.__on_var_history_window__)
editmenu.add_checkbutton(label=_("Editing history window"),
variable=v,
accelerator=hotkeys.get_keycode_string(
self.invert_history_window))
menubar.add_cascade(label=_("Edit"), menu=editmenu)
self.optionsmenu = optionsmenu = VarMenu(menubar, tearoff=False)
v = self.var_schedule_generation = BooleanVar()
v.set(False)
self.__on_var_schedule_generation = v.trace_variable(
"w", self.__on_var_schedule_generation__)
optionsmenu.add_checkbutton(
label=_("Schedule generation after cache loading"), variable=v)
v = self.var_gen_chunk_graphs = BooleanVar()
v.set(False)
self.__on_var_gen_chunk_graphs = v.trace_variable(
"w", self.__on_var_gen_chunk_graphs__)
optionsmenu.add_checkbutton(label=_("Generate chunk graphs"),
variable=v)
menubar.add_cascade(label=_("Options"), menu=optionsmenu)
self.config(menu=menubar)
# Widget layout
self.grid()
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=1)
# Status bar
self.grid_rowconfigure(1, weight=0)
self.sb = sb = Statusbar(self)
sb.grid(row=1, column=0, sticky="NEWS")
# Target Qemu version in the status bar
self._target_qemu = Variable(None)
# This complicated scheme is required because the status must also
# be updated on language change.
@as_variable(self._target_qemu, _("No target"), _("Target Qemu: %s"))
def var_target_qemu(target, no_target, target_qemu):
if target is None:
return no_target
else:
return target_qemu % target
sb.left(var_target_qemu)
# QEMU build path displaying
self.var_qemu_build_path = StringVar()
sb.left(self.var_qemu_build_path)
# Task counters in status bar
sb.right(_("Background tasks: "))
sb.repack(CoStatusView(sb), RIGHT)
self.signal_dispatcher.watch_failed(self.__on_listener_failed)
self.protocol("WM_DELETE_WINDOW", self.on_delete)
self.set_project(GUIProject() if project is None else project)
self.__update_title__()
self.__check_saved_asterisk__()
self.qsig_watch("qvc_available", self.__on_qvc_available)
def set_user_settings(self, val):
if self._user_settings is val:
return
self._user_settings = val
self._update_recent_projects()
self._update_options()
def _update_recent_projects(self):
settings = self._user_settings
menu = self.recentmenu
# first, clear recent menu
last = menu.index(END)
if last is not None:
menu.delete(0, last)
added = 0
if settings is not None:
for f in reversed(list(settings.recent_projects)):
# a simple check
if not isfile(f):
settings.recent_projects.discard(f)
continue
def do_load(file_name=f):
self._do_load(file_name)
menu.add_command(label=f, command=do_load)
added += 1
self.filemenu.entryconfigure(self.filemenu.index(
_("Recent projects").get()),
state=NORMAL if added else DISABLED)
def _update_options(self):
settings = self._user_settings
if settings is None:
return
self.var_schedule_generation.set(settings.schedule_generation)
self.var_gen_chunk_graphs.set(settings.gen_chunk_graphs)
def __on_listener_failed(self, e, tb):
sys.stderr.write("Listener failed - %s" %
"".join(format_exception(type(e), e, tb)))
def __on_history_window_destroy__(self, *args, **kw):
self.var_history_window.trace_vdelete("w",
self.__on_var_history_window)
self.var_history_window.set(False)
self.__on_var_history_window = self.var_history_window.trace_variable(
"w", self.__on_var_history_window__)
def __on_var_history_window__(self, *args):
if self.var_history_window.get():
self._history_window = HistoryWindow(self.pht, self)
self._history_window.bind("<Destroy>",
self.__on_history_window_destroy__, "+")
else:
try:
self._history_window.destroy()
except AttributeError:
pass
else:
del self._history_window
def invert_history_window(self):
self.var_history_window.set(not self.var_history_window.get())
def __on_var_schedule_generation__(self, *args):
settings = self._user_settings
if settings is not None:
settings.schedule_generation = self.var_schedule_generation.get()
def __on_var_gen_chunk_graphs__(self, *args):
settings = self._user_settings
if settings is not None:
settings.gen_chunk_graphs = self.var_gen_chunk_graphs.get()
def __on_title_suffix_write__(self, *args, **kw):
self.__update_title__()
def __update_title__(self):
try:
title_prefix = str(self.current_file_name)
except AttributeError:
title_prefix = "[New project]"
self.var_title.set(title_prefix + self.title_not_saved_asterisk.get() +
" - " + self.title_suffix.get())
def check_undo_redo(self):
can_do = self.pht.can_do()
self.hk.set_enabled(self.redo, can_do)
if can_do:
self.editmenu.entryconfig(self.redo_idx, state=NORMAL)
else:
self.editmenu.entryconfig(self.redo_idx, state=DISABLED)
can_undo = self.pht.can_undo()
self.hk.set_enabled(self.undo, can_undo)
if can_undo:
self.editmenu.entryconfig(self.undo_idx, state=NORMAL)
else:
self.editmenu.entryconfig(self.undo_idx, state=DISABLED)
def set_current_file_name(self, file_name=None):
if file_name is None:
try:
del self.current_file_name
except AttributeError:
pass # already deleted
else:
self.filemenu.entryconfig(self.reload_idx, state=DISABLED)
else:
# TODO: watch the file in FS and auto ask user to reload
self.current_file_name = file_name
self.filemenu.entryconfig(self.reload_idx, state=NORMAL)
self.__update_title__()
def set_project(self, project):
try:
pht = self.pht
except AttributeError:
# Project was never been set
pass
else:
pht.unwatch_changed(self.on_changed)
try:
self.pw.destroy()
except AttributeError:
# project widget was never been created
pass
# Close history window
if self.var_history_window.get():
self.var_history_window.set(False)
self.proj = project
self.pht = GUIProjectHistoryTracker(self.proj, self.proj.history)
DescNameWatcher(self.pht)
self.pw = ProjectWidget(self.proj, self)
self.pw.grid(column=0, row=0, sticky="NEWS")
self.update_qemu_build_path(project.build_path)
self.update_target_qemu()
self.pht.watch_changed(self.on_changed)
self.check_undo_redo()
def __saved_asterisk__(self, saved=True):
if saved:
if self.title_not_saved_asterisk.get() != "":
self.title_not_saved_asterisk.set("")
else:
if self.title_not_saved_asterisk.get() != "*":
self.title_not_saved_asterisk.set("*")
def __check_saved_asterisk__(self):
if self.saved_operation == self.pht.pos:
self.__saved_asterisk__(True)
else:
self.__saved_asterisk__(False)
def on_changed(self, op, *args, **kw):
self.check_undo_redo()
self.__check_saved_asterisk__()
if isinstance(op, GUIPOp_SetBuildPath):
proj = self.proj
if op.p is proj:
self.update_qemu_build_path(proj.build_path)
# Note that target Qemu version info will be update when QVC
# will be ready.
def undo(self):
self.pht.undo_sequence()
def redo(self):
self.pht.do_sequence()
def rebuild_cache(self):
try:
qvd = qvd_get(self.proj.build_path,
version=self.proj.target_version)
except BadBuildPath as e:
showerror(
title=_("Cache rebuilding is impossible").get(),
message=(_("Selected Qemu build path is bad. Reason: %s") %
(e.message)).get())
return
# if 'reload_build_path_task' is not failed
if hasattr(self.pw, 'reload_build_path_task'):
# reload_build_path_task always run at program start that is why
# it's in process when it's not in finished_tasks and not failed
if self.pw.reload_build_path_task not in self.pw.tm.finished_tasks:
ans = askyesno(self,
title=_("Cache rebuilding"),
message=_("Cache building is already \
in process. Do you want to start cache rebuilding?"))
if not ans:
return
qvd.remove_cache()
self.pw.reload_build_path()
def on_delete(self):
if self.title_not_saved_asterisk.get() == "*":
resp = askyesnocancel(
title=self.title_suffix.get(),
message=_("Current project has unsaved changes."
" Would you like to save it?"
"\n\nNote that a backup is always saved with name"
" project.py in current working directory.").get())
if resp is None:
return
if resp:
self.on_save()
if self.title_not_saved_asterisk.get() == "*":
# user canceled saving during on_save
return
try:
""" TODO: Note that it is possible to prevent window to close if a
generation task is in process. But is it really needed? """
self.task_manager.remove(self._project_generation_task)
except AttributeError:
pass
else:
del self._project_generation_task
self.signal_dispatcher.unwatch_failed(self.__on_listener_failed)
self.quit()
def on_add_description(self):
d = AddDescriptionDialog(self.pht, self)
def on_set_qemu_build_path(self):
dir = askdirectory(self, title=_("Select Qemu build path"))
if not dir:
return
self.pht.set_build_path(dir)
def on_sel_tgt_qemu_version(self):
try:
qvd = qvd_get(self.proj.build_path)
except:
repo = None
else:
repo = qvd.repo
new_target = GitVerSelDialog(self, repo).wait()
if new_target is None:
return
self.pht.set_target(new_target)
def on_generate(self):
try:
t = self._project_generation_task
except AttributeError:
pass
else:
if not t.finished:
showerror(title=_("Generation is cancelled").get(),
message=_("At least one generation task is already \
in process.").get())
return
if not self.proj.build_path:
showerror(
title=_("Generation is impossible").get(),
message=_("No Qemu build path is set for the project.").get())
return
try:
qvd = qvd_get(self.proj.build_path,
version=self.proj.target_version)
except BadBuildPath as e:
showerror(
title=_("Generation is impossible").get(),
message=(_("Selected Qemu build path is bad. Reason: %s") %
(e.message)).get())
return
if not hasattr(self.pw, "reload_build_path_task"):
showerror(title=_("Generation is impossible").get(),
message=_("Qemu version cache loading failed.").get())
return
if not qvd.qvc_is_ready and not self.var_schedule_generation.get():
showerror(title=_("Generation is cancelled").get(),
message=_("Qemu version cache is not ready yet. Try \
later.").get())
return
self._project_generation_task = ProjectGeneration(
self.proj, qvd.src_path, self.sig_qvc_dirtied,
self.pw.reload_build_path_task, self.var_gen_chunk_graphs.get())
self.task_manager.enqueue(self._project_generation_task)
def load_project_from_file(self, file_name):
loaded_variables = dict(qdt.__dict__)
try:
execfile(file_name, loaded_variables)
except Exception as e:
raise e
else:
qproj = None
for v in loaded_variables.values():
if isinstance(v, GUIProject):
break
elif qproj is None and isinstance(v, QProject):
qproj = v
else:
if qproj:
v = GUIProject.from_qproject(qproj)
else:
raise Exception("No project object was loaded")
self.set_project(v)
self.set_current_file_name(file_name)
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
if self._user_settings:
self._user_settings.account_project(file_name)
self._update_recent_projects()
def save_project_to_file(self, file_name):
self.pw.refresh_layouts()
project = self.proj
# Ensure that all machine nodes are in corresponding lists
for d in project.descriptions:
if isinstance(d, MachineNode):
d.link(handle_system_bus=False)
pythonize(project, file_name)
self.set_current_file_name(file_name)
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
def try_save_project_to_file(self, file_name):
try:
open(file_name, "wb").close()
except IOError as e:
if not e.errno == 13: # Do not remove read-only files
try:
remove(file_name)
except:
pass
showerror(title=_("Cannot save project").get(), message=str(e))
return
self.save_project_to_file(file_name)
if self._user_settings:
self._user_settings.account_project(file_name)
self._update_recent_projects()
def on_save_as(self):
fname = asksaveas(self,
[(_("QDC GUI Project defining script"), ".py")],
title=_("Save project"))
if not fname:
return
self.try_save_project_to_file(fname)
def on_save(self):
try:
fname = self.current_file_name
except AttributeError:
self.on_save_as()
else:
self.try_save_project_to_file(fname)
def check_unsaved(self):
if self.title_not_saved_asterisk.get() == "*":
return askyesno(
self,
title=self.title_suffix,
message=
_("Current project has unsaved changes. They will be lost. Continue?"
))
else:
return True
def on_new_project(self):
if not self.check_unsaved():
return
self.set_project(GUIProject())
self.set_current_file_name()
""" There is nothing to save in just created project. So declare that
all changes are saved. """
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
def on_load(self):
if not self.check_unsaved():
return
fname = askopen(self, [(_("QDC GUI Project defining script"), ".py")],
title=_("Load project"))
if fname:
self._do_load(fname)
def _do_load(self, fname):
try:
self.load_project_from_file(fname)
except Exception as e:
showerror(title=_("Project loading failed").get(), message=str(e))
def on_reload(self):
try:
fname = self.current_file_name
except AttributeError:
# No file is selected for the project yet
return
if not self.check_unsaved():
return
self._do_load(fname)
def update_qemu_build_path(self, bp):
if bp is None:
self.var_qemu_build_path.set(
_("No QEMU build path selected").get())
else:
self.var_qemu_build_path.set("QEMU: " + bp)
def update_target_qemu(self):
p, qvd = self.proj, QemuVersionDescription.current
self._target_qemu.set(p and p.target_version or qvd and qvd.commit_sha)
def __on_qvc_available(self):
self.update_target_qemu()
class QDCGUIWindow(GUITk):
def __init__(self, project=None):
GUITk.__init__(self, wait_msec=1)
for signame in ["qvc_dirtied", "qvd_failed", "qvc_available"]:
s = CoSignal()
s.attach(self.signal_dispatcher)
setattr(self, "sig_" + signame, s)
self.title_suffix = _("Qemu device creator GUI")
self.title_suffix.trace_variable("w", self.__on_title_suffix_write__)
self.title_not_saved_asterisk = StringVar()
self.title_not_saved_asterisk.trace_variable(
"w", self.__on_title_suffix_write__)
self.saved_operation = None
self.var_title = StringVar()
self.title(self.var_title)
# Hot keys, accelerators
self.hk = hotkeys = HotKey(self)
hotkeys.add_bindings([
HotKeyBinding(
self.invert_history_window,
key_code=43, # H
description=_("If editing history window is hidden then \
show it else hide it.")),
HotKeyBinding(
self.on_load,
key_code=32, # O
description=_("Load project from file.")),
HotKeyBinding(
self.on_new_project,
key_code=57, # N
description=_("Create new project.")),
HotKeyBinding(
self.on_add_description,
key_code=40, # D
description=_("Add description to the project")),
HotKeyBinding(
self.on_set_qemu_build_path,
key_code=56, # B
description=_("Set Qemu build path for the project")),
HotKeyBinding(
self.on_generate,
key_code=42, # G
description=_("Launch code generation")),
HotKeyBinding(
self.on_delete,
key_code=24, # Q
description=_("Shutdown the application.")),
HotKeyBinding(
self.undo,
key_code=52, # Z
description=_("Revert previous editing.")),
HotKeyBinding(
self.redo,
key_code=29, # Y
description=_("Make reverted editing again.")),
HotKeyBinding(
self.on_save,
key_code=39, # S
description=_("Save project.")),
HotKeyBinding(
self.rebuild_cache,
key_code=27, # R
description=_("Rebuild Cache."))
])
hotkeys.add_key_symbols({
27: "R",
43: "H",
32: "O",
57: "N",
40: "D",
56: "B",
42: "G",
24: "Q",
52: "Z",
29: "Y",
39: "S"
})
# Menu bar
menubar = VarMenu(self)
filemenu = VarMenu(menubar, tearoff=False)
filemenu.add_command(label=_("Add description"),
command=self.on_add_description,
accelerator=hotkeys.get_keycode_string(
self.on_add_description))
filemenu.add_command(label=_("Set Qemu build path"),
command=self.on_set_qemu_build_path,
accelerator=hotkeys.get_keycode_string(
self.on_set_qemu_build_path))
filemenu.add_command(label=_("Generate"),
command=self.on_generate,
accelerator=hotkeys.get_keycode_string(
self.on_generate))
filemenu.add_separator()
filemenu.add_command(label=_("New project"),
command=self.on_new_project,
accelerator=hotkeys.get_keycode_string(
self.on_new_project)),
filemenu.add_command(label=_("Save"),
command=self.on_save,
accelerator=hotkeys.get_keycode_string(
self.on_save)),
filemenu.add_command(label=_("Save project as..."),
command=self.on_save_as)
filemenu.add_command(label=_("Load"),
command=self.on_load,
accelerator=hotkeys.get_keycode_string(
self.on_load)),
filemenu.add_separator()
filemenu.add_command(label=_("Quit"),
command=self.quit,
accelerator=hotkeys.get_keycode_string(
self.on_delete))
menubar.add_cascade(label=_("File"), menu=filemenu)
self.editmenu = editmenu = VarMenu(menubar, tearoff=False)
editmenu.add_command(label=_("Undo"),
command=self.undo,
accelerator=hotkeys.get_keycode_string(self.undo))
self.undo_idx = editmenu.count - 1
editmenu.add_command(label=_("Redo"),
command=self.redo,
accelerator=hotkeys.get_keycode_string(self.redo))
self.redo_idx = editmenu.count - 1
editmenu.add_separator()
editmenu.add_command(label=_("Rebuild Cache"),
command=self.rebuild_cache,
accelerator=hotkeys.get_keycode_string(
self.rebuild_cache))
editmenu.add_separator()
v = self.var_history_window = BooleanVar()
v.set(False)
self.__on_var_history_window = v.trace_variable(
"w", self.__on_var_history_window__)
editmenu.add_checkbutton(label=_("Editing history window"),
variable=v,
accelerator=hotkeys.get_keycode_string(
self.invert_history_window))
menubar.add_cascade(label=_("Edit"), menu=editmenu)
self.config(menu=menubar)
# Widget layout
self.grid()
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=1)
# Status bar
self.grid_rowconfigure(1, weight=0)
self.sb = sb = Statusbar(self)
sb.grid(row=1, column=0, sticky="NEWS")
# QEMU build path displaying
self.var_qemu_build_path = StringVar()
sb.left(self.var_qemu_build_path)
# Task counters in status bar
self.var_tasks = vt = IntVar()
self.var_callers = vc = IntVar()
self.var_active_tasks = vat = IntVar()
self.var_finished_tasks = vft = IntVar()
sb.right(_("Background tasks: "))
sb.right(FormatVar(value="%u") % vt, fg="red")
sb.right(FormatVar(value="%u") % vc, fg="orange")
sb.right(FormatVar(value="%u") % vat)
sb.right(FormatVar(value="%u") % vft, fg="grey")
self.task_manager.watch_activated(self.__on_task_state_changed)
self.task_manager.watch_finished(self.__on_task_state_changed)
self.task_manager.watch_failed(self.__on_task_state_changed)
self.task_manager.watch_removed(self.__on_task_state_changed)
self.protocol("WM_DELETE_WINDOW", self.on_delete)
self.set_project(GUIProject() if project is None else project)
self.__update_title__()
self.__check_saved_asterisk__()
def __on_task_state_changed(self, task):
for group in ["tasks", "callers", "active_tasks", "finished_tasks"]:
var = getattr(self, "var_" + group)
cur_val = len(getattr(self.task_manager, group))
if cur_val != var.get():
var.set(cur_val)
def __on_history_window_destroy__(self, *args, **kw):
self.var_history_window.trace_vdelete("w",
self.__on_var_history_window)
self.var_history_window.set(False)
self.__on_var_history_window = self.var_history_window.trace_variable(
"w", self.__on_var_history_window__)
def __on_var_history_window__(self, *args):
if self.var_history_window.get():
self._history_window = HistoryWindow(self.pht, self)
self._history_window.bind("<Destroy>",
self.__on_history_window_destroy__, "+")
else:
try:
self._history_window.destroy()
except AttributeError:
pass
else:
del self._history_window
def invert_history_window(self):
self.var_history_window.set(not self.var_history_window.get())
def __on_title_suffix_write__(self, *args, **kw):
self.__update_title__()
def __update_title__(self):
try:
title_prefix = str(self.current_file_name)
except AttributeError:
title_prefix = "[New project]"
self.var_title.set(title_prefix + self.title_not_saved_asterisk.get() +
" - " + self.title_suffix.get())
def check_undo_redo(self):
can_do = self.pht.can_do()
self.hk.set_enabled(self.redo, can_do)
if can_do:
self.editmenu.entryconfig(self.redo_idx, state="normal")
else:
self.editmenu.entryconfig(self.redo_idx, state="disabled")
can_undo = self.pht.can_undo()
self.hk.set_enabled(self.undo, can_undo)
if can_undo:
self.editmenu.entryconfig(self.undo_idx, state="normal")
else:
self.editmenu.entryconfig(self.undo_idx, state="disabled")
def set_current_file_name(self, file_name=None):
if file_name is None:
try:
del self.current_file_name
except AttributeError:
pass
else:
self.current_file_name = file_name
self.__update_title__()
def set_project(self, project):
try:
pht = self.pht
except AttributeError:
# Project was never been set
pass
else:
pht.unwatch_changed(self.on_changed)
try:
self.pw.destroy()
except AttributeError:
# project widget was never been created
pass
# Close history window
if self.var_history_window.get():
self.var_history_window.set(False)
self.proj = project
self.pht = GUIProjectHistoryTracker(self.proj, self.proj.history)
self.pw = ProjectWidget(self.proj, self)
self.pw.grid(column=0, row=0, sticky="NEWS")
self.update_qemu_build_path(project.build_path)
self.pht.watch_changed(self.on_changed)
self.check_undo_redo()
def __saved_asterisk__(self, saved=True):
if saved:
if self.title_not_saved_asterisk.get() != "":
self.title_not_saved_asterisk.set("")
else:
if self.title_not_saved_asterisk.get() != "*":
self.title_not_saved_asterisk.set("*")
def __check_saved_asterisk__(self):
if self.saved_operation == self.pht.pos:
self.__saved_asterisk__(True)
else:
self.__saved_asterisk__(False)
def on_changed(self, op, *args, **kw):
self.check_undo_redo()
self.__check_saved_asterisk__()
if isinstance(op, GUIPOp_SetBuildPath):
proj = self.proj
if op.p is proj:
self.update_qemu_build_path(proj.build_path)
def undo(self):
self.pht.undo_sequence()
def redo(self):
self.pht.do_sequence()
def rebuild_cache(self):
try:
qvd = qvd_get(self.proj.build_path)
except BadBuildPath as e:
showerror(
title=_("Cache rebuilding is impossible").get(),
message=(_("Selected Qemu build path is bad. Reason: %s") %
(e.message)).get())
return
# if 'reload_build_path_task' is not failed
if hasattr(self.pw, 'reload_build_path_task'):
# reload_build_path_task always run at program start that is why
# it's in process when it's not in finished_tasks and not failed
if self.pw.reload_build_path_task not in self.pw.tm.finished_tasks:
ans = askyesno(self,
title=_("Cache rebuilding"),
message=_("Cache building is already \
in process. Do you want to start cache rebuilding?"))
if not ans:
return
qvd.remove_cache()
self.pw.reload_build_path()
def on_delete(self):
if self.title_not_saved_asterisk.get() == "*":
resp = askyesnocancel(
title=self.title_suffix.get(),
message=_("Current project has unsaved changes."
" Would you like to save it?"
"\n\nNote that a backup is always saved with name"
" project.py in current working directory.").get())
if resp is None:
return
if resp:
self.on_save()
if self.title_not_saved_asterisk.get() == "*":
# user canceled saving during on_save
return
try:
""" TODO: Note that it is possible to prevent window to close if a
generation task is in process. But is it really needed? """
self.task_manager.remove(self._project_generation_task)
except AttributeError:
pass
else:
del self._project_generation_task
self.task_manager.unwatch_activated(self.__on_task_state_changed)
self.task_manager.unwatch_finished(self.__on_task_state_changed)
self.task_manager.unwatch_failed(self.__on_task_state_changed)
self.task_manager.unwatch_removed(self.__on_task_state_changed)
self.quit()
def on_add_description(self):
d = AddDescriptionDialog(self.pht, self)
def on_set_qemu_build_path(self):
dir = askdirectory(self, title=_("Select Qemu build path"))
if not dir:
return
self.pht.set_build_path(dir)
def on_generate(self):
try:
t = self._project_generation_task
except AttributeError:
pass
else:
if not t.finished:
showerror(title=_("Generation is cancelled").get(),
message=_("At least one generation task is already \
in process.").get())
return
if not self.proj.build_path:
showerror(
title=_("Generation is impossible").get(),
message=_("No Qemu build path is set for the project.").get())
return
try:
qvd = qvd_get(self.proj.build_path)
except BadBuildPath as e:
showerror(
title=_("Generation is impossible").get(),
message=(_("Selected Qemu build path is bad. Reason: %s") %
(e.message)).get())
return
if not qvd.qvc_is_ready:
showerror(title=_("Generation is cancelled").get(),
message=_("Qemu version cache is not ready yet. Try \
later.").get())
return
self._project_generation_task = ProjectGeneration(
self.proj, qvd.src_path, self.sig_qvc_dirtied)
self.task_manager.enqueue(self._project_generation_task)
def load_project_from_file(self, file_name):
loaded_variables = {}
try:
execfile(file_name, qdt.__dict__, loaded_variables)
except Exception as e:
raise e
else:
qproj = None
for v in loaded_variables.values():
if isinstance(v, GUIProject):
break
elif qproj is None and isinstance(v, QProject):
qproj = v
else:
if qproj:
v = GUIProject.from_qproject(qproj)
else:
raise Exception("No project object was loaded")
self.set_project(v)
self.set_current_file_name(file_name)
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
def save_project_to_file(self, file_name):
self.pw.refresh_layouts()
project = self.proj
# Ensure that all machine nodes are in corresponding lists
for d in project.descriptions:
if isinstance(d, MachineNode):
d.link(handle_system_bus=False)
PyGenerator().serialize(open(file_name, "wb"), project)
self.set_current_file_name(file_name)
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
def try_save_project_to_file(self, file_name):
try:
open(file_name, "wb").close()
except IOError as e:
if not e.errno == 13: # Do not remove read-only files
try:
remove(file_name)
except:
pass
showerror(title=_("Cannot save project").get(), message=str(e))
return
self.save_project_to_file(file_name)
def on_save_as(self):
fname = asksaveas(self,
[(_("QDC GUI Project defining script"), ".py")],
title=_("Save project"))
if not fname:
return
self.try_save_project_to_file(fname)
def on_save(self):
try:
fname = self.current_file_name
except AttributeError:
self.on_save_as()
else:
self.try_save_project_to_file(fname)
def check_unsaved(self):
if self.title_not_saved_asterisk.get() == "*":
return askyesno(
self,
title=self.title_suffix,
message=
_("Current project has unsaved changes. They will be lost. Continue?"
))
else:
return True
def on_new_project(self):
if not self.check_unsaved():
return
self.set_project(GUIProject())
self.set_current_file_name()
""" There is nothing to save in just created project. So declare that
all changes are saved. """
self.saved_operation = self.pht.pos
self.__check_saved_asterisk__()
def on_load(self):
if not self.check_unsaved():
return
fname = askopen(self, [(_("QDC GUI Project defining script"), ".py")],
title=_("Load project"))
if not fname:
return
try:
self.load_project_from_file(fname)
except Exception as e:
showerror(title=_("Project loading failed").get(), message=str(e))
def update_qemu_build_path(self, bp):
if bp is None:
self.var_qemu_build_path.set(
_("No QEMU build path selected").get())
else:
self.var_qemu_build_path.set("QEMU: " + bp)