diff options
Diffstat (limited to 'Lib/tkinter/ttk.py')
| -rw-r--r-- | Lib/tkinter/ttk.py | 108 |
1 files changed, 51 insertions, 57 deletions
diff --git a/Lib/tkinter/ttk.py b/Lib/tkinter/ttk.py index ca90273..244fb3d 100644 --- a/Lib/tkinter/ttk.py +++ b/Lib/tkinter/ttk.py @@ -26,7 +26,7 @@ __all__ = ["Button", "Checkbutton", "Combobox", "Entry", "Frame", "Label", "tclobjs_to_py", "setup_master"] import tkinter -from tkinter import _flatten, _join, _stringify +from tkinter import _flatten, _join, _stringify, _splitdict # Verify if Tk is new enough to not need the Tile package _REQUIRE_TILE = True if tkinter.TkVersion < 8.5 else False @@ -240,21 +240,6 @@ def _script_from_settings(settings): return '\n'.join(script) -def _dict_from_tcltuple(ttuple, cut_minus=True): - """Break tuple in pairs, format it properly, then build the return - dict. If cut_minus is True, the supposed '-' prefixing options will - be removed. - - ttuple is expected to contain an even number of elements.""" - opt_start = 1 if cut_minus else 0 - - retdict = {} - it = iter(ttuple) - for opt, val in zip(it, it): - retdict[str(opt)[opt_start:]] = val - - return tclobjs_to_py(retdict) - def _list_from_statespec(stuple): """Construct a list from the given statespec tuple according to the accepted statespec accepted by _format_mapdict.""" @@ -272,9 +257,10 @@ def _list_from_statespec(stuple): it = iter(nval) return [_flatten(spec) for spec in zip(it, it)] -def _list_from_layouttuple(ltuple): +def _list_from_layouttuple(tk, ltuple): """Construct a list from the tuple returned by ttk::layout, this is somewhat the reverse of _format_layoutlist.""" + ltuple = tk.splitlist(ltuple) res = [] indx = 0 @@ -293,32 +279,27 @@ def _list_from_layouttuple(ltuple): indx += 2 if opt == 'children': - if (tkinter._default_root and - not tkinter._default_root.wantobjects()): - val = tkinter._default_root.splitlist(val) - val = _list_from_layouttuple(val) + val = _list_from_layouttuple(tk, val) opts[opt] = val return res -def _val_or_dict(options, func, *args): - """Format options then call func with args and options and return +def _val_or_dict(tk, options, *args): + """Format options then call Tk command with args and options and return the appropriate result. - If no option is specified, a dict is returned. If a option is + If no option is specified, a dict is returned. If an option is specified with the None value, the value for that option is returned. Otherwise, the function just sets the passed options and the caller shouldn't be expecting a return value anyway.""" options = _format_optdict(options) - res = func(*(args + options)) + res = tk.call(*(args + options)) if len(options) % 2: # option specified without a value, return its value return res - if tkinter._default_root: - res = tkinter._default_root.splitlist(res) - return _dict_from_tcltuple(res) + return _splitdict(tk, res, conv=_tclobj_to_py) def _convert_stringval(value): """Converts a value to, hopefully, a more appropriate Python object.""" @@ -338,20 +319,24 @@ def _to_number(x): x = int(x) return x +def _tclobj_to_py(val): + """Return value converted from Tcl object to Python object.""" + if val and hasattr(val, '__len__') and not isinstance(val, str): + if getattr(val[0], 'typename', None) == 'StateSpec': + val = _list_from_statespec(val) + else: + val = list(map(_convert_stringval, val)) + + elif hasattr(val, 'typename'): # some other (single) Tcl object + val = _convert_stringval(val) + + return val + def tclobjs_to_py(adict): """Returns adict with its values converted from Tcl objects to Python objects.""" for opt, val in adict.items(): - if val and hasattr(val, '__len__') and not isinstance(val, str): - if getattr(val[0], 'typename', None) == 'StateSpec': - val = _list_from_statespec(val) - else: - val = list(map(_convert_stringval, val)) - - elif hasattr(val, 'typename'): # some other (single) Tcl object - val = _convert_stringval(val) - - adict[opt] = val + adict[opt] = _tclobj_to_py(val) return adict @@ -396,7 +381,7 @@ class Style(object): a sequence identifying the value for that option.""" if query_opt is not None: kw[query_opt] = None - return _val_or_dict(kw, self.tk.call, self._name, "configure", style) + return _val_or_dict(self.tk, kw, self._name, "configure", style) def map(self, style, query_opt=None, **kw): @@ -411,8 +396,10 @@ class Style(object): return _list_from_statespec(self.tk.splitlist( self.tk.call(self._name, "map", style, '-%s' % query_opt))) - return _dict_from_tcltuple( - self.tk.call(self._name, "map", style, *(_format_mapdict(kw)))) + return _splitdict( + self.tk, + self.tk.call(self._name, "map", style, *_format_mapdict(kw)), + conv=_tclobj_to_py) def lookup(self, style, option, state=None, default=None): @@ -466,8 +453,8 @@ class Style(object): lspec = "null" # could be any other word, but this may make sense # when calling layout(style) later - return _list_from_layouttuple(self.tk.splitlist( - self.tk.call(self._name, "layout", style, lspec))) + return _list_from_layouttuple(self.tk, + self.tk.call(self._name, "layout", style, lspec)) def element_create(self, elementname, etype, *args, **kw): @@ -586,7 +573,7 @@ class Widget(tkinter.Widget): if ret and callback: return callback(*args, **kw) - return bool(ret) + return ret def state(self, statespec=None): @@ -694,7 +681,7 @@ class Entry(Widget, tkinter.Entry): """Force revalidation, independent of the conditions specified by the validate option. Returns False if validation fails, True if it succeeds. Sets or clears the invalid state accordingly.""" - return bool(self.tk.getboolean(self.tk.call(self._w, "validate"))) + return self.tk.getboolean(self.tk.call(self._w, "validate")) class Combobox(Entry): @@ -907,7 +894,7 @@ class Notebook(Widget): options to the corresponding values.""" if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, "tab", tab_id) + return _val_or_dict(self.tk, kw, self._w, "tab", tab_id) def tabs(self): @@ -984,7 +971,7 @@ class Panedwindow(Widget, tkinter.PanedWindow): Otherwise, sets the options to the corresponding values.""" if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, "pane", pane) + return _val_or_dict(self.tk, kw, self._w, "pane", pane) def sashpos(self, index, newpos=None): @@ -1223,7 +1210,7 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): Otherwise, sets the options to the corresponding values.""" if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, "column", column) + return _val_or_dict(self.tk, kw, self._w, "column", column) def delete(self, *items): @@ -1244,7 +1231,7 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): def exists(self, item): """Returns True if the specified item is present in the tree, False otherwise.""" - return bool(self.tk.getboolean(self.tk.call(self._w, "exists", item))) + return self.tk.getboolean(self.tk.call(self._w, "exists", item)) def focus(self, item=None): @@ -1282,7 +1269,7 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, 'heading', column) + return _val_or_dict(self.tk, kw, self._w, 'heading', column) def identify(self, component, x, y): @@ -1361,7 +1348,7 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): values as given by kw.""" if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, "item", item) + return _val_or_dict(self.tk, kw, self._w, "item", item) def move(self, item, parent, index): @@ -1429,13 +1416,16 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): def set(self, item, column=None, value=None): - """With one argument, returns a dictionary of column/value pairs - for the specified item. With two arguments, returns the current - value of the specified column. With three arguments, sets the + """Query or set the value of given item. + + With one argument, return a dictionary of column/value pairs + for the specified item. With two arguments, return the current + value of the specified column. With three arguments, set the value of given column in given item to the specified value.""" res = self.tk.call(self._w, "set", item, column, value) if column is None and value is None: - return _dict_from_tcltuple(self.tk.splitlist(res), False) + return _splitdict(self.tk, res, + cut_minus=False, conv=_tclobj_to_py) else: return res @@ -1456,7 +1446,7 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): values for the given tagname.""" if option is not None: kw[option] = None - return _val_or_dict(kw, self.tk.call, self._w, "tag", "configure", + return _val_or_dict(self.tk, kw, self._w, "tag", "configure", tagname) @@ -1466,7 +1456,11 @@ class Treeview(Widget, tkinter.XView, tkinter.YView): all items which have the specified tag. * Availability: Tk 8.6""" - return self.tk.getboolean( + if item is None: + return self.tk.splitlist( + self.tk.call(self._w, "tag", "has", tagname)) + else: + return self.tk.getboolean( self.tk.call(self._w, "tag", "has", tagname, item)) |