Issue #1135: Add the XView and YView mix-ins to avoid duplicating
the xview* and yview* methods.
This commit is contained in:
Guilherme Polo
parent
f198ac2db2
commit
e45f017023
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@ -850,7 +850,7 @@ class FileEntry(TixWidget):
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# FIXME: return python object
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pass
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class HList(TixWidget):
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class HList(TixWidget, XView, YView):
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"""HList - Hierarchy display widget can be used to display any data
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that have a hierarchical structure, for example, file system directory
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trees. The list entries are indented and connected by branch lines
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@ -1037,12 +1037,6 @@ class HList(TixWidget):
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def show_entry(self, entry):
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return self.tk.call(self._w, 'show', 'entry', entry)
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def xview(self, *args):
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self.tk.call(self._w, 'xview', *args)
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def yview(self, *args):
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self.tk.call(self._w, 'yview', *args)
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class InputOnly(TixWidget):
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"""InputOnly - Invisible widget. Unix only.
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@ -1419,7 +1413,7 @@ class StdButtonBox(TixWidget):
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if self.subwidget_list.has_key(name):
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self.tk.call(self._w, 'invoke', name)
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class TList(TixWidget):
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class TList(TixWidget, XView, YView):
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"""TList - Hierarchy display widget which can be
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used to display data in a tabular format. The list entries of a TList
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widget are similar to the entries in the Tk listbox widget. The main
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@ -1502,12 +1496,6 @@ class TList(TixWidget):
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def selection_set(self, first, last=None):
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self.tk.call(self._w, 'selection', 'set', first, last)
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def xview(self, *args):
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self.tk.call(self._w, 'xview', *args)
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def yview(self, *args):
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self.tk.call(self._w, 'yview', *args)
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class Tree(TixWidget):
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"""Tree - The tixTree widget can be used to display hierachical
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data in a tree form. The user can adjust
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@ -1777,7 +1765,7 @@ class CObjView(TixWidget):
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pass
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class Grid(TixWidget):
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class Grid(TixWidget, XView, YView):
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'''The Tix Grid command creates a new window and makes it into a
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tixGrid widget. Additional options, may be specified on the command
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line or in the option database to configure aspects such as its cursor
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@ -1865,22 +1853,6 @@ class Grid(TixWidget):
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# def size dim index ?option value ...?
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# def unset x y
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def xview(self):
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return self._getdoubles(self.tk.call(self, 'xview'))
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def xview_moveto(self, fraction):
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self.tk.call(self,'xview', 'moveto', fraction)
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def xview_scroll(self, count, what="units"):
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"Scroll right (count>0) or left <count> of units|pages"
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self.tk.call(self, 'xview', 'scroll', count, what)
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def yview(self):
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return self._getdoubles(self.tk.call(self, 'yview'))
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def yview_moveto(self, fraction):
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self.tk.call(self,'ysview', 'moveto', fraction)
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def yview_scroll(self, count, what="units"):
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"Scroll down (count>0) or up <count> of units|pages"
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self.tk.call(self, 'yview', 'scroll', count, what)
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class ScrolledGrid(Grid):
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'''Scrolled Grid widgets'''
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@ -1414,6 +1414,48 @@ class CallWrapper:
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self.widget._report_exception()
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class XView:
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"""Mix-in class for querying and changing the horizontal position
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of a widget's window."""
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def xview(self, *args):
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"""Query and change the horizontal position of the view."""
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res = self.tk.call(self._w, 'xview', *args)
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if not args:
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return self._getdoubles(res)
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def xview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total width of the canvas is off-screen to the left."""
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self.tk.call(self._w, 'xview', 'moveto', fraction)
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def xview_scroll(self, number, what):
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"""Shift the x-view according to NUMBER which is measured in "units"
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or "pages" (WHAT)."""
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self.tk.call(self._w, 'xview', 'scroll', number, what)
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class YView:
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"""Mix-in class for querying and changing the vertical position
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of a widget's window."""
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def yview(self, *args):
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"""Query and change the vertical position of the view."""
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res = self.tk.call(self._w, 'yview', *args)
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if not args:
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return self._getdoubles(res)
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def yview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total height of the canvas is off-screen to the top."""
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self.tk.call(self._w, 'yview', 'moveto', fraction)
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def yview_scroll(self, number, what):
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"""Shift the y-view according to NUMBER which is measured in
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"units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'yview', 'scroll', number, what)
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class Wm:
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"""Provides functions for the communication with the window manager."""
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@ -2057,7 +2099,7 @@ def At(x, y=None):
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else:
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return '@%r,%r' % (x, y)
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class Canvas(Widget):
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class Canvas(Widget, XView, YView):
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"""Canvas widget to display graphical elements like lines or text."""
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def __init__(self, master=None, cnf={}, **kw):
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"""Construct a canvas widget with the parent MASTER.
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@ -2297,30 +2339,6 @@ class Canvas(Widget):
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def type(self, tagOrId):
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"""Return the type of the item TAGORID."""
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return self.tk.call(self._w, 'type', tagOrId) or None
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def xview(self, *args):
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"""Query and change horizontal position of the view."""
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if not args:
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return self._getdoubles(self.tk.call(self._w, 'xview'))
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self.tk.call((self._w, 'xview') + args)
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def xview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total width of the canvas is off-screen to the left."""
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self.tk.call(self._w, 'xview', 'moveto', fraction)
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def xview_scroll(self, number, what):
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"""Shift the x-view according to NUMBER which is measured in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'xview', 'scroll', number, what)
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def yview(self, *args):
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"""Query and change vertical position of the view."""
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if not args:
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return self._getdoubles(self.tk.call(self._w, 'yview'))
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self.tk.call((self._w, 'yview') + args)
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def yview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total height of the canvas is off-screen to the top."""
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self.tk.call(self._w, 'yview', 'moveto', fraction)
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def yview_scroll(self, number, what):
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"""Shift the y-view according to NUMBER which is measured in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'yview', 'scroll', number, what)
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class Checkbutton(Widget):
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"""Checkbutton widget which is either in on- or off-state."""
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@ -2351,7 +2369,7 @@ class Checkbutton(Widget):
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"""Toggle the button."""
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self.tk.call(self._w, 'toggle')
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class Entry(Widget):
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class Entry(Widget, XView):
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"""Entry widget which allows to display simple text."""
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def __init__(self, master=None, cnf={}, **kw):
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"""Construct an entry widget with the parent MASTER.
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@ -2414,16 +2432,6 @@ class Entry(Widget):
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"""Set the variable end of a selection to INDEX."""
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self.tk.call(self._w, 'selection', 'to', index)
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select_to = selection_to
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def xview(self, index):
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"""Query and change horizontal position of the view."""
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self.tk.call(self._w, 'xview', index)
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def xview_moveto(self, fraction):
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"""Adjust the view in the window so that FRACTION of the
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total width of the entry is off-screen to the left."""
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self.tk.call(self._w, 'xview', 'moveto', fraction)
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def xview_scroll(self, number, what):
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"""Shift the x-view according to NUMBER which is measured in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'xview', 'scroll', number, what)
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class Frame(Widget):
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"""Frame widget which may contain other widgets and can have a 3D border."""
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@ -2465,7 +2473,7 @@ class Label(Widget):
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"""
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Widget.__init__(self, master, 'label', cnf, kw)
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class Listbox(Widget):
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class Listbox(Widget, XView, YView):
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"""Listbox widget which can display a list of strings."""
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def __init__(self, master=None, cnf={}, **kw):
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"""Construct a listbox widget with the parent MASTER.
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@ -2544,30 +2552,6 @@ class Listbox(Widget):
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def size(self):
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"""Return the number of elements in the listbox."""
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return getint(self.tk.call(self._w, 'size'))
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def xview(self, *what):
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"""Query and change horizontal position of the view."""
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if not what:
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return self._getdoubles(self.tk.call(self._w, 'xview'))
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self.tk.call((self._w, 'xview') + what)
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def xview_moveto(self, fraction):
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"""Adjust the view in the window so that FRACTION of the
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total width of the entry is off-screen to the left."""
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self.tk.call(self._w, 'xview', 'moveto', fraction)
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def xview_scroll(self, number, what):
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"""Shift the x-view according to NUMBER which is measured in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'xview', 'scroll', number, what)
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def yview(self, *what):
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"""Query and change vertical position of the view."""
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if not what:
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return self._getdoubles(self.tk.call(self._w, 'yview'))
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self.tk.call((self._w, 'yview') + what)
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def yview_moveto(self, fraction):
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"""Adjust the view in the window so that FRACTION of the
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total width of the entry is off-screen to the top."""
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self.tk.call(self._w, 'yview', 'moveto', fraction)
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def yview_scroll(self, number, what):
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"""Shift the y-view according to NUMBER which is measured in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'yview', 'scroll', number, what)
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def itemcget(self, index, option):
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"""Return the resource value for an ITEM and an OPTION."""
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return self.tk.call(
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@ -2814,7 +2798,7 @@ class Scrollbar(Widget):
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class Text(Widget):
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class Text(Widget, XView, YView):
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"""Text widget which can display text in various forms."""
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def __init__(self, master=None, cnf={}, **kw):
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"""Construct a text widget with the parent MASTER.
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@ -3136,32 +3120,6 @@ class Text(Widget):
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"""Return all names of embedded windows in this widget."""
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return self.tk.splitlist(
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self.tk.call(self._w, 'window', 'names'))
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def xview(self, *what):
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"""Query and change horizontal position of the view."""
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if not what:
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return self._getdoubles(self.tk.call(self._w, 'xview'))
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self.tk.call((self._w, 'xview') + what)
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def xview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total width of the canvas is off-screen to the left."""
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self.tk.call(self._w, 'xview', 'moveto', fraction)
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def xview_scroll(self, number, what):
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"""Shift the x-view according to NUMBER which is measured
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in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'xview', 'scroll', number, what)
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def yview(self, *what):
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"""Query and change vertical position of the view."""
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if not what:
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return self._getdoubles(self.tk.call(self._w, 'yview'))
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self.tk.call((self._w, 'yview') + what)
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def yview_moveto(self, fraction):
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"""Adjusts the view in the window so that FRACTION of the
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total height of the canvas is off-screen to the top."""
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self.tk.call(self._w, 'yview', 'moveto', fraction)
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def yview_scroll(self, number, what):
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"""Shift the y-view according to NUMBER which is measured
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in "units" or "pages" (WHAT)."""
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self.tk.call(self._w, 'yview', 'scroll', number, what)
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def yview_pickplace(self, *what):
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"""Obsolete function, use see."""
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self.tk.call((self._w, 'yview', '-pickplace') + what)
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@ -3347,7 +3305,7 @@ def image_names(): return _default_root.tk.call('image', 'names')
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def image_types(): return _default_root.tk.call('image', 'types')
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class Spinbox(Widget):
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class Spinbox(Widget, XView):
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"""spinbox widget."""
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def __init__(self, master=None, cnf={}, **kw):
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"""Construct a spinbox widget with the parent MASTER.
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@ -1170,7 +1170,7 @@ class Sizegrip(Widget):
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Widget.__init__(self, master, "ttk::sizegrip", kw)
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class Treeview(Widget):
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class Treeview(Widget, Tkinter.XView, Tkinter.YView):
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"""Ttk Treeview widget displays a hierarchical collection of items.
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Each item has a textual label, an optional image, and an optional list
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@ -1480,16 +1480,6 @@ class Treeview(Widget):
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return self.tk.call(self._w, "tag", "has", tagname, item)
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def xview(self, *args):
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"""Query or modify horizontal position of the treeview."""
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return self.tk.call(self._w, "xview", *args)
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def yview(self, *args):
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"""Query or modify vertical position of the treeview."""
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return self.tk.call(self._w, "yview", *args)
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# Extensions
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class LabeledScale(Frame, object):
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@ -354,6 +354,9 @@ Core and Builtins
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Library
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-------
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- Issue #1135: Add the XView and YView mix-ins to avoid duplicating
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the xview* and yview* methods.
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- Issue #6629: Fix a data corruption issue in the new `io` package, which could
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occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
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"wb+" mode) after having buffered a certain amount of data for reading. This
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