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Scientific Python
Package Scientific :: Package TkWidgets :: Class FloatEntry
[frames] | no frames]

Class FloatEntry

  Tkinter.Misc --+            
                 |            
Tkinter.BaseWidget --+        
                     |        
      Tkinter.Pack --+        
                     |        
     Tkinter.Place --+        
                     |        
      Tkinter.Grid --+        
                     |        
        Tkinter.Widget --+    
                         |    
             Tkinter.Frame --+
                             |
                            FloatEntry
Known Subclasses:

Entry field for float numbers

A FloatEntry widget consists of a label followed by a text entry field.

Nested Classes

Inherited from Tkinter.Misc: getdouble, getint

Instance Methods
 
__init__(self, master, text, init=None, lower=None, upper=None, name=None, **attr)
Construct a frame widget with the parent MASTER.
 
bind(self, sequence=None, func=None, add=None)
Bind to this widget at event SEQUENCE a call to function FUNC.
float
get(self)
Returns: the current value displayed in the field
 
set(self, value)
Set the value displayed in the field

Inherited from Tkinter.BaseWidget: destroy

Inherited from Tkinter.Misc: __getitem__, __setitem__, __str__, after, after_cancel, after_idle, bbox, bell, bind_all, bind_class, bindtags, cget, clipboard_append, clipboard_clear, clipboard_get, colormodel, columnconfigure, config, configure, deletecommand, event_add, event_delete, event_generate, event_info, focus, focus_displayof, focus_force, focus_get, focus_lastfor, focus_set, getboolean, getvar, grab_current, grab_release, grab_set, grab_set_global, grab_status, grid_bbox, grid_columnconfigure, grid_location, grid_propagate, grid_rowconfigure, grid_size, grid_slaves, image_names, image_types, keys, lift, lower, mainloop, nametowidget, option_add, option_clear, option_get, option_readfile, pack_propagate, pack_slaves, place_slaves, propagate, quit, register, rowconfigure, selection_clear, selection_get, selection_handle, selection_own, selection_own_get, send, setvar, size, slaves, tk_bisque, tk_focusFollowsMouse, tk_focusNext, tk_focusPrev, tk_menuBar, tk_setPalette, tk_strictMotif, tkraise, unbind, unbind_all, unbind_class, update, update_idletasks, wait_variable, wait_visibility, wait_window, waitvar, winfo_atom, winfo_atomname, winfo_cells, winfo_children, winfo_class, winfo_colormapfull, winfo_containing, winfo_depth, winfo_exists, winfo_fpixels, winfo_geometry, winfo_height, winfo_id, winfo_interps, winfo_ismapped, winfo_manager, winfo_name, winfo_parent, winfo_pathname, winfo_pixels, winfo_pointerx, winfo_pointerxy, winfo_pointery, winfo_reqheight, winfo_reqwidth, winfo_rgb, winfo_rootx, winfo_rooty, winfo_screen, winfo_screencells, winfo_screendepth, winfo_screenheight, winfo_screenmmheight, winfo_screenmmwidth, winfo_screenvisual, winfo_screenwidth, winfo_server, winfo_toplevel, winfo_viewable, winfo_visual, winfo_visualid, winfo_visualsavailable, winfo_vrootheight, winfo_vrootwidth, winfo_vrootx, winfo_vrooty, winfo_width, winfo_x, winfo_y

Inherited from Tkinter.Pack: forget, info, pack, pack_configure, pack_forget, pack_info

Inherited from Tkinter.Place: place, place_configure, place_forget, place_info

Inherited from Tkinter.Grid: grid, grid_configure, grid_forget, grid_info, grid_remove, location

Class Variables

Inherited from Tkinter.Misc: _noarg_

Method Details

__init__(self, master, text, init=None, lower=None, upper=None, name=None, **attr)
(Constructor)

 

Construct a frame widget with the parent MASTER.

Valid resource names: background, bd, bg, borderwidth, class, colormap, container, cursor, height, highlightbackground, highlightcolor, highlightthickness, relief, takefocus, visual, width.

Parameters:
  • master - the parent widget
  • text (str) - the label in front of the entry field
  • init (number) - an optional initial value (default: blank field)
  • upper (number) - an optional upper limit for the value
  • lower (number) - an optional lower limit for the value
Overrides: Tkinter.BaseWidget.__init__

bind(self, sequence=None, func=None, add=None)

 

Bind to this widget at event SEQUENCE a call to function FUNC.

SEQUENCE is a string of concatenated event patterns. An event pattern is of the form <MODIFIER-MODIFIER-TYPE-DETAIL> where MODIFIER is one of Control, Mod2, M2, Shift, Mod3, M3, Lock, Mod4, M4, Button1, B1, Mod5, M5 Button2, B2, Meta, M, Button3, B3, Alt, Button4, B4, Double, Button5, B5 Triple, Mod1, M1. TYPE is one of Activate, Enter, Map, ButtonPress, Button, Expose, Motion, ButtonRelease FocusIn, MouseWheel, Circulate, FocusOut, Property, Colormap, Gravity Reparent, Configure, KeyPress, Key, Unmap, Deactivate, KeyRelease Visibility, Destroy, Leave and DETAIL is the button number for ButtonPress, ButtonRelease and DETAIL is the Keysym for KeyPress and KeyRelease. Examples are <Control-Button-1> for pressing Control and mouse button 1 or <Alt-A> for pressing A and the Alt key (KeyPress can be omitted). An event pattern can also be a virtual event of the form <<AString>> where AString can be arbitrary. This event can be generated by event_generate. If events are concatenated they must appear shortly after each other.

FUNC will be called if the event sequence occurs with an instance of Event as argument. If the return value of FUNC is "break" no further bound function is invoked.

An additional boolean parameter ADD specifies whether FUNC will be called additionally to the other bound function or whether it will replace the previous function.

Bind will return an identifier to allow deletion of the bound function with unbind without memory leak.

If FUNC or SEQUENCE is omitted the bound function or list of bound events are returned.

Overrides: Tkinter.Misc.bind
(inherited documentation)

get(self)

 
Returns: float
the current value displayed in the field
Raises:
  • ValueError - if the current value is not a valid number or is not within the specified limits

set(self, value)

 

Set the value displayed in the field

Parameters:
  • value (float) - the new value

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