You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
908 lines
31 KiB
Python
908 lines
31 KiB
Python
from contextlib import contextmanager
|
|
import logging
|
|
import math
|
|
import os.path
|
|
import sys
|
|
import tkinter as tk
|
|
from tkinter.simpledialog import SimpleDialog
|
|
import tkinter.filedialog
|
|
import tkinter.messagebox
|
|
|
|
import numpy as np
|
|
|
|
import matplotlib
|
|
from matplotlib import backend_tools, cbook, rcParams
|
|
from matplotlib.backend_bases import (
|
|
_Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2,
|
|
StatusbarBase, TimerBase, ToolContainerBase, cursors)
|
|
from matplotlib.backend_managers import ToolManager
|
|
from matplotlib._pylab_helpers import Gcf
|
|
from matplotlib.figure import Figure
|
|
from matplotlib.widgets import SubplotTool
|
|
from . import _tkagg
|
|
|
|
try:
|
|
from ._tkagg import Win32_GetForegroundWindow, Win32_SetForegroundWindow
|
|
except ImportError:
|
|
@contextmanager
|
|
def _restore_foreground_window_at_end():
|
|
yield
|
|
else:
|
|
@contextmanager
|
|
def _restore_foreground_window_at_end():
|
|
foreground = Win32_GetForegroundWindow()
|
|
try:
|
|
yield
|
|
finally:
|
|
if rcParams['tk.window_focus']:
|
|
Win32_SetForegroundWindow(foreground)
|
|
|
|
|
|
_log = logging.getLogger(__name__)
|
|
|
|
backend_version = tk.TkVersion
|
|
|
|
cursord = {
|
|
cursors.MOVE: "fleur",
|
|
cursors.HAND: "hand2",
|
|
cursors.POINTER: "arrow",
|
|
cursors.SELECT_REGION: "tcross",
|
|
cursors.WAIT: "watch",
|
|
}
|
|
|
|
|
|
def blit(photoimage, aggimage, offsets, bbox=None):
|
|
"""
|
|
Blit *aggimage* to *photoimage*.
|
|
|
|
*offsets* is a tuple describing how to fill the ``offset`` field of the
|
|
``Tk_PhotoImageBlock`` struct: it should be (0, 1, 2, 3) for RGBA8888 data,
|
|
(2, 1, 0, 3) for little-endian ARBG32 (i.e. GBRA8888) data and (1, 2, 3, 0)
|
|
for big-endian ARGB32 (i.e. ARGB8888) data.
|
|
|
|
If *bbox* is passed, it defines the region that gets blitted.
|
|
"""
|
|
data = np.asarray(aggimage)
|
|
height, width = data.shape[:2]
|
|
dataptr = (height, width, data.ctypes.data)
|
|
if bbox is not None:
|
|
(x1, y1), (x2, y2) = bbox.__array__()
|
|
x1 = max(math.floor(x1), 0)
|
|
x2 = min(math.ceil(x2), width)
|
|
y1 = max(math.floor(y1), 0)
|
|
y2 = min(math.ceil(y2), height)
|
|
bboxptr = (x1, x2, y1, y2)
|
|
else:
|
|
photoimage.blank()
|
|
bboxptr = (0, width, 0, height)
|
|
_tkagg.blit(
|
|
photoimage.tk.interpaddr(), str(photoimage), dataptr, offsets, bboxptr)
|
|
|
|
|
|
class TimerTk(TimerBase):
|
|
'''
|
|
Subclass of :class:`backend_bases.TimerBase` that uses Tk's timer events.
|
|
|
|
Attributes
|
|
----------
|
|
interval : int
|
|
The time between timer events in milliseconds. Default is 1000 ms.
|
|
single_shot : bool
|
|
Boolean flag indicating whether this timer should operate as single
|
|
shot (run once and then stop). Defaults to False.
|
|
callbacks : list
|
|
Stores list of (func, args) tuples that will be called upon timer
|
|
events. This list can be manipulated directly, or the functions
|
|
`add_callback` and `remove_callback` can be used.
|
|
|
|
'''
|
|
def __init__(self, parent, *args, **kwargs):
|
|
TimerBase.__init__(self, *args, **kwargs)
|
|
self.parent = parent
|
|
self._timer = None
|
|
|
|
def _timer_start(self):
|
|
self._timer_stop()
|
|
self._timer = self.parent.after(self._interval, self._on_timer)
|
|
|
|
def _timer_stop(self):
|
|
if self._timer is not None:
|
|
self.parent.after_cancel(self._timer)
|
|
self._timer = None
|
|
|
|
def _on_timer(self):
|
|
TimerBase._on_timer(self)
|
|
|
|
# Tk after() is only a single shot, so we need to add code here to
|
|
# reset the timer if we're not operating in single shot mode. However,
|
|
# if _timer is None, this means that _timer_stop has been called; so
|
|
# don't recreate the timer in that case.
|
|
if not self._single and self._timer:
|
|
self._timer = self.parent.after(self._interval, self._on_timer)
|
|
else:
|
|
self._timer = None
|
|
|
|
|
|
class FigureCanvasTk(FigureCanvasBase):
|
|
required_interactive_framework = "tk"
|
|
|
|
keyvald = {65507: 'control',
|
|
65505: 'shift',
|
|
65513: 'alt',
|
|
65515: 'super',
|
|
65508: 'control',
|
|
65506: 'shift',
|
|
65514: 'alt',
|
|
65361: 'left',
|
|
65362: 'up',
|
|
65363: 'right',
|
|
65364: 'down',
|
|
65307: 'escape',
|
|
65470: 'f1',
|
|
65471: 'f2',
|
|
65472: 'f3',
|
|
65473: 'f4',
|
|
65474: 'f5',
|
|
65475: 'f6',
|
|
65476: 'f7',
|
|
65477: 'f8',
|
|
65478: 'f9',
|
|
65479: 'f10',
|
|
65480: 'f11',
|
|
65481: 'f12',
|
|
65300: 'scroll_lock',
|
|
65299: 'break',
|
|
65288: 'backspace',
|
|
65293: 'enter',
|
|
65379: 'insert',
|
|
65535: 'delete',
|
|
65360: 'home',
|
|
65367: 'end',
|
|
65365: 'pageup',
|
|
65366: 'pagedown',
|
|
65438: '0',
|
|
65436: '1',
|
|
65433: '2',
|
|
65435: '3',
|
|
65430: '4',
|
|
65437: '5',
|
|
65432: '6',
|
|
65429: '7',
|
|
65431: '8',
|
|
65434: '9',
|
|
65451: '+',
|
|
65453: '-',
|
|
65450: '*',
|
|
65455: '/',
|
|
65439: 'dec',
|
|
65421: 'enter',
|
|
}
|
|
|
|
_keycode_lookup = {
|
|
262145: 'control',
|
|
524320: 'alt',
|
|
524352: 'alt',
|
|
1048584: 'super',
|
|
1048592: 'super',
|
|
131074: 'shift',
|
|
131076: 'shift',
|
|
}
|
|
"""_keycode_lookup is used for badly mapped (i.e. no event.key_sym set)
|
|
keys on apple keyboards."""
|
|
|
|
def __init__(self, figure, master=None, resize_callback=None):
|
|
super(FigureCanvasTk, self).__init__(figure)
|
|
self._idle = True
|
|
self._idle_callback = None
|
|
t1, t2, w, h = self.figure.bbox.bounds
|
|
w, h = int(w), int(h)
|
|
self._tkcanvas = tk.Canvas(
|
|
master=master, background="white",
|
|
width=w, height=h, borderwidth=0, highlightthickness=0)
|
|
self._tkphoto = tk.PhotoImage(
|
|
master=self._tkcanvas, width=w, height=h)
|
|
self._tkcanvas.create_image(w//2, h//2, image=self._tkphoto)
|
|
self._resize_callback = resize_callback
|
|
self._tkcanvas.bind("<Configure>", self.resize)
|
|
self._tkcanvas.bind("<Key>", self.key_press)
|
|
self._tkcanvas.bind("<Motion>", self.motion_notify_event)
|
|
self._tkcanvas.bind("<Enter>", self.enter_notify_event)
|
|
self._tkcanvas.bind("<Leave>", self.leave_notify_event)
|
|
self._tkcanvas.bind("<KeyRelease>", self.key_release)
|
|
for name in ["<Button-1>", "<Button-2>", "<Button-3>"]:
|
|
self._tkcanvas.bind(name, self.button_press_event)
|
|
for name in [
|
|
"<Double-Button-1>", "<Double-Button-2>", "<Double-Button-3>"]:
|
|
self._tkcanvas.bind(name, self.button_dblclick_event)
|
|
for name in [
|
|
"<ButtonRelease-1>", "<ButtonRelease-2>", "<ButtonRelease-3>"]:
|
|
self._tkcanvas.bind(name, self.button_release_event)
|
|
|
|
# Mouse wheel on Linux generates button 4/5 events
|
|
for name in "<Button-4>", "<Button-5>":
|
|
self._tkcanvas.bind(name, self.scroll_event)
|
|
# Mouse wheel for windows goes to the window with the focus.
|
|
# Since the canvas won't usually have the focus, bind the
|
|
# event to the window containing the canvas instead.
|
|
# See http://wiki.tcl.tk/3893 (mousewheel) for details
|
|
root = self._tkcanvas.winfo_toplevel()
|
|
root.bind("<MouseWheel>", self.scroll_event_windows, "+")
|
|
|
|
# Can't get destroy events by binding to _tkcanvas. Therefore, bind
|
|
# to the window and filter.
|
|
def filter_destroy(evt):
|
|
if evt.widget is self._tkcanvas:
|
|
self._master.update_idletasks()
|
|
self.close_event()
|
|
root.bind("<Destroy>", filter_destroy, "+")
|
|
|
|
self._master = master
|
|
self._tkcanvas.focus_set()
|
|
|
|
def resize(self, event):
|
|
width, height = event.width, event.height
|
|
if self._resize_callback is not None:
|
|
self._resize_callback(event)
|
|
|
|
# compute desired figure size in inches
|
|
dpival = self.figure.dpi
|
|
winch = width / dpival
|
|
hinch = height / dpival
|
|
self.figure.set_size_inches(winch, hinch, forward=False)
|
|
|
|
self._tkcanvas.delete(self._tkphoto)
|
|
self._tkphoto = tk.PhotoImage(
|
|
master=self._tkcanvas, width=int(width), height=int(height))
|
|
self._tkcanvas.create_image(
|
|
int(width / 2), int(height / 2), image=self._tkphoto)
|
|
self.resize_event()
|
|
self.draw()
|
|
|
|
def draw_idle(self):
|
|
# docstring inherited
|
|
if not self._idle:
|
|
return
|
|
|
|
self._idle = False
|
|
|
|
def idle_draw(*args):
|
|
try:
|
|
self.draw()
|
|
finally:
|
|
self._idle = True
|
|
|
|
self._idle_callback = self._tkcanvas.after_idle(idle_draw)
|
|
|
|
def get_tk_widget(self):
|
|
"""Return the Tk widget used to implement FigureCanvasTkAgg.
|
|
Although the initial implementation uses a Tk canvas, this routine
|
|
is intended to hide that fact.
|
|
"""
|
|
return self._tkcanvas
|
|
|
|
def motion_notify_event(self, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.figure.bbox.height - event.y
|
|
FigureCanvasBase.motion_notify_event(self, x, y, guiEvent=event)
|
|
|
|
def enter_notify_event(self, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.figure.bbox.height - event.y
|
|
FigureCanvasBase.enter_notify_event(self, guiEvent=event, xy=(x, y))
|
|
|
|
def button_press_event(self, event, dblclick=False):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.figure.bbox.height - event.y
|
|
num = getattr(event, 'num', None)
|
|
|
|
if sys.platform == 'darwin':
|
|
# 2 and 3 were reversed on the OSX platform I tested under tkagg.
|
|
if num == 2:
|
|
num = 3
|
|
elif num == 3:
|
|
num = 2
|
|
|
|
FigureCanvasBase.button_press_event(
|
|
self, x, y, num, dblclick=dblclick, guiEvent=event)
|
|
|
|
def button_dblclick_event(self, event):
|
|
self.button_press_event(event, dblclick=True)
|
|
|
|
def button_release_event(self, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.figure.bbox.height - event.y
|
|
|
|
num = getattr(event, 'num', None)
|
|
|
|
if sys.platform == 'darwin':
|
|
# 2 and 3 were reversed on the OSX platform I tested under tkagg.
|
|
if num == 2:
|
|
num = 3
|
|
elif num == 3:
|
|
num = 2
|
|
|
|
FigureCanvasBase.button_release_event(self, x, y, num, guiEvent=event)
|
|
|
|
def scroll_event(self, event):
|
|
x = event.x
|
|
y = self.figure.bbox.height - event.y
|
|
num = getattr(event, 'num', None)
|
|
step = 1 if num == 4 else -1 if num == 5 else 0
|
|
FigureCanvasBase.scroll_event(self, x, y, step, guiEvent=event)
|
|
|
|
def scroll_event_windows(self, event):
|
|
"""MouseWheel event processor"""
|
|
# need to find the window that contains the mouse
|
|
w = event.widget.winfo_containing(event.x_root, event.y_root)
|
|
if w == self._tkcanvas:
|
|
x = event.x_root - w.winfo_rootx()
|
|
y = event.y_root - w.winfo_rooty()
|
|
y = self.figure.bbox.height - y
|
|
step = event.delta/120.
|
|
FigureCanvasBase.scroll_event(self, x, y, step, guiEvent=event)
|
|
|
|
def _get_key(self, event):
|
|
val = event.keysym_num
|
|
if val in self.keyvald:
|
|
key = self.keyvald[val]
|
|
elif (val == 0 and sys.platform == 'darwin'
|
|
and event.keycode in self._keycode_lookup):
|
|
key = self._keycode_lookup[event.keycode]
|
|
elif val < 256:
|
|
key = chr(val)
|
|
else:
|
|
key = None
|
|
|
|
# add modifier keys to the key string. Bit details originate from
|
|
# http://effbot.org/tkinterbook/tkinter-events-and-bindings.htm
|
|
# BIT_SHIFT = 0x001; BIT_CAPSLOCK = 0x002; BIT_CONTROL = 0x004;
|
|
# BIT_LEFT_ALT = 0x008; BIT_NUMLOCK = 0x010; BIT_RIGHT_ALT = 0x080;
|
|
# BIT_MB_1 = 0x100; BIT_MB_2 = 0x200; BIT_MB_3 = 0x400;
|
|
# In general, the modifier key is excluded from the modifier flag,
|
|
# however this is not the case on "darwin", so double check that
|
|
# we aren't adding repeat modifier flags to a modifier key.
|
|
if sys.platform == 'win32':
|
|
modifiers = [(17, 'alt', 'alt'),
|
|
(2, 'ctrl', 'control'),
|
|
]
|
|
elif sys.platform == 'darwin':
|
|
modifiers = [(3, 'super', 'super'),
|
|
(4, 'alt', 'alt'),
|
|
(2, 'ctrl', 'control'),
|
|
]
|
|
else:
|
|
modifiers = [(6, 'super', 'super'),
|
|
(3, 'alt', 'alt'),
|
|
(2, 'ctrl', 'control'),
|
|
]
|
|
|
|
if key is not None:
|
|
# shift is not added to the keys as this is already accounted for
|
|
for bitmask, prefix, key_name in modifiers:
|
|
if event.state & (1 << bitmask) and key_name not in key:
|
|
key = '{0}+{1}'.format(prefix, key)
|
|
|
|
return key
|
|
|
|
def key_press(self, event):
|
|
key = self._get_key(event)
|
|
FigureCanvasBase.key_press_event(self, key, guiEvent=event)
|
|
|
|
def key_release(self, event):
|
|
key = self._get_key(event)
|
|
FigureCanvasBase.key_release_event(self, key, guiEvent=event)
|
|
|
|
def new_timer(self, *args, **kwargs):
|
|
# docstring inherited
|
|
return TimerTk(self._tkcanvas, *args, **kwargs)
|
|
|
|
def flush_events(self):
|
|
# docstring inherited
|
|
self._master.update()
|
|
|
|
|
|
class FigureManagerTk(FigureManagerBase):
|
|
"""
|
|
Attributes
|
|
----------
|
|
canvas : `FigureCanvas`
|
|
The FigureCanvas instance
|
|
num : int or str
|
|
The Figure number
|
|
toolbar : tk.Toolbar
|
|
The tk.Toolbar
|
|
window : tk.Window
|
|
The tk.Window
|
|
|
|
"""
|
|
def __init__(self, canvas, num, window):
|
|
FigureManagerBase.__init__(self, canvas, num)
|
|
self.window = window
|
|
self.window.withdraw()
|
|
self.set_window_title("Figure %d" % num)
|
|
self.canvas = canvas
|
|
# If using toolmanager it has to be present when initializing the
|
|
# toolbar
|
|
self.toolmanager = self._get_toolmanager()
|
|
# packing toolbar first, because if space is getting low, last packed
|
|
# widget is getting shrunk first (-> the canvas)
|
|
self.toolbar = self._get_toolbar()
|
|
self.canvas._tkcanvas.pack(side=tk.TOP, fill=tk.BOTH, expand=1)
|
|
|
|
self.statusbar = None
|
|
|
|
if self.toolmanager:
|
|
backend_tools.add_tools_to_manager(self.toolmanager)
|
|
if self.toolbar:
|
|
backend_tools.add_tools_to_container(self.toolbar)
|
|
self.statusbar = StatusbarTk(self.window, self.toolmanager)
|
|
|
|
self._shown = False
|
|
|
|
def _get_toolbar(self):
|
|
if matplotlib.rcParams['toolbar'] == 'toolbar2':
|
|
toolbar = NavigationToolbar2Tk(self.canvas, self.window)
|
|
elif matplotlib.rcParams['toolbar'] == 'toolmanager':
|
|
toolbar = ToolbarTk(self.toolmanager, self.window)
|
|
else:
|
|
toolbar = None
|
|
return toolbar
|
|
|
|
def _get_toolmanager(self):
|
|
if rcParams['toolbar'] == 'toolmanager':
|
|
toolmanager = ToolManager(self.canvas.figure)
|
|
else:
|
|
toolmanager = None
|
|
return toolmanager
|
|
|
|
def resize(self, width, height):
|
|
self.canvas._tkcanvas.master.geometry("%dx%d" % (width, height))
|
|
|
|
if self.toolbar is not None:
|
|
self.toolbar.configure(width=width)
|
|
|
|
def show(self):
|
|
with _restore_foreground_window_at_end():
|
|
if not self._shown:
|
|
def destroy(*args):
|
|
self.window = None
|
|
Gcf.destroy(self.num)
|
|
self.canvas._tkcanvas.bind("<Destroy>", destroy)
|
|
self.window.deiconify()
|
|
else:
|
|
self.canvas.draw_idle()
|
|
# Raise the new window.
|
|
self.canvas.manager.window.attributes('-topmost', 1)
|
|
self.canvas.manager.window.attributes('-topmost', 0)
|
|
self._shown = True
|
|
|
|
def destroy(self, *args):
|
|
if self.window is not None:
|
|
#self.toolbar.destroy()
|
|
if self.canvas._idle_callback:
|
|
self.canvas._tkcanvas.after_cancel(self.canvas._idle_callback)
|
|
self.window.destroy()
|
|
if Gcf.get_num_fig_managers() == 0:
|
|
if self.window is not None:
|
|
self.window.quit()
|
|
self.window = None
|
|
|
|
def get_window_title(self):
|
|
return self.window.wm_title()
|
|
|
|
def set_window_title(self, title):
|
|
self.window.wm_title(title)
|
|
|
|
def full_screen_toggle(self):
|
|
is_fullscreen = bool(self.window.attributes('-fullscreen'))
|
|
self.window.attributes('-fullscreen', not is_fullscreen)
|
|
|
|
|
|
class NavigationToolbar2Tk(NavigationToolbar2, tk.Frame):
|
|
"""
|
|
Attributes
|
|
----------
|
|
canvas : `FigureCanvas`
|
|
the figure canvas on which to operate
|
|
win : tk.Window
|
|
the tk.Window which owns this toolbar
|
|
|
|
"""
|
|
def __init__(self, canvas, window):
|
|
self.canvas = canvas
|
|
# Avoid using self.window (prefer self.canvas.get_tk_widget().master),
|
|
# so that Tool implementations can reuse the methods.
|
|
self.window = window
|
|
NavigationToolbar2.__init__(self, canvas)
|
|
|
|
def destroy(self, *args):
|
|
del self.message
|
|
tk.Frame.destroy(self, *args)
|
|
|
|
def set_message(self, s):
|
|
self.message.set(s)
|
|
|
|
def draw_rubberband(self, event, x0, y0, x1, y1):
|
|
height = self.canvas.figure.bbox.height
|
|
y0 = height - y0
|
|
y1 = height - y1
|
|
if hasattr(self, "lastrect"):
|
|
self.canvas._tkcanvas.delete(self.lastrect)
|
|
self.lastrect = self.canvas._tkcanvas.create_rectangle(x0, y0, x1, y1)
|
|
|
|
def release(self, event):
|
|
if hasattr(self, "lastrect"):
|
|
self.canvas._tkcanvas.delete(self.lastrect)
|
|
del self.lastrect
|
|
|
|
def set_cursor(self, cursor):
|
|
window = self.canvas.get_tk_widget().master
|
|
window.configure(cursor=cursord[cursor])
|
|
window.update_idletasks()
|
|
|
|
def _Button(self, text, file, command, extension='.gif'):
|
|
img_file = str(cbook._get_data_path('images', file + extension))
|
|
im = tk.PhotoImage(master=self, file=img_file)
|
|
b = tk.Button(
|
|
master=self, text=text, padx=2, pady=2, image=im, command=command)
|
|
b._ntimage = im
|
|
b.pack(side=tk.LEFT)
|
|
return b
|
|
|
|
def _Spacer(self):
|
|
# Buttons are 30px high. Make this 26px tall +2px padding to center it.
|
|
s = tk.Frame(
|
|
master=self, height=26, relief=tk.RIDGE, pady=2, bg="DarkGray")
|
|
s.pack(side=tk.LEFT, padx=5)
|
|
return s
|
|
|
|
def _init_toolbar(self):
|
|
xmin, xmax = self.canvas.figure.bbox.intervalx
|
|
height, width = 50, xmax-xmin
|
|
tk.Frame.__init__(self, master=self.window,
|
|
width=int(width), height=int(height),
|
|
borderwidth=2)
|
|
|
|
self.update() # Make axes menu
|
|
|
|
for text, tooltip_text, image_file, callback in self.toolitems:
|
|
if text is None:
|
|
# Add a spacer; return value is unused.
|
|
self._Spacer()
|
|
else:
|
|
button = self._Button(text=text, file=image_file,
|
|
command=getattr(self, callback))
|
|
if tooltip_text is not None:
|
|
ToolTip.createToolTip(button, tooltip_text)
|
|
|
|
self.message = tk.StringVar(master=self)
|
|
self._message_label = tk.Label(master=self, textvariable=self.message)
|
|
self._message_label.pack(side=tk.RIGHT)
|
|
self.pack(side=tk.BOTTOM, fill=tk.X)
|
|
|
|
def configure_subplots(self):
|
|
toolfig = Figure(figsize=(6, 3))
|
|
window = tk.Toplevel()
|
|
canvas = type(self.canvas)(toolfig, master=window)
|
|
toolfig.subplots_adjust(top=0.9)
|
|
canvas.tool = SubplotTool(self.canvas.figure, toolfig)
|
|
canvas.draw()
|
|
canvas.get_tk_widget().pack(side=tk.TOP, fill=tk.BOTH, expand=1)
|
|
window.grab_set()
|
|
|
|
def save_figure(self, *args):
|
|
filetypes = self.canvas.get_supported_filetypes().copy()
|
|
default_filetype = self.canvas.get_default_filetype()
|
|
|
|
# Tk doesn't provide a way to choose a default filetype,
|
|
# so we just have to put it first
|
|
default_filetype_name = filetypes.pop(default_filetype)
|
|
sorted_filetypes = ([(default_filetype, default_filetype_name)]
|
|
+ sorted(filetypes.items()))
|
|
tk_filetypes = [(name, '*.%s' % ext) for ext, name in sorted_filetypes]
|
|
|
|
# adding a default extension seems to break the
|
|
# asksaveasfilename dialog when you choose various save types
|
|
# from the dropdown. Passing in the empty string seems to
|
|
# work - JDH!
|
|
#defaultextension = self.canvas.get_default_filetype()
|
|
defaultextension = ''
|
|
initialdir = os.path.expanduser(rcParams['savefig.directory'])
|
|
initialfile = self.canvas.get_default_filename()
|
|
fname = tkinter.filedialog.asksaveasfilename(
|
|
master=self.canvas.get_tk_widget().master,
|
|
title='Save the figure',
|
|
filetypes=tk_filetypes,
|
|
defaultextension=defaultextension,
|
|
initialdir=initialdir,
|
|
initialfile=initialfile,
|
|
)
|
|
|
|
if fname in ["", ()]:
|
|
return
|
|
# Save dir for next time, unless empty str (i.e., use cwd).
|
|
if initialdir != "":
|
|
rcParams['savefig.directory'] = (
|
|
os.path.dirname(str(fname)))
|
|
try:
|
|
# This method will handle the delegation to the correct type
|
|
self.canvas.figure.savefig(fname)
|
|
except Exception as e:
|
|
tkinter.messagebox.showerror("Error saving file", str(e))
|
|
|
|
@cbook.deprecated("3.1")
|
|
def set_active(self, ind):
|
|
self._ind = ind
|
|
self._active = [self._axes[i] for i in self._ind]
|
|
|
|
def update(self):
|
|
self._axes = self.canvas.figure.axes
|
|
with _restore_foreground_window_at_end():
|
|
NavigationToolbar2.update(self)
|
|
|
|
|
|
class ToolTip:
|
|
"""
|
|
Tooltip recipe from
|
|
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_07_01.shtml#e387
|
|
"""
|
|
@staticmethod
|
|
def createToolTip(widget, text):
|
|
toolTip = ToolTip(widget)
|
|
def enter(event):
|
|
toolTip.showtip(text)
|
|
def leave(event):
|
|
toolTip.hidetip()
|
|
widget.bind('<Enter>', enter)
|
|
widget.bind('<Leave>', leave)
|
|
|
|
def __init__(self, widget):
|
|
self.widget = widget
|
|
self.tipwindow = None
|
|
self.id = None
|
|
self.x = self.y = 0
|
|
|
|
def showtip(self, text):
|
|
"Display text in tooltip window"
|
|
self.text = text
|
|
if self.tipwindow or not self.text:
|
|
return
|
|
x, y, _, _ = self.widget.bbox("insert")
|
|
x = x + self.widget.winfo_rootx() + 27
|
|
y = y + self.widget.winfo_rooty()
|
|
self.tipwindow = tw = tk.Toplevel(self.widget)
|
|
tw.wm_overrideredirect(1)
|
|
tw.wm_geometry("+%d+%d" % (x, y))
|
|
try:
|
|
# For Mac OS
|
|
tw.tk.call("::tk::unsupported::MacWindowStyle",
|
|
"style", tw._w,
|
|
"help", "noActivates")
|
|
except tk.TclError:
|
|
pass
|
|
label = tk.Label(tw, text=self.text, justify=tk.LEFT,
|
|
background="#ffffe0", relief=tk.SOLID, borderwidth=1)
|
|
label.pack(ipadx=1)
|
|
|
|
def hidetip(self):
|
|
tw = self.tipwindow
|
|
self.tipwindow = None
|
|
if tw:
|
|
tw.destroy()
|
|
|
|
|
|
class RubberbandTk(backend_tools.RubberbandBase):
|
|
def draw_rubberband(self, x0, y0, x1, y1):
|
|
height = self.figure.canvas.figure.bbox.height
|
|
y0 = height - y0
|
|
y1 = height - y1
|
|
if hasattr(self, "lastrect"):
|
|
self.figure.canvas._tkcanvas.delete(self.lastrect)
|
|
self.lastrect = self.figure.canvas._tkcanvas.create_rectangle(
|
|
x0, y0, x1, y1)
|
|
|
|
def remove_rubberband(self):
|
|
if hasattr(self, "lastrect"):
|
|
self.figure.canvas._tkcanvas.delete(self.lastrect)
|
|
del self.lastrect
|
|
|
|
|
|
class SetCursorTk(backend_tools.SetCursorBase):
|
|
def set_cursor(self, cursor):
|
|
NavigationToolbar2Tk.set_cursor(
|
|
self._make_classic_style_pseudo_toolbar(), cursor)
|
|
|
|
|
|
class ToolbarTk(ToolContainerBase, tk.Frame):
|
|
_icon_extension = '.gif'
|
|
|
|
def __init__(self, toolmanager, window):
|
|
ToolContainerBase.__init__(self, toolmanager)
|
|
xmin, xmax = self.toolmanager.canvas.figure.bbox.intervalx
|
|
height, width = 50, xmax - xmin
|
|
tk.Frame.__init__(self, master=window,
|
|
width=int(width), height=int(height),
|
|
borderwidth=2)
|
|
self._toolitems = {}
|
|
self.pack(side=tk.TOP, fill=tk.X)
|
|
self._groups = {}
|
|
|
|
def add_toolitem(
|
|
self, name, group, position, image_file, description, toggle):
|
|
frame = self._get_groupframe(group)
|
|
button = self._Button(name, image_file, toggle, frame)
|
|
if description is not None:
|
|
ToolTip.createToolTip(button, description)
|
|
self._toolitems.setdefault(name, [])
|
|
self._toolitems[name].append(button)
|
|
|
|
def _get_groupframe(self, group):
|
|
if group not in self._groups:
|
|
if self._groups:
|
|
self._add_separator()
|
|
frame = tk.Frame(master=self, borderwidth=0)
|
|
frame.pack(side=tk.LEFT, fill=tk.Y)
|
|
self._groups[group] = frame
|
|
return self._groups[group]
|
|
|
|
def _add_separator(self):
|
|
separator = tk.Frame(master=self, bd=5, width=1, bg='black')
|
|
separator.pack(side=tk.LEFT, fill=tk.Y, padx=2)
|
|
|
|
def _Button(self, text, image_file, toggle, frame):
|
|
if image_file is not None:
|
|
im = tk.PhotoImage(master=self, file=image_file)
|
|
else:
|
|
im = None
|
|
|
|
if not toggle:
|
|
b = tk.Button(master=frame, text=text, padx=2, pady=2, image=im,
|
|
command=lambda: self._button_click(text))
|
|
else:
|
|
# There is a bug in tkinter included in some python 3.6 versions
|
|
# that without this variable, produces a "visual" toggling of
|
|
# other near checkbuttons
|
|
# https://bugs.python.org/issue29402
|
|
# https://bugs.python.org/issue25684
|
|
var = tk.IntVar()
|
|
b = tk.Checkbutton(master=frame, text=text, padx=2, pady=2,
|
|
image=im, indicatoron=False,
|
|
command=lambda: self._button_click(text),
|
|
variable=var)
|
|
b._ntimage = im
|
|
b.pack(side=tk.LEFT)
|
|
return b
|
|
|
|
def _button_click(self, name):
|
|
self.trigger_tool(name)
|
|
|
|
def toggle_toolitem(self, name, toggled):
|
|
if name not in self._toolitems:
|
|
return
|
|
for toolitem in self._toolitems[name]:
|
|
if toggled:
|
|
toolitem.select()
|
|
else:
|
|
toolitem.deselect()
|
|
|
|
def remove_toolitem(self, name):
|
|
for toolitem in self._toolitems[name]:
|
|
toolitem.pack_forget()
|
|
del self._toolitems[name]
|
|
|
|
|
|
class StatusbarTk(StatusbarBase, tk.Frame):
|
|
def __init__(self, window, *args, **kwargs):
|
|
StatusbarBase.__init__(self, *args, **kwargs)
|
|
xmin, xmax = self.toolmanager.canvas.figure.bbox.intervalx
|
|
height, width = 50, xmax - xmin
|
|
tk.Frame.__init__(self, master=window,
|
|
width=int(width), height=int(height),
|
|
borderwidth=2)
|
|
self._message = tk.StringVar(master=self)
|
|
self._message_label = tk.Label(master=self, textvariable=self._message)
|
|
self._message_label.pack(side=tk.RIGHT)
|
|
self.pack(side=tk.TOP, fill=tk.X)
|
|
|
|
def set_message(self, s):
|
|
self._message.set(s)
|
|
|
|
|
|
class SaveFigureTk(backend_tools.SaveFigureBase):
|
|
def trigger(self, *args):
|
|
NavigationToolbar2Tk.save_figure(
|
|
self._make_classic_style_pseudo_toolbar())
|
|
|
|
|
|
class ConfigureSubplotsTk(backend_tools.ConfigureSubplotsBase):
|
|
def __init__(self, *args, **kwargs):
|
|
backend_tools.ConfigureSubplotsBase.__init__(self, *args, **kwargs)
|
|
self.window = None
|
|
|
|
def trigger(self, *args):
|
|
self.init_window()
|
|
self.window.lift()
|
|
|
|
def init_window(self):
|
|
if self.window:
|
|
return
|
|
|
|
toolfig = Figure(figsize=(6, 3))
|
|
self.window = tk.Tk()
|
|
|
|
canvas = type(self.canvas)(toolfig, master=self.window)
|
|
toolfig.subplots_adjust(top=0.9)
|
|
SubplotTool(self.figure, toolfig)
|
|
canvas.draw()
|
|
canvas.get_tk_widget().pack(side=tk.TOP, fill=tk.BOTH, expand=1)
|
|
self.window.protocol("WM_DELETE_WINDOW", self.destroy)
|
|
|
|
def destroy(self, *args, **kwargs):
|
|
if self.window is not None:
|
|
self.window.destroy()
|
|
self.window = None
|
|
|
|
|
|
class HelpTk(backend_tools.ToolHelpBase):
|
|
def trigger(self, *args):
|
|
dialog = SimpleDialog(
|
|
self.figure.canvas._tkcanvas, self._get_help_text(), ["OK"])
|
|
dialog.done = lambda num: dialog.frame.master.withdraw()
|
|
|
|
|
|
backend_tools.ToolSaveFigure = SaveFigureTk
|
|
backend_tools.ToolConfigureSubplots = ConfigureSubplotsTk
|
|
backend_tools.ToolSetCursor = SetCursorTk
|
|
backend_tools.ToolRubberband = RubberbandTk
|
|
backend_tools.ToolHelp = HelpTk
|
|
backend_tools.ToolCopyToClipboard = backend_tools.ToolCopyToClipboardBase
|
|
Toolbar = ToolbarTk
|
|
|
|
|
|
@_Backend.export
|
|
class _BackendTk(_Backend):
|
|
FigureManager = FigureManagerTk
|
|
|
|
@classmethod
|
|
def new_figure_manager_given_figure(cls, num, figure):
|
|
"""
|
|
Create a new figure manager instance for the given figure.
|
|
"""
|
|
with _restore_foreground_window_at_end():
|
|
window = tk.Tk(className="matplotlib")
|
|
window.withdraw()
|
|
|
|
# Put a Matplotlib icon on the window rather than the default tk
|
|
# icon. Tkinter doesn't allow colour icons on linux systems, but
|
|
# tk>=8.5 has a iconphoto command which we call directly. See
|
|
# http://mail.python.org/pipermail/tkinter-discuss/2006-November/000954.html
|
|
icon_fname = str(cbook._get_data_path(
|
|
'images/matplotlib_128.ppm'))
|
|
icon_img = tk.PhotoImage(file=icon_fname, master=window)
|
|
try:
|
|
window.iconphoto(False, icon_img)
|
|
except Exception as exc:
|
|
# log the failure (due e.g. to Tk version), but carry on
|
|
_log.info('Could not load matplotlib icon: %s', exc)
|
|
|
|
canvas = cls.FigureCanvas(figure, master=window)
|
|
manager = cls.FigureManager(canvas, num, window)
|
|
if matplotlib.is_interactive():
|
|
manager.show()
|
|
canvas.draw_idle()
|
|
return manager
|
|
|
|
@staticmethod
|
|
def trigger_manager_draw(manager):
|
|
manager.show()
|
|
|
|
@staticmethod
|
|
def mainloop():
|
|
managers = Gcf.get_all_fig_managers()
|
|
if managers:
|
|
managers[0].window.mainloop()
|