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.
1001 lines
33 KiB
Python
1001 lines
33 KiB
Python
import functools
|
|
import logging
|
|
import os
|
|
from pathlib import Path
|
|
import sys
|
|
|
|
import matplotlib
|
|
from matplotlib import backend_tools, cbook, rcParams
|
|
from matplotlib._pylab_helpers import Gcf
|
|
from matplotlib.backend_bases import (
|
|
_Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2,
|
|
StatusbarBase, TimerBase, ToolContainerBase, cursors)
|
|
from matplotlib.backend_managers import ToolManager
|
|
from matplotlib.figure import Figure
|
|
from matplotlib.widgets import SubplotTool
|
|
|
|
try:
|
|
import gi
|
|
except ImportError:
|
|
raise ImportError("The GTK3 backends require PyGObject")
|
|
|
|
try:
|
|
# :raises ValueError: If module/version is already loaded, already
|
|
# required, or unavailable.
|
|
gi.require_version("Gtk", "3.0")
|
|
except ValueError as e:
|
|
# in this case we want to re-raise as ImportError so the
|
|
# auto-backend selection logic correctly skips.
|
|
raise ImportError from e
|
|
|
|
from gi.repository import GLib, GObject, Gtk, Gdk
|
|
|
|
|
|
_log = logging.getLogger(__name__)
|
|
|
|
backend_version = "%s.%s.%s" % (
|
|
Gtk.get_major_version(), Gtk.get_micro_version(), Gtk.get_minor_version())
|
|
|
|
try:
|
|
cursord = {
|
|
cursors.MOVE: Gdk.Cursor.new(Gdk.CursorType.FLEUR),
|
|
cursors.HAND: Gdk.Cursor.new(Gdk.CursorType.HAND2),
|
|
cursors.POINTER: Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR),
|
|
cursors.SELECT_REGION: Gdk.Cursor.new(Gdk.CursorType.TCROSS),
|
|
cursors.WAIT: Gdk.Cursor.new(Gdk.CursorType.WATCH),
|
|
}
|
|
except TypeError as exc:
|
|
# Happens when running headless. Convert to ImportError to cooperate with
|
|
# backend switching.
|
|
raise ImportError(exc)
|
|
|
|
|
|
class TimerGTK3(TimerBase):
|
|
"""
|
|
Subclass of `.TimerBase` using GTK3 for 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 _timer_start(self):
|
|
# Need to stop it, otherwise we potentially leak a timer id that will
|
|
# never be stopped.
|
|
self._timer_stop()
|
|
self._timer = GLib.timeout_add(self._interval, self._on_timer)
|
|
|
|
def _timer_stop(self):
|
|
if self._timer is not None:
|
|
GLib.source_remove(self._timer)
|
|
self._timer = None
|
|
|
|
def _timer_set_interval(self):
|
|
# Only stop and restart it if the timer has already been started
|
|
if self._timer is not None:
|
|
self._timer_stop()
|
|
self._timer_start()
|
|
|
|
def _on_timer(self):
|
|
TimerBase._on_timer(self)
|
|
|
|
# Gtk timeout_add() requires that the callback returns True if it
|
|
# is to be called again.
|
|
if self.callbacks and not self._single:
|
|
return True
|
|
else:
|
|
self._timer = None
|
|
return False
|
|
|
|
|
|
class FigureCanvasGTK3(Gtk.DrawingArea, FigureCanvasBase):
|
|
required_interactive_framework = "gtk3"
|
|
|
|
keyvald = {65507: 'control',
|
|
65505: 'shift',
|
|
65513: 'alt',
|
|
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',
|
|
}
|
|
|
|
# Setting this as a static constant prevents
|
|
# this resulting expression from leaking
|
|
event_mask = (Gdk.EventMask.BUTTON_PRESS_MASK
|
|
| Gdk.EventMask.BUTTON_RELEASE_MASK
|
|
| Gdk.EventMask.EXPOSURE_MASK
|
|
| Gdk.EventMask.KEY_PRESS_MASK
|
|
| Gdk.EventMask.KEY_RELEASE_MASK
|
|
| Gdk.EventMask.ENTER_NOTIFY_MASK
|
|
| Gdk.EventMask.LEAVE_NOTIFY_MASK
|
|
| Gdk.EventMask.POINTER_MOTION_MASK
|
|
| Gdk.EventMask.POINTER_MOTION_HINT_MASK
|
|
| Gdk.EventMask.SCROLL_MASK)
|
|
|
|
def __init__(self, figure):
|
|
FigureCanvasBase.__init__(self, figure)
|
|
GObject.GObject.__init__(self)
|
|
|
|
self._idle_draw_id = 0
|
|
self._lastCursor = None
|
|
|
|
self.connect('scroll_event', self.scroll_event)
|
|
self.connect('button_press_event', self.button_press_event)
|
|
self.connect('button_release_event', self.button_release_event)
|
|
self.connect('configure_event', self.configure_event)
|
|
self.connect('draw', self.on_draw_event)
|
|
self.connect('key_press_event', self.key_press_event)
|
|
self.connect('key_release_event', self.key_release_event)
|
|
self.connect('motion_notify_event', self.motion_notify_event)
|
|
self.connect('leave_notify_event', self.leave_notify_event)
|
|
self.connect('enter_notify_event', self.enter_notify_event)
|
|
self.connect('size_allocate', self.size_allocate)
|
|
|
|
self.set_events(self.__class__.event_mask)
|
|
|
|
self.set_double_buffered(True)
|
|
self.set_can_focus(True)
|
|
self._renderer_init()
|
|
|
|
def destroy(self):
|
|
#Gtk.DrawingArea.destroy(self)
|
|
self.close_event()
|
|
if self._idle_draw_id != 0:
|
|
GLib.source_remove(self._idle_draw_id)
|
|
|
|
def scroll_event(self, widget, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.get_allocation().height - event.y
|
|
step = 1 if event.direction == Gdk.ScrollDirection.UP else -1
|
|
FigureCanvasBase.scroll_event(self, x, y, step, guiEvent=event)
|
|
return False # finish event propagation?
|
|
|
|
def button_press_event(self, widget, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.get_allocation().height - event.y
|
|
FigureCanvasBase.button_press_event(
|
|
self, x, y, event.button, guiEvent=event)
|
|
return False # finish event propagation?
|
|
|
|
def button_release_event(self, widget, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.get_allocation().height - event.y
|
|
FigureCanvasBase.button_release_event(
|
|
self, x, y, event.button, guiEvent=event)
|
|
return False # finish event propagation?
|
|
|
|
def key_press_event(self, widget, event):
|
|
key = self._get_key(event)
|
|
FigureCanvasBase.key_press_event(self, key, guiEvent=event)
|
|
return True # stop event propagation
|
|
|
|
def key_release_event(self, widget, event):
|
|
key = self._get_key(event)
|
|
FigureCanvasBase.key_release_event(self, key, guiEvent=event)
|
|
return True # stop event propagation
|
|
|
|
def motion_notify_event(self, widget, event):
|
|
if event.is_hint:
|
|
t, x, y, state = event.window.get_pointer()
|
|
else:
|
|
x, y = event.x, event.y
|
|
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.get_allocation().height - y
|
|
FigureCanvasBase.motion_notify_event(self, x, y, guiEvent=event)
|
|
return False # finish event propagation?
|
|
|
|
def leave_notify_event(self, widget, event):
|
|
FigureCanvasBase.leave_notify_event(self, event)
|
|
|
|
def enter_notify_event(self, widget, event):
|
|
x = event.x
|
|
# flipy so y=0 is bottom of canvas
|
|
y = self.get_allocation().height - event.y
|
|
FigureCanvasBase.enter_notify_event(self, guiEvent=event, xy=(x, y))
|
|
|
|
def size_allocate(self, widget, allocation):
|
|
dpival = self.figure.dpi
|
|
winch = allocation.width / dpival
|
|
hinch = allocation.height / dpival
|
|
self.figure.set_size_inches(winch, hinch, forward=False)
|
|
FigureCanvasBase.resize_event(self)
|
|
self.draw_idle()
|
|
|
|
def _get_key(self, event):
|
|
if event.keyval in self.keyvald:
|
|
key = self.keyvald[event.keyval]
|
|
elif event.keyval < 256:
|
|
key = chr(event.keyval)
|
|
else:
|
|
key = None
|
|
|
|
modifiers = [
|
|
(Gdk.ModifierType.MOD4_MASK, 'super'),
|
|
(Gdk.ModifierType.MOD1_MASK, 'alt'),
|
|
(Gdk.ModifierType.CONTROL_MASK, 'ctrl'),
|
|
]
|
|
for key_mask, prefix in modifiers:
|
|
if event.state & key_mask:
|
|
key = '{0}+{1}'.format(prefix, key)
|
|
|
|
return key
|
|
|
|
def configure_event(self, widget, event):
|
|
if widget.get_property("window") is None:
|
|
return
|
|
w, h = event.width, event.height
|
|
if w < 3 or h < 3:
|
|
return # empty fig
|
|
# resize the figure (in inches)
|
|
dpi = self.figure.dpi
|
|
self.figure.set_size_inches(w / dpi, h / dpi, forward=False)
|
|
return False # finish event propagation?
|
|
|
|
def on_draw_event(self, widget, ctx):
|
|
# to be overwritten by GTK3Agg or GTK3Cairo
|
|
pass
|
|
|
|
def draw(self):
|
|
# docstring inherited
|
|
if self.is_drawable():
|
|
self.queue_draw()
|
|
|
|
def draw_idle(self):
|
|
# docstring inherited
|
|
if self._idle_draw_id != 0:
|
|
return
|
|
def idle_draw(*args):
|
|
try:
|
|
self.draw()
|
|
finally:
|
|
self._idle_draw_id = 0
|
|
return False
|
|
self._idle_draw_id = GLib.idle_add(idle_draw)
|
|
|
|
def new_timer(self, *args, **kwargs):
|
|
# docstring inherited
|
|
return TimerGTK3(*args, **kwargs)
|
|
|
|
def flush_events(self):
|
|
# docstring inherited
|
|
Gdk.threads_enter()
|
|
while Gtk.events_pending():
|
|
Gtk.main_iteration()
|
|
Gdk.flush()
|
|
Gdk.threads_leave()
|
|
|
|
|
|
class FigureManagerGTK3(FigureManagerBase):
|
|
"""
|
|
Attributes
|
|
----------
|
|
canvas : `FigureCanvas`
|
|
The FigureCanvas instance
|
|
num : int or str
|
|
The Figure number
|
|
toolbar : Gtk.Toolbar
|
|
The Gtk.Toolbar
|
|
vbox : Gtk.VBox
|
|
The Gtk.VBox containing the canvas and toolbar
|
|
window : Gtk.Window
|
|
The Gtk.Window
|
|
|
|
"""
|
|
def __init__(self, canvas, num):
|
|
FigureManagerBase.__init__(self, canvas, num)
|
|
|
|
self.window = Gtk.Window()
|
|
self.window.set_wmclass("matplotlib", "Matplotlib")
|
|
self.set_window_title("Figure %d" % num)
|
|
try:
|
|
self.window.set_icon_from_file(window_icon)
|
|
except Exception:
|
|
# Some versions of gtk throw a glib.GError but not all, so I am not
|
|
# sure how to catch it. I am unhappy doing a blanket catch here,
|
|
# but am not sure what a better way is - JDH
|
|
_log.info('Could not load matplotlib icon: %s', sys.exc_info()[1])
|
|
|
|
self.vbox = Gtk.Box()
|
|
self.vbox.set_property("orientation", Gtk.Orientation.VERTICAL)
|
|
self.window.add(self.vbox)
|
|
self.vbox.show()
|
|
|
|
self.canvas.show()
|
|
|
|
self.vbox.pack_start(self.canvas, True, True, 0)
|
|
# calculate size for window
|
|
w = int(self.canvas.figure.bbox.width)
|
|
h = int(self.canvas.figure.bbox.height)
|
|
|
|
self.toolmanager = self._get_toolmanager()
|
|
self.toolbar = self._get_toolbar()
|
|
self.statusbar = None
|
|
|
|
def add_widget(child, expand, fill, padding):
|
|
child.show()
|
|
self.vbox.pack_end(child, False, False, 0)
|
|
size_request = child.size_request()
|
|
return size_request.height
|
|
|
|
if self.toolmanager:
|
|
backend_tools.add_tools_to_manager(self.toolmanager)
|
|
if self.toolbar:
|
|
backend_tools.add_tools_to_container(self.toolbar)
|
|
self.statusbar = StatusbarGTK3(self.toolmanager)
|
|
h += add_widget(self.statusbar, False, False, 0)
|
|
h += add_widget(Gtk.HSeparator(), False, False, 0)
|
|
|
|
if self.toolbar is not None:
|
|
self.toolbar.show()
|
|
h += add_widget(self.toolbar, False, False, 0)
|
|
|
|
self.window.set_default_size(w, h)
|
|
|
|
def destroy(*args):
|
|
Gcf.destroy(num)
|
|
self.window.connect("destroy", destroy)
|
|
self.window.connect("delete_event", destroy)
|
|
if matplotlib.is_interactive():
|
|
self.window.show()
|
|
self.canvas.draw_idle()
|
|
|
|
self.canvas.grab_focus()
|
|
|
|
def destroy(self, *args):
|
|
self.vbox.destroy()
|
|
self.window.destroy()
|
|
self.canvas.destroy()
|
|
if self.toolbar:
|
|
self.toolbar.destroy()
|
|
|
|
if (Gcf.get_num_fig_managers() == 0 and
|
|
not matplotlib.is_interactive() and
|
|
Gtk.main_level() >= 1):
|
|
Gtk.main_quit()
|
|
|
|
def show(self):
|
|
# show the figure window
|
|
self.window.show()
|
|
self.window.present()
|
|
|
|
def full_screen_toggle(self):
|
|
self._full_screen_flag = not self._full_screen_flag
|
|
if self._full_screen_flag:
|
|
self.window.fullscreen()
|
|
else:
|
|
self.window.unfullscreen()
|
|
_full_screen_flag = False
|
|
|
|
def _get_toolbar(self):
|
|
# must be inited after the window, drawingArea and figure
|
|
# attrs are set
|
|
if rcParams['toolbar'] == 'toolbar2':
|
|
toolbar = NavigationToolbar2GTK3(self.canvas, self.window)
|
|
elif rcParams['toolbar'] == 'toolmanager':
|
|
toolbar = ToolbarGTK3(self.toolmanager)
|
|
else:
|
|
toolbar = None
|
|
return toolbar
|
|
|
|
def _get_toolmanager(self):
|
|
# must be initialised after toolbar has been set
|
|
if rcParams['toolbar'] == 'toolmanager':
|
|
toolmanager = ToolManager(self.canvas.figure)
|
|
else:
|
|
toolmanager = None
|
|
return toolmanager
|
|
|
|
def get_window_title(self):
|
|
return self.window.get_title()
|
|
|
|
def set_window_title(self, title):
|
|
self.window.set_title(title)
|
|
|
|
def resize(self, width, height):
|
|
'set the canvas size in pixels'
|
|
#_, _, cw, ch = self.canvas.allocation
|
|
#_, _, ww, wh = self.window.allocation
|
|
#self.window.resize (width-cw+ww, height-ch+wh)
|
|
self.window.resize(width, height)
|
|
|
|
|
|
class NavigationToolbar2GTK3(NavigationToolbar2, Gtk.Toolbar):
|
|
def __init__(self, canvas, window):
|
|
self.win = window
|
|
GObject.GObject.__init__(self)
|
|
NavigationToolbar2.__init__(self, canvas)
|
|
self.ctx = None
|
|
|
|
def set_message(self, s):
|
|
self.message.set_label(s)
|
|
|
|
def set_cursor(self, cursor):
|
|
self.canvas.get_property("window").set_cursor(cursord[cursor])
|
|
Gtk.main_iteration()
|
|
|
|
def draw_rubberband(self, event, x0, y0, x1, y1):
|
|
# adapted from
|
|
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/189744
|
|
self.ctx = self.canvas.get_property("window").cairo_create()
|
|
|
|
# todo: instead of redrawing the entire figure, copy the part of
|
|
# the figure that was covered by the previous rubberband rectangle
|
|
self.canvas.draw()
|
|
|
|
height = self.canvas.figure.bbox.height
|
|
y1 = height - y1
|
|
y0 = height - y0
|
|
w = abs(x1 - x0)
|
|
h = abs(y1 - y0)
|
|
rect = [int(val) for val in (min(x0, x1), min(y0, y1), w, h)]
|
|
|
|
self.ctx.new_path()
|
|
self.ctx.set_line_width(0.5)
|
|
self.ctx.rectangle(rect[0], rect[1], rect[2], rect[3])
|
|
self.ctx.set_source_rgb(0, 0, 0)
|
|
self.ctx.stroke()
|
|
|
|
def _init_toolbar(self):
|
|
self.set_style(Gtk.ToolbarStyle.ICONS)
|
|
|
|
self._gtk_ids = {}
|
|
for text, tooltip_text, image_file, callback in self.toolitems:
|
|
if text is None:
|
|
self.insert(Gtk.SeparatorToolItem(), -1)
|
|
continue
|
|
image = Gtk.Image()
|
|
image.set_from_file(
|
|
str(cbook._get_data_path('images', image_file + '.png')))
|
|
self._gtk_ids[text] = tbutton = Gtk.ToolButton()
|
|
tbutton.set_label(text)
|
|
tbutton.set_icon_widget(image)
|
|
self.insert(tbutton, -1)
|
|
tbutton.connect('clicked', getattr(self, callback))
|
|
tbutton.set_tooltip_text(tooltip_text)
|
|
|
|
toolitem = Gtk.SeparatorToolItem()
|
|
self.insert(toolitem, -1)
|
|
toolitem.set_draw(False)
|
|
toolitem.set_expand(True)
|
|
|
|
toolitem = Gtk.ToolItem()
|
|
self.insert(toolitem, -1)
|
|
self.message = Gtk.Label()
|
|
toolitem.add(self.message)
|
|
|
|
self.show_all()
|
|
|
|
@cbook.deprecated("3.1")
|
|
def get_filechooser(self):
|
|
fc = FileChooserDialog(
|
|
title='Save the figure',
|
|
parent=self.win,
|
|
path=os.path.expanduser(rcParams['savefig.directory']),
|
|
filetypes=self.canvas.get_supported_filetypes(),
|
|
default_filetype=self.canvas.get_default_filetype())
|
|
fc.set_current_name(self.canvas.get_default_filename())
|
|
return fc
|
|
|
|
def save_figure(self, *args):
|
|
dialog = Gtk.FileChooserDialog(
|
|
title="Save the figure",
|
|
parent=self.canvas.get_toplevel(),
|
|
action=Gtk.FileChooserAction.SAVE,
|
|
buttons=(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
|
|
Gtk.STOCK_SAVE, Gtk.ResponseType.OK),
|
|
)
|
|
for name, fmts \
|
|
in self.canvas.get_supported_filetypes_grouped().items():
|
|
ff = Gtk.FileFilter()
|
|
ff.set_name(name)
|
|
for fmt in fmts:
|
|
ff.add_pattern("*." + fmt)
|
|
dialog.add_filter(ff)
|
|
if self.canvas.get_default_filetype() in fmts:
|
|
dialog.set_filter(ff)
|
|
|
|
@functools.partial(dialog.connect, "notify::filter")
|
|
def on_notify_filter(*args):
|
|
name = dialog.get_filter().get_name()
|
|
fmt = self.canvas.get_supported_filetypes_grouped()[name][0]
|
|
dialog.set_current_name(
|
|
str(Path(dialog.get_current_name()).with_suffix("." + fmt)))
|
|
|
|
dialog.set_current_folder(rcParams["savefig.directory"])
|
|
dialog.set_current_name(self.canvas.get_default_filename())
|
|
dialog.set_do_overwrite_confirmation(True)
|
|
|
|
response = dialog.run()
|
|
fname = dialog.get_filename()
|
|
ff = dialog.get_filter() # Doesn't autoadjust to filename :/
|
|
fmt = self.canvas.get_supported_filetypes_grouped()[ff.get_name()][0]
|
|
dialog.destroy()
|
|
if response == Gtk.ResponseType.CANCEL:
|
|
return
|
|
# Save dir for next time, unless empty str (which means use cwd).
|
|
if rcParams['savefig.directory']:
|
|
rcParams['savefig.directory'] = os.path.dirname(fname)
|
|
try:
|
|
self.canvas.figure.savefig(fname, format=fmt)
|
|
except Exception as e:
|
|
error_msg_gtk(str(e), parent=self)
|
|
|
|
def configure_subplots(self, button):
|
|
toolfig = Figure(figsize=(6, 3))
|
|
canvas = type(self.canvas)(toolfig)
|
|
toolfig.subplots_adjust(top=0.9)
|
|
# Need to keep a reference to the tool.
|
|
_tool = SubplotTool(self.canvas.figure, toolfig)
|
|
|
|
w = int(toolfig.bbox.width)
|
|
h = int(toolfig.bbox.height)
|
|
|
|
window = Gtk.Window()
|
|
try:
|
|
window.set_icon_from_file(window_icon)
|
|
except Exception:
|
|
# we presumably already logged a message on the
|
|
# failure of the main plot, don't keep reporting
|
|
pass
|
|
window.set_title("Subplot Configuration Tool")
|
|
window.set_default_size(w, h)
|
|
vbox = Gtk.Box()
|
|
vbox.set_property("orientation", Gtk.Orientation.VERTICAL)
|
|
window.add(vbox)
|
|
vbox.show()
|
|
|
|
canvas.show()
|
|
vbox.pack_start(canvas, True, True, 0)
|
|
window.show()
|
|
|
|
def set_history_buttons(self):
|
|
can_backward = self._nav_stack._pos > 0
|
|
can_forward = self._nav_stack._pos < len(self._nav_stack._elements) - 1
|
|
if 'Back' in self._gtk_ids:
|
|
self._gtk_ids['Back'].set_sensitive(can_backward)
|
|
if 'Forward' in self._gtk_ids:
|
|
self._gtk_ids['Forward'].set_sensitive(can_forward)
|
|
|
|
|
|
@cbook.deprecated("3.1")
|
|
class FileChooserDialog(Gtk.FileChooserDialog):
|
|
"""GTK+ file selector which remembers the last file/directory
|
|
selected and presents the user with a menu of supported image formats
|
|
"""
|
|
def __init__(self,
|
|
title='Save file',
|
|
parent=None,
|
|
action=Gtk.FileChooserAction.SAVE,
|
|
buttons=(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
|
|
Gtk.STOCK_SAVE, Gtk.ResponseType.OK),
|
|
path=None,
|
|
filetypes=[],
|
|
default_filetype=None,
|
|
):
|
|
super().__init__(title, parent, action, buttons)
|
|
self.set_default_response(Gtk.ResponseType.OK)
|
|
self.set_do_overwrite_confirmation(True)
|
|
|
|
if not path:
|
|
path = os.getcwd()
|
|
|
|
# create an extra widget to list supported image formats
|
|
self.set_current_folder(path)
|
|
self.set_current_name('image.' + default_filetype)
|
|
|
|
hbox = Gtk.Box(spacing=10)
|
|
hbox.pack_start(Gtk.Label(label="File Format:"), False, False, 0)
|
|
|
|
liststore = Gtk.ListStore(GObject.TYPE_STRING)
|
|
cbox = Gtk.ComboBox()
|
|
cbox.set_model(liststore)
|
|
cell = Gtk.CellRendererText()
|
|
cbox.pack_start(cell, True)
|
|
cbox.add_attribute(cell, 'text', 0)
|
|
hbox.pack_start(cbox, False, False, 0)
|
|
|
|
self.filetypes = filetypes
|
|
sorted_filetypes = sorted(filetypes.items())
|
|
default = 0
|
|
for i, (ext, name) in enumerate(sorted_filetypes):
|
|
liststore.append(["%s (*.%s)" % (name, ext)])
|
|
if ext == default_filetype:
|
|
default = i
|
|
cbox.set_active(default)
|
|
self.ext = default_filetype
|
|
|
|
def cb_cbox_changed(cbox, data=None):
|
|
"""File extension changed"""
|
|
head, filename = os.path.split(self.get_filename())
|
|
root, ext = os.path.splitext(filename)
|
|
ext = ext[1:]
|
|
new_ext = sorted_filetypes[cbox.get_active()][0]
|
|
self.ext = new_ext
|
|
|
|
if ext in self.filetypes:
|
|
filename = root + '.' + new_ext
|
|
elif ext == '':
|
|
filename = filename.rstrip('.') + '.' + new_ext
|
|
|
|
self.set_current_name(filename)
|
|
cbox.connect("changed", cb_cbox_changed)
|
|
|
|
hbox.show_all()
|
|
self.set_extra_widget(hbox)
|
|
|
|
def get_filename_from_user(self):
|
|
if self.run() == int(Gtk.ResponseType.OK):
|
|
return self.get_filename(), self.ext
|
|
else:
|
|
return None, self.ext
|
|
|
|
|
|
class ToolbarGTK3(ToolContainerBase, Gtk.Box):
|
|
_icon_extension = '.png'
|
|
|
|
def __init__(self, toolmanager):
|
|
ToolContainerBase.__init__(self, toolmanager)
|
|
Gtk.Box.__init__(self)
|
|
self.set_property("orientation", Gtk.Orientation.VERTICAL)
|
|
|
|
self._toolarea = Gtk.Box()
|
|
self._toolarea.set_property('orientation', Gtk.Orientation.HORIZONTAL)
|
|
self.pack_start(self._toolarea, False, False, 0)
|
|
self._toolarea.show_all()
|
|
self._groups = {}
|
|
self._toolitems = {}
|
|
|
|
def add_toolitem(self, name, group, position, image_file, description,
|
|
toggle):
|
|
if toggle:
|
|
tbutton = Gtk.ToggleToolButton()
|
|
else:
|
|
tbutton = Gtk.ToolButton()
|
|
tbutton.set_label(name)
|
|
|
|
if image_file is not None:
|
|
image = Gtk.Image()
|
|
image.set_from_file(image_file)
|
|
tbutton.set_icon_widget(image)
|
|
|
|
if position is None:
|
|
position = -1
|
|
|
|
self._add_button(tbutton, group, position)
|
|
signal = tbutton.connect('clicked', self._call_tool, name)
|
|
tbutton.set_tooltip_text(description)
|
|
tbutton.show_all()
|
|
self._toolitems.setdefault(name, [])
|
|
self._toolitems[name].append((tbutton, signal))
|
|
|
|
def _add_button(self, button, group, position):
|
|
if group not in self._groups:
|
|
if self._groups:
|
|
self._add_separator()
|
|
toolbar = Gtk.Toolbar()
|
|
toolbar.set_style(Gtk.ToolbarStyle.ICONS)
|
|
self._toolarea.pack_start(toolbar, False, False, 0)
|
|
toolbar.show_all()
|
|
self._groups[group] = toolbar
|
|
self._groups[group].insert(button, position)
|
|
|
|
def _call_tool(self, btn, name):
|
|
self.trigger_tool(name)
|
|
|
|
def toggle_toolitem(self, name, toggled):
|
|
if name not in self._toolitems:
|
|
return
|
|
for toolitem, signal in self._toolitems[name]:
|
|
toolitem.handler_block(signal)
|
|
toolitem.set_active(toggled)
|
|
toolitem.handler_unblock(signal)
|
|
|
|
def remove_toolitem(self, name):
|
|
if name not in self._toolitems:
|
|
self.toolmanager.message_event('%s Not in toolbar' % name, self)
|
|
return
|
|
|
|
for group in self._groups:
|
|
for toolitem, _signal in self._toolitems[name]:
|
|
if toolitem in self._groups[group]:
|
|
self._groups[group].remove(toolitem)
|
|
del self._toolitems[name]
|
|
|
|
def _add_separator(self):
|
|
sep = Gtk.Separator()
|
|
sep.set_property("orientation", Gtk.Orientation.VERTICAL)
|
|
self._toolarea.pack_start(sep, False, True, 0)
|
|
sep.show_all()
|
|
|
|
|
|
class StatusbarGTK3(StatusbarBase, Gtk.Statusbar):
|
|
def __init__(self, *args, **kwargs):
|
|
StatusbarBase.__init__(self, *args, **kwargs)
|
|
Gtk.Statusbar.__init__(self)
|
|
self._context = self.get_context_id('message')
|
|
|
|
def set_message(self, s):
|
|
self.pop(self._context)
|
|
self.push(self._context, s)
|
|
|
|
|
|
class RubberbandGTK3(backend_tools.RubberbandBase):
|
|
def draw_rubberband(self, x0, y0, x1, y1):
|
|
NavigationToolbar2GTK3.draw_rubberband(
|
|
self._make_classic_style_pseudo_toolbar(), None, x0, y0, x1, y1)
|
|
|
|
|
|
class SaveFigureGTK3(backend_tools.SaveFigureBase):
|
|
|
|
@cbook.deprecated("3.1")
|
|
def get_filechooser(self):
|
|
fc = FileChooserDialog(
|
|
title='Save the figure',
|
|
parent=self.figure.canvas.manager.window,
|
|
path=os.path.expanduser(rcParams['savefig.directory']),
|
|
filetypes=self.figure.canvas.get_supported_filetypes(),
|
|
default_filetype=self.figure.canvas.get_default_filetype())
|
|
fc.set_current_name(self.figure.canvas.get_default_filename())
|
|
return fc
|
|
|
|
def trigger(self, *args, **kwargs):
|
|
|
|
class PseudoToolbar:
|
|
canvas = self.figure.canvas
|
|
|
|
return NavigationToolbar2GTK3.save_figure(PseudoToolbar())
|
|
|
|
|
|
class SetCursorGTK3(backend_tools.SetCursorBase):
|
|
def set_cursor(self, cursor):
|
|
NavigationToolbar2GTK3.set_cursor(
|
|
self._make_classic_style_pseudo_toolbar(), cursor)
|
|
|
|
|
|
class ConfigureSubplotsGTK3(backend_tools.ConfigureSubplotsBase, Gtk.Window):
|
|
@cbook.deprecated("3.2")
|
|
@property
|
|
def window(self):
|
|
if not hasattr(self, "_window"):
|
|
self._window = None
|
|
return self._window
|
|
|
|
@window.setter
|
|
@cbook.deprecated("3.2")
|
|
def window(self, window):
|
|
self._window = window
|
|
|
|
@cbook.deprecated("3.2")
|
|
def init_window(self):
|
|
if self.window:
|
|
return
|
|
self.window = Gtk.Window(title="Subplot Configuration Tool")
|
|
|
|
try:
|
|
self.window.window.set_icon_from_file(window_icon)
|
|
except Exception:
|
|
# we presumably already logged a message on the
|
|
# failure of the main plot, don't keep reporting
|
|
pass
|
|
|
|
self.vbox = Gtk.Box()
|
|
self.vbox.set_property("orientation", Gtk.Orientation.VERTICAL)
|
|
self.window.add(self.vbox)
|
|
self.vbox.show()
|
|
self.window.connect('destroy', self.destroy)
|
|
|
|
toolfig = Figure(figsize=(6, 3))
|
|
canvas = self.figure.canvas.__class__(toolfig)
|
|
|
|
toolfig.subplots_adjust(top=0.9)
|
|
SubplotTool(self.figure, toolfig)
|
|
|
|
w = int(toolfig.bbox.width)
|
|
h = int(toolfig.bbox.height)
|
|
|
|
self.window.set_default_size(w, h)
|
|
|
|
canvas.show()
|
|
self.vbox.pack_start(canvas, True, True, 0)
|
|
self.window.show()
|
|
|
|
@cbook.deprecated("3.2")
|
|
def destroy(self, *args):
|
|
self.window.destroy()
|
|
self.window = None
|
|
|
|
def _get_canvas(self, fig):
|
|
return self.canvas.__class__(fig)
|
|
|
|
def trigger(self, *args):
|
|
NavigationToolbar2GTK3.configure_subplots(
|
|
self._make_classic_style_pseudo_toolbar(), None)
|
|
|
|
|
|
class HelpGTK3(backend_tools.ToolHelpBase):
|
|
def _normalize_shortcut(self, key):
|
|
"""
|
|
Convert Matplotlib key presses to GTK+ accelerator identifiers.
|
|
|
|
Related to `FigureCanvasGTK3._get_key`.
|
|
"""
|
|
special = {
|
|
'backspace': 'BackSpace',
|
|
'pagedown': 'Page_Down',
|
|
'pageup': 'Page_Up',
|
|
'scroll_lock': 'Scroll_Lock',
|
|
}
|
|
|
|
parts = key.split('+')
|
|
mods = ['<' + mod + '>' for mod in parts[:-1]]
|
|
key = parts[-1]
|
|
|
|
if key in special:
|
|
key = special[key]
|
|
elif len(key) > 1:
|
|
key = key.capitalize()
|
|
elif key.isupper():
|
|
mods += ['<shift>']
|
|
|
|
return ''.join(mods) + key
|
|
|
|
def _show_shortcuts_window(self):
|
|
section = Gtk.ShortcutsSection()
|
|
|
|
for name, tool in sorted(self.toolmanager.tools.items()):
|
|
if not tool.description:
|
|
continue
|
|
|
|
# Putting everything in a separate group allows GTK to
|
|
# automatically split them into separate columns/pages, which is
|
|
# useful because we have lots of shortcuts, some with many keys
|
|
# that are very wide.
|
|
group = Gtk.ShortcutsGroup()
|
|
section.add(group)
|
|
# A hack to remove the title since we have no group naming.
|
|
group.forall(lambda widget, data: widget.set_visible(False), None)
|
|
|
|
shortcut = Gtk.ShortcutsShortcut(
|
|
accelerator=' '.join(
|
|
self._normalize_shortcut(key)
|
|
for key in self.toolmanager.get_tool_keymap(name)
|
|
# Will never be sent:
|
|
if 'cmd+' not in key),
|
|
title=tool.name,
|
|
subtitle=tool.description)
|
|
group.add(shortcut)
|
|
|
|
window = Gtk.ShortcutsWindow(
|
|
title='Help',
|
|
modal=True,
|
|
transient_for=self._figure.canvas.get_toplevel())
|
|
section.show() # Must be done explicitly before add!
|
|
window.add(section)
|
|
|
|
window.show_all()
|
|
|
|
def _show_shortcuts_dialog(self):
|
|
dialog = Gtk.MessageDialog(
|
|
self._figure.canvas.get_toplevel(),
|
|
0, Gtk.MessageType.INFO, Gtk.ButtonsType.OK, self._get_help_text(),
|
|
title="Help")
|
|
dialog.run()
|
|
dialog.destroy()
|
|
|
|
def trigger(self, *args):
|
|
if Gtk.check_version(3, 20, 0) is None:
|
|
self._show_shortcuts_window()
|
|
else:
|
|
self._show_shortcuts_dialog()
|
|
|
|
|
|
class ToolCopyToClipboardGTK3(backend_tools.ToolCopyToClipboardBase):
|
|
def trigger(self, *args, **kwargs):
|
|
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
|
|
window = self.canvas.get_window()
|
|
x, y, width, height = window.get_geometry()
|
|
pb = Gdk.pixbuf_get_from_window(window, x, y, width, height)
|
|
clipboard.set_image(pb)
|
|
|
|
|
|
# Define the file to use as the GTk icon
|
|
if sys.platform == 'win32':
|
|
icon_filename = 'matplotlib.png'
|
|
else:
|
|
icon_filename = 'matplotlib.svg'
|
|
window_icon = str(cbook._get_data_path('images', icon_filename))
|
|
|
|
|
|
def error_msg_gtk(msg, parent=None):
|
|
if parent is not None: # find the toplevel Gtk.Window
|
|
parent = parent.get_toplevel()
|
|
if not parent.is_toplevel():
|
|
parent = None
|
|
if not isinstance(msg, str):
|
|
msg = ','.join(map(str, msg))
|
|
dialog = Gtk.MessageDialog(
|
|
parent=parent, type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK,
|
|
message_format=msg)
|
|
dialog.run()
|
|
dialog.destroy()
|
|
|
|
|
|
backend_tools.ToolSaveFigure = SaveFigureGTK3
|
|
backend_tools.ToolConfigureSubplots = ConfigureSubplotsGTK3
|
|
backend_tools.ToolSetCursor = SetCursorGTK3
|
|
backend_tools.ToolRubberband = RubberbandGTK3
|
|
backend_tools.ToolHelp = HelpGTK3
|
|
backend_tools.ToolCopyToClipboard = ToolCopyToClipboardGTK3
|
|
|
|
Toolbar = ToolbarGTK3
|
|
|
|
|
|
@_Backend.export
|
|
class _BackendGTK3(_Backend):
|
|
FigureCanvas = FigureCanvasGTK3
|
|
FigureManager = FigureManagerGTK3
|
|
|
|
@staticmethod
|
|
def trigger_manager_draw(manager):
|
|
manager.canvas.draw_idle()
|
|
|
|
@staticmethod
|
|
def mainloop():
|
|
if Gtk.main_level() == 0:
|
|
Gtk.main()
|