def build_gui(self, container):
top = Widgets.VBox()
top.set_border_width(4)
vbox, sw, orientation = Widgets.get_oriented_box(container)
vbox.set_border_width(4)
vbox.set_spacing(2)
self.msgFont = self.fv.getFont("sansFont", 12)
tw = Widgets.TextArea(wrap=True, editable=False)
tw.set_font(self.msgFont)
self.tw = tw
fr = Widgets.Frame("Instructions")
vbox2 = Widgets.VBox()
vbox2.add_widget(tw)
vbox2.add_widget(Widgets.Label(''), stretch=1)
fr.set_widget(vbox2)
vbox.add_widget(fr, stretch=0)
fr = Widgets.Frame("Mosaic")
captions = [
("FOV (deg):", 'label', 'Fov', 'llabel', 'set_fov', 'entry'),
("New Mosaic", 'button'),
("Label images", 'checkbutton', "Match bg", 'checkbutton'),
("Trim Pixels:", 'label', 'Trim Px', 'llabel',
'trim_pixels', 'entry'),
("Num Threads:", 'label', 'Num Threads', 'llabel',
'set_num_threads', 'entry'),
("Merge data", 'checkbutton', "Drop new",
'checkbutton'),
("Mosaic HDUs", 'checkbutton'),
]
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
fov_deg = self.settings.get('fov_deg', 1.0)
b.fov.set_text(str(fov_deg))
b.set_fov.set_length(8)
b.set_fov.set_text(str(fov_deg))
b.set_fov.add_callback('activated', self.set_fov_cb)
b.set_fov.set_tooltip("Set size of mosaic FOV (deg)")
b.new_mosaic.add_callback('activated', lambda w: self.new_mosaic_cb())
labelem = self.settings.get('annotate_images', False)
b.label_images.set_state(labelem)
b.label_images.set_tooltip("Label tiles with their names")
b.label_images.add_callback('activated', self.annotate_cb)
trim_px = self.settings.get('trim_px', 0)
match_bg = self.settings.get('match_bg', False)
b.match_bg.set_tooltip("Try to match background levels")
b.match_bg.set_state(match_bg)
b.match_bg.add_callback('activated', self.match_bg_cb)
b.trim_pixels.set_tooltip("Set number of pixels to trim from each edge")
b.trim_px.set_text(str(trim_px))
b.trim_pixels.add_callback('activated', self.trim_pixels_cb)
b.trim_pixels.set_length(8)
b.trim_pixels.set_text(str(trim_px))
num_threads = self.settings.get('num_threads', 4)
b.num_threads.set_text(str(num_threads))
b.set_num_threads.set_length(8)
b.set_num_threads.set_text(str(num_threads))
b.set_num_threads.set_tooltip("Number of threads to use for mosaicing")
b.set_num_threads.add_callback('activated', self.set_num_threads_cb)
merge = self.settings.get('merge', False)
b.merge_data.set_tooltip("Merge data instead of overlay")
b.merge_data.set_state(merge)
b.merge_data.add_callback('activated', self.merge_cb)
drop_new = self.settings.get('drop_creates_new_mosaic', False)
b.drop_new.set_tooltip("Dropping files on image starts a new mosaic")
b.drop_new.set_state(drop_new)
b.drop_new.add_callback('activated', self.drop_new_cb)
mosaic_hdus = self.settings.get('mosaic_hdus', False)
b.mosaic_hdus.set_tooltip("Mosaic data HDUs in each file")
b.mosaic_hdus.set_state(mosaic_hdus)
b.mosaic_hdus.add_callback('activated', self.mosaic_hdus_cb)
fr.set_widget(w)
vbox.add_widget(fr, stretch=0)
vbox2 = Widgets.VBox()
# Mosaic evaluation status
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
label = Widgets.Label()
self.w.eval_status = label
hbox.add_widget(self.w.eval_status, stretch=0)
hbox.add_widget(Widgets.Label(''), stretch=1)
vbox2.add_widget(hbox, stretch=0)
# Mosaic evaluation progress bar and stop button
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
btn = Widgets.Button("Stop")
btn.add_callback('activated', lambda w: self.eval_intr())
btn.set_enabled(False)
self.w.btn_intr_eval = btn
hbox.add_widget(btn, stretch=0)
self.w.eval_pgs = Widgets.ProgressBar()
hbox.add_widget(self.w.eval_pgs, stretch=1)
vbox2.add_widget(hbox, stretch=0)
vbox2.add_widget(Widgets.Label(''), stretch=1)
vbox.add_widget(vbox2, stretch=1)
self.w.vbox = Widgets.VBox()
vbox.add_widget(self.w.vbox, stretch=0)
spacer = Widgets.Label('')
vbox.add_widget(spacer, stretch=1)
top.add_widget(sw, stretch=1)
btns = Widgets.HBox()
btns.set_spacing(3)
btn = Widgets.Button("Close")
btn.add_callback('activated', lambda w: self.close())
btns.add_widget(btn, stretch=0)
btns.add_widget(Widgets.Label(''), stretch=1)
top.add_widget(btns, stretch=0)
container.add_widget(top, stretch=1)
self.gui_up = True
def build_gui(self, container):
assert iqcalc.have_scipy == True, \
Exception("Please install python-scipy to use this plugin")
self.pickcenter = None
vtop = Widgets.VBox()
vtop.set_border_width(4)
vbox, sw, orientation = Widgets.get_oriented_box(container)
vbox.set_border_width(4)
vbox.set_spacing(2)
vpaned = Widgets.Splitter(orientation=orientation)
nb = Widgets.TabWidget(tabpos='bottom')
#nb.set_scrollable(True)
self.w.nb1 = nb
vpaned.add_widget(nb)
cm, im = self.fv.cm, self.fv.im
di = CanvasTypes.ImageViewCanvas(logger=self.logger)
width, height = 200, 200
di.set_desired_size(width, height)
di.enable_autozoom('off')
di.enable_autocuts('off')
di.zoom_to(3, redraw=False)
settings = di.get_settings()
settings.getSetting('zoomlevel').add_callback('set', self.zoomset, di)
di.set_cmap(cm, redraw=False)
di.set_imap(im, redraw=False)
di.set_callback('none-move', self.detailxy)
di.set_bg(0.4, 0.4, 0.4)
# for debugging
di.set_name('pickimage')
self.pickimage = di
bd = di.get_bindings()
bd.enable_pan(True)
bd.enable_zoom(True)
bd.enable_cuts(True)
iw = Widgets.wrap(di.get_widget())
nb.add_widget(iw, title="Image")
if have_mpl:
self.plot1 = Plot.Plot(logger=self.logger,
width=2,
height=3,
dpi=72)
self.w.canvas = self.plot1.canvas
self.w.fig = self.plot1.fig
self.w.ax = self.w.fig.add_subplot(111, axisbg='black')
self.w.ax.set_aspect('equal', adjustable='box')
self.w.ax.set_title('Contours')
#self.w.ax.grid(True)
canvas = self.w.canvas
connect = canvas.mpl_connect
# These are not ready for prime time...
# connect("motion_notify_event", self.plot_motion_notify)
# connect("button_press_event", self.plot_button_press)
connect("scroll_event", self.plot_scroll)
nb.add_widget(Widgets.wrap(canvas), title="Contour")
self.plot2 = Plot.Plot(logger=self.logger,
width=2,
height=3,
dpi=72)
self.w.canvas2 = self.plot2.canvas
self.w.fig2 = self.plot2.fig
self.w.ax2 = self.w.fig2.add_subplot(111, axisbg='white')
#self.w.ax2.set_aspect('equal', adjustable='box')
self.w.ax2.set_ylabel('brightness')
self.w.ax2.set_xlabel('pixels')
self.w.ax2.set_title('FWHM')
self.w.ax.grid(True)
canvas = self.w.canvas2
nb.add_widget(Widgets.wrap(canvas), title="FWHM")
## self.msgFont = self.fv.getFont("sansFont", 12)
## tw = Widgets.TextArea(wrap=True, editable=False)
## tw.set_font(self.msgFont)
## self.tw = tw
## fr = Widgets.Frame("Instructions")
## vbox2 = Widgets.VBox()
## vbox2.add_widget(tw)
## vbox2.add_widget(Widgets.Label(''), stretch=1)
## fr.set_widget(vbox2)
## vbox.add_widget(fr, stretch=0)
vpaned.add_widget(Widgets.Label(''))
vbox.add_widget(vpaned, stretch=1)
fr = Widgets.Frame("Pick")
nb = Widgets.TabWidget(tabpos='bottom')
self.w.nb2 = nb
# Build report panel
captions = (
('Zoom:', 'label', 'Zoom', 'llabel', 'Contour Zoom:', 'label',
'Contour Zoom', 'llabel'),
('Object_X', 'label', 'Object_X', 'llabel', 'Object_Y', 'label',
'Object_Y', 'llabel'),
('RA:', 'label', 'RA', 'llabel', 'DEC:', 'label', 'DEC', 'llabel'),
('Equinox:', 'label', 'Equinox', 'llabel', 'Background:', 'label',
'Background', 'llabel'),
('Sky Level:', 'label', 'Sky Level', 'llabel', 'Brightness:',
'label', 'Brightness', 'llabel'),
('FWHM X:', 'label', 'FWHM X', 'llabel', 'FWHM Y:', 'label',
'FWHM Y', 'llabel'),
('FWHM:', 'label', 'FWHM', 'llabel', 'Star Size:', 'label',
'Star Size', 'llabel'),
('Sample Area:', 'label', 'Sample Area', 'llabel',
'Default Region', 'button'),
)
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
b.zoom.set_text(self.fv.scale2text(di.get_scale()))
self.wdetail = b
b.default_region.add_callback('activated',
lambda w: self.reset_region())
b.default_region.set_tooltip("Reset region size to default")
vbox1 = Widgets.VBox()
vbox1.add_widget(w, stretch=0)
# spacer
vbox1.add_widget(Widgets.Label(''), stretch=0)
# Pick field evaluation status
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
label = Widgets.Label()
#label.set_alignment(0.05, 0.5)
self.w.eval_status = label
hbox.add_widget(self.w.eval_status, stretch=0)
hbox.add_widget(Widgets.Label(''), stretch=1)
vbox1.add_widget(hbox, stretch=0)
# Pick field evaluation progress bar and stop button
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
btn = Widgets.Button("Stop")
btn.add_callback('activated', lambda w: self.eval_intr())
btn.set_enabled(False)
self.w.btn_intr_eval = btn
hbox.add_widget(btn, stretch=0)
self.w.eval_pgs = Widgets.ProgressBar()
hbox.add_widget(self.w.eval_pgs, stretch=1)
vbox1.add_widget(hbox, stretch=0)
nb.add_widget(vbox1, title="Readout")
# Build settings panel
captions = (
('Show Candidates', 'checkbutton'),
('Radius:', 'label', 'xlbl_radius', 'label', 'Radius',
'spinbutton'),
('Threshold:', 'label', 'xlbl_threshold', 'label', 'Threshold',
'entry'),
('Min FWHM:', 'label', 'xlbl_min_fwhm', 'label', 'Min FWHM',
'spinbutton'),
('Max FWHM:', 'label', 'xlbl_max_fwhm', 'label', 'Max FWHM',
'spinbutton'),
('Ellipticity:', 'label', 'xlbl_ellipticity', 'label',
'Ellipticity', 'entry'),
('Edge:', 'label', 'xlbl_edge', 'label', 'Edge', 'entry'),
('Max side:', 'label', 'xlbl_max_side', 'label', 'Max side',
'spinbutton'),
('Redo Pick', 'button'),
)
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
b.radius.set_tooltip("Radius for peak detection")
b.threshold.set_tooltip("Threshold for peak detection (blank=default)")
b.min_fwhm.set_tooltip("Minimum FWHM for selection")
b.max_fwhm.set_tooltip("Maximum FWHM for selection")
b.ellipticity.set_tooltip("Minimum ellipticity for selection")
b.edge.set_tooltip("Minimum edge distance for selection")
b.show_candidates.set_tooltip("Show all peak candidates")
# radius control
#b.radius.set_digits(2)
#b.radius.set_numeric(True)
b.radius.set_limits(5.0, 200.0, incr_value=1.0)
b.radius.set_value(self.radius)
def chg_radius(w, val):
self.radius = float(val)
self.w.xlbl_radius.set_text(str(self.radius))
return True
b.xlbl_radius.set_text(str(self.radius))
b.radius.add_callback('value-changed', chg_radius)
# threshold control
def chg_threshold(w):
threshold = None
ths = w.get_text().strip()
if len(ths) > 0:
threshold = float(ths)
self.threshold = threshold
self.w.xlbl_threshold.set_text(str(self.threshold))
return True
b.xlbl_threshold.set_text(str(self.threshold))
b.threshold.add_callback('activated', chg_threshold)
# min fwhm
#b.min_fwhm.set_digits(2)
#b.min_fwhm.set_numeric(True)
b.min_fwhm.set_limits(0.1, 200.0, incr_value=0.1)
b.min_fwhm.set_value(self.min_fwhm)
def chg_min(w, val):
self.min_fwhm = float(val)
self.w.xlbl_min_fwhm.set_text(str(self.min_fwhm))
return True
b.xlbl_min_fwhm.set_text(str(self.min_fwhm))
b.min_fwhm.add_callback('value-changed', chg_min)
# max fwhm
#b.max_fwhm.set_digits(2)
#b.max_fwhm.set_numeric(True)
b.max_fwhm.set_limits(0.1, 200.0, incr_value=0.1)
b.max_fwhm.set_value(self.max_fwhm)
def chg_max(w, val):
self.max_fwhm = float(val)
self.w.xlbl_max_fwhm.set_text(str(self.max_fwhm))
return True
b.xlbl_max_fwhm.set_text(str(self.max_fwhm))
b.max_fwhm.add_callback('value-changed', chg_max)
# Ellipticity control
def chg_ellipticity(w):
minellipse = None
val = w.get_text().strip()
if len(val) > 0:
minellipse = float(val)
self.min_ellipse = minellipse
self.w.xlbl_ellipticity.set_text(str(self.min_ellipse))
return True
b.xlbl_ellipticity.set_text(str(self.min_ellipse))
b.ellipticity.add_callback('activated', chg_ellipticity)
# Edge control
def chg_edgew(w):
edgew = None
val = w.get_text().strip()
if len(val) > 0:
edgew = float(val)
self.edgew = edgew
self.w.xlbl_edge.set_text(str(self.edgew))
return True
b.xlbl_edge.set_text(str(self.edgew))
b.edge.add_callback('activated', chg_edgew)
#b.max_side.set_digits(0)
#b.max_side.set_numeric(True)
b.max_side.set_limits(5, 10000, incr_value=10)
b.max_side.set_value(self.max_side)
def chg_max_side(w, val):
self.max_side = int(val)
self.w.xlbl_max_side.set_text(str(self.max_side))
return True
b.xlbl_max_side.set_text(str(self.max_side))
b.max_side.add_callback('value-changed', chg_max_side)
b.redo_pick.add_callback('activated', lambda w: self.redo())
b.show_candidates.set_state(self.show_candidates)
b.show_candidates.add_callback('activated', self.show_candidates_cb)
nb.add_widget(w, title="Settings")
# Build controls panel
captions = (
('Sky cut', 'button', 'Delta sky:', 'label', 'xlbl_delta_sky',
'label', 'Delta sky', 'entry'),
('Bright cut', 'button', 'Delta bright:', 'label',
'xlbl_delta_bright', 'label', 'Delta bright', 'entry'),
)
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
b.sky_cut.set_tooltip("Set image low cut to Sky Level")
b.delta_sky.set_tooltip("Delta to apply to low cut")
b.bright_cut.set_tooltip("Set image high cut to Sky Level+Brightness")
b.delta_bright.set_tooltip("Delta to apply to high cut")
b.sky_cut.set_enabled(False)
self.w.btn_sky_cut = b.sky_cut
self.w.btn_sky_cut.add_callback('activated', lambda w: self.sky_cut())
self.w.sky_cut_delta = b.delta_sky
b.xlbl_delta_sky.set_text(str(self.delta_sky))
b.delta_sky.set_text(str(self.delta_sky))
def chg_delta_sky(w):
delta_sky = 0.0
val = w.get_text().strip()
if len(val) > 0:
delta_sky = float(val)
self.delta_sky = delta_sky
self.w.xlbl_delta_sky.set_text(str(self.delta_sky))
return True
b.delta_sky.add_callback('activated', chg_delta_sky)
b.bright_cut.set_enabled(False)
self.w.btn_bright_cut = b.bright_cut
self.w.btn_bright_cut.add_callback('activated',
lambda w: self.bright_cut())
self.w.bright_cut_delta = b.delta_bright
b.xlbl_delta_bright.set_text(str(self.delta_bright))
b.delta_bright.set_text(str(self.delta_bright))
def chg_delta_bright(w):
delta_bright = 0.0
val = w.get_text().strip()
if len(val) > 0:
delta_bright = float(val)
self.delta_bright = delta_bright
self.w.xlbl_delta_bright.set_text(str(self.delta_bright))
return True
b.delta_bright.add_callback('activated', chg_delta_bright)
nb.add_widget(w, title="Controls")
vbox3 = Widgets.VBox()
msgFont = self.fv.getFont("fixedFont", 10)
tw = Widgets.TextArea(wrap=False, editable=True)
tw.set_font(msgFont)
self.w.report = tw
sw1 = Widgets.ScrollArea()
sw1.set_widget(tw)
vbox3.add_widget(sw1, stretch=1)
tw.append_text(self._mkreport_header())
btns = Widgets.HBox()
btns.set_spacing(4)
btn = Widgets.Button("Add Pick")
btn.add_callback('activated', lambda w: self.add_pick_cb())
btns.add_widget(btn)
btn = Widgets.CheckBox("Record Picks")
btn.set_state(self.do_record)
btn.add_callback('activated', self.record_cb)
btns.add_widget(btn)
btns.add_widget(Widgets.Label(''), stretch=1)
vbox3.add_widget(btns, stretch=0)
nb.add_widget(vbox3, title="Report")
## vbox4 = Widgets.VBox()
## tw = Widgets.TextArea(wrap=False, editable=True)
## tw.set_font(msgFont)
## self.w.correct = tw
## sw1 = Widgets.ScrollArea()
## sw1.set_widget(tw)
## vbox4.add_widget(sw1, stretch=1)
## tw.append_text("# paste a reference report here")
## btns = Widgets.HBox()
## btns.set_spacing(4)
## btn = Widgets.Button("Correct WCS")
## btn.add_callback('activated', lambda w: self.correct_wcs())
## btns.add_widget(btn)
## vbox4.add_widget(btns, stretch=0)
## nb.add_widget(vbox4, title="Correct")
fr.set_widget(nb)
vbox.add_widget(fr, stretch=0)
## spacer = Widgets.Label('')
## vbox.add_widget(spacer, stretch=1)
vtop.add_widget(sw, stretch=1)
btns = Widgets.HBox()
btns.set_spacing(4)
btn = Widgets.Button("Close")
btn.add_callback('activated', lambda w: self.close())
btns.add_widget(btn)
btns.add_widget(Widgets.Label(''), stretch=1)
vtop.add_widget(btns, stretch=0)
container.add_widget(vtop, stretch=1)
def build_gui(self, container):
top = Widgets.VBox()
top.set_border_width(4)
vbox1, sw, orientation = Widgets.get_oriented_box(container)
vbox1.set_border_width(4)
vbox1.set_spacing(2)
self.msgFont = self.fv.getFont("sansFont", 12)
tw = Widgets.TextArea(wrap=True, editable=False)
tw.set_font(self.msgFont)
self.tw = tw
fr = Widgets.Frame("Instructions")
vbox2 = Widgets.VBox()
vbox2.add_widget(tw)
vbox2.add_widget(Widgets.Label(''), stretch=1)
fr.set_widget(vbox2)
vbox1.add_widget(fr, stretch=0)
# Main pipeline control area
captions = [
("Subtract Bias", 'button', "Bias Image:", 'label',
'bias_image', 'llabel'),
("Apply Flat Field", 'button', "Flat Image:", 'label',
'flat_image', 'llabel'),
]
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
fr = Widgets.Frame("Pipeline")
fr.set_widget(w)
vbox1.add_widget(fr, stretch=0)
b.subtract_bias.add_callback('activated', self.subtract_bias_cb)
b.subtract_bias.set_tooltip("Subtract a bias image")
bias_name = 'None'
if self.bias != None:
bias_name = self.bias.get('name', "NoName")
b.bias_image.set_text(bias_name)
b.apply_flat_field.add_callback('activated', self.apply_flat_cb)
b.apply_flat_field.set_tooltip("Apply a flat field correction")
flat_name = 'None'
if self.flat != None:
flat_name = self.flat.get('name', "NoName")
b.flat_image.set_text(flat_name)
vbox2 = Widgets.VBox()
# Pipeline status
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
label = Widgets.Label()
self.w.eval_status = label
hbox.add_widget(self.w.eval_status, stretch=0)
hbox.add_widget(Widgets.Label(''), stretch=1)
vbox2.add_widget(hbox, stretch=0)
# progress bar and stop button
hbox = Widgets.HBox()
hbox.set_spacing(4)
hbox.set_border_width(4)
btn = Widgets.Button("Stop")
btn.add_callback('activated', lambda w: self.eval_intr())
btn.set_enabled(False)
self.w.btn_intr_eval = btn
hbox.add_widget(btn, stretch=0)
self.w.eval_pgs = Widgets.ProgressBar()
hbox.add_widget(self.w.eval_pgs, stretch=1)
vbox2.add_widget(hbox, stretch=0)
vbox2.add_widget(Widgets.Label(''), stretch=1)
vbox1.add_widget(vbox2, stretch=0)
# Image list
captions = [
("Append", 'button', "Prepend", 'button', "Clear", 'button'),
]
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
fr = Widgets.Frame("Image Stack")
vbox = Widgets.VBox()
hbox = Widgets.HBox()
self.w.stack = Widgets.Label('')
hbox.add_widget(self.w.stack, stretch=0)
vbox.add_widget(hbox, stretch=0)
vbox.add_widget(w, stretch=0)
fr.set_widget(vbox)
vbox1.add_widget(fr, stretch=0)
self.update_stack_gui()
b.append.add_callback('activated', self.append_image_cb)
b.append.set_tooltip("Append an individual image to the stack")
b.prepend.add_callback('activated', self.prepend_image_cb)
b.prepend.set_tooltip("Prepend an individual image to the stack")
b.clear.add_callback('activated', self.clear_stack_cb)
b.clear.set_tooltip("Clear the stack of images")
# Bias
captions = [
("Make Bias", 'button', "Set Bias", 'button'),
]
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
fr = Widgets.Frame("Bias Subtraction")
fr.set_widget(w)
vbox1.add_widget(fr, stretch=0)
b.make_bias.add_callback('activated', self.make_bias_cb)
b.make_bias.set_tooltip("Makes a bias image from a stack of individual images")
b.set_bias.add_callback('activated', self.set_bias_cb)
b.set_bias.set_tooltip("Set the currently loaded image as the bias image")
# Flat fielding
captions = [
("Make Flat Field", 'button', "Set Flat Field", 'button'),
]
w, b = Widgets.build_info(captions, orientation=orientation)
self.w.update(b)
fr = Widgets.Frame("Flat Fielding")
fr.set_widget(w)
vbox1.add_widget(fr, stretch=0)
b.make_flat_field.add_callback('activated', self.make_flat_cb)
b.make_flat_field.set_tooltip("Makes a flat field from a stack of individual flats")
b.set_flat_field.add_callback('activated', self.set_flat_cb)
b.set_flat_field.set_tooltip("Set the currently loaded image as the flat field")
spacer = Widgets.Label('')
vbox1.add_widget(spacer, stretch=1)
top.add_widget(sw, stretch=1)
btns = Widgets.HBox()
btns.set_spacing(3)
btn = Widgets.Button("Close")
btn.add_callback('activated', lambda w: self.close())
btns.add_widget(btn, stretch=0)
btns.add_widget(Widgets.Label(''), stretch=1)
top.add_widget(btns, stretch=0)
container.add_widget(top, stretch=1)
self.gui_up = True
