class DataManager(Gtk.Window):
"""
https://matplotlib.org/gallery/user_interfaces/gtk_spreadsheet_sgskip.html
"""
def __init__(self):
Gtk.Window.__init__(self, title="GtkListStore demo")
self.connect("delete-event", Gtk.main_quit)
# self.connect("destroy", Gtk.main_quit) # no difference?
xpix, ypix, dpi = 600, 600, 100
self.set_default_size(xpix, ypix)
self.set_border_width(8)
# -- overall window box
# docs recommend we switch this Gtk.Box to a Gtk.Grid
# https://lazka.github.io/pgi-docs/#Gtk-3.0/classes/VBox.html#Gtk.VBox
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(vbox)
label = Gtk.Label(label='Double click a row to plot the data')
vbox.pack_start(label, False, False, 0)
# -- ScrolledWindow to hold our data table
self.sw = Gtk.ScrolledWindow()
self.sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
self.sw.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
vbox.pack_start(self.sw, True, True, 0)
# set data
self.nrows, self.ncols = 20, 10
self.data = np.random.random((self.nrows, self.ncols))
# declare the model (a Gtk.ListStore) and TreeView for our data table
model = self.create_table()
self.treeview = Gtk.TreeView(model=model)
# -- Figure for the plot of each row
fig = Figure(figsize=(xpix / dpi, ypix / dpi), dpi=dpi)
self.set_default_size(xpix, ypix)
self.canvas = FigureCanvas(fig)
vbox.pack_start(self.canvas, True, True, 0)
ax = fig.add_subplot(111)
self.line, = ax.plot(self.data[0, :], 'go') # plot first row
# -- set an action: update plot when you dblclick a row
self.treeview.connect('row-activated', self.plot_row)
self.sw.add(self.treeview)
self.add_columns() # load our data
self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK
| Gdk.EventMask.KEY_PRESS_MASK
| Gdk.EventMask.KEY_RELEASE_MASK)
def create_table(self):
"""
create a Gtk.ListStore from a big tuple.
I bet we could convert this to a pd.DataFrame
"""
types = [float] * self.ncols
store = Gtk.ListStore(*types)
for row in self.data:
store.append(tuple(row))
return store
def add_columns(self):
for i in range(self.ncols):
column = Gtk.TreeViewColumn(str(i), Gtk.CellRendererText(), text=i)
self.treeview.append_column(column)
def plot_row(self, treeview, path, view_column):
idx, = path
points = self.data[idx, :]
self.line.set_ydata(points)
self.canvas.draw()
class DataManager(Gtk.Window):
num_rows, num_cols = 20, 10
data = random((num_rows, num_cols))
def __init__(self):
super().__init__()
self.set_default_size(600, 600)
self.connect('destroy', lambda win: Gtk.main_quit())
self.set_title('GtkListStore demo')
self.set_border_width(8)
vbox = Gtk.VBox(homogeneous=False, spacing=8)
self.add(vbox)
label = Gtk.Label(label='Double click a row to plot the data')
vbox.pack_start(label, False, False, 0)
sw = Gtk.ScrolledWindow()
sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
sw.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
vbox.pack_start(sw, True, True, 0)
model = self.create_model()
self.treeview = Gtk.TreeView(model=model)
# Matplotlib stuff
fig = Figure(figsize=(6, 4))
self.canvas = FigureCanvas(fig) # a Gtk.DrawingArea
vbox.pack_start(self.canvas, True, True, 0)
ax = fig.add_subplot()
self.line, = ax.plot(self.data[0, :], 'go') # plot the first row
self.treeview.connect('row-activated', self.plot_row)
sw.add(self.treeview)
self.add_columns()
self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK
| Gdk.EventMask.KEY_PRESS_MASK
| Gdk.EventMask.KEY_RELEASE_MASK)
def plot_row(self, treeview, path, view_column):
ind, = path # get the index into data
points = self.data[ind, :]
self.line.set_ydata(points)
self.canvas.draw()
def add_columns(self):
for i in range(self.num_cols):
column = Gtk.TreeViewColumn(str(i), Gtk.CellRendererText(), text=i)
self.treeview.append_column(column)
def create_model(self):
types = [float] * self.num_cols
store = Gtk.ListStore(*types)
for row in self.data:
store.append(tuple(row))
return store
class DataManager(Gtk.Window):
numRows, numCols = 20, 10
data = random((numRows, numCols))
def __init__(self):
Gtk.Window.__init__(self)
self.set_default_size(600, 600)
self.connect('destroy', lambda win: Gtk.main_quit())
self.set_title('GtkListStore demo')
self.set_border_width(8)
vbox = Gtk.VBox(False, 8)
self.add(vbox)
label = Gtk.Label('Double click a row to plot the data')
vbox.pack_start(label, False, False, 0)
sw = Gtk.ScrolledWindow()
sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
sw.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
vbox.pack_start(sw, True, True, 0)
model = self.create_model()
self.treeview = Gtk.TreeView(model)
self.treeview.set_rules_hint(True)
# matplotlib stuff
fig = Figure(figsize=(6, 4))
self.canvas = FigureCanvas(fig) # a Gtk.DrawingArea
vbox.pack_start(self.canvas, True, True, 0)
ax = fig.add_subplot(111)
self.line, = ax.plot(self.data[0, :], 'go') # plot the first row
self.treeview.connect('row-activated', self.plot_row)
sw.add(self.treeview)
self.add_columns()
self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK |
Gdk.EventMask.KEY_PRESS_MASK |
Gdk.EventMask.KEY_RELEASE_MASK)
def plot_row(self, treeview, path, view_column):
ind, = path # get the index into data
points = self.data[ind, :]
self.line.set_ydata(points)
self.canvas.draw()
def add_columns(self):
for i in range(self.numCols):
column = Gtk.TreeViewColumn(str(i), Gtk.CellRendererText(), text=i)
self.treeview.append_column(column)
def create_model(self):
types = [float]*self.numCols
store = Gtk.ListStore(*types)
for row in self.data:
store.append(tuple(row))
return store
