DOC: Convert remaining GTK2 examples to GTK3.

QuLogic · QuLogic · commit 56947bdc9638 · 2018-03-03T21:12:29.000-05:00
diff --git a/examples/user_interfaces/gtk_spreadsheet_sgskip.py b/examples/user_interfaces/gtk_spreadsheet_sgskip.py
@@ -8,55 +8,54 @@
 data
 
 """
-import pygtk
-pygtk.require('2.0')
-import gtk
-from gtk import gdk
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('Gdk', '3.0')
+from gi.repository import Gtk, Gdk
 
-import matplotlib
-matplotlib.use('GTKAgg')  # or 'GTK'
-from matplotlib.backends.backend_gtk import FigureCanvasGTK as FigureCanvas
+from matplotlib.backends.backend_gtk3agg import FigureCanvas
+# from matplotlib.backends.backend_gtk3cairo import FigureCanvas
 
 from numpy.random import random
 from matplotlib.figure import Figure
 
 
-class DataManager(gtk.Window):
+class DataManager(Gtk.Window):
     numRows, numCols = 20, 10
 
     data = random((numRows, numCols))
 
     def __init__(self):
-        gtk.Window.__init__(self)
+        Gtk.Window.__init__(self)
         self.set_default_size(600, 600)
-        self.connect('destroy', lambda win: gtk.main_quit())
+        self.connect('destroy', lambda win: Gtk.main_quit())
 
         self.set_title('GtkListStore demo')
         self.set_border_width(8)
 
-        vbox = gtk.VBox(False, 8)
+        vbox = Gtk.VBox(False, 8)
         self.add(vbox)
 
-        label = gtk.Label('Double click a row to plot the data')
+        label = Gtk.Label('Double click a row to plot the data')
 
-        vbox.pack_start(label, False, False)
+        vbox.pack_start(label, False, False, 0)
 
-        sw = gtk.ScrolledWindow()
-        sw.set_shadow_type(gtk.SHADOW_ETCHED_IN)
-        sw.set_policy(gtk.POLICY_NEVER,
-                      gtk.POLICY_AUTOMATIC)
-        vbox.pack_start(sw, True, True)
+        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 = 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)
+        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
 
@@ -65,9 +64,9 @@ def __init__(self):
 
         self.add_columns()
 
-        self.add_events(gdk.BUTTON_PRESS_MASK |
-                        gdk.KEY_PRESS_MASK |
-                        gdk.KEY_RELEASE_MASK)
+        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
@@ -77,18 +76,18 @@ def plot_row(self, treeview, path, view_column):
 
     def add_columns(self):
         for i in range(self.numCols):
-            column = gtk.TreeViewColumn('%d' % i, gtk.CellRendererText(), text=i)
+            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)
+        store = Gtk.ListStore(*types)
 
         for row in self.data:
-            store.append(row)
+            store.append(tuple(row))
         return store
 
 
 manager = DataManager()
 manager.show_all()
-gtk.main()
+Gtk.main()
diff --git a/examples/user_interfaces/pylab_with_gtk_sgskip.py b/examples/user_interfaces/pylab_with_gtk_sgskip.py
@@ -7,7 +7,7 @@
 modify the GUI by accessing the underlying gtk widgets
 """
 import matplotlib
-matplotlib.use('GTKAgg')
+matplotlib.use('GTK3Agg')  # or 'GTK3Cairo'
 import matplotlib.pyplot as plt
 
 
@@ -22,32 +22,32 @@
 toolbar = manager.toolbar
 
 # now let's add a button to the toolbar
-import gtk
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
 next = 8  # where to insert this in the mpl toolbar
-button = gtk.Button('Click me')
+button = Gtk.Button('Click me')
 button.show()
 
 
 def clicked(button):
     print('hi mom')
 button.connect('clicked', clicked)
 
-toolitem = gtk.ToolItem()
+toolitem = Gtk.ToolItem()
 toolitem.show()
-toolitem.set_tooltip(
-    toolbar.tooltips,
-    'Click me for fun and profit')
+toolitem.set_tooltip_text('Click me for fun and profit')
 
 toolitem.add(button)
 toolbar.insert(toolitem, next)
 next += 1
 
 # now let's add a widget to the vbox
-label = gtk.Label()
+label = Gtk.Label()
 label.set_markup('Drag mouse over axes for position')
 label.show()
 vbox = manager.vbox
-vbox.pack_start(label, False, False)
+vbox.pack_start(label, False, False, 0)
 vbox.reorder_child(manager.toolbar, -1)
 
 
