Statusbar

Author: OceanWolf

lib/matplotlib/backend_bases.py

@@ -33,6 +33,8 @@
 :class:`ToolContainerBase`
      The base class for the Toolbar class of each interactive backend.
 
+:class:`StatusbarBase`
+    The base class for the messaging area.
 """
 
 from __future__ import (absolute_import, division, print_function,
@@ -3605,15 +3607,9 @@ class ToolContainerBase(object):
 
     def __init__(self, navigation):
         self.navigation = navigation
-
-        self.navigation.nav_connect('tool_message_event', self._message_cbk)
         self.navigation.nav_connect('tool_removed_event',
                                     self._remove_tool_cbk)
 
-    def _message_cbk(self, event):
-        """Captures the 'tool_message_event' to set the message on the toolbar"""
-        self.set_message(event.message)
-
     def _tool_toggled_cbk(self, event):
         """Captures the 'tool-trigger-toolname
 
@@ -3714,17 +3710,6 @@ def add_toolitem(self, name, group, position, image, description, toggle):
 
         raise NotImplementedError
 
-    def set_message(self, s):
-        """Display a message on toolbar or in status bar
-
-        Parameters
-        ----------
-        s : String
-            Message text
-        """
-
-        pass
-
     def toggle_toolitem(self, name, toggled):
         """Toggle the toolitem without firing event
 
@@ -3752,3 +3737,25 @@ def remove_toolitem(self, name):
         """
 
         raise NotImplementedError
+
+
+class StatusbarBase(object):
+    """Base class for the statusbar"""
+    def __init__(self, navigation):
+        self.navigation = navigation
+        self.navigation.nav_connect('tool_message_event', self._message_cbk)
+
+    def _message_cbk(self, event):
+        """Captures the 'tool_message_event' and set the message"""
+        self.set_message(event.message)
+
+    def set_message(self, s):
+        """Display a message on toolbar or in status bar
+
+        Parameters
+        ----------
+        s : str
+            Message text
+        """
+
+        pass

lib/matplotlib/backend_tools.py

@@ -921,7 +921,7 @@ def _mouse_move(self, event):
 """Default tools"""
 
 toolbar_tools = [['navigation', ['home', 'back', 'forward']],
-                  ['zoompan', ['zoom', 'pan']],
-                  ['layout', ['subplots']],
-                  ['io', ['save']]]
+                 ['zoompan', ['zoom', 'pan']],
+                 ['layout', ['subplots']],
+                 ['io', ['save']]]
 """Default tools in the toolbar"""

lib/matplotlib/backends/backend_gtk3.py

@@ -30,9 +30,10 @@ def fn_name(): return sys._getframe(1).f_code.co_name
 from matplotlib._pylab_helpers import Gcf
 from matplotlib.backend_bases import RendererBase, GraphicsContextBase, \
      FigureManagerBase, FigureCanvasBase, NavigationToolbar2, cursors, TimerBase
-from matplotlib.backend_bases import ShowBase, ToolContainerBase, NavigationBase
-from matplotlib.backend_tools import SaveFigureBase, ConfigureSubplotsBase, \
-    tools, toolbar_tools, SetCursorBase, RubberbandBase
+from matplotlib.backend_bases import (ShowBase, ToolContainerBase,
+                                      NavigationBase, StatusbarBase)
+from matplotlib.backend_tools import (SaveFigureBase, ConfigureSubplotsBase,
+    tools, toolbar_tools, SetCursorBase, RubberbandBase)
 
 from matplotlib.cbook import is_string_like, is_writable_file_like
 from matplotlib.colors import colorConverter
@@ -416,22 +417,30 @@ def __init__(self, canvas, num):
         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.navigation = self._get_navigation()
         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 matplotlib.rcParams['toolbar'] == 'navigation':
             self.navigation.add_tools(tools)
             self.toolbar.add_tools(toolbar_tools)
-
-        # calculate size for window
-        w = int (self.canvas.figure.bbox.width)
-        h = int (self.canvas.figure.bbox.height)
+            self.statusbar = StatusbarGTK3(self.navigation)
+            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()
-            self.vbox.pack_end(self.toolbar, False, False, 0)
-            size_request = self.toolbar.size_request()
-            h += size_request.height
+            h += add_widget(self.toolbar, False, False, 0)
 
         self.window.set_default_size (w, h)
 
@@ -767,23 +776,6 @@ def __init__(self, navigation):
         self.pack_start(self._toolbar, False, False, 0)
         self._toolbar.show_all()
         self._toolitems = {}
-        self._setup_message_area()
-
-    def _setup_message_area(self):
-        box = Gtk.Box()
-        box.set_property("orientation", Gtk.Orientation.HORIZONTAL)
-        sep = Gtk.Separator()
-        sep.set_property("orientation", Gtk.Orientation.VERTICAL)
-        box.pack_start(sep, False, True, 0)
-        self.message = Gtk.Label()
-        box.pack_end(self.message, False, False, 0)
-        self.pack_end(box, False, False, 5)
-        box.show_all()
-
-        sep = Gtk.Separator()
-        sep.set_property("orientation", Gtk.Orientation.HORIZONTAL)
-        self.pack_end(sep, False, True, 0)
-        sep.show_all()
 
     def add_toolitem(self, name, group, position, image_file, description,
                      toggle):
@@ -811,9 +803,6 @@ def add_toolitem(self, name, group, position, image_file, description,
     def _call_tool(self, btn, name):
         self.trigger_tool(name)
 
-    def set_message(self, s):
-        self.message.set_label(s)
-
     def toggle_toolitem(self, name, toggled):
         if name not in self._toolitems:
             return
@@ -824,9 +813,9 @@ def toggle_toolitem(self, name, toggled):
 
     def remove_toolitem(self, name):
         if name not in self._toolitems:
-            self.set_message('%s Not in toolbar' % name)
+            self.navigation.message_event('%s Not in toolbar' % name, self)
             return
-        for toolitem, signal in self._toolitems[name]:
+        for toolitem, _signal in self._toolitems[name]:
             self._toolbar.remove(toolitem)
         del self._toolitems[name]
 
@@ -837,6 +826,17 @@ def add_separator(self, pos=-1):
         return toolitem
 
 
+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 SaveFigureGTK3(SaveFigureBase):
 
     def get_filechooser(self):