GTK3 implementation of the copy canvas tool

fariza · fariza · commit f0923774e411 · 2018-04-18T14:27:02.000-04:00
diff --git a/lib/matplotlib/backend_tools.py b/lib/matplotlib/backend_tools.py
@@ -1063,6 +1063,13 @@ def _get_help_html(self):
                 "<tbody>".join(rows[1:]) + "</tbody></table>")
 
 
+class ToolCopyToClipboardBase(ToolBase):
+    """Tool to copy the figure to the clipboard"""
+
+    description = 'Copy the canvas figure to clipboard'
+    default_keymap = rcParams['keymap.copy']
+
+
 default_tools = {'home': ToolHome, 'back': ToolBack, 'forward': ToolForward,
                  'zoom': ToolZoom, 'pan': ToolPan,
                  'subplots': 'ToolConfigureSubplots',
@@ -1081,6 +1088,7 @@ def _get_help_html(self):
                  'cursor': 'ToolSetCursor',
                  'rubberband': 'ToolRubberband',
                  'help': 'ToolHelp',
+                 'copy': 'ToolCopyToClipboard',
                  }
 """Default tools"""
 
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
@@ -856,6 +856,15 @@ def trigger(self, *args):
         dialog.destroy()
 
 
+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'
@@ -888,6 +897,7 @@ def error_msg_gtk(msg, parent=None):
 backend_tools.ToolSetCursor = SetCursorGTK3
 backend_tools.ToolRubberband = RubberbandGTK3
 backend_tools.ToolHelp = HelpGTK3
+backend_tools.ToolCopyToClipboard = ToolCopyToClipboardGTK3
 
 Toolbar = ToolbarGTK3
 
diff --git a/lib/matplotlib/rcsetup.py b/lib/matplotlib/rcsetup.py
@@ -1421,6 +1421,7 @@ def _validate_linestyle(ls):
     'keymap.xscale':       [['k', 'L'], validate_stringlist],
     'keymap.all_axes':     [['a'], validate_stringlist],
     'keymap.help':         [['f1'], validate_stringlist],
+    'keymap.copy':         [('ctrl+c', 'cmd+c', 'shift+ctrl+c'), validate_stringlist],
 
     # sample data
     'examples.directory': ['', validate_string],
