--- /dev/null
+#
+# BitBake Graphical GTK User Interface
+#
+# Copyright (C) 2012 Intel Corporation
+#
+# Authored by Joshua Lock <josh@linux.intel.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import gobject
+import gtk
+
+class PersistentTooltip(gtk.Window):
+ """
+ A tooltip which persists once shown until the user dismisses it with the Esc
+ key or by clicking the close button.
+
+ # FIXME: the PersistentTooltip should be disabled when the user clicks anywhere off
+ # it. We can't do this with focus-out-event becuase modal ensures we have focus?
+
+ markup: some Pango text markup to display in the tooltip
+ """
+ def __init__(self, markup):
+ gtk.Window.__init__(self, gtk.WINDOW_POPUP)
+
+ # We need to ensure we're only shown once
+ self.shown = False
+
+ # We don't want any WM decorations
+ self.set_decorated(False)
+ # We don't want to show in the taskbar or window switcher
+ self.set_skip_pager_hint(True)
+ self.set_skip_taskbar_hint(True)
+ # We must be modal to ensure we grab focus when presented from a gtk.Dialog
+ self.set_modal(True)
+
+ self.set_border_width(6)
+ self.set_position(gtk.WIN_POS_MOUSE)
+ self.set_opacity(0.95)
+
+ # Draw our label and close buttons
+ hbox = gtk.HBox(False, 0)
+ hbox.show()
+ vbox = gtk.VBox(False, 0)
+ vbox.show()
+ vbox.pack_start(hbox, True, True, 0)
+
+ img = gtk.Image()
+ img.set_from_stock(gtk.STOCK_CLOSE, gtk.ICON_SIZE_BUTTON)
+
+ self.button = gtk.Button()
+ self.button.set_image(img)
+ self.button.connect("clicked", self._dismiss_cb)
+ self.button.set_can_default(True)
+ self.button.grab_focus()
+ self.button.show()
+ hbox.pack_end(self.button, False, False, 0)
+
+ self.set_default(self.button)
+
+ self.label = gtk.Label()
+ self.label.set_markup(markup)
+ self.label.show()
+ vbox.pack_end(self.label, True, True, 6)
+
+ self.connect("key-press-event", self._catch_esc_cb)
+
+ # Inherit the system theme for a tooltip
+ style = gtk.rc_get_style_by_paths(gtk.settings_get_default(),
+ 'gtk-tooltip', 'gtk-tooltip', gobject.TYPE_NONE)
+ self.set_style(style)
+
+ self.add(vbox)
+
+ """
+ Callback when the PersistentTooltip's close button is clicked.
+ Hides the PersistentTooltip.
+ """
+ def _dismiss_cb(self, button):
+ self.hide()
+ return True
+
+ """
+ Callback when the Esc key is detected. Hides the PersistentTooltip.
+ """
+ def _catch_esc_cb(self, widget, event):
+ keyname = gtk.gdk.keyval_name(event.keyval)
+ if keyname == "Escape":
+ self.hide()
+ return True
+
+ """
+ Called to present the PersistentTooltip.
+ Overrides the superclasses show() method to include state tracking.
+ """
+ def show(self):
+ if not self.shown:
+ self.shown = True
+ gtk.Window.show(self)
+
+ """
+ Called to hide the PersistentTooltip.
+ Overrides the superclasses hide() method to include state tracking.
+ """
+ def hide(self):
+ self.shown = False
+ gtk.Window.hide(self)