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When the user is running a desktop where the close button is on the left we try to detect that and position the tooltip close button appropriately. Where we can't easily determine this we default to placing the close button on the right. Tested on Ubuntu/Unity and Fedora/Gnome Shell. (Bitbake rev: 09147098a63c33dc05dc39b7fe4da4df8e2dbd4c) Signed-off-by: Joshua Lock <josh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
141 lines
4.0 KiB
Python
141 lines
4.0 KiB
Python
#
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# BitBake Graphical GTK User Interface
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#
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# Copyright (C) 2012 Intel Corporation
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#
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# Authored by Joshua Lock <josh@linux.intel.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import gobject
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import gtk
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try:
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import gconf
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except:
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pass
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class PersistentTooltip(gtk.Window):
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"""
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A tooltip which persists once shown until the user dismisses it with the Esc
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key or by clicking the close button.
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# FIXME: the PersistentTooltip should be disabled when the user clicks anywhere off
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# it. We can't do this with focus-out-event becuase modal ensures we have focus?
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markup: some Pango text markup to display in the tooltip
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"""
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def __init__(self, markup):
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gtk.Window.__init__(self, gtk.WINDOW_POPUP)
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# The placement of the close button on the tip should reflect how the
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# window manager of the users system places close buttons. Try to read
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# the metacity gconf key to determine whether the close button is on the
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# left or the right.
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# In the case that we can't determine the users configuration we default
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# to close buttons being on the right.
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__button_right = True
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try:
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client = gconf.client_get_default()
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order = client.get_string("/apps/metacity/general/button_layout")
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if order and order.endswith(":"):
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__button_right = False
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except NameError:
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pass
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# We need to ensure we're only shown once
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self.shown = False
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# We don't want any WM decorations
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self.set_decorated(False)
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# We don't want to show in the taskbar or window switcher
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self.set_skip_pager_hint(True)
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self.set_skip_taskbar_hint(True)
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# We must be modal to ensure we grab focus when presented from a gtk.Dialog
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self.set_modal(True)
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self.set_border_width(6)
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self.set_position(gtk.WIN_POS_MOUSE)
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self.set_opacity(0.95)
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# Draw our label and close buttons
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hbox = gtk.HBox(False, 0)
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hbox.show()
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vbox = gtk.VBox(False, 0)
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vbox.show()
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vbox.pack_start(hbox, True, True, 0)
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img = gtk.Image()
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img.set_from_stock(gtk.STOCK_CLOSE, gtk.ICON_SIZE_BUTTON)
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self.button = gtk.Button()
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self.button.set_image(img)
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self.button.connect("clicked", self._dismiss_cb)
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self.button.set_can_default(True)
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self.button.grab_focus()
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self.button.show()
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if __button_right:
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hbox.pack_end(self.button, False, False, 0)
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else:
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hbox.pack_start(self.button, False, False, 0)
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self.set_default(self.button)
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self.label = gtk.Label()
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self.label.set_markup(markup)
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self.label.show()
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vbox.pack_end(self.label, True, True, 6)
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self.connect("key-press-event", self._catch_esc_cb)
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# Inherit the system theme for a tooltip
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style = gtk.rc_get_style_by_paths(gtk.settings_get_default(),
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'gtk-tooltip', 'gtk-tooltip', gobject.TYPE_NONE)
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self.set_style(style)
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self.add(vbox)
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"""
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Callback when the PersistentTooltip's close button is clicked.
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Hides the PersistentTooltip.
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"""
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def _dismiss_cb(self, button):
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self.hide()
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return True
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"""
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Callback when the Esc key is detected. Hides the PersistentTooltip.
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"""
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def _catch_esc_cb(self, widget, event):
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keyname = gtk.gdk.keyval_name(event.keyval)
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if keyname == "Escape":
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self.hide()
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return True
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"""
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Called to present the PersistentTooltip.
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Overrides the superclasses show() method to include state tracking.
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"""
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def show(self):
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if not self.shown:
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self.shown = True
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gtk.Window.show(self)
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"""
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Called to hide the PersistentTooltip.
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Overrides the superclasses hide() method to include state tracking.
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"""
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def hide(self):
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self.shown = False
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gtk.Window.hide(self)
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