637 lines
18 KiB
Python
637 lines
18 KiB
Python
#
|
|
# Copyright (C) 2011, 2013 Red Hat, Inc.
|
|
# Copyright (C) 2011 Cole Robinson <crobinso@redhat.com>
|
|
#
|
|
# Python implementation of autodrawer, originally found in vinagre sources:
|
|
# http://git.gnome.org/browse/vinagre/tree/vinagre/view
|
|
# Copyright (c) 2005 VMware Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
# pylint: disable=E0611
|
|
from gi.repository import Gdk
|
|
from gi.repository import GLib
|
|
from gi.repository import Gtk
|
|
# pylint: enable=E0611
|
|
|
|
from virtManager import uihelpers
|
|
|
|
# pylint: disable=E1101
|
|
# pylint can't detect functions we inheirit from Gtk, ex:
|
|
# OverBox.set_over: Instance of 'OverBox' has no 'remove' member
|
|
|
|
|
|
def rect_print(name, rect):
|
|
# For debugging
|
|
print ("%s: height=%d, width=%d, x=%d, y=%d" %
|
|
(name, rect.height, rect.width, rect.x, rect.y))
|
|
|
|
|
|
class OverBox(Gtk.Box):
|
|
"""
|
|
Implementation of an overlapping box
|
|
"""
|
|
def __init__(self):
|
|
Gtk.Box.__init__(self)
|
|
|
|
self.underWin = None
|
|
self.underWidget = None
|
|
self.overWin = None
|
|
self.overWidget = None
|
|
self.overWidth = -1
|
|
self.overHeight = -1
|
|
self.min = 0
|
|
self._fraction = 0
|
|
self.verticalOffset = 0
|
|
|
|
self.set_has_window(True)
|
|
|
|
####################
|
|
# Internal helpers #
|
|
####################
|
|
|
|
def _get_actual_min(self):
|
|
"""
|
|
Retrieve the actual 'min' value, i.e. a value that is guaranteed
|
|
not to exceed the height of the 'over' child.
|
|
"""
|
|
ret = min(self.min, self.overHeight)
|
|
return ret
|
|
|
|
def _get_under_window_geometry(self):
|
|
geo = Gdk.Rectangle()
|
|
actual_min = self._get_actual_min()
|
|
|
|
geo.x = 0
|
|
geo.y = actual_min
|
|
geo.width = self.get_allocation().width
|
|
geo.height = (self.get_allocation().height - actual_min)
|
|
|
|
return geo
|
|
|
|
def _get_over_window_geometry(self):
|
|
geo = Gdk.Rectangle()
|
|
boxwidth = self.get_allocation().width
|
|
expand = True
|
|
fill = True
|
|
padding = 0
|
|
actual_min = self._get_actual_min()
|
|
|
|
if self.overWidget:
|
|
expand = uihelpers.child_get_property(self, self.overWidget,
|
|
"expand")
|
|
fill = uihelpers.child_get_property(self, self.overWidget, "fill")
|
|
padding = uihelpers.child_get_property(self, self.overWidget,
|
|
"padding")
|
|
|
|
if expand and fill:
|
|
width = boxwidth
|
|
x = 0
|
|
elif fill:
|
|
width = min(self.overWidth, boxwidth - padding)
|
|
x = padding
|
|
else:
|
|
width = min(self.overWidth, boxwidth)
|
|
x = ((boxwidth - width) / 2)
|
|
|
|
y = (((self.overHeight - actual_min) * (self.fraction - 1)) +
|
|
self.verticalOffset)
|
|
height = self.overHeight
|
|
|
|
geo.x = x
|
|
geo.y = y
|
|
geo.width = width
|
|
geo.height = height
|
|
return geo
|
|
|
|
def _set_background(self):
|
|
ctx = self.get_style_context()
|
|
ctx.set_state(Gtk.StateFlags.NORMAL)
|
|
ctx.set_background(self.get_window())
|
|
ctx.set_background(self.underWin)
|
|
ctx.set_background(self.overWin)
|
|
|
|
|
|
########################
|
|
# Custom functionality #
|
|
########################
|
|
|
|
def do_set_over(self, widget):
|
|
self.set_over(widget)
|
|
|
|
def set_over(self, widget):
|
|
if self.overWidget:
|
|
self.remove(self.overWidget)
|
|
|
|
if self.overWin:
|
|
widget.set_parent_window(self.overWin)
|
|
self.add(widget)
|
|
self.overWidget = widget
|
|
|
|
def set_under(self, widget):
|
|
if self.underWidget:
|
|
self.remove(self.underWidget)
|
|
|
|
if self.underWin:
|
|
widget.set_parent_window(self.underWin)
|
|
self.add(widget)
|
|
self.underWidget = widget
|
|
self.underWidget.show_all()
|
|
|
|
def set_min(self, newmin):
|
|
self.min = newmin
|
|
self.queue_resize()
|
|
|
|
def set_fraction(self, newfraction):
|
|
self._fraction = newfraction
|
|
|
|
if self.get_realized():
|
|
overgeo = self._get_over_window_geometry()
|
|
self.overWin.move(overgeo.x, overgeo.y)
|
|
def get_fraction(self):
|
|
return self._fraction
|
|
fraction = property(get_fraction, set_fraction)
|
|
|
|
def set_vertical_offset(self, newoff):
|
|
self.verticalOffset = newoff
|
|
|
|
if self.get_realized():
|
|
overgeo = self._get_over_window_geometry()
|
|
self.overWin.move(overgeo.x, overgeo.y)
|
|
|
|
####################
|
|
# Standard methods #
|
|
####################
|
|
|
|
def do_map(self):
|
|
self.get_window().show()
|
|
Gtk.Box.do_map(self)
|
|
|
|
def do_unmap(self):
|
|
self.get_window().hide()
|
|
Gtk.Box.do_unmap(self)
|
|
|
|
def do_realize(self):
|
|
self.set_realized(True)
|
|
|
|
attr = Gdk.WindowAttr()
|
|
attr.window_type = Gdk.WindowType.CHILD
|
|
attr.wclass = Gdk.WindowWindowClass.INPUT_OUTPUT
|
|
attr.visual = self.get_visual()
|
|
attr.event_mask = self.get_events() | Gdk.EventMask.EXPOSURE_MASK
|
|
mask = (Gdk.WindowAttributesType.VISUAL |
|
|
Gdk.WindowAttributesType.X |
|
|
Gdk.WindowAttributesType.Y)
|
|
|
|
attr.x = self.get_allocation().x
|
|
attr.y = self.get_allocation().y
|
|
attr.width = self.get_allocation().width
|
|
attr.height = self.get_allocation().height
|
|
|
|
window = Gdk.Window.new(self.get_parent_window(), attr, mask)
|
|
self.set_window(window)
|
|
window.set_user_data(self)
|
|
|
|
geo = self._get_under_window_geometry()
|
|
attr.x = geo.x
|
|
attr.y = geo.y
|
|
attr.width = geo.width
|
|
attr.height = geo.height
|
|
self.underWin = Gdk.Window.new(window, attr, mask)
|
|
self.underWin.set_user_data(self)
|
|
if self.underWidget:
|
|
self.underWidget.set_parent_window(self.underWin)
|
|
self.underWin.show()
|
|
|
|
geo = self._get_over_window_geometry()
|
|
attr.x = geo.x
|
|
attr.y = geo.y
|
|
attr.width = geo.width
|
|
attr.height = geo.height
|
|
self.overWin = Gdk.Window.new(window, attr, mask)
|
|
self.overWin.set_user_data(self)
|
|
if self.overWidget:
|
|
self.overWidget.set_parent_window(self.overWin)
|
|
self.overWin.show()
|
|
|
|
self._set_background()
|
|
|
|
def do_unrealize(self):
|
|
Gtk.Box.do_unrealize(self)
|
|
|
|
self.underWin.set_user_data(None)
|
|
self.overWin.set_user_data(None)
|
|
|
|
# XXX: Destroying this windows gives a warning when the vmmDetails
|
|
# window is destroyed:
|
|
#
|
|
# /usr/lib64/python2.7/site-packages/gi/types.py:113: Warning: g_object_unref: assertion `G_IS_OBJECT (object)' failed
|
|
#
|
|
# There's something weird here with destroying this gdk window,
|
|
# then destroying the over/under widgets. Error seems harmless
|
|
# but lets shut it up anyways.
|
|
#self.underWin.destroy()
|
|
#self.overWin.destroy()
|
|
|
|
self.underWin = None
|
|
self.overWin = None
|
|
|
|
def do_size_request(self, req):
|
|
under = self.underWidget.get_preferred_size()[0]
|
|
over = self.overWidget.get_preferred_size()[0]
|
|
|
|
self.overWidth = over.width
|
|
self.overHeight = over.height
|
|
|
|
expand = uihelpers.child_get_property(self, self.overWidget, "expand")
|
|
fill = uihelpers.child_get_property(self, self.overWidget, "fill")
|
|
padding = uihelpers.child_get_property(self, self.overWidget, "padding")
|
|
|
|
if expand or fill:
|
|
wpad = 0
|
|
else:
|
|
wpad = padding
|
|
|
|
req.width = max(under.width, over.width + wpad)
|
|
req.height = max(under.height + self._get_actual_min(), over.height)
|
|
|
|
def do_get_preferred_width(self):
|
|
req = Gtk.Requisition()
|
|
self.do_size_request(req)
|
|
return (req.width, req.width)
|
|
|
|
def do_get_preferred_height(self):
|
|
req = Gtk.Requisition()
|
|
self.do_size_request(req)
|
|
return (req.height, req.height)
|
|
|
|
def do_size_allocate(self, newalloc):
|
|
tmpalloc = Gdk.Rectangle()
|
|
tmpalloc.width = newalloc.width
|
|
tmpalloc.height = newalloc.height
|
|
tmpalloc.x = newalloc.x
|
|
tmpalloc.y = newalloc.y
|
|
|
|
self.set_allocation(tmpalloc)
|
|
|
|
under = self._get_under_window_geometry()
|
|
over = self._get_over_window_geometry()
|
|
|
|
if self.get_realized():
|
|
self.get_window().move_resize(newalloc.x, newalloc.y,
|
|
newalloc.width, newalloc.height)
|
|
self.underWin.move_resize(under.x, under.y,
|
|
under.width, under.height)
|
|
self.overWin.move_resize(over.x, over.y,
|
|
over.width, over.height)
|
|
|
|
under.x = 0
|
|
under.y = 0
|
|
self.underWidget.size_allocate(under)
|
|
over.x = 0
|
|
over.y = 0
|
|
self.overWidget.size_allocate(over)
|
|
|
|
def do_style_set(self, previous_style):
|
|
if self.get_realized():
|
|
self._set_background()
|
|
return Gtk.Box.set_style(self, previous_style)
|
|
|
|
# These make pylint happy
|
|
def show_all(self, *args, **kwargs):
|
|
return Gtk.Box.show(self, *args, **kwargs)
|
|
def destroy(self, *args, **kwargs):
|
|
return Gtk.Box.destroy(self, *args, **kwargs)
|
|
|
|
|
|
class Drawer(OverBox):
|
|
"""
|
|
Implementation of a drawer, basically a floating toolbar
|
|
"""
|
|
def __init__(self):
|
|
OverBox.__init__(self)
|
|
|
|
self.period = 10
|
|
self.step = 0.2
|
|
self.goal = 0
|
|
|
|
self.timer_pending = False
|
|
self.timer_id = None
|
|
|
|
|
|
####################
|
|
# Internal helpers #
|
|
####################
|
|
|
|
def _on_timer(self):
|
|
fraction = self.fraction
|
|
|
|
if self.goal == fraction:
|
|
self.timer_pending = False
|
|
return False
|
|
|
|
if self.goal > fraction:
|
|
self.fraction = min(fraction + self.step, self.goal)
|
|
else:
|
|
self.fraction = max(fraction - self.step, self.goal)
|
|
|
|
return True
|
|
|
|
##############
|
|
# Public API #
|
|
##############
|
|
|
|
def set_speed(self, period, step):
|
|
self.period = period
|
|
|
|
if self.timer_pending:
|
|
GLib.source_remove(self.timer_id)
|
|
self.timer_id = GLib.timeout_add(self.period, self._on_timer)
|
|
|
|
self.step = step
|
|
|
|
def set_goal(self, goal):
|
|
self.goal = goal
|
|
|
|
if not self.timer_pending:
|
|
self.timer_id = GLib.timeout_add(self.period, self._on_timer)
|
|
self.timer_pending = True
|
|
|
|
def get_close_time(self):
|
|
return (self.period * (int(1 / self.step) + 1))
|
|
|
|
|
|
class AutoDrawer(Drawer):
|
|
"""
|
|
Implemenation of an autodrawer, a drawer that hides and reappears on
|
|
mouse over, slowly sliding into view
|
|
"""
|
|
def __init__(self):
|
|
Drawer.__init__(self)
|
|
|
|
self.active = True
|
|
self.pinned = False
|
|
self.forceClosing = False
|
|
self.inputUngrabbed = True
|
|
self.opened = False
|
|
|
|
self.fill = True
|
|
self.offset = -1
|
|
|
|
self.closeConnection = 0
|
|
self.delayConnection = 0
|
|
self.delayValue = 250
|
|
self.overlapPixels = 0
|
|
self.noOverlapPixels = 1
|
|
self.overAllocID = None
|
|
|
|
self.over = None
|
|
self.eventBox = Gtk.EventBox()
|
|
self.eventBox.show()
|
|
OverBox.set_over(self, self.eventBox)
|
|
|
|
self.eventBox.connect("enter-notify-event", self._on_over_enter_leave)
|
|
self.eventBox.connect("leave-notify-event", self._on_over_enter_leave)
|
|
self.eventBox.connect("grab-notify", self._on_grab_notify)
|
|
|
|
self.connect("hierarchy-changed", self._on_hierarchy_changed)
|
|
|
|
self._update(True)
|
|
self._refresh_packing()
|
|
|
|
|
|
####################
|
|
# Internal Helpers #
|
|
####################
|
|
|
|
def set_over(self, newover):
|
|
oldChild = self.eventBox.get_child()
|
|
|
|
if oldChild:
|
|
self.eventBox.remove(oldChild)
|
|
oldChild.disconnect(self.overAllocID)
|
|
oldChild.destroy()
|
|
|
|
if newover:
|
|
def size_allocate(src, newalloc):
|
|
srcreq = src.size_request()
|
|
|
|
if (newalloc.width != srcreq.width or
|
|
newalloc.height != srcreq.height):
|
|
return
|
|
|
|
# If over widget was just allocated its requested size,
|
|
# something caused it to pop up, so make sure state
|
|
# is updated.
|
|
#
|
|
# Without this, switching to fullscreen keeps the toolbar
|
|
# stuck open until mouse over
|
|
self._update(False, 1500)
|
|
|
|
self.eventBox.add(newover)
|
|
self.overAllocID = newover.connect("size-allocate", size_allocate)
|
|
|
|
self.over = newover
|
|
|
|
def _update(self, do_immediate, customDelay=-1, force_open=False):
|
|
toplevel = self.get_toplevel()
|
|
if not toplevel or not toplevel.is_toplevel():
|
|
# The autoDrawer cannot function properly without a toplevel.
|
|
return
|
|
|
|
self.opened = force_open
|
|
|
|
# Is the drawer pinned open?
|
|
if self.pinned:
|
|
do_immediate = True
|
|
self.opened = True
|
|
|
|
# Is the mouse cursor inside the event box? */
|
|
x, y = self.eventBox.get_pointer()
|
|
alloc = self.eventBox.get_allocation()
|
|
if x > -1 and y > -1 and x < alloc.width and y < alloc.height:
|
|
self.opened = True
|
|
|
|
# If there is a focused widget, is it inside the event box? */
|
|
focus = toplevel.get_focus()
|
|
if focus and focus.is_ancestor(self.eventBox):
|
|
do_immediate = True
|
|
self.opened = True
|
|
|
|
# If input is grabbed, is it on behalf of a widget inside the
|
|
# event box?
|
|
if not self.inputUngrabbed:
|
|
grabbed = None
|
|
|
|
if toplevel.get_group():
|
|
grabbed = toplevel.get_group().get_current_grab()
|
|
if not grabbed:
|
|
grabbed = Gtk.grab_get_current()
|
|
|
|
if grabbed and isinstance(grabbed, Gtk.Menu):
|
|
while True:
|
|
menuAttach = grabbed.get_attach_widget()
|
|
if not menuAttach:
|
|
break
|
|
|
|
grabbed = menuAttach
|
|
if not isinstance(grabbed, Gtk.MenuItem):
|
|
break
|
|
|
|
menuItemParent = grabbed.get_parent()
|
|
if not isinstance(menuItemParent, Gtk.Menu):
|
|
break
|
|
|
|
grabbed = menuItemParent
|
|
|
|
if grabbed and grabbed.is_ancestor(self.eventBox):
|
|
do_immediate = True
|
|
self.opened = True
|
|
|
|
if self.delayConnection:
|
|
GLib.source_remove(self.delayConnection)
|
|
|
|
|
|
if self.forceClosing:
|
|
self._enforce(True)
|
|
elif do_immediate:
|
|
self._enforce(False)
|
|
else:
|
|
delay = self.delayValue
|
|
if customDelay != -1:
|
|
delay = customDelay
|
|
self.delayConnection = GLib.timeout_add(delay,
|
|
self._on_enforce_delay)
|
|
|
|
|
|
def _refresh_packing(self):
|
|
expand = bool(self.fill or (self.offset < 0))
|
|
|
|
if expand or self.fill:
|
|
padding = 0
|
|
else:
|
|
padding = self.offset
|
|
|
|
self.set_child_packing(self.eventBox, expand, self.fill, padding,
|
|
Gtk.PackType.START)
|
|
|
|
def _enforce(self, do_animate):
|
|
if not self.active:
|
|
self.set_min(0)
|
|
self.set_fraction(0)
|
|
return
|
|
|
|
self.set_min(self.noOverlapPixels)
|
|
|
|
if self.opened and not self.forceClosing:
|
|
fraction = 1
|
|
else:
|
|
alloc = self.over.get_allocation()
|
|
fraction = (float(self.overlapPixels) / alloc.height)
|
|
|
|
if not do_animate:
|
|
self.set_fraction(fraction)
|
|
self.set_goal(fraction)
|
|
|
|
|
|
#############
|
|
# Listeners #
|
|
#############
|
|
|
|
def _set_focus(self, ignore1, ignore2):
|
|
self._update(False)
|
|
|
|
def _on_over_enter_leave(self, ignore1, ignore2):
|
|
self._update(False)
|
|
|
|
def _on_grab_notify(self, eventbox, is_ungrabbed):
|
|
ignore = eventbox
|
|
self.inputUngrabbed = is_ungrabbed
|
|
self._update(False)
|
|
|
|
def _on_hierarchy_changed(self, oldTopLevel, ignore):
|
|
newTopLevel = self.get_toplevel()
|
|
|
|
if oldTopLevel and oldTopLevel.is_toplevel():
|
|
oldTopLevel.disconnect_by_func(self._set_focus)
|
|
|
|
if newTopLevel and newTopLevel.is_toplevel():
|
|
newTopLevel.connect_after("set_focus", self._set_focus)
|
|
|
|
self._update(True)
|
|
|
|
def _on_enforce_delay(self):
|
|
self.delayConnection = 0
|
|
self._enforce(True)
|
|
|
|
return False
|
|
|
|
def _on_close_delay(self):
|
|
self.closeConnection = 0
|
|
self.forceClosing = False
|
|
|
|
return False
|
|
|
|
|
|
##############
|
|
# Public API #
|
|
##############
|
|
|
|
def set_slide_delay(self, delay):
|
|
self.delayValue = delay
|
|
|
|
def set_overlap_pixels(self, overlap_pixels):
|
|
self.overlapPixels = overlap_pixels
|
|
self._update(True)
|
|
|
|
def set_nooverlap_pixels(self, nooverlap_pixels):
|
|
self.noOverlapPixels = nooverlap_pixels
|
|
self._update(True)
|
|
|
|
def set_active(self, active):
|
|
self.active = active
|
|
self._update(True, force_open=active)
|
|
|
|
def set_pinned(self, pinned):
|
|
self.pinned = pinned
|
|
self._update(False)
|
|
|
|
def set_fill(self, fill):
|
|
self.fill = fill
|
|
self._refresh_packing()
|
|
|
|
def set_offset(self, offset):
|
|
self.offset = offset
|
|
self._refresh_packing()
|
|
|
|
def drawer_close(self):
|
|
toplevel = self.get_toplevel()
|
|
if not toplevel or not toplevel.is_toplevel():
|
|
# The autoDrawer cannot function properly without a toplevel.
|
|
return
|
|
|
|
focus = toplevel.get_focus()
|
|
if focus and focus.is_ancestor(self.eventBox):
|
|
toplevel.set_focus(None)
|
|
|
|
self.forceClosing = True
|
|
self.closeConnection = GLib.timeout_add(
|
|
self.get_close_time() + self.delayValue,
|
|
self._on_close_delay)
|
|
|
|
self._update(True)
|