/
gtk_client_window_base.py
906 lines (819 loc) · 39.2 KB
/
gtk_client_window_base.py
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# This file is part of Xpra.
# Copyright (C) 2011 Serviware (Arthur Huillet, <ahuillet@serviware.com>)
# Copyright (C) 2010-2015 Antoine Martin <antoine@devloop.org.uk>
# Copyright (C) 2008, 2010 Nathaniel Smith <njs@pobox.com>
# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
# later version. See the file COPYING for details.
import os
import time
import math
from xpra.log import Logger
focuslog = Logger("focus")
workspacelog = Logger("workspace")
log = Logger("window")
keylog = Logger("keyboard")
iconlog = Logger("icon")
metalog = Logger("metadata")
statelog = Logger("state")
eventslog = Logger("events")
shapelog = Logger("shape")
from xpra.os_util import memoryview_to_bytes
from xpra.util import AdHocStruct, bytestostr, typedict, WORKSPACE_UNSET, WORKSPACE_ALL
from xpra.gtk_common.gobject_compat import import_gtk, import_gdk, import_cairo, import_pixbufloader, get_xid
from xpra.gtk_common.gtk_util import get_pixbuf_from_data, get_default_root_window, WINDOW_POPUP, WINDOW_TOPLEVEL
from xpra.gtk_common.keymap import KEY_TRANSLATIONS
from xpra.client.client_window_base import ClientWindowBase
from xpra.platform.gui import set_fullscreen_monitors, set_shaded
from xpra.codecs.argb.argb import unpremultiply_argb, bgra_to_rgba #@UnresolvedImport
from xpra.platform.gui import add_window_hooks, remove_window_hooks
gtk = import_gtk()
gdk = import_gdk()
cairo = import_cairo()
PixbufLoader = import_pixbufloader()
CAN_SET_WORKSPACE = False
HAS_X11_BINDINGS = False
if os.name=="posix" and os.environ.get("XPRA_SET_WORKSPACE", "1")!="0":
try:
from xpra.x11.gtk_x11.prop import prop_get, prop_set
from xpra.x11.bindings.window_bindings import constants, X11WindowBindings, SHAPE_KIND #@UnresolvedImport
from xpra.x11.bindings.core_bindings import X11CoreBindings
from xpra.gtk_common.error import xsync, xswallow
from xpra.x11.gtk_x11.send_wm import send_wm_workspace
X11Window = X11WindowBindings()
X11Core = X11CoreBindings()
HAS_X11_BINDINGS = True
SubstructureNotifyMask = constants["SubstructureNotifyMask"]
SubstructureRedirectMask = constants["SubstructureRedirectMask"]
CurrentTime = constants["CurrentTime"]
try:
#TODO: in theory this is not a proper check, meh - that will do
root = get_default_root_window()
supported = prop_get(root, "_NET_SUPPORTED", ["atom"], ignore_errors=True)
CAN_SET_WORKSPACE = bool(supported) and "_NET_WM_DESKTOP" in supported
except Exception as e:
log.info("failed to setup workspace hooks: %s", e, exc_info=True)
except ImportError:
pass
#window types we map to POPUP rather than TOPLEVEL
POPUP_TYPE_HINTS = set((
#"DIALOG",
#"MENU",
#"TOOLBAR",
#"SPLASHSCREEN",
#"UTILITY",
#"DOCK",
#"DESKTOP",
"DROPDOWN_MENU",
"POPUP_MENU",
#"TOOLTIP",
#"NOTIFICATION",
#"COMBO",
#"DND"
))
#window types for which we skip window decorations (title bar)
UNDECORATED_TYPE_HINTS = set((
#"DIALOG",
"MENU",
#"TOOLBAR",
"SPLASHSCREEN",
"UTILITY",
"DOCK",
#"DESKTOP",
"DROPDOWN_MENU",
"POPUP_MENU",
"TOOLTIP",
"NOTIFICATION",
"COMBO",
"DND"))
import sys
WIN32 = sys.platform.startswith("win")
PYTHON3 = sys.version_info[0] == 3
if PYTHON3:
unicode = str #@ReservedAssignment
class GTKKeyEvent(AdHocStruct):
pass
class GTKClientWindowBase(ClientWindowBase, gtk.Window):
def init_window(self, metadata):
if self._is_popup(metadata):
window_type = WINDOW_POPUP
else:
window_type = WINDOW_TOPLEVEL
self.do_init_window(window_type)
self.set_decorated(self._is_decorated(metadata))
self.set_app_paintable(True)
self._window_state = {}
self._resize_counter = 0
self._can_set_workspace = HAS_X11_BINDINGS and CAN_SET_WORKSPACE
self._current_frame_extents = None
#add platform hooks
self.connect("realize", self.on_realize)
self.connect('unrealize', self.on_unrealize)
self.add_events(self.WINDOW_EVENT_MASK)
ClientWindowBase.init_window(self, metadata)
def _is_popup(self, metadata):
#decide if the window type is POPUP or NORMAL
if self._override_redirect:
return True
window_types = metadata.get("window-type", [])
popup_types = list(POPUP_TYPE_HINTS.intersection(window_types))
metalog("popup_types(%s)=%s", window_types, popup_types)
if popup_types:
metalog("forcing POPUP window type for %s", popup_types)
return True
return False
def _is_decorated(self, metadata):
#decide if the window type is POPUP or NORMAL
#(show window decorations or not)
if self._override_redirect:
return False
decorations = metadata.get("decorations")
if decorations is not None:
#honour the flag given by the server:
return bool(decorations)
#older servers don't tell us if we need decorations, so take a guess:
#skip decorations for any non-normal non-dialog window that is transient for another window:
window_types = metadata.get("window-type", [])
if ("NORMAL" not in window_types) and ("DIALOG" not in window_types) and metadata.intget("transient-for", -1)>0:
return False
undecorated_types = list(UNDECORATED_TYPE_HINTS.intersection(window_types))
metalog("undecorated_types(%s)=%s", window_types, undecorated_types)
if undecorated_types:
metalog("not decorating window type %s", undecorated_types)
return False
return True
def set_decorated(self, decorated):
was_decorated = self.get_decorated()
if self._fullscreen and was_decorated and not decorated:
#fullscreen windows aren't decorated anyway!
#calling set_decorated(False) would cause it to get unmapped! (why?)
pass
else:
gtk.Window.set_decorated(self, decorated)
if WIN32:
#workaround for new window offsets:
#keep the window contents where they were and adjust the frame
#this generates a configure event which ensures the server has the correct window position
wfs = self._client.get_window_frame_sizes()
if wfs and decorated and not was_decorated:
normal = wfs.get("normal")
fixed = wfs.get("fixed")
if normal and fixed:
nx, ny = normal
fx, fy = fixed
x, y = self.get_position()
gtk.Window.move(self, max(0, x-nx+fx), max(0, y-ny+fy))
def setup_window(self):
self.set_alpha()
if self._override_redirect:
transient_for = self.get_transient_for()
type_hint = self.get_type_hint()
if transient_for is not None and type_hint in self.OR_TYPE_HINTS:
transient_for._override_redirect_windows.append(self)
if not self._override_redirect:
self.connect("notify::has-toplevel-focus", self._focus_change)
def focus_in(*args):
focuslog("focus-in-event for wid=%s", self._id)
def focus_out(*args):
focuslog("focus-out-event for wid=%s", self._id)
self.connect("focus-in-event", focus_in)
self.connect("focus-out-event", focus_out)
if self._can_set_workspace:
self.connect("property-notify-event", self.property_changed)
self.connect("window-state-event", self.window_state_updated)
#this will create the backing:
ClientWindowBase.setup_window(self)
#honour the initial position if the flag is set
#(or just if non zero, for older servers)
if self._pos!=(0, 0) or self._set_initial_position:
x,y = self._pos
if not self.is_OR():
#try to adjust for window frame size if we can figure it out:
#Note: we cannot just call self.get_window_frame_size() here because
#the window is not realized yet, and it may take a while for the window manager
#to set the frame-extents property anyway
wfs = self._client.get_window_frame_sizes()
dx, dy = 0, 0
if wfs:
log("setup_window() window frame sizes=%s", wfs)
v = wfs.get("offset")
if v:
dx, dy = v
x = max(0, x-dx)
y = max(0, y-dy)
self.move(x, y)
self.set_default_size(*self._size)
def on_realize(self, widget):
eventslog("on_realize(%s)", widget)
add_window_hooks(self)
def on_unrealize(self, widget):
eventslog("on_unrealize(%s)", widget)
remove_window_hooks(self)
def set_alpha(self):
#try to enable alpha on this window if needed,
#and if the backing class can support it:
bc = self.get_backing_class()
metalog("set_alpha() has_alpha=%s, %s.HAS_ALPHA=%s, realized=%s", self._has_alpha, bc, bc.HAS_ALPHA, self.is_realized())
#by default, only RGB (no transparency):
#rgb_formats = list(BACKING_CLASS.RGB_MODES)
self._client_properties["encodings.rgb_formats"] = ["RGB", "RGBX"]
if not self._has_alpha or not bc.HAS_ALPHA:
self._client_properties["encoding.transparency"] = False
return
if self._has_alpha and not self.is_realized():
if self.enable_alpha():
self._client_properties["encodings.rgb_formats"] = ["RGBA", "RGB", "RGBX"]
self._window_alpha = True
else:
self._has_alpha = False
self._client_properties["encoding.transparency"] = False
def show(self):
if not self.is_realized():
self.realize()
gtk.Window.show(self)
def window_state_updated(self, widget, event):
statelog("%s.window_state_updated(%s, %s) changed_mask=%s, new_window_state=%s", self, widget, repr(event), event.changed_mask, event.new_window_state)
state_updates = {}
if event.changed_mask & self.WINDOW_STATE_FULLSCREEN:
state_updates["fullscreen"] = bool(event.new_window_state & self.WINDOW_STATE_FULLSCREEN)
if event.changed_mask & self.WINDOW_STATE_ABOVE:
state_updates["above"] = bool(event.new_window_state & self.WINDOW_STATE_ABOVE)
if event.changed_mask & self.WINDOW_STATE_BELOW:
state_updates["below"] = bool(event.new_window_state & self.WINDOW_STATE_BELOW)
if event.changed_mask & self.WINDOW_STATE_STICKY:
state_updates["sticky"] = bool(event.new_window_state & self.WINDOW_STATE_STICKY)
if event.changed_mask & self.WINDOW_STATE_ICONIFIED:
state_updates["iconified"] = bool(event.new_window_state & self.WINDOW_STATE_ICONIFIED)
if event.changed_mask & self.WINDOW_STATE_MAXIMIZED:
#this may get sent now as part of map_event code below (and it is irrelevant for the unmap case),
#or when we get the configure event - which should come straight after
#if we're changing the maximized state
state_updates["maximized"] = bool(event.new_window_state & self.WINDOW_STATE_MAXIMIZED)
self.update_window_state(state_updates)
def update_window_state(self, state_updates):
#decide if this is really an update by comparing with our local state vars:
#(could just be a notification of a state change we already know about)
actual_updates = {}
for state,value in state_updates.items():
var = "_" + state.replace("-", "_") #ie: "skip-pager" -> "_skip_pager"
cur = getattr(self, var) #ie: self._maximized
if cur!=value:
setattr(self, var, value) #ie: self._maximized = True
actual_updates[state] = value
statelog("%s=%s (was %s)", var, value, cur)
statelog("window_state_updated(..) state updates: %s, actual updates: %s", state_updates, actual_updates)
self._window_state.update(actual_updates)
#iconification is handled a bit differently...
if "iconified" in actual_updates:
iconified = actual_updates.get("iconified")
statelog("iconified=%s (was %s)", iconified, self._iconified)
if iconified!=self._iconified:
self._iconified = iconified
#handle iconification as map events:
assert not self._override_redirect
if iconified:
#usually means it is unmapped
self._unfocus()
if not self._override_redirect:
#tell server, but wait a bit to try to prevent races:
def tell_server():
if self._iconified:
self.send("unmap-window", self._id, True, self._window_state)
self._window_state = {}
#calculate a good delay to prevent races causing minimize/unminimize loops:
delay = 150
spl = list(self._client.server_ping_latency)
if len(spl)>0:
worst = max([x for _,x in spl])
delay += int(1000*worst)
delay = min(1000, delay)
statelog("telling server about iconification with %sms delay", delay)
self.timeout_add(delay, tell_server)
else:
self.process_map_event()
self.after_window_state_updated()
#if we have state updates, send them back to the server using a configure window packet:
if self.is_OR() and not self._client.window_configure_skip_geometry:
#we can't do it: the server can't handle configure packets for OR windows!
statelog("not sending updated window state %s to a server which is missing the configure skip-geometry feature", self._window_state)
return
def send_updated_window_state():
if self._window_state and self.get_window():
self.process_configure_event(True)
if self._window_state:
self.timeout_add(25, send_updated_window_state)
def after_window_state_updated(self):
#this is here to make it easier to hook some code
#after window_state_updated() has been called
#(used by the win32 platform workarounds)
pass
def set_shape(self, shape):
shapelog("set_shape(%s)", shape)
if not HAS_X11_BINDINGS:
return
if not self.is_realized():
self.realize()
xid = get_xid(self.get_window())
for kind, name in SHAPE_KIND.items():
rectangles = shape.get("%s.rectangles" % name) #ie: Bounding.rectangles = [(0, 0, 150, 100)]
if rectangles is not None:
#FIXME: are we supposed to get the offset from the "extents"?
x_off, y_off = 0, 0
shapelog("XShapeCombineRectangles %s=%s", name, rectangles)
with xsync:
X11Window.XShapeCombineRectangles(xid, kind, x_off, y_off, rectangles)
def set_bypass_compositor(self, v):
if not HAS_X11_BINDINGS:
return
if v not in (0, 1, 2):
v = 0
if not self.is_realized():
self.realize()
prop_set(self.get_window(), "_NET_WM_BYPASS_COMPOSITOR", "u32", v)
def set_strut(self, strut):
if not HAS_X11_BINDINGS:
return
log("strut=%s", strut)
d = typedict(strut)
values = []
for x in ("left", "right", "top", "bottom"):
values.append(d.intget(x, 0))
has_partial = False
for x in ("left_start_y", "left_end_y",
"right_start_y", "right_end_y",
"top_start_x", "top_end_x",
"bottom_start_x", "bottom_end_x"):
if x in d:
has_partial = True
values.append(d.intget(x, 0))
log("setting strut=%s, has partial=%s", values, has_partial)
if not self.is_realized():
self.realize()
if has_partial:
prop_set(self.get_window(), "_NET_WM_STRUT_PARTIAL", ["u32"], values)
prop_set(self.get_window(), "_NET_WM_STRUT", ["u32"], values[:4])
def set_fullscreen_monitors(self, fsm):
#platform specific code:
log("set_fullscreen_monitors(%s)", fsm)
if not self.is_realized():
self.realize()
set_fullscreen_monitors(self.get_window(), fsm)
def set_shaded(self, shaded):
#platform specific code:
log("set_shaded(%s)", shaded)
if not self.is_realized():
self.realize()
set_shaded(self.get_window(), shaded)
def set_fullscreen(self, fullscreen):
statelog("%s.set_fullscreen(%s)", self, fullscreen)
if fullscreen:
#we may need to temporarily remove the max-window-size restrictions
#to be able to honour the fullscreen request:
w, h = self.max_window_size
if w>0 and h>0:
self.set_size_constraints(self.size_constraints, (0, 0))
self.fullscreen()
else:
self.unfullscreen()
#re-apply size restrictions:
w, h = self.max_window_size
if w>0 and h>0:
self.set_size_constraints(self.size_constraints, self.max_window_size)
def set_xid(self, xid):
if HAS_X11_BINDINGS and self.is_realized():
try:
if xid.startswith("0x") and xid.endswith("L"):
xid = xid[:-1]
iid = int(xid, 16)
self.xset_u32_property(self.get_window(), "XID", iid)
except Exception as e:
log("%s.set_xid(%s) error parsing/setting xid: %s", self, xid, e)
return
def xget_u32_property(self, target, name):
v = prop_get(target, name, "u32", ignore_errors=True)
log("%s.xget_u32_property(%s, %s)=%s", self, target, name, v)
if type(v)==int:
return v
return None
def xset_u32_property(self, target, name, value):
prop_set(target, name, "u32", value)
def is_realized(self):
if hasattr(self, "get_realized"):
#pygtk 2.22 and above have this method:
return self.get_realized()
#older versions:
return self.flags() & gtk.REALIZED
def realize(self):
self.set_alpha()
gtk.Window.realize(self)
if self.group_leader:
if not self.is_realized():
self.realize()
self.get_window().set_group(self.group_leader)
if HAS_X11_BINDINGS:
#now it is realized, we can set WM_COMMAND (for X11 clients only)
command = self._metadata.strget("command")
v = command
if type(command)!=unicode:
v = bytestostr(command)
try:
v = v.decode("utf8")
except:
pass
log("realize() command=%s (%s)", v, type(v))
prop_set(self.get_window(), "WM_COMMAND", "latin1", v)
self._client.request_frame_extents(self)
def property_changed(self, widget, event):
statelog("%s.property_changed(%s, %s) : %s", self, widget, event, event.atom)
if event.atom=="_NET_WM_DESKTOP" and self._been_mapped and not self._override_redirect:
self.do_workspace_changed(event)
elif event.atom=="_NET_FRAME_EXTENTS":
v = prop_get(self.get_window(), "_NET_FRAME_EXTENTS", ["u32"], ignore_errors=False)
statelog("_NET_FRAME_EXTENTS: %s", v)
if v:
if v==self._current_frame_extents:
#unchanged
return
if not self._been_mapped:
#map event will take care of sending it
return
if self.is_OR() or self.is_tray():
#we can't do it: the server can't handle configure packets for OR windows!
return
if not self._client.window_configure_skip_geometry or not self._client.server_window_frame_extents:
#can't send cheap "skip-geometry" packets or frame-extents feature not supported:
return
#tell server about new value:
#TODO: don't bother if unchanged
self._current_frame_extents = v
statelog("sending configure event to update _NET_FRAME_EXTENTS to %s", v)
self._window_state["frame"] = v
self.process_configure_event(True)
elif event.atom=="XKLAVIER_STATE":
#unused for now, but log it:
xklavier_state = prop_get(self.get_window(), "XKLAVIER_STATE", ["integer"], ignore_errors=False)
keylog("XKLAVIER_STATE=%s", [hex(x) for x in (xklavier_state or [])])
elif event.atom=="_NET_WM_STATE":
wm_state_atoms = prop_get(self.get_window(), "_NET_WM_STATE", ["atom"], ignore_errors=False)
#code mostly duplicated from gtk_x11/window.py:
WM_STATE_NAME = {
"fullscreen" : ("_NET_WM_STATE_FULLSCREEN", ),
"maximized" : ("_NET_WM_STATE_MAXIMIZED_VERT", "_NET_WM_STATE_MAXIMIZED_HORZ"),
"shaded" : ("_NET_WM_STATE_SHADED", ),
"sticky" : ("_NET_WM_STATE_STICKY", ),
"skip-pager" : ("_NET_WM_STATE_SKIP_PAGER", ),
"skip-taskbar" : ("_NET_WM_STATE_SKIP_TASKBAR", ),
"above" : ("_NET_WM_STATE_ABOVE", ),
"below" : ("_NET_WM_STATE_BELOW", ),
"focused" : ("_NET_WM_STATE_FOCUSED", ),
}
state_atoms = set(wm_state_atoms)
state_updates = {}
for state, atoms in WM_STATE_NAME.items():
var = "_" + state.replace("-", "_") #ie: "skip-pager" -> "_skip_pager"
cur_state = getattr(self, var)
wm_state_is_set = set(atoms).issubset(state_atoms)
if wm_state_is_set and not cur_state:
state_updates[state] = True
elif cur_state and not wm_state_is_set:
state_updates[state] = False
log("_NET_WM_STATE=%s, state_updates=%s", wm_state_atoms, state_updates)
if state_updates:
self.update_window_state(state_updates)
def workspace_changed(self):
#on X11 clients, this fires from the root window property watcher
ClientWindowBase.workspace_changed(self)
self.do_workspace_changed("desktop workspace changed")
def do_workspace_changed(self, info):
#call this method whenever something workspace related may have changed
window_workspace = self.get_window_workspace()
desktop_workspace = self.get_desktop_workspace()
workspacelog("do_workspace_changed(%s) (window, desktop): from %s to %s", info, (self._window_workspace, self._desktop_workspace), (window_workspace, desktop_workspace))
if self._window_workspace==window_workspace and self._desktop_workspace==desktop_workspace:
#no change
return
if not self._client.window_refresh_config:
workspacelog("sending configure event to update workspace value")
self.process_configure_event(True)
return
#we can tell the server using a "buffer-refresh" packet instead
#and also take care of tweaking the batch config
client_properties = {"workspace" : window_workspace}
options = {"refresh-now" : False} #no need to refresh it
suspend_resume = None
if desktop_workspace<0 or window_workspace is None:
#maybe the property has been cleared? maybe the window is being scrubbed?
workspacelog("not sure if the window is shown or not: %s vs %s, resuming to be safe", desktop_workspace, window_workspace)
suspend_resume = False
elif window_workspace==WORKSPACE_UNSET:
workspacelog("workspace unset: assume current")
suspend_resume = False
elif window_workspace==WORKSPACE_ALL:
workspacelog("window is on all workspaces")
suspend_resume = False
elif desktop_workspace!=window_workspace:
workspacelog("window is on a different workspace, increasing its batch delay (desktop: %s, window: %s)", desktop_workspace, window_workspace)
suspend_resume = True
elif self._window_workspace!=self._desktop_workspace:
assert desktop_workspace==window_workspace
workspacelog("window was on a different workspace, resetting its batch delay (was desktop: %s, window: %s, now both on %s)", self._window_workspace, self._desktop_workspace, desktop_workspace)
suspend_resume = False
self._client.control_refresh(self._id, suspend_resume, refresh=False, options=options, client_properties=client_properties)
self._window_workspace = window_workspace
self._desktop_workspace = desktop_workspace
def get_workspace_count(self):
if not HAS_X11_BINDINGS:
return 1
return self.xget_u32_property(root, "_NET_NUMBER_OF_DESKTOPS")
def set_workspace(self, workspace):
if not self._can_set_workspace:
return None
desktop = self.get_desktop_workspace()
if self._been_mapped and (workspace==desktop or desktop is None):
#window is back in view
self._client.control_refresh(self._id, False, False)
ndesktops = self.get_workspace_count()
if ndesktops is None or ndesktops<=1:
workspacelog("number of desktops not defined, cannot set workspace")
return None
if workspace<0:
#this should not happen, workspace is unsigned! (CARDINAL)
workspace = WORKSPACE_UNSET
workspacelog.warn("invalid workspace number: %s", self._window_workspace)
workspacelog("%s.set_workspace() workspace=%s ndesktops=%s", self, workspace, ndesktops)
#we will need the gdk window:
if not self.is_realized():
self.realize()
gdkwin = self.get_window()
if workspace==WORKSPACE_UNSET:
#we want to remove the setting, so access the window property directly:
self._window_workspace = workspace
xid = get_xid(gdkwin)
with xswallow:
X11Window.XDeleteProperty(xid, "_NET_WM_DESKTOP")
return self._window_workspace
#clamp to number of workspaces just in case we have a mismatch:
if workspace==WORKSPACE_ALL:
self._window_workspace = WORKSPACE_ALL
else:
self._window_workspace = max(0, min(ndesktops-1, workspace))
workspacelog("%s.set_workspace() clamped workspace=%s", self, self._window_workspace)
if not gdkwin.is_visible():
#window is unmapped so we can set the window property directly:
prop_set(self.get_window(), "_NET_WM_DESKTOP", "u32", self._window_workspace)
return self._window_workspace
#the window is visible, so we have to ask the window manager politely
with xsync:
send_wm_workspace(root, self.get_window(), self._window_workspace)
return self._window_workspace
def initiate_moveresize(self, x_root, y_root, direction, button, source_indication):
statelog("initiate_moveresize%s", (x_root, y_root, direction, button, source_indication))
assert HAS_X11_BINDINGS, "cannot handle initiate-moveresize without X11 bindings"
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
root = self.get_window().get_screen().get_root_window()
root_xid = get_xid(root)
xwin = get_xid(self.get_window())
with xsync:
X11Core.UngrabPointer()
X11Window.sendClientMessage(root_xid, xwin, False, event_mask, "_NET_WM_MOVERESIZE",
x_root, y_root, direction, button, source_indication)
def apply_transient_for(self, wid):
if wid==-1:
#root is a gdk window, so we need to ensure we have one
#backing our gtk window to be able to call set_transient_for on it
log("%s.apply_transient_for(%s) gdkwindow=%s, mapped=%s", self, wid, self.get_window(), self.is_mapped())
if not self.is_realized():
self.realize()
self.get_window().set_transient_for(gtk.gdk.get_default_root_window())
else:
#gtk window is easier:
window = self._client._id_to_window.get(wid)
log("%s.apply_transient_for(%s) window=%s", self, wid, window)
if window:
self.set_transient_for(window)
def paint_spinner(self, context, area):
log("%s.paint_spinner(%s, %s)", self, context, area)
#add grey semi-opaque layer on top:
context.set_operator(cairo.OPERATOR_OVER)
context.set_source_rgba(0.2, 0.2, 0.2, 0.4)
context.rectangle(area)
#w, h = self._size
#context.rectangle(gdk.Rectangle(0, 0, w, h))
context.fill()
#add spinner:
w, h = self.get_size()
dim = min(w/3.0, h/3.0, 100.0)
context.set_line_width(dim/10.0)
context.set_line_cap(cairo.LINE_CAP_ROUND)
context.translate(w/2, h/2)
from xpra.gtk_common.gtk_spinner import cv
count = int(time.time()*4.0)
for i in range(8): #8 lines
context.set_source_rgba(0, 0, 0, cv.trs[count%8][i])
context.move_to(0.0, -dim/4.0)
context.line_to(0.0, -dim)
context.rotate(math.pi/4)
context.stroke()
def spinner(self, ok):
if not self.can_have_spinner():
return
#with normal windows, we just queue a draw request
#and let the expose event paint the spinner
w, h = self.get_size()
self.queue_draw(0, 0, w, h)
def do_map_event(self, event):
log("%s.do_map_event(%s) OR=%s", self, event, self._override_redirect)
gtk.Window.do_map_event(self, event)
xid = self._metadata.strget("xid")
if xid:
self.set_xid(xid)
if not self._override_redirect:
self.process_map_event()
self._been_mapped = True
def process_map_event(self):
x, y, w, h = self.get_window_geometry()
state = self._window_state
props = self._client_properties
self._client_properties = {}
self._window_state = {}
if not self._been_mapped:
#this is the first time around, so save the workspace value:
workspace = self.set_workspace(self._window_workspace)
else:
#window has been mapped, so these attributes can be read (if present):
props["screen"] = self.get_screen().get_number()
workspace = self.get_window_workspace()
if workspace is None:
#not set, so assume it is on the current workspace:
workspace = self.get_desktop_workspace()
if self._window_workspace!=workspace and workspace is not None:
workspacelog("map event: been_mapped=%s, changed workspace from %s to %s", self._been_mapped, self._window_workspace, workspace)
self._window_workspace = workspace
props["workspace"] = workspace
if self._client.server_window_frame_extents and "frame" not in state:
wfs = self.get_window_frame_size()
if wfs:
state["frame"] = wfs
self._current_frame_extents = wfs
eventslog("map-window for wid=%s with client props=%s, state=%s", self._id, props, state)
self.send("map-window", self._id, x, y, w, h, props, state)
self._pos = (x, y)
self._size = (w, h)
self.idle_add(self._focus_change, "initial")
def get_window_frame_size(self):
frame = self._client.get_frame_extents(self)
if not frame:
#default to global value we may have:
wfs = self._client.get_window_frame_sizes()
if wfs:
frame = wfs.get("frame")
return frame
def do_configure_event(self, event):
eventslog("%s.do_configure_event(%s)", self, event)
gtk.Window.do_configure_event(self, event)
if not self._override_redirect and not self._iconified:
self.process_configure_event()
def process_configure_event(self, skip_geometry=False):
assert skip_geometry or not self.is_OR()
x, y, w, h = self.get_window_geometry()
w = max(1, w)
h = max(1, h)
ox, oy = self._pos
dx, dy = x-ox, y-oy
self._pos = (x, y)
state = self._window_state
props = self._client_properties
self._client_properties = {}
self._window_state = {}
if self._been_mapped:
#if the window has been mapped already, the workspace should be set:
props["screen"] = self.get_screen().get_number()
workspace = self.get_window_workspace()
if self._window_workspace!=workspace and workspace is not None:
workspacelog("configure event: changed workspace from %s to %s", self._window_workspace, workspace)
self._window_workspace = workspace
props["workspace"] = workspace
packet = ["configure-window", self._id, x, y, w, h, props, self._resize_counter, state, skip_geometry]
if self._client.window_configure_pointer:
packet.append(self.get_mouse_event_wid())
packet.append(self._client.get_mouse_position())
packet.append(self._client.get_current_modifiers())
eventslog("%s", packet)
self.send(*packet)
if dx!=0 or dy!=0:
#window has moved, also move any child OR window:
for window in self._override_redirect_windows:
x, y = window.get_position()
window.move(x+dx, y+dy)
if (w, h) != self._size:
self._size = (w, h)
self._backing.init(w, h)
def resize(self, w, h, resize_counter=0):
log("resize(%s, %s, %s)", w, h, resize_counter)
self._resize_counter = resize_counter
gtk.Window.resize(self, w, h)
self._backing.init(w, h)
def move_resize(self, x, y, w, h, resize_counter=0):
statelog("move_resize%s", (x, y, w, h, resize_counter))
w = max(1, w)
h = max(1, h)
self._resize_counter = resize_counter
window = self.get_window()
if window.get_position()==(x, y):
#same location, just resize:
if self._size!=(w, h):
self.resize(w, h)
return
#we have to move:
mw, mh = self._client.get_root_size()
if not self.is_realized():
self.realize()
#adjust for window frame:
ox, oy = window.get_origin()[-2:]
rx, ry = window.get_root_origin()
ax = x - (ox - rx)
ay = y - (oy - ry)
#validate against edge of screen (ensure window is shown):
if (ax + w)<0:
ax = -w + 1
elif ax >= mw:
ax = mw - 1
if (ay + h)<0:
ay = -y + 1
elif ay >= mh:
ay = mh -1
if self._size==(w, h):
#just move:
window.move(ax, ay)
return
#resize:
self._size = (w, h)
window.move_resize(ax, ay, w, h)
#re-init the backing with the new size
self._backing.init(w, h)
def destroy(self):
ClientWindowBase.destroy(self)
gtk.Window.destroy(self)
self._unfocus()
def do_unmap_event(self, event):
eventslog("do_unmap_event(%s)", event)
self._unfocus()
if not self._override_redirect:
self.send("unmap-window", self._id, False)
def do_delete_event(self, event):
eventslog("do_delete_event(%s)", event)
self.send("close-window", self._id)
return True
def _pointer_modifiers(self, event):
pointer = (int(event.x_root), int(event.y_root))
modifiers = self._client.mask_to_names(event.state)
buttons = []
for mask, button in self.BUTTON_MASK.items():
if event.state & mask:
buttons.append(button)
return pointer, modifiers, buttons
def parse_key_event(self, event, pressed):
keyval = event.keyval
keycode = event.hardware_keycode
keyname = gdk.keyval_name(keyval)
keyname = KEY_TRANSLATIONS.get((keyname, keyval, keycode), keyname)
key_event = GTKKeyEvent()
key_event.modifiers = self._client.mask_to_names(event.state)
key_event.keyname = keyname or ""
key_event.keyval = keyval or 0
key_event.keycode = keycode
key_event.group = event.group
key_event.string = event.string or ""
key_event.pressed = pressed
keylog("parse_key_event(%s, %s)=%s", event, pressed, key_event)
return key_event
def do_key_press_event(self, event):
key_event = self.parse_key_event(event, True)
self._client.handle_key_action(self, key_event)
def do_key_release_event(self, event):
key_event = self.parse_key_event(event, False)
self._client.handle_key_action(self, key_event)
def _focus_change(self, *args):
assert not self._override_redirect
htf = self.has_toplevel_focus()
focuslog("%s focus_change(%s) has-toplevel-focus=%s, _been_mapped=%s", self, args, htf, self._been_mapped)
if self._been_mapped:
self._client.update_focus(self._id, htf)
def update_icon(self, width, height, coding, data):
coding = bytestostr(coding)
iconlog("%s.update_icon(%s, %s, %s, %s bytes)", self, width, height, coding, len(data))
if PYTHON3 and WIN32:
iconlog("not setting icon to prevent crashes..")
return
if coding == "premult_argb32": #we usually cannot do in-place and this is not performance critical
data = unpremultiply_argb(data)
rgba = memoryview_to_bytes(bgra_to_rgba(data))
pixbuf = get_pixbuf_from_data(rgba, True, width, height, width*4)
else:
loader = PixbufLoader()
loader.write(data)
loader.close()
pixbuf = loader.get_pixbuf()
#for debugging, save to a file so we can see it:
#pixbuf.save("C-%s-%s.png" % (self._id, int(time.time())), "png")
iconlog("%s.set_icon(%s)", self, pixbuf)
self.set_icon(pixbuf)