isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-11-30 20:01:00 -05:00
Code Issues Packages Projects Releases Wiki Activity
57359da9b4
mutter/src/x11/window-x11.c

2361 lines
76 KiB
C
Raw Blame History

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2001 Havoc Pennington, Anders Carlsson
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2004-2006 Elijah Newren
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "window-x11.h"
#include "window-x11-private.h"
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xlibint.h> /* For display->resource_mask */
#ifdef HAVE_SHAPE
#include <X11/extensions/shape.h>
#endif
#include <X11/extensions/Xcomposite.h>
#include "core.h"
#include <meta/common.h>
#include <meta/errors.h>
#include <meta/prefs.h>
#include <meta/meta-cursor-tracker.h>
#include "frame.h"
#include "window-private.h"
#include "window-props.h"
#include "xprops.h"
struct _MetaWindowX11Class
{
MetaWindowClass parent_class;
};
G_DEFINE_TYPE_WITH_PRIVATE (MetaWindowX11, meta_window_x11, META_TYPE_WINDOW)
static void
meta_window_x11_init (MetaWindowX11 *window_x11)
{
window_x11->priv = meta_window_x11_get_instance_private (window_x11);
}
static Window
read_client_leader (MetaDisplay *display,
Window xwindow)
{
Window retval = None;
meta_prop_get_window (display, xwindow,
display->atom_WM_CLIENT_LEADER,
&retval);
return retval;
}
typedef struct
{
Window leader;
} ClientLeaderData;
static gboolean
find_client_leader_func (MetaWindow *ancestor,
void *data)
{
ClientLeaderData *d;
d = data;
d->leader = read_client_leader (ancestor->display,
ancestor->xwindow);
/* keep going if no client leader found */
return d->leader == None;
}
static void
update_sm_hints (MetaWindow *window)
{
Window leader;
window->xclient_leader = None;
window->sm_client_id = NULL;
/* If not on the current window, we can get the client
* leader from transient parents. If we find a client
* leader, we read the SM_CLIENT_ID from it.
*/
leader = read_client_leader (window->display, window->xwindow);
if (leader == None)
{
ClientLeaderData d;
d.leader = None;
meta_window_foreach_ancestor (window, find_client_leader_func,
&d);
leader = d.leader;
}
if (leader != None)
{
char *str;
window->xclient_leader = leader;
if (meta_prop_get_latin1_string (window->display, leader,
window->display->atom_SM_CLIENT_ID,
&str))
{
window->sm_client_id = g_strdup (str);
meta_XFree (str);
}
}
else
{
meta_verbose ("Didn't find a client leader for %s\n", window->desc);
if (!meta_prefs_get_disable_workarounds ())
{
/* Some broken apps (kdelibs fault?) set SM_CLIENT_ID on the app
* instead of the client leader
*/
char *str;
str = NULL;
if (meta_prop_get_latin1_string (window->display, window->xwindow,
window->display->atom_SM_CLIENT_ID,
&str))
{
if (window->sm_client_id == NULL) /* first time through */
meta_warning ("Window %s sets SM_CLIENT_ID on itself, instead of on the WM_CLIENT_LEADER window as specified in the ICCCM.\n",
window->desc);
window->sm_client_id = g_strdup (str);
meta_XFree (str);
}
}
}
meta_verbose ("Window %s client leader: 0x%lx SM_CLIENT_ID: '%s'\n",
window->desc, window->xclient_leader,
window->sm_client_id ? window->sm_client_id : "none");
}
static void
send_configure_notify (MetaWindow *window)
{
XEvent event;
/* from twm */
event.type = ConfigureNotify;
event.xconfigure.display = window->display->xdisplay;
event.xconfigure.event = window->xwindow;
event.xconfigure.window = window->xwindow;
event.xconfigure.x = window->rect.x - window->border_width;
event.xconfigure.y = window->rect.y - window->border_width;
if (window->frame)
{
if (window->withdrawn)
{
MetaFrameBorders borders;
/* We reparent the client window and put it to the position
* where the visible top-left of the frame window currently is.
*/
meta_frame_calc_borders (window->frame, &borders);
event.xconfigure.x = window->frame->rect.x + borders.invisible.left;
event.xconfigure.y = window->frame->rect.y + borders.invisible.top;
}
else
{
/* Need to be in root window coordinates */
event.xconfigure.x += window->frame->rect.x;
event.xconfigure.y += window->frame->rect.y;
}
}
event.xconfigure.width = window->rect.width;
event.xconfigure.height = window->rect.height;
event.xconfigure.border_width = window->border_width; /* requested not actual */
event.xconfigure.above = None; /* FIXME */
event.xconfigure.override_redirect = False;
meta_topic (META_DEBUG_GEOMETRY,
"Sending synthetic configure notify to %s with x: %d y: %d w: %d h: %d\n",
window->desc,
event.xconfigure.x, event.xconfigure.y,
event.xconfigure.width, event.xconfigure.height);
meta_error_trap_push (window->display);
XSendEvent (window->display->xdisplay,
window->xwindow,
False, StructureNotifyMask, &event);
meta_error_trap_pop (window->display);
}
static void
meta_window_x11_manage (MetaWindow *window)
{
MetaDisplay *display = window->display;
meta_display_register_x_window (display, &window->xwindow, window);
meta_window_x11_update_shape_region (window);
meta_window_x11_update_input_region (window);
/* assign the window to its group, or create a new group if needed */
window->group = NULL;
window->xgroup_leader = None;
meta_window_compute_group (window);
meta_window_load_initial_properties (window);
if (!window->override_redirect)
update_sm_hints (window); /* must come after transient_for */
meta_window_x11_update_net_wm_type (window);
}
static void
meta_window_x11_unmanage (MetaWindow *window)
{
meta_error_trap_push (window->display);
if (window->withdrawn)
{
/* We need to clean off the window's state so it
* won't be restored if the app maps it again.
*/
meta_verbose ("Cleaning state from window %s\n", window->desc);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_DESKTOP);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_STATE);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_FULLSCREEN_MONITORS);
meta_window_x11_set_wm_state (window);
}
else
{
/* We need to put WM_STATE so that others will understand it on
* restart.
*/
if (!window->minimized)
meta_window_x11_set_wm_state (window);
/* If we're unmanaging a window that is not withdrawn, then
* either (a) mutter is exiting, in which case we need to map
* the window so the next WM will know that it's not Withdrawn,
* or (b) we want to create a new MetaWindow to replace the
* current one, which will happen automatically if we re-map
* the X Window.
*/
XMapWindow (window->display->xdisplay,
window->xwindow);
}
meta_display_unregister_x_window (window->display, window->xwindow);
/* Put back anything we messed up */
if (window->border_width != 0)
XSetWindowBorderWidth (window->display->xdisplay,
window->xwindow,
window->border_width);
/* No save set */
XRemoveFromSaveSet (window->display->xdisplay,
window->xwindow);
/* Even though the window is now unmanaged, we can't unselect events. This
* window might be a window from this process, like a GdkMenu, in
* which case it will have pointer events and so forth selected
* for it by GDK. There's no way to disentangle those events from the events
* we've selected. Even for a window from a different X client,
* GDK could also have selected events for it for IPC purposes, so we
* can't unselect in that case either.
*
* Similarly, we can't unselected for events on window->user_time_window.
* It might be our own GDK focus window, or it might be a window that a
* different client is using for multiple different things:
* _NET_WM_USER_TIME_WINDOW and IPC, perhaps.
*/
if (window->user_time_window != None)
{
meta_display_unregister_x_window (window->display,
window->user_time_window);
window->user_time_window = None;
}
#ifdef HAVE_SHAPE
if (META_DISPLAY_HAS_SHAPE (window->display))
XShapeSelectInput (window->display->xdisplay, window->xwindow, NoEventMask);
#endif
/* The XReparentWindow call in meta_window_destroy_frame() moves the
* window so we need to send a configure notify; see bug 399552. (We
* also do this just in case a window got unmaximized.)
*/
send_configure_notify (window);
meta_error_trap_pop (window->display);
}
static void
update_net_frame_extents (MetaWindow *window)
{
unsigned long data[4];
MetaFrameBorders borders;
meta_frame_calc_borders (window->frame, &borders);
/* Left */
data[0] = borders.visible.left;
/* Right */
data[1] = borders.visible.right;
/* Top */
data[2] = borders.visible.top;
/* Bottom */
data[3] = borders.visible.bottom;
meta_topic (META_DEBUG_GEOMETRY,
"Setting _NET_FRAME_EXTENTS on managed window 0x%lx "
"to left = %lu, right = %lu, top = %lu, bottom = %lu\n",
window->xwindow, data[0], data[1], data[2], data[3]);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom__NET_FRAME_EXTENTS,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 4);
meta_error_trap_pop (window->display);
}
#ifdef HAVE_XSYNC
static gboolean
sync_request_timeout (gpointer data)
{
MetaWindow *window = data;
window->sync_request_timeout_id = 0;
/* We have now waited for more than a second for the
* application to respond to the sync request
*/
window->disable_sync = TRUE;
/* Reset the wait serial, so we don't continue freezing
* window updates
*/
window->sync_request_wait_serial = 0;
meta_compositor_set_updates_frozen (window->display->compositor, window,
meta_window_updates_are_frozen (window));
if (window == window->display->grab_window &&
meta_grab_op_is_resizing (window->display->grab_op))
{
meta_window_update_resize (window,
window->display->grab_last_user_action_was_snap,
window->display->grab_latest_motion_x,
window->display->grab_latest_motion_y,
TRUE);
}
return FALSE;
}
static void
send_sync_request (MetaWindow *window)
{
XClientMessageEvent ev;
gint64 wait_serial;
/* For the old style of _NET_WM_SYNC_REQUEST_COUNTER, we just have to
* increase the value, but for the new "extended" style we need to
* pick an even (unfrozen) value sufficiently ahead of the last serial
* that we received from the client; the same code still works
* for the old style. The increment of 240 is specified by the EWMH
* and is (1 second) * (60fps) * (an increment of 4 per frame).
*/
wait_serial = window->sync_request_serial + 240;
window->sync_request_wait_serial = wait_serial;
ev.type = ClientMessage;
ev.window = window->xwindow;
ev.message_type = window->display->atom_WM_PROTOCOLS;
ev.format = 32;
ev.data.l[0] = window->display->atom__NET_WM_SYNC_REQUEST;
/* FIXME: meta_display_get_current_time() is bad, but since calls
* come from meta_window_move_resize_internal (which in turn come
* from all over), I'm not sure what we can do to fix it. Do we
* want to use _roundtrip, though?
*/
ev.data.l[1] = meta_display_get_current_time (window->display);
ev.data.l[2] = wait_serial & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[3] = wait_serial >> 32;
ev.data.l[4] = window->extended_sync_request_counter ? 1 : 0;
/* We don't need to trap errors here as we are already
* inside an error_trap_push()/pop() pair.
*/
XSendEvent (window->display->xdisplay,
window->xwindow, False, 0, (XEvent*) &ev);
/* We give the window 1 sec to respond to _NET_WM_SYNC_REQUEST;
* if this time expires, we consider the window unresponsive
* and resize it unsynchonized.
*/
window->sync_request_timeout_id = g_timeout_add (1000,
sync_request_timeout,
window);
meta_compositor_set_updates_frozen (window->display->compositor, window,
meta_window_updates_are_frozen (window));
}
#endif
static void
meta_window_x11_move_resize_internal (MetaWindow *window,
int gravity,
MetaRectangle requested_rect,
MetaRectangle constrained_rect,
MetaMoveResizeFlags flags,
MetaMoveResizeResultFlags *result)
{
int root_x_nw, root_y_nw;
int w, h;
int client_move_x, client_move_y;
int size_dx, size_dy;
XWindowChanges values;
unsigned int mask;
gboolean need_configure_notify;
MetaFrameBorders borders;
gboolean need_move_client = FALSE;
gboolean need_move_frame = FALSE;
gboolean need_resize_client = FALSE;
gboolean need_resize_frame = FALSE;
gboolean frame_shape_changed = FALSE;
gboolean configure_frame_first;
gboolean is_configure_request;
is_configure_request = (flags & META_IS_CONFIGURE_REQUEST) != 0;
/* meta_window_constrain() might have maximized the window after placement,
* changing the borders.
*/
meta_frame_calc_borders (window->frame, &borders);
root_x_nw = constrained_rect.x;
root_y_nw = constrained_rect.y;
w = constrained_rect.width;
h = constrained_rect.height;
if (w != window->rect.width ||
h != window->rect.height)
need_resize_client = TRUE;
window->rect.width = w;
window->rect.height = h;
if (window->frame)
{
int frame_size_dx, frame_size_dy;
int new_w, new_h;
new_w = window->rect.width + borders.total.left + borders.total.right;
if (window->shaded)
new_h = borders.total.top;
else
new_h = window->rect.height + borders.total.top + borders.total.bottom;
frame_size_dx = new_w - window->frame->rect.width;
frame_size_dy = new_h - window->frame->rect.height;
need_resize_frame = (frame_size_dx != 0 || frame_size_dy != 0);
window->frame->rect.width = new_w;
window->frame->rect.height = new_h;
meta_topic (META_DEBUG_GEOMETRY,
"Calculated frame size %dx%d\n",
window->frame->rect.width,
window->frame->rect.height);
}
/* For nice effect, when growing the window we want to move/resize
* the frame first, when shrinking the window we want to move/resize
* the client first. If we grow one way and shrink the other,
* see which way we're moving "more"
*
* Mail from Owen subject "Suggestion: Gravity and resizing from the left"
* http://mail.gnome.org/archives/wm-spec-list/1999-November/msg00088.html
*
* An annoying fact you need to know in this code is that StaticGravity
* does nothing if you _only_ resize or _only_ move the frame;
* it must move _and_ resize, otherwise you get NorthWestGravity
* behavior. The move and resize must actually occur, it is not
* enough to set CWX | CWWidth but pass in the current size/pos.
*/
if (window->frame)
{
int new_x, new_y;
int frame_pos_dx, frame_pos_dy;
/* Compute new frame coords */
new_x = root_x_nw - borders.total.left;
new_y = root_y_nw - borders.total.top;
frame_pos_dx = new_x - window->frame->rect.x;
frame_pos_dy = new_y - window->frame->rect.y;
need_move_frame = (frame_pos_dx != 0 || frame_pos_dy != 0);
window->frame->rect.x = new_x;
window->frame->rect.y = new_y;
/* If frame will both move and resize, then StaticGravity
* on the child window will kick in and implicitly move
* the child with respect to the frame. The implicit
* move will keep the child in the same place with
* respect to the root window. If frame only moves
* or only resizes, then the child will just move along
* with the frame.
*/
/* window->rect.x, window->rect.y are relative to frame,
* remember they are the server coords
*/
new_x = borders.total.left;
new_y = borders.total.top;
client_move_x = new_x;
client_move_y = new_y;
if (client_move_x != window->rect.x ||
client_move_y != window->rect.y)
need_move_client = TRUE;
/* This is the final target position, but not necessarily what
* we pass to XConfigureWindow, due to StaticGravity implicit
* movement.
*/
window->rect.x = new_x;
window->rect.y = new_y;
}
else
{
if (root_x_nw != window->rect.x ||
root_y_nw != window->rect.y)
need_move_client = TRUE;
window->rect.x = root_x_nw;
window->rect.y = root_y_nw;
client_move_x = window->rect.x;
client_move_y = window->rect.y;
}
/* If frame extents have changed, fill in other frame fields and
change frame's extents property. */
if (window->frame &&
(window->frame->child_x != borders.total.left ||
window->frame->child_y != borders.total.top ||
window->frame->right_width != borders.total.right ||
window->frame->bottom_height != borders.total.bottom))
{
window->frame->child_x = borders.total.left;
window->frame->child_y = borders.total.top;
window->frame->right_width = borders.total.right;
window->frame->bottom_height = borders.total.bottom;
update_net_frame_extents (window);
}
/* See ICCCM 4.1.5 for when to send ConfigureNotify */
need_configure_notify = FALSE;
/* If this is a configure request and we change nothing, then we
* must send configure notify.
*/
if (is_configure_request &&
!(need_move_client || need_move_frame ||
need_resize_client || need_resize_frame ||
window->border_width != 0))
need_configure_notify = TRUE;
/* We must send configure notify if we move but don't resize, since
* the client window may not get a real event
*/
if ((need_move_client || need_move_frame) &&
!(need_resize_client || need_resize_frame))
need_configure_notify = TRUE;
/* MapRequest events with a PPosition or UPosition hint with a frame
* are moved by mutter without resizing; send a configure notify
* in such cases. See #322840. (Note that window->constructing is
* only true iff this call is due to a MapRequest, and when
* PPosition/UPosition hints aren't set, mutter seems to send a
* ConfigureNotify anyway due to the above code.)
*/
if (window->constructing && window->frame &&
((window->size_hints.flags & PPosition) ||
(window->size_hints.flags & USPosition)))
need_configure_notify = TRUE;
/* The rest of this function syncs our new size/pos with X as
* efficiently as possible
*/
/* Normally, we configure the frame first depending on whether
* we grow the frame more than we shrink. The idea is to avoid
* messing up the window contents by having a temporary situation
* where the frame is smaller than the window. However, if we're
* cooperating with the client to create an atomic frame upate,
* and the window is redirected, then we should always update
* the frame first, since updating the frame will force a new
* backing pixmap to be allocated, and the old backing pixmap
* will be left undisturbed for us to paint to the screen until
* the client finishes redrawing.
*/
if (window->extended_sync_request_counter)
{
configure_frame_first = TRUE;
}
else
{
size_dx = w - window->rect.width;
size_dy = h - window->rect.height;
configure_frame_first = size_dx + size_dy >= 0;
}
if (configure_frame_first && window->frame)
frame_shape_changed = meta_frame_sync_to_window (window->frame,
gravity,
need_move_frame, need_resize_frame);
values.border_width = 0;
values.x = client_move_x;
values.y = client_move_y;
values.width = window->rect.width;
values.height = window->rect.height;
mask = 0;
if (is_configure_request && window->border_width != 0)
mask |= CWBorderWidth; /* must force to 0 */
if (need_move_client)
mask |= (CWX | CWY);
if (need_resize_client)
mask |= (CWWidth | CWHeight);
if (mask != 0)
{
{
int newx, newy;
meta_window_get_position (window, &newx, &newy);
meta_topic (META_DEBUG_GEOMETRY,
"Syncing new client geometry %d,%d %dx%d, border: %s pos: %s size: %s\n",
newx, newy,
window->rect.width, window->rect.height,
mask & CWBorderWidth ? "true" : "false",
need_move_client ? "true" : "false",
need_resize_client ? "true" : "false");
}
meta_error_trap_push (window->display);
#ifdef HAVE_XSYNC
if (window == window->display->grab_window &&
meta_grab_op_is_resizing (window->display->grab_op) &&
!window->disable_sync &&
window->sync_request_counter != None &&
window->sync_request_alarm != None &&
window->sync_request_timeout_id == 0)
{
send_sync_request (window);
}
#endif
XConfigureWindow (window->display->xdisplay,
window->xwindow,
mask,
&values);
meta_error_trap_pop (window->display);
}
if (!configure_frame_first && window->frame)
frame_shape_changed = meta_frame_sync_to_window (window->frame,
gravity,
need_move_frame, need_resize_frame);
if (need_configure_notify)
send_configure_notify (window);
if (frame_shape_changed)
*result |= META_MOVE_RESIZE_RESULT_FRAME_SHAPE_CHANGED;
if (need_move_client || need_move_frame)
*result |= META_MOVE_RESIZE_RESULT_MOVED;
if (need_resize_client || need_resize_frame)
*result |= META_MOVE_RESIZE_RESULT_RESIZED;
}
static void
meta_window_x11_get_default_skip_hints (MetaWindow *window,
gboolean *skip_taskbar_out,
gboolean *skip_pager_out)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
*skip_taskbar_out = priv->wm_state_skip_taskbar;
*skip_pager_out = priv->wm_state_skip_pager;
}
static void
meta_window_x11_class_init (MetaWindowX11Class *klass)
{
MetaWindowClass *window_class = META_WINDOW_CLASS (klass);
window_class->manage = meta_window_x11_manage;
window_class->unmanage = meta_window_x11_unmanage;
window_class->move_resize_internal = meta_window_x11_move_resize_internal;
window_class->get_default_skip_hints = meta_window_x11_get_default_skip_hints;
}
void
meta_window_x11_set_net_wm_state (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
int i;
unsigned long data[13];
i = 0;
if (window->shaded)
{
data[i] = window->display->atom__NET_WM_STATE_SHADED;
++i;
}
if (priv->wm_state_modal)
{
data[i] = window->display->atom__NET_WM_STATE_MODAL;
++i;
}
if (window->skip_pager)
{
data[i] = window->display->atom__NET_WM_STATE_SKIP_PAGER;
++i;
}
if (window->skip_taskbar)
{
data[i] = window->display->atom__NET_WM_STATE_SKIP_TASKBAR;
++i;
}
if (window->maximized_horizontally)
{
data[i] = window->display->atom__NET_WM_STATE_MAXIMIZED_HORZ;
++i;
}
if (window->maximized_vertically)
{
data[i] = window->display->atom__NET_WM_STATE_MAXIMIZED_VERT;
++i;
}
if (window->fullscreen)
{
data[i] = window->display->atom__NET_WM_STATE_FULLSCREEN;
++i;
}
if (!meta_window_showing_on_its_workspace (window) || window->shaded)
{
data[i] = window->display->atom__NET_WM_STATE_HIDDEN;
++i;
}
if (window->wm_state_above)
{
data[i] = window->display->atom__NET_WM_STATE_ABOVE;
++i;
}
if (window->wm_state_below)
{
data[i] = window->display->atom__NET_WM_STATE_BELOW;
++i;
}
if (window->wm_state_demands_attention)
{
data[i] = window->display->atom__NET_WM_STATE_DEMANDS_ATTENTION;
++i;
}
if (window->on_all_workspaces_requested)
{
data[i] = window->display->atom__NET_WM_STATE_STICKY;
++i;
}
if (meta_window_appears_focused (window))
{
data[i] = window->display->atom__NET_WM_STATE_FOCUSED;
++i;
}
meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom__NET_WM_STATE,
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
meta_error_trap_pop (window->display);
if (window->fullscreen)
{
if (window->fullscreen_monitors[0] >= 0)
{
data[0] = meta_screen_monitor_index_to_xinerama_index (window->screen,
window->fullscreen_monitors[0]);
data[1] = meta_screen_monitor_index_to_xinerama_index (window->screen,
window->fullscreen_monitors[1]);
data[2] = meta_screen_monitor_index_to_xinerama_index (window->screen,
window->fullscreen_monitors[2]);
data[3] = meta_screen_monitor_index_to_xinerama_index (window->screen,
window->fullscreen_monitors[3]);
meta_verbose ("Setting _NET_WM_FULLSCREEN_MONITORS\n");
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_FULLSCREEN_MONITORS,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) data, 4);
meta_error_trap_pop (window->display);
}
else
{
meta_verbose ("Clearing _NET_WM_FULLSCREEN_MONITORS\n");
meta_error_trap_push (window->display);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_FULLSCREEN_MONITORS);
meta_error_trap_pop (window->display);
}
}
}
void
meta_window_x11_update_net_wm_type (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
int n_atoms;
Atom *atoms;
int i;
priv->type_atom = None;
n_atoms = 0;
atoms = NULL;
meta_prop_get_atom_list (window->display, window->xwindow,
window->display->atom__NET_WM_WINDOW_TYPE,
&atoms, &n_atoms);
i = 0;
while (i < n_atoms)
{
/* We break as soon as we find one we recognize,
* supposed to prefer those near the front of the list
*/
if (atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DESKTOP ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DOCK ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_TOOLBAR ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_MENU ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_UTILITY ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_SPLASH ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DIALOG ||
atoms[i] ==
window->display->atom__NET_WM_WINDOW_TYPE_DROPDOWN_MENU ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_POPUP_MENU ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_TOOLTIP ||
atoms[i] ==
window->display->atom__NET_WM_WINDOW_TYPE_NOTIFICATION ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_COMBO ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DND ||
atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_NORMAL)
{
priv->type_atom = atoms[i];
break;
}
++i;
}
meta_XFree (atoms);
if (meta_is_verbose ())
{
char *str;
str = NULL;
if (priv->type_atom != None)
{
meta_error_trap_push (window->display);
str = XGetAtomName (window->display->xdisplay, priv->type_atom);
meta_error_trap_pop (window->display);
}
meta_verbose ("Window %s type atom %s\n", window->desc,
str ? str : "(none)");
if (str)
meta_XFree (str);
}
meta_window_x11_recalc_window_type (window);
}
void
meta_window_x11_update_role (MetaWindow *window)
{
char *str;
g_return_if_fail (!window->override_redirect);
if (window->role)
g_free (window->role);
window->role = NULL;
if (meta_prop_get_latin1_string (window->display, window->xwindow,
window->display->atom_WM_WINDOW_ROLE,
&str))
{
window->role = g_strdup (str);
meta_XFree (str);
}
meta_verbose ("Updated role of %s to '%s'\n",
window->desc, window->role ? window->role : "null");
}
static void
meta_window_set_opaque_region (MetaWindow *window,
cairo_region_t *region)
{
g_clear_pointer (&window->opaque_region, cairo_region_destroy);
if (region != NULL)
window->opaque_region = cairo_region_reference (region);
meta_compositor_window_shape_changed (window->display->compositor, window);
}
void
meta_window_x11_update_opaque_region (MetaWindow *window)
{
cairo_region_t *opaque_region = NULL;
gulong *region = NULL;
int nitems;
if (meta_prop_get_cardinal_list (window->display,
window->xwindow,
window->display->atom__NET_WM_OPAQUE_REGION,
&region, &nitems))
{
cairo_rectangle_int_t *rects;
int i, rect_index, nrects;
if (nitems % 4 != 0)
{
meta_verbose ("_NET_WM_OPAQUE_REGION does not have a list of 4-tuples.");
goto out;
}
/* empty region */
if (nitems == 0)
goto out;
nrects = nitems / 4;
rects = g_new (cairo_rectangle_int_t, nrects);
rect_index = 0;
i = 0;
while (i < nitems)
{
cairo_rectangle_int_t *rect = &rects[rect_index];
rect->x = region[i++];
rect->y = region[i++];
rect->width = region[i++];
rect->height = region[i++];
rect_index++;
}
opaque_region = cairo_region_create_rectangles (rects, nrects);
g_free (rects);
}
out:
meta_XFree (region);
meta_window_set_opaque_region (window, opaque_region);
cairo_region_destroy (opaque_region);
}
static cairo_region_t *
region_create_from_x_rectangles (const XRectangle *rects,
int n_rects)
{
int i;
cairo_rectangle_int_t *cairo_rects = g_newa (cairo_rectangle_int_t, n_rects);
for (i = 0; i < n_rects; i ++)
{
cairo_rects[i].x = rects[i].x;
cairo_rects[i].y = rects[i].y;
cairo_rects[i].width = rects[i].width;
cairo_rects[i].height = rects[i].height;
}
return cairo_region_create_rectangles (cairo_rects, n_rects);
}
static void
meta_window_set_input_region (MetaWindow *window,
cairo_region_t *region)
{
g_clear_pointer (&window->input_region, cairo_region_destroy);
if (region != NULL)
window->input_region = cairo_region_reference (region);
meta_compositor_window_shape_changed (window->display->compositor, window);
}
#if 0
/* Print out a region; useful for debugging */
static void
print_region (cairo_region_t *region)
{
int n_rects;
int i;
n_rects = cairo_region_num_rectangles (region);
g_print ("[");
for (i = 0; i < n_rects; i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (region, i, &rect);
g_print ("+%d+%dx%dx%d ",
rect.x, rect.y, rect.width, rect.height);
}
g_print ("]\n");
}
#endif
void
meta_window_x11_update_input_region (MetaWindow *window)
{
cairo_region_t *region = NULL;
/* Decorated windows don't have an input region, because
we don't shape the frame to match the client windows
(so the events are blocked by the frame anyway)
*/
if (window->decorated)
{
if (window->input_region)
meta_window_set_input_region (window, NULL);
return;
}
#ifdef HAVE_SHAPE
if (META_DISPLAY_HAS_SHAPE (window->display))
{
/* Translate the set of XShape rectangles that we
* get from the X server to a cairo_region. */
XRectangle *rects = NULL;
int n_rects, ordering;
meta_error_trap_push (window->display);
rects = XShapeGetRectangles (window->display->xdisplay,
window->xwindow,
ShapeInput,
&n_rects,
&ordering);
meta_error_trap_pop (window->display);
/* XXX: The x shape extension doesn't provide a way to only test if an
* input shape has been specified, so we have to query and throw away the
* rectangles. */
if (rects)
{
if (n_rects > 1 ||
(n_rects == 1 &&
(rects[0].x != 0 ||
rects[0].y != 0 ||
rects[0].width != window->rect.width ||
rects[0].height != window->rect.height)))
region = region_create_from_x_rectangles (rects, n_rects);
XFree (rects);
}
}
#endif /* HAVE_SHAPE */
if (region != NULL)
{
cairo_rectangle_int_t client_area;
client_area.x = 0;
client_area.y = 0;
client_area.width = window->rect.width;
client_area.height = window->rect.height;
/* The shape we get back from the client may have coordinates
* outside of the frame. The X SHAPE Extension requires that
* the overall shape the client provides never exceeds the
* "bounding rectangle" of the window -- the shape that the
* window would have gotten if it was unshaped. In our case,
* this is simply the client area.
*/
cairo_region_intersect_rectangle (region, &client_area);
}
meta_window_set_input_region (window, region);
cairo_region_destroy (region);
}
static void
meta_window_set_shape_region (MetaWindow *window,
cairo_region_t *region)
{
g_clear_pointer (&window->shape_region, cairo_region_destroy);
if (region != NULL)
window->shape_region = cairo_region_reference (region);
meta_compositor_window_shape_changed (window->display->compositor, window);
}
void
meta_window_x11_update_shape_region (MetaWindow *window)
{
cairo_region_t *region = NULL;
#ifdef HAVE_SHAPE
if (META_DISPLAY_HAS_SHAPE (window->display))
{
/* Translate the set of XShape rectangles that we
* get from the X server to a cairo_region. */
XRectangle *rects = NULL;
int n_rects, ordering;
int x_bounding, y_bounding, x_clip, y_clip;
unsigned w_bounding, h_bounding, w_clip, h_clip;
int bounding_shaped, clip_shaped;
meta_error_trap_push (window->display);
XShapeQueryExtents (window->display->xdisplay, window->xwindow,
&bounding_shaped, &x_bounding, &y_bounding,
&w_bounding, &h_bounding,
&clip_shaped, &x_clip, &y_clip,
&w_clip, &h_clip);
if (bounding_shaped)
{
rects = XShapeGetRectangles (window->display->xdisplay,
window->xwindow,
ShapeBounding,
&n_rects,
&ordering);
}
meta_error_trap_pop (window->display);
if (rects)
{
region = region_create_from_x_rectangles (rects, n_rects);
XFree (rects);
}
}
#endif /* HAVE_SHAPE */
if (region != NULL)
{
cairo_rectangle_int_t client_area;
client_area.x = 0;
client_area.y = 0;
client_area.width = window->rect.width;
client_area.height = window->rect.height;
/* The shape we get back from the client may have coordinates
* outside of the frame. The X SHAPE Extension requires that
* the overall shape the client provides never exceeds the
* "bounding rectangle" of the window -- the shape that the
* window would have gotten if it was unshaped. In our case,
* this is simply the client area.
*/
cairo_region_intersect_rectangle (region, &client_area);
}
meta_window_set_shape_region (window, region);
cairo_region_destroy (region);
}
/* Generally meta_window_same_application() is a better idea
* of "sameness", since it handles the case where multiple apps
* want to look like the same app or the same app wants to look
* like multiple apps, but in the case of workarounds for legacy
* applications (which likely aren't setting the group properly
* anyways), it may be desirable to check this as well.
*/
static gboolean
meta_window_same_client (MetaWindow *window,
MetaWindow *other_window)
{
int resource_mask = window->display->xdisplay->resource_mask;
return ((window->xwindow & ~resource_mask) ==
(other_window->xwindow & ~resource_mask));
}
gboolean
meta_window_x11_configure_request (MetaWindow *window,
XEvent *event)
{
/* Note that x, y is the corner of the window border,
* and width, height is the size of the window inside
* its border, but that we always deny border requests
* and give windows a border of 0. But we save the
* requested border here.
*/
if (event->xconfigurerequest.value_mask & CWBorderWidth)
window->border_width = event->xconfigurerequest.border_width;
meta_window_move_resize_request(window,
event->xconfigurerequest.value_mask,
window->size_hints.win_gravity,
event->xconfigurerequest.x,
event->xconfigurerequest.y,
event->xconfigurerequest.width,
event->xconfigurerequest.height);
/* Handle stacking. We only handle raises/lowers, mostly because
* stack.c really can't deal with anything else. I guess we'll fix
* that if a client turns up that really requires it. Only a very
* few clients even require the raise/lower (and in fact all client
* attempts to deal with stacking order are essentially broken,
* since they have no idea what other clients are involved or how
* the stack looks).
*
* I'm pretty sure no interesting client uses TopIf, BottomIf, or
* Opposite anyway, so the only possible missing thing is
* Above/Below with a sibling set. For now we just pretend there's
* never a sibling set and always do the full raise/lower instead of
* the raise-just-above/below-sibling.
*/
if (event->xconfigurerequest.value_mask & CWStackMode)
{
MetaWindow *active_window;
active_window = window->display->focus_window;
if (meta_prefs_get_disable_workarounds ())
{
meta_topic (META_DEBUG_STACK,
"%s sent an xconfigure stacking request; this is "
"broken behavior and the request is being ignored.\n",
window->desc);
}
else if (active_window &&
!meta_window_same_application (window, active_window) &&
!meta_window_same_client (window, active_window) &&
XSERVER_TIME_IS_BEFORE (window->net_wm_user_time,
active_window->net_wm_user_time))
{
meta_topic (META_DEBUG_STACK,
"Ignoring xconfigure stacking request from %s (with "
"user_time %u); currently active application is %s (with "
"user_time %u).\n",
window->desc,
window->net_wm_user_time,
active_window->desc,
active_window->net_wm_user_time);
if (event->xconfigurerequest.detail == Above)
meta_window_set_demands_attention(window);
}
else
{
switch (event->xconfigurerequest.detail)
{
case Above:
meta_window_raise (window);
break;
case Below:
meta_window_lower (window);
break;
case TopIf:
case BottomIf:
case Opposite:
break;
}
}
}
return TRUE;
}
static gboolean
process_property_notify (MetaWindow *window,
XPropertyEvent *event)
{
Window xid = window->xwindow;
if (meta_is_verbose ()) /* avoid looking up the name if we don't have to */
{
char *property_name = XGetAtomName (window->display->xdisplay,
event->atom);
meta_verbose ("Property notify on %s for %s\n",
window->desc, property_name);
XFree (property_name);
}
if (event->atom == window->display->atom__NET_WM_USER_TIME &&
window->user_time_window)
{
xid = window->user_time_window;
}
meta_window_reload_property_from_xwindow (window, xid, event->atom, FALSE);
return TRUE;
}
gboolean
meta_window_x11_property_notify (MetaWindow *window,
XEvent *event)
{
return process_property_notify (window, &event->xproperty);
}
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#define _NET_WM_MOVERESIZE_MOVE 8
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10
#define _NET_WM_MOVERESIZE_CANCEL 11
static int
query_pressed_buttons (MetaWindow *window)
{
ClutterModifierType mods;
int button = 0;
meta_cursor_tracker_get_pointer (window->screen->cursor_tracker,
NULL, NULL, &mods);
if (mods & CLUTTER_BUTTON1_MASK)
button |= 1 << 1;
if (mods & CLUTTER_BUTTON2_MASK)
button |= 1 << 2;
if (mods & CLUTTER_BUTTON3_MASK)
button |= 1 << 3;
return button;
}
gboolean
meta_window_x11_client_message (MetaWindow *window,
XEvent *event)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
MetaDisplay *display;
display = window->display;
if (window->override_redirect)
{
/* Don't warn here: we could warn on any of the messages below,
* but we might also receive other client messages that are
* part of protocols we don't know anything about. So, silently
* ignoring is simplest.
*/
return FALSE;
}
if (event->xclient.message_type ==
display->atom__NET_CLOSE_WINDOW)
{
guint32 timestamp;
if (event->xclient.data.l[0] != 0)
timestamp = event->xclient.data.l[0];
else
{
meta_warning ("Receiving a NET_CLOSE_WINDOW message for %s without "
"a timestamp! This means some buggy (outdated) "
"application is on the loose!\n",
window->desc);
timestamp = meta_display_get_current_time (window->display);
}
meta_window_delete (window, timestamp);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_WM_DESKTOP)
{
int space;
MetaWorkspace *workspace;
space = event->xclient.data.l[0];
meta_verbose ("Request to move %s to workspace %d\n",
window->desc, space);
workspace =
meta_screen_get_workspace_by_index (window->screen,
space);
if (workspace)
{
if (window->on_all_workspaces_requested)
meta_window_unstick (window);
meta_window_change_workspace (window, workspace);
}
else if (space == (int) 0xFFFFFFFF)
{
meta_window_stick (window);
}
else
{
meta_verbose ("No such workspace %d for screen\n", space);
}
meta_verbose ("Window %s now on_all_workspaces = %d\n",
window->desc, window->on_all_workspaces);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_WM_STATE)
{
gulong action;
Atom first;
Atom second;
action = event->xclient.data.l[0];
first = event->xclient.data.l[1];
second = event->xclient.data.l[2];
if (meta_is_verbose ())
{
char *str1;
char *str2;
meta_error_trap_push_with_return (display);
str1 = XGetAtomName (display->xdisplay, first);
if (meta_error_trap_pop_with_return (display) != Success)
str1 = NULL;
meta_error_trap_push_with_return (display);
str2 = XGetAtomName (display->xdisplay, second);
if (meta_error_trap_pop_with_return (display) != Success)
str2 = NULL;
meta_verbose ("Request to change _NET_WM_STATE action %lu atom1: %s atom2: %s\n",
action,
str1 ? str1 : "(unknown)",
str2 ? str2 : "(unknown)");
meta_XFree (str1);
meta_XFree (str2);
}
if (first == display->atom__NET_WM_STATE_SHADED ||
second == display->atom__NET_WM_STATE_SHADED)
{
gboolean shade;
guint32 timestamp;
/* Stupid protocol has no timestamp; of course, shading
* sucks anyway so who really cares that we're forced to do
* a roundtrip here?
*/
timestamp = meta_display_get_current_time_roundtrip (window->display);
shade = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->shaded));
if (shade && window->has_shade_func)
meta_window_shade (window, timestamp);
else
meta_window_unshade (window, timestamp);
}
if (first == display->atom__NET_WM_STATE_FULLSCREEN ||
second == display->atom__NET_WM_STATE_FULLSCREEN)
{
gboolean make_fullscreen;
make_fullscreen = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->fullscreen));
if (make_fullscreen && window->has_fullscreen_func)
meta_window_make_fullscreen (window);
else
meta_window_unmake_fullscreen (window);
}
if (first == display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
second == display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
first == display->atom__NET_WM_STATE_MAXIMIZED_VERT ||
second == display->atom__NET_WM_STATE_MAXIMIZED_VERT)
{
gboolean max;
MetaMaximizeFlags directions = 0;
max = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE &&
!window->maximized_horizontally));
if (first == display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
second == display->atom__NET_WM_STATE_MAXIMIZED_HORZ)
directions |= META_MAXIMIZE_HORIZONTAL;
if (first == display->atom__NET_WM_STATE_MAXIMIZED_VERT ||
second == display->atom__NET_WM_STATE_MAXIMIZED_VERT)
directions |= META_MAXIMIZE_VERTICAL;
if (max && window->has_maximize_func)
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
meta_window_maximize (window, directions);
}
else
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
meta_window_unmaximize (window, directions);
}
}
if (first == display->atom__NET_WM_STATE_MODAL ||
second == display->atom__NET_WM_STATE_MODAL)
{
priv->wm_state_modal =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !priv->wm_state_modal);
meta_window_x11_recalc_window_type (window);
meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
}
if (first == display->atom__NET_WM_STATE_SKIP_PAGER ||
second == display->atom__NET_WM_STATE_SKIP_PAGER)
{
priv->wm_state_skip_pager =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->skip_pager);
meta_window_recalc_features (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == display->atom__NET_WM_STATE_SKIP_TASKBAR ||
second == display->atom__NET_WM_STATE_SKIP_TASKBAR)
{
priv->wm_state_skip_taskbar =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->skip_taskbar);
meta_window_recalc_features (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == display->atom__NET_WM_STATE_ABOVE ||
second == display->atom__NET_WM_STATE_ABOVE)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention))
meta_window_make_above (window);
else
meta_window_unmake_above (window);
}
if (first == display->atom__NET_WM_STATE_BELOW ||
second == display->atom__NET_WM_STATE_BELOW)
{
window->wm_state_below =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_below);
meta_window_update_layer (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == display->atom__NET_WM_STATE_DEMANDS_ATTENTION ||
second == display->atom__NET_WM_STATE_DEMANDS_ATTENTION)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention))
meta_window_set_demands_attention (window);
else
meta_window_unset_demands_attention (window);
}
if (first == display->atom__NET_WM_STATE_STICKY ||
second == display->atom__NET_WM_STATE_STICKY)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->on_all_workspaces_requested))
meta_window_stick (window);
else
meta_window_unstick (window);
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_WM_CHANGE_STATE)
{
meta_verbose ("WM_CHANGE_STATE client message, state: %ld\n",
event->xclient.data.l[0]);
if (event->xclient.data.l[0] == IconicState &&
window->has_minimize_func)
meta_window_minimize (window);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_WM_MOVERESIZE)
{
int x_root;
int y_root;
int action;
MetaGrabOp op;
int button;
guint32 timestamp;
/* _NET_WM_MOVERESIZE messages are almost certainly going to come from
* clients when users click on the fake "frame" that the client has,
* thus we should also treat such messages as though it were a
* "frame action".
*/
gboolean const frame_action = TRUE;
x_root = event->xclient.data.l[0];
y_root = event->xclient.data.l[1];
action = event->xclient.data.l[2];
button = event->xclient.data.l[3];
/* FIXME: What a braindead protocol; no timestamp?!? */
timestamp = meta_display_get_current_time_roundtrip (display);
meta_topic (META_DEBUG_WINDOW_OPS,
"Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d, button %d\n",
window->desc,
x_root, y_root, action, button);
op = META_GRAB_OP_NONE;
switch (action)
{
case _NET_WM_MOVERESIZE_SIZE_TOPLEFT:
op = META_GRAB_OP_RESIZING_NW;
break;
case _NET_WM_MOVERESIZE_SIZE_TOP:
op = META_GRAB_OP_RESIZING_N;
break;
case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT:
op = META_GRAB_OP_RESIZING_NE;
break;
case _NET_WM_MOVERESIZE_SIZE_RIGHT:
op = META_GRAB_OP_RESIZING_E;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT:
op = META_GRAB_OP_RESIZING_SE;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOM:
op = META_GRAB_OP_RESIZING_S;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT:
op = META_GRAB_OP_RESIZING_SW;
break;
case _NET_WM_MOVERESIZE_SIZE_LEFT:
op = META_GRAB_OP_RESIZING_W;
break;
case _NET_WM_MOVERESIZE_MOVE:
op = META_GRAB_OP_MOVING;
break;
case _NET_WM_MOVERESIZE_SIZE_KEYBOARD:
op = META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN;
break;
case _NET_WM_MOVERESIZE_MOVE_KEYBOARD:
op = META_GRAB_OP_KEYBOARD_MOVING;
break;
case _NET_WM_MOVERESIZE_CANCEL:
/* handled below */
break;
default:
break;
}
if (action == _NET_WM_MOVERESIZE_CANCEL)
{
meta_display_end_grab_op (window->display, timestamp);
}
else if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_KEYBOARD_MOVING) ||
(window->has_resize_func && op == META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN)))
{
meta_window_begin_grab_op (window, op, frame_action, timestamp);
}
else if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_MOVING) ||
(window->has_resize_func &&
(op != META_GRAB_OP_MOVING &&
op != META_GRAB_OP_KEYBOARD_MOVING))))
{
int button_mask;
meta_topic (META_DEBUG_WINDOW_OPS,
"Beginning move/resize with button = %d\n", button);
meta_display_begin_grab_op (window->display,
window->screen,
window,
op,
FALSE,
frame_action,
button, 0,
timestamp,
x_root,
y_root);
button_mask = query_pressed_buttons (window);
if (button == 0)
{
/*
* the button SHOULD already be included in the message
*/
if ((button_mask & (1 << 1)) != 0)
button = 1;
else if ((button_mask & (1 << 2)) != 0)
button = 2;
else if ((button_mask & (1 << 3)) != 0)
button = 3;
if (button != 0)
window->display->grab_button = button;
else
meta_display_end_grab_op (window->display,
timestamp);
}
else
{
/* There is a potential race here. If the user presses and
* releases their mouse button very fast, it's possible for
* both the ButtonPress and ButtonRelease to be sent to the
* client before it can get a chance to send _NET_WM_MOVERESIZE
* to us. When that happens, we'll become stuck in a grab
* state, as we haven't received a ButtonRelease to cancel the
* grab.
*
* We can solve this by querying after we take the explicit
* pointer grab -- if the button isn't pressed, we cancel the
* drag immediately.
*/
if ((button_mask & (1 << button)) == 0)
meta_display_end_grab_op (window->display, timestamp);
}
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_MOVERESIZE_WINDOW)
{
int gravity;
guint value_mask;
gravity = (event->xclient.data.l[0] & 0xff);
value_mask = (event->xclient.data.l[0] & 0xf00) >> 8;
/* source = (event->xclient.data.l[0] & 0xf000) >> 12; */
if (gravity == 0)
gravity = window->size_hints.win_gravity;
meta_window_move_resize_request(window,
value_mask,
gravity,
event->xclient.data.l[1], /* x */
event->xclient.data.l[2], /* y */
event->xclient.data.l[3], /* width */
event->xclient.data.l[4]); /* height */
}
else if (event->xclient.message_type ==
display->atom__NET_ACTIVE_WINDOW)
{
MetaClientType source_indication;
guint32 timestamp;
meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s', activating\n",
window->desc);
source_indication = event->xclient.data.l[0];
timestamp = event->xclient.data.l[1];
if (source_indication > META_CLIENT_TYPE_MAX_RECOGNIZED)
source_indication = META_CLIENT_TYPE_UNKNOWN;
if (timestamp == 0)
{
/* Client using older EWMH _NET_ACTIVE_WINDOW without a timestamp */
meta_warning ("Buggy client sent a _NET_ACTIVE_WINDOW message with a "
"timestamp of 0 for %s\n",
window->desc);
timestamp = meta_display_get_current_time (display);
}
meta_window_activate_full (window, timestamp, source_indication, NULL);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_WM_FULLSCREEN_MONITORS)
{
gulong top, bottom, left, right;
meta_verbose ("_NET_WM_FULLSCREEN_MONITORS request for window '%s'\n",
window->desc);
top = meta_screen_xinerama_index_to_monitor_index (window->screen,
event->xclient.data.l[0]);
bottom = meta_screen_xinerama_index_to_monitor_index (window->screen,
event->xclient.data.l[1]);
left = meta_screen_xinerama_index_to_monitor_index (window->screen,
event->xclient.data.l[2]);
right = meta_screen_xinerama_index_to_monitor_index (window->screen,
event->xclient.data.l[3]);
/* source_indication = event->xclient.data.l[4]; */
meta_window_update_fullscreen_monitors (window, top, bottom, left, right);
}
return FALSE;
}
static void
set_wm_state_on_xwindow (MetaDisplay *display,
Window xwindow,
int state)
{
unsigned long data[2];
/* Mutter doesn't use icon windows, so data[1] should be None
* according to the ICCCM 2.0 Section 4.1.3.1.
*/
data[0] = state;
data[1] = None;
meta_error_trap_push (display);
XChangeProperty (display->xdisplay, xwindow,
display->atom_WM_STATE,
display->atom_WM_STATE,
32, PropModeReplace, (guchar*) data, 2);
meta_error_trap_pop (display);
}
void
meta_window_x11_set_wm_state (MetaWindow *window)
{
int state;
if (window->withdrawn)
state = WithdrawnState;
else if (window->iconic)
state = IconicState;
else
state = NormalState;
set_wm_state_on_xwindow (window->display, window->xwindow, state);
}
/* The MUTTER_WM_CLASS_FILTER environment variable is designed for
* performance and regression testing environments where we want to do
* tests with only a limited set of windows and ignore all other windows
*
* When it is set to a comma separated list of WM_CLASS class names, all
* windows not matching the list will be ignored.
*
* Returns TRUE if window has been filtered out and should be ignored.
*/
static gboolean
maybe_filter_xwindow (MetaDisplay *display,
Window xwindow,
gboolean must_be_viewable,
XWindowAttributes *attrs)
{
static char **filter_wm_classes = NULL;
static gboolean initialized = FALSE;
XClassHint class_hint;
gboolean filtered;
Status success;
int i;
if (!initialized)
{
const char *filter_string = g_getenv ("MUTTER_WM_CLASS_FILTER");
if (filter_string)
filter_wm_classes = g_strsplit (filter_string, ",", -1);
initialized = TRUE;
}
if (!filter_wm_classes || !filter_wm_classes[0])
return FALSE;
filtered = TRUE;
meta_error_trap_push (display);
success = XGetClassHint (display->xdisplay, xwindow, &class_hint);
if (success)
{
for (i = 0; filter_wm_classes[i]; i++)
{
if (strcmp (class_hint.res_class, filter_wm_classes[i]) == 0)
{
filtered = FALSE;
break;
}
}
XFree (class_hint.res_name);
XFree (class_hint.res_class);
}
if (filtered)
{
/* We want to try and get the window managed by the next WM that come along,
* so we need to make sure that windows that are requested to be mapped while
* Mutter is running (!must_be_viewable), or windows already viewable at startup
* get a non-withdrawn WM_STATE property. Previously unmapped windows are left
* with whatever WM_STATE property they had.
*/
if (!must_be_viewable || attrs->map_state == IsViewable)
{
gulong old_state;
if (!meta_prop_get_cardinal_with_atom_type (display, xwindow,
display->atom_WM_STATE,
display->atom_WM_STATE,
&old_state))
old_state = WithdrawnState;
if (old_state == WithdrawnState)
set_wm_state_on_xwindow (display, xwindow, NormalState);
}
/* Make sure filtered windows are hidden from view */
XUnmapWindow (display->xdisplay, xwindow);
}
meta_error_trap_pop (display);
return filtered;
}
static gboolean
is_our_xwindow (MetaDisplay *display,
MetaScreen *screen,
Window xwindow,
XWindowAttributes *attrs)
{
if (xwindow == screen->no_focus_window)
return TRUE;
if (xwindow == screen->flash_window)
return TRUE;
if (xwindow == screen->wm_sn_selection_window)
return TRUE;
if (xwindow == screen->wm_cm_selection_window)
return TRUE;
if (xwindow == screen->guard_window)
return TRUE;
if (xwindow == XCompositeGetOverlayWindow (display->xdisplay, screen->xroot))
return TRUE;
/* Any windows created via meta_create_offscreen_window */
if (attrs->override_redirect && attrs->x == -100 && attrs->y == -100 && attrs->width == 1 && attrs->height == 1)
return TRUE;
return FALSE;
}
#ifdef WITH_VERBOSE_MODE
static const char*
wm_state_to_string (int state)
{
switch (state)
{
case NormalState:
return "NormalState";
case IconicState:
return "IconicState";
case WithdrawnState:
return "WithdrawnState";
}
return "Unknown";
}
#endif
MetaWindow *
meta_window_x11_new (MetaDisplay *display,
Window xwindow,
gboolean must_be_viewable,
MetaCompEffect effect)
{
XWindowAttributes attrs;
MetaScreen *screen = NULL;
GSList *tmp;
gulong existing_wm_state;
MetaWindow *window = NULL;
gulong event_mask;
meta_verbose ("Attempting to manage 0x%lx\n", xwindow);
if (meta_display_xwindow_is_a_no_focus_window (display, xwindow))
{
meta_verbose ("Not managing no_focus_window 0x%lx\n",
xwindow);
return NULL;
}
meta_error_trap_push (display); /* Push a trap over all of window
* creation, to reduce XSync() calls
*/
/*
* This function executes without any server grabs held. This means that
* the window could have already gone away, or could go away at any point,
* so we must be careful with X error handling.
*/
if (!XGetWindowAttributes (display->xdisplay, xwindow, &attrs))
{
meta_verbose ("Failed to get attributes for window 0x%lx\n",
xwindow);
goto error;
}
for (tmp = display->screens; tmp != NULL; tmp = tmp->next)
{
MetaScreen *scr = tmp->data;
if (scr->xroot == attrs.root)
{
screen = tmp->data;
break;
}
}
g_assert (screen);
if (is_our_xwindow (display, screen, xwindow, &attrs))
{
meta_verbose ("Not managing our own windows\n");
goto error;
}
if (maybe_filter_xwindow (display, xwindow, must_be_viewable, &attrs))
{
meta_verbose ("Not managing filtered window\n");
goto error;
}
existing_wm_state = WithdrawnState;
if (must_be_viewable && attrs.map_state != IsViewable)
{
/* Only manage if WM_STATE is IconicState or NormalState */
gulong state;
/* WM_STATE isn't a cardinal, it's type WM_STATE, but is an int */
if (!(meta_prop_get_cardinal_with_atom_type (display, xwindow,
display->atom_WM_STATE,
display->atom_WM_STATE,
&state) &&
(state == IconicState || state == NormalState)))
{
meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow);
goto error;
}
existing_wm_state = state;
meta_verbose ("WM_STATE of %lx = %s\n", xwindow,
wm_state_to_string (existing_wm_state));
}
meta_error_trap_push_with_return (display);
/*
* XAddToSaveSet can only be called on windows created by a different
* client. with Mutter we want to be able to create manageable windows
* from within the process (such as a dummy desktop window). As we do not
* want this call failing to prevent the window from being managed, we
* call this before creating the return-checked error trap.
*/
XAddToSaveSet (display->xdisplay, xwindow);
meta_error_trap_push_with_return (display);
event_mask = PropertyChangeMask | ColormapChangeMask;
if (attrs.override_redirect)
event_mask |= StructureNotifyMask;
/* If the window is from this client (a menu, say) we need to augment
* the event mask, not replace it. For windows from other clients,
* attrs.your_event_mask will be empty at this point.
*/
XSelectInput (display->xdisplay, xwindow, attrs.your_event_mask | event_mask);
{
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
meta_core_add_old_event_mask (display->xdisplay, xwindow, &mask);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISelectEvents (display->xdisplay, xwindow, &mask, 1);
}
#ifdef HAVE_SHAPE
if (META_DISPLAY_HAS_SHAPE (display))
XShapeSelectInput (display->xdisplay, xwindow, ShapeNotifyMask);
#endif
/* Get rid of any borders */
if (attrs.border_width != 0)
XSetWindowBorderWidth (display->xdisplay, xwindow, 0);
/* Get rid of weird gravities */
if (attrs.win_gravity != NorthWestGravity)
{
XSetWindowAttributes set_attrs;
set_attrs.win_gravity = NorthWestGravity;
XChangeWindowAttributes (display->xdisplay,
xwindow,
CWWinGravity,
&set_attrs);
}
if (meta_error_trap_pop_with_return (display) != Success)
{
meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n",
xwindow);
goto error;
}
window = _meta_window_shared_new (display,
screen,
META_WINDOW_CLIENT_TYPE_X11,
NULL,
xwindow,
existing_wm_state,
effect,
&attrs);
meta_window_set_surface_mapped (window, TRUE);
meta_error_trap_pop (display); /* pop the XSync()-reducing trap */
return window;
error:
meta_error_trap_pop (display);
return NULL;
}
void
meta_window_x11_recalc_window_type (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
MetaWindowType type;
if (priv->type_atom != None)
{
if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_DESKTOP)
type = META_WINDOW_DESKTOP;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_DOCK)
type = META_WINDOW_DOCK;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_TOOLBAR)
type = META_WINDOW_TOOLBAR;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_MENU)
type = META_WINDOW_MENU;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_UTILITY)
type = META_WINDOW_UTILITY;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_SPLASH)
type = META_WINDOW_SPLASHSCREEN;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_DIALOG)
type = META_WINDOW_DIALOG;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_NORMAL)
type = META_WINDOW_NORMAL;
/* The below are *typically* override-redirect windows, but the spec does
* not disallow using them for managed windows.
*/
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_DROPDOWN_MENU)
type = META_WINDOW_DROPDOWN_MENU;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_POPUP_MENU)
type = META_WINDOW_POPUP_MENU;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_TOOLTIP)
type = META_WINDOW_TOOLTIP;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_NOTIFICATION)
type = META_WINDOW_NOTIFICATION;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_COMBO)
type = META_WINDOW_COMBO;
else if (priv->type_atom == window->display->atom__NET_WM_WINDOW_TYPE_DND)
type = META_WINDOW_DND;
else
{
char *atom_name;
/*
* Fallback on a normal type, and print warning. Don't abort.
*/
type = META_WINDOW_NORMAL;
meta_error_trap_push (window->display);
atom_name = XGetAtomName (window->display->xdisplay,
priv->type_atom);
meta_error_trap_pop (window->display);
meta_warning ("Unrecognized type atom [%s] set for %s \n",
atom_name ? atom_name : "unknown",
window->desc);
if (atom_name)
XFree (atom_name);
}
}
else if (window->transient_for != NULL)
{
type = META_WINDOW_DIALOG;
}
else
{
type = META_WINDOW_NORMAL;
}
if (type == META_WINDOW_DIALOG && priv->wm_state_modal)
type = META_WINDOW_MODAL_DIALOG;
/* We don't want to allow override-redirect windows to have decorated-window
* types since that's just confusing.
*/
if (window->override_redirect)
{
switch (window->type)
{
/* Decorated types */
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
type = META_WINDOW_OVERRIDE_OTHER;
break;
/* Undecorated types, normally not override-redirect */
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_SPLASHSCREEN:
/* Undecorated types, normally override-redirect types */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
/* To complete enum */
case META_WINDOW_OVERRIDE_OTHER:
break;
}
}
meta_verbose ("Calculated type %u for %s, old type %u\n",
type, window->desc, type);
meta_window_set_type (window, type);
}
/**
* meta_window_x11_configure_notify: (skip)
* @window: a #MetaWindow
* @event: a #XConfigureEvent
*
* This is used to notify us of an unrequested configuration
* (only applicable to override redirect windows)
*/
void
meta_window_x11_configure_notify (MetaWindow *window,
XConfigureEvent *event)
{
g_assert (window->override_redirect);
g_assert (window->frame == NULL);
window->rect.x = event->x;
window->rect.y = event->y;
window->rect.width = event->width;
window->rect.height = event->height;
meta_window_update_monitor (window);
/* Whether an override-redirect window is considered fullscreen depends
* on its geometry.
*/
if (window->override_redirect)
meta_screen_queue_check_fullscreen (window->screen);
if (!event->override_redirect && !event->send_event)
meta_warning ("Unhandled change of windows override redirect status\n");
meta_compositor_sync_window_geometry (window->display->compositor, window, FALSE);
}
Reference in New Issue View Git Blame Copy Permalink