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Move X11 helper windows and xprops to MetaX11Display

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https://bugzilla.gnome.org/show_bug.cgi?id=759538
This commit is contained in:
Armin Krezović
2017-08-26 20:51:28 +02:00
committed by Jonas Ådahl
parent 98d912ba5f
commit 05899596d1
19 changed files with 751 additions and 704 deletions
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175
src/core/screen.c
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@ -256,11 +256,12 @@ set_wm_check_hint (MetaScreen *screen)
MetaX11Display *x11_display = screen->display->x11_display;
unsigned long data[1];
g_return_val_if_fail (screen->display->leader_window != None, 0);
g_return_val_if_fail (x11_display->leader_window != None, 0);
data[0] = screen->display->leader_window;
data[0] = x11_display->leader_window;
XChangeProperty (x11_display->xdisplay, x11_display->xroot,
XChangeProperty (x11_display->xdisplay,
x11_display->xroot,
x11_display->atom__NET_SUPPORTING_WM_CHECK,
XA_WINDOW,
32, PropModeReplace, (guchar*) data, 1);
@ -273,7 +274,8 @@ unset_wm_check_hint (MetaScreen *screen)
{
MetaX11Display *x11_display = screen->display->x11_display;
XDeleteProperty (x11_display->xdisplay, x11_display->xroot,
XDeleteProperty (x11_display->xdisplay,
x11_display->xroot,
x11_display->atom__NET_SUPPORTING_WM_CHECK);
}
@ -472,81 +474,6 @@ reload_logical_monitors (MetaScreen *screen)
screen->has_xinerama_indices = FALSE;
}
static Window
take_manager_selection (MetaDisplay *display,
Window xroot,
Atom manager_atom,
int timestamp,
gboolean should_replace)
{
MetaX11Display *x11_display = display->x11_display;
Window current_owner, new_owner;
current_owner = XGetSelectionOwner (x11_display->xdisplay, manager_atom);
if (current_owner != None)
{
XSetWindowAttributes attrs;
if (should_replace)
{
/* We want to find out when the current selection owner dies */
meta_error_trap_push (x11_display);
attrs.event_mask = StructureNotifyMask;
XChangeWindowAttributes (x11_display->xdisplay, current_owner, CWEventMask, &attrs);
if (meta_error_trap_pop_with_return (x11_display) != Success)
current_owner = None; /* don't wait for it to die later on */
}
else
{
meta_warning (_("Display “%s” already has a window manager; try using the --replace option to replace the current window manager."),
x11_display->name);
return None;
}
}
/* We need SelectionClear and SelectionRequest events on the new owner,
* but those cannot be masked, so we only need NoEventMask.
*/
new_owner = meta_x11_display_create_offscreen_window (x11_display, xroot, NoEventMask);
XSetSelectionOwner (x11_display->xdisplay, manager_atom, new_owner, timestamp);
if (XGetSelectionOwner (x11_display->xdisplay, manager_atom) != new_owner)
{
meta_warning ("Could not acquire selection: %s", XGetAtomName (x11_display->xdisplay, manager_atom));
return None;
}
{
/* Send client message indicating that we are now the selection owner */
XClientMessageEvent ev;
ev.type = ClientMessage;
ev.window = xroot;
ev.message_type = x11_display->atom_MANAGER;
ev.format = 32;
ev.data.l[0] = timestamp;
ev.data.l[1] = manager_atom;
XSendEvent (x11_display->xdisplay, xroot, False, StructureNotifyMask, (XEvent *) &ev);
}
/* Wait for old window manager to go away */
if (current_owner != None)
{
XEvent event;
/* We sort of block infinitely here which is probably lame. */
meta_verbose ("Waiting for old window manager to exit\n");
do
XWindowEvent (x11_display->xdisplay, current_owner, StructureNotifyMask, &event);
while (event.type != DestroyNotify);
}
return new_owner;
}
MetaScreen*
meta_screen_new (MetaDisplay *display,
guint32 timestamp)
@ -555,59 +482,17 @@ meta_screen_new (MetaDisplay *display,
int number;
Window xroot = meta_x11_display_get_xroot (display->x11_display);
Display *xdisplay = meta_x11_display_get_xdisplay (display->x11_display);
Window new_wm_sn_owner;
gboolean replace_current_wm;
Atom wm_sn_atom;
char buf[128];
replace_current_wm = meta_get_replace_current_wm ();
number = meta_ui_get_screen_number ();
meta_verbose ("Trying screen %d on display '%s'\n",
number, display->x11_display->name);
sprintf (buf, "WM_S%d", number);
wm_sn_atom = XInternAtom (xdisplay, buf, False);
new_wm_sn_owner = take_manager_selection (display, xroot, wm_sn_atom, timestamp, replace_current_wm);
if (new_wm_sn_owner == None)
return NULL;
{
long event_mask;
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
#ifdef HAVE_XI23
if (META_X11_DISPLAY_HAS_XINPUT_23 (display->x11_display))
{
XISetMask (mask.mask, XI_BarrierHit);
XISetMask (mask.mask, XI_BarrierLeave);
}
#endif /* HAVE_XI23 */
XISelectEvents (xdisplay, xroot, &mask, 1);
event_mask = (SubstructureRedirectMask | SubstructureNotifyMask |
StructureNotifyMask | ColormapChangeMask | PropertyChangeMask);
XSelectInput (xdisplay, xroot, event_mask);
}
/* Select for cursor changes so the cursor tracker is up to date. */
XFixesSelectCursorInput (xdisplay, xroot, XFixesDisplayCursorNotifyMask);
screen = g_object_new (META_TYPE_SCREEN, NULL);
screen->closing = 0;
screen->display = display;
screen->wm_sn_selection_window = new_wm_sn_owner;
screen->wm_sn_atom = wm_sn_atom;
screen->wm_sn_timestamp = timestamp;
screen->work_area_later = 0;
screen->check_fullscreen_later = 0;
@ -618,25 +503,8 @@ meta_screen_new (MetaDisplay *display,
screen->vertical_workspaces = FALSE;
screen->starting_corner = META_SCREEN_TOPLEFT;
/* If we're a Wayland compositor, then we don't grab the COW, since it
* will map it. */
if (!meta_is_wayland_compositor ())
screen->composite_overlay_window = XCompositeGetOverlayWindow (xdisplay, xroot);
/* Now that we've gotten taken a reference count on the COW, we
* can close the helper that is holding on to it */
meta_restart_finish ();
reload_logical_monitors (screen);
/* Handle creating a no_focus_window for this screen */
screen->no_focus_window =
meta_x11_display_create_offscreen_window (display->x11_display,
xroot,
FocusChangeMask|KeyPressMask|KeyReleaseMask);
XMapWindow (xdisplay, screen->no_focus_window);
/* Done with no_focus_window stuff */
set_wm_icon_size_hint (screen);
set_supported_hint (screen);
@ -680,10 +548,10 @@ meta_screen_init_workspaces (MetaScreen *screen)
g_return_if_fail (META_IS_SCREEN (screen));
timestamp = screen->wm_sn_timestamp;
timestamp = screen->display->x11_display->wm_sn_timestamp;
/* Get current workspace */
if (meta_prop_get_cardinal (display,
if (meta_prop_get_cardinal (display->x11_display,
display->x11_display->xroot,
display->x11_display->atom__NET_CURRENT_DESKTOP,
&current_workspace_index))
@ -710,9 +578,6 @@ void
meta_screen_free (MetaScreen *screen,
guint32 timestamp)
{
MetaDisplay *display = screen->display;
MetaX11Display *x11_display = display->x11_display;
screen->closing += 1;
meta_prefs_remove_listener (prefs_changed_callback, screen);
@ -723,9 +588,6 @@ meta_screen_free (MetaScreen *screen,
unset_wm_check_hint (screen);
XDestroyWindow (x11_display->xdisplay,
screen->wm_sn_selection_window);
if (screen->work_area_later != 0)
meta_later_remove (screen->work_area_later);
if (screen->check_fullscreen_later != 0)
@ -986,7 +848,7 @@ update_num_workspaces (MetaScreen *screen,
n_items = 0;
list = NULL;
if (meta_prop_get_cardinal_list (display,
if (meta_prop_get_cardinal_list (display->x11_display,
display->x11_display->xroot,
display->x11_display->atom__NET_NUMBER_OF_DESKTOPS,
&list, &n_items))
@ -1340,7 +1202,7 @@ meta_screen_update_workspace_layout (MetaScreen *screen)
list = NULL;
n_items = 0;
if (meta_prop_get_cardinal_list (display,
if (meta_prop_get_cardinal_list (display->x11_display,
display->x11_display->xroot,
display->x11_display->atom__NET_DESKTOP_LAYOUT,
&list, &n_items))
@ -1516,7 +1378,7 @@ meta_screen_update_workspace_names (MetaScreen *screen)
names = NULL;
n_names = 0;
if (!meta_prop_get_utf8_list (screen->display,
if (!meta_prop_get_utf8_list (x11_display,
x11_display->xroot,
x11_display->atom__NET_DESKTOP_NAMES,
&names, &n_names))
@ -2168,21 +2030,6 @@ meta_screen_get_display (MetaScreen *screen)
return screen->display;
}
void
meta_screen_set_cm_selection (MetaScreen *screen)
{
MetaX11Display *x11_display = screen->display->x11_display;
char selection[32];
Atom a;
guint32 timestamp;
timestamp = meta_display_get_current_time_roundtrip (screen->display);
g_snprintf (selection, sizeof (selection), "_NET_WM_CM_S%d",
meta_ui_get_screen_number ());
a = XInternAtom (x11_display->xdisplay, selection, False);
screen->wm_cm_selection_window = take_manager_selection (screen->display, x11_display->xroot, a, timestamp, TRUE);
}
/**
* meta_screen_get_workspaces: (skip)
* @screen: a #MetaScreen