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Make bell and libstartup-notification bits work without X11

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https://bugzilla.gnome.org/show_bug.cgi?id=759538
This commit is contained in:
Armin Krezović 2017-08-26 22:35:18 +02:00 committed by Jonas Ådahl
parent 8adab02757
commit 9333a6da75
8 changed files with 245 additions and 152 deletions
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130
src/core/bell.c
View File

@ -52,13 +52,73 @@
#include "window-private.h"
#include "util-private.h"
#include "compositor/compositor-private.h"
#include "x11/meta-x11-display-private.h"
#include <meta/prefs.h>
#include <meta/compositor.h>
#ifdef HAVE_LIBCANBERRA
#include <canberra-gtk.h>
#endif
G_DEFINE_TYPE (MetaBell, meta_bell, G_TYPE_OBJECT)
enum
{
IS_AUDIBLE_CHANGED,
LAST_SIGNAL
};
static guint bell_signals [LAST_SIGNAL] = { 0 };
static void
prefs_changed_callback (MetaPreference pref,
gpointer data)
{
MetaBell *bell = data;
if (pref == META_PREF_AUDIBLE_BELL)
{
g_signal_emit (bell, bell_signals[IS_AUDIBLE_CHANGED], 0,
meta_prefs_bell_is_audible ());
}
}
static void
meta_bell_finalize (GObject *object)
{
MetaBell *bell = META_BELL (object);
meta_prefs_remove_listener (prefs_changed_callback, bell);
G_OBJECT_CLASS (meta_bell_parent_class)->finalize (object);
}
static void
meta_bell_class_init (MetaBellClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_bell_finalize;
bell_signals[IS_AUDIBLE_CHANGED] =
g_signal_new ("is-audible-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_BOOLEAN);
}
static void
meta_bell_init (MetaBell *bell)
{
meta_prefs_add_listener (prefs_changed_callback, bell);
}
MetaBell *
meta_bell_new (MetaDisplay *display)
{
return g_object_new (META_TYPE_BELL, NULL);
}
/**
* bell_flash_fullscreen:
* @display: The display the event came in on
@ -226,72 +286,6 @@ meta_bell_notify (MetaDisplay *display,
return TRUE;
}
void
meta_bell_set_audible (MetaDisplay *display, gboolean audible)
{
MetaX11Display *x11_display = display->x11_display;
#ifdef HAVE_LIBCANBERRA
/* When we are playing sounds using libcanberra support, we handle the
* bell whether its an audible bell or a visible bell */
gboolean enable_system_bell = FALSE;
#else
gboolean enable_system_bell = audible;
#endif /* HAVE_LIBCANBERRA */
XkbChangeEnabledControls (x11_display->xdisplay,
XkbUseCoreKbd,
XkbAudibleBellMask,
enable_system_bell ? XkbAudibleBellMask : 0);
}
gboolean
meta_bell_init (MetaDisplay *display)
{
int xkb_base_error_type, xkb_opcode;
MetaX11Display *x11_display = display->x11_display;
if (!XkbQueryExtension (x11_display->xdisplay, &xkb_opcode,
&display->xkb_base_event_type,
&xkb_base_error_type,
NULL, NULL))
{
display->xkb_base_event_type = -1;
g_message ("could not find XKB extension.");
return FALSE;
}
else
{
unsigned int mask = XkbBellNotifyMask;
gboolean visual_bell_auto_reset = FALSE;
/* TRUE if and when non-broken version is available */
XkbSelectEvents (x11_display->xdisplay,
XkbUseCoreKbd,
XkbBellNotifyMask,
XkbBellNotifyMask);
meta_bell_set_audible (display, meta_prefs_bell_is_audible ());
if (visual_bell_auto_reset) {
XkbSetAutoResetControls (x11_display->xdisplay,
XkbAudibleBellMask,
&mask,
&mask);
}
return TRUE;
}
return FALSE;
}
void
meta_bell_shutdown (MetaDisplay *display)
{
MetaX11Display *x11_display = display->x11_display;
/* TODO: persist initial bell state in display, reset here */
XkbChangeEnabledControls (x11_display->xdisplay,
XkbUseCoreKbd,
XkbAudibleBellMask,
XkbAudibleBellMask);
}
/**
* meta_bell_notify_frame_destroy:
* @frame: The frame which is being destroyed

54
src/core/bell.h
View File

@ -17,11 +17,19 @@
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include "display-private.h"
#include "frame.h"
struct _MetaBell
{
GObject parent;
};
#define META_TYPE_BELL (meta_bell_get_type ())
G_DECLARE_FINAL_TYPE (MetaBell, meta_bell, META, BELL, GObject)
MetaBell * meta_bell_new (MetaDisplay *display);
/**
* meta_bell_notify:
* @display: The display the bell event came in on
@ -34,48 +42,6 @@
gboolean meta_bell_notify (MetaDisplay *display,
MetaWindow *window);
/**
* meta_bell_set_audible:
* @display: The display we're configuring
* @audible: True for an audible bell, false for a visual bell
*
* Turns the bell to audible or visual. This tells X what to do, but
* not Mutter; you will need to set the "visual bell" pref for that.
*
* If the configure script found we had no XKB, this is a no-op.
*/
void meta_bell_set_audible (MetaDisplay *display, gboolean audible);
/**
* meta_bell_init:
* @display: The display which is opening
*
* Initialises the bell subsystem. This involves intialising
* XKB (which, despite being a keyboard extension, is the
* place to look for bell notifications), then asking it
* to send us bell notifications, and then also switching
* off the audible bell if we're using a visual one ourselves.
*
* \bug There is a line of code that's never run that tells
* XKB to reset the bell status after we quit. Bill H said
* (<http://bugzilla.gnome.org/show_bug.cgi?id=99886#c12>)
* that XFree86's implementation is broken so we shouldn't
* call it, but that was in 2002. Is it working now?
*/
gboolean meta_bell_init (MetaDisplay *display);
/**
* meta_bell_shutdown:
* @display: The display which is closing
*
* Shuts down the bell subsystem.
*
* \bug This is never called! If we had XkbSetAutoResetControls
* enabled in meta_bell_init(), this wouldn't be a problem, but
* we don't.
*/
void meta_bell_shutdown (MetaDisplay *display);
/**
* meta_bell_notify_frame_destroy:
* @frame: The frame which is being destroyed

6
src/core/display-private.h
View File

@ -48,6 +48,7 @@
#include <X11/extensions/sync.h>
typedef struct _MetaBell MetaBell;
typedef struct _MetaStack MetaStack;
typedef struct _MetaUISlave MetaUISlave;
@ -205,9 +206,6 @@ struct _MetaDisplay
* to avoid some race conditions on EnterNotify events
*/
int sentinel_counter;
int xkb_base_event_type;
guint32 last_bell_time;
int grab_resize_timeout_id;
MetaKeyBindingManager key_binding_manager;
@ -254,6 +252,8 @@ struct _MetaDisplay
MetaDisplayCorner starting_corner;
guint vertical_workspaces : 1;
guint workspace_layout_overridden : 1;
MetaBell *bell;
};
struct _MetaDisplayClass

26
src/core/display.c
View File

@ -765,7 +765,6 @@ meta_display_open (void)
display->grab_resize_timeout_id = 0;
display->grab_have_keyboard = FALSE;
display->last_bell_time = 0;
display->grab_op = META_GRAB_OP_NONE;
display->grab_window = NULL;
@ -804,7 +803,6 @@ meta_display_open (void)
meta_display_set_cursor (display, META_CURSOR_DEFAULT);
/* This is the default layout extracted from default
* variable values in update_num_workspaces ()
* This can be overriden using _NET_DESKTOP_LAYOUT in
@ -824,6 +822,12 @@ meta_display_open (void)
reload_logical_monitors (display);
display->startup_notification = meta_startup_notification_get (display);
g_signal_connect (display->startup_notification, "changed",
G_CALLBACK (on_startup_notification_changed), display);
display->bell = meta_bell_new (display);
x11_display = meta_x11_display_new (display, &error);
g_assert (x11_display != NULL); /* Required, for now */
display->x11_display = x11_display;
@ -834,8 +838,6 @@ meta_display_open (void)
display->stack = meta_stack_new (display);
display->stack_tracker = meta_stack_tracker_new (display);
meta_bell_init (display);
display->last_focus_time = timestamp;
display->last_user_time = timestamp;
display->compositor = NULL;
@ -846,10 +848,6 @@ meta_display_open (void)
display->x11_display->atom__NET_ACTIVE_WINDOW,
&old_active_xwindow);
display->startup_notification = meta_startup_notification_get (display);
g_signal_connect (display->startup_notification, "changed",
G_CALLBACK (on_startup_notification_changed), display);
enable_compositor (display);
if (display->x11_display)
@ -1015,7 +1013,6 @@ meta_display_close (MetaDisplay *display,
meta_display_remove_autoraise_callback (display);
g_clear_object (&display->startup_notification);
g_clear_object (&display->gesture_tracker);
g_clear_pointer (&display->stack, (GDestroyNotify) meta_stack_free);
@ -1056,6 +1053,9 @@ meta_display_close (MetaDisplay *display,
meta_display_shutdown_keys (display);
g_clear_object (&display->bell);
g_clear_object (&display->startup_notification);
g_object_unref (display);
the_display = NULL;
@ -2564,12 +2564,8 @@ prefs_changed_callback (MetaPreference pref,
{
MetaDisplay *display = data;
if (pref == META_PREF_AUDIBLE_BELL)
{
meta_bell_set_audible (display, meta_prefs_bell_is_audible ());
}
else if (pref == META_PREF_CURSOR_THEME ||
pref == META_PREF_CURSOR_SIZE)
if (pref == META_PREF_CURSOR_THEME ||
pref == META_PREF_CURSOR_SIZE)
{
meta_display_reload_cursor (display);
}

59
src/core/startup-notification.c
View File

@ -528,11 +528,6 @@ meta_startup_notification_finalize (GObject *object)
{
MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
#ifdef HAVE_STARTUP_NOTIFICATION
sn_monitor_context_unref (sn->sn_context);
sn_display_unref (sn->sn_display);
#endif
if (sn->startup_sequence_timeout)
g_source_remove (sn->startup_sequence_timeout);
@ -660,6 +655,33 @@ meta_startup_notification_sn_event (SnMonitorEvent *event,
sn_startup_sequence_unref (sequence);
}
static void
on_x11_display_opened (MetaStartupNotification *sn)
{
MetaX11Display *x11_display = sn->display->x11_display;
sn->sn_display = sn_display_new (x11_display->xdisplay,
sn_error_trap_push,
sn_error_trap_pop);
sn->sn_context =
sn_monitor_context_new (sn->sn_display,
meta_x11_display_get_screen_number (x11_display),
meta_startup_notification_sn_event,
sn,
NULL);
}
static void
on_x11_display_closing (MetaStartupNotification *sn)
{
sn_monitor_context_unref (sn->sn_context);
sn->sn_context = NULL;
sn_display_unref (sn->sn_display);
sn->sn_display = NULL;
}
#endif
static void
@ -670,16 +692,22 @@ meta_startup_notification_constructed (GObject *object)
g_assert (sn->display != NULL);
#ifdef HAVE_STARTUP_NOTIFICATION
sn->sn_display = sn_display_new (sn->display->x11_display->xdisplay,
sn_error_trap_push,
sn_error_trap_pop);
sn->sn_context =
sn_monitor_context_new (sn->sn_display,
meta_ui_get_screen_number (),
meta_startup_notification_sn_event,
sn,
NULL);
sn->sn_display = NULL;
sn->sn_context = NULL;
g_signal_connect_object (sn->display,
"x11-display-opened",
G_CALLBACK (on_x11_display_opened),
sn,
G_CONNECT_SWAPPED);
g_signal_connect_object (sn->display,
"x11-display-closing",
G_CALLBACK (on_x11_display_closing),
sn,
G_CONNECT_SWAPPED);
#endif
sn->startup_sequences = NULL;
sn->startup_sequence_timeout = 0;
}
@ -753,6 +781,9 @@ meta_startup_notification_get_sequences (MetaStartupNotification *sn)
#ifdef HAVE_STARTUP_NOTIFICATION
GSList *l;
if (!sn->sn_display)
return sequences;
/* We return a list of SnStartupSequences here */
for (l = sn->startup_sequences; l; l = l->next)
{

18
src/x11/events.c
View File

@ -24,6 +24,7 @@
#include "x11/events.h"
#include <X11/Xatom.h>
#include <X11/XKBlib.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/shape.h>
@ -1166,23 +1167,24 @@ process_selection_clear (MetaX11Display *x11_display,
}
static void
notify_bell (MetaDisplay *display,
XkbAnyEvent *xkb_ev)
notify_bell (MetaX11Display *x11_display,
XkbAnyEvent *xkb_ev)
{
MetaDisplay *display = x11_display->display;
XkbBellNotifyEvent *xkb_bell_event = (XkbBellNotifyEvent*) xkb_ev;
MetaWindow *window;
window = meta_x11_display_lookup_x_window (display->x11_display,
window = meta_x11_display_lookup_x_window (x11_display,
xkb_bell_event->window);
if (!window && display->focus_window && display->focus_window->frame)
window = display->focus_window;
display->last_bell_time = xkb_ev->time;
x11_display->last_bell_time = xkb_ev->time;
if (!meta_bell_notify (display, window) &&
meta_prefs_bell_is_audible ())
{
/* Force a classic bell if the libcanberra bell failed. */
XkbForceDeviceBell (display->x11_display->xdisplay,
XkbForceDeviceBell (x11_display->xdisplay,
xkb_bell_event->device,
xkb_bell_event->bell_class,
xkb_bell_event->bell_id,
@ -1656,17 +1658,17 @@ handle_other_xevent (MetaX11Display *x11_display,
}
break;
default:
if (event->type == display->xkb_base_event_type)
if (event->type == x11_display->xkb_base_event_type)
{
XkbAnyEvent *xkb_ev = (XkbAnyEvent *) event;
switch (xkb_ev->xkb_type)
{
case XkbBellNotify:
if (XSERVER_TIME_IS_BEFORE(display->last_bell_time,
if (XSERVER_TIME_IS_BEFORE(x11_display->last_bell_time,
xkb_ev->time - 100))
{
notify_bell (display, xkb_ev);
notify_bell (x11_display, xkb_ev);
}
break;
default:

3
src/x11/meta-x11-display-private.h
View File

@ -110,6 +110,9 @@ struct _MetaX11Display
/* Managed by group-props.c */
MetaGroupPropHooks *group_prop_hooks;
int xkb_base_event_type;
guint32 last_bell_time;
MetaAlarmFilter alarm_filter;
gpointer alarm_filter_data;

101
src/x11/meta-x11-display.c
View File

@ -38,6 +38,7 @@
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/XKBlib.h>
#ifdef HAVE_RANDR
#include <X11/extensions/Xrandr.h>
#endif
@ -402,6 +403,97 @@ query_xi_extension (MetaX11Display *x11_display)
meta_fatal ("X server doesn't have the XInput extension, version 2.2 or newer\n");
}
/*
* Initialises the bell subsystem. This involves intialising
* XKB (which, despite being a keyboard extension, is the
* place to look for bell notifications), then asking it
* to send us bell notifications, and then also switching
* off the audible bell if we're using a visual one ourselves.
*
* \bug There is a line of code that's never run that tells
* XKB to reset the bell status after we quit. Bill H said
* (<http://bugzilla.gnome.org/show_bug.cgi?id=99886#c12>)
* that XFree86's implementation is broken so we shouldn't
* call it, but that was in 2002. Is it working now?
*/
static void
init_x11_bell (MetaX11Display *x11_display)
{
int xkb_base_error_type, xkb_opcode;
if (!XkbQueryExtension (x11_display->xdisplay, &xkb_opcode,
&x11_display->xkb_base_event_type,
&xkb_base_error_type,
NULL, NULL))
{
x11_display->xkb_base_event_type = -1;
meta_warning ("could not find XKB extension.");
}
else
{
unsigned int mask = XkbBellNotifyMask;
gboolean visual_bell_auto_reset = FALSE;
/* TRUE if and when non-broken version is available */
XkbSelectEvents (x11_display->xdisplay,
XkbUseCoreKbd,
XkbBellNotifyMask,
XkbBellNotifyMask);
if (visual_bell_auto_reset)
{
XkbSetAutoResetControls (x11_display->xdisplay,
XkbAudibleBellMask,
&mask,
&mask);
}
}
}
/*
* \bug This is never called! If we had XkbSetAutoResetControls
* enabled in meta_x11_bell_init(), this wouldn't be a problem,
* but we don't.
*/
G_GNUC_UNUSED static void
shutdown_x11_bell (MetaX11Display *x11_display)
{
/* TODO: persist initial bell state in display, reset here */
XkbChangeEnabledControls (x11_display->xdisplay,
XkbUseCoreKbd,
XkbAudibleBellMask,
XkbAudibleBellMask);
}
/*
* Turns the bell to audible or visual. This tells X what to do, but
* not Mutter; you will need to set the "visual bell" pref for that.
*/
static void
set_x11_bell_is_audible (MetaX11Display *x11_display,
gboolean is_audible)
{
#ifdef HAVE_LIBCANBERRA
/* When we are playing sounds using libcanberra support, we handle the
* bell whether its an audible bell or a visible bell */
gboolean enable_system_bell = FALSE;
#else
gboolean enable_system_bell = is_audible;
#endif /* HAVE_LIBCANBERRA */
XkbChangeEnabledControls (x11_display->xdisplay,
XkbUseCoreKbd,
XkbAudibleBellMask,
enable_system_bell ? XkbAudibleBellMask : 0);
}
static void
on_is_audible_changed (MetaBell *bell,
gboolean is_audible,
MetaX11Display *x11_display)
{
set_x11_bell_is_audible (x11_display, is_audible);
}
static void
set_desktop_geometry_hint (MetaX11Display *x11_display)
{
@ -957,6 +1049,7 @@ meta_x11_display_new (MetaDisplay *display, GError **error)
x11_display->timestamp_pinging_window = None;
x11_display->wm_sn_selection_window = None;
x11_display->last_bell_time = 0;
x11_display->focus_serial = 0;
x11_display->server_focus_window = None;
x11_display->server_focus_serial = 0;
@ -1105,6 +1198,14 @@ meta_x11_display_new (MetaDisplay *display, GError **error)
meta_prefs_add_listener (prefs_changed_callback, x11_display);
init_x11_bell (x11_display);
g_signal_connect_object (display->bell, "is-audible-changed",
G_CALLBACK (on_is_audible_changed),
x11_display, 0);
set_x11_bell_is_audible (x11_display, meta_prefs_bell_is_audible ());
return x11_display;
}