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xutils.c Add clipboard manager files.

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2005-06-03  Anders Carlsson  <andersca@imendio.com>

	* Makefile.am:
	* clipboard-manager.c:
	* clipboard-manager.h:
	* list.c:
	* list.h:
	* xutils.c
	* xutils.h:
	Add clipboard manager files.

	* gnome-settings-daemon.c: (clipboard_manager_terminate_cb),
	(clipboard_manager_event_filter), (clipboard_manager_watch_cb),
	(finalize), (gnome_settings_daemon_new):
	Use clipboard manager for persistent clipboard storage.
This commit is contained in:
Anders Carlsson 2005-06-03 08:29:45 +00:00 • committed by Anders Carlsson
parent 95ea33ee84
commit a9191cd79d
9 changed files with 1435 additions and 2 deletions
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gnome-settings-daemon/xutils.c Normal file
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/*
* Copyright © 2004 Red Hat, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Red Hat not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Red Hat makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Matthias Clasen, Red Hat, Inc.
*/
#include <stdlib.h>
#include "xutils.h"
Atom XA_ATOM_PAIR;
Atom XA_CLIPBOARD_MANAGER;
Atom XA_CLIPBOARD;
Atom XA_DELETE;
Atom XA_INCR;
Atom XA_INSERT_PROPERTY;
Atom XA_INSERT_SELECTION;
Atom XA_MANAGER;
Atom XA_MULTIPLE;
Atom XA_NULL;
Atom XA_SAVE_TARGETS;
Atom XA_TARGETS;
Atom XA_TIMESTAMP;
unsigned long SELECTION_MAX_SIZE = 0;
void
init_atoms (Display *display)
{
unsigned long max_request_size;
if (SELECTION_MAX_SIZE > 0)
return;
XA_ATOM_PAIR = XInternAtom (display, "ATOM_PAIR", False);
XA_CLIPBOARD_MANAGER = XInternAtom (display, "CLIPBOARD_MANAGER", False);
XA_CLIPBOARD = XInternAtom (display, "CLIPBOARD", False);
XA_DELETE = XInternAtom (display, "DELETE", False);
XA_INCR = XInternAtom (display, "INCR", False);
XA_INSERT_PROPERTY = XInternAtom (display, "INSERT_PROPERTY", False);
XA_INSERT_SELECTION = XInternAtom (display, "INSERT_SELECTION", False);
XA_MANAGER = XInternAtom (display, "MANAGER", False);
XA_MULTIPLE = XInternAtom (display, "MULTIPLE", False);
XA_NULL = XInternAtom (display, "NULL", False);
XA_SAVE_TARGETS = XInternAtom (display, "SAVE_TARGETS", False);
XA_TARGETS = XInternAtom (display, "TARGETS", False);
XA_TIMESTAMP = XInternAtom (display, "TIMESTAMP", False);
max_request_size = XExtendedMaxRequestSize (display);
if (max_request_size == 0)
max_request_size = XMaxRequestSize (display);
SELECTION_MAX_SIZE = max_request_size - 100;
if (SELECTION_MAX_SIZE > 262144)
SELECTION_MAX_SIZE = 262144;
}
typedef struct
{
Window window;
Atom timestamp_prop_atom;
} TimeStampInfo;
static Bool
timestamp_predicate (Display *display,
XEvent *xevent,
XPointer arg)
{
TimeStampInfo *info = (TimeStampInfo *)arg;
if (xevent->type == PropertyNotify &&
xevent->xproperty.window == info->window &&
xevent->xproperty.atom == info->timestamp_prop_atom)
return True;
return False;
}
Time
get_server_time (Display *display,
Window window)
{
unsigned char c = 'a';
XEvent xevent;
TimeStampInfo info;
info.timestamp_prop_atom = XInternAtom (display, "_TIMESTAMP_PROP", False);
info.window = window;
XChangeProperty (display, window,
info.timestamp_prop_atom, info.timestamp_prop_atom,
8, PropModeReplace, &c, 1);
XIfEvent (display, &xevent,
timestamp_predicate, (XPointer)&info);
return xevent.xproperty.time;
}