/* X Selection processing for Emacs.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001
- Free Software Foundation.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* Rewritten by jwz */
#include <config.h>
+#include <stdio.h> /* termhooks.h needs this */
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#include "lisp.h"
#include "xterm.h" /* for all of the X includes */
#include "dispextern.h" /* frame.h seems to want this */
#include "frame.h" /* Need this to get the X window of selected_frame */
#include "blockinput.h"
#include "buffer.h"
-#include "charset.h"
-#include "coding.h"
#include "process.h"
-#include "composite.h"
+#include "termhooks.h"
+#include "keyboard.h"
+
+#include <X11/Xproto.h>
struct prop_location;
static Atom symbol_to_x_atom P_ ((struct x_display_info *, Display *,
Lisp_Object));
static void x_own_selection P_ ((Lisp_Object, Lisp_Object));
-static Lisp_Object x_get_local_selection P_ ((Lisp_Object, Lisp_Object));
+static Lisp_Object x_get_local_selection P_ ((Lisp_Object, Lisp_Object, int));
static void x_decline_selection_request P_ ((struct input_event *));
static Lisp_Object x_selection_request_lisp_error P_ ((Lisp_Object));
static Lisp_Object queue_selection_requests_unwind P_ ((Lisp_Object));
static Lisp_Object some_frame_on_display P_ ((struct x_display_info *));
+static Lisp_Object x_catch_errors_unwind P_ ((Lisp_Object));
static void x_reply_selection_request P_ ((struct input_event *, int,
unsigned char *, int, Atom));
static int waiting_for_other_props_on_window P_ ((Display *, Window));
static void unexpect_property_change P_ ((struct prop_location *));
static Lisp_Object wait_for_property_change_unwind P_ ((Lisp_Object));
static void wait_for_property_change P_ ((struct prop_location *));
-static Lisp_Object x_get_foreign_selection P_ ((Lisp_Object, Lisp_Object));
+static Lisp_Object x_get_foreign_selection P_ ((Lisp_Object,
+ Lisp_Object,
+ Lisp_Object));
static void x_get_window_property P_ ((Display *, Window, Atom,
unsigned char **, int *,
Atom *, int *, unsigned long *, int));
fprintf (stderr, "%d: " fmt "\n", getpid (), a0)
#define TRACE2(fmt, a0, a1) \
fprintf (stderr, "%d: " fmt "\n", getpid (), a0, a1)
+#define TRACE3(fmt, a0, a1, a2) \
+ fprintf (stderr, "%d: " fmt "\n", getpid (), a0, a1, a2)
#else
#define TRACE0(fmt) (void) 0
#define TRACE1(fmt, a0) (void) 0
#define TRACE2(fmt, a0, a1) (void) 0
+#define TRACE3(fmt, a0, a1) (void) 0
#endif
QATOM_PAIR;
Lisp_Object QCOMPOUND_TEXT; /* This is a type of selection. */
+Lisp_Object QUTF8_STRING; /* This is a type of selection. */
+
+Lisp_Object Qcompound_text_with_extensions;
#ifdef CUT_BUFFER_SUPPORT
Lisp_Object QCUT_BUFFER0, QCUT_BUFFER1, QCUT_BUFFER2, QCUT_BUFFER3,
QCUT_BUFFER4, QCUT_BUFFER5, QCUT_BUFFER6, QCUT_BUFFER7;
#endif
-static Lisp_Object Vx_lost_selection_hooks;
-static Lisp_Object Vx_sent_selection_hooks;
+static Lisp_Object Vx_lost_selection_functions;
+static Lisp_Object Vx_sent_selection_functions;
/* Coding system for communicating with other X clients via cutbuffer,
selection, and clipboard. */
static Lisp_Object Vselection_coding_system;
/* Coding system for the next communicating with other X clients. */
static Lisp_Object Vnext_selection_coding_system;
+static Lisp_Object Qforeign_selection;
+
/* If this is a smaller number than the max-request-size of the display,
emacs will use INCR selection transfer when the selection is larger
than this. The max-request-size is usually around 64k, so if you want
- emacs to use incremental selection transfers when the selection is
+ emacs to use incremental selection transfers when the selection is
smaller than that, set this. I added this mostly for debugging the
incremental transfer stuff, but it might improve server performance. */
#define MAX_SELECTION_QUANTUM 0xFFFFFF
/* This is an alist whose CARs are selection-types (whose names are the same
as the names of X Atoms) and whose CDRs are the names of Lisp functions to
- call to convert the given Emacs selection value to a string representing
+ call to convert the given Emacs selection value to a string representing
the given selection type. This is for Lisp-level extension of the emacs
selection handling. */
static Lisp_Object Vselection_converter_alist;
/* If the selection owner takes too long to reply to a selection request,
we give up on it. This is in milliseconds (0 = no timeout.) */
-static int x_selection_timeout;
+static EMACS_INT x_selection_timeout;
+
+
\f
-/* Utility functions */
+/* Define a queue to save up SELECTION_REQUEST_EVENT events for later
+ handling. */
+
+struct selection_event_queue
+ {
+ struct input_event event;
+ struct selection_event_queue *next;
+ };
+
+static struct selection_event_queue *selection_queue;
+
+/* Nonzero means queue up SELECTION_REQUEST_EVENT events. */
+
+static int x_queue_selection_requests;
+
+/* Queue up an SELECTION_REQUEST_EVENT *EVENT, to be processed later. */
+
+static void
+x_queue_event (event)
+ struct input_event *event;
+{
+ struct selection_event_queue *queue_tmp;
+
+ /* Don't queue repeated requests.
+ This only happens for large requests which uses the incremental protocol. */
+ for (queue_tmp = selection_queue; queue_tmp; queue_tmp = queue_tmp->next)
+ {
+ if (!bcmp (&queue_tmp->event, event, sizeof (*event)))
+ {
+ TRACE1 ("DECLINE DUP SELECTION EVENT %08lx", (unsigned long)queue_tmp);
+ x_decline_selection_request (event);
+ return;
+ }
+ }
+
+ queue_tmp
+ = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue));
+
+ if (queue_tmp != NULL)
+ {
+ TRACE1 ("QUEUE SELECTION EVENT %08lx", (unsigned long)queue_tmp);
+ queue_tmp->event = *event;
+ queue_tmp->next = selection_queue;
+ selection_queue = queue_tmp;
+ }
+}
+
+/* Start queuing SELECTION_REQUEST_EVENT events. */
+
+static void
+x_start_queuing_selection_requests ()
+{
+ if (x_queue_selection_requests)
+ abort ();
-static void lisp_data_to_selection_data ();
-static Lisp_Object selection_data_to_lisp_data ();
-static Lisp_Object x_get_window_property_as_lisp_data ();
+ x_queue_selection_requests++;
+ TRACE1 ("x_start_queuing_selection_requests %d", x_queue_selection_requests);
+}
+
+/* Stop queuing SELECTION_REQUEST_EVENT events. */
+
+static void
+x_stop_queuing_selection_requests ()
+{
+ TRACE1 ("x_stop_queuing_selection_requests %d", x_queue_selection_requests);
+ --x_queue_selection_requests;
-/* This converts a Lisp symbol to a server Atom, avoiding a server
+ /* Take all the queued events and put them back
+ so that they get processed afresh. */
+
+ while (selection_queue != NULL)
+ {
+ struct selection_event_queue *queue_tmp = selection_queue;
+ TRACE1 ("RESTORE SELECTION EVENT %08lx", (unsigned long)queue_tmp);
+ kbd_buffer_unget_event (&queue_tmp->event);
+ selection_queue = queue_tmp->next;
+ xfree ((char *)queue_tmp);
+ }
+}
+\f
+
+/* This converts a Lisp symbol to a server Atom, avoiding a server
roundtrip whenever possible. */
static Atom
if (EQ (sym, QTIMESTAMP)) return dpyinfo->Xatom_TIMESTAMP;
if (EQ (sym, QTEXT)) return dpyinfo->Xatom_TEXT;
if (EQ (sym, QCOMPOUND_TEXT)) return dpyinfo->Xatom_COMPOUND_TEXT;
+ if (EQ (sym, QUTF8_STRING)) return dpyinfo->Xatom_UTF8_STRING;
if (EQ (sym, QDELETE)) return dpyinfo->Xatom_DELETE;
if (EQ (sym, QMULTIPLE)) return dpyinfo->Xatom_MULTIPLE;
if (EQ (sym, QINCR)) return dpyinfo->Xatom_INCR;
#endif
if (!SYMBOLP (sym)) abort ();
- TRACE1 (" XInternAtom %s", (char *) XSYMBOL (sym)->name->data);
+ TRACE1 (" XInternAtom %s", (char *) SDATA (SYMBOL_NAME (sym)));
BLOCK_INPUT;
- val = XInternAtom (display, (char *) XSYMBOL (sym)->name->data, False);
+ val = XInternAtom (display, (char *) SDATA (SYMBOL_NAME (sym)), False);
UNBLOCK_INPUT;
return val;
}
struct x_display_info *dpyinfo;
char *str;
Lisp_Object val;
-
+
if (! atom)
return Qnil;
-
+
switch (atom)
{
case XA_PRIMARY:
return QTEXT;
if (atom == dpyinfo->Xatom_COMPOUND_TEXT)
return QCOMPOUND_TEXT;
+ if (atom == dpyinfo->Xatom_UTF8_STRING)
+ return QUTF8_STRING;
if (atom == dpyinfo->Xatom_DELETE)
return QDELETE;
if (atom == dpyinfo->Xatom_MULTIPLE)
}
\f
/* Do protocol to assert ourself as a selection owner.
- Update the Vselection_alist so that we can reply to later requests for
+ Update the Vselection_alist so that we can reply to later requests for
our selection. */
static void
Time time = last_event_timestamp;
Atom selection_atom;
struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (sf);
- int count;
- CHECK_SYMBOL (selection_name, 0);
+ CHECK_SYMBOL (selection_name);
selection_atom = symbol_to_x_atom (dpyinfo, display, selection_name);
BLOCK_INPUT;
- count = x_catch_errors (display);
+ x_catch_errors (display);
XSetSelectionOwner (display, selection_atom, selecting_window, time);
x_check_errors (display, "Can't set selection: %s");
- x_uncatch_errors (display, count);
+ x_uncatch_errors ();
UNBLOCK_INPUT;
/* Now update the local cache */
/* Given a selection-name and desired type, look up our local copy of
the selection value and convert it to the type.
The value is nil or a string.
- This function is used both for remote requests
- and for local x-get-selection-internal.
+ This function is used both for remote requests (LOCAL_REQUEST is zero)
+ and for local x-get-selection-internal (LOCAL_REQUEST is nonzero).
This calls random Lisp code, and may signal or gc. */
static Lisp_Object
-x_get_local_selection (selection_symbol, target_type)
+x_get_local_selection (selection_symbol, target_type, local_request)
Lisp_Object selection_symbol, target_type;
+ int local_request;
{
Lisp_Object local_value;
Lisp_Object handler_fn, value, type, check;
pair = XVECTOR (pairs)->contents [i];
XVECTOR (pair)->contents [1]
= x_get_local_selection (XVECTOR (pair)->contents [0],
- XVECTOR (pair)->contents [1]);
+ XVECTOR (pair)->contents [1],
+ local_request);
}
return pairs;
}
/* Don't allow a quit within the converter.
When the user types C-g, he would be surprised
if by luck it came during a converter. */
- count = specpdl_ptr - specpdl;
+ count = SPECPDL_INDEX ();
specbind (Qinhibit_quit, Qt);
- CHECK_SYMBOL (target_type, 0);
+ CHECK_SYMBOL (target_type);
handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist));
+ /* gcpro is not needed here since nothing but HANDLER_FN
+ is live, and that ought to be a symbol. */
+
if (!NILP (handler_fn))
value = call3 (handler_fn,
- selection_symbol, target_type,
+ selection_symbol, (local_request ? Qnil : target_type),
XCAR (XCDR (local_value)));
else
value = Qnil;
&& SYMBOLP (XCAR (value)))
type = XCAR (value),
check = XCDR (value);
-
+
if (STRINGP (check)
|| VECTORP (check)
|| SYMBOLP (check)
struct input_event *event;
{
XSelectionEvent reply;
- int count;
-
+
reply.type = SelectionNotify;
reply.display = SELECTION_EVENT_DISPLAY (event);
reply.requestor = SELECTION_EVENT_REQUESTOR (event);
/* The reason for the error may be that the receiver has
died in the meantime. Handle that case. */
BLOCK_INPUT;
- count = x_catch_errors (reply.display);
+ x_catch_errors (reply.display);
XSendEvent (reply.display, reply.requestor, False, 0L, (XEvent *) &reply);
XFlush (reply.display);
- x_uncatch_errors (reply.display, count);
+ x_uncatch_errors ();
UNBLOCK_INPUT;
}
x_decline_selection_request (x_selection_current_request);
return Qnil;
}
+
+static Lisp_Object
+x_catch_errors_unwind (dummy)
+ Lisp_Object dummy;
+{
+ BLOCK_INPUT;
+ x_uncatch_errors ();
+ UNBLOCK_INPUT;
+ return Qnil;
+}
\f
/* This stuff is so that INCR selections are reentrant (that is, so we can
static struct prop_location *property_change_wait_list;
static Lisp_Object
-queue_selection_requests_unwind (frame)
- Lisp_Object frame;
+queue_selection_requests_unwind (tem)
+ Lisp_Object tem;
{
- FRAME_PTR f = XFRAME (frame);
-
- if (! NILP (frame))
- x_stop_queuing_selection_requests (FRAME_X_DISPLAY (f));
+ x_stop_queuing_selection_requests ();
return Qnil;
}
int format_bytes = format/8;
int max_bytes = SELECTION_QUANTUM (display);
struct x_display_info *dpyinfo = x_display_info_for_display (display);
- int count;
+ int count = SPECPDL_INDEX ();
if (max_bytes > MAX_SELECTION_QUANTUM)
max_bytes = MAX_SELECTION_QUANTUM;
if (reply.property == None)
reply.property = reply.target;
- /* #### XChangeProperty can generate BadAlloc, and we must handle it! */
BLOCK_INPUT;
- count = x_catch_errors (display);
+ /* The protected block contains wait_for_property_change, which can
+ run random lisp code (process handlers) or signal. Therefore, we
+ put the x_uncatch_errors call in an unwind. */
+ record_unwind_protect (x_catch_errors_unwind, Qnil);
+ x_catch_errors (display);
+
+#ifdef TRACE_SELECTION
+ {
+ static int cnt;
+ char *sel = XGetAtomName (display, reply.selection);
+ char *tgt = XGetAtomName (display, reply.target);
+ TRACE3 ("%s, target %s (%d)", sel, tgt, ++cnt);
+ if (sel) XFree (sel);
+ if (tgt) XFree (tgt);
+ }
+#endif /* TRACE_SELECTION */
/* Store the data on the requested property.
If the selection is large, only store the first N bytes of it.
bother trying to queue them. */
if (!NILP (frame))
{
- x_start_queuing_selection_requests (display);
+ x_start_queuing_selection_requests ();
record_unwind_protect (queue_selection_requests_unwind,
- frame);
+ Qnil);
}
if (x_window_to_frame (dpyinfo, window)) /* #### debug */
error ("Attempt to transfer an INCR to ourself!");
-
+
TRACE2 ("Start sending %d bytes incrementally (%s)",
bytes_remaining, XGetAtomName (display, reply.property));
wait_object = expect_property_change (display, window, reply.property,
TRACE1 ("Set %s to number of bytes to send",
XGetAtomName (display, reply.property));
- XChangeProperty (display, window, reply.property, dpyinfo->Xatom_INCR,
- 32, PropModeReplace,
- (unsigned char *) &bytes_remaining, 1);
+ {
+ /* XChangeProperty expects an array of long even if long is more than
+ 32 bits. */
+ long value[1];
+
+ value[0] = bytes_remaining;
+ XChangeProperty (display, window, reply.property, dpyinfo->Xatom_INCR,
+ 32, PropModeReplace,
+ (unsigned char *) value, 1);
+ }
+
XSelectInput (display, window, PropertyChangeMask);
-
+
/* Tell 'em the INCR data is there... */
TRACE0 ("Send SelectionNotify event");
XSendEvent (display, window, False, 0L, (XEvent *) &reply);
XGetAtomName (display, reply.property));
wait_for_property_change (wait_object);
}
+ else
+ unexpect_property_change (wait_object);
TRACE0 ("Got ACK");
while (bytes_remaining)
{
- int i = ((bytes_remaining < max_bytes)
- ? bytes_remaining
- : max_bytes);
+ int i = ((bytes_remaining < max_bytes)
+ ? bytes_remaining
+ : max_bytes);
BLOCK_INPUT;
TRACE1 ("Sending increment of %d bytes", i);
TRACE1 ("Set %s to increment data",
XGetAtomName (display, reply.property));
-
+
/* Append the next chunk of data to the property. */
XChangeProperty (display, window, reply.property, type, format,
PropModeAppend, data, i / format_bytes);
XGetAtomName (display, reply.property));
wait_for_property_change (wait_object);
}
-
+
/* Now write a zero-length chunk to the property to tell the
requester that we're done. */
BLOCK_INPUT;
TRACE0 ("Done sending incrementally");
}
+ /* rms, 2003-01-03: I think I have fixed this bug. */
/* The window we're communicating with may have been deleted
in the meantime (that's a real situation from a bug report).
In this case, there may be events in the event queue still
refering to the deleted window, and we'll get a BadWindow error
in XTread_socket when processing the events. I don't have
an idea how to fix that. gerd, 2001-01-98. */
- XFlush (display);
- x_uncatch_errors (display, count);
+ /* 2004-09-10: XSync and UNBLOCK so that possible protocol errors are
+ delivered before uncatch errors. */
+ XSync (display, False);
+ UNBLOCK_INPUT;
+
+ /* GTK queues events in addition to the queue in Xlib. So we
+ UNBLOCK to enter the event loop and get possible errors delivered,
+ and then BLOCK again because x_uncatch_errors requires it. */
+ BLOCK_INPUT;
+ /* This calls x_uncatch_errors. */
+ unbind_to (count, Qnil);
UNBLOCK_INPUT;
}
\f
/* Handle a SelectionRequest event EVENT.
This is called from keyboard.c when such an event is found in the queue. */
-void
+static void
x_handle_selection_request (event)
struct input_event *event;
{
struct x_display_info *dpyinfo
= x_display_info_for_display (SELECTION_EVENT_DISPLAY (event));
+ TRACE2 ("x_handle_selection_request, from=0x%08lx time=%lu",
+ (unsigned long) SELECTION_EVENT_REQUESTOR (event),
+ (unsigned long) SELECTION_EVENT_TIME (event));
+
local_selection_data = Qnil;
target_symbol = Qnil;
converted_selection = Qnil;
}
x_selection_current_request = event;
- count = BINDING_STACK_SIZE ();
+ count = SPECPDL_INDEX ();
selection_request_dpyinfo = dpyinfo;
record_unwind_protect (x_selection_request_lisp_error, Qnil);
if (EQ (target_symbol, QMULTIPLE))
target_symbol = fetch_multiple_target (event);
#endif
-
+
/* Convert lisp objects back into binary data */
-
+
converted_selection
- = x_get_local_selection (selection_symbol, target_symbol);
-
+ = x_get_local_selection (selection_symbol, target_symbol, 0);
+
if (! NILP (converted_selection))
{
unsigned char *data;
lisp_data_to_selection_data (SELECTION_EVENT_DISPLAY (event),
converted_selection,
&data, &type, &size, &format, &nofree);
-
+
x_reply_selection_request (event, format, data, size, type);
successful_p = Qt;
DONE:
- UNGCPRO;
-
/* Let random lisp code notice that the selection has been asked for. */
{
Lisp_Object rest;
- rest = Vx_sent_selection_hooks;
+ rest = Vx_sent_selection_functions;
if (!EQ (rest, Qunbound))
for (; CONSP (rest); rest = Fcdr (rest))
call3 (Fcar (rest), selection_symbol, target_symbol, successful_p);
}
+
+ UNGCPRO;
}
\f
/* Handle a SelectionClear event EVENT, which indicates that some
client cleared out our previously asserted selection.
This is called from keyboard.c when such an event is found in the queue. */
-void
+static void
x_handle_selection_clear (event)
struct input_event *event;
{
Display *display = SELECTION_EVENT_DISPLAY (event);
Atom selection = SELECTION_EVENT_SELECTION (event);
Time changed_owner_time = SELECTION_EVENT_TIME (event);
-
+
Lisp_Object selection_symbol, local_selection_data;
Time local_selection_time;
struct x_display_info *dpyinfo = x_display_info_for_display (display);
struct x_display_info *t_dpyinfo;
+ TRACE0 ("x_handle_selection_clear");
+
/* If the new selection owner is also Emacs,
don't clear the new selection. */
BLOCK_INPUT;
{
Lisp_Object rest;
- rest = Vx_lost_selection_hooks;
+ rest = Vx_lost_selection_functions;
if (!EQ (rest, Qunbound))
{
for (; CONSP (rest); rest = Fcdr (rest))
}
}
+void
+x_handle_selection_event (event)
+ struct input_event *event;
+{
+ TRACE0 ("x_handle_selection_event");
+
+ if (event->kind == SELECTION_REQUEST_EVENT)
+ {
+ if (x_queue_selection_requests)
+ x_queue_event (event);
+ else
+ x_handle_selection_request (event);
+ }
+ else
+ x_handle_selection_clear (event);
+}
+
+
/* Clear all selections that were made from frame F.
We do this when about to delete a frame. */
/* Let random Lisp code notice that the selection has been stolen. */
Lisp_Object hooks, selection_symbol;
- hooks = Vx_lost_selection_hooks;
+ hooks = Vx_lost_selection_functions;
selection_symbol = Fcar (Fcar (Vselection_alist));
if (!EQ (hooks, Qunbound))
/* Let random Lisp code notice that the selection has been stolen. */
Lisp_Object hooks, selection_symbol;
- hooks = Vx_lost_selection_hooks;
+ hooks = Vx_lost_selection_functions;
selection_symbol = Fcar (Fcar (XCDR (rest)));
if (!EQ (hooks, Qunbound))
/* Remove the property change expectation element for IDENTIFIER. */
static Lisp_Object
-wait_for_property_change_unwind (identifierval)
- Lisp_Object identifierval;
+wait_for_property_change_unwind (loc)
+ Lisp_Object loc;
{
- unexpect_property_change ((struct prop_location *)
- (XFASTINT (XCAR (identifierval)) << 16
- | XFASTINT (XCDR (identifierval))));
+ struct prop_location *location = XSAVE_VALUE (loc)->pointer;
+
+ unexpect_property_change (location);
+ if (location == property_change_reply_object)
+ property_change_reply_object = 0;
return Qnil;
}
struct prop_location *location;
{
int secs, usecs;
- int count = specpdl_ptr - specpdl;
- Lisp_Object tem;
+ int count = SPECPDL_INDEX ();
- tem = Fcons (Qnil, Qnil);
- XSETCARFASTINT (tem, (EMACS_UINT)location >> 16);
- XSETCDRFASTINT (tem, (EMACS_UINT)location & 0xffff);
+ if (property_change_reply_object)
+ abort ();
/* Make sure to do unexpect_property_change if we quit or err. */
- record_unwind_protect (wait_for_property_change_unwind, tem);
+ record_unwind_protect (wait_for_property_change_unwind,
+ make_save_value (location, 0));
XSETCAR (property_change_reply, Qnil);
-
property_change_reply_object = location;
+
/* If the event we are waiting for arrives beyond here, it will set
property_change_reply, because property_change_reply_object says so. */
if (! location->arrived)
secs = x_selection_timeout / 1000;
usecs = (x_selection_timeout % 1000) * 1000;
TRACE2 (" Waiting %d secs, %d usecs", secs, usecs);
- wait_reading_process_input (secs, usecs, property_change_reply, 0);
+ wait_reading_process_output (secs, usecs, 0, 0,
+ property_change_reply, NULL, 0);
if (NILP (XCAR (property_change_reply)))
{
while (rest)
{
- if (rest->property == event->atom
+ if (!rest->arrived
+ && rest->property == event->atom
&& rest->window == event->window
&& rest->display == event->display
&& rest->desired_state == event->state)
if (rest == property_change_reply_object)
XSETCAR (property_change_reply, Qt);
- if (prev)
- prev->next = rest->next;
- else
- property_change_wait_list = rest->next;
- xfree (rest);
return;
}
-
+
prev = rest;
rest = rest->next;
}
int size;
if (CONSP (obj))
return Fcons (XCAR (obj), copy_multiple_data (XCDR (obj)));
-
- CHECK_VECTOR (obj, 0);
+
+ CHECK_VECTOR (obj);
vec = Fmake_vector (size = XVECTOR (obj)->size, Qnil);
for (i = 0; i < size; i++)
{
Lisp_Object vec2 = XVECTOR (obj)->contents [i];
- CHECK_VECTOR (vec2, 0);
+ CHECK_VECTOR (vec2);
if (XVECTOR (vec2)->size != 2)
/* ??? Confusing error message */
Fsignal (Qerror, Fcons (build_string ("vectors must be of length 2"),
Converts this to Lisp data and returns it. */
static Lisp_Object
-x_get_foreign_selection (selection_symbol, target_type)
- Lisp_Object selection_symbol, target_type;
+x_get_foreign_selection (selection_symbol, target_type, time_stamp)
+ Lisp_Object selection_symbol, target_type, time_stamp;
{
struct frame *sf = SELECTED_FRAME ();
Window requestor_window = FRAME_X_WINDOW (sf);
Atom selection_atom = symbol_to_x_atom (dpyinfo, display, selection_symbol);
Atom type_atom;
int secs, usecs;
- int count;
+ int count = SPECPDL_INDEX ();
Lisp_Object frame;
if (CONSP (target_type))
else
type_atom = symbol_to_x_atom (dpyinfo, display, target_type);
+ if (! NILP (time_stamp))
+ {
+ if (CONSP (time_stamp))
+ requestor_time = (Time) cons_to_long (time_stamp);
+ else if (INTEGERP (time_stamp))
+ requestor_time = (Time) XUINT (time_stamp);
+ else if (FLOATP (time_stamp))
+ requestor_time = (Time) XFLOAT_DATA (time_stamp);
+ else
+ error ("TIME_STAMP must be cons or number");
+ }
+
BLOCK_INPUT;
-
- count = x_catch_errors (display);
-
+
+ /* The protected block contains wait_reading_process_output, which
+ can run random lisp code (process handlers) or signal.
+ Therefore, we put the x_uncatch_errors call in an unwind. */
+ record_unwind_protect (x_catch_errors_unwind, Qnil);
+ x_catch_errors (display);
+
TRACE2 ("Get selection %s, type %s",
XGetAtomName (display, type_atom),
XGetAtomName (display, target_property));
bother trying to queue them. */
if (!NILP (frame))
{
- x_start_queuing_selection_requests (display);
+ x_start_queuing_selection_requests ();
record_unwind_protect (queue_selection_requests_unwind,
- frame);
+ Qnil);
}
UNBLOCK_INPUT;
secs = x_selection_timeout / 1000;
usecs = (x_selection_timeout % 1000) * 1000;
TRACE1 (" Start waiting %d secs for SelectionNotify", secs);
- wait_reading_process_input (secs, usecs, reading_selection_reply, 0);
+ wait_reading_process_output (secs, usecs, 0, 0,
+ reading_selection_reply, NULL, 0);
TRACE1 (" Got event = %d", !NILP (XCAR (reading_selection_reply)));
BLOCK_INPUT;
- x_check_errors (display, "Cannot get selection: %s");
- x_uncatch_errors (display, count);
+ if (x_had_errors_p (display))
+ error ("Cannot get selection");
+ /* This calls x_uncatch_errors. */
+ unbind_to (count, Qnil);
UNBLOCK_INPUT;
if (NILP (XCAR (reading_selection_reply)))
error ("Timed out waiting for reply from selection owner");
if (EQ (XCAR (reading_selection_reply), Qlambda))
- error ("No `%s' selection", XSYMBOL (selection_symbol)->name->data);
+ error ("No `%s' selection", SDATA (SYMBOL_NAME (selection_symbol)));
/* Otherwise, the selection is waiting for us on the requested property. */
return
unsigned char *tmp_data = 0;
int result;
int buffer_size = SELECTION_QUANTUM (display);
-
+
if (buffer_size > MAX_SELECTION_QUANTUM)
buffer_size = MAX_SELECTION_QUANTUM;
-
+
BLOCK_INPUT;
-
+
/* First probe the thing to find out how big it is. */
result = XGetWindowProperty (display, window, property,
0L, 0L, False, AnyPropertyType,
*bytes_ret = 0;
return;
}
-
+
/* This was allocated by Xlib, so use XFree. */
XFree ((char *) tmp_data);
-
+
if (*actual_type_ret == None || *actual_format_ret == 0)
{
UNBLOCK_INPUT;
total_size = bytes_remaining + 1;
*data_ret = (unsigned char *) xmalloc (total_size);
-
+
/* Now read, until we've gotten it all. */
while (bytes_remaining)
{
reading it. Deal with that, I guess.... */
if (result != Success)
break;
- *actual_size_ret *= *actual_format_ret / 8;
- bcopy (tmp_data, (*data_ret) + offset, *actual_size_ret);
- offset += *actual_size_ret;
-
+
+ /* The man page for XGetWindowProperty says:
+ "If the returned format is 32, the returned data is represented
+ as a long array and should be cast to that type to obtain the
+ elements."
+ This applies even if long is more than 32 bits, the X library
+ converts from 32 bit elements received from the X server to long
+ and passes the long array to us. Thus, for that case bcopy can not
+ be used. We convert to a 32 bit type here, because so much code
+ assume on that.
+
+ The bytes and offsets passed to XGetWindowProperty refers to the
+ property and those are indeed in 32 bit quantities if format is 32. */
+
+ if (*actual_format_ret == 32 && *actual_format_ret < BITS_PER_LONG)
+ {
+ unsigned long i;
+ int *idata = (int *) ((*data_ret) + offset);
+ long *ldata = (long *) tmp_data;
+
+ for (i = 0; i < *actual_size_ret; ++i)
+ {
+ idata[i]= (int) ldata[i];
+ offset += 4;
+ }
+ }
+ else
+ {
+ *actual_size_ret *= *actual_format_ret / 8;
+ bcopy (tmp_data, (*data_ret) + offset, *actual_size_ret);
+ offset += *actual_size_ret;
+ }
+
/* This was allocated by Xlib, so use XFree. */
XFree ((char *) tmp_data);
}
BLOCK_INPUT;
XSelectInput (display, window, STANDARD_EVENT_SET | PropertyChangeMask);
TRACE1 (" Delete property %s",
- XSYMBOL (x_atom_to_symbol (display, property))->name->data);
+ SDATA (SYMBOL_NAME (x_atom_to_symbol (display, property))));
XDeleteProperty (display, window, property);
TRACE1 (" Expect new value of property %s",
- XSYMBOL (x_atom_to_symbol (display, property))->name->data);
+ SDATA (SYMBOL_NAME (x_atom_to_symbol (display, property))));
wait_object = expect_property_change (display, window, property,
PropertyNewValue);
XFlush (display);
TRACE0 (" Wait for property change");
wait_for_property_change (wait_object);
-
+
/* expect it again immediately, because x_get_window_property may
.. no it won't, I don't get it.
.. Ok, I get it now, the Xt code that implements INCR is broken. */
if (! waiting_for_other_props_on_window (display, window))
XSelectInput (display, window, STANDARD_EVENT_SET);
- unexpect_property_change (wait_object);
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
if (tmp_data) xfree (tmp_data);
*size_bytes_ret = offset + tmp_size_bytes;
*data_ret = (unsigned char *) xrealloc (*data_ret, *size_bytes_ret);
}
-
+
bcopy (tmp_data, (*data_ret) + offset, tmp_size_bytes);
offset += tmp_size_bytes;
-
+
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
xfree (tmp_data);
selection_atom),
Qnil)));
}
-
+
if (actual_type == dpyinfo->Xatom_INCR)
{
/* That wasn't really the data, just the beginning. */
manner. */
val = selection_data_to_lisp_data (display, data, bytes,
actual_type, actual_format);
-
+
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
xfree ((char *) data);
When converting an object to C, it may be of the form (SYMBOL . <data>)
where SYMBOL is what we should claim that the type is. Format and
- representation are as above. */
+ representation are as above.
+
+ Important: When format is 32, data should contain an array of int,
+ not an array of long as the X library returns. This makes a difference
+ when sizeof(long) != sizeof(int). */
/* Convert any 8-bit data to a string, for compactness. */
else if (format == 8)
{
- Lisp_Object str;
- int require_encoding = 0;
-
- if (
-#if 1
- 1
-#else
- ! NILP (buffer_defaults.enable_multibyte_characters)
-#endif
- )
- {
- /* If TYPE is `TEXT' or `COMPOUND_TEXT', we should decode
- DATA to Emacs internal format because DATA may be encoded
- in compound text format. In addtion, if TYPE is `STRING'
- and DATA contains any 8-bit Latin-1 code, we should also
- decode it. */
- if (type == dpyinfo->Xatom_TEXT
- || type == dpyinfo->Xatom_COMPOUND_TEXT)
- require_encoding = 1;
- else if (type == XA_STRING)
- {
- int i;
- for (i = 0; i < size; i++)
- {
- if (data[i] >= 0x80)
- {
- require_encoding = 1;
- break;
- }
- }
- }
- }
- if (!require_encoding)
- {
- str = make_unibyte_string ((char *) data, size);
- Vlast_coding_system_used = Qraw_text;
- }
+ Lisp_Object str, lispy_type;
+
+ str = make_unibyte_string ((char *) data, size);
+ /* Indicate that this string is from foreign selection by a text
+ property `foreign-selection' so that the caller of
+ x-get-selection-internal (usually x-get-selection) can know
+ that the string must be decode. */
+ if (type == dpyinfo->Xatom_COMPOUND_TEXT)
+ lispy_type = QCOMPOUND_TEXT;
+ else if (type == dpyinfo->Xatom_UTF8_STRING)
+ lispy_type = QUTF8_STRING;
else
- {
- int bufsize;
- unsigned char *buf;
- struct coding_system coding;
-
- if (NILP (Vnext_selection_coding_system))
- Vnext_selection_coding_system = Vselection_coding_system;
- setup_coding_system
- (Fcheck_coding_system(Vnext_selection_coding_system), &coding);
- coding.src_multibyte = 0;
- coding.dst_multibyte = 1;
- Vnext_selection_coding_system = Qnil;
- coding.mode |= CODING_MODE_LAST_BLOCK;
- bufsize = decoding_buffer_size (&coding, size);
- buf = (unsigned char *) xmalloc (bufsize);
- decode_coding (&coding, data, buf, size, bufsize);
- str = make_string_from_bytes ((char *) buf,
- coding.produced_char, coding.produced);
- xfree (buf);
- Vlast_coding_system_used = coding.symbol;
- }
- compose_chars_in_text (0, XSTRING (str)->size, str);
+ lispy_type = QSTRING;
+ Fput_text_property (make_number (0), make_number (size),
+ Qforeign_selection, lispy_type, str);
return str;
}
/* Convert a single atom to a Lisp_Symbol. Convert a set of atoms to
else if (type == XA_ATOM)
{
int i;
- if (size == sizeof (Atom))
- return x_atom_to_symbol (display, *((Atom *) data));
+ /* On a 64 bit machine sizeof(Atom) == sizeof(long) == 8.
+ But the callers of these function has made sure the data for
+ format == 32 is an array of int. Thus, use int instead
+ of Atom. */
+ int *idata = (int *) data;
+
+ if (size == sizeof (int))
+ return x_atom_to_symbol (display, (Atom) idata[0]);
else
{
- Lisp_Object v = Fmake_vector (make_number (size / sizeof (Atom)),
+ Lisp_Object v = Fmake_vector (make_number (size / sizeof (int)),
make_number (0));
- for (i = 0; i < size / sizeof (Atom); i++)
+ for (i = 0; i < size / sizeof (int); i++)
Faset (v, make_number (i),
- x_atom_to_symbol (display, ((Atom *) data) [i]));
+ x_atom_to_symbol (display, (Atom) idata[i]));
return v;
}
}
If the number is > 16 bits, convert it to a cons of integers,
16 bits in each half.
*/
- else if (format == 32 && size == sizeof (long))
- return long_to_cons (((unsigned long *) data) [0]);
+ else if (format == 32 && size == sizeof (int))
+ return long_to_cons (((unsigned int *) data) [0]);
else if (format == 16 && size == sizeof (short))
return make_number ((int) (((unsigned short *) data) [0]));
Lisp_Object v = Fmake_vector (make_number (size / 4), make_number (0));
for (i = 0; i < size / 4; i++)
{
- unsigned long j = ((unsigned long *) data) [i];
+ unsigned int j = ((unsigned int *) data) [i];
Faset (v, make_number (i), long_to_cons (j));
}
return v;
}
else if (STRINGP (obj))
{
- /* Since we are now handling multilingual text, we must consider
- sending back compound text. */
- int stringp;
-
- if (NILP (Vnext_selection_coding_system))
- Vnext_selection_coding_system = Vselection_coding_system;
-
- *format_ret = 8;
- *data_ret = x_encode_text (obj, Vnext_selection_coding_system,
- (int *) size_ret, &stringp);
- *nofree_ret = (*data_ret == XSTRING (obj)->data);
+ if (SCHARS (obj) < SBYTES (obj))
+ /* OBJ is a multibyte string containing a non-ASCII char. */
+ Fsignal (Qerror, /* Qselection_error */
+ Fcons (build_string
+ ("Non-ASCII string must be encoded in advance"),
+ Fcons (obj, Qnil)));
if (NILP (type))
- type = (stringp ? QSTRING : QCOMPOUND_TEXT);
- Vlast_coding_system_used = (*nofree_ret
- ? Qraw_text
- : Vnext_selection_coding_system);
- Vnext_selection_coding_system = Qnil;
+ type = QSTRING;
+ *format_ret = 8;
+ *size_ret = SBYTES (obj);
+ *data_ret = SDATA (obj);
+ *nofree_ret = 1;
}
else if (SYMBOLP (obj))
{
Lisp_Object pair = XVECTOR (obj)->contents [i];
if (XVECTOR (pair)->size != 2)
Fsignal (Qerror,
- Fcons (build_string
+ Fcons (build_string
("elements of the vector must be vectors of exactly two elements"),
Fcons (pair, Qnil)));
-
+
(*(Atom **) data_ret) [i * 2]
= symbol_to_x_atom (dpyinfo, display,
XVECTOR (pair)->contents [0]);
Fcons (build_string
("all elements of the vector must be of the same type"),
Fcons (obj, Qnil)));
-
+
}
#endif
else
/* This vector is an INTEGER set, or something like it */
{
+ int data_size = 2;
*size_ret = XVECTOR (obj)->size;
if (NILP (type)) type = QINTEGER;
*format_ret = 16;
("elements of selection vector must be integers or conses of integers"),
Fcons (obj, Qnil)));
- *data_ret = (unsigned char *) xmalloc (*size_ret * (*format_ret/8));
+ /* Use sizeof(long) even if it is more than 32 bits. See comment
+ in x_get_window_property and x_fill_property_data. */
+
+ if (*format_ret == 32) data_size = sizeof(long);
+ *data_ret = (unsigned char *) xmalloc (*size_ret * data_size);
for (i = 0; i < *size_ret; i++)
if (*format_ret == 32)
(*((unsigned long **) data_ret)) [i]
}
else
Fsignal (Qerror, /* Qselection_error */
- Fcons (build_string ("unrecognised selection data"),
+ Fcons (build_string ("unrecognized selection data"),
Fcons (obj, Qnil)));
*type_ret = symbol_to_x_atom (dpyinfo, display, type);
Lisp_Object selection_name, selection_value;
{
check_x ();
- CHECK_SYMBOL (selection_name, 0);
- if (NILP (selection_value)) error ("selection-value may not be nil");
+ CHECK_SYMBOL (selection_name);
+ if (NILP (selection_value)) error ("SELECTION-VALUE may not be nil");
x_own_selection (selection_name, selection_value);
return selection_value;
}
will block until all of the data has arrived. */
DEFUN ("x-get-selection-internal", Fx_get_selection_internal,
- Sx_get_selection_internal, 2, 2, 0,
+ Sx_get_selection_internal, 2, 3, 0,
doc: /* Return text selected from some X window.
SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.
\(Those are literal upper-case symbol names, since that's what X expects.)
-TYPE is the type of data desired, typically `STRING'. */)
- (selection_symbol, target_type)
- Lisp_Object selection_symbol, target_type;
+TYPE is the type of data desired, typically `STRING'.
+TIME_STAMP is the time to use in the XConvertSelection call for foreign
+selections. If omitted, defaults to the time for the last event. */)
+ (selection_symbol, target_type, time_stamp)
+ Lisp_Object selection_symbol, target_type, time_stamp;
{
Lisp_Object val = Qnil;
struct gcpro gcpro1, gcpro2;
GCPRO2 (target_type, val); /* we store newly consed data into these */
check_x ();
- CHECK_SYMBOL (selection_symbol, 0);
+ CHECK_SYMBOL (selection_symbol);
#if 0 /* #### MULTIPLE doesn't work yet */
if (CONSP (target_type)
&& XCAR (target_type) == QMULTIPLE)
{
- CHECK_VECTOR (XCDR (target_type), 0);
+ CHECK_VECTOR (XCDR (target_type));
/* So we don't destructively modify this... */
target_type = copy_multiple_data (target_type);
}
else
#endif
- CHECK_SYMBOL (target_type, 0);
+ CHECK_SYMBOL (target_type);
- val = x_get_local_selection (selection_symbol, target_type);
+ val = x_get_local_selection (selection_symbol, target_type, 1);
if (NILP (val))
{
- val = x_get_foreign_selection (selection_symbol, target_type);
+ val = x_get_foreign_selection (selection_symbol, target_type, time_stamp);
goto DONE;
}
{
Time timestamp;
Atom selection_atom;
- struct selection_input_event event;
+ union {
+ struct selection_input_event sie;
+ struct input_event ie;
+ } event;
Display *display;
struct x_display_info *dpyinfo;
struct frame *sf = SELECTED_FRAME ();
check_x ();
display = FRAME_X_DISPLAY (sf);
dpyinfo = FRAME_X_DISPLAY_INFO (sf);
- CHECK_SYMBOL (selection, 0);
+ CHECK_SYMBOL (selection);
if (NILP (time))
timestamp = last_event_timestamp;
else
the selection owner to None. The NCD server does, the MIT Sun4 server
doesn't. So we synthesize one; this means we might get two, but
that's ok, because the second one won't have any effect. */
- SELECTION_EVENT_DISPLAY (&event) = display;
- SELECTION_EVENT_SELECTION (&event) = selection_atom;
- SELECTION_EVENT_TIME (&event) = timestamp;
- x_handle_selection_clear ((struct input_event *) &event);
+ SELECTION_EVENT_DISPLAY (&event.sie) = display;
+ SELECTION_EVENT_SELECTION (&event.sie) = selection_atom;
+ SELECTION_EVENT_TIME (&event.sie) = timestamp;
+ x_handle_selection_clear (&event.ie);
return Qt;
}
Lisp_Object selection;
{
check_x ();
- CHECK_SYMBOL (selection, 0);
+ CHECK_SYMBOL (selection);
if (EQ (selection, Qnil)) selection = QPRIMARY;
if (EQ (selection, Qt)) selection = QSECONDARY;
-
+
if (NILP (Fassq (selection, Vselection_alist)))
return Qnil;
return Qt;
return Qnil;
dpy = FRAME_X_DISPLAY (sf);
- CHECK_SYMBOL (selection, 0);
+ CHECK_SYMBOL (selection);
if (!NILP (Fx_selection_owner_p (selection)))
return Qt;
if (EQ (selection, Qnil)) selection = QPRIMARY;
}
-#define CHECK_CUT_BUFFER(symbol,n) \
- { CHECK_SYMBOL ((symbol), (n)); \
+#define CHECK_CUT_BUFFER(symbol) \
+ { CHECK_SYMBOL ((symbol)); \
if (!EQ((symbol), QCUT_BUFFER0) && !EQ((symbol), QCUT_BUFFER1) \
&& !EQ((symbol), QCUT_BUFFER2) && !EQ((symbol), QCUT_BUFFER3) \
&& !EQ((symbol), QCUT_BUFFER4) && !EQ((symbol), QCUT_BUFFER5) \
display = FRAME_X_DISPLAY (sf);
dpyinfo = FRAME_X_DISPLAY_INFO (sf);
window = RootWindow (display, 0); /* Cut buffers are on screen 0 */
- CHECK_CUT_BUFFER (buffer, 0);
+ CHECK_CUT_BUFFER (buffer);
buffer_atom = symbol_to_x_atom (dpyinfo, display, buffer);
x_get_window_property (display, window, buffer_atom, &data, &bytes,
&type, &format, &size, 0);
if (!data || !format)
return Qnil;
-
+
if (format != 8 || type != XA_STRING)
Fsignal (Qerror,
Fcons (build_string ("cut buffer doesn't contain 8-bit data"),
Fcons (x_atom_to_symbol (display, type),
Fcons (make_number (format), Qnil))));
- ret = (bytes ? make_string ((char *) data, bytes) : Qnil);
+ ret = (bytes ? make_unibyte_string ((char *) data, bytes) : Qnil);
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
xfree (data);
if (max_bytes > MAX_SELECTION_QUANTUM)
max_bytes = MAX_SELECTION_QUANTUM;
- CHECK_CUT_BUFFER (buffer, 0);
- CHECK_STRING (string, 0);
+ CHECK_CUT_BUFFER (buffer);
+ CHECK_STRING (string);
buffer_atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (sf),
display, buffer);
- data = (unsigned char *) XSTRING (string)->data;
- bytes = STRING_BYTES (XSTRING (string));
+ data = (unsigned char *) SDATA (string);
+ bytes = SBYTES (string);
bytes_remaining = bytes;
if (! FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized)
check_x ();
display = FRAME_X_DISPLAY (sf);
window = RootWindow (display, 0); /* Cut buffers are on screen 0 */
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
if (XINT (n) == 0)
return n;
if (! FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized)
}
#endif
+\f
+/***********************************************************************
+ Drag and drop support
+***********************************************************************/
+/* Check that lisp values are of correct type for x_fill_property_data.
+ That is, number, string or a cons with two numbers (low and high 16
+ bit parts of a 32 bit number). */
+
+int
+x_check_property_data (data)
+ Lisp_Object data;
+{
+ Lisp_Object iter;
+ int size = 0;
+
+ for (iter = data; CONSP (iter) && size != -1; iter = XCDR (iter), ++size)
+ {
+ Lisp_Object o = XCAR (iter);
+
+ if (! NUMBERP (o) && ! STRINGP (o) && ! CONSP (o))
+ size = -1;
+ else if (CONSP (o) &&
+ (! NUMBERP (XCAR (o)) || ! NUMBERP (XCDR (o))))
+ size = -1;
+ }
+
+ return size;
+}
+
+/* Convert lisp values to a C array. Values may be a number, a string
+ which is taken as an X atom name and converted to the atom value, or
+ a cons containing the two 16 bit parts of a 32 bit number.
+
+ DPY is the display use to look up X atoms.
+ DATA is a Lisp list of values to be converted.
+ RET is the C array that contains the converted values. It is assumed
+ it is big enough to hold all values.
+ FORMAT is 8, 16 or 32 and denotes char/short/long for each C value to
+ be stored in RET. Note that long is used for 32 even if long is more
+ than 32 bits (see man pages for XChangeProperty, XGetWindowProperty and
+ XClientMessageEvent). */
+
+void
+x_fill_property_data (dpy, data, ret, format)
+ Display *dpy;
+ Lisp_Object data;
+ void *ret;
+ int format;
+{
+ long val;
+ long *d32 = (long *) ret;
+ short *d16 = (short *) ret;
+ char *d08 = (char *) ret;
+ Lisp_Object iter;
+
+ for (iter = data; CONSP (iter); iter = XCDR (iter))
+ {
+ Lisp_Object o = XCAR (iter);
+
+ if (INTEGERP (o))
+ val = (long) XFASTINT (o);
+ else if (FLOATP (o))
+ val = (long) XFLOAT_DATA (o);
+ else if (CONSP (o))
+ val = (long) cons_to_long (o);
+ else if (STRINGP (o))
+ {
+ BLOCK_INPUT;
+ val = (long) XInternAtom (dpy, (char *) SDATA (o), False);
+ UNBLOCK_INPUT;
+ }
+ else
+ error ("Wrong type, must be string, number or cons");
+
+ if (format == 8)
+ *d08++ = (char) val;
+ else if (format == 16)
+ *d16++ = (short) val;
+ else
+ *d32++ = val;
+ }
+}
+
+/* Convert an array of C values to a Lisp list.
+ F is the frame to be used to look up X atoms if the TYPE is XA_ATOM.
+ DATA is a C array of values to be converted.
+ TYPE is the type of the data. Only XA_ATOM is special, it converts
+ each number in DATA to its corresponfing X atom as a symbol.
+ FORMAT is 8, 16 or 32 and gives the size in bits for each C value to
+ be stored in RET.
+ SIZE is the number of elements in DATA.
+
+ Important: When format is 32, data should contain an array of int,
+ not an array of long as the X library returns. This makes a difference
+ when sizeof(long) != sizeof(int).
+
+ Also see comment for selection_data_to_lisp_data above. */
+
+Lisp_Object
+x_property_data_to_lisp (f, data, type, format, size)
+ struct frame *f;
+ unsigned char *data;
+ Atom type;
+ int format;
+ unsigned long size;
+{
+ return selection_data_to_lisp_data (FRAME_X_DISPLAY (f),
+ data, size*format/8, type, format);
+}
+
+/* Get the mouse position in frame relative coordinates. */
+
+static void
+mouse_position_for_drop (f, x, y)
+ FRAME_PTR f;
+ int *x;
+ int *y;
+{
+ Window root, dummy_window;
+ int dummy;
+
+ BLOCK_INPUT;
+
+ XQueryPointer (FRAME_X_DISPLAY (f),
+ DefaultRootWindow (FRAME_X_DISPLAY (f)),
+
+ /* The root window which contains the pointer. */
+ &root,
+
+ /* Window pointer is on, not used */
+ &dummy_window,
+
+ /* The position on that root window. */
+ x, y,
+
+ /* x/y in dummy_window coordinates, not used. */
+ &dummy, &dummy,
+
+ /* Modifier keys and pointer buttons, about which
+ we don't care. */
+ (unsigned int *) &dummy);
+
+
+ /* Absolute to relative. */
+ *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+ *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+
+ UNBLOCK_INPUT;
+}
+
+DEFUN ("x-get-atom-name", Fx_get_atom_name,
+ Sx_get_atom_name, 1, 2, 0,
+ doc: /* Return the X atom name for VALUE as a string.
+VALUE may be a number or a cons where the car is the upper 16 bits and
+the cdr is the lower 16 bits of a 32 bit value.
+Use the display for FRAME or the current frame if FRAME is not given or nil.
+
+If the value is 0 or the atom is not known, return the empty string. */)
+ (value, frame)
+ Lisp_Object value, frame;
+{
+ struct frame *f = check_x_frame (frame);
+ char *name = 0;
+ Lisp_Object ret = Qnil;
+ Display *dpy = FRAME_X_DISPLAY (f);
+ Atom atom;
+ int had_errors;
+
+ if (INTEGERP (value))
+ atom = (Atom) XUINT (value);
+ else if (FLOATP (value))
+ atom = (Atom) XFLOAT_DATA (value);
+ else if (CONSP (value))
+ atom = (Atom) cons_to_long (value);
+ else
+ error ("Wrong type, value must be number or cons");
+
+ BLOCK_INPUT;
+ x_catch_errors (dpy);
+ name = atom ? XGetAtomName (dpy, atom) : "";
+ had_errors = x_had_errors_p (dpy);
+ x_uncatch_errors ();
+
+ if (!had_errors)
+ ret = make_string (name, strlen (name));
+
+ if (atom && name) XFree (name);
+ if (NILP (ret)) ret = make_string ("", 0);
+
+ UNBLOCK_INPUT;
+
+ return ret;
+}
+
+/* Convert an XClientMessageEvent to a Lisp event of type DRAG_N_DROP_EVENT.
+ TODO: Check if this client event really is a DND event? */
+
+int
+x_handle_dnd_message (f, event, dpyinfo, bufp)
+ struct frame *f;
+ XClientMessageEvent *event;
+ struct x_display_info *dpyinfo;
+ struct input_event *bufp;
+{
+ Lisp_Object vec;
+ Lisp_Object frame;
+ /* format 32 => size 5, format 16 => size 10, format 8 => size 20 */
+ unsigned long size = 160/event->format;
+ int x, y;
+ unsigned char *data = (unsigned char *) event->data.b;
+ int idata[5];
+
+ XSETFRAME (frame, f);
+
+ /* On a 64 bit machine, the event->data.l array members are 64 bits (long),
+ but the x_property_data_to_lisp (or rather selection_data_to_lisp_data)
+ function expects them to be of size int (i.e. 32). So to be able to
+ use that function, put the data in the form it expects if format is 32. */
+
+ if (event->format == 32 && event->format < BITS_PER_LONG)
+ {
+ int i;
+ for (i = 0; i < 5; ++i) /* There are only 5 longs in a ClientMessage. */
+ idata[i] = (int) event->data.l[i];
+ data = (unsigned char *) idata;
+ }
+
+ vec = Fmake_vector (make_number (4), Qnil);
+ AREF (vec, 0) = SYMBOL_NAME (x_atom_to_symbol (FRAME_X_DISPLAY (f),
+ event->message_type));
+ AREF (vec, 1) = frame;
+ AREF (vec, 2) = make_number (event->format);
+ AREF (vec, 3) = x_property_data_to_lisp (f,
+ data,
+ event->message_type,
+ event->format,
+ size);
+
+ mouse_position_for_drop (f, &x, &y);
+ bufp->kind = DRAG_N_DROP_EVENT;
+ bufp->frame_or_window = frame;
+ bufp->timestamp = CurrentTime;
+ bufp->x = make_number (x);
+ bufp->y = make_number (y);
+ bufp->arg = vec;
+ bufp->modifiers = 0;
+
+ return 1;
+}
+
+DEFUN ("x-send-client-message", Fx_send_client_event,
+ Sx_send_client_message, 6, 6, 0,
+ doc: /* Send a client message of MESSAGE-TYPE to window DEST on DISPLAY.
+
+For DISPLAY, specify either a frame or a display name (a string).
+If DISPLAY is nil, that stands for the selected frame's display.
+DEST may be a number, in which case it is a Window id. The value 0 may
+be used to send to the root window of the DISPLAY.
+If DEST is a cons, it is converted to a 32 bit number
+with the high 16 bits from the car and the lower 16 bit from the cdr. That
+number is then used as a window id.
+If DEST is a frame the event is sent to the outer window of that frame.
+Nil means the currently selected frame.
+If DEST is the string "PointerWindow" the event is sent to the window that
+contains the pointer. If DEST is the string "InputFocus" the event is
+sent to the window that has the input focus.
+FROM is the frame sending the event. Use nil for currently selected frame.
+MESSAGE-TYPE is the name of an Atom as a string.
+FORMAT must be one of 8, 16 or 32 and determines the size of the values in
+bits. VALUES is a list of numbers, cons and/or strings containing the values
+to send. If a value is a string, it is converted to an Atom and the value of
+the Atom is sent. If a value is a cons, it is converted to a 32 bit number
+with the high 16 bits from the car and the lower 16 bit from the cdr.
+If more values than fits into the event is given, the excessive values
+are ignored. */)
+ (display, dest, from, message_type, format, values)
+ Lisp_Object display, dest, from, message_type, format, values;
+{
+ struct x_display_info *dpyinfo = check_x_display_info (display);
+ Window wdest;
+ XEvent event;
+ Lisp_Object cons;
+ int size;
+ struct frame *f = check_x_frame (from);
+ int to_root;
+
+ CHECK_STRING (message_type);
+ CHECK_NUMBER (format);
+ CHECK_CONS (values);
+
+ if (x_check_property_data (values) == -1)
+ error ("Bad data in VALUES, must be number, cons or string");
+
+ event.xclient.type = ClientMessage;
+ event.xclient.format = XFASTINT (format);
+
+ if (event.xclient.format != 8 && event.xclient.format != 16
+ && event.xclient.format != 32)
+ error ("FORMAT must be one of 8, 16 or 32");
+
+ if (FRAMEP (dest) || NILP (dest))
+ {
+ struct frame *fdest = check_x_frame (dest);
+ wdest = FRAME_OUTER_WINDOW (fdest);
+ }
+ else if (STRINGP (dest))
+ {
+ if (strcmp (SDATA (dest), "PointerWindow") == 0)
+ wdest = PointerWindow;
+ else if (strcmp (SDATA (dest), "InputFocus") == 0)
+ wdest = InputFocus;
+ else
+ error ("DEST as a string must be one of PointerWindow or InputFocus");
+ }
+ else if (INTEGERP (dest))
+ wdest = (Window) XFASTINT (dest);
+ else if (FLOATP (dest))
+ wdest = (Window) XFLOAT_DATA (dest);
+ else if (CONSP (dest))
+ {
+ if (! NUMBERP (XCAR (dest)) || ! NUMBERP (XCDR (dest)))
+ error ("Both car and cdr for DEST must be numbers");
+ else
+ wdest = (Window) cons_to_long (dest);
+ }
+ else
+ error ("DEST must be a frame, nil, string, number or cons");
+
+ if (wdest == 0) wdest = dpyinfo->root_window;
+ to_root = wdest == dpyinfo->root_window;
+
+ for (cons = values, size = 0; CONSP (cons); cons = XCDR (cons), ++size)
+ ;
+
+ BLOCK_INPUT;
+
+ event.xclient.message_type
+ = XInternAtom (dpyinfo->display, SDATA (message_type), False);
+ event.xclient.display = dpyinfo->display;
+
+ /* Some clients (metacity for example) expects sending window to be here
+ when sending to the root window. */
+ event.xclient.window = to_root ? FRAME_OUTER_WINDOW (f) : wdest;
+
+
+ memset (event.xclient.data.b, 0, sizeof (event.xclient.data.b));
+ x_fill_property_data (dpyinfo->display, values, event.xclient.data.b,
+ event.xclient.format);
+
+ /* If event mask is 0 the event is sent to the client that created
+ the destination window. But if we are sending to the root window,
+ there is no such client. Then we set the event mask to 0xffff. The
+ event then goes to clients selecting for events on the root window. */
+ x_catch_errors (dpyinfo->display);
+ {
+ int propagate = to_root ? False : True;
+ unsigned mask = to_root ? 0xffff : 0;
+ XSendEvent (dpyinfo->display, wdest, propagate, mask, &event);
+ XFlush (dpyinfo->display);
+ }
+ x_uncatch_errors ();
+ UNBLOCK_INPUT;
+
+ return Qnil;
+}
+
\f
void
syms_of_xselect ()
defsubr (&Sx_rotate_cut_buffers_internal);
#endif
+ defsubr (&Sx_get_atom_name);
+ defsubr (&Sx_send_client_message);
+
reading_selection_reply = Fcons (Qnil, Qnil);
staticpro (&reading_selection_reply);
reading_selection_window = 0;
and there is no meaningful selection value. */);
Vselection_converter_alist = Qnil;
- DEFVAR_LISP ("x-lost-selection-hooks", &Vx_lost_selection_hooks,
+ DEFVAR_LISP ("x-lost-selection-functions", &Vx_lost_selection_functions,
doc: /* A list of functions to be called when Emacs loses an X selection.
\(This happens when some other X client makes its own selection
or when a Lisp program explicitly clears the selection.)
The functions are called with one argument, the selection type
\(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'). */);
- Vx_lost_selection_hooks = Qnil;
+ Vx_lost_selection_functions = Qnil;
- DEFVAR_LISP ("x-sent-selection-hooks", &Vx_sent_selection_hooks,
+ DEFVAR_LISP ("x-sent-selection-functions", &Vx_sent_selection_functions,
doc: /* A list of functions to be called when Emacs answers a selection request.
The functions are called with four arguments:
- the selection name (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');
to convert into a type that we don't know about or that is inappropriate.
This hook doesn't let you change the behavior of Emacs's selection replies,
it merely informs you that they have happened. */);
- Vx_sent_selection_hooks = Qnil;
+ Vx_sent_selection_functions = Qnil;
DEFVAR_LISP ("selection-coding-system", &Vselection_coding_system,
doc: /* Coding system for communicating with other X clients.
When sending or receiving text via cut_buffer, selection, and clipboard,
the text is encoded or decoded by this coding system.
-The default value is `compound-text'. */);
- Vselection_coding_system = intern ("compound-text");
+The default value is `compound-text-with-extensions'. */);
+ Vselection_coding_system = intern ("compound-text-with-extensions");
DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system,
doc: /* Coding system for the next communication with other X clients.
Usually, `selection-coding-system' is used for communicating with
-other X clients. But, if this variable is set, it is used for the
-next communication only. After the communication, this variable is
+other X clients. But, if this variable is set, it is used for the
+next communication only. After the communication, this variable is
set to nil. */);
Vnext_selection_coding_system = Qnil;
QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP);
QTEXT = intern ("TEXT"); staticpro (&QTEXT);
QCOMPOUND_TEXT = intern ("COMPOUND_TEXT"); staticpro (&QCOMPOUND_TEXT);
- QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP);
+ QUTF8_STRING = intern ("UTF8_STRING"); staticpro (&QUTF8_STRING);
QDELETE = intern ("DELETE"); staticpro (&QDELETE);
QMULTIPLE = intern ("MULTIPLE"); staticpro (&QMULTIPLE);
QINCR = intern ("INCR"); staticpro (&QINCR);
QATOM = intern ("ATOM"); staticpro (&QATOM);
QATOM_PAIR = intern ("ATOM_PAIR"); staticpro (&QATOM_PAIR);
QNULL = intern ("NULL"); staticpro (&QNULL);
+ Qcompound_text_with_extensions = intern ("compound-text-with-extensions");
+ staticpro (&Qcompound_text_with_extensions);
#ifdef CUT_BUFFER_SUPPORT
QCUT_BUFFER0 = intern ("CUT_BUFFER0"); staticpro (&QCUT_BUFFER0);
QCUT_BUFFER7 = intern ("CUT_BUFFER7"); staticpro (&QCUT_BUFFER7);
#endif
+ Qforeign_selection = intern ("foreign-selection");
+ staticpro (&Qforeign_selection);
}
+
+/* arch-tag: 7c293b0f-9918-4f69-8ac7-03e142307236
+ (do not change this comment) */