/* X Selection processing for Emacs.
- Copyright (C) 1993, 1994 Free Software Foundation.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001
+ Free Software Foundation.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
/* Rewritten by jwz */
#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"
+
+struct prop_location;
+
+static Lisp_Object x_atom_to_symbol P_ ((Display *dpy, Atom atom));
+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 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 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 struct prop_location *expect_property_change P_ ((Display *, Window,
+ Atom, int));
+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 void x_get_window_property P_ ((Display *, Window, Atom,
+ unsigned char **, int *,
+ Atom *, int *, unsigned long *, int));
+static void receive_incremental_selection P_ ((Display *, Window, Atom,
+ Lisp_Object, unsigned,
+ unsigned char **, int *,
+ Atom *, int *, unsigned long *));
+static Lisp_Object x_get_window_property_as_lisp_data P_ ((Display *,
+ Window, Atom,
+ Lisp_Object, Atom));
+static Lisp_Object selection_data_to_lisp_data P_ ((Display *, unsigned char *,
+ int, Atom, int));
+static void lisp_data_to_selection_data P_ ((Display *, Lisp_Object,
+ unsigned char **, Atom *,
+ unsigned *, int *, int *));
+static Lisp_Object clean_local_selection_data P_ ((Lisp_Object));
+static void initialize_cut_buffers P_ ((Display *, Window));
+
+
+/* Printing traces to stderr. */
+
+#ifdef TRACE_SELECTION
+#define TRACE0(fmt) \
+ fprintf (stderr, "%d: " fmt "\n", getpid ())
+#define TRACE1(fmt, a0) \
+ fprintf (stderr, "%d: " fmt "\n", getpid (), a0)
+#define TRACE2(fmt, a0, a1) \
+ fprintf (stderr, "%d: " fmt "\n", getpid (), a0, a1)
+#else
+#define TRACE0(fmt) (void) 0
+#define TRACE1(fmt, a0) (void) 0
+#define TRACE2(fmt, a0, a1) (void) 0
+#endif
-#define xfree free
#define CUT_BUFFER_SUPPORT
QTEXT, QDELETE, QMULTIPLE, QINCR, QEMACS_TMP, QTARGETS, QATOM, QNULL,
QATOM_PAIR;
+Lisp_Object QCOMPOUND_TEXT; /* This is a type of selection. */
+
#ifdef CUT_BUFFER_SUPPORT
Lisp_Object QCUT_BUFFER0, QCUT_BUFFER1, QCUT_BUFFER2, QCUT_BUFFER3,
QCUT_BUFFER4, QCUT_BUFFER5, QCUT_BUFFER6, QCUT_BUFFER7;
#endif
-Lisp_Object Vx_lost_selection_hooks;
-Lisp_Object Vx_sent_selection_hooks;
+static Lisp_Object Vx_lost_selection_hooks;
+static Lisp_Object Vx_sent_selection_hooks;
+/* 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;
/* 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
smaller than that, set this. I added this mostly for debugging the
- incremental transfer stuff, but it might improve server performance.
- */
+ incremental transfer stuff, but it might improve server performance. */
#define MAX_SELECTION_QUANTUM 0xFFFFFF
#ifdef HAVE_X11R4
#endif
/* The timestamp of the last input event Emacs received from the X server. */
-unsigned long last_event_timestamp;
+/* Defined in keyboard.c. */
+extern unsigned long last_event_timestamp;
/* This is an association list whose elements are of the form
( SELECTION-NAME SELECTION-VALUE SELECTION-TIMESTAMP FRAME)
If there is an entry in this alist, then it can be assumed that Emacs owns
that selection.
The only (eq) parts of this list that are visible from Lisp are the
- selection-values.
- */
-Lisp_Object Vselection_alist;
+ selection-values. */
+static Lisp_Object Vselection_alist;
/* 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
the given selection type. This is for Lisp-level extension of the emacs
- selection handling.
- */
-Lisp_Object Vselection_converter_alist;
+ 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.)
- */
-int x_selection_timeout;
+ we give up on it. This is in milliseconds (0 = no timeout.) */
+static int x_selection_timeout;
\f
/* Utility functions */
if (EQ (sym, QCLIPBOARD)) return dpyinfo->Xatom_CLIPBOARD;
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, 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 ();
-#if 0
- fprintf (stderr, " XInternAtom %s\n", (char *) XSYMBOL (sym)->name->data);
-#endif
+ TRACE1 (" XInternAtom %s", (char *) XSYMBOL (sym)->name->data);
BLOCK_INPUT;
val = XInternAtom (display, (char *) XSYMBOL (sym)->name->data, False);
UNBLOCK_INPUT;
and calls to intern whenever possible. */
static Lisp_Object
-x_atom_to_symbol (dpyinfo, display, atom)
- struct x_display_info *dpyinfo;
- Display *display;
+x_atom_to_symbol (dpy, atom)
+ Display *dpy;
Atom atom;
{
+ struct x_display_info *dpyinfo;
char *str;
Lisp_Object val;
- if (! atom) return Qnil;
+
+ if (! atom)
+ return Qnil;
+
switch (atom)
{
case XA_PRIMARY:
#endif
}
+ dpyinfo = x_display_info_for_display (dpy);
if (atom == dpyinfo->Xatom_CLIPBOARD)
return QCLIPBOARD;
if (atom == dpyinfo->Xatom_TIMESTAMP)
return QTIMESTAMP;
if (atom == dpyinfo->Xatom_TEXT)
return QTEXT;
+ if (atom == dpyinfo->Xatom_COMPOUND_TEXT)
+ return QCOMPOUND_TEXT;
if (atom == dpyinfo->Xatom_DELETE)
return QDELETE;
if (atom == dpyinfo->Xatom_MULTIPLE)
return QNULL;
BLOCK_INPUT;
- str = XGetAtomName (display, atom);
+ str = XGetAtomName (dpy, atom);
UNBLOCK_INPUT;
-#if 0
- fprintf (stderr, " XGetAtomName --> %s\n", str);
-#endif
+ TRACE1 ("XGetAtomName --> %s", str);
if (! str) return Qnil;
val = intern (str);
BLOCK_INPUT;
+ /* This was allocated by Xlib, so use XFree. */
XFree (str);
UNBLOCK_INPUT;
return val;
x_own_selection (selection_name, selection_value)
Lisp_Object selection_name, selection_value;
{
- Window selecting_window = FRAME_X_WINDOW (selected_frame);
- Display *display = FRAME_X_DISPLAY (selected_frame);
+ struct frame *sf = SELECTED_FRAME ();
+ Window selecting_window = FRAME_X_WINDOW (sf);
+ Display *display = FRAME_X_DISPLAY (sf);
Time time = last_event_timestamp;
Atom selection_atom;
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame);
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (sf);
+ int count;
CHECK_SYMBOL (selection_name, 0);
selection_atom = symbol_to_x_atom (dpyinfo, display, selection_name);
BLOCK_INPUT;
- x_catch_errors (display);
+ count = x_catch_errors (display);
XSetSelectionOwner (display, selection_atom, selecting_window, time);
x_check_errors (display, "Can't set selection: %s");
- x_uncatch_errors (display);
+ x_uncatch_errors (display, count);
UNBLOCK_INPUT;
/* Now update the local cache */
selection_data = Fcons (selection_name,
Fcons (selection_value,
Fcons (selection_time,
- Fcons (Fselected_frame (), Qnil))));
+ Fcons (selected_frame, Qnil))));
prev_value = assq_no_quit (selection_name, Vselection_alist);
Vselection_alist = Fcons (selection_data, Vselection_alist);
{
Lisp_Object rest; /* we know it's not the CAR, so it's easy. */
for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
- if (EQ (prev_value, Fcar (XCONS (rest)->cdr)))
+ if (EQ (prev_value, Fcar (XCDR (rest))))
{
- XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr);
+ XSETCDR (rest, Fcdr (XCDR (rest)));
break;
}
}
if (EQ (target_type, QTIMESTAMP))
{
handler_fn = Qnil;
- value = XCONS (XCONS (XCONS (local_value)->cdr)->cdr)->car;
+ value = XCAR (XCDR (XCDR (local_value)));
}
#if 0
else if (EQ (target_type, QDELETE))
handler_fn = Qnil;
Fx_disown_selection_internal
(selection_symbol,
- XCONS (XCONS (XCONS (local_value)->cdr)->cdr)->car);
+ XCAR (XCDR (XCDR (local_value))));
value = QNULL;
}
#endif
#if 0 /* #### MULTIPLE doesn't work yet */
else if (CONSP (target_type)
- && XCONS (target_type)->car == QMULTIPLE)
+ && XCAR (target_type) == QMULTIPLE)
{
Lisp_Object pairs;
int size;
int i;
- pairs = XCONS (target_type)->cdr;
+ pairs = XCDR (target_type);
size = XVECTOR (pairs)->size;
/* If the target is MULTIPLE, then target_type looks like
(MULTIPLE . [[SELECTION1 TARGET1] [SELECTION2 TARGET2] ... ])
if (!NILP (handler_fn))
value = call3 (handler_fn,
selection_symbol, target_type,
- XCONS (XCONS (local_value)->cdr)->car);
+ XCAR (XCDR (local_value)));
else
value = Qnil;
unbind_to (count, Qnil);
check = value;
if (CONSP (value)
- && SYMBOLP (XCONS (value)->car))
- type = XCONS (value)->car,
- check = XCONS (value)->cdr;
+ && SYMBOLP (XCAR (value)))
+ type = XCAR (value),
+ check = XCDR (value);
if (STRINGP (check)
|| VECTORP (check)
return value;
/* Check for a value that cons_to_long could handle. */
else if (CONSP (check)
- && INTEGERP (XCONS (check)->car)
- && (INTEGERP (XCONS (check)->cdr)
+ && INTEGERP (XCAR (check))
+ && (INTEGERP (XCDR (check))
||
- (CONSP (XCONS (check)->cdr)
- && INTEGERP (XCONS (XCONS (check)->cdr)->car)
- && NILP (XCONS (XCONS (check)->cdr)->cdr))))
+ (CONSP (XCDR (check))
+ && INTEGERP (XCAR (XCDR (check)))
+ && NILP (XCDR (XCDR (check))))))
return value;
else
return
struct input_event *event;
{
XSelectionEvent reply;
+ int count;
+
reply.type = SelectionNotify;
reply.display = SELECTION_EVENT_DISPLAY (event);
reply.requestor = SELECTION_EVENT_REQUESTOR (event);
reply.target = SELECTION_EVENT_TARGET (event);
reply.property = None;
+ /* The reason for the error may be that the receiver has
+ died in the meantime. Handle that case. */
BLOCK_INPUT;
- XSendEvent (reply.display, reply.requestor, False, 0L,
- (XEvent *) &reply);
+ count = x_catch_errors (reply.display);
+ XSendEvent (reply.display, reply.requestor, False, 0L, (XEvent *) &reply);
XFlush (reply.display);
+ x_uncatch_errors (reply.display, count);
UNBLOCK_INPUT;
}
It is set to zero when the request is fully processed. */
static struct input_event *x_selection_current_request;
+/* Display info in x_selection_request. */
+
+static struct x_display_info *selection_request_dpyinfo;
+
/* Used as an unwind-protect clause so that, if a selection-converter signals
- an error, we tell the requestor that we were unable to do what they wanted
+ an error, we tell the requester that we were unable to do what they wanted
before we throw to top-level or go into the debugger or whatever. */
static Lisp_Object
x_selection_request_lisp_error (ignore)
Lisp_Object ignore;
{
- if (x_selection_current_request != 0)
+ if (x_selection_current_request != 0
+ && selection_request_dpyinfo->display)
x_decline_selection_request (x_selection_current_request);
return Qnil;
}
if (! NILP (frame))
x_stop_queuing_selection_requests (FRAME_X_DISPLAY (f));
+ return Qnil;
}
/* Return some frame whose display info is DPYINFO.
int format_bytes = format/8;
int max_bytes = SELECTION_QUANTUM (display);
struct x_display_info *dpyinfo = x_display_info_for_display (display);
+ int count;
if (max_bytes > MAX_SELECTION_QUANTUM)
max_bytes = MAX_SELECTION_QUANTUM;
/* #### XChangeProperty can generate BadAlloc, and we must handle it! */
BLOCK_INPUT;
- x_catch_errors (display);
+ count = x_catch_errors (display);
/* Store the data on the requested property.
If the selection is large, only store the first N bytes of it.
if (bytes_remaining <= max_bytes)
{
/* Send all the data at once, with minimal handshaking. */
-#if 0
- fprintf (stderr,"\nStoring all %d\n", bytes_remaining);
-#endif
+ TRACE1 ("Sending all %d bytes", bytes_remaining);
XChangeProperty (display, window, reply.property, type, format,
PropModeReplace, data, size);
/* At this point, the selection was successfully stored; ack it. */
/* Send an INCR selection. */
struct prop_location *wait_object;
int had_errors;
- int count = specpdl_ptr - specpdl;
Lisp_Object frame;
frame = some_frame_on_display (dpyinfo);
}
if (x_window_to_frame (dpyinfo, window)) /* #### debug */
- error ("attempt to transfer an INCR to ourself!");
-#if 0
- fprintf (stderr, "\nINCR %d\n", bytes_remaining);
-#endif
+ 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,
PropertyDelete);
+ 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);
XSelectInput (display, window, PropertyChangeMask);
+
/* Tell 'em the INCR data is there... */
+ TRACE0 ("Send SelectionNotify event");
XSendEvent (display, window, False, 0L, (XEvent *) &reply);
XFlush (display);
had_errors = x_had_errors_p (display);
UNBLOCK_INPUT;
- /* First, wait for the requestor to ack by deleting the property.
+ /* First, wait for the requester to ack by deleting the property.
This can run random lisp code (process handlers) or signal. */
if (! had_errors)
- wait_for_property_change (wait_object);
+ {
+ TRACE1 ("Waiting for ACK (deletion of %s)",
+ XGetAtomName (display, reply.property));
+ wait_for_property_change (wait_object);
+ }
+ TRACE0 ("Got ACK");
while (bytes_remaining)
{
int i = ((bytes_remaining < max_bytes)
wait_object
= expect_property_change (display, window, reply.property,
PropertyDelete);
-#if 0
- fprintf (stderr," INCR adding %d\n", i);
-#endif
+
+ 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);
if (had_errors)
break;
- /* Now wait for the requestor to ack this chunk by deleting the
- property. This can run random lisp code or signal.
- */
+ /* Now wait for the requester to ack this chunk by deleting the
+ property. This can run random lisp code or signal. */
+ TRACE1 ("Waiting for increment ACK (deletion of %s)",
+ XGetAtomName (display, reply.property));
wait_for_property_change (wait_object);
}
- /* Now write a zero-length chunk to the property to tell the requestor
- that we're done. */
-#if 0
- fprintf (stderr," INCR done\n");
-#endif
+
+ /* Now write a zero-length chunk to the property to tell the
+ requester that we're done. */
BLOCK_INPUT;
if (! waiting_for_other_props_on_window (display, window))
XSelectInput (display, window, 0L);
+ TRACE1 ("Set %s to a 0-length chunk to indicate EOF",
+ XGetAtomName (display, reply.property));
XChangeProperty (display, window, reply.property, type, format,
PropModeReplace, data, 0);
-
- unbind_to (count, Qnil);
+ TRACE0 ("Done sending incrementally");
}
+ /* 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);
+ x_uncatch_errors (display, count);
UNBLOCK_INPUT;
}
\f
GCPRO3 (local_selection_data, converted_selection, target_symbol);
- selection_symbol = x_atom_to_symbol (dpyinfo,
- SELECTION_EVENT_DISPLAY (event),
+ selection_symbol = x_atom_to_symbol (SELECTION_EVENT_DISPLAY (event),
SELECTION_EVENT_SELECTION (event));
local_selection_data = assq_no_quit (selection_symbol, Vselection_alist);
}
local_selection_time = (Time)
- cons_to_long (XCONS (XCONS (XCONS (local_selection_data)->cdr)->cdr)->car);
+ cons_to_long (XCAR (XCDR (XCDR (local_selection_data))));
if (SELECTION_EVENT_TIME (event) != CurrentTime
&& local_selection_time > SELECTION_EVENT_TIME (event))
goto DONE;
}
- count = specpdl_ptr - specpdl;
x_selection_current_request = event;
+ count = BINDING_STACK_SIZE ();
+ selection_request_dpyinfo = dpyinfo;
record_unwind_protect (x_selection_request_lisp_error, Qnil);
- target_symbol = x_atom_to_symbol (dpyinfo, SELECTION_EVENT_DISPLAY (event),
+ target_symbol = x_atom_to_symbol (SELECTION_EVENT_DISPLAY (event),
SELECTION_EVENT_TARGET (event));
#if 0 /* #### MULTIPLE doesn't work yet */
/* Indicate we have successfully processed this event. */
x_selection_current_request = 0;
+ /* Use xfree, not XFree, because lisp_data_to_selection_data
+ calls xmalloc itself. */
if (!nofree)
xfree (data);
}
}
}
\f
-/* Handle a SelectionClear event EVENT, which indicates that some other
+/* 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. */
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;
- selection_symbol = x_atom_to_symbol (dpyinfo, display, selection);
+ /* If the new selection owner is also Emacs,
+ don't clear the new selection. */
+ BLOCK_INPUT;
+ /* Check each display on the same terminal,
+ to see if this Emacs job now owns the selection
+ through that display. */
+ for (t_dpyinfo = x_display_list; t_dpyinfo; t_dpyinfo = t_dpyinfo->next)
+ if (t_dpyinfo->kboard == dpyinfo->kboard)
+ {
+ Window owner_window
+ = XGetSelectionOwner (t_dpyinfo->display, selection);
+ if (x_window_to_frame (t_dpyinfo, owner_window) != 0)
+ {
+ UNBLOCK_INPUT;
+ return;
+ }
+ }
+ UNBLOCK_INPUT;
+
+ selection_symbol = x_atom_to_symbol (display, selection);
local_selection_data = assq_no_quit (selection_symbol, Vselection_alist);
if (NILP (local_selection_data)) return;
local_selection_time = (Time)
- cons_to_long (XCONS (XCONS (XCONS (local_selection_data)->cdr)->cdr)->car);
+ cons_to_long (XCAR (XCDR (XCDR (local_selection_data))));
/* This SelectionClear is for a selection that we no longer own, so we can
disregard it. (That is, we have reasserted the selection since this
{
Lisp_Object rest;
for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
- if (EQ (local_selection_data, Fcar (XCONS (rest)->cdr)))
+ if (EQ (local_selection_data, Fcar (XCDR (rest))))
{
- XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr);
+ XSETCDR (rest, Fcdr (XCDR (rest)));
break;
}
}
for (; CONSP (rest); rest = Fcdr (rest))
call1 (Fcar (rest), selection_symbol);
prepare_menu_bars ();
- redisplay_preserve_echo_area ();
+ redisplay_preserve_echo_area (20);
}
}
}
/* Otherwise, we're really honest and truly being told to drop it.
Don't use Fdelq as that may QUIT;. */
+ /* Delete elements from the beginning of Vselection_alist. */
while (!NILP (Vselection_alist)
&& EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (Vselection_alist)))))))
{
Lisp_Object hooks, selection_symbol;
hooks = Vx_lost_selection_hooks;
- selection_symbol = Fcar (Vselection_alist);
+ selection_symbol = Fcar (Fcar (Vselection_alist));
if (!EQ (hooks, Qunbound))
{
for (; CONSP (hooks); hooks = Fcdr (hooks))
call1 (Fcar (hooks), selection_symbol);
- redisplay_preserve_echo_area ();
+#if 0 /* This can crash when deleting a frame
+ from x_connection_closed. Anyway, it seems unnecessary;
+ something else should cause a redisplay. */
+ redisplay_preserve_echo_area (21);
+#endif
}
Vselection_alist = Fcdr (Vselection_alist);
}
+ /* Delete elements after the beginning of Vselection_alist. */
for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
- if (EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (XCONS (rest)->cdr)))))))
+ if (EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (XCDR (rest))))))))
{
/* Let random Lisp code notice that the selection has been stolen. */
Lisp_Object hooks, selection_symbol;
hooks = Vx_lost_selection_hooks;
- selection_symbol = Fcar (XCONS (rest)->cdr);
+ selection_symbol = Fcar (Fcar (XCDR (rest)));
if (!EQ (hooks, Qunbound))
{
for (; CONSP (hooks); hooks = Fcdr (hooks))
call1 (Fcar (hooks), selection_symbol);
- redisplay_preserve_echo_area ();
+#if 0 /* See above */
+ redisplay_preserve_echo_area (22);
+#endif
}
- XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr);
+ XSETCDR (rest, Fcdr (XCDR (rest)));
break;
}
}
expect_property_change (display, window, property, state)
Display *display;
Window window;
- Lisp_Object property;
+ Atom property;
int state;
{
- struct prop_location *pl
- = (struct prop_location *) xmalloc (sizeof (struct prop_location));
+ struct prop_location *pl = (struct prop_location *) xmalloc (sizeof *pl);
pl->identifier = ++prop_location_identifier;
pl->display = display;
pl->window = window;
Lisp_Object identifierval;
{
unexpect_property_change ((struct prop_location *)
- (XFASTINT (XCONS (identifierval)->car) << 16
- | XFASTINT (XCONS (identifierval)->cdr)));
+ (XFASTINT (XCAR (identifierval)) << 16
+ | XFASTINT (XCDR (identifierval))));
+ return Qnil;
}
/* Actually wait for a property change.
Lisp_Object tem;
tem = Fcons (Qnil, Qnil);
- XSETFASTINT (XCONS (tem)->car, (EMACS_UINT)location >> 16);
- XSETFASTINT (XCONS (tem)->cdr, (EMACS_UINT)location & 0xffff);
+ XSETCARFASTINT (tem, (EMACS_UINT)location >> 16);
+ XSETCDRFASTINT (tem, (EMACS_UINT)location & 0xffff);
/* Make sure to do unexpect_property_change if we quit or err. */
record_unwind_protect (wait_for_property_change_unwind, tem);
- XCONS (property_change_reply)->car = Qnil;
+ XSETCAR (property_change_reply, Qnil);
property_change_reply_object = location;
/* If the event we are waiting for arrives beyond here, it will set
{
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);
- if (NILP (XCONS (property_change_reply)->car))
- error ("timed out waiting for property-notify event");
+ if (NILP (XCAR (property_change_reply)))
+ {
+ TRACE0 (" Timed out");
+ error ("Timed out waiting for property-notify event");
+ }
}
unbind_to (count, Qnil);
XPropertyEvent *event;
{
struct prop_location *prev = 0, *rest = property_change_wait_list;
+
while (rest)
{
if (rest->property == event->atom
&& rest->display == event->display
&& rest->desired_state == event->state)
{
-#if 0
- fprintf (stderr, "Saw expected prop-%s on %s\n",
- (event->state == PropertyDelete ? "delete" : "change"),
- (char *) XSYMBOL (x_atom_to_symbol (dpyinfo, event->display,
- event->atom))
- ->name->data);
-#endif
+ TRACE2 ("Expected %s of property %s",
+ (event->state == PropertyDelete ? "deletion" : "change"),
+ XGetAtomName (event->display, event->atom));
rest->arrived = 1;
/* If this is the one wait_for_property_change is waiting for,
tell it to wake up. */
if (rest == property_change_reply_object)
- XCONS (property_change_reply)->car = Qt;
+ XSETCAR (property_change_reply, Qt);
if (prev)
prev->next = rest->next;
xfree (rest);
return;
}
+
prev = rest;
rest = rest->next;
}
-#if 0
- fprintf (stderr, "Saw UNexpected prop-%s on %s\n",
- (event->state == PropertyDelete ? "delete" : "change"),
- (char *) XSYMBOL (x_atom_to_symbol (dpyinfo,
- event->display, event->atom))
- ->name->data);
-#endif
}
int i;
int size;
if (CONSP (obj))
- return Fcons (XCONS (obj)->car, copy_multiple_data (XCONS (obj)->cdr));
+ return Fcons (XCAR (obj), copy_multiple_data (XCDR (obj)));
CHECK_VECTOR (obj, 0);
vec = Fmake_vector (size = XVECTOR (obj)->size, Qnil);
x_get_foreign_selection (selection_symbol, target_type)
Lisp_Object selection_symbol, target_type;
{
- Window requestor_window = FRAME_X_WINDOW (selected_frame);
- Display *display = FRAME_X_DISPLAY (selected_frame);
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame);
+ struct frame *sf = SELECTED_FRAME ();
+ Window requestor_window = FRAME_X_WINDOW (sf);
+ Display *display = FRAME_X_DISPLAY (sf);
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (sf);
Time requestor_time = last_event_timestamp;
Atom target_property = dpyinfo->Xatom_EMACS_TMP;
Atom selection_atom = symbol_to_x_atom (dpyinfo, display, selection_symbol);
Atom type_atom;
int secs, usecs;
- int count = specpdl_ptr - specpdl;
+ int count;
Lisp_Object frame;
if (CONSP (target_type))
- type_atom = symbol_to_x_atom (dpyinfo, display, XCONS (target_type)->car);
+ type_atom = symbol_to_x_atom (dpyinfo, display, XCAR (target_type));
else
type_atom = symbol_to_x_atom (dpyinfo, display, target_type);
BLOCK_INPUT;
- x_catch_errors (display);
+
+ count = x_catch_errors (display);
+
+ TRACE2 ("Get selection %s, type %s",
+ XGetAtomName (display, type_atom),
+ XGetAtomName (display, target_property));
+
XConvertSelection (display, selection_atom, type_atom, target_property,
requestor_window, requestor_time);
XFlush (display);
/* Prepare to block until the reply has been read. */
reading_selection_window = requestor_window;
reading_which_selection = selection_atom;
- XCONS (reading_selection_reply)->car = Qnil;
+ XSETCAR (reading_selection_reply, Qnil);
frame = some_frame_on_display (dpyinfo);
/* This allows quits. Also, don't wait forever. */
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);
+ TRACE1 (" Got event = %d", !NILP (XCAR (reading_selection_reply)));
BLOCK_INPUT;
x_check_errors (display, "Cannot get selection: %s");
- x_uncatch_errors (display);
- unbind_to (count, Qnil);
+ x_uncatch_errors (display, count);
UNBLOCK_INPUT;
- if (NILP (XCONS (reading_selection_reply)->car))
- error ("timed out waiting for reply from selection owner");
+ 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);
/* Otherwise, the selection is waiting for us on the requested property. */
return
\f
/* Subroutines of x_get_window_property_as_lisp_data */
+/* Use xfree, not XFree, to free the data obtained with this function. */
+
static void
x_get_window_property (display, window, property, data_ret, bytes_ret,
actual_type_ret, actual_format_ret, actual_size_ret,
unsigned char *tmp_data = 0;
int result;
int buffer_size = SELECTION_QUANTUM (display);
- if (buffer_size > MAX_SELECTION_QUANTUM) buffer_size = MAX_SELECTION_QUANTUM;
+
+ 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,
- 0, 0, False, AnyPropertyType,
+ 0L, 0L, False, AnyPropertyType,
actual_type_ret, actual_format_ret,
actual_size_ret,
&bytes_remaining, &tmp_data);
*bytes_ret = 0;
return;
}
- xfree ((char *) tmp_data);
+
+ /* This was allocated by Xlib, so use XFree. */
+ XFree ((char *) tmp_data);
if (*actual_type_ret == None || *actual_format_ret == 0)
{
total_size = bytes_remaining + 1;
*data_ret = (unsigned char *) xmalloc (total_size);
- /* Now read, until weve gotten it all. */
+ /* Now read, until we've gotten it all. */
while (bytes_remaining)
{
-#if 0
+#ifdef TRACE_SELECTION
int last = bytes_remaining;
#endif
result
= XGetWindowProperty (display, window, property,
- offset/4, buffer_size/4,
+ (long)offset/4, (long)buffer_size/4,
False,
AnyPropertyType,
actual_type_ret, actual_format_ret,
actual_size_ret, &bytes_remaining, &tmp_data);
-#if 0
- fprintf (stderr, "<< read %d\n", last-bytes_remaining);
-#endif
+
+ TRACE2 ("Read %ld bytes from property %s",
+ last - bytes_remaining,
+ XGetAtomName (display, property));
+
/* If this doesn't return Success at this point, it means that
some clod deleted the selection while we were in the midst of
- reading it. Deal with that, I guess....
- */
- if (result != Success) break;
+ 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;
- xfree ((char *) tmp_data);
+
+ /* This was allocated by Xlib, so use XFree. */
+ XFree ((char *) tmp_data);
}
XFlush (display);
*bytes_ret = offset;
}
\f
+/* Use xfree, not XFree, to free the data obtained with this function. */
+
static void
receive_incremental_selection (display, window, property, target_type,
min_size_bytes, data_ret, size_bytes_ret,
struct prop_location *wait_object;
*size_bytes_ret = min_size_bytes;
*data_ret = (unsigned char *) xmalloc (*size_bytes_ret);
-#if 0
- fprintf (stderr, "\nread INCR %d\n", min_size_bytes);
-#endif
+
+ TRACE1 ("Read %d bytes incrementally", min_size_bytes);
/* At this point, we have read an INCR property.
Delete the property to ack it.
*/
BLOCK_INPUT;
XSelectInput (display, window, STANDARD_EVENT_SET | PropertyChangeMask);
+ TRACE1 (" Delete property %s",
+ XSYMBOL (x_atom_to_symbol (display, property))->name->data);
XDeleteProperty (display, window, property);
+ TRACE1 (" Expect new value of property %s",
+ XSYMBOL (x_atom_to_symbol (display, property))->name->data);
wait_object = expect_property_change (display, window, property,
PropertyNewValue);
XFlush (display);
{
unsigned char *tmp_data;
int tmp_size_bytes;
+
+ TRACE0 (" Wait for property change");
wait_for_property_change (wait_object);
+
/* expect it again immediately, because x_get_window_property may
- .. no it wont, I dont get it.
- .. Ok, I get it now, the Xt code that implements INCR is broken.
- */
+ .. no it won't, I don't get it.
+ .. Ok, I get it now, the Xt code that implements INCR is broken. */
+ TRACE0 (" Get property value");
x_get_window_property (display, window, property,
&tmp_data, &tmp_size_bytes,
type_ret, format_ret, size_ret, 1);
+ TRACE1 (" Read increment of %d bytes", tmp_size_bytes);
+
if (tmp_size_bytes == 0) /* we're done */
{
-#if 0
- fprintf (stderr, " read INCR done\n");
-#endif
+ TRACE0 ("Done reading incrementally");
+
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);
break;
}
BLOCK_INPUT;
+ TRACE1 (" ACK by deleting property %s",
+ XGetAtomName (display, property));
XDeleteProperty (display, window, property);
wait_object = expect_property_change (display, window, property,
PropertyNewValue);
XFlush (display);
UNBLOCK_INPUT;
-#if 0
- fprintf (stderr, " read INCR %d\n", tmp_size_bytes);
-#endif
if (*size_bytes_ret < offset + tmp_size_bytes)
{
-#if 0
- fprintf (stderr, " read INCR realloc %d -> %d\n",
- *size_bytes_ret, offset + tmp_size_bytes);
-#endif
*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);
}
}
+
\f
/* Once a requested selection is "ready" (we got a SelectionNotify event),
fetch value from property PROPERTY of X window WINDOW on display DISPLAY.
Lisp_Object val;
struct x_display_info *dpyinfo = x_display_info_for_display (display);
+ TRACE0 ("Reading selection data");
+
x_get_window_property (display, window, property, &data, &bytes,
&actual_type, &actual_format, &actual_size, 1);
if (! data)
there_is_a_selection_owner
= XGetSelectionOwner (display, selection_atom);
UNBLOCK_INPUT;
- while (1) /* Note debugger can no longer return, so this is obsolete */
- Fsignal (Qerror,
- there_is_a_selection_owner ?
- Fcons (build_string ("selection owner couldn't convert"),
+ Fsignal (Qerror,
+ there_is_a_selection_owner
+ ? Fcons (build_string ("selection owner couldn't convert"),
actual_type
? Fcons (target_type,
- Fcons (x_atom_to_symbol (dpyinfo, display,
+ Fcons (x_atom_to_symbol (display,
actual_type),
Qnil))
: Fcons (target_type, Qnil))
- : Fcons (build_string ("no selection"),
- Fcons (x_atom_to_symbol (dpyinfo, display,
- selection_atom),
- Qnil)));
+ : Fcons (build_string ("no selection"),
+ Fcons (x_atom_to_symbol (display,
+ selection_atom),
+ Qnil)));
}
if (actual_type == dpyinfo->Xatom_INCR)
unsigned int min_size_bytes = * ((unsigned int *) data);
BLOCK_INPUT;
- XFree ((char *) data);
+ /* Use xfree, not XFree, because x_get_window_property
+ calls xmalloc itself. */
+ xfree ((char *) data);
UNBLOCK_INPUT;
receive_incremental_selection (display, window, property, target_type,
min_size_bytes, &data, &bytes,
}
BLOCK_INPUT;
+ TRACE1 (" Delete property %s", XGetAtomName (display, property));
XDeleteProperty (display, window, property);
XFlush (display);
UNBLOCK_INPUT;
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);
return val;
}
/* Convert any 8-bit data to a string, for compactness. */
else if (format == 8)
- return make_string ((char *) data, size);
+ {
+ 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;
+ }
+ 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);
+ return str;
+ }
/* Convert a single atom to a Lisp_Symbol. Convert a set of atoms to
a vector of symbols.
*/
{
int i;
if (size == sizeof (Atom))
- return x_atom_to_symbol (dpyinfo, display, *((Atom *) data));
+ return x_atom_to_symbol (display, *((Atom *) data));
else
{
- Lisp_Object v = Fmake_vector (size / sizeof (Atom), 0);
+ Lisp_Object v = Fmake_vector (make_number (size / sizeof (Atom)),
+ make_number (0));
for (i = 0; i < size / sizeof (Atom); i++)
- Faset (v, i, x_atom_to_symbol (dpyinfo, display,
- ((Atom *) data) [i]));
+ Faset (v, make_number (i),
+ x_atom_to_symbol (display, ((Atom *) data) [i]));
return v;
}
}
else if (format == 16)
{
int i;
- Lisp_Object v = Fmake_vector (size / 4, 0);
- for (i = 0; i < size / 4; i++)
+ Lisp_Object v;
+ v = Fmake_vector (make_number (size / 2), make_number (0));
+ for (i = 0; i < size / 2; i++)
{
int j = (int) ((unsigned short *) data) [i];
- Faset (v, i, make_number (j));
+ Faset (v, make_number (i), make_number (j));
}
return v;
}
else
{
int i;
- Lisp_Object v = Fmake_vector (size / 4, 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];
- Faset (v, i, long_to_cons (j));
+ Faset (v, make_number (i), long_to_cons (j));
}
return v;
}
}
+/* Use xfree, not XFree, to free the data obtained with this function. */
+
static void
lisp_data_to_selection_data (display, obj,
data_ret, type_ret, size_ret,
*nofree_ret = 0;
- if (CONSP (obj) && SYMBOLP (XCONS (obj)->car))
+ if (CONSP (obj) && SYMBOLP (XCAR (obj)))
{
- type = XCONS (obj)->car;
- obj = XCONS (obj)->cdr;
- if (CONSP (obj) && NILP (XCONS (obj)->cdr))
- obj = XCONS (obj)->car;
+ type = XCAR (obj);
+ obj = XCDR (obj);
+ if (CONSP (obj) && NILP (XCDR (obj)))
+ obj = XCAR (obj);
}
if (EQ (obj, QNULL) || (EQ (type, QNULL)))
}
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;
- *size_ret = XSTRING (obj)->size;
- *data_ret = XSTRING (obj)->data;
- *nofree_ret = 1;
- if (NILP (type)) type = QSTRING;
+ *data_ret = x_encode_text (obj, Vnext_selection_coding_system,
+ (int *) size_ret, &stringp);
+ *nofree_ret = (*data_ret == XSTRING (obj)->data);
+ 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;
}
else if (SYMBOLP (obj))
{
if (NILP (type)) type = QINTEGER;
}
else if (INTEGERP (obj)
- || (CONSP (obj) && INTEGERP (XCONS (obj)->car)
- && (INTEGERP (XCONS (obj)->cdr)
- || (CONSP (XCONS (obj)->cdr)
- && INTEGERP (XCONS (XCONS (obj)->cdr)->car)))))
+ || (CONSP (obj) && INTEGERP (XCAR (obj))
+ && (INTEGERP (XCDR (obj))
+ || (CONSP (XCDR (obj))
+ && INTEGERP (XCAR (XCDR (obj)))))))
{
*format_ret = 32;
*size_ret = 1;
Lisp_Object obj;
{
if (CONSP (obj)
- && INTEGERP (XCONS (obj)->car)
- && CONSP (XCONS (obj)->cdr)
- && INTEGERP (XCONS (XCONS (obj)->cdr)->car)
- && NILP (XCONS (XCONS (obj)->cdr)->cdr))
- obj = Fcons (XCONS (obj)->car, XCONS (obj)->cdr);
+ && INTEGERP (XCAR (obj))
+ && CONSP (XCDR (obj))
+ && INTEGERP (XCAR (XCDR (obj)))
+ && NILP (XCDR (XCDR (obj))))
+ obj = Fcons (XCAR (obj), XCDR (obj));
if (CONSP (obj)
- && INTEGERP (XCONS (obj)->car)
- && INTEGERP (XCONS (obj)->cdr))
+ && INTEGERP (XCAR (obj))
+ && INTEGERP (XCDR (obj)))
{
- if (XINT (XCONS (obj)->car) == 0)
- return XCONS (obj)->cdr;
- if (XINT (XCONS (obj)->car) == -1)
- return make_number (- XINT (XCONS (obj)->cdr));
+ if (XINT (XCAR (obj)) == 0)
+ return XCDR (obj);
+ if (XINT (XCAR (obj)) == -1)
+ return make_number (- XINT (XCDR (obj)));
}
if (VECTORP (obj))
{
Lisp_Object copy;
if (size == 1)
return clean_local_selection_data (XVECTOR (obj)->contents [0]);
- copy = Fmake_vector (size, Qnil);
+ copy = Fmake_vector (make_number (size), Qnil);
for (i = 0; i < size; i++)
XVECTOR (copy)->contents [i]
= clean_local_selection_data (XVECTOR (obj)->contents [i]);
}
\f
/* Called from XTread_socket to handle SelectionNotify events.
- If it's the selection we are waiting for, stop waiting. */
+ If it's the selection we are waiting for, stop waiting
+ by setting the car of reading_selection_reply to non-nil.
+ We store t there if the reply is successful, lambda if not. */
void
x_handle_selection_notify (event)
if (event->selection != reading_which_selection)
return;
- XCONS (reading_selection_reply)->car = Qt;
+ TRACE0 ("Received SelectionNotify");
+ XSETCAR (reading_selection_reply,
+ (event->property != 0 ? Qt : Qlambda));
}
\f
-DEFUN ("x-own-selection-internal",
- Fx_own_selection_internal, Sx_own_selection_internal,
- 2, 2, 0,
- "Assert an X selection of the given TYPE with the given VALUE.\n\
-TYPE is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\
-\(Those are literal upper-case symbol names, since that's what X expects.)\n\
-VALUE is typically a string, or a cons of two markers, but may be\n\
-anything that the functions on `selection-converter-alist' know about.")
- (selection_name, selection_value)
+DEFUN ("x-own-selection-internal", Fx_own_selection_internal,
+ Sx_own_selection_internal, 2, 2, 0,
+ doc: /* Assert an X selection of the given TYPE with the given VALUE.
+TYPE is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.
+\(Those are literal upper-case symbol names, since that's what X expects.)
+VALUE is typically a string, or a cons of two markers, but may be
+anything that the functions on `selection-converter-alist' know about. */)
+ (selection_name, selection_value)
Lisp_Object selection_name, selection_value;
{
check_x ();
CHECK_SYMBOL (selection_name, 0);
- if (NILP (selection_value)) error ("selection-value may not be nil.");
+ if (NILP (selection_value)) error ("selection-value may not be nil");
x_own_selection (selection_name, selection_value);
return selection_value;
}
simply return our selection value. If we are not the owner, this
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,
- "Return text selected from some X window.\n\
-SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\
-\(Those are literal upper-case symbol names, since that's what X expects.)\n\
-TYPE is the type of data desired, typically `STRING'.")
- (selection_symbol, target_type)
+DEFUN ("x-get-selection-internal", Fx_get_selection_internal,
+ Sx_get_selection_internal, 2, 2, 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;
{
Lisp_Object val = Qnil;
#if 0 /* #### MULTIPLE doesn't work yet */
if (CONSP (target_type)
- && XCONS (target_type)->car == QMULTIPLE)
+ && XCAR (target_type) == QMULTIPLE)
{
- CHECK_VECTOR (XCONS (target_type)->cdr, 0);
+ CHECK_VECTOR (XCDR (target_type), 0);
/* So we don't destructively modify this... */
target_type = copy_multiple_data (target_type);
}
}
if (CONSP (val)
- && SYMBOLP (XCONS (val)->car))
+ && SYMBOLP (XCAR (val)))
{
- val = XCONS (val)->cdr;
- if (CONSP (val) && NILP (XCONS (val)->cdr))
- val = XCONS (val)->car;
+ val = XCDR (val);
+ if (CONSP (val) && NILP (XCDR (val)))
+ val = XCAR (val);
}
val = clean_local_selection_data (val);
DONE:
return val;
}
-DEFUN ("x-disown-selection-internal",
- Fx_disown_selection_internal, Sx_disown_selection_internal, 1, 2, 0,
- "If we own the selection SELECTION, disown it.\n\
-Disowning it means there is no such selection.")
- (selection, time)
+DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal,
+ Sx_disown_selection_internal, 1, 2, 0,
+ doc: /* If we own the selection SELECTION, disown it.
+Disowning it means there is no such selection. */)
+ (selection, time)
Lisp_Object selection;
Lisp_Object time;
{
Time timestamp;
Atom selection_atom;
- XSelectionClearEvent event;
+ struct selection_input_event event;
Display *display;
struct x_display_info *dpyinfo;
+ struct frame *sf = SELECTED_FRAME ();
check_x ();
- display = FRAME_X_DISPLAY (selected_frame);
- dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame);
+ display = FRAME_X_DISPLAY (sf);
+ dpyinfo = FRAME_X_DISPLAY_INFO (sf);
CHECK_SYMBOL (selection, 0);
if (NILP (time))
timestamp = last_event_timestamp;
SELECTION_EVENT_DISPLAY (&event) = display;
SELECTION_EVENT_SELECTION (&event) = selection_atom;
SELECTION_EVENT_TIME (&event) = timestamp;
- x_handle_selection_clear (&event);
+ x_handle_selection_clear ((struct input_event *) &event);
return Qt;
}
Lisp_Object tail;
struct buffer *buf = XBUFFER (buffer);
- for (tail = Vselection_alist; CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vselection_alist; CONSP (tail); tail = XCDR (tail))
{
Lisp_Object elt, value;
- elt = XCONS (tail)->car;
- value = XCONS (elt)->cdr;
- if (CONSP (value) && MARKERP (XCONS (value)->car)
- && XMARKER (XCONS (value)->car)->buffer == buf)
- Fx_disown_selection_internal (XCONS (elt)->car, Qnil);
+ elt = XCAR (tail);
+ value = XCDR (elt);
+ if (CONSP (value) && MARKERP (XCAR (value))
+ && XMARKER (XCAR (value))->buffer == buf)
+ Fx_disown_selection_internal (XCAR (elt), Qnil);
}
}
DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p,
- 0, 1, 0,
- "Whether the current Emacs process owns the given X Selection.\n\
-The arg should be the name of the selection in question, typically one of\n\
-the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\
-\(Those are literal upper-case symbol names, since that's what X expects.)\n\
-For convenience, the symbol nil is the same as `PRIMARY',\n\
-and t is the same as `SECONDARY'.)")
- (selection)
+ 0, 1, 0,
+ doc: /* Whether the current Emacs process owns the given X Selection.
+The arg should be the name of the selection in question, typically one of
+the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.
+\(Those are literal upper-case symbol names, since that's what X expects.)
+For convenience, the symbol nil is the same as `PRIMARY',
+and t is the same as `SECONDARY'. */)
+ (selection)
Lisp_Object selection;
{
check_x ();
}
DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p,
- 0, 1, 0,
- "Whether there is an owner for the given X Selection.\n\
-The arg should be the name of the selection in question, typically one of\n\
-the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\
-\(Those are literal upper-case symbol names, since that's what X expects.)\n\
-For convenience, the symbol nil is the same as `PRIMARY',\n\
-and t is the same as `SECONDARY'.)")
- (selection)
+ 0, 1, 0,
+ doc: /* Whether there is an owner for the given X Selection.
+The arg should be the name of the selection in question, typically one of
+the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.
+\(Those are literal upper-case symbol names, since that's what X expects.)
+For convenience, the symbol nil is the same as `PRIMARY',
+and t is the same as `SECONDARY'. */)
+ (selection)
Lisp_Object selection;
{
Window owner;
Atom atom;
Display *dpy;
+ struct frame *sf = SELECTED_FRAME ();
/* It should be safe to call this before we have an X frame. */
- if (! FRAME_X_P (selected_frame))
+ if (! FRAME_X_P (sf))
return Qnil;
- dpy = FRAME_X_DISPLAY (selected_frame);
+ dpy = FRAME_X_DISPLAY (sf);
CHECK_SYMBOL (selection, 0);
if (!NILP (Fx_selection_owner_p (selection)))
return Qt;
if (EQ (selection, Qnil)) selection = QPRIMARY;
if (EQ (selection, Qt)) selection = QSECONDARY;
- atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (selected_frame),
- dpy, selection);
+ atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (sf), dpy, selection);
if (atom == 0)
return Qnil;
BLOCK_INPUT;
}
DEFUN ("x-get-cut-buffer-internal", Fx_get_cut_buffer_internal,
- Sx_get_cut_buffer_internal, 1, 1, 0,
- "Returns the value of the named cut buffer (typically CUT_BUFFER0).")
- (buffer)
+ Sx_get_cut_buffer_internal, 1, 1, 0,
+ doc: /* Returns the value of the named cut buffer (typically CUT_BUFFER0). */)
+ (buffer)
Lisp_Object buffer;
{
Window window;
Lisp_Object ret;
Display *display;
struct x_display_info *dpyinfo;
+ struct frame *sf = SELECTED_FRAME ();
check_x ();
- display = FRAME_X_DISPLAY (selected_frame);
- dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame);
+ 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);
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) return Qnil;
+ 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 (dpyinfo, display, type),
+ Fcons (x_atom_to_symbol (display, type),
Fcons (make_number (format), Qnil))));
ret = (bytes ? make_string ((char *) data, bytes) : Qnil);
+ /* Use xfree, not XFree, because x_get_window_property
+ calls xmalloc itself. */
xfree (data);
return ret;
}
DEFUN ("x-store-cut-buffer-internal", Fx_store_cut_buffer_internal,
- Sx_store_cut_buffer_internal, 2, 2, 0,
- "Sets the value of the named cut buffer (typically CUT_BUFFER0).")
- (buffer, string)
+ Sx_store_cut_buffer_internal, 2, 2, 0,
+ doc: /* Sets the value of the named cut buffer (typically CUT_BUFFER0). */)
+ (buffer, string)
Lisp_Object buffer, string;
{
Window window;
int bytes_remaining;
int max_bytes;
Display *display;
+ struct frame *sf = SELECTED_FRAME ();
check_x ();
- display = FRAME_X_DISPLAY (selected_frame);
+ display = FRAME_X_DISPLAY (sf);
window = RootWindow (display, 0); /* Cut buffers are on screen 0 */
max_bytes = SELECTION_QUANTUM (display);
CHECK_CUT_BUFFER (buffer, 0);
CHECK_STRING (string, 0);
- buffer_atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (selected_frame),
+ buffer_atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (sf),
display, buffer);
data = (unsigned char *) XSTRING (string)->data;
- bytes = XSTRING (string)->size;
+ bytes = STRING_BYTES (XSTRING (string));
bytes_remaining = bytes;
- if (! FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized)
+ if (! FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized)
{
initialize_cut_buffers (display, window);
- FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized = 1;
+ FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized = 1;
}
BLOCK_INPUT;
DEFUN ("x-rotate-cut-buffers-internal", Fx_rotate_cut_buffers_internal,
- Sx_rotate_cut_buffers_internal, 1, 1, 0,
- "Rotate the values of the cut buffers by the given number of steps;\n\
-positive means move values forward, negative means backward.")
- (n)
+ Sx_rotate_cut_buffers_internal, 1, 1, 0,
+ doc: /* Rotate the values of the cut buffers by the given number of step.
+Positive means shift the values forward, negative means backward. */)
+ (n)
Lisp_Object n;
{
Window window;
Atom props[8];
Display *display;
+ struct frame *sf = SELECTED_FRAME ();
check_x ();
- display = FRAME_X_DISPLAY (selected_frame);
+ display = FRAME_X_DISPLAY (sf);
window = RootWindow (display, 0); /* Cut buffers are on screen 0 */
CHECK_NUMBER (n, 0);
if (XINT (n) == 0)
return n;
- if (! FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized)
+ if (! FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized)
{
initialize_cut_buffers (display, window);
- FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized = 1;
+ FRAME_X_DISPLAY_INFO (sf)->cut_buffers_initialized = 1;
}
props[0] = XA_CUT_BUFFER0;
staticpro (&Vselection_alist);
DEFVAR_LISP ("selection-converter-alist", &Vselection_converter_alist,
- "An alist associating X Windows selection-types with functions.\n\
-These functions are called to convert the selection, with three args:\n\
-the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\
-a desired type to which the selection should be converted;\n\
-and the local selection value (whatever was given to `x-own-selection').\n\
-\n\
-The function should return the value to send to the X server\n\
-\(typically a string). A return value of nil\n\
-means that the conversion could not be done.\n\
-A return value which is the symbol `NULL'\n\
-means that a side-effect was executed,\n\
-and there is no meaningful selection value.");
+ doc: /* An alist associating X Windows selection-types with functions.
+These functions are called to convert the selection, with three args:
+the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');
+a desired type to which the selection should be converted;
+and the local selection value (whatever was given to `x-own-selection').
+
+The function should return the value to send to the X server
+\(typically a string). A return value of nil
+means that the conversion could not be done.
+A return value which is the symbol `NULL'
+means that a side-effect was executed,
+and there is no meaningful selection value. */);
Vselection_converter_alist = Qnil;
DEFVAR_LISP ("x-lost-selection-hooks", &Vx_lost_selection_hooks,
- "A list of functions to be called when Emacs loses an X selection.\n\
-\(This happens when some other X client makes its own selection\n\
-or when a Lisp program explicitly clears the selection.)\n\
-The functions are called with one argument, the selection type\n\
-\(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.)");
+ 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;
DEFVAR_LISP ("x-sent-selection-hooks", &Vx_sent_selection_hooks,
- "A list of functions to be called when Emacs answers a selection request.\n\
-The functions are called with four arguments:\n\
- - the selection name (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\
- - the selection-type which Emacs was asked to convert the\n\
- selection into before sending (for example, `STRING' or `LENGTH');\n\
- - a flag indicating success or failure for responding to the request.\n\
-We might have failed (and declined the request) for any number of reasons,\n\
-including being asked for a selection that we no longer own, or being asked\n\
-to convert into a type that we don't know about or that is inappropriate.\n\
-This hook doesn't let you change the behavior of Emacs's selection replies,\n\
-it merely informs you that they have happened.");
+ 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');
+ - the selection-type which Emacs was asked to convert the
+ selection into before sending (for example, `STRING' or `LENGTH');
+ - a flag indicating success or failure for responding to the request.
+We might have failed (and declined the request) for any number of reasons,
+including being asked for a selection that we no longer own, or being asked
+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;
+ 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");
+
+ 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
+set to nil. */);
+ Vnext_selection_coding_system = Qnil;
+
DEFVAR_INT ("x-selection-timeout", &x_selection_timeout,
- "Number of milliseconds to wait for a selection reply.\n\
-If the selection owner doens't reply in this time, we give up.\n\
-A value of 0 means wait as long as necessary. This is initialized from the\n\
-\"*selectionTimeout\" resource.");
+ doc: /* Number of milliseconds to wait for a selection reply.
+If the selection owner doesn't reply in this time, we give up.
+A value of 0 means wait as long as necessary. This is initialized from the
+\"*selectionTimeout\" resource. */);
x_selection_timeout = 0;
QPRIMARY = intern ("PRIMARY"); staticpro (&QPRIMARY);
QCLIPBOARD = intern ("CLIPBOARD"); staticpro (&QCLIPBOARD);
QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP);
QTEXT = intern ("TEXT"); staticpro (&QTEXT);
+ QCOMPOUND_TEXT = intern ("COMPOUND_TEXT"); staticpro (&QCOMPOUND_TEXT);
QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP);
QDELETE = intern ("DELETE"); staticpro (&QDELETE);
QMULTIPLE = intern ("MULTIPLE"); staticpro (&QMULTIPLE);
HCoop / bpt / emacs.git / blobdiff