/* X Selection processing for Emacs.
- Copyright (C) 1993-1997, 2000-2011 Free Software Foundation, Inc.
+ Copyright (C) 1993-1997, 2000-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#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 "character.h"
#include "buffer.h"
#include "process.h"
#include "termhooks.h"
#include "keyboard.h"
-#include "character.h"
#include <X11/Xproto.h>
#ifdef TRACE_SELECTION
#define TRACE0(fmt) \
- fprintf (stderr, "%d: " fmt "\n", getpid ())
+ fprintf (stderr, "%"pMd": " fmt "\n", (printmax_t) getpid ())
#define TRACE1(fmt, a0) \
- fprintf (stderr, "%d: " fmt "\n", getpid (), a0)
+ fprintf (stderr, "%"pMd": " fmt "\n", (printmax_t) getpid (), a0)
#define TRACE2(fmt, a0, a1) \
- fprintf (stderr, "%d: " fmt "\n", getpid (), a0, a1)
+ fprintf (stderr, "%"pMd": " fmt "\n", (printmax_t) getpid (), a0, a1)
#define TRACE3(fmt, a0, a1, a2) \
- fprintf (stderr, "%d: " fmt "\n", getpid (), a0, a1, a2)
+ fprintf (stderr, "%"pMd": " fmt "\n", (printmax_t) getpid (), a0, a1, a2)
#else
#define TRACE0(fmt) (void) 0
#define TRACE1(fmt, a0) (void) 0
#define X_SHRT_MIN (-1 - X_SHRT_MAX)
#define X_LONG_MAX 0x7fffffff
#define X_LONG_MIN (-1 - X_LONG_MAX)
+#define X_ULONG_MAX 0xffffffffUL
/* 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
}
}
- queue_tmp
- = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue));
-
- if (queue_tmp != NULL)
- {
- TRACE1 ("QUEUE SELECTION EVENT %p", queue_tmp);
- queue_tmp->event = *event;
- queue_tmp->next = selection_queue;
- selection_queue = queue_tmp;
- }
+ queue_tmp = xmalloc (sizeof *queue_tmp);
+ TRACE1 ("QUEUE SELECTION EVENT %p", queue_tmp);
+ queue_tmp->event = *event;
+ queue_tmp->next = selection_queue;
+ selection_queue = queue_tmp;
}
/* Start queuing SELECTION_REQUEST_EVENT events. */
TRACE1 ("RESTORE SELECTION EVENT %p", queue_tmp);
kbd_buffer_unget_event (&queue_tmp->event);
selection_queue = queue_tmp->next;
- xfree ((char *)queue_tmp);
+ xfree (queue_tmp);
}
}
\f
INTEGER_TO_CONS (timestamp), frame);
prev_value = LOCAL_SELECTION (selection_name, dpyinfo);
- dpyinfo->terminal->Vselection_alist
- = Fcons (selection_data, dpyinfo->terminal->Vselection_alist);
+ tset_selection_alist
+ (dpyinfo->terminal,
+ Fcons (selection_data, dpyinfo->terminal->Vselection_alist));
/* If we already owned the selection, remove the old selection
data. Don't use Fdelq as that may QUIT. */
\f
/* 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.
+ Return nil, a string, a vector, a symbol, an integer, or a cons
+ that CONS_TO_INTEGER could plausibly handle.
This function is used both for remote requests (LOCAL_REQUEST is zero)
and for local x-get-selection-internal (LOCAL_REQUEST is nonzero).
{
Lisp_Object local_value;
Lisp_Object handler_fn, value, check;
- int count;
local_value = LOCAL_SELECTION (selection_symbol, dpyinfo);
/* 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_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
specbind (Qinhibit_quit, Qt);
CHECK_SYMBOL (target_type);
static Atom conversion_fail_tag;
/* Used as an unwind-protect clause so that, if a selection-converter signals
- an error, we tell the requester that we were unable to do what they wanted
+ an error, we tell the requestor 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
Window window = SELECTION_EVENT_REQUESTOR (event);
ptrdiff_t bytes_remaining;
int max_bytes = selection_quantum (display);
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
struct selection_data *cs;
reply->type = SelectionNotify;
bytes_remaining = cs->size;
bytes_remaining *= format_bytes;
- /* Wait for the requester to ack by deleting the property.
+ /* Wait for the requestor to ack by deleting the property.
This can run Lisp code (process handlers) or signal. */
if (! had_errors)
{
if (had_errors) break;
- /* Wait for the requester to ack this chunk by deleting
+ /* Wait for the requestor to ack this chunk by deleting
the property. This can run Lisp code or signal. */
TRACE1 ("Waiting for increment ACK (deletion of %s)",
XGetAtomName (display, cs->property));
}
/* Now write a zero-length chunk to the property to tell the
- requester that we're done. */
+ requestor that we're done. */
BLOCK_INPUT;
if (! waiting_for_other_props_on_window (display, window))
XSelectInput (display, window, 0L);
/* 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
+ referring 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. */
/* 2004-09-10: XSync and UNBLOCK so that possible protocol errors are
Atom property = SELECTION_EVENT_PROPERTY (event);
Lisp_Object local_selection_data;
int success = 0;
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
GCPRO2 (local_selection_data, target_symbol);
if (!dpyinfo) goto DONE;
{
if (for_multiple)
{
- cs = xmalloc (sizeof (struct selection_data));
+ cs = xmalloc (sizeof *cs);
cs->data = (unsigned char *) &conversion_fail_tag;
cs->size = 1;
cs->format = 32;
}
/* Otherwise, record the converted selection to binary. */
- cs = xmalloc (sizeof (struct selection_data));
+ cs = xmalloc (sizeof *cs);
+ cs->data = NULL;
cs->nofree = 1;
cs->property = property;
cs->wait_object = NULL;
break;
}
}
- dpyinfo->terminal->Vselection_alist = Vselection_alist;
+ tset_selection_alist (dpyinfo->terminal, Vselection_alist);
/* Run the `x-lost-selection-functions' abnormal hook. */
{
args[1] = Fcar (Fcar (t->Vselection_alist));
Frun_hook_with_args (2, args);
- t->Vselection_alist = XCDR (t->Vselection_alist);
+ tset_selection_alist (t, XCDR (t->Vselection_alist));
}
/* Delete elements after the beginning of Vselection_alist. */
expect_property_change (Display *display, Window window,
Atom property, int state)
{
- struct prop_location *pl = (struct prop_location *) xmalloc (sizeof *pl);
+ struct prop_location *pl = xmalloc (sizeof *pl);
pl->identifier = ++prop_location_identifier;
pl->display = display;
pl->window = window;
static void
wait_for_property_change (struct prop_location *location)
{
- int secs, usecs;
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
if (property_change_reply_object)
abort ();
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_output (secs, usecs, 0, 0,
+ EMACS_INT timeout = max (0, x_selection_timeout);
+ EMACS_INT secs = timeout / 1000;
+ int nsecs = (timeout % 1000) * 1000000;
+ TRACE2 (" Waiting %"pI"d secs, %d nsecs", secs, nsecs);
+ wait_reading_process_output (secs, nsecs, 0, 0,
property_change_reply, NULL, 0);
if (NILP (XCAR (property_change_reply)))
Atom type_atom = (CONSP (target_type)
? symbol_to_x_atom (dpyinfo, XCAR (target_type))
: symbol_to_x_atom (dpyinfo, target_type));
- int secs, usecs;
+ EMACS_INT timeout, secs;
+ int nsecs;
if (!FRAME_LIVE_P (f))
return Qnil;
UNBLOCK_INPUT;
/* 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_output (secs, usecs, 0, 0,
+ timeout = max (0, x_selection_timeout);
+ secs = timeout / 1000;
+ nsecs = (timeout % 1000) * 1000000;
+ TRACE1 (" Start waiting %"pI"d secs for SelectionNotify", secs);
+ wait_reading_process_output (secs, nsecs, 0, 0,
reading_selection_reply, NULL, 0);
TRACE1 (" Got event = %d", !NILP (XCAR (reading_selection_reply)));
goto done;
/* This was allocated by Xlib, so use XFree. */
- XFree ((char *) tmp_data);
+ XFree (tmp_data);
if (*actual_type_ret == None || *actual_format_ret == 0)
goto done;
break;
bytes_per_item = *actual_format_ret >> 3;
- xassert (*actual_size_ret <= buffer_size / bytes_per_item);
+ eassert (*actual_size_ret <= buffer_size / bytes_per_item);
/* The man page for XGetWindowProperty says:
"If the returned format is 32, the returned data is represented
offset += bytes_gotten;
/* This was allocated by Xlib, so use XFree. */
- XFree ((char *) tmp_data);
+ XFree (tmp_data);
}
XFlush (display);
struct prop_location *wait_object;
if (min (PTRDIFF_MAX, SIZE_MAX) < min_size_bytes)
memory_full (SIZE_MAX);
- *data_ret = (unsigned char *) xmalloc (min_size_bytes);
+ *data_ret = xmalloc (min_size_bytes);
*size_bytes_ret = min_size_bytes;
TRACE1 ("Read %u bytes incrementally", min_size_bytes);
BLOCK_INPUT;
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
- xfree ((char *) data);
+ xfree (data);
UNBLOCK_INPUT;
receive_incremental_selection (display, window, property, target_type,
min_size_bytes, &data, &bytes,
/* Use xfree, not XFree, because x_get_window_property
calls xmalloc itself. */
- xfree ((char *) data);
+ xfree (data);
return val;
}
\f
convert it to a cons of integers, 16 bits in each half.
*/
else if (format == 32 && size == sizeof (int))
- return INTEGER_TO_CONS (((unsigned int *) data) [0]);
+ return INTEGER_TO_CONS (((int *) data) [0]);
else if (format == 16 && size == sizeof (short))
- return make_number (((unsigned short *) data) [0]);
+ return make_number (((short *) data) [0]);
/* Convert any other kind of data to a vector of numbers, represented
as above (as an integer, or a cons of two 16 bit integers.)
v = Fmake_vector (make_number (size / 2), make_number (0));
for (i = 0; i < size / 2; i++)
{
- EMACS_INT j = ((unsigned short *) data) [i];
+ short j = ((short *) data) [i];
Faset (v, make_number (i), make_number (j));
}
return v;
make_number (0));
for (i = 0; i < size / X_LONG_SIZE; i++)
{
- unsigned int j = ((unsigned int *) data) [i];
+ int j = ((int *) data) [i];
Faset (v, make_number (i), INTEGER_TO_CONS (j));
}
return v;
}
}
+/* Convert OBJ to an X long value, and return it as unsigned long.
+ OBJ should be an integer or a cons representing an integer.
+ Treat values in the range X_LONG_MAX + 1 .. X_ULONG_MAX as X
+ unsigned long values: in theory these values are supposed to be
+ signed but in practice unsigned 32-bit data are communicated via X
+ selections and we need to support that. */
+static unsigned long
+cons_to_x_long (Lisp_Object obj)
+{
+ if (X_ULONG_MAX <= INTMAX_MAX
+ || XINT (INTEGERP (obj) ? obj : XCAR (obj)) < 0)
+ return cons_to_signed (obj, X_LONG_MIN, min (X_ULONG_MAX, INTMAX_MAX));
+ else
+ return cons_to_unsigned (obj, X_ULONG_MAX);
+}
/* Use xfree, not XFree, to free the data obtained with this function. */
}
else if (SYMBOLP (obj))
{
- *data_ret = (unsigned char *) xmalloc (sizeof (Atom) + 1);
+ void *data = xmalloc (sizeof (Atom) + 1);
+ Atom *x_atom_ptr = data;
+ *data_ret = data;
*format_ret = 32;
*size_ret = 1;
(*data_ret) [sizeof (Atom)] = 0;
- (*(Atom **) data_ret) [0] = symbol_to_x_atom (dpyinfo, obj);
+ *x_atom_ptr = symbol_to_x_atom (dpyinfo, obj);
if (NILP (type)) type = QATOM;
}
else if (RANGED_INTEGERP (X_SHRT_MIN, obj, X_SHRT_MAX))
{
- *data_ret = (unsigned char *) xmalloc (sizeof (short) + 1);
+ void *data = xmalloc (sizeof (short) + 1);
+ short *short_ptr = data;
+ *data_ret = data;
*format_ret = 16;
*size_ret = 1;
(*data_ret) [sizeof (short)] = 0;
- (*(short **) data_ret) [0] = XINT (obj);
+ *short_ptr = XINT (obj);
if (NILP (type)) type = QINTEGER;
}
else if (INTEGERP (obj)
|| (CONSP (XCDR (obj))
&& INTEGERP (XCAR (XCDR (obj)))))))
{
- *data_ret = (unsigned char *) xmalloc (sizeof (long) + 1);
+ void *data = xmalloc (sizeof (unsigned long) + 1);
+ unsigned long *x_long_ptr = data;
+ *data_ret = data;
*format_ret = 32;
*size_ret = 1;
- (*data_ret) [sizeof (long)] = 0;
- (*(long **) data_ret) [0] = cons_to_signed (obj, X_LONG_MIN, X_LONG_MAX);
+ (*data_ret) [sizeof (unsigned long)] = 0;
+ *x_long_ptr = cons_to_x_long (obj);
if (NILP (type)) type = QINTEGER;
}
else if (VECTORP (obj))
ptrdiff_t i;
ptrdiff_t size = ASIZE (obj);
- if (SYMBOLP (XVECTOR (obj)->contents [0]))
+ if (SYMBOLP (AREF (obj, 0)))
/* This vector is an ATOM set */
{
+ void *data;
+ Atom *x_atoms;
if (NILP (type)) type = QATOM;
for (i = 0; i < size; i++)
- if (!SYMBOLP (XVECTOR (obj)->contents [i]))
+ if (!SYMBOLP (AREF (obj, i)))
signal_error ("All elements of selection vector must have same type", obj);
- *data_ret = xnmalloc (size, sizeof (Atom));
+ *data_ret = data = xnmalloc (size, sizeof *x_atoms);
+ x_atoms = data;
*format_ret = 32;
*size_ret = size;
for (i = 0; i < size; i++)
- (*(Atom **) data_ret) [i]
- = symbol_to_x_atom (dpyinfo, XVECTOR (obj)->contents [i]);
+ x_atoms[i] = symbol_to_x_atom (dpyinfo, AREF (obj, i));
}
else
/* This vector is an INTEGER set, or something like it */
{
int format = 16;
int data_size = sizeof (short);
+ void *data;
+ unsigned long *x_atoms;
+ short *shorts;
if (NILP (type)) type = QINTEGER;
for (i = 0; i < size; i++)
{
- intmax_t v = cons_to_signed (XVECTOR (obj)->contents[i],
- X_LONG_MIN, X_LONG_MAX);
- if (X_SHRT_MIN <= v && v <= X_SHRT_MAX)
+ if (! RANGED_INTEGERP (X_SHRT_MIN, AREF (obj, i),
+ X_SHRT_MAX))
{
/* Use sizeof (long) even if it is more than 32 bits.
See comment in x_get_window_property and
x_fill_property_data. */
data_size = sizeof (long);
format = 32;
+ break;
}
}
- *data_ret = xnmalloc (size, data_size);
+ *data_ret = data = xnmalloc (size, data_size);
+ x_atoms = data;
+ shorts = data;
*format_ret = format;
*size_ret = size;
for (i = 0; i < size; i++)
{
- long v = cons_to_signed (XVECTOR (obj)->contents[i],
- X_LONG_MIN, X_LONG_MAX);
if (format == 32)
- (*((long **) data_ret)) [i] = v;
+ x_atoms[i] = cons_to_x_long (AREF (obj, i));
else
- (*((short **) data_ret)) [i] = v;
+ shorts[i] = XINT (AREF (obj, i));
}
}
}
ptrdiff_t size = ASIZE (obj);
Lisp_Object copy;
if (size == 1)
- return clean_local_selection_data (XVECTOR (obj)->contents [0]);
+ return clean_local_selection_data (AREF (obj, 0));
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]);
+ ASET (copy, i, clean_local_selection_data (AREF (obj, i)));
return copy;
}
return obj;
anything that the functions on `selection-converter-alist' know about.
FRAME should be a frame that should own the selection. If omitted or
-nil, it defaults to the selected frame. */)
+nil, it defaults to the selected frame.
+
+On Nextstep, FRAME is unused. */)
(Lisp_Object selection, Lisp_Object value, Lisp_Object frame)
{
if (NILP (frame)) frame = selected_frame;
DEFUN ("x-get-selection-internal", Fx_get_selection_internal,
Sx_get_selection_internal, 2, 4, 0,
doc: /* Return text selected from some X window.
-SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.
+SELECTION-SYMBOL is 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'.
-TIME_STAMP is the time to use in the XConvertSelection call for foreign
+TARGET-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.
TERMINAL should be a terminal object or a frame specifying the X
server to query. If omitted or nil, that stands for the selected
-frame's display, or the first available X display. */)
+frame's display, or the first available X display.
+
+On Nextstep, TIME-STAMP and TERMINAL are unused. */)
(Lisp_Object selection_symbol, Lisp_Object target_type,
Lisp_Object time_stamp, Lisp_Object terminal)
{
doc: /* If we own the selection SELECTION, disown it.
Disowning it means there is no such selection.
+Sets the last-change time for the selection to TIME-OBJECT (by default
+the time of the last event).
+
TERMINAL should be a terminal object or a frame specifying the X
server to query. If omitted or nil, that stands for the selected
-frame's display, or the first available X display. */)
+frame's display, or the first available X display.
+
+On Nextstep, the TIME-OBJECT and TERMINAL arguments are unused.
+On MS-DOS, all this does is return non-nil if we own the selection. */)
(Lisp_Object selection, Lisp_Object time_object, Lisp_Object terminal)
{
Time timestamp;
TERMINAL should be a terminal object or a frame specifying the X
server to query. If omitted or nil, that stands for the selected
-frame's display, or the first available X display. */)
+frame's display, or the first available X display.
+
+On Nextstep, TERMINAL is unused. */)
(Lisp_Object selection, Lisp_Object terminal)
{
struct frame *f = frame_for_x_selection (terminal);
0, 2, 0,
doc: /* Whether there is an owner for the given X selection.
SELECTION should be the name of the selection in question, typically
-one of the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. (X expects
-these literal upper-case names.) The symbol nil is the same as
-`PRIMARY', and t is the same as `SECONDARY'.
+one of the symbols `PRIMARY', `SECONDARY', `CLIPBOARD', or
+`CLIPBOARD_MANAGER' (X expects these literal upper-case names.) The
+symbol nil is the same as `PRIMARY', and t is the same as `SECONDARY'.
TERMINAL should be a terminal object or a frame specifying the X
server to query. If omitted or nil, that stands for the selected
-frame's display, or the first available X display. */)
+frame's display, or the first available X display.
+
+On Nextstep, TERMINAL is unused. */)
(Lisp_Object selection, Lisp_Object terminal)
{
Window owner;
local_frame = XCAR (XCDR (XCDR (XCDR (local_selection))));
if (FRAME_LIVE_P (XFRAME (local_frame)))
- internal_condition_case_1 (x_clipboard_manager_save, local_frame,
- Qt, x_clipboard_manager_error_2);
+ {
+ Lisp_Object args[1];
+ args[0] = build_string ("Saving clipboard to X clipboard manager...");
+ Fmessage (1, args);
+
+ internal_condition_case_1 (x_clipboard_manager_save, local_frame,
+ Qt, x_clipboard_manager_error_2);
+ }
}
}
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.
+ each number in DATA to its corresponding 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.
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)
+ if (XINT (format) != 8 && XINT (format) != 16 && XINT (format) != 32)
error ("FORMAT must be one of 8, 16 or 32");
+ event.xclient.type = ClientMessage;
+ event.xclient.format = XINT (format);
+
if (FRAMEP (dest) || NILP (dest))
{
struct frame *fdest = check_x_frame (dest);