/* 16-bit Windows Selection processing for emacs on MS-Windows
- Copyright (C) 1996, 1997, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+
+Copyright (C) 1996-1997, 2001-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
menus, and the Windows clipboard. */
/* Written by Dale P. Smith <dpsm@en.com> */
-/* Adapted to DJGPP v1 by Eli Zaretskii <eliz@is.elta.co.il> */
+/* Adapted to DJGPP by Eli Zaretskii <eliz@gnu.org> */
#ifdef MSDOS
#include <config.h>
-#include <string.h>
#include <dpmi.h>
#include <go32.h>
#include <sys/farptr.h>
-#include <setjmp.h>
#include "lisp.h"
#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 "character.h"
+#include "buffer.h"
#include "coding.h"
#include "composite.h"
Lisp_Object QCLIPBOARD, QPRIMARY;
-/* Coding system for communicating with other Windows programs via the
- clipboard. */
-static Lisp_Object Vselection_coding_system;
-
-/* Coding system for the next communicating with other Windows programs. */
-static Lisp_Object Vnext_selection_coding_system;
-
/* The segment address and the size of the buffer in low
memory used to move data between us and WinOldAp module. */
static struct {
/* The size of allocated storage for storing the clipboard data. */
static size_t clipboard_storage_size;
\f
-/* Emulation of `__dpmi_int' and friends for DJGPP v1.x */
-
-#if __DJGPP__ < 2
-
-typedef _go32_dpmi_registers __dpmi_regs;
-#define __tb _go32_info_block.linear_address_of_transfer_buffer
-#define _dos_ds _go32_info_block.selector_for_linear_memory
-
-static int
-__dpmi_int (intno, regs)
- int intno;
- __dpmi_regs *regs;
-{
- regs->x.ss = regs->x.sp = regs->x.flags = 0;
- return _go32_dpmi_simulate_int (intno, regs);
-}
-
-#endif /* __DJGPP__ < 2 */
-\f
/* C functions to access the Windows 3.1x clipboard from DOS apps.
The information was obtained from the Microsoft Knowledge Base,
/* Return the WinOldAp support version, or 0x1700 if not supported. */
unsigned
-identify_winoldap_version ()
+identify_winoldap_version (void)
{
__dpmi_regs regs;
<> 1700H: AL = Major version number
AH = Minor version number */
regs.x.ax = 0x1700;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return regs.x.ax;
}
-/* Open the clipboard, return non-zero if successfull. */
+/* Open the clipboard, return non-zero if successful. */
unsigned
-open_clipboard ()
+open_clipboard (void)
{
__dpmi_regs regs;
Return Values AX == 0: Clipboard already open
<> 0: Clipboard opened */
regs.x.ax = 0x1701;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return regs.x.ax;
}
-/* Empty clipboard, return non-zero if successfull. */
+/* Empty clipboard, return non-zero if successful. */
unsigned
-empty_clipboard ()
+empty_clipboard (void)
{
__dpmi_regs regs;
Return Values AX == 0: Error occurred
<> 0: OK, Clipboard emptied */
regs.x.ax = 0x1702;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return regs.x.ax;
}
/* Ensure we have a buffer in low memory with enough memory for data
of size WANT_SIZE. Return the linear address of the buffer. */
static unsigned long
-alloc_xfer_buf (want_size)
- unsigned want_size;
+alloc_xfer_buf (unsigned want_size)
{
__dpmi_regs regs;
The clipboard buffer tends to be large in size, because for small
clipboard data sizes we use the DJGPP transfer buffer. */
static void
-free_xfer_buf ()
+free_xfer_buf (void)
{
/* If the size is 0, we used DJGPP transfer buffer, so don't free. */
if (clipboard_xfer_buf_info.size)
}
}
-/* Copy data into the clipboard, return zero if successfull. */
+/* Copy data into the clipboard, return zero if successful. */
unsigned
-set_clipboard_data (Format, Data, Size, Raw)
- unsigned Format;
- void *Data;
- unsigned Size;
- int Raw;
+set_clipboard_data (unsigned Format, void *Data, unsigned Size, int Raw)
{
__dpmi_regs regs;
unsigned truelen;
regs.x.cx = truelen & 0xffff;
regs.x.es = xbuf_addr >> 4;
regs.x.bx = xbuf_addr & 15;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
free_xfer_buf ();
/* Return the size of the clipboard data of format FORMAT. */
unsigned
-get_clipboard_data_size (Format)
- unsigned Format;
+get_clipboard_data_size (unsigned Format)
{
__dpmi_regs regs;
the clipboard. */
regs.x.ax = 0x1704;
regs.x.dx = Format;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return ( (((unsigned)regs.x.dx) << 16) | regs.x.ax);
}
Warning: this doesn't check whether DATA has enough space to hold
SIZE bytes. */
unsigned
-get_clipboard_data (Format, Data, Size, Raw)
- unsigned Format;
- void *Data;
- unsigned Size;
- int Raw;
+get_clipboard_data (unsigned Format, void *Data, unsigned Size, int Raw)
{
__dpmi_regs regs;
unsigned long xbuf_addr;
regs.x.dx = Format;
regs.x.es = xbuf_addr >> 4;
regs.x.bx = xbuf_addr & 15;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
if (regs.x.ax != 0)
{
unsigned char null_char = '\0';
return (unsigned) (dp - (unsigned char *)Data - 1);
}
-/* Close clipboard, return non-zero if successfull. */
+/* Close clipboard, return non-zero if successful. */
unsigned
-close_clipboard ()
+close_clipboard (void)
{
__dpmi_regs regs;
Return Values AX == 0: Error occurred
<> 0: OK */
regs.x.ax = 0x1708;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return regs.x.ax;
}
/* Compact clipboard data so that at least SIZE bytes is available. */
unsigned
-clipboard_compact (Size)
- unsigned Size;
+clipboard_compact (unsigned Size)
{
__dpmi_regs regs;
regs.x.ax = 0x1709;
regs.x.si = Size >> 16;
regs.x.cx = Size & 0xffff;
- __dpmi_int(0x2f, ®s);
+ __dpmi_int (0x2f, ®s);
return ((unsigned)regs.x.dx << 16) | regs.x.ax;
}
\f
DEFUN ("w16-set-clipboard-data", Fw16_set_clipboard_data, Sw16_set_clipboard_data, 1, 2, 0,
doc: /* This sets the clipboard data to the given text. */)
- (string, frame)
- Lisp_Object string, frame;
+ (Lisp_Object string, Lisp_Object frame)
{
unsigned ok = 1, put_status = 0;
- int nbytes, charset_info, no_crlf_conversion;
+ int nbytes, no_crlf_conversion;
unsigned char *src, *dst = NULL;
CHECK_STRING (string);
- if (NILP (frame))
- frame = Fselected_frame ();
-
- CHECK_LIVE_FRAME (frame);
- if ( !FRAME_MSDOS_P (XFRAME (frame)))
+ if (!FRAME_MSDOS_P (decode_live_frame (frame)))
goto done;
- BLOCK_INPUT;
+ block_input ();
if (!open_clipboard ())
goto error;
{
/* We must encode contents of STRING according to what
clipboard-coding-system specifies. */
- int bufsize;
struct coding_system coding;
- unsigned char *htext2;
Lisp_Object coding_system =
NILP (Vnext_selection_coding_system) ?
Vselection_coding_system : Vnext_selection_coding_system;
setup_coding_system (Fcheck_coding_system (coding_system), &coding);
coding.dst_bytes = nbytes * 4;
- coding.destination = (unsigned char *) xmalloc (coding.dst_bytes);
+ coding.destination = xmalloc (coding.dst_bytes);
Vnext_selection_coding_system = Qnil;
coding.mode |= CODING_MODE_LAST_BLOCK;
dst = coding.destination;
unblock:
xfree (dst);
- UNBLOCK_INPUT;
+ unblock_input ();
/* Notify user if the text is too large to fit into DOS memory.
(This will happen somewhere after 600K bytes (470K in DJGPP v1.x),
switch (put_status)
{
case 1:
- message2 (no_mem_msg, sizeof (no_mem_msg) - 1, 0);
+ message3 (make_unibyte_string (no_mem_msg, sizeof (no_mem_msg) - 1));
break;
case 2:
- message2 (binary_msg, sizeof (binary_msg) - 1, 0);
+ message3 (make_unibyte_string (binary_msg, sizeof (binary_msg) - 1));
break;
case 3:
- message2 (system_error_msg, sizeof (system_error_msg) - 1, 0);
+ message3 (make_unibyte_string (system_error_msg, sizeof (system_error_msg) - 1));
break;
}
sit_for (make_number (2), 0, 2);
DEFUN ("w16-get-clipboard-data", Fw16_get_clipboard_data, Sw16_get_clipboard_data, 0, 1, 0,
doc: /* This gets the clipboard data in text format. */)
- (frame)
- Lisp_Object frame;
+ (Lisp_Object frame)
{
unsigned data_size, truelen;
unsigned char *htext = NULL;
Lisp_Object ret = Qnil;
- int no_crlf_conversion, require_decoding = 0;
-
- if (NILP (frame))
- frame = Fselected_frame ();
+ int require_decoding = 0;
- CHECK_LIVE_FRAME (frame);
- if ( !FRAME_MSDOS_P (XFRAME (frame)))
+ if (!FRAME_MSDOS_P (decode_live_frame (frame)))
goto done;
- BLOCK_INPUT;
+ block_input ();
if (!open_clipboard ())
goto unblock;
if ((data_size = get_clipboard_data_size (CF_OEMTEXT)) == 0 ||
- (htext = (unsigned char *)xmalloc (data_size)) == 0)
+ (htext = xmalloc (data_size)) == 0)
goto closeclip;
/* need to know final size after '\r' chars are removed because
}
if (require_decoding)
{
- int bufsize;
- unsigned char *buf;
struct coding_system coding;
Lisp_Object coding_system = Vnext_selection_coding_system;
close_clipboard ();
unblock:
- UNBLOCK_INPUT;
+ unblock_input ();
done:
/* Support checking for a clipboard selection. */
DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p,
- 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;
+ 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'.
+
+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. */)
+ (Lisp_Object selection, Lisp_Object terminal)
{
CHECK_SYMBOL (selection);
into the clipboard if we run under Windows, so we cannot check
the clipboard alone.) */
if ((EQ (selection, Qnil) || EQ (selection, QPRIMARY))
- && ! NILP (SYMBOL_VALUE (Fintern_soft (build_string ("kill-ring"),
- Qnil))))
+ && ! NILP (Fsymbol_value (Fintern_soft (build_string ("kill-ring"),
+ Qnil))))
return Qt;
if (EQ (selection, QCLIPBOARD))
}
void
-syms_of_win16select ()
+syms_of_win16select (void)
{
defsubr (&Sw16_set_clipboard_data);
defsubr (&Sw16_get_clipboard_data);
defsubr (&Sx_selection_exists_p);
- 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 `iso-latin-1-dos'. */);
+ DEFVAR_LISP ("selection-coding-system", Vselection_coding_system,
+ doc: /* Coding system for communicating with other programs.
+
+For MS-Windows and MS-DOS:
+When sending or receiving text via selection and clipboard, the text
+is encoded or decoded by this coding system. The default value is
+the current system default encoding on 9x/Me, `utf-16le-dos'
+\(Unicode) on NT/W2K/XP, and `iso-latin-1-dos' on MS-DOS.
+
+For X Windows:
+When sending text via selection and clipboard, if the target
+data-type matches with the type of this coding system, it is used
+for encoding the text. Otherwise (including the case that this
+variable is nil), a proper coding system is used as below:
+
+data-type coding system
+--------- -------------
+UTF8_STRING utf-8
+COMPOUND_TEXT compound-text-with-extensions
+STRING iso-latin-1
+C_STRING no-conversion
+
+When receiving text, if this coding system is non-nil, it is used
+for decoding regardless of the data-type. If this is nil, a
+proper coding system is used according to the data-type as above.
+
+See also the documentation of the variable `x-select-request-type' how
+to control which data-type to request for receiving text.
+
+The default value is nil. */);
Vselection_coding_system = intern ("iso-latin-1-dos");
- DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system,
- doc: /* Coding system for the next communication with other X clients.
+ DEFVAR_LISP ("next-selection-coding-system", Vnext_selection_coding_system,
+ doc: /* Coding system for the next communication with other programs.
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. */);
+other programs (X Windows clients or MS Windows programs). 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;
QPRIMARY = intern ("PRIMARY"); staticpro (&QPRIMARY);
}
#endif /* MSDOS */
-
-/* arch-tag: 085a22c8-7324-436e-a6da-102464ce95d8
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff