1816 lines
55 KiB
C
1816 lines
55 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2009-2012
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* Copyright (C) Laxmikant Rashinkar 2012
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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for help see
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http://tronche.com/gui/x/icccm/sec-2.html#s-2
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.../kde/kdebase/workspace/klipper/clipboardpoll.cpp
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Revision:
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Aug 05, 2012:
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Laxmikant Rashinkar (LK dot Rashinkar at gmail.com)
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added clipboard support for BMP images
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*/
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/*
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TARGETS
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MULTIPLE
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image/tiff
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image/jpeg
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image/x-MS-bmp
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image/x-bmp
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image/bmp
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image/png
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SAVE_TARGETS
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TIMESTAMP
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wininfo - show window info
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xlsatoms - dump atoms
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*/
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xfixes.h>
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#include "arch.h"
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#include "parse.h"
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#include "os_calls.h"
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#include "chansrv.h"
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#include "clipboard.h"
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#include "xcommon.h"
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#define LLOG_LEVEL 11
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#define LLOGLN(_level, _args) \
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do { if (_level < LLOG_LEVEL) { g_writeln _args ; } } while (0)
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static char g_bmp_image_header[] =
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{
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/* this is known to work */
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//0x42, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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/* THIS IS BEING SENT BY WIN2008 */
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0x42, 0x4d, 0x16, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00
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};
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extern int g_cliprdr_chan_id; /* in chansrv.c */
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extern Display *g_display; /* in xcommon.c */
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extern int g_x_socket; /* in xcommon.c */
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extern tbus g_x_wait_obj; /* in xcommon.c */
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extern Screen *g_screen; /* in xcommon.c */
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extern int g_screen_num; /* in xcommon.c */
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int g_clip_up = 0;
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int g_waiting_for_data_response = 0;
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int g_waiting_for_data_response_time = 0;
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static Atom g_clipboard_atom = 0;
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static Atom g_clip_property_atom = 0;
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static Atom g_timestamp_atom = 0;
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static Atom g_multiple_atom = 0;
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static Atom g_targets_atom = 0;
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static Atom g_primary_atom = 0;
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static Atom g_secondary_atom = 0;
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static Atom g_get_time_atom = 0;
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static Atom g_utf8_atom = 0;
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static Atom g_image_bmp_atom = 0;
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static Atom g_file_atom1 = 0; /* text/uri-list */
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static Atom g_file_atom2 = 0; /* x-special/gnome-copied-files */
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static Window g_wnd = 0;
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static int g_xfixes_event_base = 0;
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static int g_last_clip_size = 0;
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static char *g_last_clip_data = 0;
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static Atom g_last_clip_type = 0;
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static int g_in_file_copy = 0;
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static int g_got_selection = 0; /* boolean */
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static Time g_selection_time = 0;
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static struct stream *g_ins = 0;
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static XSelectionRequestEvent g_selection_request_event[16];
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static int g_selection_request_event_count = 0;
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static char *g_data_in = 0;
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static int g_data_in_size = 0;
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static int g_data_in_time = 0;
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static int g_data_in_up_to_date = 0;
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static int g_got_format_announce = 0;
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/* for image data */
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static int g_want_image_data = 0;
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static XSelectionRequestEvent g_saved_selection_req_event;
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/* for clipboard INCR transfers */
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static Atom g_incr_atom;
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static Atom g_incr_atom_type;
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static Atom g_incr_atom_target;
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static char *g_incr_data = 0;
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static int g_incr_data_size = 0;
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static int g_incr_in_progress = 0;
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static int g_clipboard_format_id = CB_FORMAT_UNICODETEXT;
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static int g_cliprdr_version = 2;
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static int g_cliprdr_flags = CB_USE_LONG_FORMAT_NAMES |
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CB_STREAM_FILECLIP_ENABLED |
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CB_FILECLIP_NO_FILE_PATHS;
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/* last recieved CLIPRDR_FORMAT_LIST(CLIPRDR_FORMAT_ANNOUNCE) */
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static int g_formatIds[16];
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static int g_num_formatIds = 0;
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/*****************************************************************************/
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/* this is one way to get the current time from the x server */
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static Time APP_CC
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clipboard_get_server_time(void)
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{
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XEvent xevent;
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unsigned char no_text[4];
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/* append nothing */
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no_text[0] = 0;
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XChangeProperty(g_display, g_wnd, g_get_time_atom, XA_STRING, 8,
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PropModeAppend, no_text, 0);
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/* wait for PropertyNotify */
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do
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{
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XMaskEvent(g_display, PropertyChangeMask, &xevent);
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}
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while (xevent.type != PropertyNotify);
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return xevent.xproperty.time;
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}
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/*****************************************************************************/
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/* returns time in miliseconds
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this is like g_time2 in os_calls, but not miliseconds since machine was
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up, something else
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this is a time value similar to what the xserver uses */
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static int APP_CC
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clipboard_get_local_time(void)
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{
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return g_time3();
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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clipboard_init(void)
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{
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struct stream *s;
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int size;
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int rv;
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int input_mask;
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int dummy;
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int ver_maj;
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int ver_min;
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Status st;
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LOGM((LOG_LEVEL_DEBUG, "xrdp-chansrv: in clipboard_init"));
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if (g_clip_up)
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{
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return 0;
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}
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xcommon_init();
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clipboard_deinit();
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rv = 0;
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if (rv == 0)
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{
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g_clipboard_atom = XInternAtom(g_display, "CLIPBOARD", False);
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if (g_clipboard_atom == None)
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_init: XInternAtom failed"));
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rv = 3;
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}
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}
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if (rv == 0)
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{
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if (!XFixesQueryExtension(g_display, &g_xfixes_event_base, &dummy))
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_init: no xfixes"));
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rv = 5;
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}
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}
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if (rv == 0)
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{
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LOGM((LOG_LEVEL_DEBUG, "clipboard_init: g_xfixes_event_base %d",
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g_xfixes_event_base));
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st = XFixesQueryVersion(g_display, &ver_maj, &ver_min);
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LOGM((LOG_LEVEL_DEBUG, "clipboard_init st %d, maj %d min %d", st,
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ver_maj, ver_min));
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g_clip_property_atom = XInternAtom(g_display, "XRDP_CLIP_PROPERTY_ATOM",
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False);
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g_get_time_atom = XInternAtom(g_display, "XRDP_GET_TIME_ATOM",
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False);
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g_timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False);
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g_targets_atom = XInternAtom(g_display, "TARGETS", False);
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g_multiple_atom = XInternAtom(g_display, "MULTIPLE", False);
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g_primary_atom = XInternAtom(g_display, "PRIMARY", False);
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g_secondary_atom = XInternAtom(g_display, "SECONDARY", False);
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g_utf8_atom = XInternAtom(g_display, "UTF8_STRING", False);
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g_image_bmp_atom = XInternAtom(g_display, "image/bmp", False);
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g_file_atom1 = XInternAtom(g_display, "text/uri-list", False);
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g_file_atom2 = XInternAtom(g_display, "x-special/gnome-copied-files", False);
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g_incr_atom = XInternAtom(g_display, "INCR", False);
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if (g_image_bmp_atom == None)
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_init: g_image_bmp_atom was "
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"not allocated"));
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}
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g_wnd = XCreateSimpleWindow(g_display, RootWindowOfScreen(g_screen),
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0, 0, 4, 4, 0, 0, 0);
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input_mask = StructureNotifyMask | PropertyChangeMask;
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XSelectInput(g_display, g_wnd, input_mask);
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//XMapWindow(g_display, g_wnd);
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XFixesSelectSelectionInput(g_display, g_wnd,
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g_clipboard_atom,
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XFixesSetSelectionOwnerNotifyMask |
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XFixesSelectionWindowDestroyNotifyMask |
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XFixesSelectionClientCloseNotifyMask);
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}
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make_stream(s);
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if (rv == 0)
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{
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/* set clipboard caps first */
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init_stream(s, 8192);
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/* CLIPRDR_HEADER */
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out_uint16_le(s, CB_CLIP_CAPS); /* msgType */
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out_uint16_le(s, 0); /* msgFlags */
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out_uint32_le(s, 16); /* dataLen */
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out_uint16_le(s, 1); /* cCapabilitiesSets */
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out_uint16_le(s, 0); /* pad1 */
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/* CLIPRDR_GENERAL_CAPABILITY */
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out_uint16_le(s, 1); /* capabilitySetType */
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out_uint16_le(s, 12); /* lengthCapability */
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out_uint32_le(s, g_cliprdr_version); /* version */
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out_uint32_le(s, g_cliprdr_flags); /* generalFlags */
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out_uint32_le(s, 0); /* extra 4 bytes ? */
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s_mark_end(s);
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size = (int)(s->end - s->data);
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LOGM((LOG_LEVEL_DEBUG, "clipboard_init: data out, sending "
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"CB_CLIP_CAPS (clip_msg_id = 1)"));
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rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
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if (rv != 0)
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_init: send_channel_data failed "
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"rv = %d", rv));
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rv = 4;
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}
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}
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if (rv == 0)
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{
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/* report clipboard ready */
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init_stream(s, 8192);
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out_uint16_le(s, CB_MONITOR_READY); /* msgType */
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out_uint16_le(s, 0); /* msgFlags */
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out_uint32_le(s, 0); /* dataLen */
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out_uint32_le(s, 0); /* extra 4 bytes ? */
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s_mark_end(s);
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size = (int)(s->end - s->data);
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LOGM((LOG_LEVEL_DEBUG, "clipboard_init: data out, sending "
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"CB_MONITOR_READY (clip_msg_id = 1)"));
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rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
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if (rv != 0)
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_init: send_channel_data failed "
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"rv = %d", rv));
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rv = 4;
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}
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}
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free_stream(s);
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if (rv == 0)
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{
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g_clip_up = 1;
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make_stream(g_ins);
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init_stream(g_ins, 8192);
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}
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else
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{
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LOGM((LOG_LEVEL_ERROR, "xrdp-chansrv: clipboard_init: error on exit"));
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}
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return rv;
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}
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/*****************************************************************************/
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int APP_CC
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clipboard_deinit(void)
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{
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if (g_wnd != 0)
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{
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XDestroyWindow(g_display, g_wnd);
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g_wnd = 0;
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}
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g_free(g_last_clip_data);
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g_last_clip_data = 0;
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g_last_clip_size = 0;
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free_stream(g_ins);
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g_ins = 0;
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g_clip_up = 0;
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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clipboard_send_data_request(void)
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{
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struct stream *s;
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int size;
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int rv;
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LOGM((LOG_LEVEL_DEBUG, "clipboard_send_data_request:"));
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if (!g_got_format_announce)
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{
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LOGM((LOG_LEVEL_ERROR, "clipboard_send_data_request: error, "
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"no format announce"));
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return 0;
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}
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g_got_format_announce = 0;
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make_stream(s);
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init_stream(s, 8192);
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out_uint16_le(s, 4); /* CLIPRDR_DATA_REQUEST */
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out_uint16_le(s, 0); /* status */
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out_uint32_le(s, 4); /* length */
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out_uint32_le(s, g_clipboard_format_id);
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s_mark_end(s);
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size = (int)(s->end - s->data);
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LOGM((LOG_LEVEL_DEBUG, "clipboard_send_data_request: data out, sending "
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"CLIPRDR_DATA_REQUEST (clip_msg_id = 4)"));
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rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
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free_stream(s);
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return rv;
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}
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/*****************************************************************************/
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static int APP_CC
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clipboard_send_format_ack(void)
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{
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struct stream *s;
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int size;
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int rv;
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make_stream(s);
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init_stream(s, 8192);
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out_uint16_le(s, 3); /* CLIPRDR_FORMAT_ACK */
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out_uint16_le(s, 1); /* status */
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out_uint32_le(s, 0); /* length */
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out_uint32_le(s, 0); /* extra 4 bytes ? */
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s_mark_end(s);
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size = (int)(s->end - s->data);
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LOGM((LOG_LEVEL_DEBUG, "clipboard_send_format_ack: data out, sending "
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"CLIPRDR_FORMAT_ACK (clip_msg_id = 3)"));
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rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
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free_stream(s);
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return rv;
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}
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/*****************************************************************************/
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/* returns number of bytes written */
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static int APP_CC
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clipboard_out_unicode(struct stream *s, char *text, int num_chars)
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{
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int index;
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int lnum_chars;
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twchar *ltext;
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if ((num_chars < 1) || (text == 0))
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{
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return 0;
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}
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lnum_chars = g_mbstowcs(0, text, num_chars);
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if (lnum_chars < 0)
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{
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return 0;
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}
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ltext = (twchar *) g_malloc((num_chars + 1) * sizeof(twchar), 1);
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g_mbstowcs(ltext, text, num_chars);
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index = 0;
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while (index < num_chars)
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{
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out_uint16_le(s, ltext[index]);
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index++;
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}
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g_free(ltext);
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return index * 2;
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}
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/*****************************************************************************/
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/* returns number of bytes read */
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static int APP_CC
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clipboard_in_unicode(struct stream *s, char *text, int *num_chars)
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{
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int index;
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twchar *ltext;
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twchar chr;
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if ((num_chars == 0) || (*num_chars < 1) || (text == 0))
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{
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return 0;
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}
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ltext = (twchar *) g_malloc(512 * sizeof(twchar), 1);
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index = 0;
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while (s_check_rem(s, 2))
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{
|
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in_uint16_le(s, chr);
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if (index < 511)
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{
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ltext[index] = chr;
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}
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index++;
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if (chr == 0)
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{
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break;
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}
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}
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*num_chars = g_wcstombs(text, ltext, *num_chars);
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g_free(ltext);
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return index * 2;
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}
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|
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static char windows_native_format[] =
|
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{
|
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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|
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/*****************************************************************************/
|
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static int APP_CC
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clipboard_send_format_announce(tui32 format_id, char *format_name)
|
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{
|
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struct stream *s;
|
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int size;
|
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int rv;
|
|
char *holdp;
|
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|
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LLOGLN(10, ("clipboard_send_format_announce: format_id 0x%8.8x "
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"format_name [%s]", format_id, format_name));
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make_stream(s);
|
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init_stream(s, 8192);
|
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out_uint16_le(s, CB_FORMAT_LIST); /* CLIPRDR_FORMAT_ANNOUNCE */
|
|
out_uint16_le(s, 0); /* status */
|
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holdp = s->p;
|
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out_uint32_le(s, 0); /* set later */
|
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if (g_cliprdr_flags & CB_USE_LONG_FORMAT_NAMES)
|
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{
|
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if (format_id == CB_FORMAT_FILE)
|
|
{
|
|
out_uint32_le(s, 0x0000c0bc);
|
|
clipboard_out_unicode(s, "FileGroupDescriptorW", 21);
|
|
out_uint32_le(s, 0x0000c0ba);
|
|
clipboard_out_unicode(s, "FileContents", 13);
|
|
out_uint32_le(s, 0x0000c0c1);
|
|
clipboard_out_unicode(s, "DropEffect", 11);
|
|
}
|
|
else if (format_id == CB_FORMAT_DIB)
|
|
{
|
|
out_uint32_le(s, 0x0000c004);
|
|
clipboard_out_unicode(s, "Native", 7);
|
|
out_uint32_le(s, 0x00000003);
|
|
clipboard_out_unicode(s, "", 1);
|
|
out_uint32_le(s, 0x00000008);
|
|
clipboard_out_unicode(s, "", 1);
|
|
out_uint32_le(s, 0x00000011);
|
|
clipboard_out_unicode(s, "", 1);
|
|
}
|
|
else
|
|
{
|
|
out_uint32_le(s, format_id);
|
|
clipboard_out_unicode(s, format_name, g_mbstowcs(0, format_name, 0) + 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
out_uint32_le(s, format_id);
|
|
out_uint8p(s, windows_native_format, sizeof(windows_native_format));
|
|
}
|
|
size = (int)(s->p - holdp);
|
|
size -= 4;
|
|
holdp[0] = (size >> 0) & 0xff;
|
|
holdp[1] = (size >> 8) & 0xff;
|
|
holdp[2] = (size >> 16) & 0xff;
|
|
holdp[3] = (size >> 24) & 0xff;
|
|
out_uint8s(s, 4);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
g_hexdump(s->data, size);
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_send_format_announce: data out, sending "
|
|
"CLIPRDR_FORMAT_ANNOUNCE (clip_msg_id = 2)"));
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_send_data_response_for_image(void)
|
|
{
|
|
struct stream *s;
|
|
int size;
|
|
int rv;
|
|
|
|
LOG(10, ("clipboard_send_data_response_for_image: g_last_clip_size %d\n",
|
|
g_last_clip_size));
|
|
make_stream(s);
|
|
init_stream(s, 64 + g_last_clip_size);
|
|
out_uint16_le(s, 5); /* CLIPRDR_DATA_RESPONSE */
|
|
out_uint16_le(s, 1); /* status */
|
|
out_uint32_le(s, g_last_clip_size); /* length */
|
|
|
|
/* insert image data */
|
|
if (g_last_clip_type == g_image_bmp_atom)
|
|
{
|
|
/* do not insert first header */
|
|
out_uint8p(s, g_last_clip_data + 14, g_last_clip_size - 14);
|
|
}
|
|
|
|
out_uint16_le(s, 0); /* nil for string */
|
|
out_uint32_le(s, 0);
|
|
out_uint32_le(s, 0);
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
/* HANGING HERE WHEN IMAGE DATA IS TOO BIG!!!! */
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_send_data_response(void)
|
|
{
|
|
struct stream *s;
|
|
int size;
|
|
int rv;
|
|
int num_chars;
|
|
|
|
LOG(10, ("clipboard_send_data_response:"));
|
|
num_chars = 0;
|
|
|
|
if (g_last_clip_data != 0)
|
|
{
|
|
if (g_last_clip_type == g_image_bmp_atom)
|
|
{
|
|
return clipboard_send_data_response_for_image();
|
|
}
|
|
|
|
if ((g_last_clip_type == XA_STRING) || (g_last_clip_type == g_utf8_atom))
|
|
{
|
|
num_chars = g_mbstowcs(0, g_last_clip_data, 0);
|
|
|
|
if (num_chars < 0)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_send_data_response: bad string"));
|
|
num_chars = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
LOG(10, ("clipboard_send_data_response: g_last_clip_size %d "
|
|
"num_chars %d", g_last_clip_size, num_chars));
|
|
make_stream(s);
|
|
init_stream(s, 64 + num_chars * 2);
|
|
out_uint16_le(s, 5); /* CLIPRDR_DATA_RESPONSE */
|
|
out_uint16_le(s, 1); /* status */
|
|
out_uint32_le(s, num_chars * 2 + 2); /* length */
|
|
|
|
if (clipboard_out_unicode(s, g_last_clip_data, num_chars) != num_chars * 2)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_send_data_response: error "
|
|
"clipboard_out_unicode didn't write right number of bytes"));
|
|
}
|
|
|
|
out_uint16_le(s, 0); /* nil for string */
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_send_data_response: data out, sending "
|
|
"CLIPRDR_DATA_RESPONSE (clip_msg_id = 5) size %d num_chars %d",
|
|
size, num_chars));
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_set_selection_owner(void)
|
|
{
|
|
Window owner;
|
|
|
|
g_selection_time = clipboard_get_server_time();
|
|
XSetSelectionOwner(g_display, g_clipboard_atom, g_wnd, g_selection_time);
|
|
owner = XGetSelectionOwner(g_display, g_clipboard_atom);
|
|
|
|
if (owner != g_wnd)
|
|
{
|
|
g_got_selection = 0;
|
|
return 1;
|
|
}
|
|
|
|
g_got_selection = 1;
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_provide_selection(XSelectionRequestEvent *req, Atom type, int format,
|
|
char *data, int length)
|
|
{
|
|
XEvent xev;
|
|
|
|
XChangeProperty(g_display, req->requestor, req->property,
|
|
type, format, PropModeReplace, (tui8 *)data, length);
|
|
g_memset(&xev, 0, sizeof(xev));
|
|
xev.xselection.type = SelectionNotify;
|
|
xev.xselection.send_event = True;
|
|
xev.xselection.display = req->display;
|
|
xev.xselection.requestor = req->requestor;
|
|
xev.xselection.selection = req->selection;
|
|
xev.xselection.target = req->target;
|
|
xev.xselection.property = req->property;
|
|
xev.xselection.time = req->time;
|
|
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_refuse_selection(XSelectionRequestEvent *req)
|
|
{
|
|
XEvent xev;
|
|
|
|
g_memset(&xev, 0, sizeof(xev));
|
|
xev.xselection.type = SelectionNotify;
|
|
xev.xselection.send_event = True;
|
|
xev.xselection.display = req->display;
|
|
xev.xselection.requestor = req->requestor;
|
|
xev.xselection.selection = req->selection;
|
|
xev.xselection.target = req->target;
|
|
xev.xselection.property = None;
|
|
xev.xselection.time = req->time;
|
|
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* sent by client or server when its local system clipboard is
|
|
updated with new clipboard data; contains Clipboard Format ID
|
|
and name pairs of new Clipboard Formats on the clipboard. */
|
|
static int APP_CC
|
|
clipboard_process_format_announce(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
int formatId;
|
|
int count;
|
|
int bytes;
|
|
char desc[256];
|
|
char *holdp;
|
|
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_format_announce: "
|
|
"CLIPRDR_FORMAT_ANNOUNCE"));
|
|
LLOGLN(10, ("clipboard_process_format_announce %d", clip_msg_len));
|
|
g_hexdump(s->p, s->end - s->p);
|
|
clipboard_send_format_ack();
|
|
g_got_format_announce = 1;
|
|
g_data_in_up_to_date = 0;
|
|
desc[0] = 0;
|
|
g_num_formatIds = 0;
|
|
while (clip_msg_len > 3)
|
|
{
|
|
in_uint32_le(s, formatId);
|
|
clip_msg_len -= 4;
|
|
if (g_cliprdr_flags & CB_USE_LONG_FORMAT_NAMES)
|
|
{
|
|
/* CLIPRDR_LONG_FORMAT_NAME */
|
|
count = 255;
|
|
bytes = clipboard_in_unicode(s, desc, &count);
|
|
clip_msg_len -= bytes;
|
|
}
|
|
else
|
|
{
|
|
/* CLIPRDR_SHORT_FORMAT_NAME */
|
|
/* 32 ASCII 8 characters or 16 Unicode characters */
|
|
count = 15;
|
|
holdp = s->p;
|
|
clipboard_in_unicode(s, desc, &count);
|
|
s->p = holdp + 32;
|
|
desc[15] = 0;
|
|
clip_msg_len -= 32;
|
|
}
|
|
LLOGLN(10, ("clipboard_process_format_announce: formatId 0x%8.8x "
|
|
"wszFormatName [%s] clip_msg_len %d", formatId, desc,
|
|
clip_msg_len));
|
|
g_formatIds[g_num_formatIds] = formatId;
|
|
g_num_formatIds++;
|
|
if (g_num_formatIds > 15)
|
|
{
|
|
LLOGLN(10, ("clipboard_process_format_announce: max formats"));
|
|
}
|
|
}
|
|
|
|
if (g_num_formatIds > 0)
|
|
{
|
|
if (clipboard_set_selection_owner() != 0)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_process_format_announce: "
|
|
"XSetSelectionOwner failed"));
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* response to CB_FORMAT_LIST; used to indicate whether
|
|
processing of the Format List PDU was successful */
|
|
static int APP_CC
|
|
clipboard_prcoess_format_ack(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_prcoess_format_ack: CLIPRDR_FORMAT_ACK"));
|
|
LLOGLN(10, ("clipboard_prcoess_format_ack:"));
|
|
g_hexdump(s->p, s->end - s->p);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* sent by recipient of CB_FORMAT_LIST; used to request data for one
|
|
of the formats that was listed in CB_FORMAT_LIST */
|
|
static int APP_CC
|
|
clipboard_process_data_request(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_data_request: "
|
|
"CLIPRDR_DATA_REQUEST"));
|
|
LLOGLN(10, ("clipboard_process_data_request:"));
|
|
g_hexdump(s->p, s->end - s->p);
|
|
clipboard_send_data_response();
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* sent as a reply to CB_FORMAT_DATA_REQUEST; used to indicate whether
|
|
processing of the CB_FORMAT_DATA_REQUEST was successful; if processing
|
|
was successful, CB_FORMAT_DATA_RESPONSE includes contents of requested
|
|
clipboard data. */
|
|
static int APP_CC
|
|
clipboard_process_data_response_for_image(struct stream *s,
|
|
int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
XSelectionRequestEvent *lxev = &g_saved_selection_req_event;
|
|
char *cptr;
|
|
char cdata;
|
|
int len;
|
|
int index;
|
|
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_data_response_for_image: "
|
|
"CLIPRDR_DATA_RESPONSE_FOR_IMAGE"));
|
|
g_waiting_for_data_response = 0;
|
|
len = (int)(s->end - s->p);
|
|
|
|
if (len < 1)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
if (g_last_clip_type == g_image_bmp_atom)
|
|
{
|
|
/* space for inserting bmp image header */
|
|
len += 14;
|
|
cptr = (char *) g_malloc(len, 0);
|
|
|
|
if (cptr == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
g_memcpy(cptr, g_bmp_image_header, 14);
|
|
index = 14;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
while (s_check(s))
|
|
{
|
|
in_uint8(s, cdata);
|
|
cptr[index++] = cdata;
|
|
}
|
|
|
|
if (len >= 0)
|
|
{
|
|
g_data_in = cptr;
|
|
g_data_in_size = len;
|
|
g_data_in_time = clipboard_get_local_time();
|
|
g_data_in_up_to_date = 1;
|
|
}
|
|
|
|
clipboard_provide_selection(lxev, lxev->target, 8, cptr, len);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* sent as a reply to CB_FORMAT_DATA_REQUEST; used to indicate whether
|
|
processing of the CB_FORMAT_DATA_REQUEST was successful; if processing was
|
|
successful, CB_FORMAT_DATA_RESPONSE includes contents of requested
|
|
clipboard data. */
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_process_data_response(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
XSelectionRequestEvent *lxev;
|
|
twchar *wtext;
|
|
twchar wchr;
|
|
int len;
|
|
int index;
|
|
int data_in_len;
|
|
|
|
if (g_want_image_data)
|
|
{
|
|
g_want_image_data = 0;
|
|
clipboard_process_data_response_for_image(s, clip_msg_status, clip_msg_len);
|
|
return 0;
|
|
}
|
|
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_data_response: "
|
|
"CLIPRDR_DATA_RESPONSE"));
|
|
g_waiting_for_data_response = 0;
|
|
len = (int)(s->end - s->p);
|
|
|
|
if (len < 1)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
//g_hexdump(s->p, len);
|
|
wtext = (twchar *) g_malloc(((len / 2) + 1) * sizeof(twchar), 0);
|
|
|
|
if (wtext == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
index = 0;
|
|
|
|
while (s_check(s))
|
|
{
|
|
in_uint16_le(s, wchr);
|
|
wtext[index] = wchr;
|
|
|
|
if (wchr == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
index++;
|
|
}
|
|
|
|
wtext[index] = 0;
|
|
g_free(g_data_in);
|
|
g_data_in = 0;
|
|
g_data_in_size = 0;
|
|
g_data_in_time = 0;
|
|
len = g_wcstombs(0, wtext, 0);
|
|
|
|
if (len >= 0)
|
|
{
|
|
g_data_in = (char *) g_malloc(len + 16, 0);
|
|
|
|
if (g_data_in == 0)
|
|
{
|
|
g_free(wtext);
|
|
return 0;
|
|
}
|
|
|
|
g_data_in_size = len;
|
|
g_wcstombs(g_data_in, wtext, len + 1);
|
|
g_data_in_time = xcommon_get_local_time();
|
|
g_data_in_up_to_date = 1;
|
|
}
|
|
|
|
if (g_data_in != 0)
|
|
{
|
|
data_in_len = g_strlen(g_data_in);
|
|
|
|
for (index = 0; index < g_selection_request_event_count; index++)
|
|
{
|
|
lxev = &(g_selection_request_event[index]);
|
|
clipboard_provide_selection(lxev, lxev->target, 8, g_data_in,
|
|
data_in_len);
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_data_response: requestor %d "
|
|
"data_in_len %d", lxev->requestor, data_in_len));
|
|
}
|
|
}
|
|
|
|
g_selection_request_event_count = 0;
|
|
g_free(wtext);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_process_clip_caps(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
int cCapabilitiesSets;
|
|
int capabilitySetType;
|
|
int lengthCapability;
|
|
int index;
|
|
int version;
|
|
int flags;
|
|
char *holdp;
|
|
|
|
LLOGLN(10, ("clipboard_process_clip_caps:"));
|
|
//g_hexdump(s->p, s->end - s->p);
|
|
in_uint16_le(s, cCapabilitiesSets);
|
|
in_uint8s(s, 2); /* pad */
|
|
for (index = 0; index < cCapabilitiesSets; index++)
|
|
{
|
|
holdp = s->p;
|
|
in_uint16_le(s, capabilitySetType);
|
|
in_uint16_le(s, lengthCapability);
|
|
switch (capabilitySetType)
|
|
{
|
|
case CB_CAPSTYPE_GENERAL:
|
|
in_uint32_le(s, version); /* version */
|
|
in_uint32_le(s, flags); /* generalFlags */
|
|
LLOGLN(0, ("clipboard_process_clip_caps: "
|
|
"g_cliprdr_version %d version %d "
|
|
"g_cliprdr_flags 0x%x flags 0x%x",
|
|
g_cliprdr_version, version,
|
|
g_cliprdr_flags, flags));
|
|
if (version < g_cliprdr_version)
|
|
{
|
|
g_cliprdr_version = version;
|
|
}
|
|
g_cliprdr_flags &= flags;
|
|
break;
|
|
default:
|
|
LLOGLN(0, ("clipboard_process_clip_caps: unknown "
|
|
"capabilitySetType %d", capabilitySetType));
|
|
break;
|
|
}
|
|
s->p = holdp + lengthCapability;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
clipboard_data_in(struct stream *s, int chan_id, int chan_flags, int length,
|
|
int total_length)
|
|
{
|
|
int clip_msg_id;
|
|
int clip_msg_len;
|
|
int clip_msg_status;
|
|
int rv;
|
|
struct stream *ls;
|
|
|
|
LOG(10, ("clipboard_data_in: chan_is %d "
|
|
"chan_flags %d length %d total_length %d",
|
|
chan_id, chan_flags, length, total_length));
|
|
LLOGLN(10, ("clipboard_data_in:"));
|
|
|
|
if ((chan_flags & 3) == 3)
|
|
{
|
|
ls = s;
|
|
}
|
|
else
|
|
{
|
|
if (chan_flags & 1)
|
|
{
|
|
init_stream(g_ins, total_length);
|
|
}
|
|
|
|
in_uint8a(s, g_ins->end, length);
|
|
g_ins->end += length;
|
|
|
|
if ((chan_flags & 2) == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
ls = g_ins;
|
|
}
|
|
|
|
in_uint16_le(ls, clip_msg_id);
|
|
in_uint16_le(ls, clip_msg_status);
|
|
in_uint32_le(ls, clip_msg_len);
|
|
LOG(10, ("clipboard_data_in: clip_msg_id %d "
|
|
"clip_msg_status %d clip_msg_len %d",
|
|
clip_msg_id, clip_msg_status, clip_msg_len));
|
|
rv = 0;
|
|
|
|
LLOGLN(10, ("clipboard_data_in: %d", clip_msg_id));
|
|
switch (clip_msg_id)
|
|
{
|
|
/* sent by client or server when its local system clipboard is */
|
|
/* updated with new clipboard data; contains Clipboard Format ID */
|
|
/* and name pairs of new Clipboard Formats on the clipboard. */
|
|
case CB_FORMAT_LIST: /* CLIPRDR_FORMAT_ANNOUNCE */
|
|
rv = clipboard_process_format_announce(ls, clip_msg_status,
|
|
clip_msg_len);
|
|
break;
|
|
/* response to CB_FORMAT_LIST; used to indicate whether */
|
|
/* processing of the Format List PDU was successful */
|
|
case CB_FORMAT_LIST_RESPONSE: /* CLIPRDR_FORMAT_ACK */
|
|
rv = clipboard_prcoess_format_ack(ls, clip_msg_status,
|
|
clip_msg_len);
|
|
break;
|
|
/* sent by recipient of CB_FORMAT_LIST; used to request data for one */
|
|
/* of the formats that was listed in CB_FORMAT_LIST */
|
|
case CB_FORMAT_DATA_REQUEST: /* CLIPRDR_DATA_REQUEST */
|
|
rv = clipboard_process_data_request(ls, clip_msg_status,
|
|
clip_msg_len);
|
|
break;
|
|
/* sent as a reply to CB_FORMAT_DATA_REQUEST; used to indicate */
|
|
/* whether processing of the CB_FORMAT_DATA_REQUEST was */
|
|
/* successful; if processing was successful, */
|
|
/* CB_FORMAT_DATA_RESPONSE includes contents of requested */
|
|
/* clipboard data. */
|
|
case CB_FORMAT_DATA_RESPONSE: /* CLIPRDR_DATA_RESPONSE */
|
|
rv = clipboard_process_data_response(ls, clip_msg_status,
|
|
clip_msg_len);
|
|
break;
|
|
case CB_CLIP_CAPS:
|
|
rv = clipboard_process_clip_caps(ls, clip_msg_status,
|
|
clip_msg_len);
|
|
break;
|
|
default:
|
|
LLOGLN(0, ("clipboard_data_in: unknown clip_msg_id %d", clip_msg_id));
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_data_in: unknown clip_msg_id %d",
|
|
clip_msg_id));
|
|
break;
|
|
}
|
|
|
|
XFlush(g_display);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* this happens when a new app copies something to the clipboard
|
|
'CLIPBOARD' Atom
|
|
typedef struct
|
|
{
|
|
int type;
|
|
unsigned long serial;
|
|
Bool send_event;
|
|
Display *display;
|
|
Window window;
|
|
int subtype;
|
|
Window owner;
|
|
Atom selection;
|
|
Time timestamp;
|
|
Time selection_timestamp;
|
|
} XFixesSelectionNotifyEvent; */
|
|
static int APP_CC
|
|
clipboard_event_selection_owner_notify(XEvent *xevent)
|
|
{
|
|
XFixesSelectionNotifyEvent *lxevent;
|
|
|
|
LLOGLN(0, ("clipboard_event_selection_owner_notify:"));
|
|
lxevent = (XFixesSelectionNotifyEvent *)xevent;
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_owner_notify: "
|
|
"window %d subtype %d owner %d g_wnd %d",
|
|
lxevent->window, lxevent->subtype, lxevent->owner, g_wnd));
|
|
|
|
if (lxevent->owner == g_wnd)
|
|
{
|
|
LLOGLN(0, ("clipboard_event_selection_owner_notify: matches g_wnd"));
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_owner_notify: skipping, "
|
|
"onwer == g_wnd"));
|
|
g_got_selection = 1;
|
|
return 0;
|
|
}
|
|
|
|
g_got_selection = 0;
|
|
XConvertSelection(g_display, g_clipboard_atom, g_targets_atom,
|
|
g_clip_property_atom, g_wnd, lxevent->timestamp);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error
|
|
get a window property from wnd */
|
|
static int APP_CC
|
|
clipboard_get_window_property(Window wnd, Atom prop, Atom *type, int *fmt,
|
|
int *n_items, char **xdata, int *xdata_size)
|
|
{
|
|
int lfmt;
|
|
int lxdata_size;
|
|
unsigned long ln_items;
|
|
unsigned long llen_after;
|
|
tui8 *lxdata;
|
|
Atom ltype;
|
|
|
|
lxdata = 0;
|
|
ltype = 0;
|
|
XGetWindowProperty(g_display, g_wnd, prop, 0, 0, 0,
|
|
AnyPropertyType, <ype, &lfmt, &ln_items,
|
|
&llen_after, &lxdata);
|
|
|
|
if (lxdata != 0)
|
|
{
|
|
XFree(lxdata);
|
|
}
|
|
|
|
if (ltype == 0)
|
|
{
|
|
/* XGetWindowProperty failed */
|
|
return 1;
|
|
}
|
|
|
|
if (ltype == g_incr_atom)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_property_notify: INCR start"));
|
|
g_incr_in_progress = 1;
|
|
g_incr_atom_type = prop;
|
|
g_incr_data_size = 0;
|
|
g_free(g_incr_data);
|
|
g_incr_data = 0;
|
|
XDeleteProperty(g_display, g_wnd, prop);
|
|
return 0;
|
|
}
|
|
|
|
if (llen_after < 1)
|
|
{
|
|
/* no data, ok */
|
|
return 0;
|
|
}
|
|
|
|
lxdata = 0;
|
|
ltype = 0;
|
|
XGetWindowProperty(g_display, g_wnd, prop, 0, (llen_after + 3) / 4, 0,
|
|
AnyPropertyType, <ype, &lfmt, &ln_items,
|
|
&llen_after, &lxdata);
|
|
|
|
if (ltype == 0)
|
|
{
|
|
/* XGetWindowProperty failed */
|
|
if (lxdata != 0)
|
|
{
|
|
XFree(lxdata);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
lxdata_size = (lfmt / 8) * ln_items;
|
|
|
|
if (lxdata_size < 1)
|
|
{
|
|
/* should not happen */
|
|
if (lxdata != 0)
|
|
{
|
|
XFree(lxdata);
|
|
}
|
|
|
|
return 2;
|
|
}
|
|
|
|
if (llen_after > 0)
|
|
{
|
|
/* should not happen */
|
|
if (lxdata != 0)
|
|
{
|
|
XFree(lxdata);
|
|
}
|
|
|
|
return 3;
|
|
}
|
|
|
|
if (xdata != 0)
|
|
{
|
|
*xdata = (char *) g_malloc(lxdata_size, 0);
|
|
g_memcpy(*xdata, lxdata, lxdata_size);
|
|
}
|
|
|
|
if (lxdata != 0)
|
|
{
|
|
XFree(lxdata);
|
|
}
|
|
|
|
if (xdata_size != 0)
|
|
{
|
|
*xdata_size = lxdata_size;
|
|
}
|
|
|
|
if (fmt != 0)
|
|
{
|
|
*fmt = (int)lfmt;
|
|
}
|
|
|
|
if (n_items != 0)
|
|
{
|
|
*n_items = (int)ln_items;
|
|
}
|
|
|
|
if (type != 0)
|
|
{
|
|
*type = ltype;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error
|
|
process the SelectionNotify X event, uses XSelectionEvent
|
|
typedef struct {
|
|
int type; // SelectionNotify
|
|
unsigned long serial; // # of last request processed by server
|
|
Bool send_event; // true if this came from a SendEvent request
|
|
Display *display; // Display the event was read from
|
|
Window requestor;
|
|
Atom selection;
|
|
Atom target;
|
|
Atom property; // atom or None
|
|
Time time;
|
|
} XSelectionEvent; */
|
|
static int APP_CC
|
|
clipboard_event_selection_notify(XEvent *xevent)
|
|
{
|
|
XSelectionEvent *lxevent;
|
|
char *data;
|
|
int data_size;
|
|
int n_items;
|
|
int fmt;
|
|
int rv;
|
|
int index;
|
|
int convert_to_string;
|
|
int convert_to_utf8;
|
|
int convert_to_bmp_image;
|
|
int convert_to_file;
|
|
int send_format_announce;
|
|
int atom;
|
|
Atom *atoms;
|
|
Atom type;
|
|
tui32 format_id;
|
|
char format_name[32];
|
|
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_notify:"));
|
|
data_size = 0;
|
|
n_items = 0;
|
|
fmt = 0;
|
|
convert_to_string = 0;
|
|
convert_to_utf8 = 0;
|
|
convert_to_bmp_image = 0;
|
|
convert_to_file = 0;
|
|
send_format_announce = 0;
|
|
format_id = 0;
|
|
rv = 0;
|
|
data = 0;
|
|
type = 0;
|
|
lxevent = (XSelectionEvent *)xevent;
|
|
g_memset(format_name, 0, 32);
|
|
|
|
if (lxevent->property == None)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_notify: clip could "
|
|
"not be converted"));
|
|
rv = 1;
|
|
}
|
|
|
|
if (rv == 0)
|
|
{
|
|
/* we need this if the call below turns out to be a
|
|
clipboard INCR operation */
|
|
if (!g_incr_in_progress)
|
|
{
|
|
g_incr_atom_target = lxevent->target;
|
|
}
|
|
|
|
rv = clipboard_get_window_property(lxevent->requestor, lxevent->property,
|
|
&type, &fmt,
|
|
&n_items, &data, &data_size);
|
|
|
|
if (rv != 0)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_notify: "
|
|
"clipboard_get_window_property failed error %d", rv));
|
|
}
|
|
|
|
XDeleteProperty(g_display, lxevent->requestor, lxevent->property);
|
|
}
|
|
|
|
if (rv == 0)
|
|
{
|
|
if (lxevent->selection == g_clipboard_atom)
|
|
{
|
|
if (lxevent->target == g_targets_atom)
|
|
{
|
|
/* on a 64 bit machine, actual_format_return of 32 implies long */
|
|
if ((type == XA_ATOM) && (fmt == 32))
|
|
{
|
|
atoms = (Atom *)data;
|
|
g_in_file_copy = 0;
|
|
for (index = 0; index < n_items; index++)
|
|
{
|
|
atom = atoms[index];
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_notify: %d %s %d",
|
|
atom, XGetAtomName(g_display, atom), XA_STRING));
|
|
LLOGLN(10, ("clipboard_event_selection_notify: 0x%x %s",
|
|
atom, XGetAtomName(g_display, atom)));
|
|
if (atom == g_utf8_atom)
|
|
{
|
|
convert_to_utf8 = 1;
|
|
}
|
|
else if (atom == XA_STRING)
|
|
{
|
|
convert_to_string = 1;
|
|
}
|
|
else if (atom == g_image_bmp_atom)
|
|
{
|
|
convert_to_bmp_image = 1;
|
|
}
|
|
else if ((atom == g_file_atom1) || (atom == g_file_atom2))
|
|
{
|
|
LLOGLN(10, ("clipboard_event_selection_notify: file"));
|
|
convert_to_file = 1;
|
|
}
|
|
else
|
|
{
|
|
LLOGLN(10, ("clipboard_event_selection_notify: unknown atom 0x%x", atom));
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_notify: error, "
|
|
"target is 'TARGETS' and type[%d] or fmt[%d] not right, "
|
|
"should be type[%d], fmt[%d]", type, fmt, XA_ATOM, 32));
|
|
}
|
|
}
|
|
else if (lxevent->target == g_utf8_atom)
|
|
{
|
|
LLOGLN(10, ("here---------------------%d", g_in_file_copy));
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_notify: UTF8_STRING "
|
|
"data_size %d", data_size));
|
|
g_free(g_last_clip_data);
|
|
g_last_clip_data = 0;
|
|
g_last_clip_size = data_size;
|
|
g_last_clip_data = (char *) g_malloc(g_last_clip_size + 1, 0);
|
|
g_last_clip_type = g_utf8_atom;
|
|
g_memcpy(g_last_clip_data, data, g_last_clip_size);
|
|
g_last_clip_data[g_last_clip_size] = 0;
|
|
send_format_announce = 1;
|
|
if (g_in_file_copy)
|
|
{
|
|
format_id = CB_FORMAT_FILE;
|
|
g_strcpy(format_name, "FileGroupDescriptorW");
|
|
}
|
|
else
|
|
{
|
|
format_id = CB_FORMAT_UNICODETEXT;
|
|
}
|
|
}
|
|
else if (lxevent->target == XA_STRING)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_notify: XA_STRING "
|
|
"data_size %d", data_size));
|
|
g_free(g_last_clip_data);
|
|
g_last_clip_data = 0;
|
|
g_last_clip_size = data_size;
|
|
g_last_clip_data = (char *) g_malloc(g_last_clip_size + 1, 0);
|
|
g_last_clip_type = XA_STRING;
|
|
g_memcpy(g_last_clip_data, data, g_last_clip_size);
|
|
g_last_clip_data[g_last_clip_size] = 0;
|
|
send_format_announce = 1;
|
|
format_id = CB_FORMAT_UNICODETEXT;
|
|
}
|
|
else if (lxevent->target == g_image_bmp_atom)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_notify: image/bmp "
|
|
"data_size %d", data_size));
|
|
g_free(g_last_clip_data);
|
|
g_last_clip_data = 0;
|
|
g_last_clip_size = data_size;
|
|
g_last_clip_data = (char *) g_malloc(data_size, 0);
|
|
g_last_clip_type = g_image_bmp_atom;
|
|
g_memcpy(g_last_clip_data, data, data_size);
|
|
send_format_announce = 1;
|
|
format_id = CB_FORMAT_DIB;
|
|
g_strcpy(format_name, "image/bmp");
|
|
}
|
|
else
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_notify: "
|
|
"unknown target"));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_notify: "
|
|
"unknown selection"));
|
|
}
|
|
}
|
|
|
|
if (convert_to_file)
|
|
{
|
|
LLOGLN(10, ("convert_to_file and convert_to_utf8 set"));
|
|
XConvertSelection(g_display, g_clipboard_atom, g_utf8_atom,
|
|
g_clip_property_atom, g_wnd, lxevent->time);
|
|
g_in_file_copy = 1;
|
|
}
|
|
else if (convert_to_utf8)
|
|
{
|
|
XConvertSelection(g_display, g_clipboard_atom, g_utf8_atom,
|
|
g_clip_property_atom, g_wnd, lxevent->time);
|
|
}
|
|
else if (convert_to_string)
|
|
{
|
|
XConvertSelection(g_display, g_clipboard_atom, XA_STRING,
|
|
g_clip_property_atom, g_wnd, lxevent->time);
|
|
}
|
|
else if (convert_to_bmp_image)
|
|
{
|
|
XConvertSelection(g_display, g_clipboard_atom, g_image_bmp_atom,
|
|
g_clip_property_atom, g_wnd, lxevent->time);
|
|
}
|
|
|
|
if (send_format_announce)
|
|
{
|
|
if (clipboard_send_format_announce(format_id, format_name) != 0)
|
|
{
|
|
rv = 4;
|
|
}
|
|
}
|
|
|
|
g_free(data);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error
|
|
process the SelectionRequest X event, uses XSelectionRequestEvent
|
|
typedef struct {
|
|
int type; // SelectionRequest
|
|
unsigned long serial; // # of last request processed by server
|
|
Bool send_event; // true if this came from a SendEvent request
|
|
Display *display; // Display the event was read from
|
|
Window owner;
|
|
Window requestor;
|
|
Atom selection;
|
|
Atom target;
|
|
Atom property;
|
|
Time time;
|
|
} XSelectionRequestEvent; */
|
|
/*
|
|
* When XGetWindowProperty and XChangeProperty talk about "format 32" it
|
|
* doesn't mean a 32bit value, but actually a long. So 32 means 4 bytes on
|
|
* a 32bit machine and 8 bytes on a 64 machine
|
|
*/
|
|
static int APP_CC
|
|
clipboard_event_selection_request(XEvent *xevent)
|
|
{
|
|
XSelectionRequestEvent *lxev;
|
|
XEvent xev;
|
|
Atom atom_buf[10];
|
|
Atom type;
|
|
int fmt;
|
|
int n_items;
|
|
int xdata_size;
|
|
char *xdata;
|
|
|
|
lxev = (XSelectionRequestEvent *)xevent;
|
|
LLOGLN(10, ("clipboard_event_selection_request: %p", lxev->property));
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: g_wnd %d, "
|
|
".requestor %d .owner %d .selection %d '%s' .target %d .property %d",
|
|
g_wnd, lxev->requestor, lxev->owner, lxev->selection,
|
|
XGetAtomName(g_display, lxev->selection),
|
|
lxev->target, lxev->property));
|
|
|
|
if (lxev->property == None)
|
|
{
|
|
LLOGLN(10, ("clipboard_event_selection_request: lxev->property "
|
|
"is None"));
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: "
|
|
"lxev->property is None"));
|
|
}
|
|
else if (lxev->target == g_targets_atom)
|
|
{
|
|
LLOGLN(10, ("clipboard_event_selection_request: g_targets_atom"));
|
|
/* requestor is asking what the selection can be converted to */
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: "
|
|
"g_targets_atom"));
|
|
atom_buf[0] = g_targets_atom;
|
|
atom_buf[1] = g_timestamp_atom;
|
|
atom_buf[2] = g_multiple_atom;
|
|
atom_buf[3] = XA_STRING;
|
|
atom_buf[4] = g_utf8_atom;
|
|
atom_buf[5] = g_image_bmp_atom;
|
|
atom_buf[6] = 0;
|
|
return clipboard_provide_selection(lxev, XA_ATOM, 32, (char *)atom_buf, 6);
|
|
}
|
|
else if (lxev->target == g_timestamp_atom)
|
|
{
|
|
/* requestor is asking the time I got the selection */
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: "
|
|
"g_timestamp_atom"));
|
|
atom_buf[0] = g_selection_time;
|
|
atom_buf[1] = 0;
|
|
return clipboard_provide_selection(lxev, XA_INTEGER, 32, (char *)atom_buf, 1);
|
|
}
|
|
else if (lxev->target == g_multiple_atom)
|
|
{
|
|
/* target, property pairs */
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: "
|
|
"g_multiple_atom"));
|
|
|
|
if (clipboard_get_window_property(xev.xselection.requestor,
|
|
xev.xselection.property,
|
|
&type, &fmt, &n_items, &xdata,
|
|
&xdata_size) == 0)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: g_multiple_atom "
|
|
"n_items %d", n_items));
|
|
/* todo */
|
|
g_free(xdata);
|
|
}
|
|
}
|
|
else if ((lxev->target == XA_STRING) || (lxev->target == g_utf8_atom))
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_request: %s",
|
|
XGetAtomName(g_display, lxev->target)));
|
|
g_clipboard_format_id = CB_FORMAT_UNICODETEXT;
|
|
|
|
if (g_data_in_up_to_date)
|
|
{
|
|
return clipboard_provide_selection(lxev, lxev->target, 8,
|
|
g_data_in, g_strlen(g_data_in));
|
|
}
|
|
|
|
if (g_selection_request_event_count > 10)
|
|
{
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_request: error, "
|
|
"too many requests"));
|
|
}
|
|
else
|
|
{
|
|
g_memcpy(&(g_selection_request_event[g_selection_request_event_count]),
|
|
lxev, sizeof(g_selection_request_event[0]));
|
|
|
|
if (g_selection_request_event_count == 0)
|
|
{
|
|
clipboard_send_data_request();
|
|
g_waiting_for_data_response = 1;
|
|
g_waiting_for_data_response_time = xcommon_get_local_time();
|
|
}
|
|
|
|
g_selection_request_event_count++;
|
|
return 0;
|
|
}
|
|
}
|
|
else if (lxev->target == g_image_bmp_atom)
|
|
{
|
|
g_memcpy(&g_saved_selection_req_event, lxev,
|
|
sizeof(g_saved_selection_req_event));
|
|
g_last_clip_type = g_image_bmp_atom;
|
|
g_want_image_data = 1;
|
|
g_clipboard_format_id = CB_FORMAT_DIB;
|
|
clipboard_send_data_request();
|
|
g_waiting_for_data_response = 1;
|
|
g_waiting_for_data_response_time = clipboard_get_local_time();
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
LLOGLN(10, ("clipboard_event_selection_request: unknown "
|
|
"target %s", XGetAtomName(g_display, lxev->target)));
|
|
LOGM((LOG_LEVEL_ERROR, "clipboard_event_selection_request: unknown "
|
|
"target %s", XGetAtomName(g_display, lxev->target)));
|
|
}
|
|
|
|
clipboard_refuse_selection(lxev);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error
|
|
process the SelectionClear X event, uses XSelectionClearEvent
|
|
typedef struct {
|
|
int type; // SelectionClear
|
|
unsigned long serial; // # of last request processed by server
|
|
Bool send_event; // true if this came from a SendEvent request
|
|
Display *display; // Display the event was read from
|
|
Window window;
|
|
Atom selection;
|
|
Time time;
|
|
} XSelectionClearEvent; */
|
|
static int APP_CC
|
|
clipboard_event_selection_clear(XEvent *xevent)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_selection_clear:"));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error
|
|
typedef struct {
|
|
int type; // PropertyNotify
|
|
unsigned long serial; // # of last request processed by server
|
|
Bool send_event; // true if this came from a SendEvent request
|
|
Display *display; // Display the event was read from
|
|
Window window;
|
|
Atom atom;
|
|
Time time;
|
|
int state; // PropertyNewValue or PropertyDelete
|
|
} XPropertyEvent; */
|
|
static int APP_CC
|
|
clipboard_event_property_notify(XEvent *xevent)
|
|
{
|
|
Atom actual_type_return;
|
|
int actual_format_return;
|
|
unsigned long nitems_returned;
|
|
unsigned long bytes_left;
|
|
unsigned char *data;
|
|
int rv;
|
|
int format_in_bytes;
|
|
int new_data_len;
|
|
char *cptr;
|
|
char format_name[32];
|
|
|
|
LOG(10, ("clipboard_check_wait_objs: PropertyNotify .window %d "
|
|
".state %d .atom %d", xevent->xproperty.window,
|
|
xevent->xproperty.state, xevent->xproperty.atom));
|
|
|
|
if (g_incr_in_progress &&
|
|
(xevent->xproperty.atom == g_incr_atom_type) &&
|
|
(xevent->xproperty.state == PropertyNewValue))
|
|
{
|
|
rv = XGetWindowProperty(g_display, g_wnd, g_incr_atom_type, 0, 0, 0,
|
|
AnyPropertyType, &actual_type_return, &actual_format_return,
|
|
&nitems_returned, &bytes_left, (unsigned char **) &data);
|
|
|
|
if (data != 0)
|
|
{
|
|
XFree(data);
|
|
data = 0;
|
|
}
|
|
|
|
if (bytes_left <= 0)
|
|
{
|
|
LOGM((LOG_LEVEL_DEBUG, "clipboard_event_property_notify: INCR done"));
|
|
g_memset(format_name, 0, 32);
|
|
/* clipboard INCR cycle has completed */
|
|
g_incr_in_progress = 0;
|
|
g_last_clip_size = g_incr_data_size;
|
|
g_last_clip_data = g_incr_data;
|
|
g_incr_data = 0;
|
|
g_last_clip_type = g_incr_atom_target;
|
|
|
|
if (g_incr_atom_target == g_image_bmp_atom)
|
|
{
|
|
g_snprintf(format_name, 31, "image/bmp");
|
|
clipboard_send_format_announce(CB_FORMAT_DIB, format_name);
|
|
}
|
|
|
|
XDeleteProperty(g_display, g_wnd, g_incr_atom_type);
|
|
}
|
|
else
|
|
{
|
|
rv = XGetWindowProperty(g_display, g_wnd, g_incr_atom_type, 0, bytes_left, 0,
|
|
AnyPropertyType, &actual_type_return, &actual_format_return,
|
|
&nitems_returned, &bytes_left, (unsigned char **) &data);
|
|
|
|
format_in_bytes = actual_format_return / 8;
|
|
|
|
if ((actual_format_return == 32) && (sizeof(long) == 8))
|
|
{
|
|
/* on a 64 bit machine, actual_format_return of 32 implies long */
|
|
format_in_bytes = 8;
|
|
}
|
|
|
|
new_data_len = nitems_returned * format_in_bytes;
|
|
cptr = (char *) g_malloc(g_incr_data_size + new_data_len, 0);
|
|
g_memcpy(cptr, g_incr_data, g_incr_data_size);
|
|
g_free(g_incr_data);
|
|
|
|
if (cptr == NULL)
|
|
{
|
|
g_incr_data = 0;
|
|
|
|
/* cannot add any more data */
|
|
if (data != 0)
|
|
{
|
|
XFree(data);
|
|
}
|
|
|
|
XDeleteProperty(g_display, g_wnd, g_incr_atom_type);
|
|
return 0;
|
|
}
|
|
|
|
g_incr_data = cptr;
|
|
g_memcpy(g_incr_data + g_incr_data_size, data, new_data_len);
|
|
g_incr_data_size += new_data_len;
|
|
|
|
if (data)
|
|
{
|
|
XFree(data);
|
|
}
|
|
|
|
XDeleteProperty(g_display, g_wnd, g_incr_atom_type);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns 0, event handled, 1 unhandled */
|
|
int APP_CC
|
|
clipboard_xevent(void *xevent)
|
|
{
|
|
XEvent *lxevent;
|
|
|
|
if (!g_clip_up)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
lxevent = (XEvent *)xevent;
|
|
|
|
switch (lxevent->type)
|
|
{
|
|
case SelectionNotify:
|
|
clipboard_event_selection_notify(lxevent);
|
|
break;
|
|
case SelectionRequest:
|
|
clipboard_event_selection_request(lxevent);
|
|
break;
|
|
case SelectionClear:
|
|
clipboard_event_selection_clear(lxevent);
|
|
break;
|
|
case MappingNotify:
|
|
break;
|
|
case PropertyNotify:
|
|
clipboard_event_property_notify(lxevent);
|
|
break;
|
|
case UnmapNotify:
|
|
LOG(0, ("chansrv::clipboard_xevent: got UnmapNotify"));
|
|
break;
|
|
case ClientMessage:
|
|
LOG(0, ("chansrv::clipboard_xevent: got ClientMessage"));
|
|
break;
|
|
default:
|
|
|
|
if (lxevent->type == g_xfixes_event_base +
|
|
XFixesSetSelectionOwnerNotify)
|
|
{
|
|
LLOGLN(0, ("clipboard_xevent: got XFixesSetSelectionOwnerNotify"));
|
|
clipboard_event_selection_owner_notify(lxevent);
|
|
break;
|
|
}
|
|
|
|
/* we didn't handle this message */
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|