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@ -15,18 +15,375 @@
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2009
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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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*/
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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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static Display* g_display = 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 int g_x_socket = 0;
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static tbus g_x_wait_obj = 0;
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static int g_clip_up = 0;
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static Window g_wnd = 0;
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static Screen* g_screen = 0;
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static int g_screen_num = 0;
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static int g_xfixes_event_base = 0;
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static int g_sck_closed = 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_got_selection = 0; /* boolean */
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static Time g_selection_time = 0;
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extern int g_cliprdr_chan_id; /* in chansrv.c */
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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 Time APP_CC
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clipboard_get_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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if (g_clip_up)
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{
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return 0;
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}
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rv = 0;
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g_sleep(500);
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g_display = XOpenDisplay(0);
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if (g_display == 0)
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{
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g_writeln("xrdp-chansrv: clipboard_init: XOpenDisplay failed");
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rv = 1;
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}
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if (rv == 0)
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{
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g_x_socket = XConnectionNumber(g_display);
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if (g_x_socket == 0)
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{
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g_writeln("xrdp-chansrv: clipboard_init: XConnectionNumber failed");
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rv = 2;
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}
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g_x_wait_obj = g_create_wait_obj_from_socket(g_x_socket, 0);
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}
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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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g_writeln("xrdp-chansrv: 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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g_writeln("xrdp-chansrv: 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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g_writeln("xrdp-chansrv: 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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g_writeln("xrdp-chansrv: clipboard_init st %d, maj %d min %d",
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st, ver_maj, ver_min);
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g_screen_num = DefaultScreen(g_display);
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g_screen = ScreenOfDisplay(g_display, g_screen_num);
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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_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_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;
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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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if (rv == 0)
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{
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make_stream(s);
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init_stream(s, 8192);
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out_uint16_le(s, 1); /* CLIPRDR_CONNECT */
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out_uint16_le(s, 0); /* 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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g_writeln("xrdp-chansrv: clipboard_init: data out, sending "
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"CLIPRDR_CONNECT (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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g_writeln("xrdp-chansrv: 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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free_stream(s);
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}
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if (rv == 0)
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{
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g_clip_up = 1;
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g_writeln("xrdp-chansrv: clipboard_init: dumping env");
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g_system("env");
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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_clip_up)
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{
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return 0;
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}
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if (!g_sck_closed)
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{
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g_delete_wait_obj_from_socket(g_x_wait_obj);
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g_x_wait_obj = 0;
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XDestroyWindow(g_display, g_wnd);
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g_wnd = 0;
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XCloseDisplay(g_display);
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g_display = 0;
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g_x_socket = 0;
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g_sck_closed = 1;
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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_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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int num_chars;
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g_writeln("xrdp-chansrv: clipboard_send_data_request:");
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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, 0x0d);
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s_mark_end(s);
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size = (int)(s->end - s->data);
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g_writeln("xrdp-chansrv: 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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g_writeln("xrdp-chansrv: 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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static int APP_CC
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clipboard_send_format_announce(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, 2); /* CLIPRDR_FORMAT_ANNOUNCE */
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out_uint16_le(s, 0); /* status */
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out_uint32_le(s, 0x90); /* length */
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out_uint32_le(s, 0x0d); /* extra 4 bytes ? */
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out_uint8s(s, 0x90);
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s_mark_end(s);
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size = (int)(s->end - s->data);
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g_writeln("xrdp-chansrv: clipboard_send_format_announce: data out, sending "
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"CLIPRDR_FORMAT_ANNOUNCE (clip_msg_id = 2)");
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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)
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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 = 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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static int APP_CC
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clipboard_send_data_response(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 num_chars;
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g_writeln("xrdp-chansrv: clipboard_send_data_response:");
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num_chars = 0;
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if (g_last_clip_type == XA_STRING)
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{
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num_chars = g_mbstowcs(0, g_last_clip_data, 1024);
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if (num_chars < 0)
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{
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g_writeln("xrdp-chansrv: clipboard_send_data_response: bad string");
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num_chars = 0;
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}
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}
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make_stream(s);
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init_stream(s, 8192);
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out_uint16_le(s, 5); /* CLIPRDR_DATA_RESPONSE */
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out_uint16_le(s, 1); /* status */
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out_uint32_le(s, num_chars * 2 + 2); /* length */
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if (clipboard_out_unicode(s, g_last_clip_data, num_chars) != num_chars * 2)
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{
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g_writeln("xrdp-chansrv: clipboard_send_data_response: error "
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"clipboard_out_unicode didn't write right number of bytes");
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}
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|
|
|
out_uint16_le(s, 0); /* nil for string */
|
|
|
|
|
out_uint32_le(s, 0);
|
|
|
|
|
s_mark_end(s);
|
|
|
|
|
size = (int)(s->end - s->data);
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_send_format_announce: data out, sending "
|
|
|
|
|
"CLIPRDR_DATA_RESPONSE (clip_msg_id = 5)");
|
|
|
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
|
|
|
free_stream(s);
|
|
|
|
|
return rv;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_process_format_announce(struct stream* s)
|
|
|
|
|
{
|
|
|
|
|
Time now;
|
|
|
|
|
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_format_announce:");
|
|
|
|
|
g_hexdump(s->p, s->end - s->p);
|
|
|
|
|
clipboard_send_format_ack();
|
|
|
|
|
g_writeln("------------------------------");
|
|
|
|
|
now = clipboard_get_time();
|
|
|
|
|
XSetSelectionOwner(g_display, g_clipboard_atom, g_wnd, now);
|
|
|
|
|
//XSetSelectionOwner(g_display, g_primary_atom, g_wnd, CurrentTime);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_prcoess_format_ack(struct stream* s)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_prcoess_format_ack:");
|
|
|
|
|
g_hexdump(s->p, s->end - s->p);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_process_data_request(struct stream* s)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_data_request:");
|
|
|
|
|
g_hexdump(s->p, s->end - s->p);
|
|
|
|
|
clipboard_send_data_response();
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_process_data_response(struct stream* s)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_data_response:");
|
|
|
|
|
g_hexdump(s->p, s->end - s->p);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -35,19 +392,372 @@ 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;
|
|
|
|
|
|
|
|
|
|
in_uint16_le(s, clip_msg_id);
|
|
|
|
|
in_uint16_le(s, clip_msg_status);
|
|
|
|
|
in_uint32_le(s, clip_msg_len);
|
|
|
|
|
g_writeln("xrdp-chansrv: 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;
|
|
|
|
|
switch (clip_msg_id)
|
|
|
|
|
{
|
|
|
|
|
case 2: /* CLIPRDR_FORMAT_ANNOUNCE */
|
|
|
|
|
rv = clipboard_process_format_announce(s);
|
|
|
|
|
break;
|
|
|
|
|
case 3: /* CLIPRDR_FORMAT_ACK */
|
|
|
|
|
rv = clipboard_prcoess_format_ack(s);
|
|
|
|
|
break;
|
|
|
|
|
case 4: /* CLIPRDR_DATA_REQUEST */
|
|
|
|
|
rv = clipboard_process_data_request(s);
|
|
|
|
|
break;
|
|
|
|
|
case 5: /* CLIPRDR_DATA_RESPONSE */
|
|
|
|
|
rv = clipboard_process_data_response(s);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_data_in: unknown clip_msg_id %d",
|
|
|
|
|
clip_msg_id);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return rv;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_process_selection_owner_notify(XEvent* xevent)
|
|
|
|
|
{
|
|
|
|
|
XFixesSelectionNotifyEvent* lxevent;
|
|
|
|
|
|
|
|
|
|
lxevent = (XFixesSelectionNotifyEvent*)xevent;
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_owner_notify: "
|
|
|
|
|
"window %d subtype %d owner %d",
|
|
|
|
|
lxevent->window, lxevent->subtype, lxevent->owner);
|
|
|
|
|
if (lxevent->subtype == 0)
|
|
|
|
|
{
|
|
|
|
|
XConvertSelection(g_display, g_clipboard_atom, XA_STRING,
|
|
|
|
|
g_clip_property_atom, g_wnd, CurrentTime);
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
/* returns error
|
|
|
|
|
get a window property from g_wnd */
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_get_window_property(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);
|
|
|
|
|
XFree(lxdata);
|
|
|
|
|
if (ltype == 0)
|
|
|
|
|
{
|
|
|
|
|
/* XGetWindowProperty failed */
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
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 */
|
|
|
|
|
XFree(lxdata);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
lxdata_size = (lfmt / 8) * ln_items;
|
|
|
|
|
if (lxdata_size < 1)
|
|
|
|
|
{
|
|
|
|
|
/* should not happen */
|
|
|
|
|
XFree(lxdata);
|
|
|
|
|
return 2;
|
|
|
|
|
}
|
|
|
|
|
if (llen_after > 0)
|
|
|
|
|
{
|
|
|
|
|
/* should not happen */
|
|
|
|
|
XFree(lxdata);
|
|
|
|
|
return 3;
|
|
|
|
|
}
|
|
|
|
|
if (xdata != 0)
|
|
|
|
|
{
|
|
|
|
|
*xdata = (char*)g_malloc(lxdata_size, 0);
|
|
|
|
|
g_memcpy(*xdata, lxdata, lxdata_size);
|
|
|
|
|
}
|
|
|
|
|
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_process_selection_notify(XEvent* xevent)
|
|
|
|
|
{
|
|
|
|
|
XSelectionEvent* lxevent;
|
|
|
|
|
char* data;
|
|
|
|
|
int data_size;
|
|
|
|
|
int n_items;
|
|
|
|
|
int fmt;
|
|
|
|
|
int rv;
|
|
|
|
|
Atom type;
|
|
|
|
|
|
|
|
|
|
rv = 0;
|
|
|
|
|
data = 0;
|
|
|
|
|
type = 0;
|
|
|
|
|
lxevent = (XSelectionEvent*)xevent;
|
|
|
|
|
if (lxevent->property == None)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_notify: clip cound "
|
|
|
|
|
"not be converted");
|
|
|
|
|
rv = 1;
|
|
|
|
|
}
|
|
|
|
|
if (rv == 0)
|
|
|
|
|
{
|
|
|
|
|
rv = clipboard_get_window_property(lxevent->property, &type, &fmt,
|
|
|
|
|
&n_items, &data, &data_size);
|
|
|
|
|
if (rv != 0)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_notify: "
|
|
|
|
|
"clipboard_get_window_property failed error %d", rv);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (rv == 0)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_notify: got "
|
|
|
|
|
"not be converted");
|
|
|
|
|
if (type == XA_STRING)
|
|
|
|
|
{
|
|
|
|
|
g_free(g_last_clip_data);
|
|
|
|
|
g_last_clip_size = data_size;
|
|
|
|
|
g_last_clip_data = 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;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_notify: unknown "
|
|
|
|
|
"clipboard data type %d", type);
|
|
|
|
|
rv = 3;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
XDeleteProperty(g_display, g_wnd, g_clip_property_atom);
|
|
|
|
|
if (rv == 0)
|
|
|
|
|
{
|
|
|
|
|
if (clipboard_send_format_announce() != 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; */
|
|
|
|
|
static int APP_CC
|
|
|
|
|
clipboard_process_selection_request(XEvent* xevent)
|
|
|
|
|
{
|
|
|
|
|
XEvent xev;
|
|
|
|
|
XSelectionRequestEvent* lxevent;
|
|
|
|
|
|
|
|
|
|
lxevent = (XSelectionRequestEvent*)xevent;
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: g_wnd %d, "
|
|
|
|
|
".requestor %d .owner %d .select %d .target %d .property %d",
|
|
|
|
|
g_wnd, lxevent->requestor, lxevent->owner, lxevent->selection,
|
|
|
|
|
lxevent->target, lxevent->property);
|
|
|
|
|
/* requestor is asking what the selection can be converted to */
|
|
|
|
|
if (lxevent->target == g_targets_atom)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: g_targets_atom");
|
|
|
|
|
}
|
|
|
|
|
/* requestor is asking the time I got the selection */
|
|
|
|
|
else if (lxevent->target == g_timestamp_atom)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: g_timestamp_atom");
|
|
|
|
|
}
|
|
|
|
|
else if (lxevent->target == g_multiple_atom)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: g_multiple_atom");
|
|
|
|
|
}
|
|
|
|
|
else if (lxevent->target == XA_STRING)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: XA_STRING");
|
|
|
|
|
//XChangeProperty(g_display, lxevent->requestor, lxevent->property,
|
|
|
|
|
// XA_STRING, 8, PropModeReplace, "tes", 4);
|
|
|
|
|
//xev.xselection.property = lxevent->property;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_request: unknown "
|
|
|
|
|
"target %s", XGetAtomName(g_display, lxevent->target));
|
|
|
|
|
}
|
|
|
|
|
g_memset(&xev, 0, sizeof(xev));
|
|
|
|
|
xev.xselection.type = SelectionNotify;
|
|
|
|
|
xev.xselection.serial = 0;
|
|
|
|
|
xev.xselection.send_event = True;
|
|
|
|
|
xev.xselection.requestor = lxevent->requestor;
|
|
|
|
|
xev.xselection.selection = lxevent->selection;
|
|
|
|
|
xev.xselection.target = lxevent->target;
|
|
|
|
|
xev.xselection.property = None;
|
|
|
|
|
xev.xselection.time = lxevent->time;
|
|
|
|
|
XSendEvent(g_display, lxevent->requestor, False, NoEventMask, &xev);
|
|
|
|
|
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_process_selection_clear(XEvent* xevent)
|
|
|
|
|
{
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_process_selection_clear:");
|
|
|
|
|
g_got_selection = 0;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
/* returns error
|
|
|
|
|
this is called to get any wait objects for the main loop
|
|
|
|
|
timeout can be nil */
|
|
|
|
|
int APP_CC
|
|
|
|
|
clipboard_get_wait_objs(tbus* objs, int* count, int* timeout)
|
|
|
|
|
{
|
|
|
|
|
int lcount;
|
|
|
|
|
|
|
|
|
|
if ((!g_clip_up) || (objs == 0) || (count == 0))
|
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
if (g_sck_closed)
|
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
lcount = *count;
|
|
|
|
|
objs[lcount] = g_x_wait_obj;
|
|
|
|
|
lcount++;
|
|
|
|
|
*count = lcount;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
int APP_CC
|
|
|
|
|
clipboard_check_wait_objs(void)
|
|
|
|
|
{
|
|
|
|
|
XEvent xevent;
|
|
|
|
|
|
|
|
|
|
if (!g_clip_up)
|
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
if (g_sck_closed)
|
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
if (g_is_wait_obj_set(g_x_wait_obj))
|
|
|
|
|
{
|
|
|
|
|
if (XPending(g_display) < 1)
|
|
|
|
|
{
|
|
|
|
|
/* something is wrong, should not get here */
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_check_wait_objs: sck closed");
|
|
|
|
|
g_sck_closed = 1;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
while (XPending(g_display) > 0)
|
|
|
|
|
{
|
|
|
|
|
XNextEvent(g_display, &xevent);
|
|
|
|
|
switch (xevent.type)
|
|
|
|
|
{
|
|
|
|
|
case SelectionNotify:
|
|
|
|
|
clipboard_process_selection_notify(&xevent);
|
|
|
|
|
break;
|
|
|
|
|
case SelectionRequest:
|
|
|
|
|
clipboard_process_selection_request(&xevent);
|
|
|
|
|
break;
|
|
|
|
|
case SelectionClear:
|
|
|
|
|
clipboard_process_selection_clear(&xevent);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
if (xevent.type == g_xfixes_event_base +
|
|
|
|
|
XFixesSetSelectionOwnerNotify)
|
|
|
|
|
{
|
|
|
|
|
clipboard_process_selection_owner_notify(&xevent);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
g_writeln("xrdp-chansrv: clipboard_check_wait_objs type %d",
|
|
|
|
|
xevent.type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
jsorg71
15 years ago