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xrdp/sesman/chansrv/rail.c

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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2012
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
window manager info
http://www.freedesktop.org/wiki/Specifications/wm-spec
*/
#include <X11/Xlib.h>
#include "chansrv.h"
#include "rail.h"
#include "xcommon.h"
#include "log.h"
#include "os_calls.h"
#include "thread_calls.h"
#include "list.h"
extern int g_rail_chan_id; /* in chansrv.c */
extern int g_display_num; /* in chansrv.c */
extern char *g_exec_name; /* in chansrv.c */
extern tbus g_exec_event; /* in chansrv.c */
extern tbus g_exec_mutex; /* in chansrv.c */
extern tbus g_exec_sem; /* in chansrv.c */
extern Display *g_display; /* in xcommon.c */
extern Screen *g_screen; /* in xcommon.c */
extern Window g_root_window; /* in xcommon.c */
extern Atom g_wm_delete_window_atom; /* in xcommon.c */
extern Atom g_wm_protocols_atom; /* in xcommon.c */
extern Atom g_utf8_string; /* in xcommon.c */
extern Atom g_net_wm_name; /* in xcommon.c */
extern Atom g_wm_state; /* in xcommon.c */
int g_rail_up = 0;
/* for rail_is_another_wm_running */
static int g_rail_running = 1;
/* list of valid rail windows */
static struct list* g_window_list = 0;
/* Indicates a Client Execute PDU from client to server. */
#define TS_RAIL_ORDER_EXEC 0x0001
/* Indicates a Client Activate PDU from client to server. */
#define TS_RAIL_ORDER_ACTIVATE 0x0002
/* Indicates a Client System Parameters Update PDU from client
to server or a Server System Parameters Update PDU
from server to client. */
#define TS_RAIL_ORDER_SYSPARAM 0x0003
/* Indicates a Client System Command PDU from client to server. */
#define TS_RAIL_ORDER_SYSCOMMAND 0x0004
/* Indicates a bi-directional Handshake PDU. */
#define TS_RAIL_ORDER_HANDSHAKE 0x0005
/* Indicates a Client Notify Event PDU from client to server. */
#define TS_RAIL_ORDER_NOTIFY_EVENT 0x0006
/* Indicates a Client Window Move PDU from client to server. */
#define TS_RAIL_ORDER_WINDOWMOVE 0x0008
/* Indicates a Server Move/Size Start PDU and a Server Move/Size
End PDU from server to client. */
#define TS_RAIL_ORDER_LOCALMOVESIZE 0x0009
/* Indicates a Server Min Max Info PDU from server to client. */
#define TS_RAIL_ORDER_MINMAXINFO 0x000a
/* Indicates a Client Information PDU from client to server. */
#define TS_RAIL_ORDER_CLIENTSTATUS 0x000b
/* Indicates a Client System Menu PDU from client to server. */
#define TS_RAIL_ORDER_SYSMENU 0x000c
/* Indicates a Server Language Bar Information PDU from server to
client, or a Client Language Bar Information PDU from client to server. */
#define TS_RAIL_ORDER_LANGBARINFO 0x000d
/* Indicates a Server Execute Result PDU from server to client. */
#define TS_RAIL_ORDER_EXEC_RESULT 0x0080
/* Indicates a Client Get Application ID PDU from client to server. */
#define TS_RAIL_ORDER_GET_APPID_REQ 0x000E
/* Indicates a Server Get Application ID Response PDU from
server to client. */
#define TS_RAIL_ORDER_GET_APPID_RESP 0x000F
/* Resize the window. */
#define SC_SIZE 0xF000
/* Move the window. */
#define SC_MOVE 0xF010
/* Minimize the window. */
#define SC_MINIMIZE 0xF020
/* Maximize the window. */
#define SC_MAXIMIZE 0xF030
/* Close the window. */
#define SC_CLOSE 0xF060
/* The ALT + SPACE key combination was pressed; display
the window's system menu. */
#define SC_KEYMENU 0xF100
/* Restore the window to its original shape and size. */
#define SC_RESTORE 0xF120
/* Perform the default action of the window's system menu. */
#define SC_DEFAULT 0xF160
/* for tooltips */
#define RAIL_STYLE_TOOLTIP (0x80000000)
#define RAIL_EXT_STYLE_TOOLTIP (0x00000080 | 0x00000008)
/* for normal desktop windows */
#define RAIL_STYLE_NORMAL (0x00C00000 | 0x00080000 | 0x00040000 | 0x00010000 | 0x00020000)
#define RAIL_EXT_STYLE_NORMAL (0x00040000)
/* for dialogs */
#define RAIL_STYLE_DIALOG (0x80000000)
#define RAIL_EXT_STYLE_DIALOG (0x00040000)
static int APP_CC rail_win_get_state(Window win);
static int APP_CC rail_create_window(Window window_id, Window parent_id);
static int APP_CC rail_win_set_state(Window win, unsigned long state);
static int APP_CC rail_show_window(Window window_id, int show_state);
static int APP_CC rail_win_send_text(Window win);
/******************************************************************************/
static int APP_CC
is_window_valid_child_of_root(unsigned int window_id)
{
int found;
unsigned int i;
unsigned int nchild;
Window r;
Window p;
Window *children;
found = 0;
XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild);
for (i = 0; i < nchild; i++)
{
if (window_id == children[i])
{
found = 1;
break;
}
}
XFree(children);
return found;
}
/*****************************************************************************/
static int APP_CC
rail_send_init(void)
{
struct stream *s;
int bytes;
char *size_ptr;
LOG(10, ("chansrv::rail_send_init:"));
make_stream(s);
init_stream(s, 8182);
out_uint16_le(s, TS_RAIL_ORDER_HANDSHAKE);
size_ptr = s->p;
out_uint16_le(s, 0); /* size, set later */
out_uint32_le(s, 1); /* build number */
s_mark_end(s);
bytes = (int)((s->end - s->data) - 4);
size_ptr[0] = bytes;
size_ptr[1] = bytes >> 8;
bytes = (int)(s->end - s->data);
send_channel_data(g_rail_chan_id, s->data, bytes);
free_stream(s);
return 0;
}
/******************************************************************************/
static int DEFAULT_CC
anotherWMRunning(Display *display, XErrorEvent *xe)
{
g_rail_running = 0;
return -1;
}
/******************************************************************************/
static int APP_CC
rail_is_another_wm_running(void)
{
XErrorHandler old;
g_rail_running = 1;
old = XSetErrorHandler((XErrorHandler)anotherWMRunning);
XSelectInput(g_display, g_root_window,
PropertyChangeMask | StructureNotifyMask |
SubstructureRedirectMask | ButtonPressMask |
SubstructureNotifyMask | FocusChangeMask |
EnterWindowMask | LeaveWindowMask);
XSync(g_display, 0);
XSetErrorHandler((XErrorHandler)old);
g_rail_up = g_rail_running;
if (!g_rail_up)
{
return 1;
}
return 0;
}
/*****************************************************************************/
int APP_CC
rail_init(void)
{
LOG(10, ("chansrv::rail_init:"));
xcommon_init();
if (rail_is_another_wm_running())
{
log_message(LOG_LEVEL_ERROR, "rail_init: another window manager "
"is running");
}
list_delete(g_window_list);
g_window_list = list_create();
rail_send_init();
g_rail_up = 1;
return 0;
}
/*****************************************************************************/
int APP_CC
rail_deinit(void)
{
if (g_rail_up)
{
list_delete(g_window_list);
g_window_list = 0;
/* no longer window manager */
XSelectInput(g_display, g_root_window, 0);
g_rail_up = 0;
}
return 0;
}
/*****************************************************************************/
static char *APP_CC
read_uni(struct stream *s, int num_chars)
{
twchar *rchrs;
char *rv;
int index;
int lchars;
rchrs = 0;
rv = 0;
if (num_chars > 0)
{
rchrs = (twchar *)g_malloc((num_chars + 1) * sizeof(twchar), 0);
for (index = 0; index < num_chars; index++)
{
in_uint16_le(s, rchrs[index]);
}
rchrs[num_chars] = 0;
lchars = g_wcstombs(0, rchrs, 0);
if (lchars > 0)
{
rv = (char *)g_malloc((lchars + 1) * 4, 0);
g_wcstombs(rv, rchrs, lchars);
rv[lchars] = 0;
}
}
g_free(rchrs);
return rv;
}
/*****************************************************************************/
static int APP_CC
rail_process_exec(struct stream *s, int size)
{
int flags;
int ExeOrFileLength;
int WorkingDirLength;
int ArgumentsLen;
char *ExeOrFile;
char *WorkingDir;
char *Arguments;
LOG(0, ("chansrv::rail_process_exec:"));
in_uint16_le(s, flags);
in_uint16_le(s, ExeOrFileLength);
in_uint16_le(s, WorkingDirLength);
in_uint16_le(s, ArgumentsLen);
ExeOrFile = read_uni(s, ExeOrFileLength);
WorkingDir = read_uni(s, WorkingDirLength);
Arguments = read_uni(s, ArgumentsLen);
LOG(10, (" flags 0x%8.8x ExeOrFileLength %d WorkingDirLength %d "
"ArgumentsLen %d ExeOrFile [%s] WorkingDir [%s] "
"Arguments [%s]", flags, ExeOrFileLength, WorkingDirLength,
ArgumentsLen, ExeOrFile, WorkingDir, Arguments));
if (g_strlen(ExeOrFile) > 0)
{
LOG(10, ("rail_process_exec: pre"));
/* ask main thread to fork */
tc_mutex_lock(g_exec_mutex);
g_exec_name = ExeOrFile;
g_set_wait_obj(g_exec_event);
tc_sem_dec(g_exec_sem);
tc_mutex_unlock(g_exec_mutex);
LOG(10, ("rail_process_exec: post"));
}
g_free(ExeOrFile);
g_free(WorkingDir);
g_free(Arguments);
return 0;
}
/*****************************************************************************/
static void APP_CC
rail_simulate_mouse_click(int button)
{
/*
* The below code can be referenced from:
* http://www.linuxquestions.org/questions/programming-9/simulating-a-mouse-click-594576/#post2936738
*/
XEvent event;
g_memset(&event, 0x00, sizeof(event));
event.type = ButtonPress;
event.xbutton.button = button;
event.xbutton.same_screen = True;
XQueryPointer(g_display, g_root_window, &event.xbutton.root,
&event.xbutton.window, &event.xbutton.x_root,
&event.xbutton.y_root, &event.xbutton.x,
&event.xbutton.y, &event.xbutton.state);
event.xbutton.subwindow = event.xbutton.window;
while(event.xbutton.subwindow)
{
event.xbutton.window = event.xbutton.subwindow;
XQueryPointer(g_display, event.xbutton.window, &event.xbutton.root,
&event.xbutton.subwindow, &event.xbutton.x_root,
&event.xbutton.y_root, &event.xbutton.x,
&event.xbutton.y, &event.xbutton.state);
}
if(XSendEvent(g_display, PointerWindow, True, 0xfff, &event) == 0)
{
LOG(0, (" error sending mouse event"));
}
XFlush(g_display);
usleep(100000);
event.type = ButtonRelease;
event.xbutton.state = 0x100;
if(XSendEvent(g_display, PointerWindow, True, 0xfff, &event) == 0)
{
LOG(0, (" error sending mouse event"));
}
XFlush(g_display);
}
/******************************************************************************/
static int APP_CC
rail_win_popdown(int window_id)
{
int rv = 0;
unsigned int i;
unsigned int nchild;
Window r;
Window p;
Window* children;
/*
* Check the tree of current existing X windows and dismiss
* the managed rail popups by simulating a mouse click, so
* that the requested window can be closed properly.
*/
XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild);
for (i = 0; i < nchild; i++)
{
XWindowAttributes window_attributes;
XGetWindowAttributes(g_display, children[i], &window_attributes);
if (window_attributes.override_redirect &&
window_attributes.map_state == IsViewable &&
list_index_of(g_window_list, children[i]) >= 0) {
LOG(0, (" dismiss pop up 0x%8.8x", children[i]));
rail_simulate_mouse_click(Button1);
rv = 1;
break;
}
}
XFree(children);
return rv;
}
/******************************************************************************/
static int APP_CC
rail_close_window(int window_id)
{
XEvent ce;
LOG(0, ("chansrv::rail_close_window:"));
if (rail_win_popdown(window_id))
{
return 0;
}
/* don't receive UnmapNotify for closing window */
XSelectInput(g_display, window_id, PropertyChangeMask);
g_memset(&ce, 0, sizeof(ce));
ce.xclient.type = ClientMessage;
ce.xclient.message_type = g_wm_protocols_atom;
ce.xclient.display = g_display;
ce.xclient.window = window_id;
ce.xclient.format = 32;
ce.xclient.data.l[0] = g_wm_delete_window_atom;
ce.xclient.data.l[1] = CurrentTime;
XSendEvent(g_display, window_id, False, NoEventMask, &ce);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_activate(struct stream *s, int size)
{
int window_id;
int enabled;
XWindowAttributes window_attributes;
LOG(10, ("chansrv::rail_process_activate:"));
in_uint32_le(s, window_id);
in_uint8(s, enabled);
LOG(10, (" window_id 0x%8.8x enabled %d", window_id, enabled));
XGetWindowAttributes(g_display, window_id, &window_attributes);
if (enabled)
{
if (window_attributes.map_state != IsViewable)
{
/* In case that window is unmapped upon minimization and not yet mapped*/
XMapWindow(g_display, window_id);
}
LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id));
XRaiseWindow(g_display, window_id);
LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id));
XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime);
} else {
XWindowAttributes window_attributes;
XGetWindowAttributes(g_display, window_id, &window_attributes);
LOG(10, (" window attributes: override_redirect %d",
window_attributes.override_redirect));
if (window_attributes.override_redirect) {
LOG(10, (" dismiss popup window 0x%8.8x", window_id));
XUnmapWindow(g_display, window_id);
}
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_restore_windows(void)
{
unsigned int i;
unsigned int nchild;
Window r;
Window p;
Window* children;
XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild);
for (i = 0; i < nchild; i++)
{
XWindowAttributes window_attributes;
XGetWindowAttributes(g_display, children[i], &window_attributes);
if (!window_attributes.override_redirect)
{
if (window_attributes.map_state == IsViewable)
{
rail_win_set_state(children[i], 0x0); /* WithdrawnState */
rail_create_window(children[i], g_root_window);
rail_win_set_state(children[i], 0x1); /* NormalState */
rail_win_send_text(children[i]);
}
}
}
XFree(children);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_system_param(struct stream *s, int size)
{
int system_param;
LOG(10, ("chansrv::rail_process_system_param:"));
in_uint32_le(s, system_param);
LOG(10, (" system_param 0x%8.8x", system_param));
/*
* Ask client to re-create the existing rail windows. This is supposed
* to be done after handshake and client is initialised properly, we
* consider client is ready when it sends "SET_WORKAREA" sysparam.
*/
if (system_param == 0x0000002F) /*SPI_SET_WORK_AREA*/
{
LOG(10, (" restore rail windows"));
rail_restore_windows();
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_get_property(Display* display, Window target, Atom type, Atom property,
unsigned char** data, unsigned long* count)
{
Atom atom_return;
int size;
unsigned long nitems, bytes_left;
char* prop_name;
int ret = XGetWindowProperty(display, target, property,
0l, 1l, False,
type, &atom_return, &size,
&nitems, &bytes_left, data);
if ((ret != Success || nitems < 1) && atom_return == None)
{
prop_name = XGetAtomName(g_display, property);
LOG(10, (" rail_get_property %s: failed", prop_name));
XFree(prop_name);
return 1;
}
if (bytes_left != 0)
{
XFree(*data);
unsigned long remain = ((size / 8) * nitems) + bytes_left;
ret = XGetWindowProperty(g_display, target,
property, 0l, remain, False,
atom_return, &atom_return, &size,
&nitems, &bytes_left, data);
if (ret != Success)
{
return 1;
}
}
*count = nitems;
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_win_get_state(Window win)
{
unsigned long nitems = 0;
int rv = -1;
char* data = 0;
rail_get_property(g_display, win, g_wm_state, g_wm_state,
(unsigned char **)&data,
&nitems);
if (data || nitems > 0)
{
rv = *(unsigned long *)data;
XFree(data);
LOG(10, (" rail_win_get_state: %d", rv));
}
return rv;
}
/*****************************************************************************/
static int APP_CC
rail_win_set_state(Window win, unsigned long state)
{
int old_state;
unsigned long data[2] = { state, None };
LOG(10, (" rail_win_set_state: %d", state));
/* check whether WM_STATE exists */
old_state = rail_win_get_state(win);
if (old_state == -1)
{
/* create WM_STATE property */
XChangeProperty(g_display, win, g_wm_state, g_wm_state, 32, PropModeAppend,
(unsigned char *)data, 2);
LOG(10, (" rail_win_set_state: create WM_STATE property"));
}
else
{
XChangeProperty(g_display, win, g_wm_state, g_wm_state, 32, PropModeReplace,
(unsigned char *)data, 2);
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_win_get_text(Window win, char **data)
{
int ret = 0;
int i = 0;
unsigned long nitems = 0;
ret = rail_get_property(g_display, win, g_utf8_string, g_net_wm_name,
(unsigned char **)data, &nitems);
if (ret != 0)
{
/* _NET_WM_NAME isn't set, use WM_NAME (XFetchName) instead */
XFetchName(g_display, win, data);
}
if (data)
{
char *ptr = *data;
for (; ptr != NULL; i++)
{
if (ptr[i] == '\0')
{
break;
}
}
}
return i;
}
/******************************************************************************/
static int APP_CC
rail_minmax_window(int window_id, int max)
{
LOG(10, ("chansrv::rail_minmax_window 0x%8.8x:", window_id));
if (max)
{
} else {
XUnmapWindow(g_display, window_id);
/* change window state to IconicState (3) */
rail_win_set_state(window_id, 0x3);
/*
* TODO dismiss popups opened so far
*/
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_restore_window(int window_id)
{
XWindowAttributes window_attributes;
LOG(10, ("chansrv::rail_restore_window 0x%8.8x:", window_id));
XGetWindowAttributes(g_display, window_id, &window_attributes);
if (window_attributes.map_state != IsViewable)
{
XMapWindow(g_display, window_id);
}
LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id));
XRaiseWindow(g_display, window_id);
LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id));
XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_system_command(struct stream *s, int size)
{
int window_id;
int command;
LOG(10, ("chansrv::rail_process_system_command:"));
in_uint32_le(s, window_id);
in_uint16_le(s, command);
switch (command)
{
case SC_SIZE:
LOG(10, (" window_id 0x%8.8x SC_SIZE", window_id));
break;
case SC_MOVE:
LOG(10, (" window_id 0x%8.8x SC_MOVE", window_id));
break;
case SC_MINIMIZE:
LOG(10, (" window_id 0x%8.8x SC_MINIMIZE", window_id));
rail_minmax_window(window_id, 0);
break;
case SC_MAXIMIZE:
LOG(10, (" window_id 0x%8.8x SC_MAXIMIZE", window_id));
break;
case SC_CLOSE:
LOG(10, (" window_id 0x%8.8x SC_CLOSE", window_id));
rail_close_window(window_id);
break;
case SC_KEYMENU:
LOG(10, (" window_id 0x%8.8x SC_KEYMENU", window_id));
break;
case SC_RESTORE:
LOG(10, (" window_id 0x%8.8x SC_RESTORE", window_id));
rail_restore_window(window_id);
break;
case SC_DEFAULT:
LOG(10, (" window_id 0x%8.8x SC_DEFAULT", window_id));
break;
default:
LOG(10, (" window_id 0x%8.8x unknown command command %d",
window_id, command));
break;
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_handshake(struct stream *s, int size)
{
int build_number;
LOG(10, ("chansrv::rail_process_handshake:"));
in_uint32_le(s, build_number);
LOG(10, (" build_number 0x%8.8x", build_number));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_notify_event(struct stream *s, int size)
{
int window_id;
int notify_id;
int message;
LOG(10, ("chansrv::rail_process_notify_event:"));
in_uint32_le(s, window_id);
in_uint32_le(s, notify_id);
in_uint32_le(s, message);
LOG(10, (" window_id 0x%8.8x notify_id 0x%8.8x message 0x%8.8x",
window_id, notify_id, message));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_window_move(struct stream *s, int size)
{
int window_id;
int left;
int top;
int right;
int bottom;
LOG(10, ("chansrv::rail_process_window_move:"));
in_uint32_le(s, window_id);
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, right);
in_uint16_le(s, bottom);
LOG(10, (" window_id 0x%8.8x left %d top %d right %d bottom %d width %d height %d",
window_id, left, top, right, bottom, right - left, bottom - top));
XMoveResizeWindow(g_display, window_id, left, top, right - left, bottom - top);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_local_move_size(struct stream *s, int size)
{
int window_id;
int is_move_size_start;
int move_size_type;
int pos_x;
int pos_y;
LOG(10, ("chansrv::rail_process_local_move_size:"));
in_uint32_le(s, window_id);
in_uint16_le(s, is_move_size_start);
in_uint16_le(s, move_size_type);
in_uint16_le(s, pos_x);
in_uint16_le(s, pos_y);
LOG(10, (" window_id 0x%8.8x is_move_size_start %d move_size_type %d "
"pos_x %d pos_y %d", window_id, is_move_size_start, move_size_type,
pos_x, pos_y));
return 0;
}
/*****************************************************************************/
/* server to client only */
static int APP_CC
rail_process_min_max_info(struct stream *s, int size)
{
LOG(10, ("chansrv::rail_process_min_max_info:"));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_client_status(struct stream *s, int size)
{
int flags;
LOG(10, ("chansrv::rail_process_client_status:"));
in_uint32_le(s, flags);
LOG(10, (" flags 0x%8.8x", flags));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_sys_menu(struct stream *s, int size)
{
int window_id;
int left;
int top;
LOG(10, ("chansrv::rail_process_sys_menu:"));
in_uint32_le(s, window_id);
in_uint16_le(s, left);
in_uint16_le(s, top);
LOG(10, (" window_id 0x%8.8x left %d top %d", window_id, left, top));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_lang_bar_info(struct stream *s, int size)
{
int language_bar_status;
LOG(10, ("chansrv::rail_process_lang_bar_info:"));
in_uint32_le(s, language_bar_status);
LOG(10, (" language_bar_status 0x%8.8x", language_bar_status));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_appid_req(struct stream *s, int size)
{
LOG(10, ("chansrv::rail_process_appid_req:"));
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_process_appid_resp(struct stream *s, int size)
{
LOG(10, ("chansrv::rail_process_appid_resp:"));
return 0;
}
/*****************************************************************************/
/* server to client only */
static int APP_CC
rail_process_exec_result(struct stream *s, int size)
{
LOG(10, ("chansrv::rail_process_exec_result:"));
return 0;
}
/*****************************************************************************/
/* data in from client ( client -> xrdp -> chansrv ) */
int APP_CC
rail_data_in(struct stream *s, int chan_id, int chan_flags, int length,
int total_length)
{
int code;
int size;
LOG(10, ("chansrv::rail_data_in:"));
in_uint8(s, code);
in_uint8s(s, 1);
in_uint16_le(s, size);
switch (code)
{
case TS_RAIL_ORDER_EXEC: /* 1 */
rail_process_exec(s, size);
break;
case TS_RAIL_ORDER_ACTIVATE: /* 2 */
rail_process_activate(s, size);
break;
case TS_RAIL_ORDER_SYSPARAM: /* 3 */
rail_process_system_param(s, size);
break;
case TS_RAIL_ORDER_SYSCOMMAND: /* 4 */
rail_process_system_command(s, size);
break;
case TS_RAIL_ORDER_HANDSHAKE: /* 5 */
rail_process_handshake(s, size);
break;
case TS_RAIL_ORDER_NOTIFY_EVENT: /* 6 */
rail_process_notify_event(s, size);
break;
case TS_RAIL_ORDER_WINDOWMOVE: /* 8 */
rail_process_window_move(s, size);
break;
case TS_RAIL_ORDER_LOCALMOVESIZE: /* 9 */
rail_process_local_move_size(s, size);
break;
case TS_RAIL_ORDER_MINMAXINFO: /* 10 */
rail_process_min_max_info(s, size);
break;
case TS_RAIL_ORDER_CLIENTSTATUS: /* 11 */
rail_process_client_status(s, size);
break;
case TS_RAIL_ORDER_SYSMENU: /* 12 */
rail_process_sys_menu(s, size);
break;
case TS_RAIL_ORDER_LANGBARINFO: /* 13 */
rail_process_lang_bar_info(s, size);
break;
case TS_RAIL_ORDER_GET_APPID_REQ: /* 14 */
rail_process_appid_req(s, size);
break;
case TS_RAIL_ORDER_GET_APPID_RESP: /* 15 */
rail_process_appid_resp(s, size);
break;
case TS_RAIL_ORDER_EXEC_RESULT: /* 128 */
rail_process_exec_result(s, size);
break;
default:
LOG(10, ("rail_data_in: unknown code %d size %d", code, size));
break;
}
XFlush(g_display);
return 0;
}
/*****************************************************************************/
/* returns 0, event handled, 1 unhandled */
static int APP_CC
rail_win_send_text(Window win) {
char* data = 0;
struct stream* s;
int len = 0;
int flags;
len = rail_win_get_text(win, &data);
if (data && len > 0) {
LOG(10, ("chansrv::rail_win_send_text: 0x%8.8x text %s length %d",
win, data, len));
make_stream(s);
init_stream(s, 1024);
flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_FIELD_TITLE;
out_uint32_le(s, 8); /* update title info */
out_uint32_le(s, win); /* window id */
out_uint32_le(s, flags); /* flags */
out_uint32_le(s, len); /* title size */
out_uint8a(s, data, len); /* title */
s_mark_end(s);
send_rail_drawing_orders(s->data, (int)(s->end - s->data));
free_stream(s);
XFree(data);
}
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_destroy_window(Window window_id)
{
LOG(10, ("chansrv::rail_destroy_window 0x%8.8x", window_id));
make_stream(s);
init_stream(s, 1024);
out_uint32_le(s, 4); /* destroy_window */
out_uint32_le(s, window_id);
s_mark_end(s);
send_rail_drawing_orders(s->data, (int)(s->end - s->data));
free_stream(s);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_show_window(Window window_id, int show_state)
{
int flags;
struct stream* s;
LOG(10, ("chansrv::rail_show_window 0x%8.8x 0x%x", window_id, show_state));
make_stream(s);
init_stream(s, 1024);
flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_FIELD_SHOW;
out_uint32_le(s, 6); /* show_window */
out_uint32_le(s, window_id); /* window_id */
out_uint32_le(s, flags); /* flags */
out_uint32_le(s, show_state); /* show_state */
s_mark_end(s);
send_rail_drawing_orders(s->data, (int)(s->end - s->data));
free_stream(s);
return 0;
}
/*****************************************************************************/
static int APP_CC
rail_create_window(Window window_id, Window parent_id)
{
int x;
int y;
tui32 width;
tui32 height;
tui32 border;
Window root;
tui32 depth;
char* title_bytes = 0;
int title_size = 0;
XWindowAttributes attributes;
int style;
int ext_style;
int num_window_rects = 1;
int num_visibility_rects = 1;
int i = 0;
int flags;
int index;
Window transient_for = 0;
struct stream* s;
LOG(10, ("chansrv::rail_create_window 0x%8.8x", window_id));
XGetGeometry(g_display, window_id, &root, &x, &y, &width, &height,
&border, &depth);
XGetWindowAttributes(g_display, window_id, &attributes);
LOG(10, (" x %d y %d width %d height %d border_width %d", x, y, width,
height, border));
index = list_index_of(g_window_list, window_id);
if (index == -1)
{
LOG(10, (" create new window"));
flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_STATE_NEW;
list_add_item(g_window_list, window_id);
}
else
{
LOG(10, (" update existing window"));
flags = WINDOW_ORDER_TYPE_WINDOW;
}
title_size = rail_win_get_text(window_id, &title_bytes);
XGetTransientForHint(g_display, window_id, &transient_for);
if (attributes.override_redirect)
{
style = RAIL_STYLE_TOOLTIP;
ext_style = RAIL_EXT_STYLE_TOOLTIP;
}
else if (transient_for > 0)
{
style = RAIL_STYLE_DIALOG;
ext_style = RAIL_EXT_STYLE_DIALOG;
parent_id = transient_for;
}
else
{
style = RAIL_STYLE_NORMAL;
ext_style = RAIL_EXT_STYLE_NORMAL;
}
make_stream(s);
init_stream(s, 1024);
out_uint32_le(s, 2); /* create_window */
out_uint32_le(s, window_id); /* window_id */
out_uint32_le(s, parent_id); /* owner_window_id */
flags |= WINDOW_ORDER_FIELD_OWNER;
out_uint32_le(s, style); /* style */
out_uint32_le(s, ext_style); /* extended_style */
flags |= WINDOW_ORDER_FIELD_STYLE;
out_uint32_le(s, 0x05); /* show_state */
flags |= WINDOW_ORDER_FIELD_SHOW;
if (title_size > 0)
{
out_uint16_le(s, title_size); /* title_size */
out_uint8a(s, title_bytes, title_size); /* title */
}
else
{
out_uint16_le(s, 5); /* title_size */
out_uint8a(s, "title", 5); /* title */
}
LOG(10, (" set title info %d", title_size));
flags |= WINDOW_ORDER_FIELD_TITLE;
out_uint32_le(s, 0); /* client_offset_x */
out_uint32_le(s, 0); /* client_offset_y */
flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET;
out_uint32_le(s, width); /* client_area_width */
out_uint32_le(s, height); /* client_area_height */
flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE;
out_uint32_le(s, 0); /* rp_content */
out_uint32_le(s, g_root_window); /* root_parent_handle */
flags |= WINDOW_ORDER_FIELD_ROOT_PARENT;
out_uint32_le(s, x); /* window_offset_x */
out_uint32_le(s, y); /* window_offset_y */
flags |= WINDOW_ORDER_FIELD_WND_OFFSET;
out_uint32_le(s, 0); /* window_client_delta_x */
out_uint32_le(s, 0); /* window_client_delta_y */
flags |= WINDOW_ORDER_FIELD_WND_CLIENT_DELTA;
out_uint32_le(s, width); /* window_width */
out_uint32_le(s, height); /* window_height */
flags |= WINDOW_ORDER_FIELD_WND_SIZE;
out_uint16_le(s, num_window_rects); /* num_window_rects */
for (i = 0; i < num_window_rects; i++)
{
out_uint16_le(s, 0); /* left */
out_uint16_le(s, 0); /* top */
out_uint16_le(s, width); /* right */
out_uint16_le(s, height); /* bottom */
}
flags |= WINDOW_ORDER_FIELD_WND_RECTS;
out_uint32_le(s, x); /* visible_offset_x */
out_uint32_le(s, y); /* visible_offset_y */
flags |= WINDOW_ORDER_FIELD_VIS_OFFSET;
out_uint16_le(s, num_visibility_rects); /* num_visibility_rects */
for (i = 0; i < num_visibility_rects; i++)
{
out_uint16_le(s, 0); /* left */
out_uint16_le(s, 0); /* top */
out_uint16_le(s, width); /* right */
out_uint16_le(s, height); /* bottom */
}
flags |= WINDOW_ORDER_FIELD_VISIBILITY;
out_uint32_le(s, flags); /*flags*/
s_mark_end(s);
send_rail_drawing_orders(s->data, (int)(s->end - s->data));
free_stream(s);
XFree(title_bytes);
return 0;
}
/*****************************************************************************/
/* returns 0, event handled, 1 unhandled */
int APP_CC
rail_configure_window(XConfigureEvent *config)
{
int x;
int y;
tui32 width;
tui32 height;
int num_window_rects = 1;
int num_visibility_rects = 1;
int i = 0;
int flags;
int index;
int window_id;
struct stream* s;
window_id = config->window;
LOG(10, ("chansrv::rail_configure_window 0x%8.8x", window_id));
LOG(10, (" x %d y %d width %d height %d border_width %d", config->x,
config->y, config->width, config->height, config->border_width));
index = list_index_of(g_window_list, window_id);
if (index == -1)
{
/* window isn't mapped yet */
return;
}
flags = WINDOW_ORDER_TYPE_WINDOW;
make_stream(s);
init_stream(s, 1024);
out_uint32_le(s, 10); /* configure_window */
out_uint32_le(s, window_id); /* window_id */
out_uint32_le(s, 0); /* client_offset_x */
out_uint32_le(s, 0); /* client_offset_y */
flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET;
out_uint32_le(s, config->width); /* client_area_width */
out_uint32_le(s, config->height); /* client_area_height */
flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE;
out_uint32_le(s, 0); /* rp_content */
out_uint32_le(s, g_root_window); /* root_parent_handle */
flags |= WINDOW_ORDER_FIELD_ROOT_PARENT;
out_uint32_le(s, config->x); /* window_offset_x */
out_uint32_le(s, config->y); /* window_offset_y */
flags |= WINDOW_ORDER_FIELD_WND_OFFSET;
out_uint32_le(s, 0); /* window_client_delta_x */
out_uint32_le(s, 0); /* window_client_delta_y */
flags |= WINDOW_ORDER_FIELD_WND_CLIENT_DELTA;
out_uint32_le(s, config->width); /* window_width */
out_uint32_le(s, config->height); /* window_height */
flags |= WINDOW_ORDER_FIELD_WND_SIZE;
out_uint16_le(s, num_window_rects); /* num_window_rects */
for (i = 0; i < num_window_rects; i++)
{
out_uint16_le(s, 0); /* left */
out_uint16_le(s, 0); /* top */
out_uint16_le(s, config->width); /* right */
out_uint16_le(s, config->height); /* bottom */
}
flags |= WINDOW_ORDER_FIELD_WND_RECTS;
out_uint32_le(s, config->x); /* visible_offset_x */
out_uint32_le(s, config->y); /* visible_offset_y */
flags |= WINDOW_ORDER_FIELD_VIS_OFFSET;
out_uint16_le(s, num_visibility_rects); /* num_visibility_rects */
for (i = 0; i < num_visibility_rects; i++)
{
out_uint16_le(s, 0); /* left */
out_uint16_le(s, 0); /* top */
out_uint16_le(s, config->width); /* right */
out_uint16_le(s, config->height); /* bottom */
}
flags |= WINDOW_ORDER_FIELD_VISIBILITY;
out_uint32_le(s, flags); /*flags*/
s_mark_end(s);
send_rail_drawing_orders(s->data, (int)(s->end - s->data));
free_stream(s);
return 0;
}
/*****************************************************************************/
/* returns 0, event handled, 1 unhandled */
int APP_CC
rail_xevent(void *xevent)
{
XEvent *lxevent;
XWindowChanges xwc;
int rv;
int index;
XWindowAttributes wnd_attributes;
char* prop_name;
LOG(10, ("chansrv::rail_xevent:"));
if (!g_rail_up)
{
return 1;
}
rv = 1;
lxevent = (XEvent *)xevent;
switch (lxevent->type)
{
case PropertyNotify:
prop_name = XGetAtomName(g_display, lxevent->xproperty.atom);
LOG(10, (" got PropertyNotify window_id 0x%8.8x %s state new %d",
lxevent->xproperty.window, prop_name,
lxevent->xproperty.state == PropertyNewValue));
if (g_strcmp(prop_name, "WM_NAME") == 0 ||
g_strcmp(prop_name, "_NET_WM_NAME") == 0)
{
XGetWindowAttributes(g_display, lxevent->xproperty.window, &wnd_attributes);
if (wnd_attributes.map_state == IsViewable)
{
rail_win_send_text(lxevent->xproperty.window);
rv = 0;
}
}
XFree(prop_name);
break;
case ConfigureRequest:
LOG(10, (" got ConfigureRequest window_id 0x%8.8x", lxevent->xconfigurerequest.window));
g_memset(&xwc, 0, sizeof(xwc));
xwc.x = lxevent->xconfigurerequest.x;
xwc.y = lxevent->xconfigurerequest.y;
xwc.width = lxevent->xconfigurerequest.width;
xwc.height = lxevent->xconfigurerequest.height;
xwc.border_width = lxevent->xconfigurerequest.border_width;
xwc.sibling = lxevent->xconfigurerequest.above;
xwc.stack_mode = lxevent->xconfigurerequest.detail;
XConfigureWindow(g_display,
lxevent->xconfigurerequest.window,
lxevent->xconfigurerequest.value_mask,
&xwc);
rv = 0;
break;
case CreateNotify:
LOG(10, (" got CreateNotify 0x%8.8x", lxevent->xcreatewindow.window));
break;
case DestroyNotify:
LOG(10, (" got DestroyNotify 0x%8.8x", lxevent->xdestroywindow.window));
index = list_index_of(g_window_list, lxevent->xdestroywindow.window);
if (index >= 0)
{
rail_destroy_window(lxevent->xdestroywindow.window);
list_remove_item(g_window_list, index);
}
v = 0;
break;
case MapRequest:
LOG(10, (" got MapRequest 0x%8.8x", lxevent->xmaprequest.window));
XSelectInput(g_display, lxevent->xmaprequest.window,
PropertyChangeMask | StructureNotifyMask);
XMapWindow(g_display, lxevent->xmaprequest.window);
break;
case MapNotify:
LOG(10, (" got MapNotify 0x%8.8x", lxevent->xmap.event));
if (lxevent->xmap.window != lxevent->xmap.event)
{
XGetWindowAttributes(g_display, lxevent->xmap.window, &wnd_attributes);
if (wnd_attributes.map_state == IsViewable)
{
rail_create_window(lxevent->xmap.window, lxevent->xmap.event);
if (!wnd_attributes.override_redirect)
{
rail_win_set_state(lxevent->xmap.window, 0x1); /* NormalState */
rail_win_send_text(lxevent->xmap.window);
}
rv = 0;
}
}
break;
case UnmapNotify:
LOG(10, (" got UnmapNotify 0x%8.8x", lxevent->xunmap.event));
if (lxevent->xunmap.window != lxevent->xunmap.event &&
is_window_valid_child_of_root(lxevent->xunmap.window))
{
int state = rail_win_get_state(lxevent->xunmap.window);
index = list_index_of(g_window_list, lxevent->xunmap.window);
LOG(10, (" window 0x%8.8x is unmapped", lxevent->xunmap.window));
if (index >= 0)
{
XGetWindowAttributes(g_display, lxevent->xunmap.window, &wnd_attributes);
if (wnd_attributes.override_redirect)
{
LOG(10, (" hide popup"));
rail_show_window(lxevent->xunmap.window, 0x0);
rv = 0;
}
}
}
break;
case ConfigureNotify:
LOG(10, (" got ConfigureNotify 0x%8.8x event 0x%8.8x", lxevent->xconfigure.window,
lxevent->xconfigure.event));
#if 0
if (lxevent->xconfigure.window != lxevent->xconfigure.event &&
!lxevent->xconfigure.override_redirect)
{
rail_configure_window(&lxevent->xconfigure);
rv = 0;
}
#endif
break;
case FocusIn:
LOG(10, (" got FocusIn"));
break;
case ButtonPress:
LOG(10, (" got ButtonPress"));
break;
case EnterNotify:
LOG(10, (" got EnterNotify"));
break;
case LeaveNotify:
LOG(10, (" got LeaveNotify"));
break;
}
return rv;
}
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