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//=============================================================================
//
// File : kvi_ipc.hcpp
// Creation date : Tue Apr 10 2001 15:04:45 by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 2001-2007 Szymon Stefanek (pragma at kvirc dot net)
//
// This program is FREE software. You can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your opinion) any later version.
//
// This program is distributed in the HOPE that it will be USEFUL,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, write to the Free Software Foundation,
// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================
#define __KVIRC__
#include "kvi_ipc.h"
#ifndef COMPILE_NO_IPC
#include "kvi_memmove.h"
#include "kvi_app.h"
#include "kvi_qstring.h"
#ifdef COMPILE_ON_WINDOWS
static HWND kvi_win_findIpcSentinel()
{
HWND hWnd = ::FindWindow(TQWIDGET_OBJECT_NAME_STRING,"[Non-Commercial] - kvirc_ipc_sentinel");
if(hWnd)return hWnd;
hWnd = ::FindWindow(TQWIDGET_OBJECT_NAME_STRING,"[Freeware] - kvirc_ipc_sentinel");
if(hWnd)return hWnd;
hWnd = ::FindWindow(TQWIDGET_OBJECT_NAME_STRING,"kvirc_ipc_sentinel");
return hWnd;
}
#else //!COMPILE_ON_WINDOWS
#ifndef COMPILE_NO_X
#include <X11/Xatom.h>
#include <unistd.h> // for getuid
#include <sys/types.h> // for getuid
#ifdef COMPILE_USE_QT4
#include <tqx11info_x11.h>
#define kvi_ipc_get_xdisplay QX11Info::display
#define kvi_ipc_get_xrootwin QX11Info::appRootWindow
#else
#define kvi_ipc_get_xdisplay tqt_xdisplay
#define kvi_ipc_get_xrootwin tqt_xrootwin
#endif
static Atom kvi_atom_ipc_sentinel_window;
static Atom kvi_atom_ipc_remote_command;
static Atom kvi_atom_ipc_remote_message;
static KviStr kvi_sentinel_id;
static bool g_bIpcAtomsLoaded = false;
static void kvi_ipcLoadAtoms()
{
if(g_bIpcAtomsLoaded)return;
g_bIpcAtomsLoaded = true;
kvi_sentinel_id.sprintf("tonno e mistero - %d",getuid());
kvi_atom_ipc_sentinel_window = XInternAtom(kvi_ipc_get_xdisplay(),"XA_KVI_IPC_SENTINEL_WINDOW",False);
kvi_atom_ipc_remote_command = XInternAtom(kvi_ipc_get_xdisplay(),"XA_KVI_IPC_REMOTE_COMMAND",False);
kvi_atom_ipc_remote_message = XInternAtom(kvi_ipc_get_xdisplay(),"XA_KVI_IPC_REMOTE_MESSAGE",False);
}
static void kvi_ipcSetRemoteCommand(Window w,const char * command)
{
XChangeProperty(kvi_ipc_get_xdisplay(),w,kvi_atom_ipc_remote_command,
XA_STRING,8,PropModeReplace,(const unsigned char *)command,kvi_strLen(command) + 1);
}
static Window kvi_x11_findIpcSentinel(Window win)
{
Atom type;
int format;
unsigned long nItems,after;
unsigned char * data = 0;
if(XGetWindowProperty(kvi_ipc_get_xdisplay(),win,kvi_atom_ipc_sentinel_window,0,32,FALSE,XA_STRING,
&type,&format,&nItems,&after,&data) == Success)
{
if((type == XA_STRING) && (format == 8))
{
if((nItems == ((unsigned long)(kvi_sentinel_id.len()))) && data)
{
if(kvi_strEqualCSN((const char *)data,kvi_sentinel_id.ptr(),kvi_sentinel_id.len()))
{
XFree((char *)data);
return win;
}
}
}
}
Window root,parent;
Window * children;
unsigned int nChildren;
if(!XQueryTree(kvi_ipc_get_xdisplay(),win,&root,&parent,&children,&nChildren))
{
if(children)XFree((char *)children);
return 0;
}
Window found = 0;
for(int i=nChildren-1;(!found) && (i >= 0);i--)
found = kvi_x11_findIpcSentinel(children[i]);
if(children)XFree((char *)children);
return found;
}
#endif //!COMPILE_NO_X
#endif //!COMPILE_ON_WINDOWS
#define KVI_WINDOWS_IPC_MESSAGE 0x2FACE5
bool kvi_sendIpcMessage(const char * message)
{
#ifdef COMPILE_ON_WINDOWS
HWND hSentinel = kvi_win_findIpcSentinel();
if(hSentinel != NULL)
{
COPYDATASTRUCT cpd;
cpd.cbData = strlen(message)+1;
cpd.dwData = KVI_WINDOWS_IPC_MESSAGE;
cpd.lpData = (void *)message;
DWORD dwResult;
tqDebug(message);
::SendMessageTimeout(hSentinel,WM_COPYDATA,(WPARAM)NULL,(LPARAM)&cpd,SMTO_BLOCK,1000,&dwResult);
return true;
}
#else //!COMPILE_ON_WINDOWS
#ifndef COMPILE_NO_X
kvi_ipcLoadAtoms();
Window sentinel = kvi_x11_findIpcSentinel(kvi_ipc_get_xrootwin());
if(sentinel != 0)
{
// XChangeProperty(kvi_ipc_get_xdisplay(),sentinel,kvi_atom_ipc_remote_command,XA_STRING,8,
// PropModeReplace,(const unsigned char *)message,kvi_strLen(message));
kvi_ipcSetRemoteCommand(sentinel,message);
XEvent e;
kvi_memset(&e,0,sizeof(XEvent));
e.type = ClientMessage;
e.xclient.display = kvi_ipc_get_xdisplay();
e.xclient.window = sentinel;
e.xclient.message_type = kvi_atom_ipc_remote_message;
e.xclient.format = 8;
XSendEvent(kvi_ipc_get_xdisplay(),sentinel,False,0,&e);
return true;
}
#endif //!COMPILE_NO_X
#endif //!COMPILE_ON_WINDOWS
return false;
}
//////////////////////////////////////////////////////////////////////
// class KviIpcSentinel
//
// hidden sentinel of ipc messages
//
//////////////////////////////////////////////////////////////////////
KviIpcSentinel::KviIpcSentinel()
: TQWidget(0,"kvirc_ipc_sentinel")
{
#ifdef COMPILE_ON_WINDOWS
setCaption("kvirc_ipc_sentinel");
#else //!COMPILE_ON_WINDOWS
#ifndef COMPILE_NO_X
kvi_ipcLoadAtoms();
XChangeProperty(kvi_ipc_get_xdisplay(),winId(),kvi_atom_ipc_sentinel_window,XA_STRING,8,
PropModeReplace,(const unsigned char *)kvi_sentinel_id.ptr(),kvi_sentinel_id.len());
kvi_ipcSetRemoteCommand(winId(),"");
#endif //!COMPILE_NO_X
#endif //!COMPILE_ON_WINDOWS
move(-50,-50);
resize(1,1);
hide();
}
KviIpcSentinel::~KviIpcSentinel()
{
}
#ifdef COMPILE_ON_WINDOWS
bool KviIpcSentinel::winEvent(MSG * msg)
{
if(msg->message == WM_COPYDATA)
{
COPYDATASTRUCT * cpd = (COPYDATASTRUCT *)msg->lParam;
if(cpd)
{
if(cpd->dwData == KVI_WINDOWS_IPC_MESSAGE)
{
tqDebug((char *)(cpd->lpData));
if(g_pApp)g_pApp->ipcMessage((char *)(cpd->lpData));
return true;
}
}
}
return false;
}
#else //!COMPILE_ON_WINDOWS
#ifndef COMPILE_NO_X
bool KviIpcSentinel::x11Event(XEvent *e)
{
if(e->type == ClientMessage)
{
if((e->xclient.message_type = kvi_atom_ipc_remote_message) && (e->xclient.format == 8))
{
Atom type;
int format;
unsigned long nItems,after;
unsigned char * data = 0;
KviStr szData;
if(XGetWindowProperty(kvi_ipc_get_xdisplay(),winId(),kvi_atom_ipc_remote_command,0,1024,FALSE,XA_STRING,
&type,&format,&nItems,&after,&data) == Success)
{
if((type == XA_STRING) && (format == 8) && (nItems > 0) && data)
{
szData = (char *)data;
XFree((char *)data);
}
}
kvi_ipcSetRemoteCommand(winId(),"");
if(g_pApp)g_pApp->ipcMessage(szData.ptr());
return true;
}
}
return false;
}
#endif //!COMPILE_NO_X
#endif //!COMPILE_ON_WINDOWS
#include "kvi_ipc.moc"
#endif
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