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