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matt
2020-09-20 12:16:44 +00:00
parent 09a4460ddb
commit 408c005d3e
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win/winvnc/STrayIcon.cxx Normal file
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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 option) any later version.
*
* This software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- WinVNC Version 4.0 Tray Icon implementation
#include <winvnc/STrayIcon.h>
#include <winvnc/VNCServerService.h>
#include <winvnc/resource.h>
#include <os/Mutex.h>
#include <os/Thread.h>
#include <rfb/LogWriter.h>
#include <rfb/Configuration.h>
#include <rfb_win32/LaunchProcess.h>
#include <rfb_win32/TrayIcon.h>
#include <rfb_win32/AboutDialog.h>
#include <rfb_win32/MsgBox.h>
#include <rfb_win32/Service.h>
#include <rfb_win32/CurrentUser.h>
#include <winvnc/ControlPanel.h>
using namespace rfb;
using namespace win32;
using namespace winvnc;
static LogWriter vlog("STrayIcon");
BoolParameter STrayIconThread::disableOptions("DisableOptions", "Disable the Options entry in the VNC Server tray menu.", false);
BoolParameter STrayIconThread::disableClose("DisableClose", "Disable the Close entry in the VNC Server tray menu.", false);
//
// -=- AboutDialog global values
//
const WORD rfb::win32::AboutDialog::DialogId = IDD_ABOUT;
const WORD rfb::win32::AboutDialog::Copyright = IDC_COPYRIGHT;
const WORD rfb::win32::AboutDialog::Version = IDC_VERSION;
const WORD rfb::win32::AboutDialog::BuildTime = IDC_BUILDTIME;
const WORD rfb::win32::AboutDialog::Description = IDC_DESCRIPTION;
//
// -=- Internal tray icon class
//
const UINT WM_SET_TOOLTIP = WM_USER + 1;
namespace winvnc {
class STrayIcon : public TrayIcon {
public:
STrayIcon(STrayIconThread& t) :
vncConfig(_T("vncconfig.exe"), isServiceProcess() ? _T("-noconsole -service") : _T("-noconsole")),
vncConnect(_T("winvnc4.exe"), _T("-noconsole -connect")), thread(t) {
// ***
SetWindowText(getHandle(), _T("winvnc::IPC_Interface"));
// ***
SetTimer(getHandle(), 1, 3000, 0);
PostMessage(getHandle(), WM_TIMER, 1, 0);
PostMessage(getHandle(), WM_SET_TOOLTIP, 0, 0);
CPanel = new ControlPanel(getHandle());
}
virtual LRESULT processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
switch(msg) {
case WM_USER:
{
bool userKnown = CurrentUserToken().canImpersonate();
bool allowOptions = !STrayIconThread::disableOptions && userKnown;
bool allowClose = !STrayIconThread::disableClose && userKnown;
switch (lParam) {
case WM_LBUTTONDBLCLK:
SendMessage(getHandle(), WM_COMMAND, ID_CONTR0L_PANEL, 0);
break;
case WM_RBUTTONUP:
HMENU menu = LoadMenu(GetModuleHandle(0), MAKEINTRESOURCE(thread.menu));
HMENU trayMenu = GetSubMenu(menu, 0);
// Default item is Options, if available, or About if not
SetMenuDefaultItem(trayMenu, ID_CONTR0L_PANEL, FALSE);
// Enable/disable options as required
EnableMenuItem(trayMenu, ID_OPTIONS, (!allowOptions ? MF_GRAYED : MF_ENABLED) | MF_BYCOMMAND);
EnableMenuItem(trayMenu, ID_CONNECT, (!userKnown ? MF_GRAYED : MF_ENABLED) | MF_BYCOMMAND);
EnableMenuItem(trayMenu, ID_CLOSE, (!allowClose ? MF_GRAYED : MF_ENABLED) | MF_BYCOMMAND);
thread.server.getClientsInfo(&LCInfo);
CheckMenuItem(trayMenu, ID_DISABLE_NEW_CLIENTS, (LCInfo.getDisable() ? MF_CHECKED : MF_UNCHECKED) | MF_BYCOMMAND);
// SetForegroundWindow is required, otherwise Windows ignores the
// TrackPopupMenu because the window isn't the foreground one, on
// some older Windows versions...
SetForegroundWindow(getHandle());
// Display the menu
POINT pos;
GetCursorPos(&pos);
TrackPopupMenu(trayMenu, 0, pos.x, pos.y, 0, getHandle(), 0);
break;
}
return 0;
}
// Handle tray icon menu commands
case WM_COMMAND:
switch (LOWORD(wParam)) {
case ID_CONTR0L_PANEL:
CPanel->showDialog();
break;
case ID_DISABLE_NEW_CLIENTS:
{
thread.server.getClientsInfo(&LCInfo);
LCInfo.setDisable(!LCInfo.getDisable());
thread.server.setClientsStatus(&LCInfo);
CPanel->UpdateListView(&LCInfo);
}
break;
case ID_OPTIONS:
vncConfig.start(INVALID_HANDLE_VALUE);
break;
case ID_CONNECT:
vncConnect.start(INVALID_HANDLE_VALUE);
break;
case ID_DISCONNECT:
thread.server.disconnectClients("tray menu disconnect");
break;
case ID_CLOSE:
if (MsgBox(0, _T("Are you sure you want to close the server?"),
MB_ICONQUESTION | MB_YESNO | MB_DEFBUTTON2) == IDYES) {
if (isServiceProcess()) {
try {
rfb::win32::stopService(VNCServerService::Name);
} catch (rdr::Exception& e) {
MsgBox(0, TStr(e.str()), MB_ICONERROR | MB_OK);
}
} else {
thread.server.stop();
}
}
break;
case ID_ABOUT:
AboutDialog::instance.showDialog();
break;
}
return 0;
// Handle commands send by other processes
case WM_COPYDATA:
{
COPYDATASTRUCT* command = (COPYDATASTRUCT*)lParam;
switch (command->dwData) {
case 1:
{
CharArray viewer(command->cbData + 1);
memcpy(viewer.buf, command->lpData, command->cbData);
viewer.buf[command->cbData] = 0;
return thread.server.addNewClient(viewer.buf) ? 1 : 0;
}
case 2:
return thread.server.disconnectClients("IPC disconnect") ? 1 : 0;
case 3:
thread.server.setClientsStatus((rfb::ListConnInfo *)command->lpData);
case 4:
thread.server.getClientsInfo(&LCInfo);
CPanel->UpdateListView(&LCInfo);
break;
};
};
break;
case WM_CLOSE:
PostQuitMessage(0);
break;
case WM_TIMER:
if (rfb::win32::desktopChangeRequired()) {
SendMessage(getHandle(), WM_CLOSE, 0, 0);
return 0;
}
thread.server.getClientsInfo(&LCInfo);
CPanel->UpdateListView(&LCInfo);
setIcon(thread.server.isServerInUse() ?
(!LCInfo.getDisable() ? thread.activeIcon : thread.dis_activeIcon) :
(!LCInfo.getDisable() ? thread.inactiveIcon : thread.dis_inactiveIcon));
return 0;
case WM_SET_TOOLTIP:
{
os::AutoMutex a(thread.lock);
if (thread.toolTip.buf)
setToolTip(thread.toolTip.buf);
}
return 0;
}
return TrayIcon::processMessage(msg, wParam, lParam);
}
protected:
LaunchProcess vncConfig;
LaunchProcess vncConnect;
STrayIconThread& thread;
ControlPanel * CPanel;
rfb::ListConnInfo LCInfo;
};
STrayIconThread::STrayIconThread(VNCServerWin32& sm, UINT inactiveIcon_, UINT activeIcon_,
UINT dis_inactiveIcon_, UINT dis_activeIcon_, UINT menu_)
: thread_id(-1), windowHandle(0), server(sm),
inactiveIcon(inactiveIcon_), activeIcon(activeIcon_),
dis_inactiveIcon(dis_inactiveIcon_), dis_activeIcon(dis_activeIcon_),
menu(menu_), runTrayIcon(true) {
lock = new os::Mutex;
start();
while (thread_id == (DWORD)-1)
Sleep(0);
}
STrayIconThread::~STrayIconThread() {
runTrayIcon = false;
PostThreadMessage(thread_id, WM_QUIT, 0, 0);
delete lock;
}
void STrayIconThread::worker() {
thread_id = GetCurrentThreadId();
while (runTrayIcon) {
if (rfb::win32::desktopChangeRequired() &&
!rfb::win32::changeDesktop())
Sleep(2000);
STrayIcon icon(*this);
windowHandle = icon.getHandle();
MSG msg;
while (runTrayIcon && ::GetMessage(&msg, 0, 0, 0) > 0) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
windowHandle = 0;
}
}
void STrayIconThread::setToolTip(const TCHAR* text) {
if (!windowHandle) return;
os::AutoMutex a(lock);
delete [] toolTip.buf;
toolTip.buf = tstrDup(text);
PostMessage(windowHandle, WM_SET_TOOLTIP, 0, 0);
}
}