barrier/cmd/synergys/CMSWindowsServerTaskBarRece...

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2003 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package 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.
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*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "CMSWindowsServerTaskBarReceiver.h"
#include "CServer.h"
#include "CMSWindowsClipboard.h"
#include "IEventQueue.h"
#include "LogOutputters.h"
#include "BasicTypes.h"
#include "CArch.h"
#include "CArchTaskBarWindows.h"
#include "resource.h"
#include "CArchMiscWindows.h"
#include "CMSWindowsScreen.h"
//
// CMSWindowsServerTaskBarReceiver
//
const UINT CMSWindowsServerTaskBarReceiver::s_stateToIconID[kMaxState] =
{
IDI_TASKBAR_NOT_RUNNING,
IDI_TASKBAR_NOT_WORKING,
IDI_TASKBAR_NOT_CONNECTED,
IDI_TASKBAR_CONNECTED
};
CMSWindowsServerTaskBarReceiver::CMSWindowsServerTaskBarReceiver(
HINSTANCE appInstance, const CBufferedLogOutputter* logBuffer) :
CServerTaskBarReceiver(),
m_appInstance(appInstance),
m_window(NULL),
m_logBuffer(logBuffer)
{
for (UInt32 i = 0; i < kMaxState; ++i) {
m_icon[i] = loadIcon(s_stateToIconID[i]);
}
m_menu = LoadMenu(m_appInstance, MAKEINTRESOURCE(IDR_TASKBAR));
// don't create the window yet. we'll create it on demand. this
// has the side benefit of being created in the thread used for
// the task bar. that's good because it means the existence of
// the window won't prevent changing the main thread's desktop.
// add ourself to the task bar
ARCH->addReceiver(this);
}
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void
CMSWindowsServerTaskBarReceiver::cleanup()
{
ARCH->removeReceiver(this);
for (UInt32 i = 0; i < kMaxState; ++i) {
deleteIcon(m_icon[i]);
}
DestroyMenu(m_menu);
destroyWindow();
}
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CMSWindowsServerTaskBarReceiver::~CMSWindowsServerTaskBarReceiver()
{
cleanup();
}
void
CMSWindowsServerTaskBarReceiver::showStatus()
{
// create the window
createWindow();
// lock self while getting status
lock();
// get the current status
std::string status = getToolTip();
// get the connect clients, if any
const CClients& clients = getClients();
// done getting status
unlock();
// update dialog
HWND child = GetDlgItem(m_window, IDC_TASKBAR_STATUS_STATUS);
SendMessage(child, WM_SETTEXT, 0, (LPARAM)status.c_str());
child = GetDlgItem(m_window, IDC_TASKBAR_STATUS_CLIENTS);
SendMessage(child, LB_RESETCONTENT, 0, 0);
for (CClients::const_iterator index = clients.begin();
index != clients.end(); ) {
const char* client = index->c_str();
if (++index == clients.end()) {
SendMessage(child, LB_ADDSTRING, 0, (LPARAM)client);
}
else {
SendMessage(child, LB_INSERTSTRING, (WPARAM)-1, (LPARAM)client);
}
}
if (!IsWindowVisible(m_window)) {
// position it by the mouse
POINT cursorPos;
GetCursorPos(&cursorPos);
RECT windowRect;
GetWindowRect(m_window, &windowRect);
int x = cursorPos.x;
int y = cursorPos.y;
int fw = GetSystemMetrics(SM_CXDLGFRAME);
int fh = GetSystemMetrics(SM_CYDLGFRAME);
int ww = windowRect.right - windowRect.left;
int wh = windowRect.bottom - windowRect.top;
int sw = GetSystemMetrics(SM_CXFULLSCREEN);
int sh = GetSystemMetrics(SM_CYFULLSCREEN);
if (fw < 1) {
fw = 1;
}
if (fh < 1) {
fh = 1;
}
if (x + ww - fw > sw) {
x -= ww - fw;
}
else {
x -= fw;
}
if (x < 0) {
x = 0;
}
if (y + wh - fh > sh) {
y -= wh - fh;
}
else {
y -= fh;
}
if (y < 0) {
y = 0;
}
SetWindowPos(m_window, HWND_TOPMOST, x, y, ww, wh,
SWP_SHOWWINDOW);
}
}
void
CMSWindowsServerTaskBarReceiver::runMenu(int x, int y)
{
// do popup menu. we need a window to pass to TrackPopupMenu().
// the SetForegroundWindow() and SendMessage() calls around
// TrackPopupMenu() are to get the menu to be dismissed when
// another window gets activated and are just one of those
// win32 weirdnesses.
createWindow();
SetForegroundWindow(m_window);
HMENU menu = GetSubMenu(m_menu, 0);
SetMenuDefaultItem(menu, IDC_TASKBAR_STATUS, FALSE);
HMENU logLevelMenu = GetSubMenu(menu, 3);
CheckMenuRadioItem(logLevelMenu, 0, 6,
CLOG->getFilter() - CLog::kERROR, MF_BYPOSITION);
int n = TrackPopupMenu(menu,
TPM_NONOTIFY |
TPM_RETURNCMD |
TPM_LEFTBUTTON |
TPM_RIGHTBUTTON,
x, y, 0, m_window, NULL);
SendMessage(m_window, WM_NULL, 0, 0);
// perform the requested operation
switch (n) {
case IDC_TASKBAR_STATUS:
showStatus();
break;
case IDC_TASKBAR_LOG:
copyLog();
break;
case IDC_TASKBAR_SHOW_LOG:
ARCH->showConsole(true);
break;
case IDC_RELOAD_CONFIG:
EVENTQUEUE->addEvent(CEvent(getReloadConfigEvent(),
IEventQueue::getSystemTarget()));
break;
case IDC_FORCE_RECONNECT:
EVENTQUEUE->addEvent(CEvent(getForceReconnectEvent(),
IEventQueue::getSystemTarget()));
break;
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case ID_SYNERGY_RESETSERVER:
EVENTQUEUE->addEvent(CEvent(getResetServerEvent(),
IEventQueue::getSystemTarget()));
break;
case IDC_TASKBAR_LOG_LEVEL_ERROR:
CLOG->setFilter(CLog::kERROR);
break;
case IDC_TASKBAR_LOG_LEVEL_WARNING:
CLOG->setFilter(CLog::kWARNING);
break;
case IDC_TASKBAR_LOG_LEVEL_NOTE:
CLOG->setFilter(CLog::kNOTE);
break;
case IDC_TASKBAR_LOG_LEVEL_INFO:
CLOG->setFilter(CLog::kINFO);
break;
case IDC_TASKBAR_LOG_LEVEL_DEBUG:
CLOG->setFilter(CLog::kDEBUG);
break;
case IDC_TASKBAR_LOG_LEVEL_DEBUG1:
CLOG->setFilter(CLog::kDEBUG1);
break;
case IDC_TASKBAR_LOG_LEVEL_DEBUG2:
CLOG->setFilter(CLog::kDEBUG2);
break;
case IDC_TASKBAR_QUIT:
quit();
break;
}
}
void
CMSWindowsServerTaskBarReceiver::primaryAction()
{
showStatus();
}
const IArchTaskBarReceiver::Icon
CMSWindowsServerTaskBarReceiver::getIcon() const
{
return reinterpret_cast<Icon>(m_icon[getStatus()]);
}
void
CMSWindowsServerTaskBarReceiver::copyLog() const
{
if (m_logBuffer != NULL) {
// collect log buffer
CString data;
for (CBufferedLogOutputter::const_iterator index = m_logBuffer->begin();
index != m_logBuffer->end(); ++index) {
data += *index;
data += "\n";
}
// copy log to clipboard
if (!data.empty()) {
CMSWindowsClipboard clipboard(m_window);
clipboard.open(0);
clipboard.emptyUnowned();
clipboard.add(IClipboard::kText, data);
clipboard.close();
}
}
}
void
CMSWindowsServerTaskBarReceiver::onStatusChanged()
{
if (IsWindowVisible(m_window)) {
showStatus();
}
}
HICON
CMSWindowsServerTaskBarReceiver::loadIcon(UINT id)
{
HANDLE icon = LoadImage(m_appInstance,
MAKEINTRESOURCE(id),
IMAGE_ICON,
0, 0,
LR_DEFAULTCOLOR);
return reinterpret_cast<HICON>(icon);
}
void
CMSWindowsServerTaskBarReceiver::deleteIcon(HICON icon)
{
if (icon != NULL) {
DestroyIcon(icon);
}
}
void
CMSWindowsServerTaskBarReceiver::createWindow()
{
// ignore if already created
if (m_window != NULL) {
return;
}
// get the status dialog
m_window = CreateDialogParam(m_appInstance,
MAKEINTRESOURCE(IDD_TASKBAR_STATUS),
NULL,
(DLGPROC)&CMSWindowsServerTaskBarReceiver::staticDlgProc,
reinterpret_cast<LPARAM>(
reinterpret_cast<void*>(this)));
// window should appear on top of everything, including (especially)
// the task bar.
LONG_PTR style = GetWindowLongPtr(m_window, GWL_EXSTYLE);
style |= WS_EX_TOOLWINDOW | WS_EX_TOPMOST;
SetWindowLongPtr(m_window, GWL_EXSTYLE, style);
// tell the task bar about this dialog
CArchTaskBarWindows::addDialog(m_window);
}
void
CMSWindowsServerTaskBarReceiver::destroyWindow()
{
if (m_window != NULL) {
CArchTaskBarWindows::removeDialog(m_window);
DestroyWindow(m_window);
m_window = NULL;
}
}
BOOL
CMSWindowsServerTaskBarReceiver::dlgProc(HWND hwnd,
UINT msg, WPARAM wParam, LPARAM)
{
switch (msg) {
case WM_INITDIALOG:
// use default focus
return TRUE;
case WM_ACTIVATE:
// hide when another window is activated
if (LOWORD(wParam) == WA_INACTIVE) {
ShowWindow(hwnd, SW_HIDE);
}
break;
}
return FALSE;
}
BOOL CALLBACK
CMSWindowsServerTaskBarReceiver::staticDlgProc(HWND hwnd,
UINT msg, WPARAM wParam, LPARAM lParam)
{
// if msg is WM_INITDIALOG, extract the CMSWindowsServerTaskBarReceiver*
// and put it in the extra window data then forward the call.
CMSWindowsServerTaskBarReceiver* self = NULL;
if (msg == WM_INITDIALOG) {
self = reinterpret_cast<CMSWindowsServerTaskBarReceiver*>(
reinterpret_cast<void*>(lParam));
SetWindowLongPtr(hwnd, GWLP_USERDATA, lParam);
}
else {
// get the extra window data and forward the call
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LONG data = (LONG)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if (data != 0) {
self = reinterpret_cast<CMSWindowsServerTaskBarReceiver*>(
reinterpret_cast<void*>(data));
}
}
// forward the message
if (self != NULL) {
return self->dlgProc(hwnd, msg, wParam, lParam);
}
else {
return (msg == WM_INITDIALOG) ? TRUE : FALSE;
}
}
IArchTaskBarReceiver*
createTaskBarReceiver(const CBufferedLogOutputter* logBuffer)
{
CArchMiscWindows::setIcons(
(HICON)LoadImage(CArchMiscWindows::instanceWin32(),
MAKEINTRESOURCE(IDI_SYNERGY),
IMAGE_ICON,
32, 32, LR_SHARED),
(HICON)LoadImage(CArchMiscWindows::instanceWin32(),
MAKEINTRESOURCE(IDI_SYNERGY),
IMAGE_ICON,
16, 16, LR_SHARED));
return new CMSWindowsServerTaskBarReceiver(
CMSWindowsScreen::getInstance(), logBuffer);
}