494 lines
12 KiB
C++
494 lines
12 KiB
C++
/*
|
|
* synergy -- mouse and keyboard sharing utility
|
|
* Copyright (C) 2003 Chris Schoeneman
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "CArchTaskBarWindows.h"
|
|
#include "CArchMiscWindows.h"
|
|
#include "IArchTaskBarReceiver.h"
|
|
#include "CArch.h"
|
|
#include "XArch.h"
|
|
#include <string.h>
|
|
#include <shellapi.h>
|
|
#include "CArchAppUtilWindows.h"
|
|
|
|
static const UINT kAddReceiver = WM_USER + 10;
|
|
static const UINT kRemoveReceiver = WM_USER + 11;
|
|
static const UINT kUpdateReceiver = WM_USER + 12;
|
|
static const UINT kNotifyReceiver = WM_USER + 13;
|
|
static const UINT kFirstReceiverID = WM_USER + 14;
|
|
|
|
//
|
|
// CArchTaskBarWindows
|
|
//
|
|
|
|
CArchTaskBarWindows* CArchTaskBarWindows::s_instance = NULL;
|
|
|
|
CArchTaskBarWindows::CArchTaskBarWindows() :
|
|
m_nextID(kFirstReceiverID)
|
|
{
|
|
// save the singleton instance
|
|
s_instance = this;
|
|
|
|
// we need a mutex
|
|
m_mutex = ARCH->newMutex();
|
|
|
|
// and a condition variable which uses the above mutex
|
|
m_ready = false;
|
|
m_condVar = ARCH->newCondVar();
|
|
|
|
// we're going to want to get a result from the thread we're
|
|
// about to create to know if it initialized successfully.
|
|
// so we lock the condition variable.
|
|
ARCH->lockMutex(m_mutex);
|
|
|
|
// open a window and run an event loop in a separate thread.
|
|
// this has to happen in a separate thread because if we
|
|
// create a window on the current desktop with the current
|
|
// thread then the current thread won't be able to switch
|
|
// desktops if it needs to.
|
|
m_thread = ARCH->newThread(&CArchTaskBarWindows::threadEntry, this);
|
|
|
|
// wait for child thread
|
|
while (!m_ready) {
|
|
ARCH->waitCondVar(m_condVar, m_mutex, -1.0);
|
|
}
|
|
|
|
// ready
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
CArchTaskBarWindows::~CArchTaskBarWindows()
|
|
{
|
|
if (m_thread != NULL) {
|
|
PostMessage(m_hwnd, WM_QUIT, 0, 0);
|
|
ARCH->wait(m_thread, -1.0);
|
|
ARCH->closeThread(m_thread);
|
|
}
|
|
ARCH->closeCondVar(m_condVar);
|
|
ARCH->closeMutex(m_mutex);
|
|
s_instance = NULL;
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::addDialog(HWND hwnd)
|
|
{
|
|
CArchMiscWindows::addDialog(hwnd);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::removeDialog(HWND hwnd)
|
|
{
|
|
CArchMiscWindows::removeDialog(hwnd);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::addReceiver(IArchTaskBarReceiver* receiver)
|
|
{
|
|
// ignore bogus receiver
|
|
if (receiver == NULL) {
|
|
return;
|
|
}
|
|
|
|
// add receiver if necessary
|
|
CReceiverToInfoMap::iterator index = m_receivers.find(receiver);
|
|
if (index == m_receivers.end()) {
|
|
// add it, creating a new message ID for it
|
|
CReceiverInfo info;
|
|
info.m_id = getNextID();
|
|
index = m_receivers.insert(std::make_pair(receiver, info)).first;
|
|
|
|
// add ID to receiver mapping
|
|
m_idTable.insert(std::make_pair(info.m_id, index));
|
|
}
|
|
|
|
// add receiver
|
|
PostMessage(m_hwnd, kAddReceiver, index->second.m_id, 0);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::removeReceiver(IArchTaskBarReceiver* receiver)
|
|
{
|
|
// find receiver
|
|
CReceiverToInfoMap::iterator index = m_receivers.find(receiver);
|
|
if (index == m_receivers.end()) {
|
|
return;
|
|
}
|
|
|
|
// remove icon. wait for this to finish before returning.
|
|
SendMessage(m_hwnd, kRemoveReceiver, index->second.m_id, 0);
|
|
|
|
// recycle the ID
|
|
recycleID(index->second.m_id);
|
|
|
|
// discard
|
|
m_idTable.erase(index->second.m_id);
|
|
m_receivers.erase(index);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::updateReceiver(IArchTaskBarReceiver* receiver)
|
|
{
|
|
// find receiver
|
|
CReceiverToInfoMap::const_iterator index = m_receivers.find(receiver);
|
|
if (index == m_receivers.end()) {
|
|
return;
|
|
}
|
|
|
|
// update icon and tool tip
|
|
PostMessage(m_hwnd, kUpdateReceiver, index->second.m_id, 0);
|
|
}
|
|
|
|
UINT
|
|
CArchTaskBarWindows::getNextID()
|
|
{
|
|
if (m_oldIDs.empty()) {
|
|
return m_nextID++;
|
|
}
|
|
UINT id = m_oldIDs.back();
|
|
m_oldIDs.pop_back();
|
|
return id;
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::recycleID(UINT id)
|
|
{
|
|
m_oldIDs.push_back(id);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::addIcon(UINT id)
|
|
{
|
|
ARCH->lockMutex(m_mutex);
|
|
CIDToReceiverMap::const_iterator index = m_idTable.find(id);
|
|
if (index != m_idTable.end()) {
|
|
modifyIconNoLock(index->second, NIM_ADD);
|
|
}
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::removeIcon(UINT id)
|
|
{
|
|
ARCH->lockMutex(m_mutex);
|
|
removeIconNoLock(id);
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::updateIcon(UINT id)
|
|
{
|
|
ARCH->lockMutex(m_mutex);
|
|
CIDToReceiverMap::const_iterator index = m_idTable.find(id);
|
|
if (index != m_idTable.end()) {
|
|
modifyIconNoLock(index->second, NIM_MODIFY);
|
|
}
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::addAllIcons()
|
|
{
|
|
ARCH->lockMutex(m_mutex);
|
|
for (CReceiverToInfoMap::const_iterator index = m_receivers.begin();
|
|
index != m_receivers.end(); ++index) {
|
|
modifyIconNoLock(index, NIM_ADD);
|
|
}
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::removeAllIcons()
|
|
{
|
|
ARCH->lockMutex(m_mutex);
|
|
for (CReceiverToInfoMap::const_iterator index = m_receivers.begin();
|
|
index != m_receivers.end(); ++index) {
|
|
removeIconNoLock(index->second.m_id);
|
|
}
|
|
ARCH->unlockMutex(m_mutex);
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::modifyIconNoLock(
|
|
CReceiverToInfoMap::const_iterator index, DWORD taskBarMessage)
|
|
{
|
|
// get receiver
|
|
UINT id = index->second.m_id;
|
|
IArchTaskBarReceiver* receiver = index->first;
|
|
|
|
// lock receiver so icon and tool tip are guaranteed to be consistent
|
|
receiver->lock();
|
|
|
|
// get icon data
|
|
HICON icon = reinterpret_cast<HICON>(
|
|
const_cast<IArchTaskBarReceiver::Icon>(receiver->getIcon()));
|
|
|
|
// get tool tip
|
|
std::string toolTip = receiver->getToolTip();
|
|
|
|
// done querying
|
|
receiver->unlock();
|
|
|
|
// prepare to add icon
|
|
NOTIFYICONDATA data;
|
|
data.cbSize = sizeof(NOTIFYICONDATA);
|
|
data.hWnd = m_hwnd;
|
|
data.uID = id;
|
|
data.uFlags = NIF_MESSAGE;
|
|
data.uCallbackMessage = kNotifyReceiver;
|
|
data.hIcon = icon;
|
|
if (icon != NULL) {
|
|
data.uFlags |= NIF_ICON;
|
|
}
|
|
if (!toolTip.empty()) {
|
|
strncpy(data.szTip, toolTip.c_str(), sizeof(data.szTip));
|
|
data.szTip[sizeof(data.szTip) - 1] = '\0';
|
|
data.uFlags |= NIF_TIP;
|
|
}
|
|
else {
|
|
data.szTip[0] = '\0';
|
|
}
|
|
|
|
// add icon
|
|
if (Shell_NotifyIcon(taskBarMessage, &data) == 0) {
|
|
// failed
|
|
}
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::removeIconNoLock(UINT id)
|
|
{
|
|
NOTIFYICONDATA data;
|
|
data.cbSize = sizeof(NOTIFYICONDATA);
|
|
data.hWnd = m_hwnd;
|
|
data.uID = id;
|
|
if (Shell_NotifyIcon(NIM_DELETE, &data) == 0) {
|
|
// failed
|
|
}
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::handleIconMessage(
|
|
IArchTaskBarReceiver* receiver, LPARAM lParam)
|
|
{
|
|
// process message
|
|
switch (lParam) {
|
|
case WM_LBUTTONDOWN:
|
|
receiver->showStatus();
|
|
break;
|
|
|
|
case WM_LBUTTONDBLCLK:
|
|
receiver->primaryAction();
|
|
break;
|
|
|
|
case WM_RBUTTONUP: {
|
|
POINT p;
|
|
GetCursorPos(&p);
|
|
receiver->runMenu(p.x, p.y);
|
|
break;
|
|
}
|
|
|
|
case WM_MOUSEMOVE:
|
|
// currently unused
|
|
break;
|
|
|
|
default:
|
|
// unused
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool
|
|
CArchTaskBarWindows::processDialogs(MSG* msg)
|
|
{
|
|
// only one thread can be in this method on any particular object
|
|
// at any given time. that's not a problem since only our event
|
|
// loop calls this method and there's just one of those.
|
|
|
|
ARCH->lockMutex(m_mutex);
|
|
|
|
// remove removed dialogs
|
|
m_dialogs.erase(false);
|
|
|
|
// merge added dialogs into the dialog list
|
|
for (CDialogs::const_iterator index = m_addedDialogs.begin();
|
|
index != m_addedDialogs.end(); ++index) {
|
|
m_dialogs.insert(std::make_pair(index->first, index->second));
|
|
}
|
|
m_addedDialogs.clear();
|
|
|
|
ARCH->unlockMutex(m_mutex);
|
|
|
|
// check message against all dialogs until one handles it.
|
|
// note that we don't hold a lock while checking because
|
|
// the message is processed and may make calls to this
|
|
// object. that's okay because addDialog() and
|
|
// removeDialog() don't change the map itself (just the
|
|
// values of some elements).
|
|
ARCH->lockMutex(m_mutex);
|
|
for (CDialogs::const_iterator index = m_dialogs.begin();
|
|
index != m_dialogs.end(); ++index) {
|
|
if (index->second) {
|
|
ARCH->unlockMutex(m_mutex);
|
|
if (IsDialogMessage(index->first, msg)) {
|
|
return true;
|
|
}
|
|
ARCH->lockMutex(m_mutex);
|
|
}
|
|
}
|
|
ARCH->unlockMutex(m_mutex);
|
|
|
|
return false;
|
|
}
|
|
|
|
LRESULT
|
|
CArchTaskBarWindows::wndProc(HWND hwnd,
|
|
UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
switch (msg) {
|
|
case kNotifyReceiver: {
|
|
// lookup receiver
|
|
CIDToReceiverMap::const_iterator index = m_idTable.find((UINT)wParam);
|
|
if (index != m_idTable.end()) {
|
|
IArchTaskBarReceiver* receiver = index->second->first;
|
|
handleIconMessage(receiver, lParam);
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case kAddReceiver:
|
|
addIcon((UINT)wParam);
|
|
break;
|
|
|
|
case kRemoveReceiver:
|
|
removeIcon((UINT)wParam);
|
|
break;
|
|
|
|
case kUpdateReceiver:
|
|
updateIcon((UINT)wParam);
|
|
break;
|
|
|
|
default:
|
|
if (msg == m_taskBarRestart) {
|
|
// task bar was recreated so re-add our icons
|
|
addAllIcons();
|
|
}
|
|
break;
|
|
}
|
|
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
LRESULT CALLBACK
|
|
CArchTaskBarWindows::staticWndProc(HWND hwnd, UINT msg,
|
|
WPARAM wParam, LPARAM lParam)
|
|
{
|
|
// if msg is WM_NCCREATE, extract the CArchTaskBarWindows* and put
|
|
// it in the extra window data then forward the call.
|
|
CArchTaskBarWindows* self = NULL;
|
|
if (msg == WM_NCCREATE) {
|
|
CREATESTRUCT* createInfo;
|
|
createInfo = reinterpret_cast<CREATESTRUCT*>(lParam);
|
|
self = reinterpret_cast<CArchTaskBarWindows*>(
|
|
createInfo->lpCreateParams);
|
|
SetWindowLong(hwnd, 0, reinterpret_cast<LONG>(self));
|
|
}
|
|
else {
|
|
// get the extra window data and forward the call
|
|
LONG data = GetWindowLong(hwnd, 0);
|
|
if (data != 0) {
|
|
self = reinterpret_cast<CArchTaskBarWindows*>(
|
|
reinterpret_cast<void*>(data));
|
|
}
|
|
}
|
|
|
|
// forward the message
|
|
if (self != NULL) {
|
|
return self->wndProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
else {
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
}
|
|
|
|
void
|
|
CArchTaskBarWindows::threadMainLoop()
|
|
{
|
|
// register the task bar restart message
|
|
m_taskBarRestart = RegisterWindowMessage(TEXT("TaskbarCreated"));
|
|
|
|
// register a window class
|
|
WNDCLASSEX classInfo;
|
|
classInfo.cbSize = sizeof(classInfo);
|
|
classInfo.style = CS_NOCLOSE;
|
|
classInfo.lpfnWndProc = &CArchTaskBarWindows::staticWndProc;
|
|
classInfo.cbClsExtra = 0;
|
|
classInfo.cbWndExtra = sizeof(CArchTaskBarWindows*);
|
|
classInfo.hInstance = instanceWin32();
|
|
classInfo.hIcon = NULL;
|
|
classInfo.hCursor = NULL;
|
|
classInfo.hbrBackground = NULL;
|
|
classInfo.lpszMenuName = NULL;
|
|
classInfo.lpszClassName = TEXT("SynergyTaskBar");
|
|
classInfo.hIconSm = NULL;
|
|
ATOM windowClass = RegisterClassEx(&classInfo);
|
|
|
|
// create window
|
|
m_hwnd = CreateWindowEx(WS_EX_TOOLWINDOW,
|
|
reinterpret_cast<LPCTSTR>(windowClass),
|
|
TEXT("Synergy Task Bar"),
|
|
WS_POPUP,
|
|
0, 0, 1, 1,
|
|
NULL,
|
|
NULL,
|
|
instanceWin32(),
|
|
reinterpret_cast<void*>(this));
|
|
|
|
// signal ready
|
|
ARCH->lockMutex(m_mutex);
|
|
m_ready = true;
|
|
ARCH->broadcastCondVar(m_condVar);
|
|
ARCH->unlockMutex(m_mutex);
|
|
|
|
// handle failure
|
|
if (m_hwnd == NULL) {
|
|
UnregisterClass(reinterpret_cast<LPCTSTR>(windowClass), instanceWin32());
|
|
return;
|
|
}
|
|
|
|
// main loop
|
|
MSG msg;
|
|
while (GetMessage(&msg, NULL, 0, 0)) {
|
|
if (!processDialogs(&msg)) {
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
}
|
|
|
|
// clean up
|
|
removeAllIcons();
|
|
DestroyWindow(m_hwnd);
|
|
UnregisterClass(reinterpret_cast<LPCTSTR>(windowClass), instanceWin32());
|
|
}
|
|
|
|
void*
|
|
CArchTaskBarWindows::threadEntry(void* self)
|
|
{
|
|
reinterpret_cast<CArchTaskBarWindows*>(self)->threadMainLoop();
|
|
return NULL;
|
|
}
|
|
|
|
HINSTANCE CArchTaskBarWindows::instanceWin32()
|
|
{
|
|
return CArchMiscWindows::instanceWin32();
|
|
} |