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/*
Actionaz
Copyright (C) 2008-2014 Jonathan Mercier-Ganady
Actionaz 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 3 of the License, or
(at your option) any later version.
Actionaz 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, see <http://www.gnu.org/licenses/>.
Contact : jmgr@jmgr.info
*/
#include "systeminputtask.h"
#include <QDebug>
#include <QThread>
#include <QSharedPointer>
#include <QPoint>
#ifdef Q_WS_X11
#include <QTimer>
#include <X11/Xlib.h>
#include <X11/Xlibint.h>
#include <X11/Xutil.h>
#include <X11/extensions/record.h>
#include <QX11Info>
#endif
#ifdef Q_WS_WIN
#include <Windows.h>
#endif
namespace ActionTools
{
namespace SystemInput
{
#ifdef Q_WS_X11
static XRecordContext gXRecordContext;
static void xRecordCallback(XPointer, XRecordInterceptData *data)
{
QSharedPointer<XRecordInterceptData> safeData(data, XRecordFreeData);
switch(data->category)
{
case XRecordFromServer:
case XRecordFromClient:
{
xEvent *recordData = reinterpret_cast<xEvent *>(safeData.data()->data);
switch(recordData->u.u.type)
{
case KeyPress:
//TODO
break;
case KeyRelease:
//TODO
break;
case ButtonPress:
switch(recordData->u.u.detail)
{
case Button1:
Task::instance()->emitMouseButtonPressed(LeftButton);
break;
case Button2:
Task::instance()->emitMouseButtonPressed(MiddleButton);
break;
case Button3:
Task::instance()->emitMouseButtonPressed(RightButton);
break;
case Button4:
case Button5:
// Ignore wheel up & wheel down buttons
break;
default:
Task::instance()->emitMouseButtonPressed(static_cast<Button>(XButton0 + recordData->u.u.detail - Button5 - 1));
break;
}
break;
case ButtonRelease:
switch(recordData->u.u.detail)
{
case Button1:
Task::instance()->emitMouseButtonReleased(LeftButton);
break;
case Button2:
Task::instance()->emitMouseButtonReleased(MiddleButton);
break;
case Button3:
Task::instance()->emitMouseButtonReleased(RightButton);
break;
case Button4:
Task::instance()->emitMouseWheel(1);
break;
case Button5:
Task::instance()->emitMouseWheel(-1);
break;
default:
Task::instance()->emitMouseButtonReleased(static_cast<Button>(XButton0 + recordData->u.u.detail - Button5 - 1));
break;
}
break;
case MotionNotify:
Task::instance()->emitMouseMotion(recordData->u.keyButtonPointer.rootX,
recordData->u.keyButtonPointer.rootY);
break;
default:
break;
}
}
break;
default:
return;
}
}
#endif
#ifdef Q_WS_WIN
static HHOOK gMouseHook;
static HHOOK gKeyboardHook;
static LRESULT CALLBACK LowLevelMouseProc(int nCode, WPARAM wParam, LPARAM lParam)
{
if(nCode < 0)
return CallNextHookEx(gMouseHook, nCode, wParam, lParam);
MSLLHOOKSTRUCT *data = reinterpret_cast<MSLLHOOKSTRUCT *>(lParam);
switch(wParam)
{
case WM_MOUSEMOVE:
Task::instance()->emitMouseMotion(data->pt.x, data->pt.y);
break;
case WM_MOUSEWHEEL:
if(static_cast<qint16>(HIWORD(data->mouseData)) > 0)
Task::instance()->emitMouseWheel(1);
else
Task::instance()->emitMouseWheel(-1);
break;
case WM_LBUTTONDOWN:
Task::instance()->emitMouseButtonPressed(LeftButton);
break;
case WM_LBUTTONUP:
Task::instance()->emitMouseButtonReleased(LeftButton);
break;
case WM_RBUTTONDOWN:
Task::instance()->emitMouseButtonPressed(RightButton);
break;
case WM_RBUTTONUP:
Task::instance()->emitMouseButtonReleased(RightButton);
break;
case WM_MBUTTONDOWN:
Task::instance()->emitMouseButtonPressed(MiddleButton);
break;
case WM_MBUTTONUP:
Task::instance()->emitMouseButtonReleased(MiddleButton);
break;
case WM_XBUTTONDOWN:
switch(HIWORD(data->mouseData))
{
case XBUTTON1:
Task::instance()->emitMouseButtonPressed(XButton0);
break;
case XBUTTON2:
Task::instance()->emitMouseButtonPressed(XButton1);
break;
default:
break;
}
break;
case WM_XBUTTONUP:
switch(HIWORD(data->mouseData))
{
case XBUTTON1:
Task::instance()->emitMouseButtonReleased(XButton0);
break;
case XBUTTON2:
Task::instance()->emitMouseButtonReleased(XButton1);
break;
default:
break;
}
break;
default:
break;
}
return CallNextHookEx(gMouseHook, nCode, wParam, lParam);
}
static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
//TODO: send input using Task::instance()->keyboardEvent
return CallNextHookEx(gKeyboardHook, nCode, wParam, lParam);
}
#endif
Task *Task::mInstance = 0;
Task::Task(QObject *parent)
: QObject(parent),
mThread(new QThread(this))
, mStarted(false)
#ifdef Q_WS_X11
, mProcessRepliesTimer(new QTimer(this))
#endif
{
Q_ASSERT(mInstance == 0);
mInstance = this;
#ifdef Q_WS_WIN
moveToThread(mThread);
mThread->start();
#endif
#ifdef Q_WS_X11
connect(mProcessRepliesTimer, SIGNAL(timeout()), this, SLOT(processReplies()));
start();
#endif
}
Task::~Task()
{
mThread->quit();
mThread->wait();
delete mThread;
}
void Task::start()
{
if(mStarted)
return;
mStarted = true;
#ifdef Q_WS_X11
XRecordClientSpec clients = XRecordAllClients;
XRecordRange *range = XRecordAllocRange();
if(!range)
{
qWarning() << "Failed to allocate XRecord range";
return;
}
range->device_events.first = KeyPress;
range->device_events.last = MotionNotify;
XRecordContext gXRecordContext = XRecordCreateContext(QX11Info::display(), 0, &clients, 1, &range, 1);
XFree(range);
if(!gXRecordContext)
{
qWarning() << "Failed to create XRecord context";
return;
}
XRecordEnableContextAsync(QX11Info::display(), gXRecordContext, &xRecordCallback, 0);
mProcessRepliesTimer->setSingleShot(false);
mProcessRepliesTimer->start(0);
#endif
#ifdef Q_WS_WIN
gMouseHook = SetWindowsHookEx(WH_MOUSE_LL, &LowLevelMouseProc, 0, 0);
gKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, &LowLevelKeyboardProc, 0, 0);
#endif
}
void Task::stop()
{
if(!mStarted)
return;
mStarted = false;
#ifdef Q_WS_X11
mProcessRepliesTimer->stop();
XRecordDisableContext(QX11Info::display(), gXRecordContext);
XRecordFreeContext(QX11Info::display(), gXRecordContext);
#endif
#ifdef Q_WS_WIN
UnhookWindowsHookEx(gMouseHook);
UnhookWindowsHookEx(gKeyboardHook);
#endif
}
#ifdef Q_WS_X11
void Task::processReplies()
{
//XRecordProcessReplies(QX11Info::display());
}
#endif
}
}
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