public async Task <int> TranslateAcceleratorAsync(MSG msg)
{
var message = new Message
{
hwnd = msg.hwnd,
message = (int)msg.message,
wParam = msg.wParam,
lParam = msg.lParam,
time = (int)msg.time,
pt_x = msg.pt.x,
pt_y = msg.pt.y
};
var used = ComponentDispatcher.RaiseThreadMessage(ref message);
if (used)
{
msg.message = (uint)message.message;
msg.wParam = message.wParam;
msg.lParam = message.lParam;
return(VSConstants.S_OK);
}
if (_propertyPageSite != null)
{
await _projectThreadingService.SwitchToUIThread();
return(_propertyPageSite.TranslateAccelerator(new MSG[] { msg }));
}
return(VSConstants.S_OK);
}
void ProcessMessage(ref MSG msg, ref bool handled)
{
if (msg.message == 786)
foreach (var Key in Keys)
if (msg.wParam.ToInt32() == Key.Key)
Key.Value();
}
public void HotKeyPressed(ref MSG msg, ref bool handled)
{
if (msg.message == 0x0312)
{
if (msg.wParam.ToInt32() == HOTKEY_1)
{
this.Data1.TimerStart();
}
if (msg.wParam.ToInt32() == HOTKEY_2)
{
this.Data2.TimerStart();
}
if (msg.wParam.ToInt32() == HOTKEY_3)
{
this.Data3.TimerStart();
}
if (msg.wParam.ToInt32() == HOTKEY_4)
{
this.Data1.Reset();
this.Data2.Reset();
this.Data3.Reset();
}
}
}
public bool TranslateAccelerator(ref MSG msg)
{
var message = new Message
{
hwnd = msg.hwnd,
message = (int)msg.message,
wParam = msg.wParam,
lParam = msg.lParam,
time = (int)msg.time,
pt_x = msg.pt.x,
pt_y = msg.pt.y
};
var used = ComponentDispatcher.RaiseThreadMessage(ref message);
if (used)
{
msg.message = (uint)message.message;
msg.wParam = message.wParam;
msg.lParam = message.lParam;
return(true);
}
return(false);
}
private static void ComponentDispatcherThreadFilterMessage(ref MSG msg, ref bool handled)
{
if (handled) return;
if (msg.message != WmHotKey) return;
HotKey hotKey;
if (!DictHotKeyToCalBackProc.TryGetValue((int)msg.wParam, out hotKey)) return;
hotKey.Action?.Invoke(hotKey);
handled = true;
}
public void HotKeyPressed(ref MSG msg, ref bool handled)
{
if (msg.message == 0x0312)
{
if (msg.wParam.ToInt32() == HOTKEY_1)
{
SetCursorPos(Settings1.Default.PosX, Settings1.Default.PosY);
}
}
}
void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
if (msg.message == WM_HOTKEY)
{
if (ShortcutPressed != null)
ShortcutPressed(this, EventArgs.Empty);
handled = true;
}
else
handled = false;
}
/// <summary>
/// Preprocess input (keyboard) messages in order to translate them to editor commands if they map. Since we are in a modal dialog
/// we need to tell the shell to allow pre-translate during a modal loop as well as instructing it to use the editor keyboard scope
/// even though, as far as the shell knows, there is no editor active (in a document or tool window, the shell knows nothing about
/// random modal dialogs such as this one).
/// </summary>
private void FilterThreadMessage(ref System.Windows.Interop.MSG msg, ref bool handled)
{
if (msg.message >= WM_KEYFIRST && msg.message <= WM_KEYLAST)
{
IVsFilterKeys2 filterKeys = (IVsFilterKeys2)ServiceProvider.GlobalProvider.GetService(typeof(SVsFilterKeys));
Microsoft.VisualStudio.OLE.Interop.MSG oleMSG = new Microsoft.VisualStudio.OLE.Interop.MSG()
{
hwnd = msg.hwnd, lParam = msg.lParam, wParam = msg.wParam, message = (uint)msg.message
};
//Ask the shell to do the command mapping for us and fire off the command if it succeeds with that mapping. We pass no 'custom' scopes
//(third and fourth argument) because we pass VSTAEXF_UseTextEditorKBScope to indicate we want the shell to apply the text editor
//command scope to this call.
Guid cmdGuid;
uint cmdId;
int fTranslated;
int fStartsMultiKeyChord;
int res = filterKeys.TranslateAcceleratorEx(new Microsoft.VisualStudio.OLE.Interop.MSG[] { oleMSG },
(uint)(__VSTRANSACCELEXFLAGS.VSTAEXF_UseTextEditorKBScope | __VSTRANSACCELEXFLAGS.VSTAEXF_AllowModalState),
0 /*scope count*/,
new Guid[0] /*scopes*/,
out cmdGuid,
out cmdId,
out fTranslated,
out fStartsMultiKeyChord);
if (fStartsMultiKeyChord == 0)
{
//HACK: Work around a bug in TranslateAcceleratorEx that will report it DIDN'T do the command mapping
//when in fact it did :( Problem has been fixed (since I found it while writing this code), but in the
//mean time we need to successfully eat keystrokes that have been mapped to commands and dispatched,
//we DON'T want them to continue on to Translate/Dispatch. "Luckily" asking TranslateAcceleratorEx to
//do the mapping WITHOUT firing the command will give us the right result code to indicate if the command
//mapped or not, unfortunately we can't always do this as it would break key-chords as it causes the shell
//to not remember the first input match of a multi-part chord, hence the reason we ONLY hit this block if
//it didn't tell us the input IS part of key-chord.
res = filterKeys.TranslateAcceleratorEx(new Microsoft.VisualStudio.OLE.Interop.MSG[] { oleMSG },
(uint)(__VSTRANSACCELEXFLAGS.VSTAEXF_NoFireCommand | __VSTRANSACCELEXFLAGS.VSTAEXF_UseTextEditorKBScope | __VSTRANSACCELEXFLAGS.VSTAEXF_AllowModalState),
0,
new Guid[0],
out cmdGuid,
out cmdId,
out fTranslated,
out fStartsMultiKeyChord);
handled = (res == VSConstants.S_OK);
return;
}
//We return true (that we handled the input message) if we managed to map it to a command OR it was the
//beginning of a multi-key chord, anything else should continue on with normal processing.
handled = ((res == VSConstants.S_OK) || (fStartsMultiKeyChord != 0));
}
}
private void ThreadPreprocessMessageMethod(ref MSG msg, ref bool handled)
{
if (!handled)
{
if (msg.message == NativeMethods.WM_HOTKEY
&& (int)(msg.wParam) == _id)
{
OnHotKeyPressed();
handled = true;
}
}
}
// HotKeyの動作を設定する
public void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
// ホットキーを表すメッセージであるか否か
if (msg.message != WM_HOTKEY) return;
// 自分が登録したホットキーか否か
var hotkeyID = msg.wParam.ToInt32();
if (!this._hotkeyEvents.Any((x) => x.Key == hotkeyID)) return;
// 両方を満たす場合は登録してあるホットキーのイベントを実行
new ThreadStart(
() => _hotkeyEvents[hotkeyID](this, EventArgs.Empty)
).Invoke();
}
bool OnWM_MESSAGE256(ref System.Windows.Interop.MSG msg, ref bool handled)
{
// // add extra variables to observe with Debugger //
IntPtr HWND, WParam, LParam;
HWND = msg.hwnd;
WParam = msg.wParam;
LParam = msg.lParam;
this.txt_HWND.Text = HWND.ToString();
this.txt_WParam.Text = WParam.ToString();
this.txt_LParam.Text = LParam.ToString();
this.txt_KeyData.Text = KeyInterop.KeyFromVirtualKey(WParam.ToInt32()).ToString();//keyData.ToString();
return(true);
}
private void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
if (msg.message == WM_HOTKEY)
{
try
{
_callback();
}
catch (Exception e)
{
Console.WriteLine(e);
}
handled = true;
}
}
void ComponentDispatcher_ThreadFilterMessage(ref System.Windows.Interop.MSG msg, ref bool handled)
{
switch (msg.message)
{
//这里只能以 INPUT 来截取，不支持 KEYDOWN 来截取，不然后面的 RawInput 获取值的时候无效
case Win32.WM_INPUT:
{
// Should never get here if you are using PreMessageFiltering
KeyPressEvent keyPressEvent;
_keyboardDriver.ProcessRawInput(msg.lParam, out keyPressEvent);
if (KeyInterop.KeyFromVirtualKey(keyPressEvent.VKey) == Key.Enter)
{
_isMonitoring = false;
Btn_OK.IsEnabled = true;
}
// 回车 作为结束标志
if (_isMonitoring && keyPressEvent.KeyPressState == "BREAK")
{
//存储 Win32 按键的int值
int key = keyPressEvent.VKey;
byte[] state = new byte[256];
Win32.GetKeyboardState(state);
_eventQ.Enqueue(new RawInput_dll.Win32.KeyAndState(key, state));
}
if (_isMonitoring == false)
{
str_ScanGunID = keyPressEvent.DeviceName;
}
}
break;
//这里截获这个消息有问题，替代方法是放到 WndProc 中去获取
case Win32.WM_USB_DEVICECHANGE:
{
}
break;
default:
break;
}
return;
}
public void Run()
{
var msg = new MSG();
while (true)
{
if (!GetMessage(ref msg, IntPtr.Zero, 0, 0))
{
break;
}
if (msg.message == WM_QUIT)
break;
User32Native.TranslateMessage(ref msg);
User32Native.DispatchMessage(ref msg);
}
}
void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
if (msg.message == WM_HOTKEY)
{
if (_mainWindow.WindowState == WindowState.Normal)
{
_mainWindow.WindowState = WindowState.Minimized;
}
else
{
_mainWindow.Show();
if (_mainWindow.WindowState == WindowState.Minimized)
{
_mainWindow.WindowState = WindowState.Normal;
}
_mainWindow.Activate();
}
}
}
// ******************************************************************
private static void ComponentDispatcherThreadFilterMessage(ref MSG msg, ref bool handled)
{
if (!handled)
{
if (msg.message == WmHotKey)
{
HotKey hotKey;
if (_dictHotKeyToCalBackProc.TryGetValue((int)msg.wParam, out hotKey))
{
if (hotKey.Action != null)
{
hotKey.Action.Invoke(hotKey);
}
handled = true;
}
}
}
}
/// <summary>
/// Called when the message pump receives a keyboard message.
/// </summary>
/// <param name="msg">A structure with the message data.</param>
/// <param name="handled">
/// <see langword="true"/> if the message was handled; otherwise, <see langword="false"/>.
/// </param>
private static void OnThreadFilterMessage(ref Message msg, ref bool handled)
{
if (Form == null)
{
return;
}
// Forward keyboard messages to the message loop of the game window. If they
// are not forwarded, XNA Keyboard class will not detect keypresses when the
// WPF window is active.
// To forward the messages to WinForms, we could also call
// System.Windows.Forms.Integration.ElementHost.EnableModelessKeyboardInterop(wpfWindow);
// This forwards the same keyboard messages, except the mouse wheel message.
int message = msg.message;
if (message == WindowMessages.WM_KEYDOWN ||
message == WindowMessages.WM_KEYUP ||
message == WindowMessages.WM_CHAR ||
message == WindowMessages.WM_DEADCHAR ||
message == WindowMessages.WM_SYSKEYDOWN ||
message == WindowMessages.WM_SYSKEYUP ||
message == WindowMessages.WM_SYSCHAR ||
message == WindowMessages.WM_SYSDEADCHAR ||
message == WindowMessages.WM_MOUSEWHEEL
#if MONOGAME
|| message == WindowMessages.WM_MOUSEMOVE ||
message == WindowMessages.WM_LBUTTONDOWN ||
message == WindowMessages.WM_LBUTTONUP ||
message == WindowMessages.WM_LBUTTONDBLCLK ||
message == WindowMessages.WM_MBUTTONDOWN ||
message == WindowMessages.WM_MBUTTONUP ||
message == WindowMessages.WM_MBUTTONDBLCLK ||
message == WindowMessages.WM_RBUTTONDOWN ||
message == WindowMessages.WM_RBUTTONUP ||
message == WindowMessages.WM_RBUTTONDBLCLK
#endif
)
{
NativeMethods.PostMessage(Handle, msg.message, msg.wParam, msg.lParam);
}
}
protected override bool TranslateAcceleratorCore(ref System.Windows.Interop.MSG msg, ModifierKeys mod)
{
if (msg.message is Api.WM_KEYDOWN or Api.WM_SYSKEYDOWN)
{
var key = (KKey)msg.wParam;
switch ((key, mod))
{
case (KKey.C, ModifierKeys.Control):
ZCopy();
return(true);
case (KKey.V, ModifierKeys.Control):
ZPaste();
return(true);
case (KKey.F12, 0):
Menus.Edit.Go_to_definition();
return(true);
default:
if (_ImageDeleteKey(key))
{
return(true);
}
if (CodeInfo.SciCmdKey(this, key, mod))
{
return(true);
}
switch ((key, mod))
{
case (KKey.Enter, 0):
case (KKey.Enter, ModifierKeys.Control | ModifierKeys.Shift):
zAddUndoPoint();
break;
}
break;
}
}
return(base.TranslateAcceleratorCore(ref msg, mod));
}
private void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
var now = DateTime.UtcNow.Ticks;
if (msg.message != WM_HOTKEY) return;
handled = true;
if (now - _lastTickHotkeyWasPressed > _ticksToConsiderHotKeyTrigger)
{
_lastTickHotkeyWasPressed = now;
return;
}
_lastTickHotkeyWasPressed = now;
try
{
_callback();
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
/// <summary>
/// Called by the WebOC whenever its IOleInPlaceActiveObject::TranslateAccelerator() is called.
/// See also the IOleControlSite.TranslateAccelerator() implementation here.
/// </summary>
int UnsafeNativeMethods.IDocHostUIHandler.TranslateAccelerator(ref System.Windows.Interop.MSG msg, ref Guid group, int nCmdID)
{
//
// Returning S_FALSE will allow the native control to do default processing,
// i.e., execute the shortcut key. Returning S_OK will cancel the shortcut key.
/* WebBrowser wb = (WebBrowser)this.Host;
*
* if (!wb.WebBrowserShortcutsEnabled)
* {
* int keyCode = (int)msg.wParam | (int)Control.ModifierKeys;
*
* if (msg.message != WindowMessage.WM_CHAR
* && Enum.IsDefined(typeof(Shortcut), (Shortcut)keyCode)) {
* return NativeMethods.S_OK;
* }
* return NativeMethods.S_FALSE;
* }
*/
return(NativeMethods.S_FALSE);
}
static void Main(string[] args)
{
Mapper.Init();
var messageContainer = MessageModelsHelper.GetMessageContainer();
var window = SystemMessageSender.FindWindow(null, Constants.WindowName);
//Thread.Sleep(5000);
//SystemMessageSender.ShowWindowAsync(window, 9); //restore
//Console.WriteLine("restored window");
//Thread.Sleep(5000);
Thread.Sleep(10000);
foreach (var msg in messageContainer.Msgs)
{
//SystemMessageSender.PostMessage((IntPtr)msg.Hwnd, msg.Message, (int)msg.WParam, (int)msg.LParam);
//var m = AutoMapper.Mapper.Map<MSG>(msg);
Thread.Sleep(10);
var rmsg = new MSG()
{
hwnd = window,
lParam = msg.lParam,
message = msg.message,
wParam = msg.wParam,
time = msg.time,
pt_x = msg.pt_x,
pt_y = msg.pt_y
};
var result2 = SystemMessageSender.PostMessage(window, rmsg.message, rmsg.wParam, rmsg.lParam);
//if (rmsg.message != 15)
//{
// var result2 = SystemMessageSender.TranslateMessage(ref rmsg);
//}
}
}
public int TranslateAccelerator(VsMsg[] pMsg)
{
if (pMsg == null || pMsg.Length == 0)
{
throw new ArgumentNullException(nameof(pMsg));
}
var xMsg = pMsg[0];
var xMessage = new Message();
xMessage.hwnd = xMsg.hwnd;
xMessage.message = (int)xMsg.message;
xMessage.wParam = xMsg.wParam;
xMessage.lParam = xMsg.lParam;
xMessage.time = (int)xMsg.time;
xMessage.pt_x = xMsg.pt.x;
xMessage.pt_y = xMsg.pt.y;
var xUsed = ComponentDispatcher.RaiseThreadMessage(ref xMessage);
if (xUsed)
{
xMsg.message = (uint)xMessage.message;
xMsg.wParam = xMessage.wParam;
xMsg.lParam = xMessage.lParam;
return(VSConstants.S_OK);
}
int xResult = 0;
if (mPropertyPageSite != null)
{
ProjectThreadingService.SwitchToUIThread();
xResult = mPropertyPageSite.TranslateAccelerator(pMsg);
}
return(xResult);
}
public bool PreFilterMessage(ref SWF.Message msg)
{
if (_window == null || !_window.IsActive)
{
return(false);
}
switch (msg.Msg)
{
case NativeMethods.WM_KEYDOWN: //0x100
case NativeMethods.WM_KEYUP: //0x101
case NativeMethods.WM_CHAR: //0x102
case NativeMethods.WM_DEADCHAR: //0x103
case NativeMethods.WM_SYSKEYDOWN: //0x104
case NativeMethods.WM_SYSKEYUP: //0x105
case NativeMethods.WM_SYSCHAR: //0x106
case NativeMethods.WM_SYSDEADCHAR: //0x107
if (!_inPreFilterMessage)
{
_inPreFilterMessage = true;
try
{
SW.Interop.MSG msg2 = Convert.ToSystemWindowsInteropMSG(msg);
bool fReturn = SW.Interop.ComponentDispatcher.RaiseThreadMessage(ref msg2);
return(fReturn);
}
finally
{
_inPreFilterMessage = false;
}
}
return(false);
default:
return(false);
}
}
void ComponentDispatcher_ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
if (msg.message == NativeMethods.WM_KEYDOWN)
{
Modifiers = Modifiers | ModifierForVK((Keys)msg.wParam);
}
if (msg.message == NativeMethods.WM_KEYUP)
{
Keys upKey = (Keys)msg.wParam;
ModifierKeys mods = ModifierForVK(upKey);
if (mods != ModifierKeys.None)
{
Modifiers = Modifiers & ~ModifierForVK(upKey);
}
else if (upKey != Keys.None)
{
Key = upKey;
DispatcherTimer minizeTimer = new DispatcherTimer(new TimeSpan(0, 0, 0, 0, 250), DispatcherPriority.Normal, TimedClose, Dispatcher);
minizeTimer.Start();
}
}
HotKeyDescription = KeyboardEmulator.ModifierKeysToString(Modifiers) + Key.ToString();
}
void ComponentDispatcher_ThreadFilterMessage(ref System.Windows.Interop.MSG msg, ref bool handled)
{
switch (msg.message)
{
case Win32.WM_INPUT:
{
// Should never get here if you are using PreMessageFiltering
_keyboardDriver.ProcessRawInput(msg.lParam);
this.OnWM_MESSAGE256(ref msg, ref handled); //handled =
}
break;
case WM_USB_DEVICECHANGE:
{
Debug.WriteLine("USB Device Arrival / Removal");
_keyboardDriver.EnumerateDevices();
}
break;
default:
break;
}
return;
}
// Delegate IKeyboardInputSink calls to the hosted HwndSource.
protected override sealed bool TranslateAcceleratorCore(ref MSG msg, ModifierKeys modifiers)
{
if (_hwndSource != null) {
HwndSourceHostRoot root = (HwndSourceHostRoot)_hwndSource.RootVisual;
Debug.Assert(root.IsLogicalParentEnabled);
root.IsLogicalParentEnabled = false;
try {
return ((IKeyboardInputSink)_hwndSource).TranslateAccelerator(ref msg, modifiers);
} finally {
root.IsLogicalParentEnabled = true;
}
} else {
return base.TranslateAcceleratorCore(ref msg, modifiers);
}
}
/// <summary>
/// 系统消息处理函数
/// </summary>
/// <param name="msg"></param>
/// <param name="handled"></param>
private void MessageFilter(ref System.Windows.Interop.MSG msg, ref bool handled)
{
//1:让TWAIN进行消息处理
TwainCommand cmd = twSession.PassMessageWPF(ref msg);
messageLogger.Debug("TWAIN 信息 = " + cmd + ":" + DateTime.Now);
if (cmd == TwainCommand.Not || cmd == TwainCommand.Null) // 非数据源消息
{
handled = false; // 消息未处理，由窗口过程处理
return;
}
//2：进行消息处理
switch (cmd)
{
case TwainCommand.CloseRequest:
{
configFlag = false;
EndingScan();
twSession.DisableDS();
break;
}
case TwainCommand.CloseOk:
{
configFlag = true;
EndingScan();
twSession.DisableDS();
break;
}
case TwainCommand.DeviceEvent:
{
break;
}
//扫描仪传输就绪函数
case TwainCommand.TransferReady:
{
loadAndUnloadLogger.Debug("TWAIN 信息 = TransferReady " + DateTime.Now);
ScanImageViewer scanViewer = null;
try
{
if (ShowProgress)
{
//方式一：启动文件传输，弹出进度提示对话框
//获得文件格式
CapInfo capInfo;
capInfo = twSession.GetScannerCap(TwCap.ICAP_IMAGEFILEFORMAT);
string intStr = capInfo.CurrentIntStr;
string enumStr = twSession.ConvertIntStringToEnumString(TwCap.ICAP_IMAGEFILEFORMAT, intStr);
TwFileFormat fileFormat = (TwFileFormat)Enum.Parse(typeof(TwFileFormat), enumStr);
//获取分辨率
capInfo = twSession.GetScannerCap(TwCap.ICAP_XRESOLUTION);
Int32 resolution = Int32.Parse(capInfo.CurrentIntStr);
// 获得空白页检测阈值
capInfo = twSession.GetScannerCap(TwCap.ICAP_AUTODISCARDBLANKPAGES);
intStr = capInfo.CurrentIntStr;
int blankImageSizeThreshold = 0;
if (!Int32.TryParse(intStr, out blankImageSizeThreshold))
{
blankImageSizeThreshold = 0;
}
scanViewer = new ScanImageViewer(twSession, userConfig.MaxSize, blankImageSizeThreshold, resolution, fileFormat); //生成显示控件对象
scanViewer.StartTransfer(); //开始图像传输
scanViewer.ShowDialog(); //展示显示控件
scanResultList = scanViewer.ScanFileNames; //获取文件传输过程中的列表
}
else
{
//方式二：设置鼠标为等待状态，在相同线程中启动文件传输
Mouse.OverrideCursor = Cursors.Wait;
TransferFiles();
}
//发出扫描完成事件
logger.Debug("扫描完成 :" + DateTime.Now);
RoutedEventArgs scanArgs = new RoutedEventArgs(ScanCompletedEvent);
RaiseEvent(scanArgs);
break;
}
catch (Exception e)
{
logger.Error("在MessageFilter中发生异常，异常信息; " + e.Message);
}
finally
{
if (scanViewer != null)
{
logger.Debug("关闭扫描仪。");
scanViewer.Close();
}
//结束扫描
logger.Debug("结束扫描，使DS变为非使能状态。");
EndingScan();
twSession.DisableDS();
if (!ShowProgress)
{
//将鼠标复位
Mouse.OverrideCursor = null;
}
}
break;
}
default:
break;
}
handled = true;
}
void ThreadPreprocessMessage(ref MSG msg, ref bool handled)
{
var id = msg.wParam.ToInt32();
if (msg.message == 0x0312 && msg.hwnd == handle) {
// ID = mod * 1000 + key
// Key = ID / modifier * 1000
var str = id.ToString();
var key = str.Length > 4 ? id / (int.Parse(str.Substring(0, 1)) * 1000) : id;
// Fire event because a key was captured by the handler
// Whether it's registered or not
OnKeyCaptured(KeyInterop.KeyFromVirtualKey(key));
// Only handle if this key is registered
if (Hotkeys.ContainsKey(id)) {
var _hotkey = Hotkeys[id];
_hotkey.Method.Invoke(_hotkey.Parameter);
}
}
}
protected virtual bool OnMnemonicCore(ref MSG msg, ModifierKeys modifiers)
{
return false;
}
bool IKeyboardInputSink.OnMnemonic(ref MSG msg, ModifierKeys modifiers)
{
return OnMnemonicCore(ref msg, modifiers);
}
private static extern int ForwardTranslateAccelerator(ref MSG pMsg, bool appUnhandled);
public static bool RaiseThreadMessage(ref MSG msg)
{
ComponentDispatcherThread data = ComponentDispatcher.CurrentThreadData;
return(data.RaiseThreadMessage(ref msg));
}
int UnsafeNativeMethods.IOleControlSite.TranslateAccelerator(ref MSG msg, int grfModifiers)
{
// Handle tabbing out of the WebOC
if ((WindowMessage)msg.message == WindowMessage.WM_KEYDOWN && (int)msg.wParam == NativeMethods.VK_TAB)
{
FocusNavigationDirection direction =
(grfModifiers & 1/*KEYMOD_SHIFT*/) != 0 ?
FocusNavigationDirection.Previous : FocusNavigationDirection.Next;
// For the WebOCHostedInBrowserProcess case, we need to switch to the right thread.
Host.Dispatcher.Invoke(
DispatcherPriority.Send, new SendOrPostCallback(MoveFocusCallback), direction);
return NativeMethods.S_OK;
}
return NativeMethods.S_FALSE;
}
internal IntPtr FilterMessage(IntPtr hwnd, WindowMessage message, IntPtr wParam, IntPtr lParam, ref bool handled)
{
IntPtr result = IntPtr.Zero;
// It is possible to be re-entered during disposal. Just return.
if (null == _source || null == _source.Value)
{
return(result);
}
_msgTime = 0;
try
{
_msgTime = SafeNativeMethods.GetMessageTime();
}
catch (System.ComponentModel.Win32Exception)
{
System.Diagnostics.Debug.WriteLine("HwndKeyboardInputProvider: GetMessageTime failed!");
}
switch (message)
{
// WM_KEYDOWN is sent when a nonsystem key is pressed.
// A nonsystem key is a key that is pressed when the ALT key
// is not pressed.
// WM_SYSKEYDOWN is sent when a system key is pressed.
case WindowMessage.WM_SYSKEYDOWN:
case WindowMessage.WM_KEYDOWN:
{
// If we have a IKeyboardInputSite, then we should have already
// called ProcessKeyDown (from TranslateAccelerator)
// But there are several paths (our message pump / app's message
// pump) where we do (or don't) call through IKeyboardInputSink.
// So the best way is to just check here if we already did it.
if (_source.Value.IsRepeatedKeyboardMessage(hwnd, (int)message, wParam, lParam))
{
break;
}
// We will use the current time before generating KeyDown events so we can filter
// the later posted WM_CHAR.
int currentTime = 0;
try
{
currentTime = SafeNativeMethods.GetTickCount();
}
catch (System.ComponentModel.Win32Exception)
{
System.Diagnostics.Debug.WriteLine("HwndMouseInputProvider: GetTickCount failed!");
}
// MITIGATION: HANDLED_KEYDOWN_STILL_GENERATES_CHARS
// In case a nested message pump is used before we return
// from processing this message, we disable processing the
// next WM_CHAR message because if the code pumps messages
// it should really mark the message as handled.
HwndSource._eatCharMessages = true;
DispatcherOperation restoreCharMessages = Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback(HwndSource.RestoreCharMessages), null);
// Force the Dispatcher to post a new message to service any
// pending operations, so that the operation we just posted
// is guaranteed to get dispatched after any pending WM_CHAR
// messages are dispatched.
Dispatcher.CriticalRequestProcessing(true);
MSG msg = new MSG(hwnd, (int)message, wParam, lParam, _msgTime, 0, 0);
ProcessKeyAction(ref msg, ref handled);
if (!handled)
{
// MITIGATION: HANDLED_KEYDOWN_STILL_GENERATES_CHARS
// We did not handle the WM_KEYDOWN, so it is OK to process WM_CHAR messages.
// We can also abort the pending restore operation since we don't need it.
HwndSource._eatCharMessages = false;
restoreCharMessages.Abort();
}
// System.Console.WriteLine("KEYDOWN(message={0}, wParam={1})={2}", message, wParam, handled);
}
break;
// WM_KEYUP is sent when a nonsystem key is released.
// A nonsystem key is a key that is pressed when the ALT key
// is not pressed.
// WM_SYSKEYUP is sent when a system key is released.
case WindowMessage.WM_SYSKEYUP:
case WindowMessage.WM_KEYUP:
{
if (_source.Value.IsRepeatedKeyboardMessage(hwnd, (int)message, wParam, lParam))
{
break;
}
MSG msg = new MSG(hwnd, (int)message, wParam, lParam, _msgTime, 0, 0);
ProcessKeyAction(ref msg, ref handled);
// System.Console.WriteLine("KEYUP (message={0}, wParam={1})={2}", message, wParam, handled);
}
break;
// WM_UNICHAR (UTF-32) support needs to be implemented
// case WindowMessage.WM_UNICHAR:
case WindowMessage.WM_CHAR:
case WindowMessage.WM_DEADCHAR:
case WindowMessage.WM_SYSCHAR:
case WindowMessage.WM_SYSDEADCHAR:
{
if (_source.Value.IsRepeatedKeyboardMessage(hwnd, (int)message, wParam, lParam))
{
break;
}
// MITIGATION: HANDLED_KEYDOWN_STILL_GENERATES_CHARS
if (HwndSource._eatCharMessages)
{
break;
}
ProcessTextInputAction(hwnd, message, wParam, lParam, ref handled);
// System.Console.WriteLine("CHAR(message={0}, wParam={1})={2}", message, wParam, handled);
}
break;
case WindowMessage.WM_EXITMENULOOP:
case WindowMessage.WM_EXITSIZEMOVE:
{
// MITIGATION: KEYBOARD_STATE_OUT_OF_SYNC
//
// Avalon relies on keeping it's copy of the keyboard
// state. This is for a number of reasons, including that
// we need to be able to give this state to worker threads.
//
// There are a number of cases where Win32 eats the
// keyboard messages, and this can cause our keyboard
// state to become stale. Obviously this can happen when
// another app is in the foreground, but we handle that
// by re-synching our keyboard state when we get focus.
//
// Other times are when Win32 enters a nested loop. While
// any one could enter a nested loop at any time for any
// reason, Win32 is nice enough to let us know when it is
// finished with the two common loops: menus and sizing.
// We re-sync our keyboard device in response to these.
//
if (_active)
{
_partialActive = true;
ReportInput(hwnd,
InputMode.Foreground,
_msgTime,
RawKeyboardActions.Activate,
0,
false,
false,
0);
}
}
break;
// WM_SETFOCUS is sent immediately after focus is granted.
// This is our clue that the keyboard is active.
case WindowMessage.WM_SETFOCUS:
{
OnSetFocus(hwnd);
handled = true;
}
break;
// WM_KILLFOCUS is sent immediately before focus is removed.
// This is our clue that the keyboard is inactive.
case WindowMessage.WM_KILLFOCUS:
{
if (_active && wParam != _source.Value.CriticalHandle)
{
// Console.WriteLine("WM_KILLFOCUS");
if (_source.Value.RestoreFocusMode == RestoreFocusMode.Auto)
{
// when the window that's acquiring focus (wParam) is
// a descendant of our window, remember the immediate
// child so that we can restore focus to it.
_restoreFocusWindow = GetImmediateChildFor((IntPtr)wParam, _source.Value.CriticalHandle);
_restoreFocus = null;
// If we aren't restoring focus to a child window,
// then restore focus to the element that currently
// has WPF keyboard focus if it is directly in this
// HwndSource.
if (_restoreFocusWindow == IntPtr.Zero)
{
DependencyObject focusedDO = Keyboard.FocusedElement as DependencyObject;
if (focusedDO != null)
{
HwndSource hwndSource = PresentationSource.CriticalFromVisual(focusedDO) as HwndSource;
if (hwndSource == _source.Value)
{
_restoreFocus = focusedDO as IInputElement;
}
}
}
}
PossiblyDeactivate((IntPtr)wParam);
}
handled = true;
}
break;
// WM_UPDATEUISTATE is sent when the user presses ALT, expecting
// the app to display accelerator keys. We don't always hear the
// keystroke - another message loop may handle it. So report it
// here.
case WindowMessage.WM_UPDATEUISTATE:
{
RawUIStateInputReport report =
new RawUIStateInputReport(_source.Value,
InputMode.Foreground,
_msgTime,
(RawUIStateActions)NativeMethods.SignedLOWORD((int)wParam),
(RawUIStateTargets)NativeMethods.SignedHIWORD((int)wParam));
_site.Value.ReportInput(report);
handled = true;
}
break;
}
if (handled && EventTrace.IsEnabled(EventTrace.Keyword.KeywordInput | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Info))
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientInputMessage,
EventTrace.Keyword.KeywordInput | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Info,
Dispatcher.GetHashCode(),
hwnd.ToInt64(),
message,
(int)wParam,
(int)lParam);
}
return(result);
}
protected virtual new bool TranslateCharCore(ref MSG msg, System.Windows.Input.ModifierKeys modifiers)
{
return default(bool);
}
bool IKeyboardInputSink.TranslateChar(ref MSG msg, ModifierKeys modifiers)
{
return TranslateCharCore(ref msg, modifiers);
}
protected virtual new bool OnMnemonicCore(ref MSG msg, System.Windows.Input.ModifierKeys modifiers)
{
return default(bool);
}
protected virtual bool TranslateCharCore(ref MSG msg, ModifierKeys modifiers)
{
return false;
}
protected override bool TranslateAcceleratorCore(ref MSG msg, ModifierKeys modifiers)
{
SyncUIActiveState();
Invariant.Assert(ActiveXState >= ActiveXHelper.ActiveXState.UIActive, "Should be at least UIActive when we are processing accelerator keys");
return (ActiveXInPlaceActiveObject.TranslateAccelerator(ref msg) == 0);
}
private void ComponentDispatcherThreadFilterMessage(ref MSG msg, ref bool handled)
{
if (!handled)
{
if (msg.message == WmHotKey)
{
HotKey hotKey;
if (dictHotKeyToCalBackProc.TryGetValue((int)msg.wParam, out hotKey))
{
if (Activated != null)
Activated.Invoke();
handled = true;
}
}
}
}
public static bool RaiseThreadMessage(ref MSG msg)
{
ComponentDispatcherThread data = ComponentDispatcher.CurrentThreadData;
return data.RaiseThreadMessage(ref msg);
}
// Delegate IKeyboardInputSink calls to the hosted HwndSource.
protected override sealed bool OnMnemonicCore(ref MSG msg, ModifierKeys modifiers)
{
if (_hwndSource != null) {
return ((IKeyboardInputSink)_hwndSource).OnMnemonic(ref msg, modifiers);
} else {
return base.OnMnemonicCore(ref msg, modifiers);
}
}
private void ComponentDispatcherThreadFilterMessage(ref MSG msg, ref bool handled)
{
//_messageContainer.Msgs.Add(msg);
var msgId = msg.message;
if (Enum.GetValues(typeof(MessageType)).Cast<MessageType>().Any(x => (int)x == msgId))
{
Debug.WriteLine("ComponentDispatcherThreadFilterMessage");
Debug.WriteLine((MessageType)msgId);
}
}
// Delegate IKeyboardInputSink calls to the hosted HwndSource.
protected override sealed bool TranslateCharCore(ref MSG msg, ModifierKeys modifiers)
{
if (_hwndSource != null) {
return ((IKeyboardInputSink)_hwndSource).TranslateChar(ref msg, modifiers);
} else {
return base.TranslateCharCore(ref msg, modifiers);
}
}
string getString(MSG m)
{
return string.Format("hwnd: {0:X4}\t message: {1:X4}\t Wparam: {2:X4}\t Lparam: {3:X4}", m.hwnd, m.message, m.wParam, m.lParam);
}
private static extern bool PeekMessage(out System.Windows.Interop.MSG msg_0, IntPtr intptr_1, uint uint_0, uint uint_1, uint uint_2);
void ComponentDispatcher_ThreadFilterMessage(ref System.Windows.Interop.MSG msg, ref bool handled)
{
switch (msg.message)
{
//这里只能以 INPUT 来截取，不支持 KEYDOWN 来截取，不然后面的 RawInput 获取值的时候无效
case Win32.WM_INPUT:
{
// Should never get here if you are using PreMessageFiltering
KeyPressEvent keyPressEvent;
_keyboardDriver.ProcessRawInput(msg.lParam, out keyPressEvent);
textBox_ScanGunInfoNow.Text = keyPressEvent.DeviceName;
//只处理一次事件，不然有按下和弹起事件
if (keyPressEvent.KeyPressState == "MAKE" && keyPressEvent.DeviceName == str_ScanGunID && str_ScanGunID != string.Empty)
{
textBox_Output.Focus();
//找到结尾标志的时候，就不加入队列了，然后就发送到界面上赋值
if (KeyInterop.KeyFromVirtualKey(keyPressEvent.VKey) == Key.Enter)
{
_isMonitoring = false;
string str_Out = string.Empty;
ThreadPool.QueueUserWorkItem((o) =>
{
while (_eventQ.Count > 0)
{
RawInput_dll.Win32.KeyAndState keyAndState = _eventQ.Dequeue();
str_Out += CalibrationScanGun.Chr(keyAndState.Key).ToString();
System.Threading.Thread.Sleep(5); // might need adjustment
}
Application.Current.Dispatcher.BeginInvoke((Action)(() =>
{
textBox_Output.Text = str_Out;
}));
_eventQ.Clear();
_isMonitoring = true;
});
}
// 回车 作为结束标志
if (_isMonitoring)
{
//存储 Win32 按键的int值
int key = keyPressEvent.VKey;
byte[] state = new byte[256];
Win32.GetKeyboardState(state);
_eventQ.Enqueue(new RawInput_dll.Win32.KeyAndState(key, state));
}
}
}
break;
case Win32.WM_KEYDOWN:
{
KeyPressEvent keyPressEvent;
_keyboardDriver.ProcessRawInput(msg.lParam, out keyPressEvent);
if (keyPressEvent.DeviceName == str_ScanGunID && str_ScanGunID != string.Empty)
{
handled = true;
}
}
break;
//这里截获这个消息有问题，替代方法是放到 WndProc 中去获取
case Win32.WM_USB_DEVICECHANGE:
{
}
break;
default:
break;
}
return;
}
