private void PrepareSend()
{
IntPtr hWnd = NativeMethods.GetForegroundWindowHandle();
m_swiCurrent = GetWindowInfo(hWnd);
EnsureSameKeyboardLayout();
}
private void InitForEnv()
{
#if DEBUG
Stopwatch sw = Stopwatch.StartNew();
#endif
try
{
m_hklCurrent = NativeMethods.GetKeyboardLayout(0);
m_hklOriginal = m_hklCurrent;
Debug.Assert(m_hklOriginal != IntPtr.Zero);
Process[] vProcesses = Process.GetProcesses();
foreach (Process p in vProcesses)
{
if (p == null)
{
Debug.Assert(false); continue;
}
try
{
string strName = SiWindowInfo.GetProcessName(p);
// If the Neo keyboard layout is being used, we must
// send Unicode characters; keypresses are converted
// and thus do not lead to the expected result
if (SiWindowInfo.ProcessNameMatches(strName, "Neo20"))
{
FileVersionInfo fvi = p.MainModule.FileVersionInfo;
if (((fvi.ProductName ?? string.Empty).Trim().Length == 0) &&
((fvi.FileDescription ?? string.Empty).Trim().Length == 0))
{
m_osmEnforced = SiSendMethod.UnicodePacket;
}
else
{
Debug.Assert(false);
}
}
else if (SiWindowInfo.ProcessNameMatches(strName, "KbdNeo_Ahk"))
{
m_osmEnforced = SiSendMethod.UnicodePacket;
}
}
catch (Exception) { Debug.Assert(false); }
try { p.Dispose(); }
catch (Exception) { Debug.Assert(false); }
}
}
catch (Exception) { Debug.Assert(false); }
#if DEBUG
sw.Stop();
Debug.Assert(sw.ElapsedMilliseconds < 100);
#endif
}
private SiSendMethod GetSendMethod(SiWindowInfo swi)
{
if (m_osmEnforced.HasValue)
{
return(m_osmEnforced.Value);
}
return(swi.SendMethod);
}
private SiWindowInfo PrepareSend()
{
IntPtr hWnd = NativeMethods.GetForegroundWindowHandle();
SiWindowInfo swi = GetWindowInfo(hWnd);
EnsureSameKeyboardLayout(swi);
return(swi);
}
private SiWindowInfo GetWindowInfo(IntPtr hWnd)
{
SiWindowInfo swi;
if (m_dWindowInfos.TryGetValue(hWnd, out swi))
{
return(swi);
}
swi = new SiWindowInfo(hWnd);
m_dWindowInfos[hWnd] = swi;
return(swi);
}
private SiWindowInfo GetWindowInfo(IntPtr hWnd)
{
SiWindowInfo swi;
if (m_dWindowInfos.TryGetValue(hWnd, out swi))
{
return(swi);
}
swi = new SiWindowInfo(hWnd);
Process p = null;
try
{
uint uPID;
uint uTID = NativeMethods.GetWindowThreadProcessId(hWnd, out uPID);
swi.KeyboardLayout = NativeMethods.GetKeyboardLayout(uTID);
p = Process.GetProcessById((int)uPID);
string strName = GetProcessName(p);
foreach (KeyValuePair <string, SiSendMethod> kvp in g_dProcessSendMethods)
{
if (ProcessNameMatches(strName, kvp.Key))
{
swi.SendMethod = kvp.Value;
break;
}
}
}
catch (Exception) { Debug.Assert(false); }
finally
{
try { if (p != null)
{
p.Dispose();
}
}
catch (Exception) { Debug.Assert(false); }
}
m_dWindowInfos[hWnd] = swi;
return(swi);
}
public override void SendCharImpl(char ch, bool?bDown)
{
SiWindowInfo swi = PrepareSend();
if (TrySendCharByKeypresses(ch, bDown, swi))
{
return;
}
if (bDown.HasValue)
{
SendCharNative(ch, bDown.Value);
return;
}
SendCharNative(ch, true);
SendCharNative(ch, false);
}
private void EnsureSameKeyboardLayout(SiWindowInfo swi)
{
if (!Program.Config.Integration.AutoTypeAdjustKeyboardLayout)
{
return;
}
IntPtr hklTarget = swi.KeyboardLayout;
Debug.Assert(hklTarget != IntPtr.Zero);
Debug.Assert(NativeMethods.GetKeyboardLayout(0) == m_hklCurrent);
if ((m_hklCurrent != hklTarget) && (hklTarget != IntPtr.Zero))
{
if (NativeMethods.ActivateKeyboardLayout(hklTarget, 0) != m_hklCurrent)
{
Debug.Assert(false);
}
m_hklCurrent = hklTarget;
Thread.Sleep(1);
Application.DoEvents();
}
}
private bool TrySendCharByKeypresses(char ch, bool? bDown, SiWindowInfo swi)
{
if(ch == char.MinValue) { Debug.Assert(false); return false; }
SiSendMethod sm = GetSendMethod(swi);
if(sm == SiSendMethod.UnicodePacket) return false;
if(m_vForcedUniChars == null)
m_vForcedUniChars = new char[] {
// All of the following diacritics are spacing / non-combining
'\u00B4', // Acute accent
'\u02DD', // Double acute accent
'\u0060', // Grave accent
'\u02D8', // Breve
'\u00B8', // Cedilla
'\u005E', // Circumflex ^
'\u00A8', // Diaeresis
'\u02D9', // Dot above
'\u00AF', // Macron above, long
'\u02C9', // Macron above, modifier, short
'\u02CD', // Macron below, modifier, short
'\u02DB', // Ogonek
// E.g. for US-International;
// https://sourceforge.net/p/keepass/discussion/329220/thread/5708e5ef/
'\u0027', // Apostrophe
'\u0022', // Quotation mark
'\u007E' // Tilde
};
if(sm != SiSendMethod.KeyEvent) // If Unicode packets allowed
{
if(Array.IndexOf<char>(m_vForcedUniChars, ch) >= 0) return false;
}
IntPtr hKL = swi.KeyboardLayout;
ushort u = ((hKL == IntPtr.Zero) ? NativeMethods.VkKeyScan(ch) :
NativeMethods.VkKeyScanEx(ch, hKL));
if(u == 0xFFFFU) return false;
int vKey = (int)(u & 0xFFU);
Keys kMod = Keys.None;
int nMods = 0;
if((u & 0x100U) != 0U) { ++nMods; kMod |= Keys.Shift; }
if((u & 0x200U) != 0U) { ++nMods; kMod |= Keys.Control; }
if((u & 0x400U) != 0U) { ++nMods; kMod |= Keys.Alt; }
if((u & 0x800U) != 0U) return false; // Hankaku unsupported
// Do not send a key combination that is registered as hot key;
// https://sourceforge.net/p/keepass/bugs/1235/
// Windows shortcut hot keys involve at least 2 modifiers
if(nMods >= 2)
{
Keys kFull = (kMod | (Keys)vKey);
if(HotKeyManager.IsHotKeyRegistered(kFull, true))
return false;
}
Keys kModDiff = (kMod & ~m_kModCur);
if(kModDiff != Keys.None)
{
// Send RAlt for better AltGr compatibility;
// https://sourceforge.net/p/keepass/bugs/1475/
SetKeyModifierImplEx(kModDiff, true, true);
Thread.Sleep(1);
Application.DoEvents();
}
SendKeyImpl(vKey, null, bDown);
if(kModDiff != Keys.None)
{
Thread.Sleep(1);
Application.DoEvents();
SetKeyModifierImplEx(kModDiff, false, true);
}
return true;
}
private SiWindowInfo GetWindowInfo(IntPtr hWnd)
{
SiWindowInfo swi;
if(m_dWindowInfos.TryGetValue(hWnd, out swi)) return swi;
swi = new SiWindowInfo(hWnd);
Process p = null;
try
{
uint uPID;
uint uTID = NativeMethods.GetWindowThreadProcessId(hWnd, out uPID);
swi.KeyboardLayout = NativeMethods.GetKeyboardLayout(uTID);
p = Process.GetProcessById((int)uPID);
string strName = GetProcessName(p);
foreach(KeyValuePair<string, SiSendMethod> kvp in g_dProcessSendMethods)
{
if(ProcessNameMatches(strName, kvp.Key))
{
swi.SendMethod = kvp.Value;
break;
}
}
}
catch(Exception) { Debug.Assert(false); }
finally
{
try { if(p != null) p.Dispose(); }
catch(Exception) { Debug.Assert(false); }
}
m_dWindowInfos[hWnd] = swi;
return swi;
}
private SiSendMethod GetSendMethod(SiWindowInfo swi)
{
if(m_osmEnforced.HasValue) return m_osmEnforced.Value;
return swi.SendMethod;
}
private void EnsureSameKeyboardLayout(SiWindowInfo swi)
{
if(!Program.Config.Integration.AutoTypeAdjustKeyboardLayout) return;
IntPtr hklTarget = swi.KeyboardLayout;
Debug.Assert(hklTarget != IntPtr.Zero);
Debug.Assert(NativeMethods.GetKeyboardLayout(0) == m_hklCurrent);
if((m_hklCurrent != hklTarget) && (hklTarget != IntPtr.Zero))
{
if(NativeMethods.ActivateKeyboardLayout(hklTarget, 0) != m_hklCurrent)
{
Debug.Assert(false);
}
m_hklCurrent = hklTarget;
Thread.Sleep(1);
Application.DoEvents();
}
}
private SiWindowInfo GetWindowInfo(IntPtr hWnd)
{
SiWindowInfo swi;
if (m_dWindowInfos.TryGetValue(hWnd, out swi))
{
return(swi);
}
swi = new SiWindowInfo(hWnd);
Process p = null;
try
{
uint uPID;
uint uTID = NativeMethods.GetWindowThreadProcessId(hWnd, out uPID);
swi.KeyboardLayout = NativeMethods.GetKeyboardLayout(uTID);
p = Process.GetProcessById((int)uPID);
string strName = GetProcessName(p);
foreach (KeyValuePair <string, SiSendMethod> kvp in g_dProcessSendMethods)
{
if (ProcessNameMatches(strName, kvp.Key))
{
swi.SendMethod = kvp.Value;
break;
}
}
// The workaround attempt for Edge below doesn't work;
// Edge simply ignores Unicode packets for '@', Euro sign, etc.
/* if(swi.SendMethod == SiSendMethod.Default)
* {
* string strTitle = NativeMethods.GetWindowText(hWnd, true);
*
* // Workaround for Edge;
* // https://sourceforge.net/p/keepass/discussion/329220/thread/fd3a6776/
* // The window title is:
* // Page name + Space + U+200E (left-to-right mark) + "- Microsoft Edge"
* if(strTitle.EndsWith("- Microsoft Edge", StrUtil.CaseIgnoreCmp))
* swi.SendMethod = SiSendMethod.UnicodePacket;
* } */
}
catch (Exception) { Debug.Assert(false); }
finally
{
try { if (p != null)
{
p.Dispose();
}
}
catch (Exception) { Debug.Assert(false); }
}
m_dWindowInfos[hWnd] = swi;
return(swi);
}
private bool TrySendCharByKeypresses(char ch, bool?bDown, SiWindowInfo swi)
{
if (ch == char.MinValue)
{
Debug.Assert(false); return(false);
}
SiSendMethod sm = GetSendMethod(swi);
if (sm == SiSendMethod.UnicodePacket)
{
return(false);
}
if (m_vForcedUniChars == null)
{
m_vForcedUniChars = new char[] {
// All of the following diacritics are spacing / non-combining
'\u00B4', // Acute accent
'\u02DD', // Double acute accent
'\u0060', // Grave accent
'\u02D8', // Breve
'\u00B8', // Cedilla
'\u005E', // Circumflex ^
'\u00A8', // Diaeresis
'\u02D9', // Dot above
'\u00AF', // Macron above, long
'\u02C9', // Macron above, modifier, short
'\u02CD', // Macron below, modifier, short
'\u02DB', // Ogonek
// E.g. for US-International;
// https://sourceforge.net/p/keepass/discussion/329220/thread/5708e5ef/
'\u0027', // Apostrophe
'\u0022', // Quotation mark
'\u007E' // Tilde
}
}
;
if (sm != SiSendMethod.KeyEvent) // If Unicode packets allowed
{
if (Array.IndexOf <char>(m_vForcedUniChars, ch) >= 0)
{
return(false);
}
}
IntPtr hKL = swi.KeyboardLayout;
ushort u = ((hKL == IntPtr.Zero) ? NativeMethods.VkKeyScan(ch) :
NativeMethods.VkKeyScanEx(ch, hKL));
if (u == 0xFFFFU)
{
return(false);
}
int vKey = (int)(u & 0xFFU);
Keys kMod = Keys.None;
int nMods = 0;
if ((u & 0x100U) != 0U)
{
++nMods; kMod |= Keys.Shift;
}
if ((u & 0x200U) != 0U)
{
++nMods; kMod |= Keys.Control;
}
if ((u & 0x400U) != 0U)
{
++nMods; kMod |= Keys.Alt;
}
if ((u & 0x800U) != 0U)
{
return(false); // Hankaku unsupported
}
// Do not send a key combination that is registered as hot key;
// https://sourceforge.net/p/keepass/bugs/1235/
// Windows shortcut hot keys involve at least 2 modifiers
if (nMods >= 2)
{
Keys kFull = (kMod | (Keys)vKey);
if (HotKeyManager.IsHotKeyRegistered(kFull, true))
{
return(false);
}
}
Keys kModDiff = (kMod & ~m_kModCur);
if (kModDiff != Keys.None)
{
// Send RAlt for better AltGr compatibility;
// https://sourceforge.net/p/keepass/bugs/1475/
SetKeyModifierImplEx(kModDiff, true, true);
Thread.Sleep(1);
Application.DoEvents();
}
SendKeyImpl(vKey, null, bDown);
if (kModDiff != Keys.None)
{
Thread.Sleep(1);
Application.DoEvents();
SetKeyModifierImplEx(kModDiff, false, true);
}
return(true);
}