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Windows: Solve various issues in HotKeys assignment dialog by ensuring that keys are detected only when the assignment edit has the focus and also by taking a key into account only once even if it remains pressed contently (this solves issue http://sourceforge.net/p/veracrypt/discussion/technical/thread/6597c91a)

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This commit is contained in:
Mounir IDRASSI 2015-08-23 17:01:56 +02:00
parent ef94506c34
commit 20cb199e55
1 changed files with 73 additions and 3 deletions
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76
src/Mount/Hotkeys.c
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@ -30,6 +30,7 @@ static TCHOTKEY tmpHotkeys [NBR_HOTKEYS];
static int nSelectedHotkeyId;
static UINT currentVKeyCode;
static BYTE vkeysDown[256];
static void ScanAndProcessKey (UINT *vKeyCode, wchar_t *keyName)
@ -41,9 +42,15 @@ static void ScanAndProcessKey (UINT *vKeyCode, wchar_t *keyName)
{
if (GetAsyncKeyState (vKey) < 0)
{
if (GetKeyName (vKey, keyName)) // If the key is allowed and its name has been resolved
*vKeyCode = vKey;
if (!vkeysDown [vKey])
{
vkeysDown [vKey] = 1;
if (GetKeyName (vKey, keyName)) // If the key is allowed and its name has been resolved
*vKeyCode = vKey;
}
}
else
vkeysDown [vKey] = 0;
}
}
@ -62,6 +69,56 @@ BOOL GetKeyName (UINT vKey, wchar_t *keyName)
{
// OEM-specific
StringCbPrintfW (keyName, MAX_KEY_COMB_NAME_LEN, L"OEM-%d", vKey);
// mapping taken from:
// http://www.hotkeynet.com/ref/keynames.html
// https://mojoware.googlecode.com/svn-history/r3/trunk/mojo_engine/cKeyboard.cpp
// http://www.screenio.com/gui_screenio/gs_htmlhelp_subweb/download/SIMKEYS.cob
//
// These values seem to come from Nokia/Ericsson mobile device keys
switch (vKey)
{
case 0xE9: // OEMReset = 0xE9
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMReset)");
break;
case 0xEA: // OEMJump = 0xEA
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMJump)");
break;
case 0xEB: // OEMPA1 = 0xEB
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMPA1)");
break;
case 0xEC: // OEMPA2 = 0xEC
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMPA2)");
break;
case 0xED: // OEMPA3 = 0xED
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMPA3)");
break;
case 0xEE: // OEMWSCtrl = 0xEE
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMWSCtrl)");
break;
case 0xEF: // OEMCUSel = 0xEF
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMCUSel)");
break;
case 0xF0: // OEMATTN = 0xF0
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMATTN)");
break;
case 0xF1: // OEMFinish = 0xF1
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMFinish)");
break;
case 0xF2: // OEMCopy = 0xF2
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMCopy)");
break;
case 0xF3: // OEMAuto = 0xF3
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMAuto)");
break;
case 0xF4: // OEMENLW = 0xF4
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMENLW)");
break;
case 0xF5: // OEMBackTab = 0xF5
StringCbCatW (keyName, MAX_KEY_COMB_NAME_LEN, L" (OEMBackTab)");
break;
}
}
else if (vKey >= VK_F1 && vKey <= VK_F24)
{
@ -296,6 +353,7 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
nSelectedHotkeyId = -1;
currentVKeyCode = 0;
memcpy (tmpHotkeys, Hotkeys, sizeof(tmpHotkeys));
memset (vkeysDown, 0, sizeof(vkeysDown));
SendMessageW (hList,LVM_SETEXTENDEDLISTVIEWSTYLE,0,
LVS_EX_FULLROWSELECT|LVS_EX_HEADERDRAGDROP|LVS_EX_LABELTIP
@ -337,7 +395,7 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
case WM_TIMER:
{
if (nSelectedHotkeyId > -1)
if ((nSelectedHotkeyId > -1) && (GetFocus () == GetDlgItem (hwndDlg, IDC_HOTKEY_KEY)))
{
wchar_t keyName [MAX_KEY_COMB_NAME_LEN];
UINT tmpVKeyCode;
@ -352,6 +410,10 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
SetWindowTextW (GetDlgItem (hwndDlg, IDC_HOTKEY_KEY), keyName);
EnableWindow (GetDlgItem (hwndDlg, IDC_HOTKEY_ASSIGN), TRUE);
}
else if ((currentVKeyCode != 0) && GetKeyName (currentVKeyCode, keyName))
{
SetWindowTextW (GetDlgItem (hwndDlg, IDC_HOTKEY_KEY), keyName);
}
}
return 1;
}
@ -365,6 +427,8 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
LVITEM item;
memset(&item,0,sizeof(item));
nSelectedHotkeyId = ((LPNMLISTVIEW) lParam)->iItem;
currentVKeyCode = 0;
memset (vkeysDown, 0, sizeof(vkeysDown));
SetWindowTextW (GetDlgItem (hwndDlg, IDC_HOTKEY_KEY), GetString ("PRESS_A_KEY_TO_ASSIGN"));
EnableWindow (GetDlgItem (hwndDlg, IDC_HOTKEY_REMOVE), (tmpHotkeys[nSelectedHotkeyId].vKeyCode > 0));
@ -446,6 +510,8 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
EnableWindow (GetDlgItem (hwndDlg, IDC_HOTKEY_REMOVE), FALSE);
nSelectedHotkeyId = -1;
bKeyScanOn = FALSE;
currentVKeyCode = 0;
memset (vkeysDown, 0, sizeof(vkeysDown));
}
}
DisplayHotkeyList(hwndDlg);
@ -463,6 +529,8 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
EnableWindow (GetDlgItem (hwndDlg, IDC_HOTKEY_REMOVE), FALSE);
nSelectedHotkeyId = -1;
bKeyScanOn = FALSE;
currentVKeyCode = 0;
memset (vkeysDown, 0, sizeof(vkeysDown));
DisplayHotkeyList(hwndDlg);
}
return 1;
@ -482,6 +550,8 @@ BOOL CALLBACK HotkeysDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
EnableWindow (GetDlgItem (hwndDlg, IDC_HOTKEY_REMOVE), FALSE);
nSelectedHotkeyId = -1;
bKeyScanOn = FALSE;
currentVKeyCode = 0;
memset (vkeysDown, 0, sizeof(vkeysDown));
DisplayHotkeyList(hwndDlg);
return 1;
}