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Map.c
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Map.c
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/********************************************************\
|* *|
|* Program: WinVi *|
|* Author: Raphael Molle *|
|* Compiler: several *|
|* --------------------- -------------------------- *|
|* © Copyright 1994-2009 by Raphael Molle, Berlin *|
|* © Copyleft by GPL See file COPYING for more *|
|* info about terms of use *|
|* *|
\********************************************************/
/* revision log:
* 3-Dec-2000 first publication of source code
* 1-Jan-2001 some preparations for keyboard mappings (not working yet)
* 23-Oct-2002 better handling of Ctrl+S/Ctrl+Q (xoff/xon)
* 11-Jan-2003 mapping and abbreviations now working
* 1-Jan-2009 can now be compiled with VC++ 2008 Express
*/
#include <windows.h>
#include <malloc.h>
#include <string.h>
#include "myassert.h"
#include "resource.h"
#include "winvi.h"
#include "map.h"
#include "exec.h"
#include "page.h"
#define MAP_KEYDOWN 0x0100
#define MAP_CHAR 0x0200
#define MAP_CTRL 0x0400
#define MAP_SHIFT 0x0800
#define MAP_ALT 0x1000
PMAP FirstMapping = NULL, NewMappings = NULL;
BOOL InitMappings(VOID)
{
return (TRUE);
}
VOID TermMappings(VOID)
{
}
VOID FreeMappings(PMAP Tree)
{
while (Tree != NULL) {
PMAP ToDel = Tree;
Tree = Tree->Next;
if (ToDel->Name != NULL) _ffree(ToDel->Name);
if (ToDel->InputDisplay != NULL) _ffree(ToDel->InputDisplay);
if (ToDel->Replace != NULL) _ffree(ToDel->Replace);
if (ToDel->InputMatch != NULL) _ffree(ToDel->InputMatch);
if (ToDel->ReplaceMap != NULL) _ffree(ToDel->ReplaceMap);
free(ToDel);
}
}
extern HWND hwndSettings;
VOID DefaultOkButton(HWND hDlg)
{ HWND SetButton = GetDlgItem(hDlg, IDC_SETMACRO);
SendMessage(hDlg, DM_SETDEFID, 0, 0);
if (GetFocus() != SetButton) {
SendMessage(SetButton, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, 1);
SendMessage(hwndSettings, DM_SETDEFID, IDOK, 0);
}
}
static BYTE Keys[] = {
VK_F10, VK_F11, VK_F12,
VK_F1, VK_F2, VK_F3, VK_F4, VK_F5, VK_F6, VK_F7, VK_F8, VK_F9,
VK_INSERT, VK_INSERT, VK_INSERT, VK_DELETE, VK_DELETE, VK_DELETE,
VK_HOME, VK_HOME, VK_HOME, VK_END, VK_END,
VK_PRIOR, VK_PRIOR, VK_PRIOR, VK_PRIOR,
VK_NEXT, VK_NEXT, VK_NEXT, VK_NEXT, VK_NEXT,
VK_RETURN, VK_RETURN, VK_RETURN, VK_RETURN, VK_RETURN, VK_RETURN,
VK_TAB, VK_ESCAPE, VK_ESCAPE,
VK_SPACE, VK_SPACE, VK_SPACE, VK_SPACE, VK_SPACE,
VK_BACK, VK_BACK, VK_BACK, VK_BACK, VK_BACK,
VK_LEFT, VK_LEFT, VK_LEFT, VK_UP, VK_UP, VK_UP,
VK_RIGHT, VK_RIGHT, VK_RIGHT, VK_DOWN, VK_DOWN, VK_DOWN,
VK_INSERT, VK_HOME, VK_PRIOR, VK_UP,
VK_DELETE, VK_END, VK_NEXT, VK_LEFT, VK_DOWN, VK_RIGHT
};
static PSTR KeyNames[] = {
"F10", "F11", "F12",
"F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9",
"Insert", "Inser", "Einfg", "Supr", "Suppr", "Entf",
"Inicio", "Origine", "Pos1", "Fin", "Ende",
"RePág", "RePag", "PgPrec", "BildHoch",
"AvPág", "AvPag", "PgSuiv", "PgDown", "BildRunter",
"Enter", "Return", "Entrar", "Entrée", "Entree", "Entr",
"Tab", "Esc", "Echap",
"Blank", "Space", "Espacio", "Espace", "Leer",
"Backspace","Retroceso","RetArr", "Rück", "Rueck",
"Izquierda","Gauche", "Links", "Arriba", "Haute", "Hoch",
"Derecha", "Droite", "Rechts", "Abajo", "Bas", "Runter",
"Ins", "Home", "PgUp", "Up",
"Del", "End", "PgDn", "Left", "Down", "Right",
NULL
};
static BOOL HandleAsWmChar(WORD VKey)
{
switch (VKey) {
case VK_TAB:
case VK_RETURN:
case VK_ESCAPE:
case VK_SPACE:
return (TRUE);
default:
return (FALSE);
}
}
BOOL TranslateMapping(LPWORD *ppMapping, PCSTR String)
{ WORD Result[512];
WORD *p = Result;
INT c;
assert(sizeof(Keys) == sizeof(KeyNames)/sizeof(KeyNames[0])-1);
*p = 0;
while (*String) {
assert(p < Result + sizeof(Result)/sizeof(WORD) - 1);
switch (*String) {
case '\'':
case '"': /*WM_CHARs*/
c = *String;
while (*++String && *String != c) {
assert(p < Result + sizeof(Result)/sizeof(WORD) - 1);
p[1] = p[0];
*p |= MAP_CHAR | (BYTE)*String;
if ((BYTE)*String < ' ') *p |= MAP_CTRL | '@';
++p;
}
*p = 0;
if (*String) ++String;
break;
case ' ': /*separator with no meaning*/
++String;
break;
default: /*check several strings...*/
if (strncmp(String, "Ctrl+", 5) == 0 ||
strncmp(String, "Strg+", 5) == 0) {
*p |= MAP_CTRL;
String += 5;
break;
}
if (strncmp(String, "Shift+", 6) == 0 ||
strncmp(String, "Umschalt+", 9) == 0 ||
strncmp(String, "Mayus+", 6) == 0 ||
strncmp(String, "Mayús+", 6) == 0 ||
strncmp(String, "Maj+", 4) == 0) {
*p |= MAP_SHIFT;
String = strchr(String, '+') + 1;
break;
}
if (strncmp(String, "Alt+", 4) == 0) {
*p |= MAP_ALT;
String += 4;
break;
}
{ PSTR *pn;
for (pn = KeyNames; *pn != NULL; ++pn) {
if (strncmp(String, *pn, lstrlen(*pn)) == 0) {
String += lstrlen(*pn);
*p |= Keys[pn-KeyNames];
if (HandleAsWmChar(*p)) *p |= MAP_CHAR;
else *p |= MAP_KEYDOWN;
break;
}
}
if (*pn == NULL) *p |= MAP_CHAR | (BYTE)*String++;
if (*p & MAP_CHAR) {
if ((BYTE)*p < ' ') *p |= MAP_CTRL | '@';
if (*p & MAP_CTRL
&& (BYTE)*p >= 'a' && (BYTE)*p <= 'z')
*p &= ~('a'-'A');
if (*p == (MAP_CTRL | MAP_ALT | MAP_CHAR | 'V'))
*p ^= MAP_KEYDOWN | MAP_CHAR;
}
*++p = 0;
}
break;
}
}
*p++ = 0;
if ((*ppMapping = _fcalloc(p - Result, sizeof(WORD))) == NULL) {
ErrorBox(MB_ICONSTOP, 300, 5);
return (FALSE);
}
_fmemcpy(*ppMapping, Result, (p - Result) * sizeof(WORD));
return (TRUE);
}
PMAP DupMapping(PMAP m)
{ PMAP n;
if ((n = calloc(1, sizeof(*n))) == NULL) return (NULL);
AllocStringA(&n->Name, m->Name);
AllocStringA(&n->InputDisplay, m->InputDisplay);
AllocStringA(&n->Replace, m->Replace);
n->ReplaceMap = _fcalloc(lstrlen((PSTR)m->ReplaceMap) + 2, 1);
if (n->ReplaceMap != NULL)
_fmemcpy(n->ReplaceMap, m->ReplaceMap, lstrlen((LPSTR)m->ReplaceMap)+2);
n->InputMatch = _fcalloc(lstrlen((PSTR)m->InputMatch) + 2, 1);
if (n->InputMatch != NULL)
_fmemcpy(n->InputMatch, m->InputMatch, lstrlen((LPSTR)m->InputMatch)+2);
n->Flags = m->Flags;
if (n->Name == NULL || n->InputDisplay == NULL || n->Replace == NULL
|| n->InputMatch == NULL || n->ReplaceMap == NULL) {
FreeMappings(n);
return (NULL);
}
return (n);
}
INT FindMacroName(HWND ListBox, LPSTR Name)
/*case sensitive searching in listbox*/
{ INT i;
CHAR Buf[128];
i = -1;
do {
INT j = i;
i = SendMessage(ListBox, LB_FINDSTRINGEXACT, i, (LPARAM)Name);
if (i <= j) return (-1);
SendMessage(ListBox, LB_GETTEXT, i, (LPARAM)(LPSTR)Buf);
} while (lstrcmp(Buf, Name) != 0);
return (i);
}
BOOL IsMappingEqual(LPWORD m1, LPWORD m2)
{
/*All significant bytes are not equal 0, terminated by one 0 word*/
return (lstrcmp((LPSTR)m1, (LPSTR)m2) == 0);
}
BOOL MacrosCallback(HWND hDlg, UINT uMsg, WPARAM wPar, LPARAM lPar)
{ HWND ListBox;
CHAR Buf[256];
PMAP ThisMapping, m, *MapPtr;
INT i, k;
PARAM_NOT_USED(lPar);
switch (uMsg) {
case WM_INITDIALOG:
FreeMappings(NewMappings);
NewMappings = NULL;
ListBox = GetDlgItem(hDlg, IDC_MACROLIST);
if (ListBox) {
MapPtr = &NewMappings;
SendMessage(ListBox, LB_RESETCONTENT, 0, 0);
for (m = FirstMapping; m != NULL; m = m->Next) {
if ((ThisMapping = DupMapping(m)) != NULL) {
SendMessage(ListBox, LB_ADDSTRING, 0, (LPARAM)m->Name);
*MapPtr = ThisMapping;
MapPtr = &ThisMapping->Next;
} else ErrorBox(MB_ICONSTOP, 300, 6);
}
SetDlgItemText(hDlg, IDC_MACRONAME, "");
SetDlgItemText(hDlg, IDC_MACROINPUT, "");
SetDlgItemText(hDlg, IDC_MACROREPLACE, "");
SendDlgItemMessage(hDlg, IDC_MACRONAME, EM_LIMITTEXT,
sizeof(Buf)/2 - 1, 0);
SendDlgItemMessage(hDlg, IDC_MACROINPUT, EM_LIMITTEXT,
sizeof(Buf) - 1, 0);
SendDlgItemMessage(hDlg, IDC_MACROREPLACE, EM_LIMITTEXT,
sizeof(Buf) - 1, 0);
EnableWindow(GetDlgItem(hDlg, IDC_DELMACRO), FALSE);
}
CheckDlgButton(hDlg, IDC_INSERTMODE, TRUE);
CheckDlgButton(hDlg, IDC_COMMANDMODE, TRUE);
CheckDlgButton(hDlg, IDC_COMMANDLINE, TRUE);
CheckRadioButton(hDlg, IDC_MAP, IDC_ABBREV, IDC_MAP);
break;
case WM_COMMAND:
ListBox = GetDlgItem(hDlg, IDC_MACROLIST);
if (!ListBox) break;
switch (COMMAND) {
static BOOL InitialString = FALSE;
case IDC_MACROLIST:
if (NOTIFICATION != LBN_SELCHANGE) break;
i = SendMessage(ListBox, LB_GETCURSEL, 0, 0);
if (i == LB_ERR) m = NULL;
else {
SendMessage(ListBox, LB_GETTEXT, i, (LPARAM)(LPSTR)Buf);
for (m = NewMappings;
m != NULL && lstrcmp(m->Name, Buf);
m = m->Next);
}
if (m != NULL) {
InitialString = TRUE;
SetDlgItemText(hDlg, IDC_MACRONAME, Buf);
SetDlgItemText(hDlg, IDC_MACROINPUT, m->InputDisplay);
SetDlgItemText(hDlg, IDC_MACROREPLACE, m->Replace);
CheckRadioButton(hDlg, IDC_MAP, IDC_ABBREV,
m->Flags & M_ABBREVIATION
? IDC_ABBREV : IDC_MAP);
CheckDlgButton(hDlg, IDC_INSERTMODE,
(m->Flags & M_INSERTMODE) !=0);
CheckDlgButton(hDlg, IDC_COMMANDMODE,
(m->Flags & M_COMMANDMODE)!=0);
CheckDlgButton(hDlg, IDC_COMMANDLINE,
(m->Flags & M_COMMANDLINE)!=0);
EnableWindow(GetDlgItem(hDlg, IDC_COMMANDMODE),
(m->Flags & M_ABBREVIATION) ==0);
InitialString = FALSE;
} else {
/*should not occur, set empty name to indicate error*/
SetDlgItemText(hDlg, IDC_MACRONAME, "");
}
EnableWindow(GetDlgItem(hDlg, IDC_DELMACRO),
m != NULL);
DefaultOkButton(hDlg);
break;
case IDC_MACRONAME:
case IDC_MACROINPUT:
if (NOTIFICATION != EN_CHANGE) break;
GetDlgItemText(hDlg, IDC_MACRONAME, Buf, sizeof(Buf));
for (k = 0; k < 2; ++k) {
LPWORD CmpMapping;
DWORD f;
i = FindMacroName(ListBox, Buf);
if (i != -1 || k) break;
/*same name not found, try to find same input...*/
GetDlgItemText(hDlg, IDC_MACROINPUT, Buf, sizeof(Buf));
if (!TranslateMapping(&CmpMapping, Buf)) break;
f = 0;
if (IsDlgButtonChecked(hDlg, IDC_ABBREV))
f |= M_ABBREVIATION;
if (IsDlgButtonChecked(hDlg, IDC_INSERTMODE))
f |= M_INSERTMODE;
if (IsDlgButtonChecked(hDlg, IDC_COMMANDMODE))
f |= M_COMMANDMODE;
if (IsDlgButtonChecked(hDlg, IDC_COMMANDLINE))
f |= M_COMMANDLINE;
for (m = NewMappings; m != NULL; m = m->Next)
if (IsMappingEqual(m->InputMatch, CmpMapping)
&& (m->Flags & f) == m->Flags)
break;
_ffree(CmpMapping);
if (m == NULL) break;
lstrcpy(Buf, m->Name);
}
SendMessage(ListBox, LB_SETCURSEL, i, 0);
EnableWindow(GetDlgItem(hDlg, IDC_DELMACRO), i >= 0);
/*FALLTHROUGH*/
case IDC_MACROREPLACE:
if (NOTIFICATION != EN_CHANGE || InitialString) break;
/*FALLTHROUGH*/
case IDC_INSERTMODE:
case IDC_COMMANDMODE:
case IDC_COMMANDLINE:
case IDC_MAP:
case IDC_ABBREV:
if (COMMAND == IDC_ABBREV || COMMAND == IDC_MAP) {
if (COMMAND == IDC_ABBREV)
CheckDlgButton(hDlg, IDC_COMMANDMODE, FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_COMMANDMODE),
COMMAND == IDC_MAP);
}
if (GetDlgItemText(hDlg, IDC_MACRONAME, Buf, sizeof(Buf)) &&
GetDlgItemText(hDlg, IDC_MACROINPUT,Buf, sizeof(Buf))) {
SendMessage(hwndSettings, DM_SETDEFID, 102, 0);
SendMessage(hDlg, DM_SETDEFID, IDC_SETMACRO, 0);
}
break;
case IDC_SETMACRO:
ThisMapping = calloc(1, sizeof(*ThisMapping));
if (ThisMapping != NULL) {
PMAP *pmNew, *pmFree = NULL;
/*create a new entry...*/
GetDlgItemText(hDlg, IDC_MACROINPUT, Buf, sizeof(Buf));
if (!AllocStringA (&ThisMapping->InputDisplay,Buf) ||
!TranslateMapping(&ThisMapping->InputMatch, Buf)) {
FreeMappings(ThisMapping);
break;
}
GetDlgItemText(hDlg, IDC_MACROREPLACE,Buf,sizeof(Buf));
if (!AllocStringA (&ThisMapping->Replace, Buf) ||
!TranslateMapping(&ThisMapping->ReplaceMap, Buf)) {
FreeMappings(ThisMapping);
break;
}
GetDlgItemText(hDlg, IDC_MACRONAME, Buf, sizeof(Buf));
if (!AllocStringA(&ThisMapping->Name, Buf)) {
FreeMappings(ThisMapping);
break;
}
ThisMapping->Flags = 0;
if (IsDlgButtonChecked(hDlg, IDC_ABBREV))
ThisMapping->Flags |= M_ABBREVIATION;
if (IsDlgButtonChecked(hDlg, IDC_INSERTMODE))
ThisMapping->Flags |= M_INSERTMODE;
if (IsDlgButtonChecked(hDlg, IDC_COMMANDMODE))
ThisMapping->Flags |= M_COMMANDMODE;
if (IsDlgButtonChecked(hDlg, IDC_COMMANDLINE))
ThisMapping->Flags |= M_COMMANDLINE;
/*find old entry to delete and new position to enter..*/
for (MapPtr = pmNew = &NewMappings;
(m = *MapPtr) != NULL;
MapPtr = &m->Next) {
if ((i = lstrcmp(m->Name, Buf)) >= 0) {
if (i == 0) {
pmFree = MapPtr;
break;
}
} else pmNew = &m->Next;
if (IsMappingEqual(m->InputMatch,
ThisMapping->InputMatch) &&
(m->Flags & ThisMapping->Flags) == m->Flags)
pmFree = MapPtr;
}
/*delete old entry*/
if (pmFree != NULL) {
PMAP ToFree = *pmFree;
if ((i = FindMacroName(ListBox, ToFree->Name)) >= 0)
SendMessage(ListBox, LB_DELETESTRING, i, 0);
*pmFree = ToFree->Next;
if (pmNew == &ToFree->Next) pmNew = pmFree;
ToFree->Next = NULL;
FreeMappings(ToFree);
}
/*enter new entry...*/
i = SendMessage(ListBox, LB_ADDSTRING, 0,
(LPARAM)ThisMapping->Name);
SendMessage(ListBox, LB_SETCURSEL, i, 0);
ThisMapping->Next = *pmNew;
*pmNew = ThisMapping;
}
EnableWindow(GetDlgItem(hDlg, IDC_DELMACRO), TRUE);
DefaultOkButton(hDlg);
break;
case IDC_DELMACRO:
i = SendMessage(ListBox, LB_GETCURSEL, 0, 0);
if (i != LB_ERR) {
SendMessage(ListBox, LB_GETTEXT, i, (LPARAM)(LPSTR)Buf);
for (MapPtr = &NewMappings;
*MapPtr != NULL
&& lstrcmp((*MapPtr)->Name, Buf);
MapPtr = &(*MapPtr)->Next);
if ((ThisMapping = *MapPtr) != NULL) {
HWND DelButton = GetDlgItem(hDlg, IDC_DELMACRO);
*MapPtr = ThisMapping->Next;
ThisMapping->Next = NULL;
FreeMappings(ThisMapping);
SendMessage(ListBox, LB_DELETESTRING, i, 0);
DefaultOkButton(hDlg);
EnableWindow(DelButton, FALSE);
SendMessage(DelButton, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, 1);
SetFocus(ListBox);
}
}
break;
case IDOK:
case ID_APPLY:
case IDC_STORE:
FreeMappings(FirstMapping);
FirstMapping = NewMappings;
NewMappings = NULL;
DlgResult = TRUE;
if (COMMAND == IDC_STORE) SaveMappingSettings();
if (COMMAND == IDOK) EndDialog(hDlg, 0);
else MacrosCallback(hDlg, WM_INITDIALOG, 0, 0);
break;
case IDCANCEL:
FreeMappings(NewMappings);
NewMappings = NULL;
EndDialog(hDlg, 0);
break;
}
break;
default:
return (FALSE);
}
return (TRUE);
}
static BOOL MapIsMatching(LPWORD Input, LPWORD CompareWith, INT Len)
{
#if 0
// return (_fstrncmp((LPCSTR)Input, (LPCSTR)CompareWith,
// Len * sizeof(WORD)) == 0);
#else
while (Len--) {
if (*Input != *CompareWith
&& ((*Input & (MAP_CHAR | MAP_SHIFT)) != (MAP_CHAR | MAP_SHIFT)
|| (*Input & ~MAP_SHIFT) != *CompareWith))
return (FALSE);
++Input;
++CompareWith;
}
return (TRUE);
#endif
}
BOOL MatchingAbbreviation;
WORD InputQueue[64];
INT QueuedChars = 0; /*already matched input chars*/
LPWORD DoSequence = NULL;
INT SequenceLen = 0; /*number of valid entries in DoSequence*/
INT AbbrevDeletes = 0;
MSG PendingMsg = {0};
WORD PendingDown = 0;
WORD PendingUp = 0;
WORD FinalKeyState = 0;
BOOL DenyAbbrev = FALSE, PrevDenyAbbrev;
static BOOL MapMatch(BOOL DequeueSingle)
{ HWND Focus = GetFocus();
PMAP m;
static DWORD Match;
if (QueuedChars == 1) {
if (hwndCmd && Focus == hwndCmd) Match = M_COMMANDLINE;
else if (hwndMain && Focus == hwndMain)
Match = Mode >= InsertMode ? M_INSERTMODE : M_COMMANDMODE;
else Match = 0; /*dont match macros*/
} else if (DequeueSingle && SequenceLen > 0) return (TRUE);
for (m = FirstMapping; m != NULL; m = m->Next) {
INT Len;
if (!(m->Flags & Match) || (m->Flags&M_ABBREVIATION && PrevDenyAbbrev))
continue;
if ((Len = lstrlen((LPCSTR)m->InputMatch)/sizeof(WORD)) == 0) continue;
if (Len > QueuedChars) Len = QueuedChars;
if (MapIsMatching(InputQueue, m->InputMatch, Len)) {
if (Len <= QueuedChars && m->InputMatch[Len] == 0) {
/*full match...*/
DoSequence = m->ReplaceMap;
SequenceLen = lstrlen((PSTR)DoSequence) / sizeof(WORD);
if (m->Flags & M_ABBREVIATION) {
AbbrevDeletes = Len;
}
if (GetKeyState(VK_CONTROL) < 0) FinalKeyState |= MAP_CTRL;
if (GetKeyState(VK_SHIFT) < 0) FinalKeyState |= MAP_SHIFT;
if (GetKeyState(VK_MENU) < 0) FinalKeyState |= MAP_ALT;
PendingUp = FinalKeyState;
if ((QueuedChars -= Len) > 0)
memmove(InputQueue, InputQueue+Len, QueuedChars*sizeof(WORD));
} else /*partial match*/ SequenceLen = 0;
return (!(MatchingAbbreviation = (m->Flags & M_ABBREVIATION) != 0));
}
}
/*no match...*/
if (MatchingAbbreviation) {
QueuedChars = 0;
MatchingAbbreviation = FALSE;
return (FALSE);
}
if (DequeueSingle && QueuedChars == 1 && !SequenceLen && !AbbrevDeletes) {
QueuedChars = 0;
return (FALSE);
}
DoSequence = InputQueue;
SequenceLen = QueuedChars;
return (TRUE);
}
BOOL MapInterrupted = FALSE;
static VOID KeyState(BYTE VKey, BOOL Down)
{ BYTE AllStates[256];
BYTE Value = Down ? 0x80 : 0;
if (GetKeyboardState(AllStates)) {
AllStates[VKey] = (AllStates[VKey] & ~0x80) | Value;
SetKeyboardState(AllStates);
}
}
VOID StopMap(BOOL ResetShiftKeys)
{
AbbrevDeletes = QueuedChars = SequenceLen = PendingDown = 0;
if (ResetShiftKeys) {
if (GetKeyState(VK_CONTROL) < 0) KeyState(VK_CONTROL, FALSE);
if (GetKeyState(VK_SHIFT) < 0) KeyState(VK_SHIFT, FALSE);
if (GetKeyState(VK_MENU) < 0) KeyState(VK_MENU, FALSE);
FinalKeyState = 0;
}
}
BOOL IsKeyboardMapMsg(PMSG Msg)
/*returns: TRUE if a keyboard message matches part of or the total input
* sequence of a mapping or a previously matching sequence
* does not match anymore and must be handled first,
* FALSE if Msg is not a keyboard message or if it does not match
* a mapping macro.
*/
{ WORD c = 0;
if (Msg->message == WM_KEYDOWN || Msg->message == WM_SYSKEYDOWN) {
if (memchr(Keys, Msg->wParam, sizeof(Keys)) != NULL) {
c = (BYTE)Msg->wParam;
if (GetKeyState(VK_CONTROL) < 0) c |= MAP_CTRL;
if (GetKeyState(VK_SHIFT) < 0) c |= MAP_SHIFT;
if (GetKeyState(VK_MENU) < 0) c |= MAP_ALT;
if (HandleAsWmChar(c)) c = 0;
else c |= MAP_KEYDOWN;
} else if (Msg->wParam == 'V'
&& GetKeyState(VK_MENU) < 0
&& GetKeyState(VK_CONTROL) < 0)
c = MAP_CTRL | MAP_ALT | MAP_KEYDOWN | 'V';
} else if (Msg->message == WM_CHAR || Msg->message == WM_SYSCHAR) {
c = MAP_CHAR | (BYTE)Msg->wParam;
if (c < (MAP_CHAR | ' ')) c |= MAP_CTRL | '@';
if (GetKeyState(VK_SHIFT) < 0) c |= MAP_SHIFT;
if (GetKeyState(VK_MENU) < 0) c |= MAP_ALT;
}
if (c == 0) return (FALSE);
if (AbbrevDeletes) {
if (c & (MAP_KEYDOWN | MAP_CTRL) || !(CharFlags((BYTE)c) & 8)) {
/*final match of non-letter for abbreviation...*/
memcpy(&PendingMsg, Msg, sizeof(PendingMsg));
return (TRUE);
}
AbbrevDeletes = QueuedChars = 0;
}
if (QueuedChars >= sizeof(InputQueue)/sizeof(InputQueue[0])-1) {
/*buffer size exceeded, ignore keyboard message...*/
return (TRUE);
}
PrevDenyAbbrev = DenyAbbrev && QueuedChars == 0;
DenyAbbrev = (c & (MAP_CHAR | MAP_CTRL)) == MAP_CHAR
&& (CharFlags((BYTE)c) & 8) != 0;
if (c == (MAP_CHAR|MAP_CTRL|'C') || c == (MAP_KEYDOWN|MAP_CTRL|VK_CANCEL)) {
StopMap(FALSE);
MapInterrupted = TRUE;
}
InputQueue[QueuedChars++] = c;
return (MapMatch(TRUE));
}
static HWND KeyDownFocus;
BOOL KeyboardMapDequeue(PMSG Msg)
/*called only after CheckMapping returned TRUE,
*returns: TRUE if there are pending messages from a mapping
* (in Msg, the next msg resulting from macro is returned),
* FALSE if there is no more pending message to handle.
*/
{ HWND Focus = GetFocus();
if (AbbrevDeletes) {
--AbbrevDeletes;
Msg->message = WM_CHAR;
Msg->wParam = '\b';
Msg->lParam = 1;
Msg->hwnd = Focus;
return (TRUE);
}
if (!PendingDown && !PendingUp) {
if (SequenceLen <= 0 && QueuedChars) MapMatch(FALSE);
if (SequenceLen > 0) {
--SequenceLen;
PendingDown = PendingUp = *DoSequence;
if (DoSequence++ == InputQueue) {
if (QueuedChars > 1) {
assert(QueuedChars <= sizeof(InputQueue) / sizeof(WORD));
memmove(InputQueue, InputQueue + 1,
--QueuedChars * sizeof(WORD));
MapMatch(FALSE);
} else {
assert(SequenceLen == 0);
SequenceLen = QueuedChars = 0;
}
}
} else {
PendingDown = FinalKeyState; /*restore last received kbd state*/
FinalKeyState = 0;
}
}
if (PendingDown) {
if (PendingDown & MAP_CHAR) {
Msg->message = PendingDown & MAP_ALT ? WM_SYSCHAR : WM_CHAR;
Msg->wParam = (BYTE)PendingDown;
if (PendingDown & MAP_CTRL) Msg->wParam &= ~0x60;
PendingDown = PendingUp = 0;
} else {
Msg->message = WM_KEYDOWN;
if (PendingDown & MAP_CTRL) {
PendingDown &= ~MAP_CTRL;
Msg->wParam = VK_CONTROL;
} else if (PendingDown & MAP_SHIFT) {
PendingDown &= ~MAP_SHIFT;
Msg->wParam = VK_SHIFT;
} else if (PendingDown & MAP_ALT) {
PendingDown &= ~MAP_ALT;
Msg->wParam = VK_MENU;
} else {
Msg->wParam = (BYTE)PendingDown;
PendingDown = 0;
if ((PendingUp & MAP_ALT /*&& Msg->wParam == VK_F4*/)
|| Msg->wParam == VK_F10)
Msg->message = WM_SYSKEYDOWN;
KeyDownFocus = Focus;
}
KeyState(Msg->wParam, TRUE);
}
} else if (PendingUp) {
Msg->message = WM_KEYUP;
if (PendingUp & 0xff) {
Msg->wParam = (BYTE)PendingUp;
PendingUp &= ~(MAP_KEYDOWN | 0xff);
if (KeyDownFocus != Focus) {
/*some keys are handled when released (e.g. Enter),
*skip this one because it is for a different window...
*/
KeyState(Msg->wParam, FALSE);
return (KeyboardMapDequeue(Msg));
}
if ((PendingUp & MAP_ALT /*&& Msg->wParam == VK_F4*/)
|| Msg->wParam == VK_F10)
Msg->message = WM_SYSKEYUP;
} else if (PendingUp & MAP_ALT) {
PendingUp &= ~MAP_ALT;
Msg->wParam = VK_MENU;
} else if (PendingUp & MAP_SHIFT) {
PendingUp &= ~MAP_SHIFT;
Msg->wParam = VK_SHIFT;
} else if (PendingUp & MAP_CTRL) {
PendingUp &= ~MAP_CTRL;
Msg->wParam = VK_CONTROL;
}
KeyState(Msg->wParam, FALSE);
} else {
if (PendingMsg.message == 0) return (FALSE);
memcpy(Msg, &PendingMsg, sizeof(*Msg));
PendingMsg.message = 0;
}
Msg->hwnd = Focus;
Msg->lParam = 1;
#if 0
// /*check for Enter/Escape in search dialogbox...*/
// /*does not work*/
// { extern HWND hwndSearch;
//
// if (GetParent(Focus) == hwndSearch && hwndSearch) {
// if (Msg->wParam == '\r' || Msg->wParam == '\033')
// if (Msg->wParam == WM_CHAR) {
// Msg->wParam = WM_KEYDOWN;
// PendingUp = Msg->wParam;
// PostMessage(Focus, Msg->message, Msg->wParam, 1);
// }
// }
// }
#endif
if (Msg->message == WM_SYSCHAR || Msg->message == WM_SYSKEYDOWN)
Msg->lParam |= 1L << 29;
/*check if next character is a menu choice...*/
if (((Msg->message == WM_SYSCHAR && Msg->wParam >= ' ')
|| (Msg->wParam == VK_F10
&& PendingUp == (MAP_KEYDOWN | MAP_SHIFT | VK_F10)))
&& Focus == hwndMain && SequenceLen && *DoSequence & MAP_CHAR) {
/*menu select messages are *not* passing main loop,
*they seem to be handled within GetMessage/PeekMessage,
*so the mapped menu character must be posted.
*/
PostMessage(Focus, WM_CHAR, (BYTE)*DoSequence++, 1);
--SequenceLen;
}
return (TRUE);
}
VOID WmChar(WPARAM Char)
{ static WCHAR Hold[10];
if (!Disabled) {
if (Interruptable) {
#if defined(WIN32)
switch (Char) {
case CTRL('s'): XOffState = TRUE;
LOADSTRINGW(hInst, 914, Hold, WSIZE(Hold));
NewStatus(1, Hold, NS_NORMAL);
break;
case CTRL('c'): Interrupted = TRUE;
ExecInterrupt(CTRL_C_EVENT);
/*FALLTHROUGH*/
case CTRL('q'): XOffState = FALSE;
NewStatus(1, L"", NS_NORMAL);
ReleaseXOff();
break;
}
#endif
} else GotChar(Char, 0);
} else if (Char == CTRL('c'))
#if defined(WIN32)
Interrupted = CTRL_C_EVENT+1;
#else
Interrupted = TRUE;
#endif
}
VOID WmKeydown(WPARAM VKey)
{
TooltipHide(-1);
if (Interruptable) {
extern BOOL EscapeInput;
#if defined(WIN32)
if (VKey == VK_PAUSE) {
if (VKey == VK_SCROLL) XOffState = GetKeyState(VK_SCROLL) & 1;
else XOffState ^= TRUE;
if (XOffState) NewStatus(1, L"Hold", NS_NORMAL);
else {
NewStatus(1, L"", NS_NORMAL);
ReleaseXOff();
}
}
#endif
if (VKey == VK_CANCEL && GetKeyState(VK_CONTROL) < 0) {
/*cancel button in search and replace dialogbox (?)*/
#if defined(WIN32)
ExecInterrupt(CTRL_BREAK_EVENT);
#endif
Interrupted = TRUE;
return;
}
if (Disabled && VKey != VK_NUMLOCK && VKey != VK_CAPITAL &&
VKey != VK_SHIFT && VKey != VK_CONTROL) {
if (!EscapeInput && (VKey != 'C' || GetKeyState(VK_CONTROL) >= 0))
MessageBeep(MB_OK);
/*...a ctrl+c message beep will be generated later*/
return;
} else if (VKey=='C' || VKey=='Q' || VKey=='S') return;
}
GotKeydown(VKey);
}