/
numcomma.c
60 lines (50 loc) · 1.56 KB
/
numcomma.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
#define INCL_WIN
#define INCL_DOS
#include <os2.h>
#include <stdio.h>
BOOL EXPENTRY WinHookProc(HAB hab,PQMSG pqmsg,USHORT usRemove );
int _CRT_init(void);
void _CRT_term(void);
HAB mainhab = 0;
HMODULE hmDll = 0;
BOOL loaded = FALSE;
BOOL EXPENTRY WinHookProc(HAB hab,PQMSG pqmsg,USHORT usRemove )
{
loaded = TRUE;
if ((pqmsg->msg == WM_CHAR) && /* character message */
!(SHORT1FROMMP(pqmsg->mp1) & KC_KEYUP) && /* key down */
(SHORT1FROMMP(pqmsg->mp1) & KC_SCANCODE) && /* valid scan code */
(CHAR4FROMMP(pqmsg->mp1) == 83) && /* . and del on numpad */
(SHORT1FROMMP(pqmsg->mp2) != ',') && /* just make sure we
haven't already
processed it */
(WinGetKeyState(HWND_DESKTOP,VK_NUMLOCK))) /* numlock on */
{
WinPostMsg(pqmsg->hwnd,WM_CHAR,pqmsg->mp1,MPFROM2SHORT(',',SHORT2FROMMP(pqmsg->mp2)));
return(TRUE);
}
return(FALSE);
}
BOOL EXPENTRY HookInit(void)
{
if (!loaded)
{
/* find desktop anchor */
mainhab = WinQueryAnchorBlock(HWND_DESKTOP);
/* setting hook */
if(DosQueryModuleHandle("numcomma", &hmDll))
return FALSE;
return WinSetHook(mainhab, NULLHANDLE, HK_INPUT, (PFN)WinHookProc, hmDll);
}
return FALSE;
}
BOOL EXPENTRY HookKill(void)
{
loaded = FALSE;
return WinReleaseHook(mainhab, NULLHANDLE, HK_INPUT, (PFN)WinHookProc, hmDll);
}
BOOL EXPENTRY WaitLoaded(void)
{
while(!loaded) DosSleep(10);
return TRUE;
}