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Added ability to disable and bind the extra windows keys - sys_disableWinKeys

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@121 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2004-09-04 17:45:10 +00:00
parent 38f11e6530
commit 9c752d5a74
1 changed files with 91 additions and 0 deletions
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91
engine/client/sys_win.c
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@ -74,6 +74,88 @@ void VARGS Sys_DebugLog(char *file, char *fmt, ...)
int *debug;
#if (_WIN32_WINNT < 0x0400)
#define LLKHF_ALTDOWN 0x00000020
#define LLKHF_UP 0x00000080
#define WH_KEYBOARD_LL 13
typedef struct {
DWORD vkCode;
DWORD scanCode;
DWORD flags;
DWORD time;
DWORD dwExtraInfo;
} KBDLLHOOKSTRUCT;
#elif defined(MINGW)
#define LLKHF_UP 0x00000080
#endif
HHOOK llkeyboardhook;
cvar_t sys_disableWinKeys = {"sys_disableWinKeys", "0"};
LRESULT CALLBACK LowLevelKeyboardProc (INT nCode, WPARAM wParam, LPARAM lParam)
{
KBDLLHOOKSTRUCT *pkbhs = (KBDLLHOOKSTRUCT *) lParam;
BOOL bControlKeyDown = 0;
if (ActiveApp)
switch (nCode)
{
case HC_ACTION:
{
//Trap the Left Windowskey
if (pkbhs->vkCode == VK_LWIN)
{
Key_Event (K_LWIN, !(pkbhs->flags & LLKHF_UP));
return 1;
}
//Trap the Right Windowskey
if (pkbhs->vkCode == VK_RWIN)
{
Key_Event (K_RWIN, !(pkbhs->flags & LLKHF_UP));
return 1;
}
//Trap the Application Key (what a pointless key)
if (pkbhs->vkCode == VK_APPS)
{
Key_Event (K_APP, !(pkbhs->flags & LLKHF_UP));
return 1;
}
// Disable CTRL+ESC
if (pkbhs->vkCode == VK_ESCAPE && GetAsyncKeyState (VK_CONTROL) >> ((sizeof(SHORT) * 8) - 1))
return 1;
// Disable ATL+TAB
if (pkbhs->vkCode == VK_TAB && pkbhs->flags & LLKHF_ALTDOWN)
return 1;
// Disable ALT+ESC
if (pkbhs->vkCode == VK_ESCAPE && pkbhs->flags & LLKHF_ALTDOWN)
return 1;
break;
}
default:
break;
}
return CallNextHookEx (llkeyboardhook, nCode, wParam, lParam);
}
void SetHookState(qboolean state)
{
if (!state == !llkeyboardhook) //not so types are comparable
return;
if (llkeyboardhook)
{
UnhookWindowsHookEx(llkeyboardhook);
llkeyboardhook = NULL;
}
if (state)
llkeyboardhook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(NULL), 0);
}
/*
===============================================================================
@ -304,6 +386,7 @@ void VARGS Sys_Error (const char *error, ...)
_vsnprintf (text, sizeof(text)-1, error, argptr);
va_end (argptr);
SetHookState(false);
Host_Shutdown ();
MessageBox(NULL, text, "Error", 0);
@ -312,6 +395,7 @@ void VARGS Sys_Error (const char *error, ...)
CloseHandle (qwclsemaphore);
#endif
SetHookState(false);
exit (1);
}
@ -336,6 +420,8 @@ void Sys_Quit (void)
if (VID_ForceUnlockedAndReturnState)
VID_ForceUnlockedAndReturnState ();
SetHookState(false);
Host_Shutdown();
#ifndef SERVERONLY
@ -354,6 +440,7 @@ void Sys_Quit (void)
*/
SetHookState(false);
exit (0);
}
@ -870,6 +957,8 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLin
Sys_Printf ("Host_Init\n");
Host_Init (&parms);
Cvar_Register(&sys_disableWinKeys, "System vars");
oldtime = Sys_DoubleTime ();
@ -907,6 +996,8 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLin
Host_Frame (time);
oldtime = newtime;
SetHookState(sys_disableWinKeys.value);
Sleep(0);
}
}