/*
* getOverrideKey - get next key from the override buffer
*/
static vi_key getOverrideKey( void )
{
int c;
bool mouse = FALSE;
int mcnt = 0;
for( ;; ) {
c = overrideKeyBuff[overrideKeyPos];
if( overrideKeyPos == MAX_OVERRIDE_KEY_BUFF - 1 ) {
overrideKeyPos = 0;
} else {
overrideKeyPos++;
}
if( overrideKeyPos == overrideKeyEnd ) {
EditFlags.KeyOverride = FALSE;
}
if( c == VI_KEY( MOUSEEVENT ) && !mouse ) {
mouse = TRUE;
mcnt = 0;
} else {
if( mouse ) {
switch( mcnt ) {
case 0:
LastMouseEvent = c;
break;
case 1:
MouseRow = c;
break;
case 2:
MouseCol = c;
break;
case 3:
MouseStatus = c;
mouse = FALSE;
c = VI_KEY( MOUSEEVENT );
RedrawMouse( MouseRow, MouseCol );
DisplayMouse( TRUE );
break;
}
mcnt++;
}
if( !mouse ) {
#ifndef __WIN__
if( c == 3 ) {
// ExitWithVerify();
}
#endif
break;
}
}
}
return( c );
} /* getOverrideKey */
/*
* getOverrideKey - get next key from the override buffer
*/
static vi_key getOverrideKey( void )
{
vi_key key;
bool mouse = false;
int mcnt = 0;
for( ;; ) {
key = overrideKeyBuff[overrideKeyPos];
if( overrideKeyPos == MAX_OVERRIDE_KEY_BUFF - 1 ) {
overrideKeyPos = 0;
} else {
overrideKeyPos++;
}
if( overrideKeyPos == overrideKeyEnd ) {
EditFlags.KeyOverride = false;
}
if( mouse ) {
if( mcnt == 3 ) {
MouseStatus = key;
mouse = false;
key = VI_KEY( MOUSEEVENT );
RedrawMouse( MouseRow, MouseCol );
DisplayMouse( true );
break;
}
if( mcnt == 0 ) {
LastMouseEvent = key;
} else if( mcnt == 1 ) {
MouseRow = key;
} else if( mcnt == 2 ) {
MouseCol = key;
}
mcnt++;
} else if( key == VI_KEY( MOUSEEVENT ) ) {
mouse = true;
mcnt = 0;
} else {
#ifndef __WIN__
if( key == VI_KEY( CTRL_C ) ) {
// ExitWithVerify();
}
#endif
break;
}
}
return( key );
} /* getOverrideKey */
/*
* GetKey - read a key from the keyboard
*/
vi_key GetKey( bool usemouse )
{
bool hit;
vi_key key;
clearSpin();
for( ;; ) {
if( EditFlags.NoCapsLock ) {
TurnOffCapsLock();
}
LastMouseEvent = GetMouseEvent();
if( LastMouseEvent != VI_MOUSE_NONE ) {
RedrawMouse( MouseRow, MouseCol );
DisplayMouse( true );
if( TestMouseEvent( usemouse ) ) {
return( VI_KEY( MOUSEEVENT ) );
}
}
/*
* could get set by mouse handler or IDEGetKeys
*/
if( EditFlags.KeyOverride ) {
key = getOverrideKey();
#ifndef __WIN__
if( key == VI_KEY( CTRL_C ) ) {
ExitWithVerify();
clearSpin();
continue;
}
#endif
return( key );
}
hit = KeyboardHit();
if( !hit ) {
DoAutoSave();
#ifdef __IDE__
IDEGetKeys();
#endif
#ifdef __QNX__
WaitForProxy();
if( !KeyboardHit() ) {
continue;
}
#endif
}
#if defined( BUSYWAIT )
else {
#endif
key = GetKeyboard();
#if defined( __NT__ )
if( key == VI_KEY( MOUSEEVENT ) ) {
continue;
}
#endif
DisplayMouse( false );
#ifndef __WIN__
if( EditFlags.EscapedInsertChar )
break;
#endif
if( key == VI_KEY( NULL ) ) {
GetKeyboard();
ExitWithVerify();
clearSpin();
continue;
}
#ifndef __WIN__
if( key == VI_KEY( CTRL_C ) ) {
ExitWithVerify();
clearSpin();
continue;
}
#endif
break;
#if defined( BUSYWAIT )
}
#endif
#if defined( __DOS__ )
DosIdleCall();
#elif defined( __OS2__ )
DosSleep( 1 );
#endif
}
if( EditFlags.Spinning ) {
EditFlags.SpinningOurWheels = true;
}
return( key );
} /* GetKey */
