static int updateMenu( int key, void ** paramPtr )
{
int moved = 0;
int MenuTop = (int)get_env(envgMenuTop);
int MenuSelection = (int)get_env(envgMenuSelection);
int MenuRow = (int)get_env(envgMenuRow);
int MenuHeight = (int)get_env(envgMenuHeight);
int MenuBottom = (int)get_env(envgMenuBottom);
int MenuStart = (int)get_env(envgMenuStart);
int MenuEnd = (int)get_env(envgMenuEnd);
union {
struct {
unsigned int
selectionUp : 1,
selectionDown : 1,
scrollUp : 1,
scrollDown : 1;
} f;
unsigned int w;
} draw = {{0}};
if ( gMenuItems == NULL )
return 0;
switch ( key )
{
case 0x4800: // Up Arrow
{
if ( MenuSelection != MenuTop )
draw.f.selectionUp = 1;
else if ( MenuTop > 0 )
draw.f.scrollDown = 1;
break;
}
case 0x5000: // Down Arrow
{
if ( MenuSelection != MenuBottom )
draw.f.selectionDown = 1;
else if ( MenuBottom < (get_env(envgMenuItemCount) - 1) )
draw.f.scrollUp = 1;
break;
}
default:
break;
}
if ( draw.w )
{
if ( draw.f.scrollUp )
{
scollPage(0, MenuRow, 40, MenuRow + MenuHeight - 1, 0x07, 1, 1);
MenuTop++; MenuBottom++;
MenuStart++; MenuEnd++;
draw.f.selectionDown = 1;
}
if ( draw.f.scrollDown )
{
scollPage(0, MenuRow, 40, MenuRow + MenuHeight - 1, 0x07, 1, -1);
MenuTop--; MenuBottom--;
MenuStart--; MenuEnd--;
draw.f.selectionUp = 1;
}
if ( draw.f.selectionUp || draw.f.selectionDown )
{
CursorState cursorState;
// Set cursor at current position, and clear inverse video.
changeCursor( 0, MenuRow + MenuSelection - MenuTop, kCursorTypeHidden, &cursorState );
printMenuItem( &gMenuItems[MenuSelection], 0 );
if ( draw.f.selectionUp )
{
MenuSelection--;
if(( MenuSelection - MenuStart) == -1 )
{
MenuStart--;
MenuEnd--;
}
} else {
MenuSelection++;
if(( MenuSelection - ( MenuEnd - 1) - MenuStart) > 0 )
{
MenuStart++;
MenuEnd++;
}
}
moveCursor( 0, MenuRow + MenuSelection - MenuTop );
printMenuItem( &gMenuItems[MenuSelection], 1 );
restoreCursor( &cursorState );
}
*paramPtr = gMenuItems[MenuSelection].param;
moved = 1;
}
safe_set_env(envgMenuSelection,MenuSelection);
safe_set_env(envgMenuTop,MenuTop );
safe_set_env(envgMenuRow,MenuRow);
safe_set_env(envgMenuHeight,MenuHeight);
safe_set_env(envgMenuBottom,MenuBottom);
safe_set_env(envgMenuStart,MenuStart);
safe_set_env(envgMenuEnd,MenuEnd);
return moved;
}
static int updateMenu( int key, void ** paramPtr )
{
int moved = 0;
union {
struct {
unsigned int
selectionUp : 1,
selectionDown : 1,
scrollUp : 1,
scrollDown : 1;
} f;
unsigned int w;
} draw = {{0}};
if ( gMenuItems == NULL )
return 0;
if( bootArgs->Video.v_display == GRAPHICS_MODE )
{
int res;
// set navigation keys for horizontal layout as defaults
int previous = 0x4B00; // left arrow
int subsequent = 0x4D00; // right arrow
int menu = 0x5000; // down arrow
if ( gui.layout == VerticalLayout )
{
// set navigation keys for vertical layout
previous = 0x4800; // up arrow
subsequent = 0x5000; // down arrow
menu = 0x4B00; // right arrow
}
if ( key == previous )
{
if ( gMenuSelection > gMenuTop )
draw.f.selectionUp = 1;
else if ( gMenuTop > 0 )
draw.f.scrollDown = 1;
}
else if ( key == subsequent )
{
if ( gMenuSelection != gMenuBottom)
draw.f.selectionDown = 1;
else if ( gMenuBottom < ( gMenuItemCount - 1 ) )
draw.f.scrollUp = 1;
}
else if ( key == menu )
{
if ( gui.menu.draw )
updateInfoMenu(key);
else
drawInfoMenu();
}
else if ( gui.menu.draw )
{
res = updateInfoMenu(key);
if ( res == CLOSE_INFO_MENU )
gui.menu.draw = false;
else
{
shouldboot = ( res != DO_NOT_BOOT );
if ( shouldboot )
gui.menu.draw = false;
switch (res)
{
case BOOT_NORMAL:
gVerboseMode = false;
gBootMode = kBootModeNormal;
break;
case BOOT_VERBOSE:
gVerboseMode = true;
gBootMode = kBootModeNormal;
addBootArg(kVerboseModeFlag);
break;
case BOOT_IGNORECACHE:
gVerboseMode = false;
gBootMode = kBootModeNormal;
addBootArg(kIgnoreCachesFlag);
break;
case BOOT_SINGLEUSER:
gVerboseMode = true;
gBootMode = kBootModeNormal;
addBootArg(kSingleUserModeFlag);
break;
}
}
}
} else {
switch ( key )
{
case 0x4800: // Up Arrow
if ( gMenuSelection != gMenuTop )
draw.f.selectionUp = 1;
else if ( gMenuTop > 0 )
draw.f.scrollDown = 1;
break;
case 0x5000: // Down Arrow
if ( gMenuSelection != gMenuBottom )
draw.f.selectionDown = 1;
else if ( gMenuBottom < (gMenuItemCount - 1) )
draw.f.scrollUp = 1;
break;
}
}
if ( draw.w )
{
if ( draw.f.scrollUp )
{
scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, 1);
gMenuTop++; gMenuBottom++;
gMenuStart++; gMenuEnd++;
draw.f.selectionDown = 1;
}
if ( draw.f.scrollDown )
{
scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, -1);
gMenuTop--; gMenuBottom--;
gMenuStart--; gMenuEnd--;
draw.f.selectionUp = 1;
}
if ( draw.f.selectionUp || draw.f.selectionDown )
{
CursorState cursorState;
// Set cursor at current position, and clear inverse video.
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
changeCursor( 0, gMenuRow + gMenuSelection - gMenuTop, kCursorTypeHidden, &cursorState );
printMenuItem( &gMenuItems[gMenuSelection], 0 );
}
if ( draw.f.selectionUp )
{
gMenuSelection--;
if(( gMenuSelection - gMenuStart) == -1 )
{
gMenuStart--;
gMenuEnd--;
}
} else {
gMenuSelection++;
if(( gMenuSelection - ( gui.maxdevices - 1) - gMenuStart) > 0 )
{
gMenuStart++;
gMenuEnd++;
}
}
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
moveCursor( 0, gMenuRow + gMenuSelection - gMenuTop );
printMenuItem( &gMenuItems[gMenuSelection], 1 );
restoreCursor( &cursorState );
} else
drawDeviceList (gMenuStart, gMenuEnd, gMenuSelection);
}
*paramPtr = gMenuItems[gMenuSelection].param;
moved = 1;
}
return moved;
}
static int updateMenu( int key, void ** paramPtr )
{
int moved = 0;
union {
struct {
unsigned int
selectionUp : 1,
selectionDown : 1,
scrollUp : 1,
scrollDown : 1;
} f;
unsigned int w;
} draw = {{0}};
if ( NULL == gMenuItems ) return 0;
// Look at the scan code.
switch ( key )
{
case 0x4800: // Up Arrow
if ( gMenuSelection != gMenuTop )
draw.f.selectionUp = 1;
else if ( gMenuTop > 0 )
draw.f.scrollDown = 1;
break;
case 0x5000: // Down Arrow
if ( gMenuSelection != gMenuBottom )
draw.f.selectionDown = 1;
else if ( gMenuBottom < (gMenuItemCount - 1) )
draw.f.scrollUp = 1;
break;
}
if ( draw.w )
{
if ( draw.f.scrollUp )
{
scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, 1);
gMenuTop++; gMenuBottom++;
draw.f.selectionDown = 1;
}
if ( draw.f.scrollDown )
{
scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, -1);
gMenuTop--; gMenuBottom--;
draw.f.selectionUp = 1;
}
if ( draw.f.selectionUp || draw.f.selectionDown )
{
CursorState cursorState;
// Set cursor at current position, and clear inverse video.
changeCursor( 0, gMenuRow + gMenuSelection - gMenuTop,
kCursorTypeHidden, &cursorState );
printMenuItem( &gMenuItems[gMenuSelection], 0 );
if ( draw.f.selectionUp ) gMenuSelection--;
else gMenuSelection++;
moveCursor( 0, gMenuRow + gMenuSelection - gMenuTop );
printMenuItem( &gMenuItems[gMenuSelection], 1 );
restoreCursor( &cursorState );
}
*paramPtr = gMenuItems[gMenuSelection].param;
moved = 1;
}
return moved;
}
