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CRT.pas
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CRT.pas
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(*
KolibriOS CRT unit
*)
unit CRT;
interface
type
TCursorXY = record
X, Y: Integer;
end;
TKey = packed record
CharCode, ScanCode: KolibriChar;
end;
const
Black = 0;
Blue = 1;
Green = 2;
Cyan = 3;
Red = 4;
Magenta = 5;
Brown = 6;
LightGray = 7;
DarkGray = 8;
LightBlue = 9;
LightGreen = 10;
LightCyan = 11;
LightRed = 12;
LightMagenta = 13;
Yellow = 14;
White = 15;
procedure InitConsole(Title: PKolibriChar; CloseWindowOnExit: Boolean = False;
WndWidth: LongWord = $FFFFFFFF; WndHeight: LongWord = $FFFFFFFF; ScrWidth: LongWord = $FFFFFFFF; ScrHeight: LongWord = $FFFFFFFF);
procedure SetTitle(Title: PKolibriChar);
procedure GotoXY(X, Y: Integer); overload;
procedure GotoXY(const Point: TCursorXY); overload;
function WhereX: Integer;
function WhereY: Integer;
function WhereXY: TCursorXY;
function NormVideo: LongWord; // reset text attributes
function TextAttr: Byte; overload;
function TextAttr(Attr: Byte): LongWord; overload;
function TextAttr(Color, Background: Byte): LongWord; overload;
function TextBackground: Byte; overload;
function TextBackground(Color: Byte): LongWord; overload;
function TextColor: Byte; overload;
function TextColor(Color: Byte): LongWord; overload;
procedure ClrScr;
function CursorBig: Integer;
function CursorHeight: Integer; overload;
function CursorHeight(Height: Integer): Integer; overload;
function CursorOff: Integer;
function CursorOn: Integer;
function KeyPressed: Boolean;
function ReadKey: KolibriChar;
function ReadKeyEx: TKey;
function FontHeight: Integer;
procedure Delay(Milliseconds: LongWord);
implementation
uses
KolibriOS;
var
CloseWindow: Boolean;
procedure InitConsole(Title: PKolibriChar; CloseWindowOnExit: Boolean;
WndWidth, WndHeight, ScrWidth, ScrHeight: LongWord);
begin
con_init(WndWidth, WndHeight, ScrWidth, ScrHeight, Title);
CloseWindow := CloseWindowOnExit;
end;
procedure SetTitle(Title: PKolibriChar);
begin
con_set_title(Title);
end;
function NormVideo: LongWord;
begin
Result := con_set_flags(con_get_flags and $300 or $07);
end;
function TextAttr: Byte;
begin
Result := con_get_flags and $FF;
end;
function TextAttr(Attr: Byte): LongWord;
begin
Result := con_set_flags(con_get_flags and $300 or Attr);
end;
function TextAttr(Color, Background: Byte): LongWord;
begin
Result := con_set_flags(con_get_flags and $300 or Color and $0F or Background and $0F shl 4);
end;
function TextBackground: Byte;
begin
Result := con_get_flags and $F0 shr 4;
end;
function TextBackground(Color: Byte): LongWord;
begin
Result := con_set_flags(con_get_flags and $30F or Color and $0F shl 4);
end;
function TextColor: Byte;
begin
Result := con_get_flags and $0F;
end;
function TextColor(Color: Byte): LongWord;
begin
Result := con_set_flags(con_get_flags and $3F0 or Color and $0F);
end;
procedure GotoXY(X, Y: Integer);
begin
con_set_cursor_pos(X, Y);
end;
procedure GotoXY(const Point: TCursorXY);
begin
con_set_cursor_pos(Point.X, Point.Y);
end;
function WhereX: Integer;
var
Y: Integer;
begin
con_get_cursor_pos(Result, Y);
end;
function WhereY: Integer;
var
X: Integer;
begin
con_get_cursor_pos(X, Result);
end;
function WhereXY: TCursorXY;
begin
con_get_cursor_pos(Result.X, Result.Y);
end;
function CursorBig: Integer;
begin
Result := con_set_cursor_height(15);
end;
function CursorHeight: Integer;
begin
Result := con_get_cursor_height;
end;
function CursorHeight(Height: Integer): Integer;
begin
Result := con_set_cursor_height(Height);
end;
function CursorOff: Integer;
begin
Result := con_set_cursor_height(0);
end;
function CursorOn: Integer;
begin
Result := con_set_cursor_height(2);
end;
procedure ClrScr;
begin
con_cls;
end;
function KeyPressed: Boolean;
begin
Result := con_kbhit;
end;
function ReadKey: KolibriChar;
begin
Result := Chr(con_getch);
end;
function ReadKeyEx: TKey;
begin
Word(Result) := con_getch2;
end;
function FontHeight: Integer;
begin
Result := con_get_font_height;
end;
procedure Delay(Milliseconds: LongWord);
begin
Sleep((Milliseconds + 10 div 2) div 10);
end;
var
hConsole: Pointer;
initialization
hConsole := LoadLibrary('/sys/lib/console.obj');
Pointer(@con_cls) := GetProcAddress(hConsole, 'con_cls');
Pointer(@con_exit) := GetProcAddress(hConsole, 'con_exit');
Pointer(@con_getch) := GetProcAddress(hConsole, 'con_getch');
Pointer(@con_getch2) := GetProcAddress(hConsole, 'con_getch2');
Pointer(@con_get_cursor_pos) := GetProcAddress(hConsole, 'con_get_cursor_pos');
Pointer(@con_get_cursor_height) := GetProcAddress(hConsole, 'con_get_cursor_height');
Pointer(@con_get_flags) := GetProcAddress(hConsole, 'con_get_flags');
Pointer(@con_get_font_height) := GetProcAddress(hConsole, 'con_get_font_height');
Pointer(@con_gets) := GetProcAddress(hConsole, 'con_gets');
Pointer(@con_init) := GetProcAddress(hConsole, 'con_init');
Pointer(@con_kbhit) := GetProcAddress(hConsole, 'con_kbhit');
Pointer(@con_printf) := GetProcAddress(hConsole, 'con_printf');
Pointer(@con_set_cursor_height) := GetProcAddress(hConsole, 'con_set_cursor_height');
Pointer(@con_set_cursor_pos) := GetProcAddress(hConsole, 'con_set_cursor_pos');
Pointer(@con_set_flags) := GetProcAddress(hConsole, 'con_set_flags');
Pointer(@con_set_title) := GetProcAddress(hConsole, 'con_set_title');
Pointer(@con_write_asciiz) := GetProcAddress(hConsole, 'con_write_asciiz');
Pointer(@con_write_string) := GetProcAddress(hConsole, 'con_write_string');
if IsConsole then
InitConsole(AppPath);
finalization
if Assigned(con_exit) then
con_exit(CloseWindow);
end.