christoph/lecture-operating-system-development
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cleanup key

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This commit is contained in:
Christoph Urlacher
2022-07-24 00:18:02 +02:00
parent 26912fa041
commit be56c76d81
1 changed files with 14 additions and 14 deletions
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28
c_os/devices/Key.h
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@ -37,7 +37,7 @@ public:
Key() : asc(0), scan(0), modi(0) {} Key() : asc(0), scan(0), modi(0) {}
// VALID: mit Scancode = 0 werden ungueltige Tasten gekennzeichnet. // VALID: mit Scancode = 0 werden ungueltige Tasten gekennzeichnet.
bool valid() { return scan != 0; } bool valid() const { return scan != 0; }
// INVALIDATE: setzt den Scancode auf Null und sorgt somit fuer einen // INVALIDATE: setzt den Scancode auf Null und sorgt somit fuer einen
// ungueltigen Tastencode. // ungueltigen Tastencode.
@ -46,8 +46,8 @@ public:
// ASCII, SCANCODE: Setzen und Abfragen von Ascii und Scancode // ASCII, SCANCODE: Setzen und Abfragen von Ascii und Scancode
void ascii(unsigned char a) { asc = a; } void ascii(unsigned char a) { asc = a; }
void scancode(unsigned char s) { scan = s; } void scancode(unsigned char s) { scan = s; }
unsigned char ascii() { return asc; } unsigned char ascii() const { return asc; }
unsigned char scancode() { return scan; } unsigned char scancode() const { return scan; }
// //
// Funktionen zum Setzen und Loeschen von SHIFT, ALT, CTRL usw. // Funktionen zum Setzen und Loeschen von SHIFT, ALT, CTRL usw.
@ -87,18 +87,18 @@ public:
// //
// Funktionen zum Abfragen von SHIFT, ALT, CTRL usw. // Funktionen zum Abfragen von SHIFT, ALT, CTRL usw.
// //
bool shift() { return modi & mbit::shift; } bool shift() const { return (modi & mbit::shift) != 0; }
bool alt_left() { return modi & mbit::alt_left; } bool alt_left() const { return (modi & mbit::alt_left) != 0; }
bool alt_right() { return modi & mbit::alt_right; } bool alt_right() const { return (modi & mbit::alt_right) != 0; }
bool ctrl_left() { return modi & mbit::ctrl_left; } bool ctrl_left() const { return (modi & mbit::ctrl_left) != 0; }
bool ctrl_right() { return modi & mbit::ctrl_right; } bool ctrl_right() const { return (modi & mbit::ctrl_right) != 0; }
bool caps_lock() { return modi & mbit::caps_lock; } bool caps_lock() const { return (modi & mbit::caps_lock) != 0; }
bool num_lock() { return modi & mbit::num_lock; } bool num_lock() const { return (modi & mbit::num_lock) != 0; }
bool scroll_lock() { return modi & mbit::scroll_lock; } bool scroll_lock() const { return (modi & mbit::scroll_lock) != 0; }
bool alt() { return alt_left() | alt_right(); } bool alt() const { return alt_left() || alt_right(); }
bool ctrl() { return ctrl_left() | ctrl_right(); } bool ctrl() const { return ctrl_left() || ctrl_right(); }
operator char() { return (char)asc; } operator char() const { return (char)asc; }
// Scan-Codes einiger spezieller Tasten // Scan-Codes einiger spezieller Tasten
struct scan { struct scan {