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https://github.com/rkd77/elinks.git
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107 lines
3.0 KiB
C
107 lines
3.0 KiB
C
#ifndef EL__TERMINAL_KBD_H
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#define EL__TERMINAL_KBD_H
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struct itrm;
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/* Values <= -0x100 are special; e.g. KBD_ENTER.
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* Values between -0xFF and -2 are not used yet; treat as special.
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* Value == -1 is KBD_UNDEF; not sent via socket.
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* Values >= 0 are characters received from the terminal;
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* in UCS-4 #ifdef CONFIG_UTF_8.
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*
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* Any at least 32-bit signed integer type would work here; using an
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* exact-width type hurts portability in principle, but some other
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* parts of ELinks already require the existence of uint32_t. */
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typedef int32_t term_event_key_T;
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struct term_event_keyboard {
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term_event_key_T key;
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int modifier;
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};
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struct interlink_event_keyboard {
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/* Values <= -2 are not used, for ELinks 0.11 compatibility.
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* Value == -1 is KBD_UNDEF; not sent via socket.
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* Values between 0 and 0xFF are bytes received from the terminal.
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* Values >= 0x100 are special; e.g. -KBD_ENTER. */
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int key;
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int modifier;
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};
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/* Values for term_event_key_T */
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#define KBD_UNDEF -1
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#define KBD_ENTER (-0x100)
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#define KBD_BS (-0x101)
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#define KBD_TAB (-0x102)
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#define KBD_ESC (-0x103)
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#define KBD_LEFT (-0x104)
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#define KBD_RIGHT (-0x105)
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#define KBD_UP (-0x106)
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#define KBD_DOWN (-0x107)
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#define KBD_INS (-0x108)
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#define KBD_DEL (-0x109)
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#define KBD_HOME (-0x10a)
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#define KBD_END (-0x10b)
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#define KBD_PAGE_UP (-0x10c)
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#define KBD_PAGE_DOWN (-0x10d)
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#define KBD_F1 (-0x120)
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#define KBD_F2 (-0x121)
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#define KBD_F3 (-0x122)
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#define KBD_F4 (-0x123)
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#define KBD_F5 (-0x124)
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#define KBD_F6 (-0x125)
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#define KBD_F7 (-0x126)
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#define KBD_F8 (-0x127)
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#define KBD_F9 (-0x128)
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#define KBD_F10 (-0x129)
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#define KBD_F11 (-0x12a)
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#define KBD_F12 (-0x12b)
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static inline int is_kbd_fkey(term_event_key_T key) { return key <= KBD_F1 && key >= KBD_F12; }
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#define number_to_kbd_fkey(num) (KBD_F1 - (num) + 1)
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#define kbd_fkey_to_number(key) (KBD_F1 - (key) + 1)
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#define KBD_CTRL_C (-0x200)
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/* int is_kbd_character(term_event_key_T key);
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* Return true if @key is a character in some charset, rather than a
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* special key. The character is not necessarily printable. As for
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* which charset it is in, see the definition of term_event_key_T. */
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#define is_kbd_character(key) ((key) >= 0)
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/* Values for term_event_keyboard.modifier and
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* interlink_event_keyboard.modifier */
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#define KBD_MOD_NONE 0
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#define KBD_MOD_SHIFT 1
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#define KBD_MOD_CTRL 2
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#define KBD_MOD_ALT 4
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void
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handle_trm(int std_in, int std_out, int sock_in, int sock_out, int ctl_in,
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void *init_string, int init_len, int remote);
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void itrm_queue_event(struct itrm *itrm, unsigned char *data, int len);
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void block_itrm(int);
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int unblock_itrm(int);
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void free_all_itrms(void);
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void resize_terminal(void);
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void dispatch_special(unsigned char *);
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void kbd_ctrl_c(void);
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int is_blocked(void);
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#define kbd_get_key(kbd_) ((kbd_)->key)
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#define kbd_key_is(kbd_, key) (kbd_get_key(kbd_) == (key))
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#define kbd_get_modifier(kbd_) ((kbd_)->modifier)
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#define kbd_modifier_is(kbd_, mod) (kbd_get_modifier(kbd_) == (mod))
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#define kbd_set(kbd_, key_, modifier_) do { \
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(kbd_)->key = (key_); \
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(kbd_)->modifier = (modifier_); \
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} while (0)
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#endif
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