138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
#ifndef TERMO_INTERNAL_H
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#define TERMO_INTERNAL_H
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#include "termo.h"
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#include <stdint.h>
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#include <termios.h>
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#include <stdbool.h>
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#include <iconv.h>
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typedef struct termo_driver termo_driver_t;
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struct termo_driver
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{
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const char *name;
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void *(*new_driver) (termo_t *tk, const char *term);
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void (*free_driver) (void *info);
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int (*start_driver) (termo_t *tk, void *info);
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int (*stop_driver) (termo_t *tk, void *info);
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termo_result_t (*peekkey) (termo_t *tk,
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void *info, termo_key_t *key, int force, size_t *nbytes);
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};
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typedef struct keyinfo keyinfo_t;
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struct keyinfo
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{
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termo_type_t type;
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termo_sym_t sym;
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int modifier_mask;
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int modifier_set;
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};
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typedef struct termo_driver_node termo_driver_node_t;
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struct termo_driver_node
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{
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termo_driver_t *driver;
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void *info;
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termo_driver_node_t *next;
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};
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enum peekey_flags
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{
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PEEKKEY_FORCE = 1 << 0,
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PEEKKEY_ALT_PREFIXED = 1 << 1
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};
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struct termo
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{
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int fd;
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int flags;
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int canonflags;
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unsigned char *buffer;
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size_t buffstart; // First offset in buffer
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size_t buffcount; // Number of entires valid in buffer
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size_t buffsize; // Total malloc'ed size
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// Position beyond buffstart at which peekkey() should next start.
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// Normally 0, but see also termo_interpret_csi().
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size_t hightide;
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struct termios restore_termios;
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bool restore_termios_valid;
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int waittime; // In milliseconds
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bool is_closed; // We've received EOF
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bool is_started;
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int nkeynames;
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const char **keynames;
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keyinfo_t c0[32]; // There are 32 C0 codes
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iconv_t to_utf32_conv;
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iconv_t from_utf32_conv;
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termo_driver_node_t *drivers;
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// Now some "protected" methods for the driver to call but which we don't
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// want exported as real symbols in the library
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struct
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{
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void (*emit_codepoint) (termo_t *tk,
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uint32_t codepoint, termo_key_t *key);
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termo_result_t (*peekkey_simple) (termo_t *tk,
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termo_key_t *key, int flags, size_t *nbytes);
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termo_result_t (*peekkey_mouse) (termo_t *tk,
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termo_key_t *key, size_t *nbytes);
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}
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method;
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// What we think should be the mouse protocol
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termo_mouse_proto_t guessed_mouse_proto;
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// The active mouse protocol
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termo_mouse_proto_t mouse_proto;
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// Mouse tracking mode
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termo_mouse_tracking_t mouse_tracking;
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// The mouse unfortunately directly depends on the terminfo driver to let
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// it handle changes in the mouse protocol.
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void *ti_data; // termo_ti_t pointer
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struct
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{
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bool (*set_mouse_proto) (void *, termo_mouse_proto_t, bool);
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bool (*set_mouse_tracking_mode) (void *, termo_mouse_tracking_t, bool);
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}
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ti_method;
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};
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static inline void
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termo_key_get_linecol (const termo_key_t *key, int *line, int *col)
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{
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if (col)
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*col = key->code.mouse.x;
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if (line)
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*line = key->code.mouse.y;
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}
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static inline void
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termo_key_set_linecol (termo_key_t *key, int line, int col)
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{
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if (line > UINT16_MAX)
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line = UINT16_MAX;
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if (col > UINT16_MAX)
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col = UINT16_MAX;
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key->code.mouse.x = col;
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key->code.mouse.y = line;
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}
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extern termo_driver_t termo_driver_csi;
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extern termo_driver_t termo_driver_ti;
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#endif // ! TERMO_INTERNAL_H
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