100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
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// Copyright 2013 Eric Messick (FixedImagePhoto.com/Contact)
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// Copyright 2018 Albert Graef <aggraef@gmail.com>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <linux/input.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include<signal.h>
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#include <regex.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/XTest.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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// delay in ms before processing each XTest event
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// CurrentTime means no delay
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#define DELAY CurrentTime
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// we define these as extra KeySyms to represent mouse events
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#define XK_Button_0 0x2000000 // just an offset, not a real button
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#define XK_Button_1 0x2000001
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#define XK_Button_2 0x2000002
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#define XK_Button_3 0x2000003
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#define XK_Scroll_Up 0x2000004
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#define XK_Scroll_Down 0x2000005
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#define PRESS 1
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#define RELEASE 2
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#define PRESS_RELEASE 3
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#define HOLD 4
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typedef struct _stroke {
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struct _stroke *next;
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// nonzero keysym indicates a key event
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KeySym keysym;
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int8_t press; // zero -> release, non-zero -> press
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// nonzero value indicates a shift event
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int8_t shift;
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// keysym == shift == 0 => MIDI event
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int status, data; // status and, if applicable, first data byte
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int step; // step size (1, 127 or 8191 by default, depending on status)
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// the incremental bit indicates an incremental control change (typically
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// used with endless rotary encoders) to be represented as a sign bit value
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uint8_t incr;
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// the dirty bit indicates a MIDI event for which a release event still
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// needs to be generated in key events
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uint8_t dirty;
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} stroke;
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#define NUM_KEYS 128
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#define NUM_CHAN 16
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typedef struct _translation {
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struct _translation *next;
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char *name;
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int is_default;
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regex_t regex;
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uint8_t portno;
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// XXXFIXME: This way of storing the translation tables is easy to
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// construct, but wastes quite a lot of memory. We should rather use some
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// kind of dictionary here.
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uint8_t is_incr[2][NUM_CHAN][NUM_KEYS];
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stroke *pc[2][NUM_CHAN][NUM_KEYS][2];
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stroke *note[2][NUM_CHAN][NUM_KEYS][2];
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stroke *cc[2][NUM_CHAN][NUM_KEYS][2];
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stroke *ccs[2][NUM_CHAN][NUM_KEYS][2];
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stroke *pb[2][NUM_CHAN][2];
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stroke *pbs[2][NUM_CHAN][2];
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// step size for control changes and pitch bend (1 by default)
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int cc_step[2][NUM_CHAN][NUM_KEYS][2];
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int pb_step[2][NUM_CHAN][2];
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} translation;
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extern void reload_callback(void);
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extern int read_config_file(void);
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extern translation *get_translation(char *win_title, char *win_class);
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extern void print_stroke_sequence(char *name, char *up_or_down, stroke *s);
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extern translation *default_translation, *default_midi_translation[2];
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extern int debug_regex, debug_strokes, debug_keys, debug_midi;
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extern int default_debug_regex, default_debug_strokes, default_debug_keys,
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default_debug_midi;
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extern char *config_file_name;
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extern int jack_num_outputs;
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extern int midi_octave, shift;
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extern char *jack_client_name;
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