1651 lines
47 KiB
C
1651 lines
47 KiB
C
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/*
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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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Based on a version (c) 2006 Trammell Hudson <hudson@osresearch.net>
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which was in turn
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Based heavily on code by Arendt David <admin@prnet.org>
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*/
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#include "midizap.h"
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#include "jackdriver.h"
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typedef struct input_event EV;
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Display *display;
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JACK_SEQ seq;
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int jack_num_outputs = 0, debug_jack = 0;
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int shift = 0;
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void
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initdisplay(void)
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{
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int event, error, major, minor;
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display = XOpenDisplay(0);
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if (!display) {
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fprintf(stderr, "unable to open X display\n");
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exit(1);
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}
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if (!XTestQueryExtension(display, &event, &error, &major, &minor)) {
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fprintf(stderr, "Xtest extensions not supported\n");
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XCloseDisplay(display);
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exit(1);
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}
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}
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void
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send_button(unsigned int button, int press)
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{
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XTestFakeButtonEvent(display, button, press ? True : False, DELAY);
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}
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void
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send_key(KeySym key, int press)
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{
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KeyCode keycode;
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if (key >= XK_Button_1 && key <= XK_Scroll_Down) {
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send_button((unsigned int)key - XK_Button_0, press);
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return;
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}
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keycode = XKeysymToKeycode(display, key);
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XTestFakeKeyEvent(display, keycode, press ? True : False, DELAY);
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}
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// cached controller and pitch bend values
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static int16_t notevalue[16][128];
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static int16_t ccvalue[16][128];
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static int16_t kpvalue[16][128];
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static int16_t cpvalue[16];
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static int16_t pbvalue[16] =
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{8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192,
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8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192};
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static int dataval(int val, int min, int max)
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{
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if (!val || val > max)
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return max;
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else if (val < min)
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return min;
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else
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return val;
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}
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static int datavals(int val, int step, int *steps, int n_steps)
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{
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if (val < 0)
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return -datavals(-val, step, steps, n_steps);
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else if (val < n_steps)
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return steps[val];
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else if (n_steps)
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return steps[n_steps-1];
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else if (step)
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return step*val;
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else
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return val;
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}
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void
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send_midi(uint8_t portno, int status, int data,
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int step, int n_steps, int *steps,
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int incr, int index, int dir,
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int mod, int mod_step, int mod_n_steps, int *mod_steps, int val)
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{
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if (!jack_num_outputs) return; // MIDI output not enabled
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uint8_t msg[3];
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int chan = status & 0x0f;
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msg[0] = status;
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msg[1] = data;
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switch (status & 0xf0) {
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case 0x90:
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if (dir) {
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// increment (dir==1) or decrement (dir==-1) the current value,
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// clamping it to the 0..127 data byte range
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if (!step) step = 1;
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dir *= step;
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if (dir > 0) {
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if (notevalue[chan][data] >= 127) return;
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notevalue[chan][data] += dir;
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if (notevalue[chan][data] > 127) notevalue[chan][data] = 127;
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} else {
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if (notevalue[chan][data] == 0) return;
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notevalue[chan][data] += dir;
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if (notevalue[chan][data] < 0) notevalue[chan][data] = 0;
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}
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msg[2] = kpvalue[chan][data];
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} else if (mod) {
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int d = msg[1] + datavals(val/mod, mod_step, mod_steps, mod_n_steps);
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int v = datavals(val%mod, step, steps, n_steps);
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if (d > 127 || d < 0) return;
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if (v > 127 || v < 0) return;
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msg[1] = d;
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msg[2] = v;
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} else if (!index) {
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msg[2] = dataval(step, 0, 127);
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} else {
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msg[2] = 0;
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}
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break;
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case 0xb0:
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if (dir) {
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if (incr) {
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// incremental controller, simply spit out a relative sign bit value
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if (!step) step = 1;
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dir *= step;
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if (dir < -63) dir = -63;
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if (dir > 63) dir = 63;
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msg[2] = dir>0?dir:dir<0?64-dir:0;
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} else {
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// increment (dir==1) or decrement (dir==-1) the current value,
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// clamping it to the 0..127 data byte range
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if (!step) step = 1;
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dir *= step;
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if (dir > 0) {
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if (ccvalue[chan][data] >= 127) return;
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ccvalue[chan][data] += dir;
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if (ccvalue[chan][data] > 127) ccvalue[chan][data] = 127;
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} else {
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if (ccvalue[chan][data] == 0) return;
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ccvalue[chan][data] += dir;
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if (ccvalue[chan][data] < 0) ccvalue[chan][data] = 0;
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}
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msg[2] = ccvalue[chan][data];
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}
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} else if (mod) {
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int d = msg[1] + datavals(val/mod, mod_step, mod_steps, mod_n_steps);
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int v = datavals(val%mod, step, steps, n_steps);
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if (d > 127 || d < 0) return;
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if (v > 127 || v < 0) return;
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msg[1] = d;
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msg[2] = v;
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} else if (!index) {
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msg[2] = dataval(step, 0, 127);
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} else {
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msg[2] = 0;
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}
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break;
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case 0xa0:
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if (dir) {
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// increment (dir==1) or decrement (dir==-1) the current value,
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// clamping it to the 0..127 data byte range
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if (!step) step = 1;
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dir *= step;
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if (dir > 0) {
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if (kpvalue[chan][data] >= 127) return;
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kpvalue[chan][data] += dir;
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if (kpvalue[chan][data] > 127) kpvalue[chan][data] = 127;
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} else {
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if (kpvalue[chan][data] == 0) return;
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kpvalue[chan][data] += dir;
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if (kpvalue[chan][data] < 0) kpvalue[chan][data] = 0;
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}
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msg[2] = kpvalue[chan][data];
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} else if (mod) {
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int d = msg[1] + datavals(val/mod, mod_step, mod_steps, mod_n_steps);
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int v = datavals(val%mod, step, steps, n_steps);
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if (d > 127 || d < 0) return;
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if (v > 127 || v < 0) return;
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msg[1] = d;
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msg[2] = v;
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} else if (!index) {
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msg[2] = dataval(step, 0, 127);
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} else {
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msg[2] = 0;
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}
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break;
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case 0xd0:
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if (dir) {
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// increment (dir==1) or decrement (dir==-1) the current value,
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// clamping it to the 0..127 data byte range
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if (!step) step = 1;
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dir *= step;
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if (dir > 0) {
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if (cpvalue[chan] >= 127) return;
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cpvalue[chan] += dir;
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if (cpvalue[chan] > 127) cpvalue[chan] = 127;
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} else {
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if (cpvalue[chan] == 0) return;
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cpvalue[chan] += dir;
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if (cpvalue[chan] < 0) cpvalue[chan] = 0;
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}
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msg[1] = cpvalue[chan];
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} else if (mod) {
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int v = datavals(val%mod, step, steps, n_steps);
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if (v > 127 || v < 0) return;
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msg[1] = v;
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} else if (!index) {
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msg[1] = dataval(step, 0, 127);
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} else {
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msg[1] = 0;
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}
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break;
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case 0xe0: {
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// pitch bends are treated similarly to a controller, but with a 14 bit
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// range (0..16383, with 8192 being the center value)
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int pbval = 0;
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if (dir) {
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if (!step) step = 1;
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dir *= step;
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if (dir > 0) {
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if (pbvalue[chan] >= 16383) return;
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pbvalue[chan] += dir;
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if (pbvalue[chan] > 16383) pbvalue[chan] = 16383;
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} else {
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if (pbvalue[chan] == 0) return;
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pbvalue[chan] += dir;
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if (pbvalue[chan] < 0) pbvalue[chan] = 0;
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}
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pbval = pbvalue[chan];
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} else if (mod) {
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int v = datavals(val%mod, step, steps, n_steps);
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if (v > 8191 || v < -8192) return;
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pbval = 8192+v;
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} else if (!index) {
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pbval = 8192+dataval(step, -8192, 8191);
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} else {
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// we use 8192 (center) as the "home" (a.k.a. "off") value, so the pitch
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// will only bend up, never down below the center value
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pbval = 8192;
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}
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// the result is a 14 bit value which gets encoded as a combination of two
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// 7 bit values which become the data bytes of the message
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msg[1] = pbval & 0x7f; // LSB (lower 7 bits)
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msg[2] = pbval >> 7; // MSB (upper 7 bits)
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break;
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}
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case 0xc0:
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if (mod) {
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int d = msg[1] + datavals(val/mod, mod_step, mod_steps, mod_n_steps);
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if (d > 127 || d < 0) return;
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msg[1] = d;
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}
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// just send the message
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break;
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default:
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return;
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}
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queue_midi(&seq, msg, portno);
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}
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static int stroke_data_cmp(const void *a, const void *b)
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{
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const stroke_data *ad = (const stroke_data*)a;
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const stroke_data *bd = (const stroke_data*)b;
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if (ad->chan == bd->chan)
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return ad->data - bd->data;
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else
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return ad->chan - bd->chan;
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}
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static stroke *find_stroke_data(stroke_data *sd,
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int chan, int data, int index,
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int *step, int *n_steps, int **steps,
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int *incr, int *mod,
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uint16_t n)
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{
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if (n < 16) {
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// Linear search is presumably faster for small arrays, and we also avoid
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// function calls for doing the comparisons here. Not sure where it breaks
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// even with glibc's bsearch(), though (TODO: measure).
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uint16_t i;
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for (i = 0; i < n; i++) {
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if (sd[i].chan == chan && sd[i].data == data) {
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if (step) *step = sd[i].step[index];
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if (n_steps) *n_steps = sd[i].n_steps[index];
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if (steps) *steps = sd[i].steps[index];
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if (incr) *incr = sd[i].is_incr;
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if (mod) *mod = sd[i].mod;
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return sd[i].s[index];
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} else if (sd[i].chan > chan ||
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(sd[i].chan == chan && sd[i].data > data))
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return NULL;
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}
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return NULL;
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} else {
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// binary search from libc
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stroke_data *ret, key;
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key.chan = chan; key.data = data;
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ret = bsearch(&key, sd, n, sizeof(stroke_data), stroke_data_cmp);
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if (ret) {
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if (step) *step = ret->step[index];
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if (n_steps) *n_steps = ret->n_steps[index];
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if (steps) *steps = ret->steps[index];
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if (incr) *incr = ret->is_incr;
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if (mod) *mod = ret->mod;
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return ret->s[index];
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} else
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return NULL;
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}
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}
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static stroke *find_note(translation *tr, int shift,
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int chan, int data, int index, int *mod,
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int *step, int *n_steps, int **steps)
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{
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return find_stroke_data(tr->note[shift], chan, data, index,
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step, n_steps, steps, 0, mod,
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tr->n_note[shift]);
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}
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static stroke *find_notes(translation *tr, int shift,
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int chan, int data, int index, int *step)
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{
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return find_stroke_data(tr->notes[shift], chan, data, index, step, 0, 0, 0, 0,
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tr->n_notes[shift]);
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}
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static stroke *find_pc(translation *tr, int shift,
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int chan, int data, int index)
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{
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return find_stroke_data(tr->pc[shift], chan, data, index, 0, 0, 0, 0, 0,
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tr->n_pc[shift]);
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}
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static stroke *find_cc(translation *tr, int shift,
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int chan, int data, int index, int *mod,
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int *step, int *n_steps, int **steps)
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{
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return find_stroke_data(tr->cc[shift], chan, data, index,
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step, n_steps, steps, 0, mod,
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tr->n_cc[shift]);
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}
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static stroke *find_ccs(translation *tr, int shift,
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int chan, int data, int index, int *step, int *incr)
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{
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return find_stroke_data(tr->ccs[shift], chan, data, index, step, 0, 0,
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incr, 0,
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tr->n_ccs[shift]);
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}
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static stroke *find_kp(translation *tr, int shift,
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int chan, int data, int index, int *mod,
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int *step, int *n_steps, int **steps)
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{
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return find_stroke_data(tr->kp[shift], chan, data, index,
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step, n_steps, steps, 0, mod,
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tr->n_kp[shift]);
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}
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static stroke *find_kps(translation *tr, int shift,
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int chan, int data, int index, int *step)
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{
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return find_stroke_data(tr->kps[shift], chan, data, index, step, 0, 0, 0, 0,
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tr->n_kps[shift]);
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}
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static stroke *find_cp(translation *tr, int shift,
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int chan, int index, int *mod,
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int *step, int *n_steps, int **steps)
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{
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return find_stroke_data(tr->cp[shift], chan, 0, index,
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step, n_steps, steps, 0, mod,
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tr->n_cp[shift]);
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}
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static stroke *find_cps(translation *tr, int shift,
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int chan, int index, int *step)
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{
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return find_stroke_data(tr->cps[shift], chan, 0, index, step, 0, 0, 0, 0,
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tr->n_cps[shift]);
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}
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static stroke *find_pb(translation *tr, int shift,
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int chan, int index, int *mod,
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int *step, int *n_steps, int **steps)
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{
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return find_stroke_data(tr->pb[shift], chan, 0, index,
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step, n_steps, steps, 0, mod,
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tr->n_pb[shift]);
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}
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static stroke *find_pbs(translation *tr, int shift,
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int chan, int index, int *step)
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{
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return find_stroke_data(tr->pbs[shift], chan, 0, index, step, 0, 0, 0, 0,
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tr->n_pbs[shift]);
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}
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stroke *
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fetch_stroke(translation *tr, uint8_t portno, int status, int chan, int data,
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int index, int dir, int *step, int *n_steps, int **steps,
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int *incr, int *mod)
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{
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if (tr && tr->portno == portno) {
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switch (status) {
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case 0x90:
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if (dir)
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return find_notes(tr, shift, chan, data, dir>0, step);
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else
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return find_note(tr, shift, chan, data, index, mod, step, n_steps, steps);
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case 0xc0:
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return find_pc(tr, shift, chan, data, index);
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case 0xb0:
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if (dir)
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return find_ccs(tr, shift, chan, data, dir>0, step, incr);
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else
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return find_cc(tr, shift, chan, data, index, mod, step, n_steps, steps);
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case 0xa0:
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if (dir)
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return find_kps(tr, shift, chan, data, dir>0, step);
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else
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return find_kp(tr, shift, chan, data, index, mod, step, n_steps, steps);
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case 0xd0:
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if (dir)
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return find_cps(tr, shift, chan, dir>0, step);
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else
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return find_cp(tr, shift, chan, index, mod, step, n_steps, steps);
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case 0xe0:
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if (dir)
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return find_pbs(tr, shift, chan, dir>0, step);
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else
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return find_pb(tr, shift, chan, index, mod, step, n_steps, steps);
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default:
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return NULL;
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}
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} else
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return NULL;
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}
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#define MAX_WINNAME_SIZE 1024
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static char last_window_name[MAX_WINNAME_SIZE];
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static char last_window_class[MAX_WINNAME_SIZE];
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static Window last_focused_window = 0;
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static translation *last_window_translation = NULL, *last_translation = NULL;
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static int last_window = 0;
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void reload_callback(void)
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{
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last_focused_window = 0;
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last_window_translation = last_translation = NULL;
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last_window = 0;
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}
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static void debug_section(translation *tr)
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{
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// we do some caching of the last printed translation here, so that we don't
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// print the same message twice
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if (debug_regex && (!last_window || tr != last_translation)) {
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last_translation = tr;
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last_window = 1;
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if (tr) {
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printf("translation: %s for %s (class %s)\n",
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tr->name, last_window_name, last_window_class);
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} else {
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printf("no translation found for %s (class %s)\n",
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last_window_name, last_window_class);
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}
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}
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}
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static char *note_name(int n)
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{
|
|
static char *note_names[] = { "C", "C#", "D", "Eb", "E", "F", "F#", "G", "G#", "A", "Bb", "B" };
|
|
if (n < 0 && n%12)
|
|
return note_names[12+n%12];
|
|
else
|
|
return note_names[n%12];
|
|
}
|
|
|
|
static int note_octave(int n)
|
|
{
|
|
if (n < 0 && n%12)
|
|
return n/12-1 + midi_octave;
|
|
else
|
|
return n/12 + midi_octave;
|
|
}
|
|
|
|
static char *debug_key(translation *tr, char *name,
|
|
int status, int chan, int data, int dir)
|
|
{
|
|
char *prefix = shift?"^":"", *suffix = "";
|
|
strcpy(name, "??");
|
|
switch (status) {
|
|
case 0x90: {
|
|
int mod = 0, step, n_steps, *steps;
|
|
if (tr) {
|
|
if (dir) {
|
|
step = 1;
|
|
(void)find_notes(tr, shift, chan, data, dir>0, &step);
|
|
} else
|
|
(void)find_note(tr, shift, chan, data, 0, &mod, &step, &n_steps, &steps);
|
|
}
|
|
if (!dir)
|
|
suffix = "";
|
|
else
|
|
suffix = (dir<0)?"-":"+";
|
|
if (dir && step != 1)
|
|
sprintf(name, "%s%s%d[%d]-%d%s", prefix, note_name(data),
|
|
note_octave(data), step, chan+1, suffix);
|
|
else if (!dir && mod)
|
|
if (step != 1)
|
|
sprintf(name, "%s%s%d[%d][%d]-%d", prefix, note_name(data),
|
|
note_octave(data), mod, step, chan+1);
|
|
else if (n_steps) {
|
|
sprintf(name, "%s%s%d[%d][", prefix, note_name(data),
|
|
note_octave(data), mod);
|
|
int l = strlen(name);
|
|
for (int i = 0; i < n_steps; i++, (l = strlen(name)))
|
|
sprintf(name+l, "%s%d", i?",":"", steps[i]);
|
|
sprintf(name+l, "]-%d", chan);
|
|
} else
|
|
sprintf(name, "%s%s%d[%d]-%d", prefix, note_name(data),
|
|
note_octave(data), mod, chan+1);
|
|
else
|
|
sprintf(name, "%s%s%d-%d%s", prefix, note_name(data),
|
|
note_octave(data), chan+1, suffix);
|
|
break;
|
|
}
|
|
case 0xa0: {
|
|
int step = 0, n_steps = 0, *steps = 0, mod = 0;
|
|
if (tr) {
|
|
if (dir) {
|
|
step = 1;
|
|
(void)find_kps(tr, shift, chan, data, dir>0, &step);
|
|
} else
|
|
(void)find_kp(tr, shift, chan, data, 0, &mod, &step, &n_steps, &steps);
|
|
}
|
|
if (!dir)
|
|
suffix = "";
|
|
else
|
|
suffix = (dir<0)?"-":"+";
|
|
if (dir && step != 1)
|
|
sprintf(name, "%sKP:%s%d[%d]-%d%s", prefix, note_name(data),
|
|
note_octave(data), step, chan+1, suffix);
|
|
else if (!dir && mod)
|
|
if (step != 1)
|
|
sprintf(name, "%sKP:%s%d[%d][%d]-%d", prefix, note_name(data),
|
|
note_octave(data), mod, step, chan+1);
|
|
else if (n_steps) {
|
|
sprintf(name, "%sKP:%s%d[%d][", prefix, note_name(data),
|
|
note_octave(data), mod);
|
|
int l = strlen(name);
|
|
for (int i = 0; i < n_steps; i++, (l = strlen(name)))
|
|
sprintf(name+l, "%s%d", i?",":"", steps[i]);
|
|
sprintf(name+l, "]-%d", chan);
|
|
} else
|
|
sprintf(name, "%sKP:%s%d[%d]-%d", prefix, note_name(data),
|
|
note_octave(data), mod, chan+1);
|
|
else
|
|
sprintf(name, "%sKP:%s%d-%d%s", prefix, note_name(data),
|
|
note_octave(data), chan+1, suffix);
|
|
break;
|
|
}
|
|
case 0xb0: {
|
|
int step = 0, n_steps = 0, *steps = 0, mod = 0, is_incr = 0;
|
|
if (tr) {
|
|
if (dir) {
|
|
step = 1;
|
|
(void)find_ccs(tr, shift, chan, data, dir>0, &step, &is_incr);
|
|
} else
|
|
(void)find_cc(tr, shift, chan, data, 0, &mod, &step, &n_steps, &steps);
|
|
}
|
|
if (!dir)
|
|
suffix = "";
|
|
else if (is_incr)
|
|
suffix = (dir<0)?"<":">";
|
|
else
|
|
suffix = (dir<0)?"-":"+";
|
|
if (dir && step != 1)
|
|
sprintf(name, "%sCC%d[%d]-%d%s", prefix, data, step, chan+1, suffix);
|
|
else if (!dir && mod)
|
|
if (step != 1)
|
|
sprintf(name, "%sCC%d[%d][%d]-%d", prefix, data, mod, step, chan+1);
|
|
else if (n_steps) {
|
|
sprintf(name, "%sCC%d[%d][", prefix, data, mod);
|
|
int l = strlen(name);
|
|
for (int i = 0; i < n_steps; i++, (l = strlen(name)))
|
|
sprintf(name+l, "%s%d", i?",":"", steps[i]);
|
|
sprintf(name+l, "]-%d", chan);
|
|
} else
|
|
sprintf(name, "%sCC%d[%d]-%d", prefix, data, mod, chan+1);
|
|
else
|
|
sprintf(name, "%sCC%d-%d%s", prefix, data, chan+1, suffix);
|
|
break;
|
|
}
|
|
case 0xc0:
|
|
sprintf(name, "%sPC%d-%d", prefix, data, chan+1);
|
|
break;
|
|
case 0xd0: {
|
|
int step = 0, n_steps = 0, *steps = 0, mod = 0;
|
|
if (tr) {
|
|
if (dir) {
|
|
step = 1;
|
|
(void)find_cps(tr, shift, chan, dir>0, &step);
|
|
} else
|
|
(void)find_cp(tr, shift, chan, 0, &mod, &step, &n_steps, &steps);
|
|
}
|
|
if (!dir)
|
|
suffix = "";
|
|
else
|
|
suffix = (dir<0)?"-":"+";
|
|
if (dir && step != 1)
|
|
sprintf(name, "%sCP[%d]-%d%s", prefix, step, chan+1, suffix);
|
|
else if (!dir && mod)
|
|
if (step != 1)
|
|
sprintf(name, "%sCP[%d][%d]-%d", prefix, mod, step, chan+1);
|
|
else if (n_steps) {
|
|
sprintf(name, "%sCP[%d][", prefix, mod);
|
|
int l = strlen(name);
|
|
for (int i = 0; i < n_steps; i++, (l = strlen(name)))
|
|
sprintf(name+l, "%s%d", i?",":"", steps[i]);
|
|
sprintf(name+l, "]-%d", chan);
|
|
} else
|
|
sprintf(name, "%sCP[%d]-%d", prefix, mod, chan+1);
|
|
else
|
|
sprintf(name, "%sCP-%d%s", prefix, chan+1, suffix);
|
|
break;
|
|
}
|
|
case 0xe0: {
|
|
int step = 1;
|
|
if (tr) (void)find_pbs(tr, shift, chan, dir>0, &step);
|
|
if (!dir)
|
|
suffix = "";
|
|
else
|
|
suffix = (dir<0)?"-":"+";
|
|
if (dir && step != 1)
|
|
sprintf(name, "%sPB[%d]-%d%s", prefix, step, chan+1, suffix);
|
|
else
|
|
sprintf(name, "%sPB-%d%s", prefix, chan+1, suffix);
|
|
break;
|
|
}
|
|
default: // this can't happen
|
|
break;
|
|
}
|
|
return name;
|
|
}
|
|
|
|
static void debug_input(int portno,
|
|
int status, int chan, int data, int data2)
|
|
{
|
|
char name[100];
|
|
if (status == 0xe0)
|
|
// translate LSB,MSB to a pitch bend value in the range -8192..8191
|
|
data2 = ((data2 << 7) | data) - 8192;
|
|
else if (status == 0xd0)
|
|
data2 = data;
|
|
if (status == 0xc0)
|
|
printf("[%d] %s\n", portno,
|
|
debug_key(0, name, status, chan, data, 0));
|
|
else if (status != 0xf0) // system messages ignored for now
|
|
printf("[%d] %s value = %d\n", portno,
|
|
debug_key(0, name, status, chan, data, 0), data2);
|
|
}
|
|
|
|
// Some machinery to handle the debugging of section matches. This is
|
|
// necessary since some inputs may generate a lot of calls to send_strokes()
|
|
// without ever actually matching any output sequence at all. In such cases we
|
|
// want to prevent a cascade of useless debugging messages by handling the
|
|
// message printing in a lazy manner.
|
|
|
|
static int debug_state = 0, debug_count = 0;
|
|
static translation *debug_tr = NULL;
|
|
|
|
static void start_debug()
|
|
{
|
|
// start a debugging section
|
|
debug_state = debug_regex;
|
|
debug_tr = NULL;
|
|
debug_count = 0;
|
|
}
|
|
|
|
static void end_debug()
|
|
{
|
|
// end a debugging section; if we still haven't matched an output sequence,
|
|
// but processed any input at all, we print the last matched translation
|
|
// section now anyway
|
|
if (debug_state && debug_count) debug_section(debug_tr);
|
|
debug_state = 0;
|
|
}
|
|
|
|
void
|
|
send_strokes(translation *tr, uint8_t portno, int status, int chan,
|
|
int data, int data2, int index, int dir)
|
|
{
|
|
int nkeys = 0, step = 0, n_steps = 0, *steps = 0, is_incr = 0, mod = 0;
|
|
stroke *s = fetch_stroke(tr, portno, status, chan, data, index, dir,
|
|
&step, &n_steps, &steps, &is_incr, &mod);
|
|
// If there's no press/release translation, check whether we have got at
|
|
// least the corresponding release/press translation, in order to prevent
|
|
// spurious error messages if either the press or release translation just
|
|
// happens to be empty.
|
|
int chk = s ||
|
|
(!dir && fetch_stroke(tr, portno, status, chan, data, !index, dir, 0, 0, 0, 0, 0));
|
|
|
|
if (!s && jack_num_outputs) {
|
|
// fall back to default MIDI translation
|
|
tr = default_midi_translation[portno];
|
|
s = fetch_stroke(tr, portno, status, chan, data, index, dir,
|
|
&step, &n_steps, &steps, &is_incr, &mod);
|
|
chk = chk || s ||
|
|
(!dir && fetch_stroke(tr, portno, status, chan, data, !index, dir, 0, 0, 0, 0, 0));
|
|
// Ignore all MIDI input on the second port if no translation was found in
|
|
// the [MIDI2] section (or the section is missing altogether).
|
|
if (portno && !s) return;
|
|
}
|
|
|
|
if (!s) {
|
|
// fall back to the default translation
|
|
tr = default_translation;
|
|
s = fetch_stroke(tr, portno, status, chan, data, index, dir,
|
|
&step, &n_steps, &steps, &is_incr, &mod);
|
|
chk = chk || s ||
|
|
(!dir && fetch_stroke(tr, portno, status, chan, data, !index, dir, 0, 0, 0, 0, 0));
|
|
}
|
|
|
|
if (debug_regex) {
|
|
if (s) {
|
|
// found a sequence, print the matching section now
|
|
debug_section(tr);
|
|
debug_state = 0;
|
|
} else if (!chk) {
|
|
// No matches yet. To prevent a cascade of spurious messages, we defer
|
|
// printing the matched section for now and just record it instead; it
|
|
// may then be printed later.
|
|
debug_tr = tr;
|
|
// record that we actually tried to process some input
|
|
debug_count = 1;
|
|
}
|
|
}
|
|
|
|
if (s && debug_keys) {
|
|
char name[100];
|
|
print_stroke_sequence(debug_key(tr, name, status, chan, data, dir),
|
|
(dir||mod)?"":index?"U":"D", s,
|
|
mod, step, n_steps, steps, data2);
|
|
}
|
|
while (s) {
|
|
if (s->keysym) {
|
|
send_key(s->keysym, s->press);
|
|
nkeys++;
|
|
} else if (s->shift) {
|
|
// toggle shift status
|
|
shift = !shift;
|
|
} else {
|
|
send_midi(portno, s->status, s->data, s->step, s->n_steps, s->steps,
|
|
s->incr, index, dir,
|
|
mod, step, n_steps, steps, data2);
|
|
}
|
|
s = s->next;
|
|
}
|
|
// no need to flush the display if we didn't send any keys
|
|
if (nkeys) {
|
|
XFlush(display);
|
|
}
|
|
}
|
|
|
|
char *
|
|
get_window_name(Window win)
|
|
{
|
|
Atom prop = XInternAtom(display, "WM_NAME", False);
|
|
Atom type;
|
|
int form;
|
|
unsigned long remain, len;
|
|
unsigned char *list;
|
|
|
|
if (XGetWindowProperty(display, win, prop, 0, 1024, False,
|
|
AnyPropertyType, &type, &form, &len, &remain,
|
|
&list) != Success) {
|
|
fprintf(stderr, "XGetWindowProperty failed for window 0x%x\n", (int)win);
|
|
return NULL;
|
|
}
|
|
|
|
return (char*)list;
|
|
}
|
|
|
|
char *
|
|
get_window_class(Window win)
|
|
{
|
|
Atom prop = XInternAtom(display, "WM_CLASS", False);
|
|
Atom type;
|
|
int form;
|
|
unsigned long remain, len;
|
|
unsigned char *list;
|
|
|
|
if (XGetWindowProperty(display, win, prop, 0, 1024, False,
|
|
AnyPropertyType, &type, &form, &len, &remain,
|
|
&list) != Success) {
|
|
fprintf(stderr, "XGetWindowProperty failed for window 0x%x\n", (int)win);
|
|
return NULL;
|
|
}
|
|
|
|
return (char*)list;
|
|
}
|
|
|
|
char *
|
|
walk_window_tree(Window win, char **window_class)
|
|
{
|
|
char *window_name;
|
|
Window root = 0;
|
|
Window parent;
|
|
Window *children;
|
|
unsigned int nchildren;
|
|
|
|
while (win != root) {
|
|
window_name = get_window_name(win);
|
|
if (window_name != NULL) {
|
|
*window_class = get_window_class(win);
|
|
return window_name;
|
|
}
|
|
if (XQueryTree(display, win, &root, &parent, &children, &nchildren)) {
|
|
win = parent;
|
|
XFree(children);
|
|
} else {
|
|
fprintf(stderr, "XQueryTree failed for window 0x%x\n", (int)win);
|
|
return NULL;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
translation *
|
|
get_focused_window_translation()
|
|
{
|
|
Window focus;
|
|
int revert_to;
|
|
char *window_name = NULL, *window_class = NULL;
|
|
|
|
XGetInputFocus(display, &focus, &revert_to);
|
|
if (focus != last_focused_window) {
|
|
last_window = 0;
|
|
last_focused_window = focus;
|
|
window_name = walk_window_tree(focus, &window_class);
|
|
last_window_translation = get_translation(window_name, window_class);
|
|
if (window_name && *window_name) {
|
|
strncpy(last_window_name, window_name, MAX_WINNAME_SIZE);
|
|
last_window_name[MAX_WINNAME_SIZE-1] = 0;
|
|
} else {
|
|
strcpy(last_window_name, "Unnamed");;
|
|
}
|
|
if (window_class && *window_class) {
|
|
strncpy(last_window_class, window_class, MAX_WINNAME_SIZE);
|
|
last_window_class[MAX_WINNAME_SIZE-1] = 0;
|
|
} else {
|
|
strcpy(last_window_name, "Unnamed");;
|
|
}
|
|
if (window_name != NULL) {
|
|
XFree(window_name);
|
|
}
|
|
if (window_class != NULL) {
|
|
XFree(window_class);
|
|
}
|
|
}
|
|
return last_window_translation;
|
|
}
|
|
|
|
static int8_t innotevalue[2][16][128];
|
|
static int8_t inccvalue[2][16][128];
|
|
static int8_t inkpvalue[2][16][128];
|
|
static int8_t incpvalue[2][16];
|
|
static int16_t inpbvalue[2][16] =
|
|
{{8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192,
|
|
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192},
|
|
{8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192,
|
|
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192}};
|
|
|
|
// If this option is enabled (-k on the command line), we make sure that each
|
|
// "key" (note, cc, pb) is "off" before we allow it to go "on" again. This is
|
|
// useful to eliminate double note-ons and the like, but interferes with the
|
|
// way some controllers work, so it is disabled by default.
|
|
|
|
static int keydown_tracker = 0;
|
|
|
|
static uint8_t innotedown[2][16][128];
|
|
static uint8_t inccdown[2][16][128];
|
|
static uint8_t inpbdown[2][16];
|
|
static uint8_t inkpdown[2][16][128];
|
|
static uint8_t incpdown[2][16];
|
|
|
|
int
|
|
check_notes(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
if (tr && tr->portno == portno &&
|
|
(find_notes(tr, shift, chan, data, 0, 0) ||
|
|
find_notes(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_notes(tr, shift, chan, data, 0, 0) ||
|
|
find_notes(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_notes(tr, shift, chan, data, 0, 0) ||
|
|
find_notes(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
get_note_step(translation *tr, uint8_t portno, int chan, int data, int dir)
|
|
{
|
|
int step;
|
|
if (tr && tr->portno == portno &&
|
|
find_notes(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_notes(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_notes(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_note_mod(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
int mod;
|
|
if (tr && tr->portno == portno &&
|
|
find_note(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_note(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_note(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_incr(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
int is_incr;
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, &is_incr) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, &is_incr)))
|
|
return is_incr;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, &is_incr) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, &is_incr)))
|
|
return is_incr;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, &is_incr) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, &is_incr)))
|
|
return is_incr;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_ccs(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, 0) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, 0)))
|
|
return 1;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, 0) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, 0)))
|
|
return 1;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_ccs(tr, shift, chan, data, 0, 0, 0) ||
|
|
find_ccs(tr, shift, chan, data, 1, 0, 0)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
get_cc_step(translation *tr, uint8_t portno, int chan, int data, int dir)
|
|
{
|
|
int step;
|
|
if (tr && tr->portno == portno &&
|
|
find_ccs(tr, shift, chan, data, dir>0, &step, 0))
|
|
return step;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_ccs(tr, shift, chan, data, dir>0, &step, 0))
|
|
return step;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_ccs(tr, shift, chan, data, dir>0, &step, 0))
|
|
return step;
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_cc_mod(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
int mod;
|
|
if (tr && tr->portno == portno &&
|
|
find_cc(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_cc(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_cc(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_kps(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
if (tr && tr->portno == portno &&
|
|
(find_kps(tr, shift, chan, data, 0, 0) ||
|
|
find_kps(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_kps(tr, shift, chan, data, 0, 0) ||
|
|
find_kps(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_kps(tr, shift, chan, data, 0, 0) ||
|
|
find_kps(tr, shift, chan, data, 1, 0)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
get_kp_step(translation *tr, uint8_t portno, int chan, int data, int dir)
|
|
{
|
|
int step;
|
|
if (tr && tr->portno == portno &&
|
|
find_kps(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_kps(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_kps(tr, shift, chan, data, dir>0, &step))
|
|
return step;
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_kp_mod(translation *tr, uint8_t portno, int chan, int data)
|
|
{
|
|
int mod;
|
|
if (tr && tr->portno == portno &&
|
|
find_kp(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_kp(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_kp(tr, shift, chan, data, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_cps(translation *tr, uint8_t portno, int chan)
|
|
{
|
|
if (tr && tr->portno == portno &&
|
|
(find_cps(tr, shift, chan, 0, 0) ||
|
|
find_cps(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_cps(tr, shift, chan, 0, 0) ||
|
|
find_cps(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_cps(tr, shift, chan, 0, 0) ||
|
|
find_cps(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
get_cp_step(translation *tr, uint8_t portno, int chan, int dir)
|
|
{
|
|
int step;
|
|
if (tr && tr->portno == portno &&
|
|
find_cps(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_cps(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_cps(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_cp_mod(translation *tr, uint8_t portno, int chan)
|
|
{
|
|
int mod;
|
|
if (tr && tr->portno == portno &&
|
|
find_cp(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_cp(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_cp(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_pbs(translation *tr, uint8_t portno, int chan)
|
|
{
|
|
if (tr && tr->portno == portno &&
|
|
(find_pbs(tr, shift, chan, 0, 0) ||
|
|
find_pbs(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
(find_pbs(tr, shift, chan, 0, 0) ||
|
|
find_pbs(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
(find_pbs(tr, shift, chan, 0, 0) ||
|
|
find_pbs(tr, shift, chan, 1, 0)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
get_pb_step(translation *tr, uint8_t portno, int chan, int dir)
|
|
{
|
|
int step;
|
|
if (tr && tr->portno == portno &&
|
|
find_pbs(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_pbs(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_pbs(tr, shift, chan, dir>0, &step))
|
|
return step;
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_pb_mod(translation *tr, uint8_t portno, int chan)
|
|
{
|
|
int mod;
|
|
if (tr && tr->portno == portno &&
|
|
find_pb(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_midi_translation[portno];
|
|
if (tr && tr->portno == portno &&
|
|
find_pb(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
tr = default_translation;
|
|
if (tr && tr->portno == portno &&
|
|
find_pb(tr, shift, chan, 0, &mod, 0, 0, 0))
|
|
return mod;
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
handle_event(uint8_t *msg, uint8_t portno)
|
|
{
|
|
translation *tr = get_focused_window_translation();
|
|
|
|
//fprintf(stderr, "midi [%d]: %0x %0x %0x\n", portno, msg[0], msg[1], msg[2]);
|
|
int status = msg[0] & 0xf0, chan = msg[0] & 0x0f;
|
|
if (status == 0x80) {
|
|
// convert proper note-off to note-on with vel. 0
|
|
status = 0x90;
|
|
msg[0] = status | chan;
|
|
msg[2] = 0;
|
|
}
|
|
if (debug_midi) debug_input(portno, status, chan, msg[1], msg[2]);
|
|
switch (status) {
|
|
case 0xc0:
|
|
start_debug();
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, 0);
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 1, 0);
|
|
end_debug();
|
|
break;
|
|
case 0xb0:
|
|
start_debug();
|
|
if (get_cc_mod(tr, portno, chan, msg[1]))
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
else if (msg[2]) {
|
|
if (!keydown_tracker || !inccdown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
inccdown[portno][chan][msg[1]] = 1;
|
|
}
|
|
} else {
|
|
if (!keydown_tracker || inccdown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 1, 0);
|
|
inccdown[portno][chan][msg[1]] = 0;
|
|
}
|
|
}
|
|
// This is a bit of a kludge, since controllers can be used in two
|
|
// different ways. It may happen that we haven't got any translations for
|
|
// the pressed/released state, and that because of a step size >1 the
|
|
// incremental controllers also fail to generate a single stroke. In such
|
|
// a case, we want to pretend that we haven't actually seen any input at
|
|
// all, to prevent spurios section matches when regex debugging is in
|
|
// effect. So we reset the debug counter here, which keeps track of the
|
|
// number of generated strokes.
|
|
debug_count = 0;
|
|
if (check_incr(tr, portno, chan, msg[1])) {
|
|
// Incremental controller a la MCU. NB: This assumes a signed bit
|
|
// representation (values above 0x40 indicate counter-clockwise
|
|
// rotation), which seems to be what most DAWs expect nowadays.
|
|
if (msg[2] < 64) {
|
|
int step = get_cc_step(tr, portno, chan, msg[1], -1);
|
|
if (step) {
|
|
int d = msg[2]/step;
|
|
while (d) {
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, 1);
|
|
d--;
|
|
}
|
|
}
|
|
} else if (msg[2] > 64) {
|
|
int step = get_cc_step(tr, portno, chan, msg[1], -1);
|
|
if (step) {
|
|
int d = (msg[2]-64)/step;
|
|
while (d) {
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, -1);
|
|
d--;
|
|
}
|
|
}
|
|
}
|
|
} else if (check_ccs(tr, portno, chan, msg[1]) &&
|
|
inccvalue[portno][chan][msg[1]] != msg[2]) {
|
|
int dir = inccvalue[portno][chan][msg[1]] > msg[2] ? -1 : 1;
|
|
int step = get_cc_step(tr, portno, chan, msg[1], dir);
|
|
if (step) {
|
|
while (inccvalue[portno][chan][msg[1]] != msg[2]) {
|
|
int d = abs(inccvalue[portno][chan][msg[1]] - msg[2]);
|
|
if (d > step) d = step;
|
|
if (d < step) break;
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, dir);
|
|
inccvalue[portno][chan][msg[1]] += dir*d;
|
|
}
|
|
}
|
|
}
|
|
end_debug();
|
|
break;
|
|
case 0x90:
|
|
start_debug();
|
|
if (get_note_mod(tr, portno, chan, msg[1]))
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
else if (msg[2]) {
|
|
if (!keydown_tracker || !innotedown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
innotedown[portno][chan][msg[1]] = 1;
|
|
}
|
|
} else {
|
|
if (!keydown_tracker || innotedown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 1, 0);
|
|
innotedown[portno][chan][msg[1]] = 0;
|
|
}
|
|
}
|
|
debug_count = 0;
|
|
if (check_notes(tr, portno, chan, msg[1]) &&
|
|
innotevalue[portno][chan][msg[1]] != msg[2]) {
|
|
int dir = innotevalue[portno][chan][msg[1]] > msg[2] ? -1 : 1;
|
|
int step = get_note_step(tr, portno, chan, msg[1], dir);
|
|
if (step) {
|
|
while (innotevalue[portno][chan][msg[1]] != msg[2]) {
|
|
int d = abs(innotevalue[portno][chan][msg[1]] - msg[2]);
|
|
if (d > step) d = step;
|
|
if (d < step) break;
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, dir);
|
|
innotevalue[portno][chan][msg[1]] += dir*d;
|
|
}
|
|
}
|
|
}
|
|
end_debug();
|
|
break;
|
|
case 0xa0:
|
|
start_debug();
|
|
if (get_kp_mod(tr, portno, chan, msg[1]))
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
else if (msg[2]) {
|
|
if (!keydown_tracker || !inkpdown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 0, 0);
|
|
inkpdown[portno][chan][msg[1]] = 1;
|
|
}
|
|
} else {
|
|
if (!keydown_tracker || inkpdown[portno][chan][msg[1]]) {
|
|
send_strokes(tr, portno, status, chan, msg[1], msg[2], 1, 0);
|
|
inkpdown[portno][chan][msg[1]] = 0;
|
|
}
|
|
}
|
|
debug_count = 0;
|
|
if (check_kps(tr, portno, chan, msg[1]) &&
|
|
inkpvalue[portno][chan][msg[1]] != msg[2]) {
|
|
int dir = inkpvalue[portno][chan][msg[1]] > msg[2] ? -1 : 1;
|
|
int step = get_kp_step(tr, portno, chan, msg[1], dir);
|
|
if (step) {
|
|
while (inkpvalue[portno][chan][msg[1]] != msg[2]) {
|
|
int d = abs(inkpvalue[portno][chan][msg[1]] - msg[2]);
|
|
if (d > step) d = step;
|
|
if (d < step) break;
|
|
send_strokes(tr, portno, status, chan, msg[1], 0, 0, dir);
|
|
inkpvalue[portno][chan][msg[1]] += dir*d;
|
|
}
|
|
}
|
|
}
|
|
end_debug();
|
|
break;
|
|
case 0xd0:
|
|
start_debug();
|
|
if (get_cp_mod(tr, portno, chan))
|
|
send_strokes(tr, portno, status, chan, 0, msg[1], 0, 0);
|
|
else if (msg[1]) {
|
|
if (!keydown_tracker || !incpdown[portno][chan]) {
|
|
send_strokes(tr, portno, status, chan, 0, 0, 0, 0);
|
|
incpdown[portno][chan] = 1;
|
|
}
|
|
} else {
|
|
if (!keydown_tracker || incpdown[portno][chan]) {
|
|
send_strokes(tr, portno, status, chan, 0, 0, 1, 0);
|
|
incpdown[portno][chan] = 0;
|
|
}
|
|
}
|
|
debug_count = 0;
|
|
if (check_cps(tr, portno, chan) &&
|
|
incpvalue[portno][chan] != msg[1]) {
|
|
int dir = incpvalue[portno][chan] > msg[1] ? -1 : 1;
|
|
int step = get_cp_step(tr, portno, chan, dir);
|
|
if (step) {
|
|
while (incpvalue[portno][chan] != msg[1]) {
|
|
int d = abs(incpvalue[portno][chan] - msg[1]);
|
|
if (d > step) d = step;
|
|
if (d < step) break;
|
|
send_strokes(tr, portno, status, chan, 0, 0, 0, dir);
|
|
incpvalue[portno][chan] += dir*d;
|
|
}
|
|
}
|
|
}
|
|
end_debug();
|
|
break;
|
|
case 0xe0: {
|
|
int bend = ((msg[2] << 7) | msg[1]) - 8192;
|
|
start_debug();
|
|
//fprintf(stderr, "pb %d\n", bend);
|
|
if (get_pb_mod(tr, portno, chan))
|
|
send_strokes(tr, portno, status, chan, 0, bend, 0, 0);
|
|
else if (bend) {
|
|
if (!keydown_tracker || !inpbdown[portno][chan]) {
|
|
send_strokes(tr, portno, status, chan, 0, 0, 0, 0);
|
|
inpbdown[portno][chan] = 1;
|
|
}
|
|
} else {
|
|
if (!keydown_tracker || inpbdown[portno][chan]) {
|
|
send_strokes(tr, portno, status, chan, 0, 0, 1, 0);
|
|
inpbdown[portno][chan] = 0;
|
|
}
|
|
}
|
|
debug_count = 0;
|
|
if (check_pbs(tr, portno, chan) && inpbvalue[portno][chan] - 8192 != bend) {
|
|
int dir = inpbvalue[portno][chan] - 8192 > bend ? -1 : 1;
|
|
int step = get_pb_step(tr, portno, chan, dir);
|
|
if (step) {
|
|
while (inpbvalue[portno][chan] - 8192 != bend) {
|
|
int d = abs(inpbvalue[portno][chan] - 8192 - bend);
|
|
if (d > step) d = step;
|
|
if (d < step) break;
|
|
send_strokes(tr, portno, status, chan, 0, 0, 0, dir);
|
|
inpbvalue[portno][chan] += dir*d;
|
|
}
|
|
}
|
|
}
|
|
end_debug();
|
|
break;
|
|
}
|
|
default:
|
|
// ignore everything else for now, specifically system messages
|
|
break;
|
|
}
|
|
}
|
|
|
|
void help(char *progname)
|
|
{
|
|
fprintf(stderr, "Usage: %s [-h] [-k] [-o[2]] [-j name] [-r rcfile] [-d[rskmj]]\n", progname);
|
|
fprintf(stderr, "-h print this message\n");
|
|
fprintf(stderr, "-k keep track of key status (ignore double notes)\n");
|
|
fprintf(stderr, "-o enable MIDI output (add 2 for a second pair of ports)\n");
|
|
fprintf(stderr, "-j jack client name (default: midizap)\n");
|
|
fprintf(stderr, "-r config file name (default: MIDIZAP_CONFIG_FILE variable or ~/.midizaprc)\n");
|
|
fprintf(stderr, "-d debug (r = regex, s = strokes, k = keys, m = midi, j = jack; default: all)\n");
|
|
}
|
|
|
|
uint8_t quit = 0;
|
|
|
|
void quitter()
|
|
{
|
|
quit = 1;
|
|
}
|
|
|
|
// Helper functions to process the command line, so that we can pass it to
|
|
// Jack session management.
|
|
|
|
static char *command_line;
|
|
static size_t len;
|
|
|
|
static void add_command(char *arg)
|
|
{
|
|
char *a = arg;
|
|
// Do some simplistic quoting if the argument contains blanks. This won't do
|
|
// the right thing if the argument also contains quotes. Oh well.
|
|
if ((strchr(a, ' ') || strchr(a, '\t')) && !strchr(a, '"')) {
|
|
a = malloc(strlen(arg)+3);
|
|
sprintf(a, "\"%s\"", arg);
|
|
}
|
|
if (!command_line) {
|
|
len = strlen(a);
|
|
command_line = malloc(len+1);
|
|
strcpy(command_line, a);
|
|
} else {
|
|
size_t l = strlen(a)+1;
|
|
command_line = realloc(command_line, len+l+1);
|
|
command_line[len] = ' ';
|
|
strcpy(command_line+len+1, a);
|
|
len += l;
|
|
}
|
|
if (a != arg) free(a);
|
|
}
|
|
|
|
static char *absolute_path(char *name)
|
|
{
|
|
if (*name == '/') {
|
|
return name;
|
|
} else {
|
|
// This is a relative pathname, we turn it into a canonicalized absolute
|
|
// path. NOTE: This requires glibc. We should probably rewrite this code
|
|
// to be more portable.
|
|
char *pwd = getcwd(NULL, 0);
|
|
if (!pwd) {
|
|
perror("getcwd");
|
|
return name;
|
|
} else {
|
|
char *path = malloc(strlen(pwd)+strlen(name)+2);
|
|
static char abspath[PATH_MAX];
|
|
sprintf(path, "%s/%s", pwd, name);
|
|
realpath(path, abspath);
|
|
free(path); free(pwd);
|
|
return abspath;
|
|
}
|
|
}
|
|
}
|
|
|
|
// poll interval in microsec (this shouldn't be too large to avoid jitter)
|
|
#define POLL_INTERVAL 1000
|
|
// how often we check the config file per sec (> 0, < 1000000/POLL_INTERVAL)
|
|
#define CONF_FREQ 1
|
|
#define MAX_COUNT (1000000/CONF_FREQ/POLL_INTERVAL)
|
|
|
|
#include <time.h>
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
uint8_t msg[3];
|
|
int opt;
|
|
|
|
// Start recording the command line to be passed to Jack session management.
|
|
add_command(argv[0]);
|
|
|
|
while ((opt = getopt(argc, argv, "hko::d::j:r:")) != -1) {
|
|
switch (opt) {
|
|
case 'h':
|
|
help(argv[0]);
|
|
exit(0);
|
|
case 'k':
|
|
// see comment on -k and keydown_tracker above
|
|
keydown_tracker = 1;
|
|
add_command("-k");
|
|
break;
|
|
case 'o':
|
|
jack_num_outputs = 1;
|
|
if (optarg && *optarg) {
|
|
const char *a = optarg;
|
|
if (!strcmp(a, "2")) {
|
|
jack_num_outputs = 2;
|
|
add_command("-o2");
|
|
} else if (strcmp(a, "1")) {
|
|
fprintf(stderr, "%s: wrong port number (-o), must be 1 or 2\n", argv[0]);
|
|
fprintf(stderr, "Try -h for help.\n");
|
|
exit(1);
|
|
} else
|
|
add_command("-o1");
|
|
} else
|
|
add_command("-o");
|
|
break;
|
|
case 'd':
|
|
if (optarg && *optarg) {
|
|
const char *a = optarg; char buf[100];
|
|
snprintf(buf, 100, "-d%s", optarg);
|
|
add_command(buf);
|
|
while (*a) {
|
|
switch (*a) {
|
|
case 'r':
|
|
default_debug_regex = 1;
|
|
break;
|
|
case 's':
|
|
default_debug_strokes = 1;
|
|
break;
|
|
case 'k':
|
|
default_debug_keys = 1;
|
|
break;
|
|
case 'm':
|
|
default_debug_midi = 1;
|
|
break;
|
|
case 'j':
|
|
debug_jack = 1;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "%s: unknown debugging option (-d), must be r, s, k or j\n", argv[0]);
|
|
fprintf(stderr, "Try -h for help.\n");
|
|
exit(1);
|
|
}
|
|
++a;
|
|
}
|
|
} else {
|
|
default_debug_regex = default_debug_strokes = default_debug_keys =
|
|
default_debug_midi = 1;
|
|
debug_jack = 1;
|
|
add_command("-d");
|
|
}
|
|
break;
|
|
case 'j':
|
|
jack_client_name = optarg;
|
|
add_command("-j");
|
|
add_command(optarg);
|
|
break;
|
|
case 'r':
|
|
config_file_name = optarg;
|
|
add_command("-r");
|
|
// We need to convert this to an absolute pathname for Jack session
|
|
// management.
|
|
add_command(absolute_path(optarg));
|
|
break;
|
|
default:
|
|
fprintf(stderr, "Try -h for help.\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (optind < argc) {
|
|
help(argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
if (command_line) jack_command_line = command_line;
|
|
|
|
initdisplay();
|
|
|
|
// Force the config file to be loaded initially, so that we pick up the Jack
|
|
// client name to be used (if not set from the command line). This cannot be
|
|
// changed later, so if you want to make changes to the client name in the
|
|
// config file take effect, you need to restart the program.
|
|
read_config_file();
|
|
|
|
seq.client_name = jack_client_name;
|
|
seq.n_in = jack_num_outputs>1?jack_num_outputs:1;
|
|
seq.n_out = jack_num_outputs;
|
|
if (!init_jack(&seq, debug_jack)) {
|
|
exit(1);
|
|
}
|
|
|
|
int do_flush = debug_regex || debug_strokes || debug_keys || debug_midi ||
|
|
debug_jack;
|
|
signal(SIGINT, quitter);
|
|
time_t t0 = time(0);
|
|
while (!quit) {
|
|
uint8_t portno;
|
|
if (jack_quit) {
|
|
printf("[jack %s, exiting]\n",
|
|
(jack_quit>0)?"asked us to quit":"shutting down");
|
|
close_jack(&seq);
|
|
exit(0);
|
|
}
|
|
while (pop_midi(&seq, msg, &portno)) {
|
|
handle_event(msg, portno);
|
|
time_t t = time(0);
|
|
if (t > t0) {
|
|
// Check whether to reload the config file every sec.
|
|
if (read_config_file()) last_focused_window = 0;
|
|
t0 = t;
|
|
}
|
|
}
|
|
usleep(POLL_INTERVAL);
|
|
time_t t = time(0);
|
|
if (t > t0) {
|
|
// Check again when polling.
|
|
if (read_config_file()) last_focused_window = 0;
|
|
t0 = t;
|
|
}
|
|
// Make sure that debugging output gets flushed every once in a while (may
|
|
// be buffered when midizap is running inside a QjackCtl session).
|
|
if (do_flush) fflush(NULL);
|
|
}
|
|
printf(" [exiting]\n");
|
|
close_jack(&seq);
|
|
}
|