--- /dev/null
+#ifdef HAVE_SHUTTLE
+// Copyright 2013 Eric Messick (FixedImagePhoto.com/Contact)
+// reworked 2019 for cinelerra-gg by William Morrow
+
+// keys.h collides with linux/input_events.h
+#define KEYS_H
+
+#include "arraylist.h"
+#include "cstrdup.h"
+#include "file.h"
+#include "guicast.h"
+#include "linklist.h"
+#include "loadfile.h"
+#include "mainmenu.h"
+#include "mwindow.h"
+#include "shuttle.h"
+#include "thread.h"
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+
+static Time milliTimeClock()
+{
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+ return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+}
+
+KeySymMapping KeySymMapping::key_sym_mapping[] = {
+ { "XK_Button_1", XK_Button_1 },
+ { "XK_Button_2", XK_Button_2 },
+ { "XK_Button_3", XK_Button_3 },
+ { "XK_Scroll_Up", XK_Scroll_Up },
+ { "XK_Scroll_Down", XK_Scroll_Down },
+#include "shuttle_keys.h"
+ { NULL, 0 }
+};
+
+KeySym KeySymMapping::to_keysym(const char *str)
+{
+ for( KeySymMapping *ksp = &key_sym_mapping[0]; ksp->str; ++ksp )
+ if( !strcmp(str, ksp->str) ) return ksp->sym;
+ return 0;
+}
+
+const char *KeySymMapping::to_string(KeySym ks)
+{
+ for( KeySymMapping *ksp = &key_sym_mapping[0]; ksp->sym; ++ksp )
+ if( ksp->sym == ks ) return ksp->str;
+ return 0;
+}
+
+TransName::TransName(int cin, const char *nm, const char *re)
+{
+ this->cin = cin;
+ this->name = cstrdup(nm);
+ this->err = regcomp(&this->regex, re, REG_NOSUB);
+ if( err ) {
+ fprintf(stderr, "error compiling regex for [%s]: %s\n", name, re);
+ char emsg[BCTEXTLEN];
+ regerror(err, ®ex, emsg, sizeof(emsg));
+ fprintf(stderr, "regerror: %s\n", emsg);
+ }
+}
+TransName::~TransName()
+{
+ delete [] name;
+ regfree(®ex);
+}
+
+void Translation::init(int def)
+{
+ is_default = def;
+ is_key = 0;
+ first_release_stroke = 0;
+ pressed = 0;
+ released = 0;
+ keysym_down = 0;
+}
+
+Translation::Translation(Shuttle *shuttle)
+ : modifiers(this)
+{ // initial default translation
+ init(1);
+ this->shuttle = shuttle;
+ this->name = cstrdup("Default");
+ names.append(new TransName(FOCUS_DEFAULT, name, ""));
+ key_down[K6].add_stroke(XK_Button_1, 1);
+ key_up[K6].add_stroke(XK_Button_1, 0);
+ key_down[K7].add_stroke(XK_Button_2, 1);
+ key_up[K7].add_stroke(XK_Button_2, 0);
+ key_down[K8].add_stroke(XK_Button_3, 1);
+ key_up[K8].add_stroke(XK_Button_3, 0);
+ jog[JL].add_stroke(XK_Scroll_Up, 1);
+ jog[JL].add_stroke(XK_Scroll_Up, 0);
+ jog[JR].add_stroke(XK_Scroll_Down, 0);
+ jog[JR].add_stroke(XK_Scroll_Down, 1);
+}
+
+Translation::Translation(Shuttle *shuttle, const char *name)
+ : modifiers(this)
+{
+ init(0);
+ this->shuttle = shuttle;
+ this->name = cstrdup(name);
+}
+
+Translation::~Translation()
+{
+ delete [] name;
+}
+
+void Translation::clear()
+{
+ names.remove_all_objects();
+ init(0);
+ for( int i=0; i<NUM_KEYS; ++i ) key_down[i].clear();
+ for( int i=0; i<NUM_KEYS; ++i ) key_up[i].clear();
+ for( int i=0; i<NUM_SHUTTLES; ++i ) shuttles[i].clear();
+ for( int i=0; i<NUM_JOGS; ++i ) jog[i].clear();
+}
+
+void Translation::append_stroke(KeySym sym, int press)
+{
+ Stroke *s = pressed_strokes->append();
+ s->keysym = sym;
+ s->press = press;
+}
+
+void Translation::add_keysym(KeySym sym, int press_release)
+{
+//printf("add_keysym(0x%x, %d)\n", (int)sym, press_release);
+ switch( press_release ) {
+ case PRESS:
+ append_stroke(sym, 1);
+ modifiers.mark_as_down(sym, 0);
+ break;
+ case RELEASE:
+ append_stroke(sym, 0);
+ modifiers.mark_as_up(sym);
+ break;
+ case HOLD:
+ append_stroke(sym, 1);
+ modifiers.mark_as_down(sym, 1);
+ break;
+ case PRESS_RELEASE:
+ default:
+ if( first_release_stroke ) {
+ modifiers.re_press();
+ first_release_stroke = 0;
+ }
+ if( keysym_down ) {
+ append_stroke(keysym_down, 0);
+ }
+ append_stroke(sym, 1);
+ keysym_down = sym;
+ break;
+ }
+}
+
+void Translation::add_release(int all_keys)
+{
+//printf("add_release(%d)\n", all_keys);
+ modifiers.release(all_keys);
+ if( !all_keys ) {
+ pressed_strokes = released_strokes;
+ }
+ if( keysym_down ) {
+ append_stroke(keysym_down, 0);
+ keysym_down = 0;
+ }
+ first_release_stroke = 1;
+}
+
+void Translation::add_keystroke(const char *keySymName, int press_release)
+{
+ KeySym sym;
+
+ if( is_key && !strncmp(keySymName, "RELEASE", 8) ) {
+ add_release(0);
+ return;
+ }
+ sym = KeySymMapping::to_keysym(keySymName);
+ if( sym != 0 ) {
+ add_keysym(sym, press_release);
+ }
+ else
+ fprintf(stderr, "unrecognized KeySym: %s\n", keySymName);
+}
+
+void Translation::add_string(const char *str)
+{
+ while( str && *str ) {
+ if( *str >= ' ' && *str <= '~' )
+ add_keysym((KeySym)(*str), PRESS_RELEASE);
+ ++str;
+ }
+}
+
+int Translation::start_line(const char *key)
+{
+ pressed_strokes = 0;
+ released_strokes = 0;
+ pressed = released = 0;
+ is_key = 0;
+ if( !strcasecmp("JL", key) ) {
+ pressed = &jog[0];
+ }
+ else if( !strcasecmp("JR", key) ) {
+ pressed = &jog[1];
+ }
+ else {
+ char c = 0; int k = -1, n = 0;
+ if( sscanf(key, "%c%d%n", &c, &k, &n) != 2 ) return 1;
+ switch( c ) {
+ case 'K': case 'k':
+ --k;
+ if( k >= K1 && k <= K15 ) {
+ pressed = &key_down[k];
+ released = &key_up[k];
+ is_key = 1;
+ }
+ break;
+ case 'S': case 's':
+ if( k >= S_7 && k <= S7 ) {
+ pressed = &shuttles[k-S_7];
+ }
+ break;
+ }
+ if( !pressed ) {
+ fprintf(stderr, "bad key name: [%s]%s\n", name, key);
+ return 1;
+ }
+ if( pressed->first ) {
+ fprintf(stderr, "dupl key name: [%s]%s\n", name, key);
+ return 1;
+ }
+ }
+ pressed_strokes = pressed;
+ released_strokes = released;
+ return 0;
+}
+
+void Translation::print_stroke(Stroke *s)
+{
+ if( !s ) return;
+ const char *cp = KeySymMapping::to_string(s->keysym);
+ if( !cp ) { printf("0x%x", (int)s->keysym); cp = "???"; }
+ printf("%s/%c ", cp, s->press ? 'D' : 'U');
+}
+
+void Translation::print_strokes(const char *name, const char *up_dn, Strokes *strokes)
+{
+ printf("%s[%s]: ", name, up_dn);
+ for( Stroke *s=strokes->first; s; s=s->next )
+ print_stroke(s);
+ printf("\n");
+}
+
+void Translation::finish_line()
+{
+//printf("finish_line()\n");
+ if( is_key ) {
+ add_release(0);
+ }
+ add_release(1);
+}
+
+void Translation::print_line(const char *key)
+{
+ if( is_key ) {
+ print_strokes(key, "D", pressed_strokes);
+ print_strokes(key, "U", released_strokes);
+ }
+ else {
+ print_strokes(key, "", pressed_strokes);
+ }
+ printf("\n");
+}
+
+// press values in Modifiers:
+// PRESS -> down
+// HOLD -> held
+// PRESS_RELEASE -> released, but to be re-pressed if necessary
+// RELEASE -> up
+
+void Modifiers::mark_as_down(KeySym sym, int hold)
+{
+ Modifiers &modifiers = *this;
+ for( int i=0; i<size(); ++i ) {
+ Stroke &s = modifiers[i];
+ if( s.keysym == sym ) {
+ s.press = hold ? HOLD : PRESS;
+ return;
+ }
+ }
+ Stroke &s = append();
+ s.keysym = sym;
+ s.press = hold ? HOLD : PRESS;
+}
+
+void Modifiers::mark_as_up(KeySym sym)
+{
+ Modifiers &modifiers = *this;
+ for( int i=0; i<size(); ++i ) {
+ Stroke &s = modifiers[i];
+ if( s.keysym == sym ) {
+ s.press = RELEASE;
+ return;
+ }
+ }
+}
+
+void Modifiers::release(int allkeys)
+{
+ Modifiers &modifiers = *this;
+ for( int i=0; i<size(); ++i ) {
+ Stroke &s = modifiers[i];
+ if( s.press == PRESS ) {
+ trans->append_stroke(s.keysym, 0);
+ s.press = PRESS_RELEASE;
+ }
+ else if( allkeys && s.press == HOLD ) {
+ trans->append_stroke(s.keysym, 0);
+ s.press = RELEASE;
+ }
+ }
+}
+
+void Modifiers::re_press()
+{
+ Modifiers &modifiers = *this;
+ for( int i=0; i<size(); ++i ) {
+ Stroke &s = modifiers[i];
+ if( s.press == PRESS_RELEASE ) {
+ trans->append_stroke(s.keysym, 1);
+ s.press = PRESS;
+ }
+ }
+}
+
+
+Shuttle::Shuttle(MWindow *mwindow)
+ : Thread(0, 0, 0)
+{
+ this->mwindow = mwindow;
+
+ fd = -1;
+ wdw = 0;
+ win = 0;
+ msk = 0;
+ rx = ry = 0;
+ wx = wy = 0;
+ jogvalue = 0xffff;
+ shuttlevalue = 0xffff;
+ last_shuttle.tv_sec = 0;
+ last_shuttle.tv_usec = 0;
+ need_synthetic_shuttle = 0;
+ dev_name = 0;
+
+ done = -1;
+ failed = 0;
+ first_time = 1;
+ tr = 0;
+ last_translation = 0;
+ last_focused = 0;
+
+ default_translation = new Translation(this);
+ config_path = 0;
+ config_mtime = 0;
+ ev.type = ~0;
+}
+
+Shuttle::~Shuttle()
+{
+ stop();
+ delete default_translation;
+ delete [] config_path;
+}
+
+int Shuttle::send_button(unsigned int button, int press)
+{
+ if( debug )
+ printf("btn: %u %d\n", button, press);
+ XButtonEvent *b = new XButtonEvent();
+ memset(b, 0, sizeof(*b));
+ b->type = press ? ButtonPress : ButtonRelease;
+ b->time = milliTimeClock();
+ b->display = wdw->top_level->display;
+ b->root = wdw->top_level->rootwin;
+ b->window = win;
+ b->x_root = rx;
+ b->y_root = ry;
+ b->x = wx;
+ b->y = wy;
+ b->state = msk;
+ b->button = button;
+ b->same_screen = 1;
+ wdw->top_level->put_event((XEvent *) b);
+ return 0;
+}
+int Shuttle::send_key(KeySym keysym, int press)
+{
+ KeyCode keycode = XKeysymToKeycode(wdw->top_level->display, keysym);
+ if( debug )
+ printf("key: %04x %d\n", (unsigned)keycode, press);
+ XKeyEvent *k = new XKeyEvent();
+ memset(k, 0, sizeof(*k));
+ k->type = press ? KeyPress : KeyRelease;
+ k->time = milliTimeClock();
+ k->display = wdw->top_level->display;
+ k->root = wdw->top_level->rootwin;
+ k->window = win;
+ k->x_root = rx;
+ k->y_root = ry;
+ k->x = wx;
+ k->y = wy;
+ k->state = msk;
+ k->keycode = keycode;
+ k->same_screen = 1;
+ wdw->top_level->put_event((XEvent *) k);
+ return 0;
+}
+
+int Shuttle::send_keysym(KeySym keysym, int press)
+{
+ return keysym >= XK_Button_1 && keysym <= XK_Scroll_Down ?
+ send_button((unsigned int)keysym - XK_Button_0, press) :
+ send_key(keysym, press ? True : False);
+}
+
+
+static Stroke *fetch_stroke(Translation *translation, int kjs, int index)
+{
+ Stroke *ret = 0;
+ if( translation ) {
+ switch( kjs ) {
+ default:
+ case KJS_KEY_DOWN: ret = translation->key_down[index].first; break;
+ case KJS_KEY_UP: ret = translation->key_up[index].first; break;
+ case KJS_JOG: ret = translation->jog[index].first; break;
+ case KJS_SHUTTLE: ret = translation->shuttles[index].first; break;
+ }
+ }
+ return ret;
+}
+
+void Shuttle::send_stroke_sequence(int kjs, int index)
+{
+ if( !wdw ) return;
+ Stroke *s = fetch_stroke(tr, kjs, index);
+ if( !s ) s = fetch_stroke(default_translation, kjs, index);
+ while( s ) {
+ send_keysym(s->keysym, s->press);
+ s = s->next;
+ }
+}
+
+void Shuttle::key(unsigned short code, unsigned int value)
+{
+ code -= EVENT_CODE_KEY1;
+ if( code >= NUM_KEYS ) {
+ fprintf(stderr, "key(%d, %d) out of range\n", code + EVENT_CODE_KEY1, value);
+ return;
+ }
+ send_stroke_sequence(value ? KJS_KEY_DOWN : KJS_KEY_UP, code);
+}
+
+
+void Shuttle:: shuttle(int value)
+{
+ if( value < S_7 || value > S7 ) {
+ fprintf(stderr, "shuttle(%d) out of range\n", value);
+ return;
+ }
+ gettimeofday(&last_shuttle, 0);
+ need_synthetic_shuttle = value != 0;
+ if( value != shuttlevalue ) {
+ shuttlevalue = value;
+ send_stroke_sequence(KJS_SHUTTLE, value+7);
+ }
+}
+
+// Due to a bug (?) in the way Linux HID handles the ShuttlePro, the
+// center position is not reported for the shuttle wheel. Instead,
+// a jog event is generated immediately when it returns. We check to
+// see if the time since the last shuttle was more than a few ms ago
+// and generate a shuttle of 0 if so.
+//
+// Note, this fails if jogvalue happens to be 0, as we don't see that
+// event either!
+void Shuttle::jog(unsigned int value)
+{
+ int direction;
+ struct timeval now;
+ struct timeval delta;
+
+ // We should generate a synthetic event for the shuttle going
+ // to the home position if we have not seen one recently
+ if( need_synthetic_shuttle ) {
+ gettimeofday( &now, 0 );
+ timersub( &now, &last_shuttle, &delta );
+
+ if( delta.tv_sec >= 1 || delta.tv_usec >= 5000 ) {
+ shuttle(0);
+ need_synthetic_shuttle = 0;
+ }
+ }
+
+ if( jogvalue != 0xffff ) {
+ value = value & 0xff;
+ direction = ((value - jogvalue) & 0x80) ? -1 : 1;
+ while( jogvalue != value ) {
+ // driver fails to send an event when jogvalue == 0
+ if( jogvalue != 0 ) {
+ send_stroke_sequence(KJS_JOG, direction > 0 ? 1 : 0);
+ }
+ jogvalue = (jogvalue + direction) & 0xff;
+ }
+ }
+ jogvalue = value;
+}
+
+void Shuttle::jogshuttle(unsigned short code, unsigned int value)
+{
+ switch( code ) {
+ case EVENT_CODE_JOG:
+ jog(value);
+ break;
+ case EVENT_CODE_SHUTTLE:
+ shuttle(value);
+ break;
+ default:
+ fprintf(stderr, "jogshuttle(%d, %d) invalid code\n", code, value);
+ break;
+ }
+}
+
+const char *Shuttle::probe()
+{
+ struct stat st;
+ static const char *shuttle_devs[] = {
+ "/dev/input/by-id/usb-Contour_Design_ShuttleXpress-event-if00",
+ "/dev/input/by-id/usb-Contour_Design_ShuttlePRO_v2-event-if00",
+ };
+ int ret = sizeof(shuttle_devs) / sizeof(shuttle_devs[0]);
+ while( --ret >= 0 && stat(shuttle_devs[ret] , &st) );
+ return ret >= 0 ? shuttle_devs[ret] : 0;
+}
+
+void Shuttle::start(const char *dev_name)
+{
+ this->dev_name = dev_name;
+ first_time = 1;
+ done = 0;
+ Thread::start();
+}
+
+void Shuttle::stop()
+{
+ if( running() && !done ) {
+ done = 1;
+ cancel();
+ join();
+ }
+}
+
+
+int Shuttle::get_focused_window_translation()
+{
+ MWindowGUI *gui = mwindow->gui;
+ Display *dpy = gui->display;
+ Window focus = 0;
+ int ret = 0, revert = 0;
+ char win_title[BCTEXTLEN];
+ gui->lock_window("Shuttle::get_focused_window_translation");
+ XGetInputFocus(dpy, &focus, &revert);
+ if( last_focused != focus ) {
+ last_focused = focus;
+ Atom prop = XInternAtom(dpy, "WM_NAME", False);
+ Atom type; int form;
+ unsigned long remain, len;
+ unsigned char *list;
+ if( XGetWindowProperty(dpy, focus, prop, 0, sizeof(win_title)-1, False,
+ AnyPropertyType, &type, &form, &len, &remain, &list) == Success ) {
+ len = len*(form/8) - remain;
+ memcpy(win_title, list, len);
+ win_title[len] = 0;
+ XFree(list);
+ if( debug )
+ printf("new focus: %08x\n", (unsigned)focus);
+ }
+ else {
+ last_focused = 0;
+ fprintf(stderr, "XGetWindowProperty failed for window 0x%x\n",
+ (int)focus);
+ ret = 1;
+ }
+ }
+ gui->unlock_window();
+ if( ret ) return -1;
+
+ this->wdw = 0; this->win = 0;
+ this->wx = 0; this->wy = 0;
+ this->rx = 0; this->ry = 0;
+ this->msk = 0;
+ BC_WindowBase *wdw = 0;
+ int cin = -1;
+ if( (wdw=mwindow->gui) && wdw->win == focus )
+ cin = FOCUS_MWINDOW;
+ else if( (wdw=mwindow->awindow->gui) && wdw->win == focus )
+ cin = FOCUS_AWINDOW;
+ else if( (wdw=mwindow->cwindow->gui) && wdw->win == focus )
+ cin = FOCUS_CWINDOW;
+ else if( (wdw=mwindow->gui->mainmenu->load_file->thread->window) &&
+ wdw->win == focus )
+ cin = FOCUS_LOAD;
+ else {
+ int i = mwindow->vwindows.size();
+ while( --i >= 0 ) {
+ VWindow *vwdw = mwindow->vwindows[i];
+ if( !vwdw->is_running() ) continue;
+ if( (wdw=vwdw->gui) && wdw->win == focus ) {
+ cin = FOCUS_VIEWER; break;
+ }
+ }
+ }
+ if( cin < 0 ) return -1;
+ Window root = 0, child = 0;
+ int root_x = 0, root_y = 0, win_x = 0, win_y = 0, x = 0, y = 0;
+ unsigned int mask = 0, width = 0, height = 0, border_width = 0, depth = 0;
+ wdw->lock_window("Shuttle::get_focused_window_translation 1");
+ if( XQueryPointer(wdw->display, focus, &root, &child,
+ &root_x, &root_y, &win_x, &win_y, &mask) ) {
+ if( !child ) {
+ if( wdw->active_menubar )
+ child = wdw->active_menubar->win;
+ else if( wdw->active_popup_menu )
+ child = wdw->active_popup_menu->win;
+ else if( wdw->active_subwindow )
+ child = wdw->active_subwindow->win;
+ }
+ if( child )
+ XGetGeometry(wdw->display, child, &root, &x, &y,
+ &width, &height, &border_width, &depth);
+ }
+ wdw->unlock_window();
+ if( !child || !wdw->match_window(child) ) return -1;
+// success
+ this->wdw = wdw;
+ this->win = child;
+ this->msk = mask;
+ this->rx = root_x;
+ this->ry = root_y;
+ this->wx = win_x - x;
+ this->wy = win_y - y;
+ for( tr=translations.first; tr; tr=tr->next ) {
+ if( tr->is_default ) return 1;
+ for( int i=0; i<tr->names.size(); ++i ) {
+ TransName *name = tr->names[i];
+ if( name->cin != cin ) continue;
+ if( regexec(&name->regex, win_title, 0, NULL, 0) )
+ return 1;
+ }
+ }
+ tr = default_translation;
+ return 0;
+}
+
+void Shuttle::handle_event()
+{
+ if( read_config_file() > 0 ) {
+ done = 1;
+ return;
+ }
+ if( get_focused_window_translation() < 0 )
+ return;
+ if( last_translation != tr ) {
+ last_translation = tr;
+ if( debug )
+ printf("new translation: %s\n", tr->name);
+ }
+//fprintf(stderr, "event: (%d, %d, 0x%x)\n", ev.type, ev.code, ev.value);
+ switch( ev.type ) {
+ case EVENT_TYPE_DONE:
+ case EVENT_TYPE_ACTIVE_KEY:
+ break;
+ case EVENT_TYPE_KEY:
+ key(ev.code, ev.value);
+ break;
+ case EVENT_TYPE_JOGSHUTTLE:
+ jogshuttle(ev.code, ev.value);
+ break;
+ default:
+ fprintf(stderr, "handle_event() invalid type code\n");
+ break;
+ }
+}
+
+void Shuttle::run()
+{
+ for( enable_cancel(); !done; sleep(1) ) {
+ fd = open(dev_name, O_RDONLY);
+ if( fd < 0 ) {
+ perror(dev_name);
+ if( first_time ) break;
+ continue;
+ }
+ if( !ioctl(fd, EVIOCGRAB, 1) ) { // exclusive access
+ first_time = 0;
+ while( !done ) {
+ int ret = read(fd, &ev, sizeof(ev));
+ if( done ) break;
+ if( ret != sizeof(ev) ) {
+ if( ret < 0 ) { perror("read event"); break; }
+ fprintf(stderr, "bad read: %d\n", ret);
+ break;
+ }
+ handle_event();
+ }
+ }
+ else
+ perror( "evgrab ioctl" );
+ close(fd);
+ }
+ done = 2;
+}
+
+int Shuttle::read_config_file()
+{
+ if( !config_path ) {
+ const char *env;
+ config_path = (env=getenv("SHUTTLE_CONFIG_FILE")) != 0 ? cstrdup(env) :
+ (env=getenv("HOME")) != 0 ? cstrcat(2, env, "/.shuttlerc") : 0;
+ if( !config_path ) { fprintf(stderr, "no config file\n"); return 1; }
+ }
+ struct stat st;
+ if( stat(config_path, &st) ) {
+ perror(config_path);
+ char shuttlerc[BCTEXTLEN];
+ snprintf(shuttlerc, sizeof(shuttlerc), "%s/shuttlerc",
+ File::get_cindat_path());
+ if( stat(shuttlerc, &st) ) {
+ perror(shuttlerc);
+ return 1;
+ }
+ delete [] config_path;
+ config_path = cstrdup(shuttlerc);
+ }
+ if( config_mtime > 0 &&
+ config_mtime == st.st_mtime ) return 0;
+ FILE *fp = fopen(config_path, "r");
+ if( !fp ) {
+ perror(config_path);
+ return 1;
+ }
+
+ config_mtime = st.st_mtime;
+ translations.clear();
+ debug = 0;
+#define ws(ch) (ch==' ' || ch=='\t')
+ char line[BCTEXTLEN], *cp;
+ Translation *trans = 0;
+ int no = 0;
+ int ret = fgets(cp=line,sizeof(line),fp) ? 0 : -1;
+ if( !ret ) ++no;
+// lines
+ while( !ret ) {
+// translation names
+ while( !ret && *cp == '[' ) {
+ char *name = ++cp;
+ while( *cp && *cp != ']' ) ++cp;
+ *cp++ = 0;
+ if( !name || !*name ) { ret = 1; break; }
+ int cin = -1;
+ if( !strcasecmp("default", name) )
+ cin = FOCUS_DEFAULT;
+ else if( !strcasecmp("cinelerra", name) )
+ cin = FOCUS_MWINDOW;
+ else if( !strcasecmp("resources", name) )
+ cin = FOCUS_AWINDOW;
+ else if( !strcasecmp("composer", name) )
+ cin = FOCUS_CWINDOW;
+ else if( !strcasecmp("viewer", name) )
+ cin = FOCUS_VIEWER;
+ else if( !strcasecmp("load", name) )
+ cin = FOCUS_LOAD;
+ else {
+ fprintf(stderr, "unknown focus target window: %s\n",
+ name);
+ ret = 1; break;
+ }
+ if( !trans ) {
+ if( cin == FOCUS_DEFAULT ) {
+ trans = default_translation;
+ trans->clear();
+ }
+ else {
+ trans = new Translation(this, name);
+ }
+ }
+ while( ws(*cp) ) ++cp;
+// regex in TransName constructor
+ trans->names.append(new TransName(cin, name, cp));
+ if( trans->names.last()->err ) { ret = 1; break; }
+ ret = fgets(cp=line,sizeof(line),fp) ? 0 : 1;
+ if( ret ) {
+ fprintf(stderr, "hit eof, no translation def for: %s\n",
+ trans->names.last()->name);
+ ret = 1; break;
+ }
+ ++no;
+ }
+ if( ret ) break;
+ if( debug && trans ) {
+ printf("------------------------\n");
+ TransNames &names = trans->names;
+ for( int i=0; i<names.size(); ++i ) {
+ TransName *tp = names[i];
+ printf("[%s] # %d\n\n", tp->name, tp->cin);
+ }
+ }
+// rules lines: "tok <stroke list>\n"
+ while( !ret && *cp != '[' ) {
+ const char *key = 0, *tok = 0;
+ while( ws(*cp) ) ++cp;
+ if( !*cp || *cp == '\n' || *cp == '#' ) goto skip;
+ tok = cp;
+ while( *cp && !ws(*cp) && *cp != '\n' ) ++cp;
+ *cp++ = 0;
+ if( !strcmp(tok, "DEBUG") ) {
+ debug = 1; goto skip;
+ }
+ key = tok;
+ if( !trans ) {
+ fprintf(stderr, "no translation section defining key: %s\n", key);
+ ret = 1; break;
+ }
+
+ ret = trans->start_line(key);
+ while( !ret && *cp && *cp != '\n' ) {
+ while( ws(*cp) ) ++cp;
+ if( !*cp || *cp == '#' || *cp == '\n' ) break;
+ if( *cp == '"' ) {
+ tok = ++cp;
+ while( *cp && *cp != '"' && *cp != '\n' ) {
+ if( *cp != '\\' ) { ++cp; continue; }
+ for( char *bp=cp; *bp; ++bp ) bp[0] = bp[1];
+ }
+ *cp++ = 0;
+ trans->add_string(tok);
+ continue;
+ }
+ tok = cp;
+ while( *cp && !ws(*cp) && *cp!='/' && *cp != '\n' ) ++cp;
+ int dhu = PRESS_RELEASE;
+ if( *cp == '/' ) {
+ *cp++ = 0;
+ switch( *cp ) {
+ case 'D': dhu = PRESS; break;
+ case 'H': dhu = HOLD; break;
+ case 'U': dhu = RELEASE; break;
+ default:
+ fprintf(stderr, "invalid up/down modifier [%s]%s: '%c'\n",
+ trans->name, tok, *cp);
+ ret = 1; break;
+ }
+ ++cp;
+ }
+ else
+ *cp++ = 0;
+ trans->add_keystroke(tok, dhu);
+ }
+ if( ret ) break;
+ trans->finish_line();
+ if( debug )
+ trans->print_line(key);
+ skip: ret = fgets(cp=line,sizeof(line),fp) ? 0 : -1;
+ if( !ret ) ++no;
+ }
+ if( trans ) {
+ if( trans != default_translation )
+ translations.append(trans);
+ trans = 0;
+ }
+ }
+ if( ret > 0 )
+ fprintf(stderr, "shuttle config err file: %s, line:%d\n",
+ config_path, no);
+
+ fclose(fp);
+ return ret;
+}
+#endif
--- /dev/null
+#ifndef __SHUTTLE_H__
+#define __SHUTTLE_H__
+
+#include "arraylist.h"
+#include "bcwindowbase.inc"
+#include "linklist.h"
+#include "shuttle.inc"
+#include "thread.h"
+
+#include "mwindow.h"
+#include "mwindowgui.h"
+#include "awindow.h"
+#include "awindowgui.h"
+#include "cwindow.h"
+#include "cwindowgui.h"
+#include "vwindow.h"
+#include "vwindowgui.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <linux/input.h>
+#include <linux/input-event-codes.h>
+#include <sys/types.h>
+#include <regex.h>
+
+
+// Copyright 2013 Eric Messick (FixedImagePhoto.com/Contact)
+// reworked 2019 for cinelerra-gg by William Morrow (aka goodguy)
+
+// delay in ms before processing each XTest event
+// CurrentTime means no delay
+#define DELAY CurrentTime
+
+// protocol for events from the shuttlepro HUD device
+//
+// ev.type values:
+#define EVENT_TYPE_DONE 0
+#define EVENT_TYPE_KEY 1
+#define EVENT_TYPE_JOGSHUTTLE 2
+#define EVENT_TYPE_ACTIVE_KEY 4
+
+// ev.code when ev.type == KEY
+#define EVENT_CODE_KEY1 256
+// KEY2 257, etc...
+
+enum { K1=0,K2,K3,K4,K5,K6,K7,K8,K9,K10,K11,K12,K13,K14,K15, };
+enum { S_7=-7,S_6,S_5,S_4,S_3,S_2,S_1,S0,S1,S2,S3,S4,S5,S6,S7, };
+enum { JL=0,JR };
+
+// ev.value when ev.type == KEY
+// 1 -> PRESS; 0 -> RELEASE
+
+// ev.code when ev.type == JOGSHUTTLE
+#define EVENT_CODE_JOG 7
+#define EVENT_CODE_SHUTTLE 8
+
+// ev.value when ev.code == JOG
+// 8 bit value changing by one for each jog step
+
+// ev.value when ev.code == SHUTTLE
+// -7 .. 7 encoding shuttle position
+
+// we define these as extra KeySyms to represent mouse events
+#define XK_Button_0 0x2000000 // just an offset, not a real button
+#define XK_Button_1 0x2000001
+#define XK_Button_2 0x2000002
+#define XK_Button_3 0x2000003
+#define XK_Scroll_Up 0x2000004
+#define XK_Scroll_Down 0x2000005
+
+#define PRESS 1
+#define RELEASE 2
+#define PRESS_RELEASE 3
+#define HOLD 4
+
+#define NUM_KEYS 15
+#define NUM_SHUTTLES 15
+#define NUM_JOGS 2
+
+#define KJS_KEY_DOWN 1
+#define KJS_KEY_UP 2
+#define KJS_SHUTTLE 3
+#define KJS_JOG 4
+
+// cinelerra window input targets
+#define FOCUS_DEFAULT 0
+#define FOCUS_MWINDOW 1
+#define FOCUS_AWINDOW 2
+#define FOCUS_CWINDOW 3
+#define FOCUS_VIEWER 4
+#define FOCUS_LOAD 5
+
+class KeySymMapping {
+public:
+ static KeySym to_keysym(const char *str);
+ static const char *to_string(KeySym ks);
+ static KeySymMapping key_sym_mapping[];
+ const char *str;
+ KeySym sym;
+};
+
+class Stroke : public ListItem<Stroke>
+{
+public:
+ KeySym keysym;
+ int press; // 1:press, 0:release
+};
+
+class Strokes : public List<Stroke>
+{
+public:
+ Strokes() {}
+ ~Strokes() {}
+ void clear() { while( last ) delete last; }
+ void add_stroke(KeySym keysym, int press=1) {
+ Stroke *s = append();
+ s->keysym = keysym; s->press = press;
+ }
+};
+
+class Modifiers : public ArrayList<Stroke>
+{
+ Translation *trans;
+public:
+ Modifiers(Translation *trans) { this->trans = trans; }
+ ~Modifiers() {}
+
+ void mark_as_down(KeySym sym, int hold);
+ void mark_as_up(KeySym sym);
+ void release(int allkeys);
+ void re_press();
+};
+
+class TransName
+{
+public:
+ int cin, err;
+ const char *name;
+ regex_t regex;
+
+ TransName(int cin, const char *nm, const char *re);
+ ~TransName();
+};
+
+class TransNames : public ArrayList<TransName *>
+{
+public:
+ TransNames() {}
+ ~TransNames() { remove_all_objects(); }
+};
+
+class Translation : public ListItem<Translation>
+{
+public:
+ Translation(Shuttle *shuttle);
+ Translation(Shuttle *shuttle, const char *name);
+ ~Translation();
+ void init(int def);
+ void clear();
+ void append_stroke(KeySym sym, int press);
+ void add_release(int all_keys);
+ void add_keystroke(const char *keySymName, int press_release);
+ void add_keysym(KeySym sym, int press_release);
+ void add_string(const char *str);
+ int start_line(const char *key);
+ void print_strokes(const char *name, const char *up_dn, Strokes *strokes);
+ void print_stroke(Stroke *s);
+ void finish_line();
+ void print_line(const char *key);
+
+ Shuttle *shuttle;
+ TransNames names;
+ const char *name;
+ int is_default, is_key;
+ int first_release_stroke;
+ Strokes *pressed, *released;
+ Strokes *pressed_strokes, *released_strokes;
+ KeySym keysym_down;
+
+ Strokes key_down[NUM_KEYS];
+ Strokes key_up[NUM_KEYS];
+ Strokes shuttles[NUM_SHUTTLES];
+ Strokes jog[NUM_JOGS];
+ Modifiers modifiers;
+};
+
+class Translations : public List<Translation>
+{
+public:
+ Translations() {}
+ ~Translations() {}
+ void clear() { while( last ) delete last; }
+};
+
+class Shuttle : public Thread
+{
+ int fd;
+ unsigned short jogvalue;
+ int shuttlevalue;
+ struct timeval last_shuttle;
+ int need_synthetic_shuttle;
+ const char *dev_name;
+ Translation *default_translation;
+ Translations translations;
+public:
+ Shuttle(MWindow *mwindow);
+ ~Shuttle();
+
+ int send_button(unsigned int button, int press);
+ int send_key(KeySym keysym, int press);
+ int send_keysym(KeySym keysym, int press);
+ void send_stroke_sequence(int kjs, int index);
+ void key(unsigned short code, unsigned int value);
+ void shuttle(int value);
+ void jog(unsigned int value);
+ void jogshuttle(unsigned short code, unsigned int value);
+ void start(const char *dev_name);
+ void stop();
+ void handle_event();
+ int get_focused_window_translation();
+ static const char *probe();
+ void run();
+ int read_config_file();
+
+ int done;
+ int failed;
+ int first_time;
+ int debug;
+
+ MWindow *mwindow;
+ Translation *tr, *last_translation;
+ BC_WindowBase *wdw;
+ Window win;
+ unsigned msk;
+ int rx, ry, wx, wy;
+ Window last_focused;
+
+ const char *config_path;
+ time_t config_mtime;
+ input_event ev;
+};
+
+#endif
projects / goodguy / cinelerra.git / commitdiff
