cinelerra-5.1/plugins/tracer/tracerwindow.C

   1 /*
   2  * CINELERRA
   3  * Copyright (C) 2014 Adam Williams <broadcast at earthling dot net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "automation.h"
  22 #include "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "tracer.h"
  25 #include "tracerwindow.h"
  26 #include "cstrdup.h"
  27 #include "cwindow.h"
  28 #include "cwindowgui.h"
  29 #include "edl.h"
  30 #include "edlsession.h"
  31 #include "language.h"
  32 #include "mainerror.h"
  33 #include "mwindow.h"
  34 #include "plugin.h"
  35 #include "pluginserver.h"
  36 #include "theme.h"
  37 #include "track.h"
  38
  39 #define COLOR_W 50
  40 #define COLOR_H 30
  41
  42 TracerNum::TracerNum(TracerWindow *gui, int x, int y, float output)
  43  : BC_TumbleTextBox(gui, output, -32767.0f, 32767.0f, x, y, 120)
  44 {
  45         this->gui = gui;
  46         set_increment(1);
  47         set_precision(1);
  48 }
  49
  50 TracerNum::~TracerNum()
  51 {
  52 }
  53
  54 int TracerPointX::handle_event()
  55 {
  56         if( !TracerNum::handle_event() ) return 0;
  57         TracerPointList *point_list = gui->point_list;
  58         int hot_point = point_list->get_selection_number(0, 0);
  59         TracerPoints &points = gui->plugin->config.points;
  60         int sz = points.size();
  61         if( hot_point >= 0 && hot_point < sz ) {
  62                 float v = atof(get_text());
  63                 points[hot_point]->x = v;
  64                 point_list->set_point(hot_point, PT_X, v);
  65         }
  66         point_list->update_list(hot_point);
  67         gui->send_configure_change();
  68         return 1;
  69 }
  70 int TracerPointY::handle_event()
  71 {
  72         if( !TracerNum::handle_event() ) return 0;
  73         TracerPointList *point_list = gui->point_list;
  74         int hot_point = point_list->get_selection_number(0, 0);
  75         TracerPoints &points = gui->plugin->config.points;
  76         int sz = points.size();
  77         if( hot_point >= 0 && hot_point < sz ) {
  78                 float v = atof(get_text());
  79                 points[hot_point]->y = v;
  80                 point_list->set_point(hot_point, PT_Y, v);
  81         }
  82         point_list->update_list(hot_point);
  83         gui->send_configure_change();
  84         return 1;
  85 }
  86
  87 TracerWindow::TracerWindow(Tracer *plugin)
  88  : PluginClientWindow(plugin, 400, 420, 400, 420, 0)
  89 {
  90         this->plugin = plugin;
  91         this->title_x = 0;    this->point_x = 0;
  92         this->title_y = 0;    this->point_y = 0;
  93         this->new_point = 0;  this->del_point = 0;
  94         this->point_up = 0;   this->point_dn = 0;
  95         this->drag = 0;       this->draw = 0;
  96         this->button_no = 0;  this->invert = 0;
  97         this->title_r = 0;    this->title_s = 0;
  98         this->feather = 0;    this->radius = 0;
  99         this->last_x = 0;     this->last_y = 0;
 100         this->point_list = 0; this->pending_config = 0;
 101 }
 102
 103 TracerWindow::~TracerWindow()
 104 {
 105         delete point_x;
 106         delete point_y;
 107 }
 108
 109 void TracerWindow::create_objects()
 110 {
 111         int x = 10, y = 10;
 112         int margin = plugin->get_theme()->widget_border;
 113         int hot_point = plugin->config.selected;
 114         add_subwindow(title_x = new BC_Title(x, y, _("X:")));
 115         int x1 = x + title_x->get_w() + margin;
 116         TracerPoint *pt = hot_point >= 0 ? plugin->config.points[hot_point] : 0;
 117         point_x = new TracerPointX(this, x1, y, !pt ? 0 : pt->x);
 118         point_x->create_objects();
 119         x1 += point_x->get_w() + margin;
 120         add_subwindow(new_point = new TracerNewPoint(this, plugin, x1, y));
 121         x1 += new_point->get_w() + margin;
 122         add_subwindow(point_up = new TracerPointUp(this, x1, y));
 123         y += point_x->get_h() + margin;
 124         add_subwindow(title_y = new BC_Title(x, y, _("Y:")));
 125         x1 = x + title_y->get_w() + margin;
 126         point_y = new TracerPointY(this, x1, y, !pt ? 0 : pt->y);
 127         point_y->create_objects();
 128         x1 += point_y->get_w() + margin;
 129         add_subwindow(del_point = new TracerDelPoint(this, plugin, x1, y));
 130         x1 += del_point->get_w() + margin;
 131         add_subwindow(point_dn = new TracerPointDn(this, x1, y));
 132         y += point_y->get_h() + margin + 10;
 133
 134         add_subwindow(drag = new TracerDrag(this, x, y));
 135         if( plugin->config.drag ) {
 136                 if( !grab(plugin->server->mwindow->cwindow->gui) )
 137                         eprintf("drag enabled, but compositor already grabbed\n");
 138         }
 139         x1 = x + drag->get_w() + margin + 20;
 140         add_subwindow(draw = new TracerDraw(this, x1, y));
 141         x1 += draw->get_w() + margin + 20;
 142         add_subwindow(fill = new TracerFill(this, x1, y));
 143         x1 += drag->get_w() + margin + 20;
 144         int y1 = y + 3;
 145         add_subwindow(reset = new TracerReset(this, plugin, x1, y1));
 146         y1 += reset->get_h() + margin;
 147         add_subwindow(invert = new TracerInvert(this, plugin, x1, y1));
 148         y += drag->get_h() + margin + 15;
 149
 150         x1 = x + 80;
 151         add_subwindow(title_r = new BC_Title(x, y, _("Feather:")));
 152         add_subwindow(feather = new TracerFeather(this, x1, y, 150));
 153         y += feather->get_h() + margin;
 154         add_subwindow(title_s = new BC_Title(x, y, _("Radius:")));
 155         add_subwindow(radius = new TracerRadius(this, x1, y, 150));
 156         y += radius->get_h() + margin + 5;
 157
 158         add_subwindow(point_list = new TracerPointList(this, plugin, x, y));
 159         point_list->update(plugin->config.selected);
 160         y += point_list->get_h() + 10;
 161
 162         add_subwindow(new BC_Title(x, y, _(
 163                 "Btn1: select/drag point\n"
 164                 "Btn2: drag all points\n"
 165                 "Btn3: add point on nearest line\n"
 166                 "Btn3: shift: append point to end\n"
 167                 "Wheel: rotate, centered on cursor\n"
 168                 "Wheel: shift: scale, centered on cursor\n")));
 169         show_window(1);
 170 }
 171
 172 void TracerWindow::send_configure_change()
 173 {
 174         pending_config = 0;
 175         plugin->send_configure_change();
 176 }
 177
 178 int TracerWindow::grab_event(XEvent *event)
 179 {
 180         int ret = do_grab_event(event);
 181         if( pending_config && !grab_event_count() )
 182                 send_configure_change();
 183         return ret;
 184 }
 185
 186 int TracerWindow::do_grab_event(XEvent *event)
 187 {
 188         switch( event->type ) {
 189         case ButtonPress: break;
 190         case ButtonRelease: break;
 191         case MotionNotify: break;
 192         default:
 193                 return 0;
 194         }
 195
 196         MWindow *mwindow = plugin->server->mwindow;
 197         CWindowGUI *cwindow_gui = mwindow->cwindow->gui;
 198         CWindowCanvas *canvas = cwindow_gui->canvas;
 199         int cx, cy;  cwindow_gui->get_relative_cursor(cx, cy);
 200         cx -= canvas->view_x;
 201         cy -= canvas->view_y;
 202
 203         if( !button_no ) {
 204                 if( cx < 0 || cx >= canvas->view_w ||
 205                     cy < 0 || cy >= canvas->view_h )
 206                         return 0;
 207         }
 208
 209         switch( event->type ) {
 210         case ButtonPress:
 211                 if( button_no ) return 0;
 212                 button_no = event->xbutton.button;
 213                 break;
 214         case ButtonRelease:
 215                 if( !button_no ) return 0;
 216                 button_no = 0;
 217                 return 1;
 218         case MotionNotify:
 219                 if( !button_no ) return 0;
 220                 break;
 221         default:
 222                 return 0;
 223         }
 224
 225         float cursor_x = cx, cursor_y = cy;
 226         canvas->canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
 227         int64_t position = plugin->get_source_position();
 228         float projector_x, projector_y, projector_z;
 229         Track *track = plugin->server->plugin->track;
 230         int track_w = track->track_w, track_h = track->track_h;
 231         track->automation->get_projector(
 232                 &projector_x, &projector_y, &projector_z,
 233                 position, PLAY_FORWARD);
 234         projector_x += mwindow->edl->session->output_w / 2;
 235         projector_y += mwindow->edl->session->output_h / 2;
 236         float output_x = (cursor_x - projector_x) / projector_z + track_w / 2;
 237         float output_y = (cursor_y - projector_y) / projector_z + track_h / 2;
 238         point_x->update((int64_t)(output_x));
 239         point_y->update((int64_t)(output_y));
 240         TracerPoints &points = plugin->config.points;
 241
 242         switch( event->type ) {
 243         case ButtonPress: {
 244                 float s = 1.02;
 245                 float th = M_PI/360.f; // .5 deg per wheel_btn
 246                 int shift_down = event->xbutton.state & ShiftMask;
 247                 switch( button_no ) {
 248                 case WHEEL_DOWN:
 249                         s = 0.98;
 250                         th = -th;  // fall thru
 251                 case WHEEL_UP: {
 252                         // shift_down scale, !shift_down rotate
 253                         float st = sin(th), ct = cos(th);
 254                         int sz = points.size();
 255                         for( int i=0; i<sz; ++i ) {
 256                                 TracerPoint *pt = points[i];
 257                                 float px = pt->x - output_x, py = pt->y - output_y;
 258                                 float nx = shift_down ? px*s : px*ct + py*st;
 259                                 float ny = shift_down ? py*s : py*ct - px*st;
 260                                 point_list->set_point(i, PT_X, pt->x = nx + output_x);
 261                                 point_list->set_point(i, PT_Y, pt->y = ny + output_y);
 262                         }
 263                         point_list->update(-1);
 264                         button_no = 0;
 265                         break; }
 266                 case RIGHT_BUTTON: {
 267                         // shift_down adds to end
 268                         int sz = !shift_down ? points.size() : 0;
 269                         int k = !shift_down ? -1 : points.size()-1;
 270                         float mx = FLT_MAX;
 271                         for( int i=0; i<sz; ++i ) {
 272                                 // pt on line pt[i+0]..pt[i+1] nearest cx,cy
 273                                 TracerPoint *pt0 = points[i+0];
 274                                 TracerPoint *pt1 = i+1<sz ? points[i+1] : points[0];
 275                                 float x0 = pt0->x, y0 = pt0->y;
 276                                 float x1 = pt1->x, y1 = pt1->y;
 277                                 float dx = x1-x0, dy = y1-y0;
 278                                 float rr = dx*dx + dy*dy;
 279                                 if( !rr ) continue;
 280                                 float u = ((x1-output_x)*dx + (y1-output_y)*dy) / rr;
 281                                 if( u < 0 || u > 1 ) continue;  // past endpts
 282                                 float x = x0*u + x1*(1-u);
 283                                 float y = y0*u + y1*(1-u);
 284                                 dx = output_x-x;  dy = output_y-y;
 285                                 float dd = dx*dx + dy*dy;       // d**2 closest approach
 286                                 if( mx > dd ) { mx = dd;  k = i; }
 287                         }
 288                         TracerPoint *pt = points[sz=plugin->new_point()];
 289                         int hot_point = k+1;
 290                         for( int i=sz; i>hot_point; --i ) points[i] = points[i-1];
 291                         points[hot_point] = pt;
 292                         pt->x = output_x;  pt->y = output_y;
 293                         point_list->update(hot_point);
 294                         break; }
 295                 case LEFT_BUTTON: {
 296                         int hot_point = -1, sz = points.size();
 297                         if( sz > 0 ) {
 298                                 TracerPoint *pt = points[hot_point=0];
 299                                 double dist = DISTANCE(output_x,output_y, pt->x,pt->y);
 300                                 for( int i=1; i<sz; ++i ) {
 301                                         pt = points[i];
 302                                         double d = DISTANCE(output_x,output_y, pt->x,pt->y);
 303                                         if( d >= dist ) continue;
 304                                         dist = d;  hot_point = i;
 305                                 }
 306                                 pt = points[hot_point];
 307                                 float px = (pt->x - track_w / 2) * projector_z + projector_x;
 308                                 float py = (pt->y - track_h / 2) * projector_z + projector_y;
 309                                 dist = DISTANCE(px, py, cursor_x,cursor_y);
 310                                 if( dist >= HANDLE_W ) hot_point = -1;
 311                         }
 312                         if( hot_point >= 0 && sz > 0 ) {
 313                                 TracerPoint *pt = points[hot_point];
 314                                 point_list->set_point(hot_point, PT_X, pt->x = output_x);
 315                                 point_list->set_point(hot_point, PT_Y, pt->y = output_y);
 316                                 point_list->update_list(hot_point);
 317                         }
 318                         break; }
 319                 }
 320                 break; }
 321         case MotionNotify: {
 322                 switch( button_no ) {
 323                 case LEFT_BUTTON: {
 324                         int hot_point = point_list->get_selection_number(0, 0);
 325                         if( hot_point >= 0 && hot_point < points.size() ) {
 326                                 TracerPoint *pt = points[hot_point];
 327                                 if( pt->x == output_x && pt->y == output_y ) break;
 328                                 point_list->set_point(hot_point, PT_X, pt->x = output_x);
 329                                 point_list->set_point(hot_point, PT_Y, pt->y = output_y);
 330                                 point_x->update(pt->x);
 331                                 point_y->update(pt->y);
 332                                 point_list->update_list(hot_point);
 333                         }
 334                         break; }
 335                 case MIDDLE_BUTTON: {
 336                         float dx = output_x - last_x, dy = output_y - last_y;
 337                         int sz = points.size();
 338                         for( int i=0; i<sz; ++i ) {
 339                                 TracerPoint *pt = points[i];
 340                                 point_list->set_point(i, PT_X, pt->x += dx);
 341                                 point_list->set_point(i, PT_Y, pt->y += dy);
 342                         }
 343                         int hot_point = point_list->get_selection_number(0, 0);
 344                         if( hot_point >= 0 && hot_point < sz ) {
 345                                 TracerPoint *pt = points[hot_point];
 346                                 point_x->update(pt->x);
 347                                 point_y->update(pt->y);
 348                                 point_list->update_list(hot_point);
 349                         }
 350                         break; }
 351                 }
 352                 break; }
 353         }
 354
 355         last_x = output_x;  last_y = output_y;
 356         pending_config = 1;
 357         return 1;
 358 }
 359
 360 void TracerWindow::done_event(int result)
 361 {
 362         ungrab(client->server->mwindow->cwindow->gui);
 363 }
 364
 365 TracerPointList::TracerPointList(TracerWindow *gui, Tracer *plugin, int x, int y)
 366  : BC_ListBox(x, y, 360, 130, LISTBOX_TEXT)
 367 {
 368         this->gui = gui;
 369         this->plugin = plugin;
 370         titles[PT_X] = _("X");    widths[PT_X] = 90;
 371         titles[PT_Y] = _("Y");    widths[PT_Y] = 90;
 372 }
 373 TracerPointList::~TracerPointList()
 374 {
 375         clear();
 376 }
 377 void TracerPointList::clear()
 378 {
 379         for( int i=PT_SZ; --i>=0; )
 380                 cols[i].remove_all_objects();
 381 }
 382
 383 int TracerPointList::column_resize_event()
 384 {
 385         for( int i=PT_SZ; --i>=0; )
 386                 widths[i] = get_column_width(i);
 387         return 1;
 388 }
 389
 390 int TracerPointList::handle_event()
 391 {
 392         int hot_point = get_selection_number(0, 0);
 393         const char *x_text = "", *y_text = "";
 394         TracerPoints &points = plugin->config.points;
 395
 396         int sz = points.size();
 397         if( hot_point >= 0 && sz > 0 ) {
 398                 x_text = gui->point_list->cols[PT_X].get(hot_point)->get_text();
 399                 y_text = gui->point_list->cols[PT_Y].get(hot_point)->get_text();
 400         }
 401         gui->point_x->update(x_text);
 402         gui->point_y->update(y_text);
 403         update(hot_point);
 404         gui->send_configure_change();
 405         return 1;
 406 }
 407
 408 int TracerPointList::selection_changed()
 409 {
 410         handle_event();
 411         return 1;
 412 }
 413
 414 void TracerPointList::new_point(const char *xp, const char *yp)
 415 {
 416         cols[PT_X].append(new BC_ListBoxItem(xp));
 417         cols[PT_Y].append(new BC_ListBoxItem(yp));
 418 }
 419
 420 void TracerPointList::del_point(int i)
 421 {
 422         for( int sz1=cols[0].size()-1, c=PT_SZ; --c>=0; )
 423                 cols[c].remove_object_number(sz1-i);
 424 }
 425
 426 void TracerPointList::set_point(int i, int c, float v)
 427 {
 428         char s[BCSTRLEN]; sprintf(s,"%0.4f",v);
 429         set_point(i,c,s);
 430 }
 431 void TracerPointList::set_point(int i, int c, const char *cp)
 432 {
 433         cols[c].get(i)->set_text(cp);
 434 }
 435
 436 int TracerPointList::set_selected(int k)
 437 {
 438         TracerPoints &points = plugin->config.points;
 439         int sz = points.size();
 440         if( !sz ) return -1;
 441         bclamp(k, 0, sz-1);
 442         update_selection(&cols[0], k);
 443         return k;
 444 }
 445 void TracerPointList::update_list(int k)
 446 {
 447         int sz = plugin->config.points.size();
 448         if( k < 0 || k >= sz ) k = -1;
 449         plugin->config.selected = k;
 450         update_selection(&cols[0], k);
 451         int xpos = get_xposition(), ypos = get_yposition();
 452         BC_ListBox::update(&cols[0], &titles[0],&widths[0],PT_SZ, xpos,ypos,k);
 453         center_selection();
 454 }
 455 void TracerPointList::update(int k)
 456 {
 457         clear();
 458         TracerPoints &points = plugin->config.points;
 459         int sz = points.size();
 460         for( int i=0; i<sz; ++i ) {
 461                 TracerPoint *pt = points[i];
 462                 char xtxt[BCSTRLEN];  sprintf(xtxt,"%0.4f", pt->x);
 463                 char ytxt[BCSTRLEN];  sprintf(ytxt,"%0.4f", pt->y);
 464                 new_point(xtxt, ytxt);
 465         }
 466         if( k >= 0 && k < sz ) {
 467                 gui->point_x->update(gui->point_list->cols[PT_X].get(k)->get_text());
 468                 gui->point_y->update(gui->point_list->cols[PT_Y].get(k)->get_text());
 469         }
 470         update_list(k);
 471 }
 472
 473 void TracerWindow::update_gui()
 474 {
 475         TracerConfig &config = plugin->config;
 476         drag->update(config.drag);
 477         draw->update(config.draw);
 478         fill->update(config.fill);
 479         feather->update(config.feather);
 480         radius->update(config.radius);
 481         invert->update(config.invert);
 482         point_list->update(-1);
 483 }
 484
 485
 486 TracerPointUp::TracerPointUp(TracerWindow *gui, int x, int y)
 487  : BC_GenericButton(x, y, _("Up"))
 488 {
 489         this->gui = gui;
 490 }
 491 TracerPointUp::~TracerPointUp()
 492 {
 493 }
 494
 495 int TracerPointUp::handle_event()
 496 {
 497         TracerPoints &points = gui->plugin->config.points;
 498         int sz = points.size();
 499         int hot_point = gui->point_list->get_selection_number(0, 0);
 500
 501         if( sz > 1 && hot_point > 0 ) {
 502                 TracerPoint *&pt0 = points[hot_point];
 503                 TracerPoint *&pt1 = points[--hot_point];
 504                 TracerPoint *t = pt0;  pt0 = pt1;  pt1 = t;
 505                 gui->point_list->update(hot_point);
 506         }
 507         gui->send_configure_change();
 508         return 1;
 509 }
 510
 511 TracerPointDn::TracerPointDn(TracerWindow *gui, int x, int y)
 512  : BC_GenericButton(x, y, _("Dn"))
 513 {
 514         this->gui = gui;
 515 }
 516 TracerPointDn::~TracerPointDn()
 517 {
 518 }
 519
 520 int TracerPointDn::handle_event()
 521 {
 522         TracerPoints &points = gui->plugin->config.points;
 523         int sz = points.size();
 524         int hot_point = gui->point_list->get_selection_number(0, 0);
 525         if( sz > 1 && hot_point < sz-1 ) {
 526                 TracerPoint *&pt0 = points[hot_point];
 527                 TracerPoint *&pt1 = points[++hot_point];
 528                 TracerPoint *t = pt0;  pt0 = pt1;  pt1 = t;
 529                 gui->point_list->update(hot_point);
 530         }
 531         gui->send_configure_change();
 532         return 1;
 533 }
 534
 535 TracerDrag::TracerDrag(TracerWindow *gui, int x, int y)
 536  : BC_CheckBox(x, y, gui->plugin->config.drag, _("Drag"))
 537 {
 538         this->gui = gui;
 539 }
 540 int TracerDrag::handle_event()
 541 {
 542         CWindowGUI *cwindow_gui = gui->plugin->server->mwindow->cwindow->gui;
 543         int value = get_value();
 544         if( value ) {
 545                 if( !gui->grab(cwindow_gui) ) {
 546                         update(value = 0);
 547                         flicker(10,50);
 548                 }
 549         }
 550         else
 551                 gui->ungrab(cwindow_gui);
 552         gui->plugin->config.drag = value;
 553         gui->send_configure_change();
 554         return 1;
 555 }
 556
 557 TracerDraw::TracerDraw(TracerWindow *gui, int x, int y)
 558  : BC_CheckBox(x, y, gui->plugin->config.draw, _("Draw"))
 559 {
 560         this->gui = gui;
 561 }
 562 int TracerDraw::handle_event()
 563 {
 564         gui->plugin->config.draw = get_value();
 565         gui->send_configure_change();
 566         return 1;
 567 }
 568
 569 TracerFill::TracerFill(TracerWindow *gui, int x, int y)
 570  : BC_CheckBox(x, y, gui->plugin->config.fill, _("Fill"))
 571 {
 572         this->gui = gui;
 573 }
 574 int TracerFill::handle_event()
 575 {
 576         gui->plugin->config.fill = get_value();
 577         gui->send_configure_change();
 578         return 1;
 579 }
 580
 581 TracerFeather::TracerFeather(TracerWindow *gui, int x, int y, int w)
 582  : BC_ISlider(x,y,0,w,w, -50,50, gui->plugin->config.feather)
 583 {
 584         this->gui = gui;
 585 }
 586 int TracerFeather::handle_event()
 587 {
 588         gui->plugin->config.feather = get_value();
 589         gui->send_configure_change();
 590         return 1;
 591 }
 592
 593 TracerRadius::TracerRadius(TracerWindow *gui, int x, int y, int w)
 594  : BC_FSlider(x,y, 0,w,w, -5.f,5.f, gui->plugin->config.radius)
 595 {
 596         this->gui = gui;
 597 }
 598 int TracerRadius::handle_event()
 599 {
 600         gui->plugin->config.radius = get_value();
 601         gui->send_configure_change();
 602         return 1;
 603 }
 604
 605 TracerNewPoint::TracerNewPoint(TracerWindow *gui, Tracer *plugin, int x, int y)
 606  : BC_GenericButton(x, y, 80, _("New"))
 607 {
 608         this->gui = gui;
 609         this->plugin = plugin;
 610 }
 611 TracerNewPoint::~TracerNewPoint()
 612 {
 613 }
 614 int TracerNewPoint::handle_event()
 615 {
 616         int k = plugin->new_point();
 617         gui->point_list->update(k);
 618         gui->send_configure_change();
 619         return 1;
 620 }
 621
 622 TracerDelPoint::TracerDelPoint(TracerWindow *gui, Tracer *plugin, int x, int y)
 623  : BC_GenericButton(x, y, 80, C_("Del"))
 624 {
 625         this->gui = gui;
 626         this->plugin = plugin;
 627 }
 628 TracerDelPoint::~TracerDelPoint()
 629 {
 630 }
 631 int TracerDelPoint::handle_event()
 632 {
 633         int hot_point = gui->point_list->get_selection_number(0, 0);
 634         TracerPoints &points = plugin->config.points;
 635         if( hot_point >= 0 && hot_point < points.size() ) {
 636                 plugin->config.del_point(hot_point);
 637                 gui->point_list->update(--hot_point);
 638                 gui->send_configure_change();
 639         }
 640         return 1;
 641 }
 642
 643 TracerReset::TracerReset(TracerWindow *gui, Tracer *plugin, int x, int y)
 644  : BC_GenericButton(x, y, _("Reset"))
 645 {
 646         this->gui = gui;
 647         this->plugin = plugin;
 648 }
 649 TracerReset::~TracerReset()
 650 {
 651 }
 652 int TracerReset::handle_event()
 653 {
 654         TracerConfig &config = plugin->config;
 655         if( !config.drag ) {
 656                 MWindow *mwindow = plugin->server->mwindow;
 657                 CWindowGUI *cwindow_gui = mwindow->cwindow->gui;
 658                 if( gui->grab(cwindow_gui) )
 659                         config.drag = 1;
 660                 else
 661                         gui->drag->flicker(10,50);
 662         }
 663         config.draw = 1;
 664         config.fill = 0;
 665         config.invert = 0;
 666         config.feather = 0;
 667         config.radius = 1;
 668         config.selected = -1;
 669         TracerPoints &points = plugin->config.points;
 670         points.remove_all_objects();
 671         gui->point_list->update(-1);
 672         gui->update_gui();
 673         gui->send_configure_change();
 674         return 1;
 675 }
 676
 677 TracerInvert::TracerInvert(TracerWindow *gui, Tracer *plugin, int x, int y)
 678  : BC_CheckBox(x, y, gui->plugin->config.invert, _("Invert"))
 679 {
 680         this->gui = gui;
 681         this->plugin = plugin;
 682 }
 683 TracerInvert::~TracerInvert()
 684 {
 685 }
 686 int TracerInvert::handle_event()
 687 {
 688         plugin->config.invert = get_value();
 689         gui->send_configure_change();
 690         return 1;
 691 }
 692