guicast/bcslider.C

   1 #include "bcpixmap.h"
   2 #include "bcresources.h"
   3 #include "bcslider.h"
   4 #include "colors.h"
   5 #include "fonts.h"
   6 #include "keys.h"
   7 #include "units.h"
   8 #include "vframe.h"
   9
  10
  11
  12 #include <ctype.h>
  13 #include <string.h>
  14
  15
  16
  17 BC_Slider::BC_Slider(int x,
  18                 int y,
  19                 int pixels,
  20                 int pointer_motion_range,
  21                 VFrame **images,
  22                 int show_number,
  23                 int vertical,
  24                 int use_caption)
  25  : BC_SubWindow(x, y, 0, 0, -1)
  26 {
  27         this->images = images;
  28         this->show_number = show_number;
  29         this->vertical = vertical;
  30         this->pointer_motion_range = pointer_motion_range;
  31         this->pixels = pixels;
  32         this->button_pixel = button_pixel;
  33         this->use_caption = use_caption;
  34
  35         status = SLIDER_UP;
  36         pixmaps = new BC_Pixmap*[SLIDER_IMAGES];
  37         for(int i = 0; i < SLIDER_IMAGES; i++)
  38         {
  39                 pixmaps[i] = 0;
  40         }
  41         button_down = 0;
  42         enabled = 1;
  43         active = 0;
  44 }
  45
  46 BC_Slider::~BC_Slider()
  47 {
  48         for(int i = 0; i < SLIDER_IMAGES; i++)
  49         {
  50                 if(pixmaps[i]) delete pixmaps[i];
  51         }
  52         if(pixmaps) delete [] pixmaps;
  53 }
  54
  55 int BC_Slider::initialize()
  56 {
  57         if(!images)
  58         {
  59                 this->images = vertical ?
  60                         BC_WindowBase::get_resources()->vertical_slider_data :
  61                         BC_WindowBase::get_resources()->horizontal_slider_data;
  62         }
  63
  64         set_images(images);
  65
  66         if(vertical)
  67         {
  68                 w = images[SLIDER_BG_UP]->get_w();
  69                 h = pixels;
  70         }
  71         else
  72         {
  73                 w = pixels;
  74                 h = images[SLIDER_BG_UP]->get_h();
  75         }
  76
  77         text_height = get_text_height(SMALLFONT);
  78         button_pixel = value_to_pixel();
  79
  80         BC_SubWindow::initialize();
  81         draw_face();
  82         return 0;
  83 }
  84
  85 int BC_Slider::get_span(int vertical)
  86 {
  87         if(vertical)
  88         {
  89                 return BC_WindowBase::get_resources()->vertical_slider_data[0]->get_w();
  90         }
  91         else
  92         {
  93                 return BC_WindowBase::get_resources()->horizontal_slider_data[0]->get_h();
  94         }
  95 }
  96
  97 int BC_Slider::draw_face()
  98 {
  99 // Clear background
 100         draw_top_background(parent_window, 0, 0, get_w(), get_h());
 101
 102
 103         if(vertical)
 104         {
 105                 draw_3segmentv(0,
 106                         0,
 107                         get_h(),
 108                         pixmaps[SLIDER_IMAGES / 2 + status]);
 109                 draw_pixmap(pixmaps[status], 0, button_pixel);
 110                 if(use_caption)
 111                 {
 112                         set_color(RED);
 113                         set_font(SMALLFONT);
 114                         draw_text(0, h, get_caption());
 115                 }
 116         }
 117         else
 118         {
 119                 int y = get_h() / 2 - pixmaps[SLIDER_IMAGES / 2 + status]->get_h() / 2;
 120                 draw_3segmenth(0,
 121                         0,
 122                         get_w(),
 123                         pixmaps[SLIDER_IMAGES / 2 + status]);
 124                 draw_pixmap(pixmaps[status], button_pixel, 0);
 125                 if(use_caption)
 126                 {
 127                         set_color(RED);
 128                         set_font(SMALLFONT);
 129                         draw_text(0, h, get_caption());
 130                 }
 131         }
 132
 133         flash();
 134         return 0;
 135 }
 136
 137 int BC_Slider::set_images(VFrame **images)
 138 {
 139         for(int i = 0; i < SLIDER_IMAGES; i++)
 140         {
 141                 if(pixmaps[i]) delete pixmaps[i];
 142                 pixmaps[i] = new BC_Pixmap(parent_window, images[i], PIXMAP_ALPHA);
 143         }
 144         return 0;
 145 }
 146
 147 int BC_Slider::get_button_pixels()
 148 {
 149         return vertical ? pixmaps[SLIDER_UP]->get_h() :
 150                 pixmaps[SLIDER_UP]->get_w();
 151 }
 152
 153 void BC_Slider::show_value_tooltip()
 154 {
 155 //printf("BC_Slider::show_value_tooltip %s\n", get_caption());
 156         set_tooltip(get_caption());
 157         keypress_tooltip_timer = 2000;
 158         show_tooltip(50);
 159 }
 160
 161
 162 int BC_Slider::repeat_event(int64_t duration)
 163 {
 164         if(duration == top_level->get_resources()->tooltip_delay)
 165         {
 166                 if(tooltip_on)
 167                 {
 168                         if(keypress_tooltip_timer > 0)
 169                         {
 170                                 keypress_tooltip_timer -= get_resources()->tooltip_delay;
 171                         }
 172                         else
 173                         if(status != SLIDER_HI && status != SLIDER_DN)
 174                         {
 175                                 hide_tooltip();
 176                         }
 177                 }
 178                 else
 179                 if(status == SLIDER_HI)
 180                 {
 181                         if(!tooltip_text[0] || isdigit(tooltip_text[0]))
 182                         {
 183                                 set_tooltip(get_caption());
 184                                 show_tooltip(50);
 185                         }
 186                         else
 187                         {
 188 //printf("BC_Slider::repeat_event 1 %s\n", tooltip_text);
 189                                 set_tooltip(get_caption());
 190                                 show_tooltip();
 191                         }
 192                         tooltip_done = 1;
 193                         return 1;
 194                 }
 195         }
 196         return 0;
 197 }
 198
 199
 200 int BC_Slider::keypress_event()
 201 {
 202         int result = 0;
 203         if(!active || !enabled) return 0;
 204         if(ctrl_down() || shift_down()) return 0;
 205
 206         switch(get_keypress())
 207         {
 208                 case UP:
 209                         increase_value_big();
 210                         result = 1;
 211                         break;
 212                 case DOWN:
 213                         decrease_value_big();
 214                         result = 1;
 215                         break;
 216                 case LEFT:
 217                         decrease_value();
 218                         result = 1;
 219                         break;
 220                 case RIGHT:
 221                         increase_value();
 222                         result = 1;
 223                         break;
 224         }
 225
 226         if(result)
 227         {
 228                 handle_event();
 229                 show_value_tooltip();
 230                 draw_face();
 231         }
 232         return result;
 233 }
 234
 235 int BC_Slider::cursor_enter_event()
 236 {
 237 //printf("BC_Slider::cursor_enter_event 1\n");
 238         if(top_level->event_win == win && status == SLIDER_UP)
 239         {
 240                 tooltip_done = 0;
 241                 status = SLIDER_HI;
 242                 draw_face();
 243         }
 244 //printf("BC_Slider::cursor_enter_event 2\n");
 245         return 0;
 246 }
 247
 248 int BC_Slider::cursor_leave_event()
 249 {
 250         if(status == SLIDER_HI)
 251         {
 252                 status = SLIDER_UP;
 253                 draw_face();
 254                 hide_tooltip();
 255         }
 256         return 0;
 257 }
 258
 259 int BC_Slider::deactivate()
 260 {
 261         active = 0;
 262         return 0;
 263 }
 264
 265 int BC_Slider::activate()
 266 {
 267         top_level->active_subwindow = this;
 268         active = 1;
 269 }
 270
 271 int BC_Slider::button_press_event()
 272 {
 273         int result = 0;
 274         if(is_event_win())
 275         {
 276                 if(!tooltip_on) top_level->hide_tooltip();
 277                 if(status == SLIDER_HI)
 278                 {
 279                         if(get_buttonpress() == 4)
 280                         {
 281                                 increase_value();
 282                                 handle_event();
 283                                 show_value_tooltip();
 284                                 draw_face();
 285                         }
 286                         else
 287                         if(get_buttonpress() == 5)
 288                         {
 289                                 decrease_value();
 290                                 handle_event();
 291                                 show_value_tooltip();
 292                                 draw_face();
 293                         }
 294                         else
 295                         if(get_buttonpress() == 1)
 296                         {
 297                                 button_down = 1;
 298                                 status = SLIDER_DN;
 299                                 draw_face();
 300                                 init_selection(top_level->cursor_x, top_level->cursor_y);
 301                                 top_level->deactivate();
 302                                 activate();
 303                                 show_value_tooltip();
 304                         }
 305                         result = 1;
 306                 }
 307         }
 308         return result;
 309 }
 310
 311 int BC_Slider::button_release_event()
 312 {
 313         if(button_down)
 314         {
 315                 button_down = 0;
 316                 if(cursor_inside())
 317                         status = SLIDER_HI;
 318                 else
 319                 {
 320                         status = SLIDER_UP;
 321                         top_level->hide_tooltip();
 322                 }
 323                 draw_face();
 324                 return 1;
 325         }
 326         return 0;
 327 }
 328
 329 int BC_Slider::cursor_motion_event()
 330 {
 331         if(button_down)
 332         {
 333                 int old_pixel = button_pixel;
 334                 int result = update_selection(top_level->cursor_x, top_level->cursor_y);
 335                 if(button_pixel != old_pixel) draw_face();
 336                 if(result)
 337                 {
 338                         handle_event();
 339                         set_tooltip(get_caption());
 340                 }
 341                 return 1;
 342         }
 343         return 0;
 344 }
 345
 346 int BC_Slider::reposition_window(int x, int y, int w, int h)
 347 {
 348         BC_SubWindow::reposition_window(x, y, w, h);
 349         button_pixel = value_to_pixel();
 350         draw_face();
 351         return 0;
 352 }
 353
 354
 355 int BC_Slider::get_pointer_motion_range()
 356 {
 357         return pointer_motion_range;
 358 }
 359
 360
 361
 362
 363
 364 BC_ISlider::BC_ISlider(int x,
 365                         int y,
 366                         int vertical,
 367                         int pixels,
 368                         int pointer_motion_range,
 369                         int64_t minvalue,
 370                         int64_t maxvalue,
 371                         int64_t value,
 372                         int use_caption,
 373                         VFrame **data,
 374                         int *output)
 375  : BC_Slider(x,
 376                 y,
 377                 pixels,
 378                 pointer_motion_range,
 379                 data,
 380                 1,
 381                 vertical,
 382                 use_caption)
 383 {
 384         this->minvalue = minvalue;
 385         this->maxvalue = maxvalue;
 386         this->value = value;
 387         this->output = output;
 388 }
 389
 390 int BC_ISlider::value_to_pixel()
 391 {
 392         if(maxvalue == minvalue) return 0;
 393         else
 394         {
 395                 if(vertical)
 396                         return (int)((1.0 - (double)(value - minvalue) / (maxvalue - minvalue)) *
 397                                 (get_h() - get_button_pixels()));
 398                 else
 399                         return (int)((double)(value - minvalue) / (maxvalue - minvalue) *
 400                                 (get_w() - get_button_pixels()));
 401         }
 402 }
 403
 404 int BC_ISlider::update(int64_t value)
 405 {
 406         if(this->value != value)
 407         {
 408                 this->value = value;
 409                 int old_pixel = button_pixel;
 410                 button_pixel = value_to_pixel();
 411                 if(button_pixel != old_pixel) draw_face();
 412         }
 413         return 0;
 414 }
 415
 416 int BC_ISlider::update(int pointer_motion_range,
 417         int64_t value,
 418         int64_t minvalue,
 419         int64_t maxvalue)
 420 {
 421         this->minvalue = minvalue;
 422         this->maxvalue = maxvalue;
 423         this->value = value;
 424         this->pointer_motion_range = pointer_motion_range;
 425
 426         int old_pixel = button_pixel;
 427         button_pixel = value_to_pixel();
 428         if(button_pixel != old_pixel) draw_face();
 429         return 0;
 430 }
 431
 432
 433 int64_t BC_ISlider::get_value()
 434 {
 435         return value;
 436 }
 437
 438 int64_t BC_ISlider::get_length()
 439 {
 440         return maxvalue - minvalue;
 441 }
 442
 443 char* BC_ISlider::get_caption()
 444 {
 445         sprintf(caption, "%ld", value);
 446         return caption;
 447 }
 448
 449 int BC_ISlider::increase_value()
 450 {
 451         value++;
 452         if(value > maxvalue) value = maxvalue;
 453         button_pixel = value_to_pixel();
 454         return 0;
 455 }
 456
 457 int BC_ISlider::decrease_value()
 458 {
 459         value-=10;
 460         if(value < minvalue) value = minvalue;
 461         button_pixel = value_to_pixel();
 462         return 0;
 463 }
 464
 465 int BC_ISlider::increase_value_big()
 466 {
 467         value+=10;
 468         if(value > maxvalue) value = maxvalue;
 469         button_pixel = value_to_pixel();
 470         return 0;
 471 }
 472
 473 int BC_ISlider::decrease_value_big()
 474 {
 475         value--;
 476         if(value < minvalue) value = minvalue;
 477         button_pixel = value_to_pixel();
 478         return 0;
 479 }
 480
 481 int BC_ISlider::init_selection(int cursor_x, int cursor_y)
 482 {
 483         if(vertical)
 484         {
 485                 min_pixel = -(int)((1.0 - (double)(value - minvalue) / (maxvalue - minvalue)) * pointer_motion_range);
 486                 min_pixel += cursor_y;
 487         }
 488         else
 489         {
 490                 min_pixel = -(int)((double)(value - minvalue) / (maxvalue - minvalue) * pointer_motion_range);
 491                 min_pixel += cursor_x;
 492         }
 493         max_pixel = min_pixel + pointer_motion_range;
 494         return 0;
 495 }
 496
 497 int BC_ISlider::update_selection(int cursor_x, int cursor_y)
 498 {
 499         int64_t old_value = value;
 500
 501         if(vertical)
 502         {
 503                 value = (int64_t)((1.0 - (double)(cursor_y - min_pixel) /
 504                         pointer_motion_range) *
 505                         (maxvalue - minvalue) +
 506                         minvalue);
 507         }
 508         else
 509         {
 510                 value = (int64_t)((double)(cursor_x - min_pixel) /
 511                         pointer_motion_range *
 512                         (maxvalue - minvalue) +
 513                         minvalue);
 514         }
 515
 516         if(value > maxvalue) value = maxvalue;
 517         if(value < minvalue) value = minvalue;
 518         button_pixel = value_to_pixel();
 519
 520         if(old_value != value)
 521         {
 522                 return 1;
 523         }
 524         return 0;
 525 }
 526
 527 int BC_ISlider::handle_event()
 528 {
 529         if(output) *output = get_value();
 530         return 1;
 531 }
 532
 533
 534
 535
 536
 537
 538
 539
 540 BC_FSlider::BC_FSlider(int x,
 541                         int y,
 542                         int vertical,
 543                         int pixels,
 544                         int pointer_motion_range,
 545                         float minvalue,
 546                         float maxvalue,
 547                         float value,
 548                         int use_caption,
 549                         VFrame **data)
 550  : BC_Slider(x,
 551                 y,
 552                 pixels,
 553                 pointer_motion_range,
 554                 data,
 555                 1,
 556                 vertical,
 557                 use_caption)
 558 {
 559         this->minvalue = minvalue;
 560         this->maxvalue = maxvalue;
 561         this->value = value;
 562         this->precision = 0.1;
 563         this->small_change = 0.1;
 564         this->big_change = 1.0;
 565 }
 566
 567 int BC_FSlider::value_to_pixel()
 568 {
 569 //printf("BC_FSlider::value_to_pixel %f %f\n", maxvalue, minvalue);
 570         if(maxvalue == minvalue) return 0;
 571         {
 572                 if(vertical)
 573                         return (int)((1.0 - (double)(value - minvalue) / (maxvalue - minvalue)) *
 574                                 (get_h() - get_button_pixels()));
 575                 else
 576                         return (int)((double)(value - minvalue) / (maxvalue - minvalue) *
 577                                 (get_w() - get_button_pixels()));
 578         }
 579 }
 580
 581 int BC_FSlider::update(float value)
 582 {
 583         if(this->value != value)
 584         {
 585                 this->value = value;
 586                 int old_pixel = button_pixel;
 587                 button_pixel = value_to_pixel();
 588 //printf("BC_FSlider::update 1 %f %d\n", value, button_pixel);
 589                 if(button_pixel != old_pixel) draw_face();
 590         }
 591         return 0;
 592 }
 593
 594 int BC_FSlider::update(int pointer_motion_range, float value, float minvalue, float maxvalue)
 595 {
 596         this->minvalue = minvalue;
 597         this->maxvalue = maxvalue;
 598         this->value = value;
 599         this->pointer_motion_range = pointer_motion_range;
 600         int old_pixel = button_pixel;
 601         button_pixel = value_to_pixel();
 602         if(button_pixel != old_pixel) draw_face();
 603         return 0;
 604 }
 605
 606
 607 float BC_FSlider::get_value()
 608 {
 609         return value;
 610 }
 611
 612 float BC_FSlider::get_length()
 613 {
 614         return maxvalue - minvalue;
 615 }
 616
 617 char* BC_FSlider::get_caption()
 618 {
 619         sprintf(caption, "%.02f", value);
 620         return caption;
 621 }
 622
 623 int BC_FSlider::increase_value()
 624 {
 625         value += small_change;
 626         if(value > maxvalue) value = maxvalue;
 627         button_pixel = value_to_pixel();
 628         return 0;
 629 }
 630
 631 int BC_FSlider::decrease_value()
 632 {
 633         value -= small_change;
 634         if(value < minvalue) value = minvalue;
 635         button_pixel = value_to_pixel();
 636         return 0;
 637 }
 638
 639 int BC_FSlider::increase_value_big()
 640 {
 641         value += big_change;
 642         if(value > maxvalue) value = maxvalue;
 643         button_pixel = value_to_pixel();
 644         return 0;
 645 }
 646
 647 int BC_FSlider::decrease_value_big()
 648 {
 649         value -= big_change;
 650         if(value < minvalue) value = minvalue;
 651         button_pixel = value_to_pixel();
 652         return 0;
 653 }
 654
 655 int BC_FSlider::init_selection(int cursor_x, int cursor_y)
 656 {
 657         if(vertical)
 658         {
 659                 min_pixel = -(int)((1.0 - (double)(value - minvalue) / (maxvalue - minvalue)) * pointer_motion_range);
 660                 min_pixel += cursor_y;
 661         }
 662         else
 663         {
 664                 min_pixel = -(int)((double)(value - minvalue) / (maxvalue - minvalue) * pointer_motion_range);
 665                 min_pixel += cursor_x;
 666         }
 667         max_pixel = min_pixel + pointer_motion_range;
 668         return 0;
 669 }
 670
 671 int BC_FSlider::update_selection(int cursor_x, int cursor_y)
 672 {
 673         float old_value = value;
 674
 675
 676         if(vertical)
 677         {
 678                 value = ((1.0 - (double)(cursor_y - min_pixel) /
 679                         pointer_motion_range) *
 680                         (maxvalue - minvalue) +
 681                         minvalue);
 682         }
 683         else
 684         {
 685                 value = ((double)(cursor_x - min_pixel) /
 686                         pointer_motion_range *
 687                         (maxvalue - minvalue) +
 688                         minvalue);
 689         }
 690
 691         value = Units::quantize(value, precision);
 692         if(value > maxvalue) value = maxvalue;
 693         if(value < minvalue) value = minvalue;
 694         button_pixel = value_to_pixel();
 695 // printf("BC_FSlider::update_selection 1 %d %d %d %d %f %f\n",
 696 // pointer_motion_range,
 697 // min_pixel,
 698 // max_pixel,
 699 // cursor_x,
 700 // precision,
 701 // value);
 702
 703         if(old_value != value)
 704         {
 705                 return 1;
 706         }
 707         return 0;
 708 }
 709
 710 void BC_FSlider::set_precision(float value)
 711 {
 712         this->precision = value;
 713 }
 714
 715 void BC_FSlider::set_pagination(float small_change, float big_change)
 716 {
 717         this->small_change = small_change;
 718         this->big_change = big_change;
 719 }
 720
 721
 722
 723 BC_PercentageSlider::BC_PercentageSlider(int x,
 724                         int y,
 725                         int vertical,
 726                         int pixels,
 727                         int pointer_motion_range,
 728                         float minvalue,
 729                         float maxvalue,
 730                         float value,
 731                         int use_caption,
 732                         VFrame **data)
 733  : BC_FSlider(x,
 734                         y,
 735                         vertical,
 736                         pixels,
 737                         pointer_motion_range,
 738                         minvalue,
 739                         maxvalue,
 740                         value,
 741                         use_caption,
 742                         data)
 743 {
 744 }
 745
 746 char* BC_PercentageSlider::get_caption()
 747 {
 748         sprintf(caption, "%.0f%%", floor((value - minvalue) / (maxvalue - minvalue) * 100));
 749         return caption;
 750 }
 751
 752 /*
 753 //      Local Variables:
 754 //      mode: C++
 755 //      c-file-style: "linux"
 756 //      End:
 757 */