lib/service/listboxservice.cpp

   1 #include <lib/service/listboxservice.h>
   2 #include <lib/service/service.h>
   3 #include <lib/gdi/font.h>
   4 #include <lib/dvb/epgcache.h>
   5 #include <lib/dvb/pmt.h>
   6 #include <lib/python/connections.h>
   7
   8 void eListboxServiceContent::addService(const eServiceReference &service, bool beforeCurrent)
   9 {
  10         if (beforeCurrent && m_size)
  11                 m_list.insert(m_cursor, service);
  12         else
  13                 m_list.push_back(service);
  14         if (m_size++)
  15         {
  16                 ++m_cursor_number;
  17                 if (m_listbox)
  18                         m_listbox->entryAdded(m_cursor_number-1);
  19         }
  20         else
  21         {
  22                 m_cursor = m_list.begin();
  23                 m_cursor_number=0;
  24                 m_listbox->entryAdded(0);
  25         }
  26 }
  27
  28 void eListboxServiceContent::removeCurrent()
  29 {
  30         if (m_size && m_listbox)
  31         {
  32                 if (m_cursor_number == --m_size)
  33                 {
  34                         m_list.erase(m_cursor--);
  35                         if (m_size)
  36                         {
  37                                 --m_cursor_number;
  38                                 m_listbox->entryRemoved(m_cursor_number+1);
  39                         }
  40                         else
  41                                 m_listbox->entryRemoved(m_cursor_number);
  42                 }
  43                 else
  44                 {
  45                         m_list.erase(m_cursor++);
  46                         m_listbox->entryRemoved(m_cursor_number);
  47                 }
  48         }
  49 }
  50
  51 void eListboxServiceContent::FillFinished()
  52 {
  53         m_size = m_list.size();
  54         cursorHome();
  55
  56         if (m_listbox)
  57                 m_listbox->entryReset();
  58 }
  59
  60 void eListboxServiceContent::setRoot(const eServiceReference &root, bool justSet)
  61 {
  62         m_list.clear();
  63         m_root = root;
  64
  65         if (justSet)
  66         {
  67                 m_lst=0;
  68                 return;
  69         }
  70         assert(m_service_center);
  71
  72         if (m_service_center->list(m_root, m_lst))
  73                 eDebug("no list available!");
  74         else if (m_lst->getContent(m_list))
  75                 eDebug("getContent failed");
  76
  77         FillFinished();
  78 }
  79
  80 void eListboxServiceContent::setCurrent(const eServiceReference &ref)
  81 {
  82         int index=0;
  83         for (list::iterator i(m_list.begin()); i != m_list.end(); ++i, ++index)
  84                 if ( *i == ref )
  85                 {
  86                         m_cursor = i;
  87                         m_cursor_number = index;
  88                         break;
  89                 }
  90         if (m_listbox)
  91                 m_listbox->moveSelectionTo(index);
  92 }
  93
  94 void eListboxServiceContent::getCurrent(eServiceReference &ref)
  95 {
  96         if (cursorValid())
  97                 ref = *m_cursor;
  98         else
  99                 ref = eServiceReference();
 100 }
 101
 102 int eListboxServiceContent::getNextBeginningWithChar(char c)
 103 {
 104 //      printf("Char: %c\n", c);
 105         int index=0;
 106         for (list::iterator i(m_list.begin()); i != m_list.end(); ++i, ++index)
 107         {
 108                 std::string text;
 109                 ePtr<iStaticServiceInformation> service_info;
 110                 m_service_center->info(*i, service_info);
 111                 service_info->getName(*i, text);
 112 //              printf("%c\n", text.c_str()[0]);
 113                 int idx=0;
 114                 int len=text.length();
 115                 while ( idx <= len )
 116                 {
 117                         char cc = text[idx++];
 118                         if ( cc >= 33 && cc < 127)
 119                         {
 120                                 if (cc == c)
 121                                         return index;
 122                                 break;
 123                         }
 124                 }
 125         }
 126         return 0;
 127 }
 128
 129 int eListboxServiceContent::getPrevMarkerPos()
 130 {
 131         if (!m_listbox)
 132                 return 0;
 133         list::iterator i(m_cursor);
 134         int index = m_cursor_number;
 135         while (index)
 136         {
 137                 --i;
 138                 --index;
 139                 if (i->flags & eServiceReference::isMarker)
 140                         break;
 141         }
 142         return index;
 143 }
 144
 145 int eListboxServiceContent::getNextMarkerPos()
 146 {
 147         if (!m_listbox)
 148                 return 0;
 149         list::iterator i(m_cursor);
 150         int index = m_cursor_number;
 151         while (index < (m_size-1))
 152         {
 153                 ++i;
 154                 ++index;
 155                 if (i->flags & eServiceReference::isMarker)
 156                         break;
 157         }
 158         return index;
 159 }
 160
 161 void eListboxServiceContent::initMarked()
 162 {
 163         m_marked.clear();
 164 }
 165
 166 void eListboxServiceContent::addMarked(const eServiceReference &ref)
 167 {
 168         m_marked.insert(ref);
 169         if (m_listbox)
 170                 m_listbox->entryChanged(lookupService(ref));
 171 }
 172
 173 void eListboxServiceContent::removeMarked(const eServiceReference &ref)
 174 {
 175         m_marked.erase(ref);
 176         if (m_listbox)
 177                 m_listbox->entryChanged(lookupService(ref));
 178 }
 179
 180 int eListboxServiceContent::isMarked(const eServiceReference &ref)
 181 {
 182         return m_marked.find(ref) != m_marked.end();
 183 }
 184
 185 void eListboxServiceContent::markedQueryStart()
 186 {
 187         m_marked_iterator = m_marked.begin();
 188 }
 189
 190 int eListboxServiceContent::markedQueryNext(eServiceReference &ref)
 191 {
 192         if (m_marked_iterator == m_marked.end())
 193                 return -1;
 194         ref = *m_marked_iterator++;
 195         return 0;
 196 }
 197
 198 int eListboxServiceContent::lookupService(const eServiceReference &ref)
 199 {
 200                 /* shortcut for cursor */
 201         if (ref == *m_cursor)
 202                 return m_cursor_number;
 203                 /* otherwise, search in the list.. */
 204         int index = 0;
 205         for (list::const_iterator i(m_list.begin()); i != m_list.end(); ++i, ++index);
 206
 207                 /* this is ok even when the index was not found. */
 208         return index;
 209 }
 210
 211 void eListboxServiceContent::setVisualMode(int mode)
 212 {
 213         for (int i=0; i < celElements; ++i)
 214         {
 215                 m_element_position[i] = eRect();
 216                 m_element_font[i] = 0;
 217         }
 218
 219         m_visual_mode = mode;
 220
 221         if (m_visual_mode == visModeSimple)
 222         {
 223                 m_element_position[celServiceName] = eRect(ePoint(0, 0), m_itemsize);
 224                 m_element_font[celServiceName] = new gFont("Regular", 23);
 225         }
 226 }
 227
 228 void eListboxServiceContent::setElementPosition(int element, eRect where)
 229 {
 230         if ((element >= 0) && (element < celElements))
 231                 m_element_position[element] = where;
 232 }
 233
 234 void eListboxServiceContent::setElementFont(int element, gFont *font)
 235 {
 236         if ((element >= 0) && (element < celElements))
 237                 m_element_font[element] = font;
 238 }
 239
 240 void eListboxServiceContent::setPixmap(int type, ePtr<gPixmap> &pic)
 241 {
 242         if ((type >=0) && (type < picElements))
 243                 m_pixmaps[type] = pic;
 244 }
 245
 246 void eListboxServiceContent::sort()
 247 {
 248         if (!m_lst)
 249                 m_service_center->list(m_root, m_lst);
 250         if (m_lst)
 251         {
 252                 m_list.sort(iListableServiceCompare(m_lst));
 253                         /* FIXME: is this really required or can we somehow keep the current entry? */
 254                 cursorHome();
 255                 if (m_listbox)
 256                         m_listbox->entryReset();
 257         }
 258 }
 259
 260 DEFINE_REF(eListboxServiceContent);
 261
 262 eListboxServiceContent::eListboxServiceContent()
 263         :m_visual_mode(visModeSimple), m_size(0), m_current_marked(false), m_numberoffset(0), m_itemheight(25)
 264 {
 265         cursorHome();
 266         eServiceCenter::getInstance(m_service_center);
 267 }
 268
 269 void eListboxServiceContent::cursorHome()
 270 {
 271         if (m_current_marked && m_saved_cursor == m_list.end())
 272         {
 273                 if (m_cursor_number >= m_size)
 274                 {
 275                         m_cursor_number = m_size-1;
 276                         --m_cursor;
 277                 }
 278                 while (m_cursor_number)
 279                 {
 280                         std::iter_swap(m_cursor--, m_cursor);
 281                         --m_cursor_number;
 282                         if (m_listbox && m_cursor_number)
 283                                 m_listbox->entryChanged(m_cursor_number);
 284                 }
 285         }
 286         else
 287         {
 288                 m_cursor = m_list.begin();
 289                 m_cursor_number = 0;
 290         }
 291 }
 292
 293 void eListboxServiceContent::cursorEnd()
 294 {
 295         if (m_current_marked && m_saved_cursor == m_list.end())
 296         {
 297                 while (m_cursor != m_list.end())
 298                 {
 299                         list::iterator prev = m_cursor++;
 300                         ++m_cursor_number;
 301                         if ( prev != m_list.end() && m_cursor != m_list.end() )
 302                         {
 303                                 std::iter_swap(m_cursor, prev);
 304                                 if ( m_listbox )
 305                                         m_listbox->entryChanged(m_cursor_number);
 306                         }
 307                 }
 308         }
 309         else
 310         {
 311                 m_cursor = m_list.end();
 312                 m_cursor_number = m_size;
 313         }
 314 }
 315
 316 int eListboxServiceContent::setCurrentMarked(bool state)
 317 {
 318         bool prev = m_current_marked;
 319         m_current_marked = state;
 320
 321         if (state != prev && m_listbox)
 322         {
 323                 m_listbox->entryChanged(m_cursor_number);
 324                 if (!state)
 325                 {
 326                         if (!m_lst)
 327                                 m_service_center->list(m_root, m_lst);
 328                         if (m_lst)
 329                         {
 330                                 ePtr<iMutableServiceList> list;
 331                                 if (m_lst->startEdit(list))
 332                                         eDebug("no editable list");
 333                                 else
 334                                 {
 335                                         eServiceReference ref;
 336                                         getCurrent(ref);
 337                                         if(!ref)
 338                                                 eDebug("no valid service selected");
 339                                         else
 340                                         {
 341                                                 int pos = cursorGet();
 342                                                 eDebugNoNewLine("move %s to %d ", ref.toString().c_str(), pos);
 343                                                 if (list->moveService(ref, cursorGet()))
 344                                                         eDebug("failed");
 345                                                 else
 346                                                         eDebug("ok");
 347                                         }
 348                                 }
 349                         }
 350                         else
 351                                 eDebug("no list available!");
 352                 }
 353         }
 354
 355         return 0;
 356 }
 357
 358 int eListboxServiceContent::cursorMove(int count)
 359 {
 360         int prev = m_cursor_number, last = m_cursor_number + count;
 361         if (count > 0)
 362         {
 363                 while(count && m_cursor != m_list.end())
 364                 {
 365                         list::iterator prev_it = m_cursor++;
 366                         if ( m_current_marked && m_cursor != m_list.end() && m_saved_cursor == m_list.end() )
 367                         {
 368                                 std::iter_swap(prev_it, m_cursor);
 369                                 if ( m_listbox && prev != m_cursor_number && last != m_cursor_number )
 370                                         m_listbox->entryChanged(m_cursor_number);
 371                         }
 372                         ++m_cursor_number;
 373                         --count;
 374         }
 375         } else if (count < 0)
 376         {
 377                 while (count && m_cursor != m_list.begin())
 378                 {
 379                         list::iterator prev_it = m_cursor--;
 380                         if ( m_current_marked && m_cursor != m_list.end() && prev_it != m_list.end() && m_saved_cursor == m_list.end() )
 381                         {
 382                                 std::iter_swap(prev_it, m_cursor);
 383                                 if ( m_listbox && prev != m_cursor_number && last != m_cursor_number )
 384                                         m_listbox->entryChanged(m_cursor_number);
 385                         }
 386                         --m_cursor_number;
 387                         ++count;
 388                 }
 389         }
 390         return 0;
 391 }
 392
 393 int eListboxServiceContent::cursorValid()
 394 {
 395         return m_cursor != m_list.end();
 396 }
 397
 398 int eListboxServiceContent::cursorSet(int n)
 399 {
 400         cursorHome();
 401         cursorMove(n);
 402         return 0;
 403 }
 404
 405 int eListboxServiceContent::cursorGet()
 406 {
 407         return m_cursor_number;
 408 }
 409
 410 void eListboxServiceContent::cursorSave()
 411 {
 412         m_saved_cursor = m_cursor;
 413         m_saved_cursor_number = m_cursor_number;
 414 }
 415
 416 void eListboxServiceContent::cursorRestore()
 417 {
 418         m_cursor = m_saved_cursor;
 419         m_cursor_number = m_saved_cursor_number;
 420         m_saved_cursor = m_list.end();
 421 }
 422
 423 int eListboxServiceContent::size()
 424 {
 425         return m_size;
 426 }
 427
 428 void eListboxServiceContent::setSize(const eSize &size)
 429 {
 430         m_itemsize = size;
 431         if (m_visual_mode == visModeSimple)
 432                 setVisualMode(m_visual_mode);
 433 }
 434
 435 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 436 {
 437         painter.clip(eRect(offset, m_itemsize));
 438
 439         if (m_current_marked && selected)
 440                 style.setStyle(painter, eWindowStyle::styleListboxMarked);
 441         else if (cursorValid() && isMarked(*m_cursor))
 442                 style.setStyle(painter, selected ? eWindowStyle::styleListboxMarkedAndSelected : eWindowStyle::styleListboxMarked);
 443         else
 444                 style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 445         painter.clear();
 446
 447         if (cursorValid())
 448         {
 449                         /* get service information */
 450                 ePtr<iStaticServiceInformation> service_info;
 451                 m_service_center->info(*m_cursor, service_info);
 452                 eServiceReference ref = *m_cursor;
 453                 bool isPlayable = !(ref.flags & eServiceReference::isDirectory || ref.flags & eServiceReference::isMarker);
 454
 455                 if (isPlayable && service_info && !service_info->isPlayable(*m_cursor, m_is_playable_ignore))
 456                         painter.setForegroundColor(gRGB(0xbbbbbb));
 457
 458                 int xoffset=0;  // used as offset when painting the folder/marker symbol
 459
 460                 for (int e = 0; e < celElements; ++e)
 461                 {
 462                         if (m_element_font[e])
 463                         {
 464                                 int flags=gPainter::RT_VALIGN_CENTER,
 465                                         yoffs = 0,
 466                                         xoffs = xoffset;
 467                                 eRect &area = m_element_position[e];
 468                                 std::string text = "<n/a>";
 469                                 xoffset=0;
 470
 471                                 switch (e)
 472                                 {
 473                                 case celServiceNumber:
 474                                 {
 475                                         if (m_cursor->flags & eServiceReference::isMarker)
 476                                                 continue;
 477                                         char bla[10];
 478                                 /* how we can do this better? :) */
 479                                         int markers_before=0;
 480                                         {
 481                                                 list::iterator tmp=m_cursor;
 482                                                 while(tmp != m_list.begin())
 483                                                 {
 484                                                         --tmp;
 485                                                         if (tmp->flags & eServiceReference::isMarker)
 486                                                                 ++markers_before;
 487                                                 }
 488                                         }
 489                                         sprintf(bla, "%d", m_numberoffset + m_cursor_number + 1 - markers_before);
 490                                         text = bla;
 491                                         flags|=gPainter::RT_HALIGN_RIGHT;
 492                                         break;
 493                                 }
 494                                 case celServiceName:
 495                                 {
 496                                         if (service_info)
 497                                                 service_info->getName(*m_cursor, text);
 498                                         break;
 499                                 }
 500                                 case celServiceInfo:
 501                                 {
 502                                         ePtr<eServiceEvent> evt;
 503                                         if ( service_info && !service_info->getEvent(*m_cursor, evt) )
 504                                         {
 505                                                 std::string name = evt->getEventName();
 506                                                 if (!name.length())
 507                                                         continue;
 508                                                 text = '(' + evt->getEventName() + ')';
 509                                         }
 510                                         else
 511                                                 continue;
 512                                         break;
 513                                 }
 514                                 }
 515
 516                                 eRect tmp = area;
 517                                 tmp.setWidth(tmp.width()-xoffs);
 518
 519                                 eTextPara *para = new eTextPara(tmp);
 520                                 para->setFont(m_element_font[e]);
 521                                 para->renderString(text.c_str());
 522
 523                                 if (e == celServiceName)
 524                                 {
 525                                         eRect bbox = para->getBoundBox();
 526                                         int name_width = bbox.width()+8;
 527                                         m_element_position[celServiceInfo].setLeft(area.left()+name_width);
 528                                         m_element_position[celServiceInfo].setTop(area.top());
 529                                         m_element_position[celServiceInfo].setWidth(area.width()-name_width);
 530                                         m_element_position[celServiceInfo].setHeight(area.height());
 531                                 }
 532
 533                                 if (flags & gPainter::RT_HALIGN_RIGHT)
 534                                         para->realign(eTextPara::dirRight);
 535                                 else if (flags & gPainter::RT_HALIGN_CENTER)
 536                                         para->realign(eTextPara::dirCenter);
 537                                 else if (flags & gPainter::RT_HALIGN_BLOCK)
 538                                         para->realign(eTextPara::dirBlock);
 539
 540                                 if (flags & gPainter::RT_VALIGN_CENTER)
 541                                 {
 542                                         eRect bbox = para->getBoundBox();
 543                                         int vcentered_top = (area.height() - bbox.height()) / 2;
 544                                         yoffs = vcentered_top - bbox.top();
 545                                 }
 546
 547                                 painter.renderPara(para, offset+ePoint(xoffs, yoffs));
 548                         }
 549                         else if (e == celServiceTypePixmap || e == celFolderPixmap || e == celMarkerPixmap)
 550                         {
 551                                 int orbpos = m_cursor->getUnsignedData(4) >> 16;
 552                                 ePtr<gPixmap> &pixmap =
 553                                         (e == celFolderPixmap) ? m_pixmaps[picFolder] :
 554                                         (e == celMarkerPixmap) ? m_pixmaps[picMarker] :
 555                                         (m_cursor->flags & eServiceReference::isGroup) ? m_pixmaps[picServiceGroup] :
 556                                         (orbpos == 0xFFFF) ? m_pixmaps[picDVB_C] :
 557                                         (orbpos == 0xEEEE) ? m_pixmaps[picDVB_T] : m_pixmaps[picDVB_S];
 558                                 if (pixmap)
 559                                 {
 560                                         eSize pixmap_size = pixmap->size();
 561                                         int p = celServiceInfo;
 562                                         if (e == celFolderPixmap)
 563                                                 p = celServiceName;
 564                                         else if (e == celMarkerPixmap)
 565                                                 p = celServiceNumber;
 566                                         eRect area = m_element_position[p];
 567                                         int correction = (area.height() - pixmap_size.height()) / 2;
 568
 569                                         if (isPlayable)
 570                                         {
 571                                                 if (e != celServiceTypePixmap)
 572                                                         continue;
 573                                                 m_element_position[celServiceInfo] = area;
 574                                                 m_element_position[celServiceInfo].setLeft(area.left() + pixmap_size.width() + 8);
 575                                                 m_element_position[celServiceInfo].setWidth(area.width() - pixmap_size.width() - 8);
 576                                         }
 577                                         else if (m_cursor->flags & eServiceReference::isDirectory)
 578                                         {
 579                                                 if (e != celFolderPixmap)
 580                                                         continue;
 581                                                 xoffset = pixmap_size.width() + 8;
 582                                         }
 583                                         else if (m_cursor->flags & eServiceReference::isMarker)
 584                                         {
 585                                                 if (e != celMarkerPixmap)
 586                                                         continue;
 587                                         }
 588                                         else
 589                                                 eFatal("unknown service type in listboxservice");
 590
 591                                         area.moveBy(offset);
 592                                         painter.clip(area);
 593                                         painter.blit(pixmap, offset+ePoint(area.left(), correction), area, gPainter::BT_ALPHATEST);
 594                                         painter.clippop();
 595                                 }
 596                         }
 597                 }
 598
 599                 if (selected)
 600                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 601         }
 602
 603         painter.clippop();
 604 }
 605
 606 void eListboxServiceContent::setIgnoreService( const eServiceReference &service )
 607 {
 608         m_is_playable_ignore=service;
 609 }
 610
 611 int eListboxServiceContent::setItemHeight(int height)
 612 {
 613         m_itemheight = height;
 614         if (m_listbox)
 615                 m_listbox->setItemHeight(height);
 616 }