lib/service/listboxservice.cpp

   1 #include <lib/service/listboxservice.h>
   2 #include <lib/service/service.h>
   3
   4 void eListboxServiceContent::setRoot(const eServiceReference &root)
   5 {
   6         m_list.clear();
   7         m_root = root;
   8
   9         assert(m_service_center);
  10
  11         ePtr<iListableService> lst;
  12         if (m_service_center->list(m_root, lst))
  13                 eDebug("no list available!");
  14         else
  15                 if (lst->getContent(m_list))
  16                         eDebug("getContent failed");
  17
  18         m_size = m_list.size();
  19         cursorHome();
  20
  21         if (m_listbox)
  22                 m_listbox->entryReset();
  23 }
  24
  25 void eListboxServiceContent::getCurrent(eServiceReference &ref)
  26 {
  27         if (cursorValid())
  28                 ref = *m_cursor;
  29         else
  30                 ref = eServiceReference();
  31 }
  32
  33 void eListboxServiceContent::initMarked()
  34 {
  35         m_marked.clear();
  36 }
  37
  38 void eListboxServiceContent::addMarked(const eServiceReference &ref)
  39 {
  40         m_marked.insert(ref);
  41         if (m_listbox)
  42                 m_listbox->entryChanged(lookupService(ref));
  43 }
  44
  45 void eListboxServiceContent::removeMarked(const eServiceReference &ref)
  46 {
  47         m_marked.erase(ref);
  48         if (m_listbox)
  49                 m_listbox->entryChanged(lookupService(ref));
  50 }
  51
  52 int eListboxServiceContent::isMarked(const eServiceReference &ref)
  53 {
  54         return m_marked.find(ref) != m_marked.end();
  55 }
  56
  57 void eListboxServiceContent::markedQueryStart()
  58 {
  59         m_marked_iterator = m_marked.begin();
  60 }
  61
  62 int eListboxServiceContent::markedQueryNext(eServiceReference &ref)
  63 {
  64         if (m_marked_iterator == m_marked.end())
  65                 return -1;
  66         ref = *m_marked_iterator++;
  67         return 0;
  68 }
  69
  70 int eListboxServiceContent::lookupService(const eServiceReference &ref)
  71 {
  72                 /* shortcut for cursor */
  73         if (ref == *m_cursor)
  74                 return m_cursor_number;
  75                 /* otherwise, search in the list.. */
  76         int index = 0;
  77         for (list::const_iterator i(m_list.begin()); i != m_list.end(); ++i, ++index);
  78
  79                 /* this is ok even when the index was not found. */
  80         return index;
  81 }
  82
  83 void eListboxServiceContent::setVisualMode(int mode)
  84 {
  85         m_visual_mode = mode;
  86
  87         if (m_visual_mode == visModeSimple)
  88         {
  89                 m_element_position[celServiceName] = eRect(ePoint(0, 0), m_itemsize);
  90                 m_element_font[celServiceName] = new gFont("Arial", 14);
  91                 m_element_position[celServiceNumber] = eRect();
  92                 m_element_font[celServiceNumber] = 0;
  93                 m_element_position[celIcon] = eRect();
  94                 m_element_position[celServiceInfo] = eRect();
  95                 m_element_font[celServiceInfo] = 0;
  96         }
  97 }
  98
  99 void eListboxServiceContent::setElementPosition(int element, eRect where)
 100 {
 101         if ((element >= 0) && (element < celElements))
 102                 m_element_position[element] = where;
 103 }
 104
 105 void eListboxServiceContent::setElementFont(int element, gFont *font)
 106 {
 107         if ((element >= 0) && (element < celElements))
 108                 m_element_font[element] = font;
 109 }
 110
 111 DEFINE_REF(eListboxServiceContent);
 112
 113 eListboxServiceContent::eListboxServiceContent()
 114 {
 115         m_visual_mode = visModeSimple;
 116         m_size = 0;
 117         cursorHome();
 118         eServiceCenter::getInstance(m_service_center);
 119 }
 120
 121 void eListboxServiceContent::cursorHome()
 122 {
 123         m_cursor = m_list.begin();
 124         m_cursor_number = 0;
 125 }
 126
 127 void eListboxServiceContent::cursorEnd()
 128 {
 129         m_cursor = m_list.end();
 130         m_cursor_number = m_size;
 131 }
 132
 133 int eListboxServiceContent::cursorMove(int count)
 134 {
 135         if (count > 0)
 136         {
 137                 while (count && (m_cursor != m_list.end()))
 138                 {
 139                         ++m_cursor;
 140                         ++m_cursor_number;
 141                         --count;
 142                 }
 143         } else if (count < 0)
 144         {
 145                 while (count && (m_cursor != m_list.begin()))
 146                 {
 147                         --m_cursor;
 148                         --m_cursor_number;
 149                         ++count;
 150                 }
 151         }
 152
 153         return 0;
 154 }
 155
 156 int eListboxServiceContent::cursorValid()
 157 {
 158         return m_cursor != m_list.end();
 159 }
 160
 161 int eListboxServiceContent::cursorSet(int n)
 162 {
 163         cursorHome();
 164         cursorMove(n);
 165
 166         return 0;
 167 }
 168
 169 int eListboxServiceContent::cursorGet()
 170 {
 171         return m_cursor_number;
 172 }
 173
 174 void eListboxServiceContent::cursorSave()
 175 {
 176         m_saved_cursor = m_cursor;
 177         m_saved_cursor_number = m_cursor_number;
 178 }
 179
 180 void eListboxServiceContent::cursorRestore()
 181 {
 182         m_cursor = m_saved_cursor;
 183         m_cursor_number = m_saved_cursor_number;
 184 }
 185
 186 int eListboxServiceContent::size()
 187 {
 188         return m_size;
 189 }
 190
 191 void eListboxServiceContent::setSize(const eSize &size)
 192 {
 193         m_itemsize = size;
 194         setVisualMode(m_visual_mode);
 195 }
 196
 197 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 198 {
 199         painter.clip(eRect(offset, m_itemsize));
 200         if (cursorValid() && isMarked(*m_cursor))
 201                 style.setStyle(painter, eWindowStyle::styleListboxMarked);
 202         else
 203                 style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 204         painter.clear();
 205
 206         if (cursorValid())
 207         {
 208                         /* get service information */
 209                 ePtr<iStaticServiceInformation> service_info;
 210                 m_service_center->info(*m_cursor, service_info);
 211
 212                 for (int e = 0; e < celElements; ++e)
 213                 {
 214                         if (!m_element_font[e])
 215                                 continue;
 216                         painter.setFont(m_element_font[e]);
 217
 218                         std::string text = "<n/a>";
 219
 220                         switch (e)
 221                         {
 222                         case celServiceName:
 223                         {
 224                                 if (service_info)
 225                                         service_info->getName(*m_cursor, text);
 226                                 break;
 227                         }
 228                         case celServiceNumber:
 229                         {
 230                                 char bla[10];
 231                                 sprintf(bla, "%d", m_cursor_number + 1);
 232                                 text = bla;
 233                                 break;
 234                         }
 235                         case celServiceInfo:
 236                         {
 237                                 text = "now&next";
 238                                 break;
 239                         }
 240                         case celIcon:
 241                                 continue;
 242                         }
 243
 244                         eRect area = m_element_position[e];
 245                         area.moveBy(offset.x(), offset.y());
 246
 247                         painter.renderText(area, text);
 248                 }
 249
 250                 if (selected)
 251                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 252         }
 253
 254         painter.clippop();
 255 }
 256