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 int eListboxServiceContent::lookupService(const eServiceReference &ref)
  58 {
  59                 /* shortcut for cursor */
  60         if (ref == *m_cursor)
  61                 return m_cursor_number;
  62                 /* otherwise, search in the list.. */
  63         int index = 0;
  64         for (list::const_iterator i(m_list.begin()); i != m_list.end(); ++i, ++index);
  65
  66                 /* this is ok even when the index was not found. */
  67         return index;
  68 }
  69
  70 DEFINE_REF(eListboxServiceContent);
  71
  72 eListboxServiceContent::eListboxServiceContent()
  73 {
  74         m_size = 0;
  75         cursorHome();
  76         eServiceCenter::getInstance(m_service_center);
  77 }
  78
  79 void eListboxServiceContent::cursorHome()
  80 {
  81         m_cursor = m_list.begin();
  82         m_cursor_number = 0;
  83 }
  84
  85 void eListboxServiceContent::cursorEnd()
  86 {
  87         m_cursor = m_list.end();
  88         m_cursor_number = m_size;
  89 }
  90
  91 int eListboxServiceContent::cursorMove(int count)
  92 {
  93         if (count > 0)
  94         {
  95                 while (count && (m_cursor != m_list.end()))
  96                 {
  97                         ++m_cursor;
  98                         ++m_cursor_number;
  99                         --count;
 100                 }
 101         } else if (count < 0)
 102         {
 103                 while (count && (m_cursor != m_list.begin()))
 104                 {
 105                         --m_cursor;
 106                         --m_cursor_number;
 107                         ++count;
 108                 }
 109         }
 110
 111         return 0;
 112 }
 113
 114 int eListboxServiceContent::cursorValid()
 115 {
 116         return m_cursor != m_list.end();
 117 }
 118
 119 int eListboxServiceContent::cursorSet(int n)
 120 {
 121         cursorHome();
 122         cursorMove(n);
 123
 124         return 0;
 125 }
 126
 127 int eListboxServiceContent::cursorGet()
 128 {
 129         return m_cursor_number;
 130 }
 131
 132 void eListboxServiceContent::cursorSave()
 133 {
 134         m_saved_cursor = m_cursor;
 135         m_saved_cursor_number = m_cursor_number;
 136 }
 137
 138 void eListboxServiceContent::cursorRestore()
 139 {
 140         m_cursor = m_saved_cursor;
 141         m_cursor_number = m_saved_cursor_number;
 142 }
 143
 144 int eListboxServiceContent::size()
 145 {
 146         return m_size;
 147 }
 148
 149 void eListboxServiceContent::setSize(const eSize &size)
 150 {
 151         m_itemsize = size;
 152 }
 153
 154 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 155 {
 156         ePtr<gFont> fnt = new gFont("Arial", 14);
 157         painter.clip(eRect(offset, m_itemsize));
 158         if (cursorValid() && isMarked(*m_cursor))
 159                 style.setStyle(painter, eWindowStyle::styleListboxMarked);
 160         else
 161                 style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 162         painter.clear();
 163
 164         if (cursorValid())
 165         {
 166                 painter.setFont(fnt);
 167
 168                 ePoint text_offset = offset + (selected ? ePoint(2, 2) : ePoint(1, 1));
 169
 170                         /* get name of service */
 171                 ePtr<iStaticServiceInformation> service_info;
 172                 m_service_center->info(*m_cursor, service_info);
 173                 std::string name = "<n/a>";
 174
 175                 if (service_info)
 176                         service_info->getName(*m_cursor, name);
 177
 178                 painter.renderText(eRect(text_offset, m_itemsize), name);
 179
 180                 if (selected)
 181                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 182         }
 183
 184         painter.clippop();
 185 }
 186