code.vuplus.com Git - vuplus_dvbapp/blob - 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 DEFINE_REF(eListboxServiceContent);
  34
  35 eListboxServiceContent::eListboxServiceContent()
  36 {
  37         m_size = 0;
  38         cursorHome();
  39         eServiceCenter::getInstance(m_service_center);
  40 }
  41
  42 void eListboxServiceContent::cursorHome()
  43 {
  44         m_cursor = m_list.begin();
  45         m_cursor_number = 0;
  46 }
  47
  48 void eListboxServiceContent::cursorEnd()
  49 {
  50         m_cursor = m_list.end();
  51         m_cursor_number = m_size;
  52 }
  53
  54 int eListboxServiceContent::cursorMove(int count)
  55 {
  56         if (count > 0)
  57         {
  58                 while (count && (m_cursor != m_list.end()))
  59                 {
  60                         ++m_cursor;
  61                         ++m_cursor_number;
  62                         --count;
  63                 }
  64         } else if (count < 0)
  65         {
  66                 while (count && (m_cursor != m_list.begin()))
  67                 {
  68                         --m_cursor;
  69                         --m_cursor_number;
  70                         ++count;
  71                 }
  72         }
  73
  74         return 0;
  75 }
  76
  77 int eListboxServiceContent::cursorValid()
  78 {
  79         return m_cursor != m_list.end();
  80 }
  81
  82 int eListboxServiceContent::cursorSet(int n)
  83 {
  84         cursorHome();
  85         cursorMove(n);
  86
  87         return 0;
  88 }
  89
  90 int eListboxServiceContent::cursorGet()
  91 {
  92         return m_cursor_number;
  93 }
  94
  95 void eListboxServiceContent::cursorSave()
  96 {
  97         m_saved_cursor = m_cursor;
  98         m_saved_cursor_number = m_cursor_number;
  99 }
 100
 101 void eListboxServiceContent::cursorRestore()
 102 {
 103         m_cursor = m_saved_cursor;
 104         m_cursor_number = m_saved_cursor_number;
 105 }
 106
 107 int eListboxServiceContent::size()
 108 {
 109         return m_size;
 110 }
 111
 112 void eListboxServiceContent::setSize(const eSize &size)
 113 {
 114         m_itemsize = size;
 115 }
 116
 117 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 118 {
 119         ePtr<gFont> fnt = new gFont("Arial", 14);
 120         painter.clip(eRect(offset, m_itemsize));
 121         style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 122         painter.clear();
 123
 124         if (cursorValid())
 125         {
 126                 painter.setFont(fnt);
 127
 128                 ePoint text_offset = offset + (selected ? ePoint(2, 2) : ePoint(1, 1));
 129
 130                         /* get name of service */
 131                 ePtr<iStaticServiceInformation> service_info;
 132                 m_service_center->info(*m_cursor, service_info);
 133                 std::string name = "<n/a>";
 134
 135                 if (service_info)
 136                         service_info->getName(*m_cursor, name);
 137
 138                 painter.renderText(eRect(text_offset, m_itemsize), name);
 139
 140                 if (selected)
 141                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 142         }
 143
 144         painter.clippop();
 145 }
 146