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_root = root;
   7
   8         assert(m_service_center);
   9
  10         ePtr<iListableService> lst;
  11         if (m_service_center->list(m_root, lst))
  12                 eDebug("no list available!");
  13         else
  14                 if (lst->getContent(m_list))
  15                         eDebug("getContent failed");
  16
  17         m_size = m_list.size();
  18         cursorHome();
  19 }
  20
  21 void eListboxServiceContent::getCurrent(eServiceReference &ref)
  22 {
  23         if (cursorValid())
  24                 ref = *m_cursor;
  25         else
  26                 ref = eServiceReference();
  27 }
  28
  29 DEFINE_REF(eListboxServiceContent);
  30
  31 eListboxServiceContent::eListboxServiceContent()
  32 {
  33         m_size = 0;
  34         cursorHome();
  35         eServiceCenter::getInstance(m_service_center);
  36 }
  37
  38 void eListboxServiceContent::cursorHome()
  39 {
  40         m_cursor = m_list.begin();
  41         m_cursor_number = 0;
  42 }
  43
  44 void eListboxServiceContent::cursorEnd()
  45 {
  46         m_cursor = m_list.end();
  47         m_cursor_number = m_size;
  48 }
  49
  50 int eListboxServiceContent::cursorMove(int count)
  51 {
  52         if (count > 0)
  53         {
  54                 while (count && (m_cursor != m_list.end()))
  55                 {
  56                         ++m_cursor;
  57                         ++m_cursor_number;
  58                         --count;
  59                 }
  60         } else if (count < 0)
  61         {
  62                 while (count && (m_cursor != m_list.begin()))
  63                 {
  64                         --m_cursor;
  65                         --m_cursor_number;
  66                         ++count;
  67                 }
  68         }
  69
  70         return 0;
  71 }
  72
  73 int eListboxServiceContent::cursorValid()
  74 {
  75         return m_cursor != m_list.end();
  76 }
  77
  78 int eListboxServiceContent::cursorSet(int n)
  79 {
  80         cursorHome();
  81         cursorMove(n);
  82
  83         return 0;
  84 }
  85
  86 int eListboxServiceContent::cursorGet()
  87 {
  88         return m_cursor_number;
  89 }
  90
  91 void eListboxServiceContent::cursorSave()
  92 {
  93         m_saved_cursor = m_cursor;
  94         m_saved_cursor_number = m_cursor_number;
  95 }
  96
  97 void eListboxServiceContent::cursorRestore()
  98 {
  99         m_cursor = m_saved_cursor;
 100         m_cursor_number = m_saved_cursor_number;
 101 }
 102
 103 int eListboxServiceContent::size()
 104 {
 105         return m_size;
 106 }
 107
 108 void eListboxServiceContent::setSize(const eSize &size)
 109 {
 110         m_itemsize = size;
 111 }
 112
 113 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 114 {
 115         ePtr<gFont> fnt = new gFont("Arial", 14);
 116         painter.clip(eRect(offset, m_itemsize));
 117         style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 118         painter.clear();
 119
 120         if (cursorValid())
 121         {
 122                 painter.setFont(fnt);
 123
 124                 ePoint text_offset = offset + (selected ? ePoint(2, 2) : ePoint(1, 1));
 125
 126                         /* get name of service */
 127                 ePtr<iStaticServiceInformation> service_info;
 128                 m_service_center->info(*m_cursor, service_info);
 129                 std::string name = "<n/a>";
 130
 131                 if (service_info)
 132                         service_info->getName(*m_cursor, name);
 133
 134                 painter.renderText(eRect(text_offset, m_itemsize), name);
 135
 136                 if (selected)
 137                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 138         }
 139
 140         painter.clippop();
 141 }
 142