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 DEFINE_REF(eListboxServiceContent);
  22
  23 eListboxServiceContent::eListboxServiceContent()
  24 {
  25         m_size = 0;
  26         cursorHome();
  27         eServiceCenter::getInstance(m_service_center);
  28 }
  29
  30 void eListboxServiceContent::cursorHome()
  31 {
  32         m_cursor = m_list.begin();
  33         m_cursor_number = 0;
  34 }
  35
  36 void eListboxServiceContent::cursorEnd()
  37 {
  38         m_cursor = m_list.end();
  39         m_cursor_number = m_size;
  40 }
  41
  42 int eListboxServiceContent::cursorMove(int count)
  43 {
  44         if (count > 0)
  45         {
  46                 while (count && (m_cursor != m_list.end()))
  47                 {
  48                         ++m_cursor;
  49                         ++m_cursor_number;
  50                         --count;
  51                 }
  52         } else if (count < 0)
  53         {
  54                 while (count && (m_cursor != m_list.begin()))
  55                 {
  56                         --m_cursor;
  57                         --m_cursor_number;
  58                         ++count;
  59                 }
  60         }
  61
  62         return 0;
  63 }
  64
  65 int eListboxServiceContent::cursorValid()
  66 {
  67         return m_cursor != m_list.end();
  68 }
  69
  70 int eListboxServiceContent::cursorSet(int n)
  71 {
  72         cursorHome();
  73         cursorMove(n);
  74
  75         return 0;
  76 }
  77
  78 int eListboxServiceContent::cursorGet()
  79 {
  80         return m_cursor_number;
  81 }
  82
  83 void eListboxServiceContent::cursorSave()
  84 {
  85         m_saved_cursor = m_cursor;
  86         m_saved_cursor_number = m_cursor_number;
  87 }
  88
  89 void eListboxServiceContent::cursorRestore()
  90 {
  91         m_cursor = m_saved_cursor;
  92         m_cursor_number = m_saved_cursor_number;
  93 }
  94
  95 int eListboxServiceContent::size()
  96 {
  97         return m_size;
  98 }
  99
 100 void eListboxServiceContent::setSize(const eSize &size)
 101 {
 102         m_itemsize = size;
 103 }
 104
 105 void eListboxServiceContent::paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)
 106 {
 107         ePtr<gFont> fnt = new gFont("Arial", 14);
 108         painter.clip(eRect(offset, m_itemsize));
 109         style.setStyle(painter, selected ? eWindowStyle::styleListboxSelected : eWindowStyle::styleListboxNormal);
 110         painter.clear();
 111
 112         if (cursorValid())
 113         {
 114                 painter.setFont(fnt);
 115
 116                 ePoint text_offset = offset + (selected ? ePoint(2, 2) : ePoint(1, 1));
 117
 118                         /* get name of service */
 119                 ePtr<iStaticServiceInformation> service_info;
 120                 m_service_center->info(*m_cursor, service_info);
 121                 std::string name = "<n/a>";
 122
 123                 if (service_info)
 124                         service_info->getName(*m_cursor, name);
 125
 126                 painter.renderText(eRect(text_offset, m_itemsize), name);
 127
 128                 if (selected)
 129                         style.drawFrame(painter, eRect(offset, m_itemsize), eWindowStyle::frameListboxEntry);
 130         }
 131
 132         painter.clippop();
 133 }
 134