lib/gui/esubtitle.cpp

   1 #include <lib/gui/esubtitle.h>
   2 #include <lib/gdi/grc.h>
   3
   4         /*
   5                 ok, here's much room for improvements.
   6
   7                 first, the placing of the individual elements is sub-optimal.
   8                 then maybe a colored background would be an option.
   9                 ....
  10         */
  11
  12 eSubtitleWidget::eSubtitleWidget(eWidget *parent)
  13         : eWidget(parent)
  14 {
  15         setBackgroundColor(gRGB(0,0,0,255));
  16 }
  17
  18 void eSubtitleWidget::addPage(const eDVBTeletextSubtitlePage &p)
  19 {
  20         eDebug("ADD Subtitle Page!!");
  21         m_pages.clear();
  22         m_pages.push_back(p);
  23         checkTiming();
  24 }
  25
  26 void eSubtitleWidget::checkTiming()
  27 {
  28         activatePage();
  29 }
  30
  31 void eSubtitleWidget::activatePage()
  32 {
  33         invalidate();
  34 }
  35
  36 int eSubtitleWidget::event(int event, void *data, void *data2)
  37 {
  38         switch (event)
  39         {
  40         case evtPaint:
  41         {
  42                 ePtr<eWindowStyle> style;
  43                 gPainter &painter = *(gPainter*)data2;
  44
  45                 getStyle(style);
  46
  47                 eWidget::event(event, data, data2);
  48                 ePtr<gFont> font = new gFont("Regular", 30);
  49                 painter.setFont(font);
  50
  51                 std::list<eDVBTeletextSubtitlePage>::iterator pi = m_pages.begin();
  52                 if (pi == m_pages.end())
  53                         painter.renderText(eRect(ePoint(0, 0), size()), "waiting for subtitles...", gPainter::RT_WRAP);
  54                 else
  55                 {
  56                         const eDVBTeletextSubtitlePage &page = *pi;
  57                         int elements = page.m_elements.size();
  58                         int height = size().height();
  59                         int size_per_element = height / (elements ? elements : 1);
  60                         for (int i=0; i<elements; ++i)
  61                         {
  62                                 painter.setForegroundColor(gRGB(0,0,0));
  63                                 painter.renderText(eRect(2, size_per_element * i + 2, size().width(), size_per_element), page.m_elements[i].m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
  64                                 painter.setForegroundColor(page.m_elements[i].m_color);
  65                                 painter.renderText(eRect(0, size_per_element * i, size().width(), size_per_element), page.m_elements[i].m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
  66                         }
  67                 }
  68                 return 0;
  69         }
  70         default:
  71                 return eWidget::event(event, data, data2);
  72         }
  73 }