Dogcows Code - chaz/openbox/blob - otk/focuslabel.cc

   1 #include "focuslabel.hh"
   2
   3 namespace otk {
   4
   5 OtkFocusLabel::OtkFocusLabel(OtkWidget *parent)
   6   : OtkFocusWidget(parent), _text(""), _dirty(false)
   7 {
   8   setTexture(getStyle()->getLabelFocus());
   9   setUnfocusTexture(getStyle()->getLabelUnfocus());
  10 }
  11
  12 OtkFocusLabel::~OtkFocusLabel()
  13 {
  14 }
  15
  16 void OtkFocusLabel::update(void)
  17 {
  18   if (_dirty) {
  19     const BFont &ft = getStyle()->getFont();
  20     BColor *text_color = (isFocused() ? getStyle()->getTextFocus()
  21                           : getStyle()->getTextUnfocus());
  22     unsigned int bevel = getStyle()->getBevelWidth();
  23
  24     std::string t = _text; // the actual text to draw
  25     int x = bevel;         // x coord for the text
  26
  27     // find a string that will fit inside the area for text
  28     int max_length = width() - getBevelWidth() * 2;
  29     if (max_length <= 0) {
  30       t = ""; // can't fit anything
  31     } else {
  32       size_t text_len = t.size();
  33       int length;
  34
  35       do {
  36         t.resize(text_len);
  37         length = ft.measureString(t);
  38       } while (length > max_length && text_len-- > 0);
  39
  40       // justify the text
  41       switch (getStyle()->textJustify()) {
  42       case Style::RightJustify:
  43         x += max_length - length;
  44         break;
  45       case Style::CenterJustify:
  46         x += (max_length - length) / 2;
  47         break;
  48       case Style::LeftJustify:
  49         break;
  50       }
  51     }
  52
  53     OtkFocusWidget::update();
  54
  55     ft.drawString(getWindow(), x, bevel, *text_color, t);
  56   } else
  57     OtkFocusWidget::update();
  58
  59   _dirty = false;
  60 }
  61
  62 int OtkFocusLabel::exposeHandler(const XExposeEvent &e)
  63 {
  64   _dirty = true;
  65   return OtkFocusWidget::exposeHandler(e);
  66 }
  67
  68 int OtkFocusLabel::configureHandler(const XConfigureEvent &e)
  69 {
  70   if (!(e.width == width() && e.height == height()))
  71     _dirty = true;
  72   return OtkFocusWidget::configureHandler(e);
  73 }
  74
  75 }