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

   1 #include <iostream>
   2 #include "focuslabel.hh"
   3
   4 namespace otk {
   5
   6 OtkFocusLabel::OtkFocusLabel(OtkWidget *parent)
   7   : OtkFocusWidget(parent), _text(""), _dirty(false)
   8 {
   9   setTexture(getStyle()->getLabelFocus());
  10   setUnfocusTexture(getStyle()->getLabelUnfocus());
  11 }
  12
  13 OtkFocusLabel::~OtkFocusLabel()
  14 {
  15 }
  16
  17 void OtkFocusLabel::update(void)
  18 {
  19   if (_dirty) {
  20     const BFont &ft = getStyle()->getFont();
  21     BColor *text_color = (isFocused() ? getStyle()->getTextFocus()
  22                           : getStyle()->getTextUnfocus());
  23     unsigned int bevel = getStyle()->getBevelWidth();
  24
  25     std::string t = _text; // the actual text to draw
  26     int x = bevel;         // x coord for the text
  27
  28     // find a string that will fit inside the area for text
  29     int max_length = width() - getBevelWidth() * 2;
  30     if (max_length <= 0) {
  31       t = ""; // can't fit anything
  32     } else {
  33       size_t text_len = t.size();
  34       int length;
  35
  36       do {
  37         t.resize(text_len);
  38         length = ft.measureString(t);
  39       } while (length > max_length && text_len-- > 0);
  40
  41       // justify the text
  42       switch (getStyle()->textJustify()) {
  43       case Style::RightJustify:
  44         x += max_length - length;
  45         break;
  46       case Style::CenterJustify:
  47         x += (max_length - length) / 2;
  48         break;
  49       case Style::LeftJustify:
  50         break;
  51       }
  52     }
  53
  54     OtkFocusWidget::update();
  55
  56     ft.drawString(getWindow(), x, bevel, *text_color, t);
  57   } else
  58     OtkFocusWidget::update();
  59
  60   _dirty = false;
  61 }
  62
  63 int OtkFocusLabel::exposeHandler(const XExposeEvent &e)
  64 {
  65   _dirty = true;
  66   return OtkFocusWidget::exposeHandler(e);
  67 }
  68
  69 int OtkFocusLabel::configureHandler(const XConfigureEvent &e)
  70 {
  71   if (!(e.width == width() && e.height == height()))
  72     _dirty = true;
  73   return OtkFocusWidget::configureHandler(e);
  74 }
  75
  76 }