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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "label.hh"
   8
   9 namespace otk {
  10
  11 OtkLabel::OtkLabel(OtkWidget *parent)
  12   : OtkWidget(parent), _text("")
  13 {
  14   setTexture(getStyle()->getLabelUnfocus());
  15 }
  16
  17 OtkLabel::~OtkLabel()
  18 {
  19 }
  20
  21 void OtkLabel::update(void)
  22 {
  23   if (_dirty) {
  24     const BFont &ft = getStyle()->getFont();
  25     unsigned int bevel = getStyle()->getBevelWidth();
  26
  27     std::string t = _text; // the actual text to draw
  28     int x = bevel;         // x coord for the text
  29
  30     // find a string that will fit inside the area for text
  31     int max_length = width() - getBevelWidth() * 2;
  32     if (max_length <= 0) {
  33       t = ""; // can't fit anything
  34     } else {
  35       size_t text_len = t.size();
  36       int length;
  37
  38       do {
  39         t.resize(text_len);
  40         length = ft.measureString(t);
  41       } while (length > max_length && text_len-- > 0);
  42
  43       // justify the text
  44       switch (getStyle()->textJustify()) {
  45       case Style::RightJustify:
  46         x += max_length - length;
  47         break;
  48       case Style::CenterJustify:
  49         x += (max_length - length) / 2;
  50         break;
  51       case Style::LeftJustify:
  52         break;
  53       }
  54     }
  55
  56     OtkWidget::update();
  57
  58     ft.drawString(getWindow(), x, bevel, *getStyle()->getTextUnfocus(), t);
  59   } else
  60     OtkWidget::update();
  61 }
  62
  63 }