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 Label::Label(Widget *parent)
  12   : Widget(parent), _text("")
  13 {
  14 }
  15
  16 Label::~Label()
  17 {
  18 }
  19
  20 void Label::setStyle(RenderStyle *style)
  21 {
  22   Widget::setStyle(style);
  23
  24   setTexture(style->labelUnfocusBackground());
  25 }
  26
  27
  28 void Label::renderForeground(void)
  29 {
  30   otk::Widget::renderForeground();
  31
  32   const Font *ft = style()->labelFont();
  33   unsigned int sidemargin = style()->bevelWidth() * 2;
  34
  35   ustring t = _text; // the actual text to draw
  36   int x = sidemargin;    // x coord for the text
  37
  38   // find a string that will fit inside the area for text
  39   int max_length = width() - sidemargin * 2;
  40   if (max_length <= 0) {
  41     t = ""; // can't fit anything
  42   } else {
  43     size_t text_len = t.size();
  44     int length;
  45
  46     do {
  47       t.resize(text_len);
  48       length = ft->measureString(t);
  49     } while (length > max_length && text_len-- > 0);
  50
  51     // justify the text
  52     switch (style()->labelTextJustify()) {
  53     case RenderStyle::RightJustify:
  54       x += max_length - length;
  55       break;
  56     case RenderStyle::CenterJustify:
  57       x += (max_length - length) / 2;
  58       break;
  59     case RenderStyle::LeftJustify:
  60       break;
  61     }
  62   }
  63
  64   display->renderControl(_screen)->
  65     drawString(*_surface, *ft, x, 0, *style()->textUnfocusColor(), t);
  66 }
  67
  68 }