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   setStyle(_style);
  15 }
  16
  17 Label::~Label()
  18 {
  19 }
  20
  21 void Label::setStyle(RenderStyle *style)
  22 {
  23   Widget::setStyle(style);
  24
  25   setTexture(style->labelUnfocusBackground());
  26 }
  27
  28
  29 void Label::renderForeground(void)
  30 {
  31   otk::Widget::renderForeground();
  32
  33   const Font *ft = style()->labelFont();
  34   unsigned int sidemargin = style()->bevelWidth() * 2;
  35
  36   ustring t = _text; // the actual text to draw
  37   int x = sidemargin;    // x coord for the text
  38
  39   // find a string that will fit inside the area for text
  40   int max_length = width() - sidemargin * 2;
  41   if (max_length <= 0) {
  42     t = ""; // can't fit anything
  43   } else {
  44     size_t text_len = t.size();
  45     int length;
  46
  47     do {
  48       t.resize(text_len);
  49       length = ft->measureString(t);
  50     } while (length > max_length && text_len-- > 0);
  51
  52     // justify the text
  53     switch (style()->labelTextJustify()) {
  54     case RenderStyle::RightJustify:
  55       x += max_length - length;
  56       break;
  57     case RenderStyle::CenterJustify:
  58       x += (max_length - length) / 2;
  59       break;
  60     case RenderStyle::LeftJustify:
  61       break;
  62     }
  63   }
  64
  65   display->renderControl(_screen)->
  66     drawString(*_surface, *ft, x, 0, *style()->textUnfocusColor(), t);
  67 }
  68
  69 }