Dogcows Code - chaz/openbox/blob - otk/focuslabel.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 "focuslabel.hh"
   8 #include "display.hh"
   9 #include "screeninfo.hh"
  10
  11 namespace otk {
  12
  13 FocusLabel::FocusLabel(Widget *parent)
  14   : FocusWidget(parent), _text("")
  15 {
  16 }
  17
  18 FocusLabel::~FocusLabel()
  19 {
  20 }
  21
  22
  23 void FocusLabel::setStyle(Style *style)
  24 {
  25   FocusWidget::setStyle(style);
  26
  27   setTexture(style->getLabelFocus());
  28   setUnfocusTexture(style->getLabelUnfocus());
  29 }
  30
  31
  32 void FocusLabel::update(void)
  33 {
  34   if (_dirty) {
  35     const Font *ft = style()->getFont();
  36     Color *text_color = (isFocused() ? style()->getTextFocus()
  37                           : style()->getTextUnfocus());
  38     unsigned int sidemargin = style()->getBevelWidth() * 2;
  39
  40     ustring t = _text; // the actual text to draw
  41     int x = sidemargin;    // x coord for the text
  42
  43     // find a string that will fit inside the area for text
  44     int max_length = width() - sidemargin * 2;
  45     if (max_length <= 0) {
  46       t = ""; // can't fit anything
  47     } else {
  48       size_t text_len = t.size();
  49       int length;
  50
  51       do {
  52         t.resize(text_len);
  53         length = ft->measureString(t);
  54       } while (length > max_length && text_len-- > 0);
  55
  56       // justify the text
  57       switch (style()->textJustify()) {
  58       case Style::RightJustify:
  59         x += max_length - length;
  60         break;
  61       case Style::CenterJustify:
  62         x += (max_length - length) / 2;
  63         break;
  64       case Style::LeftJustify:
  65         break;
  66       }
  67     }
  68
  69     FocusWidget::update();
  70
  71     display->renderControl(_screen)->
  72       drawString(this, *ft, x, 0, *text_color, t);
  73   } else
  74     FocusWidget::update();
  75 }
  76
  77 }