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   setStyle(_style);
  17 }
  18
  19 FocusLabel::~FocusLabel()
  20 {
  21 }
  22
  23
  24 void FocusLabel::setStyle(RenderStyle *style)
  25 {
  26   FocusWidget::setStyle(style);
  27
  28   setTexture(style->labelFocusBackground());
  29   setUnfocusTexture(style->labelUnfocusBackground());
  30 }
  31
  32
  33 void FocusLabel::renderForeground()
  34 {
  35   otk::Widget::renderForeground();
  36
  37   const Font *ft = style()->labelFont();
  38   RenderColor *text_color = (isFocused() ? style()->textFocusColor()
  39                              : style()->textUnfocusColor());
  40   unsigned int sidemargin = style()->bevelWidth() * 2;
  41
  42   ustring t = _text; // the actual text to draw
  43   int x = sidemargin;    // x coord for the text
  44
  45   // find a string that will fit inside the area for text
  46   int max_length = width() - sidemargin * 2;
  47   if (max_length <= 0) {
  48     t = ""; // can't fit anything
  49   } else {
  50     size_t text_len = t.size();
  51     int length;
  52
  53     do {
  54       t.resize(text_len);
  55       length = ft->measureString(t);
  56     } while (length > max_length && text_len-- > 0);
  57
  58     // justify the text
  59     switch (style()->labelTextJustify()) {
  60     case RenderStyle::RightJustify:
  61       x += max_length - length;
  62       break;
  63     case RenderStyle::CenterJustify:
  64       x += (max_length - length) / 2;
  65       break;
  66     case RenderStyle::LeftJustify:
  67       break;
  68     }
  69   }
  70
  71   display->renderControl(_screen)->
  72     drawString(*_surface, *ft, x, 0, *text_color, t);
  73 }
  74
  75 }