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 OtkFocusLabel::OtkFocusLabel(OtkWidget *parent)
  14   : OtkFocusWidget(parent), _text("")
  15 {
  16   const ScreenInfo *info = OBDisplay::screenInfo(getScreen());
  17   _xftdraw = XftDrawCreate(OBDisplay::display, getWindow(), info->getVisual(),
  18                            info->getColormap());
  19
  20   setTexture(getStyle()->getLabelFocus());
  21   setUnfocusTexture(getStyle()->getLabelUnfocus());
  22 }
  23
  24 OtkFocusLabel::~OtkFocusLabel()
  25 {
  26   XftDrawDestroy(_xftdraw);
  27 }
  28
  29 void OtkFocusLabel::update(void)
  30 {
  31   if (_dirty) {
  32     const BFont &ft = getStyle()->getFont();
  33     BColor *text_color = (isFocused() ? getStyle()->getTextFocus()
  34                           : getStyle()->getTextUnfocus());
  35     unsigned int bevel = getStyle()->getBevelWidth() / 2;
  36
  37     std::string t = _text; // the actual text to draw
  38     int x = bevel;         // x coord for the text
  39
  40     // find a string that will fit inside the area for text
  41     int max_length = width() - bevel * 2;
  42     if (max_length <= 0) {
  43       t = ""; // can't fit anything
  44     } else {
  45       size_t text_len = t.size();
  46       int length;
  47
  48       do {
  49         t.resize(text_len);
  50         length = ft.measureString(t);
  51       } while (length > max_length && text_len-- > 0);
  52
  53       // justify the text
  54       switch (getStyle()->textJustify()) {
  55       case Style::RightJustify:
  56         x += max_length - length;
  57         break;
  58       case Style::CenterJustify:
  59         x += (max_length - length) / 2;
  60         break;
  61       case Style::LeftJustify:
  62         break;
  63       }
  64     }
  65
  66     OtkFocusWidget::update();
  67
  68     ft.drawString(_xftdraw, x, bevel, *text_color, t);
  69   } else
  70     OtkFocusWidget::update();
  71 }
  72
  73 }