Dogcows Code - chaz/openbox/blob - src/labelwidget.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 "otk/screeninfo.hh"
   8 #include "otk/display.hh"
   9 #include "labelwidget.hh"
  10
  11 namespace ob {
  12
  13 OBLabelWidget::OBLabelWidget(otk::OtkWidget *parent, OBWidget::WidgetType type)
  14   : otk::OtkWidget(parent),
  15     OBWidget(type)
  16 {
  17   const otk::ScreenInfo *info = otk::OBDisplay::screenInfo(_screen);
  18   _xftdraw = XftDrawCreate(otk::OBDisplay::display, _window, info->visual(),
  19                            info->colormap());
  20 }
  21
  22
  23 OBLabelWidget::~OBLabelWidget()
  24 {
  25   XftDrawDestroy(_xftdraw);
  26 }
  27
  28
  29 void OBLabelWidget::setText(const std::string &text)
  30 {
  31   _text = text;
  32   _dirty = true;
  33 }
  34
  35
  36 void OBLabelWidget::setTextures()
  37 {
  38   if (_focused) {
  39     setTexture(_style->getLabelFocus());
  40     _text_color = _style->getTextFocus();
  41   } else {
  42     setTexture(_style->getLabelUnfocus());
  43     _text_color = _style->getTextUnfocus();
  44   }
  45 }
  46
  47
  48 void OBLabelWidget::setStyle(otk::Style *style)
  49 {
  50   OtkWidget::setStyle(style);
  51   setTextures();
  52   _font = style->getFont();
  53   assert(_font);
  54   _sidemargin = style->getBevelWidth() * 2;
  55   _justify = style->textJustify();
  56 }
  57
  58
  59 void OBLabelWidget::focus()
  60 {
  61   otk::OtkWidget::focus();
  62   setTextures();
  63 }
  64
  65
  66 void OBLabelWidget::unfocus()
  67 {
  68   otk::OtkWidget::unfocus();
  69   setTextures();
  70 }
  71
  72
  73 void OBLabelWidget::update()
  74 {
  75   if (_dirty) {
  76     std::string t = _text;
  77     int x = _sidemargin;    // x coord for the text
  78
  79     // find a string that will fit inside the area for text
  80     int max_length = width() - _sidemargin * 2;
  81     if (max_length <= 0) {
  82       t = ""; // can't fit anything
  83     } else {
  84       size_t text_len = t.size();
  85       int length;
  86
  87       do {
  88         t.resize(text_len);
  89         length = _font->measureString(t);
  90       } while (length > max_length && text_len-- > 0);
  91
  92       // justify the text
  93       switch (_justify) {
  94       case otk::Style::RightJustify:
  95         x += max_length - length;
  96         break;
  97       case otk::Style::CenterJustify:
  98         x += (max_length - length) / 2;
  99         break;
 100       case otk::Style::LeftJustify:
 101         break;
 102       }
 103     }
 104
 105     OtkWidget::update();
 106
 107     _font->drawString(_xftdraw, x, 0, *_text_color, t);
 108   } else
 109     OtkWidget::update();
 110 }
 111
 112
 113 void OBLabelWidget::adjust()
 114 {
 115   // XXX: adjust shit
 116 }
 117
 118 }