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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "label.hh"
namespace otk {
OtkLabel::OtkLabel(OtkWidget *parent)
: OtkWidget(parent), _text("")
{
const ScreenInfo *info = OBDisplay::screenInfo(getScreen());
_xftdraw = XftDrawCreate(OBDisplay::display, getWindow(), info->getVisual(),
info->getColormap());
setStyle(getStyle());
}
OtkLabel::~OtkLabel()
{
XftDrawDestroy(_xftdraw);
}
void OtkLabel::setStyle(Style *style)
{
OtkWidget::setStyle(style);
setTexture(getStyle()->getLabelUnfocus());
}
void OtkLabel::update(void)
{
if (_dirty) {
const BFont &ft = getStyle()->getFont();
unsigned int sidemargin = getStyle()->getBevelWidth() * 2;
std::string t = _text; // the actual text to draw
int x = sidemargin; // x coord for the text
// find a string that will fit inside the area for text
int max_length = width() - sidemargin * 2;
if (max_length <= 0) {
t = ""; // can't fit anything
} else {
size_t text_len = t.size();
int length;
do {
t.resize(text_len);
length = ft.measureString(t);
} while (length > max_length && text_len-- > 0);
// justify the text
switch (getStyle()->textJustify()) {
case Style::RightJustify:
x += max_length - length;
break;
case Style::CenterJustify:
x += (max_length - length) / 2;
break;
case Style::LeftJustify:
break;
}
}
OtkWidget::update();
ft.drawString(_xftdraw, x, 0, *getStyle()->getTextUnfocus(), t);
} else
OtkWidget::update();
}
}
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