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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 {
Label::Label(Widget *parent)
: Widget(parent), _text("")
{
setStyle(_style);
}
Label::~Label()
{
}
void Label::setStyle(RenderStyle *style)
{
Widget::setStyle(style);
setTexture(style->labelUnfocusBackground());
}
void Label::fitString(const std::string &str)
{
const Font *ft = style()->labelFont();
fitSize(ft->measureString(str), ft->height());
}
void Label::fitSize(int w, int h)
{
unsigned int sidemargin = style()->bevelWidth() * 2;
resize(w + sidemargin * 2, h);
}
void Label::update()
{
if (_dirty) {
int w = _rect.width(), h = _rect.height();
const Font *ft = style()->labelFont();
unsigned int sidemargin = style()->bevelWidth() * 2;
if (!_fixed_width)
w = ft->measureString(_text) + sidemargin * 2;
if (!_fixed_height)
h = ft->height();
internalResize(w, h);
}
Widget::update();
}
void Label::renderForeground(void)
{
Widget::renderForeground();
const Font *ft = style()->labelFont();
unsigned int sidemargin = style()->bevelWidth() * 2;
ustring 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 (style()->labelTextJustify()) {
case RenderStyle::RightJustify:
x += max_length - length;
break;
case RenderStyle::CenterJustify:
x += (max_length - length) / 2;
break;
case RenderStyle::LeftJustify:
break;
}
}
display->renderControl(_screen)->
drawString(*_surface, *ft, x, 0, *style()->textUnfocusColor(), t);
}
}
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