104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
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#ifdef HAVE_CONFIG_H
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# include "../config.h"
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#endif
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#include "label.hh"
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namespace otk {
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Label::Label(Widget *parent)
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: Widget(parent), _text("")
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{
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setStyle(_style);
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}
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Label::~Label()
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{
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}
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void Label::setStyle(RenderStyle *style)
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{
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Widget::setStyle(style);
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setTexture(style->labelUnfocusBackground());
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}
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void Label::fitString(const std::string &str)
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{
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const Font *ft = style()->labelFont();
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fitSize(ft->measureString(str), ft->height());
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}
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void Label::fitSize(int w, int h)
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{
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unsigned int sidemargin = _bevel_width * 2;
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resize(w + sidemargin * 2, h + _bevel_width * 2);
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}
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void Label::update()
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{
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if (_dirty) {
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int w = _rect.width(), h = _rect.height();
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const Font *ft = style()->labelFont();
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unsigned int sidemargin = _bevel_width * 2;
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if (!_fixed_width)
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w = ft->measureString(_text) + sidemargin * 2;
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if (!_fixed_height)
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h = ft->height();
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// enforce a minimum size
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if (w > _rect.width()) {
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if (h > _rect.height())
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internalResize(w, h);
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else
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internalResize(w, _rect.height());
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} else if (h > _rect.height())
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internalResize(_rect.width(), h);
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}
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Widget::update();
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}
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void Label::renderForeground(void)
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{
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Widget::renderForeground();
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const Font *ft = style()->labelFont();
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unsigned int sidemargin = _bevel_width * 2;
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ustring t = _text; // the actual text to draw
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int x = sidemargin; // x coord for the text
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// find a string that will fit inside the area for text
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int max_length = width() - sidemargin * 2;
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if (max_length <= 0) {
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t = ""; // can't fit anything
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} else {
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size_t text_len = t.size();
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int length;
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do {
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t.resize(text_len);
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length = ft->measureString(t);
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} while (length > max_length && text_len-- > 0);
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// justify the text
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switch (style()->labelTextJustify()) {
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case RenderStyle::RightJustify:
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x += max_length - length;
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break;
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case RenderStyle::CenterJustify:
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x += (max_length - length) / 2;
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break;
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case RenderStyle::LeftJustify:
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break;
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}
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}
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display->renderControl(_screen)->
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drawString(*_surface, *ft, x, _bevel_width, *style()->textUnfocusColor(), t);
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}
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}
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