otk/label.cc (raw)
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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 = _bevel_width * 2; resize(w + sidemargin * 2, h + _bevel_width * 2); } void Label::update() { if (_dirty) { int w = _rect.width(), h = _rect.height(); const Font *ft = style()->labelFont(); unsigned int sidemargin = _bevel_width * 2; if (!_fixed_width) w = ft->measureString(_text) + sidemargin * 2; if (!_fixed_height) h = ft->height(); // enforce a minimum size if (w > _rect.width()) { if (h > _rect.height()) internalResize(w, h); else internalResize(w, _rect.height()); } else if (h > _rect.height()) internalResize(_rect.width(), h); } Widget::update(); } void Label::renderForeground(void) { Widget::renderForeground(); const Font *ft = style()->labelFont(); unsigned int sidemargin = _bevel_width * 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, _bevel_width, *style()->textUnfocusColor(), t); } } |