117 lines
2.1 KiB
C++
117 lines
2.1 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 "otk/screeninfo.hh"
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#include "otk/display.hh"
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#include "labelwidget.hh"
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namespace ob {
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LabelWidget::LabelWidget(otk::Widget *parent, WidgetBase::WidgetType type)
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: otk::Widget(parent),
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WidgetBase(type)
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{
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}
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LabelWidget::~LabelWidget()
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{
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}
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void LabelWidget::setText(const otk::ustring &text)
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{
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_text = text;
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_dirty = true;
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}
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void LabelWidget::setTextures()
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{
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if (_focused) {
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setTexture(_style->labelFocusBackground());
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_text_color = _style->textFocusColor();
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} else {
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setTexture(_style->labelUnfocusBackground());
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_text_color = _style->textUnfocusColor();
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}
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}
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void LabelWidget::setStyle(otk::RenderStyle *style)
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{
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otk::Widget::setStyle(style);
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setTextures();
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_font = style->labelFont();
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_sidemargin = style->bevelWidth() * 2;
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_justify = style->labelTextJustify();
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assert(_font);
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}
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void LabelWidget::focus()
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{
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otk::Widget::focus();
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setTextures();
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}
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void LabelWidget::unfocus()
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{
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otk::Widget::unfocus();
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setTextures();
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}
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void LabelWidget::renderForeground()
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{
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bool draw = _dirty;
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otk::Widget::renderForeground();
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if (draw) {
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otk::ustring t = _text;
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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 = _font->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 (_justify) {
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case otk::RenderStyle::RightJustify:
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x += max_length - length;
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break;
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case otk::RenderStyle::CenterJustify:
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x += (max_length - length) / 2;
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break;
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case otk::RenderStyle::LeftJustify:
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break;
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}
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}
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otk::display->renderControl(_screen)->drawString
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(*_surface, *_font, x, 0, *_text_color, t);
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}
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}
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void LabelWidget::adjust()
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{
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// nothing to adjust. no children.
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}
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}
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