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otk::Label Class Reference

#include <label.hh>

Inheritance diagram for otk::Label:

[legend]Collaboration diagram for otk::Label:

[legend]List of all members.

Public Methods
	Label (Widget *parent)
	~Label ()
const ustring &	getText (void) const
void	setText (const ustring &text)
virtual void	renderForeground (void)
virtual void	update ()
void	fitString (const std::string &str)
void	fitSize (int w, int h)
virtual void	setStyle (RenderStyle *style)
Private Attributes
ustring	_text
	Text to be displayed in the label.
ustring	_drawtext
	The actual text being shown, may be a subset of _text.
int	_drawx
	The drawing offset for the text.

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Constructor & Destructor Documentation

otk::Label::Label (  Widget *    parent )

Definition at line 11 of file label.cc. References setStyle(). : Widget(parent), _text("") { setStyle(_style); }

otk::Label::~Label (    )

Definition at line 17 of file label.cc. { }

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Member Function Documentation

void otk::Label::fitSize (  int    w, int    h )

Definition at line 34 of file label.cc. References otk::RenderStyle::bevelWidth(), otk::Widget::resize(), and otk::Widget::style(). Referenced by fitString(). { unsigned int sidemargin = style()->bevelWidth() * 2; resize(w + sidemargin * 2, h); }

void otk::Label::fitString (  const std::string &    str )

Definition at line 28 of file label.cc. References fitSize(), otk::Font::height(), otk::RenderStyle::labelFont(), otk::Font::measureString(), and otk::Widget::style(). { const Font *ft = style()->labelFont(); fitSize(ft->measureString(str), ft->height()); }

const ustring& otk::Label::getText (  void    )  const [inline]

Definition at line 16 of file label.hh. References _text. { return _text; }

void otk::Label::renderForeground (  void    )  [virtual]

Reimplemented from otk::Widget. Definition at line 64 of file label.cc. References _text, otk::RenderStyle::bevelWidth(), otk::display, otk::RenderStyle::labelFont(), otk::RenderStyle::labelTextJustify(), otk::Font::measureString(), otk::Display::renderControl(), otk::ustring::resize(), otk::ustring::size(), otk::Widget::style(), and otk::Widget::width(). { 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); }

void otk::Label::setStyle (  RenderStyle *    style )  [virtual]

Reimplemented from otk::Widget. Definition at line 21 of file label.cc. References otk::RenderStyle::labelUnfocusBackground(), and otk::Widget::setTexture(). Referenced by Label(). { Widget::setStyle(style); setTexture(style->labelUnfocusBackground()); }

void otk::Label::setText (  const ustring &    text )  [inline]

Definition at line 17 of file label.hh. References otk::Widget::_dirty, and _text. { _text = text; _dirty = true; }

void otk::Label::update (    )  [virtual]

Reimplemented from otk::Widget. Definition at line 40 of file label.cc. References otk::Widget::_fixed_height, otk::Widget::_fixed_width, otk::Widget::_rect, otk::RenderStyle::bevelWidth(), otk::Font::height(), otk::Rect::height(), otk::Widget::internalResize(), otk::RenderStyle::labelFont(), otk::Font::measureString(), otk::Widget::style(), and otk::Rect::width(). { 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(); // 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(); }

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Member Data Documentation

ustring otk::Label::_drawtext [private]

The actual text being shown, may be a subset of _text. Definition at line 32 of file label.hh.

int otk::Label::_drawx [private]

The drawing offset for the text. Definition at line 34 of file label.hh.

ustring otk::Label::_text [private]

Text to be displayed in the label. Definition at line 30 of file label.hh. Referenced by getText(), renderForeground(), and setText().

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The documentation for this class was generated from the following files:

• /otk/label.hh
• /otk/label.cc

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