#endif
#include "label.hh"
+#include "display.hh"
+#include "rendercontrol.hh"
+
+#include <string>
namespace otk {
Label::Label(Widget *parent)
- : Widget(parent), _text("")
+ : Widget(parent),
+ _text(""),
+ _justify_horz(RenderStyle::LeftTopJustify),
+ _justify_vert(RenderStyle::LeftTopJustify)
{
+ styleChanged(*RenderStyle::style(screen()));
}
Label::~Label()
{
}
-void Label::setStyle(RenderStyle *style)
+void Label::setHorizontalJustify(RenderStyle::Justify j)
{
- Widget::setStyle(style);
+ _justify_horz = j;
+ refresh();
+}
- setTexture(style->labelUnfocusBackground());
+void Label::setVerticalJustify(RenderStyle::Justify j)
+{
+ _justify_vert = j;
+ refresh();
}
+void Label::setText(const ustring &text)
+{
+ bool utf = text.utf8();
+ std::string s = text.c_str(); // use a normal string, for its functionality
+
+ _parsedtext.clear();
+
+ // parse it into multiple lines
+ std::string::size_type p = 0;
+ while (p != std::string::npos) {
+ std::string::size_type p2 = s.find('\n', p);
+ _parsedtext.push_back(s.substr(p, (p2==std::string::npos?p2:p2-p)));
+ _parsedtext.back().setUtf8(utf);
+ p = (p2==std::string::npos?p2:p2+1);
+ }
+ calcDefaultSizes();
+}
-void Label::renderForeground(void)
+void Label::setFont(const Font *f)
{
- otk::Widget::renderForeground();
+ _font = f;
+ calcDefaultSizes();
+}
- const Font *ft = style()->labelFont();
- unsigned int sidemargin = style()->bevelWidth() * 2;
+void Label::calcDefaultSizes()
+{
+ unsigned int longest = 0;
+ // find the longest line
+ std::vector<ustring>::iterator it, end = _parsedtext.end();
+ for (it = _parsedtext.begin(); it != end; ++it) {
+ unsigned int length = _font->measureString(*it);
+ if (length > longest) longest = length;
+ }
+ setMinSize(Size(longest + borderWidth() * 2 + bevel() * 4,
+ _parsedtext.size() * _font->height() + borderWidth() * 2 +
+ bevel() * 2));
+}
+
+void Label::styleChanged(const RenderStyle &style)
+{
+ _texture = style.labelFocusBackground();
+ _forecolor = style.textFocusColor();
+ _font = style.labelFont();
+ Widget::styleChanged(style);
+ calcDefaultSizes();
+}
- ustring t = _text; // the actual text to draw
- int x = sidemargin; // x coord for the text
+void Label::renderForeground(Surface &surface)
+{
+ const RenderControl *control = display->renderControl(screen());
+ unsigned int sidemargin = bevel() * 2;
+ int y = bevel();
+ unsigned int w = area().width() - borderWidth() * 2 - sidemargin * 2;
+ unsigned int h = area().height() - borderWidth() * 2 - bevel() * 2;
- // 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;
+ switch (_justify_vert) {
+ case RenderStyle::RightBottomJustify:
+ y += h - (_parsedtext.size() * _font->height());
+ if (y < bevel()) y = bevel();
+ break;
+ case RenderStyle::CenterJustify:
+ y += (h - (_parsedtext.size() * _font->height())) / 2;
+ if (y < bevel()) y = bevel();
+ break;
+ case RenderStyle::LeftTopJustify:
+ break;
+ }
+
+ if (w <= 0) return; // can't fit anything
+
+ std::vector<ustring>::iterator it, end = _parsedtext.end();
+ for (it = _parsedtext.begin(); it != end; ++it, y += _font->height()) {
+ ustring t = *it; // the actual text to draw
+ int x = sidemargin; // x coord for the text
+
+ // find a string that will fit inside the area for text
+ ustring::size_type text_len = t.size();
+ unsigned int length;
do {
t.resize(text_len);
- length = ft->measureString(t);
- } while (length > max_length && text_len-- > 0);
+ length = _font->measureString(t);
+ } while (length > w && text_len-- > 0);
+
+ if (text_len <= 0) continue; // won't fit anything
// justify the text
- switch (style()->labelTextJustify()) {
- case RenderStyle::RightJustify:
- x += max_length - length;
+ switch (_justify_horz) {
+ case RenderStyle::RightBottomJustify:
+ x += w - length;
break;
case RenderStyle::CenterJustify:
- x += (max_length - length) / 2;
+ x += (w - length) / 2;
break;
- case RenderStyle::LeftJustify:
+ case RenderStyle::LeftTopJustify:
break;
}
- }
-
- display->renderControl(_screen)->
- drawString(*_surface, *ft, x, 0, *style()->textUnfocusColor(), t);
+
+ control->drawString(surface, *_font, x, y, *_forecolor, t);
+ }
}
}