// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
-#ifdef HAVE_CONFIG_H
-# include "../config.h"
-#endif
+#include "config.h"
#include "label.hh"
+#include "display.hh"
+#include "rendercontrol.hh"
+
+#include <string>
namespace otk {
-OtkLabel::OtkLabel(OtkWidget *parent)
- : OtkWidget(parent), _text("")
+Label::Label(Widget *parent)
+ : Widget(parent),
+ _text(""),
+ _justify_horz(RenderStyle::LeftTopJustify),
+ _justify_vert(RenderStyle::LeftTopJustify),
+ _highlight(false)
{
- const ScreenInfo *info = OBDisplay::screenInfo(screen());
- _xftdraw = XftDrawCreate(OBDisplay::display, window(), info->getVisual(),
- info->getColormap());
+ styleChanged(*RenderStyle::style(screen()));
}
-OtkLabel::~OtkLabel()
+Label::~Label()
{
- XftDrawDestroy(_xftdraw);
}
-void OtkLabel::setStyle(Style *style)
+void Label::setHorizontalJustify(RenderStyle::Justify j)
{
- OtkWidget::setStyle(style);
+ _justify_horz = j;
+ refresh();
+}
- setTexture(style->getLabelUnfocus());
+void Label::setVerticalJustify(RenderStyle::Justify j)
+{
+ _justify_vert = j;
+ refresh();
}
+void Label::setHighlighted(bool h)
+{
+ _highlight = h;
+ styleChanged(*RenderStyle::style(screen()));
+ refresh();
+}
-void OtkLabel::update(void)
+void Label::setText(const ustring &text)
{
- if (_dirty) {
- const BFont &ft = style()->getFont();
- unsigned int sidemargin = style()->getBevelWidth() * 2;
+ bool utf = text.utf8();
+ std::string s = text.c_str(); // use a normal string, for its functionality
+
+ _parsedtext.clear();
+ _text = text;
+
+ // 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);
+ std::string s(s.substr(p, (p2==std::string::npos?p2:p2-p)));
- std::string t = _text; // the actual text to draw
+ // turn tabs into spaces (multiples of 8)
+ std::string::size_type t;
+ while ((t = s.find('\t')) != std::string::npos)
+ s.replace(t, 1, std::string(8 - t % 8, ' '));
+
+ _parsedtext.push_back(s);
+ _parsedtext.back().setUtf8(utf);
+ p = (p2==std::string::npos?p2:p2+1);
+ }
+ calcDefaultSizes();
+}
+
+void Label::setFont(const Font *f)
+{
+ _font = f;
+ calcDefaultSizes();
+}
+
+void Label::calcDefaultSizes()
+{
+ int longest = 0;
+ // find the longest line
+ std::vector<ustring>::iterator it, end = _parsedtext.end();
+ for (it = _parsedtext.begin(); it != end; ++it) {
+ int length = _font->measureString(*it);
+ if (length < 0) continue; // lines too long get skipped
+ 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)
+{
+ if (_highlight) {
+ _texture = style.labelFocusBackground();
+ _forecolor = style.textFocusColor();
+ } else {
+ _texture = style.labelUnfocusBackground();
+ _forecolor = style.textUnfocusColor();
+ }
+ if (_font != style.labelFont()) {
+ _font = style.labelFont();
+ calcDefaultSizes();
+ }
+}
+
+void Label::renderForeground(Surface &surface)
+{
+ const RenderControl *control = display->renderControl(screen());
+ int sidemargin = bevel() * 2;
+ int y = bevel();
+ int w = area().width() - borderWidth() * 2 - sidemargin * 2;
+ int h = area().height() - borderWidth() * 2 - bevel() * 2;
+
+ 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
- int max_length = width() - sidemargin * 2;
- if (max_length <= 0) {
- t = ""; // can't fit anything
- } else {
- size_t text_len = t.size();
- int length;
+ ustring::size_type 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()->textJustify()) {
- case Style::RightJustify:
- x += max_length - length;
- break;
- case Style::CenterJustify:
- x += (max_length - length) / 2;
- break;
- case Style::LeftJustify:
- break;
- }
- }
+ do {
+ t.resize(text_len);
+ length = _font->measureString(t);
+ } while (length > w && text_len-- > 0);
+ if (length < 0) continue; // lines too long get skipped
- OtkWidget::update();
+ if (text_len <= 0) continue; // won't fit anything
- ft.drawString(_xftdraw, x, 0, *style()->getTextUnfocus(), t);
- } else
- OtkWidget::update();
+ // justify the text
+ switch (_justify_horz) {
+ case RenderStyle::RightBottomJustify:
+ x += w - length;
+ break;
+ case RenderStyle::CenterJustify:
+ x += (w - length) / 2;
+ break;
+ case RenderStyle::LeftTopJustify:
+ break;
+ }
+
+ control->drawString(surface, *_font, x, y, *_forecolor, t);
+ }
}
}