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#include <lib/gui/elabel.h>
#include <lib/gdi/font.h>
eLabel::eLabel(eWidget *parent, int markedPos): eWidget(parent)
{
m_pos = markedPos;
ePtr<eWindowStyle> style;
getStyle(style);
style->getFont(eWindowStyle::fontStatic, m_font);
/* default to topleft alignment */
m_valign = alignTop;
m_halign = alignLeft;
m_have_foreground_color = 0;
m_have_shadow_color = 0;
m_nowrap = 0;
}
int eLabel::event(int event, void *data, void *data2)
{
switch (event)
{
case evtPaint:
{
ePtr<eWindowStyle> style;
getStyle(style);
eWidget::event(event, data, data2);
gPainter &painter = *(gPainter*)data2;
if (m_pos != -1)
{
style->setStyle(painter, eWindowStyle::styleLabel);
ePtr<eTextPara> para = new eTextPara(eRect(0, 0, size().width(), size().height()));
para->setFont(m_font);
para->renderString(m_text.empty()?0:m_text.c_str(), 0);
if (m_halign == alignLeft)
para->realign(eTextPara::dirLeft);
else if (m_halign == alignCenter)
para->realign(eTextPara::dirCenter);
else if (m_halign == alignRight)
para->realign(eTextPara::dirRight);
else if (m_halign == alignBlock)
para->realign(eTextPara::dirBlock);
int glyphs = para->size();
if (m_pos == -2) { /* All glyphs inverted */
eRect bbox;
int left = 0, right = 0;
for (int i=0; i<glyphs; i++)
para->setGlyphFlag(i, GS_INVERT);
if (glyphs > 0) {
bbox = para->getGlyphBBox(0);
left = bbox.left();
bbox = para->getGlyphBBox(glyphs-1);
right = bbox.left() + bbox.width();
}
bbox = eRect(left, 0, right-left, size().height());
painter.fill(bbox);
} else if ((m_pos < 0) || (m_pos >= glyphs))
eWarning("glyph index %d in eLabel out of bounds!", m_pos);
else
{
para->setGlyphFlag(m_pos, GS_INVERT);
eRect bbox;
bbox = para->getGlyphBBox(m_pos);
bbox = eRect(bbox.left(), 0, bbox.width(), size().height());
painter.fill(bbox);
}
painter.renderPara(para, ePoint(0, 0));
return 0;
} else
{
painter.setFont(m_font);
style->setStyle(painter, eWindowStyle::styleLabel);
if (m_have_shadow_color)
painter.setForegroundColor(m_shadow_color);
else if (m_have_foreground_color)
painter.setForegroundColor(m_foreground_color);
int flags = 0;
if (m_valign == alignTop)
flags |= gPainter::RT_VALIGN_TOP;
else if (m_valign == alignCenter)
flags |= gPainter::RT_VALIGN_CENTER;
else if (m_valign == alignBottom)
flags |= gPainter::RT_VALIGN_BOTTOM;
if (m_halign == alignLeft)
flags |= gPainter::RT_HALIGN_LEFT;
else if (m_halign == alignCenter)
flags |= gPainter::RT_HALIGN_CENTER;
else if (m_halign == alignRight)
flags |= gPainter::RT_HALIGN_RIGHT;
else if (m_halign == alignBlock)
flags |= gPainter::RT_HALIGN_BLOCK;
if (!m_nowrap)
flags |= gPainter::RT_WRAP;
/* if we don't have shadow, m_shadow_offset will be 0,0 */
painter.renderText(eRect(-m_shadow_offset.x(), -m_shadow_offset.y(), size().width(), size().height()), m_text, flags);
if (m_have_shadow_color)
{
if (!m_have_foreground_color)
style->setStyle(painter, eWindowStyle::styleLabel);
else
painter.setForegroundColor(m_foreground_color);
painter.setBackgroundColor(m_shadow_color);
painter.renderText(eRect(0, 0, size().width(), size().height()), m_text, flags);
}
return 0;
}
}
case evtChangedFont:
case evtChangedText:
case evtChangedAlignment:
case evtChangedMarkedPos:
invalidate();
return 0;
default:
return eWidget::event(event, data, data2);
}
}
void eLabel::setText(const std::string &string)
{
if (m_text == string)
return;
m_text = string;
event(evtChangedText);
}
void eLabel::setMarkedPos(int markedPos)
{
m_pos = markedPos;
event(evtChangedMarkedPos);
}
void eLabel::setFont(gFont *font)
{
m_font = font;
event(evtChangedFont);
}
gFont* eLabel::getFont()
{
return m_font;
}
void eLabel::setVAlign(int align)
{
m_valign = align;
event(evtChangedAlignment);
}
void eLabel::setHAlign(int align)
{
m_halign = align;
event(evtChangedAlignment);
}
void eLabel::setForegroundColor(const gRGB &col)
{
if ((!m_have_foreground_color) || !(m_foreground_color == col))
{
m_foreground_color = col;
m_have_foreground_color = 1;
invalidate();
}
}
void eLabel::setShadowColor(const gRGB &col)
{
if ((!m_have_shadow_color) || !(m_shadow_color == col))
{
m_shadow_color = col;
m_have_shadow_color = 1;
invalidate();
}
}
void eLabel::setShadowOffset(const ePoint &offset)
{
m_shadow_offset = offset;
}
void eLabel::setNoWrap(int nowrap)
{
if (m_nowrap != nowrap)
{
m_nowrap = nowrap;
invalidate();
}
}
void eLabel::clearForegroundColor()
{
if (m_have_foreground_color)
{
m_have_foreground_color = 0;
invalidate();
}
}
eSize eLabel::calculateSize()
{
ePtr<eTextPara> p = new eTextPara(eRect(0, 0, size().width(), size().height()));
p->setFont(m_font);
p->renderString(m_text.empty()?0:m_text.c_str(), m_nowrap ? 0 : RS_WRAP);
eRect bbox = p->getBoundBox();
return bbox.size();
}
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