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#include <lib/gui/eslider.h>
eSlider::eSlider(eWidget *parent)
:eWidget(parent), m_have_border_color(false), m_start(0), m_orientation(orHorizontal), m_orientation_swapped(0), m_border_width(0)
{
}
void eSlider::setPixmap(ePtr<gPixmap> &pixmap)
{
setPixmap(pixmap.operator->());
}
void eSlider::setPixmap(gPixmap *pixmap)
{
m_pixmap = pixmap;
event(evtChangedSlider);
}
void eSlider::setBorderWidth(int pixel)
{
m_border_width=pixel;
invalidate();
}
void eSlider::setBorderColor(const gRGB &color)
{
m_border_color=color;
m_have_border_color=true;
invalidate();
}
int eSlider::event(int event, void *data, void *data2)
{
switch (event)
{
case evtPaint:
{
ePtr<eWindowStyle> style;
eSize s(size());
getStyle(style);
/* paint background */
eWidget::event(evtPaint, data, data2);
gPainter &painter = *(gPainter*)data2;
style->setStyle(painter, eWindowStyle::styleLabel); // TODO - own style
if (!m_pixmap)
painter.fill(m_currently_filled);
else
painter.blit(m_pixmap, ePoint(0, 0), m_currently_filled.extends, isTransparent() ? gPainter::BT_ALPHATEST : 0);
// border
if (m_have_border_color)
painter.setForegroundColor(m_border_color);
painter.fill(eRect(0, 0, s.width(), m_border_width));
painter.fill(eRect(0, m_border_width, m_border_width, s.height()-m_border_width));
painter.fill(eRect(m_border_width, s.height()-m_border_width, s.width()-m_border_width, m_border_width));
painter.fill(eRect(s.width()-m_border_width, m_border_width, m_border_width, s.height()-m_border_width));
return 0;
}
case evtChangedSlider:
{
int num_pix = 0, start_pix = 0;
gRegion old_currently_filled = m_currently_filled;
int pixsize = (m_orientation == orHorizontal) ? size().width() : size().height();
if (m_min < m_max)
{
int val_range = m_max - m_min;
num_pix = (pixsize * (m_value - m_start) + val_range - 1) / val_range; /* properly round up */
start_pix = (pixsize * m_start + val_range - 1) / val_range;
if (m_orientation_swapped)
start_pix = pixsize - num_pix - start_pix;
}
if (start_pix < 0)
{
num_pix += start_pix;
start_pix = 0;
}
if (num_pix < 0)
num_pix = 0;
if (m_orientation == orHorizontal)
m_currently_filled = eRect(start_pix, 0, num_pix, pixsize);
else
m_currently_filled = eRect(0, start_pix, pixsize, num_pix);
// redraw what *was* filled before and now isn't.
invalidate(m_currently_filled - old_currently_filled);
// redraw what wasn't filled before and is now.
invalidate(old_currently_filled - m_currently_filled);
return 0;
}
default:
return eWidget::event(event, data, data2);
}
}
void eSlider::setValue(int value)
{
m_value = value;
event(evtChangedSlider);
}
void eSlider::setStartEnd(int start, int end)
{
m_value = end;
m_start = start;
event(evtChangedSlider);
}
void eSlider::setOrientation(int orientation, int swapped)
{
m_orientation = orientation;
m_orientation_swapped = swapped;
event(evtChangedSlider);
}
void eSlider::setRange(int min, int max)
{
m_min = min;
m_max = max;
event(evtChangedSlider);
}
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