void MythUIEditBar::AddMark(MythUIShape *shape, MythUIImage *image,
int start, bool left)
{
MythUIType *add = GetNew(shape, image);
if (add)
{
if (left)
start -= add->GetArea().width();
add->SetPosition(start, add->GetArea().top());
}
}
void MythUIScrollBar::CalculatePosition(void)
{
if (m_maximum > 0)
Show();
else
{
Hide();
return;
}
MythUIType *slider = GetChild("slider");
if (!slider)
{
LOG(VB_GENERAL, LOG_ERR, "Slider element doesn't exist");
return;
}
float percentage = (float)m_sliderPosition / m_maximum;
float relativeSize = (float)m_pageStep / (m_maximum + m_pageStep);
MythRect newSliderArea = slider->GetArea();
MythRect fillArea = GetArea();
QPoint endPos(newSliderArea.left(), newSliderArea.top());
if (m_layout == LayoutHorizontal)
{
int width = qMax((int)(fillArea.width() * relativeSize + 0.5),
m_sliderArea.width());
newSliderArea.setWidth(width);
endPos.setX((int)((fillArea.width() - width) * percentage + 0.5));
}
else
{
int height = qMax((int)(fillArea.height() * relativeSize + 0.5),
m_sliderArea.height());
newSliderArea.setHeight(height);
endPos.setY((int)((fillArea.height() - height) * percentage + 0.5));
}
slider->SetArea(newSliderArea);
slider->SetPosition(endPos);
if (m_hideDelay > 0)
{
if (m_timerId)
killTimer(m_timerId);
m_timerId = startTimer(m_hideDelay);
AdjustAlpha(1, 10, 0, 255);
}
}
void MythUIEditBar::AddBar(MythUIShape *shape, MythUIImage *image,
const QRect &area)
{
MythUIType *add = GetNew(shape, image);
if (add)
{
MythUIShape *shape = dynamic_cast<MythUIShape*>(add);
MythUIImage *image = dynamic_cast<MythUIImage*>(add);
if (shape)
shape->SetCropRect(area.left(), area.top(), area.width(), area.height());
if (image)
image->SetCropRect(area.left(), area.top(), area.width(), area.height());
add->SetPosition(area.left(), area.top());
}
}
void MythUIEditBar::Display(void)
{
QRect keeparea = QRect();
QRect cutarea = QRect();
MythUIType *position = GetChild("position");
MythUIType *keep = GetChild("keep");
MythUIType *cut = GetChild("cut");
MythUIType *cuttoleft = GetChild("cuttoleft");
MythUIType *cuttoright = GetChild("cuttoright");
MythUIType *keeptoleft = GetChild("keeptoleft");
MythUIType *keeptoright = GetChild("keeptoright");
if (position)
position->SetVisible(false);
if (keep)
{
keep->SetVisible(false);
keeparea = keep->GetArea();
}
if (cut)
{
cut->SetVisible(false);
cutarea = cut->GetArea();
}
if (cuttoleft)
cuttoleft->SetVisible(false);
if (cuttoright)
cuttoright->SetVisible(false);
if (keeptoleft)
keeptoleft->SetVisible(false);
if (keeptoright)
keeptoright->SetVisible(false);
if (position && keeparea.isValid())
{
int offset = position->GetArea().width() / 2;
int newx = (int)(((float)keeparea.width() * m_editPosition) + 0.5f);
int newy = position->GetArea().top();
position->SetPosition(newx - offset, newy);
position->SetVisible(true);
}
ClearImages();
if (!m_regions.size())
{
if (keep)
keep->SetVisible(true);
return;
}
MythUIShape *barshape = dynamic_cast<MythUIShape *>(cut);
MythUIImage *barimage = dynamic_cast<MythUIImage *>(cut);
MythUIShape *leftshape = dynamic_cast<MythUIShape *>(cuttoleft);
MythUIImage *leftimage = dynamic_cast<MythUIImage *>(cuttoleft);
MythUIShape *rightshape = dynamic_cast<MythUIShape *>(cuttoright);
MythUIImage *rightimage = dynamic_cast<MythUIImage *>(cuttoright);
QListIterator<QPair<float, float> > regions(m_regions);
while (regions.hasNext() && cutarea.isValid())
{
QPair<float, float> region = regions.next();
int left = (int)((region.first * cutarea.width()) + 0.5f);
int right = (int)((region.second * cutarea.width()) + 0.5f);
if (left >= right)
right = left + 1;
if (cut)
{
AddBar(barshape, barimage, QRect(left, cutarea.top(), right - left,
cutarea.height()));
}
if (cuttoleft && (region.second < 1.0f))
AddMark(leftshape, leftimage, right, true);
if (cuttoright && (region.first > 0.0f))
AddMark(rightshape, rightimage, left, false);
}
CalcInverseRegions();
barshape = dynamic_cast<MythUIShape *>(keep);
barimage = dynamic_cast<MythUIImage *>(keep);
leftshape = dynamic_cast<MythUIShape *>(keeptoleft);
leftimage = dynamic_cast<MythUIImage *>(keeptoleft);
rightshape = dynamic_cast<MythUIShape *>(keeptoright);
rightimage = dynamic_cast<MythUIImage *>(keeptoright);
QListIterator<QPair<float, float> > regions2(m_invregions);
while (regions2.hasNext() && keeparea.isValid())
{
QPair<float, float> region = regions2.next();
int left = (int)((region.first * keeparea.width()) + 0.5f);
int right = (int)((region.second * keeparea.width()) + 0.5f);
if (left >= right)
right = left + 1;
if (keep)
{
AddBar(barshape, barimage, QRect(left, keeparea.top(), right - left,
keeparea.height()));
}
if (keeptoleft && (region.second < 1.0f))
AddMark(leftshape, leftimage, right, true);
if (keeptoright && (region.first > 0.0f))
AddMark(rightshape, rightimage, left, false);
}
if (position)
position->MoveToTop();
}
