CRect CPlayerSeekBar::GetThumbRect() const
{
const CRect channelRect(GetChannelRect());
long x = channelRect.left + ChannelPointFromPosition(m_rtPos);
long y = channelRect.CenterPoint().y;
return CRect(x - 6, y - 7, x + 7, y + 8);
}
CRect CPlayerSeekBar::GetThumbRect() const
{
const CRect channelRect(GetChannelRect());
const long x = channelRect.left + ChannelPointFromPosition(m_rtPos);
CSize s;
s.cy = m_pMainFrame->m_dpi.ScaleFloorY(5);
s.cx = m_pMainFrame->m_dpi.TransposeScaledY(channelRect.Height()) / 2 + s.cy;
CRect r(x + 1 - s.cx, channelRect.top - s.cy, x + s.cx, channelRect.bottom + s.cy);
return r;
}
void CPlayerSeekBar::OnPaint()
{
CPaintDC dc(this);
COLORREF
dark = GetSysColor(COLOR_GRAYTEXT),
white = GetSysColor(COLOR_WINDOW),
shadow = GetSysColor(COLOR_3DSHADOW),
light = GetSysColor(COLOR_3DHILIGHT),
bkg = GetSysColor(COLOR_BTNFACE);
// Thumb
{
auto& pThumb = m_bEnabled ? m_pEnabledThumb : m_pDisabledThumb;
if (!pThumb) {
CreateThumb(m_bEnabled, dc);
ASSERT(pThumb);
}
CRect r(GetThumbRect());
CRect ri(GetInnerThumbRect(m_bEnabled, r));
CRgn rg, rgi;
VERIFY(rg.CreateRectRgnIndirect(&r));
VERIFY(rgi.CreateRectRgnIndirect(&ri));
ExtSelectClipRgn(dc, rgi, RGN_DIFF);
VERIFY(dc.BitBlt(r.TopLeft().x, r.TopLeft().y, r.Width(), r.Height(), pThumb.get(), 0, 0, SRCCOPY));
ExtSelectClipRgn(dc, rg, RGN_XOR);
m_lastThumbRect = r;
}
const CRect channelRect(GetChannelRect());
// Chapters
if (m_bHasDuration) {
CAutoLock lock(&m_csChapterBag);
if (m_pChapterBag) {
for (DWORD i = 0; i < m_pChapterBag->ChapGetCount(); i++) {
REFERENCE_TIME rtChap;
if (SUCCEEDED(m_pChapterBag->ChapGet(i, &rtChap, nullptr))) {
long chanPos = channelRect.left + ChannelPointFromPosition(rtChap);
CRect r(chanPos, channelRect.top, chanPos + 1, channelRect.bottom);
if (r.right < channelRect.right) {
r.right++;
}
ASSERT(r.right <= channelRect.right);
dc.FillSolidRect(&r, dark);
dc.ExcludeClipRect(&r);
} else {
ASSERT(FALSE);
}
}
}
}
// Channel
{
dc.FillSolidRect(&channelRect, m_bEnabled ? white : bkg);
CRect r(channelRect);
r.InflateRect(1, 1);
dc.Draw3dRect(&r, shadow, light);
dc.ExcludeClipRect(&r);
}
// Background
{
CRect r;
GetClientRect(&r);
dc.FillSolidRect(&r, bkg);
}
}
