void
_MediaSlider_::SetCurTime(
bigtime_t curTime)
{
fCurTime = curTime;
UpdateThumb(false);
}
bool wxScrollBar::PerformAction(const wxControlAction& action,
long numArg,
const wxString& strArg)
{
int thumbOld = m_thumbPos;
bool notify = false; // send an event about the change?
wxEventType scrollType;
// test for thumb move first as these events happen in quick succession
if ( action == wxACTION_SCROLL_THUMB_MOVE )
{
DoSetThumb(numArg);
// VS: we have to force redraw here, otherwise the thumb will lack
// behind mouse cursor
UpdateThumb();
scrollType = wxEVT_SCROLLWIN_THUMBTRACK;
}
else if ( action == wxACTION_SCROLL_LINE_UP )
{
scrollType = wxEVT_SCROLLWIN_LINEUP;
ScrollLines(-1);
}
else if ( action == wxACTION_SCROLL_LINE_DOWN )
{
scrollType = wxEVT_SCROLLWIN_LINEDOWN;
ScrollLines(1);
}
else if ( action == wxACTION_SCROLL_PAGE_UP )
{
scrollType = wxEVT_SCROLLWIN_PAGEUP;
ScrollPages(-1);
}
else if ( action == wxACTION_SCROLL_PAGE_DOWN )
{
scrollType = wxEVT_SCROLLWIN_PAGEDOWN;
ScrollPages(1);
}
else if ( action == wxACTION_SCROLL_START )
{
scrollType = wxEVT_SCROLLWIN_THUMBRELEASE; // anything better?
ScrollToStart();
}
else if ( action == wxACTION_SCROLL_END )
{
scrollType = wxEVT_SCROLLWIN_THUMBRELEASE; // anything better?
ScrollToEnd();
}
else if ( action == wxACTION_SCROLL_THUMB_DRAG )
{
// we won't use it but this line suppresses the compiler
// warning about "variable may be used without having been
// initialized"
scrollType = wxEVT_NULL;
}
else if ( action == wxACTION_SCROLL_THUMB_RELEASE )
{
// always notify about this
notify = true;
scrollType = wxEVT_SCROLLWIN_THUMBRELEASE;
}
else
return wxControl::PerformAction(action, numArg, strArg);
// has scrollbar position changed?
bool changed = m_thumbPos != thumbOld;
if ( notify || changed )
{
if ( IsStandalone() )
{
// we should generate EVT_SCROLL events for the standalone
// scrollbars and not the EVT_SCROLLWIN ones
//
// NB: we assume that scrollbar events are sequentially numbered
// but this should be ok as other code relies on this as well
scrollType += wxEVT_SCROLL_TOP - wxEVT_SCROLLWIN_TOP;
wxScrollEvent event(scrollType, this->GetId(), m_thumbPos,
IsVertical() ? wxVERTICAL : wxHORIZONTAL);
event.SetEventObject(this);
GetEventHandler()->ProcessEvent(event);
}
else // part of the window
{
wxScrollWinEvent event(scrollType, m_thumbPos,
IsVertical() ? wxVERTICAL : wxHORIZONTAL);
event.SetEventObject(this);
GetParent()->GetEventHandler()->ProcessEvent(event);
}
}
return true;
}
void wxScrollBar::OnInternalIdle()
{
UpdateThumb();
wxControl::OnInternalIdle();
}
void
_MediaSlider_::ResetBitmap()
{
delete (fBitmap);
//delete (fOffscreenView) is done for you implicitly
BRect bounds = Bounds();
bounds.bottom = bounds.top + kSliderHeight - 1.0;
fBitmap = new BBitmap(bounds, B_CMAP8, true);
fOffscreenView = new BView(bounds, B_EMPTY_STRING, 0, 0);
fBitmap->Lock();
fBitmap->AddChild(fOffscreenView);
rgb_color viewColor = ViewColor();
rgb_color dark = tint_color(viewColor, B_DARKEN_1_TINT);
fOffscreenView->BeginLineArray(6);
fOffscreenView->AddLine(bounds.LeftBottom(), bounds.LeftTop(), dark);
fOffscreenView->AddLine(bounds.LeftTop(), bounds.RightTop(), dark);
fOffscreenView->AddLine(bounds.RightTop(), bounds.RightBottom(), kWhite);
fOffscreenView->AddLine(bounds.RightBottom(), bounds.LeftBottom(), kWhite);
bounds.InsetBy(1.0, 1.0);
fOffscreenView->AddLine(bounds.LeftBottom(), bounds.LeftTop(), kBlack);
fOffscreenView->AddLine(bounds.LeftTop(), bounds.RightTop(), kBlack);
fOffscreenView->EndLineArray();
bounds.left++;
bounds.top++;
fOffscreenView->SetLowColor(kSliderBackgroundColor);
fOffscreenView->FillRect(bounds, B_SOLID_LOW);
int32 numInsets = (int32)floor(bounds.Width() / 6);
BRect insetRect = bounds;
insetRect.InsetBy(0.0, 3.0);
insetRect.right = insetRect.left;
fOffscreenView->BeginLineArray(numInsets * 2);
for (int32 i = 0; i < numInsets; i++) {
fOffscreenView->AddLine(insetRect.LeftTop(), insetRect.LeftBottom(), kSliderInsetDarkColor);
insetRect.OffsetBy(1.0, 0.0);
fOffscreenView->AddLine(insetRect.LeftTop(), insetRect.LeftBottom(), kSliderInsetLightColor);
insetRect.OffsetBy(5.0, 0.0);
}
fOffscreenView->EndLineArray();
fOffscreenView->Sync();
fBitmap->Unlock();
UpdateThumb(true);
}
