NS_IMETHODIMP
nsScrollbarButtonFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
// XXX hack until handle release is actually called in nsframe.
if (aEvent->message == NS_MOUSE_EXIT_SYNTH|| aEvent->message == NS_MOUSE_RIGHT_BUTTON_UP || aEvent->message == NS_MOUSE_LEFT_BUTTON_UP)
HandleRelease(aPresContext, aEvent, aEventStatus);
return nsButtonBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
NS_IMETHODIMP
nsScrollbarButtonFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
// XXX hack until handle release is actually called in nsframe.
if (aEvent->message == NS_MOUSE_EXIT_SYNTH ||
aEvent->message == NS_MOUSE_BUTTON_UP)
HandleRelease(aPresContext, aEvent, aEventStatus);
// if we didn't handle the press ourselves, pass it on to the superclass
if (!HandleButtonPress(aPresContext, aEvent, aEventStatus))
return nsButtonBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
return NS_OK;
}
void CChannelHandler::HandleNoteData(stChanNote *pNoteData, int EffColumns)
{
int LastInstrument = m_iInstrument;
int Instrument = pNoteData->Instrument;
int Note = pNoteData->Note;
// Clear the note cut effect
if (pNoteData->Note != NONE) {
m_iNoteCut = 0;
}
// Effects
for (int n = 0; n < EffColumns; n++) {
unsigned char EffNum = pNoteData->EffNumber[n];
unsigned char EffParam = pNoteData->EffParam[n];
HandleCustomEffects(EffNum, EffParam);
}
// Instrument
if (Note == HALT || Note == RELEASE)
Instrument = MAX_INSTRUMENTS; // Ignore instrument for release and halt commands
if (Instrument != MAX_INSTRUMENTS)
m_iInstrument = Instrument;
bool Trigger = (Note != NONE) && (Note != HALT) && (Note != RELEASE);
bool NewInstrument = (m_iInstrument != LastInstrument) || (m_iInstrument == MAX_INSTRUMENTS);
if (m_iInstrument == MAX_INSTRUMENTS) {
// No instrument selected, default to 0
m_iInstrument = 0;
}
if (NewInstrument || Trigger) {
if (!HandleInstrument(m_iInstrument, Trigger, NewInstrument))
return;
}
// Volume
if (pNoteData->Vol < 0x10) {
m_iVolume = pNoteData->Vol << VOL_SHIFT;
}
// Clear release flag
if (pNoteData->Note != RELEASE && pNoteData->Note != NONE) {
m_bRelease = false;
}
// Note
switch (pNoteData->Note) {
case NONE:
HandleEmptyNote();
break;
case HALT:
HandleHalt();
break;
case RELEASE:
HandleRelease();
break;
default:
HandleNote(pNoteData->Note, pNoteData->Octave);
break;
}
}
NS_IMETHODIMP
nsSliderFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
NS_ENSURE_ARG_POINTER(aEventStatus);
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
return NS_OK;
}
nsIBox* scrollbarBox = GetScrollbar();
nsCOMPtr<nsIContent> scrollbar;
scrollbar = GetContentOfBox(scrollbarBox);
PRBool isHorizontal = IsHorizontal();
if (isDraggingThumb())
{
switch (aEvent->message) {
case NS_MOUSE_MOVE: {
nsPoint eventPoint = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent,
this);
if (mChange) {
// We're in the process of moving the thumb to the mouse,
// but the mouse just moved. Make sure to update our
// destination point.
mDestinationPoint = eventPoint;
StopRepeat();
StartRepeat();
break;
}
nscoord pos = isHorizontal ? eventPoint.x : eventPoint.y;
nsIFrame* thumbFrame = mFrames.FirstChild();
if (!thumbFrame) {
return NS_OK;
}
// take our current position and subtract the start location
pos -= mDragStart;
PRBool isMouseOutsideThumb = PR_FALSE;
if (gSnapMultiplier) {
nsSize thumbSize = thumbFrame->GetSize();
if (isHorizontal) {
// horizontal scrollbar - check if mouse is above or below thumb
// XXXbz what about looking at the .y of the thumb's rect? Is that
// always zero here?
if (eventPoint.y < -gSnapMultiplier * thumbSize.height ||
eventPoint.y > thumbSize.height +
gSnapMultiplier * thumbSize.height)
isMouseOutsideThumb = PR_TRUE;
}
else {
// vertical scrollbar - check if mouse is left or right of thumb
if (eventPoint.x < -gSnapMultiplier * thumbSize.width ||
eventPoint.x > thumbSize.width +
gSnapMultiplier * thumbSize.width)
isMouseOutsideThumb = PR_TRUE;
}
}
if (isMouseOutsideThumb)
{
SetCurrentThumbPosition(scrollbar, mThumbStart, PR_FALSE, PR_TRUE, PR_FALSE);
return NS_OK;
}
// set it
SetCurrentThumbPosition(scrollbar, pos, PR_FALSE, PR_TRUE, PR_TRUE); // with snapping
}
break;
case NS_MOUSE_BUTTON_UP:
if (static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eLeftButton ||
(static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eMiddleButton &&
gMiddlePref)) {
// stop capturing
AddListener();
DragThumb(PR_FALSE);
if (mChange) {
StopRepeat();
mChange = 0;
}
//we MUST call nsFrame HandleEvent for mouse ups to maintain the selection state and capture state.
return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
}
//return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
return NS_OK;
} else if ((aEvent->message == NS_MOUSE_BUTTON_DOWN &&
static_cast<nsMouseEvent*>(aEvent)->button ==
nsMouseEvent::eLeftButton &&
#ifdef XP_MACOSX
// On Mac the option key inverts the scroll-to-here preference.
(static_cast<nsMouseEvent*>(aEvent)->isAlt != GetScrollToClick())) ||
#else
(static_cast<nsMouseEvent*>(aEvent)->isShift != GetScrollToClick())) ||
#endif
(gMiddlePref && aEvent->message == NS_MOUSE_BUTTON_DOWN &&
static_cast<nsMouseEvent*>(aEvent)->button ==
nsMouseEvent::eMiddleButton)) {
nsPoint eventPoint = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent,
this);
nscoord pos = isHorizontal ? eventPoint.x : eventPoint.y;
// adjust so that the middle of the thumb is placed under the click
nsIFrame* thumbFrame = mFrames.FirstChild();
if (!thumbFrame) {
return NS_OK;
}
nsSize thumbSize = thumbFrame->GetSize();
nscoord thumbLength = isHorizontal ? thumbSize.width : thumbSize.height;
// set it
nsWeakFrame weakFrame(this);
// should aMaySnap be PR_TRUE here?
SetCurrentThumbPosition(scrollbar, pos - thumbLength/2, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ENSURE_TRUE(weakFrame.IsAlive(), NS_OK);
DragThumb(PR_TRUE);
if (isHorizontal)
mThumbStart = thumbFrame->GetPosition().x;
else
mThumbStart = thumbFrame->GetPosition().y;
mDragStart = pos - mThumbStart;
}
// XXX hack until handle release is actually called in nsframe.
// if (aEvent->message == NS_MOUSE_EXIT_SYNTH || aEvent->message == NS_MOUSE_RIGHT_BUTTON_UP || aEvent->message == NS_MOUSE_LEFT_BUTTON_UP)
// HandleRelease(aPresContext, aEvent, aEventStatus);
if (aEvent->message == NS_MOUSE_EXIT_SYNTH && mChange)
HandleRelease(aPresContext, aEvent, aEventStatus);
return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
