BOOL LLButton::handleMouseUp(S32 x, S32 y, MASK mask)
{
// We only handle the click if the click both started and ended within us
if( hasMouseCapture() )
{
// Always release the mouse
gFocusMgr.setMouseCapture( NULL );
/*
* ATTENTION! This call fires another mouse up callback.
* If you wish to remove this call emit that signal directly
* by calling LLUICtrl::mMouseUpSignal(x, y, mask);
*/
LLUICtrl::handleMouseUp(x, y, mask);
LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-55,-55,getPathname());
// Regardless of where mouseup occurs, handle callback
if(mMouseUpSignal) (*mMouseUpSignal)(this, LLSD());
resetMouseDownTimer();
// DO THIS AT THE VERY END to allow the button to be destroyed as a result of being clicked.
// If mouseup in the widget, it's been clicked
if (pointInView(x, y))
{
if (getSoundFlags() & MOUSE_UP)
{
make_ui_sound("UISndClickRelease");
}
if (mIsToggle)
{
toggleState();
}
LLUICtrl::onCommit();
}
}
else
{
childrenHandleMouseUp(x, y, mask);
}
return TRUE;
}
BOOL LLModalDialog::handleMouseUp(S32 x, S32 y, MASK mask)
{
childrenHandleMouseUp(x, y, mask);
return TRUE;
}
BOOL LLScrollbar::handleHover(S32 x, S32 y, MASK mask)
{
// Note: we don't bother sending the event to the children (the arrow buttons)
// because they'll capture the mouse whenever they need hover events.
BOOL handled = FALSE;
if( hasMouseCapture() )
{
S32 height = getRect().getHeight();
S32 width = getRect().getWidth();
if( VERTICAL == mOrientation )
{
// S32 old_pos = mThumbRect.mTop;
S32 delta_pixels = y - mDragStartY;
if( mOrigRect.mBottom + delta_pixels < SCROLLBAR_SIZE )
{
delta_pixels = SCROLLBAR_SIZE - mOrigRect.mBottom - 1;
}
else if( mOrigRect.mTop + delta_pixels > height - SCROLLBAR_SIZE )
{
delta_pixels = height - SCROLLBAR_SIZE - mOrigRect.mTop + 1;
}
mThumbRect.mTop = mOrigRect.mTop + delta_pixels;
mThumbRect.mBottom = mOrigRect.mBottom + delta_pixels;
S32 thumb_length = mThumbRect.getHeight();
S32 thumb_track_length = height - 2 * SCROLLBAR_SIZE;
if( delta_pixels != mLastDelta || mDocChanged)
{
// Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
S32 usable_track_length = thumb_track_length - thumb_length;
if( 0 < usable_track_length )
{
S32 variable_lines = getDocPosMax();
S32 pos = mThumbRect.mTop;
F32 ratio = F32(pos - SCROLLBAR_SIZE - thumb_length) / usable_track_length;
S32 new_pos = llclamp( S32(variable_lines - ratio * variable_lines + 0.5f), 0, variable_lines );
// Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
// out of sync (less than a line's worth) to make the thumb feel responsive.
changeLine( new_pos - mDocPos, FALSE );
}
}
mLastDelta = delta_pixels;
}
else
{
// Horizontal
// S32 old_pos = mThumbRect.mLeft;
S32 delta_pixels = x - mDragStartX;
if( mOrigRect.mLeft + delta_pixels < SCROLLBAR_SIZE )
{
delta_pixels = SCROLLBAR_SIZE - mOrigRect.mLeft - 1;
}
else if( mOrigRect.mRight + delta_pixels > width - SCROLLBAR_SIZE )
{
delta_pixels = width - SCROLLBAR_SIZE - mOrigRect.mRight + 1;
}
mThumbRect.mLeft = mOrigRect.mLeft + delta_pixels;
mThumbRect.mRight = mOrigRect.mRight + delta_pixels;
S32 thumb_length = mThumbRect.getWidth();
S32 thumb_track_length = width - 2 * SCROLLBAR_SIZE;
if( delta_pixels != mLastDelta || mDocChanged)
{
// Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
S32 usable_track_length = thumb_track_length - thumb_length;
if( 0 < usable_track_length )
{
S32 variable_lines = getDocPosMax();
S32 pos = mThumbRect.mLeft;
F32 ratio = F32(pos - SCROLLBAR_SIZE) / usable_track_length;
S32 new_pos = llclamp( S32(ratio * variable_lines + 0.5f), 0, variable_lines);
// Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
// out of sync (less than a line's worth) to make the thumb feel responsive.
changeLine( new_pos - mDocPos, FALSE );
}
}
mLastDelta = delta_pixels;
}
getWindow()->setCursor(UI_CURSOR_ARROW);
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;
handled = TRUE;
}
else
{
handled = childrenHandleMouseUp( x, y, mask ) != NULL;
}
// Opaque
if( !handled )
{
getWindow()->setCursor(UI_CURSOR_ARROW);
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;
handled = TRUE;
}
mDocChanged = FALSE;
return handled;
} // end handleHover