BOOL LLSlider::handleMouseDown(S32 x, S32 y, MASK mask)
{
// only do sticky-focus on non-chrome widgets
if (!getIsChrome())
{
setFocus(TRUE);
}
if (mMouseDownSignal)
(*mMouseDownSignal)( this, getValueF32() );
if (MASK_CONTROL & mask) // if CTRL is modifying
{
setValueAndCommit(mInitialValue);
}
else
{
// Find the offset of the actual mouse location from the center of the thumb.
if (mThumbRect.pointInRect(x,y))
{
mMouseOffset = (mThumbRect.mLeft + mThumbImage->getWidth()/2) - x;
}
else
{
mMouseOffset = 0;
}
// Start dragging the thumb
// No handler needed for focus lost since this class has no state that depends on it.
gFocusMgr.setMouseCapture( this );
mDragStartThumbRect = mThumbRect;
}
make_ui_sound("UISndClick");
return TRUE;
}
BOOL LLSlider::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
if ( mOrientation == VERTICAL )
{
F32 new_val = getValueF32() - clicks * getIncrement();
setValueAndCommit(new_val);
return TRUE;
}
return LLF32UICtrl::handleScrollWheel(x,y,clicks);
}
BOOL LLSlider::handleKeyHere(KEY key, MASK mask)
{
BOOL handled = FALSE;
switch(key)
{
case KEY_DOWN:
case KEY_LEFT:
setValueAndCommit(getValueF32() - getIncrement());
handled = TRUE;
break;
case KEY_UP:
case KEY_RIGHT:
setValueAndCommit(getValueF32() + getIncrement());
handled = TRUE;
break;
default:
break;
}
return handled;
}
BOOL LLSlider::handleHover(S32 x, S32 y, MASK mask)
{
if( hasMouseCapture() )
{
if ( mOrientation == HORIZONTAL )
{
S32 thumb_half_width = mThumbImage->getWidth()/2;
S32 left_edge = thumb_half_width;
S32 right_edge = getRect().getWidth() - (thumb_half_width);
x += mMouseOffset;
x = llclamp( x, left_edge, right_edge );
F32 t = F32(x - left_edge) / (right_edge - left_edge);
setValueAndCommit(t * (mMaxValue - mMinValue) + mMinValue );
}
else // mOrientation == VERTICAL
{
S32 thumb_half_height = mThumbImage->getHeight()/2;
S32 top_edge = thumb_half_height;
S32 bottom_edge = getRect().getHeight() - (thumb_half_height);
y += mMouseOffset;
y = llclamp(y, top_edge, bottom_edge);
F32 t = F32(y - top_edge) / (bottom_edge - top_edge);
setValueAndCommit(t * (mMaxValue - mMinValue) + mMinValue );
}
getWindow()->setCursor(UI_CURSOR_ARROW);
LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;
}
else
{
getWindow()->setCursor(UI_CURSOR_ARROW);
LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;
}
return TRUE;
}
BOOL LLSlider::handleHover(S32 x, S32 y, MASK mask)
{
if( hasMouseCapture() )
{
S32 thumb_half_width = mThumbImage->getWidth()/2;
S32 left_edge = thumb_half_width;
S32 right_edge = getRect().getWidth() - (thumb_half_width);
x += mMouseOffset;
x = llclamp( x, left_edge, right_edge );
F32 t = F32(x - left_edge) / (right_edge - left_edge);
setValueAndCommit(t * (mMaxValue - mMinValue) + mMinValue );
getWindow()->setCursor(UI_CURSOR_ARROW);
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;
}
else
{
getWindow()->setCursor(UI_CURSOR_ARROW);
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;
}
return TRUE;
}
