Impala Documentation

void OglGui::Slider::HandleChange	(	int	x,
		int	y
	)			`[inline]`

Definition at line 219 of file Slider.h.

References mHorizontal, mMaxVal, mMinVal, OglGui::OglWindow::mOglWnd, mSliderListener, mSliderListenerData, mThumbH, mThumbW, and mVal.

Referenced by MouseFunc().

00220     {
00221         float nVal;
00222 
00223         if (mHorizontal)
00224         {
00225             x -= mThumbW/2;
00226 
00227             nVal = mMinVal + (x / (float) (mOglWnd->width-mThumbW))
00228                    * (mMaxVal-mMinVal);
00229             if (nVal > mMaxVal) nVal = mMaxVal;
00230             if (nVal < mMinVal) nVal = mMinVal;
00231             if (nVal == mVal)
00232                 return;
00233         }
00234         else
00235         {
00236             y -= mThumbH/2;
00237 
00238             nVal = mMinVal + (y / (float) (mOglWnd->height-mThumbH))
00239                    * (mMaxVal-mMinVal);
00240             if (nVal > mMaxVal) nVal = mMaxVal;
00241             if (nVal < mMinVal) nVal = mMinVal;
00242             if (nVal == mVal)
00243                 return;
00244         }
00245         mVal = (int) nVal;
00246         if (mSliderListener)
00247             mSliderListener->SliderChangedEvent(this, mSliderListenerData);
00248     }