Impala Documentation

virtual void OglGui::Graph::DocMouseFunc	(	int	msg,
		int	btn,
		int	state,
		int	x,
		int	y
	)			`[inline, virtual]`

Definition at line 437 of file Graph.h.

References OglGui::DocDimensions::DocH(), OglGui::DocDimensions::DocW(), DoPanning(), DoScaling(), OglGui::DocDimensions::GetDocDimensions(), OglGui::SizableWindow::mAllowMove, OglGui::DocDimensions::mDocH, OglGui::DocDimensions::mDocW, OglGui::DocDimensions::mDocX, OglGui::DocDimensions::mDocY, mLastX, mLastY, mNormX, mNormY, OglGui::Window::MouseFunc(), mPanDifX, mPanDifY, mPanning, mStartTopX, mStartTopY, mZoomable, mZooming, OglGui::DocDimensions::SetDocDimensions(), and StartScalers().

Referenced by MouseFunc().

00438     {
00439         bool zoomState = (state==(oglLeftButton|oglControl|oglShift));
00440         bool panState  = (state==(oglLeftButton|oglShift));
00441         if (!zoomState)
00442             mZooming = false;
00443         if (!panState)
00444             mPanning = false;
00445         if (msg == oglMouseDown && btn == oglLeftButton)
00446         {
00447             mZooming = mZoomable  ? zoomState : false;
00448             mPanning = mAllowMove ? panState  : false;
00449             mStartTopX = mLastX = x;
00450             mStartTopY = mLastY = y;
00451             mNormX = (mStartTopX-mDocX) / (float) DocW();
00452             mNormY = (mStartTopY-mDocY) / (float) DocH();
00453             if (mZooming)
00454                 StartScalers();
00455         }
00456         if (!mZooming && !mPanning)
00457             Window::MouseFunc(msg,btn,state,x,y);
00458         if (msg == oglMouseMove && (mZooming||mPanning))
00459         {
00460             int nX, nY, nW, nH;
00461             GetDocDimensions(nX,nY,nW,nH);
00462             if (mZooming)
00463             {
00464                 int difX = mLastX-x;
00465                 if ((nW *= (1.0-(difX/100.0)))<12)
00466                     nW = 12;
00467                 if ((nH *= (1.0-(difX/100.0)))<12)
00468                     nH = 12;
00469                 nX = mStartTopX - mNormX * nW;
00470                 nY = mStartTopY - mNormY * nH;
00471             }
00472             if (mPanning)
00473             {
00474                 mPanDifX = mLastX - x;
00475                 mPanDifY = mLastY - y;
00476                 nX -= mPanDifX;
00477                 nY -= mPanDifY;
00478             }
00479             mLastX = x;
00480             mLastY = y;
00481 
00482             bool sizeChange = (nW != mDocW || nH != mDocH);
00483             bool posChange  = (nX != mDocX || nY != mDocY);
00484             if (posChange || sizeChange)
00485                 SetDocDimensions(nX, nY, nW, nH);
00486             if (mZooming && sizeChange)
00487                 DoScaling();
00488             if (mPanning && posChange)
00489                 DoPanning();
00490         }
00491     }

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