Impala Documentation

virtual void OglGui::ScrollBar::ScrollThumb::MouseFunc	(	INT	msg,
		INT	but,
		INT	state,
		INT	x,
		INT	y
	)			`[inline, virtual]`

Reimplemented from OglGui::Button.

Definition at line 478 of file ScrollBar.h.

References OglGui::ScrollBar::cSbW, OglGui::Window::GetState(), max, mClickX, mClickY, mDragging, OglGui::ScrollBar::mHorizontal, OglGui::OglWindow::mOglWnd, OglGui::Button::MouseFunc(), mParent, OglGui::ScrollBar::mPixelRange, and OglGui::ScrollBar::OnScrollThumb().

00479         {
00480             if (!GetState() || (state & (oglShift|oglControl)))
00481                 return;
00482 
00483             Button::MouseFunc(msg, but, state, x, y);
00484             if (msg == oglMouseDown && but == oglLeftButton) 
00485             {
00486                 mDragging = true;
00487                 mClickX = x;
00488                 mClickY = y;
00489             }
00490 
00491             if (msg == oglMouseUp && but == oglLeftButton)
00492                 mDragging = false;
00493             if (msg == oglMouseMove)
00494             {
00495                 if (mDragging)
00496                 {
00497                     if (mParent->mHorizontal)
00498                     {
00499                         mOglWnd->x += x - mClickX;
00500                         // check restraints 
00501                         if (mOglWnd->x < cSbW)
00502                             mOglWnd->x = cSbW;
00503                         int max = mParent->mPixelRange + cSbW - mOglWnd->width;
00504                         if (mOglWnd->x > max)
00505                             mOglWnd->x = max;
00506                         // feedback to parent
00507                         mParent->OnScrollThumb(mOglWnd->x - cSbW);
00508                     }
00509                     else
00510                     {
00511                         mOglWnd->y += y - mClickY;
00512                         // check restraints 
00513                         if (mOglWnd->y < cSbW)
00514                             mOglWnd->y = cSbW;
00515                         int max = mParent->mPixelRange + cSbW - mOglWnd->height;
00516                         if (mOglWnd->y > max)
00517                             mOglWnd->y = max;
00518                         // feedback to parent
00519                         mParent->OnScrollThumb(mParent->mPixelRange + cSbW -
00520                                               mOglWnd->height - mOglWnd->y);
00521                     }
00522                 }
00523             }
00524         }

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