コード例 #1
0
//-----------------------------------------------------------------------------
// Purpose: Calculates which panel the cursor is currently over and sets it up
//			as the current mouse focus.
//-----------------------------------------------------------------------------
void CInputWin32::UpdateMouseFocus(int x, int y)
{
	// find the panel that has the focus
	VPanel *focus = NULL; 

	InputContext_t *pContext = GetInputContext( m_hContext );

	if (!pContext->_rootPanel)
	{
		if (surface()->IsCursorVisible() && surface()->IsWithin(x, y))
		{
			// faster version of code below
			// checks through each popup in order, top to bottom windows
			for (int i = surface()->GetPopupCount() - 1; i >= 0; i--)
			{
				VPanel *popup = (VPanel *)surface()->GetPopup(i);
				VPanel *panel = popup;
				bool wantsMouse = panel->IsMouseInputEnabled();
				bool isVisible;

				do 
				{
					isVisible = panel->IsVisible();
					panel = panel->GetParent();
				}
				while ( isVisible && panel && panel->GetParent() ); // only consider panels that want mouse input

				if ( wantsMouse && isVisible ) 
				{
					focus = (VPanel *)popup->Client()->IsWithinTraverse(x, y, false);
					if (focus)
						break;
				}
			}
			if (!focus)
			{
				focus = (VPanel *)((VPanel *)surface()->GetEmbeddedPanel())->Client()->IsWithinTraverse(x, y, false);
			}
		}
	}
	else
	{
		focus = (VPanel *)((VPanel *)(pContext->_rootPanel))->Client()->IsWithinTraverse(x, y, false);
	}

	// mouse focus debugging code
	/*
	static VPanel *oldFocus = (VPanel *)0x0001;
	if (oldFocus != focus)
	{
		oldFocus = focus;
		if (focus)
		{
			ivgui()->DPrintf2("mouse over: (%s, %s)\n", focus->GetName(), focus->GetClassName());
		}
		else
		{
			ivgui()->DPrintf2("mouse over: (NULL)\n");
		}
	}
	*/

	// check if we are in modal state, 
	// and if we are make sure this panel is a child of us.
	if (!IsChildOfModalPanel((VPANEL)focus))
	{	
		// should this be _appModalPanel?
		focus = NULL;
	}

	SetMouseFocus((VPANEL)focus);
}
コード例 #2
0
//-----------------------------------------------------------------------------
// Purpose: Sets the new mouse focus
//			won't override _mouseCapture settings
// Input  : newMouseFocus - 
//-----------------------------------------------------------------------------
void CInputWin32::SetMouseFocus(VPANEL newMouseFocus)
{
	// check if we are in modal state, 
	// and if we are make sure this panel is a child of us.
	if (!IsChildOfModalPanel(newMouseFocus))
	{	
		return;	
	}

	bool wantsMouse, isPopup; // =  popup->GetMouseInput();
	VPanel *panel = (VPanel *)newMouseFocus;

	InputContext_t *pContext = GetInputContext( m_hContext );

	
	if ( newMouseFocus )
	{
		do 
		{
			wantsMouse = panel->IsMouseInputEnabled();
			isPopup = panel->IsPopup();
			panel = panel->GetParent();
		}
		while ( wantsMouse && !isPopup && panel && panel->GetParent() ); // only consider panels that want mouse input
	}

	// if this panel doesn't want mouse input don't let it get focus
	if (newMouseFocus && !wantsMouse) 
	{
		return;
	}

	if ((VPANEL)pContext->_mouseOver != newMouseFocus || (!pContext->_mouseCapture && (VPANEL)pContext->_mouseFocus != newMouseFocus) )
	{
		pContext->_oldMouseFocus = pContext->_mouseOver;
		pContext->_mouseOver = (VPanel *)newMouseFocus;

		//tell the old panel with the mouseFocus that the cursor exited
		if (pContext->_oldMouseFocus != NULL)
		{
			// only notify of entry if the mouse is not captured or we're a child of the captured panel
			if ( !pContext->_mouseCapture || pContext->_oldMouseFocus->HasParent(pContext->_mouseCapture) )
			{
				ivgui()->PostMessage((VPANEL)pContext->_oldMouseFocus, new KeyValues("CursorExited"), NULL);
			}
		}

		//tell the new panel with the mouseFocus that the cursor entered
		if (pContext->_mouseOver != NULL)
		{
			// only notify of entry if the mouse is not captured or we're a child of the captured panel
			if ( !pContext->_mouseCapture || pContext->_mouseOver->HasParent(pContext->_mouseCapture) )
			{
				ivgui()->PostMessage((VPANEL)pContext->_mouseOver, new KeyValues("CursorEntered"), NULL);
			}
		}

		// set where the mouse is currently over
		// mouse capture overrides destination
		if ( pContext->_mouseCapture )
		{
			pContext->_mouseFocus = pContext->_mouseCapture;
		}
		else
		{
			pContext->_mouseFocus = pContext->_mouseOver;
		}
	}
}