C++ DHANDLE::GetSize方法代码示例

//-----------------------------------------------------------------------------
// Purpose: Size the text window so all the text fits inside it.
//-----------------------------------------------------------------------------
void Tooltip::SizeTextWindow()
{
	if ( !s_TooltipWindow.Get() )
		return;

	if (_displayOnOneLine)
	{
		// We want the tool tip to be one line
		s_TooltipWindow->SetMultiline(false);
		s_TooltipWindow->SetToFullWidth();
	}
	else
	{
		// We want the tool tip to be one line
		s_TooltipWindow->SetMultiline(false);
		s_TooltipWindow->SetToFullWidth();
		int wide, tall;
		s_TooltipWindow->GetSize( wide, tall );
		double newWide = sqrt( (2.0/1) * wide * tall );
		double newTall = (1/2) * newWide;
		s_TooltipWindow->SetMultiline(true);
		s_TooltipWindow->SetSize((int)newWide, (int)newTall );
		s_TooltipWindow->SetToFullHeight();
		
		s_TooltipWindow->GetSize( wide, tall );
		
		if (( wide < 100 ) && ( s_TooltipWindow->GetNumLines() == 2) ) 
		{
			s_TooltipWindow->SetMultiline(false);
			s_TooltipWindow->SetToFullWidth();	
		}
		else
		{
			
			while ( (float)wide/(float)tall < 2 )
			{
				s_TooltipWindow->SetSize( wide + 1, tall );
				s_TooltipWindow->SetToFullHeight();
				s_TooltipWindow->GetSize( wide, tall );
			}
		}
		s_TooltipWindow->GetSize( wide, tall );
	//	ivgui()->DPrintf("End Ratio: %f\n", (float)wide/(float)tall);		
	}
}

//-----------------------------------------------------------------------------
// main application
//-----------------------------------------------------------------------------
void CVsVGuiWindow::PaintWindow()
{
	if ( m_nCurrentTick == m_nLastRenderedTick || !g_pVGui->IsRunning() )
	{
		ValidateRect( m_hWnd, NULL );
		return;
	}

	m_nCurrentTick = m_nLastRenderedTick;

	vgui::VPANEL root = g_pVGuiSurface->GetEmbeddedPanel();
	g_pVGuiSurface->Invalidate( root );

	RECT windowRect;
	CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
	::GetClientRect( m_hWnd, &windowRect );
	g_pMaterialSystem->SetView( m_hWnd );
	pRenderContext->Viewport( 0, 0, windowRect.right, windowRect.bottom );

	float flStartTime = Plat_FloatTime();

	pRenderContext->ClearColor4ub( 76, 88, 68, 255 ); 
	pRenderContext->ClearBuffers( true, true );

	g_pMaterialSystem->BeginFrame( 0 );

	// draw from the main panel down
	if ( m_hMainPanel.Get() )
	{
		int w, h;
		m_hMainPanel->GetSize( w, h );

		if ( w != windowRect.right || h != windowRect.bottom )
		{
			m_hMainPanel->SetBounds( 0, 0, windowRect.right, windowRect.bottom );
			m_hMainPanel->Repaint();
		}

		g_pVGuiSurface->RestrictPaintToSinglePanel( m_hMainPanel->GetVPanel() );
		g_pVGuiSurface->PaintTraverseEx( root, true );
		g_pVGuiSurface->RestrictPaintToSinglePanel( 0 );
	}

	g_pMaterialSystem->EndFrame();
	g_pMaterialSystem->SwapBuffers();
	g_pMaterialSystem->SetView( NULL );
	ValidateRect( m_hWnd, NULL );

	m_flRenderDelayTime = Plat_FloatTime() - flStartTime;
	m_flRenderDelayTime = max( m_flRenderDelayTime, 0.015f );
}

//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void Tooltip::PerformLayout()
{
	if (!_makeVisible)
		return;
	if (_delay > system()->GetTimeMillis())
		return;	

	// we're ready, just make us visible
	if ( !s_TooltipWindow.Get() )
		return;

	// We only need to layout when we first become visible
	if ( !_isDirty )
		return;

	_isDirty = false;

	s_TooltipWindow->SetVisible(true);
	s_TooltipWindow->MakePopup( false, true );
	s_TooltipWindow->SetKeyBoardInputEnabled( false );
	s_TooltipWindow->SetMouseInputEnabled( false );

	IScheme *pScheme = scheme()->GetIScheme( s_TooltipWindow->GetScheme() );

	s_TooltipWindow->SetBgColor(s_TooltipWindow->GetSchemeColor("Tooltip.BgColor", s_TooltipWindow->GetBgColor(), pScheme));
	s_TooltipWindow->SetFgColor(s_TooltipWindow->GetSchemeColor("Tooltip.TextColor", s_TooltipWindow->GetFgColor(), pScheme));
	s_TooltipWindow->SetBorder(pScheme->GetBorder("ToolTipBorder"));

	// get cursor position
	int cursorX, cursorY;
	input()->GetCursorPos(cursorX, cursorY);
	
	// relayout the textwindow immediately so that we know it's size
	//m_pTextEntry->InvalidateLayout(true);
	SizeTextWindow();
	int menuWide, menuTall;
	s_TooltipWindow->GetSize(menuWide, menuTall);
	
	// work out where the cursor is and therefore the best place to put the menu
	int wide, tall;
	surface()->GetScreenSize(wide, tall);
	
	if (wide - menuWide > cursorX)
	{
		cursorY += 20;
		// menu hanging right
		if (tall - menuTall > cursorY)
		{
			// menu hanging down
			s_TooltipWindow->SetPos(cursorX, cursorY);
		}
		else
		{
			// menu hanging up
			s_TooltipWindow->SetPos(cursorX, cursorY - menuTall - 20);
		}
	}
	else
	{
		// menu hanging left
		if (tall - menuTall > cursorY)
		{
			// menu hanging down
			s_TooltipWindow->SetPos(cursorX - menuWide, cursorY);
		}
		else
		{
			// menu hanging up
			s_TooltipWindow->SetPos(cursorX - menuWide, cursorY - menuTall - 20 );
		}
	}	
}