1

game/client/vgui_centerstringpanel.cpp

@@ -0,0 +1,310 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include <stdarg.h>
+#include "vguicenterprint.h"
+#include "ivrenderview.h"
+#include <vgui/IVGui.h>
+#include "VGuiMatSurface/IMatSystemSurface.h"
+#include <vgui_controls/Label.h>
+#include <vgui_controls/Controls.h>
+#include <vgui/ISurface.h>
+#include <vgui/IScheme.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+#ifdef TF_CLIENT_DLL
+static ConVar		scr_centertime( "scr_centertime", "5" );
+#else
+static ConVar		scr_centertime( "scr_centertime", "2" );
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Implements Center String printing
+//-----------------------------------------------------------------------------
+class CCenterStringLabel : public vgui::Label
+{
+	DECLARE_CLASS_SIMPLE( CCenterStringLabel, vgui::Label );
+
+public:
+						CCenterStringLabel( vgui::VPANEL parent );
+	virtual				~CCenterStringLabel( void );
+
+	// vgui::Panel
+	virtual void		ApplySchemeSettings(vgui::IScheme *pScheme);
+	virtual void		OnTick( void );
+	virtual bool		ShouldDraw( void );
+
+	// CVGuiCenterPrint
+	virtual void		SetTextColor( int r, int g, int b, int a );
+	virtual void		Print( char *text );
+	virtual void		Print( wchar_t *text );
+	virtual void		ColorPrint( int r, int g, int b, int a, char *text );
+	virtual void		ColorPrint( int r, int g, int b, int a, wchar_t *text );
+	virtual void		Clear( void );
+
+protected:
+	MESSAGE_FUNC_INT_INT( OnScreenSizeChanged, "OnScreenSizeChanged", oldwide, oldtall );
+
+private:
+	void ComputeSize( void );
+
+	vgui::HFont			m_hFont;
+
+	float				m_flCentertimeOff;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *parent - 
+//-----------------------------------------------------------------------------
+CCenterStringLabel::CCenterStringLabel( vgui::VPANEL parent ) : 
+	BaseClass( NULL, "CCenterStringLabel", " " )
+{
+	SetParent( parent );
+	ComputeSize();
+	SetVisible( false );
+	SetCursor( null );
+	SetKeyBoardInputEnabled( false );
+	SetMouseInputEnabled( false );
+	SetContentAlignment( vgui::Label::a_center );
+
+	m_hFont = 0;
+	SetFgColor( Color( 255, 255, 255, 255 ) );
+
+	SetPaintBackgroundEnabled( false );
+
+	m_flCentertimeOff = 0.0;
+
+	vgui::ivgui()->AddTickSignal( GetVPanel(), 100 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCenterStringLabel::~CCenterStringLabel( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates panel to handle the new screen size
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::OnScreenSizeChanged(int iOldWide, int iOldTall)
+{
+	BaseClass::OnScreenSizeChanged(iOldWide, iOldTall);
+	ComputeSize();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Computes panel's desired size and position
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::ComputeSize( void )
+{
+	int w, h;
+	w = ScreenWidth();
+	h = ScreenHeight();
+
+	int iHeight = (int)(h * 0.3);
+
+	SetSize( w, iHeight );
+	SetPos( 0, ( h * 0.35 ) - ( iHeight / 2 ) );
+}
+
+void CCenterStringLabel::ApplySchemeSettings(vgui::IScheme *pScheme)
+{
+	BaseClass::ApplySchemeSettings(pScheme);
+
+	// Use a large font
+	m_hFont = pScheme->GetFont( "Trebuchet24" );
+	assert( m_hFont );
+	SetFont( m_hFont );
+
+	int w, h;
+	w = ScreenWidth();
+	h = ScreenHeight();
+	int iHeight = (int)(h * 0.3);
+	SetSize( w, iHeight );
+	SetPos( 0, ( h * 0.35 ) - ( iHeight / 2 ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : r - 
+//			g - 
+//			b - 
+//			a - 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::SetTextColor( int r, int g, int b, int a )
+{
+	SetFgColor( Color( r, g, b, a ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::Print( char *text )
+{
+	SetText( text );
+	
+	m_flCentertimeOff = scr_centertime.GetFloat() + gpGlobals->curtime;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::Print( wchar_t *text )
+{
+	SetText( text );
+	
+	m_flCentertimeOff = scr_centertime.GetFloat() + gpGlobals->curtime;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::ColorPrint( int r, int g, int b, int a, char *text )
+{
+	SetTextColor( r, g, b, a );
+	Print( text );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::ColorPrint( int r, int g, int b, int a, wchar_t *text )
+{
+	SetTextColor( r, g, b, a );
+	Print( text );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::Clear( void )
+{
+	m_flCentertimeOff = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCenterStringLabel::OnTick( void )
+{
+	bool bVisible = ShouldDraw();
+	if ( IsVisible() != bVisible )
+	{
+		SetVisible( bVisible );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+// FIXME, this has dependencies on the engine that should go away
+//-----------------------------------------------------------------------------
+bool CCenterStringLabel::ShouldDraw( void )
+{
+	if ( engine->IsDrawingLoadingImage() )
+	{
+		return false;
+	}
+
+	if ( m_flCentertimeOff <= gpGlobals->curtime )
+	{
+		// not time to turn off the message yet
+		return false;
+	}
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : 
+//-----------------------------------------------------------------------------
+CCenterPrint::CCenterPrint( void )
+{
+	vguiCenterString = NULL;
+}
+
+void CCenterPrint::SetTextColor( int r, int g, int b, int a )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->SetTextColor( r, g, b, a );
+	}
+}
+
+void CCenterPrint::Print( char *text )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->ColorPrint( 255, 255, 255, 255, text );
+	}
+}
+
+void CCenterPrint::Print( wchar_t *text )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->ColorPrint( 255, 255, 255, 255, text );
+	}
+}
+
+void CCenterPrint::ColorPrint( int r, int g, int b, int a, char *text )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->ColorPrint( r, g, b, a, text );
+	}
+}
+
+void CCenterPrint::ColorPrint( int r, int g, int b, int a, wchar_t *text )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->ColorPrint( r, g, b, a, text );
+	}
+}
+
+void CCenterPrint::Clear( void )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->Clear();
+	}
+}
+
+void CCenterPrint::Create( vgui::VPANEL parent )
+{
+	if ( vguiCenterString )
+	{
+		Destroy();
+	}
+
+	vguiCenterString = new CCenterStringLabel( parent );
+}
+
+void CCenterPrint::Destroy( void )
+{
+	if ( vguiCenterString )
+	{
+		vguiCenterString->SetParent( (vgui::Panel *)NULL );
+		delete vguiCenterString;
+		vguiCenterString = NULL;
+	}
+}
+
+static CCenterPrint g_CenterString;
+CCenterPrint *internalCenterPrint = &g_CenterString;
+
+EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CCenterPrint, ICenterPrint, VCENTERPRINT_INTERFACE_VERSION, g_CenterString );