dxutgui.h

DX例子中等难度的。全是新例子。VC2003

    D3DCOLOR m_colorTopRight;
    D3DCOLOR m_colorBottomLeft;
    D3DCOLOR m_colorBottomRight;

    CDXUTDialogResourceManager* m_pManager;
    PCALLBACKDXUTGUIEVENT m_pCallbackEvent;
    void* m_pCallbackEventUserContext;

    CGrowableArray< int > m_Textures;   // Index into m_TextureCache;
    CGrowableArray< int > m_Fonts;      // Index into m_FontCache;

    CGrowableArray< CDXUTControl* > m_Controls;
    CGrowableArray< DXUTElementHolder* > m_DefaultElements;

    CDXUTElement m_CapElement;  // Element for the caption

    CDXUTDialog* m_pNextDialog;
    CDXUTDialog* m_pPrevDialog;
};


//--------------------------------------------------------------------------------------
// Structs for shared resources
//--------------------------------------------------------------------------------------
struct DXUTTextureNode
{
    bool bFileSource;  // True if this texture is loaded from a file. False if from resource.
    HMODULE hResourceModule;
    int nResourceID;   // Resource ID. If 0, string-based ID is used and stored in strFilename.
    WCHAR strFilename[MAX_PATH];
    IDirect3DTexture9* pTexture;
    DWORD dwWidth;
    DWORD dwHeight;
};

struct DXUTFontNode
{
    WCHAR strFace[MAX_PATH];
    ID3DXFont* pFont;
    LONG  nHeight;
    LONG  nWeight;
};


//-----------------------------------------------------------------------------
// Manages shared resources of dialogs
//-----------------------------------------------------------------------------
class CDXUTDialogResourceManager
{
public:
    CDXUTDialogResourceManager();
    ~CDXUTDialogResourceManager();

    HRESULT     OnCreateDevice( LPDIRECT3DDEVICE9 pd3dDevice );
    HRESULT     OnResetDevice();
    void        OnLostDevice();
    void        OnDestroyDevice();
    bool        MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
    
    int AddFont( LPCWSTR strFaceName, LONG height, LONG weight );
    int AddTexture( LPCWSTR strFilename );
    int AddTexture( LPCWSTR strResourceName, HMODULE hResourceModule );

    DXUTFontNode*     GetFontNode( int iIndex )     { return m_FontCache.GetAt( iIndex ); };
    DXUTTextureNode*  GetTextureNode( int iIndex )  { return m_TextureCache.GetAt( iIndex ); };
    IDirect3DDevice9* GetD3DDevice()                { return m_pd3dDevice; }

    bool RegisterDialog( CDXUTDialog *pDialog );
    void UnregisterDialog( CDXUTDialog *pDialog );
    void EnableKeyboardInputForAllDialogs();

    // Shared between all dialogs
    IDirect3DStateBlock9* m_pStateBlock;
    ID3DXSprite*          m_pSprite;          // Sprite used for drawing

    CGrowableArray< CDXUTDialog* > m_Dialogs;            // Dialogs registered

protected:
    CGrowableArray< DXUTTextureNode* > m_TextureCache;   // Shared textures
    CGrowableArray< DXUTFontNode* > m_FontCache;         // Shared fonts

    IDirect3DDevice9* m_pd3dDevice;

    // Resource creation helpers
    HRESULT CreateFont( UINT index );
    HRESULT CreateTexture( UINT index );
};


//-----------------------------------------------------------------------------
// Base class for controls
//-----------------------------------------------------------------------------
class CDXUTControl
{
public:
    CDXUTControl( CDXUTDialog *pDialog = NULL );
    virtual ~CDXUTControl();

    virtual HRESULT OnInit() { return S_OK; }
    virtual void Refresh();
    virtual void Render( IDirect3DDevice9* pd3dDevice, float fElapsedTime ) { };

    // Windows message handler
    virtual bool MsgProc( UINT uMsg, WPARAM wParam, LPARAM lParam ) { return false; }

    virtual bool HandleKeyboard( UINT uMsg, WPARAM wParam, LPARAM lParam ) { return false; }
    virtual bool HandleMouse( UINT uMsg, POINT pt, WPARAM wParam, LPARAM lParam ) { return false; }

    virtual bool CanHaveFocus() { return false; }
    virtual void OnFocusIn() { m_bHasFocus = true; }
    virtual void OnFocusOut() { m_bHasFocus = false; }
    virtual void OnMouseEnter() { m_bMouseOver = true; }
    virtual void OnMouseLeave() { m_bMouseOver = false; }
    virtual void OnHotkey() {}

    virtual BOOL ContainsPoint( POINT pt ) { return PtInRect( &m_rcBoundingBox, pt ); }

    virtual void SetEnabled( bool bEnabled ) { m_bEnabled = bEnabled; }
    virtual bool GetEnabled() { return m_bEnabled; }
    virtual void SetVisible( bool bVisible ) { m_bVisible = bVisible; }
    virtual bool GetVisible() { return m_bVisible; }

    UINT GetType() const { return m_Type; }

    int  GetID() const { return m_ID; }
    void SetID( int ID ) { m_ID = ID; }

    void SetLocation( int x, int y ) { m_x = x; m_y = y; UpdateRects(); }
    void SetSize( int width, int height ) { m_width = width; m_height = height; UpdateRects(); }

    void SetHotkey( UINT nHotkey ) { m_nHotkey = nHotkey; }
    UINT GetHotkey() { return m_nHotkey; }

    void SetUserData( void *pUserData ) { m_pUserData = pUserData; }
    void *GetUserData() const { return m_pUserData; }

    virtual void SetTextColor( D3DCOLOR Color );
    CDXUTElement* GetElement( UINT iElement ) { return m_Elements.GetAt( iElement ); }
    HRESULT SetElement( UINT iElement, CDXUTElement* pElement);

    bool m_bVisible;                // Shown/hidden flag
    bool m_bMouseOver;              // Mouse pointer is above control
    bool m_bHasFocus;               // Control has input focus
    bool m_bIsDefault;              // Is the default control

    // Size, scale, and positioning members
    int m_x, m_y;
    int m_width, m_height;

    // These members are set by the container
    CDXUTDialog* m_pDialog;    // Parent container
    UINT m_Index;              // Index within the control list
    
    CGrowableArray< CDXUTElement* > m_Elements;  // All display elements

protected:
    virtual void UpdateRects();

    int  m_ID;                 // ID number
    DXUT_CONTROL_TYPE m_Type;  // Control type, set once in constructor  
    UINT m_nHotkey;            // Virtual key code for this control's hotkey
    void *m_pUserData;         // Data associated with this control that is set by user.
    
    bool m_bEnabled;           // Enabled/disabled flag
    
    RECT m_rcBoundingBox;      // Rectangle defining the active region of the control
};


//-----------------------------------------------------------------------------
// Contains all the display information for a given control type
//-----------------------------------------------------------------------------
struct DXUTElementHolder
{
    UINT nControlType;
    UINT iElement;

    CDXUTElement Element;
};


//-----------------------------------------------------------------------------
// Static control
//-----------------------------------------------------------------------------
class CDXUTStatic : public CDXUTControl
{
public:
    CDXUTStatic( CDXUTDialog *pDialog = NULL );

    virtual void Render( IDirect3DDevice9* pd3dDevice, float fElapsedTime );
    virtual BOOL ContainsPoint( POINT pt ) { return false; }

    HRESULT GetTextCopy( LPWSTR strDest, UINT bufferCount );
    LPCWSTR GetText() { return m_strText; }
    HRESULT SetText( LPCWSTR strText );


protected:
    WCHAR m_strText[MAX_PATH];      // Window text  
};


//-----------------------------------------------------------------------------
// Button control
//-----------------------------------------------------------------------------
class CDXUTButton : public CDXUTStatic
{
public:
    CDXUTButton( CDXUTDialog *pDialog = NULL );

    virtual bool HandleKeyboard( UINT uMsg, WPARAM wParam, LPARAM lParam );
    virtual bool HandleMouse( UINT uMsg, POINT pt, WPARAM wParam, LPARAM lParam );
    virtual void OnHotkey() { if( m_pDialog->IsKeyboardInputEnabled() ) m_pDialog->RequestFocus( this ); m_pDialog->SendEvent( EVENT_BUTTON_CLICKED, true, this ); }
    
    virtual BOOL ContainsPoint( POINT pt ) { return PtInRect( &m_rcBoundingBox, pt ); }
    virtual bool CanHaveFocus() { return (m_bVisible && m_bEnabled); }

    virtual void Render( IDirect3DDevice9* pd3dDevice, float fElapsedTime );

protected:
    bool m_bPressed;
};


//-----------------------------------------------------------------------------
// CheckBox control
//-----------------------------------------------------------------------------
class CDXUTCheckBox : public CDXUTButton
{
public:
    CDXUTCheckBox( CDXUTDialog *pDialog = NULL );

    virtual bool HandleKeyboard( UINT uMsg, WPARAM wParam, LPARAM lParam );
    virtual bool HandleMouse( UINT uMsg, POINT pt, WPARAM wParam, LPARAM lParam );
    virtual void OnHotkey() { if( m_pDialog->IsKeyboardInputEnabled() ) m_pDialog->RequestFocus( this ); SetCheckedInternal( !m_bChecked, true ); }

    virtual BOOL ContainsPoint( POINT pt ); 
    virtual void UpdateRects(); 

    virtual void Render( IDirect3DDevice9* pd3dDevice, float fElapsedTime );

    bool GetChecked() { return m_bChecked; }
    void SetChecked( bool bChecked ) { SetCheckedInternal( bChecked, false ); }
    
protected:
    virtual void SetCheckedInternal( bool bChecked, bool bFromInput );

    bool m_bChecked;
    RECT m_rcButton;
    RECT m_rcText;
};


//-----------------------------------------------------------------------------
// RadioButton control
//-----------------------------------------------------------------------------
class CDXUTRadioButton : public CDXUTCheckBox
{
public:
    CDXUTRadioButton( CDXUTDialog *pDialog = NULL );

    virtual bool HandleKeyboard( UINT uMsg, WPARAM wParam, LPARAM lParam );
    virtual bool HandleMouse( UINT uMsg, POINT pt, WPARAM wParam, LPARAM lParam );
    virtual void OnHotkey() { if( m_pDialog->IsKeyboardInputEnabled() ) m_pDialog->RequestFocus( this ); SetCheckedInternal( true, true, true ); }
    
    void SetChecked( bool bChecked, bool bClearGroup=true ) { SetCheckedInternal( bChecked, bClearGroup, false ); }
    void SetButtonGroup( UINT nButtonGroup ) { m_nButtonGroup = nButtonGroup; }
    UINT GetButtonGroup() { return m_nButtonGroup; }
    
protected:
    virtual void SetCheckedInternal( bool bChecked, bool bClearGroup, bool bFromInput );
    UINT m_nButtonGroup;
};


//-----------------------------------------------------------------------------
// Scrollbar control
//-----------------------------------------------------------------------------