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Create a custom theme for your application

You can create a custom theme for your application by deriving a class from any of the theme classes available in the toolkit.

Create a double gripper theme similar to Visual Studio 6.0.

1. Create a new class derived from one of the predefined themes found in the toolkit. We are going to use CXTPDefaultTheme, however you can use any of the following theme classes:

- CXTPDefaultTheme to inherit Office 2000 theme
- CXTPOfficeTheme to inherit Office XP theme
- CXTPOffice2003Theme to inherit Office 2003 theme
- CXTPNativeXPTheme to inherit Native XP theme

 class CDoubleGripperTheme : public CXTPDefaultTheme

 {

 

 };




2. Override the DrawCommandBarGripper of CXTPDefaultTheme base class (See XTPPaintManager.h).  This will allow us to add our own custom look for drawing the command bar grippers




 class CDoubleGripperTheme : public CXTPDefaultTheme

 {

     virtual CSize DrawCommandBarGripper(

         CDC* pDC, CXTPCommandBar* pBar, BOOL bDraw);

 };

 

 

 [...]

 

 

 // DrawCommandBarGripper function.

 // if bDraw if FALSE must return gripper size.

 // if bDraw is TRUE must draw gripper. 

 CSize CDoubleGripperTheme::DrawCommandBarGripper(CDC* pDC,

      CXTPCommandBar* pBar, BOOL bDraw)

 {

     // If Toolbar is vertical docked

     if (pBar->GetPosition() == xtpBarRight ||

         pBar->GetPosition() == xtpBarLeft)

     {

         if (bDraw)

         {

             CXTPClientRect rc(pBar);

             Draw3dRect(pDC, CRect(3, 3, rc.right - 3, 6),

                 COLOR_BTNHILIGHT, COLOR_3DSHADOW);

             Draw3dRect(pDC, CRect(3, 7, rc.right - 3, 10),

                 COLOR_BTNHILIGHT, COLOR_3DSHADOW);

         }

         return CSize(0, 10);

     }

     // if Toolbar is horizontal  docked

     else

         if (pBar->GetPosition() == xtpBarTop ||

             pBar->GetPosition() == xtpBarBottom)

         {

            CXTPClientRect rc(pBar);

            if (bDraw)

            {

                Draw3dRect(pDC, CRect(3, 3, 6, rc.bottom - 3),

                    COLOR_BTNHILIGHT, COLOR_3DSHADOW);

                Draw3dRect(pDC, CRect(7, 3, 10, rc.bottom - 3),

                    COLOR_BTNHILIGHT, COLOR_3DSHADOW);

            }

             return CSize(10, 0);

         }

         else return

    CXTPDefaultTheme::DrawCommandBarGripper(pDC, pBar, bDraw);

 }




3. Call CXTPPaintManager::SetCustomTheme from CMainFrame's OnCreate method to use the theme we just created




 int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)

 {

     ...

 

         // Use our own theme for drawing command bar grippers.

         CXTPPaintManager::SetCustomTheme(new

         CDoubleGripperTheme());

 

     return 0;

 }