skinning windows

This is a discussion on skinning windows within the Windows Programming forums, part of the Platform Specific Boards category; hi I wrote a skinned window(based on some tutorial I found on the net).Ididn't understand the tute very well. In ...

  1. #1
    Just a Human Anuradh_a's Avatar
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    skinning windows

    hi
    I wrote a skinned window(based on some tutorial I found on the net).Ididn't understand the
    tute very well. In my code there are two functions called clswin() and void creatergn(). when i put these functions under WM_CREATE didn't work.when i put these functions under winapi main() it worked. any one know why???
    I have attached the project.

    second question is what is the usage of bitblt()?
    and also can any on explain what exactly happen in this code??

    I'm using VC++ 6.0
    WinXp xp2
    thanks.
    Attached Files Attached Files

  2. #2
    sgh
    sgh is offline
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    please try to write clswin() and creatergn() in WM_CREATE event.
    why dont you develop your project on MFC?
    i think your skin windows is easy on it.

  3. #3
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    Had a quick look and i think it's because the value of the global variable "hwnd" is only set AFTER CreateWindow is finished, but WM_CREATE is called before CreateWindow is finished (i think). The functions "creatergn" and "clswin" use this global variable. This may work:
    Code:
    void creatergn(HWND hwnd)
    {
    	
    	rgnfile =FindResource(GetModuleHandle(NULL),MAKEINTRESOURCE(IDR_RGN),"BINARY");
    	pSkinData = (LPRGNDATA)LoadResource(NULL, rgnfile);
    	rgnSkin = ExtCreateRegion(NULL, SizeofResource(GetModuleHandle(NULL),rgnfile), pSkinData);
    	SetWindowRgn(hwnd,rgnSkin,TRUE);
    	
    }
    
    void clswin(HWND hwnd)
    {
    	
    	DWORD dwStyle;
    	dwStyle = GetWindowLong(hwnd, GWL_STYLE);
    	dwStyle &= ~(WS_CAPTION|WS_SIZEBOX);
    	SetWindowLong(hwnd, GWL_STYLE, dwStyle);
    	InvalidateRect(hwnd, NULL, TRUE);
    	SetWindowPos(hwnd, NULL, 0,0,504,360, SWP_NOMOVE|SWP_NOZORDER);
    }
    
    LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
    {
         HDC         hdc ;
         PAINTSTRUCT ps ;
    	 
    static	BOOL regned =FALSE;	 
         
    			
         switch (message)
         {
       case WM_CREATE:
    
              creatergn(hwnd);
    	  clswin(hwnd);
    	  loadbitmap();
    		
    		 		
              return 0 ;
    
    	case WM_LBUTTONDOWN:
    		  SendMessage(hwnd, WM_NCLBUTTONDOWN,HTCAPTION,0);
    		  break;
    			
         case WM_PAINT:
    			
              hdc = BeginPaint (hwnd, &ps) ;
    		  
    		  skinme(ps.hdc);
              SetBkMode(ps.hdc,TRANSPARENT);
              EndPaint (hwnd, &ps) ;
              return 0 ;
    
    		  
    			  
         case WM_DESTROY:
    		 
              PostQuitMessage (0) ;
              return 0 ;
    
    	 case WM_CLOSE:
    			DeleteDC(bitdc);
    			DeleteObject(rgnSkin);	
    			FreeResource(pSkinData);
    			  
    
         }
         return DefWindowProc (hwnd, message, wParam, lParam) ;
    		  
    }
    You need to ask yourself if it's necessary to use these global variables.
    Last edited by 39ster; 06-02-2008 at 03:26 AM.

  4. #4
    Reverse Engineer maxorator's Avatar
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    Quote Originally Posted by sgh View Post
    why dont you develop your project on MFC?
    MFC is not freeware. D'oh!
    "The Internet treats censorship as damage and routes around it." - John Gilmore

  5. #5
    Just a Human Anuradh_a's Avatar
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    It works. thanks guys.Making hwnd global is a bad idea right .
    thanks for showing me that.
    Is it possible to use same thing to the dialog boxes??

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