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1.1 root 1: // ************************************************************************ 1.1.1.2 ! root 2: // ! 3: // Microsoft Developer Support ! 4: // Copyright (c) 1992 Microsoft Corporation ! 5: // ! 6: // ************************************************************************ ! 7: // MODULE : ToolBar.C 1.1 root 8: // PURPOSE : A Win32 DLL containing various ToolBar controls 9: // FUNCTIONS : 10: // LibMain() - Dll entry point 11: // TextButtonBar() - generate a text button ToolBar 12: // TextButtonBarProc - processes messages for the TextButtonBarWClass 13: // COMMENTS : 1.1.1.2 ! root 14: // 1.1 root 15: // ************************************************************************ 16: #define NOMINMAX // eliminate the duplicate min, max defs 17: #include <Windows.H> // required for all Windows applications 18: #include <StdLib.H> // ltoa() 19: 20: #include "ToolBar.H" // specific to this program 21: 22: //-- internal data 23: HWND hWndToolBarOwner; // window handle of Toolbar owner 24: // where all WM_COMMAND messages are sent 25: 1.1.1.2 ! root 26: //-- internal prototypes ! 27: LRESULT CALLBACK TextButtonBarProc( HWND, UINT, WPARAM, LPARAM ); ! 28: ! 29: 1.1 root 30: // ************************************************************************ 1.1.1.2 ! root 31: // FUNCTION : DllEntryPoint( HINSTANCE, DWORD, LPVOID ) ! 32: // PURPOSE : DllEntryPoint is called by Windows when 1.1 root 33: // the DLL is initialized, Thread Attached, and other times. 1.1.1.2 ! root 34: // COMMENTS : No initialization is needed here. 1.1 root 35: // ************************************************************************ 1.1.1.2 ! root 36: BOOL WINAPI ! 37: DllEntryPoint( HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved ) 1.1 root 38: { 1.1.1.2 ! root 39: UNREFERENCED_PARAMETER( hInstDLL ); ! 40: UNREFERENCED_PARAMETER( fdwReason ); ! 41: UNREFERENCED_PARAMETER( lpvReserved ); 1.1 root 42: 43: return( TRUE ); 44: } 45: 46: 47: // ************************************************************************ 1.1.1.2 ! root 48: // FUNCTION : TextButtonBar( HWND, LPTEXTBUTTON, LPINT ) 1.1 root 49: // PURPOSE : Generate a text button ToolBar 50: // COMMENTS : lpTextButton points to an array of TEXTBUTTON 51: // structures. The last structure must set the 52: // member lpButtonText to NULL. lpHeight contains the 53: // height of the ToolBar window. 54: // ************************************************************************ 55: HWND 56: TextButtonBar( HWND hWndParent, LPTEXTBUTTON lpTextButton, LPINT lpHeight ) 57: { 58: #define BUTTON_BORDER 4 59: #define BUTTONBAR_BORDER 4 60: 61: static HWND hWndTextButtonBar; 62: 63: HDC hDC; 64: WNDCLASS wndclass; 65: LONG ButtonWidth; 66: LONG ButtonHeight; 67: INT xPosButton; 68: INT ButtonSpacing; 69: INT ButtonSpace; 70: LPTSTR lpButtonString; 71: LPTEXTBUTTON lpTempTextButton; 72: TEXTMETRIC tm; 73: SIZE ButtonTextSize; 74: RECT rect; 75: 76: 77: //-- store owner of Toolbar 78: hWndToolBarOwner = hWndParent; 79: 80: //-- register the TestButtonBar window class 81: wndclass.style = NULL; 82: wndclass.lpfnWndProc = (WNDPROC) TextButtonBarProc; 83: wndclass.cbClsExtra = 0; 84: wndclass.cbWndExtra = 0; 85: wndclass.hInstance = NULL; 86: wndclass.hIcon = NULL; 87: wndclass.hCursor = NULL; 88: wndclass.hbrBackground = GetStockObject(LTGRAY_BRUSH); 89: wndclass.lpszMenuName = NULL; 90: wndclass.lpszClassName = "TextButtonBarWClass"; 91: 92: if( !RegisterClass( &wndclass ) ) 1.1.1.2 ! root 93: return( FALSE ); 1.1 root 94: 95: hDC = GetDC( hWndParent ); 96: GetTextMetrics( hDC, &tm ); 97: ButtonHeight = 2 * BUTTON_BORDER + tm.tmHeight; 98: *lpHeight = 2 * BUTTONBAR_BORDER + ButtonHeight; 99: 100: GetWindowRect( GetDesktopWindow(), &rect ); 101: hWndTextButtonBar = CreateWindow( 102: "TextButtonBarWClass", "Toolbar", 103: WS_CHILD | WS_CLIPSIBLINGS, 104: 0, 0, rect.right - rect.left, *lpHeight, 105: hWndToolBarOwner, 106: (HMENU) NULL, (HANDLE) NULL, NULL ); 107: 108: SetWindowPos( hWndTextButtonBar, (HWND) 1, 0, 0, 0, 0, 109: SWP_NOMOVE | SWP_NOSIZE ); 110: 111: //-- button spacing information 112: ButtonSpacing = BUTTON_BORDER / 2; 113: ButtonSpace = BUTTON_BORDER * 4; 114: xPosButton = BUTTON_BORDER * 2; 115: 116: //-- Create all the button windows 117: for( lpTempTextButton = lpTextButton; 118: !(lpTempTextButton->lpButtonText == '\0' && lpTempTextButton->idButton == NULL); 119: lpTempTextButton++ ) { 120: 121: //-- if TB_SPACE the adjust new xPos and continue 122: if( lpTempTextButton->idButton == TB_SPACE ) { 123: xPosButton += ButtonSpace; 124: continue; 125: } 126: 127: lpButtonString = lpTempTextButton->lpButtonText; 1.1.1.2 ! root 128: GetTextExtentPoint( hDC, lpButtonString, lstrlen(lpButtonString), &ButtonTextSize ); 1.1 root 129: ButtonWidth = (4 * BUTTON_BORDER) + (LONG) ButtonTextSize.cx; 130: 131: (lpTempTextButton->hWndButton) = CreateWindow( 132: "BUTTON", lpButtonString, 133: WS_VISIBLE | BS_PUSHBUTTON /* | WS_CLIPSIBLINGS */ | WS_CHILD, 134: xPosButton, BUTTONBAR_BORDER, ButtonWidth, ButtonHeight, 135: hWndTextButtonBar, 136: (HMENU) lpTempTextButton->idButton, 137: (HANDLE) NULL, NULL ); 138: 139: xPosButton += ButtonWidth + ButtonSpacing; 140: } 141: ReleaseDC( hWndParent, hDC ); 142: 143: return( hWndTextButtonBar ); 144: } 145: 146: 147: // ************************************************************************ 148: // FUNCTION : TextButtonBarProc( HWND, UINT, WPARAM, LPARAM ) 149: // PURPOSE : Processes messages for the TextButtonBarWClass 150: // MESSAGES : 151: // WM_COMMAND - forwarded onto the owner 152: // WM_PAINT - draw a 3D background 153: // COMMENTS : 154: // ************************************************************************ 155: LRESULT CALLBACK 156: TextButtonBarProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) 157: { 158: static HDC hDC; 159: static RECT rect; 160: static PAINTSTRUCT ps; 161: 162: switch( uMsg ) { 163: 164: case WM_COMMAND: 165: SendMessage( hWndToolBarOwner, uMsg, wParam, lParam ); 1.1.1.2 ! root 166: return( FALSE ); 1.1 root 167: 168: case WM_PAINT: 169: hDC = BeginPaint( hWnd, &ps ); 170: GetClientRect( hWnd, &rect ); 171: 172: SelectObject( hDC, GetStockObject(WHITE_PEN) ); 173: MoveToEx( hDC, rect.left, rect.top, NULL ); 174: LineTo( hDC, rect.right+1, rect.top ); 175: 176: #define DKGRAY_PEN RGB(128, 128, 128) 177: SelectObject( hDC, (HANDLE) CreatePen( PS_SOLID, 1, DKGRAY_PEN ) ); 178: MoveToEx( hDC, rect.left, rect.bottom-2, NULL ); 179: LineTo( hDC, rect.right+1, rect.bottom-2 ); 180: 181: SelectObject( hDC, (HANDLE) CreatePen( PS_SOLID, 1, BLACK_PEN ) ); 182: MoveToEx( hDC, rect.left, rect.bottom-1, NULL ); 183: LineTo( hDC, rect.right+1, rect.bottom-1 ); 184: 185: DeleteObject( SelectObject( hDC, GetStockObject(BLACK_PEN) ) ); 186: EndPaint( hWnd, &ps ); 1.1.1.2 ! root 187: return( FALSE ); 1.1 root 188: 189: default: 190: return( DefWindowProc(hWnd, uMsg, wParam, lParam) ); 191: } 192: }
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