/* * Icontitle window class. * * Copyright 1997 Alex Korobka */ #include #include #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "wine/winuser16.h" #include "wine/unicode.h" #include "controls.h" #include "win.h" static BOOL bMultiLineTitle; static HFONT hIconTitleFont; static LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam ); /********************************************************************* * icon title class descriptor */ const struct builtin_class_descr ICONTITLE_builtin_class = { ICONTITLE_CLASS_ATOM, /* name */ CS_GLOBALCLASS, /* style */ NULL, /* procA (winproc is Unicode only) */ IconTitleWndProc, /* procW */ 0, /* extra */ IDC_ARROWA, /* cursor */ 0 /* brush */ }; /*********************************************************************** * ICONTITLE_Create */ HWND ICONTITLE_Create( WND* wnd ) { WND* wndPtr; HWND hWnd; if( wnd->dwStyle & WS_CHILD ) hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL, WS_CHILD | WS_CLIPSIBLINGS, 0, 0, 1, 1, wnd->parent->hwndSelf, 0, wnd->hInstance, NULL ); else hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL, WS_CLIPSIBLINGS, 0, 0, 1, 1, wnd->hwndSelf, 0, wnd->hInstance, NULL ); wndPtr = WIN_FindWndPtr( hWnd ); if( wndPtr ) { wndPtr->owner = wnd; /* MDI depends on this */ wndPtr->dwStyle &= ~(WS_CAPTION | WS_BORDER); if( wnd->dwStyle & WS_DISABLED ) wndPtr->dwStyle |= WS_DISABLED; WIN_ReleaseWndPtr(wndPtr); return hWnd; } return 0; } /*********************************************************************** * ICONTITLE_GetTitlePos */ static BOOL ICONTITLE_GetTitlePos( WND* wnd, LPRECT lpRect ) { static WCHAR emptyTitleText[] = {'<','.','.','.','>',0}; LPWSTR str = NULL; int length = lstrlenW( wnd->owner->text ); if( length ) { str = HeapAlloc( GetProcessHeap(), 0, (length + 1) * sizeof(WCHAR) ); strcpyW( str, wnd->owner->text ); while( str[length - 1] == ' ' ) /* remove trailing spaces */ { str[--length] = '\0'; if( !length ) { HeapFree( GetProcessHeap(), 0, str ); break; } } } if( !length ) { str = emptyTitleText; length = lstrlenW( str ); } if( str ) { HDC hDC = GetDC( wnd->hwndSelf ); if( hDC ) { HFONT hPrevFont = SelectObject( hDC, hIconTitleFont ); SetRect( lpRect, 0, 0, GetSystemMetrics(SM_CXICONSPACING) - GetSystemMetrics(SM_CXBORDER) * 2, GetSystemMetrics(SM_CYBORDER) * 2 ); DrawTextW( hDC, str, length, lpRect, DT_CALCRECT | DT_CENTER | DT_NOPREFIX | DT_WORDBREAK | (( bMultiLineTitle ) ? 0 : DT_SINGLELINE) ); SelectObject( hDC, hPrevFont ); ReleaseDC( wnd->hwndSelf, hDC ); lpRect->right += 4 * GetSystemMetrics(SM_CXBORDER) - lpRect->left; lpRect->left = wnd->owner->rectWindow.left + GetSystemMetrics(SM_CXICON) / 2 - (lpRect->right - lpRect->left) / 2; lpRect->bottom -= lpRect->top; lpRect->top = wnd->owner->rectWindow.top + GetSystemMetrics(SM_CYICON); } if( str != emptyTitleText ) HeapFree( GetProcessHeap(), 0, str ); return ( hDC ) ? TRUE : FALSE; } return FALSE; } /*********************************************************************** * ICONTITLE_Paint */ static BOOL ICONTITLE_Paint( WND* wnd, HDC hDC, BOOL bActive ) { HFONT hPrevFont; HBRUSH hBrush = 0; COLORREF textColor = 0; if( bActive ) { hBrush = GetSysColorBrush(COLOR_ACTIVECAPTION); textColor = GetSysColor(COLOR_CAPTIONTEXT); } else { if( wnd->dwStyle & WS_CHILD ) { hBrush = (HBRUSH) GetClassLongA(wnd->hwndSelf, GCL_HBRBACKGROUND); if( hBrush ) { INT level; LOGBRUSH logBrush; GetObjectA( hBrush, sizeof(logBrush), &logBrush ); level = GetRValue(logBrush.lbColor) + GetGValue(logBrush.lbColor) + GetBValue(logBrush.lbColor); if( level < (0x7F * 3) ) textColor = RGB( 0xFF, 0xFF, 0xFF ); } else hBrush = GetStockObject( WHITE_BRUSH ); } else { hBrush = GetStockObject( BLACK_BRUSH ); textColor = RGB( 0xFF, 0xFF, 0xFF ); } } FillWindow16( wnd->parent->hwndSelf, wnd->hwndSelf, hDC, hBrush ); hPrevFont = SelectObject( hDC, hIconTitleFont ); if( hPrevFont ) { RECT rect; INT length; char buffer[80]; rect.left = rect.top = 0; rect.right = wnd->rectWindow.right - wnd->rectWindow.left; rect.bottom = wnd->rectWindow.bottom - wnd->rectWindow.top; length = GetWindowTextA( wnd->owner->hwndSelf, buffer, 80 ); SetTextColor( hDC, textColor ); SetBkMode( hDC, TRANSPARENT ); DrawTextA( hDC, buffer, length, &rect, DT_CENTER | DT_NOPREFIX | DT_WORDBREAK | ((bMultiLineTitle) ? 0 : DT_SINGLELINE) ); SelectObject( hDC, hPrevFont ); } return ( hPrevFont ) ? TRUE : FALSE; } /*********************************************************************** * IconTitleWndProc */ LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam ) { LRESULT retvalue; WND *wnd = WIN_FindWndPtr( hWnd ); if( !wnd ) return 0; switch( msg ) { case WM_CREATE: if (!hIconTitleFont) { LOGFONTA logFont; SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 ); SystemParametersInfoA( SPI_GETICONTITLEWRAP, 0, &bMultiLineTitle, 0 ); hIconTitleFont = CreateFontIndirectA( &logFont ); } retvalue = (hIconTitleFont) ? 0 : -1; goto END; case WM_NCHITTEST: retvalue = HTCAPTION; goto END; case WM_NCMOUSEMOVE: case WM_NCLBUTTONDBLCLK: retvalue = SendMessageA( wnd->owner->hwndSelf, msg, wParam, lParam ); goto END; case WM_ACTIVATE: if( wParam ) SetActiveWindow( wnd->owner->hwndSelf ); /* fall through */ case WM_CLOSE: retvalue = 0; goto END; case WM_SHOWWINDOW: if( wnd && wParam ) { RECT titleRect; ICONTITLE_GetTitlePos( wnd, &titleRect ); if( wnd->owner->next != wnd ) /* keep icon title behind the owner */ SetWindowPos( hWnd, wnd->owner->hwndSelf, titleRect.left, titleRect.top, titleRect.right, titleRect.bottom, SWP_NOACTIVATE ); else SetWindowPos( hWnd, 0, titleRect.left, titleRect.top, titleRect.right, titleRect.bottom, SWP_NOACTIVATE | SWP_NOZORDER ); } retvalue = 0; goto END; case WM_ERASEBKGND: if( wnd ) { WND* iconWnd = WIN_LockWndPtr(wnd->owner); if( iconWnd->dwStyle & WS_CHILD ) lParam = SendMessageA( iconWnd->hwndSelf, WM_ISACTIVEICON, 0, 0 ); else lParam = (iconWnd->hwndSelf == GetActiveWindow16()); WIN_ReleaseWndPtr(iconWnd); if( ICONTITLE_Paint( wnd, (HDC)wParam, (BOOL)lParam ) ) ValidateRect( hWnd, NULL ); retvalue = 1; goto END; } } retvalue = DefWindowProcW( hWnd, msg, wParam, lParam ); END: WIN_ReleaseWndPtr(wnd); return retvalue; }