diff options
Diffstat (limited to 'fpicker/source/win32/filepicker/helppopupwindow.cxx')
| -rw-r--r-- | fpicker/source/win32/filepicker/helppopupwindow.cxx | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/fpicker/source/win32/filepicker/helppopupwindow.cxx b/fpicker/source/win32/filepicker/helppopupwindow.cxx new file mode 100644 index 000000000000..79c915e73906 --- /dev/null +++ b/fpicker/source/win32/filepicker/helppopupwindow.cxx @@ -0,0 +1,614 @@ +/************************************************************************* + * + * $RCSfile: helppopupwindow.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: tra $ $Date: 2001-08-03 13:51:04 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +//------------------------------------------------------------------------ +// includes +//------------------------------------------------------------------------ + +#ifndef _HELPPOPUPWINDOW_HXX_ +#include "helppopupwindow.hxx" +#endif + +#ifndef _OSL_DIAGNOSE_H_ +#include <osl/diagnose.h> +#endif + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +using rtl::OUString; +using osl::Mutex; + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + +namespace /* private */ +{ + + const char* CURRENT_INSTANCE = "CurrInst"; + +}; + +//------------------------------------------------------------------------ +// defines +//------------------------------------------------------------------------ + +#define HELPPOPUPWND_CLASS_NAME L"hlppopupwnd###" + +const sal_Int32 DEFAULT_MINWIDTH = 250; + +const sal_Int32 SHADOW_WIDTH = 6; +const sal_Int32 SHADOW_HEIGHT = 6; +const sal_Int32 SHADOW_OFFSET = 6; +const sal_Int32 YOFFSET = 20; + +const DWORD OUTER_FRAME_COLOR = 0; // black + +// it's the standard windows color of an inactive window border +const DWORD INNER_FRAME_COLOR = 0xC8D0D4; + +//--------------------------------------------------- +// static member initialization +//--------------------------------------------------- + +osl::Mutex CHelpPopupWindow::s_Mutex; +ATOM CHelpPopupWindow::s_ClassAtom = 0; +sal_Int32 CHelpPopupWindow::s_RegisterWndClassCount = 0; + +//--------------------------------------------------- +// +//--------------------------------------------------- + +CHelpPopupWindow::CHelpPopupWindow( + HINSTANCE hInstance, + HWND hwndParent, + sal_Int32 minWidth, + sal_Int32 hMargins, + sal_Int32 vMargins ) : + m_minWidth( minWidth ? minWidth : DEFAULT_MINWIDTH ), + m_hMargins( hMargins ), + m_vMargins( vMargins ), + m_hwnd( NULL ), + m_hwndParent( hwndParent ), + m_hInstance( hInstance ), + m_hBitmapShadow( NULL ), + m_hBrushShadow( NULL ) +{ + m_bWndClassRegistered = RegisterWindowClass( ) ? sal_True : sal_False; + + // create a pattern brush for the window shadow + int aPattern[] = { 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55 }; + + m_hBitmapShadow = CreateBitmap( 8, 8, 1, 1, aPattern ); + m_hBrushShadow = CreatePatternBrush( m_hBitmapShadow ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +CHelpPopupWindow::~CHelpPopupWindow( ) +{ + // remember: we don't have to destroy the + // preview window because it will be destroyed + // by it's parent window (the FileOpen dialog) + // but we have to unregister the window class + if ( m_bWndClassRegistered ) + UnregisterWindowClass( ); + + DeleteObject( m_hBitmapShadow ); + DeleteObject( m_hBrushShadow ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::setText( const rtl::OUString& aHelpText ) +{ + m_HelpText = aHelpText; +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::show( sal_Int32 x, sal_Int32 y ) +{ + OSL_ENSURE( NULL == m_hwnd, "method should not be called twice in sequence" ); + + // we create a window with length and heigth of 0 + // first in order to get a device context of this + // window, then we calculate the upper left corner + // and the dimensions and resize the window + + m_hwnd = CreateWindowExW( + NULL, + HELPPOPUPWND_CLASS_NAME, + NULL, + WS_POPUP, + 0, + 0, + 0, + 0, + m_hwndParent, + NULL, + m_hInstance, + (LPVOID)this ); + + OSL_ENSURE( m_hwnd, "creating help popup window failed" ); + + sal_Int32 cx_new; + sal_Int32 cy_new; + + adjustWindowSize( &cx_new, &cy_new ); + adjustWindowPos( x, y, cx_new, cy_new ); + + UpdateWindow( m_hwnd ); + ShowWindow( m_hwnd, SW_SHOW ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +HWND SAL_CALL CHelpPopupWindow::setParent( HWND hwndNewParent ) +{ + HWND oldParent = m_hwndParent; + + m_hwndParent = hwndNewParent; + + return oldParent; +} + +//--------------------------------------------------- +// calculates the necessary dimensions of the popup +// window including the margins etc. +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::calcWindowRect( LPRECT lprect ) +{ + OSL_ASSERT( m_hwnd && lprect ); + + SetRectEmpty( lprect ); + SetRect( lprect, 0, 0, ( m_minWidth - 2 * m_hMargins ), 0 ); + + HDC hdc = GetDC( m_hwnd ); + + int nRet = DrawTextW( + hdc, + m_HelpText.getStr( ), + m_HelpText.getLength( ), + lprect, + DT_INTERNAL | DT_WORDBREAK | DT_CALCRECT | DT_VCENTER | DT_LEFT ); + + lprect->bottom += m_vMargins + SHADOW_HEIGHT; + + if ( lprect->right < m_minWidth ) + lprect->right = m_minWidth; + + lprect->right += SHADOW_WIDTH; + + ReleaseDC( m_hwnd, hdc ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::adjustWindowSize( sal_Int32* cx_new, sal_Int32* cy_new ) +{ + OSL_ASSERT( cx_new && cy_new ); + + RECT rect; + calcWindowRect( &rect ); + + // adjust the window size + SetWindowPos( + m_hwnd, + NULL, + 0, + 0, + rect.right, + rect.bottom, + SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER ); + + *cx_new = rect.right; + *cy_new = rect.bottom; +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::adjustWindowPos( + sal_Int32 x, sal_Int32 y, sal_Int32 cx, sal_Int32 cy ) +{ + int popX; + int popY; + int popWidth; + int popHeight; + + OSL_ASSERT( m_hwnd ); + + HDC hdc = GetDC( m_hwnd ); + + // assuming these are screen coordinates + popWidth = cx; + popHeight = cy; + popX = x - ( popWidth / 2 ); + popY = y - YOFFSET; + + int xScreen = GetDeviceCaps( hdc, HORZRES ); + int yScreen = GetDeviceCaps( hdc, VERTRES ); + + if (popX < 0) + popX = 0; + + if (popY < 0) + popY = 0; + + if ((popX + popWidth) > xScreen) + popX = xScreen - popWidth; + + if ((popY + popHeight) > yScreen) + popY = yScreen - popHeight; + + SetWindowPos( + m_hwnd, + NULL, + popX, + popY, + 0, + 0, + SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE ); + + ReleaseDC( m_hwnd, hdc ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::onPaint( HWND hWnd, HDC hdc ) +{ + RECT rc; + RECT rect; + HGDIOBJ hpen, hpenOld; + HGDIOBJ hbrOld; + COLORREF oldBkColor; + COLORREF oldTextColor; + HGDIOBJ oldFont; + HGDIOBJ oldBrush; + HGDIOBJ hBrush; + + GetClientRect( hWnd, &rc ); + + // draw the black border + + hBrush = CreateSolidBrush( GetSysColor( COLOR_INFOBK ) ); + oldBrush = SelectObject( hdc, hBrush ); + + hpen = CreatePen( PS_SOLID, 0, OUTER_FRAME_COLOR ); + hpenOld = SelectObject( hdc, hpen ); + + Rectangle( hdc, + rc.left + 1, + rc.top + 1, + rc.right - SHADOW_WIDTH, + rc.bottom - SHADOW_HEIGHT); + + SelectObject( hdc, oldBrush ); + SelectObject( hdc, hpenOld ); + + DeleteObject( hBrush ); + DeleteObject( hpen ); + + // draw a light gray border + + hBrush = CreateSolidBrush( GetSysColor( COLOR_INFOBK ) ); + oldBrush = SelectObject( hdc, hBrush ); + + hpen = CreatePen( PS_SOLID, 0, INNER_FRAME_COLOR ); + hpenOld = SelectObject( hdc, hpen ); + + Rectangle( hdc, + rc.left + 2, + rc.top + 2, + rc.right - SHADOW_WIDTH - 1, + rc.bottom - SHADOW_HEIGHT - 1 ); + + SelectObject( hdc, oldBrush ); + SelectObject( hdc, hpenOld ); + + DeleteObject( hBrush ); + DeleteObject( hpen ); + + // Write some text to this window + + rect.left = rc.left + 1 + m_hMargins; + rect.top = rc.top + 1 + m_vMargins / 2; + rect.right = rc.right - SHADOW_WIDTH - m_hMargins; + rect.bottom = rc.bottom - SHADOW_HEIGHT - m_vMargins / 2; + + oldBkColor = SetBkColor( hdc, GetSysColor( COLOR_INFOBK ) ); + oldTextColor = SetTextColor( hdc, COLOR_INFOTEXT ); + + oldFont = SelectObject( hdc, GetStockObject( DEFAULT_GUI_FONT ) ); + + DrawTextW( + hdc, + (LPWSTR)m_HelpText.getStr( ), + m_HelpText.getLength( ), + &rect, + DT_INTERNAL | DT_WORDBREAK | DT_VCENTER | DT_LEFT ); + + SelectObject( hdc, oldFont ); + SetTextColor( hdc, oldTextColor ); + SetBkColor( hdc, oldBkColor ); + + // Get our brush for the shadow + + UnrealizeObject( m_hBrushShadow ); + hbrOld = SelectObject( hdc, m_hBrushShadow ); + + // bottom shadow + + PatBlt(hdc, + rc.left + SHADOW_OFFSET, + rc.bottom - SHADOW_HEIGHT, + rc.right - SHADOW_OFFSET, + SHADOW_HEIGHT, + 0xA000C9); + + // right-side shadow + + PatBlt(hdc, + rc.right - SHADOW_WIDTH, + rc.top + SHADOW_OFFSET, + SHADOW_WIDTH, + rc.bottom, + 0xA000C9); + + SelectObject(hdc, hbrOld); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::onNcDestroy( HWND hwnd ) +{ + m_hwnd = NULL; +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::onCreate( HWND hwnd ) +{ + m_hwnd = hwnd; + + HDC hdc = GetDC( m_hwnd ); + + TEXTMETRIC tm; + + GetTextMetrics( hdc, &tm ); + + sal_Int32 cxChar = tm.tmAveCharWidth; + sal_Int32 cyChar = tm.tmHeight; + + if ( 0 == m_hMargins ) + m_hMargins = cxChar; + + if ( 0 == m_vMargins ) + m_vMargins = cyChar; + + ReleaseDC( m_hwnd, hdc ); +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +LRESULT CALLBACK CHelpPopupWindow::WndProc( + HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) +{ + LRESULT lResult = 0; + + switch ( uMsg ) + { + case WM_CREATE: + { + LPCREATESTRUCT lpcs = + reinterpret_cast< LPCREATESTRUCT >( lParam ); + + OSL_ASSERT( lpcs->lpCreateParams ); + + CHelpPopupWindow* pImpl = reinterpret_cast< CHelpPopupWindow* >( + lpcs->lpCreateParams ); + + // connect the instance handle to the window + SetPropA( hWnd, CURRENT_INSTANCE, pImpl ); + + pImpl->onCreate( hWnd ); + + // capture mouse and keybord events + SetCapture( hWnd ); + } + break; + + case WM_PAINT: + { + CHelpPopupWindow* pImpl = reinterpret_cast< CHelpPopupWindow* >( + GetPropA( hWnd, CURRENT_INSTANCE ) ); + + OSL_ASSERT( pImpl ); + + PAINTSTRUCT ps; + + BeginPaint(hWnd, &ps); + pImpl->onPaint( hWnd, ps.hdc ); + EndPaint(hWnd, &ps); + } + break; + + case WM_NCDESTROY: + { + // RemoveProp returns the saved value on success + CHelpPopupWindow* pImpl = reinterpret_cast< CHelpPopupWindow* >( + RemovePropA( hWnd, CURRENT_INSTANCE ) ); + + OSL_ASSERT( pImpl ); + + pImpl->onNcDestroy( hWnd ); + } + break; + + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + case WM_LBUTTONDOWN: + case WM_MBUTTONDOWN: + case WM_RBUTTONDOWN: + ReleaseCapture(); + DestroyWindow(hWnd); + break; + + default: + return DefWindowProc(hWnd, uMsg, wParam, lParam); + } + + return lResult; +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +ATOM SAL_CALL CHelpPopupWindow::RegisterWindowClass( ) +{ + osl::MutexGuard aGuard( s_Mutex ); + + if ( 0 == s_ClassAtom ) + { + // register the window class + WNDCLASSEXW wndClsEx; + + ZeroMemory( &wndClsEx, sizeof( WNDCLASSEXW ) ); + + wndClsEx.cbSize = sizeof( WNDCLASSEXW ); + wndClsEx.lpfnWndProc = CHelpPopupWindow::WndProc; + wndClsEx.hInstance = m_hInstance; + wndClsEx.hCursor = LoadCursor(NULL, IDC_ARROW); + wndClsEx.hbrBackground = (HBRUSH)GetStockObject( NULL_BRUSH ); + wndClsEx.lpszClassName = HELPPOPUPWND_CLASS_NAME; + + // register the preview window class + // !!! Win95 - the window class will be unregistered automaticly + // if the dll is unloaded + // Win2000 - the window class must be unregistered manually + // if the dll is unloaded + s_ClassAtom = RegisterClassExW( &wndClsEx ); + OSL_ASSERT( s_ClassAtom ); + } + + // increment the register class counter + // so that we keep track of the number + // of class registrations + if ( 0 != s_ClassAtom ) + s_RegisterWndClassCount++; + + return s_ClassAtom; +} + +//--------------------------------------------------- +// +//--------------------------------------------------- + +void SAL_CALL CHelpPopupWindow::UnregisterWindowClass( ) +{ + osl::MutexGuard aGuard( s_Mutex ); + + OSL_ASSERT( ( (0 != s_ClassAtom) && (s_RegisterWndClassCount > 0)) || + ( (0 == s_ClassAtom) && (0 == s_RegisterWndClassCount) ) ); + + // update the register class counter + // and unregister the window class if + // counter drops to zero + if ( 0 != s_ClassAtom ) + { + s_RegisterWndClassCount--; + OSL_ASSERT( s_RegisterWndClassCount >= 0 ); + } + + if ( 0 == s_RegisterWndClassCount ) + { + bool bRet = UnregisterClass( + (LPCTSTR)MAKELONG( s_ClassAtom, 0 ), m_hInstance ); + + OSL_ENSURE( bRet, "unregister window class failed" ); + + s_ClassAtom = 0; + } +}
\ No newline at end of file |