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Diffstat (limited to '')
| -rw-r--r-- | vcl/win/window/salobj.cxx | 727 |
1 files changed, 727 insertions, 0 deletions
diff --git a/vcl/win/window/salobj.cxx b/vcl/win/window/salobj.cxx new file mode 100644 index 000000000..e2ba3856b --- /dev/null +++ b/vcl/win/window/salobj.cxx @@ -0,0 +1,727 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + +#include <string.h> + +#include <svsys.h> + +#include <vcl/svapp.hxx> +#include <sal/log.hxx> + +#include <win/wincomp.hxx> +#include <win/saldata.hxx> +#include <win/salinst.h> +#include <win/salframe.h> +#include <win/salobj.h> + +#include <comphelper/windowserrorstring.hxx> + +static bool ImplIsSysWindowOrChild( HWND hWndParent, HWND hWndChild ) +{ + if ( hWndParent == hWndChild ) + return true; + + HWND hTempWnd = ::GetParent( hWndChild ); + while ( hTempWnd ) + { + // stop searching if not a child window + if ( !(GetWindowStyle( hTempWnd ) & WS_CHILD) ) + return false; + if ( hTempWnd == hWndParent ) + return true; + hTempWnd = ::GetParent( hTempWnd ); + } + + return false; +} + +WinSalObject* ImplFindSalObject( HWND hWndChild ) +{ + SalData* pSalData = GetSalData(); + WinSalObject* pObject = pSalData->mpFirstObject; + while ( pObject ) + { + if ( ImplIsSysWindowOrChild( pObject->mhWndChild, hWndChild ) ) + return pObject; + + pObject = pObject->mpNextObject; + } + + return nullptr; +} + +static WinSalFrame* ImplFindSalObjectFrame( HWND hWnd ) +{ + WinSalFrame* pFrame = nullptr; + WinSalObject* pObject = ImplFindSalObject( hWnd ); + if ( pObject ) + { + // find matching frame + HWND hWnd2 = ::GetParent( pObject->mhWnd ); + pFrame = GetSalData()->mpFirstFrame; + while ( pFrame ) + { + if ( pFrame->mhWnd == hWnd2 ) + break; + + pFrame = pFrame->mpNextFrame; + } + } + + return pFrame; +} + +static LRESULT CALLBACK SalSysMsgProc( int nCode, WPARAM wParam, LPARAM lParam ) +{ + // Used for Unicode and none Unicode + SalData* pSalData = GetSalData(); + + if ( (nCode >= 0) && lParam ) + { + CWPSTRUCT* pData = reinterpret_cast<CWPSTRUCT*>(lParam); + if ( (pData->message != WM_KEYDOWN) && + (pData->message != WM_KEYUP) ) + pSalData->mnSalObjWantKeyEvt = 0; + + + // check if we need to process data for a SalObject-window + WinSalObject* pObject; + if ( pData->message == WM_SETFOCUS ) + { + pObject = ImplFindSalObject( pData->hwnd ); + if ( pObject ) + { + pObject->mhLastFocusWnd = pData->hwnd; + if ( ImplSalYieldMutexTryToAcquire() ) + { + pObject->CallCallback( SalObjEvent::GetFocus ); + ImplSalYieldMutexRelease(); + } + else + { + bool const ret = PostMessageW(pObject->mhWnd, SALOBJ_MSG_POSTFOCUS, 0, 0); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + } + } + else if ( pData->message == WM_KILLFOCUS ) + { + pObject = ImplFindSalObject( pData->hwnd ); + if ( pObject && !ImplFindSalObject( reinterpret_cast<HWND>(pData->wParam) ) ) + { + // only call LoseFocus, if truly no child window gets the focus + if ( !pData->wParam || !ImplFindSalObject( reinterpret_cast<HWND>(pData->wParam) ) ) + { + if ( ImplSalYieldMutexTryToAcquire() ) + { + pObject->CallCallback( SalObjEvent::LoseFocus ); + ImplSalYieldMutexRelease(); + } + else + { + bool const ret = PostMessageW(pObject->mhWnd, SALOBJ_MSG_POSTFOCUS, 0, 0); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + } + else + pObject->mhLastFocusWnd = reinterpret_cast<HWND>(pData->wParam); + } + } + } + + return CallNextHookEx( pSalData->mhSalObjMsgHook, nCode, wParam, lParam ); +} + +bool ImplSalPreDispatchMsg( const MSG* pMsg ) +{ + // Used for Unicode and none Unicode + SalData* pSalData = GetSalData(); + WinSalObject* pObject; + + if ( (pMsg->message == WM_LBUTTONDOWN) || + (pMsg->message == WM_RBUTTONDOWN) || + (pMsg->message == WM_MBUTTONDOWN) ) + { + ImplSalYieldMutexAcquireWithWait(); + pObject = ImplFindSalObject( pMsg->hwnd ); + if ( pObject && !pObject->IsMouseTransparent() ) + { + bool const ret = PostMessageW(pObject->mhWnd, SALOBJ_MSG_TOTOP, 0, 0); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + ImplSalYieldMutexRelease(); + } + + if ( (pMsg->message == WM_KEYDOWN) || + (pMsg->message == WM_KEYUP) ) + { + // process KeyEvents even if the control does not process them itself + // SysKeys are processed as WM_SYSCOMMAND + // Char-Events are not processed, as they are not accelerator-relevant + bool bWantedKeyCode = false; + // A-Z, 0-9 only when combined with the Control-key + if ( ((pMsg->wParam >= 65) && (pMsg->wParam <= 90)) || + ((pMsg->wParam >= 48) && (pMsg->wParam <= 57)) ) + { + if ( GetKeyState( VK_CONTROL ) & 0x8000 ) + bWantedKeyCode = true; + } + else if ( ((pMsg->wParam >= VK_F1) && (pMsg->wParam <= VK_F24)) || + ((pMsg->wParam >= VK_SPACE) && (pMsg->wParam <= VK_HELP)) || + (pMsg->wParam == VK_BACK) || (pMsg->wParam == VK_TAB) || + (pMsg->wParam == VK_CLEAR) || (pMsg->wParam == VK_RETURN) || + (pMsg->wParam == VK_ESCAPE) ) + bWantedKeyCode = true; + if ( bWantedKeyCode ) + { + ImplSalYieldMutexAcquireWithWait(); + pObject = ImplFindSalObject( pMsg->hwnd ); + if ( pObject ) + pSalData->mnSalObjWantKeyEvt = pMsg->wParam; + ImplSalYieldMutexRelease(); + } + } + // check WM_SYSCHAR, to activate menu with Alt key + else if ( pMsg->message == WM_SYSCHAR ) + { + pSalData->mnSalObjWantKeyEvt = 0; + + sal_uInt16 nKeyCode = LOWORD( pMsg->wParam ); + // only 0-9 and A-Z + if ( ((nKeyCode >= 48) && (nKeyCode <= 57)) || + ((nKeyCode >= 65) && (nKeyCode <= 90)) || + ((nKeyCode >= 97) && (nKeyCode <= 122)) ) + { + bool bRet = false; + ImplSalYieldMutexAcquireWithWait(); + pObject = ImplFindSalObject( pMsg->hwnd ); + if ( pObject ) + { + if ( pMsg->hwnd == ::GetFocus() ) + { + WinSalFrame* pFrame = ImplFindSalObjectFrame( pMsg->hwnd ); + if ( pFrame ) + { + if ( ImplHandleSalObjSysCharMsg( pFrame->mhWnd, pMsg->wParam, pMsg->lParam ) ) + bRet = true; + } + } + } + ImplSalYieldMutexRelease(); + if ( bRet ) + return true; + } + } + else + pSalData->mnSalObjWantKeyEvt = 0; + + return false; +} + +void ImplSalPostDispatchMsg( const MSG* pMsg ) +{ + // Used for Unicode and none Unicode + SalData *pSalData = GetSalData(); + + if ( (pMsg->message == WM_KEYDOWN) || (pMsg->message == WM_KEYUP) ) + { + if ( pSalData->mnSalObjWantKeyEvt == pMsg->wParam ) + { + pSalData->mnSalObjWantKeyEvt = 0; + if ( pMsg->hwnd == ::GetFocus() ) + { + ImplSalYieldMutexAcquireWithWait(); + WinSalFrame* pFrame = ImplFindSalObjectFrame( pMsg->hwnd ); + if ( pFrame ) + ImplHandleSalObjKeyMsg( pFrame->mhWnd, pMsg->message, pMsg->wParam, pMsg->lParam ); + ImplSalYieldMutexRelease(); + } + } + } + + pSalData->mnSalObjWantKeyEvt = 0; +} + +static LRESULT CALLBACK SalSysObjWndProc( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam, int& rDef ) +{ + WinSalObject* pSysObj; + LRESULT nRet = 0; + + switch( nMsg ) + { + case WM_ERASEBKGND: + nRet = 1; + rDef = FALSE; + break; + case WM_PAINT: + { + PAINTSTRUCT aPs; + BeginPaint( hWnd, &aPs ); + EndPaint( hWnd, &aPs ); + rDef = FALSE; + } + break; + + case WM_PARENTNOTIFY: + { + UINT nNotifyMsg = LOWORD( wParam ); + if ( (nNotifyMsg == WM_LBUTTONDOWN) || + (nNotifyMsg == WM_RBUTTONDOWN) || + (nNotifyMsg == WM_MBUTTONDOWN) ) + { + ImplSalYieldMutexAcquireWithWait(); + pSysObj = GetSalObjWindowPtr( hWnd ); + if ( pSysObj && !pSysObj->IsMouseTransparent() ) + pSysObj->CallCallback( SalObjEvent::ToTop ); + ImplSalYieldMutexRelease(); + } + } + break; + + case WM_MOUSEACTIVATE: + { + ImplSalYieldMutexAcquireWithWait(); + pSysObj = GetSalObjWindowPtr( hWnd ); + if ( pSysObj && !pSysObj->IsMouseTransparent() ) + { + bool const ret = PostMessageW( hWnd, SALOBJ_MSG_TOTOP, 0, 0 ); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + ImplSalYieldMutexRelease(); + } + break; + + case SALOBJ_MSG_TOTOP: + if ( ImplSalYieldMutexTryToAcquire() ) + { + pSysObj = GetSalObjWindowPtr( hWnd ); + pSysObj->CallCallback( SalObjEvent::ToTop ); + ImplSalYieldMutexRelease(); + rDef = FALSE; + } + else + { + bool const ret = PostMessageW( hWnd, SALOBJ_MSG_TOTOP, 0, 0 ); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + break; + + case SALOBJ_MSG_POSTFOCUS: + if ( ImplSalYieldMutexTryToAcquire() ) + { + pSysObj = GetSalObjWindowPtr( hWnd ); + HWND hFocusWnd = ::GetFocus(); + SalObjEvent nEvent; + if ( hFocusWnd && ImplIsSysWindowOrChild( hWnd, hFocusWnd ) ) + nEvent = SalObjEvent::GetFocus; + else + nEvent = SalObjEvent::LoseFocus; + pSysObj->CallCallback( nEvent ); + ImplSalYieldMutexRelease(); + } + else + { + bool const ret = PostMessageW(hWnd, SALOBJ_MSG_POSTFOCUS, 0, 0); + SAL_WARN_IF(!ret, "vcl", "ERROR: PostMessage() failed!"); + } + rDef = FALSE; + break; + + case WM_SIZE: + { + HWND hWndChild = GetWindow( hWnd, GW_CHILD ); + if ( hWndChild ) + { + SetWindowPos( hWndChild, + nullptr, 0, 0, static_cast<int>(LOWORD( lParam )), static_cast<int>(HIWORD( lParam )), + SWP_NOZORDER | SWP_NOACTIVATE ); + } + } + rDef = FALSE; + break; + + case WM_CREATE: + { + // Save the window instance at the window handle. + // Can also be used for the A-Version, because the struct + // to access lpCreateParams is the same structure + CREATESTRUCTW* pStruct = reinterpret_cast<CREATESTRUCTW*>(lParam); + pSysObj = static_cast<WinSalObject*>(pStruct->lpCreateParams); + SetSalObjWindowPtr( hWnd, pSysObj ); + // set HWND already here, + // as instance data might be used during CreateWindow() events + pSysObj->mhWnd = hWnd; + rDef = FALSE; + } + break; + } + + return nRet; +} + +static LRESULT CALLBACK SalSysObjWndProcW( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam ) +{ + int bDef = TRUE; + LRESULT nRet = SalSysObjWndProc( hWnd, nMsg, wParam, lParam, bDef ); + if ( bDef ) + nRet = DefWindowProcW( hWnd, nMsg, wParam, lParam ); + return nRet; +} + +static LRESULT CALLBACK SalSysObjChildWndProc( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam, int& rDef ) +{ + LRESULT nRet = 0; + + switch( nMsg ) + { + // clear background for plugins + case WM_ERASEBKGND: + { + WinSalObject* pSysObj = GetSalObjWindowPtr( ::GetParent( hWnd ) ); + + if( pSysObj && !pSysObj->IsEraseBackgroundEnabled() ) + { + // do not erase background + nRet = 1; + rDef = FALSE; + } + } + break; + + case WM_PAINT: + { + PAINTSTRUCT aPs; + BeginPaint( hWnd, &aPs ); + EndPaint( hWnd, &aPs ); + rDef = FALSE; + } + break; + + case WM_MOUSEMOVE: + case WM_LBUTTONDOWN: + case WM_MBUTTONDOWN: + case WM_RBUTTONDOWN: + case WM_LBUTTONUP: + case WM_MBUTTONUP: + case WM_RBUTTONUP: + { + WinSalObject* pSysObj; + pSysObj = GetSalObjWindowPtr( ::GetParent( hWnd ) ); + + if( pSysObj && pSysObj->IsMouseTransparent() ) + { + // forward mouse events to parent frame + HWND hWndParent = ::GetParent( pSysObj->mhWnd ); + + // transform coordinates + POINT pt; + pt.x = static_cast<tools::Long>(LOWORD( lParam )); + pt.y = static_cast<tools::Long>(HIWORD( lParam )); + MapWindowPoints( hWnd, hWndParent, &pt, 1 ); + lParam = MAKELPARAM( static_cast<WORD>(pt.x), static_cast<WORD>(pt.y) ); + + nRet = SendMessageW( hWndParent, nMsg, wParam, lParam ); + rDef = FALSE; + } + } + break; + } + + return nRet; +} + +static LRESULT CALLBACK SalSysObjChildWndProcW( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam ) +{ + int bDef = TRUE; + LRESULT nRet = SalSysObjChildWndProc( hWnd, nMsg, wParam, lParam, bDef ); + if ( bDef ) + nRet = DefWindowProcW( hWnd, nMsg, wParam, lParam ); + return nRet; +} + +SalObject* ImplSalCreateObject( WinSalInstance* pInst, WinSalFrame* pParent ) +{ + SalData* pSalData = GetSalData(); + + // install hook, if it is the first SalObject + if ( !pSalData->mpFirstObject ) + { + pSalData->mhSalObjMsgHook = SetWindowsHookExW( WH_CALLWNDPROC, + SalSysMsgProc, + pSalData->mhInst, + pSalData->mnAppThreadId ); + } + + if ( !pSalData->mbObjClassInit ) + { + WNDCLASSEXW aWndClassEx; + aWndClassEx.cbSize = sizeof( aWndClassEx ); + aWndClassEx.style = 0; + aWndClassEx.lpfnWndProc = SalSysObjWndProcW; + aWndClassEx.cbClsExtra = 0; + aWndClassEx.cbWndExtra = SAL_OBJECT_WNDEXTRA; + aWndClassEx.hInstance = pSalData->mhInst; + aWndClassEx.hIcon = nullptr; + aWndClassEx.hIconSm = nullptr; + aWndClassEx.hCursor = LoadCursor( nullptr, IDC_ARROW ); + aWndClassEx.hbrBackground = nullptr; + aWndClassEx.lpszMenuName = nullptr; + aWndClassEx.lpszClassName = SAL_OBJECT_CLASSNAMEW; + if ( RegisterClassExW( &aWndClassEx ) ) + { + // Clean background first because of plugins. + aWndClassEx.cbWndExtra = 0; + aWndClassEx.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW+1); + aWndClassEx.lpfnWndProc = SalSysObjChildWndProcW; + aWndClassEx.lpszClassName = SAL_OBJECT_CHILDCLASSNAMEW; + if ( RegisterClassExW( &aWndClassEx ) ) + pSalData->mbObjClassInit = true; + } + } + + if ( pSalData->mbObjClassInit ) + { + WinSalObject* pObject = new WinSalObject; + + // #135235# Clip siblings of this + // SystemChildWindow. Otherwise, DXCanvas (using a hidden + // SystemChildWindow) clobbers applets/plugins during + // animations . + HWND hWnd = CreateWindowExW( 0, SAL_OBJECT_CLASSNAMEW, L"", + WS_CHILD | WS_CLIPSIBLINGS, 0, 0, 0, 0, + pParent->mhWnd, nullptr, + pInst->mhInst, pObject ); + + HWND hWndChild = nullptr; + if ( hWnd ) + { + // #135235# Explicitly stack SystemChildWindows in + // the order they're created - since there's no notion + // of zorder. + SetWindowPos(hWnd,HWND_TOP,0,0,0,0, + SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOREDRAW|SWP_NOSIZE); + hWndChild = CreateWindowExW( 0, SAL_OBJECT_CHILDCLASSNAMEW, L"", + WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE, + 0, 0, 0, 0, + hWnd, nullptr, + pInst->mhInst, nullptr ); + } + + if ( !hWndChild ) + { + SAL_WARN("vcl", "CreateWindowExW failed: " << WindowsErrorString(GetLastError())); + + delete pObject; + return nullptr; + } + + if ( hWnd ) + { + pObject->mhWnd = hWnd; + pObject->mhWndChild = hWndChild; + pObject->maSysData.hWnd = hWndChild; + return pObject; + } + } + + return nullptr; +} + +WinSalObject::WinSalObject() +{ + SalData* pSalData = GetSalData(); + + mhWnd = nullptr; + mhWndChild = nullptr; + mhLastFocusWnd = nullptr; + mpStdClipRgnData = nullptr; + + // Insert object in objectlist + mpNextObject = pSalData->mpFirstObject; + pSalData->mpFirstObject = this; +} + +WinSalObject::~WinSalObject() +{ + SalData* pSalData = GetSalData(); + + // remove frame from framelist + if ( this == pSalData->mpFirstObject ) + { + pSalData->mpFirstObject = mpNextObject; + + // remove hook, if it is the last SalObject + if ( !pSalData->mpFirstObject ) + UnhookWindowsHookEx( pSalData->mhSalObjMsgHook ); + } + else + { + WinSalObject* pTempObject = pSalData->mpFirstObject; + while ( pTempObject->mpNextObject != this ) + pTempObject = pTempObject->mpNextObject; + + pTempObject->mpNextObject = mpNextObject; + } + + // destroy cache data + delete [] reinterpret_cast<BYTE*>(mpStdClipRgnData); + + HWND hWndParent = ::GetParent( mhWnd ); + + if ( mhWndChild ) + DestroyWindow( mhWndChild ); + if ( mhWnd ) + DestroyWindow( mhWnd ); + + // reset palette, if no external child window is left, + // as they might have overwritten our palette + if ( hWndParent && + ::GetActiveWindow() == hWndParent && + !GetWindow( hWndParent, GW_CHILD ) ) + SendMessageW( hWndParent, SAL_MSG_FORCEPALETTE, 0, 0 ); +} + +void WinSalObject::ResetClipRegion() +{ + SetWindowRgn( mhWnd, nullptr, TRUE ); +} + +void WinSalObject::BeginSetClipRegion( sal_uInt32 nRectCount ) +{ + sal_uLong nRectBufSize = sizeof(RECT)*nRectCount; + if ( nRectCount < SAL_CLIPRECT_COUNT ) + { + if ( !mpStdClipRgnData ) + mpStdClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))]); + mpClipRgnData = mpStdClipRgnData; + } + else + mpClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+nRectBufSize]); + mpClipRgnData->rdh.dwSize = sizeof( RGNDATAHEADER ); + mpClipRgnData->rdh.iType = RDH_RECTANGLES; + mpClipRgnData->rdh.nCount = nRectCount; + mpClipRgnData->rdh.nRgnSize = nRectBufSize; + SetRectEmpty( &(mpClipRgnData->rdh.rcBound) ); + mpNextClipRect = reinterpret_cast<RECT*>(&(mpClipRgnData->Buffer)); + mbFirstClipRect = true; +} + +void WinSalObject::UnionClipRegion( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) +{ + RECT* pRect = mpNextClipRect; + RECT* pBoundRect = &(mpClipRgnData->rdh.rcBound); + tools::Long nRight = nX + nWidth; + tools::Long nBottom = nY + nHeight; + + if ( mbFirstClipRect ) + { + pBoundRect->left = nX; + pBoundRect->top = nY; + pBoundRect->right = nRight; + pBoundRect->bottom = nBottom; + mbFirstClipRect = false; + } + else + { + if ( nX < pBoundRect->left ) + pBoundRect->left = static_cast<int>(nX); + + if ( nY < pBoundRect->top ) + pBoundRect->top = static_cast<int>(nY); + + if ( nRight > pBoundRect->right ) + pBoundRect->right = static_cast<int>(nRight); + + if ( nBottom > pBoundRect->bottom ) + pBoundRect->bottom = static_cast<int>(nBottom); + } + + pRect->left = static_cast<int>(nX); + pRect->top = static_cast<int>(nY); + pRect->right = static_cast<int>(nRight); + pRect->bottom = static_cast<int>(nBottom); + mpNextClipRect++; +} + +void WinSalObject::EndSetClipRegion() +{ + HRGN hRegion; + + // create a ClipRegion from the vcl::Region data + if ( mpClipRgnData->rdh.nCount == 1 ) + { + RECT* pRect = &(mpClipRgnData->rdh.rcBound); + hRegion = CreateRectRgn( pRect->left, pRect->top, + pRect->right, pRect->bottom ); + } + else + { + sal_uLong nSize = mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER); + hRegion = ExtCreateRegion( nullptr, nSize, mpClipRgnData ); + if ( mpClipRgnData != mpStdClipRgnData ) + delete [] reinterpret_cast<BYTE*>(mpClipRgnData); + } + + SAL_WARN_IF( !hRegion, "vcl", "SalObject::EndSetClipRegion() - Can't create ClipRegion" ); + SetWindowRgn( mhWnd, hRegion, TRUE ); +} + +void WinSalObject::SetPosSize( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) +{ + sal_uLong nStyle = 0; + bool bVisible = (GetWindowStyle( mhWnd ) & WS_VISIBLE) != 0; + if ( bVisible ) + { + ShowWindow( mhWnd, SW_HIDE ); + nStyle |= SWP_SHOWWINDOW; + } + SetWindowPos( mhWnd, nullptr, + static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nWidth), static_cast<int>(nHeight), + SWP_NOZORDER | SWP_NOACTIVATE | nStyle ); +} + +void WinSalObject::Show( bool bVisible ) +{ + if ( bVisible ) + ShowWindow( mhWnd, SW_SHOWNORMAL ); + else + ShowWindow( mhWnd, SW_HIDE ); +} + +void WinSalObject::Enable( bool bEnable ) +{ + EnableWindow( mhWnd, bEnable ); +} + +void WinSalObject::GrabFocus() +{ + if ( mhLastFocusWnd && + IsWindow( mhLastFocusWnd ) && + ImplIsSysWindowOrChild( mhWndChild, mhLastFocusWnd ) ) + ::SetFocus( mhLastFocusWnd ); + else + ::SetFocus( mhWndChild ); +} + +const SystemEnvData* WinSalObject::GetSystemData() const +{ + return &maSysData; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |