diff options
Diffstat (limited to 'fpicker/source/win32/filepicker/previewadapter.cxx')
| -rw-r--r-- | fpicker/source/win32/filepicker/previewadapter.cxx | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/fpicker/source/win32/filepicker/previewadapter.cxx b/fpicker/source/win32/filepicker/previewadapter.cxx new file mode 100644 index 000000000000..d8fee2044115 --- /dev/null +++ b/fpicker/source/win32/filepicker/previewadapter.cxx @@ -0,0 +1,713 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_fpicker.hxx" + +#include <tchar.h> +#include "previewadapter.hxx" + +#ifndef _COM_SUN_STAR_UI_DIALOG_FILEPREVIEWIMAGEFORMATS_HPP_ +#include <com/sun/star/ui/dialogs/FilePreviewImageFormats.hpp> +#endif +#include "dibpreview.hxx" +#include "../misc/WinImplHelper.hxx" + +#include <memory> +#include <stdexcept> + +//--------------------------------------------- +// +//--------------------------------------------- + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; + +//--------------------------------------------- +// An impl class to hide implementation details +// from clients +//--------------------------------------------- + +class CPreviewAdapterImpl +{ +public: + CPreviewAdapterImpl(HINSTANCE instance); + + virtual ~CPreviewAdapterImpl(); + + virtual sal_Int32 SAL_CALL getTargetColorDepth(); + + virtual sal_Int32 SAL_CALL getAvailableWidth(); + + virtual sal_Int32 SAL_CALL getAvailableHeight(); + + virtual void SAL_CALL setImage( sal_Int16 aImageFormat, const Any& aImage ) + throw (IllegalArgumentException,RuntimeException); + + virtual sal_Bool SAL_CALL setShowState(sal_Bool bShowState); + + virtual sal_Bool SAL_CALL getShowState(); + + virtual void SAL_CALL setParent(HWND parent); + + virtual HWND SAL_CALL getParent(); + + //------------------------------------- + // parent notification handler + //------------------------------------- + + virtual void SAL_CALL notifyParentShow(sal_Bool bShow); + + virtual void SAL_CALL notifyParentSizeChanged(); + + virtual void SAL_CALL notifyParentWindowPosChanged(); + +protected: + virtual void SAL_CALL calcRightMargin(); + + virtual void SAL_CALL rearrangeLayout(); + + void SAL_CALL initializeActivePreview() throw(std::runtime_error); + + HWND SAL_CALL findFileListbox() const; + +// member +protected: + HINSTANCE m_Instance; + std::auto_ptr<PreviewBase> m_Preview; + HWND m_FileDialog; + int m_RightMargin; + +//prevent copy/assignment +private: + CPreviewAdapterImpl(const CPreviewAdapterImpl&); + CPreviewAdapterImpl& operator=(const CPreviewAdapterImpl&); +}; + +//----------------------------------------- +// +//----------------------------------------- + +CPreviewAdapterImpl::CPreviewAdapterImpl(HINSTANCE instance) : + m_Instance(instance), + m_Preview(new PreviewBase()), // create dummy preview (NULL-Object pattern) + m_FileDialog(0), + m_RightMargin(0) +{ +} + +//----------------------------------------- +// +//----------------------------------------- + +CPreviewAdapterImpl::~CPreviewAdapterImpl() +{ +} + +//----------------------------------------- +// +//----------------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapterImpl::getTargetColorDepth() +{ + return m_Preview->getTargetColorDepth(); +} + +//----------------------------------------- +// +//----------------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapterImpl::getAvailableWidth() +{ + return m_Preview->getAvailableWidth(); +} + +//----------------------------------------- +// +//----------------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapterImpl::getAvailableHeight() +{ + return m_Preview->getAvailableHeight(); +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::setImage( sal_Int16 aImageFormat, const Any& aImage ) + throw (IllegalArgumentException,RuntimeException) +{ + m_Preview->setImage(aImageFormat,aImage); +} + +//----------------------------------------- +// +//----------------------------------------- + +sal_Bool SAL_CALL CPreviewAdapterImpl::setShowState( sal_Bool bShowState ) +{ + sal_Bool bRet = m_Preview->setShowState(bShowState); + rearrangeLayout(); + return bRet; +} + +//----------------------------------------- +// +//----------------------------------------- + +sal_Bool SAL_CALL CPreviewAdapterImpl::getShowState() +{ + return m_Preview->getShowState(); +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::setParent(HWND parent) +{ + OSL_PRECOND(IsWindow(parent),"Invalid FileDialog handle"); + + m_FileDialog = parent; + calcRightMargin(); +} + +//----------------------------------------- +// +//----------------------------------------- + +HWND SAL_CALL CPreviewAdapterImpl::getParent() +{ + return m_FileDialog; +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::calcRightMargin() +{ + // Calculate the right reference margin + // + // Assumtions: + // 1. This method will be called before the dialog becomes + // visible + // 2. There exist a FileListbox with the id lst1 even + // if it is not visible like under Win2000/XP + // 3. Initially this FileListbox has the appropriate size + // to fit within the FileListbox + // 4. The margin between the right edge of the FileListbox + // and the right edge of the FileDialog will be constant + // even if the size of the dialog changes + + HWND flb = GetDlgItem(m_FileDialog,lst1); + + OSL_ENSURE(IsWindow(flb),"Filelistbox not found"); + + RECT rcFlb; + GetWindowRect(flb,&rcFlb); + + RECT rcFileDlg; + GetWindowRect(m_FileDialog,&rcFileDlg); + + m_RightMargin = rcFileDlg.right - rcFlb.right; +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::notifyParentShow(sal_Bool) +{ +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::notifyParentSizeChanged() +{ + rearrangeLayout(); +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::notifyParentWindowPosChanged() +{ +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::rearrangeLayout() +{ + // try to get a handle to the filelistbox + // if there is no new-style filelistbox like + // in Win2000/XP there should be at least the + // old listbox, so we take this one + // lst1 - identifies the old-style filelistbox + // lst2 - identifies the new-style filelistbox + // see dlgs.h + HWND flb_new = findFileListbox(); + + // under Windows NT 4.0 the size of the old + // filelistbox will be used as reference for + // sizing the new filelistbox, so we have + // to change the size of it too + HWND flb_old = GetDlgItem(m_FileDialog,lst1); + + RECT rcFlbNew; + GetWindowRect(flb_new,&rcFlbNew); + + RECT rcFileDlg; + GetWindowRect(m_FileDialog,&rcFileDlg); + rcFileDlg.right -= m_RightMargin; + + // the available area for the filelistbox should be + // the left edge of the filelistbox and the right + // edge of the OK button, we take this as reference + int height = rcFlbNew.bottom - rcFlbNew.top; + int width = rcFileDlg.right - rcFlbNew.left; + + HWND prvwnd = m_Preview->getWindowHandle(); + + // we use GetWindowLong to ask for the visibility + // of the preview window because IsWindowVisible + // only returns true the specified window including + // its parent windows are visible + // this is not the case when we are called in response + // to the WM_SHOWWINDOW message, somehow the WS_VISIBLE + // style bit of the FileOpen dialog must be set after that + // message + LONG lStyle = GetWindowLong(prvwnd,GWL_STYLE); + BOOL bIsVisible = (BOOL)(lStyle & WS_VISIBLE); + + int cx = 0; + + if (IsWindow(prvwnd) && bIsVisible) + { + cx = width/2; + + // resize the filelistbox to the half of the + // available space + BOOL bRet = SetWindowPos(flb_new, + NULL, 0, 0, cx, height, + SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE); + + bRet = SetWindowPos(flb_old, + NULL, 0, 0, cx, height, + SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE); + + // get the new dimensions of the filelistbox after + // resizing and take the right,top corner as starting + // point for the preview window + GetWindowRect(flb_new,&rcFlbNew); + POINT pt = { rcFlbNew.right, rcFlbNew.top }; + ScreenToClient(m_FileDialog,&pt); + + // resize the preview window to fit within + // the available space and set the window + // to the top of the z-order else it will + // be invisible + SetWindowPos(prvwnd, + HWND_TOP, pt.x, pt.y, cx, height, SWP_NOACTIVATE); + } + else + { + // resize the filelistbox to the maximum available + // space + cx = rcFileDlg.right - rcFlbNew.left; + + // resize the old filelistbox + SetWindowPos(flb_old, + NULL, 0, 0, cx, height, + SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE); + + // resize the new filelistbox + SetWindowPos(flb_new, + NULL, 0, 0, cx, height, + SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE ); + } +} + +//----------------------------------------- +// +//----------------------------------------- + +void SAL_CALL CPreviewAdapterImpl::initializeActivePreview() throw(std::runtime_error) +{ + sal_Bool bShowState = m_Preview->getImaginaryShowState(); + + sal_Int16 aImgFrmt; + Any aImg; + m_Preview->getImage(aImgFrmt,aImg); + + HWND flb = findFileListbox(); + + PreviewBase* prv = new CDIBPreview( + m_Instance, GetParent(flb), bShowState); + + m_Preview.reset(prv); + + m_Preview->setImage(aImgFrmt,aImg); +} + +//----------------------------------------- +// +//----------------------------------------- + +HWND SAL_CALL CPreviewAdapterImpl::findFileListbox() const +{ + // try to get a handle to the filelistbox + // if there is no new-style filelistbox like + // in Win2000/XP there should be at least the + // old listbox, so we take this one + // lst1 - identifies the old-style filelistbox + // lst2 - identifies the new-style filelistbox + // see dlgs.h + HWND flb = GetDlgItem(m_FileDialog,lst2); + if (!IsWindow(flb)) + flb = GetDlgItem(m_FileDialog,lst1); + + return flb; +} + + +//############################################################## + + +//----------------------------------------- +// Special implementation for Win98 +// because: +// +//----------------------------------------- + +class CWin98PreviewAdapterImpl : public CPreviewAdapterImpl +{ +public: + CWin98PreviewAdapterImpl(HINSTANCE instance); + + virtual void SAL_CALL notifyParentWindowPosChanged(); + +protected: + virtual void SAL_CALL rearrangeLayout(); + + bool isValidToolbarDimension() const; + +private: + sal_Bool m_PreviewActive; + int m_ToolbarPosX; + int m_ToolbarPosY; + int m_ToolbarWidth; + int m_ToolbarHeight; +}; + +//-------------------------------------------- +// +//-------------------------------------------- + +CWin98PreviewAdapterImpl::CWin98PreviewAdapterImpl(HINSTANCE instance) : + CPreviewAdapterImpl(instance), + m_PreviewActive(sal_False), + m_ToolbarPosX(0), + m_ToolbarPosY(0), + m_ToolbarWidth(0), + m_ToolbarHeight(0) +{ +} + +//-------------------------------------------- +// +//-------------------------------------------- + +void SAL_CALL CWin98PreviewAdapterImpl::notifyParentWindowPosChanged() +{ + try + { + // the reason for this condition is + // Windows 98 + // Under Windows 98 the message WM_SHOWWINDOW + // will be sent only the first time the + // GetOpenFileName function is called within + // the same process + // so we must use another message to initialize + // the preview window + if (IsWindow(m_FileDialog) && !m_PreviewActive) + { + initializeActivePreview(); + m_PreviewActive = sal_True; + rearrangeLayout(); + } + + if (IsWindow(m_FileDialog) && !isValidToolbarDimension()) + { + RECT rcStc1; + GetWindowRect(GetDlgItem(m_FileDialog,stc1),&rcStc1); + + RECT rcCmb2; + GetWindowRect(GetDlgItem(m_FileDialog,cmb2),&rcCmb2); + + // Assumption: + // the toolbar position is only valid + // if the left edge is greater or equal + // than the right edge of the drives listbox + // the stc1 static text is invisible at runtime + // but will be used as reference for the position + // and dimension of the toolbar + if (rcStc1.left >= rcCmb2.right) + { + // important: save the upper left corner in + // client coordinates + POINT pt = {rcStc1.left,rcStc1.top}; + ScreenToClient(m_FileDialog,&pt); + + m_ToolbarPosX = pt.x; + m_ToolbarPosY = pt.y; + m_ToolbarWidth = rcStc1.right - rcStc1.left; + m_ToolbarHeight = rcStc1.bottom - rcStc1.top; + } + } + } + catch(std::runtime_error&) + { + } +} + +//-------------------------------------------- +// +//-------------------------------------------- + +void SAL_CALL CWin98PreviewAdapterImpl::rearrangeLayout() +{ + CPreviewAdapterImpl::rearrangeLayout(); + + // fix the position of the upper toolbar + // because the FileDialog moves all windows + // that are to the right of the FileListbox + // so if we have changed the size of the + // FileListbox we would run into trouble else + if (isValidToolbarDimension()) + { + HWND hwndTlb = FindWindowEx( + m_FileDialog,NULL,TEXT("ToolbarWindow32"),NULL); + + SetWindowPos(hwndTlb, + HWND_TOP, + m_ToolbarPosX, + m_ToolbarPosY, + m_ToolbarWidth, + m_ToolbarHeight, + SWP_NOACTIVATE); + } +} + +//-------------------------------------------- +// +//-------------------------------------------- + +bool CWin98PreviewAdapterImpl::isValidToolbarDimension() const +{ + return (m_ToolbarPosX > 0 && + m_ToolbarPosY > 0 && + m_ToolbarWidth > 0 && + m_ToolbarHeight > 0); +} + +//############################################################## + + +//-------------------------------------------- +// Implementation for Windows 95/NT/ME/2000/XP +// because: +// +//-------------------------------------------- + +class CWin95NTPreviewAdapterImpl : public CPreviewAdapterImpl +{ +public: + CWin95NTPreviewAdapterImpl(HINSTANCE instance); + + virtual void SAL_CALL notifyParentShow(sal_Bool bShow); +}; + +//-------------------------------------------- +// +//-------------------------------------------- + +CWin95NTPreviewAdapterImpl::CWin95NTPreviewAdapterImpl(HINSTANCE instance) : + CPreviewAdapterImpl(instance) +{ +} + +//-------------------------------------------- +// +//-------------------------------------------- + +void SAL_CALL CWin95NTPreviewAdapterImpl::notifyParentShow(sal_Bool bShow) +{ + try + { + if (bShow) + { + initializeActivePreview(); + rearrangeLayout(); + } + } + catch(std::runtime_error&) + { + } +} + + +//############################################################## + + +//------------------------------- +// ctor +//------------------------------- + +CPreviewAdapter::CPreviewAdapter(HINSTANCE instance) +{ + if (!IsWindows98()) + m_pImpl.reset(new CWin95NTPreviewAdapterImpl(instance)); + else + m_pImpl.reset(new CWin98PreviewAdapterImpl(instance)); +} + +//------------------------------- +// +//------------------------------- + +CPreviewAdapter::~CPreviewAdapter() +{ +} + +//------------------------------- +// +//------------------------------- + +Sequence<sal_Int16> SAL_CALL CPreviewAdapter::getSupportedImageFormats() +{ + com::sun::star::uno::Sequence<sal_Int16> imgFormats(1); + imgFormats[0] = ::com::sun::star::ui::dialogs::FilePreviewImageFormats::BITMAP; + return imgFormats; +} + +//------------------------------- +// +//------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapter::getTargetColorDepth() +{ + return m_pImpl->getTargetColorDepth(); +} + +//------------------------------- +// +//------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapter::getAvailableWidth() +{ + return m_pImpl->getAvailableWidth(); +} + +//------------------------------- +// +//------------------------------- + +sal_Int32 SAL_CALL CPreviewAdapter::getAvailableHeight() +{ + return m_pImpl->getAvailableHeight(); +} + +//------------------------------- +// +//------------------------------- + +void SAL_CALL CPreviewAdapter::setImage( sal_Int16 aImageFormat, const Any& aImage ) + throw (IllegalArgumentException, RuntimeException) +{ + m_pImpl->setImage(aImageFormat,aImage); +} + +//------------------------------- +// +//------------------------------- + +sal_Bool SAL_CALL CPreviewAdapter::setShowState( sal_Bool bShowState ) +{ + return m_pImpl->setShowState(bShowState); +} + +//------------------------------- +// +//------------------------------- + +sal_Bool SAL_CALL CPreviewAdapter::getShowState() +{ + return m_pImpl->getShowState(); +} + +//------------------------------- +// +//------------------------------- + +void SAL_CALL CPreviewAdapter::setParent(HWND parent) +{ + m_pImpl->setParent(parent); +} + +//------------------------------- +// +//------------------------------- + +void SAL_CALL CPreviewAdapter::notifyParentShow(bool bShow) +{ + m_pImpl->notifyParentShow(bShow); +} + +//------------------------------- +// +//------------------------------- + +void SAL_CALL CPreviewAdapter::notifyParentSizeChanged() +{ + m_pImpl->notifyParentSizeChanged(); +} + +//------------------------------- +// +//------------------------------- + +void SAL_CALL CPreviewAdapter::notifyParentWindowPosChanged() +{ + m_pImpl->notifyParentWindowPosChanged(); +} |