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07d85c44998f42545175ee77c192b901b52a30ca
libreoffice/dbaccess/source/ui/app/AppDetailView.hxx
Caolán McNamara 88b104f44a coverity#1302618 deref of NULL 
on examination this PreparePaint virtual is only called from
SvTreeListBox::PaintEntry1

and PaintEntry1 is only called from SvImpLBox::Paint in a

    for(sal_uInt16 n=0; n< nCount && pEntry; n++)
    {
        /*long nMaxRight=*/
        pView->PaintEntry1

loop so pEntry always exists given that test. Re-jig things
so these families of method take a reference instead of a pointer
so verifying it cannot be NULL and a whole pile of else paths
fall away

Change-Id: Ied40acb1c2263c21b4447832f8cb86f64ed9e80d
2015-06-10 22:11:33 +01:00

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/* -*- 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 .
*/
#ifndef INCLUDED_DBACCESS_SOURCE_UI_APP_APPDETAILVIEW_HXX
#define INCLUDED_DBACCESS_SOURCE_UI_APP_APPDETAILVIEW_HXX
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/sdb/application/NamedDatabaseObject.hpp>
#include <vcl/split.hxx>
#include <vcl/fixed.hxx>
#include <vcl/mnemonic.hxx>
#include "IClipBoardTest.hxx"
#include "AppTitleWindow.hxx"
#include "AppElementType.hxx"
#include <svtools/treelistbox.hxx>
#include "VertSplitView.hxx"
#include <vector>
class SvTreeListEntry;
namespace dbaui
{
class OAppBorderWindow;
class OApplicationDetailView;
class OAppDetailPageHelper;
class OTasksWindow;
class OCreationList : public SvTreeListBox
{
OTasksWindow& m_rTaskWindow;
// members related to drawing the currently hovered/selected entry
SvTreeListEntry* m_pMouseDownEntry;
SvTreeListEntry* m_pLastActiveEntry;
Color m_aOriginalBackgroundColor;
vcl::Font m_aOriginalFont;
public:
OCreationList( OTasksWindow& _rParent );
// Window overrides
virtual void MouseMove( const MouseEvent& rMEvt ) SAL_OVERRIDE;
virtual void MouseButtonDown( const MouseEvent& rMEvt ) SAL_OVERRIDE;
virtual void MouseButtonUp( const MouseEvent& rMEvt ) SAL_OVERRIDE;
virtual void KeyInput( const KeyEvent& rKEvt ) SAL_OVERRIDE;
virtual void Paint(vcl::RenderContext& rRenderContext, const Rectangle& rRect) SAL_OVERRIDE;
virtual void StartDrag( sal_Int8 _nAction, const Point& _rPosPixel ) SAL_OVERRIDE;
virtual void GetFocus() SAL_OVERRIDE;
virtual void LoseFocus() SAL_OVERRIDE;
inline void resetLastActive() { m_pLastActiveEntry = NULL;}
void updateHelpText();
protected:
virtual void PreparePaint(vcl::RenderContext& rRenderContext, SvTreeListEntry& rEntry) SAL_OVERRIDE;
virtual Rectangle GetFocusRect( SvTreeListEntry* _pEntry, long _nLine ) SAL_OVERRIDE;
virtual void ModelHasCleared() SAL_OVERRIDE;
// IMnemonicEntryList
virtual void SelectSearchEntry( const void* _pEntry ) SAL_OVERRIDE;
virtual void ExecuteSearchEntry( const void* _pEntry ) const SAL_OVERRIDE;
private:
void onSelected( SvTreeListEntry* _pEntry ) const;
/** sets a new current entry, and invalidates the old and the new one, if necessary
@return <TRUE/> if and only if the "current entry" changed
*/
bool setCurrentEntryInvalidate( SvTreeListEntry* _pEntry );
};
struct TaskEntry
{
OUString sUNOCommand;
sal_uInt16 nHelpID;
OUString sTitle;
bool bHideWhenDisabled;
// TODO: we should be consistent in the task pane and the menus/toolbars:
// If an entry is disabled in the latter, it should also be disabled in the former.
// If an entry is *hidden* in the former, it should also be hidden in the latter.
TaskEntry( const sal_Char* _pAsciiUNOCommand, sal_uInt16 _nHelpID, sal_uInt16 _nTitleResourceID, bool _bHideWhenDisabled = false );
};
typedef ::std::vector< TaskEntry > TaskEntryList;
struct TaskPaneData
{
/// the tasks available in the pane
TaskEntryList aTasks;
/// the resource ID for the title of the pane
sal_uInt16 nTitleId;
};
class OTasksWindow : public vcl::Window
{
VclPtr<OCreationList> m_aCreation;
VclPtr<FixedText> m_aDescription;
VclPtr<FixedText> m_aHelpText;
VclPtr<FixedLine> m_aFL;
VclPtr<OApplicationDetailView> m_pDetailView;
DECL_LINK( OnEntrySelectHdl, SvTreeListBox* );
void ImplInitSettings( bool bFont, bool bForeground, bool bBackground );
protected:
virtual void DataChanged(const DataChangedEvent& rDCEvt) SAL_OVERRIDE;
public:
OTasksWindow(vcl::Window* _pParent,OApplicationDetailView* _pDetailView);
virtual ~OTasksWindow();
virtual void dispose() SAL_OVERRIDE;
// Window overrides
virtual void Resize() SAL_OVERRIDE;
OApplicationDetailView* getDetailView() const { return m_pDetailView; }
/// fills the Creation listbox with the necessary strings and images
void fillTaskEntryList( const TaskEntryList& _rList );
inline bool HandleKeyInput( const KeyEvent& _rKEvt )
{
return m_aCreation->HandleKeyInput( _rKEvt );
}
void Clear();
void setHelpText(sal_uInt16 _nId);
};
class OApplicationDetailView : public OSplitterView
, public IClipboardTest
{
VclPtr<Splitter> m_aHorzSplitter;
VclPtr<OTitleWindow> m_aTasks;
VclPtr<OTitleWindow> m_aContainer;
OAppBorderWindow& m_rBorderWin; // my parent
VclPtr<OAppDetailPageHelper> m_pControlHelper;
::std::vector< TaskPaneData > m_aTaskPaneData;
MnemonicGenerator m_aExternalMnemonics;
void ImplInitSettings( bool bFont, bool bForeground, bool bBackground );
protected:
virtual void DataChanged(const DataChangedEvent& rDCEvt) SAL_OVERRIDE;
public:
OApplicationDetailView(OAppBorderWindow& _rParent,PreviewMode _ePreviewMode);
virtual ~OApplicationDetailView();
// Window overrides
virtual void dispose() SAL_OVERRIDE;
virtual void GetFocus() SAL_OVERRIDE;
/** creates the tables page
@param _xConnection
The connection to get the table names
*/
void createTablesPage(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>& _xConnection);
/** creates the page for the specific type.
@param _eType
The type which should be created. E_TABLE isn't allowed.
@param _xContainer
The container of the elements to be inserted.
*/
void createPage(ElementType _eType,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >& _xContainer);
void setTaskExternalMnemonics( MnemonicGenerator& _rMnemonics );
/** called to give the window the chance to intercept key events, while it has not
the focus
@return <TRUE/> if and only if the event has been handled, and should not
not be further processed
*/
bool interceptKeyInput( const KeyEvent& _rEvent );
inline OAppBorderWindow& getBorderWin() const { return m_rBorderWin; }
inline OTasksWindow& getTasksWindow() const { return *static_cast< OTasksWindow* >( m_aTasks->getChildWindow() ); }
bool isCutAllowed() SAL_OVERRIDE ;
bool isCopyAllowed() SAL_OVERRIDE ;
bool isPasteAllowed() SAL_OVERRIDE;
virtual bool hasChildPathFocus() SAL_OVERRIDE { return HasChildPathFocus(); }
void copy() SAL_OVERRIDE;
void cut() SAL_OVERRIDE;
void paste() SAL_OVERRIDE;
/** return the qualified name.
@param _pEntry
The entry of a table, or query, form, report to get the qualified name.
If the entry is <NULL/>, the first selected is chosen.
@return
the qualified name
*/
OUString getQualifiedName( SvTreeListEntry* _pEntry ) const;
/** returns if an entry is a leaf
@param _pEntry
The entry to check
@return
<TRUE/> if the entry is a leaf, otherwise <FALSE/>
*/
static bool isLeaf(SvTreeListEntry* _pEntry);
/** returns if one of the selected entries is a leaf
@return
<TRUE/> if the entry is a leaf, otherwise <FALSE/>
*/
bool isALeafSelected() const;
/** select all entries in the detail page
*/
void selectAll();
/// returns <TRUE/> if it sorts ascending
bool isSortUp() const;
/// sort the entries in the detail page down
void sortDown();
/// sort the entries in the detail page up
void sortUp();
/// returns <TRUE/> when a detail page was filled
bool isFilled() const;
/// return the element of currently select entry
ElementType getElementType() const;
/** clears the detail pages.
@param _bTaskAlso
If <TRUE/> the task window will also be cleared.
*/
void clearPages(bool _bTaskAlso = true);
/// returns the count of entries
sal_Int32 getElementCount();
/// returns the count of selected entries
sal_Int32 getSelectionCount();
/** returns the element names which are selected
@param _rNames
The list will be filled.
*/
void getSelectionElementNames(::std::vector< OUString>& _rNames ) const;
/** describes the current selection for the given control
*/
void describeCurrentSelectionForControl(
const Control& _rControl,
::com::sun::star::uno::Sequence< ::com::sun::star::sdb::application::NamedDatabaseObject >& _out_rSelectedObjects
);
/** describes the current selection for the given ElementType
*/
void describeCurrentSelectionForType(
const ElementType _eType,
::com::sun::star::uno::Sequence< ::com::sun::star::sdb::application::NamedDatabaseObject >& _out_rSelectedObjects
);
/** select all names on the currently selected container. Non existence names where ignored.
*
* \param _aNames the element names
*/
void selectElements(const ::com::sun::star::uno::Sequence< OUString>& _aNames);
/** adds a new object to the detail page.
@param _eType
The type where the entry shold be appended.
@param _rName
The name of the object to be inserted
@param _rObject
The object to add.
@param _rxConn
If we insert a table, the connection must be set.
*/
SvTreeListEntry* elementAdded(ElementType eType
,const OUString& _rName
,const ::com::sun::star::uno::Any& _rObject );
/** replaces a objects name with a new one
@param _eType
The type where the entry shold be appended.
@param _rOldName
The old name of the object to be replaced
@param _rNewName
The new name of the object to be replaced
@param _rxConn
If we insert a table, the connection must be set.
@param _xObject
The object which was replaced
*/
void elementReplaced(ElementType eType
,const OUString& _rOldName
,const OUString& _rNewName );
/** removes an element from the detail page.
@param _eType
The type where the entry shold be appended.
@param _rName
The name of the element to be removed.
@param _rxConn
If we remove a table, the connection must be set.
*/
void elementRemoved(ElementType _eType
,const OUString& _rName );
/// returns the preview mode
PreviewMode getPreviewMode();
/// <TRUE/> if the preview is enabled
bool isPreviewEnabled();
/** switches to the given preview mode
@param _eMode
the mode to set for the preview
*/
void switchPreview(PreviewMode _eMode);
/** shows the Preview of the content when it is enabled.
@param _xContent
The content which must support the "preview" command.
*/
void showPreview(const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _xContent);
/** shows the Preview of a table or query
@param _sDataSourceName
the name of the data source
@param _sName
the name of table or query
@param _bTable
<TRUE/> if it is a table, otherwise <FALSE/>
@return void
*/
void showPreview( const OUString& _sDataSourceName,
const OUString& _sName,
bool _bTable);
SvTreeListEntry* getEntry( const Point& _aPoint ) const;
vcl::Window* getTreeWindow() const;
private:
void impl_createPage(
ElementType _eType,
const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection,
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >& _rxNonTableElements
);
const TaskPaneData& impl_getTaskPaneData( ElementType _eType );
void impl_fillTaskPaneData( ElementType _eType, TaskPaneData& _rData ) const;
};
}
#endif // INCLUDED_DBACCESS_SOURCE_UI_APP_APPDETAILVIEW_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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