Files
libreoffice/vcl/source/window/accmgr.cxx
Julien Nabet 46c01657d5 != instead of < for comparison with end iterator
Change-Id: I7baa34c1cf7161fb55914d41b451b842ad4ab0c8
2012-05-02 21:58:13 +02:00

287 lines
8.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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*
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* only, as published by the Free Software Foundation.
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* 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
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#include <tools/debug.hxx>
#include <accel.h>
#include <vcl/accel.hxx>
#include <accmgr.hxx>
// =======================================================================
DBG_NAMEEX( Accelerator )
// =======================================================================
ImplAccelManager::~ImplAccelManager()
{
delete mpAccelList;
delete mpSequenceList;
}
// -----------------------------------------------------------------------
sal_Bool ImplAccelManager::InsertAccel( Accelerator* pAccel )
{
if ( !mpAccelList ) {
mpAccelList = new ImplAccelList;
} else {
for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i ) {
if ( (*mpAccelList)[ i ] == pAccel ) {
return sal_False;
}
}
}
mpAccelList->insert( mpAccelList->begin(), pAccel );
return sal_True;
}
// -----------------------------------------------------------------------
void ImplAccelManager::RemoveAccel( Accelerator* pAccel )
{
// do we have a list ?
if ( !mpAccelList )
return;
//e.g. #i90599#. Someone starts typing a sequence in a dialog, but doesn't
//end it, and then closes the dialog, deleting the accelerators. So if
//we're removing an accelerator that a sub-accelerator which is in the
//sequence list, throw away the entire sequence
if ( mpSequenceList ) {
for (sal_uInt16 i = 0; i < pAccel->GetItemCount(); ++i) {
Accelerator* pSubAccel = pAccel->GetAccel( pAccel->GetItemId(i) );
for ( size_t j = 0, n = mpSequenceList->size(); j < n; ++j ) {
if ( (*mpSequenceList)[ j ] == pSubAccel ) {
EndSequence( true );
i = pAccel->GetItemCount();
break;
}
}
}
}
// throw it away
for ( ImplAccelList::iterator it = mpAccelList->begin();
it != mpAccelList->end();
++it
) {
if ( *it == pAccel ) {
mpAccelList->erase( it );
break;
}
}
}
// -----------------------------------------------------------------------
void ImplAccelManager::EndSequence( sal_Bool bCancel )
{
// are we in a list ?
if ( !mpSequenceList )
return;
// call all deactivate-handler of the accelerators in the list
for ( size_t i = 0, n = mpSequenceList->size(); i < n; ++i )
{
Accelerator* pTempAccel = (*mpSequenceList)[ i ];
sal_Bool bDel = sal_False;
pTempAccel->mbIsCancel = bCancel;
pTempAccel->mpDel = &bDel;
pTempAccel->Deactivate();
if ( !bDel )
{
pTempAccel->mbIsCancel = sal_False;
pTempAccel->mpDel = NULL;
}
}
// delete sequence-list
delete mpSequenceList;
mpSequenceList = NULL;
}
// -----------------------------------------------------------------------
sal_Bool ImplAccelManager::IsAccelKey( const KeyCode& rKeyCode, sal_uInt16 nRepeat )
{
Accelerator* pAccel;
// do we have accelerators ??
if ( !mpAccelList )
return sal_False;
if ( mpAccelList->empty() )
return sal_False;
// are we in a sequence ?
if ( mpSequenceList )
{
pAccel = mpSequenceList->empty() ? NULL : (*mpSequenceList)[ 0 ];
DBG_CHKOBJ( pAccel, Accelerator, NULL );
// not found ?
if ( !pAccel )
{
// abort sequence
FlushAccel();
return sal_False;
}
// can the entry be found ?
ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
if ( pEntry )
{
Accelerator* pNextAccel = pEntry->mpAccel;
// is an accelerator coupled ?
if ( pNextAccel )
{
DBG_CHKOBJ( pNextAccel, Accelerator, NULL );
mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
// call Activate-Handler of the new one
pNextAccel->Activate();
return sal_True;
}
else
{
// it is there already !
if ( pEntry->mbEnabled )
{
// stop sequence (first call deactivate-handler)
EndSequence();
// set accelerator of the actuel item
// and call the handler
sal_Bool bDel = sal_False;
pAccel->maCurKeyCode = rKeyCode;
pAccel->mnCurId = pEntry->mnId;
pAccel->mnCurRepeat = nRepeat;
pAccel->mpDel = &bDel;
pAccel->Select();
// did the accelerator survive the call
if ( !bDel )
{
DBG_CHKOBJ( pAccel, Accelerator, NULL );
pAccel->maCurKeyCode = KeyCode();
pAccel->mnCurId = 0;
pAccel->mnCurRepeat = 0;
pAccel->mpDel = NULL;
}
return sal_True;
}
else
{
// stop sequence as the accelerator was disbled
// transfer the key (to the system)
FlushAccel();
return sal_False;
}
}
}
else
{
// wrong key => stop sequence
FlushAccel();
return sal_False;
}
}
// step through the list of accelerators
for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i )
{
pAccel = (*mpAccelList)[ i ];
DBG_CHKOBJ( pAccel, Accelerator, NULL );
// is the entry contained ?
ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
if ( pEntry )
{
Accelerator* pNextAccel = pEntry->mpAccel;
// is an accelerator assigned ?
if ( pNextAccel )
{
DBG_CHKOBJ( pNextAccel, Accelerator, NULL );
// create sequence list
mpSequenceList = new ImplAccelList;
mpSequenceList->insert( mpSequenceList->begin(), pAccel );
mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
// call activate-Handler of the new one
pNextAccel->Activate();
return sal_True;
}
else
{
// already assigned !
if ( pEntry->mbEnabled )
{
// first call activate/aeactivate-Handler
pAccel->Activate();
pAccel->Deactivate();
// define accelerator of the actual item
// and call the handler
sal_Bool bDel = sal_False;
pAccel->maCurKeyCode = rKeyCode;
pAccel->mnCurId = pEntry->mnId;
pAccel->mnCurRepeat = nRepeat;
pAccel->mpDel = &bDel;
pAccel->Select();
// if the accelerator did survive the call
if ( !bDel )
{
DBG_CHKOBJ( pAccel, Accelerator, NULL );
pAccel->maCurKeyCode = KeyCode();
pAccel->mnCurId = 0;
pAccel->mnCurRepeat = 0;
pAccel->mpDel = NULL;
}
return sal_True;
}
else
return sal_False;
}
}
}
return sal_False;
}
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