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koffice/kivio/kiviopart/kivio_icon_view.cpp

220 lines
5.7 KiB

/*
* Kivio - Visual Modelling and Flowcharting
* Copyright (C) 2000-2001 theKompany.com & Dave Marotti
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kivio_icon_view.h"
#include "kivio_stencil_spawner.h"
#include "kivio_stencil_spawner_set.h"
#include "kivio_stencil_spawner_info.h"
#include "kivio_spawner_drag.h"
#include "kivio_common.h"
#include "kivioglobal.h"
#include "kivio_stencil.h"
#include <brush.h>
#include <tqcursor.h>
#include <palette.h>
#include <klocale.h>
#include <kdebug.h>
#include <kglobalsettings.h>
KivioStencilSpawner* KivioIconView::m_pCurDrag = 0L;
TQPtrList<KivioIconView> KivioIconView::objList;
/**********************************************************************
*
* KivioIconViewItem
*
**********************************************************************/
KivioIconViewItem::KivioIconViewItem( TQIconView *parent )
: TQIconViewItem( parent )
{
m_pSpawner = NULL;
setText("stencil");
}
KivioIconViewItem::~KivioIconViewItem()
{
m_pSpawner = NULL;
}
void KivioIconViewItem::setStencilSpawner( KivioStencilSpawner *pSpawn )
{
KivioStencilSpawnerInfo *pInfo;
m_pSpawner = pSpawn;
if( !m_pSpawner )
{
setText( i18n("untitled stencil", "Untitled") );
}
else
{
pInfo = m_pSpawner->info();
setText( pInfo->title() );
KivioStencil* stencil = m_pSpawner->newStencil();
setPixmap(Kivio::generatePixmapFromStencil(32, 32, stencil));
delete stencil;
}
}
bool KivioIconViewItem::acceptDrop( const TQMimeSource * ) const
{
return false;
}
/**********************************************************************
*
* KivioIconView
*
**********************************************************************/
KivioIconView::KivioIconView( bool _readWrite,TQWidget *parent, const char *name )
: TQIconView( parent, name )
{
m_pSpawnerSet = NULL;
m_pCurDrag = NULL;
isReadWrite=_readWrite;
objList.append(this);
setGridX( 64 );
setGridY( 64 );
setResizeMode( Adjust );
setWordWrapIconText(true);
setHScrollBarMode( AlwaysOff );
setVScrollBarMode( Auto );
setAutoArrange(true);
setSorting(true);
setItemsMovable(false);
setArrangement(LeftToRight);
setAcceptDrops(false);
viewport()->setAcceptDrops(false);
if(isReadWrite) {
connect(this, TQT_SIGNAL(doubleClicked(TQIconViewItem*)), this, TQT_SLOT(slotDoubleClicked(TQIconViewItem*)));
connect(this, TQT_SIGNAL(clicked(TQIconViewItem*)), this, TQT_SLOT(slotClicked(TQIconViewItem*)));
}
}
KivioIconView::~KivioIconView()
{
objList.remove(this);
m_pCurDrag = NULL;
}
void KivioIconView::setStencilSpawnerSet( KivioStencilSpawnerSet *pSet )
{
m_pSpawnerSet = pSet;
m_pCurDrag = NULL;
KivioStencilSpawner *pSpawner;
KivioIconViewItem *pItem;
pSpawner = pSet->spawners()->first();
while( pSpawner )
{
pItem = new KivioIconViewItem( this );
pItem->setKey(pSpawner->info()->title());
pItem->setStencilSpawner(pSpawner);
pSpawner = pSet->spawners()->next();
}
}
TQDragObject *KivioIconView::dragObject()
{
if( !currentItem() || !isReadWrite)
return 0;
TQPoint orig = viewportToContents( viewport()->mapFromGlobal( TQCursor::pos() ) );
KivioSpawnerDrag *drag = new KivioSpawnerDrag( this, viewport() );
const char*null_pix[]={
"1 1 1 1",
"# c None",
"#"};
drag->setPixmap(null_pix);
KivioIconViewItem *item = (KivioIconViewItem *)currentItem();
TQIconDragItem id;
TQString full;
full = item->spawner()->set()->dir() + "/" + item->spawner()->info()->title();
id.setData( TQCString(full.ascii()));
drag->append( id,
TQRect( item->pixmapRect(FALSE).x() - orig.x(),
item->pixmapRect(FALSE).y() - orig.y(),
item->pixmapRect().width(),
item->pixmapRect().height() ),
TQRect( item->textRect(FALSE).x() - orig.x(),
item->textRect(FALSE).y() - orig.y(),
item->textRect().width(),
item->textRect().height() ),
*(item->spawner()) );
// Set the current dragged KivioStencilSpawner for use
// when the drop occurs. I don't actually encode the
// data because it's a pain in the ass and I don't understand
// how to do it. So I store a pointer here and clear
// it on the drop.
m_pCurDrag = item->spawner();
return drag;
}
void KivioIconView::clearCurrentDrag()
{
m_pCurDrag = 0;
}
void KivioIconView::slotDoubleClicked( TQIconViewItem *pTQtItem )
{
KivioIconViewItem* pItem = dynamic_cast<KivioIconViewItem *>(pTQtItem);
if( !pItem )
{
kdDebug(43000) << "KivioIconView::slotDoubleClicked() - Clicked item is not a KivioIconViewItem!" << endl;
return;
}
KivioStencilSpawner* pSpawner = pItem->spawner();
emit createNewStencil(pSpawner);
}
void KivioIconView::slotClicked(TQIconViewItem* item)
{
KivioIconViewItem* stencilItem = dynamic_cast<KivioIconViewItem *>(item);
if(!stencilItem)
{
kdDebug(43000) << "KivioIconView::slotClicked() - Clicked item is not a KivioIconViewItem!" << endl;
return;
}
KivioStencilSpawner* spawner = stencilItem->spawner();
emit stencilSelected(spawner);
}
#include "kivio_icon_view.moc"