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/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "kmlistview.h"
#include "kmprinter.h"
#include "kmobject.h"
#include <tqheader.h>
#include <tqpainter.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <kcursor.h>
class KMListViewItem : public TQListViewItem, public KMObject
{
public:
KMListViewItem(TQListView *parent, const TQString& txt);
KMListViewItem(TQListViewItem *parent, const TQString& txt);
KMListViewItem(TQListViewItem *parent, KMPrinter *p);
virtual void paintCell(TQPainter*, const TQColorGroup&, int, int, int);
void updatePrinter(KMPrinter *p);
bool isClass() const { return m_isclass; }
protected:
void init(KMPrinter *p = 0);
private:
int m_state;
bool m_isclass;
};
KMListViewItem::KMListViewItem(TQListView *parent, const TQString& txt)
: TQListViewItem(parent,txt)
{
init();
}
KMListViewItem::KMListViewItem(TQListViewItem *parent, const TQString& txt)
: TQListViewItem(parent,txt)
{
init();
}
KMListViewItem::KMListViewItem(TQListViewItem *parent, KMPrinter *p)
: TQListViewItem(parent)
{
init(p);
}
void KMListViewItem::init(KMPrinter *p)
{
m_state = 0;
if (p)
updatePrinter(p);
setSelectable(depth() == 2);
}
void KMListViewItem::updatePrinter(KMPrinter *p)
{
bool update(false);
if (p)
{
int oldstate = m_state;
int st(p->isValid() ? (int)TDEIcon::DefaultState : (int)TDEIcon::LockOverlay);
m_state = ((p->isHardDefault() ? 0x1 : 0x0) | (p->ownSoftDefault() ? 0x2 : 0x0) | (p->isValid() ? 0x4 : 0x0));
update = (oldstate != m_state);
QString name = (p->isVirtual() ? p->instanceName() : p->name());
if (name != text(0))
setText(0, name);
setPixmap(0, SmallIcon(p->pixmap(), 0, st));
m_isclass = p->isClass();
}
setDiscarded(false);
if (update)
repaint();
}
void KMListViewItem::paintCell(TQPainter *p, const TQColorGroup& cg, int c, int w, int a)
{
if (m_state != 0)
{
TQFont f(p->font());
if (m_state & 0x1) f.setBold(true);
if (m_state & 0x2) f.setItalic(true);
p->setFont(f);
}
TQListViewItem::paintCell(p,cg,c,w,a);
}
//************************************************************************************************
KMListView::KMListView(TQWidget *parent, const char *name)
: TQListView(parent,name)
{
m_items.setAutoDelete(false);
addColumn("");
header()->hide();
setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken);
setLineWidth(1);
setSorting(0);
connect(this,TQT_SIGNAL(contextMenuRequested(TQListViewItem*,const TQPoint&,int)),TQT_SLOT(slotRightButtonClicked(TQListViewItem*,const TQPoint&,int)));
connect(this,TQT_SIGNAL(selectionChanged()),TQT_SLOT(slotSelectionChanged()));
connect(this,TQT_SIGNAL(onItem(TQListViewItem*)),TQT_SLOT(slotOnItem(TQListViewItem*)));
connect(this,TQT_SIGNAL(onViewport()),TQT_SLOT(slotOnViewport()));
m_root = new KMListViewItem(this,i18n("Print System"));
m_root->setPixmap(0,SmallIcon("tdeprint_printer"));
m_root->setOpen(true);
m_classes = new KMListViewItem(m_root,i18n("Classes"));
m_classes->setPixmap(0,SmallIcon("package"));
m_classes->setOpen(true);
m_printers = new KMListViewItem(m_root,i18n("Printers"));
m_printers->setPixmap(0,SmallIcon("package"));
m_printers->setOpen(true);
m_specials = new KMListViewItem(m_root,i18n("Specials"));
m_specials->setPixmap(0,SmallIcon("package"));
m_specials->setOpen(true);
sort();
}
KMListView::~KMListView()
{
}
void KMListView::slotRightButtonClicked(TQListViewItem *item, const TQPoint& p, int)
{
emit rightButtonClicked(item && item->depth() == 2 ? item->text(0) : TQString::null, p);
}
KMListViewItem* KMListView::findItem(KMPrinter *p)
{
if (p)
{
TQPtrListIterator<KMListViewItem> it(m_items);
bool isVirtual(p->isVirtual()), isClass(p->isClass());
for (;it.current();++it)
if (isVirtual)
{
if (it.current()->depth() == 3 && it.current()->text(0) == p->instanceName()
&& it.current()->parent()->text(0) == p->printerName())
return it.current();
}
else
{
if (it.current()->isClass() == isClass && it.current()->text(0) == p->name())
return it.current();
}
}
return 0;
}
KMListViewItem* KMListView::findItem(const TQString& prname)
{
TQPtrListIterator<KMListViewItem> it(m_items);
for (; it.current(); ++it)
if (it.current()->depth() == 2 && it.current()->text(0) == prname)
return it.current();
return 0;
}
void KMListView::setPrinterList(TQPtrList<KMPrinter> *list)
{
bool changed(false);
TQPtrListIterator<KMListViewItem> it(m_items);
for (;it.current();++it)
it.current()->setDiscarded(true);
if (list)
{
TQPtrListIterator<KMPrinter> it(*list);
KMListViewItem *item (0);
for (;it.current();++it)
{
item = findItem(it.current());
if (!item)
{
if (it.current()->isVirtual())
{
KMListViewItem *pItem = findItem(it.current()->printerName());
if (!pItem)
continue;
item = new KMListViewItem(pItem, it.current());
pItem->setOpen(true);
}
else
item = new KMListViewItem((it.current()->isSpecial() ? m_specials : (it.current()->isClass(false) ? m_classes : m_printers)),it.current());
m_items.append(item);
changed = true;
}
else
item->updatePrinter(it.current());
}
}
TQPtrList<KMListViewItem> deleteList;
deleteList.setAutoDelete(true);
for (uint i=0; i<m_items.count(); i++)
if (m_items.at(i)->isDiscarded())
{
// instance items are put in front of the list
// so that they are destroyed first
KMListViewItem *item = m_items.take(i);
if (item->depth() == 2)
deleteList.append(item);
else
deleteList.prepend(item);
i--;
changed = true;
}
deleteList.clear();
if (changed) sort();
emit selectionChanged();
}
void KMListView::slotSelectionChanged()
{
KMListViewItem *item = static_cast<KMListViewItem*>(currentItem());
emit printerSelected((item && !item->isDiscarded() && item->depth() == 2 ? item->text(0) : TQString::null));
}
void KMListView::setPrinter(const TQString& prname)
{
TQPtrListIterator<KMListViewItem> it(m_items);
for (;it.current();++it)
if (it.current()->text(0) == prname)
{
setSelected(it.current(),true);
break;
}
}
void KMListView::setPrinter(KMPrinter *p)
{
setPrinter(p ? p->name() : TQString::null);
}
void KMListView::slotOnItem(TQListViewItem *)
{
setCursor(KCursor::handCursor());
}
void KMListView::slotOnViewport()
{
setCursor(KCursor::arrowCursor());
}
#include "kmlistview.moc"
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