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tdeadmin/ksysv/ksvdraglist.cpp

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/*
** Copyright (C) 2000 Peter Putzer <putzer@kde.org>
**
*/
/*
** 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 in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
** MA 02110-1301, USA.
*/
/*
** Bug reports and questions can be sent to kde-devel@kde.org
*/
/***************************************************************************
* *
* 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; version 2. *
* *
***************************************************************************/
#include <stdlib.h>
#include <tqpainter.h>
#include <tqdragobject.h>
#include <tqdatastream.h>
#include <tqheader.h>
#include <tqpixmapcache.h>
#include <tqbitmap.h>
#include <tqcursor.h>
#include <tqcolor.h>
#include <tqcstring.h>
#include <tqlabel.h>
#include <kapplication.h>
#include <kpopupmenu.h>
#include <kglobal.h>
#include <klocale.h>
#include <kdebug.h>
#include "kdltooltip.h"
#include "ksv_core.h"
#include "ksv_conf.h"
#include "ksvdraglist.h"
#include "ksvdrag.h"
#include "ActionList.h"
KSVItem::KSVItem (KListView* view)
: TQListViewItem (view),
mData (new KSVData()),
mConfig (KSVConfig::self()),
mNewNormalColor (mConfig->newNormalColor()),
mNewSelectedColor (mConfig->newSelectedColor()),
mChangedNormalColor (mConfig->changedNormalColor()),
mChangedSelectedColor (mConfig->changedSelectedColor())
{
}
KSVItem::KSVItem (const KSVItem& item)
: TQListViewItem (item.listView()),
mData (new KSVData(*item.mData)),
mConfig (KSVConfig::self()),
mNewNormalColor (mConfig->newNormalColor()),
mNewSelectedColor (mConfig->newSelectedColor()),
mChangedNormalColor (mConfig->changedNormalColor()),
mChangedSelectedColor (mConfig->changedSelectedColor())
{
setText (SortNumber, mData->numberString());
setText (ServiceName, label());
setIcon (*item.pixmap(Icon));
}
KSVItem::KSVItem (KSVDragList* view, const KSVData& data)
: TQListViewItem (view),
mData (new KSVData (data)),
mConfig (KSVConfig::self()),
mNewNormalColor (mConfig->newNormalColor()),
mNewSelectedColor (mConfig->newSelectedColor()),
mChangedNormalColor (mConfig->changedNormalColor()),
mChangedSelectedColor (mConfig->changedSelectedColor())
{
setText (SortNumber, mData->numberString());
setText (ServiceName, label());
setIcon (view->defaultIcon());
}
void KSVItem::copy (const KSVData& item)
{
*mData = item;
setText (SortNumber, mData->numberString());
setText (ServiceName, mData->label());
}
TQString KSVItem::key (int, bool) const
{
return mData->numberString() + mData->label();
}
KSVItem::KSVItem (KListView* view, TQString file, TQString path, TQString label, TQ_INT8 nr )
: TQListViewItem (view),
mData (new KSVData (file, path, label, nr)),
mConfig (KSVConfig::self()),
mNewNormalColor (mConfig->newNormalColor()),
mNewSelectedColor (mConfig->newSelectedColor()),
mChangedNormalColor (mConfig->changedNormalColor()),
mChangedSelectedColor (mConfig->changedSelectedColor())
{
setText (ServiceName, mData->label());
setText (SortNumber, mData->numberString());
}
KSVItem::~KSVItem()
{
delete mData;
}
void KSVItem::paintCell (TQPainter* p, const TQColorGroup& cg, int column, int width, int align)
{
switch (column)
{
case SortNumber:
p->setFont (mConfig->numberFont());
break;
case ServiceName:
p->setFont (mConfig->serviceFont());
break;
}
TQColorGroup colors = cg;
if (mData->newEntry())
{
colors.setColor (TQColorGroup::Text, mNewNormalColor);
colors.setColor (TQColorGroup::HighlightedText, mNewSelectedColor);
}
else if (mData->changed())
{
colors.setColor (TQColorGroup::Text, mChangedNormalColor);
colors.setColor (TQColorGroup::HighlightedText, mChangedSelectedColor);
}
TQListViewItem::paintCell (p, colors, column, width, align);
}
TQString KSVItem::toString() const
{
return filenameAndPath();
}
TQString KSVItem::tooltip () const
{
TQString result;
if (mConfig->showDescription())
{
if (!ksv::getServiceDescription(filename(), result))
result = toString();
else
{
// split into nice chunks
result = ksv::breakWords(result.simplifyWhiteSpace(), 50);
}
}
else
{
result = toString();
}
return result;
}
void KSVItem::setNew ( bool val )
{
mData->setNewEntry (val);
}
TQPixmap KSVItem::paintDragIcon (const TQFont& font, const TQColorGroup&) const
{
TQFontMetrics metric (font);
TQRect textRect = metric.boundingRect (label());
const TQPixmap& icon = *pixmap (Icon);
const int margin = listView()->itemMargin();
const int width = icon.width() + margin * 2 + textRect.width();
const int height = kMax (icon.height(), textRect.height());
TQPixmap result (width, height);
result.fill (white);
TQPainter p (&result);
p.drawPixmap (0, 0, icon);
p.setFont (font);
p.drawText (icon.width() + margin, 0,
width, height,
AlignLeft | AlignVCenter,
label());
p.end();
TQBitmap tqmask (width, height);
p.begin (&tqmask);
p.setFont (font);
p.fillRect (0, 0, width, height, color0);
p.setPen (color1);
p.drawPixmap (0, 0, icon.createHeuristicMask());
p.drawText (icon.width() + margin, 0,
width, height,
AlignLeft | AlignVCenter,
label());
TQBrush brush (color0);
brush.setStyle(Qt::Dense5Pattern);
p.fillRect (0, 0, width, height, brush);
p.end();
result.setMask(tqmask);
result.setOptimization(TQPixmap::BestOptim);
return result;
}
void KSVItem::setIcon (const TQPixmap& icon)
{
setPixmap (Icon, icon);
}
void KSVItem::setLabel (const TQString& label)
{
mData->setLabel (label);
setText (ServiceName, label);
}
void KSVItem::setRunlevel (const TQString& runlevel)
{
mData->setRunlevel (runlevel);
}
void KSVItem::setFilename (const TQString& file)
{
mData->setFilename (file);
}
void KSVItem::setNumber (TQ_INT8 nr)
{
mData->setNumber (nr);
setText(SortNumber, mData->numberString());
}
void KSVItem::setPath (const TQString& path)
{
mData->setPath (path);
}
void KSVItem::setNewNormalColor (const TQColor& col)
{
mNewNormalColor = col;
}
void KSVItem::setNewSelectedColor (const TQColor& col)
{
mNewSelectedColor = col;
}
void KSVItem::setChangedNormalColor (const TQColor& col)
{
mChangedNormalColor = col;
}
void KSVItem::setChangedSelectedColor (const TQColor& col)
{
mChangedSelectedColor = col;
}
void KSVItem::setChanged (bool val)
{
mData->setChanged (val);
}
void KSVItem::setOriginalRunlevel (const TQString& rl)
{
mData->setOriginalRunlevel (rl);
}
//-----------------------
// KSVDragList
//-----------------------
KSVDragList::KSVDragList ( TQWidget* tqparent, const char* name )
: KListView (tqparent, name),
mItemToDrag (0L),
mDragMenu (new KPopupMenu (this)),
mDragCopyMenu (new KPopupMenu (this)),
mDragMoveMenu (new KPopupMenu (this)),
mDisplayToolTips (true),
mCommonToolTips (true)
{
// add tooltips
toolTip=new KDLToolTip (this);
setDragEnabled (true);
setDragAutoScroll(true);
setAcceptDrops(true);
setDropVisualizer (true);
TQHeader* h = header();
h->setClickEnabled (false);
addColumn (i18n("No.")); // SortNumber
// setColumnWidthMode (KSVItem::SortNumber, Manual);
addColumn (""); // Icon
// setColumnWidthMode (KSVItem::Icon, Manual);
addColumn (i18n("Name")); // ServiceName
// setColumnWidthMode (KSVItem::ServiceName, Manual);
h->setResizeEnabled (false, KSVItem::Icon);
setShowSortIndicator (false);
setAllColumnsShowFocus (true);
// multiselection is to complicated due to the sorting numbers
setSelectionModeExt (Single);
// init DND menu
mDragMenu->insertTitle (i18n("Drag Menu"));
mDragMenu->insertItem ("&Copy", Copy);
mDragMenu->insertItem ("&Move", Move);
mDragCopyMenu->insertTitle (i18n("Drag Menu"));
mDragCopyMenu->insertItem ("&Copy", Copy);
mDragMoveMenu->insertTitle (i18n("Drag Menu"));
mDragMoveMenu->insertItem ("&Move", Move);
mRMList.setAutoDelete(true);
// catch drops
connect (this, TQT_SIGNAL (dropped (TQDropEvent*, TQListViewItem*)),
this, TQT_SLOT (drop (TQDropEvent*, TQListViewItem*)));
}
KSVDragList::~KSVDragList()
{
delete mDragMenu;
delete mDragCopyMenu;
delete mDragMoveMenu;
delete toolTip;
}
void KSVDragList::initItem (TQString file, TQString path, TQString name, TQ_INT8 nr)
{
KSVItem* tmp = new KSVItem(this, file, path, name, nr);
tmp->setRunlevel(TQT_TQOBJECT(this)->name());
tmp->setOriginalRunlevel(TQT_TQOBJECT(this)->name());
tmp->setIcon (mIcon);
setUpdatesEnabled(false);
// marked as new in insert, we don<6F>t want that
tmp->setNew(false);
tmp->setChanged (false);
setUpdatesEnabled(true);
tqrepaint(false);
}
void KSVDragList::setDefaultIcon (const TQPixmap& icon)
{
mIcon = icon;
for (TQListViewItemIterator it (firstChild()); it.current(); ++it)
{
static_cast <KSVItem*> (it.current())->setIcon (mIcon);
}
}
void KSVDragList::clear ()
{
KListView::clear();
clearRMList();
}
void KSVDragList::setNewNormalColor ( const TQColor& col )
{
mNewNormalColor = col;
KSVItem* item;
for (TQListViewItemIterator it (firstChild());
(item = static_cast<KSVItem*>(it.current()));
++it)
{
item->setNewNormalColor (mNewNormalColor);
}
}
void KSVDragList::setNewSelectedColor (const TQColor& col)
{
mNewSelectedColor = col;
KSVItem* item;
for (TQListViewItemIterator it (firstChild());
(item = static_cast<KSVItem*>(it.current()));
++it)
{
item->setNewSelectedColor (mNewSelectedColor);
}
}
TQ_INT8 KSVDragList::generateNumber (const TQString& label,
const KSVData* itemBelow, const KSVData* itemAbove) const
{
TQ_INT8 high = itemBelow ? itemBelow->number() : -1;
TQ_INT8 low = itemAbove ? itemAbove->number() : -1;
TQ_INT8 result = generateNumber (high, low);
if (high == result && result != -1 && label >= itemBelow->label())
result = -1;
if (low == result && result != -1 && label <= itemAbove->label())
result = -1;
return result;
}
TQ_INT8 KSVDragList::generateNumber (TQ_INT8 high, TQ_INT8 low) const
{
Q_ASSERT (high >= low || high == -1);
TQ_INT8 result = -1;
if (low < 0)
{
if (high < 0)
result = 50;
else
result = high / 2;
}
else if (high < 0)
result = (100 - low) / 2 + low;
else
result = (high - low) / 2 + low;
return result;
}
void KSVDragList::setChangedNormalColor (const TQColor& col)
{
mChangedNormalColor = col;
KSVItem* item;
for (TQListViewItemIterator it (firstChild());
(item = static_cast<KSVItem*> (it.current()));
++it)
{
item->setChangedNormalColor (mChangedNormalColor);
}
}
void KSVDragList::setChangedSelectedColor (const TQColor& col)
{
mChangedSelectedColor = col;
KSVItem* item;
for (TQListViewItemIterator it (firstChild());
(item = static_cast<KSVItem*> (it.current()));
++it)
{
item->setChangedSelectedColor (mChangedSelectedColor);
}
}
KSVItem* KSVDragList::match (const KSVData& data)
{
KSVItem* res = 0L;
for (TQListViewItemIterator it (this);
(res = static_cast<KSVItem*> (it.current()));
++it)
{
if (*res->data() == data)
break;
else
res = 0L;
}
return res;
}
void KSVDragList::setOrigin (bool val)
{
mOrigin = val;
if (mOrigin)
{
emit newOrigin (this);
emit newOrigin();
}
else
clearSelection();
}
void KSVDragList::startDrag ()
{
mItemToDrag = static_cast<KSVItem*> (currentItem());
KSVDrag* d = dynamic_cast<KSVDrag*> (dragObject());
if (d)
{
d->setPixmap (mItemToDrag->paintDragIcon (font(), tqcolorGroup()));
d->drag();
}
}
//KSVDrag* KSVDragList::dragObject ()
TQDragObject* KSVDragList::dragObject ()
{
if (mItemToDrag)
{
return new KSVDrag (*mItemToDrag, this);
}
else
return 0L;
}
bool KSVDragList::acceptDrag (TQDropEvent* e) const
{
e->acceptAction ();
return acceptDrops() && e->provides ("application/x-ksysv");
}
void KSVDragList::focusInEvent (TQFocusEvent* e)
{
KListView::focusInEvent(e);
if (!currentItem())
setCurrentItem (firstChild());
setOrigin(true);
}
void KSVDragList::clearRMList()
{
mRMList.clear();
}
bool KSVDragList::removeFromRMList (const KSVData& item)
{
KSVData* res = 0L;
for (TQPtrListIterator<KSVData> it (mRMList);
it.current();
++it)
{
res = it.current();
if (*res == item)
break;
else
res = 0L;
}
if (res)
return mRMList.remove (res);
else
return false;
}
bool KSVDragList::insert (const KSVData& data, const KSVData* above, const KSVData* below)
{
TQ_INT8 nr = generateNumber (data.label(), below, above);
if (nr > -1)
{
KSVData real (data);
real.setNumber (nr);
KSVItem* item = new KSVItem (this, real);
item->setNew (true);
return true;
}
else
emit cannotGenerateNumber ();
return false;
}
bool KSVDragList::insert (const KSVData& data, const KSVItem* where, KSVAction*& action)
{
const KSVData* above = 0L;
const KSVData* below = 0L;
if (where)
{
above = where->data();
KSVItem* tmp = static_cast<KSVItem*> (where->nextSibling());
below = tmp ? tmp->data() : 0L;
}
else
{
KSVItem* tmp = static_cast<KSVItem*> (firstChild());
below = tmp ? tmp->data() : 0L;
}
bool success = false;
KSVItem* exists = match (data);
action = 0L;
if (exists)
{
if (exists->data() == above || exists->data() == below)
return false;
TQ_INT8 nr = generateNumber (exists->label(), below, above);
if (nr == -1)
{
emit cannotGenerateNumber();
}
else
{
KSVData oldState = *exists->data();
exists->setNumber (nr);
sort();
action = new ChangeAction (this, &oldState, exists->data());
success = true;
}
}
else
{
success = insert (data, above, below);
if (success)
action = new AddAction (this, match (data)->data());
}
return success;
}
void KSVDragList::drop (TQDropEvent* e, TQListViewItem* after)
{
KSVData data;
KSVDragList* source = static_cast<KSVDragList*> (e->source());
TQPopupMenu* menu = 0L;
// hack to empty the cursor stack after DND
TQApplication::restoreOverrideCursor();
TQApplication::restoreOverrideCursor();
if ((!source) || (!strcmp(source->name(), "Scripts")))
menu = mDragCopyMenu;
else if (source == this)
menu = mDragMoveMenu;
else
menu = mDragMenu;
if (KSVDrag::decodeNative (e, data))
{
int res = -1;
if (e->action() == TQDropEvent::Copy && source != this)
res = Copy;
else
res = menu->exec (TQCursor::pos(), 1);
if (res == -1) // operation cancelled
return;
const bool move = res == Move;
KSVItem* tmp = static_cast<KSVItem*> (after);
KSVAction* action = 0L;
if (insert (data, tmp, action))
{
if (move && source != this)
{
KSVAction* actions[2];
actions [0] = new RemoveAction (source, &data);
actions [1] = action;
action = new CompoundAction (actions, 2);
delete source->match (data);
}
emit undoAction (action);
}
}
}
bool KSVDragList::addToRMList (const KSVData& item)
{
KSVData* res = 0L;
for (TQPtrListIterator<KSVData> it (mRMList);
it.current();
++it)
{
res = it.current();
if (*res == item)
break;
else
res = 0L;
}
if (!res)
{
mRMList.append (new KSVData(item));
return true;
}
else
return false;
}
void KSVDragList::setEnabled (bool enable)
{
if (enable)
clearWState (WState_ForceDisabled);
else
setWState (WState_ForceDisabled);
if (enable)
{
if (testWState (WState_Disabled))
{
clearWState (WState_Disabled);
// setBackgroundFromMode(); // this is private in TQWidget...
// well it doesn't really matter in this case
enabledChange( TRUE );
}
}
else
{
if (!testWState(WState_Disabled))
{
if (tqfocusWidget() == this)
focusNextPrevChild (TRUE);
setWState (WState_Disabled);
// setBackgroundFromMode(); // this is private in TQWidget...
// well it doesn't really matter in this case
enabledChange (FALSE);
}
}
viewport()->setEnabled (enable);
}
// KServiceDragList
KServiceDragList::KServiceDragList (TQWidget* tqparent, const char* name)
: KSVDragList (tqparent, name)
{
}
KServiceDragList::~KServiceDragList ()
{
}
void KServiceDragList::startDrag ()
{
mItemToDrag = static_cast<KSVItem*> (currentItem());
KSVDrag* d = dynamic_cast<KSVDrag*> (dragObject());
if (d)
{
d->setPixmap (mItemToDrag->paintDragIcon (font(), tqcolorGroup()));
d->dragCopy();
}
}
#include "ksvdraglist.moc"