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tdelibs/tdeui/tdelistview.cpp

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/* This file is part of the KDE libraries
Copyright (C) 2000 Reginald Stadlbauer <reggie@kde.org>
Copyright (C) 2000,2003 Charles Samuels <charles@kde.org>
Copyright (C) 2000 Peter Putzer
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 "config.h"
#include <tqdragobject.h>
#include <tqtimer.h>
#include <tqheader.h>
#include <tqcursor.h>
#include <tqtooltip.h>
#include <tqstyle.h>
#include <tqpainter.h>
#include <tdeglobalsettings.h>
#include <tdeconfig.h>
#include <kcursor.h>
#include <tdeapplication.h>
#include <kipc.h>
#include <kdebug.h>
#include "tdelistview.h"
#include "tdelistviewlineedit.h"
class TDEListView::Tooltip : public TQToolTip
{
public:
Tooltip (TDEListView* parent, TQToolTipGroup* group = 0L);
virtual ~Tooltip () {}
protected:
/**
* Reimplemented from TQToolTip for internal reasons.
*/
virtual void maybeTip (const TQPoint&);
private:
TDEListView* mParent;
};
TDEListView::Tooltip::Tooltip (TDEListView* parent, TQToolTipGroup* group)
: TQToolTip (parent, group),
mParent (parent)
{
}
void TDEListView::Tooltip::maybeTip (const TQPoint&)
{
// FIXME
}
class TDEListView::TDEListViewPrivate
{
public:
TDEListViewPrivate (TDEListView* listview)
: pCurrentItem (0),
autoSelectDelay(0),
dragOverItem(0),
dragDelay (TDEGlobalSettings::dndEventDelay()),
editor (new TDEListViewLineEdit (listview)),
cursorInExecuteArea(false),
itemsMovable (true),
selectedBySimpleMove(false),
selectedUsingMouse(false),
itemsRenameable (false),
validDrag (false),
dragEnabled (false),
autoOpen (true),
disableAutoSelection (false),
dropVisualizer (true),
dropHighlighter (false),
createChildren (true),
pressedOnSelected (false),
wasShiftEvent (false),
fullWidth (false),
sortAscending(true),
tabRename(true),
sortColumn(0),
selectionDirection(0),
tooltipColumn (0),
selectionMode (Single),
contextMenuKey (TDEGlobalSettings::contextMenuKey()),
showContextMenusOnPress (TDEGlobalSettings::showContextMenusOnPress()),
mDropVisualizerWidth (4),
paintAbove (0),
paintCurrent (0),
paintBelow (0),
painting (false),
shadeSortColumn(TDEGlobalSettings::shadeSortColumn())
{
renameable.append(0);
connect(editor, TQT_SIGNAL(done(TQListViewItem*,int)), listview, TQT_SLOT(doneEditing(TQListViewItem*,int)));
}
~TDEListViewPrivate ()
{
delete editor;
}
TQListViewItem* pCurrentItem;
TQTimer autoSelect;
int autoSelectDelay;
TQTimer dragExpand;
TQListViewItem* dragOverItem;
TQPoint dragOverPoint;
TQPoint startDragPos;
int dragDelay;
TDEListViewLineEdit *editor;
TQValueList<int> renameable;
bool cursorInExecuteArea:1;
bool bUseSingle:1;
bool bChangeCursorOverItem:1;
bool itemsMovable:1;
bool selectedBySimpleMove : 1;
bool selectedUsingMouse:1;
bool itemsRenameable:1;
bool validDrag:1;
bool dragEnabled:1;
bool autoOpen:1;
bool disableAutoSelection:1;
bool dropVisualizer:1;
bool dropHighlighter:1;
bool createChildren:1;
bool pressedOnSelected:1;
bool wasShiftEvent:1;
bool fullWidth:1;
bool sortAscending:1;
bool tabRename:1;
int sortColumn;
//+1 means downwards (y increases, -1 means upwards, 0 means not selected), aleXXX
int selectionDirection;
int tooltipColumn;
SelectionModeExt selectionMode;
int contextMenuKey;
bool showContextMenusOnPress;
TQRect mOldDropVisualizer;
int mDropVisualizerWidth;
TQRect mOldDropHighlighter;
TQListViewItem *afterItemDrop;
TQListViewItem *parentItemDrop;
TQListViewItem *paintAbove;
TQListViewItem *paintCurrent;
TQListViewItem *paintBelow;
bool painting:1;
bool shadeSortColumn:1;
TQColor alternateBackground;
};
TDEListViewLineEdit::TDEListViewLineEdit(TDEListView *parent)
: KLineEdit(parent->viewport()), item(0), col(0), p(parent)
{
setFrame( false );
hide();
connect( parent, TQT_SIGNAL( selectionChanged() ), TQT_SLOT( slotSelectionChanged() ));
connect( parent, TQT_SIGNAL( itemRemoved( TQListViewItem * ) ),
TQT_SLOT( slotItemRemoved( TQListViewItem * ) ));
}
TDEListViewLineEdit::~TDEListViewLineEdit()
{
}
TQListViewItem *TDEListViewLineEdit::currentItem() const
{
return item;
}
void TDEListViewLineEdit::load(TQListViewItem *i, int c)
{
item=i;
col=c;
TQRect rect(p->itemRect(i));
setText(item->text(c));
home( true );
int fieldX = rect.x() - 1;
int fieldW = p->columnWidth(col) + 2;
TQHeader* const pHeader = p->header();
const int pos = pHeader->mapToIndex(col);
for ( int index = 0; index < pos; ++index )
fieldX += p->columnWidth( pHeader->mapToSection( index ));
if ( col == 0 ) {
int d = i->depth() + (p->rootIsDecorated() ? 1 : 0);
d *= p->treeStepSize();
fieldX += d;
fieldW -= d;
}
if ( i->pixmap( col ) ) {// add width of pixmap
int d = i->pixmap( col )->width();
fieldX += d;
fieldW -= d;
}
setGeometry(fieldX, rect.y() - 1, fieldW, rect.height() + 2);
show();
setFocus();
}
/* Helper functions to for
* tabOrderedRename functionality.
*/
static int nextCol (TDEListView *pl, TQListViewItem *pi, int start, int dir)
{
if (pi)
{
// Find the next renameable column in the current row
for (; ((dir == +1) ? (start < pl->columns()) : (start >= 0)); start += dir)
if (pl->isRenameable(start))
return start;
}
return -1;
}
static TQListViewItem *prevItem (TQListViewItem *pi)
{
TQListViewItem *pa = pi->itemAbove();
/* Does what the TQListViewItem::previousSibling()
* of my dreams would do.
*/
if (pa && pa->parent() == pi->parent())
return pa;
return 0;
}
static TQListViewItem *lastQChild (TQListViewItem *pi)
{
if (pi)
{
/* Since there's no TQListViewItem::lastChild().
* This finds the last sibling for the given
* item.
*/
for (TQListViewItem *pt = pi->nextSibling(); pt; pt = pt->nextSibling())
pi = pt;
}
return pi;
}
void TDEListViewLineEdit::selectNextCell (TQListViewItem *pitem, int column, bool forward)
{
const int ncols = p->columns();
const int dir = forward ? +1 : -1;
const int restart = forward ? 0 : (ncols - 1);
TQListViewItem *top = (pitem && pitem->parent())
? pitem->parent()->firstChild()
: p->firstChild();
TQListViewItem *pi = pitem;
terminate(); // Save current changes
do
{
/* Check the rest of the current row for an editable column,
* if that fails, check the entire next/previous row. The
* last case goes back to the first item in the current branch
* or the last item in the current branch depending on the
* direction.
*/
if ((column = nextCol(p, pi, column + dir, dir)) != -1 ||
(column = nextCol(p, (pi = (forward ? pi->nextSibling() : prevItem(pi))), restart, dir)) != -1 ||
(column = nextCol(p, (pi = (forward ? top : lastQChild(pitem))), restart, dir)) != -1)
{
if (pi)
{
p->setCurrentItem(pi); // Calls terminate
p->rename(pi, column);
/* Some listviews may override rename() to
* prevent certain items from being renamed,
* if this is done, [m_]item will be NULL
* after the rename() call... try again.
*/
if (!item)
continue;
break;
}
}
}
while (pi && !item);
}
#ifdef KeyPress
#undef KeyPress
#endif
bool TDEListViewLineEdit::event (TQEvent *pe)
{
if (pe->type() == TQEvent::KeyPress)
{
TQKeyEvent *k = (TQKeyEvent *) pe;
if ((k->key() == Qt::Key_Backtab || k->key() == Qt::Key_Tab) &&
p->tabOrderedRenaming() && p->itemsRenameable() &&
!(k->state() & ControlButton || k->state() & AltButton))
{
selectNextCell(item, col,
(k->key() == Key_Tab && !(k->state() & ShiftButton)));
return true;
}
}
return KLineEdit::event(pe);
}
void TDEListViewLineEdit::keyPressEvent(TQKeyEvent *e)
{
if(e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter )
terminate(true);
else if(e->key() == Qt::Key_Escape)
terminate(false);
else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Up)
{
terminate(true);
KLineEdit::keyPressEvent(e);
}
else
KLineEdit::keyPressEvent(e);
}
void TDEListViewLineEdit::terminate()
{
terminate(true);
}
void TDEListViewLineEdit::terminate(bool commit)
{
if ( item )
{
//kdDebug() << "TDEListViewLineEdit::terminate " << commit << endl;
if (commit)
item->setText(col, text());
int c=col;
TQListViewItem *i=item;
col=0;
item=0;
p->setFocus();// will call focusOutEvent, that's why we set item=0 before
hide();
if (commit)
emit done(i,c);
}
}
void TDEListViewLineEdit::focusOutEvent(TQFocusEvent *ev)
{
TQFocusEvent * focusEv = static_cast<TQFocusEvent*>(ev);
// Don't let a RMB close the editor
if (focusEv->reason() != TQFocusEvent::Popup && focusEv->reason() != TQFocusEvent::ActiveWindow)
terminate(true);
else
KLineEdit::focusOutEvent(ev);
}
void TDEListViewLineEdit::paintEvent( TQPaintEvent *e )
{
KLineEdit::paintEvent( e );
if ( !frame() ) {
TQPainter p( this );
p.setClipRegion( e->region() );
p.drawRect( rect() );
}
}
// selection changed -> terminate. As our "item" can be already deleted,
// we can't call terminate(false), because that would emit done() with
// a dangling pointer to "item".
void TDEListViewLineEdit::slotSelectionChanged()
{
item = 0;
col = 0;
hide();
}
// if the current item was removed -> terminate. Can't call terminate(false)
// due to same reason as slotSelectionChanged().
void TDEListViewLineEdit::slotItemRemoved(TQListViewItem *i)
{
if (currentItem() != i)
return;
item = 0;
col = 0;
hide();
}
TDEListView::TDEListView( TQWidget *parent, const char *name )
: TQListView( parent, name ),
d (new TDEListViewPrivate (this))
{
setDragAutoScroll(true);
connect( this, TQT_SIGNAL( onViewport() ),
this, TQT_SLOT( slotOnViewport() ) );
connect( this, TQT_SIGNAL( onItem( TQListViewItem * ) ),
this, TQT_SLOT( slotOnItem( TQListViewItem * ) ) );
connect (this, TQT_SIGNAL(contentsMoving(int,int)),
this, TQT_SLOT(cleanDropVisualizer()));
connect (this, TQT_SIGNAL(contentsMoving(int,int)),
this, TQT_SLOT(cleanItemHighlighter()));
slotSettingsChanged(TDEApplication::SETTINGS_MOUSE);
if (kapp)
{
connect( kapp, TQT_SIGNAL( settingsChanged(int) ), TQT_SLOT( slotSettingsChanged(int) ) );
kapp->addKipcEventMask( KIPC::SettingsChanged );
}
connect(&d->autoSelect, TQT_SIGNAL( timeout() ),
this, TQT_SLOT( slotAutoSelect() ) );
connect(&d->dragExpand, TQT_SIGNAL( timeout() ),
this, TQT_SLOT( slotDragExpand() ) );
// context menu handling
if (d->showContextMenusOnPress)
{
connect (this, TQT_SIGNAL (rightButtonPressed (TQListViewItem*, const TQPoint&, int)),
this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
}
else
{
connect (this, TQT_SIGNAL (rightButtonClicked (TQListViewItem*, const TQPoint&, int)),
this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
}
connect (this, TQT_SIGNAL (menuShortCutPressed (TDEListView*, TQListViewItem*)),
this, TQT_SLOT (emitContextMenu (TDEListView*, TQListViewItem*)));
d->alternateBackground = TDEGlobalSettings::alternateBackgroundColor();
}
TDEListView::~TDEListView()
{
delete d;
}
bool TDEListView::isExecuteArea( const TQPoint& point )
{
TQListViewItem* item = itemAt( point );
if ( item ) {
return isExecuteArea( point.x(), item );
}
return false;
}
bool TDEListView::isExecuteArea( int x )
{
return isExecuteArea( x, 0 );
}
bool TDEListView::isExecuteArea( int x, TQListViewItem* item )
{
if( allColumnsShowFocus() )
return true;
else {
int offset = 0;
int width = columnWidth( 0 );
TQHeader* const thisHeader = header();
const int pos = thisHeader->mapToIndex( 0 );
for ( int index = 0; index < pos; ++index )
offset += columnWidth( thisHeader->mapToSection( index ) );
x += contentsX(); // in case of a horizontal scrollbar
if ( item )
{
width = treeStepSize()*( item->depth() + ( rootIsDecorated() ? 1 : 0 ) );
width += itemMargin();
int ca = AlignHorizontal_Mask & columnAlignment( 0 );
if ( ca == AlignLeft || ca == AlignAuto ) {
width += item->width( fontMetrics(), this, 0 );
if ( width > columnWidth( 0 ) )
width = columnWidth( 0 );
}
}
return ( x > offset && x < ( offset + width ) );
}
}
void TDEListView::slotOnItem( TQListViewItem *item )
{
TQPoint vp = viewport()->mapFromGlobal( TQCursor::pos() );
if ( item && isExecuteArea( vp.x() ) && (d->autoSelectDelay > -1) && d->bUseSingle ) {
d->autoSelect.start( d->autoSelectDelay, true );
d->pCurrentItem = item;
}
}
void TDEListView::slotOnViewport()
{
if ( d->bChangeCursorOverItem )
viewport()->unsetCursor();
d->autoSelect.stop();
d->pCurrentItem = 0L;
}
void TDEListView::slotSettingsChanged(int category)
{
switch (category)
{
case TDEApplication::SETTINGS_MOUSE:
d->dragDelay = TDEGlobalSettings::dndEventDelay();
d->bUseSingle = TDEGlobalSettings::singleClick();
disconnect(this, TQT_SIGNAL (mouseButtonClicked (int, TQListViewItem*, const TQPoint &, int)),
this, TQT_SLOT (slotMouseButtonClicked (int, TQListViewItem*, const TQPoint &, int)));
if( d->bUseSingle )
connect (this, TQT_SIGNAL (mouseButtonClicked (int, TQListViewItem*, const TQPoint &, int)),
this, TQT_SLOT (slotMouseButtonClicked( int, TQListViewItem*, const TQPoint &, int)));
d->bChangeCursorOverItem = TDEGlobalSettings::changeCursorOverIcon();
if ( !d->disableAutoSelection )
d->autoSelectDelay = TDEGlobalSettings::autoSelectDelay();
if( !d->bUseSingle || !d->bChangeCursorOverItem )
viewport()->unsetCursor();
break;
case TDEApplication::SETTINGS_POPUPMENU:
d->contextMenuKey = TDEGlobalSettings::contextMenuKey ();
d->showContextMenusOnPress = TDEGlobalSettings::showContextMenusOnPress ();
if (d->showContextMenusOnPress)
{
disconnect (0L, 0L, this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
connect(this, TQT_SIGNAL (rightButtonPressed (TQListViewItem*, const TQPoint&, int)),
this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
}
else
{
disconnect (0L, 0L, this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
connect(this, TQT_SIGNAL (rightButtonClicked (TQListViewItem*, const TQPoint&, int)),
this, TQT_SLOT (emitContextMenu (TQListViewItem*, const TQPoint&, int)));
}
break;
default:
break;
}
}
void TDEListView::slotAutoSelect()
{
// check that the item still exists
if( itemIndex( d->pCurrentItem ) == -1 )
return;
if (!isActiveWindow())
{
d->autoSelect.stop();
return;
}
//Give this widget the keyboard focus.
if( !hasFocus() )
setFocus();
ButtonState keybstate = TDEApplication::keyboardMouseState();
TQListViewItem* previousItem = currentItem();
setCurrentItem( d->pCurrentItem );
if( d->pCurrentItem ) {
//Shift pressed?
if( (keybstate & TQt::ShiftButton) ) {
bool block = signalsBlocked();
blockSignals( true );
//No Ctrl? Then clear before!
if( !(keybstate & TQt::ControlButton) )
clearSelection();
bool select = !d->pCurrentItem->isSelected();
bool update = viewport()->isUpdatesEnabled();
viewport()->setUpdatesEnabled( false );
bool down = previousItem->itemPos() < d->pCurrentItem->itemPos();
TQListViewItemIterator lit( down ? previousItem : d->pCurrentItem );
for ( ; lit.current(); ++lit ) {
if ( down && lit.current() == d->pCurrentItem ) {
d->pCurrentItem->setSelected( select );
break;
}
if ( !down && lit.current() == previousItem ) {
previousItem->setSelected( select );
break;
}
lit.current()->setSelected( select );
}
blockSignals( block );
viewport()->setUpdatesEnabled( update );
triggerUpdate();
emit selectionChanged();
if( selectionMode() == TQListView::Single )
emit selectionChanged( d->pCurrentItem );
}
else if( (keybstate & TDEApplication::ControlModifier) )
setSelected( d->pCurrentItem, !d->pCurrentItem->isSelected() );
else {
bool block = signalsBlocked();
blockSignals( true );
if( !d->pCurrentItem->isSelected() )
clearSelection();
blockSignals( block );
setSelected( d->pCurrentItem, true );
}
}
else
kdDebug() << "TDEListView::slotAutoSelect: That<61>s not supposed to happen!!!!" << endl;
}
void TDEListView::slotHeaderChanged()
{
const int colCount = columns();
if (d->fullWidth && colCount)
{
int w = 0;
const int lastColumn = colCount - 1;
for (int i = 0; i < lastColumn; ++i) w += columnWidth(i);
setColumnWidth( lastColumn, viewport()->width() - w - 1 );
}
}
void TDEListView::emitExecute( TQListViewItem *item, const TQPoint &pos, int c )
{
if( isExecuteArea( viewport()->mapFromGlobal(pos) ) ) {
d->validDrag=false;
// Double click mode ?
if ( !d->bUseSingle )
{
viewport()->unsetCursor();
emit executed( item );
emit executed( item, pos, c );
}
else
{
ButtonState keybstate = TDEApplication::keyboardMouseState();
d->autoSelect.stop();
//Don't emit executed if in SC mode and Shift or Ctrl are pressed
if( !( ((keybstate & TQt::ShiftButton) || (keybstate & TQt::ControlButton)) ) ) {
viewport()->unsetCursor();
emit executed( item );
emit executed( item, pos, c );
}
}
}
}
void TDEListView::focusInEvent( TQFocusEvent *fe )
{
// kdDebug()<<"TDEListView::focusInEvent()"<<endl;
TQListView::focusInEvent( fe );
if ((d->selectedBySimpleMove)
&& (d->selectionMode == FileManager)
&& (fe->reason()!=TQFocusEvent::Popup)
&& (fe->reason()!=TQFocusEvent::ActiveWindow)
&& (currentItem()))
{
currentItem()->setSelected(true);
currentItem()->repaint();
emit selectionChanged();
};
}
void TDEListView::focusOutEvent( TQFocusEvent *fe )
{
cleanDropVisualizer();
cleanItemHighlighter();
d->autoSelect.stop();
if ((d->selectedBySimpleMove)
&& (d->selectionMode == FileManager)
&& (fe->reason()!=TQFocusEvent::Popup)
&& (fe->reason()!=TQFocusEvent::ActiveWindow)
&& (currentItem())
&& (!d->editor->isVisible()))
{
currentItem()->setSelected(false);
currentItem()->repaint();
emit selectionChanged();
};
TQListView::focusOutEvent( fe );
}
void TDEListView::leaveEvent( TQEvent *e )
{
d->autoSelect.stop();
TQListView::leaveEvent( e );
}
bool TDEListView::event( TQEvent *e )
{
if (e->type() == TQEvent::ApplicationPaletteChange)
d->alternateBackground=TDEGlobalSettings::alternateBackgroundColor();
return TQListView::event(e);
}
void TDEListView::contentsMousePressEvent( TQMouseEvent *e )
{
if( (selectionModeExt() == Extended) && (e->state() & ShiftButton) && !(e->state() & ControlButton) )
{
bool block = signalsBlocked();
blockSignals( true );
clearSelection();
blockSignals( block );
}
else if ((selectionModeExt()==FileManager) && (d->selectedBySimpleMove))
{
d->selectedBySimpleMove=false;
d->selectedUsingMouse=true;
if (currentItem())
{
currentItem()->setSelected(false);
currentItem()->repaint();
// emit selectionChanged();
}
}
TQPoint p( contentsToViewport( e->pos() ) );
TQListViewItem *at = itemAt (p);
// true if the root decoration of the item "at" was clicked (i.e. the +/- sign)
bool rootDecoClicked = at
&& ( p.x() <= header()->cellPos( header()->mapToActual( 0 ) ) +
treeStepSize() * ( at->depth() + ( rootIsDecorated() ? 1 : 0) ) + itemMargin() )
&& ( p.x() >= header()->cellPos( header()->mapToActual( 0 ) ) );
if (e->button() == Qt::LeftButton && !rootDecoClicked)
{
//Start a drag
d->startDragPos = e->pos();
if (at)
{
d->validDrag = true;
d->pressedOnSelected = at->isSelected();
}
}
TQListView::contentsMousePressEvent( e );
}
void TDEListView::contentsMouseMoveEvent( TQMouseEvent *e )
{
if (!dragEnabled() || d->startDragPos.isNull() || !d->validDrag)
TQListView::contentsMouseMoveEvent (e);
TQPoint vp = contentsToViewport(e->pos());
TQListViewItem *item = itemAt( vp );
//do we process cursor changes at all?
if ( item && d->bChangeCursorOverItem && d->bUseSingle )
{
//Cursor moved on a new item or in/out the execute area
if( (item != d->pCurrentItem) ||
(isExecuteArea(vp) != d->cursorInExecuteArea) )
{
d->cursorInExecuteArea = isExecuteArea(vp);
if( d->cursorInExecuteArea ) //cursor moved in execute area
viewport()->setCursor( KCursor::handCursor() );
else //cursor moved out of execute area
viewport()->unsetCursor();
}
}
bool dragOn = dragEnabled();
TQPoint newPos = e->pos();
if (dragOn && d->validDrag &&
(newPos.x() > d->startDragPos.x()+d->dragDelay ||
newPos.x() < d->startDragPos.x()-d->dragDelay ||
newPos.y() > d->startDragPos.y()+d->dragDelay ||
newPos.y() < d->startDragPos.y()-d->dragDelay))
//(d->startDragPos - e->pos()).manhattanLength() > TQApplication::startDragDistance())
{
TQListView::contentsMouseReleaseEvent( 0 );
startDrag();
d->startDragPos = TQPoint();
d->validDrag = false;
}
}
void TDEListView::contentsMouseReleaseEvent( TQMouseEvent *e )
{
if (e->button() == Qt::LeftButton)
{
// If the row was already selected, maybe we want to start an in-place editing
if ( d->pressedOnSelected && itemsRenameable() )
{
TQPoint p( contentsToViewport( e->pos() ) );
TQListViewItem *at = itemAt (p);
if ( at )
{
// true if the root decoration of the item "at" was clicked (i.e. the +/- sign)
bool rootDecoClicked =
( p.x() <= header()->cellPos( header()->mapToActual( 0 ) ) +
treeStepSize() * ( at->depth() + ( rootIsDecorated() ? 1 : 0) ) + itemMargin() )
&& ( p.x() >= header()->cellPos( header()->mapToActual( 0 ) ) );
if (!rootDecoClicked)
{
int col = header()->mapToLogical( header()->cellAt( p.x() ) );
if ( d->renameable.contains(col) )
rename(at, col);
}
}
}
d->pressedOnSelected = false;
d->validDrag = false;
d->startDragPos = TQPoint();
}
TQListView::contentsMouseReleaseEvent( e );
}
void TDEListView::contentsMouseDoubleClickEvent ( TQMouseEvent *e )
{
// We don't want to call the parent method because it does setOpen,
// whereas we don't do it in single click mode... (David)
//TQListView::contentsMouseDoubleClickEvent( e );
if ( !e || e->button() != Qt::LeftButton )
return;
TQPoint vp = contentsToViewport(e->pos());
TQListViewItem *item = itemAt( vp );
emit TQListView::doubleClicked( item ); // we do it now
int col = item ? header()->mapToLogical( header()->cellAt( vp.x() ) ) : -1;
if( item ) {
emit doubleClicked( item, e->globalPos(), col );
if( (e->button() == Qt::LeftButton) && !d->bUseSingle )
emitExecute( item, e->globalPos(), col );
}
}
void TDEListView::slotMouseButtonClicked( int btn, TQListViewItem *item, const TQPoint &pos, int c )
{
if( (btn == Qt::LeftButton) && item )
emitExecute(item, pos, c);
}
void TDEListView::contentsDropEvent(TQDropEvent* e)
{
cleanDropVisualizer();
cleanItemHighlighter();
d->dragExpand.stop();
if (acceptDrag (e))
{
e->acceptAction();
TQListViewItem *afterme;
TQListViewItem *parent;
findDrop(e->pos(), parent, afterme);
if (e->source() == viewport() && itemsMovable())
movableDropEvent(parent, afterme);
else
{
emit dropped(e, afterme);
emit dropped(this, e, afterme);
emit dropped(e, parent, afterme);
emit dropped(this, e, parent, afterme);
}
}
}
void TDEListView::movableDropEvent (TQListViewItem* parent, TQListViewItem* afterme)
{
TQPtrList<TQListViewItem> items, afterFirsts, afterNows;
TQListViewItem *current=currentItem();
bool hasMoved=false;
for (TQListViewItem *i = firstChild(), *iNext=0; i; i = iNext)
{
iNext=i->itemBelow();
if (!i->isSelected())
continue;
// don't drop an item after itself, or else
// it moves to the top of the list
if (i==afterme)
continue;
i->setSelected(false);
TQListViewItem *afterFirst = i->itemAbove();
if (!hasMoved)
{
emit aboutToMove();
hasMoved=true;
}
moveItem(i, parent, afterme);
// ###### This should include the new parent !!! -> KDE 3.0
// If you need this right now, have a look at keditbookmarks.
emit moved(i, afterFirst, afterme);
items.append (i);
afterFirsts.append (afterFirst);
afterNows.append (afterme);
afterme = i;
}
clearSelection();
for (TQListViewItem *i=items.first(); i; i=items.next() )
i->setSelected(true);
if (current)
setCurrentItem(current);
emit moved(items,afterFirsts,afterNows);
if (firstChild())
emit moved();
}
void TDEListView::contentsDragMoveEvent(TQDragMoveEvent *event)
{
if (acceptDrag(event))
{
event->acceptAction();
//Clean up the view
findDrop(event->pos(), d->parentItemDrop, d->afterItemDrop);
TQPoint vp = contentsToViewport( event->pos() );
TQListViewItem *item = isExecuteArea( vp ) ? itemAt( vp ) : 0L;
if ( item != d->dragOverItem )
{
d->dragExpand.stop();
d->dragOverItem = item;
d->dragOverPoint = vp;
if ( d->dragOverItem && d->dragOverItem->isExpandable() && !d->dragOverItem->isOpen() )
d->dragExpand.start( TQApplication::startDragTime(), true );
}
if (dropVisualizer())
{
TQRect tmpRect = drawDropVisualizer(0, d->parentItemDrop, d->afterItemDrop);
if (tmpRect != d->mOldDropVisualizer)
{
cleanDropVisualizer();
d->mOldDropVisualizer=tmpRect;
viewport()->repaint(tmpRect);
}
}
if (dropHighlighter())
{
TQRect tmpRect = drawItemHighlighter(0, itemAt( vp ));
if (tmpRect != d->mOldDropHighlighter)
{
cleanItemHighlighter();
d->mOldDropHighlighter=tmpRect;
viewport()->repaint(tmpRect);
}
}
}
else
event->ignore();
}
void TDEListView::slotDragExpand()
{
if ( itemAt( d->dragOverPoint ) == d->dragOverItem )
d->dragOverItem->setOpen( true );
}
void TDEListView::contentsDragLeaveEvent (TQDragLeaveEvent*)
{
d->dragExpand.stop();
cleanDropVisualizer();
cleanItemHighlighter();
}
void TDEListView::cleanDropVisualizer()
{
if (d->mOldDropVisualizer.isValid())
{
TQRect rect=d->mOldDropVisualizer;
d->mOldDropVisualizer = TQRect();
viewport()->repaint(rect, true);
}
}
int TDEListView::depthToPixels( int depth )
{
return treeStepSize() * ( depth + (rootIsDecorated() ? 1 : 0) ) + itemMargin();
}
void TDEListView::findDrop(const TQPoint &pos, TQListViewItem *&parent, TQListViewItem *&after)
{
TQPoint p (contentsToViewport(pos));
// Get the position to put it in
TQListViewItem *atpos = itemAt(p);
TQListViewItem *above;
if (!atpos) // put it at the end
above = lastItem();
else
{
// Get the closest item before us ('atpos' or the one above, if any)
if (p.y() - itemRect(atpos).topLeft().y() < (atpos->height()/2))
above = atpos->itemAbove();
else
above = atpos;
}
if (above)
{
// if above has children, I might need to drop it as the first item there
if (above->firstChild() && above->isOpen())
{
parent = above;
after = 0;
return;
}
// Now, we know we want to go after "above". But as a child or as a sibling ?
// We have to ask the "above" item if it accepts children.
if (above->isExpandable())
{
// The mouse is sufficiently on the right ? - doesn't matter if 'above' has visible children
if (p.x() >= depthToPixels( above->depth() + 1 ) ||
(above->isOpen() && above->childCount() > 0) )
{
parent = above;
after = 0L;
return;
}
}
// Ok, there's one more level of complexity. We may want to become a new
// sibling, but of an upper-level group, rather than the "above" item
TQListViewItem * betterAbove = above->parent();
TQListViewItem * last = above;
while ( betterAbove )
{
// We are allowed to become a sibling of "betterAbove" only if we are
// after its last child
if ( !last->nextSibling() )
{
if (p.x() < depthToPixels ( betterAbove->depth() + 1 ))
above = betterAbove; // store this one, but don't stop yet, there may be a better one
else
break; // not enough on the left, so stop
last = betterAbove;
betterAbove = betterAbove->parent(); // up one level
} else
break; // we're among the child of betterAbove, not after the last one
}
}
// set as sibling
after = above;
parent = after ? after->parent() : 0L ;
}
TQListViewItem* TDEListView::lastChild () const
{
TQListViewItem* lastchild = firstChild();
if (lastchild)
for (; lastchild->nextSibling(); lastchild = lastchild->nextSibling());
return lastchild;
}
TQListViewItem *TDEListView::lastItem() const
{
TQListViewItem* last = lastChild();
for (TQListViewItemIterator it (last); it.current(); ++it)
last = it.current();
return last;
}
KLineEdit *TDEListView::renameLineEdit() const
{
return d->editor;
}
void TDEListView::startDrag()
{
TQDragObject *drag = dragObject();
if (!drag)
return;
if (drag->drag() && drag->target() != viewport())
emit moved();
}
TQDragObject *TDEListView::dragObject()
{
if (!currentItem())
return 0;
return new TQStoredDrag("application/x-qlistviewitem", viewport());
}
void TDEListView::setItemsMovable(bool b)
{
d->itemsMovable=b;
}
bool TDEListView::itemsMovable() const
{
return d->itemsMovable;
}
void TDEListView::setItemsRenameable(bool b)
{
d->itemsRenameable=b;
}
bool TDEListView::itemsRenameable() const
{
return d->itemsRenameable;
}
void TDEListView::setDragEnabled(bool b)
{
d->dragEnabled=b;
}
bool TDEListView::dragEnabled() const
{
return d->dragEnabled;
}
void TDEListView::setAutoOpen(bool b)
{
d->autoOpen=b;
}
bool TDEListView::autoOpen() const
{
return d->autoOpen;
}
bool TDEListView::dropVisualizer() const
{
return d->dropVisualizer;
}
void TDEListView::setDropVisualizer(bool b)
{
d->dropVisualizer=b;
}
TQPtrList<TQListViewItem> TDEListView::selectedItems() const
{
return selectedItems(true);
}
TQPtrList<TQListViewItem> TDEListView::selectedItems(bool includeHiddenItems) const
{
TQPtrList<TQListViewItem> list;
// Using selectionMode() instead of selectionModeExt() since for the cases that
// we're interested in selectionMode() should work for either variety of the
// setSelectionMode().
switch(selectionMode())
{
case NoSelection:
break;
case Single:
if(selectedItem() && (includeHiddenItems || selectedItem()->isVisible()))
list.append(selectedItem());
break;
default:
{
int flags = TQListViewItemIterator::Selected;
if (!includeHiddenItems)
{
flags |= TQListViewItemIterator::Visible;
}
TQListViewItemIterator it(const_cast<TDEListView *>(this), flags);
for(; it.current(); ++it)
list.append(it.current());
break;
}
}
return list;
}
void TDEListView::moveItem(TQListViewItem *item, TQListViewItem *parent, TQListViewItem *after)
{
// sanity check - don't move a item into its own child structure
TQListViewItem *i = parent;
while(i)
{
if(i == item)
return;
i = i->parent();
}
if (after)
{
item->moveItem(after);
return;
}
// Basically reimplementing the TQListViewItem(TQListViewItem*, TQListViewItem*) constructor
// in here, without ever deleting the item.
if (item->parent())
item->parent()->takeItem(item);
else
takeItem(item);
if (parent)
parent->insertItem(item);
else
insertItem(item);
}
void TDEListView::contentsDragEnterEvent(TQDragEnterEvent *event)
{
if (acceptDrag (event))
event->accept();
}
void TDEListView::setDropVisualizerWidth (int w)
{
d->mDropVisualizerWidth = w > 0 ? w : 1;
}
TQRect TDEListView::drawDropVisualizer(TQPainter *p, TQListViewItem *parent,
TQListViewItem *after)
{
TQRect insertmarker;
if (!after && !parent)
insertmarker = TQRect (0, 0, viewport()->width(), d->mDropVisualizerWidth/2);
else
{
int level = 0;
if (after)
{
TQListViewItem* it = 0L;
if (after->isOpen())
{
// Look for the last child (recursively)
it = after->firstChild();
if (it)
while (it->nextSibling() || it->firstChild())
if ( it->nextSibling() )
it = it->nextSibling();
else
it = it->firstChild();
}
insertmarker = itemRect (it ? it : after);
level = after->depth();
}
else if (parent)
{
insertmarker = itemRect (parent);
level = parent->depth() + 1;
}
insertmarker.setLeft( treeStepSize() * ( level + (rootIsDecorated() ? 1 : 0) ) + itemMargin() );
insertmarker.setRight (viewport()->width());
insertmarker.setTop (insertmarker.bottom() - d->mDropVisualizerWidth/2 + 1);
insertmarker.setBottom (insertmarker.bottom() + d->mDropVisualizerWidth/2);
}
// This is not used anymore, at least by TDEListView itself (see viewportPaintEvent)
// Remove for KDE 4.0.
if (p)
p->fillRect(insertmarker, Dense4Pattern);
return insertmarker;
}
TQRect TDEListView::drawItemHighlighter(TQPainter *painter, TQListViewItem *item)
{
TQRect r;
if (item)
{
r = itemRect(item);
r.setLeft(r.left()+(item->depth()+(rootIsDecorated() ? 1 : 0))*treeStepSize());
if (painter)
style().tqdrawPrimitive(TQStyle::PE_FocusRect, painter, r, colorGroup(),
TQStyle::Style_FocusAtBorder, colorGroup().highlight());
}
return r;
}
void TDEListView::cleanItemHighlighter ()
{
if (d->mOldDropHighlighter.isValid())
{
TQRect rect=d->mOldDropHighlighter;
d->mOldDropHighlighter = TQRect();
viewport()->repaint(rect, true);
}
}
void TDEListView::rename(TQListViewItem *item, int c)
{
if (d->renameable.contains(c))
{
ensureItemVisible(item);
d->editor->load(item,c);
}
}
bool TDEListView::isRenameable (int col) const
{
return d->renameable.contains(col);
}
void TDEListView::setRenameable (int col, bool renameable)
{
if (col>=header()->count()) return;
d->renameable.remove(col);
if (renameable)
d->renameable+=col;
}
void TDEListView::doneEditing(TQListViewItem *item, int row)
{
emit itemRenamed(item, item->text(row), row);
emit itemRenamed(item);
}
bool TDEListView::acceptDrag(TQDropEvent* e) const
{
return acceptDrops() && itemsMovable() && (e->source()==viewport());
}
void TDEListView::setCreateChildren(bool b)
{
d->createChildren=b;
}
bool TDEListView::createChildren() const
{
return d->createChildren;
}
int TDEListView::tooltipColumn() const
{
return d->tooltipColumn;
}
void TDEListView::setTooltipColumn(int column)
{
d->tooltipColumn=column;
}
void TDEListView::setDropHighlighter(bool b)
{
d->dropHighlighter=b;
}
bool TDEListView::dropHighlighter() const
{
return d->dropHighlighter;
}
bool TDEListView::showTooltip(TQListViewItem *item, const TQPoint &, int column) const
{
return ((column==tooltipColumn()) && !tooltip(item, column).isEmpty());
}
TQString TDEListView::tooltip(TQListViewItem *item, int column) const
{
return item->text(column);
}
void TDEListView::setTabOrderedRenaming(bool b)
{
d->tabRename = b;
}
bool TDEListView::tabOrderedRenaming() const
{
return d->tabRename;
}
void TDEListView::keyPressEvent (TQKeyEvent* e)
{
//don't we need a contextMenuModifier too ? (aleXXX)
if (e->key() == d->contextMenuKey)
{
emit menuShortCutPressed (this, currentItem());
return;
}
if (d->selectionMode != FileManager)
TQListView::keyPressEvent (e);
else
fileManagerKeyPressEvent (e);
}
void TDEListView::activateAutomaticSelection()
{
d->selectedBySimpleMove=true;
d->selectedUsingMouse=false;
if (currentItem())
{
currentItem()->setSelected(true);
currentItem()->repaint();
emit selectionChanged();
};
}
void TDEListView::deactivateAutomaticSelection()
{
d->selectedBySimpleMove=false;
}
bool TDEListView::automaticSelection() const
{
return d->selectedBySimpleMove;
}
void TDEListView::fileManagerKeyPressEvent (TQKeyEvent* e)
{
//don't care whether it's on the keypad or not
int e_state=(e->state() & ~Keypad);
int oldSelectionDirection(d->selectionDirection);
if ((e->key()!=Key_Shift) && (e->key()!=Key_Control)
&& (e->key()!=Key_Meta) && (e->key()!=Key_Alt))
{
if ((e_state==ShiftButton) && (!d->wasShiftEvent) && (!d->selectedBySimpleMove))
selectAll(false);
d->selectionDirection=0;
d->wasShiftEvent = (e_state == ShiftButton);
};
//d->wasShiftEvent = (e_state == ShiftButton);
TQListViewItem* item = currentItem();
if (!item) return;
TQListViewItem* repaintItem1 = item;
TQListViewItem* repaintItem2 = 0L;
TQListViewItem* visItem = 0L;
TQListViewItem* nextItem = 0L;
int items = 0;
bool shiftOrCtrl((e_state==ControlButton) || (e_state==ShiftButton));
int selectedItems(0);
for (TQListViewItem *tmpItem=firstChild(); tmpItem; tmpItem=tmpItem->nextSibling())
if (tmpItem->isSelected()) selectedItems++;
if (((!selectedItems) || ((selectedItems==1) && (d->selectedUsingMouse)))
&& (e_state==Qt::NoButton)
&& ((e->key()==Key_Down)
|| (e->key()==Key_Up)
|| (e->key()==Key_Next)
|| (e->key()==Key_Prior)
|| (e->key()==Key_Home)
|| (e->key()==Key_End)))
{
d->selectedBySimpleMove=true;
d->selectedUsingMouse=false;
}
else if (selectedItems>1)
d->selectedBySimpleMove=false;
bool emitSelectionChanged(false);
switch (e->key())
{
case Key_Escape:
selectAll(false);
emitSelectionChanged=true;
break;
case Key_Space:
//toggle selection of current item
if (d->selectedBySimpleMove)
d->selectedBySimpleMove=false;
item->setSelected(!item->isSelected());
emitSelectionChanged=true;
break;
case Key_Insert:
//toggle selection of current item and move to the next item
if (d->selectedBySimpleMove)
{
d->selectedBySimpleMove=false;
if (!item->isSelected()) item->setSelected(true);
}
else
{
item->setSelected(!item->isSelected());
};
nextItem=item->itemBelow();
if (nextItem)
{
repaintItem2=nextItem;
visItem=nextItem;
setCurrentItem(nextItem);
};
d->selectionDirection=1;
emitSelectionChanged=true;
break;
case Key_Down:
nextItem=item->itemBelow();
//toggle selection of current item and move to the next item
if (shiftOrCtrl)
{
d->selectionDirection=1;
if (d->selectedBySimpleMove)
d->selectedBySimpleMove=false;
else
{
if (oldSelectionDirection!=-1)
{
item->setSelected(!item->isSelected());
emitSelectionChanged=true;
};
};
}
else if ((d->selectedBySimpleMove) && (nextItem))
{
item->setSelected(false);
emitSelectionChanged=true;
};
if (nextItem)
{
if (d->selectedBySimpleMove)
nextItem->setSelected(true);
repaintItem2=nextItem;
visItem=nextItem;
setCurrentItem(nextItem);
};
break;
case Key_Up:
nextItem=item->itemAbove();
d->selectionDirection=-1;
//move to the prev. item and toggle selection of this one
// => No, can't select the last item, with this. For symmetry, let's
// toggle selection and THEN move up, just like we do in down (David)
if (shiftOrCtrl)
{
if (d->selectedBySimpleMove)
d->selectedBySimpleMove=false;
else
{
if (oldSelectionDirection!=1)
{
item->setSelected(!item->isSelected());
emitSelectionChanged=true;
};
}
}
else if ((d->selectedBySimpleMove) && (nextItem))
{
item->setSelected(false);
emitSelectionChanged=true;
};
if (nextItem)
{
if (d->selectedBySimpleMove)
nextItem->setSelected(true);
repaintItem2=nextItem;
visItem=nextItem;
setCurrentItem(nextItem);
};
break;
case Key_End:
//move to the last item and toggle selection of all items inbetween
nextItem=item;
if (d->selectedBySimpleMove)
item->setSelected(false);
if (shiftOrCtrl)
d->selectedBySimpleMove=false;
while(nextItem)
{
if (shiftOrCtrl)
nextItem->setSelected(!nextItem->isSelected());
if (!nextItem->itemBelow())
{
if (d->selectedBySimpleMove)
nextItem->setSelected(true);
repaintItem2=nextItem;
visItem=nextItem;
setCurrentItem(nextItem);
}
nextItem=nextItem->itemBelow();
}
emitSelectionChanged=true;
break;
case Key_Home:
// move to the first item and toggle selection of all items inbetween
nextItem = firstChild();
visItem = nextItem;
repaintItem2 = visItem;
if (d->selectedBySimpleMove)
item->setSelected(false);
if (shiftOrCtrl)
{
d->selectedBySimpleMove=false;
while ( nextItem != item )
{
nextItem->setSelected( !nextItem->isSelected() );
nextItem = nextItem->itemBelow();
}
item->setSelected( !item->isSelected() );
}
setCurrentItem( firstChild() );
emitSelectionChanged=true;
break;
case Key_Next:
items=visibleHeight()/item->height();
nextItem=item;
if (d->selectedBySimpleMove)
item->setSelected(false);
if (shiftOrCtrl)
{
d->selectedBySimpleMove=false;
d->selectionDirection=1;
};
for (int i=0; i<items; i++)
{
if (shiftOrCtrl)
nextItem->setSelected(!nextItem->isSelected());
//the end
if ((i==items-1) || (!nextItem->itemBelow()))
{
if (shiftOrCtrl)
nextItem->setSelected(!nextItem->isSelected());
if (d->selectedBySimpleMove)
nextItem->setSelected(true);
ensureItemVisible(nextItem);
setCurrentItem(nextItem);
update();
if ((shiftOrCtrl) || (d->selectedBySimpleMove))
{
emit selectionChanged();
}
return;
}
nextItem=nextItem->itemBelow();
}
break;
case Key_Prior:
items=visibleHeight()/item->height();
nextItem=item;
if (d->selectedBySimpleMove)
item->setSelected(false);
if (shiftOrCtrl)
{
d->selectionDirection=-1;
d->selectedBySimpleMove=false;
};
for (int i=0; i<items; i++)
{
if ((nextItem!=item) &&(shiftOrCtrl))
nextItem->setSelected(!nextItem->isSelected());
//the end
if ((i==items-1) || (!nextItem->itemAbove()))
{
if (d->selectedBySimpleMove)
nextItem->setSelected(true);
ensureItemVisible(nextItem);
setCurrentItem(nextItem);
update();
if ((shiftOrCtrl) || (d->selectedBySimpleMove))
{
emit selectionChanged();
}
return;
}
nextItem=nextItem->itemAbove();
}
break;
case Key_Minus:
if ( item->isOpen() )
setOpen( item, false );
break;
case Key_Plus:
if ( !item->isOpen() && (item->isExpandable() || item->childCount()) )
setOpen( item, true );
break;
default:
bool realKey = ((e->key()!=Key_Shift) && (e->key()!=Key_Control)
&& (e->key()!=Key_Meta) && (e->key()!=Key_Alt));
bool selectCurrentItem = (d->selectedBySimpleMove) && (item->isSelected());
if (realKey && selectCurrentItem)
item->setSelected(false);
//this is mainly for the "goto filename beginning with pressed char" feature (aleXXX)
TQListView::SelectionMode oldSelectionMode = selectionMode();
setSelectionMode (TQListView::Multi);
TQListView::keyPressEvent (e);
setSelectionMode (oldSelectionMode);
if (realKey && selectCurrentItem)
{
currentItem()->setSelected(true);
emitSelectionChanged=true;
}
repaintItem2=currentItem();
if (realKey)
visItem=currentItem();
break;
}
if (visItem)
ensureItemVisible(visItem);
TQRect ir;
if (repaintItem1)
ir = ir.unite( itemRect(repaintItem1) );
if (repaintItem2)
ir = ir.unite( itemRect(repaintItem2) );
if ( !ir.isEmpty() )
{ // rectangle to be repainted
if ( ir.x() < 0 )
ir.moveBy( -ir.x(), 0 );
viewport()->repaint( ir, false );
}
/*if (repaintItem1)
repaintItem1->repaint();
if (repaintItem2)
repaintItem2->repaint();*/
update();
if (emitSelectionChanged)
emit selectionChanged();
}
void TDEListView::setSelectionModeExt (SelectionModeExt mode)
{
d->selectionMode = mode;
switch (mode)
{
case Single:
case Multi:
case Extended:
case NoSelection:
setSelectionMode (static_cast<TQListView::SelectionMode>(static_cast<int>(mode)));
break;
case FileManager:
setSelectionMode (TQListView::Extended);
break;
default:
kdWarning () << "Warning: illegal selection mode " << int(mode) << " set!" << endl;
break;
}
}
TDEListView::SelectionModeExt TDEListView::selectionModeExt () const
{
return d->selectionMode;
}
int TDEListView::itemIndex( const TQListViewItem *item ) const
{
if ( !item )
return -1;
if ( item == firstChild() )
return 0;
else {
TQListViewItemIterator it(firstChild());
uint j = 0;
for (; it.current() && it.current() != item; ++it, ++j );
if( !it.current() )
return -1;
return j;
}
}
TQListViewItem* TDEListView::itemAtIndex(int index)
{
if (index<0)
return 0;
int j(0);
for (TQListViewItemIterator it=firstChild(); it.current(); ++it)
{
if (j==index)
return it.current();
++j;
};
return 0;
}
void TDEListView::emitContextMenu (TDEListView*, TQListViewItem* i)
{
TQPoint p;
if (i)
p = viewport()->mapToGlobal(itemRect(i).center());
else
p = mapToGlobal(rect().center());
emit contextMenu (this, i, p);
}
void TDEListView::emitContextMenu (TQListViewItem* i, const TQPoint& p, int)
{
emit contextMenu (this, i, p);
}
void TDEListView::setAcceptDrops (bool val)
{
TQListView::setAcceptDrops (val);
viewport()->setAcceptDrops (val);
}
int TDEListView::dropVisualizerWidth () const
{
return d->mDropVisualizerWidth;
}
void TDEListView::viewportPaintEvent(TQPaintEvent *e)
{
d->paintAbove = 0;
d->paintCurrent = 0;
d->paintBelow = 0;
d->painting = true;
TQListView::viewportPaintEvent(e);
if (d->mOldDropVisualizer.isValid() && e->rect().intersects(d->mOldDropVisualizer))
{
TQPainter painter(viewport());
// This is where we actually draw the drop-visualizer
painter.fillRect(d->mOldDropVisualizer, Dense4Pattern);
}
if (d->mOldDropHighlighter.isValid() && e->rect().intersects(d->mOldDropHighlighter))
{
TQPainter painter(viewport());
// This is where we actually draw the drop-highlighter
style().tqdrawPrimitive(TQStyle::PE_FocusRect, &painter, d->mOldDropHighlighter, colorGroup(),
TQStyle::Style_FocusAtBorder);
}
d->painting = false;
}
void TDEListView::setFullWidth()
{
setFullWidth(true);
}
void TDEListView::setFullWidth(bool fullWidth)
{
d->fullWidth = fullWidth;
header()->setStretchEnabled(fullWidth, columns()-1);
}
bool TDEListView::fullWidth() const
{
return d->fullWidth;
}
int TDEListView::addColumn(const TQString& label, int width)
{
int result = TQListView::addColumn(label, width);
if (d->fullWidth) {
header()->setStretchEnabled(false, columns()-2);
header()->setStretchEnabled(true, columns()-1);
}
return result;
}
int TDEListView::addColumn(const TQIconSet& iconset, const TQString& label, int width)
{
int result = TQListView::addColumn(iconset, label, width);
if (d->fullWidth) {
header()->setStretchEnabled(false, columns()-2);
header()->setStretchEnabled(true, columns()-1);
}
return result;
}
void TDEListView::removeColumn(int index)
{
TQListView::removeColumn(index);
if (d->fullWidth && index == columns()) header()->setStretchEnabled(true, columns()-1);
}
void TDEListView::viewportResizeEvent(TQResizeEvent* e)
{
TQListView::viewportResizeEvent(e);
}
const TQColor &TDEListView::alternateBackground() const
{
return d->alternateBackground;
}
void TDEListView::setAlternateBackground(const TQColor &c)
{
d->alternateBackground = c;
repaint();
}
void TDEListView::setShadeSortColumn(bool shadeSortColumn)
{
d->shadeSortColumn = shadeSortColumn;
repaint();
}
bool TDEListView::shadeSortColumn() const
{
return d->shadeSortColumn;
}
void TDEListView::saveLayout(TDEConfig *config, const TQString &group) const
{
TDEConfigGroupSaver saver(config, group);
TQStringList widths, order;
const int colCount = columns();
TQHeader* const thisHeader = header();
for (int i = 0; i < colCount; ++i)
{
widths << TQString::number(columnWidth(i));
order << TQString::number(thisHeader->mapToIndex(i));
}
config->writeEntry("ColumnWidths", widths);
config->writeEntry("ColumnOrder", order);
config->writeEntry("SortColumn", d->sortColumn);
config->writeEntry("SortAscending", d->sortAscending);
}
void TDEListView::restoreLayout(TDEConfig *config, const TQString &group)
{
TDEConfigGroupSaver saver(config, group);
TQStringList cols = config->readListEntry("ColumnWidths");
int i = 0;
{ // scope the iterators
TQStringList::ConstIterator it = cols.constBegin();
const TQStringList::ConstIterator itEnd = cols.constEnd();
for (; it != itEnd; ++it)
setColumnWidth(i++, (*it).toInt());
}
// move sections in the correct sequence: from lowest to highest index position
// otherwise we move a section from an index, which modifies
// all index numbers to the right of the moved one
cols = config->readListEntry("ColumnOrder");
const int colCount = columns();
for (i = 0; i < colCount; ++i) // final index positions from lowest to highest
{
TQStringList::ConstIterator it = cols.constBegin();
const TQStringList::ConstIterator itEnd = cols.constEnd();
int section = 0;
for (; (it != itEnd) && ((*it).toInt() != i); ++it, ++section) ;
if ( it != itEnd ) {
// found the section to move to position i
header()->moveSection(section, i);
}
}
if (config->hasKey("SortColumn"))
setSorting(config->readNumEntry("SortColumn"), config->readBoolEntry("SortAscending", true));
}
void TDEListView::setSorting(int column, bool ascending)
{
TQListViewItem *selected = 0;
if (selectionMode() == TQListView::Single) {
selected = selectedItem();
if (selected && !selected->isVisible())
selected = 0;
}
else if (selectionMode() != TQListView::NoSelection) {
TQListViewItem *item = firstChild();
while (item && !selected) {
if (item->isSelected() && item->isVisible())
selected = item;
item = item->itemBelow();
}
}
d->sortColumn = column;
d->sortAscending = ascending;
TQListView::setSorting(column, ascending);
if (selected)
ensureItemVisible(selected);
TQListViewItem* item = firstChild();
while ( item ) {
TDEListViewItem *kItem = dynamic_cast<TDEListViewItem*>(item);
if (kItem) kItem->m_known = false;
item = item->itemBelow();
}
}
int TDEListView::columnSorted(void) const
{
return d->sortColumn;
}
bool TDEListView::ascendingSort(void) const
{
return d->sortAscending;
}
void TDEListView::takeItem(TQListViewItem *item)
{
if(item && item == d->editor->currentItem())
d->editor->terminate();
TQListView::takeItem(item);
}
void TDEListView::disableAutoSelection()
{
if ( d->disableAutoSelection )
return;
d->disableAutoSelection = true;
d->autoSelect.stop();
d->autoSelectDelay = -1;
}
void TDEListView::resetAutoSelection()
{
if ( !d->disableAutoSelection )
return;
d->disableAutoSelection = false;
d->autoSelectDelay = TDEGlobalSettings::autoSelectDelay();
}
void TDEListView::doubleClicked( TQListViewItem *item, const TQPoint &pos, int c )
{
emit TQListView::doubleClicked( item, pos, c );
}
TDEListViewItem::TDEListViewItem(TQListView *parent)
: TQListViewItem(parent)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListViewItem *parent)
: TQListViewItem(parent)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListView *parent, TQListViewItem *after)
: TQListViewItem(parent, after)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListViewItem *parent, TQListViewItem *after)
: TQListViewItem(parent, after)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListView *parent,
TQString label1, TQString label2, TQString label3, TQString label4,
TQString label5, TQString label6, TQString label7, TQString label8)
: TQListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListViewItem *parent,
TQString label1, TQString label2, TQString label3, TQString label4,
TQString label5, TQString label6, TQString label7, TQString label8)
: TQListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListView *parent, TQListViewItem *after,
TQString label1, TQString label2, TQString label3, TQString label4,
TQString label5, TQString label6, TQString label7, TQString label8)
: TQListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
TDEListViewItem::TDEListViewItem(TQListViewItem *parent, TQListViewItem *after,
TQString label1, TQString label2, TQString label3, TQString label4,
TQString label5, TQString label6, TQString label7, TQString label8)
: TQListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
TDEListViewItem::~TDEListViewItem()
{
if(listView())
emit static_cast<TDEListView *>(listView())->itemRemoved(this);
}
void TDEListViewItem::init()
{
m_odd = m_known = false;
TDEListView *lv = static_cast<TDEListView *>(listView());
setDragEnabled( dragEnabled() || lv->dragEnabled() );
emit lv->itemAdded(this);
}
void TDEListViewItem::insertItem(TQListViewItem *item)
{
TQListViewItem::insertItem(item);
if(listView())
emit static_cast<TDEListView *>(listView())->itemAdded(item);
}
void TDEListViewItem::takeItem(TQListViewItem *item)
{
TQListViewItem::takeItem(item);
if(listView())
emit static_cast<TDEListView *>(listView())->itemRemoved(item);
}
const TQColor &TDEListViewItem::backgroundColor()
{
if (isAlternate())
return static_cast< TDEListView* >(listView())->alternateBackground();
return listView()->viewport()->colorGroup().base();
}
TQColor TDEListViewItem::backgroundColor(int column)
{
TDEListView* view = static_cast< TDEListView* >(listView());
TQColor color = isAlternate() ?
view->alternateBackground() :
view->viewport()->colorGroup().base();
// calculate a different color if the current column is sorted (only if more than 1 column)
if ( (view->columns() > 1) && view->shadeSortColumn() && (column == view->columnSorted()) )
{
if ( color == Qt::black )
color = TQColor(55, 55, 55); // dark gray
else
{
int h,s,v;
color.hsv(&h, &s, &v);
if ( v > 175 )
color = color.dark(104);
else
color = color.light(120);
}
}
return color;
}
bool TDEListViewItem::isAlternate()
{
TDEListView* const lv = static_cast<TDEListView *>(listView());
if (lv && lv->alternateBackground().isValid())
{
TDEListViewItem *above;
TDEListView::TDEListViewPrivate* const lvD = lv->d;
// Ok, there's some weirdness here that requires explanation as this is a
// speed hack. itemAbove() is a O(n) operation (though this isn't
// immediately clear) so we want to call it as infrequently as possible --
// especially in the case of painting a cell.
//
// So, in the case that we *are* painting a cell: (1) we're assuming that
// said painting is happening top to bottem -- this assumption is present
// elsewhere in the implementation of this class, (2) itemBelow() is fast --
// roughly constant time.
//
// Given these assumptions we can do a mixture of caching and telling the
// next item that the when that item is the current item that the now
// current item will be the item above it.
//
// Ideally this will make checking to see if the item above the current item
// is the alternate color a constant time operation rather than 0(n).
if (lvD->painting) {
if (lvD->paintCurrent != this)
{
lvD->paintAbove = lvD->paintBelow == this ? lvD->paintCurrent : itemAbove();
lvD->paintCurrent = this;
lvD->paintBelow = itemBelow();
}
above = dynamic_cast<TDEListViewItem *>(lvD->paintAbove);
}
else
{
above = dynamic_cast<TDEListViewItem *>(itemAbove());
}
m_known = above ? above->m_known : true;
if (m_known)
{
m_odd = above ? !above->m_odd : false;
}
else
{
TDEListViewItem *item;
bool previous = true;
if (parent())
{
item = dynamic_cast<TDEListViewItem *>(parent());
if (item)
previous = item->m_odd;
item = dynamic_cast<TDEListViewItem *>(parent()->firstChild());
}
else
{
item = dynamic_cast<TDEListViewItem *>(lv->firstChild());
}
while(item)
{
previous = !previous;
item->m_odd = previous;
item->m_known = true;
item = dynamic_cast<TDEListViewItem *>(item->nextSibling());
}
}
return m_odd;
}
return false;
}
void TDEListViewItem::paintCell(TQPainter *p, const TQColorGroup &cg, int column, int width, int alignment)
{
TQColorGroup _cg = cg;
TQListView* lv = listView();
const TQPixmap *pm = lv->viewport()->backgroundPixmap();
if (pm && !pm->isNull())
{
_cg.setBrush(TQColorGroup::Base, TQBrush(backgroundColor(column), *pm));
TQPoint o = p->brushOrigin();
p->setBrushOrigin( o.x()-lv->contentsX(), o.y()-lv->contentsY() );
}
else
{
_cg.setColor((lv->viewport()->backgroundMode() == TQt::FixedColor) ?
TQColorGroup::Background : TQColorGroup::Base,
backgroundColor(column));
}
TQListViewItem::paintCell(p, _cg, column, width, alignment);
}
/*!
If \a select is TRUE, all the items get selected; otherwise all
the items get unselected. This only works in the selection modes \c
Multi and \c Extended. In \c Single and \c NoSelection mode the
selection of the current item is just set to \a select.
*/
void TDEListView::selectAll( bool select )
{
if ( selectionMode() == Multi || selectionMode() == Extended ) {
bool b = signalsBlocked();
blockSignals( TRUE );
bool anything = FALSE;
TQListViewItemIterator it( this );
while ( it.current() ) {
TQListViewItem *i = it.current();
if ( select == TRUE ) {
if ( (bool)i->isVisible() == TRUE ) {
i->setSelected( TRUE );
anything = TRUE;
}
if ( (bool)i->isVisible() == FALSE ) {
i->setSelected( FALSE );
anything = TRUE;
}
}
else {
if ( (bool)i->isSelected() != select ) {
i->setSelected( select );
anything = TRUE;
}
}
++it;
}
blockSignals( b );
if ( anything ) {
emit selectionChanged();
// d->useDoubleBuffer = TRUE;
triggerUpdate();
}
} else if ( currentItem() ) {
TQListViewItem * i = currentItem();
setSelected( i, select );
}
}
void TDEListView::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
#include "tdelistview.moc"
#include "tdelistviewlineedit.moc"
// vim: noet
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