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#ifndef PathEditor_p_h
#define PathEditor_p_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Counter.h"
#include "Debug.h"
#include "File.h"
#include <QEvent>
#include <QList>
#include <QAbstractButton>
#include <QPaintEvent>
#include <QPainter>
class DragMonitor;
namespace Private
{
//* path editor button
class PathEditorButton: public QAbstractButton
{
Q_OBJECT
public:
//* constructor
explicit PathEditorButton( QWidget* parent ):
QAbstractButton( parent )
{
Debug::Throw( "PathEditorItem::PathEditorItem.\n" );
setAttribute( Qt::WA_Hover );
setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
setMinimumHeight(parent->minimumHeight());
}
//* some styles require an item view passed to painting method to have proper selection rendered in items
void setItemView( QWidget* widget )
{ itemView_ = widget; }
//* set mouse over manualy
void setMouseOver( bool value )
{ mouseOver_ = value; }
//* border width
static const qreal BorderWidth;
protected:
//* event
bool event( QEvent* ) override;
//* item view
QWidget* _itemView() const
{ return itemView_; }
//* true if mouse over
bool _mouseOver() const
{ return mouseOver_; }
private:
//* some styles require an item view passed to painting method to have proper selection rendered in items
QWidget* itemView_ = nullptr;
//* mouse over
bool mouseOver_ = false;
};
//* path item
class PathEditorItem: public PathEditorButton, private Base::Counter<PathEditorItem>
{
Q_OBJECT
public:
//* constructor
explicit PathEditorItem( QWidget* );
//*@name accessors
//@{
//* is selectable
bool isSelectable() const
{ return isSelectable_; }
//* is last
bool isLast() const
{ return isLast_; }
//* path
const File& path() const
{ return path_; }
//* size hint
QSize sizeHint() const override
{ return minimumSize() + QSize( 4*BorderWidth, 0 ); }
//* drag monitor
DragMonitor& dragMonitor() const
{ return *dragMonitor_; }
//@}
//*@name modifiers
//@{
//* set prefix
void setPrefix( const QString& value )
{ prefix_ = value; }
//* set local flag
void setIsLocal( bool value )
{ isLocal_ = value; }
//* set selectable flag
void setIsSelectable( bool value )
{
if( isSelectable_ == value ) return;
isSelectable_ = value;
update();
}
//* set is last
void setIsLast( bool value )
{
if( isLast_ == value ) return;
isLast_ = value;
updateMinimumSize();
update();
}
//* set path
void setPath( const File&, const QString& = QString() );
//@}
//* update minimum width
void updateMinimumSize();
//* shortcuts
using List = QList<PathEditorItem*>;
using ListIterator = QListIterator<PathEditorItem*>;
protected:
//* paint event
void paintEvent( QPaintEvent* ) override;
//* paint
void _paint( QPainter* );
//* arrow width
int _arrowWidth() const
{ return isLast_ ? 0:qMax<int>( 4, fontMetrics().boundingRect(text()).height()/2 + BorderWidth ); }
protected Q_SLOTS:
//* start drag
void _startDrag( QPoint );
private:
//* path
File path_;
//* prefix
QString prefix_;
//* true if path is in local file system
bool isLocal_ = true;
//* true if selectable
bool isSelectable_ = true;
//* true if last
bool isLast_ = false;
//* drag monitor
DragMonitor* dragMonitor_ = nullptr;
};
//* path editor menu button
class PathEditorMenuButton: public PathEditorButton, private Base::Counter<PathEditorMenuButton>
{
Q_OBJECT
public:
//* constructor
explicit PathEditorMenuButton( QWidget* parent ):
PathEditorButton( parent ),
Counter( "PathEditorMenuButton" )
{
Debug::Throw( "PathEditorMenuButton::PathEditorMenuButton.\n" );
setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
updateMinimumSize();
}
// minimum size
void updateMinimumSize();
protected:
//* paint event
void paintEvent( QPaintEvent* ) override;
};
//* path editor switch. Toggle path editor to combobox
class PathEditorSwitch: public PathEditorButton, private Base::Counter<PathEditorSwitch>
{
Q_OBJECT
public:
//* constructor
explicit PathEditorSwitch( QWidget* parent ):
PathEditorButton( parent ),
Counter( "PathEditorSwitch" )
{
Debug::Throw( "PathEditorItem::PathEditorItem.\n" );
setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
setCursor( Qt::IBeamCursor );
}
protected:
//* paint event
void paintEvent( QPaintEvent* ) override;
};
}
#endif
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