| -rw-r--r-- | libopie2/opieui/olistview.cpp | 153 | ||||
| -rw-r--r-- | libopie2/opieui/olistview.h | 65 |
2 files changed, 210 insertions, 8 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp index 84617f8..0ee2fde 100644 --- a/libopie2/opieui/olistview.cpp +++ b/libopie2/opieui/olistview.cpp @@ -1,67 +1,67 @@ /* This file is part of the Opie Project - =. (C) 2003 Michael 'Mickey' Lauer <mickey@Vanille.de> + =. (C) 2003-2004 Michael 'Mickey' Lauer <mickey@Vanille.de> .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. 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 ..}^=.= = ; 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* QT */ #include <qpixmap.h> /* OPIE */ #include <opie2/odebug.h> #include <opie2/olistview.h> /*====================================================================================== * OListView *======================================================================================*/ OListView::OListView( QWidget *parent, const char *name ) :QListView( parent, name ) { //FIXME: get from global settings and calculate ==> see oglobalsettings.* m_alternateBackground = QColor( 238, 246, 255 ); m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine ); m_fullWidth = true; connect( this, SIGNAL(expanded(QListViewItem*)), SLOT(expand(QListViewItem*))); } OListView::~OListView() { } void OListView::setFullWidth( bool fullWidth ) { m_fullWidth = m_fullWidth; #if QT_VERSION > 290 header()->setStretchEnabled( fullWidth, columns()-1 ); #endif } bool OListView::fullWidth() const { @@ -113,154 +113,178 @@ void OListView::setAlternateBackground( const QColor &c ) m_alternateBackground = c; repaint(); } const QPen& OListView::columnSeparator() const { return m_columnSeparator; } void OListView::setColumnSeparator( const QPen& p ) { m_columnSeparator = p; repaint(); } void OListView::expand(QListViewItem *item) { ((OListViewItem*)item)->expand(); } OListViewItem* OListView::childFactory() { return new OListViewItem( this ); } #ifndef QT_NO_DATASTREAM void OListView::serializeTo( QDataStream& s ) const { #warning Caution... the binary format is still under construction... odebug << "storing OListView..." << oendl; // store number of columns and the labels s << columns(); for ( int i = 0; i < columns(); ++i ) s << columnText( i ); // calculate the number of top-level items to serialize int items = 0; QListViewItem* item = firstChild(); while ( item ) { item = item->nextSibling(); items++; } // store number of items and the items itself s << items; item = firstChild(); for ( int i = 0; i < items; ++i ) { s << *static_cast<OListViewItem*>( item ); item = item->nextSibling(); } odebug << "OListview stored." << oendl; } void OListView::serializeFrom( QDataStream& s ) { #warning Caution... the binary format is still under construction... odebug << "loading OListView..." << oendl; int cols; s >> cols; - qDebug( "read number of columns = %d", cols ); + odebug << "read number of columns = " << cols << oendl; while ( columns() < cols ) addColumn( QString::null ); for ( int i = 0; i < cols; ++i ) { QString coltext; s >> coltext; qDebug( "read text '%s' for column %d", (const char*) coltext, i ); setColumnText( i, coltext ); } int items; s >> items; - qDebug( "read number of items = %d", items ); + odebug << "read number of items = " << items << oendl; for ( int i = 0; i < items; ++i ) { OListViewItem* item = childFactory(); s >> *item; } odebug << "OListView loaded." << oendl; } + +void OListView::expand() +{ + odebug << "OListView::expand" << oendl; + + QListViewItemIterator it( this ); + while ( it.current() ) { + it.current()->setOpen( true ); + ++it; + } +} + + +void OListView::collapse() +{ + odebug << "OListView::collapse" << oendl; + QListViewItemIterator it( this ); + while ( it.current() ) { + it.current()->setOpen( false ); + ++it; + } +} + + QDataStream& operator<<( QDataStream& s, const OListView& lv ) { lv.serializeTo( s ); } QDataStream& operator>>( QDataStream& s, OListView& lv ) { lv.serializeFrom( s ); } #endif // QT_NO_DATASTREAM /*====================================================================================== * OListViewItem *======================================================================================*/ OListViewItem::OListViewItem(QListView *parent) : QListViewItem(parent) { init(); } OListViewItem::OListViewItem(QListViewItem *parent) : QListViewItem(parent) { init(); } OListViewItem::OListViewItem(QListView *parent, QListViewItem *after) : QListViewItem(parent, after) { init(); } OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after) : QListViewItem(parent, after) { init(); } OListViewItem::OListViewItem(QListView *parent, QString label1, QString label2, QString label3, QString label4, QString label5, QString label6, QString label7, QString label8) : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8) { init(); } OListViewItem::OListViewItem(QListViewItem *parent, QString label1, QString label2, QString label3, QString label4, QString label5, QString label6, QString label7, QString label8) : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8) { init(); } OListViewItem::OListViewItem(QListView *parent, QListViewItem *after, QString label1, QString label2, QString label3, QString label4, QString label5, QString label6, QString label7, QString label8) @@ -384,128 +408,251 @@ void OListViewItem::serializeTo( QDataStream& s ) const // calculate the number of children to serialize int items = 0; QListViewItem* item = firstChild(); while ( item ) { item = item->nextSibling(); items++; } // store number of items and the items itself s << items; item = firstChild(); for ( int i = 0; i < items; ++i ) { s << *static_cast<OListViewItem*>( item ); item = item->nextSibling(); } odebug << "OListviewItem stored." << oendl; } void OListViewItem::serializeFrom( QDataStream& s ) { #warning Caution... the binary format is still under construction... odebug << "loading OListViewItem..." << oendl; for ( int i = 0; i < listView()->columns(); ++i ) { QString coltext; s >> coltext; qDebug( "read text '%s' for column %d", (const char*) coltext, i ); setText( i, coltext ); } int items; s >> items; qDebug( "read number of items = %d", items ); for ( int i = 0; i < items; ++i ) { OListViewItem* item = childFactory(); s >> (*item); } odebug << "OListViewItem loaded." << oendl; } QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi ) { lvi.serializeTo( s ); } QDataStream& operator>>( QDataStream& s, OListViewItem& lvi ) { lvi.serializeFrom( s ); } #endif // QT_NO_DATASTREAM /*====================================================================================== + * OCheckListItem + *======================================================================================*/ + +OCheckListItem::OCheckListItem( QCheckListItem* parent, const QString& text, Type t ) + :QCheckListItem( parent, text, t ) +{ + init(); +} + + +OCheckListItem::OCheckListItem( QListViewItem* parent, const QString& text, Type t) + :QCheckListItem( parent, text, t ) +{ + init(); +} + + +OCheckListItem::OCheckListItem( QListView* parent, const QString& text, Type t ) + :QCheckListItem( parent, text, t ) +{ + init(); +} + + +OCheckListItem::OCheckListItem( QListViewItem* parent, const QString& text, const QPixmap& p ) + :QCheckListItem( parent, text, p ) +{ + init(); +} + + +OCheckListItem::OCheckListItem( QListView* parent, const QString& text, const QPixmap& p ) + :QCheckListItem( parent, text, p ) +{ + init(); +} + + +OCheckListItem::~OCheckListItem() +{ +} + +void OCheckListItem::init() +{ + m_known = false; +} + + +const QColor &OCheckListItem::backgroundColor() +{ + return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() : + listView()->viewport()->colorGroup().base(); +} + + +bool OCheckListItem::isAlternate() +{ + OListView *lv = static_cast<OListView*>( listView() ); + + // check if the item above is an OCheckListItem + OCheckListItem *above = static_cast<OCheckListItem*>( itemAbove() ); + /*if (! itemAbove()->inherits( "OCheckListItem" )) return false;*/ + + // check if we have a valid alternate background color + if (!(lv && lv->alternateBackground().isValid())) return false; + + m_known = above ? above->m_known : true; + if (m_known) + { + m_odd = above ? !above->m_odd : false; + } + else + { + OCheckListItem *item; + bool previous = true; + if (parent()) + { + item = static_cast<OCheckListItem *>(parent()); + if ( item /*&& item->inherits( "OCheckListItem" )*/ ) previous = item->m_odd; + item = static_cast<OCheckListItem *>(parent()->firstChild()); + /* if ( !item.inherits( "OCheckListItem" ) item = 0; */ + } + else + { + item = static_cast<OCheckListItem *>(lv->firstChild()); + } + + while(item) + { + item->m_odd = previous = !previous; + item->m_known = true; + item = static_cast<OCheckListItem *>(item->nextSibling()); + /* if (!item.inherits( "OCheckListItem" ) ) break; */ + } + } + return m_odd; +} + + +void OCheckListItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment) +{ + QColorGroup _cg = cg; + const QPixmap *pm = listView()->viewport()->backgroundPixmap(); + if (pm && !pm->isNull()) + { + _cg.setBrush( QColorGroup::Base, QBrush(backgroundColor(), *pm) ); + p->setBrushOrigin( -listView()->contentsX(), -listView()->contentsY() ); + } + else if ( isAlternate() ) + { + _cg.setColor( QColorGroup::Base, static_cast<OListView*>( listView() )->alternateBackground() ); + } + QCheckListItem::paintCell( p, _cg, column, width, alignment ); + + //FIXME: Use styling here! + + const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator(); + p->setPen( pen ); + p->drawLine( width-1, 0, width-1, height() ); +} + + +/*====================================================================================== * ONamedListView *======================================================================================*/ ONamedListView::ONamedListView( QWidget *parent, const char *name ) :OListView( parent, name ) { } ONamedListView::~ONamedListView() { } void ONamedListView::addColumns( const QStringList& columns ) { for ( QStringList::ConstIterator it = columns.begin(); it != columns.end(); ++it ) { qDebug( "adding column %s", (const char*) *it ); addColumn( *it ); } } int ONamedListView::findColumn( const QString& text ) const { //FIXME: If used excessively, this will slow down performance of updates //FIXME: because of the linear search over all column texts. //FIXME: I will optimize later by using a hash map. for ( int i = 0; i < columns(); ++i ) if ( columnText( i ) == text ) return i; return -1; } ONamedListViewItem* ONamedListView::find( int column, const QString& text, int recurse ) const { return find( (ONamedListViewItem*) firstChild(), column, text, recurse ); } ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, int column, const QString& text, int recurse ) const { ONamedListViewItem* result; while ( item && item->text( column ) != text ) { qDebug( "checked %s", (const char*) item->text( column ) ); if ( recurse < 0 || recurse > 0 ) { qDebug( "recursion is %d - recursing into...", recurse ); result = find( (ONamedListViewItem*) item->firstChild(), column, text, recurse-1 ); if ( result ) return result; } item = (ONamedListViewItem*) item->itemBelow(); } if ( item && item->text( column ) == text ) return item; else return 0; } diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h index a00b43a..59b0973 100644 --- a/libopie2/opieui/olistview.h +++ b/libopie2/opieui/olistview.h @@ -1,354 +1,409 @@ /* This file is part of the Opie Project - - =. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + =. (C) 2003-2004 Michael 'Mickey' Lauer <mickey@vanille.de> .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. 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 ..}^=.= = ; 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef OLISTVIEW_H #define OLISTVIEW_H #include <qcolor.h> #include <qlistview.h> #include <qpen.h> #include <qdatastream.h> #include <qstringlist.h> class OListViewItem; /*====================================================================================== * OListView *======================================================================================*/ /** * @brief A list/tree widget. * * A @ref QListView variant featuring visual and functional enhancements * like an alternate background for odd rows, an autostretch mode * for the width of the widget ( >= Qt 3 only ) and persistence capabilities. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class OListView: public QListView { public: /** * Constructor. * * The parameters @a parent and @a name are handled by * @ref QListView, as usual. */ OListView( QWidget* parent = 0, const char* name = 0 ); /** * Destructor. */ virtual ~OListView(); /** * Let the last column fit exactly all the available width. */ void setFullWidth( bool fullWidth ); /** * Returns whether the last column is set to fit the available width. */ bool fullWidth() const; /** * Reimplemented for full width support */ virtual int addColumn( const QString& label, int width = -1 ); /** * Reimplemented for full width support */ virtual int addColumn( const QIconSet& iconset, const QString& label, int width = -1 ); /** * Reimplemented for full width support */ virtual void removeColumn(int index); /** * Set the alternate background background @a color. * Set to an invalid color to disable alternate colors. * This only has an effect if the items are OListViewItems */ void setAlternateBackground( const QColor& color ); /** * Sets the column separator @a pen. */ void setColumnSeparator( const QPen& pen ); /** * @returns the alternate background color */ const QColor& alternateBackground() const; /** * @return the column separator pen */ const QPen& columnSeparator() const; /** * Create a list view item as child of this object * @returns the new object */ virtual OListViewItem* childFactory(); #ifndef QT_NO_DATASTREAM /** * Serialize this object to @ref QDataStream @a stream */ virtual void serializeTo( QDataStream& stream ) const; /** * Serialize this object from a @ref QDataStream @a stream */ virtual void serializeFrom( QDataStream& s ); #endif + public slots: + /** + * Expand all items + */ + void expand(); + /** + * Collapse all items + */ + void collapse(); + protected slots: /** * expand the current OListViewItem */ void expand(QListViewItem*); private: QColor m_alternateBackground; bool m_fullWidth; QPen m_columnSeparator; }; #ifndef QT_NO_DATASTREAM /** * @relates OListView * Writes @a listview to the @a stream and returns a reference to the stream. */ QDataStream& operator<<( QDataStream& stream, const OListView& listview ); /** * @relates OListView * Reads @a listview from the @a stream and returns a reference to the stream. */ QDataStream& operator>>( QDataStream& stream, OListView& listview ); #endif // QT_NO_DATASTREAM /*====================================================================================== * OListViewItem *======================================================================================*/ class OListViewItem: public QListViewItem { + friend class OCheckListItem; public: /** * Constructors. */ OListViewItem( QListView * parent ); OListViewItem( QListViewItem * parent ); OListViewItem( QListView * parent, QListViewItem * after ); OListViewItem( QListViewItem * parent, QListViewItem * after ); OListViewItem( QListView * parent, QString, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null ); OListViewItem( QListViewItem * parent, QString, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null ); OListViewItem( QListView * parent, QListViewItem * after, QString, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null ); OListViewItem( QListViewItem * parent, QListViewItem * after, QString, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null, QString = QString::null ); /** * Destructor. */ virtual ~OListViewItem(); /** * @returns the background color of the list item. */ const QColor& backgroundColor(); /** * @returns true, if the item is at an odd position and * thus have to be painted with the alternate background color. */ bool isAlternate(); /** * @note: Reimplemented for internal purposes - the API is not affected * */ void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment ); /** * Perform object initialization. */ void init(); /** * create a list view item as child of this object * @returns the new object */ virtual OListViewItem* childFactory(); #ifndef QT_NO_DATASTREAM /** * serialize this object to or from a @ref QDataStream * @param s the stream used to serialize this object. */ virtual void serializeTo( QDataStream& s ) const; /** * serialize this object to or from a @ref QDataStream * @param s the stream used to serialize this object. */ virtual void serializeFrom( QDataStream& s ); #endif /** * expand the the item */ virtual void expand(){}; private: bool m_known; bool m_odd; }; #ifndef QT_NO_DATASTREAM /** * @relates QListViewItem * Writes listview @a item and all subitems recursively to @a stream * and returns a reference to the stream. */ QDataStream& operator<<( QDataStream& stream, const OListViewItem& item ); /** * @relates QListViewItem * Reads listview @a item from @a stream and returns a reference to the stream. */ QDataStream& operator>>( QDataStream& stream, OListViewItem& item ); #endif // QT_NO_DATASTREAM + +/*====================================================================================== + * OCheckListItem + *======================================================================================*/ + +class OCheckListItem : public QCheckListItem +{ + public: + + OCheckListItem( QCheckListItem *parent, const QString &text, + Type = Controller ); + OCheckListItem( QListViewItem *parent, const QString &text, + Type = Controller ); + OCheckListItem( QListView *parent, const QString &text, + Type = Controller ); + OCheckListItem( QListViewItem *parent, const QString &text, + const QPixmap & ); + OCheckListItem( QListView *parent, const QString &text, + const QPixmap & ); + ~OCheckListItem(); + /** + * @returns the background color of the list item. + */ + const QColor& backgroundColor(); + /** + * @returns true, if the item is at an odd position and + * thus have to be painted with the alternate background color. + */ + bool isAlternate(); + /** + * @note: Reimplemented for internal purposes - the API is not affected + * + */ + void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment ); + /** + * Perform object initialization. + */ + void init(); + + private: + bool m_known; + bool m_odd; +}; + + /*====================================================================================== * ONamedListView *======================================================================================*/ class ONamedListViewItem; /** * @brief An OListView variant with named columns. * * This class provides a higher-level interface to an OListView. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONamedListView: public OListView { public: /** * Constructor. * * The parameters @a parent and @a name are handled by * @ref OListView, as usual. */ ONamedListView( QWidget* parent = 0, const char* name = 0 ); /** * Destructor. */ virtual ~ONamedListView(); /** * Add a number of @a columns to the listview. */ virtual void addColumns( const QStringList& columns ); /** * @returns the column index matching to @a text or -1 if not found. */ virtual int findColumn( const QString& text ) const; /** * @returns the first item which has a @a text in column @a column. * Set @a recurse to indicate how much subchild levels to search, e.g.<ul> * <li>set it to 0 to search only among direct childs, * <li>set it to 1 to search direct childs and all 1st order subchilds * <li>set it to -1 for maximum recursion. * </ul> * @sa ONamedListViewItem::find() */ virtual ONamedListViewItem* find( ONamedListViewItem* start, int column, const QString& text, int recurse = -1 ) const; virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const; virtual ONamedListViewItem* find( ONamedListViewItem* start, const QString& column, const QString& text, int recurse = -1 ) const; virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const; }; /*====================================================================================== * ONamedListViewItem *======================================================================================*/ /** * @brief An OListView variant with named columns. * * This class provides a higher-level interface to an OListViewItem. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONamedListViewItem: public OListViewItem { public: /** * Constructor. Accepts the same parameters as a @ref OListViewItem, * plus a @ref QStringList which holds an arbitrary number of @a texts. */ ONamedListViewItem( QListView* parent, const QStringList& texts ); ONamedListViewItem( QListViewItem* parent, const QStringList& texts ); ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts ); ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts ); /** * Destructor. */ virtual ~ONamedListViewItem(); /** * Sets the text in column @a column to @a text. * This method differs from @ref QListViewItem::setText() in that it * accepts a string as column indicator instead of an int. */ virtual void setText( const QString& column, const QString& text ); /** * Sets a number of @a texts for this item. */ virtual void setText( const QStringList& texts ); /** * @returns the first child which has a @a text in column @a column. * Set @a recurse to indicate how much subchild levels to search, e.g.<ul> * <li>set it to 0 to search only among direct childs, * <li>set it to 1 to search direct childs and all 1st order subchilds * <li>set it to -1 for maximum recursion. * </ul> * @sa ONamedListView::find() */ virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const; virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const; }; #endif // OLISTVIEW_H |