libplasma
Plasma::Delegate Class Reference
#include <delegate.h>

Detailed Description
Item delegate for rendering items in Plasma menus implemented with item views.The delegate makes use of its own data roles that are: SubTitleRole: the text of the subtitle SubTitleMandatoryRole: if the subtitle is to always be displayed (as default the subtitle is displayed only on mouse over) ColumnTypeRole: if the column is a main column (with title and subtitle) or a secondary action column (only a little icon that appears on mouse over is displayed)
Definition at line 44 of file delegate.h.
Public Types | |
enum | ColumnType { MainColumn = 1, SecondaryActionColumn = 2 } |
enum | SpecificRoles { SubTitleRole = Qt::UserRole + 1, SubTitleMandatoryRole = Qt::UserRole + 2, ColumnTypeRole = Qt::UserRole + 3 } |
Public Member Functions | |
Delegate (QObject *parent=0) | |
virtual void | paint (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const |
int | roleMapping (SpecificRoles role) const |
void | setRoleMapping (SpecificRoles role, int actual) |
~Delegate () | |
Protected Member Functions | |
QRect | emptyRect (const QStyleOptionViewItem &option, const QModelIndex &index) const |
QRect | rectAfterSubTitle (const QStyleOptionViewItem &option, const QModelIndex &index) const |
QRect | rectAfterTitle (const QStyleOptionViewItem &option, const QModelIndex &index) const |
virtual QSize | sizeHint (const QStyleOptionViewItem &option, const QModelIndex &index) const |
Member Enumeration Documentation
Definition at line 49 of file delegate.h.
Constructor & Destructor Documentation
Plasma::Delegate::Delegate | ( | QObject * | parent = 0 |
) |
Definition at line 135 of file delegate.cpp.
Plasma::Delegate::~Delegate | ( | ) |
Definition at line 141 of file delegate.cpp.
Member Function Documentation
QRect Plasma::Delegate::emptyRect | ( | const QStyleOptionViewItem & | option, | |
const QModelIndex & | index | |||
) | const [protected] |
Returns the empty area after both the title and the subtitle.
The height is the height of the item. It can be used by subclasses that wants to paint additional data
- Parameters:
-
option options for the title and subtitle text index model index that we want to compute the free area
Definition at line 194 of file delegate.cpp.
void Plasma::Delegate::paint | ( | QPainter * | painter, | |
const QStyleOptionViewItem & | option, | |||
const QModelIndex & | index | |||
) | const [virtual] |
Definition at line 206 of file delegate.cpp.
QRect Plasma::Delegate::rectAfterSubTitle | ( | const QStyleOptionViewItem & | option, | |
const QModelIndex & | index | |||
) | const [protected] |
Returns the empty area after the subtitle.
The height is the height of the subtitle. It can be used by subclasses, that wants to paint additional data.
- Parameters:
-
option options for the subtitle text index model index that we want to compute the free area
Definition at line 175 of file delegate.cpp.
QRect Plasma::Delegate::rectAfterTitle | ( | const QStyleOptionViewItem & | option, | |
const QModelIndex & | index | |||
) | const [protected] |
Returns the empty area after the title.
The height is the height of the subtitle. It can be used by subclasses that wants to paint additional data after calling the paint function of the superclass.
- Parameters:
-
option options for the title text index model index that we want to compute the free area
Definition at line 156 of file delegate.cpp.
int Plasma::Delegate::roleMapping | ( | SpecificRoles | role | ) | const |
Definition at line 151 of file delegate.cpp.
void Plasma::Delegate::setRoleMapping | ( | SpecificRoles | role, | |
int | actual | |||
) |
Maps an arbitrary role to a role belonging to SpecificRoles.
Using this function you can use any model with this delegate.
- Parameters:
-
role a role belonging to SpecificRoles actual an arbitrary role of the model we are using
Definition at line 146 of file delegate.cpp.
QSize Plasma::Delegate::sizeHint | ( | const QStyleOptionViewItem & | option, | |
const QModelIndex & | index | |||
) | const [protected, virtual] |
Definition at line 363 of file delegate.cpp.
The documentation for this class was generated from the following files: