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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > TQCheckListItem Class Reference< / h1 >
< p > The TQCheckListItem class provides checkable list view items.
< a href = "#details" > More...< / a >
< p > < tt > #include < < a href = "qlistview-h.html" > ntqlistview.h< / a > > < / tt >
< p > Inherits < a href = "qlistviewitem.html" > TQListViewItem< / a > .
< p > < a href = "qchecklistitem-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
< ul >
< li class = fn > enum < a href = "#Type-enum" > < b > Type< / b > < / a > { RadioButton, CheckBox, Controller, RadioButtonController = Controller, CheckBoxController }< / li >
< li class = fn > enum < a href = "#ToggleState-enum" > < b > ToggleState< / b > < / a > { Off, NoChange, On }< / li >
< li class = fn > < a href = "#TQCheckListItem" > < b > TQCheckListItem< / b > < / a > ( TQCheckListItem * parent, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-2" > < b > TQCheckListItem< / b > < / a > ( TQCheckListItem * parent, TQListViewItem * after, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-3" > < b > TQCheckListItem< / b > < / a > ( TQListViewItem * parent, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-4" > < b > TQCheckListItem< / b > < / a > ( TQListViewItem * parent, TQListViewItem * after, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-5" > < b > TQCheckListItem< / b > < / a > ( TQListView * parent, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-6" > < b > TQCheckListItem< / b > < / a > ( TQListView * parent, TQListViewItem * after, const TQString & text, Type tt = RadioButtonController )< / li >
< li class = fn > < a href = "#TQCheckListItem-7" > < b > TQCheckListItem< / b > < / a > ( TQListViewItem * parent, const TQString & text, const TQPixmap & p )< / li >
< li class = fn > < a href = "#TQCheckListItem-8" > < b > TQCheckListItem< / b > < / a > ( TQListView * parent, const TQString & text, const TQPixmap & p )< / li >
< li class = fn > < a href = "#~TQCheckListItem" > < b > ~TQCheckListItem< / b > < / a > ()< / li >
< li class = fn > virtual void < a href = "#paintCell" > < b > paintCell< / b > < / a > ( TQPainter * p, const TQColorGroup & cg, int column, int width, int align )< / li >
< li class = fn > virtual void < a href = "#paintFocus" > < b > paintFocus< / b > < / a > ( TQPainter * p, const TQColorGroup & cg, const TQRect & r )< / li >
< li class = fn > virtual void < a href = "#setOn" > < b > setOn< / b > < / a > ( bool b )< / li >
< li class = fn > bool < a href = "#isOn" > < b > isOn< / b > < / a > () const< / li >
< li class = fn > Type < a href = "#type" > < b > type< / b > < / a > () const< / li >
< li class = fn > TQString < a href = "#text" > < b > text< / b > < / a > () const< / li >
< li class = fn > void < a href = "#setTristate" > < b > setTristate< / b > < / a > ( bool b )< / li >
< li class = fn > bool < a href = "#isTristate" > < b > isTristate< / b > < / a > () const< / li >
< li class = fn > ToggleState < a href = "#state" > < b > state< / b > < / a > () const< / li >
< li class = fn > void < a href = "#setState" > < b > setState< / b > < / a > ( ToggleState s )< / li >
< li class = fn > virtual int < a href = "#rtti" > < b > rtti< / b > < / a > () const< / li >
< / ul >
< h2 > Protected Members< / h2 >
< ul >
< li class = fn > virtual void < a href = "#activate" > < b > activate< / b > < / a > ()< / li >
< li class = fn > void < a href = "#turnOffChild" > < b > turnOffChild< / b > < / a > ()< / li >
< li class = fn > virtual void < a href = "#stateChange" > < b > stateChange< / b > < / a > ( bool )< / li >
< / ul >
< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
The TQCheckListItem class provides checkable list view items.
< p >
< p > TQCheckListItems are used in < a href = "ntqlistview.html" > TQListView< / a > s to provide
< a href = "qlistviewitem.html" > TQListViewItem< / a > s that are checkboxes, radio buttons or
controllers.
< p > Checkbox and controller check list items may be inserted at any
level in a list view. Radio button check list items must be
children of a controller check list item.
< p > The item can be checked or unchecked with < a href = "#setOn" > setOn< / a > (). Its type can be
retrieved with < a href = "#type" > type< / a > () and its text retrieved with < a href = "#text" > text< / a > ().
< p > < center > < img src = "qlistviewitems.png" alt = "List View Items" > < / center >
< p > < p > See also < a href = "qlistviewitem.html" > TQListViewItem< / a > , < a href = "ntqlistview.html" > TQListView< / a > , and < a href = "advanced.html" > Advanced Widgets< / a > .
< hr > < h2 > Member Type Documentation< / h2 >
< h3 class = fn > < a name = "ToggleState-enum" > < / a > TQCheckListItem::ToggleState< / h3 >
< p > This enum specifies a TQCheckListItem's toggle state.
< ul >
< li > < tt > TQCheckListItem::Off< / tt >
< li > < tt > TQCheckListItem::NoChange< / tt >
< li > < tt > TQCheckListItem::On< / tt >
< / ul >
< h3 class = fn > < a name = "Type-enum" > < / a > TQCheckListItem::Type< / h3 >
< p > This enum type specifies a TQCheckListItem's type:
< ul >
< li > < tt > TQCheckListItem::RadioButton< / tt >
< li > < tt > TQCheckListItem::CheckBox< / tt >
< li > < tt > TQCheckListItem::Controller< / tt > - < em > obsolete< / em > (use < a href = "#Type-enum" > RadioButtonController< / a > instead)
< li > < tt > TQCheckListItem::RadioButtonController< / tt >
< li > < tt > TQCheckListItem::CheckBoxController< / tt >
< / ul >
< hr > < h2 > Member Function Documentation< / h2 >
< h3 class = fn > < a name = "TQCheckListItem" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "qchecklistitem.html" > TQCheckListItem< / a > * parent, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , text < em > text< / em >
and of type < em > tt< / em > . Note that a < a href = "#Type-enum" > RadioButton< / a > must be the child of a
< a href = "#Type-enum" > RadioButtonController< / a > , otherwise it will not toggle.
< h3 class = fn > < a name = "TQCheckListItem-2" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "qchecklistitem.html" > TQCheckListItem< / a > * parent, < a href = "qlistviewitem.html" > TQListViewItem< / a > * after, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , which is after
< em > after< / em > in the parent's list of children, and with text < em > text< / em >
and of type < em > tt< / em > . Note that a < a href = "#Type-enum" > RadioButton< / a > must be the child of
a < a href = "#Type-enum" > RadioButtonController< / a > , otherwise it will not toggle.
< h3 class = fn > < a name = "TQCheckListItem-3" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "qlistviewitem.html" > TQListViewItem< / a > * parent, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , text < em > text< / em >
and of type < em > tt< / em > . Note that this item must < em > not< / em > be a < a href = "#Type-enum" > RadioButton< / a > . Radio buttons must be children of a < a href = "#Type-enum" > RadioButtonController< / a > .
< h3 class = fn > < a name = "TQCheckListItem-4" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "qlistviewitem.html" > TQListViewItem< / a > * parent, < a href = "qlistviewitem.html" > TQListViewItem< / a > * after, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , which is after
< em > after< / em > in the parent's list of children, with text < em > text< / em > and
of type < em > tt< / em > . Note that this item must < em > not< / em > be a < a href = "#Type-enum" > RadioButton< / a > . Radio buttons must be children of a < a href = "#Type-enum" > RadioButtonController< / a > .
< h3 class = fn > < a name = "TQCheckListItem-5" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "ntqlistview.html" > TQListView< / a > * parent, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , text < em > text< / em >
and of type < em > tt< / em > . Note that < em > tt< / em > must < em > not< / em > be < a href = "#Type-enum" > RadioButton< / a > .
Radio buttons must be children of a < a href = "#Type-enum" > RadioButtonController< / a > .
< h3 class = fn > < a name = "TQCheckListItem-6" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "ntqlistview.html" > TQListView< / a > * parent, < a href = "qlistviewitem.html" > TQListViewItem< / a > * after, const < a href = "ntqstring.html" > TQString< / a > & text, < a href = "qchecklistitem.html#Type-enum" > Type< / a > tt = RadioButtonController )
< / h3 >
Constructs a checkable item with parent < em > parent< / em > , which is after
< em > after< / em > in the parent's list of children, with text < em > text< / em > and
of type < em > tt< / em > . Note that < em > tt< / em > must < em > not< / em > be < a href = "#Type-enum" > RadioButton< / a > .
Radio buttons must be children of a < a href = "#Type-enum" > RadioButtonController< / a > .
< h3 class = fn > < a name = "TQCheckListItem-7" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "qlistviewitem.html" > TQListViewItem< / a > * parent, const < a href = "ntqstring.html" > TQString< / a > & text, const < a href = "ntqpixmap.html" > TQPixmap< / a > & p )
< / h3 >
Constructs a < a href = "#Type-enum" > RadioButtonController< / a > item with parent < em > parent< / em > ,
text < em > text< / em > and pixmap < em > p< / em > .
< h3 class = fn > < a name = "TQCheckListItem-8" > < / a > TQCheckListItem::TQCheckListItem ( < a href = "ntqlistview.html" > TQListView< / a > * parent, const < a href = "ntqstring.html" > TQString< / a > & text, const < a href = "ntqpixmap.html" > TQPixmap< / a > & p )
< / h3 >
Constructs a < a href = "#Type-enum" > RadioButtonController< / a > item with parent < em > parent< / em > ,
text < em > text< / em > and pixmap < em > p< / em > .
< h3 class = fn > < a name = "~TQCheckListItem" > < / a > TQCheckListItem::~TQCheckListItem ()
< / h3 >
Destroys the item, and all its children to any depth, freeing up
all allocated resources.
< h3 class = fn > void < a name = "activate" > < / a > TQCheckListItem::activate ()< tt > [virtual protected]< / tt >
< / h3 >
Toggle check box or set radio button to on.
< p > Reimplemented from < a href = "qlistviewitem.html#activate" > TQListViewItem< / a > .
< h3 class = fn > bool < a name = "isOn" > < / a > TQCheckListItem::isOn () const
< / h3 >
< p > Returns TRUE if the item is toggled on; otherwise returns FALSE.
< h3 class = fn > bool < a name = "isTristate" > < / a > TQCheckListItem::isTristate () const
< / h3 >
Returns TRUE if the item is tristate; otherwise returns FALSE.
< p > < p > See also < a href = "#setTristate" > setTristate< / a > ().
< h3 class = fn > void < a name = "paintCell" > < / a > TQCheckListItem::paintCell ( < a href = "ntqpainter.html" > TQPainter< / a > * p, const < a href = "qcolorgroup.html" > TQColorGroup< / a > & cg, int column, int width, int align )< tt > [virtual]< / tt >
< / h3 >
Paints the item using the painter < em > p< / em > and the color group < em > cg< / em > .
The item is in column < em > column< / em > , has width < em > width< / em > and has
alignment < em > align< / em > . (See TQt::AlignmentFlags for valid alignments.)
< p > Reimplemented from < a href = "qlistviewitem.html#paintCell" > TQListViewItem< / a > .
< h3 class = fn > void < a name = "paintFocus" > < / a > TQCheckListItem::paintFocus ( < a href = "ntqpainter.html" > TQPainter< / a > * p, const < a href = "qcolorgroup.html" > TQColorGroup< / a > & cg, const < a href = "ntqrect.html" > TQRect< / a > & r )< tt > [virtual]< / tt >
< / h3 >
Draws the focus rectangle < em > r< / em > using the color group < em > cg< / em > on the
painter < em > p< / em > .
< p > Reimplemented from < a href = "qlistviewitem.html#paintFocus" > TQListViewItem< / a > .
< h3 class = fn > int < a name = "rtti" > < / a > TQCheckListItem::rtti () const< tt > [virtual]< / tt >
< / h3 >
< p > Returns 1.
< p > Make your derived classes return their own values for < a href = "#rtti" > rtti< / a > (), and
you can distinguish between list view items. You should use values
greater than 1000, to allow for extensions to this class.
< p > Reimplemented from < a href = "qlistviewitem.html#rtti" > TQListViewItem< / a > .
< h3 class = fn > void < a name = "setOn" > < / a > TQCheckListItem::setOn ( bool b )< tt > [virtual]< / tt >
< / h3 >
Sets the button on if < em > b< / em > is TRUE, otherwise sets it off.
Maintains radio button exclusivity.
< h3 class = fn > void < a name = "setState" > < / a > TQCheckListItem::setState ( < a href = "qchecklistitem.html#ToggleState-enum" > ToggleState< / a > s )
< / h3 >
Sets the toggle state of the checklistitem to < em > s< / em > . < em > s< / em > can be
< a href = "#ToggleState-enum" > Off< / a > , < a href = "#ToggleState-enum" > NoChange< / a > or < a href = "#ToggleState-enum" > On< / a > .
< p > Tristate can only be enabled for < a href = "#Type-enum" > CheckBox< / a > or < a href = "#Type-enum" > CheckBoxController< / a > ,
therefore the < a href = "#ToggleState-enum" > NoChange< / a > only applies to them.
< p > Setting the state to < a href = "#ToggleState-enum" > On< / a > or < a href = "#ToggleState-enum" > Off< / a > on a < a href = "#Type-enum" > CheckBoxController< / a >
will recursivly set the states of its children to the same state.
< p > Setting the state to < a href = "#ToggleState-enum" > NoChange< / a > on a < a href = "#Type-enum" > CheckBoxController< / a > will
make it recursivly recall the previous stored state of its
children. If there was no previous stored state the children are
all set to < a href = "#ToggleState-enum" > On< / a > .
< h3 class = fn > void < a name = "setTristate" > < / a > TQCheckListItem::setTristate ( bool b )
< / h3 >
Sets tristate to < em > b< / em > if the < a href = "#Type-enum" > Type< / a > is either a < a href = "#Type-enum" > CheckBoxController< / a > or
a < a href = "#Type-enum" > CheckBox< / a > .
< p > < tt > CheckBoxControllers< / tt > are tristate by default.
< p > < p > See also < a href = "#state" > state< / a > () and < a href = "#isTristate" > isTristate< / a > ().
< h3 class = fn > < a href = "qchecklistitem.html#ToggleState-enum" > ToggleState< / a > < a name = "state" > < / a > TQCheckListItem::state () const
< / h3 >
Returns the state of the item.
< p > < p > See also < a href = "#ToggleState-enum" > TQCheckListItem::ToggleState< / a > .
< h3 class = fn > void < a name = "stateChange" > < / a > TQCheckListItem::stateChange ( bool )< tt > [virtual protected]< / tt >
< / h3 >
This virtual function is called when the item changes its state.
< a href = "#ToggleState-enum" > NoChange< / a > (if tristate is enabled and the type is either < a href = "#Type-enum" > CheckBox< / a > or < a href = "#Type-enum" > CheckBoxController< / a > ) reports the same as < a href = "#ToggleState-enum" > Off< / a > , so
use < a href = "#state" > state< / a > () to determine if the state is actually < a href = "#ToggleState-enum" > Off< / a > or < a href = "#ToggleState-enum" > NoChange< / a > .
< h3 class = fn > < a href = "ntqstring.html" > TQString< / a > < a name = "text" > < / a > TQCheckListItem::text () const
< / h3 >
< p > Returns the item's text.
< h3 class = fn > void < a name = "turnOffChild" > < / a > TQCheckListItem::turnOffChild ()< tt > [protected]< / tt >
< / h3 >
If this is a < a href = "#Type-enum" > RadioButtonController< / a > that has < a href = "#Type-enum" > RadioButton< / a >
children, turn off the child that is on.
< h3 class = fn > < a href = "qchecklistitem.html#Type-enum" > Type< / a > < a name = "type" > < / a > TQCheckListItem::type () const
< / h3 >
< p > Returns the type of this item.
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