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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 > TQComboTableItem Class Reference< br > < small > [< a href = "table.html" > table module< / a > ]< / small > < / h1 >
< p > The TQComboTableItem class provides a means of using
comboboxes in TQTables.
< a href = "#details" > More...< / a >
< p > < tt > #include < < a href = "qtable-h.html" > ntqtable.h< / a > > < / tt >
< p > Inherits < a href = "qtableitem.html" > TQTableItem< / a > .
< p > < a href = "qcombotableitem-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
< ul >
< li class = fn > < a href = "#TQComboTableItem" > < b > TQComboTableItem< / b > < / a > ( TQTable * table, const TQStringList & list, bool editable = FALSE )< / li >
< li class = fn > < a href = "#~TQComboTableItem" > < b > ~TQComboTableItem< / b > < / a > ()< / li >
< li class = fn > virtual void < a href = "#setCurrentItem" > < b > setCurrentItem< / b > < / a > ( int i )< / li >
< li class = fn > virtual void < a href = "#setCurrentItem-2" > < b > setCurrentItem< / b > < / a > ( const TQString & s )< / li >
< li class = fn > int < a href = "#currentItem" > < b > currentItem< / b > < / a > () const< / li >
< li class = fn > TQString < a href = "#currentText" > < b > currentText< / b > < / a > () const< / li >
< li class = fn > int < a href = "#count" > < b > count< / b > < / a > () const< / li >
< li class = fn > TQString < a href = "#text" > < b > text< / b > < / a > ( int i ) const< / li >
< li class = fn > virtual void < a href = "#setEditable" > < b > setEditable< / b > < / a > ( bool b )< / li >
< li class = fn > bool < a href = "#isEditable" > < b > isEditable< / b > < / a > () const< / li >
< li class = fn > virtual void < a href = "#setStringList" > < b > setStringList< / b > < / a > ( const TQStringList & l )< / li >
< li class = fn > virtual int < a href = "#rtti" > < b > rtti< / b > < / a > () const< / li >
< / ul >
< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
The TQComboTableItem class provides a means of using
comboboxes in TQTables.
< p >
< p > A TQComboTableItem is a table item which looks and behaves like a
combobox. The advantage of using TQComboTableItems rather than real
comboboxes is that a TQComboTableItem uses far less resources than
real comboboxes in < a href = "ntqtable.html" > TQTable< / a > s. When the cell has the focus it
displays a real combobox which the user can interact with. When
the cell does not have the focus the cell < em > looks< / em > like a
combobox. Only text items (i.e. no pixmaps) may be used in
TQComboTableItems.
< p > TQComboTableItem items have the edit type < a href = "qtableitem.html#EditType-enum" > WhenCurrent< / a > (see
< a href = "qtableitem.html#EditType-enum" > EditType< / a > ). The TQComboTableItem's list of items is provided by
a < a href = "tqstringlist.html" > TQStringList< / a > passed to the constructor.
< p > The list of items may be changed using < a href = "#setStringList" > setStringList< / a > (). The
current item can be set with < a href = "#setCurrentItem" > setCurrentItem< / a > () and retrieved with
< a href = "#currentItem" > currentItem< / a > (). The text of the current item can be obtained with
< a href = "#currentText" > currentText< / a > (), and the text of a particular item can be retrieved
with < a href = "#text" > text< / a > ().
< p > If < a href = "#isEditable" > isEditable< / a > () is TRUE the TQComboTableItem will permit the user
to either choose an existing list item, or create a new list item
by entering their own text; otherwise the user may only choose one
of the existing list items.
< p > To populate a table cell with a TQComboTableItem use
< a href = "ntqtable.html#setItem" > TQTable::setItem< / a > ().
< p > TQComboTableItems may be deleted with < a href = "ntqtable.html#clearCell" > TQTable::clearCell< / a > ().
< p > TQComboTableItems can be distinguished from < a href = "qtableitem.html" > TQTableItem< / a > s and
< a href = "qchecktableitem.html" > TQCheckTableItem< / a > s using their Run Time Type Identification
number (see < a href = "#rtti" > rtti< / a > ()).
< p > < center > < img src = "qtableitems.png" alt = "Table Items" > < / center >
< p > < p > See also < a href = "qchecktableitem.html" > TQCheckTableItem< / a > , < a href = "qtableitem.html" > TQTableItem< / a > , < a href = "ntqcombobox.html" > TQComboBox< / a > , and < a href = "advanced.html" > Advanced Widgets< / a > .
< hr > < h2 > Member Function Documentation< / h2 >
< h3 class = fn > < a name = "TQComboTableItem" > < / a > TQComboTableItem::TQComboTableItem ( < a href = "ntqtable.html" > TQTable< / a > * table, const < a href = "tqstringlist.html" > TQStringList< / a > & list, bool editable = FALSE )
< / h3 >
Creates a combo table item for the table < em > table< / em > . The combobox's
list of items is passed in the < em > list< / em > argument. If < em > editable< / em > is
TRUE the user may type in new list items; if < em > editable< / em > is FALSE
the user may only select from the list of items provided.
< p > By default TQComboTableItems cannot be replaced by other table
items since < a href = "qtableitem.html#isReplaceable" > isReplaceable< / a > () returns FALSE by default.
< p > < p > See also < a href = "ntqtable.html#clearCell" > TQTable::clearCell< / a > () and < a href = "qtableitem.html#EditType-enum" > EditType< / a > .
< h3 class = fn > < a name = "~TQComboTableItem" > < / a > TQComboTableItem::~TQComboTableItem ()
< / h3 >
TQComboTableItem destructor.
< h3 class = fn > int < a name = "count" > < / a > TQComboTableItem::count () const
< / h3 >
Returns the total number of list items in the combo table item.
< h3 class = fn > int < a name = "currentItem" > < / a > TQComboTableItem::currentItem () const
< / h3 >
Returns the index of the combo table item's current list item.
< p > < p > See also < a href = "#setCurrentItem" > setCurrentItem< / a > ().
< h3 class = fn > < a href = "tqstring.html" > TQString< / a > < a name = "currentText" > < / a > TQComboTableItem::currentText () const
< / h3 >
Returns the text of the combo table item's current list item.
< p > < p > See also < a href = "#currentItem" > currentItem< / a > () and < a href = "#text" > text< / a > ().
< h3 class = fn > bool < a name = "isEditable" > < / a > TQComboTableItem::isEditable () const
< / h3 >
Returns TRUE if the user can add their own list items to the
combobox's list of items; otherwise returns FALSE.
< p > < p > See also < a href = "#setEditable" > setEditable< / a > ().
< h3 class = fn > int < a name = "rtti" > < / a > TQComboTableItem::rtti () const< tt > [virtual]< / tt >
< / h3 >
< p > Returns 1.
< p > Make your derived classes return their own values for < a href = "#rtti" > rtti< / a > ()to
distinguish between different table item subclasses. You should
use values greater than 1000, preferably a large random number, to
allow for extensions to this class.
< p > < p > See also < a href = "qtableitem.html#rtti" > TQTableItem::rtti< / a > ().
< p > Reimplemented from < a href = "qtableitem.html#rtti" > TQTableItem< / a > .
< h3 class = fn > void < a name = "setCurrentItem" > < / a > TQComboTableItem::setCurrentItem ( int i )< tt > [virtual]< / tt >
< / h3 >
Sets the list item < em > i< / em > to be the combo table item's current list
item.
< p > < p > See also < a href = "#currentItem" > currentItem< / a > ().
< p > Example: < a href = "small-table-example-example.html#x2797" > table/small-table-demo/main.cpp< / a > .
< h3 class = fn > void < a name = "setCurrentItem-2" > < / a > TQComboTableItem::setCurrentItem ( const < a href = "tqstring.html" > TQString< / a > & s )< tt > [virtual]< / tt >
< / h3 >
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
< p > Sets the list item whose text is < em > s< / em > to be the combo table item's
current list item. Does nothing if no list item has the text < em > s< / em > .
< p > < p > See also < a href = "#currentItem" > currentItem< / a > ().
< h3 class = fn > void < a name = "setEditable" > < / a > TQComboTableItem::setEditable ( bool b )< tt > [virtual]< / tt >
< / h3 >
If < em > b< / em > is TRUE the combo table item can be edited, i.e. the user
may enter a new text item themselves. If < em > b< / em > is FALSE the user may
may only choose one of the existing items.
< p > < p > See also < a href = "#isEditable" > isEditable< / a > ().
< h3 class = fn > void < a name = "setStringList" > < / a > TQComboTableItem::setStringList ( const < a href = "tqstringlist.html" > TQStringList< / a > & l )< tt > [virtual]< / tt >
< / h3 >
Sets the list items of this TQComboTableItem to the strings in the
string list < em > l< / em > .
< h3 class = fn > < a href = "tqstring.html" > TQString< / a > < a name = "text" > < / a > TQComboTableItem::text ( int i ) const
< / h3 >
Returns the text of the combo's list item at index < em > i< / em > .
< p > < p > See also < a href = "#currentText" > currentText< / a > ().
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