fixed unsolved link

[wxWidgets.git] / docs / latex / wx / treectrl.tex

diff --git a/docs/latex/wx/treectrl.tex b/docs/latex/wx/treectrl.tex
index 70578d0cf0d9cecff4c3bf43b19410c5e9c1911c..47f182a80058a510be7745d1042926744c3bc512 100644 (file)
--- a/docs/latex/wx/treectrl.tex
+++ b/docs/latex/wx/treectrl.tex
@@ -12,14 +12,21 @@ To intercept events from a tree control, use the event table macros described in
 \helpref{wxEvtHandler}{wxevthandler}\\
 \helpref{wxObject}{wxobject}
 
 \helpref{wxEvtHandler}{wxevthandler}\\
 \helpref{wxObject}{wxobject}
 

+\wxheading{Include files}
+
+<wx/treectrl.h>
+

 \wxheading{Window styles}
 
 \twocolwidtha{5cm}
 \begin{twocollist}\itemsep=0pt
 \twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style to show + and - buttons to the
 \wxheading{Window styles}
 
 \twocolwidtha{5cm}
 \begin{twocollist}\itemsep=0pt
 \twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style to show + and - buttons to the

-left of parent items.}
+left of parent items. Win32 only. }

 \twocolitem{\windowstyle{wxTR\_EDIT\_LABELS}}{Use this style if you wish the user to be
 able to edit labels in the tree control.}
 \twocolitem{\windowstyle{wxTR\_EDIT\_LABELS}}{Use this style if you wish the user to be
 able to edit labels in the tree control.}

+\twocolitem{\windowstyle{wxTR\_MULTIPLE}}{Use this style to allow the user to
+select more than one item in the control - by default, only one item may be
+selected.}

 \end{twocollist}
 
 See also \helpref{window styles overview}{windowstyles}.
 \end{twocollist}
 
 See also \helpref{window styles overview}{windowstyles}.


@@ -33,15 +40,15 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument.
 \begin{twocollist}\itemsep=0pt
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{Begin dragging with the left mouse button.}
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{Begin dragging with the right mouse button.}
 \begin{twocollist}\itemsep=0pt
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{Begin dragging with the left mouse button.}
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{Begin dragging with the right mouse button.}

-\twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label.}
-\twocolitem{{\bf EVT\_TREE\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label.}
+\twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
+\twocolitem{{\bf EVT\_TREE\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}

 \twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{Delete an item.}
 \twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.}
 \twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{Parent has been expanded.}
 \twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{Delete an item.}
 \twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.}
 \twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{Parent has been expanded.}

-\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{Parent is being expanded.}
+\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{Parent is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}

 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}

-\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing.}
+\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}

 \twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
 \end{twocollist}%
 
 \twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
 \end{twocollist}%
 


@@ -145,20 +152,20 @@ Deletes all the items in the control.
 
 \membersection{wxTreeCtrl::EditLabel}\label{wxtreectrleditlabel}
 
 
 \membersection{wxTreeCtrl::EditLabel}\label{wxtreectrleditlabel}
 

-\func{wxTextCtrl*}{EditLabel}{\param{const wxTreeItemId\&}{ item}, \param{wxClassInfo*}{ textControlClass = CLASSINFO(wxTextCtrl)}}
-
-Starts editing the label of the given item, returning the text control that the tree control uses for editing.
+\func{void}{EditLabel}{\param{const wxTreeItemId\&}{ item}}

 
 

-Pass another {\it textControlClass} if a derived class is required. It usually will be, in order for
-the application to detect when editing has finished and to call \helpref{wxTreeCtrl::EndEditLabel}{wxtreectrlendeditlabel}.
+Starts editing the label of the given item. This function generates a
+EVT\_TREE\_BEGIN\_LABEL\_EDIT event which can be vetoed so that no
+text control will appear for in-place editing.

 
 

-Do not delete the text control yourself.
-
-This function is currently supported under Windows only.
+If the user changed the label (i.e. s/he does not press ESC or leave
+the text control without changes, a EVT\_TREE\_END\_LABEL\_EDIT event 
+will be sent which can be vetoed as well.

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 

-\helpref{wxTreeCtrl::EndEditLabel}{wxtreectrlendeditlabel}
+\helpref{wxTreeCtrl::EndEditLabel}{wxtreectrlendeditlabel},
+\helpref{wxTreeEvent}{wxtreeevent}

 
 \membersection{wxTreeCtrl::EndEditLabel}\label{wxtreectrlendeditlabel}
 
 
 \membersection{wxTreeCtrl::EndEditLabel}\label{wxtreectrlendeditlabel}
 


@@ -186,9 +193,15 @@ Expands the given item.
 
 \membersection{wxTreeCtrl::GetBoundingRect}\label{wxtreectrlgetitemrect}
 
 
 \membersection{wxTreeCtrl::GetBoundingRect}\label{wxtreectrlgetitemrect}
 

-\constfunc{void}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = FALSE}}
+\constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = FALSE}}

 
 

-Returns the position and size of the rectangle bounding the item.
+Retrieves the rectangle bounding the {\it item}. If {\it textOnly} is TRUE,
+only the rectangle around the items label will be returned, otherwise the
+items image is also taken into account.
+
+The return value is TRUE if the rectangle was successfully retrieved or FALSE
+if it was not (in this case {\it rect} is not changed) - for example, if the
+item is currently invisible.

 
 \membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount}
 
 
 \membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount}
 


@@ -221,12 +234,15 @@ to make these functions reentrant (i.e. allow more than one
 enumeration on one and the same object simultaneously). The cookie passed to
 GetFirstChild and GetNextChild should be the same.
 
 enumeration on one and the same object simultaneously). The cookie passed to
 GetFirstChild and GetNextChild should be the same.
 

-Returns 0 if there are no further children.
+Returns an invalid tree item if there are no further children.

 
 \wxheading{See also}
 
 \helpref{wxTreeCtrl::GetNextChild}{wxtreectrlgetnextchild}
 
 
 \wxheading{See also}
 
 \helpref{wxTreeCtrl::GetNextChild}{wxtreectrlgetnextchild}
 

+\pythonnote{In wxPython the returned wxTreeItemId and the new cookie
+value are both returned as a tuple containing the two values.}
+

 \membersection{wxTreeCtrl::GetFirstVisibleItem}\label{wxtreectrlgetfirstvisibleitem}
 
 \constfunc{wxTreeItemId}{GetFirstVisibleItem}{\void}
 \membersection{wxTreeCtrl::GetFirstVisibleItem}\label{wxtreectrlgetfirstvisibleitem}
 
 \constfunc{wxTreeItemId}{GetFirstVisibleItem}{\void}


@@ -262,6 +278,13 @@ Returns the tree item data associated with the item.
 
 \helpref{wxTreeItemData}{wxtreeitemdata}
 
 
 \helpref{wxTreeItemData}{wxtreeitemdata}
 

+\pythonnote{wxPython provides the following shortcut method:\par
+\indented{2cm}{\begin{twocollist}
+\twocolitem{\bf{GetPyData(item)}}{Returns the Python Object
+associated with the wxTreeItemData for the given item Id.}
+\end{twocollist}}
+}
+

 \membersection{wxTreeCtrl::GetItemImage}\label{wxtreectrlgetitemimage}
 
 \constfunc{int}{GetItemImage}{\param{const wxTreeItemId\& }{item}}
 \membersection{wxTreeCtrl::GetItemImage}\label{wxtreectrlgetitemimage}
 
 \constfunc{int}{GetItemImage}{\param{const wxTreeItemId\& }{item}}


@@ -278,11 +301,11 @@ Returns the item label.
 
 \constfunc{wxTreeItemId}{GetLastChild}{\param{const wxTreeItemId\&}{ item}}
 
 
 \constfunc{wxTreeItemId}{GetLastChild}{\param{const wxTreeItemId\&}{ item}}
 

-Returns the last child of the item (or 0 if this item has no children).
+Returns the last child of the item (or an invalid tree item if this item has no children).

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 

-\helpref{GetFirstChild}{wxtreectrlgetfirstchild}, 
+\helpref{GetFirstChild}{wxtreectrlgetfirstchild},

 \helpref{GetLastChild}{wxtreectrlgetlastchild}
 
 \membersection{wxTreeCtrl::GetNextChild}\label{wxtreectrlgetnextchild}
 \helpref{GetLastChild}{wxtreectrlgetlastchild}
 
 \membersection{wxTreeCtrl::GetNextChild}\label{wxtreectrlgetnextchild}


@@ -297,19 +320,22 @@ to make these functions reentrant (i.e. allow more than one
 enumeration on one and the same object simultaneously). The cookie passed to
 GetFirstChild and GetNextChild should be the same.
 
 enumeration on one and the same object simultaneously). The cookie passed to
 GetFirstChild and GetNextChild should be the same.
 

-Returns 0 if there are no further children.
+Returns an invalid tree item if there are no further children.

 
 \wxheading{See also}
 
 \helpref{wxTreeCtrl::GetFirstChild}{wxtreectrlgetfirstchild}
 
 
 \wxheading{See also}
 
 \helpref{wxTreeCtrl::GetFirstChild}{wxtreectrlgetfirstchild}
 

+\pythonnote{In wxPython the returned wxTreeItemId and the new cookie
+value are both returned as a tuple containing the two values.}
+

 \membersection{wxTreeCtrl::GetNextSibling}\label{wxtreectrlgetnextsibling}
 
 \constfunc{wxTreeItemId}{GetNextSibling}{\param{const wxTreeItemId\&}{ item}}
 
 Returns the next sibling of the specified item; call \helpref{wxTreeCtrl::GetPrevSibling}{wxtreectrlgetprevsibling} for the previous sibling.
 
 \membersection{wxTreeCtrl::GetNextSibling}\label{wxtreectrlgetnextsibling}
 
 \constfunc{wxTreeItemId}{GetNextSibling}{\param{const wxTreeItemId\&}{ item}}
 
 Returns the next sibling of the specified item; call \helpref{wxTreeCtrl::GetPrevSibling}{wxtreectrlgetprevsibling} for the previous sibling.
 

-Returns 0 if there are no further siblings.
+Returns an invalid tree item if there are no further siblings.

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 


@@ -333,7 +359,7 @@ Returns the item's parent.
 
 Returns the previous sibling of the specified item; call \helpref{wxTreeCtrl::GetNextSibling}{wxtreectrlgetnextsibling} for the next sibling.
 
 
 Returns the previous sibling of the specified item; call \helpref{wxTreeCtrl::GetNextSibling}{wxtreectrlgetnextsibling} for the next sibling.
 

-Returns 0 if there are no further children.
+Returns an invalid tree item if there are no further children.

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 


@@ -351,9 +377,9 @@ Returns the previous visible item.
 
 Returns the root item for the tree control.
 
 
 Returns the root item for the tree control.
 

-\membersection{wxTreeCtrl::GetSelectedItemImage}\label{wxtreectrlgetselecteditemimage}
+\membersection{wxTreeCtrl::GetItemSelectedImage}\label{wxtreectrlgetitemselectedimage}

 
 

-\constfunc{int}{GetSelectedItemImage}{\param{const wxTreeItemId\& }{item}}
+\constfunc{int}{GetItemSelectedImage}{\param{const wxTreeItemId\& }{item}}

 
 Gets the selected item image.
 
 
 Gets the selected item image.
 


@@ -361,7 +387,19 @@ Gets the selected item image.
 
 \constfunc{wxTreeItemId}{GetSelection}{\void}
 
 
 \constfunc{wxTreeItemId}{GetSelection}{\void}
 

-Returns the selection, or 0 if there is no selection.
+Returns the selection, or an invalid item if there is no selection.
+This function only works with the controls without wxTR\_MULTIPLE style, use 
+\helpref{GetSelections}{wxtreectrlgetselections} for the controls which do have
+this style.
+
+\membersection{wxTreeCtrl::GetSelections}\label{wxtreectrlgetselections}
+
+\constfunc{size\_t}{GetSelections}{\param{wxArrayTreeItemIds\& }{selection}}
+
+Fills the array of tree items passed in with the currently selected items. This
+function can be called only if the control has the wxTR\_MULTIPLE style.
+
+Returns the number of selected items.

 
 \membersection{wxTreeCtrl::HitTest}\label{wxtreectrlhittest}
 
 
 \membersection{wxTreeCtrl::HitTest}\label{wxtreectrlhittest}
 


@@ -395,6 +433,14 @@ Inserts an item after a given one.
 If {\it image} > -1 and {\it selImage} is -1, the same image is used for
 both selected and unselected items.
 
 If {\it image} > -1 and {\it selImage} is -1, the same image is used for
 both selected and unselected items.
 

+\membersection{wxTreeCtrl::IsBold}\label{wxtreectrlisbold}
+
+\constfunc{bool}{IsBold}{\param{const wxTreeItemId\& }{item}}
+
+Returns TRUE if the given item is in bold state.
+
+See also: \helpref{SetItemBold}{wxtreectrlsetitembold}
+

 \membersection{wxTreeCtrl::IsExpanded}\label{wxtreectrlisexpanded}
 
 \constfunc{bool}{IsExpanded}{\param{const wxTreeItemId\&}{ item}}
 \membersection{wxTreeCtrl::IsExpanded}\label{wxtreectrlisexpanded}
 
 \constfunc{bool}{IsExpanded}{\param{const wxTreeItemId\&}{ item}}


@@ -419,6 +465,19 @@ Returns TRUE if the item is visible (it might be outside the view, or not expand
 
 Returns TRUE if the item has children.
 
 
 Returns TRUE if the item has children.
 

+\membersection{wxTreeCtrl::OnCompareItems}\label{wxtreectrloncompareitems}
+
+\func{int}{OnCompareItems}{\param{const wxTreeItemId\& }{item1}, \param{const wxTreeItemId\& }{item2}}
+
+Override this function in the derived class to change the sort order of the
+items in the tree control. The function should return a negative, zero or
+positive value if the first item is less than, equal to or greater than the
+second one.
+
+The base class version compares items alphabetically.
+
+See also: \helpref{SortChildren}{wxtreectrlsortchildren}
+

 \membersection{wxTreeCtrl::PrependItem}\label{wxtreectrlprependitem}
 
 \func{wxTreeItemId}{PrependItem}{\param{const wxTreeItemId\& }{parent}, \param{const wxString\&}{ text},
 \membersection{wxTreeCtrl::PrependItem}\label{wxtreectrlprependitem}
 
 \func{wxTreeItemId}{PrependItem}{\param{const wxTreeItemId\& }{parent}, \param{const wxString\&}{ text},


@@ -454,12 +513,28 @@ Sets the indentation for the tree control.
 Sets the image list. {\it which} should be one of wxIMAGE\_LIST\_NORMAL, wxIMAGE\_LIST\_SMALL and
 wxIMAGE\_LIST\_STATE.
 
 Sets the image list. {\it which} should be one of wxIMAGE\_LIST\_NORMAL, wxIMAGE\_LIST\_SMALL and
 wxIMAGE\_LIST\_STATE.
 

+\membersection{wxTreeCtrl::SetItemBold}\label{wxtreectrlsetitembold}
+
+\func{void}{SetItemBold}{\param{const wxTreeItemId\& }{item}, \param{bool}{ bold = TRUE}}
+
+Makes item appear in bold font if {\it bold} parameter is TRUE or resets it to
+the normal state.
+
+See also: \helpref{IsBold}{wxtreectrlisbold}
+

 \membersection{wxTreeCtrl::SetItemData}\label{wxtreectrlsetitemdata}
 
 \func{void}{SetItemData}{\param{const wxTreeItemId\&}{ item}, \param{wxTreeItemData* }{data}}
 
 Sets the item client data.
 
 \membersection{wxTreeCtrl::SetItemData}\label{wxtreectrlsetitemdata}
 
 \func{void}{SetItemData}{\param{const wxTreeItemId\&}{ item}, \param{wxTreeItemData* }{data}}
 
 Sets the item client data.
 

+\pythonnote{wxPython provides the following shortcut method:\par
+\indented{2cm}{\begin{twocollist}
+\twocolitem{\bf{SetPyData(item, obj)}}{Associate the given Python
+Object with the wxTreeItemData for the given item Id.}
+\end{twocollist}}
+}
+

 \membersection{wxTreeCtrl::SetItemHasChildren}\label{wxtreectrlsetitemhaschildren}
 
 \func{void}{SetItemHasChildren}{\param{const wxTreeItemId\&}{ item}, \param{bool }{hasChildren = TRUE}}
 \membersection{wxTreeCtrl::SetItemHasChildren}\label{wxtreectrlsetitemhaschildren}
 
 \func{void}{SetItemHasChildren}{\param{const wxTreeItemId\&}{ item}, \param{bool }{hasChildren = TRUE}}


@@ -489,24 +564,16 @@ Sets the item label.
 
 \membersection{wxTreeCtrl::SortChildren}\label{wxtreectrlsortchildren}
 
 
 \membersection{wxTreeCtrl::SortChildren}\label{wxtreectrlsortchildren}
 

-\func{void}{SortChildren}{\param{const wxTreeItemId\&}{ item}, \param{wxTreeItemCmpFunc*}{ cmpFunction = NULL}}
-
-Sorts the children of the given item. If {\it cmpFunction} is NULL, sorts in ascending alphabetical order;
-otherwise the custom sort function is used, as follows:
+\func{void}{SortChildren}{\param{const wxTreeItemId\&}{ item}}

 
 

-{\small
-\begin{verbatim}
-// a callback function used for sorting tree items, it should return -1 if the
-// first item precedes the second, +1 if the second precedes the first or 0 if
-// they're equivalent
-class wxTreeItemData;
-typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2);
-\end{verbatim}
-}
+Sorts the children of the given item using
+\helpref{OnCompareItems}{wxtreectrloncompareitems} method of wxTreeCtrl. You
+should override that method to change the sort order (default is ascending
+alphabetical order).

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 

-\helpref{wxTreeItemData}{wxtreeitemdata}
+\helpref{wxTreeItemData}{wxtreeitemdata}, \helpref{OnCompareItems}{wxtreectrloncompareitems}

 
 \membersection{wxTreeCtrl::Toggle}\label{wxtreectrltoggle}
 
 
 \membersection{wxTreeCtrl::Toggle}\label{wxtreectrltoggle}
 


@@ -520,6 +587,14 @@ Toggles the given item between collapsed and expanded states.
 
 Removes the selection from the currently selected item (if any).
 
 
 Removes the selection from the currently selected item (if any).
 

+\membersection{wxTreeCtrl::UnselectAll}\label{wxtreectrlunselectall}
+
+\func{void}{UnselectAll}{\void}
+
+This function either behaves the same as \helpref{Unselect}{wxtreectrlunselect} 
+if the control doesn't have wxTR\_MULTIPLE style, or removes the selection from
+all items if it does have this style.
+

 \section{\class{wxTreeItemData}}\label{wxtreeitemdata}
 
 wxTreeItemData is some (arbitrary) user class associated with some item. The
 \section{\class{wxTreeItemData}}\label{wxtreeitemdata}
 
 wxTreeItemData is some (arbitrary) user class associated with some item. The


@@ -538,6 +613,10 @@ always be allocated on the heap.
 
 wxTreeItemId
 
 
 wxTreeItemId
 

+\wxheading{Include files}
+
+<wx/treectrl.h>
+

 \wxheading{See also}
 
 \helpref{wxTreeCtrl}{wxtreectrl}
 \wxheading{See also}
 
 \helpref{wxTreeCtrl}{wxtreectrl}


@@ -550,6 +629,21 @@ wxTreeItemId
 
 Default constructor.
 
 
 Default constructor.
 

+\pythonnote{The wxPython version of this constructor optionally
+accepts any Python object as a parameter.  This object is then
+associated with the tree item using the wxTreeItemData as a
+container.
+
+In addition, the following methods are added in wxPython for accessing
+the object:\par
+\indented{2cm}{\begin{twocollist}
+\twocolitem{\bf{GetData()}}{Returns a reference to the Python Object}
+\twocolitem{\bf{SetData(obj)}}{Associates a new Python Object with the
+wxTreeItemData}
+\end{twocollist}}
+}
+
+

 \membersection{wxTreeItemData::\destruct{wxTreeItemData}}
 
 \func{void}{\destruct{wxTreeItemData}}{\void}
 \membersection{wxTreeItemData::\destruct{wxTreeItemData}}
 
 \func{void}{\destruct{wxTreeItemData}}{\void}