Make wxWindow::SetSizeHints() do nothing.

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

diff --git a/docs/latex/wx/treectrl.tex b/docs/latex/wx/treectrl.tex
index 2a39b19c15f307dbecd9fadb13b7459dce0fd5fe..a7f028a967566e0b09dcce670d601a907a2206b2 100644 (file)
--- a/docs/latex/wx/treectrl.tex
+++ b/docs/latex/wx/treectrl.tex
@@ -1,3 +1,14 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Name:        treectrl.tex
+%% Purpose:     wxTreeCtrl documentation
+%% Author:      wxWidgets Team
+%% Modified by:
+%% Created:
+%% RCS-ID:      $Id$
+%% Copyright:   (c) wxWidgets Team
+%% License:     wxWindows license
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+

 \section{\class{wxTreeCtrl}}\label{wxtreectrl}
 
 A tree control presents information as a hierarchy, with items that may be expanded
 \section{\class{wxTreeCtrl}}\label{wxtreectrl}
 
 A tree control presents information as a hierarchy, with items that may be expanded


@@ -27,15 +38,11 @@ if you wish the user to be able to edit labels in the tree control.}
 to document that no buttons are to be drawn.}
 \twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style
 to show + and - buttons to the left of parent items.}
 to document that no buttons are to be drawn.}
 \twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style
 to show + and - buttons to the left of parent items.}

-\twocolitem{\windowstyle{wxTR\_TWIST\_BUTTONS}}{Use this style
-to show Mac-style twister buttons to the left of parent items.
-If both wxTR\_HAS\_BUTTONS and wxTR\_TWIST\_BUTTONS are given,
-twister buttons are generated.  Generic only.}

 \twocolitem{\windowstyle{wxTR\_NO\_LINES}}{Use this style
 to hide vertical level connectors.}
 \twocolitem{\windowstyle{wxTR\_FULL\_ROW\_HIGHLIGHT}}{Use this style to have the background
 colour and the selection highlight extend over the entire horizontal
 \twocolitem{\windowstyle{wxTR\_NO\_LINES}}{Use this style
 to hide vertical level connectors.}
 \twocolitem{\windowstyle{wxTR\_FULL\_ROW\_HIGHLIGHT}}{Use this style to have the background
 colour and the selection highlight extend over the entire horizontal

-row of the tree control window. (This flag is ignored under Windows unless you 
+row of the tree control window. (This flag is ignored under Windows unless you

 specify wxTR\_NO\_LINES as well.) }
 \twocolitem{\windowstyle{wxTR\_LINES\_AT\_ROOT}}{Use this style
 to show lines between root nodes.
 specify wxTR\_NO\_LINES as well.) }
 \twocolitem{\windowstyle{wxTR\_LINES\_AT\_ROOT}}{Use this style
 to show lines between root nodes.


@@ -75,6 +82,7 @@ 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\_END\_DRAG(id, func)}}{End dragging with the left or right mouse button.}

 \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\_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.}


@@ -85,11 +93,15 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument.
 \twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSING(id, func)}}{The item is being collapsed. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{The item has been expanded.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{The item is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSING(id, func)}}{The item is being collapsed. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{The item has been expanded.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{The item is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}

+\twocolitem{{\bf EVT\_TREE\_ITEM\_RIGHT\_CLICK(id, func)}}{The user has clicked the item with the right mouse button.}
+\twocolitem{{\bf EVT\_TREE\_ITEM\_MIDDLE\_CLICK(id, func)}}{The user has clicked the item with the middle mouse button.}

 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
 \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.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_GETTOOLTIP(id, func)}}{The opportunity to set the item tooltip
 is being given to the application (call wxTreeEvent::SetToolTip). Windows only.}
 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
 \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.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_GETTOOLTIP(id, func)}}{The opportunity to set the item tooltip
 is being given to the application (call wxTreeEvent::SetToolTip). Windows only.}

+\twocolitem{{\bf EVT\_TREE\_ITEM\_MENU(id, func)}}{The context menu for the selected item has been requested, either by a right click or by using the menu key.}
+\twocolitem{{\bf EVT\_TREE\_STATE\_IMAGE\_CLICK(id, func)}}{The state image has been clicked. Windows only.}

 \end{twocollist}
 
 \wxheading{See also}
 \end{twocollist}
 
 \wxheading{See also}


@@ -103,10 +115,9 @@ wxTreeCtrl class uses the standard common treeview control under Win32
 implemented in the system library {\tt comctl32.dll}. Some versions of this
 library are known to have bugs with handling the tree control colours: the
 usual symptom is that the expanded items leave black (or otherwise incorrectly
 implemented in the system library {\tt comctl32.dll}. Some versions of this
 library are known to have bugs with handling the tree control colours: the
 usual symptom is that the expanded items leave black (or otherwise incorrectly

-coloured) background behind them, especially for the controls using non
-default background colour. The recommended solution is to upgrade the {\tt comctl32.dll}
-to a newer version: see 
-\urlref{http://www.microsoft.com/msdownload/ieplatform/ie/comctrlx86.asp}{http://www.microsoft.com/msdownload/ieplatform/ie/comctrlx86.asp}.
+coloured) background behind them, especially for the controls using non-default background colour. The recommended solution is to upgrade the {\tt comctl32.dll}
+to a newer version: see
+\urlref{http://www.microsoft.com/downloads/release.asp?ReleaseID=11916}{http://www.microsoft.com/downloads/release.asp?ReleaseID=11916}.

 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 


@@ -257,7 +268,7 @@ This function may cause a subsequent call to GetNextChild to fail.
 
 \func{void}{DeleteAllItems}{\void}
 
 
 \func{void}{DeleteAllItems}{\void}
 

-Deletes all the items in the control. Note that this may not generate 
+Deletes all items in the control. Note that this may not generate

 {\tt EVT\_TREE\_DELETE\_ITEM} events under some Windows versions although
 normally such event is generated for each removed item.
 
 {\tt EVT\_TREE\_DELETE\_ITEM} events under some Windows versions although
 normally such event is generated for each removed item.
 


@@ -267,7 +278,7 @@ normally such event is generated for each removed item.
 \func{void}{DeleteChildren}{\param{const wxTreeItemId\& }{item}}
 
 Deletes all children of the given item (but not the item itself). Note that
 \func{void}{DeleteChildren}{\param{const wxTreeItemId\& }{item}}
 
 Deletes all children of the given item (but not the item itself). Note that

-this will {\bf not} generate any events unlike 
+this will {\bf not} generate any events unlike

 \helpref{Delete}{wxtreectrldelete} method.
 
 If you have called \helpref{wxTreeCtrl::SetItemHasChildren}{wxtreectrlsetitemhaschildren}, you
 \helpref{Delete}{wxtreectrldelete} method.
 
 If you have called \helpref{wxTreeCtrl::SetItemHasChildren}{wxtreectrlsetitemhaschildren}, you


@@ -320,6 +331,20 @@ Scrolls and/or expands items to ensure that the given item is visible.
 Expands the given item.
 
 
 Expands the given item.
 
 

+\membersection{wxTreeCtrl::ExpandAll}\label{wxtreectrlexpandall}
+
+\func{void}{Expand}{\void}
+
+Expands all items in the tree.
+
+
+\membersection{wxTreeCtrl::ExpandAllChildren}\label{wxtreectrlexpandallchildren}
+
+\func{void}{ExpandAllChildren}{\param{const wxTreeItemId\&}{ item}}
+
+Expands the given item and all its children recursively.
+
+

 \membersection{wxTreeCtrl::GetBoundingRect}\label{wxtreectrlgetitemrect}
 
 \constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = {\tt false}}}
 \membersection{wxTreeCtrl::GetBoundingRect}\label{wxtreectrlgetitemrect}
 
 \constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = {\tt false}}}


@@ -329,14 +354,18 @@ only the rectangle around the item's label will be returned, otherwise the
 item's image is also taken into account.
 
 The return value is {\tt true} if the rectangle was successfully retrieved or {\tt false}
 item's image is also taken into account.
 
 The return value is {\tt true} if the rectangle was successfully retrieved or {\tt false}

-if it was not (in this case {\it rect} is not changed) - for example, if the
+if it was not (in this case {\it rect} is not changed) -- for example, if the

 item is currently invisible.
 
 item is currently invisible.
 

+Notice that the rectangle coordinates are logical, not physical ones. So, for
+example, the x coordinate may be negative if the tree has a horizontal
+scrollbar and its position is not $0$.
+

 \pythonnote{The wxPython version of this method requires only the
 {\tt item} and {\tt textOnly} parameters.  The return value is either a
 {\tt wxRect} object or {\tt None}.}
 
 \pythonnote{The wxPython version of this method requires only the
 {\tt item} and {\tt textOnly} parameters.  The return value is either a
 {\tt wxRect} object or {\tt None}.}
 

-\perlnote{In wxPerl this method only takes the parameters {\tt item} and 
+\perlnote{In wxPerl this method only takes the parameters {\tt item} and

   {\tt textOnly}, and returns a Wx::Rect ( or undef ).}
 
 
   {\tt textOnly}, and returns a Wx::Rect ( or undef ).}
 
 


@@ -351,7 +380,7 @@ This function is only available in the generic version.
 
 \membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount}
 
 
 \membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount}
 

-\constfunc{size\_t}{GetChildrenCount}{\param{const wxTreeItemId\&}{ item}, \param{bool}{ recursively = {\tt true}}}
+\constfunc{unsigned int}{GetChildrenCount}{\param{const wxTreeItemId\&}{ item}, \param{bool}{ recursively = {\tt true}}}

 
 Returns the number of items in the branch. If {\it recursively} is {\tt true}, returns the total number
 of descendants, otherwise only one level of children is counted.
 
 Returns the number of items in the branch. If {\it recursively} is {\tt true}, returns the total number
 of descendants, otherwise only one level of children is counted.


@@ -359,7 +388,7 @@ of descendants, otherwise only one level of children is counted.
 
 \membersection{wxTreeCtrl::GetCount}\label{wxtreectrlgetcount}
 
 
 \membersection{wxTreeCtrl::GetCount}\label{wxtreectrlgetcount}
 

-\constfunc{int}{GetCount}{\void}
+\constfunc{unsigned int}{GetCount}{\void}

 
 Returns the number of items in the control.
 
 
 Returns the number of items in the control.
 


@@ -386,7 +415,7 @@ 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 variable.
 
 enumeration on one and the same object simultaneously). The cookie passed to
 GetFirstChild and GetNextChild should be the same variable.
 

-Returns an invalid tree item if there are no further children.
+Returns an invalid tree item (i.e. IsOk() returns {\tt false}) if there are no further children.

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


@@ -560,19 +589,6 @@ Returns the next visible item.
 Returns the item's parent.
 
 
 Returns the item's parent.
 
 

-\membersection{wxTreeCtrl::GetParent}\label{wxtreectrlgetparent}
-
-\constfunc{wxTreeItemId}{GetParent}{\param{const wxTreeItemId\&}{ item}}
-
-{\bf NOTE:} This function is deprecated and will only work if {\tt WXWIN\_COMPATIBILITY\_2\_2}
-is defined.  Use \helpref{wxTreeCtrl::GetItemParent}{wxtreectrlgetitemparent} instead.
-
-Returns the item's parent.
-
-\pythonnote{This method is named {\tt GetItemParent} to avoid a name
-clash with wxWindow::GetParent.}
-
-

 \membersection{wxTreeCtrl::GetPrevSibling}\label{wxtreectrlgetprevsibling}
 
 \constfunc{wxTreeItemId}{GetPrevSibling}{\param{const wxTreeItemId\&}{ item}}
 \membersection{wxTreeCtrl::GetPrevSibling}\label{wxtreectrlgetprevsibling}
 
 \constfunc{wxTreeItemId}{GetPrevSibling}{\param{const wxTreeItemId\&}{ item}}


@@ -593,6 +609,18 @@ Returns an invalid tree item if there are no further children.
 Returns the previous visible item.
 
 
 Returns the previous visible item.
 
 

+\membersection{wxTreeCtrl::GetQuickBestSize}\label{wxtreectrlgetquickbestsize}
+
+\constfunc{bool}{GetQuickBestSize}{\void}
+
+Returns true if the control will use a quick calculation for the best size,
+looking only at the first and last items. The default is false.
+
+\wxheading{See also}
+
+\helpref{wxTreeCtrl::SetQuickBestSize}{wxtreectrlsetquickbestsize}
+
+

 \membersection{wxTreeCtrl::GetRootItem}\label{wxtreectrlgetrootitem}
 
 \constfunc{wxTreeItemId}{GetRootItem}{\void}
 \membersection{wxTreeCtrl::GetRootItem}\label{wxtreectrlgetrootitem}
 
 \constfunc{wxTreeItemId}{GetRootItem}{\void}


@@ -620,7 +648,7 @@ this style.
 
 \membersection{wxTreeCtrl::GetSelections}\label{wxtreectrlgetselections}
 
 
 \membersection{wxTreeCtrl::GetSelections}\label{wxtreectrlgetselections}
 

-\constfunc{size\_t}{GetSelections}{\param{wxArrayTreeItemIds\& }{selection}}
+\constfunc{unsigned int}{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.
 
 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.


@@ -643,7 +671,7 @@ Returns the state image list (from which application-defined state images are ta
 
 \membersection{wxTreeCtrl::HitTest}\label{wxtreectrlhittest}
 
 
 \membersection{wxTreeCtrl::HitTest}\label{wxtreectrlhittest}
 

-\func{wxTreeItemId}{HitTest}{\param{const wxPoint\& }{point}, \param{int\& }{flags}}
+\constfunc{wxTreeItemId}{HitTest}{\param{const wxPoint\& }{point}, \param{int\& }{flags}}

 
 Calculates which (if any) item is under the given point, returning the tree item
 id at this point plus extra information {\it flags}. {\it flags} is a bitlist of the following:
 
 Calculates which (if any) item is under the given point, returning the tree item
 id at this point plus extra information {\it flags}. {\it flags} is a bitlist of the following:


@@ -737,7 +765,12 @@ 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.
 
 positive value if the first item is less than, equal to or greater than the
 second one.
 

-The base class version compares items alphabetically.
+Please note that you \textbf{must} use wxRTTI macros 
+\helpref{DECLARE\_DYNAMIC\_CLASS}{declaredynamicclass} and 
+\helpref{IMPLEMENT\_DYNAMIC\_CLASS}{implementdynamicclass} if you override this
+function because otherwise the base class considers that it is not overridden
+and uses the default comparison, i.e. sorts the items alphabetically, which
+allows it optimize away the calls to the virtual function completely.

 
 See also: \helpref{SortChildren}{wxtreectrlsortchildren}
 
 
 See also: \helpref{SortChildren}{wxtreectrlsortchildren}
 


@@ -765,7 +798,7 @@ Scrolls the specified item into view.
 
 \membersection{wxTreeCtrl::SelectItem}\label{wxtreectrlselectitem}
 
 
 \membersection{wxTreeCtrl::SelectItem}\label{wxtreectrlselectitem}
 

-\func{bool}{SelectItem}{\param{const wxTreeItemId\&}{ item}, \param{bool }{select = \true}}
+\func{void}{SelectItem}{\param{const wxTreeItemId\&}{ item}, \param{bool }{select = \true}}

 
 Selects the given item. In multiple selection controls, can be also used to
 deselect a currently selected item if the value of \arg{select} is false.
 
 Selects the given item. In multiple selection controls, can be also used to
 deselect a currently selected item if the value of \arg{select} is false.


@@ -845,6 +878,15 @@ tree->GetItemData(item)->SetData(data).}
 \end{twocollist}}
 }%
 
 \end{twocollist}}
 }%
 

+\membersection{wxTreeCtrl::SetItemDropHighlight}\label{wxtreectrlsetitemdrophighlight}
+
+\func{void}{SetItemDropHighlight}{\param{const wxTreeItemId\&}{ item}, \param{bool}{highlight = {\tt true}}}
+
+Gives the item the visual feedback for Drag'n'Drop actions, which is
+useful if something is dragged from the outside onto the tree control
+(as opposed to a DnD operation within the tree control, which already
+is implemented internally).
+

 \membersection{wxTreeCtrl::SetItemFont}\label{wxtreectrlsetitemfont}
 
 \func{void}{SetItemFont}{\param{const wxTreeItemId\&}{ item}, \param{const wxFont\& }{font}}
 \membersection{wxTreeCtrl::SetItemFont}\label{wxtreectrlsetitemfont}
 
 \func{void}{SetItemFont}{\param{const wxTreeItemId\&}{ item}, \param{const wxFont\& }{font}}


@@ -898,6 +940,19 @@ Sets the item label.
 Sets the colour of the item's text.
 
 
 Sets the colour of the item's text.
 
 

+\membersection{wxTreeCtrl::SetQuickBestSize}\label{wxtreectrlsetquickbestsize}
+
+\func{void}{SetQuickBestSize}{\param{bool}{ quickBestSize}}
+
+If true is passed, specifies that the control will use a quick calculation for the best size,
+looking only at the first and last items. Otherwise, it will look at all items.
+The default is false.
+
+\wxheading{See also}
+
+\helpref{wxTreeCtrl::GetQuickBestSize}{wxtreectrlgetquickbestsize}
+
+

 \membersection{wxTreeCtrl::SetStateImageList}\label{wxtreectrlsetstateimagelist}
 
 \func{void}{SetStateImageList}{\param{wxImageList*}{ imageList}}
 \membersection{wxTreeCtrl::SetStateImageList}\label{wxtreectrlsetstateimagelist}
 
 \func{void}{SetStateImageList}{\param{wxImageList*}{ imageList}}


@@ -968,4 +1023,3 @@ all items if it does have this style.
 
 Unselects the given item. This works in multiselection controls only.
 
 
 Unselects the given item. This works in multiselection controls only.
 

-