X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c91108763b1621be54af24e24b2fab590db87325..be90c029fd255fba3eb7379aabef5780df210ad8:/docs/latex/wx/treectrl.tex diff --git a/docs/latex/wx/treectrl.tex b/docs/latex/wx/treectrl.tex index b12fc3658b..18b1155954 100644 --- a/docs/latex/wx/treectrl.tex +++ b/docs/latex/wx/treectrl.tex @@ -20,13 +20,47 @@ To intercept events from a tree control, use the event table macros described in \twocolwidtha{5cm} \begin{twocollist}\itemsep=0pt -\twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style to show + and - buttons to the -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\_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.} +\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\_NO\_BUTTONS}}{For convenience +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 +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. +Only applicable if wxTR\_HIDE\_ROOT is set and wxTR\_NO\_LINES is not set.} +\twocolitem{\windowstyle{wxTR\_HIDE\_ROOT}}{Use this style +to suppress the display of the root node, +effectively causing the first-level nodes +to appear as a series of root nodes. Generic only.} +\twocolitem{\windowstyle{wxTR\_ROW\_LINES}}{Use this style +to draw a contrasting border between displayed rows.} +\twocolitem{\windowstyle{wxTR\_HAS\_VARIABLE\_ROW\_HEIGHT}}{Use this style +to cause row heights to be just big enough to fit the content. +If not set, all rows use the largest row height. +The default is that this flag is unset. +Generic only.} +\twocolitem{\windowstyle{wxTR\_SINGLE}}{For convenience +to document that only one item may be selected at a time. +Selecting another item causes the current selection, if any, +to be deselected. This is the default.} +\twocolitem{\windowstyle{wxTR\_MULTIPLE}}{Use this style +to allow a range of items to be selected. +If a second range is selected, the current range, if any, is deselected.} +\twocolitem{\windowstyle{wxTR\_EXTENDED}}{Use this style +to allow disjoint items to be selected. (Only partially implemented; may not work in all cases.)} +\twocolitem{\windowstyle{wxTR\_DEFAULT\_STYLE}}{The set of flags that are +closest to the defaults for the native control for a particular toolkit.} \end{twocollist} See also \helpref{window styles overview}{windowstyles}. @@ -45,8 +79,11 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument. \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. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} +\twocolitem{{\bf EVT\_TREE\_ITEM\_ACTIVATED(id, func)}}{The item has been activated, i.e. chosen by double clicking it with mouse or from keyboard} +\twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSED(id, func)}}{The item has been collapsed.} +\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\_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.} @@ -57,6 +94,17 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument. \helpref{wxTreeItemData}{wxtreeitemdata}, \helpref{wxTreeCtrl overview}{wxtreectrloverview}, \helpref{wxListBox}{wxlistbox}, \helpref{wxListCtrl}{wxlistctrl},\rtfsp \helpref{wxImageList}{wximagelist}, \helpref{wxTreeEvent}{wxtreeevent} +\wxheading{Win32 notes} + +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 +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}. + \latexignore{\rtfignore{\wxheading{Members}}} \membersection{wxTreeCtrl::wxTreeCtrl}\label{wxtreectrlconstr} @@ -105,6 +153,9 @@ Destructor, destroying the list control. Adds the root node to the tree, returning the new item. +The {\it image} and {\it selImage} parameters are an index within +the normal image list specifying the image to use for unselected and +selected items, respectively. If {\it image} > -1 and {\it selImage} is -1, the same image is used for both selected and unselected items. @@ -115,9 +166,49 @@ both selected and unselected items. Appends an item to the end of the branch identified by {\it parent}, return a new item id. +The {\it image} and {\it selImage} parameters are an index within +the normal image list specifying the image to use for unselected and +selected items, respectively. If {\it image} > -1 and {\it selImage} is -1, the same image is used for both selected and unselected items. +\membersection{wxTreeCtrl::AssignButtonsImageList}\label{wxtreectrlassignbuttonsimagelist} + +\func{void}{AssignButtonsImageList}{\param{wxImageList*}{ imageList}} + +Sets the buttons image list. The button images assigned with this method will +be automatically deleted by wxTreeCtrl as appropriate +(i.e. it takes ownership of the list). + +Setting or assigning the button image list enables the display of image buttons. +Once enabled, the only way to disable the display of button images is to set +the button image list to NULL. + +This function is only available in the generic version. + +See also \helpref{SetButtonsImageList}{wxtreectrlsetbuttonsimagelist}. + +\membersection{wxTreeCtrl::AssignImageList}\label{wxtreectrlassignimagelist} + +\func{void}{AssignImageList}{\param{wxImageList*}{ imageList}} + +Sets the normal image list. Image list assigned with this method will +be automatically deleted by wxTreeCtrl as appropriate +(i.e. it takes ownership of the list). + +See also \helpref{SetImageList}{wxtreectrlsetimagelist}. + +\membersection{wxTreeCtrl::AssignStateImageList}\label{wxtreectrlassignstateimagelist} + +\func{void}{AssignStateImageList}{\param{wxImageList*}{ imageList}} + +Sets the state image list. Image list assigned with this method will +be automatically deleted by wxTreeCtrl as appropriate +(i.e. it takes ownership of the list). + +See also \helpref{SetStateImageList}{wxtreectrlsetstateimagelist}. + + \membersection{wxTreeCtrl::Collapse}\label{wxtreectrlcollapse} \func{void}{Collapse}{\param{const wxTreeItemId\&}{ item}} @@ -196,8 +287,8 @@ Expands the given item. \constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = FALSE}} 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. +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 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 @@ -207,6 +298,17 @@ item is currently invisible. {\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 + {\tt textOnly}, and returns a Wx::Rect ( or undef ).} + +\membersection{wxTreeCtrl::GetButtonsImageList}\label{wxtreectrlgetbuttonsimagelist} + +\constfunc{wxImageList*}{GetButtonsImageList}{\void} + +Returns the buttons image list (from which application-defined button images are taken). + +This function is only available in the generic version. + \membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount} \constfunc{size\_t}{GetChildrenCount}{\param{const wxTreeItemId\&}{ item}, \param{bool}{ recursively = TRUE}} @@ -247,6 +349,9 @@ Returns an invalid tree item if there are no further children. \pythonnote{In wxPython the returned wxTreeItemId and the new cookie value are both returned as a tuple containing the two values.} +\perlnote{In wxPerl this method only takes the {\tt item} parameter, and + returns a 2-element list ( item, cookie ).} + \membersection{wxTreeCtrl::GetFirstVisibleItem}\label{wxtreectrlgetfirstvisibleitem} \constfunc{wxTreeItemId}{GetFirstVisibleItem}{\void} @@ -275,19 +380,30 @@ Returns the tree item data associated with the item. \helpref{wxTreeItemData}{wxtreeitemdata} -\pythonnote{wxPython provides the following shortcut method:\par -\indented{2cm}{\begin{twocollist} +\pythonnote{wxPython provides the following shortcut method: + +\indented{2cm}{\begin{twocollist}\itemsep=0pt \twocolitem{{\bf GetPyData(item)}}{Returns the Python Object associated with the wxTreeItemData for the given item Id.} \end{twocollist}} } +\perlnote{wxPerl provides the following shortcut method: +\indented{2cm}{ +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf GetPlData( item )}}{Returns the Perl data +associated with the Wx::TreeItemData ( it is just the same as +tree->GetItemData( item )->GetData(); ).} +\end{twocollist}} +} + \membersection{wxTreeCtrl::GetItemImage}\label{wxtreectrlgetitemimage} \constfunc{int}{GetItemImage}{\param{const wxTreeItemId\& }{item}, -\param{wxTreeItemIcon }{which = wxTreeItemIcon\_Normal}} + \param{wxTreeItemIcon }{which = wxTreeItemIcon\_Normal}} Gets the specified item image. The value of {\it which} may be: + \begin{itemize}\itemsep=0pt \item{wxTreeItemIcon\_Normal} to get the normal item image \item{wxTreeItemIcon\_Selected} to get the selected item image (i.e. the image @@ -337,6 +453,9 @@ Returns an invalid tree item if there are no further children. \pythonnote{In wxPython the returned wxTreeItemId and the new cookie value are both returned as a tuple containing the two values.} +\perlnote{In wxPerl this method returns a 2-element list + ( item, cookie ), instead of modifying its parameters.} + \membersection{wxTreeCtrl::GetNextSibling}\label{wxtreectrlgetnextsibling} \constfunc{wxTreeItemId}{GetNextSibling}{\param{const wxTreeItemId\&}{ item}} @@ -393,7 +512,7 @@ Returns the root item for the tree control. \constfunc{int}{GetItemSelectedImage}{\param{const wxTreeItemId\& }{item}} Gets the selected item image (this function is obsolete, use -{\tt GetItemImage(item, wxTreeItemIcon\_Selected} instead). +{\tt GetItemImage(item, wxTreeItemIcon\_Selected}) instead). \membersection{wxTreeCtrl::GetSelection}\label{wxtreectrlgetselection} @@ -414,7 +533,10 @@ function can be called only if the control has the wxTR\_MULTIPLE style. Returns the number of selected items. \pythonnote{The wxPython version of this method accepts no parameters -and returns a Python list of {\tt wxTreeItemId}'s.} +and returns a Python list of {\tt wxTreeItemId}s.} + +\perlnote{In wxPerl this method takes no parameters and returns a list of + {\tt Wx::TreeItemId}s.} \membersection{wxTreeCtrl::GetStateImageList}\label{wxtreectrlgetstateimagelist} @@ -424,10 +546,10 @@ Returns the state image list (from which application-defined state images are ta \membersection{wxTreeCtrl::HitTest}\label{wxtreectrlhittest} -\func{long}{HitTest}{\param{const wxPoint\& }{point}, \param{int\& }{flags}} +\func{wxTreeItemId}{HitTest}{\param{const wxPoint\& }{point}, \param{int\& }{flags}} -Calculates which (if any) item is under the given point, returning extra information -in {\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: \twocolwidtha{5cm} \begin{twocollist}\itemsep=0pt @@ -444,16 +566,31 @@ in {\it flags}. {\it flags} is a bitlist of the following: \twocolitem{wxTREE\_HITTEST\_TORIGHT}{To the left of the client area.} \end{twocollist} +\pythonnote{in wxPython both the wxTreeItemId and the flags are +returned as a tuple.} + +\perlnote{In wxPerl this method only takes the {\tt point} parameter + and returns a 2-element list ( item, flags ).} + \membersection{wxTreeCtrl::InsertItem}\label{wxtreectrlinsertitem} \func{wxTreeItemId}{InsertItem}{\param{const wxTreeItemId\& }{parent}, \param{const wxTreeItemId\& }{previous}, \param{const wxString\&}{ text}, \param{int}{ image = -1}, \param{int}{ selImage = -1}, \param{wxTreeItemData*}{ data = NULL}} -Inserts an item after a given one. +\func{wxTreeItemId}{InsertItem}{\param{const wxTreeItemId\& }{parent}, \param{size\_t}{ before}, \param{const wxString\&}{ text}, + \param{int}{ image = -1}, \param{int}{ selImage = -1}, \param{wxTreeItemData*}{ data = NULL}} +Inserts an item after a given one ({\it previous}) or before one identified by its position ({\it before}). + +The {\it image} and {\it selImage} parameters are an index within +the normal image list specifying the image to use for unselected and +selected items, respectively. If {\it image} > -1 and {\it selImage} is -1, the same image is used for both selected and unselected items. +\pythonnote{The second form of this method is called +\tt{InsertItemBefore} in wxPython.} + \membersection{wxTreeCtrl::IsBold}\label{wxtreectrlisbold} \constfunc{bool}{IsBold}{\param{const wxTreeItemId\& }{item}} @@ -506,6 +643,9 @@ See also: \helpref{SortChildren}{wxtreectrlsortchildren} Appends an item as the first child of {\it parent}, return a new item id. +The {\it image} and {\it selImage} parameters are an index within +the normal image list specifying the image to use for unselected and +selected items, respectively. If {\it image} > -1 and {\it selImage} is -1, the same image is used for both selected and unselected items. @@ -521,6 +661,22 @@ Scrolls the specified item into view. Selects the given item. +\membersection{wxTreeCtrl::SetButtonsImageList}\label{wxtreectrlsetbuttonsimagelist} + +\func{void}{SetButtonsImageList}{\param{wxImageList*}{ imageList}} + +Sets the buttons image list (from which application-defined button images are taken). +The button images assigned with this method will +{\bf not} be deleted by wxTreeCtrl's destructor, you must delete it yourself. + +Setting or assigning the button image list enables the display of image buttons. +Once enabled, the only way to disable the display of button images is to set +the button image list to NULL. + +This function is only available in the generic version. + +See also \helpref{AssignButtonsImageList}{wxtreectrlassignbuttonsimagelist}. + \membersection{wxTreeCtrl::SetIndent}\label{wxtreectrlsetindent} \func{void}{SetIndent}{\param{int }{indent}} @@ -531,13 +687,17 @@ Sets the indentation for the tree control. \func{void}{SetImageList}{\param{wxImageList*}{ imageList}} -Sets the normal image list. +Sets the normal image list. Image list assigned with this method will +{\bf not} be deleted by wxTreeCtrl's destructor, you must delete it yourself. + +See also \helpref{AssignImageList}{wxtreectrlassignimagelist}. + \membersection{wxTreeCtrl::SetItemBackgroundColour}\label{wxtreectrlsetitembackgroundcolour} \func{void}{SetItemBackgroundColour}{\param{const wxTreeItemId\&}{ item}, \param{const wxColour\& }{col}} -Sets the colour of the items background. +Sets the colour of the item's background. \membersection{wxTreeCtrl::SetItemBold}\label{wxtreectrlsetitembold} @@ -555,17 +715,26 @@ See also: \helpref{IsBold}{wxtreectrlisbold} Sets the item client data. \pythonnote{wxPython provides the following shortcut method:\par -\indented{2cm}{\begin{twocollist} +\indented{2cm}{\begin{twocollist}\itemsep=0pt \twocolitem{{\bf SetPyData(item, obj)}}{Associate the given Python Object with the wxTreeItemData for the given item Id.} \end{twocollist}} } +\perlnote{wxPerl provides the following shortcut method: +\indented{2cm}{ +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf SetPlData( item, data )}}{Sets the Perl data +associated with the Wx::TreeItemData ( it is just the same as +tree->GetItemData( item )->SetData( data ); ).} +\end{twocollist}} +} + \membersection{wxTreeCtrl::SetItemFont}\label{wxtreectrlsetitemfont} \func{void}{SetItemFont}{\param{const wxTreeItemId\&}{ item}, \param{const wxFont\& }{font}} -Sets the items font. All items in the tree should have the same height to avoid +Sets the item's font. All items in the tree should have the same height to avoid text clipping, so the fonts height should be the same for all of them, although font attributes may vary. @@ -585,18 +754,16 @@ usage and loading time. \membersection{wxTreeCtrl::SetItemImage}\label{wxtreectrlsetitemimage} \func{void}{SetItemImage}{\param{const wxTreeItemId\&}{ item}, -\param{int }{image}, -\param{wxTreeItemIcon }{which = wxTreeItemIcon\_Normal}} + \param{int }{image}, \param{wxTreeItemIcon }{which = wxTreeItemIcon\_Normal}} Sets the specified item image. See \helpref{GetItemImage}{wxtreectrlgetitemimage} -for the description of {\it which} parameter. +for the description of the {\it which} parameter. \membersection{wxTreeCtrl::SetItemSelectedImage}\label{wxtreectrlsetitemselectedimage} \func{void}{SetItemSelectedImage}{\param{const wxTreeItemId\&}{ item}, \param{int }{selImage}} -Sets the selected item image (this function is obsolete, use -{\tt SetItemImage(item, wxTreeItemIcon\_Selected} instead). +Sets the selected item image (this function is obsolete, use {\tt SetItemImage(item, wxTreeItemIcon\_Selected}) instead). \membersection{wxTreeCtrl::SetItemText}\label{wxtreectrlsetitemtext} @@ -608,13 +775,23 @@ Sets the item label. \func{void}{SetItemTextColour}{\param{const wxTreeItemId\&}{ item}, \param{const wxColour\& }{col}} -Sets the colour of the items text. +Sets the colour of the item's text. \membersection{wxTreeCtrl::SetStateImageList}\label{wxtreectrlsetstateimagelist} \func{void}{SetStateImageList}{\param{wxImageList*}{ imageList}} Sets the state image list (from which application-defined state images are taken). +Image list assigned with this method will +{\bf not} be deleted by wxTreeCtrl's destructor, you must delete it yourself. + +See also \helpref{AssignStateImageList}{wxtreectrlassignstateimagelist}. + +\func{void}{SetWindowStyle}{\param{long}{styles}} + +Sets the mode flags associated with the display of the tree control. +The new mode takes effect immediately. +(Generic only; MSW ignores changes.) \membersection{wxTreeCtrl::SortChildren}\label{wxtreectrlsortchildren} @@ -622,7 +799,7 @@ Sets the state image list (from which application-defined state images are taken 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 +should override that method to change the sort order (the default is ascending alphabetical order). \wxheading{See also} @@ -649,70 +826,3 @@ 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 -main advantage of having this class (compared to the old untyped interface) is -that wxTreeItemData's are destroyed automatically by the tree and, as this -class has virtual dtor, it means that the memory will be automatically -freed. We don't just use wxObject instead of wxTreeItemData because -the size of this class is critical: in any real application, each tree leaf -will have wxTreeItemData associated with it and number of leaves may be -quite big. - -Because the objects of this class are deleted by the tree, they should -always be allocated on the heap. - -\wxheading{Derived from} - -wxTreeItemId - -\wxheading{Include files} - - - -\wxheading{See also} - -\helpref{wxTreeCtrl}{wxtreectrl} - -\latexignore{\rtfignore{\wxheading{Members}}} - -\membersection{wxTreeItemData::wxTreeItemData}\label{wxtreeitemdataconstr} - -\func{}{wxTreeItemData}{\void} - -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} - -Virtual destructor. - -\membersection{wxTreeItemData::GetId}\label{wxtreeitemdatagetid} - -\func{const wxTreeItem\&}{GetId}{\void} - -Returns the item associated with this node. - -\membersection{wxTreeItemData::SetId}\label{wxtreeitemdatasetid} - -\func{void}{SetId}{\param{const wxTreeItemId\&}{ id}} - -Sets the item associated with this node. -