X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f201b1e2933d9e4b95d3d217ecb54fee5d0f6bda..8fa8d158bd6aadab98b40fc85a30425ada252ff4:/docs/latex/wx/listctrl.tex diff --git a/docs/latex/wx/listctrl.tex b/docs/latex/wx/listctrl.tex index 67aa6b07c3..1d8039bb5d 100644 --- a/docs/latex/wx/listctrl.tex +++ b/docs/latex/wx/listctrl.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: listctrl.tex +%% Purpose: wxListCtrl docs +%% Author: +%% Modified by: +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxWidgets +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxListCtrl}}\label{wxlistctrl} A list control presents lists in a number of formats: list view, report view, @@ -9,10 +20,10 @@ A special case of report view quite different from the other modes of the list control is a virtual control in which the items data (including text, images and attributes) is managed by the main program and is requested by the control itself only when needed which allows to have controls with millions of items -without consuming much memory. To use virtual list control you must use -\helpref{SetItemCount}{wxlistctrlsetitemcount} first and overload at least -\helpref{OnGetItemText}{wxlistctrlongetitemtext} (and optionally -\helpref{OnGetItemImage}{wxlistctrlongetitemimage} and +without consuming much memory. To use virtual list control you must use +\helpref{SetItemCount}{wxlistctrlsetitemcount} first and overload at least +\helpref{OnGetItemText}{wxlistctrlongetitemtext} (and optionally +\helpref{OnGetItemImage}{wxlistctrlongetitemimage} or \helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage} and \helpref{OnGetItemAttr}{wxlistctrlongetitemattr}) to return the information about the items when the control requests it. Virtual list control can be used as a normal one except that no operations which can take time proportional to @@ -96,8 +107,8 @@ functions that take a \helpref{wxListEvent}{wxlistevent} argument. \wxheading{See also} -\helpref{wxListCtrl overview}{wxlistctrloverview}, \helpref{wxListBox}{wxlistbox}, \helpref{wxTreeCtrl}{wxtreectrl},\rtfsp -\helpref{wxImageList}{wximagelist}, \helpref{wxListEvent}{wxlistevent}, +\helpref{wxListCtrl overview}{wxlistctrloverview}, \helpref{wxListView}{wxlistview}, \helpref{wxListBox}{wxlistbox},\rtfsp +\helpref{wxTreeCtrl}{wxtreectrl}, \helpref{wxImageList}{wximagelist}, \helpref{wxListEvent}{wxlistevent}, \helpref{wxListItem}{wxlistitem} \latexignore{\rtfignore{\wxheading{Members}}} @@ -111,7 +122,7 @@ Default constructor. \func{}{wxListCtrl}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp -\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listCtrl"}} +\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = wxListCtrlNameStr}} Constructor, creating and showing a list control. @@ -163,7 +174,7 @@ Arranges the items in icon or small icon view. This only has effect on Win32. {\ \func{void}{AssignImageList}{\param{wxImageList*}{ imageList}, \param{int }{which}} -Sets the image list associated with the control and +Sets the image list associated with the control and takes ownership of it (i.e. the control will, unlike when using SetImageList, delete the list when destroyed). {\it which} is one of wxIMAGE\_LIST\_NORMAL, wxIMAGE\_LIST\_SMALL, wxIMAGE\_LIST\_STATE (the last is unimplemented). @@ -184,7 +195,7 @@ Deletes all items and all columns. \func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp -\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listCtrl"}} +\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = wxListCtrlNameStr}} Creates the list control. See \helpref{wxListCtrl::wxListCtrl}{wxlistctrlctor} for further details. @@ -193,7 +204,7 @@ Creates the list control. See \helpref{wxListCtrl::wxListCtrl}{wxlistctrlctor} f \func{bool}{DeleteAllItems}{} -Deletes all the items in the list control. +Deletes all items in the list control. {\bf NB:} This function does {\it not} send the {\tt wxEVT\_COMMAND\_LIST\_DELETE\_ITEM} event because deleting many items @@ -251,7 +262,7 @@ the beginning if 'start' is -1. \func{long}{FindItem}{\param{long }{start}, \param{const wxPoint\& }{pt}, \param{int }{direction}} -Find an item nearest this position in the specified direction, starting from +Find an item nearest this position in the specified direction, starting from {\it start} or the beginning if {\it start} is -1. \pythonnote{In place of a single overloaded method name, wxPython @@ -377,6 +388,13 @@ Returns the number of items in the list control. Gets the application-defined data associated with this item. +\membersection{wxListCtrl::GetItemFont}\label{wxlistctrlgetitemfont} + +\constfunc{wxFont}{GetItemFont}{\param{long }{item}} + +Returns the item's font. + + \membersection{wxListCtrl::GetItemPosition}\label{wxlistctrlgetitemposition} \constfunc{bool}{GetItemPosition}{\param{long }{item}, \param{wxPoint\& }{pos}} @@ -394,7 +412,8 @@ returns a Wx::Point ( or undef ).} \constfunc{bool}{GetItemRect}{\param{long }{item}, \param{wxRect\& }{rect}, \param{int }{code = wxLIST\_RECT\_BOUNDS}} -Returns the rectangle representing the item's size and position, in client coordinates. +Returns the rectangle representing the item's size and position, in physical +coordinates. {\it code} is one of wxLIST\_RECT\_BOUNDS, wxLIST\_RECT\_ICON, wxLIST\_RECT\_LABEL. @@ -467,7 +486,7 @@ This function may be used to find all selected items in the control like this: break; // this item is selected - do whatever is needed with it - wxLogMessage("Item %ld is selected."), item); + wxLogMessage("Item %ld is selected.", item); } \end{verbatim} @@ -482,7 +501,7 @@ This function may be used to find all selected items in the control like this: \twocolitem{wxLIST\_NEXT\_RIGHT}{Searches for an item to the right of the specified item.} \end{twocollist} -{\bf NB:} this parameters is only supported by wxMSW currently and ignored on +{\bf NB:} this parameter is only supported by wxMSW currently and ignored on other platforms. {\it state} can be a bitlist of the following: @@ -579,8 +598,8 @@ implements the following methods:\par \indented{2cm}{\begin{twocollist} \twocolitem{{\bf InsertColumn(col, heading, format=wxLIST\_FORMAT\_LEFT, width=-1)}}{Creates a column using a header string only.} -\twocolitem{{\bf InsertColumnInfo(col, item)}}{Creates a column using a -wxListInfo.} +\twocolitem{{\bf InsertColumnItem(col, item)}}{Creates a column using a +wxListItem.} \end{twocollist}} } @@ -638,44 +657,67 @@ method:\par \membersection{wxListCtrl::OnGetItemAttr}\label{wxlistctrlongetitemattr} -\func{virtual wxListItemAttr *}{OnGetItemAttr}{\param{long }{item}} +\constfunc{virtual wxListItemAttr *}{OnGetItemAttr}{\param{long }{item}} -This function may be overloaded in the derived class for a control with +This function may be overloaded in the derived class for a control with {\tt wxLC\_VIRTUAL} style. It should return the attribute for the for the specified {\tt item} or {\tt NULL} to use the default appearance parameters. +wxListCtrl will not delete the pointer or keep a reference of it. You can +return the same wxListItemAttr pointer for every OnGetItemAttr call. + The base class version always returns {\tt NULL}. \wxheading{See also} \helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemText}{wxlistctrlongetitemtext} \membersection{wxListCtrl::OnGetItemImage}\label{wxlistctrlongetitemimage} -\func{virtual int}{OnGetItemImage}{\param{long }{item}} +\constfunc{virtual int}{OnGetItemImage}{\param{long }{item}} -This function must be overloaded in the derived class for a control with -{\tt wxLC\_VIRTUAL} style having an \helpref{image list}{wxlistctrlsetimagelist} +This function must be overloaded in the derived class for a control with +{\tt wxLC\_VIRTUAL} style having an \helpref{image list}{wxlistctrlsetimagelist} (if the control doesn't have an image list, it is not necessary to overload it). It should return the index of the items image in the controls image list or $-1$ for no image. +In a control with {\tt wxLC\_REPORT} style, OnGetItemImage only gets called for +the first column of each line. The base class version always returns $-1$. \wxheading{See also} \helpref{OnGetItemText}{wxlistctrlongetitemtext},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemAttr}{wxlistctrlongetitemattr} +\membersection{wxListCtrl::OnGetItemColumnImage}\label{wxlistctrlongetitemcolumnimage} + +\constfunc{virtual int}{OnGetItemColumnImage}{\param{long }{item}, \param{long }{column}} + +Overload this function in the derived class for a control with +{\tt wxLC\_VIRTUAL} and {\tt wxLC\_REPORT} styles in order to specify the image +index for the given line and column. + +The base class version always calls OnGetItemImage for the first column, else +it returns $-1$. + +\wxheading{See also} + +\helpref{OnGetItemText}{wxlistctrlongetitemtext},\\ +\helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemAttr}{wxlistctrlongetitemattr} \membersection{wxListCtrl::OnGetItemText}\label{wxlistctrlongetitemtext} \constfunc{virtual wxString}{OnGetItemText}{\param{long }{item}, \param{long }{column}} -This function {\bf must} be overloaded in the derived class for a control with +This function {\bf must} be overloaded in the derived class for a control with {\tt wxLC\_VIRTUAL} style. It should return the string containing the text of the given {\it column} for the specified {\tt item}. @@ -683,6 +725,7 @@ the given {\it column} for the specified {\tt item}. \helpref{SetItemCount}{wxlistctrlsetitemcount},\\ \helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemAttr}{wxlistctrlongetitemattr} @@ -716,8 +759,8 @@ virtual list controls. \func{bool}{ScrollList}{\param{int }{dx}, \param{int }{dy}} -Scrolls the list control. If in icon, small icon or report view mode, -{\it dx} specifies the number of pixels to scroll. If in list view mode, +Scrolls the list control. If in icon, small icon or report view mode, +{\it dx} specifies the number of pixels to scroll. If in list view mode, {\it dx} specifies the number of columns to scroll. {\it dy} always specifies the number of pixels to scroll vertically. @@ -842,7 +885,7 @@ string or image at a given location.} Sets the background colour for this item. This function only works in report view. -The colour can be retrieved using +The colour can be retrieved using \helpref{GetItemBackgroundColour}{wxlistctrlgetitembackgroundcolour}. @@ -865,12 +908,20 @@ from $0$ to {\it count}. Associates application-defined data with this item. +\membersection{wxListCtrl::SetItemFont}\label{wxlistctrlsetitemfont} + +\func{void}{SetItemFont}{\param{long }{item}, \param{const wxFont\& }{font}} + +Sets the item's font. + + \membersection{wxListCtrl::SetItemImage}\label{wxlistctrlsetitemimage} \func{bool}{SetItemImage}{\param{long }{item}, \param{int }{image}} Sets the image associated with the item. The image is an index into the -image list associated with the list control. +image list associated with the list control. In report view, this only sets +the image for the first column. \func{bool}{SetItemImage}{\param{long }{item}, \param{int }{image}, \param{int }{selImage}} @@ -879,6 +930,14 @@ image list associated with the list control. This form is deprecated: {\it selIm used. +\membersection{wxListCtrl::SetItemColumnImage}\label{wxlistctrlsetitemcolumnimage} + +\func{bool}{SetItemImage}{\param{long }{item}, \param{long }{column}\param{int }{image}} + +Sets the image associated with the item. In report view, you can specify the column. +The image is an index into the image list associated with the list control. + + \membersection{wxListCtrl::SetItemPosition}\label{wxlistctrlsetitemposition} \func{bool}{SetItemPosition}{\param{long }{item}, \param{const wxPoint\& }{pos}} @@ -908,7 +967,7 @@ Sets the item text for this item. Sets the colour for this item. This function only works in report view. -The colour can be retrieved using +The colour can be retrieved using \helpref{GetItemTextColour}{wxlistctrlgetitemtextcolour}. @@ -970,6 +1029,6 @@ SortItems with a reference to a callable object that expects two parameters.} \perlnote{In wxPerl the comparison function must take just two parameters; - however, you may use a closure to achieve an effect similar to the - SortItems third parameter.} +however, you may use a closure to achieve an effect similar to the +SortItems third parameter.}