X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bffa1c774644a26baf71d05cb51068ac2ffc6908..35d367d8dd6742bb24ed519622629b89a3e55aaf:/docs/latex/wx/listctrl.tex?ds=sidebyside diff --git a/docs/latex/wx/listctrl.tex b/docs/latex/wx/listctrl.tex index 4fac88641c..fbe8e5b396 100644 --- a/docs/latex/wx/listctrl.tex +++ b/docs/latex/wx/listctrl.tex @@ -1,9 +1,13 @@ \section{\class{wxListCtrl}}\label{wxlistctrl} -A list control presents lists in a number of formats: list view, report view, icon view -and small icon view. Elements are numbered from zero. +A list control presents lists in a number of formats: list view, report view, +icon view and small icon view. In any case, elements are numbered from zero. -To intercept events from a list control, use the event table macros described in \helpref{wxListEvent}{wxlistevent}. +Using many of wxListCtrl is shown in the +\helpref{corresponding sample}{samplelistctrl}. + +To intercept events from a list control, use the event table macros described +in \helpref{wxListEvent}{wxlistevent}. \wxheading{Derived from} @@ -35,6 +39,8 @@ the list wraps, unlike a wxListBox.} \twocolitem{\windowstyle{wxLC\_SINGLE\_SEL}}{Single selection.} \twocolitem{\windowstyle{wxLC\_SORT\_ASCENDING}}{Sort in ascending order (must still supply a comparison callback in SortItems.} \twocolitem{\windowstyle{wxLC\_SORT\_DESCENDING}}{Sort in descending order (must still supply a comparison callback in SortItems.} +\twocolitem{\windowstyle{wxLC\_HRULES}}{Draws light horizontal rules between rows in report mode.} +\twocolitem{\windowstyle{wxLC\_VRULES}}{Draws light vertical rules between columns in report mode.} \end{twocollist} See also \helpref{window styles overview}{windowstyles}. @@ -60,6 +66,7 @@ functions that take a \helpref{wxListEvent}{wxlistevent} argument. \twocolitem{{\bf EVT\_LIST\_KEY\_DOWN(id, func)}}{A key has been pressed.} \twocolitem{{\bf EVT\_LIST\_INSERT\_ITEM(id, func)}}{An item has been inserted.} \twocolitem{{\bf EVT\_LIST\_COL\_CLICK(id, func)}}{A column ({\bf m\_col}) has been left-clicked.} +\twocolitem{{\bf EVT\_LIST\_ITEM\_RIGHT\_CLICK(id, func)}}{An item has been right-clicked.} \end{twocollist}% \wxheading{See also} @@ -122,6 +129,19 @@ Arranges the items in icon or small icon view. This only has effect on Win32. {\ \twocolitem{wxLIST\_ALIGN\_SNAP\_TO\_GRID}{Snap to grid.} \end{twocollist} +\membersection{wxListCtrl::AssignImageList}\label{wxlistctrlassignimagelist} + +\func{void}{AssignImageList}{\param{wxImageList*}{ imageList}, \param{int }{which}} + +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). + +\wxheading{See also} + +\helpref{wxListCtrl::SetImageList}{wxlistctrlsetimagelist} + \membersection{wxListCtrl::Create}\label{wxlistctrlcreate} \func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp @@ -140,7 +160,7 @@ Deletes all items and all columns. \func{bool}{DeleteItem}{\param{long }{item}} -Deletes the specified item. This function sends the +Deletes the specified item. This function sends the {\tt wxEVT\_COMMAND\_LIST\_DELETE\_ITEM} event for the item being deleted. See also: \helpref{DeleteAllItems}{wxlistctrldeleteallitems} @@ -151,10 +171,9 @@ See also: \helpref{DeleteAllItems}{wxlistctrldeleteallitems} Deletes all the items in the list control. -{\bf NB:} This function does {\it not} send the +{\bf NB:} This function does {\it not} send the {\tt wxEVT\_COMMAND\_LIST\_DELETE\_ITEM} event because deleting many items -from the control would be too slow then (unlike - \helpref{DeleteItem}{wxlistctrldeleteitem}) +from the control would be too slow then (unlike \helpref{DeleteItem}{wxlistctrldeleteitem}). \membersection{wxListCtrl::DeleteColumn}\label{wxlistctrldeletecolumn} @@ -200,9 +219,9 @@ the item after {\it start} or the beginning if {\it start} is -1. \pythonnote{In place of a single overloaded method name, wxPython implements the following methods:\par \indented{2cm}{\begin{twocollist} -\twocolitem{\bf{FindItem(start, str, partial=FALSE)}}{} -\twocolitem{\bf{FindItemData(start, data)}}{} -\twocolitem{\bf{FindItemAtPos(start, point, direction)}}{} +\twocolitem{{\bf FindItem(start, str, partial=FALSE)}}{} +\twocolitem{{\bf FindItemData(start, data)}}{} +\twocolitem{{\bf FindItemAtPos(start, point, direction)}}{} \end{twocollist}} } @@ -254,9 +273,12 @@ Returns the specified image list. {\it which} may be one of: Gets information about the item. See \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem} for more information. +You must call {\it info.SetId()} to se ID of item you're interested in +before calling this method. + \pythonnote{The wxPython version of this method takes an integer parameter -for the item ID, and returns the wxListItem object. -} +for the item ID, an optional integer for the column number, and +returns the wxListItem object. } \membersection{wxListCtrl::GetItemData}\label{wxlistctrlgetitemdata} @@ -282,7 +304,7 @@ Returns the rectangle representing the item's size and position, in client coord {\it code} is one of wxLIST\_RECT\_BOUNDS, wxLIST\_RECT\_ICON, wxLIST\_RECT\_LABEL. \pythonnote{The wxPython version of this method accepts only the item -ID and returns the wxRect.} +ID and code and returns the wxRect.} \membersection{wxListCtrl::GetItemState}\label{wxlistctrlgetitemstate} @@ -316,10 +338,29 @@ Gets the item text for this item. \constfunc{long}{GetNextItem}{\param{long }{item}, \param{int }{geometry = wxLIST\_NEXT\_ALL}, \param{int }{state = wxLIST\_STATE\_DONTCARE}} -Searches for an item with the given goemetry or state, starting from {\it item}. {\it item} can be -1 -to find the first item that matches the specified flags. +Searches for an item with the given goemetry or state, starting from +{\it item} but excluding the {\it item} itself. If {\it item} is -1, +the first item that matches the specified flags will be returned. + +Returns the first item with given state following {\it item} or -1 if +no such item found. -Returns the item or -1 if unsuccessful. +This function may be used to find all selected items in the control like this: + +\begin{verbatim} + long item = -1; + for ( ;; ) + { + item = listctrl->GetNextItem(item, + wxLIST_NEXT_ALL, + wxLIST_STATE_SELECTED); + if ( item == -1 ) + break; + + // this item is selected - do whatever is needed with it + wxLogMessage("Item %ld is selected."), item); + } +\end{verbatim} {\it geometry} can be one of: @@ -332,6 +373,9 @@ Returns the item or -1 if unsuccessful. \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 +other platforms. + {\it state} can be a bitlist of the following: \twocolwidtha{5cm} @@ -385,7 +429,7 @@ wxLIST\_HITTEST\_ONITEMSTATEICON.} \end{twocollist} \pythonnote{A tuple of values is returned in the wxPython version of -thsi method. The first value is the item id and the second is the +this method. The first value is the item id and the second is the flags value mentioned above.} \membersection{wxListCtrl::InsertColumn}\label{wxlistctrlinsertcolumn} @@ -402,9 +446,9 @@ For list view mode (only), inserts a column. For more details, see \helpref{wxLi \pythonnote{In place of a single overloaded method name, wxPython implements the following methods:\par \indented{2cm}{\begin{twocollist} -\twocolitem{\bf{InsertColumn(col, heading, format=wxLIST_FORMAT_LEFT, +\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 +\twocolitem{{\bf InsertColumnInfo(col, item)}}{Creates a column using a wxListInfo.} \end{twocollist}} } @@ -440,11 +484,11 @@ Insert an image/string item. \pythonnote{In place of a single overloaded method name, wxPython implements the following methods:\par -\indented{2cm}{\begin{twocollist} -\twocolitem{\bf{InsertItem(item)}}{Inserts an item using a wxListItem.} -\twocolitem{\bf{InsertStringItem(index, label)}}{Inserts a string item.} -\twocolitem{\bf{InsertImageItem(index, imageIndex)}}{Inserts an image item.} -\twocolitem{\bf{InsertImageStringItem(index, label, imageIndex)}}{Insert an image/string item.} +\indented{2cm}{\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf InsertItem(item)}}{Inserts an item using a wxListItem.} +\twocolitem{{\bf InsertStringItem(index, label)}}{Inserts a string item.} +\twocolitem{{\bf InsertImageItem(index, imageIndex)}}{Inserts an image item.} +\twocolitem{{\bf InsertImageStringItem(index, label, imageIndex)}}{Insert an image/string item.} \end{twocollist}} } @@ -492,10 +536,20 @@ In small or normal icon view, {\it col} must be -1, and the column width is set Sets the image list associated with the control. {\it which} is one of wxIMAGE\_LIST\_NORMAL, wxIMAGE\_LIST\_SMALL, wxIMAGE\_LIST\_STATE (the last is unimplemented). +This method does not take ownership of the image list, you have to +delete it yourself. + +\wxheading{See also} + +\helpref{wxListCtrl::AssignImageList}{wxlistctrlassignimagelist} + + \membersection{wxListCtrl::SetItem}\label{wxlistctrlsetitem} \func{bool}{SetItem}{\param{wxListItem\& }{info}} +\func{long}{SetItem}{\param{long }{index}, \param{int }{col}, \param{const }{wxString\& label}, \param{int }{imageId = -1}} + Sets information about the item. wxListItem is a class with the following members: @@ -529,6 +583,12 @@ The {\bf m\_mask} member contains a bitlist specifying which of the other fields The {\bf m\_stateMask} and {\bf m\_state} members take flags from the following: +The wxListItem object can also contain item-specific colour and font +information: for this you need to call one of SetTextColour(), +SetBackgroundColour() or SetFont() functions on it passing it the colour/font +to use. If the colour/font is not specified, the default list control +colour/font is used. + \twocolwidtha{5cm} \begin{twocollist}\itemsep=0pt \twocolitem{wxLIST\_STATE\_DONTCARE}{Don't care what the state is. Win32 only. } @@ -545,13 +605,12 @@ Sets a string field at a particular column. \pythonnote{In place of a single overloaded method name, wxPython implements the following methods:\par \indented{2cm}{\begin{twocollist} -\twocolitem{\bf{SetItem(item)}}{Sets information about the given wxListItem.} -\twocolitem{\bf{SetStringItem(index, col, label, imageId)}}{Sets a +\twocolitem{{\bf SetItem(item)}}{Sets information about the given wxListItem.} +\twocolitem{{\bf SetStringItem(index, col, label, imageId)}}{Sets a string or image at a given location.} \end{twocollist}} } - \membersection{wxListCtrl::SetItemData}\label{wxlistctrlsetitemdata} \func{bool}{SetItemData}{\param{long }{item}, \param{long }{data}} @@ -605,21 +664,38 @@ Sets the whole window style. \membersection{wxListCtrl::SortItems}\label{wxlistctrlsortitems} -\func{bool}{SortItems}{\param{wxListCtrlCompare }{fn}, \param{long }{data}} +\func{bool}{SortItems}{\param{wxListCtrlCompare }{fnSortCallBack}, \param{long }{data}} + +Call this function to sort the items in the list control. Sorting is done +using the specified {\it fnSortCallBack} function. This function must have the +following prototype: -Sorts the items in the list control. +\begin{verbatim} +int wxCALLBACK wxListCompareFunction(long item1, long item2, long sortData) +\end{verbatim} + +It is called each time when the two items must be compared and should return 0 +if the items are equal, negative value if the first item is less than the +second one and positive value if the first one is greater than the second one +(the same convention as used by {\tt qsort(3)}). + +\wxheading{Parameters} -fn is a function which takes 3 long arguments: item1, item2, data. +\docparam{item1}{client data associated with the first item ({\bf NOT} the index).} -item1 is the long data associated with a first item (NOT the index). +\docparam{item2}{client data associated with the second item ({\bf NOT} the index).} -item2 is the long data associated with a second item (NOT the index). +\docparam{data}{the value passed to SortItems() itself.} -data is the same value as passed to SortItems. +Notice that the control may only be sorted on client data associated with the +items, so you {\bf must} use \helpref{SetItemData}{wxlistctrlsetitemdata} if +you want to be able to sort the items in the control. -The return value is a negative number if the first item should precede the second -item, a positive number of the second item should precede the first, -or zero if the two items are equivalent. +Please see the \helpref{listctrl sample}{samplelistctrl} for an example of +using this function. -data is arbitrary data to be passed to the sort function. +\pythonnote{wxPython uses the sortData parameter to pass the Python +function to call, so it is not available for programmer use. Call +SortItems with a reference to a callable object that expects two +parameters.}