dirctrl.tex

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

\section{\class{wxGenericDirCtrl}}\label{wxgenericdirctrl}

This control can  be used to place a directory listing (with optional files) on an arbitrary window.

The control contains a \helpref{wxTreeCtrl}{wxtreectrl} window representing the directory
hierarchy, and optionally, a \helpref{wxChoice}{wxchoice} window containing a list of filters.

\wxheading{Derived from}

\helpref{wxControl}{wxcontrol}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/dirctrl.h>

\wxheading{Window styles}

\twocolwidtha{7cm}
\begin{twocollist}
\twocolitem{\indexit{wxDIRCTRL\_DIR\_ONLY}}{Only show directories, and not files.}
\twocolitem{\indexit{wxDIRCTRL\_3D\_INTERNAL}}{Use 3D borders for internal controls.}
\twocolitem{\indexit{wxDIRCTRL\_SELECT\_FIRST}}{When setting the default path, select the first file in the directory.}
\twocolitem{\indexit{wxDIRCTRL\_SHOW\_FILTERS}}{Show the drop-down filter list.}
\twocolitem{\indexit{wxDIRCTRL\_EDIT\_LABELS}}{Allow the folder and file labels to be editable.}
\end{twocollist}

See also \helpref{Generic window styles}{windowstyles}.

\wxheading{Data structures}

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

\membersection{wxGenericDirCtrl::wxGenericDirCtrl}\label{wxgenericdirctrlwxgenericdirctrl}

\func{}{wxGenericDirCtrl}{\void}

Default constructor.

\func{}{wxGenericDirCtrl}{\param{wxWindow* }{parent}, \param{const wxWindowID }{id = -1},
 \param{const wxString\& }{dir = wxDirDialogDefaultFolderStr}, \param{const wxPoint\& }{pos = wxDefaultPosition},
 \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = wxDIRCTRL\_3D\_INTERNAL|wxSUNKEN\_BORDER},
 \param{const wxString\& }{filter = wxEmptyString},
 \param{int }{defaultFilter = 0},
 \param{const wxString\& }{name = wxTreeCtrlNameStr}}

Main constructor.

\wxheading{Parameters}

\docparam{parent}{Parent window.}

\docparam{id}{Window identifier.}

\docparam{dir}{Initial folder.}

\docparam{pos}{Position.}

\docparam{size}{Size.}

\docparam{style}{Window style. Please see \helpref{wxGenericDirCtrl}{wxgenericdirctrl} for a list of possible styles.}

\docparam{filter}{A filter string, using the same syntax as that for \helpref{wxFileDialog}{wxfiledialog}. This may be empty if filters
are not being used.

Example: ``All files (*.*)|*.*|JPEG files (*.jpg)|*.jpg"}

\docparam{defaultFilter}{The zero-indexed default filter setting.}

\docparam{name}{The window name.}

\membersection{wxGenericDirCtrl::\destruct{wxGenericDirCtrl}}\label{wxgenericdirctrldtor}

\func{}{\destruct{wxGenericDirCtrl}}{\void}

Destructor.

\membersection{wxGenericDirCtrl::Create}\label{wxgenericdirctrlcreate}

\func{bool}{Create}{\param{wxWindow* }{parent}, \param{const wxWindowID }{id = -1}, \param{const wxString\& }{dir = wxDirDialogDefaultFolderStr}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = wxDIRCTRL\_3D\_INTERNAL|wxSUNKEN\_BORDER}, \param{const wxString\& }{filter = wxEmptyString}, \param{int }{defaultFilter = 0}, \param{const wxString\& }{name = wxTreeCtrlNameStr}}

Create function for two-step construction. See \helpref{wxGenericDirCtrl::wxGenericDirCtrl}{wxgenericdirctrlwxgenericdirctrl} for details.

\membersection{wxGenericDirCtrl::Init}\label{wxgenericdirctrlinit}

\func{void}{Init}{\void}

Initializes variables.

\membersection{wxGenericDirCtrl::CollapseTree}\label{wxgenericdirctrlcollapsetree}

\func{void}{CollapseTree}{\void}

Collapses the entire tree.

\membersection{wxGenericDirCtrl::ExpandPath}\label{wxgenericdirctrlexpandpath}

\func{bool}{ExpandPath}{\param{const wxString\& }{path}}

Tries to expand as much of the given path as possible, so that the filename or directory is visible in the tree control.

\membersection{wxGenericDirCtrl::CollapsePath}\label{wxgenericdirctrlcollapsepath}

\func{bool}{CollapsePath}{\param{const wxString\& }{path}}

Collapse the given path.

\membersection{wxGenericDirCtrl::GetDefaultPath}\label{wxgenericdirctrlgetdefaultpath}

\constfunc{wxString}{GetDefaultPath}{\void}

Gets the default path.

\membersection{wxGenericDirCtrl::GetPath}\label{wxgenericdirctrlgetpath}

\constfunc{wxString}{GetPath}{\void}

Gets the currently-selected directory or filename.

\membersection{wxGenericDirCtrl::GetFilePath}\label{wxgenericdirctrlgetfilepath}

\constfunc{wxString}{GetFilePath}{\void}

Gets selected filename path only (else empty string).

This function doesn't count a directory as a selection.

\membersection{wxGenericDirCtrl::GetFilter}\label{wxgenericdirctrlgetfilter}

\constfunc{wxString}{GetFilter}{\void}

Returns the filter string.

\membersection{wxGenericDirCtrl::GetFilterIndex}\label{wxgenericdirctrlgetfilterindex}

\constfunc{int}{GetFilterIndex}{\void}

Returns the current filter index (zero-based).

\membersection{wxGenericDirCtrl::GetFilterListCtrl}\label{wxgenericdirctrlgetfilterlistctrl}

\constfunc{wxDirFilterListCtrl*}{GetFilterListCtrl}{\void}

Returns a pointer to the filter list control (if present).

\membersection{wxGenericDirCtrl::GetRootId}\label{wxgenericdirctrlgetrootid}

\func{wxTreeItemId}{GetRootId}{\void}

Returns the root id for the tree control.

\membersection{wxGenericDirCtrl::GetTreeCtrl}\label{wxgenericdirctrlgettreectrl}

\constfunc{wxTreeCtrl*}{GetTreeCtrl}{\void}

Returns a pointer to the tree control.

\membersection{wxGenericDirCtrl::ReCreateTree}\label{wxgenericdirctrlrecreatetree}

\func{void}{ReCreateTree}{\void}

Collapse and expand the tree, thus re-creating it from scratch.
May be used to update the displayed directory content.

\membersection{wxGenericDirCtrl::SetDefaultPath}\label{wxgenericdirctrlsetdefaultpath}

\func{void}{SetDefaultPath}{\param{const wxString\& }{path}}

Sets the default path.

\membersection{wxGenericDirCtrl::SetFilter}\label{wxgenericdirctrlsetfilter}

\func{void}{SetFilter}{\param{const wxString\& }{filter}}

Sets the filter string.

\membersection{wxGenericDirCtrl::SetFilterIndex}\label{wxgenericdirctrlsetfilterindex}

\func{void}{SetFilterIndex}{\param{int }{n}}

Sets the current filter index (zero-based).

\membersection{wxGenericDirCtrl::SetPath}\label{wxgenericdirctrlsetpath}

\func{void}{SetPath}{\param{const wxString\& }{path}}

Sets the current path.